CN218948798U

CN218948798U - Novel syndiotactic finger

Info

Publication number: CN218948798U
Application number: CN202221615715.4U
Authority: CN
Inventors: 邓远涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-05-02
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a novel finger compass, which comprises a positioning seat, a connecting seat and a slide bar, wherein one end of the slide bar is connected with the positioning seat, the positioning seat is provided with a positioning end, and the positioning seat is used for pressing so that the positioning end is abutted against the circle center of a circle to be drawn; the sliding rod is provided with a sliding block, the sliding block is connected with a connecting seat, and the connecting seat is used for detachably fixing a pen so as to enable the pen to move along the length direction of the sliding rod; the slide bar sets up length scale, length scale is used for measuring the radius of waiting to draw the circle. According to the technical scheme provided by the utility model, a user observes and adjusts the radius of a circle to be drawn, after the radius length is determined, the hand is pressed down, so that the pen and the positioning end are attached to the exercise book, and the circle drawing is completed by rotating the exercise book, so that the exercise book is not damaged, the use is relatively convenient, and the problem of body injury caused by the iron needle of the traditional compass is solved.

Description

Novel syndiotactic finger

Technical Field

The utility model relates to the technical field of learning auxiliary tools, in particular to a novel syndiotactic finger.

Background

The publication No. CN202965691U is named as compasses for avoiding paper damage, and the main defects of the existing compasses are as follows: 1. because the tail end of the compass stand bar with the fixed center is a needle point, the tip is easy to cause drawing damage in the drawing process; the publication No. CN214873877U is a compass capable of avoiding paper breakage, and discloses that in drawing a building drawing, the whole drawing is poor due to a broken hole of the compass tip inserted on paper.

In mathematics and drawing, compasses are tools for drawing circles or strings, and are commonly used for drawing ruler and compass. However, in order to ensure the stability of the drawing process, the center end of the conventional compass is designed into an iron needle body, the iron needles are very separated, an exercise book and the like can be scratched in the conventional drawing process, a plurality of holes are punctured in the exercise book to cause the damage of the exercise book, and the damage is not a single page, is a plurality of pages to be damaged together, and can affect the later writing; especially, when examination is carried out, the draft paper which is generally used is a single layer, so that once the user applies force during drawing, the iron needle possibly penetrates through the draft paper to damage the tabletop, so that the student is not dared to apply force to position, and errors occur in the drawing process.

Disclosure of Invention

The utility model mainly aims to provide a novel syndiotactic compass, which aims to solve the problem that paper is easy to damage when the conventional compass is used.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the novel finger compass comprises a positioning seat, a connecting seat and a sliding rod, wherein one end of the sliding rod is connected with the positioning seat, the positioning seat is provided with a positioning end, and the positioning seat is used for pressing so that the positioning end abuts against the circle center of a circle to be drawn; the sliding rod is provided with a sliding block, the sliding block is connected with a connecting seat, and the connecting seat is used for detachably fixing a pen so as to enable the pen to move along the length direction of the sliding rod; the slide bar sets up length scale, length scale is used for measuring the radius of waiting to draw the circle.

Preferably, the positioning seat is provided with a first through hole, the axial direction of the first through hole is perpendicular to the sliding rod, and the axial direction of the sliding rod and the axial direction of the first through hole are respectively arranged along the horizontal direction; the first through hole is used for allowing the fingers of a human body to pass through so as to fix the relative positions of the hand and the positioning seat.

Preferably, the positioning seat is further provided with a second through hole, the second through hole and the first through hole are arranged at intervals, and the axial direction of the second through hole is parallel to the axial direction of the second through hole.

Preferably, one end of the positioning end, which is away from the positioning seat, is arc-shaped.

Preferably, the connecting seat is provided with a vertical third through hole, and the third through hole is used for vertically inserting a pen; the pore wall of the third through hole is provided with an elastic layer, and the elastic layer is used for fixing the pen and the connecting seat in an interference manner.

Preferably, the bottom of connecting seat sets up detachable lid, the connecting seat is close to the one end of lid sets up the external screw thread, the lid towards one side protrusion lid along of connecting seat, the inboard along the lid sets up the internal screw thread, the lid with connecting seat threaded connection.

Preferably, a side of the cover body facing the third through hole and a side of the positioning end facing away from the positioning seat are located in the same horizontal plane.

Preferably, two sliding rods are arranged between the positioning seat and the connecting seat, and the two sliding rods are vertically arranged in parallel at intervals; the sliding block is provided with two connecting through holes, one sliding rod penetrates through one connecting through hole, and the other sliding rod penetrates through the other connecting through hole.

Preferably, a pull ring is arranged on one side of the sliding block, which is away from the connecting seat, and the axial direction of the pull ring is parallel to the axial direction of each sliding rod; the pull ring is used for enabling a thumb of a hand to pass through so that a user can slide the sliding blocks along the sliding rods and adjust the radius length of a circle to be drawn.

Compared with the prior art, the utility model has at least the following beneficial effects:

the positioning seat is used for being pressed by a user, the connecting seat can be detached to connect the pen, the connecting seat slides along the sliding rod through the sliding block, the user observes and adjusts the radius of a circle to be drawn, the radius length is determined, the hand is pressed down, the pen and the positioning end are attached to the exercise book, the circle drawing is completed by rotating the exercise book, the exercise book is not damaged, the use is relatively convenient, and the problem of physical injury is caused by the iron needle of the traditional compass.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a novel syndiotactic finger according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the rear view of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

reference numerals illustrate:

1-a positioning seat; 11-positioning ends; 12-a first through hole; 13-a second through hole;

2-connecting seats; 21-a third through hole; 22-cover;

3-a slide bar; 31-a slider; 32-connecting through holes; 33-pull ring;

4-fixing blocks;

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides a novel syndiotactic finger.

The novel syndiotactic finger as shown in figures 1 to 3 comprises a positioning seat 1, a connecting seat 2 and a slide bar 3, wherein one end of the slide bar 3 is connected with the positioning seat 1, the positioning seat 1 is provided with a positioning end 11, and the positioning seat 1 is used for pressing so that the positioning end 11 is abutted against the circle center of a circle to be drawn; the slide bar 3 is provided with a slide block 31, the slide block 31 is connected with the connecting seat 2, and the connecting seat 2 is used for detachably fixing a pen so as to enable the pen to move along the length direction of the slide bar 3; the slide bar 3 is provided with a length scale (not shown in the figures) for measuring the radius of the circle to be drawn.

The positioning seat 1 is used for pressing by a user, the connecting seat 2 can be detached to connect the pen, the connecting seat 2 slides along the sliding rod 3 through the sliding block 31, the user adjusts the radius of a circle to be drawn through observing the length scale, after the radius length is determined, the hand is pressed down, the pen and the positioning end 11 are attached to the exercise book, and the circle is drawn by rotating the exercise book, so that the exercise book is not damaged, the use is relatively convenient, and the problem of body injury is caused because of the iron needle of the traditional compass.

Specifically, the length scale is designed according to the actual dimensions of the positioning seat 1 and the connecting seat 2, and such design is conventional in the prior art, and is not described here in detail.

Specifically, the positioning seat 1 is in a block shape, and the outer surface of the positioning seat 1 can be changed in a more practical situation, so that a user can feel more comfortable when holding the positioning seat 1.

The positioning seat 1 is provided with a first through hole 12, the axial direction of the first through hole 12 is perpendicular to the sliding rod 3, and the axial direction of the sliding rod 3 and the axial direction of the first through hole 12 are respectively arranged along the horizontal direction; the first through hole 12 is used for the human finger to pass through, so that the relative positions of the hand and the positioning seat 1 are fixed. The first through hole 12 allows the finger to pass through, so that the user can better grasp the connecting seat 2.

The positioning seat 1 is also provided with a second through hole 13, the second through hole 13 and the first through hole 12 are arranged at intervals, and the axial direction of the second through hole 13 is parallel to the axial direction of the second through hole 13. The index finger passes through the second through hole 13, and the middle finger passes through the first through hole 12, and connecting seat 2 is held in the palm of the hand by thumb, index finger and middle finger cooperation centre gripping, can further guarantee the firm of positioning seat 1 when drawing the circle like this.

Specifically, the inner wall surfaces of the first through hole 12 and the second through hole 13 are respectively provided with a silica gel layer, so that the comfort level of a user holding the positioning seat 1 can be improved.

The end of the positioning end 11, which is away from the positioning seat 1, is arc-shaped. The positioning end 11 is made of hard plastic and has a stabilizing effect. And the arc shape is convenient for the rotation of the exercise book.

The connecting seat 2 is provided with a vertical third through hole 21, and the third through hole 21 is used for vertically inserting a pen; the wall of the third through hole 21 is provided with an elastic layer for fixing the pen and the connecting seat 2 in an interference manner. The actual size of the third through hole 21 is fixed according to the need, for example, one is used for fixing a pencil (B2 pencil, etc.), the other is used for fixing a disposable fountain pen, and the sizes of the pens are all fixed, so that the fixing is convenient, and the manufacturing difficulty of the connecting seat 3 is reduced.

Specifically, the elastic layer is a rubber layer.

Specifically, the connection base 2 is columnar.

The bottom of connecting seat 2 sets up detachable lid 22, and the one end that connecting seat 2 is close to lid 22 sets up the external screw thread, and the lid 22 is towards the protruding lid edge in one side of connecting seat 2, and the inboard of lid edge sets up the internal screw thread, lid 22 and connecting seat 2 threaded connection. The cover 22 can protect the pen core, and the pen is not required to be taken down after the pen is inserted, and the pen core is directly protected by the cover 22.

The side of the cover 22 facing the third through hole 21 and the side of the positioning end 11 facing away from the positioning seat 1 are located in the same horizontal plane. The height of the inner side of the cover 22 can be set to be used for positioning the pen core, so that errors in drawing circles can be reduced.

Specifically, the horizontal plane on which the side of the cover 22 facing the third through hole 21 and the side of the positioning end 11 facing away from the positioning seat 1 are located is parallel to the length direction of the slide rod 3.

Two sliding rods 3 are arranged between the positioning seat 1 and the connecting seat 2, and the two sliding rods 3 are vertically arranged in parallel at intervals; the slider 31 is provided with two connecting through holes 32, wherein one sliding rod 3 passes through one connecting through hole 32, and the other sliding rod 3 passes through the other connecting through hole 32. The arrangement of the two sliding rods 3 can ensure the stability of sliding of the sliding block 31.

Specifically, the end of the rod sliding rod 3 far away from the positioning seat 1 is provided with a fixed block 4, and the fixed block 4 is used for limiting the sliding block 31 to slide out of the sliding rod 3.

A pull ring 33 is arranged on one side of the sliding block 31 away from the connecting seat 2, and the axial direction of the pull ring 33 is parallel to the axial direction of each sliding rod 3; the pull ring 33 is used for allowing the thumb of the hand to pass through, so that the user can slide the sliding blocks 31 along the sliding rods 3 to adjust the radius length of the circle to be drawn. The pull ring 33 is provided to facilitate the user pushing the slider 31.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The novel syndiotactic finger is characterized by comprising a positioning seat, a connecting seat and a sliding rod, wherein one end of the sliding rod is connected with the positioning seat, the positioning seat is provided with a positioning end, and the positioning seat is used for pressing so that the positioning end is abutted against the circle center of a circle to be drawn; the sliding rod is provided with a sliding block, the sliding block is connected with a connecting seat, and the connecting seat is used for detachably fixing a pen so as to enable the pen to move along the length direction of the sliding rod; the sliding rod is provided with length scales, and the length scales are used for measuring the radius of a circle to be drawn; the connecting seat is provided with a vertical third through hole, and the third through hole is used for vertically inserting a pen; an elastic layer is arranged on the hole wall of the third through hole and used for fixing the pen and the connecting seat in an interference manner; the elastic layer is a rubber layer.

2. The novel finger compass according to claim 1, wherein the positioning seat is provided with a first through hole, the axial direction of the first through hole is perpendicular to the sliding rod, and the axial direction of the sliding rod and the axial direction of the first through hole are respectively arranged along the horizontal direction; the first through hole is used for allowing the fingers of a human body to pass through so as to fix the relative positions of the hand and the positioning seat.

3. The novel finger compass according to claim 2, wherein the positioning seat is further provided with a second through hole, the second through hole and the first through hole are arranged at intervals, and the axial direction of the second through hole is parallel to the axial direction of the second through hole.

4. The novel finger compass of claim 1, wherein the end of the locating end facing away from the locating seat is arc-shaped.

5. The novel finger compass according to claim 1, wherein a detachable cover body is arranged at the bottom end of the connecting seat, an external thread is arranged at one end of the connecting seat close to the cover body, a cover edge is protruded from one side of the cover body, which faces the connecting seat, an internal thread is arranged on the inner side of the cover edge, and the cover body is in threaded connection with the connecting seat.

6. The novel finger compass of claim 5, wherein a side of the cover facing the third through hole and a side of the positioning end facing away from the positioning seat are located in the same horizontal plane.

7. The novel finger compass according to any one of claims 1-4, wherein two sliding rods are arranged between the positioning seat and the connecting seat, and the two sliding rods are vertically arranged in parallel at intervals; the sliding block is provided with two connecting through holes, one sliding rod penetrates through one connecting through hole, and the other sliding rod penetrates through the other connecting through hole.

8. The novel finger compass according to claim 7, wherein a pull ring is arranged on one side of the sliding block, which is away from the connecting seat, and the axial direction of the pull ring is parallel to the axial direction of each sliding rod; the pull ring is used for enabling a thumb of a hand to pass through so that a user can slide the sliding blocks along the sliding rods and adjust the radius length of a circle to be drawn.