CN210348730U

CN210348730U - Dustproof smoke alarm sensor

Info

Publication number: CN210348730U
Application number: CN201920373957.9U
Authority: CN
Inventors: 林�年
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-23
Filing date: 2019-03-23
Publication date: 2020-04-17
Anticipated expiration: 2029-03-23

Abstract

The utility model discloses a dustproof smoke alarm sensor, which comprises an upper shell and a lower shell, wherein the lower surface of a filter plate is provided with a dismounting device, the dismounting device comprises two bottom plates, the surfaces of two connecting rods are both connected with a first slip ring in a sliding manner, two ends of a first spring are respectively fixedly connected with opposite sides of a support column and the first slip ring, the lower surface of a sliding plate is connected with the upper surface of a support plate in a sliding manner, and the lower surface of the fixed plate is movably connected with the upper surface of the filter plate; the utility model discloses, use through the cooperation of above-mentioned relevant structure, solved in the in-service use because this filter is difficult for dismantling and change, lead to smoke transducer when using for a long time, the surface of filter can accumulate a large amount of dusts, can lead to the fact the jam to the filter, has reduced the filter effect of filter to can lead to the dust to produce the influence to the control panel, further reduce the problem of the stability of smoke alarm sensor work.

Description

Dustproof smoke alarm sensor

Technical Field

The utility model relates to a sensor technical field specifically is a dirt-proof smoke alarm sensor.

Background

The wireless smoke detector is used for giving an alarm to smoke emitted by various early fires in time so that a user can find and process the smoke in time, but the surface of a wireless smoke detector shell in the current market is provided with a large circular smoke through hole, the smoke through hole is suspended on the ceiling of a room, a large amount of dust easily enters the smoke through hole, and after a long time, the dust can cover a circuit board in the wireless smoke detector shell to cause the wireless smoke detector to be out of order and cannot achieve the function of fire alarm, so that a dustproof smoke sensor is proposed, for example, Chinese patent CN105185025A discloses a dustproof smoke sensor which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are clamped, the smoke sensor is fixedly connected in the lower shell, an upright column is arranged on the inner surface of the upper shell, and a control panel is fixedly connected at the top of the upright column, the smoke transducer is connected with the control panel, be provided with the filter between smoke transducer and the control panel, because this filter is difficult for dismantling the change, lead to smoke transducer when long time using, the surface of filter can accumulate a large amount of dust, can lead to the fact the jam to the filter, has reduced the filter effect of filter to can lead to the dust to produce the influence to the control panel, further reduced smoke transducer job stabilization nature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dirt-proof smog alarm sensor improves traditional device, has solved in the in-service use because this filter is difficult for dismantling the change, leads to smog alarm sensor when using for a long time, and the surface of filter can accumulate a large amount of dusts, can cause the jam to the filter, has reduced the filter effect of filter to can lead to the dust to produce the influence to the control panel, further reduce the problem of the stability of smog alarm sensor work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dirt-proof smog alarm sensor, includes casing, lower casing and control panel, go up casing and casing joint down, be provided with the stand on the upper surface of going up the casing, the lower surface of control panel and the top fixed connection of stand, the internal fixedly connected with smoke transducer of inferior valve, be provided with the filter between control panel and the smoke transducer, the lower surface of filter is provided with and is connected with dismounting device.

The dismounting device comprises two bottom plates, the opposite sides of the two bottom plates are respectively fixedly connected with the inner wall of the lower shell close to the bottom, the opposite surfaces of the two bottom plates are respectively fixedly connected with a support column, the opposite sides of the two support columns close to the top are respectively fixedly connected with a connecting rod, the tops of the two support columns are respectively fixedly connected with an obliquely arranged support plate, the surfaces of the two connecting rods are respectively and slidably connected with a first sliding ring, the surface of the connecting rod is sleeved with a first spring, the two ends of the first spring are respectively and fixedly connected with the opposite sides of the support column and the first sliding ring, the upper surfaces of the two first sliding rings are respectively and fixedly connected with a transmission arm, the opposite ends of the two transmission arms are respectively and fixedly connected with a second sliding ring, the inner walls of the two second sliding rings are respectively and slidably connected with support rods, the bottoms, the top of bracing piece and the lower surface swing joint of filter, the inner wall fixedly connected with fixed plate of casing down, the lower surface of fixed plate and the upper surface swing joint of filter.

Preferably, the inclined plane of backup pad has all been seted up the spout, the inner wall of spout all with the both sides sliding connection of two slides.

Preferably, the opposite sides of the transmission arm are fixedly connected with push rods, and the inner wall of the lower shell close to the bottom is provided with through holes for the push rods to penetrate through.

Preferably, the surface of the supporting rod close to the top is fixedly connected with a circular ring, the upper surfaces of the two circular rings are fixedly connected with a second spring, and the top of the second spring is movably connected with the lower surface of the filter plate.

Preferably, the number of the fixing plates is two, and the two fixing plates are symmetrically distributed on the vertical center line of the shell above the fixing block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a setting of dismounting device makes the filter dismantle the change easily, and clearance smog alarm sensor that can be timely filters the dust of plate surface accumulation after long-time the use to avoided a large amount of dusts can cause the jam to the filter, improved the filter effect of filter, further avoided the influence of dust to the control panel. Thereby improving the working stability of the smoke alarm sensor.

Secondly, the utility model discloses a support column, connecting rod, bracing piece, backup pad, slide, sliding ring one, sliding ring two, spring one, transmission arm and fixed plate's cooperation is used, when needing to be changed the filter, because upper housing and lower housing are the joint and can dismantle, make upper housing and lower housing separate, manual extrusion transmission arm makes the transmission arm inwards move, the transmission arm moves inwards and drives sliding ring two and move, sliding ring two moves and further promotes the bracing piece, make the slide of bracing piece bottom slide downwards in the backup pad, thereby make the top of bracing piece and the lower surface separation of filter be convenient for accomplish and dismantle; when needs installation filter, put the filter at the top of bracing piece, through the manual extrusion to the transmission arm of relieving, make a sliding ring move outward under the effect of spring elasticity, a sliding ring moves outward and drives the transmission arm and move outward, the transmission arm moves in outward and further drives two removals of sliding ring, two removals of sliding ring further stimulate the bracing piece, the slide that makes the bracing piece bottom carries out the lapse in the backup pad, make the bracing piece promote filter and fixed block contact, the lower surface extrusion of the top of messenger's bracing piece to the filter under the further promotion of bracing piece, thereby accomplish the centre gripping to the filter under bracing piece and fixed block cooperation use, and then accomplish the installation.

Three, the utility model discloses an above-mentioned cooperation of relevant structure is used, has solved in the in-service use because this filter is difficult for dismantling the change, leads to smoke alarm sensor when using for a long time, and the surface of filter can accumulate a large amount of dusts, can lead to the fact the jam to the filter, has reduced the filter effect of filter to can lead to the dust to produce the influence to the control panel, further reduce the problem of smoke sensor job stabilization nature.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is an enlarged view of the structure of the present invention at a.

In the figure: 1-upper shell, 2-lower shell, 3-control panel, 4-smoke sensor, 5-filter plate, 6-dismounting device, 7-bottom plate, 8-support column, 9-connecting rod, 10-support plate, 11-slip ring I, 12-spring I, 13-driving arm, 14-slip ring II, 15-support rod, 16-sliding plate, 17-fixing plate, 18-sliding groove, 19-push rod, 20-circular ring and 21-spring II.

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 to 3, the present invention provides a technical solution: a dustproof smoke alarm sensor comprises an upper shell 1, a lower shell 2 and a control panel 3, wherein a power socket is further arranged on the outer surface of the upper shell 1, the lower shell 2 is in a disc shape, a circular truncated cone-shaped bulge extending outwards is arranged in the middle of the outer surface of the lower shell 2, the joint of the circular truncated cone-shaped bulge and the outer surface of the lower shell 2 is in arc transition, the control panel 3 is a circuit board, the upper shell 1 and the lower shell 2 are clamped, a stand column is arranged on the upper surface of the upper shell 1, the lower surface of the control panel 3 is fixedly connected with the top of the stand column, a smoke sensor 4 is fixedly connected in the lower shell 2, the smoke sensor 4 is used in various fire alarm systems by monitoring the concentration of smoke, the performance of the smoke alarm is far superior to that of gas-sensitive resistors, a filter plate 5 is arranged between the control panel 3 and the smoke sensor 4, and the, reduce the influence of dust to control panel 3, the lower surface of filter 5 is provided with and is connected with dismounting device 6, and through dismounting device 6's setting, it is more convenient to make the dismantlement of filter 5 change, has avoided a large amount of dusts of surface accumulation of filter 5 to cause the jam to filter 5, reduces the filter effect of filter 5.

The dismounting device 6 comprises two bottom plates 7, the bottom plates 7 play a role in supporting and fixing the supporting columns 8, the back sides of the two bottom plates 7 are respectively fixedly connected with the inner walls, close to the bottom, of the lower shell 2, the opposite surfaces of the two bottom plates 7 are fixedly connected with the supporting columns 8, the supporting columns 8 are used for supporting the supporting plates 10 and the fixed connecting rods 9, the back sides, close to the tops, of the two supporting columns 8 are fixedly connected with the connecting rods 9, a first sliding ring 11 can horizontally slide on the surfaces of the connecting rods 9, the obliquely arranged supporting plates 10 are fixedly connected with the tops of the two supporting columns 8, the inclined surface of the supporting plate 10 is provided with a sliding groove 18, the sliding plate 16 can relatively move on the supporting plate 10 stably through the arrangement of the sliding groove 18, the inner walls of the sliding groove 18 are respectively in sliding connection with the two sides of the two sliding plates 16, the surfaces of the two connecting, the surface of the connecting rod 9 is sleeved with a first spring 12, a first sliding ring 11 moves outwards under the action of the elastic force of the first spring 12, the first sliding ring 11 moves outwards to drive a transmission arm 13 to move outwards, two ends of the first spring 12 are fixedly connected with opposite sides of a support column 8 and the first sliding ring 11 respectively, the upper surfaces of the two first sliding rings 11 are fixedly connected with transmission arms 13, opposite sides of the two transmission arms 13 are fixedly connected with push rods 19, the operation is more convenient through the arrangement of the push rods 19, the inner wall, close to the bottom, of the lower shell 2 is provided with through holes for the insertion of the push rods 19, opposite ends of the two transmission arms 13 are fixedly connected with second sliding rings 14, the transmission arms 13 move outwards to further drive the second sliding rings 14 to move, the second sliding rings 14 move to further pull the support rod 15, a sliding plate 16 at the bottom of the support rod 15 slides upwards on the support plate 10, the surfaces of the two support rods 15 close to the tops are fixedly connected with a ring 20, the ring 20 fixes a second spring 21, the upper surfaces of the two rings 20 are fixedly connected with a second spring 21, the second spring 21 promotes the ring 20 to move downwards, the second spring 21 and the ring 20 move downwards together to drive the support rods 15 to move downwards, the support rods 15 are matched with a fixing block 17 to remove clamping on the filter plate 5, so that the filter plate 5 moves downwards, the tops of the second springs 21 are movably connected with the lower surface of the filter plate 5, the bottoms of the two support rods 15 are fixedly connected with sliding plates 16, the sliding plates 16 slide in sliding grooves in the inclined planes of the support plates 10, so that the support rods 15 move upwards and downwards, the lower surfaces of the sliding plates 16 are slidably connected with the upper surface of the support plate 10, the tops of the support rods 15 are movably connected with the lower surface of the filter plate 5, and the vertical central line symmetric distribution of casing 1 more than two fixed plates 17, the setting of two fixed plates 17 has further increased the stability of filter 5 in casing 2 down, the lower surface of fixed plate 17 and the upper surface swing joint of filter 5.

The working principle is as follows: when the dustproof smoke sensor 4 is used and the filter plate 5 needs to be replaced, the upper shell 1 and the lower shell 2 are clamped and can be detached, so that the upper shell 1 and the lower shell 2 are separated, the transmission arm 13 is manually extruded to enable the transmission arm 13 to move inwards, the transmission arm 13 moves inwards to drive the second slip ring 14 to move, the second slip ring 14 moves to further push the support rod 15, the sliding plate 16 at the bottom of the support rod 15 slides downwards on the support plate 10, and therefore the top of the support rod 15 is separated from the lower surface of the filter plate 5, and detachment is convenient to complete; when the filter plate 5 needs to be installed, the filter plate 5 is placed at the top of the supporting rod 15, the extrusion on the movable arm 13 is manually removed, the sliding ring I11 moves outwards under the action of the elastic force of the spring I12, the sliding ring I11 moves outwards to drive the movable arm 13 to move outwards, the movable arm 13 further drives the sliding ring II 14 to move, the sliding ring II 14 moves to further pull the supporting rod 15, the sliding plate 16 at the bottom of the supporting rod 15 slides upwards on the supporting plate 10, the supporting rod 15 pushes the filter plate 5 to be in contact with the fixed block 17, the top of the supporting rod 15 is extruded with the lower surface of the filter plate 5 under the further pushing of the supporting rod 15, so that the clamping on the filter plate 5 is completed under the matching use of the supporting rod 15 and the fixed block 17, the installation is completed, and the problem that the filter plate 5 is not easy to detach and replace in the actual use process, lead to smog alarm sensor when using for a long time, the surface of filter 5 can accumulate a large amount of dusts, can cause the jam to filter 5, has reduced filter 5's filter effect to can lead to the dust to produce the influence to control panel 3, further reduce the problem of smog alarm sensor job stabilization nature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dirt-proof smog alarming sensor, includes casing (1), casing (2) and control panel (3) down, go up casing (1) and casing (2) joint down, be provided with the stand on the upper surface of going up casing (1), the lower surface of control panel (3) and the top fixed connection of stand, fixedly connected with smoke transducer (4) in casing (2) down, be provided with filter (5), its characterized in that between control panel (3) and smoke transducer (4): the lower surface of the filter plate (5) is provided with a dismounting device (6);

the dismounting device (6) comprises two bottom plates (7), the opposite sides of the two bottom plates (7) are fixedly connected with the inner wall of the lower shell (2) close to the bottom, the opposite surfaces of the two bottom plates (7) are fixedly connected with supporting columns (8), the opposite sides of the two supporting columns (8) close to the top are fixedly connected with connecting rods (9), the tops of the two supporting columns (8) are fixedly connected with supporting plates (10) which are obliquely arranged, the surfaces of the two connecting rods (9) are slidably connected with sliding rings (11), springs (12) are sleeved on the surfaces of the connecting rods (9), the two ends of each spring (12) are fixedly connected with the opposite sides of the corresponding supporting column (8) and the corresponding sliding ring (11), the upper surfaces of the two sliding rings (11) are fixedly connected with transmission arms (13), and the opposite ends of the two transmission arms (13) are fixedly connected with sliding ring II (14), two the equal sliding connection in inner wall of sliding ring two (14) has bracing piece (15), two the equal fixedly connected with slide (16) in bottom of bracing piece (15), the lower surface of slide (16) and the upper surface sliding connection of backup pad (10), the top of bracing piece (15) and the lower surface swing joint of filter (5), the inner wall fixedly connected with fixed plate (17) of casing (2) down, the lower surface of fixed plate (17) and the upper surface swing joint of filter (5).

2. A dust protected smoke alarm sensor according to claim 1 and wherein: the inclined plane of the supporting plate (10) is provided with sliding grooves (18), and the inner walls of the sliding grooves (18) are connected with the two sides of the two sliding plates (16) in a sliding mode.

3. A dust protected smoke alarm sensor according to claim 1 and wherein: the equal fixedly connected with push rod (19) of the back of the body side of two driving arm (13), the inner wall that casing (2) is close to the bottom down offers the through-hole that supplies push rod (19) to alternate.

4. A dust protected smoke alarm sensor according to claim 1 and wherein: two equal fixedly connected with ring (20) in surface that bracing piece (15) are close to the top, two the equal fixedly connected with spring two (21) of upper surface of ring (20), the top of spring two (21) and the lower surface swing joint of filter (5).

5. A dust protected smoke alarm sensor according to claim 1 and wherein: the number of the fixing plates (17) is two, and the two fixing plates (17) are symmetrically distributed on the vertical central line of the shell (1).