CN220734741U

CN220734741U - Drawing frame with adjustable

Info

Publication number: CN220734741U
Application number: CN202322379081.8U
Authority: CN
Inventors: 谭妮
Original assignee: Hunan Software Vocational And Technical University
Current assignee: Hunan Software Vocational And Technical University
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-09
Anticipated expiration: 2033-09-01

Abstract

The utility model relates to the technical field of drawing frames, in particular to an adjustable drawing frame which comprises a base and a control box, wherein movable grooves are formed in two sides of the base, movable rods are arranged in the movable grooves, grooves are formed in the tops of the movable rods, first mounting rods are fixedly arranged in the grooves, and first springs are arranged on the outer sides of the first mounting rods. According to the utility model, the first gear is rotated by rotating the handle, the second gear can be driven to rotate due to the meshing of the first gear and the second gear, the third gear can be driven to rotate under the action of the rotating rod, the fourth gear can be driven to rotate due to the meshing of the third gear and the fourth gear, the moving plates on two sides can be simultaneously lifted or lowered under the action of the guide rod and the sliding block, and the rotation is stopped after the drawing plate is adjusted to a proper angle, so that the operation is simple, the self-operation is realized, and the heights on two sides are consistent all the time when the angle of the drawing plate is changed, and the balance of the drawing plate is maintained.

Description

Drawing frame with adjustable

Technical Field

The utility model relates to the technical field of drawing frames, in particular to an adjustable drawing frame.

Background

The drawing frame is a frame with an adjustable inclination angle of a desktop, and is suitable for artists or plotters. Some drawing frames may also be height adjustable. There are many types of typical drawing frames available for selection.

In the application, the publication of the Chinese patent application is CN 218246219U, and the adjustable drawing frame has a good effect, but has a simple structure, can not adjust the heights of the drawing boards at two sides at the same time in use, is inconvenient to store, and is provided for the purpose.

Disclosure of Invention

The present utility model is directed to an adjustable drawing frame to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an adjustable drawing frame, includes base and control box, the movable groove has all been seted up to the base both sides, the movable inslot portion is provided with the movable rod, the recess has been seted up to the movable rod top, the fixed first installation pole that is provided with in recess inside, the first installation pole outside is provided with first spring, the one end of first spring is provided with first fixture block, first spacing groove has been seted up to inside the first fixture block, the support column is all fixedly provided with in base bottom four corners, the control groove has been seted up inside the control box, the inside top of control groove is provided with first gear through the pivot, the inside second gear that meshes with first gear that is provided with of control groove, the fixed rotary rod that is provided with in second gear one side, the control column both sides are all fixedly provided with the control post, first draw-in groove has been seted up to the control post bottom, the screw thread groove has been seted up to the control post inside, the one end of rotary rod is passed the control groove and is fixedly provided with the third gear in the screw groove, the screw groove is internally provided with the fourth gear that meshes with the third gear, the fourth gear top is fixedly provided with the threaded rod, the threaded rod top is through bearing and screw groove inner wall fixed connection, the threaded rod outside is provided with the movable plate through the screw hole activity, fixed the being provided with the slider on one side of the movable plate, the movable plate top is located the threaded rod both sides and all fixedly provided with the bracing piece, the one end of bracing piece passes the screw groove and is fixedly provided with the drawing board in the control column outside, the one end that the drawing board kept away from the bracing piece is provided with the fixed block through the pivot activity, the second draw-in groove has been seted up to the fixed block bottom, the fixed slot has all been seted up on base top both sides, the fixed slot inside is fixedly provided with the second installation pole, the second mounting rod outside is provided with the second spring, the one end of second spring is provided with the second fixture block, the second spacing groove has been seted up to the inside second fixture block, second fixture block one side bottom mounting is provided with the push rod, the one end of push rod passes the fixed slot in the base outside, the one end that the push rod is located the base outside is fixed to be provided with the ejector pad.

Preferably, a guide groove is formed in one side of the inside of the thread groove, a guide rod is fixedly arranged in the guide groove, and the guide rod is movably connected with the sliding block;

preferably, a handle is fixedly arranged at one end of the rotating shaft, where the first gear is located, at the outer side of the control box;

preferably, one end of the movable rod passes through the movable groove and is arranged outside the base, and a grip is fixedly arranged at one end of the movable rod outside the base;

preferably, one end of the first mounting rod is positioned in the first limiting groove and is fixedly provided with a limiting block;

preferably, one end of the second mounting rod is located in the second limiting groove and is fixedly provided with a limiting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first gear is rotated through the rotating handle, the second gear can be driven to rotate due to the meshing of the first gear and the second gear, the third gear can be driven to rotate under the action of the rotating rod, the fourth gear can be driven to rotate due to the meshing of the third gear and the fourth gear, the movable plates on two sides can be simultaneously lifted or lowered under the action of the guide rod and the sliding block, the rotation is stopped after the drawing plate is adjusted to a proper angle, the operation is simple, the self-operation can be realized, the heights of two sides are always consistent when the angle of the drawing plate is changed, and the balance of the drawing plate is maintained.

2. The movable rod moves outwards along with the handle by pulling outwards, the first clamping block is arranged in a double-sided trapezoid, when the pulling force reaches a certain value, the first clamping block can leave the first clamping groove and move along the inner wall of the movable groove until the fixing effect is canceled, the pushing block moves downwards, the pushing rod drives the second clamping block to move downwards until the second clamping block leaves the second clamping groove, the fixing effect of the base and the fixing block is canceled, the equipment can be conveniently stored, the operation is simple, the disassembly and the installation are convenient, and the practicability of the equipment is improved.

Drawings

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

FIG. 2 is a schematic diagram of a side view of the whole of the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 1;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a base; 2. a control box; 3. a movable groove; 4. a movable rod; 5. a groove; 6. a first mounting bar; 7. a first spring; 8. a first clamping block; 9. a first limit groove; 10. a support column; 11. a control groove; 12. a first gear; 13. a second gear; 14. a rotating rod; 15. a control column; 16. a first clamping groove; 17. a thread groove; 18. a third gear; 19. a fourth gear; 20. a threaded rod; 21. a moving plate; 22. a slide block; 23. a support rod; 24. a drawing board; 25. a fixed block; 26. a second clamping groove; 27. a fixing groove; 28. a second mounting bar; 29. a second spring; 30. a second clamping block; 31. the second limit groove; 32. a push rod; 33. a pushing block; 34. a guide groove; 35. a guide rod; 36. a handle; 37. a grip; 38. a limiting block; 39. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

an adjustable drawing frame comprises a base 1 and a control box 2, wherein movable grooves 3 are formed in two sides of the base 1, movable rods 4 are arranged in the movable grooves 3, grooves 5 are formed in the tops of the movable rods 4, first mounting rods 6 are fixedly arranged in the grooves 5, first springs 7 are arranged on the outer sides of the first mounting rods 6, first clamping blocks 8 are arranged at one ends of the first springs 7, first limiting grooves 9 are formed in the first clamping blocks 8, supporting columns 10 are fixedly arranged at four corners of the bottom end of the base 1, control grooves 11 are formed in the control box 2, first gears 12 are arranged at the top ends of the inner parts of the control grooves 11 through rotating shafts, second gears 13 meshed with the first gears 12 are fixedly arranged in the control grooves 11, rotating rods 14 are fixedly arranged on one sides of the second gears 13, control columns 15 are fixedly arranged on two sides of the control box 2, first clamping grooves 16 are formed in the bottom ends of the control columns 15, threaded grooves 17 are formed in the control columns 15, one end of the rotary rod 14 passes through the control groove 11, a third gear 18 is fixedly arranged in the thread groove 17, a fourth gear 19 meshed with the third gear 18 is arranged in the thread groove 17, a threaded rod 20 is fixedly arranged at the top end of the fourth gear 19, the top end of the threaded rod 20 is fixedly connected with the inner wall of the thread groove 17 through a bearing, a movable plate 21 is movably arranged at the outer side of the threaded rod 20 through a threaded hole, a sliding block 22 is fixedly arranged at one side of the movable plate 21, support rods 23 are fixedly arranged at the top ends of the threaded rods 20, one end of the support rods 23 passes through the thread groove 17, a drawing plate 24 is fixedly arranged at the outer side of the control column 15, one end of the drawing plate 24, far from the support rods 23, is movably provided with a fixing block 25 through a rotating shaft, the angle of the drawing plate 24 is convenient to adjust, a second clamping groove 26 is formed at the bottom end of the fixing block 25, fixing grooves 27 are formed at the two sides of the top end of the base 1, the second mounting rod 28 is fixedly arranged in the fixing groove 27, the second spring 29 is arranged on the outer side of the second mounting rod 28, a second clamping block 30 is arranged at one end of the second spring 29, a second limiting groove 31 is formed in the second clamping block 30, a push rod 32 is fixedly arranged at the bottom end of one side of the second clamping block 30, one end of the push rod 32 penetrates through the fixing groove 27 to be arranged on the outer side of the base 1, a push block 33 is fixedly arranged at one end of the push rod 32 positioned on the outer side of the base 1, and the second clamping block 30 is conveniently pushed;

in this embodiment, preferably, a guiding groove 34 is formed on one side of the inside of the thread groove 17, a guiding rod 35 is fixedly arranged in the guiding groove 34, and the guiding rod 35 is movably connected with the sliding block 22 to guide the moving plate 21;

in this embodiment, preferably, a handle 36 is fixedly disposed at one end of the rotating shaft located at the first gear 12 outside the control box 2, so as to facilitate rotation of the first gear 12;

in this embodiment, preferably, one end of the movable rod 4 passes through the movable slot 3 and is outside the base 1, and one end of the movable rod 4 outside the base 1 is fixedly provided with a grip 37, so as to facilitate moving the movable rod 4;

in this embodiment, preferably, a stopper 38 is fixedly disposed at one end of the first mounting rod 6 in the first limiting groove 9, so as to limit the first clamping block 8;

in this embodiment, preferably, one end of the second mounting rod 28 is located inside the second limiting groove 31 and fixedly provided with a limiting plate 39, which plays a role in limiting the second clamping block 30;

the adjustable drawing frame of the embodiment enables the first gear 12 to rotate through the rotating handle 36, the second gear 13 can be driven to rotate due to the meshing of the first gear 12 and the second gear 13, the third gear 18 can be driven to rotate under the action of the rotating rod 14, the fourth gear 19 can be driven to rotate due to the meshing of the third gear 18 and the fourth gear 19, the movable plates 21 on two sides can be lifted or lowered simultaneously under the action of the guide rod 35 and the sliding block 22, the rotation is stopped after the drawing plate 24 is adjusted to a proper angle, the operation is simple, the self-operation can be realized, and when the angle of the drawing plate 24 is changed, the heights of the two sides are always consistent, the balance of the drawing plate 24 is maintained,

the movable rod 4 moves outwards by pulling the handle 37 outwards, the first clamping block 8 is arranged in a double-sided trapezoid, when the pulling force reaches a certain value, the first clamping block 8 can leave the first clamping groove 16 and move along the inner wall of the movable groove 3 until the fixing effect is canceled, the push block 33 moves downwards, the push rod 32 drives the second clamping block 30 to move downwards until the second clamping block 30 leaves the second clamping groove 26, the fixing effect of the base 1 and the fixing block 25 is canceled, the equipment can be conveniently stored, the operation is simple, the disassembly and the installation are convenient, and the practicability of the equipment is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable drawing frame, characterized in that: including base (1) and control box (2), movable groove (3) have all been seted up to base (1) both sides, movable groove (3) inside is provided with movable rod (4), recess (5) have been seted up on movable rod (4) top, recess (5) inside fixed first installation pole (6) that is provided with, first installation pole (6) outside is provided with first spring (7), the one end of first spring (7) is provided with first fixture block (8), first spacing groove (9) have all been seted up to first fixture block (8) inside, base (1) bottom four corners all are fixed to be provided with support column (10), control box (2) inside has been seted up control groove (11), control groove (11) inside top is provided with first gear (12) through the pivot, control groove (11) inside be provided with first gear (12) engaged with second gear (13), second gear (13) one side is fixed to be provided with rotary rod (14), control box (2) both sides are all fixed to be provided with control post (15), control post (15) are seted up inside screw thread (15) have set up, control post (15), one end of the rotary rod (14) penetrates through the control groove (11) and is fixedly provided with a third gear (18) in the threaded groove (17), the threaded groove (17) is internally provided with a fourth gear (19) meshed with the third gear (18), the top end of the fourth gear (19) is fixedly provided with a threaded rod (20), the top end of the threaded rod (20) is fixedly connected with the inner wall of the threaded groove (17) through a bearing, the outer side of the threaded rod (20) is movably provided with a movable plate (21) through a threaded hole, one side of the movable plate (21) is fixedly provided with a sliding block (22), the top end of the movable plate (21) is positioned at two sides of the threaded rod (20) and is fixedly provided with a supporting rod (23), one end of the supporting rod (23) penetrates through the threaded groove (17) and is fixedly provided with a drawing plate (24) in the outer side of the control column (15), one end of the drawing plate (24) away from the supporting rod (23) is movably provided with a fixed block (25) through a rotating shaft, the bottom end of the fixed block (25) is provided with a second clamping groove (26), two sides of the top end of the base (1) are respectively provided with a fixed groove (27), two sides of the top end of the base (27) are respectively provided with a second spring (28), one end of second spring (29) is provided with second fixture block (30), second spacing groove (31) have been seted up to second fixture block (30) inside, second fixture block (30) one side bottom mounting is provided with push rod (32), the one end of push rod (32) passes fixed slot (27) in base (1) outside, the one end that push rod (32) are located the base (1) outside is fixed and is provided with ejector pad (33).

2. An adjustable drawing frame according to claim 1, wherein: the guide groove (34) is formed in one side of the inside of the thread groove (17), the guide rod (35) is fixedly arranged in the guide groove (34), and the guide rod (35) is movably connected with the sliding block (22).

3. An adjustable drawing frame according to claim 1, wherein: a handle (36) is fixedly arranged at one end of the rotating shaft, where the first gear (12) is located, at the outer side of the control box (2).

4. An adjustable drawing frame according to claim 1, wherein: one end of the movable rod (4) passes through the movable groove (3) to be arranged at the outer side of the base (1), and a grip (37) is fixedly arranged at one end of the movable rod (4) at the outer side of the base (1).

5. An adjustable drawing frame according to claim 1, wherein: one end of the first mounting rod (6) is positioned in the first limiting groove (9) and is fixedly provided with a limiting block (38).

6. An adjustable drawing frame according to claim 1, wherein: one end of the second mounting rod (28) is positioned in the second limiting groove (31) and is fixedly provided with a limiting plate (39).