Digital caliper

Abstract

The utility model provides a digital caliper. The digital display caliper comprises a caliper body which comprises a digital display unit; and the data transmission device is detachably connected with the digital display unit, and when the data transmission device and the digital display unit are installed together, the data transmission device is electrically connected with the digital display unit and is suitable for transmitting data acquired by the digital display unit to the corresponding data receiving device. According to the technical scheme, the problem that in the prior art, a digital display caliper is high in use cost is solved.

Description

Technical Field

[0001] The utility model relates to the field of measuring instruments, and specifically provides a digital caliper. Background Art

[0002] A vernier caliper is a measuring tool for measuring length, inner and outer diameters, and depth. A vernier caliper consists of a main scale and a sliding scale attached to the main scale. There are two pairs of movable jaws on the main scale and sliding scale of the vernier caliper, namely the inner measuring jaw and the outer measuring jaw. The inner measuring jaw is usually used to measure the inner diameter, and the outer measuring jaw is usually used to measure the length and outer diameter.

[0003] The digital caliper is based on the vernier caliper, which further improves the measurement accuracy of the vernier caliper and makes it more convenient to use. In the existing digital calipers, the data measurement principle of the digital caliper is that the capacitive sensors located on the main scale and the vernier scale measure the data and display the data on the liquid crystal display of the digital display unit.

[0004] With the development of science and technology, digital calipers may need to contact other data service devices during measurement to achieve intelligent operation and control. Chinese utility model patent CN205642190U discloses a digital caliper with Bluetooth communication function. The patent teaches a technical solution to transmit the data measured by the digital caliper by integrating a Bluetooth transmitter module on the digital caliper. However, the measuring claws of the caliper are easily worn out after long-term use, thereby affecting the measurement results. After a period of use, a new caliper needs to be replaced to ensure measurement accuracy. For digital calipers with a Bluetooth transmitter module inside the digital caliper, the cost of use is high if it is replaced frequently.

[0005] Therefore, this field needs a new technical solution to solve the above problems. Utility Model Content

[0006] In order to solve the problem of high use cost of digital calipers in the prior art, the utility model provides a digital caliper. The digital caliper of the utility model comprises: a caliper body; a digital display unit, the digital display unit is fixedly connected to the caliper body; and a data transmission device, the data transmission device is detachably connected to the digital display unit, when the data transmission device and the digital display unit are installed together, the data transmission device is electrically connected to the digital display unit and is suitable for transmitting the data acquired by the digital display unit to the corresponding data receiving device.

[0007] The digital caliper of the utility model includes a ruler body and a digital display unit fixedly connected to the ruler body, so as to realize the basic measurement function of the digital caliper and display the measurement results. On this basis, the digital caliper also includes a data transmission device detachably connected to the digital display unit. When the data transmission device and the digital display unit are installed together, the data transmission device is electrically connected to the digital display unit and is suitable for transmitting the data acquired by the digital display unit to the corresponding data receiving device. Through the above configuration, when the measuring jaws of the caliper are worn after being used for a period of time, only the ruler body can be replaced, and the data transmission device can be installed on the new ruler body and continue to be used, thereby reducing the use cost of the caliper.

[0008] In the preferred technical solution of the digital caliper, the caliper body includes a first side and a second side opposite to each other, and the digital display unit is arranged on the first side; the data transmission device includes a body, and the body is arranged on the second side. Through the above configuration, the digital display unit is usually arranged on the side of the caliper body suitable for facing the measurement personnel, and will not interfere with the movement of the measuring claw. The data transmission device is arranged on the side opposite to the digital display unit, which also avoids interference with the measuring claw and balances the weight of the caliper, making it easier for the measurement personnel to hold it.

[0009] In the preferred technical solution of the digital caliper, the data transmission device further comprises a connection portion extending from the first side to the second side. Through the above arrangement, the connection portion extends from the first side to the second side, and the digital display unit and the data transmission device can be connected together for electrical connection.

[0010] In the preferred technical solution of the above-mentioned digital caliper, the digital display unit includes a first interface, the connecting part includes a first terminal matched with the first interface, the first terminal and the first interface are detachably connected, and when the first terminal and the first interface are installed together, the connecting part is electrically connected to the digital display unit. Through the above-mentioned configuration, the digital display unit is fixed together and electrically connected with the first terminal of the data transmission device through the first interface, the structure is compact, and the use of wire harnesses is reduced, so as to facilitate the operation of the measurement personnel.

[0011] In the preferred technical solution of the above-mentioned digital caliper, the main body includes a second interface, and the connecting part also includes a second terminal matched with the second interface, and the second terminal and the second interface are detachably connected. When the second terminal and the second interface are installed together, the connecting part is electrically connected to the main body. Through the above-mentioned arrangement, the main body is electrically connected to the second terminal of the connecting part through the second interface, and the structure is compact, which reduces the use of wiring harnesses and facilitates the operation of measurement personnel. The detachable connection between the main body and the connecting part also makes the structure of the data transmission device more flexible, so as to be suitable for more different models of calipers.

[0012] In the preferred technical solution of the digital caliper, the data transmission device further includes a trigger unit. When the trigger unit meets a predetermined condition, the data transmission device transmits data to the data receiving device. By setting the trigger unit, when the measurement personnel need to record the measured data, the data can be transmitted to the data receiving device in real time through the trigger unit.

[0013] In the preferred technical solution of the digital caliper, the trigger unit is a button. When the button is pressed, the data transmission device transmits data to the data receiving device. By setting the button, when the measurement personnel want to record data, the response speed of pressing the button is faster, which improves the measurement efficiency.

[0014] In the preferred technical solution of the digital caliper, a pressing portion is provided on the side of the digital display unit and / or the data transmission device opposite to the trigger unit. By providing the pressing portion, when the digital caliper has clamped the object to be measured, the measurement personnel can naturally press two fingers on the pressing portion and near the trigger unit when holding the digital caliper, so that the force of the fingers will not be directly applied to the caliper body, avoiding affecting the measurement data of the caliper body when the trigger unit meets the predetermined conditions, thereby improving the measurement accuracy.

[0015] In the preferred technical solution of the above-mentioned digital caliper, the data transmission device also includes a prompt unit, which is used to send a prompt signal after the data transmission device transmits the acquired data to the data receiving device. Through the above-mentioned setting, the measurement personnel can clearly understand whether each test data is successfully transmitted, so that when it is found that the data is not successfully transmitted, timely measures can be taken to ensure that the measurement is carried out in an orderly manner, and avoid the lack of measurement data and confusion of corresponding relationships when the data is integrated later.

[0016] In the preferred technical solution of the above-mentioned digital caliper, the ruler body includes a main scale and a vernier scale slidably connected to the main scale, and the digital display unit is fixedly connected to the vernier scale, so that when the data transmission device and the digital display unit are installed together, a predetermined gap is formed between the data transmission device and the main scale. Through the above-mentioned arrangement, when the data transmission device is installed on the ruler body, the relative sliding between the vernier scale and the main scale will not be interfered. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the digital caliper of the utility model;

[0019] Figure 2 It is a top view of an embodiment of the digital caliper of the utility model;

[0020] Figure 3It is a bottom view of an embodiment of the digital caliper of the utility model;

[0021] Figure 4 It is a structural schematic diagram of an embodiment of a data transmission device of a digital caliper of the utility model;

[0022] Figure 5 It is a structural schematic diagram of an embodiment of a body of a data transmission device of a digital caliper of the utility model;

[0023] Figure 6 It is a structural schematic diagram of an embodiment of a connecting portion of a data transmission device of a digital caliper of the utility model.

