CN218469693U - Protractor convenient to locate - Google Patents
Protractor convenient to locate Download PDFInfo
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- CN218469693U CN218469693U CN202222715779.8U CN202222715779U CN218469693U CN 218469693 U CN218469693 U CN 218469693U CN 202222715779 U CN202222715779 U CN 202222715779U CN 218469693 U CN218469693 U CN 218469693U
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- positioning
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Abstract
The utility model relates to the technical field of measuring tools, in particular to a protractor convenient for positioning, which comprises a protracting plate, an indicating component, a positioning component and a positioning bolt; the angle measuring plate comprises an angle plate and a straight edge plate; the angle measuring plate is an annular plate, and the head end and the tail end of the angle measuring plate are fixedly connected with the straight edge plate; the indicating assembly comprises an indicating plate; one end of the indicating plate is rotatably connected with the center of the straight side plate through a positioning bolt, and the positioning bolt is coaxial with the angle plate; the other end of the indicating plate extends to the periphery of the angle plate; the indicating plate is provided with an indicating line which is consistent with the radial direction of the angle plate; the positioning assembly comprises a support plate; the support plate is connected with the straight edge plate in a sliding manner, and the sliding direction is consistent with the length direction of the straight edge plate; the length direction of backup pad is perpendicular with the length direction of straight sideboard, through the utility model discloses can provide the support for the protractor, realize improving the measurement of protractor efficiency.
Description
Technical Field
The utility model relates to a measuring tool technical field, concrete field is a protractor convenient to location.
Background
The woodwork protractor is a common tool for woodwork, and is mainly used for measuring the angle of a target object. When using the protractor to carry out the measurement of angle, align the straight line limit of protractor and a limit of being surveyed the angle earlier, the scale interval of the directional protractor arc limit of another side of being surveyed the angle is the size of being surveyed the angle promptly, can face more dysmorphism component at carpenter's measurement operation in-process, in order to improve measurement accuracy, often can fix the protractor with the help of the instrument in order to improve measurement accuracy, but too much instrument that is used for supplementary protractor fixed can increase angle measurement's complexity, provide a protractor convenient to location for this application.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a protractor convenient to location, it can provide the support for the protractor, realizes improving the measurement of protractor efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: a protractor convenient for positioning comprises a protractor plate, an indicating assembly, a positioning assembly and a positioning bolt; the angle measuring plate comprises an angle plate and a straight edge plate; the angle measuring plate is an annular plate, and the head end and the tail end of the angle measuring plate are fixedly connected with the straight edge plate; the indicating assembly comprises an indicating plate; one end of the indicating plate is rotatably connected with the center of the straight side plate through a positioning bolt, and the positioning bolt is coaxial with the angle plate; the other end of the indicating plate extends to the periphery of the angle plate; the indicating plate is provided with an indicating line which is consistent with the radial direction of the angle plate;
the positioning assembly comprises a support plate; the support plate is connected with the straight edge plate in a sliding manner, and the sliding direction is consistent with the length direction of the straight edge plate; the length direction of the supporting plate is perpendicular to the length direction of the straight side plate.
Preferably, the inner ring and the outer ring of the angle plate are provided with scales for indicating angles, wherein the scales on the outer ring of the angle plate are from 0 degree to 180 degrees; the scale on the inner ring of the angle plate is from 180 to 360.
Preferably, the straight side plate is provided with a positioning groove along the length direction; the positioning assembly further comprises a sliding plate and a fastening bolt; the sliding plate is arranged on the rear side of the straight edge plate, and one end of the sliding plate is fixedly connected with the head end of the supporting plate; a screw rod of the fastening bolt penetrates through the positioning groove and is fixedly connected with the front end of the sliding plate; and the screw rod of the fastening bolt is in line contact with the inner wall of the positioning groove.
Preferably, the outer diameter of the nut of the fastening bolt and the width of the sliding plate are both larger than the dimension of the positioning groove in the width direction.
Preferably, the angle plate is provided with a sliding groove along the circumferential direction; the indicating assembly further comprises a limiting bolt; a screw rod of the limiting bolt penetrates through the sliding groove and is in threaded connection with the front end of the indicating plate; the screw rod of the limit bolt is in line contact with the inner wall of the sliding groove.
Preferably, the axle center of the limiting bolt and the axle center of the positioning bolt are both positioned on the indicating line.
Preferably, the outer diameter of the nut of the limit bolt is larger than the size of the sliding groove in the width direction.
