Rotary calibrated scale and control method thereof

Abstract

The invention relates to the technical field of measurement, in particular to a rotary calibrated scale and a control method thereof.The rotary calibrated scale comprises a scale body, a first shaft, a mounting disc, two supporting plates, a bubble glass tube, two pointers and an adjusting mechanism; the mounting disc is rotationally mounted in the first circular groove through a first shaft; the two supporting plates are used for fixedly installing the bubble glass tube, colorless liquid is contained in the bubble glass tube, and bubbles are contained in the bubble glass tube. The adjusting mechanism is used for driving the first shaft to rotate, so that the bubble glass tube is finally rotated, the two pointers synchronously rotate along with the bubble glass tube, and the rotating angle of the bubble glass tube can be known in cooperation with angle scales; the bubble glass tube can be rotated to adjust the angle, so that after the bubble glass tube is rotated to the required angle, the horizontal plane, the vertical plane and the inclined planes with different inclination angles can be detected and calibrated by utilizing whether the bubble is centered or not.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of measurement technology, in particular to a rotary scale and a control method thereof. BACKGROUND

[0002] A level is a commonly used measuring tool widely used in the fields of construction, mechanical installation, woodworking, etc., and is mainly used for detecting whether the surface of an object is in a horizontal, vertical or specific inclined state. Its basic principle is to use the position change of the built-in bubble glass tube under the action of gravity to judge the inclination degree of the measured surface.

[0003] The commonly used level at present mostly adopts a fixed structure, and the scale body is provided with a bubble glass tube for detecting and calibrating a horizontal surface (0°), a vertical surface (90°) and a 45° inclined surface, and can only realize the detection and measurement of these fixed angles. Its structure is simple and lacks angle adjustment function. SUMMARY

[0004] The purpose of the present application is to provide a rotary scale and a control method thereof, which can detect and calibrate a horizontal surface, a vertical surface and an inclined surface with different inclination angles.

[0005] To achieve the above purpose, in a first aspect, the present application provides a rotary scale, comprising a scale body, a first shaft, a mounting disc, two supporting plates, a bubble glass tube, two pointers and an adjusting mechanism. The scale body is provided with a first circular groove; the first shaft is rotationally arranged in the scale body; the mounting disc is fixedly arranged at one end of the first shaft and located in the first circular groove; the two supporting plates are fixedly arranged on the mounting disc respectively; the bubble glass tube is fixedly arranged between the two supporting plates; the two pointers are fixedly arranged on the mounting disc respectively; the scale body is further provided with an angle scale; and the adjusting mechanism is arranged on the scale body and used for driving the first shaft to rotate.

[0006] The adjusting mechanism comprises a second shaft, a large gear, a small gear, a worm gear, a worm and a knob. The second shaft is rotationally arranged in the scale body; the large gear is fixedly arranged on the first shaft; the small gear is fixedly arranged on the second shaft and engaged with the large gear; the worm gear is fixedly arranged on the second shaft; the worm is rotationally arranged in the scale body and engaged with the worm gear; and the knob is fixedly arranged at one end of the worm.

[0007] The rotary scale further comprises a bracket and a laser emitter. The bracket is fixedly arranged on the mounting disc; and the laser emitter is fixedly arranged on the bracket.

[0008] The rotating scale further comprises a light source lamp bead, a plurality of transparent connecting columns, a circular baffle, an infrared distance sensor, a controller and a display screen. The light source lamp bead is fixedly arranged in the ruler body, the circular baffle is fixedly arranged in the second circular groove through the plurality of transparent connecting columns, the circular baffle and the second circular groove of the ruler body jointly form an annular gap, the infrared distance sensor is fixedly arranged in the ruler body, the controller is fixedly arranged in the ruler body, and the display screen is fixedly arranged on the ruler body and located at one side of the controller.

[0009] The rotating scale further comprises a storage battery. The storage battery is fixedly arranged in the ruler body.

[0010] The rotating scale further comprises two damping pads. The two damping pads are fixedly arranged at left and right ends of the ruler body, respectively.

[0011] The rotating scale further comprises a magnet. The magnet is fixedly arranged in the ruler body.

[0012] The ruler body is further provided with a length scale.

[0013] The controller comprises a data receiving module, an operation module and a data sending module, and the data receiving module, the operation module and the data sending module are sequentially connected. The data receiving module is configured to receive data measured by the infrared distance sensor and send the data to the operation module. The operation module is configured to calculate a geometric size of a light ring projected from the annular gap according to the data measured by the infrared distance sensor. The data sending module is configured to send the geometric size of the light ring to the display screen for display.

[0014] In a second aspect, the application further provides a control method of the rotating scale, which comprises the following steps. The pointer is adjusted to a required angle by using the adjusting mechanism. The bottom of the ruler body is placed on a plane to be calibrated. The plane is adjusted until the bubble in the bubble glass tube is centered.

[0015] The application discloses a rotary scale and a control method thereof, the scale body is internally provided with a hollow mounting cavity; the mounting disc is rotatably mounted in the first circular groove through the first shaft; two supporting plates are used for fixing and mounting the bubble glass tube, the bubble glass tube is internally provided with bubbles and filled with colorless liquid; the adjusting mechanism is used for driving the first shaft to rotate, so that the bubble glass tube is finally rotated, and the two pointers are synchronously rotated, and the angle scale is matched, so that the rotation angle of the bubble glass tube can be known; the angle scale is provided with 0 scale at the left and right ends and 90 scale at the upper and lower ends; the pointer is L-shaped and fixed on the mounting disc; In use, when it is needed to know whether a plane is horizontal, the two pointers are directed to the 0 scales at the left and right sides, the bubble glass tube is parallel to the bottom surface of the scale body, then the bottom surface of the scale body is placed on the plane to be calibrated, and whether the bubble is in the center of the bubble glass tube is observed; if not, the plane is adjusted until the bubble is in the center. When it is needed to determine a slope with a certain inclination angle and with the left side being higher than the right side, the bubble glass tube is rotated through the adjusting mechanism, so that the right pointer is directed to the required angle on the angle scale, then the bottom surface of the scale body is placed on the slope, and the slope is adjusted until the bubble is in the center, so that the slope is calibrated to the required inclination angle; similarly, when it is needed to determine a slope with a certain inclination angle and with the left side being lower than the right side, the bubble glass tube is rotated through the adjusting mechanism, so that the left pointer is directed to the required angle on the angle scale, then the bottom surface of the scale body is placed on the slope, and the slope is adjusted until the bubble is in the center. When it is needed to determine a vertical plane, the two pointers are adjusted to the 90 scales at the upper and lower ends of the angle scale. In the above manner, the horizontal plane, the vertical plane and the slope with different inclination angles can be detected and calibrated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0017] Figure 1 is the structural schematic diagram of the whole of the first embodiment of the application.

[0018] Figure 2 is Figure 1 is the partial enlarged view of the detail A.

[0019] Figure 3 is the structural schematic diagram of another angle of the whole of the first embodiment of the application.

[0020] Figure 4 is the front view of the first embodiment of the present application.

[0021] Figure 5 is Figure 4 is a partial enlarged view of detail B.

[0022] Figure 6 is Figure 4 is a sectional view along the direction of A-A.

[0023] Figure 7 is Figure 6 is a partial enlarged view of detail C.

[0024] Figure 8 is Figure 6 is a partial enlarged view of detail D.

[0025] Figure 9 is Figure 4 is a sectional view along the direction of B-B.

[0026] Figure 10 is a structural schematic diagram of the controller of the first embodiment of the present application.

[0027] Figure 11 is a flow schematic diagram of the second embodiment of the present application.

[0028] 1 - ruler, 2 - first shaft, 3 - mounting disc, 4 - support plate, 5 - bubble glass tube, 6 - pointer, 7 - adjusting mechanism, 8 - support, 9 - laser emitter, 10 - light source lamp bead, 11 - transparent connecting column, 12 - circular baffle, 13 - infrared distance measuring sensor, 14 - controller, 15 - display screen, 16 - storage battery, 17 - shock pad, 18 - magnet, 101 - first circular groove, 102 - angle scale, 103 - second circular groove, 104 - length scale, 105 - annular gap, 701 - second shaft, 702 - large gear, 703 - small gear, 704 - worm wheel, 705 - worm, 706 - knob, 1401 - data receiving module, 1402 - operation module, 1403 - data sending module. DETAILED DESCRIPTION

[0029] The first embodiment of the present application is: Please refer to Figures 1-10 , wherein Figure 1 is a structural schematic diagram of the whole of the first embodiment of the present application. Figure 2 is Figure 1 is a partial enlarged view of detail A. Figure 3 is a structural schematic diagram of another angle of the whole of the first embodiment of the present application. Figure 4 is the front view of the first embodiment of the present application. Figure 5 is Figure 4Detail B is a partial enlarged view. Figure 6 Figure 4 Sectional view along A-A direction. Figure 7 Figure 6 Detail C is a partial enlarged view. Figure 8 Figure 6 Detail D is a partial enlarged view. Figure 9 Figure 4 Sectional view along B-B direction. Figure 10 Structure schematic view of controller of first embodiment of the application.

[0030] The application provides a rotary scale, which comprises a scale body 1, a first shaft 2, a mounting disc 3, two supporting plates 4, a bubble glass tube 5, two pointers 6 and an adjusting mechanism 7; the scale body 1 is provided with a first circular groove 101; the scale body 1 is further provided with an angle scale 102; the adjusting mechanism 7 comprises a second shaft 701, a large gear 702, a small gear 703, a worm wheel 704, a worm 705 and a knob 706; the rotary scale further comprises a support 8 and a laser emitter 9; the rotary scale further comprises a light source lamp bead 10, a plurality of transparent connecting columns 11, a circular baffle 12, an infrared distance measuring sensor 13, a controller 14 and a display screen 15; the scale body 1 is further provided with a second circular groove 103; the circular baffle 12 and the second circular groove 103 of the scale body 1 jointly form an annular gap 105; the rotary scale further comprises a storage battery 16; the rotary scale further comprises two damping pads 17; the rotary scale further comprises a magnet 18; the scale body 1 is further provided with a length scale 104; the controller 14 comprises a data receiving module 1401, an operation module 1402 and a data sending module 1403; by adopting the foregoing scheme, a horizontal plane, a vertical plane and inclined planes with different inclination angles can be detected and calibrated.

[0031] Further, the scale body 1 is provided with a first circular groove 101; the first shaft 2 is rotationally arranged in the scale body 1; the mounting disc 3 is fixedly arranged at one end of the first shaft 2 and located in the first circular groove 101; two supporting plates 4 are fixedly arranged on the mounting disc 3 respectively; the bubble glass tube 5 is fixedly arranged between the two supporting plates 4; two pointers 6 are fixedly arranged on the mounting disc 3 respectively; the scale body 1 is further provided with an angle scale 102; the adjusting mechanism 7 is arranged on the scale body 1 and used for driving the first shaft 2 to rotate.

[0032] ​​​​In the embodiment, the ruler body 1 has a hollow installation cavity; the installation disc 3 is rotatably installed in the first circular groove 101 through the first shaft 2; the two supporting plates 4 are used for fixing and installing the bubble glass tube 5, the bubble glass tube 5 contains colorless liquid and has bubbles inside; the adjusting mechanism 7 is used for driving the first shaft 2 to rotate, so as to finally rotate the bubble glass tube 5, synchronously, the two pointers 6 also rotate, and combined with the angle scale 102, it can be known how many degrees the bubble glass tube 5 rotates; the angle scale 102 has 0 scale at both left and right ends and 90 scale at both upper and lower ends.

[0033] In use, when it is needed to know whether a plane is horizontal, the two pointers 6 are made to point to the 0 scale at both left and right sides, at this time, the bubble glass tube 5 is completely parallel to the bottom surface of the ruler body 1, then the bottom surface of the ruler body 1 is placed on the plane to be calibrated, and it is observed whether the bubble is in the center of the bubble glass tube 5, if not, the plane is adjusted until the bubble is in the center. When it is needed to determine a slope with a certain inclination angle and left high right low, the bubble glass tube 5 is rotated by using the adjusting mechanism 7, so that the right pointer 6 is rotated to point to the corresponding required angle on the angle scale 102, then the bottom surface of the ruler body 1 is placed on the slope, and the slope is adjusted until the bubble is in the center, at this time, the slope is calibrated to the required inclination angle; similarly, when it is needed to determine a slope with a certain inclination angle and left low right high, the bubble glass tube 5 is rotated by using the adjusting mechanism 7, so that the left pointer 6 is rotated to point to the corresponding required angle on the angle scale 102, then the bottom surface of the ruler body 1 is placed on the slope, and the slope is adjusted until the bubble is in the center. When it is needed to detect and calibrate a vertical plane, the two pointers 6 are adjusted to rotate to the 90 degree scales at both upper and lower ends of the angle scale 102. In the above manner, a horizontal plane, a vertical plane and a slope with different inclination angles can be detected and calibrated.

[0034] Further, the adjusting mechanism 7 comprises a second shaft 701, a large gear 702, a small gear 703, a worm wheel 704, a worm 705 and a knob 706. The second shaft 701 is rotatably arranged in the ruler body 1; the large gear 702 is fixedly arranged on the first shaft 2; the small gear 703 is fixedly arranged on the second shaft 701 and meshes with the large gear 702; the worm wheel 704 is fixedly arranged on the second shaft 701; the worm 705 is rotatably arranged in the ruler body 1 and meshes with the worm wheel 704; and the knob 706 is fixedly arranged at one end of the worm 705.

[0035] In this embodiment, when the bubble glass tube 5 needs to be rotated, the knob 706 is rotated, the worm 705 is rotated, the worm gear 704 is driven to rotate, the second shaft 701 is driven to rotate, the pinion 703 is driven to rotate, the gear wheel 702 is driven to rotate, and the first shaft 2 is driven to rotate.

[0036] Further, the rotating scale further comprises a support 8 and a laser emitter 9. The support 8 is fixedly arranged on the mounting disc 3, and the laser emitter 9 is fixedly arranged on the support 8.

[0037] In this embodiment, the support 8 is used for mounting the laser emitter 9, the laser emitter 9 is used for emitting a visible laser line, and the emission end is aligned with the center of the mounting disc 3, so that the visible laser line can be used for angle measurement or drawing an angle line. The bottom of the scale body 1 is placed on a plane, then the mounting disc 3 is rotated, the laser emitter 9 is rotated, and the visible laser line is coincided with a scale of the angle scale 102, which represents the angle between the visible laser line and the scale body 1.

[0038] Further, the rotating scale further comprises a light source lamp bead 10, a plurality of transparent connecting columns 11, a circular baffle 12, an infrared distance sensor 13, a controller 14 and a display screen 15. The scale body 1 is further provided with a second circular groove 103, the light source lamp bead 10 is fixedly arranged in the scale body 1, the circular baffle 12 is fixedly arranged in the second circular groove 103 through the plurality of transparent connecting columns 11, the circular baffle 12 and the second circular groove 103 of the scale body 1 jointly form an annular gap 105, the infrared distance sensor 13 is fixedly arranged in the scale body 1, the controller 14 is fixedly arranged in the scale body 1, and the display screen 15 is fixedly arranged on the scale body 1 and located on one side of the controller 14.

[0039] In this embodiment, the plurality of transparent connecting columns 11 support the circular baffle 12, the outer diameter of the circular baffle 12 is slightly smaller than the inner diameter of the second circular groove 103, so that the annular gap 105 is formed therebetween, and the annular gap 105 is still called an annular gap although the plurality of transparent connecting columns 11 cause discontinuity. The light source lamp bead 10 emits light, the light is emitted from the annular gap 105, and then irradiated to a plane parallel to the scale body 1, so that a light ring is projected. The farther the scale body 1 is from the plane, the larger the geometric size of the projected light ring is, and vice versa. It should be noted that the scale body 1 needs to be parallel to the plane on which the light ring is projected. The distance between the light source lamp bead 10 and the circular baffle 12 is fixed, the geometric size of the annular gap 105 is fixed, then the distance between the circular baffle 12 and the plane of the projected light ring can be measured by the infrared distance sensor 13, and then sent to the controller 14, the geometric size of the projected light ring can be calculated, and displayed on the display screen 15, and the light ring can be used to conveniently draw a circle, and an arc line can be drawn on the basis of the circle.

[0040] Further, the rotating scale further comprises a battery 16. The battery 16 is fixedly arranged in the ruler body 1.

[0041] In the embodiment, the battery 16 is used for power supply of the whole, and one side is provided with a charging socket.

[0042] Further, the rotating scale further comprises two shock-absorbing pads 17. The two shock-absorbing pads 17 are respectively fixedly arranged at the left and right ends of the ruler body 1.

[0043] In the embodiment, the two shock-absorbing pads 17 are used for protecting the ruler body 1.

[0044] Further, the rotating scale further comprises a magnet 18. The magnet 18 is fixedly arranged in the ruler body 1.

[0045] In the embodiment, the magnet 18 is arranged so that the ruler body 1 can be placed on some metal inclined surface without being held all the time.

[0046] Further, the ruler body 1 is further provided with a length scale 104.

[0047] In the embodiment, the length scale 104 is used for increasing the functionality of the ruler body 1, Further, the controller 14 comprises a data receiving module 1401, an operation module 1402 and a data sending module 1403; the data receiving module 1401, the operation module 1402 and the data sending module 1403 are connected in sequence. The data receiving module 1401 is used for receiving the data measured by the infrared distance sensor 13 and sending the data to the operation module 1402. The operation module 1402 is used for calculating the geometric size of the light ring projected from the annular gap 105 according to the data measured by the infrared distance sensor 13. The data sending module 1403 is used for sending the geometric size of the light ring to the display screen 15 for display.

[0048] In the embodiment, the data receiving module 1401 is configured to receive the distance between the circular baffle 12 and the plane of the projected light ring measured by the infrared distance measuring sensor 13, and can also preset the distance between the light source lamp bead 10 and the circular baffle 12 and the geometric size of the annular gap 105; facilitate subsequent calculation; the operation module 1402 is configured to calculate the geometric size of the projected light ring, and then the data sending module 1403 sends the calculated geometric size to the display screen 15 for display, for the reference of the user.

[0049] The rotating scale described in the embodiment is used when it is needed to check whether a plane is horizontal, so that both of the two pointers 6 are directed to the 0 scale on the left and right sides, at this time, the bubble glass tube 5 is completely parallel to the bottom surface of the ruler body 1, and then the bottom surface of the ruler body 1 is placed on the plane to be calibrated, and whether the bubble is centered in the bubble glass tube 5 is observed, if not, the plane is adjusted until the bubble is centered. When it is needed to determine a slope with a certain inclination angle and with the left side higher than the right side, the bubble glass tube 5 is rotated by using the adjusting mechanism 7, so that the right pointer 6 is rotated to the required angle on the angle scale 102, and then the bottom surface of the ruler body 1 is placed on the slope, and the slope is adjusted until the bubble is centered, at this time, the slope is calibrated to the required inclination angle; similarly, when it is needed to determine a slope with a certain inclination angle and with the left side lower than the right side, the bubble glass tube 5 is rotated by using the adjusting mechanism 7, so that the left pointer 6 is rotated to the required angle on the angle scale 102, and then the bottom surface of the ruler body 1 is placed on the slope, and the slope is adjusted until the bubble is centered. When it is needed to determine a vertical plane, both of the two pointers 6 are adjusted to the upper and lower 90-degree scales on the angle scale 102. In the above manner, a horizontal plane, a vertical plane and a slope with different inclination angles can be detected and calibrated.

[0050] The second embodiment of the present application is as follows: On the basis of the first embodiment, refer to Figure 11 wherein, Figure 11 is the flowchart of the second embodiment of the present application.

[0051] The control method of the rotating scale provided by the present application comprises the following steps: S1 adjusting the pointer 6 to the required angle by using the adjusting mechanism 7; S2 placing the bottom of the ruler body 1 on the plane to be calibrated; S3 adjusting the plane until the bubble in the bubble glass tube 5 is centered.

[0052] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A rotary scale, characterized in that, it comprises a scale body, a first shaft, a mounting disc, two supporting plates, a bubble glass tube, two pointers and an adjusting mechanism; the scale body is provided with a first circular groove; the first shaft is rotatably arranged in the scale body; the mounting disc is fixedly arranged at one end of the first shaft and located in the first circular groove; the two supporting plates are fixedly arranged on the mounting disc respectively; the bubble glass tube is fixedly arranged between the two supporting plates; the two pointers are fixedly arranged on the mounting disc respectively; the scale body is further provided with an angle scale; and the adjusting mechanism is arranged on the scale body and used for driving the first shaft to rotate. 2.The rotary scale according to claim 1, characterized in that, the adjusting mechanism comprises a second shaft, a large gear, a small gear, a worm wheel, a worm and a knob; the second shaft is rotatably arranged in the scale body; the large gear is fixedly arranged on the first shaft; the small gear is fixedly arranged on the second shaft and engaged with the large gear; the worm wheel is fixedly arranged on the second shaft; the worm is rotatably arranged in the scale body and engaged with the worm wheel; and the knob is fixedly arranged at one end of the worm. 3.The rotary scale according to claim 2, characterized in that, the rotary scale further comprises a support and a laser emitter; the support is fixedly arranged on the mounting disc; and the laser emitter is fixedly arranged on the support. 4.The rotary scale according to claim 3, characterized in that, the rotary scale further comprises a light source lamp bead, a plurality of transparent connecting columns, a circular baffle, an infrared distance sensor, a controller and a display screen; the scale body is further provided with a second circular groove; the light source lamp bead is fixedly arranged in the scale body; the circular baffle is fixedly arranged in the second circular groove through the plurality of transparent connecting columns; the circular baffle and the second circular groove of the scale body jointly form an annular gap; the infrared distance sensor is fixedly arranged in the scale body; the controller is fixedly arranged in the scale body; and the display screen is fixedly arranged on the scale body and located at one side of the controller. 5.The rotary scale according to claim 4, characterized in that, the rotary scale further comprises a storage battery; the storage battery is fixedly arranged in the scale body. 6.The rotary scale according to claim 5, characterized in that, the rotary scale further comprises two shock-absorbing pads; the two shock-absorbing pads are fixedly arranged at left and right ends of the scale body respectively. 7.The rotary scale according to claim 6, characterized in that, the rotary scale further comprises a magnet; the magnet is fixedly arranged in the scale body. 8.The rotary scale according to claim 7, characterized in that, the scale body is further provided with a length scale. 9.The rotary scale according to claim 8, characterized in that, the controller comprises a data receiving module, an operation module and a data sending module; and the data receiving module, the operation module and the data sending module are connected in sequence. The data receiving module is used for receiving the data measured by the infrared distance sensor and sending the data to the operation module; The operation module is used for calculating the geometric size of the light ring projected from the annular gap according to the data measured by the infrared distance sensor; The data sending module is used for sending the geometric size of the light ring to the display screen for display.

10. A control method of a rotary scale, applied to the rotary scale according to claim 1; characterized in that, Comprise: Adjust the pointer to the desired angle by the adjusting mechanism; Put the bottom of the ruler body on the plane to be calibrated; Adjust the plane until the bubble in the bubble glass tube is centered.

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