CN216184082U

CN216184082U - Combined drawing compasses for mathematics

Info

Publication number: CN216184082U
Application number: CN202122410207.4U
Authority: CN
Inventors: 王从强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-05
Anticipated expiration: 2031-10-08

Abstract

The application discloses combination formula mapping compasses is used to mathematics, including fixed plate, circular logical groove, bearing structure, sliding structure and pushing structure, the fixed plate is the triangle-shaped structure, the equal slope of three side of fixed plate sets up, circular logical groove has been seted up to the centre of fixed plate lateral wall, the rotation groove has been seted up on the inside wall in circular logical groove, the rotation groove is the loop configuration, it is provided with bearing structure to rotate the inslot. Be carved with the length scale mark on the fixed plate of this application, can draw the straight line of certain length, triangle-shaped can be drawn to the three side of fixed plate, manually hold up the carriage, the carriage drives the chalk and rotates and draw circularly, can make things convenient for the teacher to go on carrying out the drawing of multiple figure during class, this application is manual to be pressed the fixed block, the fixed block promotes the catch bar and slides downwards, the chalk in the catch bar promotion chalk joint cover, push out the chalk joint cover with the chalk, convenient and fast will break the chalk in the chalk joint cover and take out.

Description

Combined drawing compasses for mathematics

Technical Field

The application relates to the field of drawing, in particular to a combined drawing compass for mathematics.

Background

Mathematics [ english: mathematics, derived from the ancient Greek μ θ η μ α (m th yama); often abbreviated as math or maths ], is a discipline that studies the concepts of quantity, structure, variation, space, and information. Mathematics is a general means for human beings to strictly describe the abstract structure and mode of things, can be applied to any problem in the real world, and all mathematical objects are artificially defined in nature. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In the process of mathematical education in primary schools and junior high schools, circular drawing is usually required, and compasses are tools for drawing circles

However, the traditional compasses can only draw a single circle, can not draw other figures, and need help other drawing tools when drawing other figures, which is very inconvenient. Therefore, a combined mathematical construction compass is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides a combined drawing compass for mathematics, which is used for solving the problem that in the prior art, only single round drawing can be performed and chalk is broken and cannot be taken out in a chalk clamping sleeve.

According to an aspect of this application, a combination formula mapping compasses is used to mathematics is provided, including fixed plate, circular logical groove, bearing structure, sliding structure and pushing structure, the fixed plate is the triangle-shaped structure, the equal slope setting of three side of fixed plate, circular logical groove has been seted up to the centre of fixed plate lateral wall, the rotation groove has been seted up on the inside wall in circular logical groove, the rotation groove is the loop configuration, it is provided with bearing structure to rotate the inslot, the last sliding structure that is provided with of bearing structure, the last pushing structure that is provided with of sliding structure, the bottom lateral wall fixed connection slipmat of fixed plate.

Furthermore, the fixing plate is made of a transparent plastic plate.

Furthermore, the non-slip mat is made of rubber materials.

Furthermore, angle scale marks are arranged on the outer side wall of the top of the fixing plate around the circular through groove.

Further, bearing structure includes bracing piece and lug, the both ends sliding connection of bracing piece rotates the inslot, the both ends of bracing piece are circular-arc structure, the inside wall in groove is rotated in the laminating of the both ends of bracing piece, the centre of bracing piece is provided with two lugs.

Furthermore, a first sliding groove is formed in the supporting rod and is located on the right side of the protruding block.

Further, sliding construction includes carriage, slide bar and chalk joint cover, carriage sliding connection is on the bracing piece, the carriage is located the right side of lug, the lateral wall on carriage right side sets to circular-arc structure, fixed connection slide bar on the inside wall of carriage, slide bar sliding connection is in sliding tray one, the bottom lateral wall fixed connection chalk joint cover of carriage.

Furthermore, a third sliding groove is formed in the sliding frame and the sliding rod, a second sliding groove is formed in the top of the chalk clamping sleeve, and the second sliding groove is located right below the third sliding groove.

Further, the promotion structure includes fixed block, spring and catch bar, catch bar sliding connection is in sliding tray two and sliding tray three, the circular shape fixed block of top fixed connection of catch bar, the one end of the bottom lateral wall fixed connection spring of fixed block, the other end fixed connection of spring is at the top of carriage, the catch bar is located the inside of spring.

Furthermore, length scale marks are arranged on the outer side walls of the tops of the fixing plate and the supporting rod.

Through the above-mentioned embodiment of this application, adopted fixed plate, bearing structure, sliding construction and pushing structure, solved and to have carried out single circular drawing and the problem that the chalk absolutely can not take out in chalk joint cover, gained and made things convenient for the teacher to carry out the drawing of multiple figure and the effect that convenient and fast will break the chalk in chalk joint cover and take out when taking a lesson.

Drawings

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

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic diagram of the overall side view internal structure of an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 1A according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a partial enlarged structure at B in fig. 3 according to an embodiment of the present application.

In the figure: 1. a fixing plate; 2. a circular through groove; 3. a support structure; 301. a support bar; 302. a bump; 4. a rotating groove; 5. a sliding structure; 501. a carriage; 502. a slide bar; 503. a chalk clamping sleeve; 6. a first sliding groove; 7. the anti-slip mat 8 is arranged on the sliding groove II; 9. a sliding groove III; 10. a pushing structure; 1001. a fixed block; 1002. a spring; 1003. a push rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The compasses in the embodiment can be suitable for drawing on a blackboard, for example, the following blackboard is provided in the embodiment, and the compasses in the embodiment can be used for drawing on the following blackboard.

A blackboard comprises a blackboard body and a wiping part used for wiping the blackboard body, wherein a curtain device used for receiving an image projected by a projector is arranged on the blackboard body and slides along the transverse direction of the blackboard body, the curtain device comprises a first sliding rod and a second sliding rod which slide along the transverse direction of the blackboard body and a curtain body used for receiving the image projected by the projector, the curtain body is contracted and placed in the first sliding rod, a reset part used for resetting the curtain body extending out of the first sliding rod is arranged in the first sliding rod, a fixing part used for fixing the curtain body is arranged on the second sliding rod, the first sliding rod and the second sliding rod are arranged in parallel, the first sliding rod and the second sliding rod extend along the longitudinal direction of the blackboard body and are matched with the length dimension of the blackboard body in the longitudinal direction, the blackboard body is internally provided with a limiting component which is used for fixing and limiting the first sliding rod and the second sliding rod and is used for driving the first sliding rod and the second sliding rod to slide together;

the blackboard comprises a blackboard body, and is characterized in that two ends of the transverse direction of the blackboard body are respectively provided with a wiping part, the wiping parts comprise a wiping plate used for wiping the blackboard body and a driving mechanism used for driving the wiping plate to move back and forth on the blackboard body, the wiping plate is arranged along the longitudinal direction of the blackboard body in an extending mode and is matched with the length dimension of the wiping plate in the longitudinal direction of the blackboard body, a control switch used for starting or closing the driving mechanism is arranged on the blackboard body, reversing switches used for controlling the reverse operation of the driving mechanism are arranged on a first sliding rod and a second sliding rod, and the driving mechanism drives the wiping plate to touch the reversing switches to enable the driving mechanism to reverse and drive the wiping plate to reversely slide in the moving process.

Spacing part connects the threaded rod on the base including sliding, rotates and connects on the base and fixed connection is on the base and be used for driving threaded rod pivoted rotation motor and be used for promoting the base and be close to or keep away from the rim plate of first slide bar and second slide bar, the rim plate rotates and connects on the blackboard body, and the rim plate positive direction of rotation in-process base towards the direction removal of first slide bar and second slide bar, set up the commentaries on classics hand that conveniently rotates the rim plate with the confession user on the rim plate, first slide bar and second slide bar are provided with the thread groove with threaded rod looks adaptation towards one side of threaded rod.

One end of the threaded rod far away from the base is provided with a handle for a user to manually rotate the threaded rod.

The blackboard eraser is characterized in that the erasing plate is provided with a water sprinkling component, and the two transverse sides of the erasing plate are provided with drying components for drying the blackboard body.

The watering part is including setting up the immersible pump in water tank, setting and the water tank of blackboard body below and one end in immersible pump connection other end and the outlet pipe of wiping the board intercommunication and set up and wiping the hole for water spraying of board towards blackboard body one side, be provided with the controller on the blackboard body, the controller is connected with immersible pump and the equal electricity of stoving part.

The driving mechanism comprises a lead screw which is rotatably connected with the blackboard body, a guide post which is fixedly connected with the blackboard body and a driving motor which is used for driving the lead screw to rotate, wherein the lead screw and the guide post are arranged along the extension of the transverse direction of the blackboard body, and the length of the lead screw and the length of the guide post are matched with the length of the blackboard body in the transverse direction.

And one end of the guide post, which is close to the driving motor, is provided with a limiting ring for limiting the stroke of the wiping plate, and the outer diameter of the limiting ring is larger than the size of the through hole in the wiping plate.

One of curtain body orientation second slide bar serves and is provided with the annular and detains, fixed part is detained including the U-shaped that is used for detaining the lock joint with the annular, the opening that the U-shaped was detained is for keeping away from one side of first slide bar.

Reset part is including clockwork spring, the one end and the clockwork spring fixed connection of curtain body, curtain body winding is connected on clockwork spring.

The first sliding rod and the second sliding rod are both provided with dust collecting grooves for collecting dust, the length dimension of the dust collecting grooves in the longitudinal direction is matched with the length dimension of the blackboard body in the longitudinal direction, and the first sliding rod and the second sliding rod are provided with dust collecting boxes which are detachably mounted and communicated with the dust collecting grooves.

Of course, the present embodiment can also be used for drawing on blackboards of other structures. The compasses of the embodiment of the present application are described below without further description.

Referring to fig. 1-5, a combined type drawing compass for mathematics includes a fixed plate 1, a circular through groove 2, a supporting structure 3, a sliding structure 5 and a pushing structure 10, wherein the fixed plate 1 is of a triangular structure, three sides of the fixed plate 1 are all obliquely arranged, the circular through groove 2 is arranged in the middle of the side wall of the fixed plate 1, a rotating groove 4 is arranged on the inner side wall of the circular through groove 2, the rotating groove 4 is of an annular structure, the supporting structure 3 is arranged in the rotating groove 4, the sliding structure 5 is arranged on the supporting structure 3, the pushing structure 10 is arranged on the sliding structure 5, and the outer side wall of the bottom of the fixed plate 1 is fixedly connected with an anti-skid pad 7.

By means of the fixing plate 1, the supporting structure 3 and the sliding structure 5, a teacher can conveniently draw various figures in class, and the chalk broken in the chalk clamping sleeve 503 can be conveniently and quickly taken out by means of the pushing structure 10.

Fixed plate 1 adopts transparent plastic slab to make, can not shelter from the sight when drawing, and the teacher of being convenient for sees the figure of fixed plate 1 bottom.

The anti-slip pad 7 is made of rubber materials, so that the friction force between the anti-slip pad and the blackboard can be increased.

The top outer side wall of the fixing plate 1 around the circular through groove 2 is provided with angle scale marks, and fan-shaped drawing of a certain angle can be performed.

Bearing structure 3 includes bracing piece 301 and lug 302, the both ends sliding connection of bracing piece 301 rotates in the groove 4, the both ends of bracing piece 301 are circular-arc structure, the inside wall of groove 4 is rotated in the laminating of the both ends of bracing piece 301, the centre of bracing piece 301 is provided with two lugs 302, and bracing piece 301 can support carriage 501.

The supporting rod 301 is provided with a first sliding groove 6, the first sliding groove 6 is located on the right side of the protruding block 302, and the first sliding groove 6 can limit the sliding of the sliding rod 502.

Sliding construction 5 includes carriage 501, slide bar 502 and chalk joint cover 503, carriage 501 sliding connection is on bracing piece 301, carriage 501 is located the right side of lug 302, circular-arc structure is set to the lateral wall on carriage 501 right side, fixed connection slide bar 502 on carriage 501's the inside wall, slide bar 502 sliding connection is in sliding tray one 6, carriage 501's bottom lateral wall fixed connection chalk joint cover 503 moves frame 501, and carriage 501 drives slide bar 502 and slides in sliding tray one 6, and carriage 501 drives chalk joint cover 503 and removes.

Sliding grooves III 9 are formed in the sliding frame 501 and the sliding rod 502, sliding grooves II 8 are formed in the top of the chalk clamping sleeve 503, the sliding grooves II 8 are located right below the sliding grooves III 9, and the sliding grooves II 8 and the sliding grooves III 9 can limit the movement of the push rod 1003.

The pushing structure 10 comprises a fixing block 1001, a spring 1002 and a pushing rod 1003, the pushing rod 1003 is connected in a second sliding groove 8 and a third sliding groove 9 in a sliding mode, the top of the pushing rod 1003 is fixedly connected with the round fixing block 1001, the outer side wall of the bottom of the fixing block 1001 is fixedly connected with one end of the spring 1002, the other end of the spring 1002 is fixedly connected with the top of the sliding frame 501, the pushing rod 1003 is located inside the spring 1002, the fixing block 1001 is manually pressed, the fixing block 1001 pushes the pushing rod 1003 to slide downwards, and the pushing rod 1003 pushes chalk in the chalk clamping sleeve 503.

All be provided with the length scale mark on the top lateral wall of fixed plate 1 and bracing piece 301, be carved with the one end of length scale mark on the fixed plate 1, can be used to draw the straight line of certain length, through observing the length scale mark on the bracing piece 301, carry out the radial adjustment of the circle of drawing.

When the chalk is used, the anti-slip pad 7 at the bottom of the fixing plate 1 is attached to the surface of the blackboard, the fixing plate 1 is pushed, the friction force between the anti-slip pad 7 and the blackboard is increased, the fixing plate 1 is prevented from sliding during drawing, one end of a length scale line is carved on the fixing plate 1 and can be used for drawing a straight line with a certain length, a circle is drawn along three side edges of the fixing plate 1 and can be used for drawing a triangle, chalk is clamped in the chalk clamping sleeve 503, the sliding frame 501 slides and drives the sliding rod 502 to slide in the sliding groove I6, the sliding frame 501 drives the chalk clamping sleeve 503 to move, the chalk moves along with the movement of the chalk clamping sleeve 503, the radius of the drawn circle is adjusted by observing the length scale line on the supporting rod 301, the sliding frame 501 is manually held to rotate, the supporting rod 301 rotates in the rotating groove 4, the sliding frame 501 drives the chalk clamping sleeve 503 to rotate, the chalk clamping sleeve 503 drives the chalk to rotate to draw a circle, so that a teacher can conveniently draw various figures in class, when the chalk end is broken in the chalk clamping sleeve 503, the fixing block 1001 is manually pressed, the fixing block 1001 pushes the push rod 1003 to slide downwards, the push rod 1003 pushes the chalk in the chalk clamping sleeve 503 to push the chalk out of the chalk clamping sleeve 503, and the chalk broken in the chalk clamping sleeve 503 can be conveniently and quickly taken out.

The application has the advantages that:

1. this application is rational in infrastructure, be carved with the one end of length scale mark on the fixed plate, can be used to draw the straight line of certain length, draw the round along the three side of fixed plate, can be used to draw triangle-shaped, with the chalk joint in chalk joint cover, the slip carriage, the carriage drives the slide bar and slides in sliding tray one, the carriage drives chalk joint cover and removes, the chalk removes along with chalk joint cover's removal, through observing the length scale mark on the bracing piece, carry out the radial adjustment of the circle of drawing, manually hold the carriage, rotate, the bracing piece is at the rotation inslot rotation, the carriage drives chalk joint cover and rotates, chalk joint cover drives the chalk and rotates and draw circularly, can make things convenient for the teacher to go on the drawing of carrying out multiple figure when giving a lesson.

2. The chalk clamping sleeve is reasonable in structure, the fixing block is pressed manually, the fixing block pushes the pushing rod to slide downwards, the pushing rod pushes the chalk in the chalk clamping sleeve to push the chalk out of the chalk clamping sleeve, and the chalk which is broken in the chalk clamping sleeve can be taken out conveniently and quickly.

The modules referred to are prior art and are fully implemented by those skilled in the art, and it is not necessary to state that the present invention is not directed to software and process improvements.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a combination formula mapping compasses is used to mathematics which characterized in that: including fixed plate (1), circular logical groove (2), bearing structure (3), sliding structure (5) and pushing structure (10), fixed plate (1) is the triangle-shaped structure, the equal slope setting of three side of fixed plate (1), circular logical groove (2) have been seted up to the centre of fixed plate (1) lateral wall, circular logical groove (4) have been seted up on the inside wall that leads to groove (2), it is the loop configuration to rotate groove (4), be provided with bearing structure (3) in rotation groove (4), be provided with sliding structure (5) on bearing structure (3), be provided with pushing structure (10) on sliding structure (5), bottom lateral wall fixed connection slipmat (7) of fixed plate (1).

2. The combined mathematical construction compass according to claim 1, wherein: the fixing plate (1) is made of a transparent plastic plate.

3. The combined mathematical construction compass according to claim 1, wherein: the non-slip mat (7) is made of rubber materials.

4. The combined mathematical construction compass according to claim 1, wherein: and angle scale marks are arranged on the outer side wall of the top of the fixing plate (1) around the circular through groove (2).

5. The combined mathematical construction compass according to claim 1, wherein: bearing structure (3) are including bracing piece (301) and lug (302), the both ends sliding connection of bracing piece (301) is in rotating groove (4), the both ends of bracing piece (301) are circular-arc structure, the inside wall in groove (4) is rotated in the laminating of the both ends of bracing piece (301), the centre of bracing piece (301) is provided with two lugs (302).

6. The combined mathematical construction compass according to claim 5, wherein: a first sliding groove (6) is formed in the supporting rod (301), and the first sliding groove (6) is located on the right side of the protruding block (302).

7. The combined mathematical construction compass according to claim 1, wherein: sliding construction (5) include carriage (501), slide bar (502) and chalk joint cover (503), carriage (501) sliding connection is on bracing piece (301), carriage (501) are located the right side of lug (302), circular-arc structure is set to the lateral wall on carriage (501) right side, fixed connection slide bar (502) on the inside wall of carriage (501), slide bar (502) sliding connection is in sliding tray one (6), bottom lateral wall fixed connection chalk joint cover (503) of carriage (501).

8. The combined mathematical construction compass according to claim 7, wherein: sliding grooves III (9) are formed in the sliding frame (501) and the sliding rod (502), sliding grooves II (8) are formed in the top of the chalk clamping sleeve (503), and the sliding grooves II (8) are located under the sliding grooves III (9).

9. The combined mathematical construction compass according to claim 1, wherein: promote structure (10) including fixed block (1001), spring (1002) and catch bar (1003), catch bar (1003) sliding connection is in sliding tray two (8) and sliding tray three (9), the circular shape fixed block (1001) of top fixed connection of catch bar (1003), the one end of the bottom lateral wall fixed connection spring (1002) of fixed block (1001), the other end fixed connection of spring (1002) is at the top of carriage (501), catch bar (1003) are located the inside of spring (1002).

10. The combined mathematical construction compass according to claim 1, wherein: and length scale marks are arranged on the outer side walls of the tops of the fixing plate (1) and the supporting rod (301).