CN218287268U - Compasses - Google Patents

Abstract

The utility model provides a compasses relates to stationery technical field. The compasses include: turning a handle; one end of the first gauge leg is rotatably connected to the rotary handle, and the other end of the first gauge leg is provided with a stitch; one end of the second gauge leg is rotatably connected to the rotating handle, and the other end of the second gauge leg is provided with a lead core; and the adjusting assembly is arranged on the second gauge leg and is detachably connected to the lead core, and the adjusting assembly is used for adjusting the position of the lead core relative to the second gauge leg along the axial direction of the second gauge leg. The adjusting component is detachably connected to the lead core, and the adjusting component is convenient for installation and replacement of the lead core while providing a fixed installation position for the lead core. The relative position of pencil along second rule leg axial direction for the second rule leg can be adjusted to the regulating assembly, and the user need not to point direct contact pencil, utilizes the regulating assembly just can realize the activity of pencil for second rule leg position and adjusts, can not dirty the user finger, and saves trouble laborsavingly, improves the user and uses and feels.

Description

Compasses

Technical Field

The utility model discloses relate to stationery technical field on the whole, particularly, relate to a compasses.

Background

The compasses are a teaching aid commonly used for mathematics and drawing to realize the function of drawing circles. In the in-service use process, when meetting the plumule and shortening and be unfavorable for drawing the circle, the user needs the position of manual regulation plumule for the compasses body to reach the purpose of adjusting the plumule length, can make dirty the finger at this in-process, and adjust and take trouble hard, be difficult to satisfy the user demand of user pluralism.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of compasses, it is convenient, labour saving and time saving to adjust the lead.

According to an aspect of the utility model, a compasses is provided, include:

turning a handle;

one end of the first gauge leg is rotatably connected to the rotary handle, and the other end of the first gauge leg is provided with the pin;

one end of the second gauge leg is rotatably connected to the rotating handle, and the other end of the second gauge leg is provided with the lead core;

and the adjusting assembly is arranged on the second gauge leg and is detachably connected to the lead core, and the adjusting assembly is used for adjusting the position of the lead core along the axial direction of the second gauge leg relative to the second gauge leg.

In some of these embodiments, the adjustment assembly comprises:

the screw rod is partially arranged in the second gauge leg and is connected with the lead core;

the knob is sleeved on the second gauge leg and the screw rod, and the knob is configured to rotate relative to the second gauge leg and drive the lead core to move along the axial direction of the second gauge leg through the screw rod.

In some of these embodiments, the adjustment assembly further comprises:

the clamping block is arranged at one end, close to the lead, of the screw rod, the clamping block is detachably connected to the lead, and the clamping block is used for clamping the lead.

In some embodiments, the clamping block includes a plurality of interconnected clamping portions, and the plurality of clamping portions are disposed around and in abutment with the lead for mounting the lead.

In some embodiments, a gap is formed between two adjacent clamping portions and along the axial direction of the second gauge leg, an ejector block is arranged on the inner wall of the second gauge leg corresponding to the gap, and the ejector block can abut against the gap to enable the two adjacent clamping portions to move in the direction away from each other so as to detach the lead core.

In some embodiments, the compass further comprises a cover plate connected to the second rule leg, and an accommodating cavity is arranged between the sides of the cover plate and the second rule leg facing each other and used for accommodating the screw.

In some embodiments, a mounting groove is formed in one side, away from the cover plate, of the outer wall of the second gauge leg, the mounting groove is used for mounting the knob, and a through hole is formed in the cover plate, away from one side of the second gauge leg, and corresponds to the mounting groove.

In some of these embodiments, the cover plate is provided with a viewing window for viewing the use of the lead.

In some embodiments, a discharge groove is arranged between one end of the cover plate far away from the rotary handle and the second gauge leg and is used for discharging the broken lead.

In some embodiments, the compass further comprises a first rotating shaft, and the first rotating shaft penetrates through the first compass leg, the second compass leg and the rotating handle.

