Protective shell of smoke alarm sensor

By designing a snap-on slot structure that is easy to disassemble and assemble and a threaded smoke alarm sensor protective shell, the problem of cumbersome installation and inconvenient replacement of smoke alarms is solved, and rapid installation and replacement is achieved, improving safety and convenience.

CN223078758UActive Publication Date: 2025-07-08LIAONING ZHONGCHENG FIRE ENG CO LTD
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Patent Information

Application Number
CN202422050268.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-07-08
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

The installation and replacement of existing smoke alarms is complicated, resulting in safety hazards in the event of failure and is prone to damage to the wall due to the disassembly and assembly process.

Method used

A smoke alarm sensor protective shell is designed, which adopts snap and slot structure for quick disassembly and assembly, and combines threaded connection and filter structure to ensure stable installation and rapid replacement of smoke alarm.

Benefits of technology

It realizes rapid installation and replacement of smoke alarms, reduces damage to the wall during disassembly and assembly, and improves safety and convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223078758U_ABST
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Abstract

The utility model discloses a smoke alarm sensor protective housing comprising a protective housing upper cover, the outer wall of the upper surface of the protective housing upper cover is fixedly connected with a first through hole, the outer wall of the lower surface of the protective housing upper cover is fixedly connected with a second through hole, and the surface where the second through hole is located is embedded into a connecting switch. An alarm lamp is embedded in the outer wall of the switch cylinder, a protective shell lower body is clamped below the alarm lamp, a clamping groove is formed in the outer wall of the upper side of the protective shell lower body, an external thread is arranged below the clamping groove, a filter screen is arranged in the protective shell upper cover, and a smoke alarm sensor is arranged below the filter screen. Through the above structure, the buckle and the clamping groove facilitate the disassembly of the protective housing upper cover, facilitate the inspection of the smoke alarm sensor, the internal thread and the external thread structure, facilitate the disassembly of the smoke alarm sensor from the installation base fixed on the wall, do not need to disassemble screws, save time and labor, and facilitate replacement.
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Description

Technical Field

[0001] The utility model relates to the technical field of protective shells for smoke alarms, and particularly relates to a protective shell for a smoke alarm sensor. Background Technique

[0002] A smoke alarm, also known as a smoke sensor or a smoke detector, is a device that can detect the smoke generated during a fire and issue an alarm. It mainly realizes fire prevention by monitoring the smoke concentration. It plays an important role in preventing fires and protecting the lives and property of people. Smoke alarms are widely used in various places, including homes, offices, shopping malls, hotels, schools, hospitals, etc. In home places, smoke alarms are usually installed in main areas such as living rooms and bedrooms; in commercial places, they need to be installed according to the specific situation and requirements of the place. The protective shell of the smoke alarm is an important part of the smoke alarm. It is mainly used to protect the internal components of the smoke alarm from the influence of the external environment, such as dust, water vapor, insects, etc., to ensure the normal operation and accurate alarm of the smoke alarm.

[0003] The smoke alarm sensor is mainly installed on the top of scenes such as homes, offices, shopping malls, hotels, schools, hospitals, etc. Therefore, the installation of the smoke alarm sensor is always very troublesome. Once a failure occurs, it always takes a long time to replace it. During this period, potential safety hazards are likely to occur, causing injuries to people. For this reason, we propose a protective shell for a smoke alarm sensor to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a protective shell for a smoke alarm sensor to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, a protective shell for a smoke alarm sensor is provided, including an upper cover of the protective shell. It is characterized in that a first through hole is fixedly connected to the outer wall of the upper surface of the upper cover of the protective shell, a second through hole is fixedly connected to the outer wall of the lower surface of the upper cover of the protective shell, a switch is embedded and connected to the surface where the second through hole is located, an alarm lamp is embedded and linked to the outer wall of the cylinder of the switch, a lower body of the protective shell is clamped below the alarm lamp, a clamping groove is arranged on the outer wall of the upper side of the lower body of the protective shell, an external thread is arranged below the clamping groove, an installation base is arranged below the external thread, a filter screen is arranged inside the upper cover of the protective shell, and a smoke alarm sensor is arranged below the filter screen.

[0006] According to the protective shell for a smoke alarm sensor described above, the upper cover of the protective shell is in a cylindrical shape, and a buckle is fixedly connected to the lower side of the upper cover of the protective shell, and the buckle is in an L shape.

[0007] According to the described protective housing for a smoke alarm sensor, there is a boss on the outer wall of the lower side of the lower body of the protective housing, and an external thread is provided on the boss. The lower body of the protective housing is screwed to the mounting base. A card slot is provided on the upper edge of the lower body of the protective housing, and the smoke alarm sensor is fixedly connected to the middle of the outer wall of the upper surface of the lower body of the protective housing.

[0008] According to the described protective housing for a smoke alarm sensor, the mounting base includes screw holes and internal threads. There are multiple screw holes, which are evenly distributed on the bottom surface of the mounting base, and the internal threads are provided on the inner wall of the upper cylindrical body of the mounting base.

[0009] According to the described protective housing for a smoke alarm sensor, the number of the first through holes is two, which are fixedly connected to the bosses on the upper side surface of the upper cover of the protective housing. The number of the second through holes is multiple, which are fixedly connected to the upper side surface of the upper cover of the protective housing and are evenly distributed.

[0010] According to the described protective housing for a smoke alarm sensor, the number of the alarm lights is multiple, which are symmetrically distributed on the cylindrical outer wall of the upper cover of the protective housing.

[0011] According to the described protective housing for a smoke alarm sensor, the number of the card slots is the same as that of the buckles and they correspond one by one, connecting the upper cover of the protective housing and the lower body of the protective housing together.

[0012] The beneficial effects of the present utility model are as follows: The smoke can smoothly enter the smoke alarm through the through holes. The small insects can be excluded outside the alarm through the filter screen, preventing interference with the alarm effect or even causing damage to the alarm. The alarm can be turned off through the switch when it is determined to be safe. Others can be quickly reminded of the smoke here through the alarm lights. The upper cover of the protective housing and the lower body of the protective housing can be quickly disassembled through the buckles and the card slots, facilitating the observation of the alarm inside. The smoke alarm can be conveniently disassembled and assembled through the external thread and the internal thread. When problems occur, it can be quickly removed and replaced. The smoke alarm sensor can be fixed in the room through the screw holes.

[0013] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Brief Description of the Drawings

[0014] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0015] Figure 1 It is a three-dimensional view of a protective housing for a smoke alarm sensor of the present utility model;

[0016] Figure 2 It is a partial schematic view of one side of the external thread of a protective housing for a smoke alarm sensor of the present utility model;

[0017] Figure 3 This is the installation base diagram of a protective housing for a smoke alarm sensor of the present utility model;

[0018] Figure 4 This is the sectional view of the protective housing of a smoke alarm sensor of the present utility model;

[0019] Figure 5 This is the enlarged view of part A of a protective housing for a smoke alarm sensor of the present utility model.

[0020] Legend description:

[0021] 1. Protective housing main body; 2. Protective housing upper cover; 3. First through hole; 4. Second through hole; 5. Switch; 6. Alarm lamp; 7. Installation base; 8. Protective housing lower body; 9. External thread; 10. Filter screen; 11. Buckle; 12. Card slot; 13. Smoke alarm sensor; 71. Screw hole; 72. Internal thread. Detailed implementation manners

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.

[0023] Embodiment:

[0024] Refer to Figures 1 to 5, an embodiment of the utility model provides a protective housing for a smoke alarm sensor, which includes an upper cover 2 of the protective housing. It is characterized in that a first through hole 3 is fixedly connected to the outer wall of the upper surface of the upper cover 2 of the protective housing, a second through hole 4 is fixedly connected to the outer wall of the lower surface of the upper cover 2 of the protective housing, a switch 5 is embedded and connected to the surface where the second through hole 4 is located, an alarm lamp 6 is embedded and linked to the outer wall of the cylinder of the switch 5, a lower body 8 of the protective housing is clamped below the alarm lamp 6, a clamping groove 12 is arranged on the outer wall of the upper side of the lower body 8 of the protective housing, an external thread 9 is arranged below the clamping groove 12, an installation base 7 is arranged below the external thread 9, a filter net 10 is arranged inside the upper cover 2 of the protective housing, a smoke alarm sensor 13 is arranged below the filter net 10, the main body of the protective housing 1 includes the upper cover 2 of the protective housing, the lower body 8 of the protective housing, and the installation base 7. The upper cover 2 of the protective housing is cylindrical, a buckle 11 is fixedly connected to the lower side of the upper cover 2 of the protective housing, the buckle 11 is L-shaped, there is a boss on the outer wall of the lower side of the lower body 8 of the protective housing, and an external thread 9 is arranged on the boss. The lower body 8 of the protective housing is screwed to the installation base 7. A clamping groove 12 is formed on the upper edge of the lower body 8 of the protective housing. The smoke alarm sensor 13 is fixedly connected to the middle of the outer wall of the upper surface of the lower body 8 of the protective housing. The installation base 7 includes a screw hole 71 and an internal thread 72. There are multiple screw holes 71, which are evenly distributed on the bottom surface of the installation base 7. The internal thread 72 is arranged on the inner wall of the cylinder on the upper side of the installation base 7. The number of the first through holes 3 is two, and they are fixedly connected to the bosses on the upper side surface of the upper cover 2 of the protective housing. The number of the second through holes 4 is multiple, and they are fixedly connected to the upper side surface of the upper cover 2 of the protective housing and are evenly distributed. The number of the alarm lamps 6 is multiple, and they are symmetrically distributed on the cylindrical outer wall of the upper cover 2 of the protective housing. The number of the clamping grooves 12 and the buckles 11 is the same and they correspond one by one, connecting the upper cover 2 of the protective housing and the lower body 8 of the protective housing together. The first through hole 3 and the second through hole 4 can allow smoke to enter the smoke alarm sensor 13 for convenient detection. The switch 5 can turn off the smoke alarm sensor 13 after safety. The alarm lamp 6 can remind others that there is smoke, which is convenient for others to notice. The buckles 11 and the clamping grooves 12 are connected in a one-to-one correspondence, which is convenient for installation and observing the smoke alarm sensor 13. Insert a screw into the screw hole 71 to fix the installation base 7 on the wall. The structure of the internal thread 72 and the external thread 9 can replace the smoke alarm sensor 13 that has problems at any time.

