LED digital screen and LCD screen combined indicating instrument

Abstract

The utility model relates to the technical field of indicating instruments, in particular to an LED digital screen and LCD screen combined indicating instrument which comprises a shell, an installation groove is formed in the shell, an instrument assembly is installed in the installation groove, a sealing cover plate is installed on the top of the shell, and a fixing assembly is installed between the shell and the sealing cover plate. The outer wall of the shell is fixedly connected with four fixing lug plates which are distributed in a rectangular mode, the instrument assembly comprises a circuit board, LCD screen assemblies and LED screen assemblies, the circuit board is movably installed in an installation groove, the two LCD screen assemblies are fixedly installed at the two ends of the top of the circuit board, and the LED screen assemblies are fixedly installed in the circuit board. The LED screen assembly is fixedly installed on the top of the circuit board and located between the two LCD screen assemblies, and a wire harness is fixedly installed at the bottom of the circuit board. According to the utility model, external sundries and rainwater can be isolated through the sealing cover plate, instrument assemblies in the housing are protected, and assembly and disassembly can be rapidly completed.

Description

Technical Field

[0001] The utility model relates to the technical field of indicating instruments, in particular to an indicating instrument combined with an LED digital screen and an LCD screen. Background Art

[0002] An indicating instrument refers to an instrument that can indicate the measured value or its related value. With the maturity of motorcycle, electric vehicle, tricycle and automobile technology, vehicle technology has developed rapidly. Vehicle instruments are structures on the vehicle used to display data such as fuel level, gear position and speed in real time. Traditional vehicle instruments are mostly mechanical instruments or pure digital instruments. Mechanical instruments are prone to technical deficiencies such as pointer jitter and inaccurate indication, which will affect the stability and reliability of use; digital instruments have high requirements for waterproofing, and water vapor is prone to appear when the instrument is in use, which will affect the normal display of the instrument. In addition, the price of digital instruments is relatively high, so the applicability and practicality are limited.

[0003] Chinese utility model patent CN201720397493.6 discloses a combined indicating instrument of LED digital screen and LCD screen, including a digital screen bracket, a PC panel, a PCB circuit board, the PCB circuit board is fixed in the digital screen bracket through an epoxy resin layer sealing cover, an LCD screen mounting slot is provided in the center of the digital screen bracket, a backlight panel and an LCD liquid crystal screen are fixed in the LCD screen mounting slot from bottom to top, and an equally spaced and arc-shaped vehicle speed digital tube light-emitting cavity is provided on the edge of the digital screen bracket, and each segment of the seven-segment digital tube is respectively fixed in the vehicle speed digital tube light-emitting cavity. The structure of the utility model is reasonable, and it effectively combines the LED digital screen and the LCD screen, improves the grade of the instrument, and can effectively solve the technical problem that the LED display screen is not clear under strong light, improves the scope of application and the stability of use, and improves the stability and applicability of use, and has good practicality.

[0004] However, when the above patent is in use, foreign debris or rainwater can easily enter the interior of the device, causing damage to the device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a combined indicating instrument of an LED digital screen and an LCD screen.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an LED digital screen and LCD screen combined indicating instrument, comprising a shell, a mounting groove is opened inside the shell, an instrument component is installed inside the mounting groove, a sealing cover plate is installed on the top of the shell, and a fixing component is installed between the shell and the sealing cover plate.

[0007] Further: the outer wall of the shell is fixedly connected with four rectangularly distributed fixing ear plates.

[0008] Further: the instrument assembly includes a circuit board, an LCD screen assembly and an LED screen assembly, the circuit board is movably installed inside the mounting slot, the LCD screen assembly has two fixedly installed at both ends of the top of the circuit board, and the LED screen assembly is fixedly installed on the top of the circuit board and is located between the two LCD screen assemblies.

[0009] Further: a wiring harness is fixedly installed at the bottom of the circuit board, an end of the wiring harness away from the circuit board is fixedly connected to a data plug, and an end of the wiring harness away from the circuit board is fixedly connected to a power plug.

[0010] Further: the interior of the sealing cover is fixedly connected with tempered glass.

[0011] Further: the fixing assembly includes an L-shaped card block, a mounting block, a sliding groove, a sliding block, a fixed card block and a bolt, the L-shaped card block has two fixed connections at the bottom of the sealing cover plate, the mounting block has two fixed connections inside the shell and correspond to the L-shaped card block, the sliding groove is opened inside the mounting block, the sliding block is slidably installed inside the sliding groove, the fixed card block is fixedly connected to one end of the sliding block close to the L-shaped card block, and the bolt has two movably installed inside the shell and located inside the sliding block.

[0012] The utility model has the following beneficial effects:

[0013] 1. Compared with the prior art, by setting a shell, a mounting groove, a sealing cover and tempered glass, first, the instrument assembly is installed in the mounting groove inside the shell, and then the sealing cover is fixed to the top of the shell. The tempered glass inside the sealing cover can play an anti-collision and waterproof role, and does not affect the user's observation of the instrument assembly, solving the problem that external debris or rainwater can easily cause damage to the equipment.

[0014] 2. Compared with the prior art, by providing a shell, a mounting groove, a sealing cover plate, an L-shaped block, a mounting block, a sliding groove, a sliding block, a fixed block and a bolt, when in use, after the instrument assembly is installed inside the mounting groove, the sealing cover plate is installed on the top of the shell, the L-shaped block is installed inside the mounting block, and then the bolt is rotated. The rotation of the bolt causes the sliding block to slide forward in the sliding groove, while driving the fixed block to move forward at the same time, and fixing the L-shaped block inside the mounting block, so that the sealing cover plate can be fixed on the top of the shell. When disassembly is required, the bolt is rotated in the opposite direction to control the sliding block to move backward, while driving the fixed block to move backward, so that the sealing cover plate can be loosened, and assembly and disassembly can be completed quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model from a first perspective;

[0017] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 5 for Figure 4 Enlarged structural diagram at A in the middle.

[0020] Legend:

[0021] 1. Shell; 2. Fixed ear plate; 3. Mounting slot; 4. Circuit board; 5. LCD screen assembly; 6. LED screen assembly; 7. Wiring harness; 8. Data plug; 9. Power plug; 10. Sealing cover; 11. Tempered glass; 12. L-shaped block; 13. Mounting block; 14. Sliding slot; 15. Sliding block; 16. Fixed block; 17. Bolt. DETAILED DESCRIPTION

[0022] Reference Figure 1-4 The utility model provides an LED digital screen and LCD screen combined indicating instrument: comprising a shell 1, a mounting groove 3 is opened inside the shell 1, an instrument component is installed inside the mounting groove 3, a sealing cover plate 10 is installed on the top of the shell 1, and a fixing component is installed between the shell 1 and the sealing cover plate 10.

[0023] First, the instrument assembly is installed in the installation groove 3 inside the shell 1, and then the sealing cover 10 is fixed to the top of the shell 1 through the fixing assembly, and then the shell 1 is fixedly installed on the vehicle. The utility model can isolate external debris and rainwater from the outside through the sealing cover 10 to protect the instrument assembly inside the shell 1.

[0024] Four rectangularly distributed fixing ear plates 2 are fixedly connected to the outer wall of the housing 1 . When in use, the fixing ear plates 2 can be used to firmly fix the device on the vehicle.

[0025] The instrument assembly includes a circuit board 4, an LCD screen assembly 5 and an LED screen assembly 6. The circuit board 4 is movably installed inside the mounting slot 3. The LCD screen assembly 5 has two fixed parts installed at the top ends of the circuit board 4. The LED screen assembly 6 is fixedly installed on the top of the circuit board 4 and is located between the two LCD screen assemblies 5. When in use, the LCD screen assembly 5 is controlled by the circuit board 4 to display the remaining fuel and mileage; the LED screen assembly 6 is controlled to display the real-time mileage and fault information on the vehicle.

[0026] A wiring harness 7 is fixedly installed at the bottom of the circuit board 4, and a data plug 8 is fixedly connected to the end of the wiring harness 7 away from the circuit board 4, and a power plug 9 is fixedly connected to the end of the wiring harness 7 away from the circuit board 4. When in use, the signal data on the vehicle will be transmitted to the instrument assembly through the data plug 8; the power on the vehicle will be transmitted to the instrument assembly through the power plug 9.

[0027] The sealing cover plate 10 is fixedly connected to a tempered glass 11 inside, which can play a role of anti-collision and waterproofing, and does not affect the user's observation of the instrument assembly.

