CN211764533U

CN211764533U - Multi-functional mathematics teaching aid

Info

Publication number: CN211764533U
Application number: CN202020023946.0U
Authority: CN
Inventors: 周颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-27
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a multi-functional mathematics teaching aid relates to mathematics teaching aid technical field, and it is not very convenient to use for solving current multi-functional mathematics teaching aid, and the security is not very high problem. The front end of stating the protractor is provided with portable hole, first adjustable bolt is installed to the below of protractor front end, first scalable ruler is installed to one side of protractor, the scalable ruler of second is installed to the opposite side of protractor, the fixed strip is all installed to the top of the scalable ruler of first scalable ruler and second, and first scalable ruler and the scalable ruler of second pass through pivot fixed connection with the fixed strip, first ruler strip is installed to one side of first scalable ruler, the second ruler strip is installed to one side of the scalable ruler of second.

Description

Multi-functional mathematics teaching aid

Technical Field

The utility model relates to a mathematics teaching aid technical field specifically is a multi-functional mathematics teaching aid.

Background

In children's teaching process, can be according to children's interest and the combination of teaching purpose, many various kinds of teaching aids can appear for the teaching aid of guide education enlightens children's study hands-on ability, and these teaching aids need have multiple functions when using, and the mathematical education of being convenient for needs very high security performance moreover, can not miss the children of hurting.

However, the existing multifunctional mathematics teaching aid is not very convenient to use and has not very high safety; therefore, the multifunctional mathematical teaching aid does not meet the existing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional mathematics teaching aid to it is not very convenient to put forward current multi-functional mathematics teaching aid and use in solving above-mentioned background art, and the security is not very high problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional mathematics teaching aid, includes the protractor, the front end of protractor is provided with portable hole, first adjustable bolt is installed to the below of protractor front end, first scalable ruler is installed to one side of protractor, the scalable ruler of second is installed to the opposite side of protractor, the fixed strip is all installed to the top of the scalable ruler of first scalable ruler and second, and just first scalable ruler and the scalable ruler of second pass through pivot fixed connection with the fixed strip, first ruler strip is installed to one side of first scalable ruler, the second ruler strip is installed to one side of the scalable ruler of second.

Preferably, the front end and the rear end of first ruler strip and second ruler strip all are provided with the pull spout, the connecting block is installed to the opposite side of first ruler strip, the adjustable bolt of second is installed to the front end of connecting block, the fixation clamp is installed to the top of connecting block, just the connecting block passes through bolted connection with the fixation clamp, the internally mounted of fixation clamp has the pen that can wipe the oil.

Preferably, a third adjustable bolt is installed on one side of the front end of the second straight ruler strip, and a magnet adsorption head is installed on the other side of the second straight ruler strip.

Preferably, one side of the second straight rule strip is provided with an installation block, one side of the first straight rule strip is provided with a clamping block, and the first straight rule strip is connected with the clamping block in a sealing mode.

Preferably, limiting slide blocks are arranged inside the first telescopic ruler and the second telescopic ruler, and four limiting slide blocks are arranged.

Preferably, the anti-skidding gasket is installed to the inner wall of fixation clamp, the soft silica gel gasket is all installed to the top of first ruler strip and second ruler strip, and first ruler strip and second ruler strip are pasted with the soft silica gel gasket and are connected.

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

1. the utility model discloses a through combining ruler, protractor and compasses together, the practicality is higher, through set up a portable hole at the front end of protractor, the person of facilitating the use carries, conveniently hangs simultaneously, through installing a first adjustable bolt in the below of protractor, through adjusting first adjustable bolt, can fix first scalable ruler and second scalable ruler, the person of facilitating the use is practical, through installing the fixation clamp in one side of first ruler strip and installing a magnet adsorption head on the second ruler strip, through the regulation of first adjustable bolt, can become secondary device into the compasses and use, effectively promoted the perfection of device;

2. the utility model discloses a fixed strip is all installed in the top of the scalable ruler of first scalable ruler and second, and through rotating the fixed strip, the below of fixed strip contacts the soft silica gel gasket of first ruler strip and second ruler strip top, through the extrusion soft silica gel gasket, realizes the fixed of first ruler strip and second ruler strip, and it is very convenient to use.

Drawings

FIG. 1 is a front view of a multifunctional mathematics teaching aid of the present invention;

FIG. 2 is a cross-sectional view of a multi-functional mathematical teaching aid of the present invention;

fig. 3 is a cross-sectional view of a first retractable ruler of the present invention.

In the figure: 1. a protractor; 2. a portable hole; 3. a first adjustable bolt; 4. a first retractable straightedge; 5. a second retractable straightedge; 6. a fixing strip; 7. a first ruler strip; 8. a second straight blade; 9. a pull chute; 10. connecting blocks; 11. a second adjustable bolt; 12. a fixing clip; 13. the oil pen can be erased; 14. a third adjustable bolt; 15. a magnet adsorption head; 16. mounting blocks; 17. a clamping block; 18. a limiting slide block; 19. an anti-slip gasket; 20. soft silica gel pad.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a multi-functional mathematics teaching aid, including protractor 1, protractor 1's front end is provided with portable hole 2, first adjustable bolt 3 is installed to the below of protractor 1 front end, first scalable ruler 4 is installed to one side of protractor 1, the scalable ruler 5 of second is installed to protractor 1's opposite side, the fixed strip 6 is all installed to the top of the scalable ruler 5 of first scalable ruler 4 and second, and first scalable ruler 4 and the scalable ruler 5 of second are through pivot fixed connection with fixed strip 6, the installation is firm, can realize simply rotating, first ruler strip 7 is installed to one side of first scalable ruler 4, second ruler strip 8 is installed to one side of the scalable ruler 5 of second.

Further, the front end and the rear end of first ruler strip 7 and second ruler strip 8 all are provided with pull spout 9, connecting block 10 is installed to the opposite side of first ruler strip 7, but second adjusting bolt 11 is installed to the front end of connecting block 10, fixation clamp 12 is installed to the top of connecting block 10, and connecting block 10 passes through the screw connection with fixation clamp 12, the internally mounted of fixation clamp 12 has the pen 13 that can wipe, through the screw connection, it is convenient to install and remove, do benefit to the maintenance, can increase the pretightning force and prevent to become flexible, can not arouse junction material composition phase transition.

Furthermore, a third adjustable bolt 14 is installed on one side of the front end of the second ruler strip 8, a magnet adsorption head 15 is installed on the other side of the second ruler strip 8, the existing blackboard is magnetic, the head of the compass is designed into the magnet adsorption head 15, and the compass is very convenient to use.

Further, an installation block 16 is installed on one side of the second straight ruler strip 8, a clamping block 17 is installed on one side of the first straight ruler strip 7, and the first straight ruler strip 7 is connected with the clamping block 17 in a sealing mode, so that the connection is tight, and deformation is not prone to occurring.

Further, limiting slide blocks 18 are arranged inside the first telescopic ruler 4 and the second telescopic ruler 5, the limiting slide blocks 18 are four, and the limiting slide blocks 18 can play a good limiting role.

Further, the anti-skidding gasket 19 is installed to the inner wall of fixation clamp 12, and soft silica gel gasket 20 is all installed to the top of first ruler strip 7 and second ruler strip 8, and first ruler strip 7 and second ruler strip 8 are pasted with soft silica gel gasket 20 and are connected, and the leakproofness is good, easy installation.

The working principle is as follows: when the ruler is used, according to requirements, if the protractor 1 is used, the ruler can be directly used without adjusting any place, if the ruler is used, the first adjustable bolt 3 on the protractor 1 is firstly rotated to adjust the first adjustable bolt 3 to be loose, then the first telescopic ruler 4 and the second telescopic ruler 5 below the protractor 1 are rotated to keep the first telescopic ruler 4 and the second telescopic ruler 5 horizontal, after the adjustment is finished, the first adjustable bolt 3 is rotated to fix the first telescopic ruler 4 and the second telescopic ruler 5, the first ruler strip 7 and the second ruler strip 8 in the first telescopic ruler 4 and the second telescopic ruler 5 are drawn out, the limiting slide blocks 18 in the first telescopic ruler 4 and the second telescopic ruler 5 and the drawing slide grooves 9 at the outer sides of the first ruler strip 7 and the second ruler strip 8 play a limiting role, the length of the first telescopic ruler 4 and the length of the second telescopic ruler 5 can be prolonged, the fixing of the first straight ruler strip 7 and the second straight ruler strip 8 can be realized by rotating the fixing strip 6 above the first telescopic ruler 4 and the second telescopic ruler 5, the lower part of the fixing strip 6 is contacted with the soft silica gel gasket 20 above the first straight ruler strip 7 and the second straight ruler strip 8, and the fixing of the first straight ruler strip 7 and the second straight ruler strip 8 is realized by extruding the soft silica gel gasket 20, so that the teaching aid can be used as a ruler, compasses are realized according to requirements, the first straight ruler strip 7 and the second straight ruler strip 8 are fixed through the fixing strip 6, the erasable oil pen 13 is inserted into the fixing clamp 12 at one side of the first straight ruler strip 7, the second adjustable bolt 11 at the front end below the fixing clamp 12 is rotated, the second adjustable bolt 11 is screwed down, the erasable oil pen 13 is fixed, the magnet adsorption head 15 is rotated from the inside of one side of the second straight ruler strip 8, and then screwing the third adjustable bolt 14 on one side of the second straight ruler strip 8, finally adjusting the first adjustable bolt 3 on the protractor 1, adjusting the first telescopic ruler 4 and the second telescopic ruler 5 to proper angles, and then screwing the first adjustable bolt 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional mathematics teaching aid, includes protractor (1), its characterized in that: the utility model discloses a protractor, including protractor (1), protractor, first adjustable bolt (3) are installed to the front end of protractor (1), first scalable ruler (4) are installed to one side of protractor (1), scalable ruler (5) of second are installed to the opposite side of protractor (1), fixed strip (6) are all installed to the top of first scalable ruler (4) and the scalable ruler (5) of second, and just first scalable ruler (4) and the scalable ruler (5) of second are through pivot fixed connection with fixed strip (6), first ruler strip (7) are installed to one side of first scalable ruler (4), second ruler strip (8) are installed to one side of the scalable ruler (5) of second.

2. A multi-functional mathematical teaching aid according to claim 1, characterized in that: the utility model discloses a pen holder, including first ruler strip (7) and second ruler strip (8), the front end and the rear end of first ruler strip (7) all are provided with pull spout (9), connecting block (10) are installed to the opposite side of first ruler strip (7), but second adjusting bolt (11) are installed to the front end of connecting block (10), fixation clamp (12) are installed to the top of connecting block (10), just connecting block (10) pass through the screw connection with fixation clamp (12), the internally mounted of fixation clamp (12) has erasable oil pen (13).

3. A multi-functional mathematical teaching aid according to claim 1, characterized in that: and a third adjustable bolt (14) is installed on one side of the front end of the second ruler strip (8), and a magnet adsorption head (15) is installed on the other side of the second ruler strip (8).

4. A multi-functional mathematical teaching aid according to claim 1, characterized in that: an installation block (16) is installed on one side of the second straight rule strip (8), a clamping block (17) is installed on one side of the first straight rule strip (7), and the first straight rule strip (7) is connected with the clamping block (17) in a sealing mode.

5. A multi-functional mathematical teaching aid according to claim 1, characterized in that: limiting sliding blocks (18) are arranged inside the first telescopic ruler (4) and the second telescopic ruler (5), and four limiting sliding blocks (18) are arranged.

6. A multi-functional mathematical teaching aid according to claim 2, characterized in that: antiskid gasket (19) are installed to the inner wall of fixation clamp (12), soft silica gel gasket (20) are all installed to the top of first ruler strip (7) and second ruler strip (8), and first ruler strip (7) and second ruler strip (8) are pasted with soft silica gel gasket (20) and are connected.