Displacement sensor checking device

Abstract

The utility model discloses a displacement sensor checking device, a first clamping seat and a second clamping seat are slidably arranged on a base along the same straight line, the first clamping seat is provided with a sensor, the second clamping seat is provided with a micrometer head, the sensor comprises a sensing body and a sensing probe connected with the sensing body, and the micrometer head is connected with the sensing body. The micrometer head comprises a micrometer body and a micrometer probe connected with the micrometer body, and the sensing probe and the micrometer probe are coaxially and oppositely arranged. In an initial state, the sensing probe is in contact with the micrometer probe, the display value of the sensor and the display value of the micrometer head are respectively reset, the second clamping seat is moved towards the direction far away from the sensor, the displacement of the micrometer head is used as a reference object and is compared with the displacement of the sensor, and the difference between the two values is the displacement deviation value of the sensor. The reliability of the displacement of the sensor is effectively identified, the displacement sensor can be conveniently and quickly checked and verified, and the device has the characteristics of simple structure, low cost and convenience in use.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a displacement sensor verification device. Background Art

[0002] A displacement sensor, also known as a linear sensor, is a device that can sense changes in length dimensions and convert them into available output signals. The role of the sensor is to convert various measured physical quantities into electrical quantities. During the production process, the measurement of displacement is generally divided into two types: measuring the physical size of an object and mechanical displacement. Before use, the displacement sensor needs to be verified to ensure the accuracy of its measurement. There are many displacement sensor verification devices in the prior art, but these devices are either complex in structure and expensive in price, or inconvenient to use. Content of the Utility Model

[0003] In view of the above technical problems, the utility model proposes a displacement sensor verification device, which takes the displacement of the micrometer head as a reference object and compares it with the displacement of the sensor. The difference between the two values is the displacement deviation value of the sensor, effectively identifying the credibility of the displacement of the sensor, and having the characteristics of simple structure, low cost and convenient use.

[0004] The technical solution adopted by the utility model is as follows: A displacement sensor verification device includes a base, a first clamp seat and a second clamp seat. The first clamp seat and the second clamp seat are slidably arranged on the base along the same straight line. The first clamp seat is equipped with a sensor, and the second clamp seat is equipped with a micrometer head. The sensor includes a sensing body and a sensing probe connected to the sensing body. The micrometer head includes a micrometer body and a micrometer probe connected to the micrometer body. The sensing probe and the micrometer probe are arranged coaxially opposite to each other.

[0005] Optionally, the base is provided with a linear sliding groove. The first clamp seat includes a first mounting plate and a second mounting plate. The first mounting plate is slidably connected to the base. One end of the second mounting plate is connected to the first mounting plate, and the other end of the second mounting plate is equipped with the sensor. The second clamp seat includes a third mounting plate and a fourth mounting plate. The third mounting plate is slidably connected to the base. One end of the fourth mounting plate is connected to the third mounting plate, and the other end of the fourth mounting plate is equipped with the micrometer head.

[0006] Optionally, the second mounting plate is provided with a first channel. The sensing body is mounted on one side of the second mounting plate. One end of the sensing probe is connected to the sensing body, and the other end of the sensing probe passes through the first channel and extends to the other side of the second mounting plate.

[0007] Optionally, the fourth mounting plate is provided with a second channel. The micrometer body is mounted on one side of the fourth mounting plate. One end of the micrometer probe is connected to the micrometer body, and the other end of the micrometer probe passes through the second channel and extends to the other side of the fourth mounting plate.

[0008] Optionally, a first annular protrusion is provided on the side of the second mounting plate facing the fourth mounting plate. The first annular protrusion is provided with the first channel. A second annular protrusion is provided on the side of the fourth mounting plate facing the second mounting plate. The second annular protrusion is provided with the second channel.

[0009] Optionally, external threads are respectively provided on the outer peripheral walls of the first annular protrusion and the second annular protrusion. The first annular protrusion is fitted with a first nut through the external thread, and the second annular protrusion is fitted with a second nut through the external thread. The first nut is provided with a first through hole communicating with the first channel, and the second nut is provided with a second through hole communicating with the second channel.

[0010] Optionally, the diameter of the first through hole is larger than the diameter of the sensing probe and smaller than the diameter of the first channel. The diameter of the second through hole is larger than the diameter of the micrometer probe and smaller than the diameter of the second channel.

[0011] Optionally, the first mounting plate and the second mounting plate are integrally formed and perpendicularly connected.

[0012] Optionally, a plurality of screw holes are provided along the straight line of the straight chute. The first mounting plate is provided with a first elongated hole for a screw to pass through, and the third mounting plate is provided with a first elongated hole for a screw to pass through.

[0013] The beneficial effects of the present utility model are as follows: In the initial state, the sensing probe and the micrometer probe are in contact, and the display values of the sensor and the micrometer head are respectively cleared. Move the second clamp seat away from the sensor, take the displacement amount of the differential head as the reference object, and compare it with the displacement amount of the sensor. The difference between the two values is the displacement deviation value of the sensor, which can effectively identify the credibility of the displacement amount of the sensor, can conveniently and quickly verify the displacement sensor, and has the characteristics of simple structure, low cost and convenient use. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of a displacement sensor verification device proposed by an embodiment of the present utility model.

[0015] The reference signs in the drawings are: 1, base; 11, linear sliding groove; 12, screw hole; 2, first clamp seat; 21, first mounting plate; 211, first strip-shaped hole; 22, second mounting plate; 3, second clamp seat; 31, third mounting plate; 311, second strip-shaped hole; 32, fourth mounting plate; 4, sensor; 41, sensing body; 42, sensing probe; 5, micrometer head; 51, micrometer body; 52, micrometer probe; 6, first nut. Detailed implementation mode

[0016] The present application will be further described in detail below with reference to the drawings and embodiments.

[0017] As Figure 1 , this embodiment discloses a displacement sensor verification device, including a base 1, a first clamp seat 2 and a second clamp seat 3. The first clamp seat 2 and the second clamp seat 3 are slidably arranged on the base 1 along the same straight line. The first clamp seat 2 is installed with a sensor 4, and the second clamp seat 3 is installed with a micrometer head 5. The sensor 4 includes a sensing body 41 and a sensing probe 42 connected to the sensing body 41. The micrometer head 5 includes a micrometer body 51 and a micrometer probe 52 connected to the micrometer body 51. The sensing probe 42 and the micrometer probe 52 are arranged coaxially and oppositely. In the initial state, the sensing probe 42 and the micrometer probe 52 are in contact, and the display values of the sensor 4 and the micrometer head 5 are cleared respectively. Move the second clamp seat 3 in the direction away from the sensor 4, take the displacement amount of the micrometer head as the reference object, and compare it with the displacement amount of the sensor 4. The difference between the two values is the displacement deviation value of the sensor 4, which can effectively identify the credibility of the displacement amount of the sensor 4, and can conveniently and quickly verify the displacement sensor 4, with the characteristics of simple structure, low cost and convenient use. The first mounting plate 21 and the second mounting plate 22 are integrally formed and vertically connected.

[0018] In this embodiment, the base 1 is provided with a linear chute 11. The first clamp 2 includes a first mounting plate 21 and a second mounting plate 22. The first mounting plate 21 is slidably connected to the base 1. One end of the second mounting plate 22 is connected to the first mounting plate 21, and a sensor 4 is mounted at the other end of the second mounting plate 22. The second clamp 3 includes a third mounting plate 31 and a fourth mounting plate 32. The third mounting plate 31 is slidably connected to the base 1. One end of the fourth mounting plate 32 is connected to the third mounting plate 31, and a micrometer head 5 is mounted at the other end of the fourth mounting plate 32. The first mounting plate 21 and the third mounting plate 31 slide along the linear chute 11 respectively. The second mounting plate 22 is provided with a first channel. The sensing body 41 is mounted on one side of the second mounting plate 22. One end of the sensing probe 42 is connected to the sensing body 41, and the other end of the sensing probe 42 passes through the first channel and extends to the other side of the second mounting plate 22. The fourth mounting plate 32 is provided with a second channel. The micrometer body 51 is mounted on one side of the fourth mounting plate 32. One end of the micrometer probe 52 is connected to the micrometer body 51, and the other end of the micrometer probe 52 passes through the second channel and extends to the other side of the fourth mounting plate 32. The sensing probe 42 and the micrometer probe 52 are arranged oppositely. The linear chute is provided with a plurality of screw holes along the straight line. The first mounting plate is provided with a first elongated hole for the screw to pass through, and the third mounting plate is provided with a first elongated hole for the screw to pass through. The screws fix the first mounting plate and the third mounting plate.

[0019] On the side of the second mounting plate 22 facing the fourth mounting plate 32, there is a first annular protrusion. The first annular protrusion is provided with a first channel. On the side of the fourth mounting plate 32 facing the second mounting plate 22, there is a second annular protrusion. The second annular protrusion is provided with a second channel. External threads are respectively provided on the outer peripheral walls of the first annular protrusion and the second annular protrusion. The first annular protrusion is fitted with a first nut 6 through the external thread, and the second annular protrusion is fitted with a second nut through the external thread. The first nut 6 is provided with a first through hole communicating with the first channel, and the second nut is provided with a second through hole communicating with the second channel. The diameter of the first through hole is larger than the diameter of the sensing probe 42 and smaller than the diameter of the first channel. The diameter of the second through hole is larger than the diameter of the micrometer probe 52 and smaller than the diameter of the second channel. The sensing probe 42 sequentially passes through the first channel and the first through hole. The first nut 6 is fitted with the first annular protrusion through the thread, playing a role in supporting and locking the sensing probe 42. The micrometer probe 52 sequentially passes through the second channel and the second through hole. The second nut is fitted with the second annular protrusion through the thread, playing a role in supporting and locking the micrometer probe 52.

[0020] It is understandable that the specific embodiments described above are only used to explain the relevant utility model, rather than limiting the utility model. In addition, it should be noted that for the convenience of description, only the parts related to the utility model are shown in the drawings. Multiple technical solutions in the same embodiment, as well as multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions without contradiction or conflict. Any equivalent structural transformation made by using the content of the specification and drawings of the present utility model, directly or indirectly applied in other related technical fields, shall be included in the protection scope of the present utility model by the same token.

Claims

1. A displacement sensor verification device, characterized in that: The invention comprises a base, a first clamping seat and a second clamping seat, wherein the first clamping seat and the second clamping seat are slidably arranged on the base along the same straight line, the first clamping seat is equipped with a sensor, and the second clamping seat is equipped with a micrometer head, the sensor comprises a sensing body and a sensing probe connected to the sensing body, the micrometer head comprises a micrometer body and a micrometer probe connected to the micrometer body, and the sensing probe and the micrometer probe are coaxially arranged relative to each other.

2. The displacement sensor verification device according to claim 1, characterized in that: The base is provided with a linear slide groove, the first clamping seat includes a first mounting plate and a second mounting plate, the first mounting plate is slidably connected to the base, one end of the second mounting plate is connected to the first mounting plate, and the sensor is installed on the other end of the second mounting plate, the second clamping seat includes a third mounting plate and a fourth mounting plate, the third mounting plate is slidably connected to the base, one end of the fourth mounting plate is connected to the third mounting plate, and the micrometer head is installed on the other end of the fourth mounting plate.

3. The displacement sensor verification device according to claim 2, characterized in that: The second mounting plate is provided with a first channel, the sensor body is mounted on one side of the second mounting plate, one end of the sensor probe is connected to the sensor body, and the other end of the sensor probe passes through the first channel and extends to the other side of the second mounting plate.

4. The displacement sensor verification device according to claim 3, characterized in that: The fourth mounting plate is provided with a second channel, the micrometer body is mounted on one side of the fourth mounting plate, one end of the micrometer probe is connected to the micrometer body, and the other end of the micrometer probe passes through the second channel and extends to the other side of the fourth mounting plate.

5. The displacement sensor verification device according to claim 4, characterized in that: A first annular protrusion is provided on a side of the second mounting plate facing the fourth mounting plate, and the first annular protrusion is provided with the first channel. A second annular protrusion is provided on a side of the fourth mounting plate facing the second mounting plate, and the second annular protrusion is provided with the second channel.

6. The displacement sensor verification device according to claim 5, characterized in that: The outer peripheral wall of the first annular protrusion and the outer peripheral wall of the second annular protrusion are respectively provided with external threads, the first annular protrusion is matched with a first nut through the external threads, the second annular protrusion is matched with a second nut through the external threads, the first nut is provided with a first through hole connected to the first channel, and the second nut is provided with a second through hole connected to the second channel.

7. The displacement sensor verification device according to claim 6, characterized in that: The diameter of the first through hole is larger than the diameter of the sensing probe and smaller than the diameter of the first channel, and the diameter of the second through hole is larger than the diameter of the micrometer probe and smaller than the diameter of the second channel.

8. The displacement sensor verification device according to claim 2, characterized in that: The first mounting plate and the second mounting plate are integrally formed and vertically connected.

9. The displacement sensor verification device according to claim 2, characterized in that: The linear slide is provided with a plurality of screw holes along a straight line, the first mounting plate is provided with a first strip hole for screws to pass through, and the third mounting plate is provided with a first strip hole for screws to pass through.

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