CN210792668U - Drawing board table - Google Patents
Drawing board table Download PDFInfo
- Publication number
- CN210792668U CN210792668U CN201920934555.1U CN201920934555U CN210792668U CN 210792668 U CN210792668 U CN 210792668U CN 201920934555 U CN201920934555 U CN 201920934555U CN 210792668 U CN210792668 U CN 210792668U
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- Prior art keywords
- drawing board
- hanging
- bolt
- platform
- spring
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Abstract
The utility model discloses a drawing board table, including the drawing board of rectangle and the table frame that supports the drawing board, the quad slit has been seted up along its long limit's length direction on the side at one of them minor face place of drawing board, it is square bolt to be equipped with the assorted cross section in the quad slit, the back of drawing board corresponds the position of quad slit has been seted up and has been run through to the first logical groove of quad slit, the side of bolt is equipped with the pass first logical groove just extends to slide pull rod outside the drawing board back, first string of intra-bench have one end with the sleeve that a tip of bolt matches, the cover is equipped with a ratchet on the sleeve, fixedly connected with tension spring and swing joint have and ratchet complex pawl on the link plate, the utility model discloses simple structure makes easily, and the inclination of drawing board can be adjusted wantonly at 90 within ranges.
Description
Technical Field
The utility model relates to an art equipment field, especially a drawing board table.
Background
The drawing board is an article for daily use of people, and a flat board used for padding drawing paper during drawing is often placed on an easel. The existing drawing board can only be placed on an easel in a fixed inclined mode or horizontally placed on the easel, a user cannot adjust the placing angle of the drawing board at will according to needs, a posture is kept for drawing for a long time, and damage to a human body can be caused. Although some drawing boards with adjustable angles appear on the market nowadays, the drawing boards still have the defects of more complex structure, shorter service life and limited adjustable angle range.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a drawing board table.
The utility model adopts the technical proposal that:
the utility model provides a drawing board table, includes the drawing board of rectangle and the table frame that supports the drawing board, its characterized in that: a square hole is formed in the side face where one short side of the drawing board is located along the length direction of the long side of the drawing board, a spring hole with the same opening direction is formed in the bottom face of the square hole, a pressure spring is arranged in the spring hole, the length of the pressure spring is larger than the depth of the spring hole, a matched bolt with a square cross section is arranged in the square hole, the length of the bolt is smaller than or equal to the depth of the square hole, the end face, located in the square hole, of the bolt is connected with one end of the pressure spring, the other end of the pressure spring is connected with the bottom face of the spring hole, a first through groove penetrating through the square hole is formed in the position, corresponding to the square hole, of the back face of the drawing board, a sliding pull rod penetrating through the first through groove and extending out of the back face of the drawing board is arranged on the side face of the bolt, and the bolt, a cylindrical bulge symmetrically arranged with the square hole is arranged on the side wall where the other short edge of the drawing board is located;
the table frame is provided with a first hanging platform corresponding to the bolt and a second hanging platform corresponding to the cylindrical protrusion, a sleeve with one end matched with one end of the bolt is arranged in the first hanging platform, a central shaft consistent with the motion direction of the bolt is arranged in the first hanging platform, the other end of the sleeve is matched with the central shaft and can rotate around the circumferential direction of the central shaft, a ratchet wheel is sleeved on the sleeve, a hanging plate is arranged on the inner wall of the first hanging platform corresponding to the ratchet wheel and provided with a pull rope hole penetrating through the inside and the outside of the first hanging platform corresponding to the ratchet wheel, a pull spring is fixedly connected on the hanging plate and is movably connected with a pawl matched with the ratchet wheel, one end of the pull spring is connected with the hanging plate, the other end of the pull spring is connected with the pawl, the pawl is connected with a pull rope, and one end of the pull rope is connected, the other end of the rope passes through the rope pulling hole and extends out of the first hanging table; the second hanging table is provided with a cylindrical hole which is in running fit with the cylindrical boss.
Among the above-mentioned technical scheme, the bolt can only slide the business turn over in the quad slit, and can not the free rotation in the quad slit again, and the bolt when the motion, produces the power of relative effect with pressure spring, and the pawl can be spacing to the ratchet, makes the drawing board angle fixed.
Preferably, the whole gear teeth of the ratchet wheel face to the back of the drawing board;
among the above-mentioned technical scheme, the spacing direction when the drawing board upset has been decided to the teeth of a cogwheel orientation.
Preferably, the tension spring is arranged between the ratchet wheel and the pawl;
among the above-mentioned technical scheme, tension spring locates and to make the ratchet effectively reset between.
Preferably, the bottom side wall of the drawing board is correspondingly provided with an inverted T-shaped hanging rod, and the hanging rod is provided with a baffle;
preferably, the number of the hanging rods is at least two, the two hanging rods are horizontally and correspondingly arranged, and the baffle is provided with an L-shaped sliding rail respectively matched with the two hanging rods;
among the above-mentioned technical scheme, the peg of "T" shape and the cooperation motion of "L" shape slide rail make the baffle can stretch out the drawing board bottom and fixed.
Preferably, the second string of platform corresponds and is equipped with first dog and second dog on the terminal surface of first string of platform, first dog is close to the top of second string of platform and restricts the drawing board and incline towards the front when vertical, the second dog is close to the bottom of second string of platform and restricts the drawing board and incline towards the back when horizontal, first string of platform corresponds the second string of platform and also is equipped with first dog and second dog.
Among the above-mentioned technical scheme, under the effect of first dog and second dog, drawing board rotation angle is steerable at 90 within ranges, avoids the drawing board upset excessively.
The utility model has the advantages that:
1) the utility model has simple structure and easy manufacture;
2) the drawing board is assembled with the desk frame in a separated mode, and the drawing board is convenient to store and replace.
3) By utilizing the matching of the ratchet wheel and the pawl, the pawl can automatically clamp the ratchet wheel, so that the drawing board with the adjusted angle cannot descend due to the self gravity, and the ratchet wheel can automatically stop no matter the inclination angle is increased or reduced, thereby facilitating drawing;
4) when the drawing board is turned over towards the back, the drawing board can be automatically positioned and fixed, and is very convenient;
5) the tension spring enables the pawl to automatically reset;
6) the baffle is used for placing a drawing tool;
7) the baffle can be directly pulled out and clamped as required, so that the device is convenient and quick;
8) the first stop block and the second stop block enable the turning angle of the drawing board to be controlled at 90 degrees, and the effective angle of drawing is controlled.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the drawing board in this embodiment;
FIG. 3 is a schematic partial rear view of a sketchpad;
FIG. 4 is a schematic structural diagram of the table frame of the present embodiment;
FIG. 5 is a partial schematic view of a first mounting station;
FIG. 6 is a schematic view of the ratchet and pawl contact;
FIG. 7 is a schematic structural view of a baffle;
description of reference numerals:
1-a drawing board; 2-a table frame; 3-square hole; 4-inserting a pin; 5-spring hole; 6-a pressure spring; 7-through grooves; 8-a slide pull rod; 9-cylindrical protrusion; 10-a first hanging table; 11-a second hanging table; 13-a central axis; 14-a sleeve; 15-ratchet wheel; 16-hanging the board; 17-a pawl; 18-stay cord hole; 19-a pull ring; 20-pulling a rope; 21-a tension spring; 22-cylindrical hole; 23-hanging the rod; 24-a baffle; 25-a slide rail; 26-a first stop; 27-second stop.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-7, a drawing board table includes a rectangular drawing board and a table frame for supporting the drawing board.
