CN216211765U

CN216211765U - Curve ruler for economics teaching

Info

Publication number: CN216211765U
Application number: CN202122175811.3U
Authority: CN
Inventors: 路德慧
Original assignee: Chengdu Polytechnic
Current assignee: Chengdu Polytechnic
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-05
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a curve ruler for economics teaching, which relates to the field of curve rulers for economics teaching. The utility model relates to a curve ruler for economics teaching, wherein the marking line is made of soft material, and can conveniently mark the lengths of regular and irregular shapes.

Description

Curve ruler for economics teaching

Technical Field

The utility model relates to the field of a curve ruler for economics teaching, in particular to a curve ruler for economics teaching.

Background

The economics is a subject for researching various economic activities and various corresponding economic relations of the human society in various development stages and the operation and development rules of the economic relations, the core idea of the economics is the scarcity of materials and the effective utilization of resources, the core idea of the economics can be divided into two main branches, the economics derives the cross-edge subjects of the evolution securities science, the behavior economics and the like, the economic research and application are more and more concerned by the nation and the people along with the high-speed development of the national economy, and the theoretical system and the application are continuously perfected and developed.

The existing curve ruler for the economics teaching has limitations, the existing curve ruler can only measure a few regular curve graphs, most economics curved surface graphs cannot be measured, the curve ruler is very inconvenient to use, and great defects exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a curve ruler for economics teaching, which can effectively solve the problem that only a few regular curve graphs can be measured by the curve ruler in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: a curve ruler for economics teaching comprises a supporting device, a rotating device, a fixing device, an adjusting device and a measuring device, wherein the supporting device comprises a vertical plate, a cylinder and a separation ring, the outer surface of the cylinder is connected with the upper surface of the vertical plate, the separation ring is installed on the outer surface of the cylinder, the rotating device comprises a circular shaft, a connecting rod, a marking line, a fixed circular block and a butt rod, a circular hole is formed in one side surface of the cylinder, one end of the circular shaft penetrates through the circular hole to be matched with the cylinder in a rotating mode, the marking line is installed on the outer surface of the circular shaft, two ends of the connecting rod are respectively connected with one side surface of the circular shaft and one side surface of the fixed circular block, one end of the butt rod is connected with the outer surface of the fixed circular block, the fixing device comprises a square column groove block and an adjusting spring, one side surface of the square column groove block is connected with one side surface of the vertical plate, and two ends of the adjusting spring are respectively connected with the inner lower surface of the square column groove block and the inner upper surface of the square column groove block, adjusting device includes slider, about board and line hole, slider lower surface and regulating spring upper surface connection, about board side surface is connected with slider side surface, about board upper surface is equipped with the installing port, the line hole is connected with the installing port, measuring device includes that first measurement board, second measure board and third measure the board, first measurement board side surface is connected with riser side surface, first measurement board side surface is equipped with first square hole, first square hole and first measurement board sliding fit are passed to second measurement board one end, second measurement board side surface is equipped with the second square hole, third measurement board one end is passed the second square hole and is measured board sliding fit with the second.

Preferably, the supporting device further comprises a connecting transverse plate, one side surface of the connecting transverse plate is connected with one side surface of the vertical plate, and the connecting transverse plate plays a role in supporting the vertical plate.

Preferably, rotary device still includes holding rod and sponge circle, holding rod one end and butt joint pole surface connection, the sponge circle is installed in the holding rod surface, and wherein the sponge circle plays the effect of alleviating staff's palm pressure.

Preferably, the fixing device further comprises a vertical plate and a clamping groove, one side surface of the vertical plate is connected with one side surface of the square column groove block, an installation notch is formed in one side surface of the vertical plate, the clamping groove is connected with the installation notch, and the clamping groove plays a role in buckling and positioning.

Preferably, adjusting device still includes that the location is rectangular, slider side surface is equipped with square groove, rectangular one end of location is passed square groove and slider sliding fit, and wherein the rectangular effect that plays location restriction mark line of location.

Preferably, the measuring device further comprises a first handle and a second handle, one side surface of the first handle is connected with one side surface of the second measuring plate, one side surface of the second handle is connected with one side surface of the third measuring plate, and the first handle and the second handle both play a role in auxiliary measurement.

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

the utility model can conveniently mark the lengths of regular and irregular shapes by arranging the round shaft and the marking line which is made of soft materials, thereby conveniently and quickly measuring the lengths of various economics teaching patterns.

According to the utility model, the square column groove block and the adjusting spring are arranged, the adjusting spring can be pressed down to restrain the marking line during measurement so as to improve the measurement precision, and after the measurement is finished, the marking line is collected by utilizing the automatic recovery function of the adjusting spring, so that the operation is convenient and rapid.

According to the utility model, the first measuring plate, the second measuring plate and the third measuring plate are arranged, the length of the graph is measured by the mark line, and then the length of the mark line is measured by the measuring plate, so that the length of the graph is measured in a phase-changing manner.

Drawings

FIG. 1 is a schematic view of an overall external structure of a curve ruler for economics teaching according to the present invention;

FIG. 2 is a schematic view of a first perspective structure of a curve ruler for economics teaching;

FIG. 3 is a schematic diagram of a second perspective structure of a curve ruler for economics teaching;

FIG. 4 is a schematic view of a third perspective of the curve ruler for economics teaching of this invention;

fig. 5 is a schematic structural view of a fixing device and an adjusting device of a curve ruler for economics teaching of the present invention.

In the figure: 100. a support device; 110. a vertical plate; 120. a cylinder; 130. blocking the circular ring; 140. connecting the transverse plates; 200. a rotating device; 210. a circular shaft; 220. a connecting rod; 230. marking a line; 240. fixing the round block; 250. a docking rod; 260. a holding rod; 270. a sponge ring; 300. a fixing device; 310. a square column groove block; 320. adjusting the spring; 330. a vertical plate; 340. a card slot; 400. an adjustment device; 410. a slider; 420. a restraint plate; 430. a wire hole; 440. positioning the strip; 500. a measuring device; 510. a first measuring plate; 520. a second measuring plate; 530. a third measuring plate; 540. a first grip; 550. a second grip.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention is a curve ruler for economics teaching, including a supporting device 100, a rotating device 200, a fixing device 300, an adjusting device 400 and a measuring device 500, wherein the supporting device 100 includes a vertical plate 110, a cylinder 120 and a blocking ring 130, the outer surface of the cylinder 120 is connected to the upper surface of the vertical plate 110, the blocking ring 130 is installed on the outer surface of the cylinder 120, the rotating device 200 includes a circular shaft 210, a connecting rod 220, a marking line 230, a fixed circular block 240 and an opposite connecting rod 250, one side surface of the cylinder 120 is provided with a circular hole, one end of the circular shaft 210 passes through the circular hole to be rotatably matched with the cylinder 120, the marking line 230 is installed on the outer surface of the circular shaft 210, two ends of the connecting rod 220 are respectively connected to one side surface of the circular shaft 210 and one side surface of the fixed circular block 240, one end of the opposite connecting rod 250 is connected to the outer surface of the fixed circular block 240, the fixing device 300 includes a square column groove block 310 and an adjusting spring 320, one side surface of the square column groove block 310 is connected with one side surface of the vertical plate 110, two ends of the adjusting spring 320 are respectively connected with the inner lower surface of the square column groove block 310 and the inner upper surface of the square column groove block 310, the adjusting device 400 comprises a sliding block 410, a constraint plate 420 and a wire hole 430, the lower surface of the sliding block 410 is connected with the upper surface of the adjusting spring 320, one side surface of the constraint plate 420 is connected with one side surface of the sliding block 410, the upper surface of the constraint plate 420 is provided with a mounting hole, the wire hole 430 is connected with the mounting hole, the measuring device 500 comprises a first measuring plate 510, the measuring device comprises a second measuring plate 520 and a third measuring plate 530, wherein one side surface of the first measuring plate 510 is connected with one side surface of the vertical plate 110, a first square hole is formed in one side surface of the first measuring plate 510, one end of the second measuring plate 520 penetrates through the first square hole to be in sliding fit with the first measuring plate 510, a second square hole is formed in one side surface of the second measuring plate 520, and one end of the third measuring plate 530 penetrates through the second square hole to be in sliding fit with the second measuring plate 520.

Further, the supporting device 100 further includes a connecting cross plate 140, a side surface of the connecting cross plate 140 is connected with a side surface of the riser 110, wherein the connecting cross plate 140 plays a role of supporting the riser 110.

Further, the rotating device 200 further comprises a holding rod 260 and a sponge ring 270, wherein one end of the holding rod 260 is connected with the outer surface of the butt joint rod 250, the sponge ring 270 is installed on the outer surface of the holding rod 260, and the sponge ring 270 plays a role in relieving the pressure of the palm of the worker.

Further, the fixing device 300 further includes a vertical plate 330 and a clamping groove 340, a side surface of the vertical plate 330 is connected with a side surface of the square column groove block 310, a side surface of the vertical plate 330 is provided with an installation notch, the clamping groove 340 is connected with the installation notch, and the clamping groove 340 plays a role in fastening and positioning.

