Magnetic displacement digital display measuring instrument

Abstract

The utility model relates to the technical field of displacement sensors, in particular to a magnetic displacement digital display measuring instrument. Comprising a middle shell, a rear cover covering the lower end of the middle shell, a switching PCB arranged in the middle shell, a copper column arranged on the switching PCB, a control PCB arranged in the middle shell and connected with the copper column, a nixie tube arranged on the control PCB, a front cover covering the upper end of the middle shell and provided with a window, and a shading sheet arranged between the window and the nixie tube. The middle shell is of a frame-shaped structure, the switching PCB and the control PCB are spaced from each other up and down and are connected through a copper column, and the nixie tube, the anti-dazzling screen and the acrylic cover plate correspond to each other. The design is small in size, simple in structure, easy to install, convenient to use and low in production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of displacement sensors, in particular to a magnetic displacement digital display measuring instrument. Background Art

[0002] Displacement measuring devices on CNC machine tools have been widely used. Displacement measuring devices are mainly composed of two parts: measuring devices and digital display devices. Measuring devices mainly include magnetic grating and grating encoders, and digital display devices are used to display the measurement data of the measuring devices in real time. Existing digital display devices are large in size, complex in structure, and high in production cost. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a magnetic displacement digital display measuring instrument, which cooperates with a magnetic grating / grating encoder to display the measured value of the displacement sensor, has a small size, a simple structure, is easy to install, is convenient to use, and has a low production cost.

[0004] The technical solution adopted by the utility model is to provide a magnetic displacement digital display measuring instrument, comprising a middle shell, a back cover covering the lower end of the middle shell, a transfer PCB board arranged in the middle shell, a copper column arranged on the transfer PCB board, a control PCB board arranged in the middle shell and connected to the copper column, a digital tube arranged on the control PCB board, a front cover covering the upper end of the middle shell and having a window, a shading sheet arranged between the window and the digital tube, and an acrylic cover plate covering the window, wherein the middle shell is a frame-shaped structure, the transfer PCB board and the control PCB board are spaced up and down and connected by means of the copper column, and the digital tube, the shading sheet and the acrylic cover plate correspond to each other.

[0005] A film panel is arranged on the outer end surface of the front cover, and an opening corresponding to the acrylic cover plate is arranged on the film panel.

[0006] The control PCB board is provided with control buttons and indicator lights, and the front cover is provided with openings corresponding to the control buttons and the indicator lights.

[0007] The two sides of the middle shell are vertically provided with mounting grooves, and the mounting grooves are provided with matching rubber gaskets, and the cross section of the mounting grooves is arc-shaped.

[0008] The back cover is provided with a plug interface, and the lower end of the adapter PCB board is provided with a connection port corresponding to the plug interface.

[0009] The beneficial effect of the utility model is that it provides a magnetic displacement digital display measuring instrument, which cooperates with a magnetic grating / grating encoder to display the measurement value of the displacement sensor. The middle shell, the rear cover and the front cover form a cavity, and the adapter PCB board and the control PCB board are installed in the cavity. The design is small in size, simple in structure, easy to use and low in production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is an exploded view of the utility model.

[0012] In the attached drawings, 1. middle shell, 2. back cover, 3. adapter PCB board, 4. copper column, 5. control PCB board, 6. digital tube, 7. front cover, 8. shading sheet, 9. acrylic cover, 10. film panel, 11. control button, 12. indicator light, 13. installation slot, 14. rubber gasket, 15. plug interface. DETAILED DESCRIPTION

[0013] like Figure 1-2 As shown, the utility model provides a magnetic displacement digital display measuring instrument, including a middle shell 1, a back cover 2 covering the lower end of the middle shell 1, a transfer PCB board 3 arranged in the middle shell 1, a copper column 4 arranged on the transfer PCB board 3, a control PCB board 5 arranged in the middle shell 1 and connected to the copper column 4, a digital tube 6 arranged on the control PCB board 5, a front cover 7 covering the upper end of the middle shell 1 and having a window, a shading sheet 8 arranged between the window and the digital tube 6, and an acrylic cover plate 9 covering the window. The middle shell 1 is a frame-shaped structure, the transfer PCB board 3 and the control PCB board 5 are spaced up and down and connected by means of the copper column 4, and the digital tube 6, the shading sheet 8 and the acrylic cover plate 9 correspond to each other.

