Detachable display screen for gas detector

Abstract

The utility model discloses a detachable display screen for a gas detector, which comprises a middle shell, an upper cover, a PCB (printed circuit board) and a display screen unit, the display screen unit comprises a display module and a display panel, the middle shell is fixedly connected with the upper cover through a fastening rod, and the display panel comprises a display cover plate and function buttons. According to the display module, the middle shell and the upper cover are combined through the locking rod, it is guaranteed that the PCB and the display module are disassembled and assembled conveniently, in the normal state, the position of the protruding strip is maintained through attraction of the magnetic attraction piece and the metal piece, the transparent protection plate is erected on the front side of the display cover plate and the function button, and therefore protection of the cover plate and the function button is achieved; the magnetic attraction piece is subsequently pushed to be separated from the metal piece, the transparent protection plate is made to move to the horizontal limit position, at the moment, operation of the function key can be conducted, and the cleaning strip can clean the display cover plate in the process that the transparent protection plate is pulled open and combined.

Description

Technical Field

[0001] This utility model relates to the field of gas detector technology, and in particular to a detachable display screen for a gas detector. Background Technology

[0002] A home combustible gas detector is a device used to detect the concentration of combustible gas in a home environment. When the gas concentration reaches a preset threshold, the detector will trigger an alarm to remind residents to take appropriate measures to avoid potential dangers.

[0003] Chinese Patent Publication No. CN307264925S, published on 20220415, discloses a household combustible gas detector. Its main body includes a detection alarm body and a connecting base. The detection alarm body includes a middle shell, a top cover, a PCB board, and a display screen assembly. The display screen assembly includes a display module integrated on the PCB board and a display panel disposed on the top cover.

[0004] The existing display panel consists of a display cover and function buttons that correspond to the display module. In practice, both the display cover and function buttons are exposed. This poses a risk of accidental button presses, and external dust and other impurities easily accumulate on the display cover. Therefore, there is an urgent need to develop a detachable display screen for gas detectors to address these issues. Utility Model Content

[0005] The purpose of this invention is to provide a detachable display screen for a gas detector in order to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A detachable display screen for a gas detector includes a middle shell, a top cover, a PCB board, and a display screen unit. The display screen unit includes a display module and a display panel. The middle shell and the top cover are fixedly connected by a fastening rod. The display panel includes a display cover plate and function buttons. An outer frame is fixedly connected to the front side of the display panel. A transparent protective plate and a magnetic suction component for positioning the transparent protective plate are integrated into the inner surface of the outer frame. A cleaning component for cleaning the display cover plate is provided on the rear end face of the transparent protective plate.

[0008] Preferably, the transparent protective plate has an L-shaped structure, and a protruding strip is fixedly connected to the open end of the transparent protective plate.

[0009] Preferably, the protrusion is fixedly connected to the transparent protective plate by screws.

[0010] Preferably, the cleaning component includes a liner fixedly connected to the rear end face of the transparent protective plate, and a cleaning strip is fixedly connected to the inner surface of the liner by an adhesive, and the rear end face of the cleaning strip abuts against the display panel.

[0011] Preferably, the magnetic suction assembly includes a magnetic suction piece and a metal piece that are magnetically connected, and the magnetic suction piece and the metal piece are respectively fixedly connected to the protrusion and the outer frame.

[0012] Preferably, a mounting plate is fixedly connected to the outer wall of the outer frame, and the mounting plate is fixedly connected to the display panel by a locking rod.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0014] 1. In this application, the middle shell and the top cover are combined by locking rods to ensure convenient disassembly and assembly of the PCB board and the display module. Under normal conditions, the position of the protruding strip is maintained by the attraction of the magnetic piece and the metal piece. The transparent protective plate is mounted on the front side of the display cover and the function button to protect the cover and the function button. Subsequently, the magnetic piece and the metal piece are pushed to separate, and the transparent protective plate is moved to the horizontal limit position. At this time, the function button can be operated. During the process of opening and closing the transparent protective plate, the cleaning strip can clean the display cover.

[0015] 2. In this application, the raised strip and the transparent protective plate are fixedly connected by screws, and the cleaning strip is fixed to the inner surface of the liner by adhesive. After separating the raised strip and the transparent protective plate, the transparent protective plate can be separated from the outer frame, at which point the cleaning strip can be easily disassembled and replaced. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure according to an embodiment of the present utility model is shown;

[0017] Figure 2 A schematic diagram of a display panel structure according to an embodiment of the present invention is shown;

[0018] Figure 3 A schematic diagram of the liner structure provided according to an embodiment of the present utility model is shown;

[0019] Figure 4 A schematic diagram of a raised strip structure according to an embodiment of the present invention is shown.

[0020] Legend:

[0021] 1. Middle shell; 2. PCB board; 3. Display module; 4. Top cover; 5. Display panel; 6. Display cover plate; 7. Function button; 8. Outer frame; 9. Mounting piece; 10. Locking rod; 11. Transparent protective plate; 12. Cleaning strip; 13. Liner frame; 14. Raised strip; 15. Magnetic suction piece; 16. Metal piece. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A detachable display screen for a gas detector includes a middle shell 1, a top cover 4, a PCB board 2, and a display screen unit. The display screen unit includes a display module 3 and a display panel 5. The middle shell 1 and the top cover 4 are fixedly connected by a fastening rod. The display panel 5 includes a display cover plate 6 and function buttons 7. An outer frame 8 is fixedly connected to the front side of the display panel 5. A transparent protective plate 11 and a magnetic suction component for positioning the transparent protective plate 11 are integrated on the inner surface of the outer frame 8. A cleaning component for cleaning the display cover plate 6 is provided on the rear end face of the transparent protective plate 11.

