CN220096018U

CN220096018U - Art supplies convenient to drawing paper rolling

Info

Publication number: CN220096018U
Application number: CN202321107974.0U
Authority: CN
Inventors: 李广栋
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-11-28
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses art supplies convenient for drawing paper winding, which belongs to the technical field of drawing tables and comprises a drawing table and a drawing supporting plate arranged at the top of the drawing table, wherein drawing paper limiting sleeves are symmetrically arranged on two sides of the top of the drawing supporting plate, air bags are arranged at the top inside the drawing paper limiting sleeves, a piston cylinder is arranged on one side wall of one drawing paper limiting sleeve along the length direction of the piston cylinder, and a limiting sleeve is arranged on one side wall of the piston cylinder. According to the utility model, the curved design of the pressing plate is matched with the use of the winding drum, so that the bending angle of the clamped side of the drawing paper is between 150 degrees and 180 degrees, obvious crease is avoided on the clamped side of the drawing paper, the integral integrity of the drawing paper is improved, the influence of bending on the tearing resistance of the clamped part of the drawing paper is reduced, the edge of the drawing paper can be firmly fixed, the edge of the drawing paper is protected from being damaged, the drawing paper can be recycled, the traditional edge sealing adhesive tape is replaced, and the use cost is saved.

Description

Art supplies convenient to drawing paper rolling

Technical Field

The utility model relates to the technical field of painting tables, in particular to an art supplies convenient for winding drawing paper.

Background

Painting table is as the instrument of an auxiliary nature that often needs to use at fine arts teaching's in-process, also constantly improve and innovate, painting table also is called drawing table, drawing bench etc. is a special work table that is applied to fields such as architectural design, engineering drawing, mechanical drawing, fine arts creation, is common in the design classroom of universities and design institute, design studio of design company etc. the table of prior art's painting table is general all adjustable inclination to make things convenient for the operator to use.

The utility model provides a 201920125319.5 discloses a painting table for fine arts, and the user can roll up the drawing paper through the device, has guaranteed the integrality of drawing paper and the work on the drawing paper can not damage. In the above-mentioned prior art, the device is when carrying out the rolling to the drawing paper, because the centre gripping direction of first pressure plate to the drawing paper edge is perpendicular with the radial of collection post, can cause its edge to appear unrecoverable crease when the drawing paper rolling, and increase the impaired probability of drawing paper crease department, and only can fix the both sides of drawing paper at the drawing in-process, make the other both sides of drawing paper need use banding sticky tape to paste just, the operation is comparatively troublesome, and banding sticky tape tears the in-process and also can make the drawing paper impaired.

Disclosure of Invention

The utility model aims to provide art supplies convenient for drawing paper winding, so as to solve the problem that the edge of the drawing paper is irrecoverable crease when the drawing paper is wound, and the crease of the drawing paper is easily damaged when being pulled by external force.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the utility model provides an art supplies convenient to drawing paper rolling, which comprises a drawing table and a drawing supporting plate arranged at the top of the drawing table, wherein drawing paper limiting sleeves are symmetrically arranged at two sides of the top of the drawing supporting plate, air bags are arranged at the top of the inside of the drawing paper limiting sleeves, a piston cylinder is arranged on one side wall of one drawing paper limiting sleeve along the length direction of the piston cylinder, a piston push rod is sleeved in the piston cylinder, a handle is arranged at one end of the piston push rod, racks and guide rods are respectively arranged at the bottoms of two sides of the handle, a power bidirectional transmission mechanism is arranged at one side of the top of the drawing supporting plate, drawing paper rolling parts are arranged in the power bidirectional transmission mechanism, a grid baffle is arranged at one side, close to the power bidirectional transmission mechanism, of the top of the drawing supporting plate, one end of each rack penetrates through the bottom of one side of the grid baffle and extends to the other side of the outer wall of the grid baffle, and one end of each guide rod is sleeved in the limiting sleeve.

The drawing paper winding piece comprises a winding drum assembled inside the power bidirectional transmission mechanism and a pressing plate hinged to the outer wall of the winding drum, spline grooves are formed in two sides of the winding drum, locking buckles are assembled at edges of two sides of the winding drum, and locking blocks are mounted on two sides of the pressing plate.

