CN218171862U

CN218171862U - Circle drawing auxiliary frame

Info

Publication number: CN218171862U
Application number: CN202222559197.5U
Authority: CN
Inventors: 王理峰; 丁润冲
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-30
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a circle drawing auxiliary frame, it has the support frame to distribute including backup pad bottom array, just department is provided with the fixed column in the middle of the backup pad top, the fixed column inboard is installed and to be had the adjustment mechanism of the circular picture regulation size of different diameters, just fixed column right side below is connected with the linking arm, the regulation pole is installed to linking arm right-hand member inboard, just it is provided with the installation piece to adjust the pole bottom, install the piece below and install the fixture that can play centre gripping stabilizing action when carrying out the circle drawing to the painting brush, just the pen container is still installed to installation piece below. The utility model discloses a fixture and adjustment mechanism can cooperate the extension of adjusting the pole according to the scale interval and confirm drawing circle diameter size to can effectually carry out accurate regulation according to the drawing circle size of different diameters, and utilize three support frame can also play firm effect to this auxiliary frame when drawing the circle, increased holistic practicality.

Description

Circle drawing auxiliary frame

Technical Field

The utility model relates to a drawing circle auxiliary frame technical field specifically is a drawing circle auxiliary frame.

Background

The circle is one of common figures in daily life and working life of people, the structure of the existing circle drawing tool is mainly a conventional compass structure, and the circle drawing tool realizes the drawing of the circle through a sharp pivot point;

when the positioning device is actually used, the sharp pivot point can only be applied to the surface of a soft material drawing board generally, and can only be stably positioned, if the positioning device is used on the surface of a hard smooth material drawing board, the problem of sliding deviation of the sharp pivot point in the positioning process can occur, so that a circular drawing is not stable enough;

therefore, there is a need to provide a circle drawing auxiliary frame to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circle drawing auxiliary frame, through fixture and adjustment mechanism, can cooperate the extension of adjusting the pole according to the scale interval and confirm the circle drawing diameter size to can be effectual carry out accurate regulation according to the circle drawing size of different diameters, and utilize three support frame can also play firm effect when drawing the circle to this auxiliary frame, increased holistic practicality, with the problem of proposing in solving above-mentioned background art, the utility model discloses technical scheme is too single technical problem to prior art solution, provides showing and is different from prior art's solution.

In order to achieve the above object, the utility model provides a following technical scheme: a circle drawing auxiliary frame comprises a supporting plate, wherein supporting frames are distributed at the bottom of the supporting plate in an array mode, a fixing column is arranged in the middle of the upper portion of the supporting plate, an adjusting mechanism capable of adjusting the size of a circular picture with different diameters is mounted on the inner side of the fixing column, a connecting arm is connected to the lower portion of the right side of the fixing column, an adjusting rod is mounted on the inner side of the right end of the connecting arm, an installation block is arranged at the bottom of the adjusting rod, a clamping mechanism capable of clamping and stabilizing a painting brush during circle drawing is mounted below the installation block, and a pen container is further mounted below the installation block; the adjusting mechanism comprises a threaded rod connected to the inner side of the fixing column, and a sliding block is connected to the outer side of the threaded rod in a threaded manner; the clamping mechanism comprises a bidirectional screw rod arranged on the inner side of the mounting block, the outer side of the bidirectional screw rod is in threaded connection with two movable blocks, and the clamping blocks are arranged on opposite side faces of the two movable blocks; the pen container is characterized in that a movable rod is arranged above the inner side of the pen container, a spring is clamped above the outer side of the movable rod, and a rubber ring is arranged on the inner wall of the pen container.

In a further embodiment, a sliding groove is formed in the inner wall of the fixing column, and the sliding groove and the sliding block form a lifting sliding structure.

In a further embodiment, the bottom end of the threaded rod is movably connected with the upper part of the supporting plate.

In a further embodiment, the connecting arm and the adjusting rod form a left-right telescopic mechanism.

In a further embodiment, the clamping blocks are arc-shaped, and the openings of the two clamping blocks face to the opposite side.

In a further embodiment, an inner and outer sliding structure is formed above the movable block and on the inner side of the mounting block.

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

1. the utility model discloses, be provided with fixture and adjustment mechanism, utilize pen container and rubber circle, can play the spacing effect of drawing pen, utilize two to be circular-arc movable blocks to cooperate the rotation of two-way lead screw, can be effectual carry out the centre gripping to the pen container of equidimension not fixed, utilize the slider to cooperate the rotation of threaded rod to drive its effect of moving down, can be effectual with the inboard fluid extrusion of fixed column to the linking arm inboard, make the adjustment lever cooperate the extension of scale interval, compared with the prior art, can coordinate the extension of adjustment lever according to the scale interval to confirm the drawing circle diameter size, thereby can be effectual carry out accurate regulation according to the drawing circle size of different diameters, and utilize three support frame can also play firm effect when drawing the circle to this auxiliary frame, the holistic practicality has been increased;

2. the utility model discloses, be provided with pen container, movable rod and spring, utilize the drawing pen to make progress extruded effect when circle, can effectually make the painting brush cooperate the spring to drive the movable rod and upwards push up, utilize the resilience of spring to hold the power, compare with current technique, can effectually carry out the backstepping compensation to the loss that the painting brush produced when drawing the circle.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a circle drawing auxiliary frame provided by the present invention;

FIG. 2 is a schematic main sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic view of the mounting structure of the movable rod and the spring shown in FIG. 1;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.

