Digital display meter test box capable of preventing electromagnetic interference
By adopting the design of sliding connection and compression components in the digital display test box, the problem of loose connection and inconvenient connection of the connection wire is solved, and the fixed and accurate connection of the wire is achieved, which improves the reliability of the test results.
Patent Information
- Application Number
- CN202420729345.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-10
AI Technical Summary
During the test of the digital display table, the connecting wires are prone to loosening, resulting in inaccurate detection results and inconvenient connection of the wires to the rear of the display table.
A digital display test box that is anti-electromagnetic interference is designed, using a slidingly connected mobile board and an extended component structure, combining a compacting component and an electric telescopic rod to achieve fixed and convenient connection of the wire.
By tightening the assembly to fix the wires, avoid loosening, the extension assembly facilitates the connection of the wires to the rear of the digital display, ensuring the accuracy of the detection results.
Smart Images
Figure CN222302218U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of digital display meters, in particular to a digital display meter test box which is anti-electromagnetic interference. Background Art
[0002] A digital display instrument is an instrument with an analog-to-digital converter that displays the measured variable value in decimal digital form. It is matched with various sensors and dispensers to display various parameters. Digital instruments have the advantages of high accuracy, full functions, fast speed, strong anti-interference ability, small size, low power consumption, intuitive reading, and can input the measurement results into the computer in digital form, thereby realizing the automation of the production process. At present, digital display instruments are replacing traditional mechanical instruments in large quantities and have been widely used in various industries and daily life.
[0003] Most of the existing digital display meters have displays at the front and connectors at the back. After the digital display meters are produced, their performance and stability need to be tested. In the existing testing method, because the digital display meter has a display at the front and a connector at the back, when connecting the wires, the connecting wires are loose, resulting in inaccurate test results, and it is inconvenient to connect the wires to the back of the display meter when connecting the wires. Utility Model Content
[0004] The technical problem to be solved by the utility model is that when connecting the wires, the connecting wires become loose, resulting in inaccurate detection results, and it is inconvenient to connect the wires to the rear of the display meter when connecting the wires.
[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: This solution is an electromagnetic interference-proof digital display meter test box, including a shell, and also includes a movable plate slidably connected to the shell, and an extension component slidably connected to the top of the shell, the extension component is fixedly connected to the movable plate, and a placement plate is symmetrically fixedly connected to the movable plate, a placement rack is fixedly connected to one side of the placement plate, a clamping assembly is slidably connected to the placement rack, a digital display meter is placed on the top of the placement plate, and the digital display meter is arranged on one side of the placement rack.
[0006] Preferably, the clamping assembly includes a sliding plate slidably connected to the placement rack, sliding blocks slidably connected to both sides of the top of the placement rack, and a damper symmetrically fixedly connected to the placement rack, one end of the damper is fixedly connected to the sliding block, the top of the sliding plate is symmetrically fixedly connected to a fixed block, the fixed block is symmetrically hinged with a connecting rod, the other end of the connecting rod is hinged to the sliding block, the damper is sleeved with a spring, one end of the spring is fixedly connected to the sliding block, and the other end of the spring is fixedly connected to the inner wall of the placement rack.
[0007] Preferably, the clamping assembly also includes an upper clamping block fixedly connected to the sliding plate, and a lower clamping block fixedly connected to the top of the placing plate, the placing frame cover is arranged on the lower clamping block, the upper clamping block and the lower clamping block are positioned opposite to each other, and the upper clamping block and the lower clamping block are evenly and evenly provided with symmetrically arranged arc grooves, the bottom of the upper clamping block is evenly and fixedly connected with an upper arc plate, the top of the lower clamping block is evenly and fixedly connected with an upper arc plate, and the upper arc plate and the lower arc plate are positioned opposite to each other.
[0008] Preferably, the extending assembly includes a driving plate slidably connected to the top of the shell, a support plate fixedly connected to the top of the shell, and a driving block symmetrically slidably connected to the top of the shell, the driving block is fixedly connected to one side of the driving plate, and the other end of the driving block is fixedly connected to the moving plate, and an electric telescopic rod is symmetrically fixedly connected to the support plate, and the other end of the electric telescopic rod is fixedly connected to the other side of the driving plate.
[0009] Preferably, the extension assembly further comprises a guide groove symmetrically slidably connected to the top of the shell, and the driving block is slidably connected in the guide groove.
[0010] Preferably, the movable plate is symmetrically provided with through grooves, and the through grooves are opposite to the lower arc-shaped plate.
[0011] Preferably, guide plates are symmetrically fixedly connected on both sides of the inner wall of the shell, sliding grooves are symmetrically provided on both sides of the movable plate, the guide plates are slidably connected in the sliding grooves, and the guide plates and the sliding grooves are arranged in a T shape.
[0012] Preferably, a placement base is evenly and fixedly connected to the bottom of the shell, and the placement base is distributed in a rectangular shape.
[0013] The beneficial effects achieved by the utility model using the above structure are as follows:
[0014] 1. Use the clamping assembly to tighten and fix the wires to prevent the connecting wires from loosening and inaccurate test results;
[0015] 2. Extend the moving plate out of the housing through the extension assembly to facilitate extending the placement rack out of the housing, and connect the connecting wire to the rear of the digital display to facilitate connecting the connecting wire to the digital display. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of this scheme;
[0017] Figure 2 This is a schematic diagram of the overall structure of this scheme from another perspective;
[0018] Figure 3 It is a schematic diagram of the overall cross-sectional structure of this scheme;
[0019] Figure 4 This is a schematic diagram of the overall cross-sectional structure from another perspective of this scheme;
[0020] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of A.
[0021] Among them, 1. shell, 2. extension component, 3. moving plate, 4. placement plate, 5. digital display, 6. placement frame, 7. clamping component, 8. sliding plate, 9. sliding block, 10. fixed block, 11. connecting rod, 12. damper, 13. spring, 14. upper clamping block, 15. lower clamping block, 16. upper arc plate, 17. lower arc plate, 18. driving plate, 19. driving block, 20. support plate, 21. electric telescopic rod, 22. guide groove, 23. through groove, 24. guide plate, 25. sliding groove, 26. placement base.
[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] like Figure 1-Figure 5 As shown, the present scheme is an electromagnetic interference-proof digital display meter test box, comprising a shell 1, and also comprising a moving plate 3 slidably connected to the shell 1, and an extending component 2 slidably connected to the top of the shell 1, the extending component 2 is fixedly connected to the moving plate 3, and a placement plate 4 is symmetrically fixedly connected to the moving plate 3, a placement frame 6 is fixedly connected to one side of the placement plate 4, a clamping component 7 is slidably connected to the placement frame 6, a digital display meter 5 is placed on the top of the placement plate 4, and the digital display meter 5 is arranged on one side of the placement frame 6, and a placement base 26 is evenly fixedly connected to the bottom of the shell 1, and the placement base 26 is distributed in a rectangular shape.
[0025] Among them, Figure 3 and Figure 4As shown, the clamping assembly 7 includes a sliding plate 8 slidably connected to the placement rack 6, sliding blocks 9 slidably connected to both sides of the top of the placement rack 6, and a damper 12 symmetrically fixedly connected to the placement rack 6, one end of the damper 12 is fixedly connected to the sliding block 9, the top of the sliding plate 8 is symmetrically fixedly connected with a fixed block 10, the fixed block 10 is symmetrically hinged with a connecting rod 11, the other end of the connecting rod 11 is hinged to the sliding block 9, a spring 13 is sleeved on the damper 12, one end of the spring 13 is fixedly connected to the sliding block 9, and the other end of the spring 13 is fixedly connected to the inner wall of the placement rack 6.
[0026] like Figure 3 and Figure 4 As shown, the clamping assembly 7 also includes an upper clamping block 14 fixedly connected to the sliding plate 8, and a lower clamping block 15 fixedly connected to the top of the placement plate 4. The placement frame 6 is covered on the lower clamping block 15. The upper clamping block 14 and the lower clamping block 15 are positioned opposite to each other. The upper clamping block 14 and the lower clamping block 15 are evenly provided with symmetrically arranged arc grooves. The bottom of the upper clamping block 14 is evenly fixedly connected with an upper arc plate 16. The top of the lower clamping block 15 is evenly fixedly connected with an upper arc plate 16. The upper arc plate 16 and the lower arc plate 17 are positioned opposite to each other.
[0027] like Figure 1-Figure 4 As shown, the extending component 2 includes a driving plate 18 slidably connected to the top of the shell 1, a support plate 20 fixedly connected to the top of the shell 1, and a driving block 19 symmetrically slidably connected to the top of the shell 1, the driving block 19 is fixedly connected to one side of the driving plate 18, and the other end of the driving block 19 is fixedly connected to the moving plate 3, and an electric telescopic rod 21 is symmetrically fixedly connected to the support plate 20, and the other end of the electric telescopic rod 21 is fixedly connected to the other side of the driving plate 18.
[0028] like Figure 1-Figure 4 As shown, the extending assembly 2 further includes a guide groove 22 symmetrically slidably connected to the top of the housing 1 , and the driving block 19 is slidably connected in the guide groove 22 .
[0029] like Figure 4 As shown, the movable plate 3 is symmetrically provided with through grooves 23 , and the through grooves 23 are opposite to the lower arc plate 17 .
[0030] like Figure 5 As shown, guide plates 24 are symmetrically fixedly connected to the inner wall of the shell 1 on both sides, and sliding grooves 25 are symmetrically provided on both sides of the movable plate 3. The guide plates 24 are slidably connected in the sliding grooves 25, and the guide plates 24 and the sliding grooves 25 are arranged in a T shape.
[0031] The beneficial effects achieved by the utility model using the above structure are as follows:
[0032] Embodiment 1, place the device in a suitable position, start the electric telescopic rod 21, the electric telescopic rod 21 drives the driving plate 18 to move, the driving plate 18 drives the driving block 19 to slide in the guide groove 22, the driving block 19 drives the moving plate 3 to move, the moving plate 3 drives the placement plate 4 to move, the moving plate 3 drives the guide plate 24 to move in the sliding groove 25, the placement plate 4 drives the placement frame 6 and the clamping assembly 7 to move out of the shell 1, and then the electric telescopic rod 21 stops, and the digital display 5 is placed on the top of the placement plate 4, so as to facilitate the placement frame 6 to extend out of the shell 1, connect the connecting wire to the rear of the digital display 5, and facilitate the connecting wire to connect the digital display 5.
[0033] Embodiment 2: This embodiment is based on the previous embodiment and connects the wires.
[0034] Specifically, the connecting wire is passed through the through slot 23, and the sliding plate 8 is pulled. The sliding plate 8 drives the upper clamping block 14 to move, the sliding block 9 drives the fixed block 10 to move, and the fixed block 10 drives the connecting rod 11 to move. The connecting rod 11 drives the sliding block 9 to slide on the top of the placement rack 6, and then the sliding block 9 and the inner wall of the placement rack 6 compress the damper 12, and at the same time, the sliding block 9 and the inner wall of the placement rack 6 compress the spring 13, pass the connecting wire through the lower arc plate 17, connect the connecting wire to the rear part of the digital display meter 5, and then release the sliding plate 8, and then the spring 13 is reset, the spring 13 drives the sliding block 9 to move, the sliding block 9 drives the connecting rod 11 and the fixed block 10 to move, the fixed block 10 drives the sliding plate 8 to move, the sliding plate 8 drives the upper clamping block 14 to move, the upper clamping block 14 drives the upper arc plate 16 to move, the upper arc plate 16 and the lower arc plate 17 compress the connecting wire, thereby realizing the compression and fixation of the wire, avoiding the loosening of the connecting wire and avoiding inaccurate detection results.
[0035] The above description of the utility model and its implementation methods is not restrictive. The drawings are only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A digital display meter test box for preventing electromagnetic interference, comprising a housing, characterized in that: It also includes a moving plate slidably connected to the shell, and an extending component slidably connected to the top of the shell, the extending component is fixedly connected to the moving plate, a placement plate is symmetrically fixedly connected to the moving plate, a placement rack is fixedly connected to one side of the placement plate, a clamping component is slidably connected to the placement rack, a digital display is placed on the top of the placement plate, and the digital display is arranged on one side of the placement rack.
2. The anti-electromagnetic interference digital display test box according to claim 1, characterized in that: The clamping assembly includes a sliding plate slidably connected to the placement rack, sliding blocks slidably connected to both sides of the top of the placement rack, and a damper symmetrically fixedly connected to the placement rack, one end of the damper is fixedly connected to the sliding block, the top of the sliding plate is symmetrically fixedly connected to a fixed block, the fixed block is symmetrically hinged with a connecting rod, the other end of the connecting rod is hinged to the sliding block, the damper is sleeved with a spring, one end of the spring is fixedly connected to the sliding block, and the other end of the spring is fixedly connected to the inner wall of the placement rack.
3. The anti-electromagnetic interference digital display test box according to claim 2, characterized in that: The clamping assembly also includes an upper clamping block fixedly connected to the sliding plate and a lower clamping block fixedly connected to the top of the placing plate. The placing frame cover is arranged on the lower clamping block. The upper clamping block and the lower clamping block are positioned opposite to each other. The upper clamping block and the lower clamping block are evenly provided with symmetrically arranged arc grooves. The bottom of the upper clamping block is evenly fixedly connected with an upper arc plate, and the top of the lower clamping block is evenly fixedly connected with an upper arc plate. The upper arc plate and the lower arc plate are positioned opposite to each other.
4. The electromagnetic interference-proof digital display meter test box according to claim 3, characterized in that: The extending assembly includes a driving plate slidably connected to the top of the shell, a support plate fixedly connected to the top of the shell, and a driving block symmetrically slidably connected to the top of the shell, the driving block is fixedly connected to one side of the driving plate, and the other end of the driving block is fixedly connected to the moving plate, and an electric telescopic rod is symmetrically fixedly connected to the support plate, and the other end of the electric telescopic rod is fixedly connected to the other side of the driving plate.
5. The electromagnetic interference-proof digital display meter test box according to claim 4, characterized in that: The extending assembly also includes a guide groove symmetrically slidably connected to the top of the shell, and the driving block is slidably connected in the guide groove.
6. The electromagnetic interference-proof digital display meter test box according to claim 5, characterized in that: The movable plate is symmetrically provided with through grooves, and the through grooves are opposite to the lower arc plate.
7. The electromagnetic interference-proof digital display meter test box according to claim 6, characterized in that: Guide plates are symmetrically fixedly connected to the inner walls of the shell, and sliding grooves are symmetrically arranged on both sides of the movable plate. The guide plates are slidably connected to the sliding grooves, and the guide plates and the sliding grooves are arranged in a T shape.
8. The electromagnetic interference-proof digital display meter test box according to claim 7, characterized in that: The bottom of the shell is evenly and fixedly connected with a placement base, and the placement base is distributed in a rectangular shape.