CN214001136U

CN214001136U - Compasses with intelligence automatic positioning rotary mechanism

Info

Publication number: CN214001136U
Application number: CN202022484976.4U
Authority: CN
Inventors: 翟邦然
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-08-20
Anticipated expiration: 2030-10-31

Abstract

The utility model belongs to the technical field of teaching aid, specifically disclose a compasses with intelligence automatic positioning rotary mechanism, including installation cover, main scale, rotational positioning mechanism and guiding mechanism. Compared with the existing common compasses, the compasses with the intelligent automatic positioning rotating mechanism have the advantages that the structure is ingenious, the protective sleeve is rotated and slid through the protective sleeve, the protective sleeve is fixed through the matching of the connecting column and the chute when a circle is drawn, the position of the protective sleeve can be fixed through the magnetic sheet, the circle center deviation during circle drawing is prevented, and the protective sleeve can prevent the stitch from being abraded and stabbing other people when the circle is not drawn; the utility model discloses a set up ratchet and pawl, through the cooperation of ratchet and pawl, when the main scale was in the installation cover left side, can draw the circle at the automatic landing of effect under gravity, when the main scale was on the installation cover right side, the main scale can not fall, makes things convenient for the mr to mark on the circle.

Description

Compasses with intelligence automatic positioning rotary mechanism

Technical Field

The utility model relates to a teaching aid technical field specifically is a compasses with intelligence automatic positioning rotary mechanism.

Background

Compasses are used for drawing a circle or a string in mathematics and drawing, are commonly used for ruler drawing, and the current blackboard is mostly an iron blackboard, and traditional iron point compasses can not be better used on the iron blackboard, so when the teacher uses the compasses to draw a circle in a mechanical drawing class, what used when drawing a circle on the blackboard is traditional wood two-legged compasses.

The prior patent (public number: CN 211138815U) discloses a compasses, which comprises a circle center disc, a positioning cylinder, a positioning foot, a pull rod, a chalk clip and the like, wherein the circle center disc takes a circular magnet as a main body, the positioning cylinder is provided with two pull rod holes, the pull rod is matched with the pull rod holes, and the pull rod is inserted into the two pull rod holes without a gap and pulled. The following problems in the prior art are found in the process of realizing the scheme, and the problems are not well solved: 1. the device has no protection structure, so that the positioning angle is easy to wear when not used, and the positioning angle is easy to stab other people; 2. the device does not have rotary positioning mechanism, when the mr need mark this circle when drawing the circle, the compasses are easy to swing, need put down the compasses and mark again, consequently need draw the circle again after the mark is accomplished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compasses with intelligence automatic positioning rotary mechanism to provide following not enough in solving above-mentioned background art: 1. the positioning angle is easy to wear and stab other people; 2. when the teacher marks, the compasses are easy to swing.

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

the utility model provides a compasses with intelligence automatic positioning rotary mechanism, includes installation cover, main scale, rotational positioning mechanism and guiding mechanism, one side fixedly connected with main scale of installation cover, the erection column has been cup jointed to the installation cover internal rotation, the top fixedly connected with of erection column presses the briquetting, the bottom fixedly connected with stitch of erection column, the lower extreme of erection column slides and has cup jointed the protective sheath, the bottom fixedly connected with magnetic sheet of protective sheath.

Rotatory positioning mechanism includes ratchet, pawl, torsional spring, spliced pole and spout, the fixed inboard of cup jointing at the installation cover of ratchet, the both sides that the erection column corresponds each other are all rotated and are installed the pawl, pawl and ratchet intermeshing, the pawl is equipped with the torsional spring on a side near the erection column, one side fixedly connected with spliced pole of erection column, it has the spout to open on the sheath, the spliced pole is located the spout.

The adjusting mechanism comprises a sliding sleeve, a fixed knob, a pen cap and a tension spring, the sliding sleeve is slidably sleeved and mounted on the main scale, the tension spring is fixedly connected between the sliding sleeve and the mounting sleeve, the fixed knob is connected to one side of the sliding sleeve through threads, the pen cap is fixedly connected to the bottom of the sliding sleeve, and the pen cap is connected to the bottom of the pen cap through threads.

Furthermore, the fixed cover of erection column has been connected with two snap rings, the erection column rotates to cup joint through the snap ring and installs in the erection sleeve.

Furthermore, the top of the main scale is fixedly connected with a scale bar, and the top of the sliding sleeve is provided with a reading hole.

Further, the main scale is provided with a mounting groove, the tension spring is positioned in the mounting groove, and the sliding sleeve is slidably sleeved and mounted on the main scale through the mounting groove.

Furthermore, grooves are formed in two sides of the mounting column corresponding to each other, and the pawls are located in the grooves.

Furthermore, one end of the torsion spring is fixedly connected to the pawl, and the other end of the torsion spring is fixedly connected to one side wall of the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses the structure is ingenious, through setting up protective sheath, spliced pole and spout, when drawing a circle, can fix the position of protective sheath through the cooperation of spliced pole and spout through rotating and sliding the protective sheath, make the magnetic sheet attached on the blackboard, thereby fix the position of stitch, prevent the centre of a circle skew when drawing a circle, when not drawing a circle, the protective sheath can play the guard action to the stitch, prevent that the stitch from receiving wearing and tearing and stabbing other people;

(2) the utility model discloses a set up the ratchet, pawl and extension spring, through the cooperation of ratchet and pawl, when the main scale is in the installation cover left side, can draw the circle at the automatic landing of gravity effect down, make mr need not draw the circle with both hands are crisscross, when the main scale is on the installation cover right side, the main scale can not fall, make things convenient for mr to mark on the circle, after the use, under the spring action of extension spring, the sliding sleeve can automatic playback, thereby make installation cover and sliding sleeve lean on together, conveniently deposit and use next time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the mounting sleeve and the protective sleeve of the present invention;

fig. 4 is a schematic cross-sectional view of the mounting sleeve of the present invention.

The list of components represented by the various reference numbers in the figures is as follows: 1-mounting a sleeve; 2-main ruler; 3-mounting a column; 4-pressing block; 5-stitch; 6-protective sleeve; 7-magnetic sheet; 8-ratchet wheel; 9-a pawl; 10-torsion spring; 11-a sliding sleeve; 12-a fixed knob; 13-pen cap; 14-a pen cap; 15-a scale bar; 16-a snap ring; 17-connecting column; 18-a chute; 19-read well; 20-mounting grooves; 21-tension spring.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, a compasses with intelligence automatic positioning rotary mechanism, includes installation cover 1, main scale 2, rotary positioning mechanism and guiding mechanism, one side fixedly connected with main scale 2 of installation cover 1, the top fixedly connected with scale bar 15 of main scale 2, it has mounting groove 20 to open on the main scale 2, extension spring 21 is located mounting groove 20, erection column 3 has been cup jointed to the 1 internal rotation of installation cover, it has two snap rings 16 to fix the cover on the erection column 3, erection column 3 rotates through snap ring 16 to cup joint and installs in installation cover 1, the top fixedly connected with of erection column 3 presses piece 4, the bottom fixedly connected with stitch 5 of erection column 3, protective sheath 6 has been cup jointed in the lower extreme slip of erection column 3, the bottom fixedly connected with magnetic sheet 7 of protective sheath 6.

Rotatory positioning mechanism includes ratchet 8, pawl 9, torsional spring 10, spliced pole 17 and spout 18, ratchet 8 is fixed cup joints the inboard at installation cover 1, all open flutedly on the both sides that the erection column 3 corresponds each other, the both sides that the erection column 3 corresponds each other all rotate and install pawl 9, pawl 9 is located the recess, pawl 9 and ratchet 8 intermeshing, pawl 9 is equipped with torsional spring 10 on a side face that is close to erection column 3, the one end fixed connection of torsional spring 10 is on pawl 9, the other end fixed connection of torsional spring 10 is on a lateral wall of recess, one side fixedly connected with spliced pole 17 of erection column 3, it has spout 18 to open on protective sheath 6, spliced pole 17 is located spout 18.

The utility model discloses a use as follows: when drawing a circle, press and press the briquetting 4, anticlockwise rotate the main scale 2, can draw a circle to when using, through the cooperation of ratchet 8 and pawl 9, when the main scale 2 is in installation cover 1 left side, can draw a circle at the automatic landing under the effect of gravity, make the mr need not draw a circle with both hands are crisscross, when the main scale 2 is on installation cover 1 right side, main scale 2 can not fall, makes things convenient for the mr to vacate the right hand and marks on the circle.

Example 2:

Adjustment mechanism includes slip cap 11, fixed knob 12, pen socket 13, cap for brush 14 and extension spring 21, slip cap 11 slides through mounting groove 20 and cup joints and installs on main scale 2, it has reading hole 19 to open at the top of slip cap 11, fixedly connected with extension spring 21 between slip cap 11 and the installation cover 1, one side threaded connection of slip cap 11 has fixed knob 12, the bottom fixedly connected with pen socket 13 of slip cap 11, the bottom threaded connection of pen socket 13 has cap for brush 14.

The utility model discloses a use as follows: when the chalk is used, the pen cap 14 is unscrewed, chalk is placed in the pen cap 13, the pen cap 14 is screwed, the chalk is fixed in the pen cap 13, the pin 5 is exposed, the pin 5 is aligned to the circle center, the protective sleeve 6 is rotated and then moved downwards, the connecting column 17 is moved to the upper end of the sliding groove 18 from the lower end of the sliding groove 18, the magnetic sheet 7 can be attached to the blackboard under the action of magnetic force, the friction force between the device and the blackboard can be increased, the pin 5 is prevented from moving, the device can be taken out by holding the device outwards and exerting slight force after use is finished, the fixing knob 12 is loosened, the sliding sleeve 11 can automatically return to the position under the action of the elastic force of the tension spring 21, and the chalk is convenient to use next time.

The working principle is as follows: when the chalk is used, the pen cap 14 is unscrewed, chalk is placed in the pen sleeve 13, the pen cap 14 is screwed, the chalk is fixed in the pen sleeve 13, the sliding sleeve 11 is moved, the scales on the main scale 2 are observed through the reading hole 19, when the reading hole 19 moves to a proper distance, the fixing knob 12 is twisted to fix the position of the sliding sleeve 11, the pin 5 is exposed, the pin 5 is aligned to the center of a circle, the protective sleeve 6 is rotated and then moved downwards, the connecting column 17 is moved to the upper end of the sliding groove 18 from the lower end of the sliding groove 18, the magnetic sheet 7 is attached to the blackboard under the action of magnetic force, the friction force between the device and the blackboard is increased, the pin 5 is prevented from moving, the pressing block 4 is pressed, the main scale 2 is rotated anticlockwise, circles can be drawn, when the chalk is used, the ratchet 8 is matched with the pawl 9, when the main scale 2 is arranged on the left side of the sleeve 1, circles can be automatically slid down under the action of gravity, make the mr need not draw the circle with the both hands is crisscross, when main scale 2 was on installation cover 1 right side, main scale 2 can not fall, makes things convenient for the mr to vacate the right hand and marks on the circle.

After the use is finished, the device can be taken out by holding the device outwards and exerting slight force, then the fixing knob 12 is loosened, and the sliding sleeve 11 can automatically return to the original position under the action of the elastic force of the tension spring 21, so that the device is convenient to use next time.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The compasses with the intelligent automatic positioning rotating mechanism comprise an installation sleeve (1), a main scale (2), a rotary positioning mechanism and an adjusting mechanism, and are characterized in that the main scale (2) is fixedly connected to one side of the installation sleeve (1), an installation column (3) is rotatably sleeved in the installation sleeve (1), a pressing block (4) is fixedly connected to the top end of the installation column (3), a pin (5) is fixedly connected to the bottom end of the installation column (3), a protective sleeve (6) is slidably sleeved at the lower end of the installation column (3), and a magnetic sheet (7) is fixedly connected to the bottom end of the protective sleeve (6);

the rotary positioning mechanism comprises a ratchet wheel (8), a pawl (9), a torsion spring (10), a connecting column (17) and a sliding groove (18), the ratchet wheel (8) is fixedly sleeved on the inner side of the mounting sleeve (1), the two sides, corresponding to each other, of the mounting column (3) are respectively rotatably provided with the pawl (9), the pawl (9) and the ratchet wheel (8) are meshed with each other, the torsion spring (10) is arranged on one side face, close to the mounting column (3), of the pawl (9), the connecting column (17) is fixedly connected to one side of the mounting column (3), the sliding groove (18) is formed in the protective sleeve (6), and the connecting column (17) is located in the sliding groove (18);

guiding mechanism includes slip cap (11), fixed knob (12), pen socket (13), cap for brush (14) and extension spring (21), slip cap (11) slip cup joint is installed on main scale (2), fixedly connected with extension spring (21) between slip cap (11) and the installation cover (1), one side threaded connection of slip cap (11) has fixed knob (12), the bottom fixedly connected with pen socket (13) of slip cap (11), the bottom threaded connection of pen socket (13) has cap for brush (14).

2. The compasses with intelligent automatic positioning and rotating mechanism according to claim 1, wherein two snap rings (16) are fixedly sleeved on said mounting post (3), and said mounting post (3) is rotatably sleeved in said mounting sleeve (1) through said snap rings (16).

3. The compasses with intelligent automatic positioning rotating mechanism according to claim 1, characterized in that the top of said main ruler (2) is fixedly connected with a graduated scale (15), and the top of said sliding sleeve (11) is opened with a reading hole (19).

4. The compasses with intelligent automatic positioning rotating mechanism according to claim 1, wherein said main ruler (2) is provided with a mounting groove (20), said tension spring (21) is positioned in said mounting groove (20), said sliding sleeve (11) is slidably sleeved and mounted on said main ruler (2) through said mounting groove (20).

5. The compasses with intelligent automatic positioning and rotating mechanism according to claim 1, wherein said mounting post (3) has a groove on both sides corresponding to each other, and said pawl (9) is located in the groove.

6. The compasses with intelligent automatic positioning and rotating mechanism according to claim 1 or 5, wherein one end of said torsion spring (10) is fixedly connected to the pawl (9), and the other end of said torsion spring (10) is fixedly connected to one side wall of the groove.