CN103568663B - Combined drawing tool - Google Patents

Abstract

The combined drawing tool provided by the present invention includes: a disc structure, which includes a connecting disc, a disc cap, a capped needle assembly, and an elastic assembly; A bracket and a clamping structure for sliding connection embedded in the bracket structure. There is a steel needle in the disc structure, which is used as the center of the compass, and one end of the disc structure is vertically rotated through the shaft wheel to connect to the first bracket, and a sliding clamping structure is provided in the first bracket. A pen is inserted into the holding structure, and the pen can be rotated by fixing the center of the circle to make a circle, realizing the function of being used as a compass. The side of the first support is provided with an auxiliary ruler, which can make a straight line of a certain length and realize the function of being used as a ruler. The invention provides a multifunctional and convenient combined drawing tool, which can simplify the cumbersome steps in the drawing process, is convenient to carry, and can realize complex combined functions.

Description

A Combined Drawing Tool

technical field

The invention belongs to the field of drawing tools, and in particular relates to a combination tool of a disk, a ruler and a protractor for students to measure and draw.

Background technique

Among the common drawing tools in college students’ classrooms, two triangular plates, 45-degree and 60-degree triangular plates, as well as protractors and compasses are needed. The four tools work together to draw fixed-length lines, polygons, circles, and arcs. The above-mentioned tools are relatively common, relatively easy to obtain, and have the advantages of relatively accurate measurement results, but at the same time, they have the following disadvantages: cumbersome operation, inconvenient portability, and the function of each tool is too single.

Contents of the invention

The purpose of the present invention is to provide a multifunctional and convenient combined drawing tool.

The technical problem to be solved by the present invention adopts the following technical solutions to realize:

The invention provides a combined drawing tool, comprising: a disk structure, the disk structure includes a connecting disk, a disk cap, a needle assembly with a cap and an elastic assembly; the first bracket; and the clamping structure, which is slidably connected in the clamping bracket structure, wherein the first bracket is rotatably connected in a plane perpendicular to the disc structure, and a raised hollow round platform is fixed above the connecting disc, and the raised The hollow round table is provided with a thread for flexible connection with the disc cap and a hollow T-shaped table for vertically enclosing the needle assembly with the cap inside. The elastic component is located inside the hollow T-shaped table for card arrival. The cap end of the capped needle assembly, the first bracket includes the first bracket slot arranged in the bracket, the sub-ruler assembly, the bracket body, the sliding connection assembly, the sub-ruler assembly and the first bracket slot are slidably connected on the same horizontal plane via the sliding connection assembly The clamping structure includes a pen cover located in the first bracket slot, and a bolt structure that passes through the baffle plate of the first bracket slot and is movably connected via the baffle plate.

Further, in the combined drawing tool provided by the present invention, it can also have such a feature: the support structure also includes: a second support located on the bottom side of the connection disc opposite to the raised hollow round platform, the second support is provided with The second guide groove is slidably connected with the connecting disk via the second guide groove.

Further, the combined drawing tool provided by the present invention may also have such a feature: the inner line of the first bracket and the second bracket intersects on the capped needle assembly connecting the disc.

Further, the combined drawing tool provided by the present invention can also have such a feature: the peripheral edge of the raised hollow round table also includes a dial covering the raised hollow round table connected to the disc, and the raised hollow round table and the dial are Two concentric circles.

Further, in the combined drawing tool provided by the present invention, it may also have such a feature: the upper surface of the dial is also provided with an indicating plate, and the indicating plate cooperates with the dial to display that the pointer of the indicating plate is aligned with the scale in the dial.

Further, in the combined drawing tool provided by the present invention, it may also have such a feature: the elastic assembly includes a first spring and a second spring in the same vertical direction, the first spring is located above the second spring, and the first spring is elastically The coefficient is greater than the second spring coefficient.

Further, in the combined drawing tool provided by the present invention, it can also have such a feature: the capped needle assembly includes a steel needle, the upper side of the cap end of the steel needle is connected to the first spring, and the first spring passes through the cap under the steel needle. connected to the second spring.

Function and Effect of Invention

According to the combined drawing tool involved in the present invention, because there is a steel needle in the disk structure, the steel needle is used as the center of the compass, and there is a first bracket connected to one end of the disk structure through a shaft wheel to rotate vertically. There is a sliding clamping structure inside, a pen is inserted into the clamping structure, and the pen can make a circle by fixing the center of the circle and turning the pen to realize the function of being used as a compass. The side of the first bracket is provided with a pair of auxiliary rulers, which can be used as a straight line of a certain length to realize the function of being used as a ruler. Therefore, the present invention can provide a multifunctional and convenient combined drawing tool, which can simplify the drawing process Medium and tedious steps, easy to carry, and capable of realizing complex combination functions.

Description of drawings

Fig. 1 is the top structural schematic diagram of combined drawing tool in the embodiment of the present invention;

Fig. 2 is a schematic diagram of the main view structure of the combined drawing tool in an embodiment of the present invention;

Fig. 3 is the A-A cross-sectional structure schematic diagram of Fig. 2 in the embodiment of the present invention;

Fig. 4 is the structural representation of clamping device in the embodiment of the present invention;

Fig. 5 is the top view of dial in the embodiment of the present invention;

Figure 6 is a top view and a front view of the indicator disc in the connecting disc in an embodiment of the present invention; and

Fig. 7 is a top view of the subscale in the embodiment of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

FIG. 1 is a schematic top view of a combined drawing tool 001 in an embodiment of the present invention; FIG. 2 is a schematic front view of a combined drawing tool 001 in an embodiment of the present invention.

As shown in Figures 1-2, in this embodiment, the present invention provides a combined drawing tool 001, comprising: a disc structure 100, a support structure 200 connected to the disc structure 100 in rotation in the vertical direction, positioned at the support structure 100 is movably connected to the clamping structure 300 , the dial 400 and the indicator plate 500 covered on the disc structure 100 .

Fig. 3 is a schematic diagram of the cross-sectional structure along A-A of Fig. 2 in an embodiment of the present invention.

As shown in FIG. 3 , the disk structure 100 includes a connecting disk 110 , a disk cap 120 , a capped needle assembly 130 and an elastic assembly 140 .

A raised hollow round table 110 (1) is fixedly connected to the top of the connecting disc 110, and the raised hollow round table 110 (1) is provided with threads, and the disc cap 120 is movably connected with the thread, and the inside of the raised hollow round table 110 (1) includes a Hollow T-shaped platform, the vertical section of the hollow T-shaped platform is provided with a capped needle assembly 130 , and the cap end of the capped needle assembly 130 is provided with an elastic assembly 140 .

The elastic component 140 includes a first spring and a second spring in the same vertical direction. The first spring is located above the second spring, and the first spring coefficient is greater than the second spring coefficient. The hooded needle assembly 130 is specifically a steel needle, that is, a first spring is connected above the cap end of the steel needle, and a second spring is connected below the cap end of the steel needle.

As shown in FIGS. 1-2 , the support structure 200 includes a first support 210 and a second support 220 . The first bracket 210 is connected to the protruding side of the disc structure 100, and the second bracket 220 is connected to the bottom side of the raised hollow round table 110 (1). The disc 110 together can freely rotate around above the second bracket 220 . The inner lines of the first bracket 210 and the second bracket 220 intersect on the steel needle connecting the disk 100 .

The first bracket 210 includes a first bracket slot 211 , a second bracket slot 212 , a subscale assembly 213 and a sliding connection assembly 214 disposed in the bracket.

The sliding connection assembly 214 includes a first sliding assembly and a second sliding assembly, specifically bolts in this embodiment.

The first bracket groove 211 and the second bracket groove 212 are located on both sides of the horizontally placed bracket structure 200 and are parallel to each other, and are respectively used as guide rails for the first sliding assembly and the second sliding assembly.

The groove surface of the first bracket groove 211 is provided with a sub-scale assembly 213 , and is attached to the sub-scale assembly 213 in parallel. As shown in FIG. 7 , the sub-ruler component 213 is specifically a pair of sub-rulers. The sub-ruler is connected to the first bracket groove 211 via the first sliding component, and can stretch back and forth along the direction of the first bracket groove 211 .

One side of the second bracket slot 212 is connected to the second sliding assembly, and the other side of the second bracket slot 212 is connected to the clamping structure 300 .

Fig. 4 is a structural schematic diagram of the clamping structure in the embodiment of the present invention.

As shown in FIG. 4 , the clamping structure 300 includes a pen cover 310 , a baffle 320 , and a bolt structure 330 . The pen cover 310 is located in the first bracket groove 211 and is used for inserting a pencil to draw an arc. One side of the baffle 320 passes through the first bracket slot 211 and is connected to the pen cover 310 , and the other side of the baffle 320 is movably connected to the above-mentioned second sliding assembly.

The second bracket 220 is specifically a main ruler, and a groove is provided on the main ruler, and the groove is used as a sliding guide rail for connecting the disc 110, so that the connecting disc 110 can slide back and forth along the groove.

Fig. 5 is a top view of the dial in the embodiment of the present invention.

As shown in FIG. 5 , in this embodiment, the dial 400 is covered on the raised hollow circular platform 110 ( 1 ), and attached to the peripheral edge of the raised hollow circular platform 110 ( 1 ). Since the inner line of the second bracket 220 and the first bracket 210 intersect on the steel needle connecting the disc 110, the angle at which the second bracket 220 intersects the inner line of the first bracket 210 is the angle to be measured, that is, the dial 400 is used to measure the first The degree of the angle between the first bracket 210 and the second bracket 220 .

Fig. 6 is a top view and a front view of the indicating disc in the connecting disc in the embodiment of the present invention.

In this embodiment, the combined drawing tool 001 further includes an indicator plate 500 , and the indicator plate 500 cooperates with the dial 400 to display that the pointer 501 of the indicator plate 500 is aligned with the scale 401 in the dial 400 .

The specific working details of the combined drawing tool 001 shown in the present invention will be described below.

As shown in Figure 1-7, when the combined drawing tool 001 is used as a compass, a disc cap 120 is provided on the raised hollow round platform 110 (1) above the connection disc 110, firstly rotate the disc cap 120 clockwise, and the circle The disc cap 120 is threadedly connected with the raised hollow round table 110 (1), at this time the steel needle will protrude, and the disc cap 120 is pressed manually to fix the steel needle at the center of the drawing paper, and then lift the second shaft connected to it. One bracket 210, and fix the vertical lifting angle of the first bracket 210, then put the pen into the pen holder, extend the pen to an appropriate height until the nib falls on the paper, turn the ruler horizontally, and align the eyes with the nib and the steel The distance between the needle and the paper surface, adjust the radius size by sliding the pen clip on the second sliding groove, and then use the main ruler to measure and determine the distance between the pen tip and the steel needle, that is, the radius of the arc. After confirming the distance, tighten the nut to The pen cover 310 is fixed on the first bracket 210 tightly in the pen clip, and one hand holds the disc cap 120 when making a circle, and the other hand assists the first bracket 210 to do circular motion.

When it is used as a fixed-length horizontal or vertical line, adjust the relative angle of the first bracket 210 and the second bracket 220 to 90 degrees or 270 degrees, and then tighten the disc cap 120 clockwise. At this time, the steel needle will protrude and can be used by people Press the dial 400 firmly to make the main ruler close to the paper or board surface, and cut a fixed-length straight line according to the scale on the main ruler.

When it is regarded as line segments forming a certain angle with each other, turn the inner angle of the first bracket 210 and the second bracket 220 to the required angle of the dial 400 . In the same way, lock the disc cap 120, then push out the auxiliary ruler to fix it, draw two lines along the inner line of the first bracket 210 and the second bracket 220, and then use the main ruler to supplement the lines to the intersection point.

Function and effect of embodiment

According to the combined drawing tool involved in the present invention, because there is a steel needle in the disk structure, the steel needle is used as the center of the compass, and there is a first bracket connected to one end of the disk structure through a shaft wheel to rotate vertically. There is a sliding clamping structure inside, a pen is inserted into the clamping structure, and the pen can be rotated to make a circle by fixing the center of the circle. A side ruler is provided on the side of the first bracket, which matches the ruler of the second bracket included in the bracket structure. It can be used as a straight line of a certain length, and can also be used to make a T-shaped diagram. In addition, there is a dial on the disc structure, and the degree displayed on the dial can be read through the angle formed by the two rulers. It can be used as a Protractor, so, the present invention can provide a kind of multifunctional and convenient combination drawing tool, and this combination drawing tool can simplify the cumbersome steps in the drawing process, be convenient to carry, can realize the compound combination function.

Of course, the combined drawing tool involved in the present invention is not limited to the structure in this embodiment.

In addition, in the embodiment, because the first sliding assembly is provided on the first sliding groove, the first sliding assembly is specifically two nut assemblies, which can keep the auxiliary scale fixed and slide in the first sliding guide groove, so two The nut assembly can slide the subscale more stably.

In addition, in the embodiment, because the inner line of the first bracket and the second bracket intersect on the steel needle connecting the disc, it can be ensured that the angle between the first bracket and the inner line of the second bracket is the angle displayed on the dial .

Claims (6)

1. A combined drawing tool, characterized in that, comprising: A disc structure, the disc structure includes a connecting disc, a disc cap, a capped needle assembly and an elastic assembly, a support structure, including a first support and a second support protruding from one side of the disc structure; and a clamping structure, snap-fitted and slidably connected within the support structure, in, The first bracket is rotatably connected in a plane perpendicular to the disc structure, A raised hollow round platform is fixed above the connecting disc, and the raised hollow round platform is provided with threads for movably connecting with the disc cap on the outside and a thread for vertically enclosing the capped needle assembly inside. hollow catwalk, The elastic component is located inside the hollow T-shaped platform, and is used for clamping the cap end of the capped needle component, The second bracket is located on the bottom side of the connecting disk opposite to the raised hollow platform, The first bracket includes a first bracket slot arranged in the bracket, a sub-ruler assembly, a bracket body, and a sliding connection assembly, The second bracket is provided with a second guide groove, and is slidably connected with the connecting disk through the second guide groove, The auxiliary ruler assembly is slidably connected to the first bracket groove on the same horizontal plane via the sliding connection assembly, The clamping structure includes a pen cover located in the first bracket slot, and a bolt structure that passes through the baffle plate of the first bracket slot and is movably connected via the baffle plate. 2. combined drawing tool according to claim 1, is characterized in that: Wherein, the inner line of the first bracket and the second bracket intersects on the capped needle assembly. 3. combined drawing tool according to claim 1, is characterized in that: Wherein, the peripheral edge of the raised hollow round table also includes a scale plate covering and connected to the raised hollow round table of the connecting disc, The raised hollow circular platform and the dial are two concentric circles. 4. combined drawing tool according to claim 3, is characterized in that: Wherein, the upper surface of the dial is also provided with an indicator plate, and the indicator plate cooperates with the dial to display that the pointer of the indicator plate is aligned with the scale in the dial. 5. combined drawing tool according to claim 1, is characterized in that: Wherein, the elastic assembly includes a first spring and a second spring in the same vertical direction, the first spring is located above the second spring, and the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring . 6. The combined drawing tool according to claim 5, characterized in that: Wherein, the hooded needle assembly includes a steel needle, the upper side of the cap end of the steel needle is connected to the first spring, and the first spring is connected to the second spring via the lower side of the cap of the steel needle.