CN215321671U - Multifunctional ruler - Google Patents
Multifunctional ruler Download PDFInfo
- Publication number
- CN215321671U CN215321671U CN202121309546.7U CN202121309546U CN215321671U CN 215321671 U CN215321671 U CN 215321671U CN 202121309546 U CN202121309546 U CN 202121309546U CN 215321671 U CN215321671 U CN 215321671U
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- CN
- China
- Prior art keywords
- needle
- ruler body
- needle cylinder
- ruler
- protractor
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- 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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Abstract
The utility model discloses a multifunctional ruler, which comprises a ruler body, wherein one side of the ruler body is provided with a protractor and a protractor, one end of the ruler body along the length direction is provided with an installation notch, a positioning needle mechanism for drawing a circle is fixedly installed in the installation notch, and the middle of the ruler body is provided with a wave notch for clamping a pen point; the positioning needle mechanism comprises a needle head, a needle cylinder and a knob, the bottom end of the needle cylinder is fixedly installed in the installation notch, the bottom end of the needle cylinder is slidably connected with the needle head used for positioning, and the top end of the needle cylinder is rotatably connected with the knob used for controlling the needle head to slide. The utility model has the advantages of strong practicability and convenient operation, and integrates the circle drawing, the straight ruler, the protractor and the angle drawing device into a whole.
Description
Technical Field
The utility model relates to the technical field of school supplies, in particular to a multifunctional ruler.
Background
In the past, students often have to carry a stack of drawing tools such as a set square, a protractor, a compass, a ruler and a compass when dealing with simple mathematics drawing problems or art works, which causes the following disadvantages: 1. the utensil is various and is troublesome to carry; 2. the appliances are various, and a large amount of desktop space is occupied when the table is used; 3. if the appliances are placed randomly, it is necessary to waste time to search for various appliances.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the multifunctional ruler which has the advantages of strong practicability, convenience in operation and integration of circle drawing, the ruler, the protractor and the angle drawing device.
The technical scheme of the utility model is as follows:
a multifunctional straight ruler comprises a straight ruler body, wherein one side of the straight ruler body is provided with a protractor and a protractor, one end of the straight ruler body along the length direction is provided with an installation notch, a positioning needle mechanism for drawing a circle is fixedly installed in the installation notch, and the middle of the straight ruler body is provided with a wave notch for clamping a pen point; the positioning needle mechanism comprises a needle head, a needle cylinder and a knob, the bottom end of the needle cylinder is fixedly installed in the installation notch, the bottom end of the needle cylinder is slidably connected with the needle head used for positioning, and the top end of the needle cylinder is rotatably connected with the knob used for controlling the needle head to slide.
The working principle of the technical scheme is as follows: scales are arranged on one side of the ruler body and used for measuring the length; the other side of the ruler body is provided with the protractor and the protractor, wherein the protractor is externally connected to the outer side of the ruler body, the protractor can be externally connected to the outer side of the ruler body and can be embedded in the inner side of the ruler body, and the specified angle can be quickly measured and quickly drawn through the protractor and the protractor; the installation notch and the needle cylinder are circular, the needle cylinder is matched with the installation notch, the needle cylinder is completely installed in the installation notch, and the upper surface and the lower surface of the needle cylinder and the upper surface and the lower surface of the ruler body are on the same plane; the bottom end of the needle cylinder is slidably connected with a needle head, the needle head is perpendicular to the upper surface and the lower surface of the ruler body, the length of the needle head is smaller than the height of the needle cylinder, the needle head can slide into the needle cylinder completely, when the needle head needs to slide out to draw a circle, a user rotates a knob arranged above the needle cylinder in a forward direction, the lower portion of the knob is in threaded connection with the inside of the needle cylinder, the bottom end of the knob is fixedly connected to the upper end of the needle head, the knob rotates in the forward direction to drive the needle head to slide towards the outer side of the needle cylinder, the needle head penetrates out of the needle cylinder and is perpendicular to the ruler body to be used for positioning when the circle is drawn, meanwhile, a pencil is inserted into the wave gap, and the diameter of the pencil is in interference fit with the wave gap, so that the pencil can be effectively fixed after the pencil is inserted into the wave gap by the user, and the pencil is guaranteed to not fall from the wave gap when the circle is drawn; when the needle head needs to be retracted, a user reversely rotates the knob, the knob reversely rotates to drive the needle head to slide towards the inside of the needle cylinder until the needle head is completely retracted into the needle cylinder, and then the pencil is taken out.
In a further technical scheme, the bottom end of the needle cylinder is provided with a through hole for moving the needle head.
The diameter of the through hole is larger than that of the needle head, so that the needle head can freely slide in and out of the needle cylinder.
In a further technical scheme, the wave breach is rectangular shape, and is parallel with the length direction of ruler body, two long limits of wave breach are the wave line, and two long limit symmetries.
Two length directions along the ruler body in the length of limit of this wave breach are symmetrical for the axis, go up the epirelief department on long limit and form a hole with the lower recessed department on long limit down, and the size in this hole cooperatees with the pencil, enables pencil and this hole interference fit, has a plurality ofly simultaneously on this wave breach the hole can be installed the pencil in the hole of difference as required for radius size when adjusting the drawing circle.
The utility model has the beneficial effects that:
1. the device is high in practicability and convenient to operate, and integrates circle drawing, a measuring scale, a protractor and a protractor into a whole;
2. the positioning needle mechanism can enable the needle head to be retracted into the needle cylinder when the needle head is not used, so that a user is prevented from being scratched by the needle head carelessly;
3. the wave breach can fix the nib and be used for the drawing of a circle, simultaneously because the nature of wave line, can select the position that the nib was fixed in the wave breach as required to be used for adjusting the radius size of drawing a circle.
Drawings
Fig. 1 is a schematic overall structure diagram of a multifunctional ruler according to an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a positioning pin mechanism according to an embodiment of the utility model.
Description of reference numerals:
1-ruler body, 2-locating pin mechanism, 3-protractor, 4 wave gap, 5-protractor, 201-knob, 202-syringe, 203-needle head.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, the multifunctional ruler comprises a ruler body 1, wherein one side of the ruler body 1 is provided with a protractor 3 and a protractor 5, one end of the ruler body 1 along the length direction is provided with an installation gap, a positioning pin mechanism 2 for drawing a circle is fixedly installed in the installation gap, and a wave gap 4 for clamping a pen point is arranged in the middle of the ruler body 1; the positioning needle mechanism 2 comprises a needle 203, a needle cylinder 202 and a knob 201, the bottom end of the needle cylinder 202 is fixedly installed in the installation notch, the needle 203 for positioning is connected to the bottom end of the needle cylinder 202 in a sliding mode, and the knob 201 for controlling the needle 203 to slide is connected to the top end of the needle cylinder 202 in a rotating mode.
The working principle of the technical scheme is as follows:
scales are arranged on one side of the ruler body 1 and used for measuring the length; the other side of the ruler body 1 is provided with the protractor 3 and the protractor 5, wherein the protractor 3 is externally connected to the outer side of the ruler body 1, the protractor 5 can be externally connected to the outer side of the ruler body 1 and can also be embedded in the inner side of the ruler body 1, and the specified angle can be quickly measured and quickly drawn through the protractor 3 and the protractor 5; the installation notch and the needle cylinder 202 are both circular, the needle cylinder 202 is matched with the installation notch, the needle cylinder 202 is completely installed in the installation notch, and the upper surface and the lower surface of the needle cylinder 202 and the upper surface and the lower surface of the ruler body 1 are on the same plane; the bottom end of the needle cylinder 202 is connected with a needle 203 in a sliding way, the needle 203 is vertical to the upper surface and the lower surface of the ruler body 1, and the length of the needle 203 is smaller than the height of the needle cylinder 202, so that the needle 203 can completely slide into the inner part of the needle cylinder 202, when the needle 203 needs to slide out to draw a circle, the user rotates the knob 201 arranged above the syringe 202 forward, the lower part of the knob 201 is in threaded connection with the inside of the needle cylinder 202, the bottom end of the knob 201 is fixedly connected with the upper end of the needle 203, the knob 201 rotates forwards to drive the needle 203 to slide towards the outer side of the needle cylinder 202, so that the needle 203 penetrates out of the needle cylinder 202 and is perpendicular to the ruler body 1 for positioning when drawing circles, meanwhile, a pencil is inserted into the wave gap 4, because the diameter of the pencil is in interference fit with the wave gap 4, when a user forcibly inserts the pencil into the wave gap 4, the pencil can be effectively fixed, and the pencil cannot fall off from the wave gap 4 when drawing a circle; when the needle 203 needs to be withdrawn, the user rotates the knob 201 reversely, the knob 201 rotates reversely to drive the needle 203 to slide towards the inside of the barrel 202 until the needle 203 is completely withdrawn into the barrel 202, and then the pencil is drawn out with force.
In another embodiment, the bottom end of the barrel 202 is provided with a through hole for the movement of the needle 203.
The diameter of the through hole is larger than that of the needle 203, so that the needle 203 can freely slide in and out of the needle cylinder 202.
In another embodiment, the wave gap 4 is a long strip and parallel to the length direction of the straightedge body 1, two long edges of the wave gap 4 are wave lines, and the two long edges are symmetrical.
The two long edges of the wave gap 4 are symmetrical along the length direction of the ruler body 1 as an axis, a hole is formed at the upper convex part of the upper long edge and the lower concave part of the lower long edge, the size of the hole is matched with a pencil, so that the pencil can be in interference fit with the hole, and meanwhile, the wave gap 4 is provided with a plurality of holes, so that the pencil can be installed in different holes as required and the radius of the pencil during circle drawing can be adjusted; when the pencil is drawn out, the ruler body 1 is made of plastic and has elasticity, and the diameter of the hole is temporarily enlarged under the drawing force and the extrusion of the pencil, so that the pencil can be drawn out of the hole, and the ruler body 1 cannot be damaged.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (3)
1. A multifunctional ruler comprises a ruler body and is characterized in that one side of the ruler body is provided with a protractor and a protractor, one end of the ruler body along the length direction is provided with an installation notch, a positioning needle mechanism for drawing a circle is fixedly installed in the installation notch, and the middle of the ruler body is provided with a wave notch for clamping a pen point;
the positioning needle mechanism comprises a needle head, a needle cylinder and a knob, the bottom end of the needle cylinder is fixedly installed in the installation notch, the bottom end of the needle cylinder is slidably connected with the needle head used for positioning, and the top end of the needle cylinder is rotatably connected with the knob used for controlling the needle head to slide.
2. The multifunctional ruler of claim 1, wherein the bottom end of the needle cylinder is provided with a through hole for needle movement.
3. The multifunctional ruler of claim 1, wherein the wave gap is elongated and parallel to the length direction of the ruler body, and the two long sides of the wave gap are wave lines and are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309546.7U CN215321671U (en) | 2021-06-11 | 2021-06-11 | Multifunctional ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309546.7U CN215321671U (en) | 2021-06-11 | 2021-06-11 | Multifunctional ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215321671U true CN215321671U (en) | 2021-12-28 |
Family
ID=79557771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309546.7U Expired - Fee Related CN215321671U (en) | 2021-06-11 | 2021-06-11 | Multifunctional ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215321671U (en) |
-
2021
- 2021-06-11 CN CN202121309546.7U patent/CN215321671U/en not_active Expired - Fee Related
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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: 20211228 |