CN211294132U

CN211294132U - Gas alarm

Info

Publication number: CN211294132U
Application number: CN202020036999.6U
Authority: CN
Inventors: 张森晓
Original assignee: Zhejiang Gizze Communication Technology Co ltd
Current assignee: Zhejiang Gizze Communication Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-08-18
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a gas alarm, including casing and mounting panel, the casing includes a plurality of installation passageways and the first installation body, and in the casing was arranged in to the first installation body, the mounting panel included a plurality of second installation bodies, and the second installation body can follow in the installation passageway gets into the casing to remove along the installation passageway, so that first installation body and second installation body joint. The utility model provides a gas alarm does not need to carry out the accurate positioning to casing, mounting panel when assembling casing and mounting panel, only needs stretch into the casing with the second installation body on the mounting panel in the installation passageway, along with the rotation of the relative mounting panel of casing, the second installation body removes in the installation passageway, until first installation body and second installation body joint, can realize the assembly of casing and mounting panel, and the operation is comparatively convenient, and assembly efficiency is high.

Description

Gas alarm

Technical Field

The utility model belongs to the technical field of the detection and alarm device technique and specifically relates to a gas alarm is related to.

Background

The gas alarm can detect combustible gas, toxic gas and the like in the air, and can send out an alarm signal to remind people of taking corresponding safety measures after the gas concentration reaches corresponding concentration.

Traditional gas alarm accomplishes the installation through the mode of direct lock joint usually, need during its installation pinpoint the lock joint position of alarm, just can realize the assembly through this lock joint position, and this mounting means is higher to the positioning accuracy requirement of alarm, and the installation is comparatively inconvenient, and the location is inaccurate can lead to the installation trouble, influences the installation effectiveness of alarm.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a gas alarm improves convenient degree and the installation effectiveness of gas alarm installation.

An embodiment of the utility model provides a gas alarm, include:

the device comprises a shell, a first fixing device and a second fixing device, wherein the shell comprises a plurality of mounting channels and a first mounting body;

the mounting panel, including a plurality of second installation bodies, the second installation body can be followed installation channel gets into in the casing, and follow installation channel removes, so that first installation body with the joint of second installation body.

The embodiment of the utility model provides an in the gas alarm have following beneficial effect at least:

the utility model provides a gas alarm does not need to carry out the accurate positioning to casing, mounting panel when assembling casing and mounting panel, only needs stretch into the casing with the second installation body on the mounting panel in the installation passageway, along with the rotation of the relative mounting panel of casing, the second installation body removes in the installation passageway, until first installation body and second installation body joint, can realize the assembly of casing and mounting panel, and the operation is comparatively convenient, and assembly efficiency is high.

According to other embodiments of the present invention, the number of the first mounting body and the mounting channel is not less than two, and the first mounting body and the mounting channel are uniformly distributed along the edge of the housing; two are no less than to the second installation body, and follow the marginal evenly distributed of mounting panel.

According to the utility model discloses a gas alarm of other embodiments, be equipped with on the first installation body sunken, be equipped with on the second installation body and go into can the card sunken arch.

According to the utility model discloses a gas alarm of other embodiments, first installation body is based on the inner wall of casing to the inside of casing extends to form and supports and hold the piece, sunken arranging in support and hold on the piece.

According to the utility model discloses a gas alarm of other embodiments, the second installation body has the installation step, the installation step can with the wall of installation passageway supports and holds.

According to the utility model discloses a gas alarm of other embodiments still includes prevents slow-witted subassembly, still be equipped with the first installation cavity that is used for holding the battery in the casing and be used for the holding prevent slow-witted subassembly the second installation cavity, first installation cavity with second installation cavity intercommunication, prevent slow-witted subassembly including rotate connect in rocking arm in the second installation cavity and with the first elastomer that the rocking arm is connected, first elastomer supports and holds the rocking arm is so that the rocking arm perk is followed stretch out in the first installation cavity, perhaps the battery suppression the rocking arm so that the rocking arm accept in the second installation cavity.

