CN214727745U

CN214727745U - Adjustable pie chart auxiliary drawing device

Info

Publication number: CN214727745U
Application number: CN202120726642.5U
Authority: CN
Inventors: 任慧; 秦俊亚; 王美; 刘明明; 贺慧
Original assignee: Zhengzhou Institute of Finance and Economics
Current assignee: Zhengzhou Institute of Finance and Economics
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-16
Anticipated expiration: 2031-04-10

Abstract

The utility model discloses an adjustable pie chart auxiliary drawing device, which comprises a support ring, wherein a dial is arranged on the upper side of the outer part of the support ring, a T-shaped chute is arranged on the upper side of the inner part of the support ring, T-shaped sliding blocks symmetrically slide in the front and back directions of the inner side of the T-shaped chute, the upper side of the T-shaped sliding block is connected with a support frame, two sliding rods are symmetrically connected in the left and right directions of the inner side of the support frame, sliding blocks are arranged in the middle parts of the two sliding rods, a scribing component is arranged in the middle part of each sliding block, each scribing component comprises a sleeve, a threaded sleeve slides on the lower part of the inner side of each sleeve, the upper wall of each threaded sleeve is connected with a spring, the inner side of each threaded sleeve is meshed with an inner sleeve, the lower side of each inner sleeve is connected with an elastic chuck, the outer part of each elastic chuck is connected with a fastening pipe through threads, and the front side of the left part of each sliding block is provided with a locking component; the utility model has the advantages of safe practicality, adjust efficiency and quality quick, convenient operation, improvement pie chart, and can adjust and draw the circular shape size.

Description

Adjustable pie chart auxiliary drawing device

Technical Field

The utility model belongs to pie chart draws the equipment field, in particular to pie chart auxiliary drawing device with adjustable.

Background

The pie chart is usually used for a statistical model, the proportion of each part can be reflected more intuitively, however, when the pie chart is drawn, because the pie chart needs to draw a complete circle, the traditional pie chart drawing generally uses an arc ruler, the method cannot draw the circle at one time, the size of the circle cannot be adjusted, and the drawing efficiency is low, although the drawing precision is improved, when the lines inside the circle are drawn, the drawing of the lines is completed by the auxiliary blocks forming the cross, however, the auxiliary blocks pass through the circle center, the drawn lines cannot pass through the circle center, the drawing effect of the pie chart is affected, and in the operation process, a chalk is required to be held by hands for drawing, the method can increase the labor amount of drawing the graph, and the drawing time is long, meanwhile, the size of a circle cannot be adjusted by the conventional pie chart drawing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pie chart assists drawing device with adjustable, have safe practicality, adjust efficiency and the quality quick, convenient operation, improvement pie chart, and can adjust the advantage of drawing the circular shape size.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable pie chart auxiliary drawing device comprises a support ring, wherein a dial is arranged on the upper side outside the support ring, a T-shaped sliding groove is arranged on the upper side inside the support ring, T-shaped sliding blocks are symmetrically arranged on the front and back of the inner side of the T-shaped sliding groove in a sliding mode, supporting frames are connected to the upper side of the T-shaped sliding block, sliding rods are symmetrically connected to the left and right of the inner side of each supporting frame in a sliding mode, sliding blocks are arranged in the middle of the two sliding rods in a sliding mode, a scribing component is arranged in the middle of each sliding block and comprises a sleeve, a threaded sleeve is arranged on the lower portion of the inner side of the sleeve in a sliding mode, a spring is connected to the upper wall of each threaded sleeve, an inner sleeve is meshed to the inner side of the threaded sleeve, an elastic chuck is connected to the lower side of the inner sleeve, a fastening pipe is connected to the outer portion of the elastic chuck through threads, a locking component is arranged on the front side of the left portion of the sliding block and comprises a threaded pipe and a clamping jaw, the slide bar outside is all located to screwed pipe and clamping jaw cover, and clamping jaw outside cover is equipped with tight circle, and tight circle outside cover is equipped with tight pipe, tight pipe passes through thread engagement with the screwed pipe, the outside of support ring all is equipped with a plurality of connecting rod, the sucking disc is installed to the outer end of connecting rod.

Preferably, the sleeve penetrates through and is fixed at the center of the sliding block, and the upper end of the spring is fixed on the upper wall of the sleeve.

Preferably, a rubber sleeve is arranged on the inner side of the elastic chuck.

Preferably, the sliding rod is fixedly connected with the supporting frame.

Preferably, the number of the connecting rods is the same as that of the suckers, and the number of the connecting rods and the number of the suckers are 4.

Preferably, the rear end of the threaded pipe is fixedly connected with the sliding block.

Preferably, the upper portion of fastening pipe is provided with the internal thread, and the lower part of fastening pipe sets up to the frustum structure.

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

the utility model is provided with the rotary slide bar which drives the T-shaped slide block to slide in the T-shaped slide groove, thereby driving the scribing component to rotate, when the scribing component rotates for one circle, a round line can be drawn, the drawing is convenient and fast, simultaneously, the sliding block can be locked at any position of the sliding rod by arranging the locking component, thereby being convenient for adjusting the diameter of the circle and drawing the circle with required size according to the requirement, leading the drawing of the pie chart to be more flexible, meanwhile, the spring in the scribing component can always generate certain pressure between the chalk and the blackboard through arranging the scribing component, thereby leading the drawing of the lines to be more stable and smooth, simultaneously ensuring the accuracy of the pie chart by arranging the dial, simultaneously through setting up the sucking disc, can directly fix the support ring to the blackboard for it is more convenient to draw, thereby improves drawing efficiency.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic structural view of the scribing assembly of the present invention.

Fig. 3 is a partial enlarged view of the present invention.

Fig. 4 is a right side view structure diagram of the T-shaped sliding block and the T-shaped sliding groove of the present invention.

In the figure: 1. support ring, 2, dial, 3, T-shaped sliding groove, 4, T-shaped sliding block, 5, support frame, 6, sliding rod, 7, sliding block, 8, marking assembly, 81, sleeve, 82, spring, 83, threaded sleeve, 84, inner sleeve, 85, elastic chuck, 86, fastening tube, 9, locking assembly, 91, threaded tube, 92, clamping claw, 93, clamping ring, 94, pressing tube, 10, connecting rod, 11 and sucker.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-2, the present embodiment provides an adjustable auxiliary pie chart drawing apparatus, including a support ring 1, a dial 2 is disposed on an upper side of an exterior of the support ring 1, a T-shaped sliding slot 3 is disposed on an upper side of an interior of the support ring 1, T-shaped sliding blocks 4 are symmetrically slid in front and back directions inside the T-shaped sliding slot 3, support frames 5 are connected to an upper side of the T-shaped sliding blocks 4, sliding rods 6 are symmetrically connected to inner sides of the two support frames 5 in left and right directions, a sliding block 7 is slid in a middle portion of the two sliding rods 6, a scribing assembly 8 is disposed in a middle portion of the sliding block 7, the scribing assembly 8 includes a sleeve 81, a threaded sleeve 82 is slid in a lower portion of an interior of the sleeve 1, an upper wall of the threaded sleeve 83 is connected with a spring 82, an inner sleeve 84 is engaged with an inner side of the threaded sleeve 83, an elastic collet 85 is connected to a lower side of the inner sleeve 84, a fastening pipe 86 is connected to an exterior of the elastic collet 85 through a thread, the sliding block 7 left part front side is provided with locking Assembly 9, locking Assembly 9 includes screwed pipe 91 and clamping jaw 92, the slide bar 6 outside is all located to screwed pipe 91 and clamping jaw 92 cover, and clamping jaw 92 outside cover is equipped with clamping ring 93, and clamping ring 93 outside cover is equipped with and tightly urges pipe 94, it is tight to urge pipe 94 and screwed pipe 91 through thread engagement, the outside of support ring 1 all is equipped with a plurality of connecting rod 10, sucking disc 11 is installed to the outer end of connecting rod 10.

In order to fix the sleeve 81 and fix the upper end of the spring 82 to the upper wall of the sleeve 81 in this embodiment, it is preferable that the sleeve 81 penetrates and is fixed to the center of the sliding block 7, and the upper end of the spring 82 is fixed to the upper wall of the sleeve 81.

In order to protect the chalk by the rubber sleeve and prevent the elastic chuck 85 from clamping the chalk, in this embodiment, it is preferable that the rubber sleeve is arranged inside the elastic chuck 85.

In order to fix the sliding rod 6, in the present embodiment, it is preferable that the sliding rod 6 is fixedly connected to the supporting frame 5.

In order to ensure that the support ring 1 can be fixed by the suction cups 11, in the embodiment, it is preferable that the number of the connecting rods 10 is the same as that of the suction cups 11, and the number of the connecting rods 10 and the number of the suction cups 11 are 4.

In order to fix the threaded pipe 91, in the present embodiment, it is preferable that the rear end of the threaded pipe 91 is fixedly connected to the sliding block 7.

In order to clamp the chalk inside the elastic collet 85 by the pressing action of the fastening tube 86 on the elastic collet 85, in the present embodiment, it is preferable that an upper portion of the fastening tube 86 is provided with an internal thread and a lower portion of the fastening tube 86 is provided with a frustum structure.

The utility model discloses a theory of operation: firstly, the support ring 1 is fixed to a drawing area on a blackboard through the suction cup 11, then the sliding block 7 is moved, the diameter of a drawn circle is adjusted through moving the position of the sliding block 7, then the pressing pipe 94 is rotated, the pressing pipe 94 drives the clamping ring 93 to move, the clamping ring 93 extrudes the clamping claw 92, so that the clamping claw 92 generates pressure on the sliding rod 6, the sliding block 7 is fixed, the sliding block 7 can be fixed at any position on the sliding rod 6 through the locking assembly 9, therefore, circles with various sizes can be drawn according to the requirements of teachers, when lines in the circles need to be drawn, the locking state of the sliding block 7 can be released only by reversely rotating the pressing pipe 94, then the sliding block 7 is pushed, the sliding block 6 drives the scribing assembly 8 to slide, the sliding block 7 slides along the direction of the sliding rod 6, and the number of the sliding rods 6 is two, can play the effect of stable support to sliding block 7, two slide bars 6 are parallel and about the central symmetry of support ring 1, consequently the chalk of ruling subassembly 9 will be through the centre of a circle of the circle of drawing, thereby make the quality and the precision of drawing the pie chart of guaranteeing to draw, at the in-process of drawing, the spring 82 of ruling subassembly 8 produces thrust to thread bush 83, thread bush 83 drives endotheca 84 and extrudes the chalk, thereby guarantee the smoothness nature of writing, can twist out endotheca 84 from thread bush 83 when the chalk is used up, make and change the chalk convenient and fast more, the utility model discloses convenient operation is nimble, and the drawing is high-efficient and the precision is higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable pie chart auxiliary drawing device comprises a support ring, and is characterized in that: the upper side of the outer part of the support ring is provided with a dial, the upper side of the inner part of the support ring is provided with a T-shaped sliding groove, the inner side of the T-shaped sliding groove is symmetrically provided with T-shaped sliding blocks in a front-back sliding manner, the upper side of the T-shaped sliding block is connected with support frames, the inner sides of the two support frames are symmetrically connected with sliding rods in a left-right manner, the middle parts of the two sliding rods are provided with sliding blocks in a sliding manner, the middle parts of the sliding blocks are provided with scribing components, each scribing component comprises a sleeve, the lower part of the inner side of the sleeve is provided with a threaded sleeve in a sliding manner, the upper wall of the threaded sleeve is connected with a spring, the inner side of the threaded sleeve is meshed with an inner sleeve, the lower side of the inner sleeve is connected with an elastic chuck, the outer part of the elastic chuck is connected with a fastening pipe through threads, the front side of the left part of the sliding block is provided with a locking component, the threaded pipe and the clamping jaw are arranged on the outer side of the sliding rod, and a clamping ring is sleeved on the outer side of the clamping jaw, the clamp ring outside cover is equipped with and tightly forces the pipe, it passes through thread engagement with the screwed pipe to press tightly the pipe, the outside of support ring all is equipped with a plurality of connecting rod, the sucking disc is installed to the outer end of connecting rod.

2. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: the sleeve pipe runs through and is fixed in the sliding block central point and puts, the upper end of spring is fixed in sheathed tube upper wall.

3. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: and a rubber sleeve is arranged on the inner side of the elastic chuck.

4. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: the sliding rod is fixedly connected with the supporting frame.

5. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: the number of the connecting rods is the same as that of the suckers, and the number of the connecting rods and the number of the suckers are 4.

6. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: the rear end of the threaded pipe is fixedly connected with the sliding block.

7. The adjustable pie chart auxiliary drawing apparatus of claim 1, wherein: the upper portion of fastening pipe is provided with the internal thread, the lower part of fastening pipe sets up to the frustum structure.