The utility model discloses an embodiment has following advantage or beneficial effect:

the embodiment of the utility model provides a compasses, first gauge leg are used for installing the stitch, and the second gauge leg is used for installing the plumule, when using, pricks the stitch on waiting to write the paper earlier, plays the effect of initial centering, rotates the swing handle after, makes the plumule can write the paper and draw the circle waiting. One end of the first gauge leg and one end of the second gauge leg are both rotatably connected to the rotating handle, and the function of drawing circles of different diameters is achieved by adjusting the included angle between the first gauge leg and the second gauge leg. The adjusting component can be detachably connected to the lead core, and the adjusting component is used for providing a fixed mounting position for the lead core, and the fixing structure is not completed between the adjusting component and the lead core, so that the lead core can be conveniently mounted and replaced. The relative position of pencil along second rule leg axial direction for the second rule leg can be adjusted to the regulating assembly, makes the pencil expose in the adjustable length of second rule leg, and the user need not to point direct contact pencil, utilizes the regulating assembly just can realize the activity regulation of pencil for the second rule leg position, can not make dirty user's finger, and saves trouble laborsavingly, improves the user sense of use.

Drawings

For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Wherein:

fig. 1 is a schematic structural view of a compass according to an embodiment of the present invention;

FIG. 2 is an exploded view of the compass according to an embodiment of the present invention;

FIG. 3 is a perspective view of a first compass according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an adjusting assembly of the compasses according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the combination of the compass display top block and the clamping block according to an embodiment of the present invention;

fig. 6 is a perspective view of a pair of compasses according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. rotating a handle; 2. a first gauge leg; 3. a stitch; 4. a second gauge leg; 5. a lead core; 6. an adjustment assembly; 7. a cover plate; 8. a first rotating shaft; 9. a second rotating shaft;

22. a top block;

41. mounting grooves;

61. a screw; 62. a knob; 63. a clamping block; 631. a clamping part; 632. a notch;

71. a through hole; 72. an observation window; 73. a discharge groove.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In the description of the present disclosure, unless explicitly specified or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.

The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.

Further, in the description of the present disclosure, it should be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in the context of a connection between one element or feature and another element(s), "on," "under," or "inside" or "outside," it can be directly connected to the other element(s) "on," "under" or "inside" or "outside," or indirectly connected to the other element(s) "on," "under" or "inside" or "outside" through intervening elements.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a detailed description thereof will be omitted.

The embodiment provides compasses suitable for stationery technical field. As shown in figure 1, the compasses comprise a rotating handle 1, a first ruler leg 2, a stitch 3, a second ruler leg 4 and a lead core 5, wherein one end of the first ruler leg 2 is rotatably connected to the rotating handle 1, the other end of the first ruler leg is provided with the stitch 3, one end of the second ruler leg 4 is rotatably connected to the rotating handle 1, and the other end of the second ruler leg is provided with the lead core 5.

The compasses that this embodiment provided, first compasses leg 2 are used for installing stitch 3, and second compasses leg 4 is used for installing plumule 5, when using, pricks stitch 3 earlier on waiting to write the paper, plays the effect of initial centering, rotates the swing handle 1 back, makes plumule 5 can carry out the drawing circle on waiting to write the paper. One end of the first gauge leg 2 and one end of the second gauge leg 4 are rotatably connected to the rotary handle 1, and the function of drawing different diameters of large and small circles is achieved by adjusting the included angle between the first gauge leg 2 and the second gauge leg 4.

In one embodiment, as shown in fig. 1, the compass further comprises a first rotating shaft 8, and the first rotating shaft 8 is arranged through the first rule leg 2, the second rule leg 4 and the rotating handle 1. The first and second legs 2, 4 and the rotary handle 1 are coaxially arranged, namely the first and second legs 2, 4 are pivoted on the rotary handle 1, so that the rotation angles of the first and second legs 2, 4 relative to the rotary handle 1 can be adjusted.

In one embodiment, the compass further comprises a second rotating shaft 9, and the pin 3 is rotatably connected to the first compass leg 2 through the second rotating shaft 9.

In other words, a fixed structure is not completed between the pin 3 and the first rotating shaft 8, the pin 3 is rotatably connected to the first gauge leg 2 through the second rotating shaft 9, a flexible rotating structure is formed between the pin 3 and the first rotating shaft 8, and the rotating angle of the pin 3 relative to the first gauge leg 2 can be adjusted, so that the distance between the pin 3 and the lead core 5 can be adjusted. It can be understood that the pin 3 represents the center of a circle, the lead 5 represents the periphery of the circle, and the distance between the pin 3 and the lead 5 represents the radius of the circle, so that the distance between the pin 3 and the lead 5 can be adjusted to meet the drawing requirements of circles with different diameters.

