Automatic recording electronic flexible ruler for diameter measurement

Abstract

The utility model discloses an automatic recording electronic flexible rule for diameter measurement, and relates to the technical field of electronic rulers, the inner wall of a device housing is provided with a cavity, the cavity is internally provided with a measuring assembly for measuring an object, the measuring assembly comprises a Gray code disc, a tape cylinder and a flexible rule body, the top of the Gray code disc is provided with the tape cylinder, and the flexible rule body is arranged on the flexible rule body. A spring chuck is arranged on the inner wall of the measuring tape cylinder, the flexible rule body is located on the outer wall of the measuring tape cylinder, and a spring button is arranged at one end of the flexible rule body. According to the utility model, through the arrangement of the measuring assembly, measured data can be more visually obtained, and the data pulled out of the housing can be automatically rolled into the flexible rule cylinder through the flexible rule cylinder and the spring chuck, so that the service life of the flexible rule is prolonged; and the calculated diameter and perimeter data of the object are provided for a measurer through a display, and the data can be measured and recorded for multiple times, stored and shared through Bluetooth, so that the practicability of the electronic flexible rule is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic ruler technical field, concretely is a diameter measurement with automatic recording electronic soft ruler. BACKGROUND

[0002] Electronic ruler is a kind of tool to measure the size of object using sensor technology and advanced electronic technology. It collects and processes sensor signals, and carries out data processing and calculation, and finally displays the measurement result on liquid crystal screen. Electronic ruler has the characteristics of high precision and convenience, and is widely used in industrial manufacturing, construction and family fields.

[0003] Electronic ruler is generally composed of sensor, signal processor, data processing and calculation, display and output, calibration and other components. Signal processing is carried out by the circuit inside the electronic ruler to process the signal collected by the sensor. Once the signal is converted into digital signal, the processor of the electronic ruler processes and calculates these data. It calculates the length, width and height of the object according to the preset algorithm and measurement mode.

[0004] The soft ruler in the prior art is mainly used for clothing design, human body measurement or construction measurement. It is extremely troublesome to stretch and contract during use, especially the soft ruler is easy to curl, which will cause inaccurate measurement. The tape measure generally only has the function of measuring length, such as measuring chest circumference, hip circumference, head circumference, etc. However, the existing electronic tape measure can measure chest circumference, hip circumference, head circumference and other data. Generally, it is the circumference of human chest, hip and head. If you want to measure the diameter of trees, human chest, hip and head, you need to manually calculate twice. The diameter of the measured object cannot be stored and displayed on the electronic screen, which reduces the experience and practicability of electronic equipment. SUMMARY

[0005] Therefore, the utility model provides a diameter measurement with automatic recording electronic soft ruler to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a diameter measurement with automatic recording electronic soft ruler, including device shell, upper cover, the inner wall of device shell is equipped with cavity, and the cavity is equipped with the measuring assembly for measuring object, the measuring assembly includes gray code disc, tape reel, soft ruler body, the top of gray code disc is equipped with tape reel, and the inner wall of tape reel is equipped with spring chuck, the outer wall of tape reel is located soft ruler body, and one end of soft ruler body is equipped with spring button.

[0007] By adopting the above technical scheme, the measurement data can be obtained more intuitively, so as to reduce the generation of use or reading error, the tape is automatically wound into the tape cylinder outside the shell by the tape cylinder and the spring chuck, manual winding of the tape is not needed, soft tape winding is avoided, the service life of the soft tape is prolonged, the object circumference measured by the Gray code disc is calculated through the setting of the signal processor, the signal processor sets the soft tape measurement diameter equal to the quotient of the measured circumference divided by π in advance, and then the diameter of the measured object is obtained, and the calculated object diameter and circumference data are provided to the measurer through the display.

[0008] The utility model further sets up, be equipped with the recess in the cavity, and the inner wall of recess moves and installs gray code disc, and gray code disc is connected with tape cylinder.

[0009] By adopting the above technical scheme, the Gray code disc transmits data to the signal processor, the recess is set to effectively limit the position of the Gray code disc, and the signal processor is arranged in the device shell 1.

[0010] The utility model further sets up, one end of spring button is located at the outer surface of device shell, and the other end of spring button is equipped with limiting block, and spring button and limiting block are equipped with soft tape body between.