Further, the power bidirectional transmission mechanism comprises two first support plates arranged on one side of the top of the drawing support plate, a first shaft rod and a third shaft rod are respectively arranged on the top ends of one side wall of the first support plates in a rotating mode, a spline insert is arranged at one end, close to the winding drum, of the outer wall of the first shaft rod, transmission teeth are sleeved at the other end of the first shaft rod, a bidirectional ratchet assembly and transmission teeth are respectively sleeved at one end and the middle of the third shaft rod, a toothed ring sleeve is sleeved on the outer wall of the bidirectional ratchet assembly along the circumferential direction of the outer wall of the bidirectional ratchet assembly, a second support plate is arranged on one side, far away from the first support plate, of the top of the drawing support plate, a second shaft rod is connected with the top end of one side of the second support plate in a rotating mode, a spline insert is also arranged at one end, close to the outer wall of the second shaft rod, close to the winding drum, of the spline insert is sleeved at one end, far away from the spline insert, of the outer wall of the second shaft rod, and a tension spring is sleeved at one end of the second shaft rod.

Further, a holding disc is arranged on one side, far away from the spline insert block, of the outer wall of the second shaft rod, and the diameters of the two ends of the second shaft rod are respectively the same as the outer diameter and the inner diameter of the tension spring.

Further, the outer wall of the transmission gear is sleeved with a chain, and one end of the chain is sleeved on the outer wall of the other transmission gear.

Further, one side of the spline insert is inserted into the spline groove, and two ends of the tension spring are fixedly connected with one side of the holding disc and one side of the second support plate respectively.

Further, the grid baffle is positioned between the power bidirectional transmission mechanism and the piston push rod, and an inclination angle adjusting piece is arranged in the drawing table.

Further, the outer walls of the winding drum and the pressing plate are stuck with a rubber anti-slip layer, and a retaining ring is arranged at one end, close to the locking block, of the outer wall of the locking buckle.

Further, the top of locking piece has seted up the recess, one side of buckle cup joints in the inside of recess.

Compared with the prior art, the above technical scheme has the following beneficial effects:

according to the utility model, the bending angle of the clamped side of the drawing paper is between 150 and 180 degrees by matching the arc-shaped pressing plate with the use of the winding drum, so that obvious crease is prevented from occurring on the clamped side of the drawing paper, the integral integrity of the drawing paper is improved, the influence of bending on the tearing resistance of the clamped part of the drawing paper is reduced, and when the drawing paper is unfolded, the two length edges of the drawing paper are sleeved in the drawing paper limiting sleeve by matching the drawing paper limiting sleeve, the air bag and the piston cylinder with the piston push rod, and then the air bag is inflated and expanded in the drawing paper limiting sleeve, so that the two length edges of the drawing paper are clamped and fixed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a drawing pallet according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a power transmission mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the paper winding member according to the present utility model;

fig. 5 is an enlarged schematic view of the portion a in fig. 4.

In the figure:

1. a drawing table; 2. a tilt angle adjusting member; 3. a painting support plate; 4. a drawing paper limit sleeve; 5. an air bag; 6. a piston cylinder; 7. a power bidirectional transmission mechanism; 701. a first support plate; 702. a first shaft; 703. a second shaft; 704. a third shaft; 705. a spline insert; 706. a drive tooth; 707. a tension spring; 708. a second support plate; 709. a bi-directional ratchet assembly; 710. a toothed ring sleeve; 711. a chain; 8. drawing paper winding pieces; 81. a reel; 82. a pressing plate; 83. spline grooves; 84. a locking buckle; 85. a locking block; 9. a grid baffle; 10. a limit sleeve; 11. a piston push rod; 12. a handle; 13. a rack; 14. a guide rod.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings.

As shown in fig. 1 to 5, an art supplies convenient for drawing paper winding comprises a drawing table 1 and a drawing supporting plate 3 arranged at the top of the drawing table 1, wherein drawing paper limiting sleeves 4 are symmetrically arranged at two sides of the top of the drawing supporting plate 3, strip-shaped through grooves with proper height are reserved at the bottoms of the two opposite sides of the two drawing paper limiting sleeves 4, two long sides of drawing paper are conveniently arranged in the two drawing paper limiting sleeves 4, an air bag 5 is arranged at the top of the inside of the drawing paper limiting sleeve 4, an air inlet and an air outlet are respectively arranged at one end and the top of the air bag 5, a one-way air inlet valve and a one-way air outlet valve are respectively arranged in the air inlet and the air outlet, a piston cylinder 6 is arranged on one side wall of one drawing paper limiting sleeve 4 along the length direction of the air inlet and the one side wall of the piston cylinder 6 is provided with a limiting sleeve 10, a piston push rod 11 is sleeved in the piston cylinder 6, an air inlet hole and two air outlet holes are formed in one side, far away from the piston push rod 11, of the outer wall of the piston cylinder 6, one-way air outlet valve is arranged in the two air outlet holes, one-way air inlet valve is arranged in the air outlet holes, one air outlet hole is communicated with the air outlets on the two air bags 5 through three air outlets, a handle 12 is arranged at one end of the piston push rod 11, racks 13 and guide rods 14 are respectively arranged at the bottoms of the two sides of the handle 12, a power bidirectional transmission mechanism 7 is arranged at one side of the top of the drawing support plate 3, a drawing paper winding part 8 is arranged in the power bidirectional transmission mechanism 7, a grid baffle 9 is arranged at one side, close to the power bidirectional transmission mechanism 7, one end of the racks 13 penetrates through the bottom of one side of the grid baffle 9 and extends to the other side of the outer wall of the grid baffle, one end of the guide rod 14 is sleeved in the limiting sleeve 10, the reciprocating piston motion is carried out in the piston cylinder 6 through the reciprocating push-pull piston push rod 11, so that the air bag 5 is inflated, the air bag 5 can bulge and extrude and fix the long side of the drawing paper, the traditional edge sealing adhesive tape is replaced, the repeated use can be realized, the use cost of the edge sealing adhesive tape is saved, the edge of the drawing paper can be protected from being damaged, and two purposes are achieved.

The drawing paper rolling piece 8 comprises a winding drum 81 assembled inside the power bidirectional transmission mechanism 7 and a pressing plate 82 hinged to the outer wall of the winding drum 81, spline grooves 83 are formed in two sides of the winding drum 81, locking buckles 84 are assembled at edges of two sides of the winding drum 81, and locking blocks 85 are mounted on two sides of the pressing plate 82.

According to the embodiment shown in fig. 3, the power bidirectional transmission mechanism 7 comprises two first support plates 701 installed at one side of the top of the drawing support plate 3, the top ends of one side wall of the two first support plates 701 are respectively rotatably provided with a first shaft lever 702 and a third shaft lever 704, a spline insert 705 is installed at one end of the outer wall of the first shaft lever 702 close to the winding drum 81, a transmission tooth 706 is sleeved at the other end of the first shaft lever 702, a bidirectional ratchet assembly 709 and a transmission tooth 706 are respectively sleeved at one end and the middle of the third shaft lever 704, an adjusting block is symmetrically arranged at one side wall of the bidirectional ratchet assembly 709, a tooth ring sleeve 710 is sleeved on the outer wall of the bidirectional ratchet assembly 709 along the circumferential direction of the adjusting block, the bottom of the tooth surface of the tooth ring sleeve 710 is meshed with the tooth surface of the top of the rack 13, the user can control the winding drum 81 to rotate forward or reverse by a relative rotation direction of the two adjusting blocks in opposite directions when a piston push rod 11 which is convenient to reciprocate back and forth, a tension spring 703 is installed at one side of the top of the first support plate 701, a spline insert 703 is also installed at one side of the second support plate 703 close to the second shaft block 703, and the spline insert 703 is sleeved at one end of the spline insert 703 is close to the second support plate 703, and the spline insert 703 is also installed at one side of the end of the second support plate 703 is close to the spline insert 703.

According to the embodiment shown in fig. 3, a holding disc is installed on one side of the outer wall of the second shaft 703 away from the spline insert 705, and the diameters of the two ends of the second shaft 703 are respectively the same as the outer diameter and the inner diameter of the tension spring 707, so that a user pulls the holding disc to move the second shaft 703 toward the holding disc by the thickness of one spline insert 705, so that the distance between the two spline inserts 705 is greater than the sum of the length of the winding drum 81 and the thickness of one spline insert 705, thereby facilitating the user to detach or install the winding drum 81 and replacing drawing papers.

