CN102529525B - Compass - Google Patents
Compass Download PDFInfo
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- CN102529525B CN102529525B CN 201210053981 CN201210053981A CN102529525B CN 102529525 B CN102529525 B CN 102529525B CN 201210053981 CN201210053981 CN 201210053981 CN 201210053981 A CN201210053981 A CN 201210053981A CN 102529525 B CN102529525 B CN 102529525B
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- screwed hole
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Abstract
The invention discloses a novel compass, which comprises a handle, a central compass leg, a drawing compass leg and the like, wherein an inverted U-shaped foot is arranged at the bottom of the drawing compass leg and is provided with a connecting component; the connecting component is provided with a refill fixing component and a bushing; the wall of a shell of the refill fixing component is provided with a screw stem; a pressing sheet and a spring are arranged in the shell, are serially connected by a shaft pin and are movably positioned; a refill is inserted into the shell; the screw stem is screwed up; the pressing sheet is pushed by the head of the screw stem to fix the refill; according to the compass, drawing can be realized by using the refill; and the screw stem is screwed off, the pressing sheet is bounced away by the spring, and then the refill can be taken out. The screw stem is arranged on the wall of the bushing and is movably connected with a fastening sheet in the bushing; after a fine pen such as a lead pencil or a rough pen such as a marking pen is inserted into the bushing, the screw stem is screwed up, and the fastening sheet is pushed by the screw stem to fix the pen in the bushing; and the compass can be used for drawing with the fine pen or the rough pen. The refill on the refill fixing component and the fine pen or the rough pen on the bushing can also be simultaneously used for drawing.
Description
Technical field the present invention relates to a kind of drawing instrument, specifically relates to a kind of compasses.
The disclosed Chinese patent application of background skill wood number is 201010127211.3 " a kind of compasses ", be characterized at this compasses drawing leg adjusting device being installed, be equipped with for the fixing draft holder of drawing instrument in adjusting device, adjusting device and draft holder are flexibly connected; The draft holder main body is the cylinder of hollow, can put the thick pens such as marking pen in the cylindrical hollow part, the cylinder both sides are provided with two corresponding holes, and the cylinder of erectting is changed into laterally, when two corresponding holes of cylinder both sides become vertical up and down, then can be used to fixedly thin of pencil etc.When using thick pen or thin, all the available adjustment device is fixed on pen on the draft holder.
These compasses can successively use thick pen and thin pen, have enlarged the scope of application.But these compasses can not use the pen cores such as pencil, ball pen, water-color paintbrush, and people especially the student is very general to the use of pen core.
Summary of the invention technical problem to be solved by this invention is to overcome above-mentioned compasses and other compasses the deficiencies in the prior art and a kind of applicable multiple thick pen, thin pen, pen core are provided and use more easily compasses.
The present invention solves the technical scheme that above-mentioned compasses and other compasses the deficiencies in the prior art adopt: a kind of novel bow compass, comprise handle, centre gauge leg, stitch, drawing gauge leg, its design feature is to be provided with inverted U-shaped pin in drawing gauge leg bottom, at inverted U-shaped pin attaching parts are installed, are separately installed with pen core fixed part and sleeve pipe in attaching parts.
One of them pin of described inverted U-shaped pin is provided with a screwed hole, is provided with a screw hole at another pin, and is furnished with the with handles screw rod supporting with screwed hole and screw hole, and inverted U-shaped foot bottom is circular arc.
Be respectively equipped with a rectangular large jack and a rectangular little jack on the described attaching parts, two jacks are adjacent; Be respectively equipped with outwardly screwed hole at large jack one sidewall and little jack one sidewall; Be provided with rotating handle in attaching parts one side, the width of this rotating handle is corresponding with the width of inverted U-shaped pin groove; Be provided with screw hole at this rotating handle, the rotating handle head is circular arc.
Described its housing of pen core fixed part is rectangular tube, is provided with an outwardly screwed hole at this rectangular tube one side pipe wall center, and screw rod with handles is installed on this screwed hole; The side pipe wall outside corresponding with screwed hole is provided with a little inserting handle, and the outside of this little inserting handle is vertical plane from top to bottom, and little inserting handle inboard inwardly slightly is the inclined-plane from top to bottom, and this little inserting handle is corresponding with the little jack on the attaching parts; The rectangular tube housing is built-in with clamping piece, and centre, this clamping piece outside contacts with screw head on being installed in screwed hole; The clamping piece four corners position is provided with four small sircle holes, be provided with screwed hole one side pipe wall four corners position and be provided with four small sircle holes, these four small sircle holes are corresponding with four small sircle holes on the clamping piece, be provided with little inserting handle one side pipe wall four corners position and be provided with four small sircle holes, these four small sircle holes are also corresponding with four small sircle holes on the clamping piece; Clamping piece inner face and be provided with between the little inserting handle one side pipe wall inner face four springs are installed, passed respectively four small sircle holes that are provided with on screwed hole one side pipe wall and the clamping piece four corners position by four pivot pins, pass again four spring centers and four small sircle holes that are provided with on the little inserting handle one side pipe wall four corners position, make clamping piece and spring obtain activity orientation; At the clamping piece inner face be provided with little inserting handle one side pipe wall inner face and be respectively equipped with one deck foam-rubber cushion.
Described sleeve pipe is a kind of circular casing, is provided with a large inserting handle in the sleeve pipe tube wall outside, and the outside of this large inserting handle is vertical plane from top to bottom, and large inserting handle inboard inwardly slightly is the inclined-plane from top to bottom, and this large inserting handle is corresponding with the large jack on the attaching parts; Be provided with an outwardly screwed hole at the sleeve pipe tube wall, this screwed hole is in the center between the sleeve pipe top and bottom, and the tube wall corresponding with screwed hole is provided with one the screw special hole is installed; Screw rod with handles is installed on the screwed hole, and this screw rod center is provided with without penetrating screwed hole, and this nothing penetrates screwed hole and is furnished with screw; Sleeve pipe is built-in with the arc connecting plate, this connecting plate centre is outwards concavo-convex, this concavo-convex position is corresponding with the screwed hole on the sleeve pipe tube wall, jog potential head section external diameter is less than the diameter of screwed hole, concavo-convex position is provided with a screw hole, with without penetrate the supporting screw of screwed hole pass behind the screw hole be installed in screwed hole on the nothing at screw rod center penetrate screwed hole and be connected; Make connecting plate and screw rod obtain being flexibly connected, connecting plate and screw head leave minim gap; Connecting plate inner surface upper and lower part and the sleeve pipe tube wall inboard upper and lower part corresponding with the connecting plate inboard are respectively equipped with spongy layer.
The outer race of described compasses handle has the long handle of adding, and the handle head is provided with outer silk screw thread, lengthen the handle head be provided with the internal thread screw thread and with the supporting engagement of outer silk screw thread of handle head.
Beneficial effect of the present invention: a kind of compasses both can adopt thick pen (marking pen, watercolor pencil etc.), thin pen (pencil, ball pen, water-color paintbrush, chalk etc.) to draw, can adopt again pen core (pen cores such as pencil, ball pen, water-color paintbrush) to draw, and pen core can also be installed on the compasses with thick pen or thin pen and draw (also can be taken up in order of priority drawing) simultaneously, enlarged the use crowd, expand the scope of application, improved the practical value of compasses; These compasses are also very convenient quick to the transposing of various pens, pen core.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is inverted U-shaped leg structure and block diagram.
Fig. 3 is that attaching parts are provided with rotating handle one side schematic diagram.
Fig. 4 is that attaching parts do not have rotating handle one side schematic diagram.
Fig. 5 is pen core fixed part cross-sectional schematic.
Fig. 6 is the perspective view of Fig. 5.
Fig. 7 is the sleeve pipe perspective view.
Fig. 8 is the cross-sectional schematic of Fig. 7.
Fig. 9 is each assembling parts decomposing schematic representation of Fig. 7.
Figure 10 is the compasses handle and adds long handle without extending the combination schematic diagram.
Figure 11 be the compasses handle with add long handle be connected extend after schematic diagram.
Figure 12 is thin the working state schematic representation that is installed on the compasses.
Figure 13 is pen core and the thick pen while working state schematic representation that is installed on the compasses.
Figure 14 is thick view that works independently after pen core raises.
The specific embodiment now remakes the embodiment of the invention by reference to the accompanying drawings and is described in detail.
Such as Fig. 1～shown in Figure 14,1. handle, 11. add long handle, 2. centre gauge leg, 21. stitch, 3. drawing gauge leg, 31. inverted U-shaped pin, 32.A screw rod (is inverted U-shaped pin screw rod, together lower), 33.A screwed hole (is inverted U-shaped pin screwed hole, together lower), 34.A screw hole (is inverted U-shaped pin screw hole, together lower), 4. attaching parts, 41. large jack, 42. little jack, 43. rotating handle, 44.B screwed hole (is large jack screwed hole, together lower), 45.C screwed hole (is little jack screwed hole, together lower), 46.B screw hole (is the rotating handle screw hole, together lower), 5. pen core fixed part, 51. clamping piece, 52. spring, 53. pivot pin, 54.D screwed hole (is pen core fixed part screwed hole, together lower), 55.B screw rod (is pen core fixed part screw rod, together lower), 56. foam-rubber cushion, 57. little inserting handle, 6. sleeve pipe, 61. connecting plate, 62. screw, 63. screw hole, 64.E screwed hole (is the casing threads hole, together lower), 65.C screw rod (being the sleeve pipe screw rod, lower same), 66. without penetrating screwed hole, 67. spongy layer, 68. the screw special hole is installed, 69. large inserting handle.
A kind of novel bow compass, comprise handle 1, centre gauge leg 2, stitch 21, drawing gauge leg 3, its design feature is provided with inverted U-shaped pin 31 in drawing gauge leg 3 bottoms as shown in Figure 1, at inverted U-shaped pin 31 attaching parts 4 are installed, are separately installed with pen core fixed part 5 and sleeve pipe 6 in attaching parts 4.Pen core fixed part 5 is used for the fixedly pen cores such as pencil, ball pen, water-color paintbrush; 6 of sleeve pipes are the thick pen such as marking pen, watercolor pencil fixedly, also the fixing thin pen such as pencil, ball pen, water-color paintbrush, writing brush, chalk, wax crayon.
Described inverted U-shaped pin 31 as shown in Figure 2, to be provided with an A screwed hole 33 at these inverted U-shaped pin 31 one of them pin, be provided with an A screw hole 34 at another pin, and be furnished with the with handles A screw rod 32 supporting with A screwed hole 33 and A screw hole 34, inverted U-shaped pin 31 bottoms are circular arc.
Described attaching parts 4 are that to be respectively equipped with a rectangular large jack 41 in these attaching parts 4 adjacent with 42, two jacks of a rectangular little jack as shown in Figure 3, Figure 4; Be respectively equipped with outwardly B screwed hole 44 and C screwed hole 45 at large jack 41 1 sidewalls and little jack 42 1 sidewalls.Be provided with rotating handle 43 in attaching parts 4 one sides, the width of this rotating handle 43 is corresponding with the width of inverted U-shaped pin 31 grooves; Be provided with B screw hole 46 at this rotating handle 43, rotating handle 43 heads are circular arc.
The rotating handle 43 of attaching parts 4 is embedded in the intermediate groove of inverted U-shaped pin 31, B screw hole 46 on the rotating handle 43 is alignd with A screw hole 34 and A screwed hole 33 on the inverted U-shaped pin 31, A screw rod 32 is successively passed A screw hole 34,46 rear connections with A screwed hole 33 also of B screw hole suitably screw, simultaneously, adjust the angle of attaching parts 4 by the up and down rotation of rotating handle 43, after attaching parts 4 are adjusted angle, A screw rod 32 is tightened on the A screwed hole 33 fully, attaching parts 4 are fixed on the inverted U-shaped pin 31 firmly.
Described pen core fixed part 5 is such as Fig. 5, shown in Figure 6, its housing is rectangular tube, be provided with an outwardly D screwed hole 54 at this rectangular tube one side pipe wall center, B screw rod 55 with handles is installed on the D screwed hole 54, the side pipe wall outside corresponding with D screwed hole 54 is provided with a little inserting handle 57, this little inserting handle 57 is corresponding with the little jack 42 on the attaching parts 4, the outside of little inserting handle 57 is vertical plane from top to bottom, little inserting handle 57 inboards inwardly slightly are the inclined-plane from top to bottom, make little inserting handle 57 from omiting gradually attenuation down to lower its thickness, little inserting handle 57 plug positions are slightly thinner than other position of inserting handle, become closely reliable after making little inserting handle 57 and little jack 42 on the attaching parts 4 being connected.
The rectangular tube housing is built-in with clamping piece 51, this centre, clamping piece 51 outside be installed in the D screwed hole on 54 B screw rod 55 heads contact.Clamping piece 51 four corners positions are provided with four small sircle holes, are provided with D screwed hole 54 1 side pipe wall four corners positions and are provided with four small sircle holes, and these four small sircle holes are corresponding with four small sircle holes on the clamping piece 51; Be provided with little inserting handle 57 1 side pipe wall four corners positions and be provided with four small sircle holes, these four small sircle holes are also corresponding with four small sircle holes on the clamping piece 51.Clamping piece 51 inner faces and be provided with between the little inserting handle 57 1 side pipe wall inner faces four springs 52 are installed, passed respectively four small sircle holes that are provided with on D screwed hole 54 1 side pipe walls and clamping piece 51 four corners positions by four pivot pins 53, pass again spring 52 center profits and be provided with four small sircle holes on the little inserting handle 57 1 side pipe wall four corners positions, make clamping piece 51 and spring 52 obtain activity orientation.At clamping piece 51 inner faces be provided with little inserting handle 57 1 side pipe wall inner faces and be respectively equipped with one deck foam-rubber cushion 56, for the protection of pen cores such as pencils, make the pen core such as pencil not easily broken broken.
The little inserting handle 57 of pen core fixed part 5 is inserted in the little jack 42 of attaching parts 4, install screw also with this screw means at C screwed hole 45, make this screw head press closer little inserting handle 57 1 sides, thereby pen core fixed part 5 and attaching parts 4 are closely connected reliably.The pen cores such as pencil are inserted through in the rectangular tube housing, and after adjusting the pen core height, turn B screw rod 55 promotes clamping piece 51 by this screw head and moves ahead, until the pen cores such as pencil are fixed reliably, compasses are that the pen core such as available pencil is drawn.As changing pen core, B screw rod 55 can be unscrewed, under the effect of spring 52, clamping piece 51 is rebounded to be resetted, just the pen cores such as pencil can take out and change to other pen core in the rectangular tube housing.
Described sleeve pipe 6 is such as Fig. 7～shown in Figure 9, it is a kind of circular casing, be provided with a large inserting handle 69 in the sleeve pipe 6 tube walls outside, this large inserting handle 69 is corresponding with the large jack 41 on the attaching parts 4, the outside of large inserting handle 69 is vertical plane from top to bottom, large inserting handle 69 inboards inwardly slightly are the inclined-plane from top to bottom, make the from top to bottom gradually slightly attenuation of its thickness of large inserting handle 69, the plug position of large inserting handle 69 then can be slightly thinner than other position of inserting handle, becomes reliably tight after making large inserting handle 69 and large jack 41 on the attaching parts 4 being connected.
Be provided with an outwardly E screwed hole 64 at sleeve pipe 6 tube walls, this E screwed hole 64 is in the center between sleeve pipe 6 top and bottom, and the tube wall corresponding with the E screwed hole is provided with one screw special hole 68 is installed; C screw rod 65 with handles is installed on the E screwed hole 64, and these C screw rod 65 centers are provided with without penetrating screwed hole 66, this nothing penetrate screwed hole 66 can with screw 62 supporting engagements; Be built-in with arc connecting plate 61 at sleeve pipe 6, these connecting plate 61 centres are outwards concavo-convex, this concavo-convex position is corresponding with the E screwed hole 64 on sleeve pipe 6 tube walls, jog potential head section external diameter is less than the diameter of E screwed hole 64, jog potential head section can put in E screwed hole 64, concavo-convex position is provided with a screw hole 63, with without penetrate the supporting screw 62 of screwed hole (66) pass behind the screw hole 63 be installed in E screwed hole 64 on the nothing at C screw rod 65 centers penetrate screwed hole 66 and be connected; Passing installation screw special hole 68 with screwdriver is tightened on screw 62 without penetrating on the screwed hole 66, screw 62 was fixed on the C screw rod 65 firmly, connecting plate 61 and C screw rod 65 reliably are flexibly connected, and connecting plate 61 leaves minim gap with C screw rod 65 heads.After screw 62 screwed fully, its afterbody had been retracted within the recess at connecting plate 61 central protrusion positions, and namely screw 62 afterbodys can not protrude the inner surface of connecting plate 61, thereby can not affect connecting plate fixing pen.Coping screw 62 is slightly less than screw hole 63, so connecting plate 61 can not have influence on the rotation of screw 62, C screw rod 65, and the rotation by C screw rod 65 then can drive moving around of connecting plate 61.
Connecting plate 61 inner surface upper and lower parts and the sleeve pipe 6 tube walls inboard upper and lower part corresponding with connecting plate 61 inboards are respectively equipped with spongy layer 67, the damage that a tool is especially caused chalk etc. to reduce connecting plate 61 and pipe box 6 tube walls, in addition, chalk is to be cone shape cylinder pen, when being subjected to connecting plate 61 fixedly, chalk is stressed irregular, disconnected broken easily, spongy layer 67 has been arranged, chalk can obtain some bufferings when reinforcing is stressed, can make again stressed more balanced, chalk can be fixed more reliably, and reduce breaking rate.
Large inserting handle 69 on the sleeve pipe 6 is inserted in the large jack 41 of attaching parts 4, install screw also with this screw means at B screw hole 44, make this screw head press closer large inserting handle 69 1 sides, thereby sleeve pipe 6 and attaching parts 4 are closely connected reliably.The thin pens such as pencil are inserted through sleeve pipe 6, behind the height of adjusting the thin pen such as pencil, promote connecting plate 61 in the time of turn C screw rod 65 and move ahead, until this connecting plate 61 is fixed pen reliably, compasses are that the thin pen such as available pencil is drawn, as shown in figure 12.When laying down on the sleeve pipe 6 thin such as need, as long as unscrew C screw rod 65, connecting plate 61 is unclamped, thin pen can be taken out from sleeve pipe 6.With above-mentioned same method of operating, also the thick pen such as marking pen can be interted and is fixed in the sleeve pipe 6, compasses are that the thick pen such as available marking pen is drawn.Be a bit larger tham the thick pens such as marking pen because of sleeve pipe 6, so the stroke that 65 turns of C screw rod advance only needs the very short thick pens such as marking pen can being fixed; And sleeve pipe 6 is when inserting thin of pencils etc., and the 65 turn propelling strokes that will slightly grow of C screw rod can be fixed thin of pencil etc.
The thick pen or the thin pen that are installed in the pen core on the pen core fixed part 5 and are installed on the sleeve pipe 6 can be worked simultaneously; As shown in figure 13, fountain pen refill and marking pen can be drawn simultaneously, for some special drawing provide convenience.As long as fountain pen refill is drawn, need only the marking pen rising from paper; Otherwise, pen core is raise behind paper, marking pen can be drawn separately, as shown in figure 14.Pen core fixed part 4 is applicable to the multiple pen cores such as pencil, ball pen, water-color paintbrush, and transposing is convenient; Sleeve pipe 6 then is applicable to thin pen and the thick pen of the plurality of specifications such as wax crayon, chalk, writing brush, spread pen, pencil, ball pen, water-color paintbrush and marking pen, marker, watercolor pencil, and calls very convenient.When drawing, as adjusting the angle of pen core or pen, can unscrew A screw rod 32, rotate up and down the required angle that rotating handle 43 is adjusted pen core and pen, screw again A screw rod 32 after complete to get final product.
Such as Figure 10, shown in Figure 11, the present invention has the long handle of adding 11 in compasses handle 1 outer race, and handle 1 head is provided with outer silk screw thread, add long handle 11 heads be provided with the internal thread screw thread and with the supporting engagement of outer silk screw thread of handle 1 head; Namely be enclosed within handle 1 up when peripheral when adding long handle 11 heads, the two is reliably fixed by the screw thread of head, and people can operate compasses by adding long handle; When adding long handle 11 heads down and with after handle 1 head reliably is connected by screw thread, compasses handle 1 has just extended upward about 80% length.When the long pen such as writing brushes being installed when sleeve pipe 6 drawing, original compasses handle 1 gets up not too conveniently because of short operation too, and adds long handle 11 by connection, with original handle 1 prolong raise after, operating compasses will be more convenient.