[0028] The fixing assembly includes an L-shaped block 12, a mounting block 13, a sliding groove 14, a sliding block 15, a fixed block 16 and a bolt 17. The L-shaped block 12 has two fixed connections at the bottom of the sealing cover plate 10, the mounting block 13 has two fixed connections inside the housing 1 and corresponds to the L-shaped block 12, the sliding groove 14 is provided inside the mounting block 13, the sliding block 15 is slidably installed inside the sliding groove 14, the fixed block 16 is fixedly connected to one end of the sliding block 15 close to the L-shaped block 12, and the bolt 17 has two movably installed inside the housing 1 and located inside the sliding block 15. When in use, After installing the instrument assembly inside the mounting groove 3, install the sealing cover plate 10 on the top of the housing 1, install the L-shaped block 12 inside the mounting block 13, and then rotate the bolt 17. The rotation of the bolt 17 causes the sliding block 15 to slide forward in the sliding groove 14, while driving the fixed block 16 to move forward at the same time. The L-shaped block 12 is fixed inside the mounting block 13, so that the sealing cover plate 10 can be fixed on the top of the housing 1. When disassembly is required, the bolt 17 is rotated in the opposite direction to control the sliding block 15 to move backward, while driving the fixed block 16 to move backward, so that the sealing cover plate 10 can be loosened.

[0029] Working principle: First, install the instrument component in the mounting groove 3 inside the housing 1, then install the instrument assembly inside the mounting groove 3, install the sealing cover plate 10 on the top of the housing 1, install the L-shaped block 12 inside the mounting block 13, and then rotate the bolt 17. The rotation of the bolt 17 makes the sliding block 15 slide forward in the sliding groove 14, and at the same time drives the fixed block 16 to move forward at the same time. The L-shaped block 12 is fixed inside the mounting block 13, so that the sealing cover plate 10 can be fixed on the top of the housing 1. Then, the device can be firmly fixed on the vehicle through the fixing ear plate 2, and then the data plug 8 and the power plug 9 are connected to the vehicle, and the power on the vehicle is transmitted to the instrument assembly through the power plug 9; the signal data on the vehicle is transmitted to the instrument assembly through the data plug 8, and then the LCD screen assembly 5 is controlled by the circuit board 4 to display the remaining fuel and mileage; the LED screen assembly 6 is controlled to display the real-time mileage and fault information on the vehicle.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED digital screen and LCD screen combined indicating instrument, comprising a housing (1), characterized in that: The housing (1) is provided with a mounting groove (3) inside which an instrument assembly is mounted. A sealing cover plate (10) is mounted on the top of the housing (1), and a fixing assembly is mounted between the housing (1) and the sealing cover plate (10).

2. The LED digital screen and LCD screen combined indicating instrument according to claim 1, characterized in that: Four rectangularly distributed fixing ear plates (2) are fixedly connected to the outer wall of the housing (1).

3. The LED digital screen and LCD screen combined indicating instrument according to claim 1, characterized in that: The instrument assembly comprises a circuit board (4), an LCD screen assembly (5) and an LED screen assembly (6); the circuit board (4) is movably mounted inside the mounting groove (3); the LCD screen assembly (5) has two ends fixedly mounted on the top of the circuit board (4); and the LED screen assembly (6) is fixedly mounted on the top of the circuit board (4) and is located between the two LCD screen assemblies (5).

4. The LED digital screen and LCD screen combined indicating instrument according to claim 3, characterized in that: A wiring harness (7) is fixedly mounted on the bottom of the circuit board (4); an end of the wiring harness (7) away from the circuit board (4) is fixedly connected to a data plug (8); and an end of the wiring harness (7) away from the circuit board (4) is fixedly connected to a power plug (9).

5. The LED digital screen and LCD screen combined indicating instrument according to claim 1, characterized in that: The sealing cover plate (10) is fixedly connected to the interior of the sealing cover plate (10) with tempered glass (11).

6. The LED digital screen and LCD screen combined indicating instrument according to claim 1, characterized in that: The fixing assembly comprises an L-shaped card block (12), a mounting block (13), a sliding groove (14), a sliding block (15), a fixing card block (16) and a bolt (17); the L-shaped card block (12) has two fixedly connected to the bottom of the sealing cover plate (10); the mounting block (13) has two fixedly connected to the inside of the housing (1) and corresponding to the L-shaped card block (12); the sliding groove (14) is arranged inside the mounting block (13); the sliding block (15) is slidably mounted inside the sliding groove (14); the fixing card block (16) is fixedly connected to one end of the sliding block (15) close to the L-shaped card block (12); and the bolt (17) has two movably mounted inside the housing (1) and located inside the sliding block (15).

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