CN210324475U - Domestic fire alarm convenient to installation - Google Patents
Domestic fire alarm convenient to installation Download PDFInfo
- Publication number
- CN210324475U CN210324475U CN201921098586.4U CN201921098586U CN210324475U CN 210324475 U CN210324475 U CN 210324475U CN 201921098586 U CN201921098586 U CN 201921098586U CN 210324475 U CN210324475 U CN 210324475U
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- Prior art keywords
- alarm body
- limiting plate
- alarm
- transmission shaft
- plate
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- Expired - Fee Related
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- Fire Alarms (AREA)
Abstract
The utility model discloses a domestic fire alarm convenient to installation, including alarm body, mounting panel, safety cover and air inlet, the top of alarm body is connected with the mounting panel, and the lower surface of mounting panel is provided with the sign piece, the below of alarm body is provided with the safety cover, and the surface of safety cover has seted up the air inlet to the dust screen is installed to the inboard of air inlet, the inside of alarm body is provided with the transmission shaft, and installs the tight pulley in the top of transmission shaft to the surface of tight pulley is provided with the lug. This domestic fire alarm convenient to installation is provided with the dust screen, can effectually filter the dust in the air through the inboard dust screen of air inlet, avoids the dust to fall into the surface of device inner sensor, and threaded connection between accessible safety cover and the mounting panel takes off the safety cover simultaneously and clears up the dust screen, has increased the functionality and the practicality of device.
Description
Technical Field
The utility model relates to a fire control technical field specifically is a domestic fire alarm convenient to installation.
Background
Along with people's improvement to fire control safety attention degree, the fire alarm sets begin to be installed in more and more families, set up the place that easily takes place the conflagration such as kitchen usually, the intelligent fire alarm ware of being convenient for installation that publication No. CN207692217U discloses, including pre-assembled board and ware body, fix pre-assembled board and connecting plate in the cavity through the limiting plate card, and then realize the installation to the ware body, but the device still has some not enough in the use:
1. when the device is used for disassembling the device body, the driving gear needs to be rotated by 90 degrees to adjust the position of the limiting plate, the rotating angle of the driving gear cannot be accurately adjusted during manual operation, the limiting plate is easily clamped in the pre-assembling plate, the limiting plate cannot be conveniently disassembled, and the use convenience of the device is reduced;
2. the air inlet of current fire alarm lacks certain dustproof function, and the dust enters into the alarm body through the air inlet easily when the device is placed for a long time, when the dust falls on this internal sensor surface of alarm, can cause certain influence to the sensitivity of sensor, has reduced the practicality of device.
In order to solve the problems, innovative design is urgently needed on the basis of the original household fire alarm.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic fire alarm convenient to installation to current fire alarm can not comparatively convenient dismantle it on the existing market that the solution above-mentioned background art provided, and the air inlet lacks certain dustproof function, and the dust enters into this internal problem of alarm through the air inlet easily when the device is placed for a long time.
In order to achieve the above object, the utility model provides a following technical scheme: a household fire alarm convenient to mount comprises an alarm body, a mounting plate, a protective cover and an air inlet, wherein the mounting plate is connected above the alarm body, and the lower surface of the mounting plate is provided with a mark sheet, a protective cover is arranged below the alarm body, the surface of the protective cover is provided with an air inlet, and the inner side of the air inlet is provided with a dust screen, the inside of the alarm body is provided with a transmission shaft, and a fixed wheel is arranged above the transmission shaft, and the surface of the fixed wheel is provided with a convex block, the outer side of the convex block is provided with a limit plate, the surface of the limit plate is provided with a first return spring, and the outer end of the limiting plate is provided with a connecting groove which is arranged inside the mounting plate, a transmission gear is arranged below the transmission shaft, and the rear side of the transmission gear is provided with a movable plate, and the left end of the movable plate is connected with a second return spring.
Preferably, the protective cover and the alarm body are in threaded connection, and the dustproof net on the inner side of the protective cover and the protective cover are in adhesive connection.
Preferably, the transmission shaft is connected with the inside constitution hub connection of alarm body, and transmission shaft and tight pulley be the integration and connect to the tight pulley is connected through lug and limiting plate.
Preferably, the overlooking cross-section of the inner end of the limiting plate is of an inclined plane structure, the limiting plate forms a telescopic structure through the first return spring and the alarm body, and the limiting plate is connected with the connecting groove in a clamping mode.
Preferably, the identification piece and the alarm body are in adhesive connection, and the vertical center line of the identification piece is overlapped with the vertical center line of the connecting groove.
Preferably, the movable plate forms a telescopic structure with the alarm body through the second return spring, the elastic force of the second return spring is larger than that of the first return spring, the surface of the movable plate is in a tooth-block-shaped structure, and the movable plate and the transmission gear form meshing connection.
Compared with the prior art, the beneficial effects of the utility model are that: the household fire alarm convenient to install;
(1) the alarm body is provided with the convex block, the limiting plate and the movable plate, when the alarm body is installed, only the movable plate needs to be pressed, the movable plate enables the transmission shaft to rotate through meshing connection, and therefore extrusion of the limiting plate on the convex block is relieved, the limiting plate is retracted into the alarm body, then the limiting plate is inserted into the installation plate, the movable plate is loosened, installation of the alarm body is completed through clamping between the limiting plate and the connection groove, and using convenience of the alarm body is improved;
(2) be provided with the dust screen, can effectually filter the dust in the air through the inboard dust screen of air inlet, avoid the dust to fall into the surface of device inner sensor, threaded connection between accessible safety cover and the mounting panel takes off the safety cover simultaneously and clears up the dust screen, has increased the functional and the practicality of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic view of the fixed wheel of the present invention;
FIG. 3 is a schematic view of the rotating structure of the fixed wheel of the present invention;
FIG. 4 is a schematic view of the movable plate of the present invention;
fig. 5 is a schematic view of the mounting plate of the present invention.
In the figure: 1. an alarm body; 2. mounting a plate; 3. a protective cover; 4. an air inlet; 5. a dust screen; 6. a drive shaft; 7. a fixed wheel; 8. a bump; 9. a limiting plate; 10. a first return spring; 11. connecting grooves; 12. a logo patch; 13. a transmission gear; 14. a second return spring; 15. a movable plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a household fire alarm convenient to mount comprises an alarm body 1, a mounting plate 2, a protective cover 3, an air inlet 4, a dustproof net 5, a transmission shaft 6, a fixed wheel 7, a lug 8, a limiting plate 9, a first reset spring 10, a connecting groove 11, a marking sheet 12, a transmission gear 13, a second reset spring 14 and a movable plate 15, wherein the mounting plate 2 is connected above the alarm body 1, the marking sheet 12 is arranged on the lower surface of the mounting plate 2, the protective cover 3 is arranged below the alarm body 1, the air inlet 4 is formed in the surface of the protective cover 3, the dustproof net 5 is mounted on the inner side of the air inlet 4, the transmission shaft 6 is arranged inside the alarm body 1, the fixed wheel 7 is mounted above the transmission shaft 6, the lug 8 is arranged on the surface of the fixed wheel 7, the limiting plate 9 is arranged on the outer side of the lug 8, and the first reset spring, a connecting groove 11 is formed in the outer end of the limiting plate 9, the connecting groove 11 is formed in the mounting plate 2, a transmission gear 13 is arranged below the transmission shaft 6, a movable plate 15 is arranged on the rear side of the transmission gear 13, and the left end of the movable plate 15 is connected with a second return spring 14;
the protective cover 3 is in threaded connection with the alarm body 1, the dustproof net 5 on the inner side of the protective cover 3 is in adhesive connection with the protective cover 3, and the dust in the air can be filtered through the dustproof net 5 by the structural design, so that the interior of the device keeps good sensitivity, and the subsequent cleaning of the dustproof net 5 is facilitated;
the transmission shaft 6 and the inside of the alarm body 1 form a shaft connection, the transmission shaft 6 and the fixed wheel 7 are integrally connected, the fixed wheel 7 is connected with the limiting plate 9 through the lug 8, and the transmission shaft 6 can adjust the position of the limiting plate 9 through the lug 8 while rotating, so that the device can be conveniently mounted and dismounted in the follow-up process;
the overlooking section of the inner end of the limiting plate 9 is of an inclined plane structure, the limiting plate 9 forms a telescopic structure with the alarm body 1 through the first return spring 10, the limiting plate 9 is connected with the connecting groove 11 in a clamping manner, and the limiting plate 9 is connected with the connecting groove 11 in a clamping manner through the structural design, so that the alarm body 1 is connected with the mounting plate 2 through the clamping between the limiting plate 9 and the connecting groove 11;
the identification piece 12 is in adhesive connection with the alarm body 1, the vertical center line of the identification piece 12 is overlapped with the vertical center line of the connecting groove 11, the position of the limiting plate 9 is convenient to correspond to the position of the connecting groove 11 through the identification piece 12 due to the structural design, and the alarm body 1 is convenient to install;
the movable plate 15 forms a telescopic structure between the second return spring 14 and the alarm body 1, the elastic force of the second return spring 14 is greater than that of the first return spring 10, the surface of the movable plate 15 is in a tooth-block-shaped structure, and meanwhile, the movable plate 15 and the transmission gear 13 form a meshing connection.