Further, the adjusting device 400 further comprises a positioning strip 440, a square groove is formed in one side surface of the sliding block 410, one end of the positioning strip 440 penetrates through the square groove to be in sliding fit with the sliding block 410, and the positioning strip 440 plays a role in positioning the restriction mark line 230.

Further, the measuring device 500 further includes a first handle 540 and a second handle 550, a side surface of the first handle 540 is connected to a side surface of the second measuring board 520, a side surface of the second handle 550 is connected to a side surface of the third measuring board 530, wherein the first handle 540 and the second handle 550 both play a role of assisting measurement.

The working principle of the utility model is as follows:

referring to fig. 1-5, the present invention is a curve ruler for economics teaching, wherein a teacher holds a grip 260 to rotate a circular shaft 210 to drive a mark line 230 to extend for measurement, wherein the mark line 230 passes through a line hole 430, then pulls a positioning strip 440 to restrain and fix the mark line 230 by pressing an adjusting spring 320 with a slider 410, thereby improving the measurement accuracy, the length of the pattern is measured by using the mark line 230, and then the length of the mark line 230 is measured by using a first measuring plate 510, a second measuring plate 520 and a third measuring plate 530, thereby changing the length of the measured pattern.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A kind of economics teaching uses the curved rule, characterized by that: including strutting arrangement (100), rotary device (200), fixing device (300), adjusting device (400) and measuring device (500), strutting arrangement (100) includes riser (110), drum (120) and separation ring (130), surface connection on drum (120) surface and riser (110), separation ring (130) are installed in drum (120) surface, rotary device (200) includes round axle (210), connecting rod (220), mark line (230), fixed circle piece (240) and butt joint pole (250), drum (120) side surface is equipped with the round hole, round axle (210) one end is passed the round hole and is rotated and cooperated with drum (120), mark line (230) are installed in round axle (210) surface, connecting rod (220) both ends are connected with round axle (210) side surface and fixed circle piece (240) side surface respectively, one end of the butt joint rod (250) is connected with the outer surface of the fixed round block (240), the fixing device (300) comprises a square column groove block (310) and an adjusting spring (320), one side surface of the square column groove block (310) is connected with one side surface of the vertical plate (110), two ends of the adjusting spring (320) are respectively connected with the inner lower surface of the square column groove block (310) and the inner upper surface of the square column groove block (310), the adjusting device (400) comprises a sliding block (410), a constraint plate (420) and a wire hole (430), the lower surface of the sliding block (410) is connected with the upper surface of the adjusting spring (320), one side surface of the constraint plate (420) is connected with one side surface of the sliding block (410), the upper surface of the constraint plate (420) is provided with a mounting hole, the wire hole (430) is connected with the mounting hole, the measuring device (500) comprises a first measuring plate (510), a second measuring plate (520) and a third measuring plate (530), the measuring device is characterized in that one side surface of the first measuring plate (510) is connected with one side surface of the vertical plate (110), a first square hole is formed in one side surface of the first measuring plate (510), one end of the second measuring plate (520) penetrates through the first square hole to be in sliding fit with the first measuring plate (510), a second square hole is formed in one side surface of the second measuring plate (520), and one end of the third measuring plate (530) penetrates through the second square hole to be in sliding fit with the second measuring plate (520).

2. A curve ruler for economics teaching as claimed in claim 1 wherein: the supporting device (100) further comprises a connecting transverse plate (140), and one side surface of the connecting transverse plate (140) is connected with one side surface of the vertical plate (110).

3. A curve ruler for economics teaching as claimed in claim 1 wherein: the rotating device (200) further comprises a holding rod (260) and a sponge ring (270), one end of the holding rod (260) is connected with the outer surface of the butt joint rod (250), and the sponge ring (270) is installed on the outer surface of the holding rod (260).

4. A curve ruler for economics teaching as claimed in claim 1 wherein: the fixing device (300) further comprises a vertical plate (330) and a clamping groove (340), one side surface of the vertical plate (330) is connected with one side surface of the square column groove block (310), one side surface of the vertical plate (330) is provided with an installation notch, and the clamping groove (340) is connected with the installation notch.

5. A curve ruler for economics teaching as claimed in claim 1 wherein: adjusting device (400) still includes location rectangular (440), slider (410) one side surface is equipped with square groove, rectangular (440) one end in location is passed square groove and slider (410) sliding fit.

6. A curve ruler for economics teaching as claimed in claim 1 wherein: the measuring device (500) further comprises a first handle (540) and a second handle (550), wherein one side surface of the first handle (540) is connected with one side surface of the second measuring plate (520), and one side surface of the second handle (550) is connected with one side surface of the third measuring plate (530).