A square hole is arranged on the side surface of one of the short edges of the drawing board along the length direction of the long edge, spring holes with the same opening direction are arranged on the bottom surface of the square hole, a pressure spring is arranged in each spring hole, the length of the pressure spring is larger than the depth of the spring hole, a matched bolt with a square cross section is arranged in the square hole, the bolt can only slide in and out of the square hole, the bolt can not freely rotate in the square hole, the length of the bolt is less than or equal to the depth of the square hole, the end surface of the bolt positioned in the square hole is connected with one end of the pressure spring, the length of the pressure spring in the relaxation state plus the length of the bolt is greater than the length of the square hole, the other end of the pressure spring is connected with the bottom surface of the spring hole, and the bolt generates a force acting oppositely with the pressure spring when moving.
The back of drawing board corresponds the position of quad slit is seted up and is run through to the first logical groove of quad slit, the side of bolt is equipped with and passes first logical groove and extend to the slip pull rod outside the drawing board back makes the bolt is followed the depth direction reciprocating motion of quad slit.
The table frame is provided with a first hanging platform corresponding to the bolt and a second hanging platform corresponding to the cylindrical protrusion, a sleeve with one end matched with one end of the bolt is arranged in the first hanging platform, a central shaft consistent with the motion direction of the bolt is arranged in the first hanging platform, the other end of the sleeve is matched with the central shaft and can rotate around the circumferential direction of the central shaft, a ratchet wheel is sleeved on the sleeve, a hanging plate is arranged on the inner wall of the first hanging platform corresponding to the ratchet wheel and provided with a pull rope hole penetrating through the inside and the outside of the first hanging platform corresponding to the ratchet wheel, a pull spring is fixedly connected on the hanging plate and is movably connected with a pawl matched with the ratchet wheel, one end of the pull spring is connected with the hanging plate, the other end of the pull spring is connected with the pawl, the pawl is connected with a pull rope, and one end of the pull rope is connected, the other end of the rope passes through the rope pulling hole and extends out of the first hanging table; the second hanging table is provided with a cylindrical hole which is in running fit with the cylindrical boss.
The whole teeth of a cogwheel of ratchet is towards the back of drawing board, tension spring sets up between ratchet and pawl.
In the foregoing, the utility model discloses when the installation, the cylinder arch is installed in the cylinder hole, and the pulling slip pull rod hides whole bolt in square hole, when the bolt is in same axis with the sleeve, loosens the slip pull rod, and compression spring pops out the bolt to the sleeve in.
And then adjusting the angle of the drawing board, if the drawing board inclines to the back, pulling the pull ring, releasing the limit of the pawl to the ratchet wheel, loosening the pull ring, resetting the pawl, continuing to limit the ratchet wheel, fixing the angle of the drawing board, if the drawing board inclines to the front, swinging the drawing board to the front without pulling the pull ring, and automatically limiting the ratchet wheel by the pawl.
Example two:
as shown in fig. 2 and 7, the corresponding peg that is provided with "T" shape on the bottom lateral wall of drawing board, be equipped with the baffle on the peg, the peg has two at least, two the peg level corresponds the setting, be provided with on the baffle with two "L" shape slide rail that the peg matches respectively, the baffle is along slide rail roll-off and screens, surpasss the drawing board front border, can place the drawing apparatus.
