CN209945170U

CN209945170U - Portable dipperstick for mathematical education

Info

Publication number: CN209945170U
Application number: CN201920829848.3U
Authority: CN
Inventors: 秦玮; 冯煜; 陈希; 张力宁; 张瑾; 马原原
Original assignee: Xian University
Current assignee: Xian University
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-14
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a dipperstick for portable mathematical education belongs to teaching articles for use technical field, including first chi section, second chi section and third chi section, first chi section, second chi section and third chi section set gradually by left-hand to right side, first chi section is installed in second chi section one side through closing leaf group one, the third chi section is installed at second chi section opposite side through closing leaf group two, first chi section, all be provided with the cavity in second chi section and the third chi section, be provided with the track groove on the inner wall of cavity, be provided with the removal clamp splice on the track groove, remove the clamp splice both ends and all be provided with the clamp groove, remove the clamp splice and establish on the track groove through the clamp groove card, the utility model discloses novel structure can fold, reduces occupation space, conveniently carries, can help the reading during the measurement, lets the reading more accurate.

Description

Portable dipperstick for mathematical education

Technical Field

The utility model relates to a dipperstick is used in portable mathematical education belongs to teaching articles for use technical field.

Background

Mathematics is always an important subject, mathematics is the main subject when first contacting textbook knowledge, all aspects of knowledge need to be learned in the teaching process, and various auxiliary tools also need to be used, wherein the measuring ruler is a common teaching tool which is used very frequently, the measuring ruler is only used for measuring the length of an object or a plane line segment, but most of the existing measuring rulers have certain defects, on one hand, many measuring rulers are long in length, so that the measuring rulers are not easy to be carried in bags or pockets, and are generally carried by hands when being carried, so that the measuring rulers are very troublesome, on the other hand, when the measuring ruler is too long, scale lines are dense, and the situation of reading errors is easy to occur after multiple times of reading, so that the measuring result is influenced, and a portable measuring ruler for mathematical teaching is needed at present to help to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a dipperstick for portable mathematical education, can effectively solve the problem in the background art, the utility model discloses novel structure can fold, reduces occupation space, conveniently carries, can help the reading during the measurement, lets the reading more accurate.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a portable dipperstick for mathematical education, includes first chi section, second chi section and third chi section, first chi section second chi section with third chi section is set gradually from left to right, first chi section is installed through closing leaf group one second chi section one side, the third chi section is installed through closing leaf group two second chi section opposite side, first chi section second chi section with all be provided with the cavity in the third chi section, be provided with the track groove on the inner wall of cavity, be provided with the removal clamp splice on the track groove, it all is provided with the clamp groove to remove clamp splice both ends, it passes through to remove the clamp splice the clamp groove card is established on the track groove.

Furthermore, a groove is formed in the movable clamping block, a rotating block is installed in the groove through a rotating shaft, and an indicating rod is welded on one side of the rotating block.

Further, the bottom of the groove is in a circular arc shape, and the rotating block is in a cylindrical shape.

Further, the first scale segment, the second scale segment and the third scale segment are all marked with scale marks.

Further, the length of the graduation mark is 5 cm.

Further, the first scale segment and the third scale segment are the same in size and dimension.

The utility model discloses beneficial effect:

the utility model can rotate and fold the first ruler section and the third ruler section to the two sides of the second ruler section through the first hinge group and the second hinge group, thereby greatly reducing the occupied space and being convenient to be put into a bag for carrying or carry about; the utility model discloses when carrying out length measurement to object or plane line segment, through the slip removal clamp splice to rotate the pilot lever, with the pilot lever perpendicular to measured object, the contact position on pilot lever and the scale mark this moment is exactly measuring length, thereby it is more convenient to let the reading, and can increase the accuracy, and the utility model discloses a length and scale segment quantity can be selected according to the in-service use condition.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of a second scale of the present invention.

Fig. 3 is a perspective view of the movable clamping block of the present invention.

Fig. 4 is a side view of the utility model when folded.

Number 1 in the figure, first ruler segment; 2. a second ruler section; 3. a third ruler section; 4. combining leaves to obtain a first leaf combination; 5. a second leaf combination; 6. a track groove; 7. moving the clamping block; 8. a clamping groove; 9. a groove; 10. a rotating shaft; 11. rotating the block; 12. an indication lever; 13. scale lines are marked.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a portable measuring scale for mathematical education, including first chi paragraph 1, second chi paragraph 2 and third chi paragraph 3, first chi paragraph 1, second chi paragraph 2 and third chi paragraph 3 set gradually from left to right, first chi paragraph 1 is installed in second chi paragraph 2 one side through a hinge group 4, third chi paragraph 3 is installed in second chi paragraph 2 opposite side through hinge group two 5, first chi paragraph 1, all be provided with the cavity in second chi paragraph 2 and the third chi paragraph 3, be provided with track groove 6 on the inner wall of cavity, be provided with removal clamp splice 7 on track groove 6, remove clamp splice 7 both ends and all be provided with clamp groove 8, it establishes on track groove 6 to remove clamp splice 7 through clamp groove 8 card.

The movable clamping block 7 is provided with a groove 9, a rotating block 11 is arranged in the groove 9 through a rotating shaft 10, and an indicating rod 12 is welded on one side of the rotating block 11, so that when the reading is carried out, the rotating block 11 is rotated to align the indicating rod to the measured object, the reading can be conveniently carried out, and the accuracy can be improved; the bottom of the groove 9 is arc-shaped, and the rotating block 11 is cylindrical, so that the rotating block 11 can rotate more smoothly; scale marks 13 are marked on the first scale section 1, the second scale section 2 and the third scale section 3, and the scale marks can be observed conveniently; the length of the scale mark 13 is 5cm, so that the utility model has shorter length after being folded, occupies small space when being carried and is more convenient to carry; the first ruler section 1 and the third ruler section 3 are the same in size, so that the lengths of the two sides after folding are the same.

The utility model discloses the theory of operation: when the utility model is used, the first ruler section 1 and the third ruler section 3 can be rotated and folded to two sides of the second ruler section 2 through the hinge group I4 and the hinge group II 5, so that the first ruler section 1 and the third ruler section 3 can be pressed close to the second ruler section 2 at two sides, thereby greatly reducing the occupied space, being convenient to put into a bag to carry or carry with, when needing to measure, the utility model can be unfolded through the hinge group I4 and the hinge group II 5, the ruler section range of the end of the measured object is observed, then the movable clamping block 7 in the ruler section is moved to the rear of the measured object, then the indicating rod 12 is rotated to the position vertical to the ruler section through the rotating shaft 10, the measured object is tightly attached to one side of the indicating rod 12 by moving the movable clamping block 7, the contact position of the indicating rod 12 and the scale mark 13 is the measuring length, thereby the utility model can directly read, can fold, reduce occupation space, conveniently carry, can help the reading during the measurement, make the reading more accurate.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a dipperstick for portable mathematics teaching, includes first chi section (1), second chi section (2) and third chi section (3), its characterized in that: first chi section (1), second chi section (2) with third chi section (3) are set gradually from left to right, first chi section (1) is installed through closing leaf group (4) second chi section (2) one side, third chi section (3) is installed through closing leaf group two (5) second chi section (2) opposite side, first chi section (1) second chi section (2) with all be provided with the cavity in third chi section (3), be provided with track groove (6) on the inner wall of cavity, be provided with on track groove (6) and remove clamp splice (7), it all is provided with clamp groove (8) to remove clamp splice (7) both ends, it passes through to remove clamp splice (7) clamp groove (8) card is established on track groove (6).

2. The portable ruler for mathematics teaching as claimed in claim 1, wherein: the movable clamping block (7) is provided with a groove (9), a rotating block (11) is installed in the groove (9) through a rotating shaft (10), and an indicating rod (12) is welded on one side of the rotating block (11).

3. The portable ruler for mathematics teaching as claimed in claim 2, wherein: the bottom of the groove (9) is arc-shaped, and the rotating block (11) is cylindrical.

4. The portable ruler for mathematics teaching as claimed in claim 1, wherein: scale marks (13) are marked on the first scale section (1), the second scale section (2) and the third scale section (3).

5. The portable ruler for mathematics teaching as claimed in claim 4, wherein: the length of the scale mark (13) is 5 cm.

6. The portable ruler for mathematics teaching as claimed in claim 1, wherein: the first ruler section (1) and the third ruler section (3) are the same in size.