According to the embodiment shown in fig. 3, the outer wall of the driving gear 706 is sleeved with the chain 711, one end of the chain 711 is sleeved on the outer wall of the other driving gear 706, and the tooth slot on the inner wall of the chain 711 is meshed with the tooth surface of the driving gear 706, so that in the use process, torque is conveniently transmitted from the third shaft lever 704 to the first shaft lever 702, thereby driving the winding drum 81 to rotate, and the direction of the torque is regulated through the bidirectional ratchet wheel assembly 709, so that the winding drum 81 is controlled to rotate positively and negatively, and the purpose of winding or extending the drawing paper is achieved.

According to the embodiment shown in fig. 1 and 3, in the use process, one side of the spline insert 705 is inserted into the spline groove 83, through the cooperation between the spline insert 705 and the spline groove 83, the winding drum 81 can keep synchronous and same-direction rotation with the first shaft 702, so that paper drawing winding is facilitated, two ends of the tension spring 707 are fixedly connected with one side of the holding disc and one side of the second support plate 708 respectively, the degree of freedom of two ends of the tension spring 707 is conveniently restrained, two ends of the tension spring 707 are fixed, the tension spring is only capable of being linearly stretched on the outer wall of the second shaft 703 along the axial direction of the tension spring 703, the second shaft 703 is reset to the initial position under the pulling of the tension spring 703, the second shaft 707 is kept at the initial position without the external force, and after the second shaft is installed on the winding drum 81, the spline insert 705 is propped against the inside the spline groove 83, so that the separation of the tension spring 707 from the inside the spline groove 83 in the use process is avoided.

According to the embodiment shown in fig. 1 and 2, the check baffle 9 is arranged between the power bidirectional transmission mechanism 7 and the piston push rod 11, the piston push rod 11 is separated from the power bidirectional transmission mechanism 7 through the check baffle 9, the problem that mutual influence can occur when the two parts operate can be avoided, the piston push rod 11 can be limited in a certain movable range, the phenomenon that the piston push rod 11 stretches too hard in the using process is avoided, the piston push rod breaks away from the interior of the piston cylinder 6, the inclination angle adjusting part 2 is arranged in the painting table 1, the inclination angle adjusting part 2 consists of two lead screws, two bevel gears, a double-end toothed bar, two nut seats, an H-shaped supporting frame and a crank, two sides of the H-shaped supporting frame are respectively hinged with the bottom of the painting supporting plate 3 and the tops of the two nut seats, the crank is driven to synchronously rotate through the circumferential shaking, the lead screws are driven to rotate through the power transmission between the bevel gears and the double-end toothed bar, the lead screws drive the nut seats to linearly move along the axial direction of the lead screws, and the H-shaped supporting frame is pushed to erect, so that the effect of adjusting the inclination angle of the painting 3 is achieved, a user can find the most comfortable inclination angle suitable for himself, and the user can conveniently tilt the painting.

According to the embodiment shown in fig. 4 and 5, the outer walls of the winding drum 81 and the pressing plate 82 are adhered with the rubber anti-slip layer, the pressing plate 82 can be arranged in an arc shape, so that when the drawing paper is clamped, the bending angle of the edge of the drawing paper is 150-180 degrees, the edge of the drawing paper is prevented from being obviously creased as much as possible, the bending part of the drawing paper is easy to damage, a retaining ring is arranged at one end of the outer wall of the locking buckle 84, which is close to the locking block 85, and one side of the retaining ring is hinged with one end of the outer wall of the locking buckle 84, which is close to the locking block 85.

According to the embodiment shown in fig. 4 and 5, the top of the locking block 85 is provided with a groove, one side of the snap ring is sleeved in the groove, the user deflects the locking buckle 84 along the hinge of the locking buckle and the winding drum 81, the locking buckle 84 is wholly parallel to the hinge surface of the locking buckle and the winding drum 81, meanwhile, the free side of the snap ring is arranged in the groove, the pressing plate 82 can be tightly pressed on the surface of the winding drum 81, the broadside of the drawing paper can be clamped between the pressing plate 82 and the winding drum 81, the friction force on two sides of the drawing paper is increased through the rubber anti-slip layer, the problem that the broadside of the drawing paper is easy to separate from the broadside of the drawing paper when the broadside of the drawing paper is pulled is avoided, and the clamping firmness of the drawing paper is improved.