In the figure: 1. a support plate; 2. a support frame; 3. fixing a column; 301. a chute; 4. an adjustment mechanism; 401. a threaded rod; 402. a slider; 5. a connecting arm; 6. adjusting a rod; 7. mounting blocks; 8. a clamping mechanism; 801. a bidirectional screw rod; 802. a movable block; 803. a clamping block; 9. a pen container; 901. a movable rod; 902. a spring; 903. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment of: the utility model provides a drawing circle auxiliary frame, which comprises a supporting plate 1, support frame 2, fixed column 3, spout 301, adjustment mechanism 4, threaded rod 401, slider 402, linking arm 5, adjust pole 6, installation piece 7, fixture 8, two-way lead screw 801, movable block 802, grip block 803, pen container 9, movable rod 901, spring 902 and

rubber circle

903, 1 bottom array distribution of backup pad has support frame 2, and department is provided with fixed column 3 in the middle of the backup pad 1 top, 3 inboard installations of fixed column can be to the circular drawing adjustment size's of different

diameters adjustment mechanism

4, and 3 right side below of fixed column is connected with linking

arm

5, 5 right-hand member inboard installations of linking arm have adjust pole 6, and it is provided with installation piece 7 to adjust pole 6 bottom, install the fixture 8 that can play centre gripping stabilizing effect when carrying out the circle to the painting brush pen below installation piece 7, and still install pen container 9 below installation piece 7.

Example 1

Referring to fig. 1-2, the adjusting mechanism 4 includes a threaded rod 401 connected to the inner side of the fixed column 3, a slider 402 is connected to the outer side of the threaded rod 401 through a thread, a sliding groove 301 is formed in the inner wall of the fixed column 3, the sliding groove 301 and the slider 402 form a lifting sliding structure, the bottom end of the threaded rod 401 is movably connected to the upper portion of the supporting plate 1, a painting brush is firstly inserted into the inner side of the pen container 9, a rubber ring 903 is arranged on the inner wall of the pen container 9, the clamping mechanism 8 includes a bidirectional screw rod 801 installed on the inner side of the installation block 7, two movable blocks 802 are connected to the outer side of the bidirectional screw rod 801 through a thread, the two movable blocks 802 are installed on the opposite sides of the clamping blocks 803 and can limit the painting brush, then the pen container 9 is placed between the two clamping blocks 803, the two movable blocks 802 are driven by the manual rotary bidirectional screw rod 801 to move inside and outside simultaneously, the two movable blocks 802 are arc-shaped, so that the pen container 9 with different sizes can be effectively clamped and fixed by the two movable blocks 802, and the pen container can effectively clamp the pen container 9 by the two movable blocks 903 inside and outside the pen container 802;

after the painting brush is fixed, the whole circle-drawing auxiliary frame is placed in a circle-drawing area through the support frames 2, then the fixed column 3 is manually and forcibly stabilized, at the moment, the size of the adjusting rod 6 is adjusted according to the diameter of the drawn circle, the specific adjusting method is as shown in figure 2, firstly, the threaded rod 401 is manually rotated and the sliding block 402 is driven to match with the sliding groove 301 to slide downwards, so that oil on the inner side of the fixed column 3 is extruded to the inner side of the connecting arm 5, the adjusting rod 6 begins to extend towards the right side, a scale interval is arranged above the adjusting rod 6, the diameter size of the drawn circle can be determined according to the scale interval and the extension of the adjusting rod 6, the structure can effectively adjust the sizes of the drawn circles with different diameters, and meanwhile, the three support frames 2 can play a role in stabilizing the auxiliary frame when the drawn circles, after a painting brush is fixed, the whole circle drawing auxiliary frame is placed in a circle drawing area through the support frames 2, then the fixed column 3 is manually and firmly supported, at the moment, the size of the adjusting rod 6 is adjusted according to the diameter of a drawn circle, the specific adjusting method is as shown in fig. 2, firstly, the threaded rod 401 is manually rotated and the sliding block 402 is driven to match with the sliding groove 301 to slide downwards, oil on the inner side of the fixed column 3 is extruded to the inner side of the connecting arm 5, the adjusting rod 6 starts to extend towards the right side, a scale interval is arranged above the adjusting rod 6, the diameter size of the drawn circle can be determined according to the scale interval and the extension of the adjusting rod 6, the structure can effectively adjust according to the size of the drawn circles with different diameters, and meanwhile, the three support frames 2 can play a role in stabilizing the auxiliary frame when the drawn circles;