[0014] The middle shell 1, the rear cover 2 and the front cover 7 form a cavity, in which the transfer PCB board 3 and the control PCB board 5 are installed, and the transfer PCB board 3 and the control PCB board 5 are fixed by a copper column 4 for spacing and limiting, the transfer PCB board 3 is located at the lower part of the cavity, adjacent to the rear cover 2, the control PCB board 5 is located at the upper part of the cavity, adjacent to the front cover 7, the digital tube 6 is installed on the end surface of the control PCB board 5 facing the front cover 7, the digital tube 6 corresponds to the window of the front cover 7, the acrylic cover plate 9 covers the window, the acrylic cover plate 9 is transparent organic glass, and a shading sheet 8 is installed between the acrylic cover plate 9 and the digital tube 6. The design has a small volume, a simple structure, is easy to use, and has a low production cost.

[0015] like Figure 1-2 As shown, a film panel 10 is provided on the outer end surface of the front cover 7 and an opening corresponding to the acrylic cover plate 9 is provided on the film panel 10 .

[0016] Adding a film panel 10 outside the front cover 7 of the film panel 10 can facilitate marking and cover the opening on the front cover 7, and has the characteristics of being waterproof, anti-deformation, anti-pollution, and anti-high temperature.

[0017] like Figure 1-2As shown, the control PCB board 5 is provided with control buttons 11 and indicator lights 12 , and the front cover 7 is provided with openings corresponding to the control buttons 11 and the indicator lights 12 .

[0018] The control button 11 can be operated conveniently, and the indicator light 12 can be used to indicate reminders conveniently.

[0019] like Figure 1-2 As shown, installation grooves 13 are vertically arranged on both sides of the middle shell 1, and matching rubber gaskets 14 are arranged in the installation grooves 13. The cross section of the installation grooves 13 is arc-shaped.

[0020] The installation can be facilitated by installing the through groove 13 and the rubber gasket 14, and the rubber gasket 14 can also prevent static electricity conduction.

[0021] like Figure 1-2 As shown, the rear cover 2 is provided with an insertion port 15, and the lower end of the transfer PCB board 3 is provided with a connection port corresponding to the insertion port 15. The insertion port 15 on the rear cover 2 can facilitate wiring.

Claims

1. A magnetic displacement digital display measuring instrument, characterized in that: The invention comprises a middle shell (1), a rear cover (2) covering the lower end of the middle shell (1), a transfer PCB (3) arranged in the middle shell (1), a copper column (4) arranged on the transfer PCB (3), a control PCB (5) arranged in the middle shell (1) and connected to the copper column (4), a digital tube (6) arranged on the control PCB (5), a front cover (7) covering the upper end of the middle shell (1) and having a window, a light shielding sheet (8) arranged between the window and the digital tube (6), and an acrylic cover (9) covering the window. The middle shell (1) is a frame-shaped structure. The transfer PCB (3) and the control PCB (5) are spaced apart from each other and connected by means of the copper column (4). The digital tube (6), the light shielding sheet (8) and the acrylic cover (9) correspond to each other.

2. A magnetic displacement digital display measuring instrument according to claim 1, characterized in that: A film panel (10) is provided on the outer end surface of the front cover (7), and an opening corresponding to the acrylic cover plate (9) is provided on the film panel (10).

3. A magnetic displacement digital display measuring instrument according to claim 1, characterized in that: The control PCB board (5) is provided with a control button (11) and an indicator light (12), and the front cover (7) is provided with openings corresponding to the control button (11) and the indicator light (12).

4. A magnetic displacement digital display measuring instrument according to claim 1, characterized in that: Installation through grooves (13) are vertically arranged on both sides of the middle shell (1), and matching rubber gaskets (14) are arranged in the installation through grooves (13). The cross section of the installation through grooves (13) is arc-shaped.

5. The magnetic displacement digital display measuring instrument according to claim 1, characterized in that: The rear cover (2) is provided with a plug interface (15), and the lower end of the adapter PCB board (3) is provided with a connection port corresponding to the plug interface (15).

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