According to the utility model discloses a gas alarm of other embodiments, be equipped with in the first installation cavity and be used for holding the second elastomer of battery.

According to the utility model discloses a gas alarm of other embodiments, prevent that slow-witted subassembly still includes the pivot, the pivot is worn to locate in the second installation cavity, the rocking arm with the pivot is rotated and is connected, first elastomer cover is located in the pivot, the both ends of first elastomer are supported respectively and are held the wall of second installation cavity reaches the rocking arm.

According to the utility model discloses a gas alarm of other embodiments still includes circuit board assembly, circuit board assembly holding in the casing, the edge of casing is provided with a plurality of buckles, circuit board assembly with the buckle joint.

According to the utility model discloses a gas alarm of other embodiments, circuit board components includes sensor, pilot lamp and display screen, be equipped with on the casing and be used for the holding the mounting hole of pilot lamp and be used for the holding the observation window of display screen.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a gas alarm;

FIG. 2 is an exploded view of the gas alarm of FIG. 1;

FIG. 3 is a schematic view of the hidden housing of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the foolproof assembly in a first state;

FIG. 6 is a schematic diagram of the foolproof assembly in a second state;

fig. 7 is a schematic diagram of one embodiment of a circuit board assembly.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Fig. 1 to 4 show schematic structural views of an embodiment of an air alarm, and referring to fig. 1 to 4, the air alarm in the embodiment includes a housing 100 and a mounting plate 200, the mounting plate 200 may be pre-mounted on a wall, a device side wall, or the like, and the mounting of the air alarm may be implemented after the housing 100 is mounted on the mounting plate 200. Specifically, the housing 100 is provided with a plurality of mounting channels 110 and a first mounting body 120, and the first mounting body 120 is disposed in the housing 100 and is used for connecting with the mounting plate 200; the mounting plate 200 includes a second mounting body 210, the second mounting body 210 can enter the interior of the housing 100 from the mounting channel 110 and can move along the mounting channel 110, and the second mounting body 210 is clamped with the second mounting body 210 during the moving process, so as to achieve the assembly between the housing 100 and the mounting plate 200.

When the gas alarm in this embodiment is used for assembling the housing 100 and the mounting plate 200, the housing 100 and the mounting plate 200 do not need to be accurately positioned, only the second mounting body 210 on the mounting plate 200 needs to be inserted into the housing 100 from the mounting channel 110, along with the rotation of the housing 100 relative to the mounting plate 200, the second mounting body 210 moves in the mounting channel 110 until the first mounting body 120 is clamped with the second mounting body 210, the assembly of the housing 100 and the mounting plate 200 can be realized, the operation is convenient, and the assembly efficiency is high.

The mounting plate 200 is further provided with a fixing hole 220, and the mounting plate 200 can be fixed to the wall surface by screwing a threaded fastener into the fixing hole 220.

Two installation channels 110 and first installation bodies 120 can be no less than to set up on casing 100, two second installation bodies 210 can be no less than to set up on mounting panel 200, and this first installation body 120 corresponds each other with the position of second installation body 210, through the mutual joint between a plurality of first installation bodies 120 and the second installation body 210, improves the stability of casing 100 and mounting panel 200 post-assembly structure. In this embodiment, two sides of the casing 100 are respectively provided with the mounting channel 110 and the first mounting body 120, two sides of the mounting plate 200 are respectively provided with the second mounting body 210, and after the first mounting body 120 is clamped with the second mounting body 210, the casing 100 and the mounting plate 200 are fixed at two sides, so that the mounting strength of the casing 100 and the mounting plate 200 can be ensured. Of course, the number of the mounting channels 110 and the first mounting bodies 120 may be not less than two and are uniformly distributed along the edge of the housing 100, and the number of the second mounting bodies 210 may be not less than two and are uniformly distributed along the edge of the mounting plate 200, so as to further improve the assembling strength of the housing 100 and the mounting plate 200.

