Portable measuring scale for engineering surveying and mapping
By introducing laser ranging sensors and replaceable scale bars into the portable measuring ruler, combined with LED light boards, the problem that portable measuring ruler cannot be measured for a long distance is solved, and the functions of long distance measurement and night lighting are realized, improving the applicability of the measuring ruler.
Patent Information
- Application Number
- CN202422812434.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-19
AI Technical Summary
When ensuring portability, the existing portable measuring scales are limited in range, unable to take into account long-distance measurements, and lack night lighting functions.
It adopts laser ranging sensor, replaceable scale bar and LED light panel design, combined with aluminum alloy shell and internal components to achieve long-distance measurement and night lighting.
It realizes the function of taking into account long-distance measurement, supports scale area replacement, has night lighting capabilities, and improves the applicability and practicality of the measuring ruler.
Smart Images

Figure CN223271773U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of measuring tools, in particular to a portable measuring ruler for engineering surveying and mapping. Background Art
[0002] The measuring ruler is a commonly used tool in engineering surveying and mapping, especially in the surveying and mapping of construction projects. It measures and maps the internal structure to facilitate the later pipeline and road design.
[0003] Currently, the portable measuring rulers commonly used in engineering surveying and mapping on the market are mostly similar in structure. They are generally spirit levels. The aluminum alloy ruler body is equipped with a bubble level and scale lines, which makes it convenient to measure dimensions while simultaneously observing the horizontal state. However, there are some functional deficiencies in actual use, and there is room for improvement. For example, portable measuring rulers are usually small in size. While ensuring portability, their measuring range is limited. When measuring large indoor spaces, there are shortcomings and they do not have the function of taking into account long-distance measurements.
[0004] Now, a new type of portable measuring ruler for engineering surveying and mapping is proposed to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a portable measuring ruler for engineering surveying and mapping, so as to solve the problem in the above-mentioned background technology that the ruler does not have the function of taking into account long-distance measurement.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a portable measuring ruler for engineering surveying and mapping, comprising an aluminum alloy shell, a bubble level fixedly connected to the middle position of the top of the aluminum alloy shell, ruler bar reserved grooves respectively provided at the bottoms of the front and rear ends of the aluminum alloy shell, the ruler bar reserved grooves are respectively provided with fixing screw eyes on the left and right sides of one end of the aluminum alloy shell, a scaled ruler is horizontally placed inside the ruler bar reserved groove, rack reserved screw eyes are respectively provided on the left and right sides of one end of the scaled ruler, fixing screws are inserted into the rack reserved screw eyes, and a distance measuring component capable of measuring long distances is provided inside the aluminum alloy shell.
[0007] The ranging component includes a lithium battery, which is fixedly connected to the left side of the interior of the aluminum alloy shell. A laser ranging sensor is fixedly connected to the right side of the interior of the aluminum alloy shell. A main control circuit board is installed between the laser ranging sensor and one side of the main control circuit board. The front end of the main control circuit board is fixedly connected to a control panel. A USB charging port is provided on the left side of the front end of the control panel. A sensor switch key is provided at the middle position of the front end of the control panel. The front end of the laser ranging sensor is fixedly connected to a liquid crystal display. A display screen reserved slot is provided on the right side of the front end of the aluminum alloy shell, and a panel reserved slot is provided at the middle position of the front end of the aluminum alloy shell.
[0008] Preferably, the laser ranging sensor, main control circuit board, lithium battery, and control panel are electrically connected, and the right side of the laser ranging sensor is flush with the right side of the aluminum alloy housing.
[0009] Preferably, the positions and sizes of the liquid crystal display screen and the reserved through slot of the display screen correspond to each other, and the front end of the liquid crystal display screen is flush with the front end of the aluminum alloy shell.
[0010] Preferably, the positions and sizes of the control panel and the reserved through slots on the panel correspond to each other, and the front end of the control panel is flush with the front end of the aluminum alloy shell.
[0011] Preferably, the shape and size of the outer portion of the scale bar are adapted to the shape and size of the inner portion of the reserved groove of the scale bar, and the fixing screw passes through the reserved screw eye of the rack and extends into the interior of the fixing screw eye.