Along with the long-time use of user, lead 5 shortens gradually, and the user needs the position of manual regulation lead 5 for second rule leg 4 to reach the purpose that adjusts lead 5 and expose the length, can make dirty the finger at this in-process, and adjust and take trouble hard, be difficult to satisfy user's diversified user demand.

In order to solve this problem, as shown in fig. 2 to 3, the compass provided in the present embodiment further includes an adjusting assembly 6, the adjusting assembly 6 is disposed on the second support leg 4 and is detachably connected to the lead 5, and the adjusting assembly 6 is used for adjusting the position of the lead 5 relative to the second support leg 4 along the axial direction of the second support leg 4.

The compasses that this embodiment provided, adjusting part 6 can be dismantled and connect in lead 5, and adjusting part 6 is when providing fixed mounting position for lead 5, because the fixed knot structure is not accomplished between adjusting part 6 and the lead 5, the installation and the change of the lead 5 of being convenient for. The adjusting component 6 can adjust the pencil lead 5 along the 4 axial directions of second rule leg and for the position of second rule leg 4, make the pencil lead 5 expose in the adjustable length of second rule leg 4, the user need not to point direct contact pencil lead 5, utilizes adjusting component 6 just can realize the activity of pencil lead 5 for the 4 positions of second rule leg and adjusts, can not make dirty the user finger, and save trouble laborsavingly, improves the user and uses the sense.

In one embodiment, as shown in fig. 2-3, the adjusting assembly 6 includes a screw 61 and a knob 62, the screw 61 is partially disposed in the second leg 4 and connected to the lead 5, the knob 62 is sleeved on the second leg 4 and the screw 61, and the knob 62 is configured to rotate relative to the second leg 4 and move the lead 5 along the axial direction of the second leg 4 via the screw 61.

Wherein, be provided with the screw hole in the center of knob 62, screw rod 61 wears to locate the screw hole of knob 62 and is connected rather than the transmission, along with knob 62 rotates for second rule leg 4, knob 62 drives screw rod 61 and moves up and down along the axial direction of second rule leg 4, and screw rod 61 and knob 62 play the effect of screw nut pair to the realization is changed the rotary motion of knob 62 into the straight motion of screw rod 61. Because the screw 61 is connected to the lead core 5, the screw 61 drives the lead core 5 to move along the axial direction of the second leg 4, so as to achieve the purpose of adjusting the length of the lead core 5 exposed out of the second leg 4. When the lead 5 on the second rule leg 4 is too short to facilitate drawing circles, the user only needs to rotate the knob 62 to adjust the position of the lead 5, fingers are not contaminated, and the operation is convenient.

In one embodiment, as shown in fig. 2-3, the adjustment assembly 6 further comprises a clamping block 63, the clamping block 63 is disposed at one end of the screw 61 near the lead 5, the clamping block 63 is detachably connected to the lead 5, and the clamping block 63 is used for clamping the lead 5.

Through being provided with the grip block 63 in the one end that the screw rod 61 is close to the lead 5, the grip block 63 sets up in the bottom of screw rod 61 promptly, is not complete fixed knot structure between grip block 63 and the lead 5, is detachable construction between grip block 63 and the lead 5, the installation and the change of the lead 5 of being convenient for. The lead 5 can be clamped by the clamping block 63 to ensure the fixing effect of the lead 5.

In one embodiment, as shown in fig. 2-4, the clamping block 63 includes a plurality of interconnected clamping portions 631, and the plurality of clamping portions 631 are disposed around and in abutment with the lead 5 for mounting the lead 5.

It can be understood that the ends of the plurality of clamping portions 631 adjacent to the screw 61 are connected to each other, ensuring the fixing effect of the clamping portions 631. The plurality of clamping parts 631 surround the lead core 5, a containing space for containing the lead core 5 is formed between the plurality of clamping parts 631, the inner side surfaces of the plurality of clamping parts 631 abut against the outer wall of the lead core 5, the clamping and fixing effects on the lead core 5 are guaranteed, the plurality of clamping parts 631 equivalently surround the lead core 5, and the uniformity and the balance of the clamping of the outer wall of the lead core 5 are guaranteed.

