Hand-painted screen supporting frame convenient to adjust

Abstract

The utility model relates to the technical field of supporting frames, in particular to a hand-painted screen supporting frame convenient to adjust, which comprises a placing supporting column, fixed sleeve plates are fixedly mounted on two sides of the placing supporting column, movable plates are slidably mounted in the fixed sleeve plates, a fixed frame is fixedly mounted at the top ends of the movable plates, and a rotating shaft is rotatably mounted on one side of the fixed frame. The outer surface of the rotating shaft is sleeved with a placing plate; the lifting assembly is arranged in the two fixed sleeve plates, and the lifting assembly is used for carrying out lifting adjustment on the movable plate; and the angle adjusting assembly is arranged on one side of the fixing frame, and the angle adjusting assembly is used for adjusting the hand drawing angle of the placing plate. Compared with the prior art, the angle adjusting assembly is arranged, the whole assembly evenly distributes adjusting force through mechanical transmission of the driving plate and the connecting plate, and resistance and abrasion in the adjusting process are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to support frame technical field especially, it relates to a hand drawn screen support frame convenient to adjust. BACKGROUND

[0002] Hand drawn screen is also called digital screen and writing screen, it is a kind of computer input display device, and hand drawn screen product is widely used in education industry and expands to animation design, family entertainment, business terminal and multiple fields, in order to conveniently better adjust hand drawn screen, the special support frame is needed to assist the use of hand drawn screen.

[0003] In the prior art, the utility model discloses a hand drawn screen support frame convenient to adjust in the Chinese patent document with the publication number CN220453165U, which is provided with an auxiliary assembly on the placing frame, which can assist in limiting the connection line of the hand drawn screen peripheral component, reduce the loose or poor contact of the connection line when using the hand drawn screen peripheral component, facilitate the user to use the hand drawn screen, and the adjusting assembly two provided on the adjusting assembly one can adjust the height of the hand drawn screen support frame according to the use of the user, and the user is convenient to use, but the angle adjustment of the traditional support frame usually relies on simple mechanical hinges or fixed gears, lacks continuous adjustability, is easy to be stuck or exceeds the preset angle range in the adjustment process, causes the adjustment to be not flexible or not accurate, and the fixing part of the support is usually fixed size or non-adjustable structure, cannot adapt to different size equipment, causes the use range to be single, lacks universality. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a hand drawn screen support frame convenient to adjust to solve the problem that the angle adjustment of the traditional support frame usually relies on simple mechanical hinges or fixed gears, lacks continuous adjustability.

[0005] In order to achieve the above purpose, the utility model provides a hand drawn screen support frame convenient to adjust, which comprises: a placing support column, both sides of the placing support column are fixedly installed with fixed sleeve plates, the interiors of the fixed sleeve plates are slidably installed with movable plates, the top ends of the movable plates are fixedly installed with fixed frames, one side of the fixed frame is rotatably installed with a rotating shaft, and the outer surface of the rotating shaft is sleeved with a placing plate.

[0006] A lifting assembly is arranged in the interiors of the two fixed sleeve plates, and the lifting assembly is used for lifting and adjusting the movable plate.

[0007] An angle adjusting assembly is arranged on one side of the fixed frame, and the angle adjusting assembly is used for adjusting the drawing angle of the placing plate.

[0008] Preferably, the lifting assembly includes a rack fixedly installed inside the two movable plates, a first rotating rod is rotatably installed between the two fixed sleeve plates, first meshing gears meshing with the rack are fixedly sleeved on both sides of the first rotating rod, a second meshing gear is further fixedly connected to one end of the first rotating rod, an adjusting rod is rotatably installed on one side of one of the fixed sleeve plates, a third meshing gear meshing with the second meshing gear is fixedly sleeved on one side of the adjusting rod, a limit gear is further fixedly connected to one side of the third meshing gear, the limit gear rotates coaxially with the third meshing gear, a ratchet is rotatably installed on one side of the fixed sleeve plate and matches the limit gear, and an adjusting rod is arranged on one side of the ratchet.