Example three:
as shown in fig. 1 and 4, for preventing the drawing board excessively inclines, also for the load that alleviates the ratchet, be equipped with first dog and second dog on the terminal surface that the second was hung the platform and is corresponding first string of platform, first dog is close to the top that the second was hung the platform and limits the drawing board and incline towards the front when vertical, the second dog is close to the bottom that the second was hung the platform and inclines towards the back when limiting the drawing board level, first string of platform corresponds the second and is hung the platform and also is equipped with first dog and second dog, and when the drawing board was vertical, the drawing board was pressed close to first dog, and when the drawing board level, the drawing board back was pressed close to the second dog, and the restriction drawing board inclination is at 90 within ranges.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides a drawing board table, includes the drawing board of rectangle and the table frame that supports the drawing board, its characterized in that: a square hole is formed in the side face where one short side of the drawing board is located along the length direction of the long side of the drawing board, a spring hole with the same opening direction is formed in the bottom face of the square hole, a pressure spring is arranged in the spring hole, the length of the pressure spring is larger than the depth of the spring hole, a matched bolt with a square cross section is arranged in the square hole, the length of the bolt is smaller than or equal to the depth of the square hole, the end face, located in the square hole, of the bolt is connected with one end of the pressure spring, the other end of the pressure spring is connected with the bottom face of the spring hole, a first through groove penetrating through the square hole is formed in the position, corresponding to the square hole, of the back face of the drawing board, a sliding pull rod penetrating through the first through groove and extending out of the back face of the drawing board is arranged on the side face of the bolt, and the bolt, a cylindrical bulge symmetrically arranged with the square hole is arranged on the side wall where the other short edge of the drawing board is located;
the table frame is provided with a first hanging platform corresponding to the bolt and a second hanging platform corresponding to the cylindrical protrusion, a sleeve with one end matched with one end of the bolt is arranged in the first hanging platform, a central shaft consistent with the motion direction of the bolt is arranged in the first hanging platform, the other end of the sleeve is matched with the central shaft and can rotate around the circumferential direction of the central shaft, a ratchet wheel is sleeved on the sleeve, a hanging plate is arranged on the inner wall of the first hanging platform corresponding to the ratchet wheel and provided with a pull rope hole penetrating through the inside and the outside of the first hanging platform corresponding to the ratchet wheel, a pull spring is fixedly connected on the hanging plate and is movably connected with a pawl matched with the ratchet wheel, one end of the pull spring is connected with the hanging plate, the other end of the pull spring is connected with the pawl, the pawl is connected with a pull rope, and one end of the pull rope is connected, the other end of the rope passes through the rope pulling hole and extends out of the first hanging table; the second hanging table is provided with a cylindrical hole which is in running fit with the cylindrical boss.
2. A drawing board table according to claim 1, wherein: the whole teeth of a cogwheel of ratchet is towards the back of drawing board.
3. A drawing board table according to claim 2, wherein: the tension spring is arranged between the ratchet wheel and the pawl.
4. A drawing board table according to claim 1, wherein: the bottom side wall of the drawing board is correspondingly provided with an inverted T-shaped hanging rod, and the hanging rod is provided with a baffle.
5. A drawing board table according to claim 4, wherein: the hanging rods are at least two, the two hanging rods are horizontally arranged correspondingly, and the baffle is provided with L-shaped sliding rails respectively matched with the two hanging rods.
6. A drawing board table according to claim 1, wherein: the second is hung and is equipped with first dog and second dog on the terminal surface that the platform corresponds first string of platform, first dog is close to the top that the second hung the platform and restricts the drawing board and just inclines towards the front when vertical, the second dog is close to the bottom that the second hung the platform and restricts the drawing board level and inclines towards the back, first string of platform corresponds the second and hangs the platform and also is equipped with first dog and second dog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934555.1U CN210792668U (en) | 2019-06-20 | 2019-06-20 | Drawing board table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934555.1U CN210792668U (en) | 2019-06-20 | 2019-06-20 | Drawing board table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792668U true CN210792668U (en) | 2020-06-19 |
Family
ID=71243350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920934555.1U Expired - Fee Related CN210792668U (en) | 2019-06-20 | 2019-06-20 | Drawing board table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693375A (en) * | 2021-09-04 | 2021-11-26 | 九江职业技术学院 | Multifunctional drawing device for environmental art design |
-
2019
- 2019-06-20 CN CN201920934555.1U patent/CN210792668U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693375A (en) * | 2021-09-04 | 2021-11-26 | 九江职业技术学院 | Multifunctional drawing device for environmental art design |
| CN113693375B (en) * | 2021-09-04 | 2022-09-02 | 九江职业技术学院 | Multifunctional drawing device for environmental art design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |