CN219523508U - Multipurpose scale - Google Patents

Multipurpose scale Download PDF

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Publication number
CN219523508U
CN219523508U CN202320543573.3U CN202320543573U CN219523508U CN 219523508 U CN219523508 U CN 219523508U CN 202320543573 U CN202320543573 U CN 202320543573U CN 219523508 U CN219523508 U CN 219523508U
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China
Prior art keywords
ruler
scale
circular
measuring
multipurpose
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CN202320543573.3U
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Chinese (zh)
Inventor
张飞儒
师孟悦
李龙
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Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
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Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
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Abstract

The utility model discloses a multipurpose scale, comprising: the circular ruler disc, the first ruler and the second ruler; the circular ruler disc is carved with angle scales; the first straight ruler is connected to the center of the circle of the circular ruler disc through a rotating shaft; the second ruler is fixedly connected to the circle center; the first ruler and the second ruler are arranged below the circular ruler disc; the scale on the first ruler is different from the scale on the second ruler. The ruler integrates the proportional ruler, the straight ruler and the angle ruler, a user can realize the conventional mapping function by only carrying one ruler, the ruler is convenient to carry, and meanwhile, errors generated by overlapping and using a plurality of rulers are reduced; meanwhile, by arranging the measuring circuit, the circular capacitive grating sensor, the capacitive grating sensor and the screen display, automatic reading can be realized, and the manual workload and errors of manual reading are reduced.

Description

Multipurpose scale
Technical Field
The utility model relates to a drawing instrument, in particular to a multipurpose scale.
Background
In engineering survey, engineering personnel usually need to determine geometric parameters such as aspect ratio, angle and the like by means of a ruler. The scale and the protractor are necessary tools for engineering personnel, the scale can measure and draw the actual size according to the set proportion on a drawing, and convenience is provided for engineering survey design; the protractor can realize the drawing and measurement of angles.
At present, in the actual drawing process, the main drawing mode of engineering personnel adopts ruler cooperation such as scale, angle ruler to survey.
However, the prior art requires frequent replacement of the measurement tools during survey design and, at the same time, error accumulation is easily caused during the mating of multiple scales, affecting the measurement results.
Disclosure of Invention
In order to solve the problems, the utility model discloses a multipurpose scale.
The utility model discloses a multipurpose scale, comprising: the circular ruler disc, the first ruler and the second ruler;
the circular ruler disc is carved with angle scales;
the first straight ruler is connected to the circle center of the circular ruler disc through a rotating shaft;
the second ruler is fixedly connected to the circle center;
the first ruler and the second ruler are arranged below the circular ruler disc;
the scale on the first ruler is different from the scale on the second ruler.
Preferably, the multipurpose scale further comprises:
the circular capacitive grating sensor, the measuring circuit and the screen display are electrically connected in sequence;
the movable grid of the circular capacitance grid sensor is connected with the rotating shaft;
the fixed grating of the circular capacitive grating sensor is connected with the second ruler;
the measuring circuit is arranged on the back of the circular ruler disc;
the screen display is arranged on the front surface of the circular ruler disc;
the screen display is provided with a digital display area for displaying angles, proportional relations and lengths.
Preferably, the multipurpose scale further comprises: the measuring jaw is provided with a measuring cavity,
the measuring claws are symmetrically arranged on the first ruler and the second ruler;
the measuring jaw is slidable along the extension direction of the first and second straightedge for alignment with a measurement target.
Preferably, the multipurpose scale further comprises: a capacitive grating sensor connected with the measuring circuit;
the capacitive grating sensor comprises two capacitive grating sensor fixed gratings and one capacitive grating sensor movable grating;
the two capacitance grid sensors are fixed on the upper first ruler and the upper second ruler respectively;
the grid sensor movable grid is fixed on the measuring claw.
Preferably, the multipurpose scale further comprises an arithmetic unit and a plurality of rotary driving plates;
the capacitive grating sensor and the arithmetic unit are sequentially and electrically connected with the rotary driving plates;
the arithmetic unit and the plurality of rotary dials are arranged on the circular scale disk;
the plurality of rotary dials includes a unit dial, a molecular dial, and a denominator dial;
the arithmetic unit is used for calculating corresponding length data according to the shifting gear of the rotary dial.
Optionally, the scale on the first ruler is metric scale;
the scale on the second ruler is an English scale.
Optionally, the multipurpose scale further comprises: a ruler groove;
the ruler grooves are respectively arranged on the ruler bodies of the first ruler and the second ruler;
the measuring jaw is in buckle connection with the ruler groove,
the part of the measuring claw, which is buckled in the ruler groove, is inverted T-shaped;
the measuring jaw slides along the rule groove.
Optionally, the multipurpose scale further comprises: two sliding wheels;
the two sliding wheels are respectively arranged on the back surface of the measuring jaw;
the two sliding wheels respectively drive the measuring jaw to slide along the ruler bodies of the first ruler and the second ruler.
Optionally, the multipurpose scale further comprises a rubber sealing ring;
the rubber sealing ring is arranged at the joint of the first ruler, the second ruler and the circular ruler disk.
Optionally, the blade materials of the first ruler and the second ruler are any one of metal aluminum alloy, metal steel alloy or carbon fiber.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The ruler integrates the proportional ruler, the straight ruler and the angle ruler, a user can realize the conventional mapping function by only carrying one ruler, the ruler is convenient to carry, and meanwhile, errors generated by overlapping and using a plurality of rulers are reduced;
(2) According to the utility model, by arranging the measuring circuit, the circular capacitance grating sensor, the capacitance grating sensor and the screen display, automatic reading can be realized, and the manual workload and the error of manual reading are reduced;
(3) According to the utility model, by arranging the rotary driving plate, a user can set different proportions and international unit systems, so that the utility model is applicable to more scenes;
(4) The utility model is provided with the measuring claw, the ruler groove and the sliding wheel, and when the utility model is used for measuring a real object, the alignment is more accurate, and the workload and the error of manual alignment are reduced.
Drawings
FIG. 1 is a front view of the multipurpose scale of the present utility model;
FIG. 2 is a front view of a multi-purpose scale in accordance with one embodiment of the present utility model;
FIG. 3 is a rear view of the multipurpose scale of the present utility model;
FIG. 4 is a rear view of a multi-purpose scale in one embodiment of the utility model;
FIG. 5 is a block diagram of a multi-purpose scale measuring jaw and a pulley in one embodiment of the utility model;
FIG. 6 is a block diagram of the measuring pawl and slide wheel on the second ruler side in one embodiment of the present utility model;
fig. 7 is an enlarged view of the circular scale.
In the figure, 1 is a circular scale disc; 2 is a screen display; 3 is a key; 4 is a positioning block; 5 is a rotary dial; 6 is a measuring jaw; 7 is a first ruler; 8 is a ruler groove; 9 is a second ruler; 10 is a sliding wheel; 11 is the C-shaped part of the second ruler; 12 is the inverted T-shaped portion of the measuring jaw.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.
As shown in fig. 1, the disclosed multipurpose scale comprises: a circular ruler disk 1, a first ruler 7 and a second ruler 9; the circular ruler disk 1 is carved with angle scales; in one embodiment, the circular scale disc 1 is located in the front half of the present utility model, being one of the main housing and carrying structure of the present utility model; the ruler surface is marked with basic angle degrees of 0 degree, 90 degree, 180 degree and 360 degree, and basic reference use is provided for a user.
The first straight ruler 7 is connected to the center of the circle of the circular ruler disk 1 through a rotating shaft;
the second ruler 9 is fixedly connected to the circle center;
the first ruler 7 and the second ruler 9 are arranged below the circular ruler disk 1;
the scale on the first ruler 7 and the second ruler 9 are different.
The scale on the first straight scale 7 is metric scale;
the scale on the second ruler 9 is an english scale.
The utility model adopts the design of two straight scales, one is used for measuring the proportion under metric system, and the other is used for measuring the proportion under English system, so that the distinction is simple and the confusion is not easy.
The utility model integrates the functions of the proportional scale, the angle scale and the straight scale, and rapidly improves the accuracy of measuring and calculating under three use scenes.
Preferably, as shown in fig. 2 and 3, the multipurpose scale of the present utility model further includes:
the circular capacitive grating sensor, the measuring circuit and the screen display 2 are electrically connected in sequence;
the movable grid of the circular capacitance grid sensor is connected with the rotating shaft;
the fixed grating of the circular capacitance grating sensor is connected with a second ruler 9;
the measuring circuit is arranged on the back of the circular ruler disk 1;
the screen display 2 is arranged on the front surface of the circular ruler disk 1;
as shown in fig. 7, the screen 2 is provided with a digital display area for displaying angles, proportional relationships, and lengths.
Preferably, the model of the circular capacitive grating sensor is RAE075-1100 or RAE125-1100;
preferably, the proportional relationship comprises a numerator (the value before the colon) and a denominator (the value after the colon). The numerator can be 1-1000, the denominator can be 1-100 ten thousand, and the numerator can be set and selected according to the required proportion relation.
In one embodiment, the digital display area of length includes a distance on the drawing and an actual (true) distance, the distance on the drawing being at a scale of 1:1, and the accuracy is improved to 0.01mm (metric system) or 0.01in (English system) based on the capacitance grid technology.
The actual (real) distance is the final value obtained after scaling; where the units of the numerical values are km (metric) or mile (imperial).
The angle is based on the opening and closing angle of the two straight rulers, and the measuring angle range is 0-360 degrees. The angle can be measured directly; after the two straight rulers are opened, the angle is displayed on a display; the user can measure and draw angles (lines) through the inner side and the outer side of the ruler according to the needs.
Optionally, the multipurpose scale of the present utility model further comprises: the measuring jaw (6) is provided with a measuring cavity,
the measuring jaw 6 is symmetrically arranged on the first ruler 7 and the second ruler 9;
the measuring jaw 6 is slidable in the extension direction of the first and second straightedge 7, 9 for alignment with a measurement target.
In one embodiment, one measuring jaw 6 is provided on each of the first ruler 7 and the second ruler 9.
In other embodiments, a laser emitter may be disposed within the measuring jaw 6 to assist in aligning the measuring jaw 6 with the object under test.
Preferably, the multipurpose scale of the present utility model further comprises: a capacitive grating sensor connected with the measuring circuit;
the capacitive grating sensor comprises two capacitive grating sensor fixed gratings and one capacitive grating sensor movable grating;
the two grid-holding sensors are fixed on the upper first ruler 7 and the second ruler 9 respectively;
the capacitive grating sensor moving grating is fixed on the measuring jaw 6.
Preferably, the capacitive grating sensor is of the type TM-003A.
The manual reading adopted by the existing scale is not high in accuracy, and particularly when some non-integral multiple ratios are converted in work, a certain skilled calculation skill is needed to quickly and accurately obtain converted result values, so that the operation is not easy. Based on the capacitive grating sensor technology, the utility model calculates the result value through the measuring circuit on the basis of electronic reading, and the result value is fast, accurate and presented on a display, and is visual and convenient to read.
In one embodiment, as shown in fig. 2, the multipurpose scale of the present utility model further comprises an operator and a plurality of rotary dials 5;
the capacitive grating sensor and the arithmetic unit are sequentially and electrically connected with a plurality of rotary driving plates 5;
an operator and a plurality of rotary dials 5 are provided on the circular scale disk 1;
the plurality of rotary dials 5 includes a unit-made dial, a molecular dial, and a denominator dial;
the calculator is used for calculating corresponding length data according to the toggle gear of the rotary dial 5.
The model of the arithmetic unit used in the utility model is Am2901, and the calculation principle is the same as that of a common scientific calculator.
The proportion of the traditional proportion scale is directly printed on the ruler body and is fixed, and the required proportion cannot be selected randomly and freely. The utility model drives the induction coil arranged on the lower surface of the rotary driving plate 5 to rotate through the rotation of the rotary driving plate, and the selected proportion numerical value is respectively transmitted to the arithmetic unit and the display in the form of electric signals through the internal linear sensor.
The numerator and denominator in the proportion can be arbitrarily and freely selected and adjusted according to the requirement, and are not limited to the fixed proportion relation of the existing proportion scale.
The utility model also comprises a key 3, wherein the key 3 is positioned at the left lower part of the display, has the functions of on-off (long-time on/off) and return to zero (the numerical values on the short-time display are all return to zero), and is provided with three driving plates which are arranged in the middle part of the right side of the key 3 and are respectively a unit driving plate, a molecule driving plate and a denominator driving plate from left to right; all are fixed through respective center bearings, have 360 rotatory functions, the drive plate lower surface is provided with induction coil and is connected with inside arithmetic unit electricity, and the basis data of proportion calculation is conducted in the form of electric signal to feed back to the display after calculating through the arithmetic unit.
When the unit system dial is rotated, the utility model can switch the metric system/English system of the unit system to freely select. When metric system is selected, the units of the 'distance on the drawing' and the 'actual distance' on the display are displayed as metric systems (mm and km respectively), the measuring jaw 6 on the first ruler 7 enters a working state, the measuring jaw 6 can be freely drawn, and the proportional size under the metric system unit is measured. When the english system is selected, the distance on the graph and the actual distance unit on the display are displayed as metric (in and mile respectively), the measuring jaw 6 on the second ruler 9 enters a working state, and the measuring jaw 6 can be freely drawn, and the proportional size under the english system unit is measured.
The arithmetic unit provides the proportion calculating function of the utility model, and is an important tie of the rotary dial 5 (giving instruction) and the display (displaying instruction result). The basic formula of proportion calculation: actual distance = distance on the graph/(scale).
In one embodiment, the utility model sets the basic proportion (1:1) between the two straight rulers, thereby facilitating the direct measurement and line drawing of straight lines. The two straight rulers are provided with basic scales (1:1). The utility model can measure the size under the metric/english system, and the rotary driving plate 5 can be used for drawing straight lines with various proportions; the utility model combines the functions of the proportional scale and the angle scale, and can also measure angles with the angle ranging from 0 degree to 360 degrees.
Preferably, the multipurpose scale of the present utility model further comprises: a ruler slot 8;
the ruler grooves 8 are respectively arranged on the ruler bodies of the first ruler 7 and the second ruler 9;
the measuring jaw 6 is in snap connection with the ruler slot 8,
the part of the measuring claw 6 buckled in the ruler groove 8 is in an inverted T shape 12;
the measuring jaw 6 slides along the rule slot 8.
As shown in fig. 5 and 6, in this embodiment, the body of the measuring jaw 6 is in a bar shape, and is located above the first ruler 7 and the second ruler 9 and can slide freely in the track of the ruler slot 8, preferably, in this embodiment, the measuring jaw 6 is composed of a jaw body part and an inverted T-shaped 12 part, and the inverted T-shaped 12 provides support for the measuring jaw 6 and fixes the measuring jaw 6 in the track of the ruler slot 8 to stably run.
Optionally, the multipurpose scale of the present utility model further comprises: two sliding wheels 10;
two sliding wheels 10 are respectively arranged on the back of the measuring jaw 6;
the two pulleys 10 drive the measuring jaw 6 to slide along the blade of the first ruler 7 and the second ruler 9 respectively.
As shown in fig. 5 and 6, in this embodiment, the sliding wheel 10 is located at the back of the measuring jaw 6, and the C-shaped structure 11 of the second ruler body is connected with the sliding wheel, which can assist the smooth and smooth operation of the measuring jaw 6.
The multipurpose scale of the utility model also comprises a rubber sealing ring;
the rubber sealing ring is arranged at the joint of the first ruler 7, the second ruler 9 and the circular ruler disk 1.
The ruler body materials of the first ruler 7 and the second ruler 9 are any one of metal aluminum alloy, metal steel alloy or carbon fiber.
The ruler body is made of (metal aluminum and steel) alloy or carbon fiber materials, so that the ruler is stronger and more resistant to abrasion. The gaps at the joints of the first ruler 7, the second ruler 9 and the circular ruler disk 1 are provided with rubber sealing rings for compaction; in particular, the indoor and outdoor working environments in engineering and machinery industries are complex and changeable, and the utility model can also cope with the conditions of certain temperature, humidity, dust and the like and has the functional characteristics of water resistance and dust resistance.
Preferably, the utility model also comprises a button cell which is positioned inside the ruler disk for supplying power to the utility model.
Preferably, the utility model also comprises a positioning block 4, wherein the positioning block 4 is positioned at the starting end of the first ruler 7 and the second ruler 9 of the utility model, and is provided with an auxiliary measuring claw 6 for zeroing and zero point (starting point) for identifying the distance, and simultaneously is connected with the front part and the rear part of the utility model.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The ruler integrates the proportional ruler, the straight ruler and the angle ruler, a user can realize the conventional mapping function by only carrying one ruler, the ruler is convenient to carry, and meanwhile, errors generated by overlapping and using a plurality of rulers are reduced;
(2) According to the utility model, by arranging the measuring circuit, the circular capacitance grating sensor, the capacitance grating sensor and the screen display, automatic reading can be realized, and the manual workload and the error of manual reading are reduced;
(3) According to the utility model, by arranging the rotary driving plate, a user can set different proportions and international unit systems, so that the utility model is applicable to more scenes;
(4) The utility model is provided with the measuring claw, the ruler groove and the sliding wheel, and when the utility model is used for measuring a real object, the alignment is more accurate, and the workload and the error of manual alignment are reduced.
While the utility model has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the utility model, and it is intended that the utility model is not limited to the specific embodiments disclosed.

Claims (10)

1. A multipurpose scale, comprising: the circular ruler disc, the first ruler and the second ruler;
the circular ruler disc is carved with angle scales;
the first straight ruler is connected to the circle center of the circular ruler disc through a rotating shaft;
the second ruler is fixedly connected to the circle center;
the first ruler and the second ruler are arranged below the circular ruler disc;
the scale on the first ruler is different from the scale on the second ruler.
2. The multipurpose scale of claim 1, further comprising a circular capacitive grating sensor, a measurement circuit and a screen display electrically connected in sequence;
the movable grid of the circular capacitance grid sensor is connected with the rotating shaft;
the fixed grating of the circular capacitive grating sensor is connected with the second ruler;
the measuring circuit is arranged on the back of the circular ruler disc;
the screen display is arranged on the front surface of the circular ruler disc;
the screen display is provided with a digital display area for displaying angles, proportional relations and lengths.
3. The multipurpose scale of claim 2, further comprising: the measuring jaw is provided with a measuring cavity,
the measuring claws are symmetrically arranged on the first ruler and the second ruler;
the measuring jaw is slidable along the extension direction of the first and second straightedge for alignment with a measurement target.
4. A multi-purpose scale according to claim 3, further comprising: a capacitive grating sensor connected with the measuring circuit;
the capacitive grating sensor comprises two capacitive grating sensor fixed gratings and one capacitive grating sensor movable grating;
the two capacitance grid sensors are fixed on the first ruler and the second ruler respectively;
the grid sensor movable grid is fixed on the measuring claw.
5. The multipurpose scale of claim 4, further comprising an operator and a plurality of rotary dials;
the capacitive grating sensor and the arithmetic unit are sequentially and electrically connected with the rotary driving plates;
the arithmetic unit and the plurality of rotary dials are arranged on the circular scale disk;
the plurality of rotary dials includes a unit dial, a molecular dial, and a denominator dial;
the arithmetic unit is used for calculating corresponding length data according to the shifting gear of the rotary dial.
6. The multipurpose scale of claim 1, wherein:
the scale on the first ruler is metric scale;
the scale on the second ruler is an English scale.
7. A multi-purpose scale according to claim 3, further comprising: a ruler groove;
the ruler grooves are respectively arranged on the ruler bodies of the first ruler and the second ruler;
the measuring jaw is in buckle connection with the ruler groove,
the part of the measuring claw, which is buckled in the ruler groove, is inverted T-shaped;
the measuring jaw slides along the rule groove.
8. The multipurpose scale of claim 7, further comprising: two sliding wheels;
the two sliding wheels are respectively arranged on the back surface of the measuring jaw;
the two sliding wheels respectively drive the measuring jaw to slide along the ruler bodies of the first ruler and the second ruler.
9. A multipurpose scale according to claim 3, further comprising a rubber seal;
the rubber sealing ring is arranged at the joint of the first ruler, the second ruler and the circular ruler disk.
10. A multipurpose scale as claimed in any one of claims 1 to 9, wherein,
the ruler body materials of the first ruler and the second ruler are any one of metal aluminum alloy, metal steel alloy or carbon fiber.
CN202320543573.3U 2023-03-20 2023-03-20 Multipurpose scale Active CN219523508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320543573.3U CN219523508U (en) 2023-03-20 2023-03-20 Multipurpose scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320543573.3U CN219523508U (en) 2023-03-20 2023-03-20 Multipurpose scale

Publications (1)

Publication Number Publication Date
CN219523508U true CN219523508U (en) 2023-08-15

Family

ID=87632187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320543573.3U Active CN219523508U (en) 2023-03-20 2023-03-20 Multipurpose scale

Country Status (1)

Country Link
CN (1) CN219523508U (en)

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