CN213007286U

CN213007286U - Special compasses for finance

Info

Publication number: CN213007286U
Application number: CN202021925072.4U
Authority: CN
Inventors: 谭彐琼
Original assignee: Yunnan College of Bussiness Management
Current assignee: Yunnan College of Bussiness Management
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-20
Anticipated expiration: 2030-09-04

Abstract

The utility model provides a special compasses of finance relates to the teaching aid field. The utility model provides a special compasses of finance, includes locating component, flexible part and rotating member, and flexible part includes first pole and second pole, and first pole rotates with the locating component to be connected, is provided with sliding structure between second pole and the first pole, and sliding structure enables first pole and slides along the second pole. The rotating part comprises a fixed cylinder and a painting brush, the fixed cylinder is connected with the free end of the second rod, a clamping cylinder capable of sliding freely along the fixed cylinder is arranged in the fixed cylinder, the painting brush can be clamped by the clamping cylinder, the upper end of the fixed cylinder is provided with an end cover, a first spring is arranged between the end cover and the clamping cylinder, and two ends of the first spring are fixedly connected with the end cover and the clamping cylinder respectively. This special compasses of finance can the person of facilitating the use can be in the convenient and fast circle of drawing on vertical teaching board, has easy operation, advantages such as location convenience.

Description

Special compasses for finance

Technical Field

The utility model relates to a teaching aid field particularly, relates to a special compasses of finance.

Background

Finance is the subject of studying value judgment and value laws. In the financial teaching process, the compasses are frequently used, the existing compasses are composed of a painting brush, a rotating shaft, compass supporting legs, a ruler, a hinge, a pen body, a pen point, a compass tip and a small lug, the lower end of a pen point of the compasses is inserted into and connected with the upper end of the pen body, the lower end of the pen body is in threaded connection with the upper end of the pen point, the parallel and level end of the small lug is welded in the middle of the outer side of the compass supporting legs, and the lower end of the compass supporting legs is clamped and connected with. The method is characterized in that: one side of the pen body is pasted and connected on one side of the hinge, the other side of the hinge is pasted and connected in the middle of one end of the ruler, two sides of the upper end of a crack of the pen body are inserted and connected at two ends of the rotating shaft, and the shaft body of the rotating shaft is connected at the upper end of the compass supporting leg in a penetrating and sleeving manner. The compasses are complex to operate and are not beneficial to be used in the teaching lectures of finance. Especially when used on a drawing board or a blackboard, the operation is very inconvenient because a user draws circles on a vertical plate, and the circle center is positioned and the circles are drawn in a rotating way.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special compasses of finance, it can the person of facilitating the use can be in convenient and fast's drawing circle on vertical teaching board, has easy operation, advantages such as location convenience.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a special compasses for finance, which comprises a positioning part, a telescopic part and a rotating part, wherein the telescopic part comprises a first rod and a second rod;

the rotating part comprises a fixed cylinder and a painting brush, the fixed cylinder is connected with the free end of the second rod, a clamping cylinder capable of sliding freely along the fixed cylinder is arranged in the fixed cylinder, the painting brush can be clamped by the clamping cylinder, the upper end of the fixed cylinder is provided with an end cover, a first spring is arranged between the end cover and the clamping cylinder, and two ends of the first spring are fixedly connected with the end cover and the clamping cylinder respectively.

In some embodiments of the present invention, the sliding structure includes a first sliding block, a sliding groove is disposed on the first rod, one end of the first sliding block is disposed in the sliding groove, and the other end of the first sliding block is connected to the second rod.

In some embodiments of the present invention, the first rod is provided with a scale mark for displaying a diameter.

In some embodiments of the present invention, the positioning component includes a positioning column and a positioning rod, and the positioning rod penetrates through the positioning column along the direction of the central line.

The utility model discloses an in some embodiments, cylindrical cavity has been seted up along the central line direction in the above-mentioned reference column, is provided with second spring and baffle in the cavity, and the baffler cover is established on the locating lever, and second spring one end is connected to the cavity upper surface, and the other end is connected to the baffle.

In some embodiments of the present invention, the first rod is sleeved on the positioning column and can freely rotate along the positioning column.

The utility model discloses an in some embodiments, the cover is equipped with auxiliary disc on the above-mentioned reference column, is provided with the annular groove on the auxiliary disc, is provided with the second slider in the annular groove, second slider and first pole fixed connection, and the second slider can drive first pole annular groove free rotation.