[0012] Preferably, a lampshade fixing groove is provided on the left side of the top of the aluminum alloy shell, a concave soft light cover is fixedly connected between the two sides inside the lampshade fixing groove, the bottom end of the concave soft light cover is glued with an LED light board, the bottom end of the LED light board is movably connected to the light board wiring, a light board switch is provided on the right side of the front end of the control panel, the bottom end of the light board wiring is connected to the main control circuit board, the LED light board and the lampshade fixing groove are electrically connected, and the top ends of the aluminum alloy shell and the concave soft light cover are flush.
[0013] Compared with the existing technology, the beneficial effects of the present invention are: the portable measuring ruler for engineering surveying and mapping not only realizes the function of taking into account long-distance measurement, but also realizes the function of replaceable scale area and the function of night illumination;
[0014] (1) By providing a laser distance measuring sensor, a main control circuit board, a lithium battery, a control panel, a USB charging port, a sensor switch, an LCD screen, a reserved slot for the display screen and a reserved slot for the panel, when in use, when conducting internal measurement and mapping of an engineering building, the aluminum alloy shell is attached to the wall, and the scale on the scale bar can directly measure the precise size of the corresponding position. When long-distance measurement is required, the aluminum alloy shell is attached to the wall, the laser distance measuring sensor is turned on by the sensor switch, and the distance is measured by the laser of the laser distance measuring sensor. The actual value is displayed on the LCD screen, and the USB charging port on the control panel is convenient for charging the lithium battery, thereby realizing the function of taking into account long-distance measurement;
[0015] (2) By providing a reserved groove for the ruler, a fixing screw eye, a scale ruler, a reserved screw eye for the rack and a fixing screw, when in use, the scale ruler serves as the basic scale of the measuring ruler, which can meet the measurement needs of short distances. When the scale on the surface of the scale ruler is worn and unclear, it can be replaced by loosening and pulling out the fixing screw. As the fixing screw is separated from the fixing screw eye, the scale ruler can be removed from the reserved groove of the ruler ruler for replacement, thus realizing the function of the scale area being replaceable;
[0016] (3) By providing a concave soft light cover, an LED light board, a light board wiring, a light cover fixing slot and a light board switch, when in use, in a scene with insufficient light, the LED light board can be turned on by pressing the light board switch. The LED light board emits light, and after being softened by the concave soft light cover, it illuminates the working environment, facilitates the surveying and mapping work, and realizes the function of night lighting. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a front view structural diagram of the utility model;
[0018] Figure 2 This is a schematic diagram of the front view structure of the aluminum alloy shell of the present utility model;
[0019] Figure 3 This is a schematic diagram of the main control circuit board structure of the present invention;
[0020] Figure 4 This is a schematic diagram of the enlarged side view of the concave soft light cover of the present invention.
[0021] In the figure: 1. Aluminum alloy shell; 2. Bubble level; 3. Laser distance sensor; 4. Main control circuit board; 5. Lithium battery; 6. Control panel; 7. USB charging port; 8. Sensor power switch; 9. LCD screen; 10. Reserved slot for display screen; 11. Reserved slot for panel; 12. Reserved groove for ruler; 13. Fixing screw eye; 14. Scale bar with scale; 15. Reserved screw eye for rack; 16. Fixing screw; 17. Concave soft light cover; 18. LED light board; 19. Light board wiring; 20. Lamp cover fixing slot; 21. Light board power switch. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] Example 1: Please refer to Figure 1-4 A portable measuring ruler for engineering surveying and mapping comprises an aluminum alloy shell 1, a bubble level 2 is fixedly connected to the middle position of the top of the aluminum alloy shell 1, and a distance measuring component capable of measuring long distances is arranged inside the aluminum alloy shell 1;
[0024] See also Figure 1-4 A portable measuring ruler for engineering surveying and mapping also includes a distance measuring component, which includes a lithium battery 5. The lithium battery 5 is fixedly connected to the left side of the interior of the aluminum alloy shell 1. A laser distance measuring sensor 3 is fixedly connected to the right side of the interior of the aluminum alloy shell 1. A main control circuit board 4 is installed between the laser distance measuring sensor 3 and one side of the main control circuit board 4. A control panel 6 is fixedly connected to the front end of the main control circuit board 4. A USB charging port 7 is provided on the left side of the front end of the control panel 6. A sensor switch key 8 is provided at the middle position of the front end of the control panel 6. A liquid crystal display 9 is fixedly connected to the front end of the laser distance measuring sensor 3. A display screen reserved slot 10 is opened on the right side of the front end of the aluminum alloy shell 1, and a panel reserved slot 11 is opened at the middle position of the front end of the aluminum alloy shell 1.
[0025] The laser ranging sensor 3, the main control circuit board 4, the lithium battery 5, and the control panel 6 are electrically connected. The right side of the laser ranging sensor 3 is flush with the right side of the aluminum alloy shell 1. The position and size of the LCD screen 9 and the reserved slot 10 for the screen correspond one to one. The front end of the LCD screen 9 is flush with the front end of the aluminum alloy shell 1. The position and size of the control panel 6 and the reserved slot 11 for the panel correspond one to one. The front end of the control panel 6 is flush with the front end of the aluminum alloy shell 1, which can take into account the needs of long-distance measurement.
[0026] Specifically, if Figure 1 、 Figure 2 and Figure 3 As shown, the aluminum alloy shell 1 is attached to the wall, the laser ranging sensor 3 is turned on by the sensor switch 8, the distance is measured by the laser of the laser ranging sensor 3, the LCD screen 9 displays the actual value, and the USB charging port 7 on the control panel 6 is convenient for charging the lithium battery 5.
[0027] Example 2: The bottom of the front and rear ends of the aluminum alloy shell 1 are respectively provided with a ruler reserved groove 12, and the left and right sides of the ruler reserved groove 12 near one end of the aluminum alloy shell 1 are respectively provided with fixing screw eyes 13, and a scaled ruler 14 is horizontally placed inside the ruler reserved groove 12. The left and right sides of one end of the scaled ruler 14 are respectively provided with a rack reserved screw eye 15, and a fixing screw 16 is inserted into the rack reserved screw eye 15. The shape and size of the outer surface of the scaled ruler 14 are adapted to the shape and size of the inner surface of the ruler reserved groove 12. The fixing screw 16 passes through the rack reserved screw eye 15 and extends into the interior of the fixing screw eye 13, so that the scale area can be easily replaced.
[0028] Specifically, if Figure 1 and Figure 2 As shown, the fixing screw 16 is loosened and pulled out. As the fixing screw 16 is disengaged from the fixing screw eye 13, the scale bar 14 can be removed from the scale bar reserved groove 12 for replacement.
[0029] Example 3: A lampshade fixing groove 20 is provided on the left side of the top of the aluminum alloy shell 1, and a concave soft light cover 17 is fixedly connected between the two sides of the inside of the lampshade fixing groove 20. The bottom end of the concave soft light cover 17 is glued with an LED light board 18, and the bottom end of the LED light board 18 is movably connected to the light board wiring 19. A light board switch key 21 is provided on the right side of the front end of the control panel 6. The bottom end of the light board wiring 19 is connected to the main control circuit board 4. The LED light board 18 and the lampshade fixing groove 20 are electrically connected. The aluminum alloy shell 1 and the top of the concave soft light cover 17 are flush, which is convenient for use in scenes with insufficient light.
[0030] Specifically, if Figure 1 and Figure 4 As shown, pressing the light board switch 21 turns on the LED light board 18, and the LED light board 18 emits light, which is softened by the concave soft light cover 17 to illuminate the working environment, making it easier to carry out surveying and mapping work.
[0031] Working Principle: When using the present invention, first, when conducting internal surveying and mapping of an engineering building, the aluminum alloy housing 1 is placed against the wall. The scale on the graduated scale strip 14 can directly measure the precise size of the corresponding position. When long-distance measurement is required, the aluminum alloy housing 1 is placed against the wall, the laser distance sensor 3 is turned on by the sensor switch 8, and the distance is measured by the laser of the laser distance sensor 3. The LCD screen 9 displays the actual value, and the USB charging port 7 on the control panel 6 is convenient for charging the lithium battery 5. The graduated scale strip 14 serves as the basic scale of the measuring ruler and can meet the needs of short-distance measurement. When the scale on the surface of the graduated scale strip 14 is worn and unclear, it can be replaced by loosening and withdrawing the fixing screw 16. As the fixing screw 16 disengages from the fixing screw eye 13, the graduated scale strip 14 can be removed from the reserved groove 12 of the scale strip for replacement. In low-light scenarios, the LED light panel 18 can be turned on by pressing the light panel switch 21. The LED light panel 18 emits light, which is softened by the concave soft light cover 17 to illuminate the working environment, facilitating surveying and mapping work.
[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A portable measuring ruler for engineering surveying and mapping, comprising an aluminum alloy housing (1), characterized in that: A bubble level (2) is fixedly connected to the middle position of the top of the aluminum alloy shell (1), and ruler reserved grooves (12) are respectively provided at the bottoms of the front and rear ends of the aluminum alloy shell (1), and fixing screw eyes (13) are respectively provided on the left and right sides of one end of the ruler reserved groove (12) near the aluminum alloy shell (1), and a scaled ruler (14) is horizontally placed inside the ruler reserved groove (12), and rack reserved screw eyes (15) are respectively provided on the left and right sides of one end of the scaled ruler (14), and fixing screws (16) are inserted into the rack reserved screw eyes (15), and a distance measuring component capable of measuring long distances is provided inside the aluminum alloy shell (1); The distance measuring component comprises a lithium battery (5), the lithium battery (5) is fixedly connected to the left side of the interior of the aluminum alloy shell (1), a laser distance measuring sensor (3) is fixedly connected to the right side of the interior of the aluminum alloy shell (1), a main control circuit board (4) is installed between the laser distance measuring sensor (3) and one side of the main control circuit board (4), a control panel (6) is fixedly connected to the front end of the main control circuit board (4), a USB charging port (7) is provided on the left side of the front end of the control panel (6), a sensor switch key (8) is provided at the middle position of the front end of the control panel (6), a liquid crystal display (9) is fixedly connected to the front end of the laser distance measuring sensor (3), a display screen reserved slot (10) is provided on the right side of the front end of the aluminum alloy shell (1), and a panel reserved slot (11) is provided at the middle position of the front end of the aluminum alloy shell (1).
2. The portable measuring ruler for engineering surveying and mapping according to claim 1, characterized in that: The laser distance sensor (3), the main control circuit board (4), the lithium battery (5), and the control panel (6) are electrically connected, and the right side of the laser distance sensor (3) is flush with the right side of the aluminum alloy housing (1).
3. The portable measuring ruler for engineering surveying and mapping according to claim 1, characterized in that: The positions and sizes of the liquid crystal display screen (9) and the reserved through slot (10) of the display screen correspond to each other, and the front end of the liquid crystal display screen (9) is flush with the front end of the aluminum alloy housing (1).
4. The portable measuring ruler for engineering surveying and mapping according to claim 1, characterized in that: The positions and sizes of the control panel (6) and the reserved through slot (11) of the panel correspond one to one, and the front end of the control panel (6) is flush with the front end of the aluminum alloy housing (1).
5. The portable measuring ruler for engineering surveying and mapping according to claim 1, characterized in that: The shape and size of the outer portion of the scale bar (14) are adapted to the shape and size of the inner portion of the scale bar reserved groove (12); the fixing screw (16) passes through the rack reserved screw eye (15) and extends into the interior of the fixing screw eye (13).
6. The portable measuring ruler for engineering surveying and mapping according to claim 1, characterized in that: A lampshade fixing groove (20) is provided on the left side of the top of the aluminum alloy shell (1), a concave soft light cover (17) is fixedly connected between the two sides inside the lampshade fixing groove (20), an LED light board (18) is glued to the bottom end of the concave soft light cover (17), and a light board wiring (19) is movably connected to the bottom end of the LED light board (18), a light board switch (21) is provided on the right side of the front end of the control panel (6), the bottom end of the light board wiring (19) is connected to the main control circuit board (4), the LED light board (18) and the lampshade fixing groove (20) are electrically connected, and the top ends of the aluminum alloy shell (1) and the concave soft light cover (17) are flush.