The foregoing is only illustrative of the preferred embodiments of the present utility model, and is not intended to be exhaustive or to be construed as limiting the utility model to the precise forms disclosed. It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides an art supplies convenient to drawing paper rolling, includes drawing table (1) and installs drawing layer board (3) at drawing table (1) top, its characterized in that, drawing layer board (3) both sides symmetry at top installs drawing paper stop collar (4), gasbag (5) are installed at the inside top of drawing paper stop collar (4), one of them a side wall of drawing paper stop collar (4) installs piston tube (6) along its length direction, spacing sleeve (10) are installed to one side wall of piston tube (6), piston push rod (11) are equipped with to the inside cover of piston tube (6), one end of piston push rod (11) is provided with handle (12), rack (13) and guide bar (14) are installed respectively to the bottom of handle (12) both sides, one side at drawing layer board (3) top is installed power bidirectional transmission mechanism (7), the inside of power bidirectional transmission mechanism (7) is equipped with drawing paper spare (8), one side wall that is close to the top of drawing layer board (3) is provided with spacing sleeve (10), one side wall that extends outside the guide bar (9) of rack (13) is equipped with to one side wall (14) outside the one end of the guide bar (14) of the guide bar (10);

the drawing paper rolling piece (8) comprises a winding drum (81) assembled inside the power bidirectional transmission mechanism (7) and a pressing plate (82) hinged to the outer wall of the winding drum (81), spline grooves (83) are formed in two sides of the winding drum (81), locking buckles (84) are assembled at edges of two sides of the winding drum (81), and locking blocks (85) are mounted on two sides of the pressing plate (82).

2. The art supplies of convenient drawing paper rolling of claim 1, wherein: the power bidirectional transmission mechanism (7) comprises two first support plates (701) which are arranged on one side of the top of the drawing support plate (3), a first shaft rod (702) and a third shaft rod (704) are respectively arranged on the top of one side wall of the first support plate (701) in a rotating mode, spline inserting blocks (705) are arranged on one ends, close to the winding drum (81), of the outer walls of the first shaft rod (702), transmission teeth (706) are sleeved on the other ends of the first shaft rod (702), bidirectional ratchet assemblies (709) and transmission teeth (706) are sleeved on one ends and the middle of the third shaft rod (704) respectively, tooth ring sleeves (710) are sleeved on the outer walls of the bidirectional ratchet assemblies (709) along the circumferential direction of the bidirectional ratchet assemblies, a second support plate (708) is arranged on one side, far away from the first support plate (701), of the top of the drawing support plate (3), a second shaft rod (703) is connected with one end, close to one end, of the winding drum (81), of the outer wall of the second shaft rod (703) is also provided with spline inserting blocks (705), and spline inserting blocks (705) are sleeved on one ends, far away from the spline inserting blocks (705).

3. The art supplies of the convenient drawing paper rolling of claim 2, wherein: the outer wall of the second shaft rod (703) is provided with a holding disc at one side far away from the spline insert block (705), and the diameters of the two ends of the second shaft rod (703) are respectively the same as the outer diameter and the inner diameter of the tension spring (707).

4. The art supplies of the convenient drawing paper rolling of claim 2, wherein: the outer wall of the transmission tooth (706) is sleeved with a chain (711), and one end of the chain (711) is sleeved on the outer wall of the other transmission tooth (706).

5. The art supplies of the convenient drawing paper rolling of claim 2, wherein: one side of the spline insert block (705) is inserted into the spline groove (83), and two ends of the tension spring (707) are fixedly connected with one side of the holding disc and one side of the second support plate (708) respectively.

6. The art supplies of convenient drawing paper rolling of claim 1, wherein: the grid baffle plate (9) is positioned between the power bidirectional transmission mechanism (7) and the piston push rod (11), and an inclination angle adjusting piece (2) is arranged in the painting table (1).

7. The art supplies of convenient drawing paper rolling of claim 1, wherein: the outer walls of the winding drum (81) and the pressing plate (82) are stuck with rubber anti-slip layers, and a retaining ring is arranged at one end, close to the locking block (85), of the outer wall of the locking buckle (84).

8. The art supplies of convenient drawing paper rolling of claim 7, wherein: the top of the locking block (85) is provided with a groove, and one side of the retaining ring is sleeved in the groove.