CN210952562U - Portable ruler - Google Patents
Portable ruler Download PDFInfo
- Publication number
- CN210952562U CN210952562U CN201921983161.1U CN201921983161U CN210952562U CN 210952562 U CN210952562 U CN 210952562U CN 201921983161 U CN201921983161 U CN 201921983161U CN 210952562 U CN210952562 U CN 210952562U
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- CN
- China
- Prior art keywords
- ruler
- straight
- straight groove
- groove
- portable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a portable ruler, which comprises a first ruler, wherein one end of the first ruler is provided with a first straight groove, the inner walls of the two sides of the first straight groove are symmetrically provided with two first limiting grooves, a second ruler is arranged in the first straight groove, and the first straight ruler is connected with the second ruler through a first adsorption device; and a second straight groove is formed in one end, far away from the first ruler, of the second ruler. When the utility model is carried, the third ruler and the protractor can be accommodated in the second straight groove of the second ruler, the second ruler is accommodated in the first straight groove of the first ruler, and the first ruler and the first ferromagnetic sheet and the second permanent magnetic sheet are adsorbed and fixed by the magnetic attraction force between the first ferromagnetic strip and the second ferromagnetic sheet; when the ruler is used, the third ruler and the second ruler are sequentially pulled out, the magnetic attraction force is overcome, and the measuring state is kept under the action of the friction force between the first ferromagnetic sheet and the first limiting groove and between the second ferromagnetic sheet and the second limiting groove.
Description
Technical Field
The utility model relates to a stationery technical field especially relates to a portable ruler.
Background
The ruler is also called a measuring ruler, and is a tool for drawing line segments (especially straight) and measuring length. The ruler length among the prior art is fixed, and its measuring range depends on with self length, therefore the great ruler of measuring range is not portable, in addition, when needs are measured length, angle, need use ruler and protractor measurement respectively, and both exist alone, have the inconvenient problem of carrying equally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art and providing a portable ruler.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable ruler comprises a first ruler, wherein one end of the first ruler is provided with a first straight groove, two first limiting grooves are symmetrically formed in the inner walls of the two sides of the first straight groove, a second ruler is arranged in the first straight groove, and the first ruler is connected with the second ruler through a first adsorption device; a second straight groove is formed in one end, away from the first straight ruler, of the second straight ruler, second limiting grooves are symmetrically formed in the inner walls of the two sides of the second straight groove, a third straight ruler is arranged in the second straight groove, and the second straight ruler is connected with the third straight ruler through a second adsorption device; one end, far away from the second ruler, of the third ruler is rotatably connected with a protractor through a rotating shaft, a torsion spring is sleeved on the movable span outside the rotating shaft, and two ends of the torsion spring are fixedly connected with the third ruler and the protractor respectively.
Preferably, the first absorbing device comprises a first permanent magnet strip embedded in the inner wall of one side of the first straight groove and a first ferromagnetic sheet fixedly connected with the second straight edge, and the first ferromagnetic sheet is in friction sliding connection with the first limiting groove.
Preferably, the second adsorption device comprises a second permanent magnet strip embedded in the inner wall of one side of the second straight groove and a second ferromagnetic sheet fixedly connected with the third ruler, and the second ferromagnetic sheet is in friction sliding connection with the second limiting groove.
Preferably, the thickness of the third ruler and the protractor is smaller than the width of the second straight groove.
Preferably, the length of the third ruler is greater than the length of the second straight groove.
Preferably, the first ruler, the second ruler, the third ruler and the protractor are all made of non-transparent plastics.
Compared with the prior art, the portable ruler has the advantages that:
when the ruler is carried, the third ruler and the protractor can be accommodated into a second straight groove in the second ruler, the second ruler is accommodated into a first straight groove in the first ruler, and the second ruler is adsorbed and fixed by means of magnetic attraction force between the first ferromagnetic strip and the first ferromagnetic sheet and between the second permanent magnetic strip and the second ferromagnetic sheet; when the ruler is used, the third ruler and the second ruler are sequentially pulled out, the magnetic attraction force is overcome, and the measuring state is kept under the action of the friction force between the first ferromagnetic sheet and the first limiting groove and between the second ferromagnetic sheet and the second limiting groove.
