CN209043138U - A kind of graduated scale - Google Patents

A kind of graduated scale Download PDF

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Publication number
CN209043138U
CN209043138U CN201920018578.8U CN201920018578U CN209043138U CN 209043138 U CN209043138 U CN 209043138U CN 201920018578 U CN201920018578 U CN 201920018578U CN 209043138 U CN209043138 U CN 209043138U
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CN
China
Prior art keywords
graduated scale
master calibration
calibration ruler
linking arm
enlarger
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
Application number
CN201920018578.8U
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Chinese (zh)
Inventor
高扬
白旭亚
赵微
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Normal University
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Daqing Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201920018578.8U priority Critical patent/CN209043138U/en
Application granted granted Critical
Publication of CN209043138U publication Critical patent/CN209043138U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of graduated scales, are related to mathematical tool field, comprising: master calibration ruler (1) and secondary graduated scale (2);The pair graduated scale (2) may be housed in the internal cavity of the master calibration ruler (1);There are enlarger (5) on the upside of the graduation mark of the master calibration ruler (1);The enlarger (5) is connect by regulating mechanism with the master calibration ruler (1);The enlarger (5) amplifies for the graduation mark to the master calibration ruler (1) and/or the secondary graduated scale (2);The regulating mechanism, for adjusting height and the position of the enlarger (5).Fixed with the graduated scale length before solving, if length is too long inconvenient student carry and graduated scale on graduation mark be master scale value, be usually inconvenient to observe, using overlong time, the problem of usually will cause visual fatigue.