In one embodiment, as shown in fig. 5, a notch 632 is disposed between two adjacent clamping portions 631 and along the axial direction of the second gauge leg 4, and a top block 22 is disposed on the inner wall of the second gauge leg 4 corresponding to the notch 632, and the top block 22 can abut against the notch 632 to move the two adjacent clamping portions 631 away from each other for disassembling the lead 5.

The ends, far away from the screw 61, of the two adjacent clamping portions 631 are not connected to each other, but a notch 632 is arranged between the two adjacent clamping portions 631 along the axial direction of the second gauge leg 4, so as to reduce the overall structural strength of the clamping block 63, and enable a certain movement allowance to be provided between the two adjacent clamping portions 631. When the user uses for a long time, even if the length of the lead core 5 exposed out of the second gauge leg 4 by the screwing knob 62 is too short, the lead core 5 needs to be replaced, at this time, the screwing knob 62 is continuously screwed until the top block 22 of the second gauge leg 4 abuts against the notch 632 between the two adjacent clamping portions 631, along with the continuous downward movement of the clamping block 63, the notch 632 is opened by the top block 22, so that the two adjacent clamping portions 631 move in the direction away from each other, the inner side surface of the clamping portion 631 no longer abuts against the lead core 5, the lead core 5 is conveniently taken out of the notch 632 and replaced, and the notch 632 can be used for inserting and taking out the lead core 5, thereby facilitating the installation and the disassembly of the lead core 5.

It will be appreciated that the top block 22 may be embodied as a conical structure, and the small end of the conical structure is disposed toward the notch 632 to facilitate expanding the notch 632.

In one embodiment, as shown in fig. 2 and 6, the compass further comprises a cover plate 7, the cover plate 7 is connected to the second support leg 4, and a receiving cavity is arranged between the sides of the cover plate 7 and the second support leg 4 facing each other and used for receiving the screw 61.

Wherein, apron 7 is provided with first inner chamber towards one side of second compasses leg 4, and second compasses leg 4 is provided with the second inner chamber towards one side of apron 7, and the opening of first inner chamber and second inner chamber just communicates each other to setting up, forms and holds the chamber, holds the chamber and when playing and holding screw rod 61 effect, still plays the effect to the spacing protection of screw rod 61.

In one embodiment, the side of the outer wall of the second support leg 4 remote from the cover plate 7 is provided with a mounting groove 41, the mounting groove 41 is used for mounting the knob 62, and the cover plate 7 remote from the second support leg 4 and corresponding to the mounting groove 41 is provided with a through hole 71.

A mounting groove 41 is formed in one side, away from the cover plate 7, of the outer wall of the second gauge leg 4, the mounting groove 41 provides a mounting position for the knob 62, the knob 62 is mounted, and in addition, part of the structure of the knob 62 is exposed relative to the second gauge leg 4, so that a user can directly contact and screw the knob 62 conveniently.

By providing the through hole 71 in the cover plate 7 on the side away from the second gauge leg 4 and corresponding to the mounting groove 41, a part of the structure of the knob 62 is exposed with respect to the cover plate 7, and the user's finger can pass through the through hole 71 of the cover plate 7 and contact the knob 62. Since the mounting groove 41 and the through hole 71 are disposed at opposite sides, the thumb and the index finger of the user can simultaneously screw the knob 62, providing convenience to the user.

In one embodiment, as shown in fig. 2 and 6, the cover plate 7 is provided with a viewing window 72, the viewing window 72 being used to view the use of the lead 5.

The observation window 72 can be selectively disposed on the via hole structure of the cover plate 7 or made of a transparent material, so that a user can observe the service conditions of the lead 5, for example, the length and the breakage of the lead 5.

It is understood that the number of the observation windows 72 may be multiple, and the plurality of observation windows 72 are sequentially arranged along the axial direction of the cover plate 7, so as to facilitate observation of the use states of the lead cores 5 with different lengths.

In one embodiment, as shown in fig. 2 and 6, a discharge groove 73 is provided between the end of the cover plate 7 remote from the swing handle 1 and the second gauge leg 4, and the discharge groove 73 is used for discharging broken leads 5.

Wherein, apron 7 is kept away from swing handle 1 one end and is provided with first recess, and second rule leg 4 corresponds first recess and is provided with the second recess, and first recess and second recess communicate each other, form discharge groove 73, and when lead 5 broke in second rule leg 4, utilize discharge groove 73 to discharge cracked lead 5.

It is understood that, after the lead 5 is broken, if the length of the lead 5 remained is long enough, the length of the lead 5 exposed to the second support leg 4 can be adjusted by rotating and screwing for reuse.

The compass provided by the embodiment is used as follows:

when the lead 5 on the second support leg 4 is too short to facilitate drawing a circle, the user can rotate the knob 62 fitted over the screw 61, so that the screw 61 moves downward along the axial direction of the second support leg 4, and the lead 5 in the clamping block 63 moves downward;

the top block 22 is arranged at the lower end of the inner wall of the second gauge leg 4, when the clamping block 63 contacts the top block 22, the top block 22 props up the gap 632 between the two adjacent clamping parts 631 along with the continuous descending of the clamping block 63, so that the two adjacent clamping parts 631 move in the direction away from each other, and the lead core 5 can be conveniently taken out of the gap 632 and replaced;

when the lead 5 is broken in the second blade 4, the broken lead 5 can be discharged by the discharge groove 73.

It should be noted here that the compasses shown in the drawings and described in the present description are only one example of the application of the principles of the present invention. It should be clearly understood by those skilled in the art that the principles of the present invention are not limited to any of the details or any of the components of the apparatus shown in the drawings or described in the specification.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the description. The present invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present invention. The embodiments set forth herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A compass, comprising:

a rotating handle (1);

the compasses comprise a first compasses leg (2) and a pin (3), wherein one end of the first compasses leg (2) is rotatably connected to the rotary handle (1), and the pin (3) is arranged at the other end of the first compasses leg;

the compass comprises a second compass leg (4) and a lead core (5), wherein one end of the second compass leg (4) is rotatably connected to the rotary handle (1), and the other end of the second compass leg is provided with the lead core (5);

the adjusting assembly (6) is arranged on the second gauge leg (4) and is detachably connected to the lead core (5), and the adjusting assembly (6) is used for adjusting the position of the lead core (5) along the axial direction of the second gauge leg (4) relative to the second gauge leg (4).

2. The compass according to claim 1, characterized in that the adjustment assembly (6) comprises:

a screw (61) partially disposed in the second gauge leg (4) and connected to the lead (5);

the knob (62) is sleeved on the second gauge leg (4) and the screw rod (61), and the knob (62) is configured to rotate relative to the second gauge leg (4) and drives the lead core (5) to move along the axial direction of the second gauge leg (4) through the screw rod (61).

3. The compass according to claim 2, characterized in that the adjustment assembly (6) further comprises:

the clamping block (63) is arranged at one end, close to the lead core (5), of the screw rod (61), the clamping block (63) is detachably connected to the lead core (5), and the clamping block (63) is used for clamping the lead core (5).

4. The compass according to claim 3, characterized in that the clamping block (63) comprises a plurality of mutually connected clamping portions (631), the plurality of clamping portions (631) being disposed around the pencil core (5) in abutment therewith for mounting the pencil core (5).

5. The compass according to claim 4, wherein a notch (632) is provided between two adjacent clamping portions (631) along the axial direction of the second compass leg (4), and a top block (22) is provided on the inner wall of the second compass leg (4) corresponding to the notch (632), wherein the top block (22) can abut against the notch (632) to move the two adjacent clamping portions (631) in a direction away from each other for disassembling the lead core (5).

6. The compass according to claim 2, further comprising a cover plate (7), the cover plate (7) being connected to the second blade (4), a receiving chamber being provided between the sides of the cover plate (7) and the second blade (4) facing each other for receiving the threaded rod (61).

7. The compasses of claim 6, wherein a mounting groove (41) is provided on a side of the outer wall of said second blade (4) remote from said cover plate (7), said mounting groove (41) being used for mounting said knob (62), and a through hole (71) is provided on a side of said cover plate (7) remote from said second blade (4) and corresponding to said mounting groove (41).

8. The compass according to claim 6, characterized in that the cover plate (7) is provided with a viewing window (72), the viewing window (72) being used to view the use of the pencil core (5).

9. The compass according to claim 8, wherein a discharge groove (73) is provided between the end of the cover plate (7) remote from the rotating handle (1) and the second blade (4), the discharge groove (73) being used for discharging the broken lead (5).

10. The compass according to any one of claims 1 to 9, further comprising a first rotation shaft (8), said first rotation shaft (8) being disposed through said first (2), second (4) and rotating handle (1).

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