[0009] Preferably, the angle adjusting assembly includes a third rotating rod rotatably installed on one side of the fixed frame, a second rotating rod rotatably installed on one side of the bottom of the placing plate, a connecting plate movably sleeved on the middle portion of the second rotating rod, a driving plate rotatably installed on the other end of the connecting plate, and the other end of the driving plate is fixedly sleeved on the middle outer surface of the third rotating rod.

[0010] Preferably, a sliding groove is formed in one side of the fixed frame, a driving rod is slidably installed in the sliding groove, a spiral driving groove is formed in one side of the third rotating rod, one end of the driving rod is slidably installed in the driving groove, and a pushing block is arranged at the other end of the driving rod.

[0011] Preferably, the pushing block and the driving rod are threadedly installed.

[0012] Preferably, a group of fixed clamping blocks are fixedly installed on one side of the top surface of the placing plate, a group of movable clamping blocks are movably installed on the other side of the top surface of the placing plate, the fixed clamping blocks and the movable clamping blocks are oppositely arranged, magnetic columns are arranged at the corners of the movable clamping blocks, magnetic strips are arranged on both sides of the bottom of the placing plate, and the magnetic columns and the magnetic strips are arranged as strong magnetic materials that are attracted to each other.

[0013] Preferably, a pointer is fixedly sleeved on one end of the rotating shaft, an angle pointing block is fixedly installed on one side of the fixed frame, the angle pointing block is arranged in an arc shape, and one end of the pointer is slidably installed in the inside of the angle pointing block.

[0014] The utility model discloses the beneficial effects of:

[0015] 1. The hand-drawing screen support frame convenient to adjust, through the angle adjusting assembly, linear motion is converted into rotary motion through threaded connection and screw driving grooves, the angle adjusting process is smooth, the operation freedom is provided by the cooperation of the push block and the driving rod sliding groove, the multi-angle flexible adjustment of the placing plate is ensured by the connecting plate and the second rotating rod, various use requirements are adapted, the adjusting force is uniformly distributed through the mechanical transmission of the driving plate and the connecting plate, the resistance and wear in the adjusting process are effectively reduced, finally, the angle is fixed through the locking function of the push block, the reliability and stability after adjustment are provided.

[0016] 2. The hand-drawing screen support frame convenient to adjust, through the magnetic column and the magnetic strip, the fixing performance of the equipment is enhanced through strong magnetic adsorption, the problems of equipment sliding or loosening are avoided. The cooperation design of the fixed clamping block and the movable clamping block adapts to the installation requirements of equipment of different sizes, the magnetic adsorption mode reduces the complexity of installation and disassembly, avoids the wear of the surface of the equipment, and ensures that the placing surface is still flat, and the phenomenon of concave-convex does not appear. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0019] Figure 2 It is a lifting assembly structure schematic diagram of the present application;

[0020] Figure 3 It is a placing plate structure schematic diagram of the present application;

[0021] Figure 4 It is an angle adjusting assembly structure schematic diagram of the present application;

[0022] Figure 5 It is a Figure 4 enlarged structure schematic diagram of A in the present application;

[0023] Figure 6 It is a driving groove and driving rod structure schematic diagram of the present application.

[0024] In the figure, the marks are:

[0025] 1, the placement of the column; 2, fixed sleeve plate; 3, movable plate; 4, rack; 5, the first rotating rod; 6, the first meshing gear; 7, the second meshing gear; 8, adjusting rod; 9, the third meshing gear; 10, limit gear; 11, ratchet; 12, fixed frame; 13, rotating shaft; 14, placement plate; 15, the second rotating rod; 16, the third rotating rod; 17, connecting plate; 18, drive plate; 19, drive slot; 20, drive rod; 21, sliding slot; 22, push block; 23, angle pointing block; 24, pointer; 25, fixed clamping block; 26, movable clamping block; 27, magnetic column; 28, magnetic strip. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with specific examples.

[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] As Figures 1 to 6As shown, the adjustable hand-drawing screen support frame comprises a placing support column 1, both sides of the placing support column 1 are fixedly provided with fixed sleeve plates 2, the interiors of the fixed sleeve plates 2 are slidably provided with movable plates 3, the top ends of the movable plates 3 are fixedly provided with fixed frames 12, one side of the fixed frame 12 is rotatably provided with a rotating shaft 13, the outer surface of the rotating shaft 13 is sleeved with a placing plate 14; a lifting assembly, the lifting assembly is arranged in the interiors of the two fixed sleeve plates 2, and is used for lifting and adjusting the movable plates 3; an angle adjusting assembly, the angle adjusting assembly is arranged on one side of the fixed frame 12, and is used for adjusting the drawing angle of the placing plate 14, wherein the lifting assembly comprises a rack 4 fixedly arranged in the interiors of the two movable plates 3, a first rotating rod 5 rotatably arranged between the two fixed sleeve plates 2, first meshing gears 6 fixedly sleeved on both sides of the first rotating rod 5 and meshing with the rack 4, and a second meshing gear 7 fixedly connected to one end of the first rotating rod 5, one side of one of the fixed sleeve plates 2 is rotatably provided with an adjusting rod 8, one side of the adjusting rod 8 is fixedly sleeved with a third meshing gear 9 meshing with the second meshing gear 7, one side of the third meshing gear 9 is further fixedly connected with a limiting gear 10, the limiting gear 10 rotates coaxially with the third meshing gear 9, and one side of the fixed sleeve plate 2 is further rotatably provided with a ratchet 11 matched with the limiting gear 10, and one side of the ratchet 11 is provided with an adjusting rod;

[0029] The operator rotates the adjusting rod 8, the third meshing gear 9 on the adjusting rod 8 drives the second meshing gear 7 to rotate, the second meshing gear 7 further drives the first rotating rod 5 to rotate, the first meshing gear 6 on the first rotating rod 5 meshes with the rack 4 in the movable plate 3, so that the movable plate 3 slides in the interior of the fixed sleeve plate 2 along the vertical direction, and lifting and adjusting is realized, in the adjusting process, the limiting gear 10 provides the anti-reverse function through cooperation of the ratchet 11 and the adjusting rod, so as to ensure that the movable plate 3 is fixed and does not slide at the target height, and when the angle needs to be adjusted, the angle adjusting assembly is rotated according to the need, the one side rotating shaft 13 of the fixed frame 12 is rotated, the outer surface of the rotating shaft 13 is sleeved with the placing plate 14, the angle of the placing plate 14 changes with the rotation of the rotating shaft 13, and the drawing screen angle required by the user is adjusted.

[0030] As Figures 3 to 6As shown, the angle adjusting assembly comprises a third rotating rod 16 rotatably mounted on one side of the fixed frame 12, a second rotating rod 15 rotatably mounted on one side of the bottom of the placing plate 14, a connecting plate 17 movably sleeved on the middle part of the second rotating rod 15, a driving plate 18 rotatably mounted on the other end of the connecting plate 17, the other end of the driving plate 18 is fixedly sleeved on the outer surface of the middle part of the third rotating rod 16, a sliding groove 21 is formed on one side of the fixed frame 12, a driving rod 20 is slidably mounted in the sliding groove 21, a spiral driving groove 19 is formed on one side of the third rotating rod 16, one end of the driving rod 20 is slidably mounted in the driving groove 19, and the other end of the driving rod 20 is provided with a pushing block 22, and the pushing block 22 is threadedly connected with the driving rod 20;