Drawings
Fig. 1 is a perspective view of a portable ruler in a top view according to the present invention;
fig. 2 is a schematic structural view of a portable ruler in a top view.
In the figure: the magnetic ruler comprises a first ruler 1, a first straight groove 11, a first limiting groove 12, a first permanent magnet strip 13, a second ruler 2, a second straight groove 21, a second limiting groove 22, a second permanent magnet strip 23, a first ferromagnetic sheet 24, a third ruler 3, a second ferromagnetic sheet 31, a protractor 4 and a rotating shaft 41.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the portable ruler comprises a first ruler 1, wherein one end of the first ruler 1 is provided with a first straight groove 11, two first limiting grooves 12 are symmetrically formed in the inner walls of the two sides of the first straight groove 11, a second ruler 2 is arranged in the first straight groove 11, and the first ruler 1 is connected with the second ruler 2 through a first adsorption device;
a second straight groove 21 is formed in one end, far away from the first ruler 1, of the second ruler 2, second limiting grooves 22 are symmetrically formed in the inner walls of the two sides of the second straight groove 21, a third ruler 3 is arranged in the second straight groove 21, and the second ruler 2 is connected with the third ruler 3 through a second adsorption device;
one end, far away from the second ruler 2, of the third ruler 3 is rotatably connected with the protractor 4 through a rotating shaft 41, a torsion spring is sleeved on the outer side of the rotating shaft 41, and two ends of the torsion spring are fixedly connected with the third ruler 3 and the protractor 4 respectively.
Specifically, the first suction device comprises a first permanent magnet strip 13 embedded in the inner wall of one side of the first straight groove 11 and a first ferromagnetic sheet 24 fixedly connected with the second straight scale 2, and the first ferromagnetic sheet 24 is in friction sliding connection with the first limit groove 12.
Specifically, the second adsorption device includes a second permanent magnet strip 23 embedded in an inner wall of one side of the second straight groove 21 and a second ferromagnetic plate 31 fixedly connected with the third ruler 3, and the second ferromagnetic plate 31 is in frictional sliding connection with the second limiting groove 22.
Further, the thickness of the third ruler 3 and the protractor 4 is smaller than the width of the second straight groove 21, and the third ruler 3 and the protractor 4 can be completely accommodated in the second straight groove 21.
Further, the length of the third straightedge 3 is greater than the length of the second straight flute 21, so that the third straightedge 3 protrudes slightly out of the second straight flute 21, and the third straightedge 3 can be pulled out conveniently.
Furthermore, the first ruler 1, the second ruler 2, the third ruler 3 and the protractor 4 are all made of non-transparent plastics, so that the internal structure of the ruler cannot be seen, and the appearance is kept.
It should be noted that:
the first ruler 1, the second ruler 2 and the third ruler 3 are printed with scale marks on the same side, and when the second ruler 2 and the third ruler 3 are completely pulled out, the scales of the scale marks are connected;
when the second ruler 2 and the third ruler 3 are in a storage state, the second ruler 2 is stored in the first straight groove 11 under the action of magnetic attraction between the first permanent magnet strip 13 and the first ferromagnetic sheet 24, the third ruler 3 is stored in the second straight groove 21 under the action of magnetic attraction between the second permanent magnet strip 23 and the second ferromagnetic sheet 31, the third ruler 3 and the protractor 4 slightly protrude out of the second straight groove 21 so as to be drawn out, in the process that the third ruler is gradually drawn out and cannot be drawn continuously, the magnetic attraction between the first permanent magnet strip 13 and the first ferromagnetic sheet 24 and between the second permanent magnet strip 23 and the second ferromagnetic sheet 31 is gradually overcome, the first ferromagnetic sheet 24 is kept in a state under the action of friction force with the first limiting groove 12, and the second ferromagnetic sheet 31 is kept in a state under the action of friction force with the second limiting groove 22, and when the portable ruler is used, the length of a line can be determined by drawing an auxiliary straight line;
the protractor 4 is in a normal state, the semicircular surface of the protractor 4 faces the third ruler 3, when the protractor 4 needs to be used, the semicircular surface of the protractor 4 is twisted to deviate from the third ruler 3, please refer to fig. 1, the torsion spring is in a twisted state, and after the protractor is used, the protractor can be restored to an initial position under the elastic force of the torsion spring.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A portable ruler comprises a first ruler (1) and is characterized in that one end of the first ruler (1) is provided with a first straight groove (11), two first limiting grooves (12) are symmetrically formed in the inner walls of the two sides of the first straight groove (11), a second ruler (2) is arranged in the first straight groove (11), and the first ruler (1) is connected with the second ruler (2) through a first adsorption device;
a second straight groove (21) is formed in one end, away from the first straight ruler (1), of the second straight ruler (2), second limiting grooves (22) are symmetrically formed in the inner walls of the two sides of the second straight groove (21), a third straight ruler (3) is arranged in the second straight groove (21), and the second straight ruler (2) is connected with the third straight ruler (3) through a second adsorption device;
the one end that second ruler (2) was kept away from in third ruler (3) is rotated through pivot (41) and is connected with protractor (4), the outside movable sleeve of pivot (41) is equipped with the torsional spring, the both ends of torsional spring respectively with third ruler (3), protractor (4) fixed connection.
2. A portable ruler according to claim 1 wherein said first suction means comprises a first permanent magnet strip (13) embedded in one side of the inner wall of the first straight groove (11) and a first ferromagnetic plate (24) fixedly connected to the second straight edge (2), said first ferromagnetic plate (24) being in frictional sliding connection with the first limit groove (12).
3. The portable ruler of claim 1, wherein the second adsorption device comprises a second permanent magnet strip (23) embedded in one side inner wall of the second straight groove (21) and a second ferromagnetic sheet (31) fixedly connected with the third ruler (3), and the second ferromagnetic sheet (31) is in frictional sliding connection with the second limiting groove (22).
4. A portable ruler according to claim 1 characterized in that the thickness of the third ruler (3) and protractor (4) is smaller than the width of the second straight groove (21).
5. A portable ruler according to claim 1 characterized in that the third ruler (3) has a length greater than the length of the second straight flute (21).
6. A portable ruler according to claim 1, characterized in that the first ruler (1), the second ruler (2), the third ruler (3) and the protractor (4) are made of non-transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921983161.1U CN210952562U (en) | 2019-11-18 | 2019-11-18 | Portable ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921983161.1U CN210952562U (en) | 2019-11-18 | 2019-11-18 | Portable ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210952562U true CN210952562U (en) | 2020-07-07 |
Family
ID=71376464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921983161.1U Expired - Fee Related CN210952562U (en) | 2019-11-18 | 2019-11-18 | Portable ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210952562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981925A (en) * | 2020-08-20 | 2020-11-24 | 吴旭健 | Deformable multipurpose measuring scale |
| CN113237401A (en) * | 2021-04-19 | 2021-08-10 | 中山市多纷优品电子商务有限公司 | Tool ruler |
-
2019
- 2019-11-18 CN CN201921983161.1U patent/CN210952562U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981925A (en) * | 2020-08-20 | 2020-11-24 | 吴旭健 | Deformable multipurpose measuring scale |
| CN113237401A (en) * | 2021-04-19 | 2021-08-10 | 中山市多纷优品电子商务有限公司 | Tool ruler |
| CN113237401B (en) * | 2021-04-19 | 2023-12-19 | 中山市多纷优品电子商务有限公司 | Tool ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |