CN219890350U - Angle measuring instrument - Google Patents
Angle measuring instrument Download PDFInfo
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- CN219890350U CN219890350U CN202321273131.8U CN202321273131U CN219890350U CN 219890350 U CN219890350 U CN 219890350U CN 202321273131 U CN202321273131 U CN 202321273131U CN 219890350 U CN219890350 U CN 219890350U
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- protractor
- calibration
- angle
- angle measuring
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Abstract
The embodiment of the utility model provides an angle measuring instrument, which comprises: the protractor is marked with a bottom line, an origin and an angle scale value; the level gauge is fixedly connected with the protractor, and when the level gauge is in a state of displaying a horizontal position, the bottom line is also positioned in the horizontal position; the calibration piece is rotationally connected with the protractor, the rotation center is located at the origin, the calibration piece comprises a first part located at one side of the rotation center and a second part located at the other side of the rotation center, the first part is used for being abutted to a datum plane or a datum line of an object to be measured, and the second part is used for indicating corresponding angle scale values on the protractor. The angle measuring instrument enables the protractor to acquire horizontal plane information as a measuring reference during suspended measurement, and is convenient for measurement and reading, so that the angle measuring efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of measuring tools, in particular to an angle measuring instrument.
Background
The protractor is a common angle measuring tool, and the protractor is used for acquiring angle information in various life and production activities. One of the usage scenarios is to use the protractor to measure the information of the included angle between a certain datum plane or a certain datum line of an object in the air and the horizontal plane, and because the protractor can not find the horizontal position, an operator can determine the horizontal position approximately by visual inspection or find the horizontal position by means of the level, however, the visual inspection method has lower precision, often causes larger errors in measurement results, and the level needs to be held by a hand, the protractor is held by one hand, the origin and the scale mark of the protractor are aligned with the datum plane or the datum line, the operation is complicated, and if the data is recorded, the operation difficulty is further increased, so that the measurement efficiency is low.
Disclosure of Invention
The embodiment of the utility model provides an angle measuring instrument, which is used for solving the problem that in the prior art, the inclined included angle of an object is difficult to measure because the horizontal position cannot be acquired as a reference when the protractor is in suspension measurement.
In an embodiment of the present utility model, the angle measuring apparatus includes:
the protractor is marked with a bottom line, an origin and an angle scale value;
the level gauge is fixedly connected with the protractor, and when the level gauge is in a state of displaying a horizontal position, the bottom line is also positioned in the horizontal position;
the calibration piece is rotationally connected with the protractor, the rotation center is located at the origin, the calibration piece comprises a first part located at one side of the rotation center and a second part located at the other side of the rotation center, the first part is used for being abutted to a datum plane or a datum line of an object to be measured, and the second part is used for indicating corresponding angle scale values on the protractor.
As a further alternative of the angle measuring instrument, the angle measuring instrument further comprises a fixed button, the fixed button is movably connected with the protractor at the origin, and the calibration piece is rotatably connected with the protractor through the fixed button; the fixing button can move between a first position and a second position under the external action, the calibration piece can rotate freely at the first position, and the fixing button can fix the calibration piece at the second position.
As a further alternative of the angle measuring instrument, the fixing button includes a connection portion and a limit portion disposed at one end of the connection portion; the calibration part is provided with a light hole, the connecting part is inserted into the light hole, the tail end of the connecting part is movably connected with the protractor, and the outer diameter of the limiting part is larger than the inner diameter of the light hole, so that the calibration part is limited between the limiting part and the protractor; when the fixed button is positioned at the first position, the gap between the limiting part and the protractor is larger than the thickness of the calibration part, so that the calibration part can rotate freely, and when the fixed button is positioned at the second position, the fixed button tightly presses the calibration part on the surface of the protractor, so that the calibration part is fixed.
As a further alternative of the angle measuring instrument, a thread is formed on the outer surface of the connecting portion, a threaded hole is formed in the protractor, the center of the threaded hole coincides with the origin, and the connecting portion is in threaded connection with the threaded hole.
As a further alternative of the angle measuring instrument, a flange is provided at the end of the connecting portion, a connecting hole is provided in the protractor, a first accommodating groove and a second accommodating groove for being matched with the flange are formed in the connecting hole, when the flange is located in the first accommodating groove, the fixing button is located at the first position, and when the flange is located in the second accommodating groove, the fixing button is located at the second position.
As a further alternative of the angle measuring instrument, a rubber layer is provided on a surface of the limiting portion for contacting with the calibration member.
As a further alternative of the angle measuring device, the level comprises a main body and a bubble tube arranged on the main body, bubbles surrounded by liquid exist in the bubble tube, a positioning area is arranged on the bubble tube, and the level is in a horizontal position when the bubbles are positioned in the positioning area.
As a further alternative of the angle measuring device, the main body extends in a straight line, and a first length scale value is provided on a surface of the main body, so that the main body can perform length measurement.
As a further alternative of the angle measuring instrument, the calibration member extends in a straight line, and a second length scale value is provided on the surface of the calibration member, so that the calibration member can perform length measurement.
As a further alternative of the angle measuring device, the angle measuring device further comprises a hanging rope, which can hang the angle measuring device on an external object.
The implementation of the embodiment of the utility model has the following beneficial effects:
the angle measuring instrument adopts the water bottle as the protractor to find the horizontal position, so that the protractor can acquire horizontal plane information as a measuring reference when in suspension measurement, the problem that measurement is difficult to carry out in suspension state is solved, the first part of the calibration part of the angle measuring instrument can be abutted with the reference surface or the reference line of an object to be measured, and the second part indicates the angle value, thereby facilitating measurement and reading, and further improving the efficiency of angle measurement.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
FIG. 1 is a schematic diagram showing the overall structure of an angle measuring device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a connecting column according to an embodiment of the utility model;
FIG. 3 is a schematic view illustrating a structure of a fixing button according to an embodiment of the present utility model;
FIG. 4 is a schematic view showing the structure of a fixing button according to another embodiment of the present utility model;
description of main reference numerals:
10-protractor;
20-level, 21-main body, 22-bubble tube, 221-bubble;
30-calibration piece, 31-first part, 32-second part;
40-fixing buttons, 41-connecting parts, 411-flanges and 42-limiting parts;
50-connecting columns, 51-column parts, 52-protruding parts, 501-first columns, 5011-threaded rods and 502-second columns;
60-hanging rope.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The embodiment of the utility model provides an angle measuring instrument, which is used for solving the problem that in the prior art, the inclination angle of an object is difficult to measure because the horizontal position cannot be acquired as a reference when the protractor is in suspension measurement.
In an embodiment of the present utility model, referring to fig. 1, the angle measuring instrument includes a protractor 10, a level 20 and a calibration member 30.
The bottom line, the origin and the angle scale value are marked on the protractor 10, and it should be clear that the bottom line refers to a line segment of the protractor 10 marked with an angle of 0 ° and an angle of 180 °, and the origin refers to a mark point located at the center of the bottom line. For the specific shape of the protractor 10, it may be generally set to be semicircular, and the angle scale value may be set to a plurality of angle values between 0 ° and 180 ° on the semicircular surface, and in a special case, the shape of the protractor 10 may be set to a fan-shaped structure or a circular structure smaller than or larger than the semicircle according to specific needs, which is not particularly limited herein.
The level 20 is fixedly connected with the protractor 10, and when the level 20 is in a state of displaying a horizontal position, the bottom line of the protractor 10 is also positioned in the horizontal position; the calibration piece 30 is rotatably connected with the protractor 10, the rotation center is located at the origin, the calibration piece 30 comprises a first part 31 located at one side of the rotation center and a second part 32 located at the other side of the rotation center, the first part 31 is used for being abutted with a datum plane or a datum line of an object to be measured, and the second part 32 is used for indicating corresponding angle scale values on the protractor 10.
The using method of the angle measuring instrument comprises the following steps: the first portion 31 is abutted against a reference surface or a reference line of the object to be measured, and then the protractor 10 or the level 20 is rotated (both are fixedly connected, so that rotation of one of them drives the other to rotate) until the level 20 shows a horizontal position, so that the bottom line of the protractor 10 is also positioned at the horizontal position, and at this time, the angle scale value indicated by the second portion 32 is read.
The angle measuring instrument adopts the level meter 20 as the angle measuring instrument 10 to find the horizontal position, so that the angle measuring instrument 10 can acquire horizontal plane information as a measuring reference when in suspension measurement, thereby solving the problem that measurement is difficult to carry out in suspension state, and the first part 31 of the calibration piece 30 of the angle measuring instrument can be abutted with the reference plane or the reference line of an object to be measured, and the second part 32 indicates the angle value, thereby facilitating measurement and reading, and improving the efficiency of angle measurement.
In order to realize the rotational connection between the calibration member 30 and the protractor 10, in one embodiment, please refer to fig. 2, the angle measuring apparatus further includes a connecting post 50, the connecting post 50 includes a cylindrical portion 51 and a protruding portion 52 formed by protruding radially from the outer edges of two ends of the cylindrical portion 51, the origin of the protractor 10 and the middle of the calibration member 30 are respectively provided with a mounting hole, the protractor 10 and the calibration member 30 are sleeved on the cylindrical portion 51 through the mounting holes, and the protruding portions 52 at two ends are used for limiting. In this case, when the distance between the two protrusions 52 is smaller than the sum of the thicknesses of the protractor 10 and the calibration member 30, the two protrusions 52 can press the protractor 10 and the calibration member 30 against each other, so that the calibration member 30 has a certain damping when rotating relative to the protractor 10, and thus the position of the calibration member 30 will not easily change when indicating the angle of the object to be measured with respect to the horizontal plane.
In a specific embodiment, the connecting post 50 is formed by connecting a first post 501 and a second post 502, wherein a threaded rod 5011 is connected to an end surface of the first post 501, a threaded hole is formed on an end surface of the second post 502, and the first post 501 and the second post 502 are in threaded connection with the threaded hole through the threaded rod 5011. By adjusting the depth of the threaded rod 5011 screwed into the threaded hole, the pretightening force of the boss 52 on the calibration member 30 and the protractor 10, that is, the damping of the calibration member 30 during rotation can be adjusted, so that the damping size can be controlled within a desired range.
In another embodiment, the angle measuring instrument further comprises a fixed button 40, the fixed button 40 is movably connected with the protractor 10 at the origin, and the calibration piece 30 is rotatably connected with the protractor 10 through the fixed button 40; the fixing knob 40 can be moved between a first position, in which the calibration member 30 can be freely rotated, and a second position, in which the fixing knob 40 can fix the calibration member 30, under an external action.
In a specific embodiment, referring to fig. 1, 3 and 4, the fixing button 40 includes a connecting portion 41 and a limiting portion 42 disposed at one end of the connecting portion 41; the calibration piece 30 is provided with a light hole, the connecting part 41 is inserted into the light hole, the tail end of the connecting part 41 is movably connected with the protractor 10, and the outer diameter of the limiting part 42 is larger than the inner diameter of the light hole, so that the calibration piece 30 is limited between the limiting part 42 and the protractor 10; when the fixing button 40 is located at the first position, the gap between the limiting part 42 and the protractor 10 is larger than the thickness of the calibration piece 30, so that the calibration piece 30 can rotate freely, and when the fixing button 40 is located at the second position, the fixing button 40 presses the calibration piece 30 to the surface of the protractor 10, so that the calibration piece 30 is fixed.
In a more specific embodiment, the outer surface of the connecting portion 41 is formed with a thread, the protractor 10 is provided with a threaded hole, the center of the threaded hole coincides with the origin, and the connecting portion 41 is in threaded connection with the threaded hole.
In another more specific embodiment, the end of the connecting portion 41 is provided with a flange 411, the protractor 10 is provided with a connecting hole, a first receiving slot and a second receiving slot for being matched with the flange 411 are formed in the connecting hole, when the flange 411 is positioned in the first receiving slot, the fixing button 40 is positioned in the first position, and when the flange 411 is positioned in the second receiving slot, the fixing button 40 is positioned in the second position.
In a specific embodiment, the limiting portion 42 is provided with a rubber layer on a surface for contacting the index member 30.
The additional rubber layer has the advantage of providing stronger friction and better fixing effect of the calibration piece 30.
For the design of the level 20, in one embodiment, the level 20 includes a main body 21 and a bubble tube 22 disposed on the main body 21, where a bubble 221 surrounded by a liquid exists in the bubble tube 22, and a positioning area is disposed on the bubble tube 22, where the level 20 is in a horizontal position when the bubble 221 is located in the positioning area. The direction of the main body 21 may be set to coincide with or be parallel to the bottom line of the protractor 10 as shown in fig. 1, or may be set to form an angle with the bottom line, and it is only necessary to ensure that the bottom line of the protractor 10 is parallel to the horizontal line when the bubble vial 22 shows the horizontal line. The material of the main body 21 is not limited herein, but in view of durability in daily use, the material of the main body 21 may be preferably one of alloy steel, ferromanganese, and aluminum alloy.
In a specific embodiment, the main body 21 extends in a straight line, and a first length scale is provided on the surface of the main body 21, so that the main body 21 can perform a length measurement.
The provision of the body 21 has the advantage that it can act as a grip handle and can also be used for length measurement when the first length scale value is provided thereon.
In another specific embodiment, level 20 includes only bubble vial 22, where bubble vial 22 is disposed directly on protractor 10.
In one embodiment, the calibration element 30 extends in a straight line, and the surface of the calibration element 30 is provided with a second length scale value, so that the calibration element 30 can perform a length measurement.
In one embodiment, the angle gauge further includes a hanging rope 60, and the hanging rope 60 can hang the angle gauge on an external object, thereby preventing loss or falling during aloft work.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An angle measuring device, comprising:
the protractor is marked with a bottom line, an origin and an angle scale value;
the level gauge is fixedly connected with the protractor, and when the level gauge is in a state of displaying a horizontal position, the bottom line is also positioned in the horizontal position;
the calibration piece is rotationally connected with the protractor, the rotation center is located at the origin, the calibration piece comprises a first part located at one side of the rotation center and a second part located at the other side of the rotation center, the first part is used for being abutted to a datum plane or a datum line of an object to be measured, and the second part is used for indicating corresponding angle scale values on the protractor.
2. The angle gauge of claim 1, further comprising a fixed knob movably connected to the protractor at the origin, the calibration member being rotatably connected to the protractor via the fixed knob; the fixing button can move between a first position and a second position under the external action, the calibration piece can rotate freely at the first position, and the fixing button can fix the calibration piece at the second position.
3. The angle measuring device according to claim 2, wherein the fixing button includes a connection portion and a limit portion disposed at one end of the connection portion; the calibration part is provided with a light hole, the connecting part is inserted into the light hole, the tail end of the connecting part is movably connected with the protractor, and the outer diameter of the limiting part is larger than the inner diameter of the light hole, so that the calibration part is limited between the limiting part and the protractor; when the fixed button is positioned at the first position, the gap between the limiting part and the protractor is larger than the thickness of the calibration part, so that the calibration part can rotate freely, and when the fixed button is positioned at the second position, the fixed button tightly presses the calibration part on the surface of the protractor, so that the calibration part is fixed.
4. An angle measuring device as claimed in claim 3, wherein the connecting portion has threads formed on an outer surface thereof, the protractor has a threaded hole formed therein, a center of the threaded hole coincides with the origin, and the connecting portion is threadedly connected with the threaded hole.
5. The angle measuring device according to claim 3, wherein a flange is provided at an end of the connection portion, a connection hole is provided in the protractor, a first receiving groove and a second receiving groove for being engaged with the flange are formed in the connection hole, the fixing button is located at the first position when the flange is located in the first receiving groove, and the fixing button is located at the second position when the flange is located in the second receiving groove.
6. An angle measuring device as claimed in any one of claims 3 to 5, characterized in that the surface of the limit part intended to be in contact with the calibration piece is provided with a rubber layer.
7. The angle gauge of claim 1, wherein the level comprises a body and a bubble vial disposed on the body, wherein bubbles surrounded by liquid are present in the bubble vial, wherein a positioning area is disposed on the bubble vial, and wherein the level is in a horizontal position when the bubbles are disposed in the positioning area.
8. The angle measurement device of claim 7, wherein the body extends in a straight line, and wherein a first length scale is provided on a surface of the body to enable the body to take a length measurement.
9. The angle measuring device of claim 1, wherein the calibration member extends in a straight line, and a second length scale is provided on a surface of the calibration member to enable the calibration member to take a length measurement.
10. The angle measurement device of claim 1, further comprising a lanyard capable of lanking the angle measurement device to an external object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273131.8U CN219890350U (en) | 2023-05-23 | 2023-05-23 | Angle measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273131.8U CN219890350U (en) | 2023-05-23 | 2023-05-23 | Angle measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890350U true CN219890350U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321273131.8U Active CN219890350U (en) | 2023-05-23 | 2023-05-23 | Angle measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890350U (en) |
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2023
- 2023-05-23 CN CN202321273131.8U patent/CN219890350U/en active Active
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