[0031] First, rotate the pushing block 22, and through the threaded connection between the pushing block 22 and the driving rod 20, the pushing block 22 is unlocked from the fixed frame 12 to provide freedom for subsequent adjustment, the user translates the pushing block 22, the pushing block 22 drives the driving rod 20 to move along the sliding groove 21, the other end of the driving rod 20 is embedded in the spiral driving groove 19 of the third rotating rod 16, the linear movement of the pushing block 22 is converted into the rotary motion of the third rotating rod 16 through the driving groove 19, and the rotation of the third rotating rod 16 further drives the driving plate 18 fixedly sleeved on the outer surface thereof to rotate, the rotary force of the driving plate 18 is transmitted to the connecting plate 17 through the rotary connection between the one end of the driving plate 18 and the connecting plate 17, and the connecting plate 17 is movably sleeved in the middle part of the second rotating rod 15, and the angle is adjusted freely with the rotation of the driving plate 18, the angle change of the second rotating rod 15 directly drives the placing plate 14 to adjust the angle, so that it gradually reaches the position required by the user, after the adjustment is completed, the user rotates the pushing block 22 again, and the pushing block 22 is locked with the fixed frame 12 through the threaded connection, so that the entire adjusting structure is fixed, and the stability of the placing plate 14 at the target angle is ensured.

[0032] As shown in Figure 3 , Figure 4 As shown, a group of fixed clamping blocks 25 are fixedly installed on one side of the top surface of the placing plate 14, and a group of movable clamping blocks 26 are movably installed on the other side of the top surface of the placing plate 14, the fixed clamping blocks 25 and the movable clamping blocks 26 are oppositely arranged, a magnetic column 27 is arranged at a corner of each movable clamping block 26, and a magnetic strip 28 is arranged on both sides of the bottom of the placing plate 14, the magnetic column 27 and the magnetic strip 28 are arranged as strong magnetic materials that attract each other;

[0033] The device to be placed (such as a hand-drawing screen) is placed close to the placement plate 14, ensuring that the bottom of the device is in contact with the top surface of the placement plate 14, and one side of the device is placed into one side of the fixed clamping block 25, which provides preliminary device positioning and support, and then the movable clamping block 26 is pushed to gradually approach the other side of the device until the movable clamping block 26 is tightly attached to the device, and the magnetic column 27 at one corner of the movable clamping block 26 is strongly magnetically attracted to the magnetic strips 28 on both sides of the bottom of the placement plate 14, and this strong magnetic material can be a neodymium-iron-boron magnet, which is suitable for applications with high magnetic force requirements, such as scenarios that require rapid adsorption and stable fixation, and the movable clamping block 26 can also adsorb the hand-drawing screen with magnetic adsorption during the movement process, further enhancing the fixation effect of the device. Through the cooperation of the fixed clamping block 25 and the movable clamping block 26, and the adsorption of the magnetic column 27 and the magnetic strip 28, precise fixation, stable support, and rapid disassembly of the device are achieved, which is suitable for devices of different sizes and improves the flexibility of use and the convenience of operation while ensuring stability.

[0034] As shown in Figure 3 One end of the rotating shaft 13 is fixedly sleeved with a pointer 24, and one side of the fixed frame 12 is fixedly installed with an angle pointing block 23, which is arc-shaped, and one end of the pointer 24 is slidingly installed in the inside of the angle pointing block 23.

[0035] When the user needs to adjust the angle of the placement plate 14, first rotate the angle adjusting assembly to drive the rotating shaft 13 to rotate, and the rotation of the rotating shaft 13 gradually changes the angle of the placement plate 14, and the pointer 24 fixedly sleeved at one end of the rotating shaft 13 moves synchronously with the rotating shaft 13, and the pointer 24 is slidingly installed on the arc-shaped track of the angle pointing block 23 on one side of the fixed frame 12, and as the angle adjustment proceeds, the pointer 24 slides along the angle pointing block 23 and points to the corresponding angle scale, and the user can intuitively understand the angle information of the current placement plate 14 by observing the position of the pointer 24, and continue to adjust the rotating shaft 13 as needed until the target angle is reached, and after adjustment, the pointer 24 is stable at a specific scale position of the angle pointing block 23, and the angle of the placement plate 14 is fixed and no longer changes, ensuring the stability and accuracy in work.

