CN103659785A - Vernier scribing compasses - Google Patents
Vernier scribing compasses Download PDFInfo
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- CN103659785A CN103659785A CN201310480332.XA CN201310480332A CN103659785A CN 103659785 A CN103659785 A CN 103659785A CN 201310480332 A CN201310480332 A CN 201310480332A CN 103659785 A CN103659785 A CN 103659785A
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- vernier
- groove
- main scale
- guide post
- scale body
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses vernier scribing compasses which comprise a main scale body. A center bearing tip foot is fixed at one end of the main scale body, a groove which is formed in the length direction of the main scale body is formed in the middle of the main scale body, and a roller which can rotate in the groove is arranged in the groove. A long-bar-shaped sliding hole is formed in the bottom of the groove, and a scribing bearing tip foot which can move relative to the sliding hole is arranged in the sliding hole. The roller comprises a left positioning plate, a right positioning plate and at least two guide bars which are arranged in parallel and are connected with the left positioning plate and the right positioning plate, and each guide bar is provided with a vernier which can be connected with the center bearing tip foot in a clamping mode. Each guide bar is provided with continuous threads, and each vernier and the corresponding guide bar are in threaded connection. The roller is provided with guide rails matched with the verniers, and each vernier and the corresponding guide rail are positioned through a fastening bolt. The vernier scribing compasses can record the used size position, so that precision is guaranteed.
Description
Technical field
The present invention relates to a kind of workpiece chalker, especially relate to a kind of vernier funcitonal scribe compasses.
Background technology
In mould design and manufacture enterprise, automobile production enterprise, hardware products manufacturing enterprise, the operation personnel such as technical staff, pincers worker, turner can use compasses instrument and draw round line, circular arc line etc.The compasses that use be in the prior art all be generally connected through the hinge, the supporting spur of two flare up certain angles, all be difficult in use directly obtaining needed size, need measure two distances between supporting spur by other instruments, then could draw round line, circular arc line.Yet it is generally not accurate that the size radius obtaining like this marks round line, circular arc line, produces larger error, also badly influences operating efficiency when can not meet figure paper size completely.
In order to promote the accuracy of funcitonal scribe compasses, technical staff adds scale or carries out combination with slide measure on compasses, as Chinese patent Granted publication number: CN201020183901.6, a kind of compasses are provided, comprise sucker, scale, vernier hold-down nut and vernier, described sucker is fixed on one end of scale, and described vernier is arranged on scale by vernier hold-down nut, on the center line of described scale label, be dead slot, the circular hole corresponding with described dead slot is set on described vernier.Yet; in actual use; usually can run into such situation: first measure the size A mapping of ruling; be transformed to afterwards size B; if while now needing again to use size A, need to re-move vernier and determine, operation is inconvenience comparatively; and now not the size A when initial is in full accord in fact for definite size, has error.
Summary of the invention
The present invention is in order to overcome scribed circle of the prior art comparatively inconvenience and the larger deficiency of error when same size switches back and forth, thereby provide a kind of, can record the vernier funcitonal scribe compasses that guarantees accuracy to used size positions.
To achieve these goals, the present invention is by the following technical solutions:
A kind of vernier funcitonal scribe compasses of the present invention, comprise main scale body, one end of main scale body is fixed with center of circle supporting spur, the middle part of main scale body is provided with the groove of arranging along the length direction of main scale body, in described groove, be provided with the cylinder that can rotate at groove, the bottom of groove is provided with the slide opening of strip, in slide opening, be provided with the line supporting spur that can move relative to slide opening, described cylinder comprises left positioning disk, right positioning disk and connection are left, at least two guide posts that are arranged in parallel of right positioning disk, on described guide post, be respectively provided with one and can support with the center of circle vernier of spur clamping, guide post is provided with continuous screw thread, described vernier and guide post are for being threaded, described cylinder is provided with the guide rail matching with vernier, described vernier and guide rail are located by fastening bolt.Guide post can rotate along with cylinder in groove, when guide post turns to below, the vernier on guide post and the clamping of line supporting spur, line supporting spur slides in the slide opening of bottom portion of groove, by vernier, determine first size, make like this precision be guaranteed.When needs carry out line when operation of next size, rotary drum, makes next guide post turn to below, the vernier on this guide post and the clamping of line supporting spur, thus can determine second size by moving cursor.Now, the vernier on a upper guide post is still positioned at the position of first size, when needs reuse first size, as long as rotate backward cylinder, this guide post is turned to below and makes its vernier and the clamping of line supporting spur.A plurality of guide posts can be set on cylinder and record a plurality of size positions, operating efficiency and dimensional accuracy are all improved greatly.
As preferably, described left positioning disk outer ring is provided with worm gear gear ring, is provided with the worm screw being meshed with worm gear gear ring in described groove, and one end of described worm screw connects and stretches out in main scale body and this end is provided with swing handle.By swing handle, utilize Worm Wheel System that cylinder is rotated, operate comparatively convenient and strength-saving.Utilize self-locking between worm and gear simultaneously, prevent the maloperation of hand and change the position of cylinder, guaranteed the positioning precision of vernier.
As preferably, described line supporting spur upper surface is provided with the draw-in groove of pressing recess width direction to arrange, the cross section of draw-in groove is curved, and described vernier is provided with the projection of circular arc towards the one side in cylinder outside.Cylinder is in rotation process, and when guide post turns to below, vernier projection can slide in draw-in groove, will rule to support spur and vernier is temporarily fixed.
As preferably, described guide post and left and right positioning disk are respectively matched in clearance, and the left end of described guide post is provided with the lock-bit nut with left positioning disk laminating, and the right-hand member of guide post is provided with rotary handle.When vernier is located with the clamping of line supporting spur, by rotating the rotary handle of guide post right-hand member, to accurately regulate the position of line supporting spur.Certainly, also can before line, first regulate each target position, guide post upstream, spur is supported in the line of only need sliding during use and vernier aligns and clamping, just can between each size, switch easily.
As preferably, described center of circle supporting spur comprises pin body and support handle, and described pin body and support handle are respectively equipped with position limiting convex ring, and described pin body and support handle are threaded fixing.
As preferably, in the middle part of described cylinder, be provided with rotating shaft, left end and the groove of described rotating shaft are fixed, and the right-hand member of described rotating shaft is fixed by support and main scale body.
Therefore, the present invention has following beneficial effect: (1) can carry out record to used size, increases work efficiency; (2) avoid the vernier problem of resetting back and forth, guarantee dimensional accuracy.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure, support handle 1, main scale body 2, left positioning disk 3, rotating shaft 4, right positioning disk 5, support 6, guide rail 7, guide post 8, rotary handle 8a, vernier 9, line supporting spur 10, slide opening 11, worm screw 12, swing handle 13, lock-bit nut 14, pin body 15.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
In embodiment as shown in Figure 1, a kind of vernier funcitonal scribe compasses, comprises main scale body 2 and cylinder, and main scale body one end is fixed with center of circle supporting spur, and main scale body middle part is provided with groove.Groove is arranged along the length direction of main scale body, the other end of groove perforation main scale body.The bottom of groove is provided with the slide opening 11 of strip, is provided with the line supporting spur 10 that can move relative to slide opening in slide opening.In the present embodiment, the sliding scale between line supporting spur and center of circle supporting spur is 35mm ~ 175mm.Center of circle supporting spur comprises pin body 15 and support handle 1, and pin body and support handle are respectively equipped with position limiting convex ring, and pin body and support handle are threaded fixing.
Cylinder is arranged in groove, and two guide posts that are arranged in parallel 8 that comprise left positioning disk 3, right positioning disk 5 and connect left and right positioning disk, are respectively the first guide post and the second guide post.Cylinder middle part is provided with rotating shaft 4, and left end and the groove of rotating shaft are fixed, and the right-hand member of rotating shaft is fixed by support 6 and main scale body, and cylinder just rotates in groove more like this.Guide post and left and right positioning disk are respectively matched in clearance, and the left end of guide post is provided with the lock-bit nut 14 with left positioning disk laminating, and the right-hand member of guide post is provided with rotary handle 8a, and guide post can rotate separately like this.On guide post, be respectively provided with one and can support the vernier 9 of spur clamping with the center of circle, guide post is provided with continuous screw thread, and vernier and guide post, for being threaded, can regulate slider position by rotating the rotary handle of right-hand member.Cylinder is provided with the guide rail 7 matching with vernier, and vernier and guide rail are located by fastening bolt.Line supporting spur upper surface is provided with the draw-in groove of pressing recess width direction to arrange, the cross section of draw-in groove is curved, and vernier is provided with the projection of circular arc towards the one side in cylinder outside.Left positioning disk outer ring is provided with worm gear gear ring, is provided with the worm screw 12 being meshed with worm gear gear ring in groove, and one end perforation of worm screw stretches out in main scale body and this end is provided with swing handle 13, can rotate by index drum like this by swing handle.
In addition, support handle and rotary handle are equipped with annular knurl, improve and the adhesive ability of pointing, and prevent from skidding.In the side of main scale body, be also provided with the peep hole of strip, to facilitate clamping situation and the slider position of determining vernier and line supporting spur.Center of circle supporting spur and line supporting point adopt high-speed alloy steel or high-strength steel to process, and surface, through Technology for Heating Processing, guarantees its integrality and durability.
During use, by rotation swing handle, make worm screw drive left positioning disk to rotate, thereby cylinder is rotated.When the first guide post turns to below, line supporting spur is moved it is alignd with the vernier on the first guide post, be rotated further the projection that can make on vernier and enter into draw-in groove, both complete clamping.Now by rotating the rotary handle of the first guide post right-hand member, adjust the position of its vernier to the size of needs, can vernier temporarily be fixed by fastening bolt.When needs carry out line when operation of next size, rotary drum, makes the second guide post turn to below, the vernier on this guide post and the clamping of line supporting spur, thus by the rotary handle of its right-hand member, come moving cursor to determine second size.Now, the vernier on the first guide post is still positioned at the position of first size, when needs reuse first size, as long as rotate backward cylinder, this guide post is turned to below and makes its vernier and the clamping of line supporting spur.In addition, in actual use, can also on first, second guide post, pre-set size, both use in switching, more for convenience.
Claims (6)
1. a vernier funcitonal scribe compasses, comprise main scale body (2), one end of main scale body (2) is fixed with center of circle supporting spur, it is characterized in that, the middle part of described main scale body (2) is provided with the groove of arranging along the length direction of main scale body (2), in described groove, be provided with the cylinder that can rotate at groove, the bottom of groove is provided with the slide opening (11) of strip, in slide opening (11), be provided with the line supporting spur (10) that can move relative to slide opening (11), described cylinder comprises left positioning disk (3), right positioning disk (5) and connection are left, at least two guide posts that are arranged in parallel (8) of right positioning disk (5), on described guide post (8), be respectively provided with one and can support with the center of circle vernier (9) of spur clamping, guide post (8) is provided with continuous screw thread, described vernier (9) and guide post (8) are for being threaded, described cylinder is provided with the guide rail (7) matching with vernier (9), described vernier (9) and guide rail (7) are located by fastening bolt.
2. vernier funcitonal scribe compasses according to claim 1, it is characterized in that, described left positioning disk (3) outer ring is provided with worm gear gear ring, in described groove, be provided with the worm screw (12) being meshed with worm gear gear ring, one end perforation of described worm screw (12) stretches out in main scale body (2) and this end is provided with swing handle (13).
3. vernier funcitonal scribe compasses according to claim 1, it is characterized in that, described line supporting spur (10) upper surface is provided with the draw-in groove of pressing recess width direction to arrange, the cross section of draw-in groove is curved, and described vernier (9) is provided with the projection of circular arc towards the one side in cylinder outside.
4. according to the vernier funcitonal scribe compasses described in claim 1 or 2 or 3, it is characterized in that, described guide post (8) is respectively matched in clearance with left and right positioning disk (5), the left end of described guide post (8) is provided with the lock-bit nut (14) with left positioning disk (3) laminating, and the right-hand member of guide post (8) is provided with rotary handle (8a).
5. according to the vernier funcitonal scribe compasses described in claim 1 or 2 or 3, it is characterized in that, described center of circle supporting spur comprises pin body (15) and support handle (1), described pin body (15) and support handle (1) are respectively equipped with position limiting convex ring, and described pin body (15) and support handle (1) are threaded fixing.
6. according to the vernier funcitonal scribe compasses described in claim 1 or 2 or 3, it is characterized in that, described cylinder middle part is provided with rotating shaft (4), and left end and the groove of described rotating shaft (4) are fixed, and the right-hand member of rotating shaft (4) is fixing by support (6) and main scale body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480332.XA CN103659785B (en) | 2013-10-15 | 2013-10-15 | Vernier funcitonal scribe compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480332.XA CN103659785B (en) | 2013-10-15 | 2013-10-15 | Vernier funcitonal scribe compasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659785A true CN103659785A (en) | 2014-03-26 |
| CN103659785B CN103659785B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480332.XA Expired - Fee Related CN103659785B (en) | 2013-10-15 | 2013-10-15 | Vernier funcitonal scribe compasses |
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| Country | Link |
|---|---|
| CN (1) | CN103659785B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051571U (en) * | 1988-11-17 | 1990-01-24 | 欧阳圣 | Compass with multileg |
| RU1812141C (en) * | 1990-09-21 | 1993-04-30 | А.А.Баранов и А.М.Осто ч | Compasses |
| RO110924B (en) * | 1994-04-18 | 1996-05-30 | Cichirdan Simion Petre Ramnicu | Compasses ruler |
| KR200312469Y1 (en) * | 2003-02-11 | 2003-05-12 | 박칠근 | Compasser for both circular arc cutter |
| CN201721205U (en) * | 2010-04-29 | 2011-01-26 | 松江区泗泾小学 | Compasses |
-
2013
- 2013-10-15 CN CN201310480332.XA patent/CN103659785B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051571U (en) * | 1988-11-17 | 1990-01-24 | 欧阳圣 | Compass with multileg |
| RU1812141C (en) * | 1990-09-21 | 1993-04-30 | А.А.Баранов и А.М.Осто ч | Compasses |
| RO110924B (en) * | 1994-04-18 | 1996-05-30 | Cichirdan Simion Petre Ramnicu | Compasses ruler |
| KR200312469Y1 (en) * | 2003-02-11 | 2003-05-12 | 박칠근 | Compasser for both circular arc cutter |
| CN201721205U (en) * | 2010-04-29 | 2011-01-26 | 松江区泗泾小学 | Compasses |
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| Publication number | Publication date |
|---|---|
| CN103659785B (en) | 2016-01-20 |
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Address after: 315800 Zhejiang city of Ningbo Province Economic and Technological Development Zone Xinqi street Mt. Hengshan Road No. 1528 Applicant after: Zhejiang Geely Automobile Co., Ltd. Applicant after: Zhejiang Jirun Automobile Co., Ltd. Applicant after: Zhejiang Geely Holding Group Co., Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Applicant before: Zhejiang Geely Holding Group Co., Ltd. Applicant before: Zhejiang Geely Automobile Co., Ltd. Applicant before: Zhejiang Jirun Automobile Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG GEELY AUTOMOBILE CO., LTD. ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD. TO: ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD. ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD. Free format text: CORRECT: ADDRESS; FROM: 310051 HANGZHOU, ZHEJIANG PROVINCE TO: 315800 NINGBO, ZHEJIANG PROVINCE Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD. TO: ZHEJIANG GEELY AUTOMOBILE CO., LTD. |
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Granted publication date: 20160120 Termination date: 20191015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |