CN115711580A

CN115711580A - Measuring device

Info

Publication number: CN115711580A
Application number: CN202211276546.0A
Authority: CN
Inventors: 钟鸣; 苏传龙; 武小海; 光玲玲; 陈世荣
Original assignee: Zhejiang Zero Run Technology Co Ltd
Current assignee: Zhejiang Zero Run Technology Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-24

Abstract

The application discloses a measuring device. The measuring device includes: the bracket ruler is provided with a dimension scale; the first laser piece is movably arranged on the support ruler and used for emitting first linear laser along a first direction and marking the size scales of the first linear laser on the support ruler; the second laser piece is movably arranged on the support ruler and used for emitting second linear laser along a second direction and marking the size scales of the second linear laser on the support ruler; the first direction and the second direction are symmetrical in the direction perpendicular to the distribution direction of the size scale, the first linear laser and the second linear laser are intersected, and the laser colors of the first linear laser and the second linear laser are different. Through the mode, the measuring device provided by the application can realize the functions of height difference rapid comparison and height difference conversion measurement with a low-cost scheme, so that the comprehensive use cost of the measuring device is low.

Description

Measuring device

Technical Field

The application relates to the technical field of measuring equipment, in particular to a measuring device.

Background

In the field of industrial manufacturing, height difference detection is often performed by measuring tools.

The current height difference measuring tool is realized by adopting a sensor distance measuring scheme, the manufacturing cost is higher, and in the industrial manufacturing field, the consumption of the height difference measuring tool is higher, and the height difference measuring tool is not easy to maintain once being damaged, so that the integral use cost is higher.

Disclosure of Invention

The application mainly provides a measuring device to solve the problem that the use cost of a height difference measuring tool is high.

In order to solve the technical problem, the application adopts a technical scheme that: a measuring device is provided. The measuring device includes: the support ruler is provided with a size dial gauge; the first laser piece is movably arranged on the support ruler and used for emitting first linear laser along a first direction and marking the size scales of the first linear laser on the support ruler; the second laser piece is movably arranged on the support ruler and used for emitting second linear laser along a second direction and marking the size scale of the second linear laser on the support ruler; the first direction and the second direction are symmetrical about a direction perpendicular to the distribution direction of the size scale, the first linear laser and the second linear laser are intersected, and the laser colors of the first linear laser and the second linear laser are different.

In some embodiments, the first laser member includes a first laser source and a first box, the first laser source is disposed in the first box, and a first exit port is disposed on the first box, the first laser source emits a first linear laser from the first exit port, the first box is further provided with a first mark portion, and the first mark portion is used for marking a size scale on the support ruler;

second laser spare includes second laser source and second box body, second laser source set up in the second box body, just be equipped with the second exit port on the second box body, second laser source follows second exit port outgoing second linear laser, the second box body still is equipped with second mark portion, second mark portion is used for marking hold in the palm size scale on the chi.

In some embodiments, the first exit port and the second exit port are both linear exit ports, and the first laser source and the second laser source form linear laser through the corresponding linear exit ports respectively.

In some embodiments, the first mark part is a first reference surface on the first box body, and the first reference surface is aligned with the first exit port and perpendicular to the distribution direction of the size scale; the second mark part is a second reference surface on the second box body, and the second reference surface is aligned with the second emergent port and is perpendicular to the distribution direction of the size scale.

In some embodiments, a clamping angle between the first direction and the first reference plane is 45 degrees, and a clamping angle between the second direction and the second reference plane is 45 degrees.

In some embodiments, the first laser piece further comprises a first magnetic piece, and the first box body is magnetically attracted to the support ruler through the first magnetic piece;

the second laser piece also comprises a second magnetic piece, and the second box body is magnetically attracted to the support ruler through the second magnetic piece.

In some embodiments, the bottom wall of the first box body abuts against the support ruler, and the first magnetic piece is arranged in the first box body and is positioned on one side, away from the dimension scale, of the bottom wall of the first box body;

the bottom wall of the second box body is abutted to the support ruler, the second magnetic part is arranged in the second box body, and the bottom wall of the second box body deviates from one side of the size scale.

In some embodiments, the support ruler comprises a graduated plate and a baffle, the graduated plate is connected in a bending mode, the size dial gauge is arranged on the graduated plate, the bottom wall of the first box body and the bottom wall of the second box body are both magnetically attracted to the graduated plate, and the baffle is used for stopping and limiting the first box body and the second box body.

In some embodiments, the blade is an L-shaped structure.

In some embodiments, a slit is provided on the support ruler, the size scales are symmetrically distributed about the slit, and the first laser member and the second laser member are symmetrically disposed on two sides of the slit.

In some embodiments, the laser color of the first and second line lasers is one of yellow and blue, respectively.

In some embodiments, the measuring device further comprises a wandering cursor for emitting a marking laser in a direction perpendicular to a direction of distribution of the dimension scale, and the wandering cursor further corresponds to a dimension scale on the blade by marking the marking laser; the marking laser has a laser color different from the laser colors of the first and second line lasers.

In some embodiments, the wandering cursor includes a support and a marking laser source, the marking laser source is connected to the support, a third marking portion aligned with a position of the marking laser source is provided on the support, the support is movably provided on the stock ruler, and the third marking portion is used for marking that the marking laser corresponds to a size scale on the stock ruler.

In some embodiments, the third marking is a bar-shaped slit aligned with the marking laser source, the bar-shaped slit being adapted to correspond to a size scale on the support ruler.

The beneficial effect of this application is: in contrast to the state of the art, the present application discloses a measuring device. The height difference L from the intersection position of the first linear laser and the second linear laser to the plane where the two laser emitting positions are located is determined by arranging the first laser piece and the second laser piece on the support ruler, the height difference L can be used as a standard height difference, the height difference L takes the plane where the two laser emitting positions are located as a reference plane, and the position and the color of the light display of the first linear laser and the second linear laser on the surface of the measured object can be visually and quickly determined through the size relation between the height difference delta L from the measured object to the reference plane and the standard height difference L, so that the height difference can be quickly compared with the reference; further, the superposed light obtained by the first linear laser and the second linear laser is displayed on the surface of the measured object, the height difference delta L from the measured object to the reference plane can be conveniently obtained, the height difference measurement can be converted into the plane distance measurement on the support ruler, and the intuitive and quick height difference detection can be realized; therefore, the measuring device provided by the application can realize the functions of rapid height difference comparison and height difference conversion measurement through the supporting ruler, the first laser piece and the second laser piece, and compared with a scheme of measuring distance by using a sensor, the supporting ruler, the first laser piece and the second laser piece adopted by the scheme of the application are lower in cost, namely the functions of rapid height difference comparison and height difference conversion measurement can be realized by using a low-cost scheme; furthermore, when any one of the over-support ruler, the first laser piece and the second laser piece is damaged, the over-support ruler can be replaced, the integral scrapping of the measuring device due to the damage of a small number of parts can be avoided, the utilization rate of the measuring device is improved, and the use cost is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic diagram of an embodiment of a measurement apparatus provided herein;

FIG. 2 is a schematic view of the structure of a support ruler in the measuring device shown in FIG. 1;

FIG. 3 is a schematic front view of the measuring device shown in FIG. 1;

FIG. 4 is a schematic illustration of a first result of the measuring device of FIG. 3 for rapid height differential comparison;

FIG. 5 is a schematic diagram of a second result of the measuring device of FIG. 3 when used for rapid height difference comparison;

FIG. 6 is a schematic diagram of a third result of the measuring device of FIG. 3 when used for rapid height difference comparison;

FIG. 7 is a schematic view of the measuring apparatus shown in FIG. 1 in use for height difference conversion measurements;

fig. 8 is a schematic diagram of the structure of the wandering cursor in the measuring apparatus shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an embodiment of a measurement apparatus provided in the present application, fig. 2 is a schematic structural diagram of a support ruler in the measurement apparatus shown in fig. 1, and fig. 3 is a schematic structural diagram of a front view of the measurement apparatus shown in fig. 1.

The measuring device 100 can be used for rapid height difference comparison and height difference conversion measurement of an object to be measured, and provides a more intuitive and convenient measuring mode with a low-cost tool.

The measuring device 100 comprises a support ruler 10, a first laser piece 20 and a second laser piece 30, wherein the first laser piece 20 and the second laser piece 30 are both arranged on the support ruler 10, so that line type laser emitted by the first laser piece 20 and the second laser piece 30 is utilized to perform height difference rapid comparison on a measured object.

The stock 10 is provided with a dimension scale 12, the dimension scale 12 being used to mark the dimension.

In this embodiment, the slit 14 is provided on the support 10, and the size scale 12 is symmetrically distributed with respect to the slit 14, that is, the position of the slit 14 is used as a mark zero point, and the scale size of the mark zero point can be marked as zero or a set numerical value.

Alternatively, a marking line may be provided on the tray 10 instead of the slit 14, or the size scales 12 may be distributed from small to large in size along the distribution direction thereof.

In this embodiment, the support ruler 10 is an L-shaped structure with a smooth surface, such as an angle iron, and a slit 14 is formed on one side of the L-shaped structure and a dimension scale 12 is formed by etching. The angle iron has stable performance, is easy to obtain, is cheap, and is beneficial to reducing the cost of the measuring device 100. The stock 10 may also be made of carbon steel or the like.

Alternatively, the stock 10 may be of a flat plate construction and provided with size scales 12 thereon.

As shown in fig. 1 to 3, the first laser member 20 is movably disposed on the support 10 for emitting the first line laser along the first direction a and marking the size scale of the first line laser on the support 10; the second laser member 30 is movably disposed on the support ruler 10, and is used for emitting a second linear laser along a second direction B and marking a dimension scale of the second linear laser on the support ruler 10; the first direction a and the second direction B are symmetrical with respect to a direction perpendicular to the distribution direction of the size scale 12, the first linear laser and the second linear laser intersect each other, and the laser colors of the first linear laser and the second linear laser are different from each other.

The laser has the characteristics of high brightness, good directivity, high monochromaticity and the like, by utilizing the principle of color superposition, the superposition of different colors can generate another color, and the superposition of two kinds of laser with different colors can also generate another color, for example, the superposition of yellow laser and blue laser can generate green, and the green is also obviously different from yellow and blue, so that the green is convenient to observe; alternatively, the superposition of red and blue lasers produces a violet color.

In this embodiment, the laser color of the first linear laser and the laser color of the second linear laser are respectively one of yellow and blue, wherein the yellow linear laser and the blue linear laser are superimposed at the intersection of the first linear laser and the second linear laser to form green linear laser.

Further, the first laser member 20 and the second laser member 30 respectively mark the size scales on the support ruler 10, and the laser emitting position on the first laser member 20 and the position for marking the size scales are relatively fixed, and the laser emitting position on the second laser member 30 and the position for marking the size scales are relatively fixed, so that the distance S between the laser emitting positions of the first laser member 20 and the second laser member 30 can be obtained by using the scale pitch marked between the first laser member 20 and the second laser member 30, the first direction a and the second direction B are symmetrical with respect to the direction perpendicular to the distribution direction of the size scale 12, it is known that the included angle α between the first direction a and the second direction B and the plane of the size scale 12 is determined, so that the height difference L from the intersection of the first linear laser and the second linear laser to the plane of the laser emitting positions can be determined by using a trigonometric function, wherein the height difference L between the intersection of the first linear laser and the second linear laser can be determined by using a trigonometric function

The included angle α between the first direction a and the second direction B and the surface of the size scale 12 may be 30 degrees, 45 degrees, 60 degrees, and the like, for example, if the included angle α is 45 degrees, then

In this embodiment, the included angle α is 45 degrees, which is convenient for a user to intuitively obtain the height difference L through the scale size on the support ruler 10.

When the height difference is measured or compared, if the plane where the two laser emitting positions are located is taken as a reference plane, the height difference L can be a comparison reference of the height difference or a height difference measurement value. If the surface of the tray 10 on which the size scale 12 is located is taken as a reference plane, and the distance between the laser emitting positions of the first laser member 20 and the second laser member 30 to the size scale 12 on the tray 10 is also fixed, it can be measured in advance and determined as a fixed value, and the sum of the fixed value and the height difference L is the height difference from the intersection of the first line type laser and the second line type laser to the reference plane.

Further, the first laser member 20 and the second laser member 30 are symmetrically disposed at both sides of the slit 14, and the intersecting line of the first line laser and the second line laser can be visually observed through the slit 14.

Alternatively, the first laser member 20 and the second laser member 30 may be asymmetrically disposed at both sides of the slit 14, or disposed at one side of the slit 14.

In this embodiment, the plane where the two laser emitting positions are located is taken as a reference plane, the color of the first linear laser is yellow, the color of the second linear laser is blue, the first laser device 20 is located on the left side of the slit 14, and the second laser device 30 is located on the right side of the slit 14.

Referring to fig. 3 to 6, fig. 4 is a schematic diagram of a first result of the measuring apparatus shown in fig. 3 when used for the rapid height difference comparison, fig. 5 is a schematic diagram of a second result of the measuring apparatus shown in fig. 3 when used for the rapid height difference comparison, and fig. 6 is a schematic diagram of a third result of the measuring apparatus shown in fig. 3 when used for the rapid height difference comparison.

When the height difference is detected by rapid comparison, the positions of the first laser member 20 and the second laser member 30 on the support ruler 10 are adjusted in advance to obtain a required reference height difference, i.e. a height difference L, and then each object to be detected is detected to perform rapid comparison of the height difference.

Specifically, as shown in fig. 4, green light is displayed on the surface of the object to be measured, and Δ L = L; as shown in fig. 5, two lights are displayed on the surface of the object to be measured, and the yellow light is located on the left side of the blue light, which indicates that Δ L is less than L; as shown in fig. 6, two lights are displayed on the surface of the object to be measured, and the blue light is located on the left side of the yellow light, indicating Δ L > L.

When the height difference conversion measurement is performed, the distance S between the first laser piece 20 and the second laser piece 30 is adjusted, so that light obtained by superimposing the first linear laser and the second linear laser is displayed on the surface of the measured object, and the height difference L from the measured object to the reference plane can be obtained.

According to the method, the first laser piece 20 and the second laser piece 30 are arranged on the support ruler 10, so that the height difference L from the intersection position of the first linear laser and the second linear laser to the plane of the two laser emitting positions is determined by utilizing the first linear laser and the second linear laser emitted by the first laser piece 20 and the second laser piece 30 respectively and the mark space S between the first laser piece 20 and the second laser piece 30, the height difference L from the intersection position of the first linear laser and the second linear laser to the plane of the two laser emitting positions can be used as a standard height difference, the height difference L takes the plane of the two laser emitting positions as a reference plane, and the position and the color of the light displayed on the surface of the measured object by the first linear laser and the second linear laser can be visually and quickly determined, so that the size relation between the height difference delta L from the measured object to the reference plane and the standard height difference L can be quickly compared; further, the superposed light obtained by the first linear laser and the second linear laser is displayed on the surface of the measured object, the height difference delta L from the measured object to the reference plane can be conveniently obtained, the height difference measurement can be converted into the plane distance measurement on the support ruler 10, and the intuitive and quick height difference detection can be realized.

Therefore, the measuring device 100 provided by the present application can implement the above-mentioned functions of rapid height difference comparison and height difference conversion measurement through the stock ruler 10, the first laser member 20 and the second laser member 30, and compared with the scheme of using a sensor to measure distance, the stock ruler 10, the first laser member 20 and the second laser member 30 adopted by the scheme of the present application are all low in cost, that is, the functions of rapid height difference comparison and height difference conversion measurement can be implemented with a low-cost scheme.

Further, when any one of the over-support ruler 10, the first laser piece 20 and the second laser piece 30 is damaged, the over-support ruler can be replaced, the integral scrapping of the measuring device 100 caused by the damage of a small number of parts can be avoided, the utilization rate of the measuring device 100 is improved, and the use cost is effectively reduced.

As shown in fig. 3, in the present embodiment, the first laser member 20 includes a first laser source 21 and a first box 22, the first laser source 21 is disposed in the first box 22, a first exit port 220 is disposed on the first box 22, the first laser source 21 exits a first linear laser from the first exit port 220, the first box 22 is further provided with a first mark portion 222, and the first mark portion 222 is used for marking a size scale on the support ruler 10; the second laser member 30 includes a second laser source 31 and a second box 32, the second laser source 31 is disposed in the second box 32, a second exit port 320 is disposed on the second box 32, the second laser source 31 exits the second exit port 320 as a second linear laser, the second box 32 is further provided with a second marking portion 322, and the second marking portion 322 is used for marking the size scale on the stock ruler 10.

The first box 22 can provide a protection function for the first laser source 21, and can also mark the size scales on the stock ruler 10 corresponding to the first marking part 222 arranged on the first box, and is also beneficial for a user to hold the first laser piece 20 by hand, so that the position of the first laser piece on the stock ruler 10 can be conveniently adjusted; the second box 32 can provide protection for the second laser source 31, and can also mark the size scale on the tray 10 corresponding to the second marking portion 322, and also facilitate the user to hold the second laser member 30, so that the position of the second laser member on the tray 10 can be conveniently adjusted.

In this embodiment, the first exit port 220 and the second exit port 320 are both linear exit ports, and the first laser source 21 and the second laser source 31 respectively form linear lasers through the corresponding linear exit ports, so that the first laser source 21 and the second laser source 31 can adopt non-linear laser sources, which can further reduce the cost.

Alternatively, the first laser light source 21 and the second laser light source 31 may also employ a line-type laser light source, which may directly emit line-type laser light.

In this embodiment, the first mark portion 222 is a first reference surface on the first box 22, and the first reference surface is aligned with the first exit port 220 and perpendicular to the distribution direction of the dimension scale 12; the second mark 322 is a second reference surface on the second box 32, and the second reference surface is aligned with the second exit port 320 and perpendicular to the distribution direction of the size scale 12, so that the distance between the first reference surface and the second reference surface is the distance S between the first exit port 220 and the second exit port 320, which is beneficial to obtaining the height difference L more subjectively.

Wherein, the bottom surface of the first box 22 faces the dimension scale 12 on the support ruler 10, and the first reference surface is perpendicular to and adjacent to the bottom surface of the first box 22; the bottom surface of the second case 32 faces the dimension scale 12 on the stock 10, and the second reference surface is perpendicular to and adjacent to the bottom surface of the second case 32.

Optionally, the first mark portion 222 and the second mark portion 322 may also be protruding points, the corresponding dimension scale table on the support ruler 10 is disposed in a strip-shaped groove corresponding to the protruding points, and the protruding points are disposed in the strip-shaped groove and can mark corresponding scale positions.

In this embodiment, the included angle between the first direction a and the second direction B and the distribution direction of the dimension scale 12 is 45 degrees, that is, the clamping angle between the first direction a and the first reference plane is 45 degrees, and the clamping angle between the second direction B and the second reference plane is 45 degrees, so that the user can intuitively obtain the height difference L.

Further, the first laser component 20 further includes a first magnetic component 23, and the first box 22 is magnetically attracted to the stock ruler 10 through the first magnetic component 23; the second laser part 30 further comprises a second magnetic part 33, the second box 32 is magnetically attracted to the support ruler 10 through the second magnetic part 33, and the connection and disconnection relation between the first laser part 20 and the second laser part 30 and the support ruler 10 is also quickly achieved through the arrangement of the first magnetic part 23 and the second magnetic part 33, so that a user can conveniently move the positions of the first laser part 20 and the second laser part 30 on the support ruler 10 in a manual mode.

The first magnetic member 23 may be disposed on the bottom surface of the first casing 22 and face the dimension scale 12, and the second magnetic member 33 may be disposed on the bottom surface of the second casing 32 and face the dimension scale 12.

In this embodiment, the bottom wall of the first box 22 abuts against the support ruler 10, and the first magnetic member 23 is disposed in the first box 22 and located on a side of the bottom wall of the first box 22 away from the dimension scale 12, so that the bottom wall of the first box 22 can be magnetically attached to the support ruler 10, and the first reference surface can accurately mark the position on the dimension scale 12; on the diapire butt stock chi 10 of second box body 32, place second box body 32 in the second magnetic part 33, and be located one side that the diapire of second box body 32 deviates from size scale 12 for but the subsides of diapire magnetism of second box body 32 are located on stock chi 10, and then the position on size scale 12 can be accurately marked to the second reference surface.

Wherein, as shown in fig. 2, the support ruler 10 is including being the scale plate 11 and the baffle 13 of buckling the connection, is equipped with size graduation apparatus 12 on the scale plate 11, and the diapire of first box body 22 and the diapire of second box body 32 are all inhaled magnetically on the scale plate 11, and baffle 13 is used for the spacing first box body 22 of backstop and second box body 32, can further bear first laser piece 20 and second laser piece 30, prevents that first laser piece 20 and second laser piece 30 from easily coming off on the support ruler 10 because of magnetic attraction is not enough.

The baffle 13 may be perpendicular to the scale plate 11, or the bending angle between the baffle 13 and the scale plate 11 may be an acute angle or an obtuse angle, such as 70 degrees, 80 degrees, 100 degrees or 110 degrees.

In this embodiment, the support ruler 10 is an L-shaped structure, and the two side plates of the L-shaped structure are the scale plate 11 and the baffle 13, respectively, wherein the scale plate 11 and the baffle 13 are substantially vertically disposed.

Alternatively, the stock 10 may comprise only the scale plate 11.

Referring to fig. 1 and 7 in combination, fig. 7 is a schematic diagram of the measuring apparatus shown in fig. 1 used for height difference conversion measurement.

Further, the measuring apparatus 100 further includes a wandering cursor 40, the wandering cursor 40 is used for emitting the marking laser in a direction perpendicular to the distribution direction of the dimension scale 12, and the wandering cursor 40 also marks the marking laser to correspond to the dimension scale on the ruler 10; the laser color of the marking laser is different from the laser colors of the first linear laser and the second linear laser, and further the marking laser and the first linear laser or the second linear laser can display a new color at the intersection, by utilizing the characteristic, the new color is displayed on the surface of the measured object by moving the position of the wandering cursor 40 on the support ruler 10, the distance S between the marking part on the first laser piece 20 and the marking part of the wandering cursor 40 is determined, the height difference L between the measured object and the reference plane can be obtained through the trigonometric function relation, namely the height difference L which is difficult to measure is converted into the distance S in the horizontal direction, and the measurement of the height difference L by the user is more visual and convenient.

In this embodiment, the color of the first linear laser is yellow, the color of the second linear laser is blue, and the color of the marking laser is red, wherein the red and yellow are superimposed to display orange, and the red and blue are superimposed to display purple.

The user attaches the wandering cursor 40 to the size scale 12, and moves the wandering cursor 40 along the square or reverse direction of the size scale 12, so that the mark laser and the first line laser coincide with each other to display an orange light on the surface of the object to be measured, or the mark laser and the second line laser coincide with each other to display a purple light on the surface of the object to be measured, and then the height difference L between the object to be measured and the reference plane is obtained by the above-mentioned trigonometric function.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a wandering cursor in the measuring apparatus shown in fig. 1. Specifically, the wandering cursor 40 includes a bracket 41 and a mark laser source 42, the mark laser source 42 is connected to the bracket 41, a third mark portion 410 aligned with the mark laser source 42 is disposed on the bracket 41, the bracket 41 is movably disposed on the stock 10, and the third mark portion 410 is used for marking the mark laser corresponding to the size scale on the stock 10.

The bracket 41 is a plate, the bracket 41 may also be magnetically attracted to the support ruler 10, or the bracket 41 is attached to the support ruler 10 under the pressing force of the user, and the third marking portion 410 is a bar-shaped slit on the bracket 41, which is aligned with the marking laser source 42 and used for corresponding to the size scale on the support ruler 10, that is, the corresponding size scale can be directly observed through the bar-shaped slit.

In this embodiment, if the included angle α is 45 degrees, the distance S between the first reference surface or the second reference surface and the scale corresponding to the dimension of the strip slit is the height difference L between the surface of the object to be measured and the reference plane, so that the height difference L can be obtained more intuitively and conveniently.

Alternatively, the third index portion 410 may be a circular hole or an index line, etc., which determines the distance between it and the first reference surface or the second reference surface by aligning with the scale on the size scale 12.

The bracket 41 may also be in other shapes, such as a clip-type structure, which can be clipped on the blade 10 and can slide along the blade 10 to facilitate adjustment of its position on the blade 10.

The marking laser source 42 may be a linear laser source to emit linear light, which may be conveniently overlapped with the first linear laser or the second linear laser, and is more beneficial for the user to observe the light of a new color; or the laser emitted by the laser is in a dot type.

In contrast to the state of the art, the present application discloses a measuring device. The height difference L from the intersection position of the first linear laser and the second linear laser to the plane where the two laser emitting positions are located is determined by arranging the first laser piece and the second laser piece on the support ruler, the height difference L can be used as a standard height difference, the height difference L takes the plane where the two laser emitting positions are located as a reference plane, and the position and the color of the light display of the first linear laser and the second linear laser on the surface of the measured object can be visually and quickly determined through the size relation between the height difference delta L from the measured object to the reference plane and the standard height difference L, so that the height difference can be quickly compared with the reference; further, the superposed light obtained by the first linear laser and the second linear laser is displayed on the surface of the measured object, the height difference delta L from the measured object to the reference plane can be conveniently obtained, the height difference measurement can be converted into the plane distance measurement on the support ruler, and the intuitive and quick height difference detection can be realized; therefore, the measuring device provided by the application can realize the functions of rapid height difference comparison and height difference conversion measurement through the supporting ruler, the first laser piece and the second laser piece, and compared with a scheme of measuring distance by using a sensor, the supporting ruler, the first laser piece and the second laser piece adopted by the scheme of the application are lower in cost, namely the functions of rapid height difference comparison and height difference conversion measurement can be realized by using a low-cost scheme; furthermore, when any one of the over-supporting ruler, the first laser piece and the second laser piece is damaged, the over-supporting ruler can be replaced, the integral scrapping of the measuring device caused by the damage of a small number of parts can be avoided, the utilization rate of the measuring device is improved, and the use cost is effectively reduced.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. A measuring device, comprising:

the bracket ruler is provided with a dimension scale;

the first laser piece is movably arranged on the support ruler and used for emitting first linear laser along a first direction and marking the size scales of the first linear laser on the support ruler;

the second laser piece is movably arranged on the support ruler and used for emitting second linear laser along a second direction and marking the size scales of the second linear laser on the support ruler;

wherein the first direction and the second direction are symmetrical with respect to a direction perpendicular to a distribution direction of the size scale, and the first linear laser and the second linear laser intersect each other, and laser colors of the first linear laser and the second linear laser are different.

2. The measuring device according to claim 1, wherein the first laser member comprises a first laser source and a first box, the first laser source is disposed in the first box, and a first exit port is disposed on the first box, the first laser source emits a first linear laser from the first exit port, the first box is further provided with a first mark portion, and the first mark portion is used for marking a size scale on the support ruler;

the second laser part includes second laser source and second box body, the second laser source set up in the second box body, just be equipped with the second exit port on the second box body, the second laser source is followed the second exit port second line type laser of outgoing, the second box body still is equipped with second mark portion, second mark portion is used for marking hold in the palm size scale on the chi.

3. The measuring device according to claim 2, wherein the first and second exit ports are linear exit ports, and the first and second laser sources form linear lasers through the corresponding linear exit ports, respectively.

4. A measuring device according to claim 3, characterised in that the first index portion is a first reference surface on the first box aligned with the first exit opening and perpendicular to the direction of distribution of the dimensional scale; the second mark part is a second reference surface on the second box body, and the second reference surface is aligned with the second emergent port and is perpendicular to the distribution direction of the size scale.

5. A measuring device according to claim 4, characterized in that the angle sandwiched between the first direction and the first reference plane is 45 degrees and the angle sandwiched between the second direction and the second reference plane is 45 degrees.

6. The measuring device of claim 2, wherein the first laser member further comprises a first magnetic member, and the first box body is magnetically attracted to the support ruler through the first magnetic member;

7. The measuring device according to claim 6, wherein the bottom wall of the first box body abuts against the stock ruler, and the first magnetic member is arranged in the first box body and is positioned on one side of the bottom wall of the first box body, which is far away from the dimension scale;

8. The measuring device according to claim 7, wherein the support ruler comprises a scale plate and a baffle plate which are connected in a bending manner, the scale plate is provided with the dimension scale, the bottom wall of the first box body and the bottom wall of the second box body are both magnetically attracted onto the scale plate, and the baffle plate is used for stopping and limiting the first box body and the second box body.

9. A measuring device according to claim 8, wherein the blade is of L-shaped configuration.

10. The measuring device according to claim 1, wherein a slit is provided on the support ruler, the dimension scales are symmetrically distributed about the slit, and the first laser member and the second laser member are symmetrically arranged on two sides of the slit.

11. The measurement device of claim 10, wherein the laser color of the first and second line lasers is one of yellow and blue, respectively.

12. A measuring device according to claim 1, further comprising a wandering cursor for emitting a marker laser in a direction perpendicular to the direction of distribution of the dimension scale, and further for marking the marker laser to correspond to a dimension scale on the blade; the marking laser has a laser color different from the laser colors of the first and second line lasers.

13. The measuring device according to claim 12, wherein the wandering cursor comprises a bracket and a marking laser source, the marking laser source is connected with the bracket, a third marking part aligned with the position of the marking laser source is arranged on the bracket, the bracket is movably arranged on the support ruler, and the third marking part is used for marking that the marking laser corresponds to the size scale on the support ruler.

14. A measuring device according to claim 13, wherein the third marker portion is a bar-shaped slot aligned with the marker laser source, the bar-shaped slot being adapted to correspond to a size scale on the scale.