CN209756573U - Drawing tool capable of dividing angles equally for mechanical drawing - Google Patents

Abstract

The utility model discloses a machinery mapping is with dividing angle drawing tool equally, including main fixed disk, there is the handle of vertical setting at the top of main fixed disk through bolted connection, there is the dead lever that the level set up in the circumference outer wall both sides of main fixed disk through bolted connection, there is the semicircle dish at the both ends of dead lever through bolted connection, and the top circumference of semicircle dish is provided with the calibrated scale, there is the rotating base the circumference outer wall of main fixed disk through bolted connection, the circular slot has been seted up to the circumference outer wall of rotating base. The utility model discloses in, drawing tool has used the convenience of compasses mapping, and has cooperated the advantage that the angle of protractor was cut apart, combines it together for this drawing tool carries out picking up of angle more easily when using, and the action bars is removed to the elasticity degree that the user of service can directly adjust fixation nut, makes things convenient for the operation that the personnel of mapping carried out the partition angle more.

Description

Drawing tool capable of dividing angles equally for mechanical drawing

Technical Field

The utility model relates to a drawing tool technical field especially relates to an equant angle drawing tool is used in mechanical drawing.

Background

The mechanical drawing is a subject which exactly represents the structural shape, the size, the working principle and the technical requirements of a machine by using a pattern, the pattern is composed of figures, symbols, characters, numbers and the like, is a technical document which expresses design intentions, manufacturing requirements and communication experience and is often called the language of the engineering field, and in addition, the mechanical drawing is also one of basic necessary courses which are set up by most of machinery and related professions of colleges and universities.

In the mechanical drawing process, due to the accuracy of die sinking of drawing machinery, drawing paper is required to ensure accurate proportion, the requirement for dividing angles in the mechanical drawing is very high, and the operation is divided equally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an equant angle drawing tool for mechanical drawing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a machinery mapping is with equant angle drawing tool, includes main fixed disk, there is the handle of vertical setting at the top of main fixed disk through bolted connection, there is the dead lever that the level set up the circumference outer wall both sides of main fixed disk through bolted connection, there is the semicircle dish at the both ends of dead lever through bolted connection, and the top circumference of semicircle dish is provided with the calibrated scale, there is rotating base the circumference outer wall of main fixed disk through bolted connection, the circular slot has been seted up to rotating base's circumference outer wall, and the circumference inner wall slip of circular slot has cup jointed rotatory fixing ball, the circumference outer wall welding of rotatory fixing ball has the action bars that the level set up, and action bars and semicircle dish sliding connection.

Preferably, the scale pointer is installed to the top one end of action bars, and the bottom and the calibrated scale of scale pointer align, and there is fixation nut at the top of action bars through bolted connection.

Preferably, one side of the fixed rod is connected with a limiting arc plate through a bolt, and the top of the limiting arc plate is provided with a limiting fixed groove.

Preferably, the inner wall of the top and the inner wall of the bottom of the limiting arc plate are provided with convex grooves, the top and the bottom of the operating rod are welded with convex blocks, and the convex blocks are slidably connected with the convex grooves.

Preferably, one end of the bottom of the semicircular disc is connected with a positioning fixing column through a bolt, and the bottom of the positioning fixing column is connected with a positioning pointed cone through a bolt.

Preferably, one end of the bottom of the operating rod is connected with a mark fixing column through a bolt, and the bottom of the mark fixing column is connected with a mark pointed cone through a bolt.

Preferably, the bottom of the main fixing disc is connected with an intermediate fixing column through a bolt, and the bottom of the intermediate fixing column is connected with a fixing pointed cone through a bolt.

The utility model has the advantages that:

1. This mechanical drawing uses equant angle graphics primitive, this graphics primitive has used the convenience of compasses mapping, and has cooperated the advantage that the angle of protractor was cut apart, combines it together for this graphics primitive carries out picking up of angle more easily when using, and the action bars is removed to the elasticity degree that user of service can directly adjust fixation nut, makes things convenient for the operation that the personnel of plotting carry out the equant angle more.

2. The equal-angle drawing tool for mechanical drawing is characterized in that the bottom of the drawing tool is connected with a fixed pointed cone, a marking pointed cone and a positioning pointed cone through bolts, so that the height of the drawing tool can be adjusted in the using process, the equal-angle operation is more accurate in the accurate mechanical drawing process, and the drawing quality is improved.

3. This mechanical drawing uses equant angle drawing instrument, the round slot looks joint on rotatory fixed ball and the rotating base is passed through to the one end of the action bars of drawing instrument, is provided with in the centre of action bars moreover with the convex block of the convex groove looks slip joint in the spacing arc board for the action bars is more stable at the pivoted in-process, and drawing is more accurate.

Drawings

Fig. 1 is a schematic side view of an equal-angle drawing tool for mechanical drawing according to the present invention;

Fig. 2 is a schematic top view of a drawing tool for mechanical drawing with equal angles according to the present invention;

fig. 3 is a schematic cross-sectional structure diagram of an equal-division angle drawing tool for mechanical drawing according to the present invention.

In the figure: the device comprises a fixed pointed cone 1, a fixed column 2 in the middle, a main fixed disc 3, a handle 4, a semicircular disc 5, a pointed cone 6, a fixed column 7, an operating rod 8, a dial 9, a fixed rod 10, a limit fixed slot 11, a limit arc plate 12, a scale pointer 13, a fixed nut 14, a rotating base 15, a pointed cone 16, a fixed column 17, a circular groove 18, a fixed ball 19, a convex block 20 and a convex groove 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an equant angle drawing tool for mechanical drawing comprises a main fixed disk 3, the top of the main fixed disk 3 is connected with a vertically arranged handle 4 through a bolt, two sides of the outer circumference wall of the main fixed disk 3 are connected with a horizontally arranged fixed rod 10 through bolts, two ends of the fixed rod 10 are connected with a semi-circular disk 5 through bolts, the circumference of the top of the semi-circular disk 5 is provided with a dial 9, the outer circumference wall of the main fixed disk 3 is connected with a rotating base 15 through bolts, the outer circumference wall of the rotating base 15 is provided with a circular groove 18, the inner circumference wall of the circular groove 18 is slidably sleeved with a rotating fixed ball 19, the outer circumference wall of the rotating fixed ball 19 is welded with an operating rod 8 horizontally arranged, and the operating rod 8 is slidably.

In the utility model, a scale pointer 13 is installed at one end of the top of an operating rod 8, the bottom of the scale pointer 13 is aligned with a dial 9, a fixing nut 14 is connected at the top of the operating rod 8 through a bolt, a limit arc plate 12 is connected at one side of a fixing rod 10 through a bolt, a limit fixing groove 11 is arranged at the top of the limit arc plate 12, a convex groove 21 is arranged on the inner wall of the top and the inner wall of the bottom of the limit arc plate 12, a convex block 20 is welded at the top and the bottom of the operating rod 8 and is in sliding connection with the convex groove 21, one end of the bottom of a semi-circular disc 5 is connected with a positioning fixing column 17 through a bolt, the bottom of the positioning fixing column 17 is connected with a positioning pointed cone 16 through a bolt, one end of the bottom of the operating rod 8 is connected with a marking fixing column 7 through a bolt, the bottom of the marking fixing column 7 is connected, and the bottom of the middle fixing column 2 is connected with a fixed pointed cone 1 through a bolt.

The working principle is as follows: when the drawing tool for mechanical drawing is used, the angle needing to be equally divided is firstly read out, and by loosening the fixing nut 14, rotating the operating rod 8 to look at the scale pointer 13 and adjust the scale pointer to a required angle, screwing the fixing nut 14 to fix the angle, aligning the fixed pointed cone 1 with the center of a circle in a mechanical drawing, pressing down and fixing the positioning pointed cone 16 to a first point, marking the pointed cone 6 to press down and record a second point of the equant angle, then moving the positioning pointed cone 16 to the second point, marking the pointed cone 6 to record a third point of the equant angle, by analogy, the process of dividing the angle equally in the mechanical drawing is carried out, and the whole drawing tool is simple to use and easy to use, and the fixed pointed cone 1, the marking pointed cone 6 and the positioning pointed cone 16 are all connected through bolts, so that the leveling can be adjusted during use, and the equal division angle is more accurate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. An equant angle drawing tool for mechanical drawing, which comprises a main fixed disk (3) and is characterized in that, the top of the main fixed disk (3) is connected with a handle (4) which is vertically arranged through a bolt, two sides of the circumferential outer wall of the main fixed disk (3) are connected with horizontally arranged fixed rods (10) through bolts, two ends of each fixed rod (10) are connected with a semicircular disk (5) through bolts, and the top circumference of the semicircular disc (5) is provided with a dial (9), the circumferential outer wall of the main fixed disc (3) is connected with a rotating base (15) through bolts, the circumferential outer wall of the rotating base (15) is provided with a circular groove (18), and the inner wall of the circumference of the circular groove (18) is sleeved with a rotary fixed ball (19) in a sliding way, the outer wall of the circumference of the rotary fixing ball (19) is welded with an operating rod (8) which is horizontally arranged, and the operating rod (8) is connected with the semicircular disc (5) in a sliding manner.

2. The equal angle drawing tool for machine drawing according to claim 1, wherein a scale pointer (13) is installed at one end of the top of the operating rod (8), the bottom of the scale pointer (13) is aligned with the dial (9), and a fixing nut (14) is connected to the top of the operating rod (8) through a bolt.

3. The drawing tool for drawing with equal angle for mechanical drawing according to claim 2, wherein one side of the fixed rod (10) is connected with a limit arc plate (12) through a bolt, and the top of the limit arc plate (12) is provided with a limit fixing groove (11).

4. The drawing tool for evenly dividing the angle for mechanical drawing according to claim 3, wherein the inner walls of the top and the bottom of the limiting arc plate (12) are provided with convex grooves (21), the top and the bottom of the operating rod (8) are welded with convex blocks (20), and the convex blocks (20) are slidably connected with the convex grooves (21).

5. The drawing tool for drawing machine drawing with equal angles as claimed in claim 4, wherein one end of the bottom of the semicircular disc (5) is connected with a positioning fixing column (17) through a bolt, and the bottom of the positioning fixing column (17) is connected with a positioning pointed cone (16) through a bolt.

6. The equal-angle drawing tool for machine drawing according to claim 5, wherein one end of the bottom of the operating rod (8) is connected with a mark fixing column (7) through a bolt, and the bottom of the mark fixing column (7) is connected with a mark sharp cone (6) through a bolt.

7. the drawing tool for drawing machine drawing with equal angles as claimed in claim 6, wherein the bottom of the main fixing disk (3) is connected with the intermediate fixing column (2) through a bolt, and the bottom of the intermediate fixing column (2) is connected with the fixing pointed cone (1) through a bolt.