Description

A kind of graduated scale
Technical field
The utility model relates to mathematical tool field, specifically a kind of graduated scale, especially a kind of stretchable and quarter Spend the graduated scale of amplification.
Background technique
Graduated scale is to make calibration by standard of length unit, measures the tool of object length, the scale division value of graduated scale Generally 1mm, student's range of general requirements are 10cm, 15cm, 20cm.It is the basic of Physical Experiment that graduated scale, which measures length, The basis that technical ability and other measuring instruments are correctly read.
But current graduated scale length is fixed, if length is too long inconvenient student carry and graduated scale on quarter Degree line is standard value, is usually inconvenient to observe, using overlong time, usually will cause visual fatigue.
Summary of the invention
In view of this, the present invention provides a kind of graduated scales, are convenient for carrying, and are fixed with the graduated scale length before solving, If length is too long inconvenient student carry and graduated scale on graduation mark be master scale value, be usually inconvenient to observe, make With overlong time, the problem of usually will cause visual fatigue.
The utility model provides a kind of graduated scale, comprising:
Master calibration ruler and secondary graduated scale;
The pair graduated scale may be housed in the cavity inside the master calibration ruler;
There is enlarger on the upside of the graduation mark of the master calibration ruler;
The enlarger is connect by regulating mechanism with the master calibration ruler;
The enlarger is amplified for the graduation mark to the master calibration ruler and/or the secondary graduated scale;
The regulating mechanism, for adjusting height and the position of the enlarger.
Preferably, the inside of the master calibration ruler has accommodating chamber, and one end of the accommodating chamber has opening, the secondary quarter It spends ruler and the accommodating chamber is entered by the opening,
Wherein, the height of the secondary graduated scale is less than the height of the accommodating chamber.
Preferably, the master calibration ruler has U-lag, side direction of the opening of the U-lag in the secondary graduated scale, institute The cell wall for stating U-lag is hinged by connecting shaft and one end of the secondary graduated scale;
The pair graduated scale can be rotated into the U-lag along the connecting shaft;
Wherein, the length of the secondary graduated scale is less than the length of the U-lag.
Preferably, the enlarger has groove, has convex lens in the groove;
The convex lens is amplified for the graduation mark to the master calibration ruler and/or the secondary graduated scale.
Preferably, the both ends of the convex lens are fixed by screws in respectively in the groove.
Preferably, the regulating mechanism, comprising: the first linking arm and the second linking arm;
One end of first linking arm and one end of the second linking arm are hinged by first axle, first linking arm The other end is hinged by the second axis and the master calibration ruler, the other end of second linking arm and the downside of the enlarger It is fixedly connected.
The utility model has the following beneficial effects:
The utility model provides a kind of graduated scale, is fixed with the graduated scale length before solving, inconvenient if length is too long Graduation mark in student's carrying and graduated scale is master scale value, is usually inconvenient to observe, using overlong time, usually can The problem of causing visual fatigue.
Detailed description of the invention
By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage it is apparent, in the accompanying drawings:
Fig. 1 is that a kind of graduated scale of the utility model embodiment shows that structure is intended to;
Fig. 2 is another graduated scale structural schematic diagram of the utility model embodiment;
Fig. 3 is the master calibration ruler of the utility model embodiment and the connection schematic diagram of secondary graduated scale;
Fig. 4 is the structural schematic diagram of the enlarger of the utility model embodiment Fig. 1 or Fig. 2;
Fig. 5 is the first linking arm cross-sectional view of the utility model embodiment Fig. 1 or Fig. 2;
Fig. 6 is the second linking arm cross-sectional view of the utility model embodiment Fig. 1 or Fig. 2.
Specific embodiment
The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So And for the part of no detailed description, the utility model can also be understood completely in those skilled in the art.
In addition, it should be understood by one skilled in the art that provided attached drawing is simply to illustrate that the utility model Objects, features and advantages, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning;That is, being " including but not limited to " Meaning.
Fig. 1 is that a kind of graduated scale of the utility model embodiment shows that structure is intended to.As shown in Figure 1, a kind of graduated scale, packet It includes: master calibration ruler 1 and secondary graduated scale 2;Secondary graduated scale 2 may be housed in the cavity inside master calibration ruler 1;The quarter of master calibration ruler 1 Spending has enlarger 5 on the upside of line;Enlarger 5 is connect by regulating mechanism with master calibration ruler 1;Enlarger 5, for master The graduation mark of graduated scale 1 and/or secondary graduated scale 2 amplifies;Regulating mechanism, for adjusting height and the position of enlarger 5. Fixed with the graduated scale length before solving, if length is too long inconvenient student carry and graduated scale on graduation mark be mark Quasi- scale value is usually inconvenient to observe, using overlong time, the problem of usually will cause visual fatigue.
In Fig. 1, the inside of master calibration ruler 1 has accommodating chamber 1-1, and one end of accommodating chamber 1-1 has opening, secondary graduated scale 2 enter accommodating chamber 1-1 by opening, wherein the height of secondary graduated scale 2 is less than the height of accommodating chamber 1-1, to facilitate secondary graduated scale 2 are contained in the accommodating chamber 1-1 of master calibration ruler 1, are convenient for carrying the use of the new type.
Fig. 2 is another graduated scale structural schematic diagram of the utility model embodiment.As shown in Fig. 2, another graduated scale, It include: master calibration ruler 1 and secondary graduated scale 2;Secondary graduated scale 2 may be housed in the cavity inside master calibration ruler 1;Master calibration ruler 1 There is enlarger 5 on the upside of graduation mark;Enlarger 5 is connect by regulating mechanism with master calibration ruler 1;Enlarger 5, for pair The graduation mark of master calibration ruler 1 and/or secondary graduated scale 2 amplifies;Regulating mechanism, for adjusting height and the position of enlarger 5 It sets.Master calibration ruler 1 has a U-lag 1-2, and in the side direction of secondary graduated scale 2, the cell wall of U-lag 1-2 passes through for the opening of U-lag 1-2 Connecting shaft 1-3 and one end of secondary graduated scale 2 are hinged;Secondary graduated scale 2 can be rotated into U-lag 1-2 along connecting shaft 1-3;Wherein, The length of secondary graduated scale 2 is less than the length of U-lag 1-2, to facilitate secondary graduated scale 2 to be contained in the U-lag 1-2 of master calibration ruler 1, It is convenient for carrying the use of the new type.
In fig. 1 and 2, regulating mechanism, comprising: the first linking arm 3 and the second linking arm 4;One end of first linking arm 3 Hinged by first axle 4-1 with one end of the second linking arm 4, the other end of the first linking arm 3 passes through the second axis 3-1 and master calibration Ruler 1 is hinged, and the other end of the second linking arm 4 is fixedly connected with the downside of enlarger 5 (can use the Nian Jie side of being fixedly connected Formula).The upside of master calibration ruler 1 has engaging lug, has connection through-hole on engaging lug, and the second axis 3-1 passes through the company on engaging lug Hole connects the first linking arm 3 and master calibration ruler 1 all.
Fig. 3 is the master calibration ruler of the utility model embodiment and the connection schematic diagram of secondary graduated scale.As shown in figure 3, main quarter Spending ruler 1 and secondary graduated scale 2 all has scale, when the length of master calibration ruler 1 is not capable of measuring object under test or cannot draw ratio When 1 high scale longer length of master calibration ruler (especially in Graphing of Engineering or engineering survey), then using secondary graduated scale 2 The scale of master calibration ruler 1 continues to measure, the work completing one-shot measurement or once drawing.
Fig. 4 is the structural schematic diagram of the enlarger of the utility model embodiment Fig. 1 or Fig. 2.As shown in figure 4, enlarger Structure 5 has groove 5-1, has convex lens in groove 5-1;Convex lens, for the scale to master calibration ruler 1 and/or secondary graduated scale 2 Line amplifies.The both ends of convex lens pass through screw 5-3 respectively and are fixed in groove 5-1.
Fig. 5 is the first linking arm cross-sectional view of the utility model embodiment Fig. 1 or Fig. 2;Fig. 6 is the utility model embodiment The second linking arm cross-sectional view of Fig. 1 or Fig. 2.As it can be seen in figures 5 and 6, the two sides of the first linking arm 3 are respectively provided with the first linking arm The inside of the second axis connection hole 3-3 of first axle connecting hole 3-2 and the first linking arm, the first linking arm 3 have the second linking arm Holding tank 3-4, one end of the second linking arm 4 have the first axle connecting hole 4-2 of the second linking arm, and the second linking arm 4 can accommodate In the second linking arm holding tank 3-4 of the inside of the first linking arm 3.When assembly, the second linking arm 4 is placed in the first linking arm In second linking arm holding tank 3-4 of 3 inside, the first of the first axle connecting hole 4-2 of the second linking arm and the first linking arm Axis connection hole 3-2 alignment, first axle 4-1 pass through the first axle connecting hole 4-2 of the second linking arm and the first axle of the first linking arm After connecting hole 3-2, the end of first axle 4-1 is passed through using pin, prevents first axle 4-1 from first axle connecting hole 4-2 and first It falls off in the first axle connecting hole 3-2 of linking arm.The engaging lug of 1 upside of master calibration ruler is placed in the second linking arm holding tank 3-4, Connection through-hole on engaging lug is aligned with the second axis connection hole 3-3 of the first linking arm, and the second axis 3-1 passes through the company on engaging lug Hole connects the first linking arm 3 and master calibration ruler 1 with the second axis connection hole 3-3 of the first linking arm all.
In the use of the new type, one end of 365 end of the first linking arm and the second linking arm 4 is hinged by first axle 4-1, the The other end of one linking arm 3 is hinged by the second axis 3-1 and master calibration ruler 1, the other end and enlarger 5 of the second linking arm 4 Downside be fixedly connected.It is adjustable to put since the first linking arm 3 is hinged with the second linking arm 4 and master calibration ruler 1 respectively The height of great institutions 5 and position.
In the use of the new type, in order to avoid the first linking arm 3 and the second linking arm 4 block master calibration ruler 1 and/or secondary quarter Spend the graduation mark of ruler 2, the plastic material of 4 preferably clear of the first linking arm 3 and the second linking arm, that is to say, that preferably connect arm 3 With the second linking arm 4 at 0 scale end of master calibration ruler 1.
Embodiment described above is only to express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that the ordinary skill people of this field For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (6)

1. a kind of graduated scale characterized by comprising
Master calibration ruler (1) and secondary graduated scale (2);
The pair graduated scale (2) may be housed in the internal cavity of the master calibration ruler (1);
There are enlarger (5) on the upside of the graduation mark of the master calibration ruler (1);
The enlarger (5) is connect by regulating mechanism with the master calibration ruler (1);
The enlarger (5) is put for the graduation mark to the master calibration ruler (1) and/or the secondary graduated scale (2) Greatly;
The regulating mechanism, for adjusting height and the position of the enlarger (5).
2. a kind of graduated scale according to claim 1, it is characterised in that:
The inside of the master calibration ruler (1) has accommodating chamber (1-1), and one end of the accommodating chamber (1-1) has opening, the pair Graduated scale (2) enters the accommodating chamber (1-1) by the opening,
Wherein, the height of the secondary graduated scale (2) is less than the height of the accommodating chamber (1-1).
3. a kind of graduated scale according to claim 1, it is characterised in that:
The master calibration ruler (1) has U-lag (1-2), and the opening of the U-lag (1-2) is in the side of the secondary graduated scale (2) To the cell wall of the U-lag (1-2) is hinged by connecting shaft (1-3) and one end of the secondary graduated scale (2);
The pair graduated scale (2) can be rotated into the U-lag (1-2) along the connecting shaft (1-3);
Wherein, the length of the secondary graduated scale (2) is less than the length of the U-lag (1-2).
4. a kind of graduated scale according to claim 1, it is characterised in that:
The enlarger (5) has groove (5-1), has convex lens in the groove (5-1);
The convex lens is amplified for the graduation mark to the master calibration ruler (1) and/or the secondary graduated scale (2).
5. a kind of graduated scale according to claim 4, it is characterised in that:
The both ends of the convex lens pass through screw (5-3) respectively and are fixed in the groove (5-1).
6. any one of -5 a kind of graduated scale according to claim 1, it is characterised in that:
The regulating mechanism, comprising: the first linking arm (3) and the second linking arm (4);
One end of first linking arm (3) and one end of the second linking arm (4) pass through first axle (4-1) hingedly, and described first The other end of linking arm (3) by the second axis (3-1) and the master calibration ruler (1) hingedly, second linking arm (4) it is another It holds and is fixedly connected on the downside of the enlarger (5).
CN201920018578.8U 2019-01-06 2019-01-06 A kind of graduated scale Expired - Fee Related CN209043138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920018578.8U CN209043138U (en) 2019-01-06 2019-01-06 A kind of graduated scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920018578.8U CN209043138U (en) 2019-01-06 2019-01-06 A kind of graduated scale

Publications (1)

Publication Number Publication Date
CN209043138U true CN209043138U (en) 2019-06-28

Family

ID=67045154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920018578.8U Expired - Fee Related CN209043138U (en) 2019-01-06 2019-01-06 A kind of graduated scale

Country Status (1)

Country Link
CN (1) CN209043138U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190628

Termination date: 20220106