Compasses

Abstract

A pair of compasses comprises a first folding leg, a second folding leg and a ruler with scales, the ruler is provided with a rotating shaft hole and a sliding groove structure, the sliding groove structure extends in the length direction of the ruler, the ruler is rotationally connected with the first folding leg through the rotating shaft hole, and the first folding leg is provided with scales. The second folding leg is rotationally mounted in the sliding groove structure and can slide along the sliding groove structure; wherein the first folding leg is provided with a first containing area for the ruler to rotate and contain, the ruler is provided with a second containing area for the second folding leg to rotate and contain, the length of the ruler is not larger than that of the first folding leg, and the length of the second folding leg is smaller than that of the ruler. The second folding leg can be stored in the second storage area, and the ruler can be stored in the first storage area.

Description

Technical Field

[0001] The utility model relates to the field of drawing stationery, in particular to a compass. Background Art

[0002] The known ordinary drawing and marking compasses have no scales. When drawing a circle with a given radius, it is necessary to measure the known radius with a ruler and then draw the circle. This requires two stationery items, a ruler and a compass, which is very inconvenient to use. Utility Model Content

[0003] The utility model provides a compass, which does not require the use of other additional measuring tools and is easy to operate. The compass is also easy to store after use and does not occupy space.

[0004] The utility model also provides a compass, comprising a first folding foot, a second folding foot and a ruler with a scale, wherein the ruler is provided with a rotating shaft hole and a sliding groove structure, wherein the sliding groove structure extends along the length direction of the ruler, wherein the ruler is rotatably connected to the first folding foot through the rotating shaft hole, and the second folding foot is rotatably installed in the sliding groove structure and can slide along the sliding groove structure;

[0005] Among them, the first folding leg is provided with a first storage area for the ruler to be rotatably stored, and the ruler is provided with a second storage area for the second folding leg to be rotatably stored, and the length of the ruler is not greater than the length of the first folding leg, and the length of the second folding leg is less than the length of the ruler, so that the second folding leg can be stored in the second storage area and the ruler can be stored in the first storage area.

[0006] In some embodiments of the compass of the present invention, a limiting portion is provided on the first folding leg for limiting the position of the ruler in the first storage area.

[0007] In some embodiments of the compass of the present invention, the limiting portion includes a limiting platform extending along the length direction of the first folding leg, the limiting platform is arranged on one side of the first folding leg, and the first storage area is formed on the other side of the first folding leg.

[0008] In some embodiments of the compass of the present invention, the first folding leg is provided with a first end, a second end and a connecting hole, and the distance between the first end and the connecting hole is greater than the distance between the second end and the connecting hole.

[0009] In some embodiments of the compass of the present invention, the connecting hole is arranged on a side close to the first receiving area.

[0010] In some embodiments of the compass of the present invention, the scale is arranged on one side of the slide groove structure.

[0011] In some embodiments of the compass of the present invention, a connecting shaft and a cutter are provided on the second folding leg, the connecting shaft is slidably connected in the slide groove structure, and the cutter is arranged at an end of the second folding leg away from the connecting shaft.

[0012] In some embodiments of the compass of the present invention, the cut of the cutter is wavy, serrated or beveled.

[0013] In some embodiments of the compass of the present invention, a first elastic member is provided between the first folding leg and the ruler.

[0014] In some embodiments of the compass of the present invention, a second elastic member is provided between the second folding leg and the ruler.

[0015] The technical solution provided by the embodiments of the present application may include the following beneficial effects: the present application designs a compass, including a first folding leg, a second folding leg and a ruler with a scale, the ruler is provided with a rotating shaft hole and a sliding groove structure, the ruler is rotatably connected to the first folding leg through the rotating shaft hole, the second folding leg is rotatably installed in the sliding groove structure and can slide along the sliding groove structure, which is used to adjust the distance between the first folding leg and the second folding leg. The corresponding scale on the sliding groove structure can be used to make the compass have higher dimensional accuracy when drawing a circle, without the need to use other additional measuring tools, and the operation is convenient.

[0016] Among them, the first folding leg is provided with a first storage area for rotating and storing a ruler, and the ruler is provided with a second storage area for rotating and storing a second folding leg, and the length of the ruler is not greater than the length of the first folding leg, and the length of the second folding leg is less than the length of the ruler, so that the second folding leg can be stored in the second storage area and the ruler can be stored in the first storage area without occupying space.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a compass provided by an embodiment of the present application;

[0020] Figure 2 yes Figure 1 Schematic diagram of the expansion of the compass in ;

[0021] Figure 3 yes Figure 1 Schematic diagram of the decomposition of the compass in;

[0022] Figure 4 yes Figure 1 Schematic diagram of the unfolding of the second folding leg. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should also be understood that the terms used in this utility model specification are only for describing specific realities. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0026] like Figures 1 to 4As shown, the present application provides a compass, comprising a first folding leg 20, a second folding leg 30 and a ruler 10 with scales. The ruler 10 is provided with a shaft hole 12 and a slide groove structure 11, and the slide groove structure 11 extends along the length direction of the ruler 10 and corresponds to the position of the scales. In this embodiment, the ruler 10 is rotatably connected to the first folding leg 20 through the shaft hole 12, and the second folding leg 30 is rotatably installed in the slide groove structure 11 and can slide along the slide groove structure 11, so that the spacing between the first folding leg 20 and the second folding leg 30 can be adjusted. Through the corresponding scales on the slide groove structure 11, the compass can have a higher dimensional accuracy when drawing a circle, without the need to use other additional measuring tools, and is easy to operate.

[0027] In an optional embodiment, the first folding leg 20 is provided with a first storage area 22 for rotating and storing the ruler 10, and the ruler 10 is provided with a second storage area for rotating and storing the second folding leg 30, and the length of the ruler 10 is not greater than the length of the first folding leg 20, and the length of the second folding leg 30 is less than the length of the ruler 10, so that the second folding leg 30 can be stored in the second storage area, and the ruler 10 can be stored in the first storage area 22 without occupying space.

[0028] In an optional embodiment, the first folding foot 20 can be rotated relative to the ruler 10 to a fully folded state and a fully expanded state. In this embodiment, the compass also includes a first holding mechanism, the first holding mechanism includes a first fixed portion and a first abutment portion, the first fixed portion is elastically connected to the first abutment portion, the first fixed portion is fixed on the ruler 10, and the first abutment portion abuts against the first folding foot 20 to maintain the first folding foot 20 when it is rotated to the fully folded state and the fully expanded state.

[0029] In an optional embodiment, the second folding foot 30 can be rotated relative to the ruler 10 to a fully folded state and a fully unfolded state. In this embodiment, the compass also includes a second holding mechanism, the second holding mechanism includes a second fixed portion and a second abutment portion, the second fixed portion is elastically connected to the second abutment portion, the second fixed portion is fixed on the second folding foot 30, and the second abutment portion abuts against the ruler 10 to hold the ruler 10 when it is rotated to the fully folded state and the fully unfolded state.

[0030] In an optional embodiment, the first abutment portion and the second abutment portion can be any shape, such as a circular ring shape, an arc shape, a spherical shape or other irregular shapes. The main purpose is to maintain the first folding leg 20 and the second folding leg 30 in a fully folded state and a fully unfolded state. The utility model is not limited thereto.

[0031] For example, when in use, the first folding foot 20 can be rotated relative to the ruler 10 to a fully extended state, and then held by the first holding mechanism; similarly, the second folding foot 30 can be rotated relative to the ruler 10 to a fully extended state, and then held by the second holding mechanism. After the second folding foot 30 is held by the second holding mechanism, a certain torque can be applied to the second folding foot 30 to make the second folding foot 30 slide along the slide groove structure 11, so that the distance between the first folding foot 20 and the second folding foot 30 can be adjusted, that is, circles of different diameters can be drawn.

[0032] As a further improved technical solution, the first holding mechanism also includes a first abutment fitting portion, and the second holding mechanism also includes a second abutment fitting portion. The first abutment fitting portion is arranged on the end surface where the first folding foot 20 is rotatably connected to the ruler 10, and is used for abutment fitting with the first abutment portion; the second abutment fitting portion is arranged on the end surface where the ruler 10 is rotatably connected to the second folding foot 30, and is used for abutment fitting with the second abutment portion.

[0033] In an optional embodiment, the first abutment matching portion includes a groove that matches the shape of the first abutment portion, so as to better limit the first folding foot 20. Specifically, when the shape of the first abutment portion is annular, the shape of the groove is an annular groove; when the shape of the first abutment portion is spherical, the shape of the groove is a spherical surface with the same curvature radius as the sphere, etc.

[0034] In an optional embodiment, the second abutment matching portion includes a strip groove adapted to the shape of the second abutment portion, and the strip groove extends along the length direction of the ruler 10 to better limit the second folding foot 30. Specifically, when the shape of the second abutment portion is spherical, the shape of the strip groove is a spherical surface with the same curvature radius as the sphere.

[0035] In an optional embodiment, the first retaining mechanism includes but is not limited to a ball plunger, and the second retaining mechanism includes but is not limited to a ball plunger.

[0036] In an optional embodiment, a limiting portion is provided on the first folding leg 20 , and the limiting portion is used to limit the position of the ruler 10 in the first storage area 22 .

[0037] In an optional embodiment, the limiting portion includes a limiting platform 21 extending along the length direction of the first folding leg 20, the limiting platform 21 is arranged on one side of the first folding leg 20, and the first storage area 22 is formed on the other side of the first folding leg 20, so that when the first folding leg 20 is rotated to a fully folded state relative to the ruler 100, the limiting platform 21 can prevent the first folding leg 20 from continuing to rotate.

[0038] In an optional embodiment, the first folding leg 20 is provided with a first end, a second end and a connecting hole 23 , and the distance between the first end and the connecting hole 23 is greater than the distance between the second end and the connecting hole 23 .

[0039] Exemplarily, the first folding leg 20 is connected to the ruler 100 via the connecting hole 23, and the ruler 100 divides the first folding leg 20 into a first section 20a and a second section 20b; wherein the length of the first section 20a is less than the length of the second section 20b.

[0040] In an optional embodiment, the connecting hole 23 is disposed on a side of the first folding foot 20 close to the first storage area 22 .

[0041] In an optional embodiment, the scale is arranged on one side or both sides of the slide groove structure 11 .

[0042] In an optional embodiment, a connecting shaft 31 and a cutter 32 are provided on the second folding foot 30. The connecting shaft 32 is slidably connected in the slide groove structure 11. The cutter 32 is arranged at one end of the second folding foot 20 away from the connecting shaft 31, so that the compass of the present application has the function of a paper cutter.

[0043] In an optional embodiment, the cut of the cutter 32 is wavy, serrated or beveled.

[0044] In an optional embodiment, a first elastic member is provided between the first folding foot 20 and the ruler 10 for fixing the first folding foot 20 .

[0045] Specifically, one end of the first elastic member abuts against the first folding leg 20 , and the other end of the first elastic member abuts against the ruler 10 .

[0046] In an optional embodiment, a second elastic member is provided between the second folding leg 30 and the ruler 10 for fixing the first folding leg 20 .

[0047] Specifically, one end of the second elastic member abuts against the second folding leg 30 , and the other end of the second elastic member abuts against the ruler 10 .

[0048] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0049] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0050] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A compass, characterized in that: The invention comprises a first folding leg, a second folding leg and a ruler with a scale, wherein the ruler is provided with a rotating shaft hole and a sliding groove structure, wherein the sliding groove structure extends along the length direction of the ruler, the ruler is rotatably connected to the first folding leg through the rotating shaft hole, and the second folding leg is rotatably installed in the sliding groove structure and can slide along the sliding groove structure; In which, the first folding leg is provided with a first storage area for rotating and storing the ruler, and the ruler is provided with a second storage area for rotating and storing the second folding leg, and the length of the ruler is not greater than the length of the first folding leg, and the length of the second folding leg is less than the length of the ruler, so that the second folding leg can be stored in the second storage area and the ruler can be stored in the first storage area.

2. The compass according to claim 1, characterized in that A limiting portion is provided on the first folding leg for limiting the position of the ruler in the first storage area.

3. The compass according to claim 2, characterized in that The limiting portion includes a limiting platform extending along the length direction of the first folding leg. The limiting platform is arranged on one side of the first folding leg, and the first storage area is formed on the other side of the first folding leg.

4. The compass according to claim 1, characterized in that The first folding leg is provided with a first end, a second end and a connecting hole, and the distance between the first end and the connecting hole is greater than the distance between the second end and the connecting hole.

5. The compass according to claim 4, characterized in that The connection hole is arranged on a side close to the first receiving area.

6. The compass according to claim 1, characterized in that The scale is arranged on one side of the slide groove structure.

7. The compass according to claim 1, characterized in that The second folding leg is provided with a connecting shaft and a cutter. The connecting shaft is slidably connected to the slide groove structure. The cutter is arranged at an end of the second folding leg away from the connecting shaft.

8. The compass according to claim 7, characterized in that The incision of the cutter is wavy, sawtooth or bevel.

9. The compass according to claim 1, characterized in that A first elastic member is provided between the first folding leg and the ruler.

10. The compass according to claim 1, characterized in that A second elastic member is provided between the second folding leg and the ruler.

Images