[0024] List of reference numerals:

[0025] 100, digital caliper; 10, ruler body; 11, main scale; 12, vernier scale; 13, digital display unit; 131, first pressing portion; 14, first side; 15, second side; 20, data transmission device; 21, main body; 211, second interface; 212, second pressing portion; 213, prompt unit; 22, connecting portion; 221, first terminal; 222, second terminal; 223, button; 23, predetermined gap. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0027] It should be noted that, in the description of the present invention, the terms “first” and “second” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In order to solve the problem of high use cost of digital calipers in the prior art, the utility model provides a digital caliper 100. The digital caliper 100 of the utility model comprises: a ruler body 10, on which a digital display unit 13 is provided; and a data transmission device 20, which is detachably connected to the digital display unit 13. When the data transmission device 20 and the digital display unit 13 are installed together, the data transmission device 20 is electrically connected to the digital display unit 13 and is suitable for transmitting the data acquired by the digital display unit 13 to a corresponding data receiving device.

[0030] Figure 1 It is a structural schematic diagram of an embodiment of the digital caliper of the utility model; Figure 2 It is a top view of an embodiment of the digital caliper of the utility model; Figure 3 1 is a bottom view of an embodiment of the digital caliper of the utility model. Figure 1 As shown, the digital caliper 100 of the utility model includes a ruler body 10 and a data transmission device 20 detachably connected to the ruler body 10. In one or more embodiments, the ruler body 10 includes a main scale 11, a vernier scale 12 and a digital display unit 13. The vernier scale 12 is slidably connected to the main scale 11, and the digital display unit 13 is fixed on the vernier scale 12. During the sliding process, the distance between two points on the measured object is determined by the measuring claws on the main scale 11 and the vernier scale 12, and the signal transmission is realized by the capacitive grids respectively arranged on the main scale 11 and the vernier scale 12. Based on the displacement change between the two capacitive grids, the digital display unit 13 can display specific measurement data. In one or more embodiments, the ruler body 10 includes a first side 14 and a second side 15 opposite to each other, and the digital display unit 13 is arranged on the first side 14. During use, the first side 14 is suitable for facing the measurement personnel so as to intuitively display the measurement data to the measurement personnel. Alternatively, the digital display unit 13 can also be arranged at other suitable positions of the ruler body 10 according to actual conditions, such as being arranged on the main scale 11.

[0031] like Figure 1 and Figure 3 As shown, in one or more embodiments, the digital display unit 13 is configured to be roughly rectangular, and its width is greater than the width of the ruler 10, so that the measurement personnel can hold it. Alternatively, the digital display unit 13 can also be configured into other suitable shapes. In one or more embodiments, a first interface (not shown in the figure) is provided on the digital display unit 13. Through the first interface, the digital display unit 13 can transmit the data measured by the measuring claw to other devices. Alternatively, the setting of the first interface can also be cancelled, and the digital display unit 13 uses other suitable components to transmit data. In one or more embodiments, a first pressing portion 131 is provided on the digital display unit 13, so that the measurement personnel can press their fingers against the first pressing portion 131. Alternatively, the setting of the first pressing portion 131 can also be cancelled.

[0032] like Figure 1 and Figure 2 As shown, in one or more embodiments, after the data transmission device 20 is installed on the ruler body 10, the data transmission device 20 is electrically connected to the digital display unit 13 and is suitable for transmitting the data acquired by the digital display unit 13 to the corresponding data receiving device. In one or more embodiments, the data transmission device 20 includes a main body 21 and a connecting portion 22 detachably connected to the main body 21. Alternatively, the connecting portion 22 may also form a fixed connection with the main body 21. In one or more embodiments, the main body 21 is arranged on the second side 15. Since the data transmission device 20 does not need to display data during the measurement process, the main body 21 of the data transmission device 20 is arranged on the second side 15, which does not interfere with the operator's observation of the data, and enables the weight of the digital display unit 13 and the data transmission device 20 to be roughly balanced on both sides of the ruler body 10. Alternatively, the main body 21 may also be arranged at other suitable positions on the ruler body 10.

[0033] Figure 4 It is a structural schematic diagram of an embodiment of a data transmission device of a digital caliper of the utility model; Figure 5 1 is a schematic diagram of the structure of an embodiment of the data transmission device of the digital caliper of the utility model. Figure 1 , Figure 4 and Figure 5 As shown, in one or more embodiments, the body 21 is configured in a substantially rectangular parallelepiped shape. The upper surface and the lower surface of the body 21 are substantially flush with the upper surface and the lower surface of the digital display unit 13, so as to be unified with the digital display unit 13 in appearance, thereby reducing the protruding part of the data transmission device 20 after being installed with the digital display unit 13, and facilitating the measurement personnel to hold it. Alternatively, the body 21 may also be configured in other suitable shapes. In one or more embodiments, a second interface 211 is provided on the body 21. Through the second interface 211, the data transmission device 20 can be electrically connected to the connecting portion 22 to transmit data. Alternatively, the second interface 211 may be omitted, and the digital display unit 13 may use other suitable components to transmit data. In one or more embodiments, a second pressing portion 212 is provided on the side of the body 21 opposite to the connecting portion 22, so that the measurement personnel can place their fingers against the second pressing portion 212. The second pressing portion 212 can be detachably connected to the first pressing portion 131 to ensure the connection stability of the data transmission device 20 and the digital display unit 13 at the pressing position. Alternatively, the second pressing portion 212 may be omitted. In an alternative embodiment, the pressing portion may be disposed at a suitable position on the digital caliper 100 other than the data transmission device 20 and the digital display unit 13. Figure 2As shown, in one or more embodiments, when the data transmission device 20 and the digital display unit 13 are installed together, a predetermined gap 23 is formed between the main body 21 and the ruler body 10 to prevent the data transmission device 20 from interfering with the main scale 11 when moving with the digital display unit 13 fixed on the vernier 12.

[0034] Continue reading Figure 5 In one or more embodiments, the data transmission device 20 further includes a prompt unit 213. The prompt unit 213 is used to send a prompt signal after the data transmission device 20 transmits the acquired data to the data receiving device. Specifically, "the data transmission device transmits the acquired data to the data receiving device" can be a state in which the data transmission device 20 successfully sends data, or it can be a state in which the data transmission device 20 successfully sends data and the data receiving device successfully receives the data. Prompt signals include but are not limited to light signals, sound signals, etc., that is, after the data transmission device 20 transmits the acquired data to the data receiving device, the prompt unit 213 lights up or emits a buzzer, etc. Alternatively, the setting of the prompt unit 213 can also be canceled.

[0035] Figure 6 1 is a schematic diagram of the structure of an embodiment of the connection part of the data transmission device of the digital caliper of the utility model. Figure 1 , Figure 4 and Figure 6 As shown, in one or more embodiments, the connecting portion 22 is configured as a substantially rectangular parallelepiped member extending from the first side 14 to the second side 15. Figure 1In the orientation shown, the lower surface of the connecting portion 22 abuts against the upper surface of the digital display unit 13 and the upper surface of the data transmission device 20, respectively, so that the digital display unit 13, the connecting portion 22, the body 21 and the pressing portion are sequentially connected and surround the outside of the main scale 11 and the vernier scale 12, thereby ensuring the connection stability of the data transmission device 20 without affecting the measurement. Alternatively, the connecting portion 22 can also be formed into other suitable shapes according to actual needs. In one or more embodiments, the connecting portion 22 includes a first terminal 221 and a second terminal 222 arranged on opposite sides of its lower surface. The first terminal 221 is detachably connected to the first interface. When the first terminal 221 and the first interface are installed together, the first terminal 221 and the first interface are electrically connected to transmit data between the digital display unit 13 and the connecting portion 22. The second terminal 222 is detachably connected to the second interface 211. When the second terminal 222 and the second interface 211 are installed together, the second terminal 222 and the second interface 211 are electrically connected to transmit data between the body 21 and the connecting portion 22. Alternatively, the first terminal 221 and the second terminal 222 may be disposed at other suitable positions of the connecting portion 22. Alternatively, the first terminal 221 may be omitted so that the digital display unit 13 and the data transmission device 20 can achieve data transmission in other ways. Alternatively, the second terminal 222 may be omitted so that the connecting portion 22 and the body 21 can achieve data transmission in other ways.

[0036] Continue reading Figures 1 to 6 In one or more embodiments, a trigger unit is provided on the connecting portion 22. When the trigger unit meets the preset conditions, the data transmission device 20 transmits data to the data receiving device. Alternatively, the setting of the trigger unit can also be cancelled, and the data transmission device 20 can transmit data in other ways according to actual needs, such as real-time transmission. In one or more embodiments, the trigger unit is configured as a button 223, and the button 223 includes but is not limited to a physical button 223, a touch button 223, etc. When the button 223 is pressed, the data transmission device 20 transmits data to the data receiving device. Alternatively, the trigger unit can also be configured as other suitable devices. As Figure 2 and Figure 3 As shown, the trigger unit and the pressing part are arranged relative to each other, which conforms to the operating habits of the measurement personnel and can improve the measurement efficiency. The measurement personnel's fingers are placed on the button 223 and the pressing part respectively, which can avoid the measurement error caused by accidentally touching the ruler body 10.

[0037] Continuing to refer to this, the technical solution of the utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the utility model.

Claims

1. A digital caliper, characterized in that: The digital caliper comprises: A ruler body, the ruler body comprising a digital display unit; and A data transmission device, wherein the data transmission device is detachably connected to the digital display unit. When the data transmission device and the digital display unit are installed together, the data transmission device is electrically connected to the digital display unit and is suitable for transmitting the data acquired by the digital display unit to a corresponding data receiving device.

2. The digital caliper according to claim 1, characterized in that: The ruler body comprises a first side and a second side opposite to each other, and the digital display unit is arranged on the first side; The data transmission device includes a body, and the body is arranged on the second side.

3. The digital caliper according to claim 2, characterized in that: The data transmission device further includes a connecting portion connected to the body, wherein the connecting portion extends from the first side to the second side.

4. The digital caliper according to claim 3, characterized in that: The digital display unit includes a first interface, the connecting part includes a first terminal matching the first interface, the first terminal and the first interface are detachably connected, and when the first terminal and the first interface are installed together, the connecting part is electrically connected to the digital display unit.

5. The digital caliper according to claim 3, characterized in that: The main body includes a second interface, and the connecting part also includes a second terminal matching the second interface. The second terminal and the second interface are detachably connected. When the second terminal and the second interface are installed together, the connecting part is electrically connected to the main body.

6. The digital caliper according to any one of claims 3 to 5, characterized in that: The data transmission device further comprises a trigger unit, and when the trigger unit satisfies a predetermined condition, the data transmission device transmits data to the data receiving device.

7. The digital caliper according to claim 6, characterized in that: The trigger unit is a button, and when the button is pressed, the data transmission device transmits data to the data receiving device.

8. The digital caliper according to claim 6, characterized in that: A pressing portion is provided on a side of the digital display unit and / or the data transmission device opposite to the trigger unit.

9. The digital caliper according to claim 1, characterized in that: The data transmission device further comprises a prompt unit, which is used to send a prompt signal after the data transmission device transmits the acquired data to the data receiving device.

10. The digital caliper according to claim 1, characterized in that: The ruler body includes a main ruler and a vernier ruler slidably connected to the main ruler, the digital display unit is fixedly connected to the vernier ruler, and when the data transmission device and the digital display unit are installed together, a predetermined gap is formed between the data transmission device and the main ruler.

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