In some embodiments of the present invention, the bottom of the positioning rod is a cone-shaped structure.

In some embodiments of the present invention, the lower end of the fixing cylinder is provided with a moving structure.

The utility model discloses an in some embodiments, above-mentioned removal structure includes a plurality of universal wheels of being connected with the solid fixed cylinder, and the universal wheel sets up along solid fixed cylinder circumference even interval.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a special compasses of finance, including positioning element, flexible part and rotating part. The positioning component is mainly used for positioning the circle center, and is convenient for next circle drawing work. The telescopic member can be used to adjust the diameter of the circle to be drawn. The rotating component is mainly used for rotating around the circle center positioned by the positioning component to draw a circular outline. The telescopic component comprises a first rod and a second rod, the first rod is rotatably connected with the positioning component, a sliding structure is arranged between the second rod and the first rod, and the sliding structure enables the first rod to slide along the second rod. In the telescopic member, the first rod and the second rod are connected by a sliding structure so that the first rod can slide along the second rod. When the diameter of the circle needs to be adjusted, the second rod can be slid on the first rod to the corresponding diameter position. The rotating part comprises a fixed cylinder and a painting brush, and the fixed cylinder is connected with the free end of the second rod. The painting brush is a direct tool for drawing circles, and the second rod is connected with the fixed barrel, so that the painting brush can rotate along with the second rod. When the first rod rotates, the second rod rotates along with the first rod, so that the paintbrush in the fixed cylinder is driven to draw a circle or an arc. The fixing barrel is internally provided with a clamping barrel capable of freely sliding along the fixing barrel, the clamping barrel can clamp a painting brush, the upper end of the fixing barrel is provided with an end cover, a first spring is arranged between the end cover and the clamping barrel, and two ends of the first spring are fixedly connected with the end cover and the clamping barrel respectively. A centre gripping section of thick bamboo mainly used centre gripping painting brush prevents that the painting brush from dropping. In the process of drawing a circle, because the painting brush can be continuously worn and torn, the distance between the painting brush and the painting board can be continuously shortened, and general compasses compress tightly the painting brush through the manual work, so that the painting brush keeps in contact with the painting board all the time. The utility model discloses in, the tight effect in top can be played to first spring, and at painting brush cyclograph in-process, the first spring that is in compression state converts compression potential energy into the tight power in top, keeps the tight state in top to the painting brush always, makes the painting brush contact with the painting board all the time.

Therefore, the special compasses for finance can facilitate users to draw circles conveniently and quickly on the vertical teaching board, and have the advantages of being simple to operate, convenient to position and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Icon: 1-universal wheel, 2-fixed cylinder, 3-clamping cylinder, 4-painting brush, 5-first spring, 6-end cover, 7-second rod, 8-first rod, 9-sliding chute, 10-first sliding block, 11-second sliding block, 12-auxiliary disc, 13-positioning column, 14-cavity, 15-positioning rod, 16-second spring, 17-baffle plate and 18-annular groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "vertical", "inner", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "vertical" and the like, if present, does not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present invention, and the embodiment provides a special compasses for finance, including a positioning component, a telescopic component and a rotating component. The positioning component is mainly used for positioning the circle center, and is convenient for next circle drawing work. The telescopic member can be used to adjust the diameter of the circle to be drawn. The rotating component is mainly used for rotating around the circle center positioned by the positioning component to draw a circular outline. The telescopic component comprises a first rod 8 and a second rod 7, the first rod 8 is rotatably connected with the positioning component, a sliding structure is arranged between the second rod 7 and the first rod 8, and the sliding structure can enable the first rod 8 to slide along the second rod 7. In the telescopic member, the first rod 8 and the second rod 7 are connected by a sliding structure so that the first rod 8 can slide along the second rod 7. When it is desired to adjust the diameter of the circle, the second rod 7 can be slid onto the first rod 8 to the corresponding diametrical position.

Referring to fig. 2, in the present embodiment, the rotating component includes a fixed barrel 2 and a brush 4, and the fixed barrel 2 is connected to a free end of a second rod 7. Paintbrush 4 is the direct instrument of drawing a circle, and second pole 7 is connected with solid fixed cylinder 2, can make paintbrush 4 follow second pole 7 and rotate. When the first rod 8 rotates, the second rod 7 rotates along with the first rod, so that the painting brush 4 in the fixed cylinder 2 is driven to draw a circle or an arc. Be provided with in the solid fixed cylinder 2 and follow solid fixed cylinder 2 gliding centre gripping section of thick bamboo 3 freely, a centre gripping section of thick bamboo 3 can centre gripping painting brush 4, and gu fixed cylinder 2 upper end is provided with end cover 6, is provided with first spring 5 between end cover 6 and the centre gripping section of thick bamboo 3, first spring 5 both ends respectively with

end cover

6 and 3 fixed connection of centre gripping section of thick bamboo.

Wherein, a centre gripping section of thick bamboo 3 mainly used centre gripping painting brush 4 prevents that painting brush 4 from dropping. In the circle drawing process, because painting brush 4 can constantly wear and tear, the distance between painting brush 4 and the painting board can constantly shorten, and general compasses compress tightly painting brush 4 through the manual work, make painting brush 4 keep in contact with the painting board always. The utility model discloses in, first spring 5 is in compression state, and first spring 5 can play the tight effect in top, at 4 drawing circles in-process of painting brush, and first spring 5 that is in compression state converts the compression potential energy into the tight power in top, keeps the tight state in top to painting brush 4 always, makes painting brush 4 contact with the painting board all the time.

Referring to fig. 3, in some embodiments of the present invention, the sliding structure includes a first sliding block 10, the first rod 8 is provided with a sliding slot 9, one end of the first sliding block 10 is disposed in the sliding slot 9, and the other end is connected to the second rod 7. The sliding groove 9 is matched with the first sliding block 10 to form a sliding structure, and the first sliding block 10 drives the second rod 7 to slide along the sliding groove 9 in the sliding process.

In the present embodiment, in order to prevent the first slider 10 from being separated from the sliding slot 9, the first slider 10 has a T-shaped structure (not shown in the figure) which is engaged with the sliding slot 9. With the structure, the first sliding block 10 can not be separated from the sliding chute 9 in the sliding process.

In some embodiments of the present embodiment, the first rod 8 is provided with scale marks (not shown) for displaying the diameter. The graduation marks are mainly used for marking the diameter, and when the second rod 7 slides along the first rod 8, the required diameter can be adjusted according to the graduation marks. Specifically, the second rod 7 is provided with a mark line matched with the scale mark, the mark line can mark the position of the scale mark in the moving process of the second rod 7, and the scale mark at the position is the current diameter.

Further, in this embodiment, a limiting structure is further disposed between the first rod 8 and the second rod 7, and after the diameter is adjusted, the limiting structure can fix the first rod 8 and the second rod 7 without relative sliding, so as to ensure that the diameter required to be drawn remains unchanged. In the present embodiment, the stopper structure is a conventional structure, and as a conventional technology, reference may be made to a conventional stopper structure technology if it is unclear.

In some embodiments of the present invention, the positioning member includes a positioning post 13 and a positioning rod 15, a cylindrical cavity 14 is opened in the positioning post 13 along a center line direction, and the positioning rod 15 penetrates the positioning post 13 along the center line direction. The positioning rod 15 is mainly used for positioning the set circle center, so that the center of the positioning rod 15 is ensured to fall on the circle center, and the circle center can be accurately calibrated.

Referring to fig. 1, in some embodiments of the present invention, a cylindrical cavity 14 is formed in the positioning post 13 along a central line direction, a second spring 16 and a baffle 17 are disposed in the cavity 14, the baffle 17 is sleeved on the positioning post 15, one end of the second spring 16 is connected to an upper surface of the cavity 14, and the other end is connected to the baffle 17. The second spring 16 in the cavity 14 is matched with the baffle 17, so that the second spring 16 converts the compression potential energy into a tightening force for tightening the baffle 17. The baffle 17 drives the positioning rod 15 to move downwards, so that the positioning rod 15 always bears a downward force.

Referring to fig. 1, in the present embodiment, the baffle 17 is limited in the cavity 14, so the stroke of the positioning rod 15 is the stroke of the baffle 17 in the cavity 14. When the positioning component is used for positioning the circle center, the positioning rod 15 is aligned with the circle center, and the center of the positioning rod 15 is positioned on the circle center. Then, positioning column 13 can be pressed, so that positioning column 13 moves downwards along positioning rod 15 and presses on the drawing board. At this time, the positioning rod 15 is retracted into the positioning column 13, and the positioning rod 15 is kept in a tight-pushing state against the circle center under the action of the second spring 16, so that the accuracy of circle center positioning is ensured.

Referring to fig. 1, in some embodiments of the present invention, the first rod 8 is sleeved on the positioning column 13 and can freely rotate along the positioning column 13. First pole 8 rotates around reference column 13, has guaranteed that the centre of a circle control is on the dot of locating lever 15 location in reference column 13, can guarantee the accuracy of drawing the circle.

Referring to fig. 1, in some embodiments of the present invention, an auxiliary disk 12 is sleeved on the positioning column 13, an annular groove 18 is disposed on the auxiliary disk 12, a second slider 11 is disposed in the annular groove 18, the second slider 11 is fixedly connected to the first rod 8, and the second slider 11 can drive the annular groove 18 of the first rod 8 to rotate freely. The auxiliary disc 12 is mainly used as an auxiliary tool for rotating the first rod 8, can drive the first rod 8 to rotate, prevents the first rod 8 from moving in the vertical direction perpendicular to the drawing board, and ensures that the first rod 8 is completely parallel to the drawing board in the rotating process. Meanwhile, the annular sliding chute 9 can ensure the smoothness of circle drawing.

Referring to fig. 1, in some embodiments of the present invention, the bottom of the positioning rod 15 is a tapered structure (not shown). The bottom of the positioning rod 15 is of a conical structure, when the positioning rod is in contact with the circle center on the drawing board, the conical tip of the conical structure is a point, the point and the circle center can be completely overlapped, and the circle center can be positioned greatly and conveniently. Select for use the locating lever 15 that the bottom is the toper structure simultaneously, can also prevent to appear taking place relative movement's the condition with the centre of a circle at drawing in-process locating lever 15 and take place to take place.

Referring to fig. 2, in some embodiments of the present invention, a moving structure is disposed at a lower end of the fixed cylinder 2. The movable structure can facilitate the movement of the positioning cylinder in the process of drawing circles, and the positioning cylinder and the drawing board are prevented from being rubbed to damage the positioning cylinder and the drawing board.

In some embodiments of the present invention, the moving structure includes a plurality of universal wheels 1 connected to the fixed cylinder 2, and the universal wheels are uniformly spaced along the circumference of the fixed cylinder 2. The universal wheels can freely change and steer, and the requirement of circular motion can be met.

In use, brush 4 is inserted into barrel 3, and barrel 3 holds brush 4. The circle center of a circle to be drawn is found on the drawing board, the positioning rod 15 is aligned with the circle center, and the center of the positioning rod 15 is positioned on the circle center. Then, positioning column 13 can be pressed, so that positioning column 13 moves downwards along positioning rod 15 and presses on the drawing board. At this time, the positioning rod 15 is retracted into the positioning column 13, and the positioning rod 15 is kept in a tight-pushing state against the circle center under the action of the second spring 16, so that the accuracy of circle center positioning is ensured. After the calibration of the circle center is completed, the second rod 7 is shifted to enable the second rod 7 to slide to a required diameter along the first rod 8. Specifically, the mark line on the second rod 7 is shifted to the scale line with the required diameter by referring to the position of the scale line, so that the diameter is adjusted. After the diameter adjustment is completed, the first rod 8 and the second rod 7 are fixed by using a limiting structure. After the fixing is finished, the first rod 8 is rotated, and the second rod 7 rotates along with the first feeling, so that the painting brush 4 in the fixed cylinder 2 is driven to draw a circle or an arc.

To sum up, the embodiment of the utility model provides a special compasses of finance, including positioning element, flexible part and rotating member. The positioning component is mainly used for positioning the circle center, and is convenient for next circle drawing work. The telescopic member can be used to adjust the diameter of the circle to be drawn. The rotating component is mainly used for rotating around the circle center positioned by the positioning component to draw a circular outline. The telescopic component comprises a first rod 8 and a second rod 7, the first rod 8 is rotatably connected with the positioning component, a sliding structure is arranged between the second rod 7 and the first rod 8, and the sliding structure can enable the first rod 8 to slide along the second rod 7. In the telescopic member, the first rod 8 and the second rod 7 are connected by a sliding structure so that the first rod 8 can slide along the second rod 7. When it is desired to adjust the diameter of the circle, the second rod 7 can be slid onto the first rod 8 to the corresponding diametrical position. The rotating part comprises a fixed barrel 2 and a painting brush 4, and the fixed barrel 2 is connected with the free end of a second rod 7. Paintbrush 4 is the direct instrument of drawing a circle, and second pole 7 is connected with solid fixed cylinder 2, can make paintbrush 4 follow second pole 7 and rotate. When the first rod 8 rotates, the second rod 7 rotates along with the first rod, so that the painting brush 4 in the fixed cylinder 2 is driven to draw a circle or an arc. Be provided with in the solid fixed cylinder 2 and follow solid fixed cylinder 2 gliding centre gripping section of thick bamboo 3 freely, a centre gripping section of thick bamboo 3 can centre gripping painting brush 4, and gu fixed cylinder 2 upper end is provided with end cover 6, is provided with first spring 5 between end cover 6 and the centre gripping section of thick bamboo 3, first spring 5 both ends respectively with

end cover

6 and 3 fixed connection of centre gripping section of thick bamboo. The clamping barrel 3 is mainly used for clamping the painting brush 4 and preventing the painting brush 4 from falling. In the circle drawing process, because painting brush 4 can constantly wear and tear, the distance between painting brush 4 and the painting board can constantly shorten, and general compasses compress tightly painting brush 4 through the manual work, make painting brush 4 keep in contact with the painting board always. The utility model discloses in, first spring 5 can play the tight effect in top, at 4 drawing circles in-process of painting brush, and the first spring 5 that is in compression state converts compression potential energy into the tight power in top, keeps the tight state in top to painting brush 4 always, makes painting brush 4 contact with the painting brush all the time. Therefore, the special compasses for finance can facilitate users to draw circles conveniently and quickly on the vertical teaching board, and have the advantages of being simple to operate, convenient to position and the like.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The special compasses for finance are characterized by comprising a positioning component, a telescopic component and a rotating component, wherein the telescopic component comprises a first rod and a second rod, the first rod is rotatably connected with the positioning component, a sliding structure is arranged between the second rod and the first rod, and the sliding structure can enable the first rod to slide along the second rod;

the rotatable part comprises a fixed cylinder and a painting brush, the fixed cylinder is connected with the free end of the second rod, an edge capable of freely sliding the fixed cylinder is arranged in the fixed cylinder, the clamping cylinder can clamp the painting brush, an end cover is arranged at the upper end of the fixed cylinder, a first spring is arranged between the end cover and the clamping cylinder, and two ends of the first spring are respectively fixedly connected with the end cover and the clamping cylinder.

2. The compasses dedicated for finance department of claim 1, wherein said sliding structure comprises a first slide block, said first rod is provided with a sliding groove, one end of said first slide block is arranged in said sliding groove, and the other end is connected with said second rod.

3. The special compasses of claim 1 wherein said first rod is provided with graduation marks for displaying diameter.

4. The compasses dedicated for finance of claim 1, wherein said positioning member comprises a positioning post and a positioning rod, said positioning rod penetrates said positioning post along a central line direction.

5. The compasses dedicated for finance of claim 4, wherein a cylindrical cavity is formed in the positioning column along the central line, a second spring and a baffle are arranged in the cavity, the baffle is sleeved on the positioning rod, one end of the second spring is connected to the upper surface of the cavity, and the other end of the second spring is connected to the baffle.

6. The compasses of claim 4, wherein said first rod is sleeved on said positioning post and can rotate freely along said positioning post.

7. The compasses of claim 4, wherein an auxiliary disk is sleeved on said positioning post, an annular groove is provided on said auxiliary disk, a second slide block is provided in said annular groove, said second slide block is fixedly connected with said first rod, and said second slide block can drive said first rod annular groove to rotate freely.

8. The special compasses of claim 4, wherein the bottom of said positioning rod is of a conical structure.

9. The special compasses of claim 1, wherein said fixed cylinder is provided at its lower end with a moving structure.

10. The special compasses of claim 9 wherein said moving structure comprises a plurality of universal wheels connected to a stationary barrel, said universal wheels being evenly spaced circumferentially about said stationary barrel.