The first installation body 120 and the second installation body 210 can be connected in a clamping manner by selecting a hook and loop structure, a slot and bump structure, and the like, in this embodiment, a recess 121 is provided on the first installation body 120, a protrusion 211 is provided on the second installation body 210, and when the second installation body 210 moves to a corresponding position of the first installation body 120 along the installation channel 110, the protrusion 211 is just clamped into the recess 121, so that the second installation body 210 is connected with the first installation body 120 in a clamping manner.

The first installation body 120 extends towards the inside of the casing 100 based on the inner wall of the casing 100, a propping block 122 is formed at the end of the first installation body 120, the recess 121 is arranged on the propping block 122, and after the protrusion 211 is embedded into the recess 121, the propping block 122 applies stable propping force to the second installation body 210, so that the clamping between the first installation body 120 and the second installation body 210 is kept stable; and because the first abutting block 122 extends a distance from the inner wall of the housing 100, a larger space is provided for the second installation body 210 and the installation channel 110, which is convenient for the spatial distribution of the components in the first installation body 120 and the second installation body 210.

The second mounting body 210 has a mounting step 212, when the protrusion 211 is inserted into the recess 121, the mounting step 212 just abuts against the inside of the mounting channel 110, and the stability of the clamping between the first mounting body 120 and the second mounting body 210 is optimized by the double positioning of the protrusion 211 and the recess 121 and the mounting step 212 and the inner wall of the mounting channel 110.

In this embodiment, the housing 100 and the mounting plate 200 are both circular, and the second mounting body 210 and the mounting channel 110 may both be arc-shaped, so that the second mounting body 210 and the mounting channel 110 cater to the overall structure of the housing 100 and the mounting plate 200, and when the housing 100 rotates relative to the mounting plate 200, the second mounting body 210 can smoothly slide in the mounting channel 110.

With reference to fig. 2, 5 and 6, a first mounting cavity 130 for accommodating a battery 410 and a second mounting cavity 140 for accommodating a fool-proof assembly 300 are further provided in the housing 100, the first mounting cavity 130 is communicated with the second mounting cavity 140, the fool-proof assembly 300 includes a rotating arm 310 and a first elastic body 320, the rotating arm 310 is rotatably connected in the second mounting cavity 140, and the rotating arm 310 can enter the first mounting cavity 130 from the second mounting cavity 140 when rotating; the fool-proof assembly 300 further includes a rotating shaft 330 and a first elastic body 320, the rotating shaft 330 is disposed in the second mounting cavity 140 in a penetrating manner, the rotating arm 310 is rotatably connected to the rotating shaft 330, the first elastic body 320 is sleeved on the rotating shaft 330 and provides an elastic force to the rotating arm 310, that is, one end of the first elastic body 320 abuts against the rotating arm 310, and the other end of the first elastic body 320 abuts against the wall surface of the second mounting cavity 140.

Therefore, when the battery 410 is accommodated in the first mounting cavity 130, the rotating arm 310 rotates based on the rotating shaft 330 under the pressing action of the battery 410, and can be accommodated in the second mounting cavity 140 only; if the battery 410 is not arranged in the first mounting cavity 130, the pressing action on the rotating arm 310 disappears, the rotating arm 310 rotates and tilts based on the rotating shaft 330 under the action of the elastic force given by the first elastic body 320, so that the rotating arm 310 enters the first mounting cavity 130 from the second mounting cavity 140 and extends out of the first mounting cavity 130, the rotating arm 310 keeps a tilting state under the abutting action of the first elastic body 320, when the housing 100 is assembled with the mounting plate 200, the rotating arm 310 abuts against the mounting plate 200 due to the fact that the rotating arm 310 is in the tilting state, the mounting plate 200 cannot be assembled with the housing 100, installation reminding is obtained, the battery 410 needs to be placed in the first mounting cavity 130, and the foolproof effect is achieved.

The second elastic body 131 is further disposed in the first mounting cavity 130, and after the battery 410 is disposed in the first mounting cavity 130, the second elastic body 131 abuts against the battery 410, so that the battery 410 is stably mounted in the first mounting cavity 130, and the pressing force is continuously provided to the rotating arm 310.

The first elastic body 320 may be configured as a torsion spring structure, the rotating arm 310 is provided with a hanging hole 311, and one end of the first elastic body 320 connected with the rotating arm 310 is hooked in the hanging hole 311, so that the first elastic body 320 is stably connected with the rotating arm 310.

Referring to fig. 7, the gas alarm further includes a circuit board assembly 400, the circuit board assembly 400 is accommodated in the casing 100, a plurality of fasteners 150 are disposed on the edge of the casing 100, and the fasteners 150 are engaged with the circuit board assembly 400, so that the circuit board assembly 400 is held in the casing 100. Specifically, the circuit board assembly 400 includes a circuit board 420, the circuit board 420 is clamped with the clamp 150, the circuit board 420 is electrically connected with a plurality of sensors 430, indicator lamps 440 and a display screen 450, the sensors 430 may be provided, and the sensors 430 may be a combustible gas sensor, a carbon monoxide sensor or a toxic gas sensor; the indicator lamp 440 in this embodiment is provided with a plurality of indicator lamps for respectively indicating different working states of the gas alarm, the housing 100 is provided with a plurality of mounting holes 160, and the indicator lamp 440 can extend into the mounting holes 160, so that the working state of the gas alarm can be observed from the surface of the housing 100; the display screen 450 can display parameters such as gas concentration and flow rate detected by the sensor 430, and the casing 100 is further provided with an observation window 170, so that the display content of the display screen 450 can be observed from the observation window 170 to obtain the detection data of the sensor 430. The side of the casing 100 is further provided with a button 460, the button 460 is electrically connected with the circuit board 420, and the working state of the gas sensor can be switched by pressing the button; a plurality of air holes 180 are distributed on the surface of the housing 100 in an array manner, and external air can enter the interior of the housing 100 through the air holes 180, so that the sensor 430 can detect air.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A gas alarm, comprising:

2. The gas alarm of claim 1, wherein the first mounting body and the mounting channel are not less than two and are evenly distributed along the edge of the housing; two are no less than to the second installation body, and follow the marginal evenly distributed of mounting panel.

3. The gas alarm of claim 1, wherein the first mounting body is provided with a recess, and the second mounting body is provided with a protrusion into which the recess can be snapped.

4. The gas alarm of claim 3, wherein the first mounting body extends inwardly of the housing based on an inner wall of the housing and forms a retaining block, the recess being disposed on the retaining block.

5. A gas alarm according to claim 1 wherein the second mounting body has a mounting step which can abut against a wall surface of the mounting passage.

6. The gas alarm of any one of claims 1 to 5, further comprising a fool-proof assembly, wherein a first mounting cavity for accommodating a battery and a second mounting cavity for accommodating the fool-proof assembly are further arranged in the housing, the first mounting cavity is communicated with the second mounting cavity, the fool-proof assembly comprises a rotating arm rotatably connected in the second mounting cavity and a first elastic body connected with the rotating arm, the first elastic body abuts against the rotating arm so that the rotating arm tilts and extends out of the first mounting cavity, or the battery presses the rotating arm so that the rotating arm is accommodated in the second mounting cavity.

7. A gas alarm according to claim 6 wherein a second resilient body is provided in the first mounting cavity for abutting against the battery.

8. The gas alarm of claim 6, wherein the fool-proof assembly further comprises a rotating shaft, the rotating shaft penetrates through the second mounting cavity, the rotating arm is rotatably connected with the rotating shaft, the rotating shaft is sleeved with the first elastic body, and two ends of the first elastic body respectively abut against the wall surface of the second mounting cavity and the rotating arm.

9. The gas alarm of claim 1, further comprising a circuit board assembly received within the housing, wherein the housing has a plurality of clips disposed on an edge thereof, and wherein the circuit board assembly is snap-fit to the clips.

10. A gas alarm according to claim 9 wherein the circuit board assembly includes a sensor, an indicator light and a display screen, and the housing has a mounting hole for receiving the indicator light and a viewing window for receiving the display screen.