Various simple change, the remodeling made by those of ordinary skills all would not depart from the scope of the present invention.
Claims (2)
1. a novel bow compass comprises handle (1), centre gauge leg (2), stitch (21), drawing gauge leg (3); Be provided with inverted U-shaped pin (31) in drawing gauge leg (3) bottom, at inverted U-shaped pin (31) attaching parts (4) be installed, be separately installed with pen core fixed part (5) and sleeve pipe (6) in attaching parts (4); One of them pin of described inverted U-shaped pin (31) is provided with a screwed hole (33), be provided with a screw hole (34) at another pin, and be furnished with the with handles screw rod (32) supporting with screwed hole (33) and screw hole (34), inverted U-shaped pin (31) bottom is circular arc; Be respectively equipped with a rectangular large jack (41) and a rectangular little jack (42) on the described attaching parts (4), these two jacks are adjacent; Be respectively equipped with outwardly screwed hole (44), (45) at large jack (41) one sidewalls and little jack (42) one sidewalls; Be provided with rotating handle (43) in attaching parts (4) one sides, the width of this rotating handle (43) is corresponding with the width of inverted U-shaped pin (31) groove; Be provided with screw hole (46) at this rotating handle (43), rotating handle (43) head is circular arc; It is characterized in that: its housing of described pen core fixed part (5) is rectangular tube, be provided with an outwardly screwed hole (54) at this rectangular tube one side pipe wall center, screw rod with handles (55) is installed on this screwed hole (54), the side pipe wall outside corresponding with screwed hole (54) is provided with a little inserting handle (57), the outside of this little inserting handle (57) is vertical plane from top to bottom, little inserting handle (57) inboard inwardly slightly is the inclined-plane from top to bottom, and this little inserting handle (57) is corresponding with the little jack (42) on the attaching parts (4); The rectangular tube housing is built-in with clamping piece (51), and centre, this clamping piece (51) outside contacts with screw rod (55) head on being installed in screwed hole (54); Clamping piece (51) four corners position is provided with four small sircle holes, be provided with screwed hole (54) one side pipe wall four corners positions and be provided with four small sircle holes, these four small sircle holes are corresponding with four small sircle holes on the clamping piece (51), be provided with little inserting handle (57) one side pipe wall four corners positions and be provided with four small sircle holes, these four small sircle holes are also corresponding with four small sircle holes on the clamping piece (51); Clamping piece (51) inner face and be provided with between little inserting handle (57) the one side pipe wall inner faces four springs (52) are installed, passed respectively four small sircle holes that are provided with on screwed hole (54) one side pipe walls and clamping piece (51) four corners position by four pivot pins (53), pass again four springs (52) center and four small sircle holes that are provided with on little inserting handle (57) the one side pipe wall four corners positions, make clamping piece (51) and spring (52) obtain activity orientation; At clamping piece (51) inner face be provided with little inserting handle (57) one side pipe wall inner faces and be respectively equipped with one deck foam-rubber cushion (56).
2. a kind of novel bow compass as claimed in claim 1, it is characterized in that: described sleeve pipe (6) is a kind of circular casing, be provided with a large inserting handle (69) in sleeve pipe (6) the tube wall outside, the outside of this large inserting handle (69) is vertical plane from top to bottom, and large inserting handle (69) inboard inwardly slightly is the inclined-plane from top to bottom; This large inserting handle (69) is corresponding with the large jack (41) on the attaching parts (4); Be provided with an outwardly screwed hole (64) at sleeve pipe (6) tube wall, this screwed hole (64) is in the center between the sleeve pipe top and bottom, and the tube wall corresponding with screwed hole (64) is provided with one screw special hole (68) is installed; Screw rod with handles (65) is installed on the screwed hole (64), and this screw rod (65) center is provided with without penetrating screwed hole (66), and this nothing penetrates screwed hole (66) and is furnished with screw (62); Sleeve pipe (6) is built-in with arc connecting plate (61), this connecting plate (61) centre is outwards concavo-convex, this concavo-convex position is corresponding with the screwed hole (64) on sleeve pipe (6) tube wall, jog potential head section external diameter is less than the diameter of screwed hole (64), concavo-convex position is provided with a screw hole (63), with without penetrate the supporting screw (62) of screwed hole (66) pass behind the screw hole (63) be installed in screwed hole (64) on the nothing at screw rod (65) center penetrate screwed hole (66) and be connected, make connecting plate (61) and screw rod (65) obtain being flexibly connected, connecting plate (61) leaves minim gap with screw rod (65) head; Connecting plate (61) inner surface upper and lower part and sleeve pipe (6) the tube wall inboard upper and lower part corresponding with connecting plate (61) inboard are respectively equipped with spongy layer (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053981 CN102529525B (en) | 2012-02-24 | 2012-02-24 | Compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053981 CN102529525B (en) | 2012-02-24 | 2012-02-24 | Compass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102529525A CN102529525A (en) | 2012-07-04 |
| CN102529525B true CN102529525B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210053981 Expired - Fee Related CN102529525B (en) | 2012-02-24 | 2012-02-24 | Compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102529525B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471870A (en) * | 2017-07-18 | 2017-12-15 | 黄娉 | A kind of graphometric square |
| CN109094259A (en) * | 2018-09-27 | 2018-12-28 | 台州学院 | A kind of auxiliary brush pen draws the tool of circle |
| CN110109330A (en) * | 2019-05-07 | 2019-08-09 | 广州奥盛电子科技有限公司 | A kind of going barrel core apparatus |
| CN114889360A (en) * | 2022-05-25 | 2022-08-12 | 宁波海雯文具有限公司 | Compasses |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3247044C1 (en) * | 1982-12-18 | 1984-03-29 | Intertech Zeichengeräte Günther Partes KG, 8531 Brunn | Compass for drawing very small circles - has pivoted fitting to receive lead on one side and pen on other side |
| EP0183629A1 (en) * | 1984-11-22 | 1986-06-04 | Manufacture D'articles De Precision Et De Dessin Maped | Device for the articulated attachment of tracing instruments and points to the legs of a compass, and drawing compass fitted with this device |
| RU2009893C1 (en) * | 1990-12-25 | 1994-03-30 | Акционерное общество открытого типа "АВИ.С" | Compasses |
| CN2538560Y (en) * | 2002-02-06 | 2003-03-05 | 惠州市新圩骏达文具制品厂 | Convenient compasses |
| ES2319495A1 (en) * | 2008-12-24 | 2009-05-07 | Pablo Fernando Serfati | Compas for multicolor drawing (Machine-translation by Google Translate, not legally binding) |
| CN101804758A (en) * | 2010-03-18 | 2010-08-18 | 杭州爱华文具有限公司 | Compasses |
| CN201566323U (en) * | 2009-11-06 | 2010-09-01 | 薛俊玉 | Multi-purpose compass |
| CN202448592U (en) * | 2012-02-24 | 2012-09-26 | 陈科 | Multifunctional compasses |
-
2012
- 2012-02-24 CN CN 201210053981 patent/CN102529525B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3247044C1 (en) * | 1982-12-18 | 1984-03-29 | Intertech Zeichengeräte Günther Partes KG, 8531 Brunn | Compass for drawing very small circles - has pivoted fitting to receive lead on one side and pen on other side |
| EP0183629A1 (en) * | 1984-11-22 | 1986-06-04 | Manufacture D'articles De Precision Et De Dessin Maped | Device for the articulated attachment of tracing instruments and points to the legs of a compass, and drawing compass fitted with this device |
| RU2009893C1 (en) * | 1990-12-25 | 1994-03-30 | Акционерное общество открытого типа "АВИ.С" | Compasses |
| CN2538560Y (en) * | 2002-02-06 | 2003-03-05 | 惠州市新圩骏达文具制品厂 | Convenient compasses |
| ES2319495A1 (en) * | 2008-12-24 | 2009-05-07 | Pablo Fernando Serfati | Compas for multicolor drawing (Machine-translation by Google Translate, not legally binding) |
| CN201566323U (en) * | 2009-11-06 | 2010-09-01 | 薛俊玉 | Multi-purpose compass |
| CN101804758A (en) * | 2010-03-18 | 2010-08-18 | 杭州爱华文具有限公司 | Compasses |
| CN202448592U (en) * | 2012-02-24 | 2012-09-26 | 陈科 | Multifunctional compasses |
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| Publication number | Publication date |
|---|---|
| CN102529525A (en) | 2012-07-04 |
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