[0025] The combination of the middle shell 1 and the upper cover 4, which are fixed by fastening rods, ensures the convenience of disassembling and assembling the PCB board 2 and the display module 3. Under normal conditions, the position of the protrusion 14 is maintained by the attraction of the magnetic piece 15 and the metal piece 16. The transparent protective plate 11 is mounted on the front side of the display cover 6 and the function button 7 to protect the display cover 6 and the function button 7. Subsequently, the magnetic piece 15 and the metal piece 16 are pushed to separate, and the transparent protective plate 11 is moved to the horizontal limit position. At this time, the function button 7 can be operated. During the process of opening and closing the transparent protective plate 11, the cleaning strip 12 can clean the display cover 6.

[0026] Specifically, such as Figure 2 and Figure 4As shown, the transparent protective plate 11 has an L-shaped structure, and a protruding strip 14 is fixedly connected to the open end of the transparent protective plate 11. The L-shaped structure of the transparent protective plate 11 ensures the convenience of manual extension. The protruding strip 14 is fixedly connected to the transparent protective plate 11 by screws. The cleaning component includes a liner 13 fixedly connected to the rear end face of the transparent protective plate 11. A cleaning strip 12 is fixedly connected to the inner wall of the liner 13 by adhesive, and the rear end face of the cleaning strip 12 abuts against the display panel 5. The protruding strip 14 is fixedly connected to the transparent protective plate 11 by screws, and the cleaning strip 12 is fixed to the inner wall of the liner 13 by adhesive. After separating the protruding strip 14 from the transparent protective plate 11, the transparent protective plate 11 can be separated from the outer frame 8, at which time the cleaning strip 12 can be easily disassembled and replaced.

[0027] Specifically, such as Figure 2 and Figure 3 As shown, the magnetic assembly includes a magnetically connected magnetic piece 15 and a metal piece 16. The magnetic piece 15 and the metal piece 16 are fixedly connected to the protrusion 14 and the outer frame 8, respectively, thereby ensuring the convenient separation of the transparent protective plate 11. An mounting piece 9 is fixedly connected to the outer wall of the outer frame 8. The mounting piece 9 is fixedly connected to the display panel 5 through a locking rod 10, thereby ensuring the convenient assembly and disassembly of the outer frame 8 and the transparent protective plate 11 from the display panel 5.

[0028] Working principle: The combination of the middle shell 1 and the upper cover 4, which are fixed by fastening rods, ensures the convenient disassembly and assembly of the PCB board 2 and the display module 3. Under normal conditions, the position of the protruding strip 14 is maintained by the attraction of the magnetic clasp 15 and the metal sheet 16. The transparent protective plate 11 is mounted on the front side of the display cover 6 and the function button 7, thereby protecting the display cover 6 and the function button 7. Subsequently, the magnetic clasp 15 and the metal sheet 16 are pushed to separate, and the transparent protective plate 11 is moved to the horizontal limit position. At this time, the function button 7 can be operated. During the process of opening and closing the transparent protective plate 11, the cleaning strip 12 can clean the display cover 6. The protruding strip 14 and the transparent protective plate 11 are fixedly connected by screws, and the cleaning strip 12 is fixed to the inner wall of the liner frame 13 by adhesive. After separating the protruding strip 14 and the transparent protective plate 11, the transparent protective plate 11 can be separated from the outer frame 8. At this time, the cleaning strip 12 can be easily disassembled and replaced.

[0029] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A detachable display screen for a gas detector, comprising a middle shell (1), a top cover (4), a PCB board (2), and a display screen unit, wherein the display screen unit comprises a display module (3) and a display panel (5), characterized in that, The middle shell (1) and the upper cover (4) are fixedly connected by a fastening rod. The display panel (5) includes a display cover (6) and a function button (7). An outer frame (8) is fixedly connected to the front side of the display panel (5). A transparent protective plate (11) and a magnetic suction component for positioning the transparent protective plate (11) are integrated on the inner surface of the outer frame (8). A cleaning component for cleaning the display cover (6) is provided on the rear end face of the transparent protective plate (11).

2. A detachable display screen for a gas detector according to claim 1, characterized in that, The transparent protective plate (11) has an L-shaped structure, and a protrusion (14) is fixedly connected to the open end of the transparent protective plate (11).

3. A detachable display screen for a gas detector according to claim 2, characterized in that, The protrusion (14) is fixedly connected to the transparent protective plate (11) by screws.

4. A detachable display screen for a gas detector according to claim 3, characterized in that, The cleaning assembly includes a liner (13) fixedly connected to the rear end face of the transparent protective plate (11). A cleaning strip (12) is fixedly connected to the inner surface of the liner (13) by an adhesive, and the rear end face of the cleaning strip (12) abuts against the display panel (5).

5. A detachable display screen for a gas detector according to claim 4, characterized in that, The magnetic suction assembly includes a magnetic suction piece (15) and a metal piece (16) connected by magnetic attraction. The magnetic suction piece (15) and the metal piece (16) are respectively fixedly connected to the protrusion (14) and the outer frame (8).

6. A detachable display screen for a gas detector according to claim 5, characterized in that, The outer frame (8) has a mounting plate (9) fixedly connected to its outer wall. The mounting plate (9) is fixedly connected to the display panel (5) by a locking rod (10).

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