The working principle is as follows: when the household fire alarm convenient to install is used, firstly, according to the figure 1 and the figure 5, the installation plate 2 is fixed on the installation surface through screws, then the alarm body 1 is installed, the positions of the limiting plate 9 and the identification piece 12 which extend out of the two ends of the alarm body 1 correspond to each other with the figure 2, then the right end of the movable plate 15 is pressed, as shown in the figure 3, the movable plate 15 drives the transmission gear 13 to rotate through meshing with the transmission gear 13, simultaneously, the movable plate 15 presses the second return spring 14, the transmission gear 13 drives the transmission shaft 6 to rotate in the alarm body 1 when rotating, so that the transmission shaft 6 drives the fixed wheel 7 to rotate, as shown in the figure 3, the lug 8 releases the pressing of the limiting plate 9, the limiting plate 9 is retracted into the alarm body 1 under the left and the right of the first return spring 10, then, the alarm body 1 is inserted into the mounting groove on the surface of the mounting plate 2, the movable plate 15 is loosened, the movable plate 15 is reset under the action of the elastic force of the second reset spring 14, meanwhile, the bump 8 is enabled to extrude the limiting plate 9 again, the limiting plate 9 extends out and is clamped with the connecting groove 11, as shown in fig. 1, the alarm body 1 is mounted, if the alarm body 1 needs to be dismounted, the movable plate 15 is only needed to be pressed again to release the clamping between the limiting plate 9 and the connecting groove 11, and the alarm body 1 is taken down from the surface of the mounting plate 2;
in the device use, as shown in fig. 1, dust screen 5 will block the dust that gets into in the air inlet 4, avoids influencing the sensitivity of device in the dust entering device, and threaded connection between accessible safety cover 3 and the alarm body 1 rotates safety cover 3 and takes off its lower extreme from alarm body 1 simultaneously, is convenient for clear up dust screen 5, increases the functional of device, improves the life of device.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a domestic fire alarm convenient to installation, includes alarm body (1), mounting panel (2), safety cover (3) and air inlet (4), its characterized in that: the alarm is characterized in that a mounting plate (2) is connected above the alarm body (1), an identification sheet (12) is arranged on the lower surface of the mounting plate (2), a protective cover (3) is arranged below the alarm body (1), an air inlet (4) is formed in the surface of the protective cover (3), a dust screen (5) is arranged on the inner side of the air inlet (4), a transmission shaft (6) is arranged inside the alarm body (1), a fixed wheel (7) is arranged above the transmission shaft (6), a lug (8) is arranged on the surface of the fixed wheel (7), a limiting plate (9) is arranged on the outer side of the lug (8), a first reset spring (10) is arranged on the surface of the limiting plate (9), a connecting groove (11) is arranged outside the outer end of the limiting plate (9), and the connecting groove (11) is formed inside the mounting plate (, a transmission gear (13) is arranged below the transmission shaft (6), a movable plate (15) is arranged on the rear side of the transmission gear (13), and a second return spring (14) is connected to the left end of the movable plate (15).
2. A domestic fire alarm system of claim 1, wherein: constitute threaded connection between safety cover (3) and alarm body (1), and be adhesive connection between dust screen (5) of safety cover (3) inboard and safety cover (3).
3. A domestic fire alarm system of claim 1, wherein: the inside constitution hub connection of transmission shaft (6) and alarm body (1), and transmission shaft (6) and tight pulley (7) are connected for the integration to tight pulley (7) are connected through lug (8) and limiting plate (9).
4. A domestic fire alarm system of claim 1, wherein: the overlooking cross section of the inner end of the limiting plate (9) is of an inclined plane structure, the limiting plate (9) can be extended through the first return spring (10) and the alarm body (1), and the limiting plate (9) is connected with the connecting groove (11) in a clamping mode.
5. A domestic fire alarm system of claim 1, wherein: the identification piece (12) is in adhesive connection with the alarm body (1), and the vertical center line of the identification piece (12) is overlapped with the vertical center line of the connecting groove (11).
6. A domestic fire alarm system of claim 1, wherein: the movable plate (15) forms a telescopic structure between the second return spring (14) and the alarm body (1), the elastic force of the second return spring (14) is larger than that of the first return spring (10), the surface of the movable plate (15) is in a tooth-block-shaped structure, and meanwhile the movable plate (15) and the transmission gear (13) form meshing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098586.4U CN210324475U (en) | 2019-07-15 | 2019-07-15 | Domestic fire alarm convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098586.4U CN210324475U (en) | 2019-07-15 | 2019-07-15 | Domestic fire alarm convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210324475U true CN210324475U (en) | 2020-04-14 |
Family
ID=70123080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921098586.4U Expired - Fee Related CN210324475U (en) | 2019-07-15 | 2019-07-15 | Domestic fire alarm convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210324475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720461A (en) * | 2021-09-26 | 2021-11-30 | 无锡格林通安全装备有限公司 | Flame detector protective cover |
| CN117011992A (en) * | 2023-08-02 | 2023-11-07 | 浙江佳伯尔电子科技有限公司 | Smoke alarm convenient to install and detection method thereof |
-
2019
- 2019-07-15 CN CN201921098586.4U patent/CN210324475U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720461A (en) * | 2021-09-26 | 2021-11-30 | 无锡格林通安全装备有限公司 | Flame detector protective cover |
| CN113720461B (en) * | 2021-09-26 | 2023-11-03 | 无锡格林通安全装备有限公司 | Protective cover for flame detector |
| CN117011992A (en) * | 2023-08-02 | 2023-11-07 | 浙江佳伯尔电子科技有限公司 | Smoke alarm convenient to install and detection method thereof |
| CN117011992B (en) * | 2023-08-02 | 2024-02-06 | 浙江佳伯尔电子科技有限公司 | Smoke alarm convenient to install and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20200715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |