CN218966550U

CN218966550U - Improved protractor

Info

Publication number: CN218966550U
Application number: CN202223562250.3U
Authority: CN
Inventors: 王红
Original assignee: Yongkang Chaohua Metal Products Co ltd
Current assignee: Yongkang Chaohua Metal Products Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-05
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an improved protractor, which is equipment adopting the protractor technology, and comprises a main body and a transverse groove, wherein the transverse groove is formed in one side end surface of the main body, a stretching rod is arranged in the transverse groove in a sliding manner, the outer end of the stretching rod is connected with a side rod, the side rod is arranged on a top, and the top is arranged on an arc-shaped plate. According to the utility model, the main body is provided with the transverse groove, the circular seat can be connected in the transverse groove in a sliding way, the extension rod is arranged on the circular seat, the straight plate is arranged on the extension rod in a rotating way, the straight plate can drive the arc plate to rotate around the extension rod, and the arc plate and the main body can form a whole circle when being parallel, so that quick circle drawing is realized, and the efficiency is improved.

Description

Improved protractor

Technical Field

The utility model relates to the technical field of protractors, in particular to an improved protractor.

Background

The protractor is a drawing tool, is made of plastic or iron, and can draw a required angle according to the needs. The compass is often used together, can draw angle, angle measurement, vertical line drawing, parallel line drawing, inclination measurement, verticality and levelness, can be used as an inner right angle turning ruler and an outer right angle turning ruler, can be opened and closed, can be used as a long and short straight ruler and can be intuitively read out, and can draw circles with specified sizes.

The applicant has now found that the following problems exist in practical use:

most angle of protractors in the market are 180 degrees, and a user needs to draw a circle and use the protractors with compasses, but the circle drawing method needs to prepare different drawing tools, so that the burden of personnel is increased, the protractors need to be combined for use when drawing the circle, the process increases the circle drawing step, and quick circle drawing cannot be realized.

Accordingly, there is a need for an improved protractor that solves the above-mentioned problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide an improved protractor aiming at the defects in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides an improvement protractor, includes main part and transverse groove, the transverse groove has been seted up on the one side terminal surface of main part, the transverse inslot slides and is setting up the extension bar, be connected with the side lever on the outside end of extension bar, the side lever sets up on the top, the top sets up on the arc.

The arc-shaped plate is characterized in that the radius of the arc-shaped plate is the same as that of the main body, a straight plate is arranged on the end, facing the main body, of the arc-shaped plate, the straight plate is parallel to the main body, and a plug is arranged on the outer end of the straight plate.

The connecting rod is arranged on one side end face of the top, the connecting rod is perpendicular to the top, a side rod is arranged on the end face of the connecting rod, facing the extension rod, of the connecting rod, the side rod is perpendicular to the connecting rod, and the side rod is parallel to the extension rod.

The side rod is rotatably arranged on the extension rod, a side head is connected to the end of the other side of the extension rod, the side head is mutually perpendicular to the extension rod, and the side head is arranged on the round seat.

The round seat is arranged in a round shape, the side head is arranged on the lateral edge of the outer side of the round seat, the middle part of the round seat is provided with a guide opening, the guide opening is arranged in a round shape, and a guide rod is arranged in a transverse groove corresponding to the guide opening.

The diameter of the guide rod is the same as that of the guide opening, the guide rod is slidably connected in the corresponding guide opening, a baffle is arranged on the outer end of the guide rod, the diameter of the baffle is the same as that of the circular seat, and a return spring is sleeved on the guide rod between the circular seat and the baffle.

Further, an arc-shaped groove is formed in the end face of one side of the main body corresponding to the arc-shaped plate, the arc-shaped plate is clamped in the arc-shaped groove, a straight groove is formed in the main body corresponding to the straight plate connected with the arc-shaped plate, and the straight plate is clamped in the straight groove.

Compared with the related art, the improved protractor provided by the utility model has the following beneficial effects:

the utility model provides an improved protractor, which is characterized in that a transverse groove is formed in a main body, a guide rod is arranged in the transverse groove, a round seat is connected to the guide rod in a sliding manner, the round seat can move on the guide rod, a side head is arranged on the round seat, a stretching rod is arranged on the side head, a side rod is hinged on the stretching rod, the side rod can rotate around the stretching rod, a connecting rod is arranged on the side rod, the connecting rod is arranged on a top, the top is arranged on a straight plate, the straight plate is connected with an arc plate, the arc plate and the straight plate can form a whole circle when rotating to a position parallel to the main body, a person can directly draw a circle when using the protractor without preparing other tools, so that the efficiency of drawing the circle is improved, and the operation of the person is facilitated.

The utility model provides an improved protractor, which is characterized in that a guide rod is arranged in a transverse groove, a baffle is arranged at the outer end of the guide rod, the baffle can limit a circular seat, the circular seat can move on the guide rod between the baffles, a return spring is arranged on the guide rod between the circular seat and the baffle, the return spring can push the circular seat to move inwards, so that a stretcher rod can drive a side rod to move inwards, the side rod can pull an arc plate to move towards a main body, and the arc plate can be tightly connected with the main body, thereby preventing the arc plate from loosening.

Drawings

FIG. 1 is a schematic view of an improved protractor according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of an improved protractor according to the present utility model;

FIG. 3 is a schematic diagram of an improved protractor according to the present utility model;

FIG. 4 is a schematic diagram of the connection of the return spring in an improved protractor according to the present utility model.

Reference numerals in the drawings: 1. a main body; 2. a straight plate; 3. an arc-shaped plate; 4. a straight groove; 5. an arc-shaped groove; 6. a transverse groove; 7. a guide port; 8. a guide rod; 9. a round seat; 10. a lateral head; 11. a stretching rod; 12. a baffle; 13. a rotating rod; 14. a connecting rod; 15. a side bar; 16. a return spring; 17. and (5) a plug.

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. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Embodiment one:

as shown in figure 1, the improved protractor comprises a main body 1 and a transverse groove 6, wherein the transverse groove 6 is formed in one side end surface of the main body 1, a stretching rod 11 is arranged in the transverse groove 6 in a sliding mode, a side rod 15 is connected to the outer end of the stretching rod 11, the side rod 15 is arranged on a top head 17, the top head 17 is arranged on an arc-shaped plate 3, a round seat 9 is slidably connected in the transverse groove 6 through the transverse groove 6 formed in the main body 1, the stretching rod 11 is arranged on the round seat 9, a straight plate 2 is rotatably arranged on the stretching rod 11, the straight plate 2 can drive the arc-shaped plate 3 to rotate around the stretching rod 11, and a whole circle can be formed when the arc-shaped plate 3 is parallel to the main body 1, so that quick circle drawing is realized, and the efficiency is improved.

As shown in fig. 2, the radius of the arc-shaped plate 3 is the same as that of the main body 1, the end of the arc-shaped plate 3 facing the main body 1 is provided with a straight plate 2, the straight plate 2 is parallel to the main body 1, the outer end of the straight plate 2 is provided with a plug 17, and the connection of the connecting rod 14 can be realized through the arrangement of the plug 17.

As shown in fig. 3, a connecting rod 14 is disposed on one side end surface of the top 17, the connecting rod 14 is perpendicular to the top 17, a side rod 15 is disposed on the end surface of the connecting rod 14 facing the extension rod 11, the side rod 15 is perpendicular to the connecting rod 14, the side rod 15 is parallel to the extension rod 11, and the connection of the side rod 15 can be realized through the arrangement of the connecting rod 14.

In implementation, this scheme is through seting up horizontal groove 6 on main part 1, be provided with guide arm 8 in horizontal groove 6, sliding connection is round seat 9 on the guide arm 8, round seat 9 just can remove on guide arm 8, be provided with side head 10 on the round seat 9, be provided with extension rod 11 on the side head 10, the side rod 15 is articulated on the extension rod 11, side rod 15 just can rotate around extension rod 11, be provided with connecting rod 14 on the side rod 15, connecting rod 14 sets up on top 17, top 17 sets up on straight board 2, straight board 2 is connected arc 3, arc 3 and straight board 2 just can constitute a whole circle when rotating to the parallel position with main part 1, just can directly draw the circle when personnel use, need not to use in preparing other instruments, thereby improved the efficiency of drawing the circle, the operation of personnel has been made things convenient for.

Embodiment two:

as shown in fig. 4, on the basis of the first embodiment, the present utility model provides a technical solution: the connecting part of the side rod 15 and the extension rod 11 is provided with a rotating rod 13, the side rod 15 is rotatably arranged on the extension rod 11, the other side end of the extension rod 11 is connected with a side head 10, the side head 10 is mutually perpendicular to the extension rod 11, the side head 10 is arranged on the round seat 9, and the fixation of the extension rod 11 can be realized through the arrangement of the side head 10; the round seat 9 is circularly arranged, the side head 10 is arranged on the lateral edge of the outer side of the round seat 9, the middle part of the round seat 9 is provided with a guide opening 7, the guide opening 7 is circularly arranged, a guide rod 8 is arranged in a transverse groove 6 corresponding to the guide opening 7, and the movement of the round seat 9 can be realized through the arrangement of the guide rod 8; the diameter of the guide rod 8 is the same as that of the guide opening 7, the guide rod 8 is slidably connected in the corresponding guide opening 7, a baffle 12 is arranged at the outer end of the guide rod 8, the diameter of the baffle 12 is the same as that of the circular seat 9, a return spring 16 is sleeved on the guide rod 8 between the circular seat 9 and the baffle 12, and the arc plate 3 can move to the main body 1 through the arrangement of the return spring 16 to prevent the arc plate 3 from moving.

As shown in fig. 4, an arc-shaped groove 5 is formed in the end face of one side of the main body 1 corresponding to the arc-shaped plate 3, the arc-shaped plate 3 is clamped in the arc-shaped groove 5, a straight groove 4 is formed in the straight plate 2 corresponding to the main body 1, which is connected with the arc-shaped plate 3, the straight plate 2 is clamped in the straight groove 4, and the storage of the arc-shaped plate 3 can be realized through the arrangement of the arc-shaped groove 5.

In implementation, this scheme is through setting up guide arm 8 in transverse groove 6, the outside end position of guide arm 8 is setting up baffle 12, baffle 12 just can carry out spacingly to circle seat 9, circle seat 9 just can remove on the guide arm 8 between baffle 12, be provided with reset spring 16 on the guide arm 8 between circle seat 9 and the baffle 12, reset spring 16 just can promote circle seat 9 to the inside removal, thereby just can realize stretching rod 11 drive side lever 15 to the inside removal, side lever 15 just can stimulate arc 3 to the main part 1 position removal, arc 3 just can closely meet with main part 1, thereby prevent that arc 3 from taking place not hard up.

The technical scheme has the advantages in practical application including but not limited to the following points:

the transverse groove 6 is formed in the main body 1, the circular seat 9 is connected in the transverse groove 6 in a sliding mode, the circular seat 9 is connected with the arc plate 3 through the extension rod 11, the arc plate 3 can rotate, and the arc plate 3 can quickly form a whole circle when being parallel to the main body 1, so that the circle drawing efficiency is improved.

When the technical scheme is used, the arc plate 3 is outwards rotated, the arc plate 3 and the main body 1 form a whole circle, the arc plate 3 is rotated to the position of the main body 1 after being drawn, and the arc plate 3 can be clamped into the arc groove 5, so that storage is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved protractor, comprises a main body (1) and a transverse groove (6), and is characterized in that: a transverse groove (6) is formed in one side end face of the main body (1), an extension rod (11) is arranged in the transverse groove (6) in a sliding mode, a side rod (15) is connected to the outer side end of the extension rod (11), the side rod (15) is arranged on a top head (17), and the top head (17) is arranged on the arc-shaped plate (3).

2. The improved protractor according to claim 1, wherein the radius of the arc plate (3) is the same as the radius of the main body (1), a straight plate (2) is arranged on the end of the arc plate (3) facing the main body (1), the straight plate (2) is parallel to the main body (1), and a plug (17) is arranged on the outer end of the straight plate (2).

3. The improved protractor according to claim 2, wherein a connecting rod (14) is arranged on one side end surface of the top head (17), the connecting rod (14) is perpendicular to the top head (17), a side rod (15) is arranged on the end surface of the connecting rod (14) facing the extension rod (11), the side rod (15) is perpendicular to the connecting rod (14), and the side rod (15) is parallel to the extension rod (11).

4. An improved protractor according to claim 3, wherein a rotating rod (13) is arranged at the joint of the side rod (15) and the extension rod (11), the side rod (15) is rotatably arranged on the extension rod (11), a side head (10) is connected to the other end of the extension rod (11), the side head (10) is mutually perpendicular to the extension rod (11), and the side head (10) is arranged on the round seat (9).

5. The improved protractor according to claim 4, wherein the circular seat (9) is circularly arranged, the lateral head (10) is arranged on the lateral edge of the circular seat (9), the middle part of the circular seat (9) is provided with a guide opening (7), the guide opening (7) is circularly arranged, and a guide rod (8) is arranged in a transverse groove (6) corresponding to the guide opening (7).

6. The improved protractor according to claim 5, wherein the diameter of the guide rod (8) is the same as the diameter of the guide opening (7), the guide rod (8) is slidably connected in the corresponding guide opening (7), a baffle plate (12) is arranged on the outer end of the guide rod (8), the diameter of the baffle plate (12) is the same as the diameter of the circular seat (9), and a return spring (16) is sleeved on the guide rod (8) between the circular seat (9) and the baffle plate (12).

7. The improved protractor according to claim 1, wherein an arc-shaped groove (5) is formed in the end face of one side of the main body (1) corresponding to the arc-shaped plate (3), the arc-shaped plate (3) is clamped in the arc-shaped groove (5), a straight groove (4) is formed in the straight plate (2) connected with the arc-shaped plate (3) corresponding to the main body (1), and the straight plate (2) is clamped in the straight groove (4).