[0011] By adopting the above technical scheme, the position of the soft tape body is effectively limited, displacement of the soft tape body is avoided, and the stability and precision of equipment measurement are improved.

[0012] The utility model further sets up, the outer wall of tape cylinder is equipped with soft tape body, and one end of soft tape body is equipped with connecting block.

[0013] By adopting the above technical scheme, the connecting block limits the position of the soft tape body, and the connecting block is located on the outer wall of the device shell, which is also convenient for the user to pull the soft tape body.

[0014] The utility model further sets up, the bottom of limiting block is fixedly installed on the inner wall of device shell, and one end of limiting block close to soft tape body is equipped with rubber layer.

[0015] By adopting the above technical scheme, the outer surface of the soft tape body is protected, and the service life of the soft tape body is effectively prolonged.

[0016] The utility model further sets up, the bottom of upper cover can also be equipped with multiple positioning blocks, and the top of device shell is equipped with multiple installation grooves, and the positioning block and the installation groove are engaged.

[0017] By adopting the above technical scheme, multiple positioning blocks are added to the bottom of the upper cover, so that the device shell and the upper cover are engaged, and maintenance is facilitated.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] The utility model discloses a setting measurement assembly can be more intuitive to obtain measurement data, thereby reduce the use or reading error's generation, through the spring chuck and the tape measure cylinder, the automatic winding of the pullout shell is rolled into the tape measure cylinder, and the tape measure is not needed to be rolled manually, avoids the soft ruler winding, prolongs the service life of the soft ruler.

[0020] The utility model discloses a setting signal processor calculates the object perimeter measured by gray code disc, and the signal processor sets the soft ruler measurement diameter equal to the quotient of the measured perimeter by pi in advance, and then obtains the diameter of the measured object, and provides the object diameter and perimeter data calculated to the measurer through the display. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the side surface three -dimensional schematic view of the utility model.

[0022] Figure 2 It is the measurement assembly position schematic view of the utility model.

[0023] Figure 3 It is the gray code disc position schematic view of the utility model.

[0024] Figure 4 It is the tape measure cylinder, spring chuck structure schematic view of the utility model.

[0025] Figure 5 It is the positioning block, installation slot connection schematic view of the utility model.

[0026] In the drawing: 1, device shell, 2, upper cover, 3, cavity, 6, measurement assembly, 60, recess, 61, gray code disc, 62, tape measure cylinder, 63, spring chuck, 64, soft ruler body, 65, limit block, 66, spring button, 8, positioning block, 9, installation slot, 10, connecting block. DETAILED DESCRIPTION

[0027] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings of the utility model embodiment. The embodiment described below is exemplary and is used for explaining the utility model, and can not be understood as limiting the utility model.

[0028] The embodiment will be described below according to the overall structure of the utility model. Embodiment one

[0029] An automatic recording electronic soft ruler for diameter measurement, like Figure 1 - Figure 5As shown, the inner wall of the device housing 1 is provided with a cavity 3, and the cavity 3 is provided with a measuring assembly 6 for measuring the object, the measuring assembly 6 comprises a Gray code disc 61, a tape reel 62, a soft ruler body 64, the top of the Gray code disc 61 is provided with the tape reel 62, and the inner wall of the tape reel 62 is provided with a spring chuck 63, the soft ruler body 64 is located on the outer wall of the tape reel 62, and one end of the soft ruler body 64 is provided with a spring button 66. Through the setting of the measuring assembly 6, the measurement data can be obtained more intuitively, thereby reducing the occurrence of use or reading error. The tape reel 62 and the spring chuck 63 automatically wind the tape out of the shell into the tape reel 62, without manually winding the tape, avoiding soft ruler winding, prolonging the service life of the soft ruler. The utility model discloses through the setting of the signal processor, the object circumference measured by the Gray code disc 61 is calculated, the signal processor sets the diameter equal to the quotient of the circumference divided by π in advance, and then the diameter of the measured object is obtained, and the calculated object diameter and circumference data are provided to the measurer through the display or the Bluetooth sharing module, thereby effectively improving the practical function of the electronic soft ruler.

[0030] Please refer to Figure 3 , the cavity 3 is provided with a groove 60, and the inner wall of the groove 60 is movably provided with a Gray code disc 61, and the Gray code disc 61 is connected with the tape reel 62. Through the rotation of the tape reel 62, the Gray code disc 61 is rotated, and then the Gray code disc 61 transmits data to the signal processor. The setting of the groove 60 effectively limits the position of the Gray code disc 61. The connection between the Gray code disc 61 and the signal processor in the electronic ruler utilizes the principle of electromagnetic induction. The Gray code disc 61 has some magnetic regions. The arrangement of these magnetic regions represents the Gray code information. Near the Gray code disc, there is an induction coil. When the Gray code disc 61 rotates or moves, the magnetic regions will change the magnetic field in the induction coil, thereby generating an induced current in the coil. The change of the induced current represents the Gray code information. The induction coil is installed near the Gray code disc 61, so that it can sense the magnetic field change of the magnetic regions on the Gray code disc 61. The output end of the induction coil is connected to the input port of the signal processor through a wire. When the Gray code disc 61 rotates or moves, an induced current will be generated in the induction coil. This current signal will be transmitted to the signal processor for processing.

[0031] Please refer to Figure 1 , Figure 5 , the top of the device housing 1 is provided with an upper cover 2, and the outer wall of the upper cover 2 is provided with a driving switch and a clear button. Pressing the clear button once corrects the recorded data. Pressing the clear button twice in succession stores the recorded data. Pressing the clear button for ten seconds clears all data. The device is started and stopped, so that the device has the functions of correction, storage and clearing. The outer surface of the upper cover 2 also has a display screen. The setting of the clear button facilitates repeated use of the device, thereby making the device more intelligent.

[0032] Please refer to Figure 1 , Figure 2 and Figure 5 , one end of the spring button 66 is located on the outer surface of the device shell 1, and the other end of the spring button 66 is provided with a limiting block 65, and a soft ruler body 64 is arranged between the spring button 66 and the limiting block 65. The spring button 66, the limiting block 65 and the soft ruler body 64 are effectively limited, and the end of the spring button 66 close to the soft ruler body 64 is provided with a spring. When the staff manually pulls the spring button 66, the spring in the device shell 1 retracts to release the limitation of the soft ruler body 64. When the staff does not pull the spring button 66, the spring expands so that the soft ruler body 64 is located between the limiting block 65 and the spring button 66, avoiding displacement of the soft ruler body 64, improving the stability and precision of the equipment measurement.

[0033] Please refer to Figure 1 , Figure 5 , the outer wall of the tape measure cylinder 62 is provided with a soft ruler body 64, and one end of the soft ruler body 64 is provided with a connecting block 10. The connecting block 10 limits the position of the soft ruler body 64, and the connecting block 10 is located on the outer wall of the device shell 1, which is convenient for the user to pull the soft ruler body 64.

[0034] Please refer to Figure 2 , the signal processor is provided with a recording unit, a calculation unit, a storage unit and a Bluetooth sharing module. The recording unit in the signal processor is used to record the length signal generated by the elongation of the soft ruler body 64. The calculation unit calculates the diameter according to the length signal. The diameter measured by the soft ruler is equal to the quotient of the measured circumference divided by π. The storage unit can record multiple measurement data. Finally, the data is transmitted to the display screen through electrical connection, which is convenient for the user to analyze and compare the data.

[0035] Please refer to Figure 2 , Figure 5 , the bottom of the limiting block 65 is fixedly installed on the inner wall of the device shell 1, and one end of the limiting block 65 close to the soft ruler body 64 is provided with a rubber layer to limit the position of the soft ruler body 64. The setting of the rubber layer protects the outer surface of the soft ruler body 64, effectively prolongs the service life of the soft ruler body 64. Example two

[0036] Please refer to Figure 5 , the difference between example two and example one is that a plurality of positioning blocks 8 are added at the bottom of the upper cover 2 based on the retention of example one, so that the device shell 1 and the upper cover 2 are clamped together, which is convenient for later maintenance and disassembly:

[0037] The bottom of the upper cover 2 is provided with a plurality of positioning blocks 8, and the top of the device shell 1 is provided with a plurality of mounting grooves 9, and the number of the positioning blocks 8 and the mounting grooves 9 is same, the positioning blocks 8 are located on the inner wall of the mounting grooves 9, the positioning blocks 8 and the mounting grooves 9 are clamped, so that the device shell 1 and the upper cover 2 are installed, and the service life of the equipment is improved.

[0038] The working principle of the utility model is:

[0039] When the equipment needs to be used to measure the diameter of the tree, the user presses the driving switch 4 to start the electronic soft ruler, then the user presses the spring button 66, the spring button 66 is pressed, the spring button 66 is driven to move to one end, so that the soft ruler body 64 is separated from the pressure contact, the user pulls out the soft ruler body 64 from the cavity 3;

[0040] When the user pulls out the soft ruler body 64, the soft ruler body 64 drives the tape reel 62 to rotate, the tape reel 62 drives the spring chuck 63 to rotate, so that the Gray code disc 61 rotates, and the Gray code disc 61 records the number of turns and the angle of the tape reel 62, and transmits the data to the signal processor, the length of the pulled-out soft ruler body 64 is calculated through the signal processor 7, the circumference of the measured object is obtained, and the signal processor 7 calculates the circumference data, and the diameter is calculated according to the length signal through the setting of the calculation unit in the signal processor, the diameter is equal to the quotient of the circumference divided by π, finally the circumference and diameter data obtained by calculation are displayed on the display through the signal processor 7, and the user can observe and record, secondly, if other objects or the object need to be measured again, press the zero reset button once to correct the recorded data, press the zero reset button twice to store the recorded data, and press the zero reset button for ten seconds to clear all data, so that the equipment has the functions of correction, storage and zero reset, the outer surface of the upper cover 2 is also provided with a display screen and a zero reset button 5, so that the user can operate repeatedly, and the equipment is more flexible and intelligent.

[0041] Further, the top of the device shell 1 is provided with the upper cover 2, and the upper cover 2 is clamped with the mounting groove 9 on the top of the device shell 1 through the positioning block 8, so that the equipment is convenient for later maintenance and disassembly, the outer wall of the device shell 1 is provided with a connecting block 10, one end of the connecting block 10 is connected with the soft ruler body 64, and the material of the connecting block 10 is magnet, so that the position of the soft ruler body 64 is limited, and the setting of the connecting block 10 also facilitates people to pull out the soft ruler body 64.

[0042] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An automatic recording electronic tape measure for diameter measurement, comprising a device housing (1) and an upper cover (2), characterized in that: The inner wall of the device housing (1) is provided with a cavity (3), and a measuring assembly (6) for measuring an object is provided in the cavity (3), the measuring assembly (6) comprising a Gray code disk (61), a tape measure tube (62), and a flexible ruler body (64), the top of the Gray code disk (61) is provided with a tape measure tube (62), and the inner wall of the tape measure tube (62) is provided with a spring chuck (63), the flexible ruler body (64) is located on the outer wall of the tape measure tube (62), and a spring button (66) is provided at one end of the flexible ruler body (64).

2. The automatic recording electronic tape measure for diameter measurement according to claim 1, characterized in that: A groove (60) is provided in the cavity (3), and a Gray code disk (61) is movably mounted on the inner wall of the groove (60).

3. The automatic recording electronic tape measure for diameter measurement according to claim 1, characterized in that: One end of the spring button (66) is located on the outside of the device housing (1), and the other end of the spring button (66) is provided with a limit block (65), and a soft ruler body (64) is provided between the spring button (66) and the limit block (65).

4. The automatic recording electronic tape measure for diameter measurement according to claim 1, characterized in that: The outer wall of the tape measure tube (62) is provided with a tape measure body (64), and one end of the tape measure body (64) is provided with a connecting block (10).

5. The automatic recording electronic tape measure for diameter measurement according to claim 3, characterized in that: The bottom of the limit block (65) is fixedly mounted on the inner wall of the device housing (1), and a rubber layer is provided at one end of the limit block (65) close to the tape measure body (64).

6. The automatic recording electronic tape measure for diameter measurement according to claim 1, characterized in that: The bottom of the upper cover (2) may also be provided with multiple groups of positioning blocks (8), and the top of the device housing (1) may be provided with multiple groups of mounting grooves (9), and the positioning blocks (8) and the mounting grooves (9) are engaged with each other.

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