[0025] Working principle: When in use, first rotate the upper cover 2 of the protective housing to separate the buckle 11 from the card slot 12, so that the upper cover 2 of the protective housing is separated from the lower body 8 of the protective housing. Fix the smoke alarm sensor 13 to the lower body 8 of the protective housing. Then place the filter net 10 outside the smoke alarm sensor 13 to surround the smoke alarm sensor 13 to prevent mosquitoes from interfering with the detection effect. Align the switch 5 and the alarm lamp 6 with the corresponding positions of the smoke alarm sensor 13 one by one. After that, cover the buckles 11 on the protective housing and the card slots 12 one by one and rotate it to make it tightly covered. Bring the installation base 7 close to the wall where it needs to be installed and install the screws in the screw holes 71 one by one to fix it to the wall. Finally, connect the protective housing to the external thread 9 through the internal thread 72 to complete the installation. With this installation method, when there is a problem with the smoke alarm sensor 13, it can be directly removed through the thread, which is convenient for replacement and problem inspection. There is no need to remove the screws, so as not to damage the wall and better protect people's safety.

[0026] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the gist of the present invention.

Claims

1. A protective housing for a smoke alarm sensor, comprising an upper cover (2) of the protective housing, characterized in that, On the outer wall of the upper surface of the upper cover (2) of the protective housing, a first through hole (3) is fixedly connected. On the outer wall of the lower surface of the upper cover (2) of the protective housing, a second through hole (4) is fixedly connected. The switch (5) is embedded and connected on the surface where the second through hole (4) is located. The alarm lamp (6) is embedded and linked to the outer wall of the cylinder of the switch (5). The lower part of the alarm lamp (6) is clamped with the lower body (8) of the protective housing. On the outer wall of the upper side of the lower body (8) of the protective housing, a clamping groove (12) is provided. Below the clamping groove (12), there is an external thread (9). Below the external thread (9), an installation base (7) is provided. Inside the upper cover (2) of the protective housing, a filter net (10) is provided. Below the filter net (10), there is a smoke alarm sensor (13), the main body (1) of the protective housing, the upper cover (2) of the protective housing, the lower body (8) of the protective housing, and the installation base (7).

2. The protective housing of a smoke alarm sensor according to claim 1, characterized in that, The upper cover (2) of the protective housing is in a cylindrical shape, and a buckle (11) is fixedly connected to the lower side of the upper cover (2) of the protective housing. The buckle (11) is in an L shape.

3. A protective housing for a smoke alarm sensor according to claim 1, characterized in that, On the outer wall of the lower side of the lower body (8) of the protective housing, there is a boss, and an external thread (9) is provided on the boss. The lower body (8) of the protective housing is threadedly connected to the installation base (7). On the upper edge of the lower body (8) of the protective housing, a clamping groove (12) is provided. The smoke alarm sensor (13) is fixedly connected to the middle of the outer wall of the upper surface of the lower body (8) of the protective housing.

4. A protective housing for a smoke alarm sensor according to claim 1, wherein, The installation base (7) includes screw holes (71) and internal threads (72). The screw holes (71) are multiple and are evenly distributed on the bottom surface of the installation base (7). The internal threads (72) are provided on the inner wall of the cylinder on the upper side of the installation base (7).

5. The protective housing of a smoke alarm sensor according to claim 1, characterized in that, The number of the first through holes (3) is two, and they are fixedly connected to the bosses on the upper side surface of the upper cover (2) of the protective housing. The number of the second through holes (4) is multiple, and they are fixedly connected to the upper side surface of the upper cover (2) of the protective housing and are evenly distributed.

6. The protective housing of a smoke alarm sensor according to claim 1, characterized in that, The number of the alarm lamps (6) is multiple, and they are symmetrically distributed on the cylindrical outer wall of the upper cover (2) of the protective housing.

7. A protective housing for a smoke alarm sensor according to claim 1, characterized in that, The number of the clamping grooves (12) is the same as that of the buckles (11) and they correspond one by one, connecting the upper cover (2) of the protective housing and the lower body (8) of the protective housing together.