CN210667100U

CN210667100U - Smoke induction device

Info

Publication number: CN210667100U
Application number: CN201922444358.4U
Authority: CN
Inventors: 陈彬锋
Original assignee: Guangzhou Feng An Fire Engineering Co ltd
Current assignee: Guangzhou Feng An Fire Engineering Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-06-02
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a smoke induction system, including installing at indoor hollow shell and the circuit board of installation in the shell, the shell is including dismantling the maze upper cover and the maze body of connection, and smoke induction system still includes pre-buried mount pad on indoor roof, has seted up the opening on the mount pad and has moved towards indoor arc type groove, installs the jib on the maze body, and the one end and the shell of jib are connected, and the other end of jib is fixed with the hanger plate. When the smoke induction device needs to be taken down from the mounting seat, the hanging plate slides along the reverse direction so that the hanging plate is taken out from the insertion arc-shaped groove, and then the smoke induction device can be taken down regularly to clean dust on the smoke induction device, so that dust is not easy to accumulate in the labyrinth body and the labyrinth upper cover, and the sensitivity of the smoke induction device is not easy to be influenced by the dust. The detachably connected labyrinth body and the labyrinth cover plate can conveniently clean dust in the smoke sensing device.

Description

Smoke induction device

Technical Field

The utility model belongs to the technical field of smoke alarm's technique and specifically relates to a smoke induction system is related to.

Background

The smoke sensing device comprises a smoke sensor, the shadow of the smoke sensor can be seen in various buildings at present, and the smoke sensor realizes fire prevention by detecting the concentration of smoke.

The existing smoke sensor can send out an alarm when detecting that the smoke concentration in the air exceeds a threshold value through a detection circuit in the existing smoke sensor so that people can know the occurrence of a fire in time.

The above prior art solutions have the following drawbacks: the sensitivity of the detector labyrinth is increased by dust accumulation after the smoke alarm has been in use for a period of time, which leads to false alarms and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model aims at providing a smoke induction system.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a smog induction system, is including installing indoor hollow shell and the circuit board of installation in the shell, the shell is including dismantling labyrinth upper cover and the maze body of connection, and smog induction system still includes pre-buried mount pad on indoor roof, sets up the opening on the mount pad towards indoor arc wall, install the jib on the maze body, the one end of jib with the shell is connected, the other end of jib is fixed with the hanger plate, the hanger plate is followed the one end of arc wall stretches into in the arc wall and after the stroke is predetermine in the slip with the arc wall joint.

Through adopting above-mentioned technical scheme, aim at the arc wall with the hanger plate and then with the hanger plate push into in the arc wall and along the length direction slip hanger plate of arc wall so that the hanger plate card is in the arc wall, the jib is with labyrinth body and hanger plate fixed connection, and then makes the labyrinth body fix on the mount pad. When the smoke sensing device needs to be taken down from the mounting seat, the hanging plate is rotated along the opposite direction so that the hanging plate is taken out from the insertion arc-shaped groove, and then the smoke sensing device can be taken down regularly to clean dust on the smoke sensing device, so that dust is not easy to accumulate in the labyrinth body and the labyrinth upper cover, and the sensitivity of the smoke sensing device is not easy to be influenced by the dust. The detachably connected labyrinth body and the labyrinth cover plate can conveniently clean dust in the smoke sensing device.

The present invention may be further configured in a preferred embodiment as: the arc wall is provided with two, the jib is provided with two, the concave part of arc wall sets up relatively.

Through adopting above-mentioned technical scheme, through setting up two arc walls in order to increase the stability that shell and mount pad are connected to make smoke induction system keep good security protection effect.

The present invention may be further configured in a preferred embodiment as: the cross section of the suspender is circular, and the outer side wall of the suspender is in clearance fit with the opening edge of the arc-shaped groove.

Through adopting above-mentioned technical scheme, make the outside limit of jib and the opening border clearance fit of arc wall to make behind hanger plate and arc wall joint, difficult emergence with jib fixed connection's shell is rocked.

The present invention may be further configured in a preferred embodiment as: and the mounting seat is provided with a positioning rod which is positioned at the edge of the arc-shaped groove where the hanging plate is inserted.

Through adopting above-mentioned technical scheme, smoke sensing device installs in the eminence, during the installation, because the reason of angle, the shell can shelter from the sight that partial hanger plate aimed at the arc wall entry, plays the effect of location to the hanger plate when the installation through the locating lever, and the installer can be through the position of observing the locating lever alright learn the position of the entry of arc wall, has improved the efficiency of installation.

The present invention may be further configured in a preferred embodiment as: the locating lever is provided with a protrusion, the hanging rod is sunken with a sliding groove, and the protrusion extends into the sliding groove and is in sliding connection with the sliding groove.

Through adopting above-mentioned technical scheme, go into the spout with protruding card in order to realize the prealignment of hanger plate and arc wall entry, promote the hanger plate to the direction of arc wall along the locating lever, can be directly with in the hanger plate slides into the arc wall along the locating lever, the smoke induction system of easy to assemble.

The present invention may be further configured in a preferred embodiment as: the arc-shaped groove is used for inserting the clamping plate into the end and is inserted with the plug block.

Through adopting above-mentioned technical scheme, supply hanger plate male entrance at the arc wall through the chock plug to make the hanger plate be difficult for breaking away from the arc wall along inserting the direction, improved the stability that smoke induction system and mount pad are connected.

The present invention may be further configured in a preferred embodiment as: the labyrinth upper cover is provided with an elastic clamping hook, and a clamping part matched with the clamping hook in a clamping way is arranged on the labyrinth body.

Through adopting above-mentioned technical scheme, with trip and joint portion joint to realize that labyrinth upper cover and labyrinth body's connection is fixed, when needs clearance dust, make trip and joint portion break away from alright with labyrinth body and labyrinth upper cover separation, conveniently clear up the dust in it.

The present invention may be further configured in a preferred embodiment as: the trip and the joint portion all are provided with two.

Through adopting above-mentioned technical scheme, strengthen the stability of being connected of labyrinth upper cover and labyrinth body through the quantity that increases trip and joint portion.

The present invention may be further configured in a preferred embodiment as: the labyrinth upper cover is internally provided with a convex column in a protruding mode, and the labyrinth body is provided with a slot matched with the convex column in an inserting mode.

Through adopting above-mentioned technical scheme, projection and slot are pegged graft the cooperation in order to increase the area of contact between the labyrinth body and the labyrinth upper cover, further make the difficult and labyrinth body separation of labyrinth upper cover.

To sum up, the utility model discloses a beneficial technological effect does:

1. aim at the arc wall with the hanger plate and then push into the arc wall with the hanger plate and along the length direction slip hanger plate of arc wall so that the hanger plate card is in the arc wall, the jib is with labyrinth body and hanger plate fixed connection, and then makes the labyrinth body fix on the mount pad. When the smoke induction device needs to be taken down from the mounting seat, the hanging plate slides along the reverse direction so that the hanging plate is taken out from the insertion arc-shaped groove, and then the smoke induction device can be taken down regularly to clean dust on the smoke induction device, so that dust is not easy to accumulate in the labyrinth body and the labyrinth upper cover, and the sensitivity of the smoke induction device is not easy to be influenced by the dust. The detachably connected labyrinth body and the labyrinth cover plate can conveniently clean dust in the smoke sensing device;

2. during installation, due to the angle, the shell can shield part of sight of the hanging plate aligned to the inlet of the arc-shaped groove, the hanging plate is positioned by the positioning rod during installation, an installer can know the position of the inlet of the arc-shaped groove by observing the position of the positioning rod, and the installation efficiency is improved;

3. the clamping hook is clamped with the clamping portion to realize the connection and fixation of the labyrinth upper cover and the labyrinth body, when dust needs to be cleaned, the clamping hook is separated from the clamping portion, so that the labyrinth body and the labyrinth upper cover can be separated, and the dust in the labyrinth upper cover can be conveniently cleaned.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the hanger plate sliding from the positioning rod to the insertion opening;

FIG. 3 is a schematic view of the labyrinth upper cover and the labyrinth body in this embodiment when they are separated.

In the figure, 1, a mounting seat; 2. a housing; 21. a labyrinth body; 22. a labyrinth upper cover; 221. a connecting ring; 222. a top cover; 223. a connecting rod; 3. a boom; 4. a hanger plate; 5. an arc-shaped slot; 51. an insertion opening; 6. positioning a rod; 7. a protrusion; 8. a chute; 9. a chock block; 10. a hook is clamped; 101. an inclined section; 102. a hooking section; 103. a placement groove; 11. a clamping part; 111. clamping a plate; 112. a card slot; 12. a convex column; 13. and (4) a slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a smoke induction device, including installing the circuit board in indoor hollow shell 2 and installation shell 2, smoke induction device still includes pre-buried mount pad 1 on indoor roof, and it has opening towards indoor arc wall 5 to open on mount pad 1, installs jib 3 on shell 2, jib 3's one end and shell 2 fixed connection, and the other end is fixed with hanger plate 4, hanger plate 4 from the one end of arc wall 5 stretch into in the arc wall 5 and after the stroke is predetermine in the slip with arc wall 5 joint. The mode of inserting and then clamping is adopted, so that the shell 2 and the mounting seat 1 are conveniently fixed.

Referring to fig. 2, there are two arc-shaped grooves 5, and there are two hanger rods 3 corresponding to the arc-shaped grooves 5, and the concave portions of the two arc-shaped grooves 5 are opposite. The stability of the connection between the housing 2 and the mount 1 is increased.

Referring to fig. 2, the hanging plate 4 is shaped like a circular cake, one end of the arc-shaped groove 5, into which the hanging plate 4 is inserted, is a circular insertion opening 51, and the diameter of the hanging plate 4 is larger than the length of the connection line of the two opposite groove edges of the arc-shaped groove 5. After the hanging plate 4 is inserted into the arc-shaped slot 5 from the arc-shaped slot 5 and slides in the direction far away from the insertion opening 51 until the hanging plate is separated from the insertion opening 51, the hanging plate 4 is abutted against the slot wall of the arc-shaped slot 5, and the hanging plate 4 is fixed with the arc-shaped slot 5.

Referring to fig. 2, the cross section of the suspension rod 3 is circular, the diameter of the suspension rod 3 is smaller than that of the suspension plate 4, the central axis of the suspension rod 3 is perpendicular to and fixed with the central point of the suspension plate 4, and the outer side wall of the suspension rod 3 is in clearance fit with the groove edge of the arc-shaped groove 5. The shaking of the housing 2 is reduced.

Referring to fig. 2, a positioning rod 6 is vertically fixed to the mounting base 1 at the edge of the insertion opening 51, and the length of the positioning rod 6 is smaller than that of the hanger bar 3. It is convenient to determine the position of the insertion opening 51.

Referring to fig. 2, a protrusion 7 is convexly provided on the positioning rod 6 in a direction toward the insertion opening 51, the length of the protrusion 7 is identical to the length of the positioning rod 6, the end of the protrusion 7 faces the insertion opening 51, a side edge of the hanger plate 4 is recessed along the thickness direction of the hanger plate 4 to form a chute 8 with two through ends, and the chute 8 is inserted into the chute 8 from an opening of the chute 8 and is slidably connected with the chute 8. The protrusion 7 is inserted into the slide groove 8 to achieve the prealignment of the hanger plate 4 with the insertion opening 51 for installation.

Referring to fig. 2, a cylindrical plug 9 is inserted into the insertion port 51, and the plug 9 is inserted into the insertion port 51. The hanger plate 4 is not easily separated from the insertion opening 51 in the mounting seat 1.

Referring to fig. 2, a notch is formed in the position, opposite to the protrusion 7, of the plug 9, and the plug 9 is not easily interfered with the protrusion 7.

Referring to fig. 3, the housing 2 includes a labyrinth body 21 and a labyrinth upper cover 22, and the suspension rod 3 is connected to the labyrinth body 21. The labyrinth body 21 is fixed to the mounting base 1 (see fig. 2) by the suspension rod 3.

Referring to fig. 3, a labyrinth body 21 and a labyrinth upper cover 22 are detachably coupled, the labyrinth body 21 is hollow, and a circuit board is installed in the labyrinth body 21. The labyrinth body 21 and the labyrinth upper cover 22 are disassembled to clean dust.

Referring to fig. 3, the labyrinth upper cover 22 includes a connection ring 221 and a dome-shaped top cover 222 which are closed end to end, a gap is left between the connection rod 223 and the top cover 222 for smoke to pass through, the labyrinth body 21 is communicated with the gap between the connection rod 223 and the top cover 222, and the connection ring 221 and the top cover 222 are connected through a plurality of connection rods 223.

Referring to fig. 3, an elastic hook 10 is fixed on the connection ring 221, and a clamping portion 11 clamped and matched with the hook 10 is recessed at the joint of the labyrinth body 21 and the labyrinth upper cover 22. The labyrinth upper cover 22 and the labyrinth body 21 are connected and fixed through the matching of the clamping hook 10 and the clamping part 11.

Referring to fig. 3, a placing groove 103 is recessed on the connection ring 221, the hook 10 includes a hooking section 102 and an elongated inclined section 101, one end of the inclined section 101 is fixedly connected to the placing groove 103, the other end of the inclined section 101 extends out of the placing groove 103 and is fixedly connected to the hooking section 102, an acute angle is formed between the hooking section 102 and the inclined section 101, and the inclined section 101 is inclined to the placing groove 103 toward the labyrinth body 21. The surface of the hooking section 102, which is opposite to the joint of the inclined section 101 and the arc-shaped groove 5, is a guide surface inclined to the inclined section 101. The guide surface plays a role of guiding when the hook 10 is hooked with the hooking portion 11.

Referring to fig. 3, the locking portion 11 includes a locking groove 112 recessed in the labyrinth body 21 and a locking plate 111 fixed outside the locking groove 112 and having one end bent inward, and a space for locking the hook 10 is defined between the locking plate 111 and the locking groove 112. The hooking section 102 hooks the bent portion of the clamping plate 111 to realize the clamping of the hook 10 and the clamping portion 11, and further realize the fixing of the labyrinth upper cover 22 and the labyrinth body 21.

Referring to fig. 3, two sets of hooks 10 and two sets of clamping portions 11 are correspondingly arranged, and the two sets of hooks 10 and the two sets of clamping portions 11 are symmetrically arranged. The stability of the connection of the labyrinth upper cover 22 and the labyrinth body 21 is further enhanced.

Referring to fig. 3, the connection ring 221 is fixedly connected with a plurality of convex columns 12, and the labyrinth body 21 is recessed with slots 13 engaged with the convex columns 12, so as to further enhance the stability of the connection between the labyrinth upper cover 22 and the labyrinth body 21.

The working conditions and the implementation principle of the embodiment are as follows:

when the smoke sensing device is installed, the protrusion 7 is inserted into the sliding groove 8, the labyrinth upper cover 22 is pushed along the length direction of the protrusion 7, and the hanging plate 4 moves in the direction opposite to the insertion opening 51, so that the pre-alignment of the hanging plate 4 is realized, and the installation efficiency is improved. The hanging plate 4 is inserted into the arc-shaped groove 5 from the direction of the insertion opening 51, then the hanging plate 4 is pushed to move in the direction away from the insertion opening 51, so that the hanging plate 4 and the insertion opening 51 are staggered, and the hanging plate 4 is clamped with the arc-shaped groove 5 to fix the smoke induction device and the mounting base 1. When the plug 9 is inserted into the insertion opening to seal the insertion opening 51, the hanger plate 4 is not easily separated from the arc-shaped slot 5 from the insertion opening 51. The smoke induction device is installed on the indoor top plate in a splicing and back clamping mode, and the installation and the operation are convenient. The installed smoke induction device shields the arc-shaped groove 5 in the vertical direction, and the attractiveness of the indoor top plate is kept.

When the smoke induction device is detached for cleaning, the plug block 9 is taken down, the hanging plate 4 slides along the reverse direction during installation until the hanging plate 4 is aligned with the insertion hole 51, then the hanging plate 4 can be taken out from the insertion hole 51, the smoke induction device can be separated from the installation seat 1, the operation is simple, and the smoke induction device is convenient to detach.

Meanwhile, the inclined sections 101 of the two sets of hooks 10 are pressed in the direction away from the corresponding clamping plates 111, so that the hooking sections 102 are separated from the clamping plates 111, the labyrinth upper cover 22 can be separated from the labyrinth body 21, dust in the labyrinth upper cover can be cleaned, the dust in the smoke sensing device is not prone to affecting the sensitivity of the smoke sensing device, and the smoke sensing device has a better smoke detection function.

When installation labyrinth upper cover 22 and labyrinth body 21, press slope section 101 so that the spigot surface of hooking section 102 pastes the end of buckling of cardboard 111, until the end dislocation of buckling of hooking section and cardboard 111, loosen and press slope section 101 to make slope section 101 and hooking section 102 catch on cardboard 111 under the effect of its self elasticity, trip 10 is fixed with joint portion 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A smoke sensing device comprising a hollow housing (2) mounted indoors and a circuit board mounted within the housing (2), characterised in that: shell (2) is including dismantling labyrinth upper cover (22) and the labyrinth body (21) of connection, and smog induction system still includes pre-buried mount pad (1) on indoor roof, has seted up opening towards indoor arc wall (5) on mount pad (1), install jib (3) on the labyrinth body (21), the one end of jib (3) with shell (2) are connected, the other end of jib (3) is fixed with hanger plate (4), hanger plate (4) are followed the one end of arc wall (5) is stretched into in arc wall (5) and is predetermine the stroke back and arc wall (5) joint in the slip.

2. A smoke sensing device according to claim 1, wherein: the number of the arc-shaped grooves (5) is two, the number of the hanging rods (3) is two, and the concave parts of the two arc-shaped grooves (5) are arranged oppositely.

3. A smoke sensing device according to claim 2, wherein: the cross section of the suspender (3) is circular, and the outer side wall of the suspender (3) is in clearance fit with the opening edge of the arc-shaped groove (5).

4. A smoke sensing device according to claim 3, wherein: and a positioning rod (6) is arranged on the mounting seat (1), and the positioning rod (6) is positioned at the edge of the arc-shaped groove (5) where the hanging plate (4) is inserted.

5. A smoke sensing device according to claim 4, wherein: the positioning rod (6) is provided with a protrusion (7), the edge of the hanging plate (4) is sunken with a sliding groove (8), and the protrusion (7) extends into the sliding groove (8) and is in sliding connection with the sliding groove (8).

6. A smoke sensing device according to claim 2, wherein: the clamping plate (111) is inserted into the arc-shaped groove (5) and the blocking block (9) is inserted into the clamping end of the arc-shaped groove.

7. A smoke sensing device according to claim 1, wherein: the labyrinth upper cover (22) is provided with an elastic clamping hook (10), and a clamping groove (112) matched with the clamping hook (10) in a clamping mode is arranged on the labyrinth body (21).

8. A smoke sensing device according to claim 7, wherein: the clamping hook (10) and the clamping groove (112) are provided with two clamping hooks.

9. A smoke sensing device according to claim 7, wherein: the labyrinth upper cover (22) is internally provided with a convex column (12) in a protruding way, and the labyrinth body (21) is provided with a slot (13) which is matched with the convex column (12) in an inserting way.