example 2

Referring to fig. 1-4, the difference from embodiment 1 is: the movable rod 901 is arranged above the inner side of the pen container 9, a spring 902 is clamped above the outer side of the movable rod 901, a rubber ring 903 is arranged on the inner wall of the pen container 9, a left-right telescopic mechanism is formed by the connecting arm 5 and the adjusting rod 6, the clamping blocks 803 are arc-shaped, openings of the two clamping blocks 803 face opposite sides, an inner-outer sliding structure is formed by the upper side of the movable block 802 and the inner side of the mounting block 7, after the diameter size of a drawing circle is adjusted, the fixing column 3 is manually rotated, the mounting block 7 is driven to rotate around the center line of the fixing column 3 through the connecting arm 5 and the adjusting rod 6, a painting brush below the inner side of the pen container 9 also rotates around the center line of the fixing column 3, and can effectively perform circle drawing on the painting brush.

The working principle is as follows: when the pen container is used, as shown in fig. 4, a painting pen is firstly inserted into the inner side of the pen container 9, the rubber ring 903 is arranged on the inner wall of the pen container 9, the function of limiting the painting pen can be achieved, then the pen container 9 is placed between the two clamping blocks 803, the two movable blocks 802 are driven to move inwards and outwards simultaneously by manually rotating the two-way screw rod 801, and the two movable blocks 802 are arc-shaped, so that the pen containers 9 with different sizes can be effectively clamped and fixed;

after a painting brush is fixed, the whole circle drawing auxiliary frame is placed in a circle drawing area through the support frames 2, then the fixed column 3 is manually and firmly supported, at the moment, the size of the adjusting rod 6 is adjusted according to the diameter of a drawn circle, the specific adjusting method is as shown in fig. 2, firstly, the threaded rod 401 is manually rotated and the sliding block 402 is driven to match with the sliding groove 301 to slide downwards, oil on the inner side of the fixed column 3 is extruded to the inner side of the connecting arm 5, the adjusting rod 6 starts to extend towards the right side, a scale interval is arranged above the adjusting rod 6, the diameter size of the drawn circle can be determined according to the scale interval and the extension of the adjusting rod 6, the structure can effectively adjust according to the size of the drawn circles with different diameters, and meanwhile, the three support frames 2 can play a role in stabilizing the auxiliary frame when the drawn circles;

as shown in fig. 1 and 3-4, after the diameter of the painting circle is adjusted, the fixing column 3 is rotated manually, the connecting arm 5 and the adjusting rod 6 drive the mounting block 7 to rotate around the center line of the fixing column 3, so that the painting brush below the inner side of the pen container 9 also rotates around the center line of the fixing column 3, and the painting brush can be effectively used for painting the circle.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a draw circle auxiliary frame, includes backup pad (1), its characterized in that: the support frames (2) are distributed at the bottom of the support plate (1) in an array manner, the fixing columns (3) are arranged in the middle of the upper portion of the support plate (1), adjusting mechanisms (4) capable of adjusting the sizes of circular figures with different diameters are mounted on the inner sides of the fixing columns (3), a connecting arm (5) is connected to the lower portion of the right side of each fixing column (3), an adjusting rod (6) is mounted on the inner side of the right end of each connecting arm (5), an installation block (7) is arranged at the bottom of each adjusting rod (6), a clamping mechanism (8) capable of clamping and stabilizing a painting brush during circle drawing is mounted below each installation block (7), and a pen container (9) is further mounted below each installation block (7);

the adjusting mechanism (4) comprises a threaded rod (401) connected to the inner side of the fixing column (3), and a sliding block (402) is connected to the outer side of the threaded rod (401) in a threaded manner;

the clamping mechanism (8) comprises a bidirectional screw rod (801) arranged on the inner side of the mounting block (7), two movable blocks (802) are connected to the outer side of the bidirectional screw rod (801) in a threaded mode, and clamping blocks (803) are arranged on opposite side faces of the two movable blocks (802);

a movable rod (901) is arranged above the inner side of the pen container (9), a spring (902) is clamped above the outer side of the movable rod (901), and a rubber ring (903) is arranged on the inner wall of the pen container (9).

2. A circle drawing auxiliary frame according to claim 1, wherein: the inner wall of the fixing column (3) is provided with a sliding groove (301), the sliding groove (301) and the sliding block (402) form a lifting sliding structure, and the bottom of the fixing column (3) is movably connected with the upper portion of the supporting plate (1).

3. A circle drawing auxiliary frame according to claim 1, wherein: the bottom end of the threaded rod (401) is movably connected with the upper part of the support plate (1).

4. A circle drawing auxiliary frame according to claim 1, wherein: the connecting arm (5) and the adjusting rod (6) form a left-right telescopic mechanism.

5. A circle drawing auxiliary frame according to claim 1, wherein: the clamping blocks (803) are arc-shaped, and the openings of the two clamping blocks (803) face to the opposite side.

6. A cyclograph support according to claim 1, wherein: the upper part of the movable block (802) and the inner side of the mounting block (7) form an inner and outer sliding structure.