CN2224395Y - Multi-function slide caliper rule - Google Patents
Multi-function slide caliper rule Download PDFInfo
- Publication number
- CN2224395Y CN2224395Y CN 95203946 CN95203946U CN2224395Y CN 2224395 Y CN2224395 Y CN 2224395Y CN 95203946 CN95203946 CN 95203946 CN 95203946 U CN95203946 U CN 95203946U CN 2224395 Y CN2224395 Y CN 2224395Y
- Authority
- CN
- China
- Prior art keywords
- diameter
- scale
- vernier
- circle
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a multi-function slide caliper ruler. A ruler foot with limited height and a large diameter is respectively arranged on a ruler body and a vernier; the upper ruler body surface of the ruler body is provided with large- diameter scale according to the relation of the chord length of a bow shape, the height of the bow shape and the diameter of a circle, and base mark scale is arranged on the vernier. The utility model can read out the diameter size of the circle through the measurement of the circular arc of the external circle. The utility model has the advantages of novel structure, enlarged measuring range and convenient use. Thus, the utility model is a novel measuring tool.
Description
The utility model relates to a kind of as the measurer of measuring diameter dimension, be particularly a kind of can be by the measurement of diameter or cylindrical circular arc directly being read the multi-functional vernier caliper of diameter of a circle size.
Existing vernier caliper mainly is made up of chi body and vernier, all is shaped on the chi pin respectively and measures scale on chi body and vernier.The common calliper of Chu Shouing is exactly this structure in the market.It is to make vernier scale pin and the direct card of chi body chi pin measure its diameter dimension by the outside diameter of measured object by the vernier that slip cap is loaded on the chi body.Though existing vernier caliper has plurality of specifications, has two problems in actual use: the one, to the circle of radius, when the chi pin can't measure diameter, then can not measure diameter dimension above chi pin height; The 2nd, the scope of measuring diameter dimension is limited within the blade length, and in order to measure than major diameter, the blade size is long, uses very inconvenient again.
The purpose of the utility model provides a kind of improved vernier caliper, makes it enlarge use, measurement range, and it is convenient to use.
For achieving the above object, the solution that the utility model adopts is: on the chi body of vernier caliper, both had existing slide calliper rule and directly measured the scale of diameter, increased the major diameter scale of having made according to arc chord length, sagitta and diameter of a circle triadic relation setting that arc measuring goes out diameter dimension that passes through again.The scale principle of major diameter scale is according to the size by arc chord length, sagitta, can calculate this theory of diameter of a circle size.The statement that current great mass of data is direct or indirect multiple computing method and relevant formula.For determining the major diameter scale,, be reduced to following formula through contrast, checking:
Wherein: L---arc chord length
D---diameter of a circle
H---sagitta
In this multi-functional vernier caliper, the chi pin height of chi body and vernier promptly is sagitta H, calculate the corresponding numerical value of a series of L and D according to above-mentioned formula, L promptly directly measures the scale of diameter for the scale of existing slide calliper rule, and being engraved in the D value on the chi body blade corresponding to L promptly is the major diameter scale that draws by the measurement circular arc.Make the utility model both can possess existing slide calliper rule simultaneously and directly measure the scale of diameter dimension and the major diameter scale that draws by the measurement circular arc; The major diameter scale that only possesses the diameter dimension that can record that also can be simple by the measurement circular arc.
Because the utility model increases to have made on the chi body and can pass through the measurement of circular arc to foreign round, read the major diameter scale of diameter of a circle size, therefore can realize to slide calliper rule chi pin can't directly measure diameter, the circle breakage or cover above half, diameter is greater than the circle of blade length, carries out the diameter dimension measurement.The utility model is used for differentiating stacking object plurality of specifications diameter, bigger circle is carried out diameter dimension measures and all brings convenience, its novel structure, and existing same specification slide calliper rule have enlarged measurement range, and are easy to use, are a kind of novel measurer.
Be described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the front view according to a kind of multi-functional vernier caliper that the utility model proposes.
As shown in Figure 1, the utility model is made up of chi body (F) and vernier (E), be shaped on respectively in chi body (F) and trip (E) is the promptly existing slide calliper rule chi pin of the chi pin of direct card amount diameter dimension for the top chi pin (A) of deciding high H for major diameter chi pin and bottom chi pin (B) by the arc measuring diameter dimension highly, and on the ruler body surface of chi body (F), be shaped on high scale (D) respectively for according to the bowstring chord length, sagitta, the major diameter scale that pass through the arc measuring diameter dimension that the diameter of a circle triadic relation is provided with and directly measure the promptly existing slide calliper rule scale of bottom scale (d) of diameter dimension also is shaped on the bottom scale (d) that the top major diameter scale (D) of the corresponding chi body in top disjunction mark scale (D ') (F) and bottom disjunction mark scale (d ') promptly have the disjunction mark scale correspondence chi body (F) of slide calliper rule now respectively on vernier (E).
The embodiment that accompanying drawing 1 provides is that top major diameter chi pin (A) chi pin height H is 4cm, and directly card amount diameter dimension is 30cm to the maximum, is a kind of multi-functional vernier caliper of 60cm to the maximum by the arc measuring diameter dimension.
Use these slide calliper rule,, just can read diameter dimension from bottom scale (d) if two chi pin can block diameter of a circle; If the blade of two top chi pin (A) and chi body (F) abuts against on the cylindrical circular arc, just can read the diameter of a circle size from top major diameter scale (D).
Claims (1)
1, a kind of multi-functional vernier caliper, form by chi body and vernier, it is characterized in that being shaped on respectively on the chi body (F) of these slide calliper rule and the vernier (E) highly major diameter chi pin (A) for fixed high H, and on the ruler body surface of chi body (F), be shaped on the major diameter scale (D) that passes through the arc measuring diameter dimension that is provided with according to arc chord length, sagitta and diameter of a circle triadic relation, also on vernier (E), be shaped on the disjunction mark scale (D ') of corresponding major diameter scale (D).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95203946 CN2224395Y (en) | 1995-03-06 | 1995-03-06 | Multi-function slide caliper rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95203946 CN2224395Y (en) | 1995-03-06 | 1995-03-06 | Multi-function slide caliper rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2224395Y true CN2224395Y (en) | 1996-04-10 |
Family
ID=33856601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95203946 Expired - Fee Related CN2224395Y (en) | 1995-03-06 | 1995-03-06 | Multi-function slide caliper rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2224395Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005090899A1 (en) * | 2004-03-19 | 2005-09-29 | Jiazheng Liang | Multifunction vernier caliper and the using method thereof |
-
1995
- 1995-03-06 CN CN 95203946 patent/CN2224395Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005090899A1 (en) * | 2004-03-19 | 2005-09-29 | Jiazheng Liang | Multifunction vernier caliper and the using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |