CN214892929U

CN214892929U - Angle gauge

Info

Publication number: CN214892929U
Application number: CN202121617825.XU
Authority: CN
Inventors: 林科
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-23
Filing date: 2021-07-16
Publication date: 2021-11-26
Anticipated expiration: 2031-07-16

Abstract

The utility model provides an angle gauge belongs to measuring tool technical field. The technical problem that an existing protractor is small in measurable angle range is solved. The angle gauge is characterized by comprising a first pointer, a second pointer, a first angle scale, a second angle scale and a mandrel, wherein a first rotating groove, a second rotating groove, a third rotating groove and a fourth rotating groove are sequentially formed in the mandrel along the axial direction, one end of the first pointer is fixed with the first rotating ring, the first rotating ring is rotatably sleeved in the first rotating groove, one end of the second pointer is fixed with the second rotating ring, the second rotating ring is rotatably sleeved in the second rotating groove, a first rotating hole is formed in the center of the first angle scale, the first rotating hole can be freely rotatably sleeved in the third rotating groove, a second rotating hole is formed in the center of the second angle scale, the second rotating hole is rotatably sleeved in the fourth rotating groove, and a balancing weight is fixed to the bottom end of the first angle scale through a connecting rod. The utility model has the advantages of measurable and angle drawing convenience.

Description

Angle gauge

Technical Field

The utility model belongs to the technical field of the measuring tool, a angle gauge is related to, especially an angle gauge of measuring on the blackboard.

Background

The angle is usually measured or plotted by a protractor, and the conventional protractor is usually semicircular, the measured angle range is usually 0-180 degrees, and the measured angle range is limited. In addition, when drawing angle lines, the traditional protractor can only draw two included angle lines of a single angle, and cannot draw a plurality of continuous included angles simultaneously. In addition, when the traditional protractor is used for drawing angles, the angle clamping line needs to be drawn by matching with a straight ruler, and the drawing process is inconvenient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an angle gauge, solved the problem that exists in the background art, improved the convenience of angular surveying and drawing.

The purpose of the utility model can be realized by the following technical proposal: an angle gauge is characterized by comprising a first pointer, a second pointer, a first angle scale, a second angle scale and a mandrel, wherein one end of the mandrel is a bottom end, the other end of the mandrel is a top end, a cylindrical surface of the mandrel is sequentially provided with a first rotating groove, a second rotating groove, a third rotating groove and a fourth rotating groove along the axial direction from the bottom end, one end of the first pointer is fixed with a first rotating ring, the first rotating ring is rotatably sleeved in the first rotating groove, one end of the second pointer is fixed with the second rotating ring, the second rotating ring is rotatably sleeved in the second rotating groove, a first rotating hole is formed in the center of the first angle scale, the first rotating hole can be freely rotatably sleeved in the third rotating groove, a second rotating hole is formed in the center of the second angle scale, the second rotating hole is rotatably sleeved in the fourth rotating groove, a balancing weight is fixed at the bottom end of the first angle scale through a connecting rod, the first angle scale is marked in the circumferential direction of the first angle scale, and a second angle scale is marked in the circumferential direction of the second angle scale, and a handheld wheel is fixed at the top end of the mandrel.

The center of the bottom end of the mandrel is provided with a center hole, a thimble is slidably inserted in the center hole, the tip of the thimble extends out of the center hole, and the tail of the thimble is abutted against a compression spring arranged in the center hole.

An anti-slip gasket is fixed at the bottom end of the mandrel and is a rubber gasket.

When the first angle scale is located at the position where the counterweight block freely droops, the zero line of the first angle scale is in the horizontal direction.

The hand-held wheel is in a regular pentagonal prism shape.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses, but have the wide advantage of measurable angle scope.

2. The utility model discloses, have the wide advantage of angle range of can drawing.

3. The utility model discloses, need not be with the help of other drawing instruments such as rulers, can draw the straight line that is certain contained angle with the water flat line, have the convenient advantage of drawing.

4. The utility model discloses, can draw and be the straight line of certain angle with a known slash, have the convenient advantage of drawing.

5. The utility model discloses, can draw continuous a plurality of contained angles, have the convenient advantage of drawing.

Drawings

Fig. 1 is a schematic diagram of a forward axial measurement structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention measured from the back.

Fig. 3 is a schematic view of the structure of the mandrel of the present invention.

Fig. 4 is a schematic diagram of a first pointer structure of the present invention.

Fig. 5 is a schematic structural diagram of the angle scale of the present invention.

Fig. 6 is a schematic view of the thimble mounting structure of the present invention.

In the figure, 1, a first pointer; 2. a second pointer; 3. an angle scale I; 4. an angle scale II; 5. a mandrel; 6. a first rotary groove; 7. a second rotary groove; 8. rotating the third groove; 9. rotating the groove four; 10. rotating a first ring; 11. rotating the first hole; 12. a connecting rod; 13. a balancing weight; 14. angle scales are I; 14a, a zero line; 15. angle scales II; 16. a hand-held wheel; 17. a thimble; 18. a compression spring; 19. an anti-slip washer.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-6, an angle gauge is characterized by comprising a first pointer 1, a second pointer 2, a first angle scale 3, a second angle scale 4 and a mandrel 5, wherein one end of the mandrel 5 is a bottom end, the other end of the mandrel 5 is a top end, a cylindrical surface of the mandrel 5 is provided with a first rotating groove 6, a second rotating groove 7, a third rotating groove 8 and a fourth rotating groove 9 in sequence from the bottom end along the axial direction, one end of the first pointer 1 is fixed with a first rotating ring 10, the first rotating ring 10 is rotatably sleeved in the first rotating groove 6, one end of the second pointer 2 is fixed with a second rotating ring, the second rotating ring is rotatably sleeved in the second rotating groove 7, in the embodiment, in order to enable the first pointer 1 and the second pointer 2 to rotate and maintain the fixed positions after the rotation, an annular friction washer is sleeved on the first rotating groove 6 and the second rotating groove 7, the friction washer is a teflon washer, and when the assembly, a certain extrusion force is generated between the side wall of the first rotating ring 10 and the side wall of the friction washer, the first rotating part and the second rotating part generate certain resistance in rotation. The center of the first angle scale 3 is provided with a first rotating hole 11, the first rotating hole 11 can be freely rotatably sleeved in a third rotating groove 8, the center of the second angle scale 4 is provided with a second rotating hole, the second rotating hole can be rotatably sleeved in a fourth rotating groove 9, the bottom end of the first angle scale 3 is fixedly provided with a balancing weight 13 through a connecting rod 12, the first angle scale 14 is carved in the circumferential direction of the first angle scale 3, the second angle scale 15 is carved in the circumferential direction of the second angle scale 4, and the top end of the mandrel 5 is fixedly provided with a handheld wheel 16.

The bottom center of the mandrel 5 is provided with a center hole, a thimble 17 is slidably inserted in the center hole, the tip of the thimble 17 extends out of the center hole, and the tail of the thimble 17 is abutted against a compression spring 18 arranged in the center hole.

The bottom end of the mandrel 5 is fixed with an anti-slip washer 19.

When the angle scale I3 is at the position where the weighted block 13 hangs down freely, the zero line 14a of the angle scale I14 faces horizontally.

The hand-held wheel 16 is in a regular pentagonal prism shape, and is convenient for a user to hold the hand-held wheel.

The working principle of the utility model is as follows:

1. function one: the angle is measured.

A user holds the hand-held wheel 16 with one hand, the tip of the thimble 17 is aligned with the intersection point of the two angle lines, the thimble 17 retracts inwards under the action of the compression spring 18, the anti-skidding gasket 19 is abutted to the blackboard to play an anti-skidding role, the angle gauge is fixed on the blackboard, the first pointer 1 is stirred to be aligned with one of the angle lines, then the angle scale II 4 is rotated to enable the zero line of the angle scale II 15 of the angle scale II 4 to be aligned with the first pointer 1, then the second pointer 2 is stirred to be aligned with the other angle line, and the angle scale value pointed by the second pointer 2 on the angle scale II 4 is the included angle of the two measured straight lines.

2. And a second function: and drawing a straight line forming a certain included angle with the horizontal line.

A user holds the hand-held wheel 16 with one hand, the tip of the thimble 17 is propped against the blackboard, the thimble 17 retracts inwards under the action of the compression spring 18, the anti-slip washer 19 is abutted against the blackboard to play an anti-slip role, the angle gauge is fixed on the blackboard, the angle scale I3 is under the action of free sag of the balancing weight 13, the zero line 14a scale of the angle scale I14 of the angle scale I3 is horizontally oriented, the angle scale I is horizontally oriented towards the left in the embodiment, the first pointer 1 is rotated, the rotated angle of the first pointer 1 is read from the angle scale I14, then a straight line at a required inclination angle is drawn along the first pointer 1 by chalk, the drawn inclination angle range is between 0 and 360 degrees, and the angle gauge has the advantage of wide drawing angle range.

3. And function III: and drawing a straight line which forms a certain angle with a known oblique line.

A user holds the hand-held wheel 16 with one hand, the tip of the thimble 17 is aligned with the end point of the known oblique line and pressed in, the first pointer 1 is rotated, the first pointer 1 is aligned with the known oblique line, then the angle scale II 4 is rotated, the zero line 14a of the angle scale II 4 is aligned with the first pointer 1, then the second pointer 2 is rotated, the required rotating angle of the second pointer 2 is read out from the second angle scale, and a straight line is drawn along the second pointer 2 by chalk, namely the straight line which is required to be drawn and forms a certain angle with the known oblique line. If the two straight lines need to be drawn as an intersection point, the two straight lines can be extended to intersect by using the ruler.

4. And the function is four: and drawing a plurality of continuous included angles.

A user holds the hand-held wheel 16 with one hand, the tip of the thimble 17 is supported on the blackboard, the first angle scale 3 is under the free drooping action of the balancing weight 13, the zero line 14a scale of the angle scale 14 of the first angle scale 3 is positioned at the horizontal leftward position, the first pointer 1 is shifted to be aligned with the zero line 14a scale of the first angle scale 3, a horizontal line is drawn along the first pointer 1, the first pointer 1 is rotated, a required rotating angle is read from the angle scale 14 of the first angle scale 3, a second straight line is drawn along the first pointer 1, a certain included angle is formed between the first straight line and the just drawn first horizontal line, then the second angle scale 4 is rotated, the zero line 14a of the angle scale 15 on the second angle scale 4 is aligned with the first pointer 1, the second pointer 2 is rotated, the rotated angle is read from the angle scale 15, a third straight line which forms a certain included angle with the second straight line is drawn along the second pointer 2, at this point, two consecutive angle renderings are complete. By analogy, when three or more continuous angles need to be drawn, the first pointer 1 is only required to be shifted to the third drawn straight line, and the operation is repeated.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the first pointer, is used more herein; 2. a second pointer; 3. an angle scale I; 4. an angle scale II; 5. a mandrel; 6. a first rotary groove; 7. a second rotary groove; 8. rotating the third groove; 9. rotating the groove four; 10. rotating a first ring; 11. rotating the first hole; 12. a connecting rod; 13. a balancing weight; 14. angle scales are I; 14a, a zero line; 15. angle scales II; 16. a hand-held wheel; 17. a thimble; 18. a compression spring; 19. slip-resistant gaskets, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An angle gauge is characterized by comprising a first pointer (1), a second pointer (2), an angle scale I (3), an angle scale II (4) and a mandrel (5), wherein one end of the mandrel (5) is a bottom end, the other end of the mandrel is a top end, a cylindrical surface of the mandrel (5) is sequentially provided with a first rotating groove (6), a second rotating groove (7), a third rotating groove (8) and a fourth rotating groove (9) along the axial direction from the bottom end, one end of the first pointer (1) is fixed with a first rotating ring (10), the first rotating ring (10) is rotatably sleeved in the first rotating groove (6), one end of the second pointer (2) is fixed with a second rotating ring, the second rotating ring is rotatably sleeved in the second rotating groove (7), a first rotating hole (11) is formed in the center of the angle scale I (3), the first rotating hole (11) is freely rotatably sleeved in the third rotating groove (8), a second rotating hole is formed in the center of the angle scale II (4), the rotatable cover in the rotary groove four (9) of rotating hole two is established, the bottom of angle scale (3) is fixed with a balancing weight (13) through connecting rod (12), and the circumferencial direction of angle scale (3) is carved with angle scale (14), the circumferencial direction of angle scale two (4) is carved with angle scale two (15), the top of dabber (5) is fixed with handheld wheel (16).

2. An angle gauge according to claim 1, characterized in that the bottom center of the mandrel (5) is provided with a central hole, a thimble (17) is slidably inserted in the central hole, the tip of the thimble (17) extends out of the central hole, and the tail of the thimble (17) is abutted against a compression spring (18) arranged in the central hole.

3. An angle gauge according to claim 1, characterized in that the bottom end of the spindle (5) is fixed with an anti-slip washer (19).

4. An angle gauge according to claim 1, characterized in that the zero line (14a) of the first angle scale (14) is in a horizontal orientation when the first angle scale (3) is in a position freely depending from the counterweight (13).

5. An angle gauge according to claim 1, characterized in that the hand-held wheel (16) has a regular pentagonal prism shape.