Fuel gas alarm convenient for replacing filter screen

Abstract

The utility model discloses a fuel gas alarm with a filter screen convenient to replace, relates to the technical field of fuel gas alarms, and aims to solve the problems in the prior art that an oil-smoke-proof filter screen of an existing fuel gas alarm is not easy to disassemble and assemble, the replacement and cleaning of the filter screen are influenced, and the practicability is poor. A gas alarm body is fixedly installed in the protective shell, gas inlet boxes are symmetrically and fixedly installed below the two sides of the protective shell respectively, vent holes are symmetrically formed below the two sides of the protective shell respectively and communicate with the gas inlet boxes, and a plurality of filter frames are arranged in the gas inlet boxes. A filter screen is fixedly mounted in the filter frame, a second plate groove is formed in one side of the air inlet box along one side of the filter frame, the filter frame extends into the second plate groove, a second sealing plate is arranged in the second plate groove, and the second sealing plate is fixedly connected with the filter frame through screws; and a second handle is fixedly mounted on one side of the second sealing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of gas alarms, in particular to a gas alarm which is convenient for replacing a filter screen. Background Art

[0002] The gas alarm is also called a gas leak detection alarm instrument. It is a safety device used to detect gas leaks. Its core component is a gas sensor. When the concentration of gas in the air exceeds the set value, the detector will be triggered to alarm and send out an audible and visual alarm signal. The gas alarm can monitor the leakage of methane, propane and other combustible gases in real time, and when the gas concentration reaches the preset critical point, it will send out an alarm signal to remind users or staff to take timely measures, such as closing the gas valve, ventilation, etc., so as to avoid accidents such as gas explosion, fire or poisoning. In order to reduce the oil stains attached to the gas alarm when it is used in the kitchen environment, a filtering structure is often installed on the gas alarm;

[0003] For example, the patent with announcement number CN219695825U (a gas alarm): comprises a shield, the inner cavity side wall of the shield is equipped with a gas alarm, the lower end of the shield is connected to an air suction structure through a mounting structure, the surface of the air suction structure is symmetrically penetrated with an exhaust structure, and the exhaust structure extends into the shield;

[0004] Although the above-mentioned existing technology can prevent oil smoke and the like from directly entering the gas alarm, it is not convenient to replace the filter. Furthermore, the oil smoke filter of the existing gas alarm is not easy to disassemble and assemble, which affects the replacement and cleaning of the filter and has poor practicality. Therefore, the market urgently needs to develop a gas alarm that is easy to replace the filter to help people solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a gas alarm with an easy-to-replace filter, so as to solve the problem in the above-mentioned background technology that the oil fume filter of the existing gas alarm is difficult to disassemble and assemble, which affects the replacement and cleaning of the filter and has poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas alarm that is easy to replace the filter, comprising a protective shell, a gas alarm body is fixedly installed inside the protective shell, an air intake box is symmetrically fixedly installed below both sides of the protective shell, air vents are symmetrically arranged below both sides of the protective shell, and the air vents are connected to the air intake box, a filter frame is arranged inside the air intake box, and a plurality of filter frames are arranged, a filter is fixedly installed inside the filter frame, a second plate groove is arranged on one side of the air intake box along one side of the filter frame, the filter frame extends into the second plate groove, a second sealing plate is arranged inside the second plate groove, and the second sealing plate is fixedly connected to the filter frame by screws, and a second handle is fixedly installed on one side of the second sealing plate.

[0007] Preferably, a rubber block is fixedly installed inside the air intake box along one side of the second plate groove, a circular cavity is provided inside the rubber block, a round head is fixedly installed above one side of the second sealing plate, the round head is inserted into the circular cavity, and the inner diameter of the circular cavity is smaller than the outer diameter of the round head.

[0008] Preferably, a bottom trough body is provided at the bottom of the air intake box, a first plate trough is provided along one side of the bottom trough body on one side of the air intake box, and the bottom trough body extends into the interior of the first plate trough.

[0009] Preferably, a first sealing plate is provided inside the first plate slot, the first sealing plate is fixedly connected to the bottom slot body by screws, and a first handle is fixedly mounted on one side of the first sealing plate.

[0010] Preferably, a flow hole is provided on one side of the air intake box, and a guide block is fixedly installed in the middle below the protective shell.

[0011] Preferably, support plates are symmetrically arranged on both sides below the filter frame, and the support plates are fixedly connected to the air intake box by screws.

[0012] Preferably, a front cover is installed at the front end of the protective shell, and the protective shell and the front cover are fixedly connected by screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides an air intake box, and a filter frame with a filter plate is arranged inside the air intake box, so that when oil smoke enters, the oil in the oil smoke can adhere to the filter screen when passing through the multiple filter screens, thereby removing the oil in the oil smoke and reducing the oil stain on the gas alarm. In addition, by providing a second sealing plate and a second handle, the second sealing plate can drive the filter frame to move and be pulled out from the inside of the air intake box by pulling the second handle, thereby increasing the convenience of disassembly and assembly of the filter screen and improving the convenience of replacing and cleaning the filter screen.

[0015] The utility model has a rubber block fixedly installed along one side of the second plate groove inside the air intake box, a circular cavity is provided inside the rubber block, and a round head is fixedly installed above one side of the second sealing plate, the inner diameter of the circular cavity is smaller than the outer diameter of the round head, so that when the filter frame is installed inside the air intake box, the round head can be inserted into the circular cavity of the rubber block, so that the position of the second sealing plate is stabilized, thereby increasing the stability of the filter screen when used.

[0016] The utility model arranges a bottom trough body at the bottom of the air intake box, so that the oil in the flue gas retained by the filter can drip downward into the bottom trough body after being gathered, which is convenient for collecting the dirty oil. The first handle pulls the first sealing plate to move, so that the bottom trough body can be pulled out of the air intake box, which increases the convenience of cleaning the dirty oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a gas alarm that is convenient for replacing the filter screen of the utility model;

[0018] Figure 2 This is a cross-sectional view of a gas alarm that is convenient for replacing the filter screen of the utility model;

[0019] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0020] Figure 4 It is an enlarged schematic diagram of the B part of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the filter frame of the utility model;

[0022] Figure 6 It is an enlarged schematic diagram of the C portion of the utility model.

[0023] In the figure: 1, protective shell; 101, vent; 2, front cover; 3, gas alarm body; 4, air inlet box; 401, flow hole; 402, first plate slot; 403, second plate slot; 5, bottom slot body; 6, filter frame; 7, guide block; 8, first sealing plate; 9, first handle; 10, support plate; 11, second sealing plate; 12, second handle; 13, filter screen; 14, round head; 15, rubber block; 1501, round cavity. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-6The utility model provides an embodiment: a gas alarm that is easy to replace the filter, including a protective shell 1, a gas alarm body 3 is fixedly installed inside the protective shell 1, an air intake box 4 is symmetrically fixedly installed below both sides of the protective shell 1, vents 101 are symmetrically arranged below both sides of the protective shell 1, and the vents 101 are connected to the air intake box 4, a filter frame 6 is arranged inside the air intake box 4, and the filter frame 6 is provided with multiple, a filter 13 is fixedly installed inside the filter frame 6, a second plate groove 403 is arranged on one side of the air intake box 4 along one side of the filter frame 6, the filter frame 6 extends into the second plate groove 403, a second sealing plate 11 is arranged inside the second plate groove 403, and the second sealing plate 11 is fixedly connected to the filter frame 6 by screws, and a second handle 12 is fixedly installed on one side of the second sealing plate 11.

[0026] During use, when oil smoke enters the air intake box 4, the multiple filters 13 are set up so that the oil in the oil smoke can adhere to the filters 13 when passing through, thereby removing the oil in the oil smoke and reducing the oil stains on the gas alarm. In addition, by setting the second sealing plate 11 and the second handle 12, the second sealing plate 11 can drive the filter frame 6 to move and be pulled out from the inside of the air intake box by pulling the second handle 12, thereby increasing the convenience of disassembly and assembly of the filters 13 and improving the convenience of replacing and cleaning the filters 13.

[0027] Furthermore, a rubber block 15 is fixedly installed inside the air intake box 4 along one side of the second plate groove 403, and a circular cavity 1501 is provided inside the rubber block 15. A round head 14 is fixedly installed above one side of the second sealing plate 11, and the round head 14 is inserted into the circular cavity 1501. The inner diameter of the circular cavity 1501 is smaller than the outer diameter of the round head 14, so that when the round head 14 is inserted into the circular cavity 1501, it will squeeze the rubber block 15, and the elastic force of the rubber block 15 can shrink and tighten the circular cavity 1501, thereby increasing the stability of the round head 14 inserted into the rubber block 15.

[0028] Furthermore, a bottom trough body 5 is provided at the bottom of the air intake box 4, and a first plate trough 402 is provided along one side of the bottom trough body 5 on one side of the air intake box 4. The bottom trough body 5 extends into the interior of the first plate trough 402, so that the oil in the flue gas retained by the filter 13 can drip downward into the bottom trough body 5 after being gathered, thereby facilitating the collection of the dirty oil.

[0029] Furthermore, a first sealing plate 8 is provided inside the first plate groove 402, and the first sealing plate 8 is fixedly connected to the bottom groove body 5 by screws. A first handle 9 is fixedly installed on one side of the first sealing plate 8. By pulling the first handle 9 to move the first sealing plate 8, the bottom groove body 5 can be pulled out of the air intake box 4, thereby increasing the convenience of cleaning the dirty oil.

[0030] Furthermore, a flow hole 401 is provided on one side of the air intake box 4 , and a guide block 7 is fixedly installed in the middle below the protective shell 1 to facilitate guiding the air to flow into the air intake box 4 .

[0031] Furthermore, support plates 10 are symmetrically arranged on both sides below the filter frame 6 , and the support plates 10 are fixedly connected to the air intake box 4 by screws, thereby increasing the stability of the filter frame 6 .

[0032] Furthermore, a front cover 2 is installed at the front end of the protective shell 1, and the protective shell 1 and the front cover 2 are fixedly connected by screws, which makes it convenient to open the protective shell 1 to disassemble and assemble the gas alarm body 3, thereby increasing practicality.

[0033] Working principle: During use, when the gas alarm is in use, the oil smoke enters the interior of the air intake box 4 through the circulation hole 401, and then the oil in the oil smoke can be attached to the filter structure and removed through the action of the multiple filters 13, and then the smoke after deoiling flows into the interior of the protective shell through the vent, which is convenient for the detection of the gas alarm body 3, and the oil in the smoke retained by the filter 13 can drip down into the bottom trough body 5 after convergence, which is convenient for collecting the dirty oil, and by pulling the second handle 12, the second sealing plate 11 can drive the filter frame 6 to move and be pulled out from the inside of the air intake box 4, which increases the convenience of disassembly and assembly of the filter 13 and improves the convenience of replacement and cleaning of the filter 13.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A gas alarm for facilitating replacement of a filter screen, comprising a protective shell (1), characterized in that: A gas alarm body (3) is fixedly installed inside the protective shell (1), and an air intake box (4) is symmetrically fixedly installed below both sides of the protective shell (1). Ventilation holes (101) are symmetrically arranged below both sides of the protective shell (1), and the ventilating holes (101) are communicated with the air intake box (4). A filter frame (6) is arranged inside the air intake box (4), and a plurality of filter frames (6) are arranged. A filter screen (13) is fixedly installed inside the filter frame (6). A second plate groove (403) is arranged along one side of the filter frame (6) on one side of the air intake box (4), and the filter frame (6) extends into the second plate groove (403). A second sealing plate (11) is arranged inside the second plate groove (403), and the second sealing plate (11) is fixedly connected to the filter frame (6) by screws. A second handle (12) is fixedly installed on one side of the second sealing plate (11).

2. A gas alarm that is easy to replace the filter according to claim 1, characterized in that: A rubber block (15) is fixedly mounted inside the air intake box (4) along one side of the second plate groove (403), a circular cavity (1501) is provided inside the rubber block (15), a round head (14) is fixedly mounted above one side of the second sealing plate (11), the round head (14) is inserted into the circular cavity (1501), and the inner diameter of the circular cavity (1501) is smaller than the outer diameter of the round head (14).

3. A gas alarm that is easy to replace the filter according to claim 1, characterized in that: A bottom trough body (5) is provided at the bottom of the air intake box (4), a first plate trough (402) is provided on one side of the air intake box (4) along one side of the bottom trough body (5), and the bottom trough body (5) extends into the interior of the first plate trough (402).

4. A gas alarm that is easy to replace the filter according to claim 3, characterized in that: A first closing plate (8) is provided inside the first plate slot (402), the first closing plate (8) being fixedly connected to the bottom slot body (5) by means of screws, and a first handle (9) is fixedly mounted on one side of the first closing plate (8).

5. A gas alarm that is easy to replace the filter according to claim 1, characterized in that: A flow hole (401) is provided on one side of the air intake box (4), and a guide block (7) is fixedly installed in the middle below the protective shell (1).

6. A gas alarm that is easy to replace the filter according to claim 1, characterized in that: Support plates (10) are symmetrically arranged on both sides below the filter frame (6), and the support plates (10) are fixedly connected to the air intake box (4) by means of screws.

7. A gas alarm that is easy to replace the filter according to claim 1, characterized in that: A front cover (2) is installed at the front end of the protective shell (1), and the protective shell (1) and the front cover (2) are fixedly connected by screws.

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