Compared with the prior art, the beneficial effects of the utility model are that: through set up the constant head tank on the straight flange board, locating component slides with the help of fastening bolt and straight flange board relatively, and the length direction of backup pad is perpendicular with the length direction of straight flange board, makes this protractor obtain stable support, improves the measurement efficiency of protractor through adjustment fastening bolt's elasticity.
Drawings
Fig. 1 is a schematic front side structural view of the protractor of the present invention;
fig. 2 is a schematic diagram of the rear side structure of the protractor of the present invention.
In the figure: the automatic angle measuring device comprises a 1 angle measuring plate, a 101-angle plate, a 102 straight edge plate, a 1011 sliding groove, a 1021 positioning groove, a 2 indicating assembly, a 201 indicating plate, a 202 limiting bolt, a 3 positioning assembly, a 301 sliding plate, a 302 supporting plate, a 303 fastening bolt and a 4 positioning bolt.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not limiting, of the scope of the invention.
The first embodiment is as follows: referring to fig. 1-2, a protractor for facilitating positioning, comprises: a measuring angle plate 1, an indicating assembly 2, a positioning assembly 3 and a positioning bolt 4.
The angle measuring plate 1 comprises an angle plate 101 and a straight edge plate 102; the angle plate 101 is of an annular plate structure, and the angle plate 101 is provided with a sliding groove 1011 along the circumferential direction; the inner ring and the outer ring of the angle plate 101 are provided with scales for indicating angles, and the scales at the inner ring and the outer ring are respectively arranged at two sides of the sliding groove 1011; in this embodiment, the scale on the outer ring of the angle plate 101 is from 0 ° to 180 °; the scale on the inner ring of the angle plate 101 is from 180 to 360;
the head end and the tail end of the angle plate 101 are fixedly connected with the upper end of the straight edge plate 102, the connection point of the head end of the angle plate 101 and the straight edge plate 102 is positioned at the left end part of the straight edge plate 102, and the connection point of the tail end of the angle plate 101 and the straight edge plate 102 is positioned at the right end part of the straight edge plate 102; the front end of the straight edge plate 102 is provided with a positioning groove 1021 along the length direction of the straight edge plate 102; the positioning groove 1021 is positioned at the right part of the straight edge plate 102; in the embodiment, the sliding grooves 1011 are not communicated with the positioning grooves 1021.
The indicating assembly 2 comprises an indicating plate 201 and a limiting bolt 202; the indicating plate 201 is a strip-shaped straight plate, the lower end part of the indicating plate 201 is in bolt connection with the straight edge plate 102 through a positioning bolt 4, and under the action of external force, the indicating plate 201 can rotate relative to the straight edge plate 102 by taking the positioning bolt 4 as an axis, and the axis of the indicating plate 201 during rotation is the same as that of the angle plate 101; the length of the indicator plate 201 is greater than the outer diameter of the angle plate 101; an indicating line is arranged on the indicating plate 201 and arranged along the radial direction of the angle plate 101; the limit bolt 202 is in threaded connection with the indicating plate 201, and the axis of the limit bolt 202 and the axis of the positioning bolt 4 are both positioned on an indicating line; in this embodiment, the screw of the limit bolt 202 penetrates through the front and rear sides of the angle plate 101, and the screw of the limit bolt 202 is in line contact with the inner wall of the sliding groove 1011, so that the limit bolt 202 can slide back and forth in the sliding groove 1011 under the action of external force, and the outer diameter of the nut of the limit bolt 202 is larger than the dimension of the sliding groove 1011 in the width direction, so that the indicator plate 201 can always rotate on the angle plate 1 without being separated from the angle plate by using the positioning bolt 4 as an axis, thereby improving the stability of the angle gauge structure.
The positioning assembly 3 comprises a sliding plate 301, a supporting plate 302 and a fastening bolt 303; one end of the sliding plate 301 and one end of the supporting plate 302 are fixedly connected to form a plate-shaped structure with the shape of letter L; the screw of the fastening bolt 303 is in threaded connection with the sliding plate 301; the sliding plate 301 and the supporting plate 302 are both positioned at the rear side of the straight-side plate 102, the length direction of the sliding plate 301 is the same as the opening direction of the positioning groove 1021, and the length direction of the supporting plate 302 is vertical to the opening direction of the positioning groove 1021; in the present embodiment, the screws of the fastening bolts 303 penetrate through the front and rear sides of the straight-edge plate 102, the screws of the fastening bolts 303 are in line contact with the inner wall of the positioning groove 1021, and the outer diameter of the nuts of the fastening bolts 303 and the width of the sliding plate 301 are both larger than the dimension of the positioning groove 1021 in the width direction, so that the sliding plate 301 and the support plate 302 can stably slide on the straight-edge plate 102; in practical use, the positioning assembly 3 can be stabilized by rotating the fastening bolt 303 to increase the friction between the sliding plate 301 and the straight-sided plate 102.
Through this technical scheme, through set up constant head tank 1021 on straight flange board 102, the locating component 3 slides with the straight flange board 102 with the help of fastening bolt 303 relatively, and the length direction of backup pad 302 is perpendicular with the length direction of straight flange board 102, makes this protractor obtain stable support through the elasticity of adjustment fastening bolt 303, improves the measurement efficiency of protractor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A protractor convenient to position, characterized by: comprises a angle measuring plate (1), an indicating component (2), a positioning component (3) and a positioning bolt (4); the angle measuring plate (1) comprises an angle plate (101) and a straight edge plate (102); the angle measuring plate (1) is an annular plate, and the head end and the tail end of the angle measuring plate (1) are fixedly connected with the straight edge plate (102); the indicating assembly (2) comprises an indicating plate (201); one end of the indicating plate (201) is rotatably connected with the center of the straight-edge plate (102) through a positioning bolt (4), and the positioning bolt (4) is coaxial with the angle plate (101); the other end of the indicating plate (201) extends to the periphery of the angle plate (101); the indicating plate (201) is provided with an indicating line which is consistent with the radial direction of the angle plate (101);
the positioning assembly (3) comprises a support plate (302); the supporting plate (302) is connected with the straight-side plate (102) in a sliding mode, and the sliding direction is consistent with the length direction of the straight-side plate (102); the length direction of the support plate (302) is perpendicular to the length direction of the straight edge plate (102).
2. A readily positionable angle gauge according to claim 1, wherein: the inner ring and the outer ring of the angle plate (101) are provided with scales for indicating angles, wherein the scales on the outer ring of the angle plate (101) are from 0 degree to 180 degrees; the scale on the inner ring of the angle plate (101) is from 180 to 360 degrees.
3. A readily positionable angle gauge according to claim 1, wherein: the straight side plate (102) is provided with a positioning groove (1021) along the length direction; the positioning assembly (3) further comprises a sliding plate (301) and a fastening bolt (303); the sliding plate (301) is arranged on the rear side of the straight side plate (102), and one end of the sliding plate (301) is fixedly connected with the head end of the supporting plate (302); a screw rod of the fastening bolt (303) penetrates through the positioning groove (1021) and is fixedly connected with the front end of the sliding plate (301); and a screw of the fastening bolt (303) is in line contact with the inner wall of the positioning groove (1021).
4. A readily positionable angle gauge according to claim 3, wherein: the outer diameter of a nut of the fastening bolt (303) and the width of the sliding plate (301) are both larger than the width-direction size of the positioning groove (1021).
5. A readily positionable angle gauge according to claim 1, wherein: the angle plate (101) is provided with a sliding groove (1011) along the circumferential direction; the indicating assembly (2) further comprises a limiting bolt (202); a screw rod of the limiting bolt (202) penetrates through the sliding groove (1011) to be in threaded connection with the front end of the indicating plate (201); the screw rod of the limit bolt (202) is in line contact with the inner wall of the sliding groove (1011).
6. A readily positionable angle gauge according to claim 5, wherein: the axis of the limiting bolt (202) and the axis of the positioning bolt (4) are both positioned on the indicating line.
7. A readily positionable angle gauge according to claim 5, wherein: the outer diameter of the nut of the limiting bolt (202) is larger than the size of the sliding groove (1011) in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222715779.8U CN218469693U (en) | 2022-10-17 | 2022-10-17 | Protractor convenient to locate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222715779.8U CN218469693U (en) | 2022-10-17 | 2022-10-17 | Protractor convenient to locate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218469693U true CN218469693U (en) | 2023-02-10 |
Family
ID=85145934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222715779.8U Active CN218469693U (en) | 2022-10-17 | 2022-10-17 | Protractor convenient to locate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218469693U (en) |
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2022
- 2022-10-17 CN CN202222715779.8U patent/CN218469693U/en active Active
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