CN219368617U

CN219368617U - Electronic measuring instrument

Info

Publication number: CN219368617U
Application number: CN202320711020.4U
Authority: CN
Inventors: 谢柳辉; 蔡延彬; 吕浩; 冯永康; 谢海波; 陈绪荃; 刘剑桢; 李文振; 李朝; 陈凯正; 林志旭
Original assignee: Guangdong Institute Of Special Equipment Inspection And Research Dongguan Branch
Current assignee: Guangdong Institute Of Special Equipment Inspection And Research Dongguan Branch
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-18
Anticipated expiration: 2033-03-31

Abstract

The utility model belongs to the field of measuring instruments, and particularly relates to an electronic measuring instrument. Comprises a first ruler, a second ruler and an angle detector; the upper ends of the first ruler and the second ruler are provided with hinge parts so that the first ruler is hinged to the second ruler, a first ruler tip of the first ruler and a second ruler tip of the second ruler can be mutually abutted, a zero scale is positioned at the first ruler tip or the second ruler tip, and the angle detector is arranged on the first ruler and used for measuring an included angle alpha between the first ruler and the second ruler. The user rotates the first ruler and the second ruler towards opposite directions, so that the first ruler tip and the second ruler tip are respectively positioned on two endpoints of the required measuring distance, and the angle detector calculates and finally displays the distance between the first ruler tip and the second ruler tip by detecting the included angle alpha between the first ruler and the second ruler, so that the measurement of the distance to be measured is completed. Convenient and fast to use, and simple structure, the user is convenient for store and carry.

Description

Electronic measuring instrument

Technical Field

The utility model belongs to the field of measuring instruments, and particularly relates to an electronic measuring instrument.

Background

In the industrial production process, cylindrical shaft workpieces are commonly arranged, and a user usually needs to detect the diameter of the shaft workpiece and configure proper parts, so that the parts are assembled to form a better effect. In the past, the diameter of shafts is usually measured manually, the operation is inconvenient and the error is large, and currently, diameter measuring tools capable of improving the measuring precision gradually appear to meet the demands of people.

Chinese patent No. CN202110838360.9, 2021, 8 and 20 discloses a diameter measuring device, which comprises a frame, support rods for positioning and supporting the surface of a workpiece to be measured in a measuring state, and first elastic measuring units symmetrically arranged at two sides of the support rods at intervals. The first elastic measuring unit comprises a first measuring end and a second measuring end, wherein the first measuring end is used for elastically abutting against a target section of a workpiece to be measured in a measuring state so as to measure the dimension parameter of the target section; the second elastic measuring unit is fixed at the first measuring end and comprises a second measuring end which is arranged at intervals with the first measuring end in the axial direction of the workpiece to be measured and is used for measuring the difference value of the dimensional parameters of other sections of the workpiece to be measured and the target section. The utility model provides a measuring device for shaft workpieces, which is high in applicability and measuring efficiency.

However, the utility model has the following technical problems: the diameter measuring device has a complex structure, and the components are closely related, so that the diameter measuring device is easy to damage due to collision in the carrying and using processes, and has higher requirements on use, storage and carrying of users.

Disclosure of Invention

The utility model aims to provide an electronic measuring instrument, which aims to solve the technical problems that a diameter measuring device in the prior art is complex in structure and is not beneficial to use, storage and carrying of users.

In order to achieve the above object, an electronic measuring instrument provided by the embodiment of the utility model includes a first ruler, a second ruler and an angle detector; the upper ends of the first ruler and the second ruler are provided with hinge parts so that the first ruler is hinged to the second ruler, a first ruler tip of the first ruler and a second ruler tip of the second ruler can be mutually abutted, a zero scale is positioned at the first ruler tip or the second ruler tip, and the angle detector is arranged on the first ruler and used for measuring an included angle alpha between the first ruler and the second ruler.

Optionally, two hinge parts are provided with hinge holes, and a hinge shaft penetrates through the two hinge holes, so that the first ruler and the second ruler can rotate around the hinge shaft.

Optionally, the angle detector is provided with a hinge position, the hinge shaft penetrates through the hinge position, and the angle detector is arranged on the first ruler and rotates around the hinge shaft simultaneously with the first ruler.

Optionally, the angle detector is provided with an angle sensor, a display screen, an "ON/OFF" function key, a "0" function key, an "a" function key and an "L" function key; the angle sensor is electrically connected with the display screen, the display screen is used for displaying detected numerical values, the ON/OFF function key is used for opening and closing the angle detector, the 0 function key is used for clearing, the A function key is used for displaying the angle of an included angle alpha between the first ruler and the second ruler, and the L function key is used for displaying a distance R2 between the first ruler tip and the second ruler tip.

Optionally, the "ON/OFF" function key, the "0" function key, the "a" function key, and the "L" function key are all protruding from the upper surface of the angle detector.

Optionally, the zero scale value of the angle detector is located at the first tip and the maximum scale value is located at the center of the hinge.

Optionally, an included angle α between the first ruler and the second ruler is greater than or equal to 0 ° and less than or equal to 180 °.

Optionally, the middle sections of the first ruler and the second ruler are both provided with holding parts.

Optionally, the lower sections of the first ruler and the second ruler are bent to be arc-shaped and enclose a placing groove for placing the measured object.

Optionally, the first and second points are equidistant from the hinge center.

Compared with the prior art, the one or more technical schemes in the electronic measuring instrument provided by the embodiment of the utility model have at least one of the following technical effects: when the angle detector is used by a user, the first ruler and the second ruler are rotated in opposite directions, so that the first ruler tip and the second ruler tip are respectively positioned on two endpoints of a required measuring distance, the angle detector calculates and finally displays the distance between the first ruler tip and the second ruler tip by detecting the included angle alpha between the first ruler and the second ruler, the distance to be measured is measured, the use is convenient and fast, the structure is simple, and the user is convenient to store and carry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an electronic measuring instrument according to the present utility model.

Fig. 2 is a schematic structural diagram of a measuring shaft of the electronic measuring instrument of the present utility model.

Fig. 3 is a schematic view of the structure of the angle detector.

Wherein, each reference sign in the figure:

a first ruler 100; a first tip 101; a second ruler 110; a second tip 111; a hinge 120; a hinge hole 121; a placement groove 130; a grip 140;

an angle detector 200; hinge position 201; an upper surface 202; an angle sensor 203; a display screen 210; an "ON/OFF" function key 220; a "0" function key 230; "A" function key 240; an "L" function key 250.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1, an electronic measuring instrument is provided, which includes a first rule 100, a second rule 110, and an angle detector 200, wherein the first rule 100 and the second rule 110 are used for locating end points of a measured object, and the angle detector 200 calculates and displays the length of the measured object according to the relative rotation angle of the first rule 100 and the second rule 110.

Specifically, as shown in fig. 1, the upper ends of the first and second scales 100 and 110 are provided with hinge parts 120 so that the first scale 100 is hinged to the second scale 110 and can rotate relative to the second scale 110. The first tip 101 of the first rule 100 and the second tip 111 of the second rule 110 may be abutted against each other, and when the first tip 101 and the second tip 111 are abutted against each other, the utility model is in a state to be detected, and the state is stable, so that the utility model is convenient for a user to store or carry.

Preferably, as shown in fig. 2, a zero scale is located on the first tip 101 or the second tip 111, and the angle detector 200 is disposed on the first scale 100 and is used for measuring the angle α between the first scale 100 and the second scale 110.

Compared with the prior art, the one or more technical schemes in the electronic measuring instrument provided by the embodiment of the utility model have at least one of the following technical effects: when the user uses the angle sensor 200, the first ruler 100 and the second ruler 110 are rotated in opposite directions, so that the first ruler tip 101 and the second ruler tip 111 are respectively positioned on two endpoints of a required measuring distance, and the angle sensor 200 calculates and finally displays the distance between the first ruler tip 101 and the second ruler tip 111 by detecting the included angle alpha between the first ruler 100 and the second ruler 110, so as to complete the measurement of the distance to be measured. Convenient and fast to use, and simple structure, the user is convenient for store and carry.

Further, as shown in fig. 1, the two hinge parts 120 are provided with hinge holes 121 for connecting the first and second scales 100 and 110, and a hinge shaft (not shown) is provided through the two hinge holes 121 so that the first and second scales 100 and 110 can rotate around the hinge shaft.

Further, as shown in fig. 2 and 3, the angle detector 200 is provided with a hinge 201, and the hinge shaft penetrates the hinge 201 to connect the angle detector 200 to the first and second scales 100 and 110. Preferably, the angle detector 200 is provided to the first scale 100 and rotates around the hinge shaft simultaneously with the first scale 100. When measuring an object using the present utility model, the angle detector 200 may detect the rotation angle α of the first scale 100 with respect to the second scale 110.

In another embodiment of the present utility model, as shown in fig. 2 and 3, the angle detector 200 is provided with an angle sensor 203, a circuit board (the circuit board is not shown in the drawings), a display 210, an "ON/OFF" function key 220, a "0" function key 230, an "a" function key 240, and an "L" function key 250. The angle sensor 203 is provided at the hinge 120 and connected to the angle detector 200. The angle sensor 203 may determine the rotation angle α of the first ruler 100 relative to the second ruler 110, the angle sensor 203 is electrically connected to the circuit board and the display screen 210, and the display screen 210 is used for displaying the detected value. Specifically, the technology of the angle sensor 203 for detecting the clamping degree α through rotation, calculating and converting the circuit board through the angle α, and displaying the numerical value through the display screen 210 belongs to the prior art known by those skilled in the art without performing creative work, and will not be described herein.

Specifically, as shown in fig. 2 and 3, the "a" function key 240 is configured to display the rotation angle detected by the angle sensor 203, that is, the angle α with the intersection point of the first ruler 100 and the second ruler 110 as the vertex and the direction of the straight line where the first ruler 100 and the second ruler 110 are located as two sides. The distance from the intersection point of the first rule 100 and the second rule 110 to the second rule tip 111 is R1, the distance between the first rule tip 101 and the second rule tip 111 is R2, and the distance between the first rule tip 101 and the second rule tip 111 can be calculated by using the conversion formula 2R1sin (α/2). The "L" function key 250 is used to display the distance R2, the "0" function key 230 is used to clear, and the "ON/OFF" function key 220 is used to turn the angle detector 200 ON and OFF.

Further, the "ON/OFF" function key 220, the "0" function key 230, the "a" function key 240, and the "L" function key 250 are all protruded ON the upper surface 202 of the angle detector 200, so that the user can press the angle detector conveniently, and the touch is sensitive and has a good touch feeling.

In another embodiment of the present utility model, as shown in fig. 1, the zero scale value of the angle detector 200 is located at the first tip 101 and the maximum scale value is located at the center of the hinge 120, and when the first tip 101 abuts the second tip 111, the scale value of the angle detector 200 is zero; when the first ruler 100 rotates relative to the second ruler 110 to be positioned in the same straight line direction as the second ruler 110, the scale value of the angle detector 200 is maximum, so that the user can intuitively know the detection range, and the use is convenient.

In another embodiment of the present utility model, the included angle between the first ruler 100 and the second ruler 110 is 0 degree less than or equal to alpha less than or equal to 180 degrees, the measuring range is wide, and the measuring requirements of users on different measuring objects can be met.

In another embodiment of the present utility model, as shown in fig. 1, the middle sections of the first ruler 100 and the second ruler 110 are both provided with a holding part 140, and the holding part 140 is arc-shaped, so that the holding is convenient for the user to hold and has good experience.

In another embodiment of the present utility model, as shown in fig. 1, the lower sections of the first ruler 100 and the second ruler 110 are both curved in an arc shape and enclose a placement groove 130 for placing the measured object, and the placement groove 130 can be adapted to place the measured object with a circular cross section and has an attractive appearance.

Specifically, the first ruler 100 and the second ruler 110 are integrally injection molded, which is convenient for the user to produce and process.

In another embodiment of the present utility model, as shown in fig. 2, the distances from the first tip 101 and the second tip 111 to the center of the hinge 120 are equal, so that the centers of the first tip 101, the second tip 111, and the hinge 120 are enclosed as vertexes to form an isosceles triangle, and the angle detector 200 can calculate the distance R2 between the first tip 101 and the second tip 111 by the included angle α.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims

1. An electronic measuring instrument, characterized by comprising a first ruler (100), a second ruler (110) and an angle detector (200); the utility model discloses a first chi (100) with the upper end of second chi (110) all is equipped with articulated portion (120) so that first chi (100) articulated in second chi (110), first chi point (101) of first chi (100) with second chi point (111) of second chi (110) can butt each other, and zero scale is located first chi point (101) or second chi point (111), angle detector (200) are located on first chi (100) and are used for measuring contained angle alpha between first chi (100) and second chi (110).

2. The electronic measuring instrument according to claim 1, wherein both hinge portions (120) are provided with hinge holes (121), and a hinge shaft is provided through both hinge holes (121) so that the first rule (100) and the second rule (110) can rotate around the hinge shaft.

3. The electronic measuring instrument according to claim 2, characterized in that the angle detector (200) is provided with a hinge position (201), the hinge shaft penetrates through the hinge position (201), and the angle detector (200) is arranged on the first ruler (100) and rotates around the hinge shaft simultaneously with the first ruler (100).

4. The electronic measuring instrument according to claim 1, wherein the angle detector (200) is provided with an angle sensor (203), a display screen (210), an "ON/OFF" function key (220), a "0" function key (230), an "a" function key (240), an "L" function key (250); the angle sensor (203) is electrically connected with the display screen (210), the display screen (210) is used for displaying detected numerical values, the ON/OFF function key (220) is used for opening and closing the angle detector (200), the 0 function key (230) is used for clearing, the A function key (240) is used for displaying an angle of an included angle alpha between the first ruler (100) and the second ruler (110), and the L function key (250) is used for displaying a distance R2 between the first ruler tip (101) and the second ruler tip (111).

5. The electronic measuring instrument according to claim 4, wherein the "ON/OFF" function key (220), the "0" function key (230), the "a" function key (240), and the "L" function key (250) are each protruded ON the upper surface (202) of the angle detector (200).

6. The electronic measuring instrument according to any of the claims 1-5, characterized in that the zero scale value of the angle detector (200) is located at the first tip (101) and the maximum scale value is located at the center of the hinge (120).

7. The electronic measuring instrument according to any one of claims 1-5, characterized in that the angle between the first ruler (100) and the second ruler (110) is 0 ° - α -180 °.

8. The electronic measuring instrument according to any one of claims 1-5, wherein the middle sections of the first ruler (100) and the second ruler (110) are provided with holding parts (140).

9. The electronic measuring instrument according to any one of claims 1 to 5, wherein the lower sections of the first ruler (100) and the second ruler (110) are curved and enclose a placement groove (130) for placing the object to be measured.

10. The electronic measuring instrument according to any of the claims 1-5, characterized in that the first (101) and the second (111) blade are equidistant from the center of the hinge (120).