[0036] It should be understood by those of ordinary skill in the art that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest the scope (including claims) of the present application is limited to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0037] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A hand-drawing screen support frame that facilitates adjustment, characterized by, Include: The placement of the column (1), both sides of the fixed mounting of the fixed sleeve plate (2), the inside of the fixed sleeve plate (2) is slidably installed with movable plate (3), the top of the movable plate (3) is fixedly installed with fixed frame (12), one side of the fixed frame (12) is rotatably installed with rotating shaft (13), the outer surface of the rotating shaft (13) is sleeved with placing plate (14); Lifting assembly, the lifting assembly is arranged in the inside of two fixed sleeve plates (2), and the lifting assembly is used for lifting adjustment of the movable plate (3); Angle adjusting assembly, the angle adjusting assembly is arranged on one side of the fixed frame (12), and the angle adjusting assembly is used for adjusting the hand drawing angle of the placing plate (14).

2. The hand-drawn screen support of claim 1, wherein, The lifting assembly includes a rack (4) fixedly installed in the inside of two movable plates (3), a first rotating rod (5) rotatably installed between two fixed sleeve plates (2), the two sides of the first rotating rod (5) are fixedly sleeved with a first meshing gear (6) engaged with the rack (4), one end of the first rotating rod (5) is further fixedly connected with a second meshing gear (7), one side of one of the fixed sleeve plates (2) is rotatably installed with an adjusting rod (8), one side of the adjusting rod (8) is fixedly sleeved with a third meshing gear (9) engaged with the second meshing gear (7), one side of the third meshing gear (9) is further fixedly connected with a limit gear (10), the limit gear (10) is coaxially rotatable with the third meshing gear (9), one side of the fixed sleeve plate (2) is further rotatably installed with a ratchet (11) matched with the limit gear (10), one side of the ratchet (11) is provided with an adjusting rod.

3. The hand-drawn screen support of claim 1, wherein, The angle adjusting assembly includes a third rotating rod (16) rotatably installed on one side of the fixed frame (12), a second rotating rod (15) rotatably installed on one side of the bottom of the placing plate (14), a connecting plate (17) movably sleeved on the middle portion of the second rotating rod (15), a driving plate (18) rotatably installed on the other end of the connecting plate (17), and the other end of the driving plate (18) is fixedly sleeved on the middle portion of the outer surface of the third rotating rod (16).

4. The hand-drawn screen support of claim 3, wherein, One side of the fixed frame (12) is provided with a sliding groove (21), the sliding groove (21) is slidably installed with a driving rod (20), one side of the third rotating rod (16) is provided with a spiral driving groove (19), one end of the driving rod (20) is slidably installed in the inside of the driving groove (19), and the other end of the driving rod (20) is provided with a pushing block (22).

5. The hand-drawn screen support of claim 4, wherein, The pushing block (22) and the driving rod (20) are threadedly installed.

6. The hand-drawn screen support of claim 5, wherein, The top surface side of the placement plate (14) is fixedly provided with a set of fixed clamping blocks (25), the other side of the top surface of the placement plate (14) is movably provided with a set of movable clamping blocks (26), the fixed clamping blocks (25) and the movable clamping blocks (26) are oppositely arranged, one corner of the movable clamping blocks (26) is provided with a magnetic column (27), the bottom of the placement plate (14) is provided with a magnetic strip (28) on both sides, and the magnetic column (27) and the magnetic strip (28) are provided as strong magnetic materials that are attracted to each other.

7. The easel of claim 1, wherein, One end of the rotating shaft (13) is fixedly provided with a pointer (24), one side of the fixed frame (12) is fixedly provided with an angle pointing block (23), the angle pointing block (23) is arranged in an arc shape, and one end of the pointer (24) is slidably arranged in the interior of the angle pointing block (23).

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