CN215066488U - Methane and carbon monoxide combined type gas alarm - Google Patents
Methane and carbon monoxide combined type gas alarm Download PDFInfo
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- CN215066488U CN215066488U CN202121126162.1U CN202121126162U CN215066488U CN 215066488 U CN215066488 U CN 215066488U CN 202121126162 U CN202121126162 U CN 202121126162U CN 215066488 U CN215066488 U CN 215066488U
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- box
- hook foot
- carbon monoxide
- methane
- box body
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Abstract
The utility model provides a methane carbon monoxide combined type gas alarm, include: a composite circuit board and a housing; the housing includes: the composite circuit board is arranged in the box, the back surface of the box body is detachably connected with the mounting plate through the connecting mechanism, and the mounting plate is fixed at a position to be mounted through the mounting screw; the connecting mechanism includes: the hook foot, the box back of the body forms the guide way to the sunken formation in the box, and the guide way supplies the hook foot to insert, and guide way one side inner wall forms the perforation with the box inner wall intercommunication, and the hook foot passes the perforation and inserts to the box in, and the hook foot is connected with the box buckle, and the hook foot catches on the box body from vertical direction. This methane carbon monoxide combined type gas alarm ware solves among the prior art inconvenient installs the problem of waiting the position on the wall body face with the casing.
Description
Technical Field
The utility model relates to a harmful gas alarm, concretely relates to methane carbon monoxide combined type gas alarm.
Background
Among the prior art, methane carbon monoxide combined type gas alarm includes: combined type circuit board and casing, install methane sensor and carbon monoxide sensor on the combined type circuit board, the methane sensor is used for detecting methane, the carbon monoxide sensor is used for detecting carbon monoxide, the combined type circuit board is installed in the casing, has seted up the through-hole on the casing, through-hole and methane sensor and carbon monoxide sensor intercommunication to make gases such as smog can pass through the through-hole and contact with methane sensor and carbon monoxide sensor, realize detecting, but the problem that this alarm still exists does:
since the housing has a box-like structure, the housing has only a function of mounting the composite circuit board, and it is inconvenient to mount the housing on a wall surface or the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a methane carbon monoxide combined type gas alarm, solve among the prior art inconvenient install the casing on the wall body surface the problem of wait position.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a methane carbon monoxide combined type gas alarm, include: a composite circuit board and a housing; the housing includes: the composite circuit board is arranged in the box, the back surface of the box body is detachably connected with the mounting plate through the connecting mechanism, and the mounting plate is fixed at a position to be mounted through the mounting screw; the connecting mechanism includes: the hook foot, the box back of the body forms the guide way to the sunken formation in the box, and the guide way supplies the hook foot to insert, and guide way one side inner wall forms the perforation with the box inner wall intercommunication, and the hook foot passes the perforation and inserts to the box in, and the hook foot is connected with the box buckle, and the hook foot catches on the box body from vertical direction.
Preferably, the box inner wall is sunken to form and is located the other recess of perforation, and recess inner wall forms the step with box inner wall junction, and the step restriction hook foot removes, recess inner wall and hook foot snap-fit.
Preferably, the inner wall of the groove is provided with a convex part, and the hook foot is in snap fit with the convex part.
Preferably, the hook foot is L-shaped, the fixed end of the hook foot is fixed with the mounting plate, the tip end of the hook foot is provided with a squeezing surface, the squeezing surface is used for squeezing the hook foot with the convex part when the hook foot moves from the side of the through hole to the step, the surface of the hook foot close to the mounting plate is sunken to form a matching groove, and the matching groove is used for the convex part to be placed in.
Preferably, the composite circuit board includes: the methane sensor and the carbon monoxide sensor are arranged on the controller; the box includes: box body, lid ring and apron, box body back mounted mounting panel, installation power supply battery and detection circuitry board in the box body, lid ring cover on the box body, and the apron is installed in the lid ring from being close to box body one side, and the apron is close to box body one side installation display circuitry board, sets up the display window on the apron, and the display window supplies the display to spill.
Preferably, the apron extends to have the ring that is located the box body, sets up the through-hole with the ring intercommunication on the apron, and methane sensor and carbon monoxide sensor stretch into on the ring confession detection circuit board.
Preferably, a shield is arranged on the side of the ring facing away from the cover plate, and only the methane sensor and the carbon monoxide sensor pass through the shield.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) by arranging the mounting plate and the mounting screws, a mounting base is provided for mounting the box, and the subsequent support of the box body and the composite circuit board is realized;
2) the hook legs are in snap fit with the box, so that the box is hooked in the vertical direction, the box is supported, the box body and the composite circuit board are mainly under the action of gravity, the probability of separation from the tops of the hook legs is reduced, in addition, the hook legs are in snap fit with the box, the relative jumping of the box is further limited, the box is difficult to separate from the hook legs, and therefore installation is achieved;
3) set up the guide way, realized hanging the in-process of box, fix a position box and hook foot fast, get off the box body after the location, can realize that box and hook foot buckle are connected, and very conveniently hang the box.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a methane-carbon monoxide composite gas alarm;
FIG. 2 is an exploded view of a methane carbon monoxide complex gas alarm;
FIG. 3 is a schematic view of the mounting plate;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic structural view of the cartridge;
FIG. 6 is an enlarged view of the cartridge at B;
FIG. 7 is a schematic structural view of the cartridge;
FIG. 8 is an enlarged view of the cover plate and the display circuit board.
Reference numerals: the box 1, the box body 11, the guide groove 110, the groove 111, the protrusion 112, the cover ring 12, the cover plate 13, the ring 130, the connecting column 131, the shielding piece 132, the connecting mechanism 2, the matching groove 20, the extrusion surface 21, the mounting plate 3, the mounting screw 4, the display circuit board 5, the light guide assembly 6, the light guide ring 61, the connecting piece 62, the light guide strip 63, the connecting lug 64 and the display 7.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
as shown in fig. 1 to 7, the utility model provides a methane and carbon monoxide combined type gas alarm, which comprises: a composite circuit board and a housing; the housing includes: the combined type circuit board is arranged in the box 1, the back of the box body 11 is detachably connected with the mounting plate 3 through the connecting mechanism 2, and the mounting plate 3 is fixed at a position to be mounted through the mounting screw 4; the connection mechanism 2 includes: hook foot, 1 back of box is sunken to form guide way 110 in box 1, and guide way 110 supplies the hook foot to insert, and guide way 110 one side inner wall forms the perforation with 1 inner wall intercommunication of box, and the hook foot passes the perforation and inserts to box 1 in, and the hook foot is connected with 1 buckle of box, and the hook foot catches on box body 11 from vertical direction.
In order to avoid the damage of the hook foot caused by excessively extruding the hook foot when the box 1 is hung on the hook foot, the inner wall of the box 1 is sunken to form a groove 111 positioned beside the through hole, a step is formed at the joint of the inner wall of the groove 111 and the inner wall of the box 1, the step limits the movement of the hook foot, and the inner wall of the groove 111 is in buckling fit with the hook foot. In order to guarantee the intensity of box 1, consequently box 1 is thick in other places, and the buckle junction is thinner, has avoided the buckle to connect the intensity that influences box 1. Furthermore, the inner wall of the guide groove 110 extends towards the inside of the box 1 to form, namely, after the hook foot is tightly attached to the inner wall of the guide groove 110, the hook foot slides in the guide groove 110, so that the hook foot can be inserted into the groove 111, then the hook foot is matched with the inner wall of the groove 111, the box 1 and the hook foot are conveniently positioned, and then the box 1 is moved to realize installation, so that the installation efficiency is improved.
In order to realize the snap fit of the hook leg with the inner wall of the groove 111, the inner wall of the groove 111 is installed to form a convex part 112, and the hook leg is snap-fitted with the convex part 112. The tip of the hook foot rides over the protrusion 112 when the hook foot is guided down through the perforation into the recess 111 at the inner wall of the guide slot 110, achieving a snap fit.
In order to enable the hook foot to smoothly pass through the through hole and then enter the groove 111, the hook foot is of an L-shaped structure, the fixed end of the hook foot is fixed with the mounting plate 3, a squeezing surface 21 is formed at the tip end of the hook foot, the squeezing surface 21 is used for squeezing the hook foot with the convex part 112 when the hook foot moves from one side of the through hole to the step, the surface of the hook foot close to the mounting plate 3 is sunken to form a matching groove 20, and the convex part 112 is placed in the matching groove 20. The slope of extrusion face 21 has realized that the hook foot can slowly stride across convex part 112 when the hook foot inserts in recess 111, and the hook foot has certain elasticity, and convex part 112 is through extrudeing with extrusion face 21 for the hook foot takes place deformation, realizes then that the tip of hook foot strides across convex part 112, and cooperation groove 20 aligns with convex part 112 on the hook foot when finally the hook foot is hugged closely with the step, realizes the buckle cooperation, and the effect of step all is the convenience and aligns cooperation groove 20 with convex part 112.
In order to design simple structure's combined type circuit board, can show the real-time data that detect at present after realizing detecting for real-time data is more clear, and the combined type circuit board includes: the methane sensor and the carbon monoxide sensor are mounted on the display circuit board 5, the methane sensor and the carbon monoxide sensor are mounted on the detection circuit board, and the display 7, the methane sensor and the carbon monoxide sensor are mounted on the controller; the cassette 1 comprises: box body 11, cover ring 12 and apron 13, 11 back mounted on box body 3, installation power supply battery and detection circuitry board in the box body 11, cover ring 12 lid is on box body 11, and apron 13 is installed in cover ring 12 from being close to box body 11 one side, and apron 13 is close to box body 11 one side installation display circuitry board 5, offers the display window on the apron 13, and the display window supplies display 7 to spill. In order to realize the installation, and reduce the volume of whole box 1, display circuit board 5 is inboard at apron 13, detection circuit board is in box body 11, display circuit board 5 overlaps with detection circuit board to a certain extent, thereby it is big to avoid display circuit board 5 and detection circuit board all tiling and lead to 1 cross sectional area of whole box, whole area occupied has been reduced, in addition need be by side at display 7 with methane sensor and carbon monoxide sensor, consequently, this design can help reducing the volume, improve market competition, user's use is more convenient.
In order to guarantee that smog fully contacts with methane sensor and carbon monoxide sensor behind entering into ring 130, avoid smog to spread everywhere, apron 13 extends and has the ring 130 that is located box body 11, sets up the through-hole with ring 130 intercommunication on the apron 13, and methane sensor and carbon monoxide sensor stretch into on the ring 130 supplies the detection circuit board.
The side of the ring 130 facing away from the cover 13 is provided with a shield 132, and the shield 132 is only used for the methane sensor and the carbon monoxide sensor to pass through. Dust is generally mixed in the smoke, so the shielding piece 132 is designed, the circular ring 130 is separated from the interior of the box 1 to a certain extent by the shielding piece 132, and the influence on the operation of the circuit board caused by the dust and the like entering the circuit board is avoided.
An indicator light (not shown) is connected to the controller, the indicator light is installed in the box 1, a light guide assembly 6 is installed on the cover plate 13, the light guide assembly 6 is aligned with the indicator light, and the light guide assembly 6 is made of a light-transmitting material.
The light guide member 6 includes: lead the light ring 61, connecting piece 62 and leaded light strip 63, it is fixed that leaded light ring 61 passes through connecting piece 62 with leaded light strip 63, set up the first light-emitting hole that supplies leaded light ring 61 to spill and supply the second light-emitting hole that leaded light strip 63 spills on apron 13, install the light-shielding part that stretches into to leaded light ring 61 in box body 11, light-shielding part adopts non-printing opacity material to make, be formed with engaging lug 64 on the leaded light ring 61 lateral wall, form spliced pole 131 on apron 13 inner wall, engaging lug 64 and spliced pole 131 pass through the screw connection, engaging lug 64, leaded light ring 61, connecting piece 62 and leaded light strip 63 all adopt the light transmissivity material to make.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A methane and carbon monoxide combined type gas alarm is characterized by comprising: a composite circuit board and a housing;
the housing includes: the composite circuit board is arranged in the box, the back surface of the box body is detachably connected with the mounting plate through the connecting mechanism, and the mounting plate is fixed at a position to be mounted through the mounting screw;
the connecting mechanism includes: the hook foot, the box back of the body forms the guide way to the sunken formation in the box, and the guide way supplies the hook foot to insert, and guide way one side inner wall forms the perforation with the box inner wall intercommunication, and the hook foot passes the perforation and inserts to the box in, and the hook foot is connected with the box buckle, and the hook foot catches on the box body from vertical direction.
2. The methane and carbon monoxide composite gas alarm device as in claim 1, wherein the inner wall of the box is recessed to form a groove beside the through hole, a step is formed at the joint of the inner wall of the groove and the inner wall of the box, the step limits the movement of the hook foot, and the inner wall of the groove is in snap fit with the hook foot.
3. The methane and carbon monoxide composite gas alarm device as in claim 2, wherein the inner wall of the groove is formed with a protrusion, and the hook foot is snap-fitted to the protrusion.
4. The methane and carbon monoxide combined gas alarm device as claimed in claim 3, wherein the hook foot is of an L-shaped structure, the fixed end of the hook foot is fixed to the mounting plate, the tip of the hook foot is formed with a pressing surface for pressing the hook foot with the convex part when the hook foot moves from the side of the through hole to the step, the surface of the hook foot close to the mounting plate is recessed to form a matching groove, and the matching groove is used for the convex part to be placed in.
5. The methane carbon monoxide composite gas alarm of claim 1, wherein the composite circuit board comprises: the methane sensor and the carbon monoxide sensor are arranged on the controller;
the box includes: box body, lid ring and apron, box body back mounted mounting panel, installation power supply battery and detection circuitry board in the box body, lid ring cover on the box body, and the apron is installed in the lid ring from being close to box body one side, and the apron is close to box body one side installation display circuitry board, sets up the display window on the apron, and the display window supplies the display to spill.
6. The methane and carbon monoxide combined type gas alarm device as claimed in claim 5, wherein the cover plate is extended with a ring located inside the box body, the cover plate is provided with a through hole communicated with the ring, and the ring is used for the methane sensor and the carbon monoxide sensor on the detection circuit board to extend into.
7. The methane and carbon monoxide composite gas alarm of claim 6, wherein a shielding piece is installed on the side of the circular ring, which faces away from the cover plate, and only the methane sensor and the carbon monoxide sensor pass through the shielding piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121126162.1U CN215066488U (en) | 2021-05-21 | 2021-05-21 | Methane and carbon monoxide combined type gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121126162.1U CN215066488U (en) | 2021-05-21 | 2021-05-21 | Methane and carbon monoxide combined type gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066488U true CN215066488U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121126162.1U Active CN215066488U (en) | 2021-05-21 | 2021-05-21 | Methane and carbon monoxide combined type gas alarm |
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| Country | Link |
|---|---|
| CN (1) | CN215066488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973610A (en) * | 2022-05-11 | 2022-08-30 | 重庆图源物联网技术有限公司 | High-efficiency carbon monoxide alarm |
-
2021
- 2021-05-21 CN CN202121126162.1U patent/CN215066488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973610A (en) * | 2022-05-11 | 2022-08-30 | 重庆图源物联网技术有限公司 | High-efficiency carbon monoxide alarm |
| CN114973610B (en) * | 2022-05-11 | 2024-03-15 | 重庆图源物联网技术有限公司 | High-efficiency carbon monoxide alarm |
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