CN216268391U

CN216268391U - Graphic drawing device for economics

Info

Publication number: CN216268391U
Application number: CN202122758351.7U
Authority: CN
Inventors: 蔡其甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-12
Anticipated expiration: 2031-11-11

Abstract

The utility model provides a graphic drawing device for economics, which belongs to the technical field of drawing devices and comprises a mounting frame and a mounting shell, wherein the mounting shell is clamped in the mounting frame and is connected with the mounting frame through a connecting shaft, a fixing shell is arranged in the mounting shell, a chalk block is arranged in the fixing shell, a mounting ring is arranged at the bottom of the mounting frame, a connecting disc is clamped in the mounting ring, a dial is arranged at the bottom of the connecting disc, a scale mark is arranged on the outer circular surface of the dial, a marking line is arranged at the bottom of the mounting frame, a sucking disc is arranged at the bottom of the dial, and a fixing component is arranged at one end of the mounting frame. Adsorb the sucking disc during use and simply fix on the drawing board, make one side and the drawing board contact of chalk piece, the one hand grips the handle and prevents that the device from taking place the displacement when drawing, through along rotating the drawing of installing the shell alright carrying out fan-shaped statistical chart, the cooperation of accessible identification line and calibrated scale to fan-shaped statistical chart is drawn to the accuracy, makes fan-shaped statistical chart draw more high-efficient accurate.

Description

Graphic drawing device for economics

Technical Field

The utility model belongs to the technical field of drawing devices, and particularly relates to a graphic drawing device for economics.

Background

Economics is the subject of studying various economic activities and various corresponding economic relations of human society in various development stages and the laws of operation and development thereof. During economics teaching, in order to analyze economic trends and quantity trends, two-dimensional graphs are often required to be drawn for analysis, the drawn graphs mainly take bar graphs and sector graphs as main components, teaching contents are more intuitively expressed, and therefore a drawing device is required to be used in the economics teaching process.

For example, chinese patent No. 202020808752.1 provides an economical graphics drawing device, which can use a holding device to hold chalks of different colors, and drive the holding device to move up and down and rotate through a connecting rod to quickly draw a stacked histogram; through the meshing transmission of gear and rack, make the movable block drive longitudinal scale and remove arbitrary distance along the horizontal chi, and the accuracy is higher. Through analyzing above-mentioned patent and combining prior art discovery, the strip statistical chart can only be copied and drawn to current drawing device mostly, and is inconvenient to supplementary drawing to fan-shaped statistical chart.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a graphic drawing device for economics, which aims to solve the technical problems that in the prior art, most of common drawing devices can only copy and draw bar-shaped statistical graphs, and are inconvenient to perform auxiliary drawing on sector statistical graphs.

The purpose and the efficacy of the graphic drawing device for economics are achieved by the following specific technical means:

the utility model provides a graphics drawing device for economics, including mounting bracket and installation shell, the installation shell card is established in the mounting bracket and with the mounting bracket is connected through the connecting axle, be provided with the set casing in the installation shell, be provided with the chalk piece in the set casing, the collar has been seted up to the mounting bracket bottom, the intra-annular card of collar is equipped with the connection pad, the connection pad bottom is provided with the calibrated scale, the outer disc of calibrated scale is provided with the scale mark, the mounting bracket bottom is provided with the sign line, the calibrated scale bottom is provided with the sucking disc, the one end of mounting bracket is provided with fixed subassembly.

According to a preferred embodiment, two sets of fastening pads are arranged in the fixing shell, the fastening pads are made of rubber, and the chalk blocks are clamped between the two sets of fastening pads.

According to a preferred embodiment, the mounting shell is provided with two groups of threaded holes, the two groups of threaded holes are internally provided with threaded knobs in a penetrating manner, one ends of the threaded knobs are provided with clamping plates, the fixing shell is provided with two groups of clamping holes, and the two groups of clamping plates are respectively clamped in the two groups of clamping holes.

According to a preferred embodiment, the dial is provided with a plurality of groups of balls in a clamping manner, the bottom of the mounting frame is provided with an annular groove, and the plurality of groups of balls are arranged in the annular groove.

According to a preferred embodiment, fixed subassembly is including two sets of L type framves, and is two sets of L type frame cross arrangement, the one end of L type frame is provided with the fixture block, the draw-in groove has all been seted up to the both sides of installation shell, and is two sets of be provided with reset spring between the L type frame, the fixed two sets of connection shells that are provided with of one end of mounting bracket, it is two sets of the connection shell is connected through the bolt, the mounting groove has been seted up to one side of connection shell, and is two sets of L type frame all blocks and establishes in the mounting groove.

According to a preferred embodiment, one end of one group of the L-shaped frames is provided with a positioning cylinder, one end of the other group of the L-shaped frames is provided with a positioning column, the positioning column penetrates through the positioning cylinder, and the return spring is sleeved on the positioning column and the positioning cylinder.

According to a preferred embodiment, the connecting shell is provided with two groups of connecting rings, a group of chucks is clamped between the two groups of connecting rings, the chucks are provided with handles, and the handles are sleeved with anti-skidding sleeves.

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

1. this drawing device rotates the installation shell earlier when using along the connecting axle and opens, adsorbs the sucking disc and simply fixes on the drawing board, makes one side and the drawing board contact of chalk piece, and the one hand grips the handle and prevents that the device from taking place the displacement when drawing, through rotating the installation shell alright carry out the drawing of fan-shaped statistical chart, the cooperation of accessible identification line and calibrated scale to accurate drawing fan-shaped statistical chart makes fan-shaped statistical chart draw more high-efficient accurate.

2. Can make the set casing remove in the installation shell through rotating two sets of screw knobs, it is more convenient to make the drawing move the chalk piece, after drawing finishes, can rotate the installation shell along the connecting axle and pack up, press two sets of L type framves and make two sets of fixture blocks open, pack up the installation shell to the mounting bracket in, loosen two sets of L type framves again, control two sets of L type framves under reset spring's effect and reset, make two sets of fixture block cards establish into two sets of draw-in grooves in, fix the installation shell, it carries to make things convenient for should accomodating the device.

Drawings

Fig. 1 is a schematic structural view of the storage state of the present invention.

Fig. 2 is a schematic structural view of a use state of the present invention.

FIG. 3 is a schematic diagram of the structure of the present invention after being disassembled.

Fig. 4 is a schematic structural view of the mounting bracket of the present invention.

Fig. 5 is a schematic structural view of a fixing member according to the present invention.

Fig. 6 is an enlarged schematic view of the region a in fig. 3.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

101. a mounting frame; 102. an annular groove; 103. a mounting ring; 104. a connecting shell; 106. mounting grooves; 107. a connecting ring; 108. marking a line; 201. a dial scale; 202. a connecting disc; 203. a ball bearing; 204. scale lines; 205. a suction cup; 301. a handle; 302. an anti-slip sleeve; 303. a chuck; 401. mounting a shell; 402. a connecting shaft; 403. a threaded hole; 404. a card slot; 405. a threaded knob; 406. clamping a plate; 501. a stationary case; 502. a clamping hole; 503. a chalk block; 504. a fastening pad; 601. an L-shaped frame; 602. a clamping block; 603. a positioning cylinder; 604. a positioning column; 605. a return spring.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the technical solutions of the present invention, but should not be construed to limit the scope of the present invention.

Example (b):

as shown in fig. 1 to 4, the present invention provides an economical graphic drawing device, which comprises a mounting frame 101 and a mounting shell 401, wherein the mounting shell 401 is clamped in the mounting frame 101 and connected with the mounting frame 101 through a connecting shaft 402. The mounting shell 401 can be rotated along the connecting shaft 402 to be opened or retracted, so that the device can be conveniently folded and stored, and is convenient to carry.

Be provided with set casing 501 in the installation shell 401, be provided with chalk piece 503 in the set casing 501, collar 103 has been seted up to mounting bracket 101 bottom, and the inside callipers of collar 103 is equipped with connection pad 202, and connection pad 202 bottom is provided with calibrated scale 201, and calibrated scale 201's outer disc is provided with scale mark 204, and mounting bracket 101 bottom is provided with sign line 108, and calibrated scale 201 bottom is provided with sucking disc 205, and the one end of mounting bracket 101 is provided with fixed subassembly.

Set up set casing 501 in installation shell 401 and be used for installing chalk piece 503, mounting bracket 101 can be followed connection pad 202 and rotated, fix sucking disc 205 bottom mounting bracket 101 in drawing area during the use, make the side and the drawing board (not shown) contact of chalk piece 503, rotate installation shell 401 along connection pad 202 again and can accomplish the drawing of fan-shaped statistical chart, can manually pack the region that sucking disc 205 sheltered from after drawing, reduce the work load that fan-shaped statistical chart was drawn, accessible marking line 108 and the accurate rotation angle of control installation shell 401 of scale mark 204, and then improve the accuracy of drawing, installation shell 401 is accomodate the fixed subassembly of back accessible and is fixed, prevent that installation shell 401 is automatic to be opened at the in-process of carrying.

As shown in fig. 3, two sets of fastening pads 504 are disposed in the fixing housing 501, the fastening pads 504 are made of rubber, and the chalk block 503 is clamped between the two sets of fastening pads 504. Set up fastening pad 504 and be used for fastening chalk piece 503, prevent that the in-process chalk piece 503 of drawing or carrying from dropping, improved the device's practicality, can change chalk piece 503, draw the different region of fan-shaped statistical chart through the chalk piece 503 of different colours, make the data show more directly perceived.

As shown in fig. 1 to 3, two sets of threaded holes 403 are formed in the mounting shell 401, threaded knobs 405 are respectively inserted into the two sets of threaded holes 403, clamping plates 406 are arranged at one ends of the threaded knobs 405, two sets of clamping holes 502 are formed in the fixing shell 501, and the two sets of clamping plates 406 are respectively clamped in the two sets of clamping holes 502. Can produce certain loss after chalk piece 503 draws, when chalk piece 503 can't contact with the drawing board, the accessible rotates two sets of screw knobs 405, drives stationary housing 501 through the screw motion and removes in installation shell 401, and then makes chalk piece 503 remove to contact with the drawing board to make things convenient for subsequent drawing.

As shown in fig. 3 and 4, a plurality of groups of balls 203 are clamped on the dial 201, an annular groove 102 is formed at the bottom of the mounting frame 101, and the plurality of groups of balls 203 are all arranged in the annular groove 102. The balls 203 are arranged to reduce the friction between the dial 201 and the mounting frame 101, so that the situation that the mounting frame 101 cannot rotate due to the fact that the friction is too large when one end of the device is pressed to make the device contact with a drawing board is avoided, and further drawing is more labor-saving.

As shown in fig. 3, 5, and 6, in some embodiments, the fixing component includes two sets of L-shaped frames 601, the two sets of L-shaped frames 601 are disposed in a crossing manner, one end of each L-shaped frame 601 is provided with a fixture block 602, two sides of the mounting shell 401 are both provided with a fixture groove 404, a return spring 605 is disposed between the two sets of L-shaped frames 601, one end of the mounting rack 101 is fixedly provided with two sets of connecting shells 104, the two sets of connecting shells 104 are connected through bolts, one side of the connecting shell 104 is provided with a mounting groove 106, and the two sets of L-shaped frames 601 are both clamped in the mounting groove 106.

Two sets of L type frame 601's one end all projects the outer disc of connecting shell 104, the accessible is pressed two sets of L type frame 601 salient parts and is that the one end of two sets of L type frame 601 folds, because two sets of L type frame 601 are the cross arrangement, when the one end of L type frame 601 folds, its other end just can be opened, alright rotate the installation shell 401 and accomodate to the mounting bracket 101 in, two sets of L type frame 601 are loosened to the installation shell 401 after accomodating, control two sets of L type frame 601 and reset under reset spring 605's effect, and then establish two sets of fixture blocks 602 card respectively and fix the one end of installation shell 401 in two sets of draw-in grooves 404, prevent that installation shell 401 from opening when carrying the device.

As shown in fig. 5 and 6, one end of one of the L-shaped frames 601 is provided with a positioning cylinder 603, one end of the other L-shaped frame 601 is provided with a positioning column 604, the positioning column 604 is inserted into the positioning cylinder 603, and a return spring 605 is sleeved on the positioning column 604 and the positioning cylinder 603. The positioning cylinder 603 and the positioning column 604 are arranged to position the movement tracks of the two groups of L-shaped frames 601, so that the two groups of L-shaped frames 601 are prevented from being fixed to the mounting shell 401 insufficiently due to deviation in movement.

As shown in fig. 1 to 3, the two sets of connecting shells 104 are both provided with connecting rings 107, a set of chucks 303 is clamped between the two sets of connecting rings 107, the chucks 303 are provided with handles 301, and the handles 301 are sleeved with anti-slip sleeves 302. One end of the handle 301 can rotate along the axis of the connecting ring 107, the handle 301 is arranged to facilitate auxiliary fixing of the device, and the anti-slip sleeve 302 is arranged to prevent the handle 301 from sliding during drawing, so that the drawing process is more stable and convenient.

The specific use mode and function of the embodiment are as follows:

this drawing device rotates earlier installation shell 401 along connecting axle 402 when using and opens, adsorbs sucking disc 205 and simply fixes on the drawing board, makes one side and the drawing board contact of chalk piece 503, and the one hand grips handle 301 and prevents that the device from taking place the displacement when drawing, through rotating installation shell 401 alright carry out the drawing of fan-shaped statistical chart, accessible sign line 108 and dial 201's cooperation to fan-shaped statistical chart is drawn to accurate, makes fan-shaped statistical chart draw more high-efficient accurate.

Can make set casing 501 remove in installation shell 401 through rotating two sets of screw knobs 405, it is more convenient to shift out chalk piece 503 and make the drawing, after drawing finishes, can rotate installation shell 401 along connecting axle 402 and pack up, press two sets of L type framves 601 and make two sets of fixture blocks 602 open, pack up installation shell 401 to the mounting bracket 101 in, loosen two sets of L type framves 601 again, control two sets of L type framves 601 and reset under reset spring 605's effect, make two sets of fixture blocks 602 block establish into two sets of draw-in grooves 404 in, fix installation shell 401, the convenience is accomodate the device and is carried.

The basic principles and the main features of the utility model and the advantages of the utility model have been shown and described above, it being obvious to a person skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments.

Claims

1. The graphics drawing device for economics is characterized in that: including mounting bracket (101) and installation shell (401), installation shell (401) card is established in mounting bracket (101) and with mounting bracket (101) are connected through connecting axle (402), be provided with set casing (501) in installation shell (401), be provided with chalk piece (503) in set casing (501), collar (103) have been seted up to mounting bracket (101) bottom, collar (103) inside callipers is equipped with connection pad (202), connection pad (202) bottom is provided with calibrated scale (201), the outer disc of calibrated scale (201) is provided with scale mark (204), mounting bracket (101) bottom is provided with identification line (108), calibrated scale (201) bottom is provided with sucking disc (205), the one end of mounting bracket (101) is provided with fixed subassembly.

2. The graphic drawing device for economics of claim 1 wherein: two groups of fastening pads (504) are arranged in the fixed shell (501), the fastening pads (504) are made of rubber, and the chalk blocks (503) are clamped between the two groups of fastening pads (504).

3. The graphic drawing device for economics of claim 1 wherein: the mounting shell (401) is provided with two groups of threaded holes (403), the two groups of threaded holes (403) are internally provided with threaded knobs (405) in a penetrating manner, one ends of the threaded knobs (405) are provided with clamping plates (406), the fixing shell (501) is provided with two groups of clamping holes (502), and the two groups of clamping plates (406) are respectively clamped in the two groups of clamping holes (502).

4. The graphic drawing device for economics of claim 1 wherein: the dial (201) is provided with a plurality of groups of balls (203), the bottom of the mounting rack (101) is provided with an annular groove (102), and the balls (203) are all arranged in the annular groove (102).

5. The graphic drawing device for economics of claim 1 wherein: the fixing assembly comprises two groups of L-shaped frames (601), the L-shaped frames (601) are arranged in a crossed mode, a clamping block (602) is arranged at one end of each L-shaped frame (601), clamping grooves (404) are formed in the two sides of the installation shell (401), a reset spring (605) is arranged between the L-shaped frames (601), two groups of connection shells (104) are fixedly arranged at one end of the installation rack (101), the connection shells (104) are connected through bolts, an installation groove (106) is formed in one side of each connection shell (104), and the L-shaped frames (601) are all clamped in the installation groove (106).

6. The graphic drawing device for economics of claim 5 wherein: one end of one group of the L-shaped frames (601) is provided with a positioning cylinder (603), one end of the other group of the L-shaped frames (601) is provided with a positioning column (604), the positioning column (604) penetrates through the positioning cylinder (603), and the return spring (605) is sleeved on the positioning column (604) and the positioning cylinder (603).

7. The graphic drawing device for economics of claim 5 wherein: two sets of all be provided with connecting ring (107) on connecting shell (104), two sets of the card is equipped with a set of chuck (303) between connecting ring (107), be provided with handle (301) on chuck (303), the cover is equipped with anti-skidding cover (302) on handle (301).