CN219590914U - Flexible shielding cover of smoke alarm - Google Patents

Abstract

The utility model belongs to the technical field of shielding of smoke alarms and discloses a flexible shielding cover of a smoke alarm, which comprises a shielding structure, wherein the shielding structure comprises a cover body for covering the smoke alarm and a fixing structure, the fixing structure comprises a clamping surface and an expansion ring, the clamping surface and the expansion ring are positioned on the same plane, a bayonet used for clamping the bottom of the smoke alarm is arranged in the clamping surface, an annular surface is arranged on the upper surface wall of the clamping surface, the clamping surface is arranged, a bayonet used for plugging the smoke alarm is arranged in the clamping surface, the annular surface is also arranged on the surface wall of the clamping surface, and the bayonet faces to the lower part of the smoke alarm when the shielding cover is used, then the clamping surface is pushed upwards, so that the smoke alarm is isolated from the outside, and the shielding cover can adapt to the smoke alarms of different types by means of the clamping and fixing structure, thereby improving the compatibility of the shielding cover.

Description

Flexible shielding cover of smoke alarm

Technical Field

The utility model belongs to the technical field of shielding of smoke alarms, and particularly relates to a flexible shielding cover of a smoke alarm.

Background

In fire-fighting equipment, including smoke alarm equipment, when it detects that there is smog around, can automatic alarm, but when smog disinfection and smog remove formaldehyde, produced smog can lead to smoke alarm to sense smog and report to the police, but this type of warning belongs to the false alarm, consequently, in order to avoid the emergence of this kind of circumstances, can use the shield cover to isolate smoke alarm and outside before the disinfection to avoid the disinfection smog to be sensed, the shield cover that uses now mostly is plastic materials, the smog alarm according to a certain pattern of fixed pattern opens the mould, its use scene is single, can't use in the smog alarm of other patterns, therefore the compatibility is relatively poor.

Disclosure of Invention

The utility model aims to provide a flexible shielding cover of a smoke alarm, which solves the problem of poor compatibility of the existing shielding cover of the smoke alarm.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible shield cover of smoke alarm, includes shielding structure, shielding structure is including the cover body that is used for covering the smoke alarm, fixed knot constructs including clamping face and extension ring, and clamping face and extension ring are located the coplanar, the bayonet socket that is used for going into smoke alarm bottom card is seted up to the inside of clamping face, the upper surface wall of clamping face is provided with the anchor ring, clamping face and extension ring are integrated into one piece structure, and all adopt flexible material.

Preferably, a collar is arranged between the fixed structure and the shielding structure, and the collar is made of hard materials and is used for connecting the shielding structure and the fixed structure.

Preferably, the top end of the clamping ring is provided with a second clamping groove, the bottom wall of the clamping ring is provided with a first clamping groove, and the first clamping groove is matched with the edge of the cover body.

Preferably, a clamping ring is arranged at one end of the clamping surface, which is close to the clamping ring, and the clamping ring is matched with the second clamping groove.

Preferably, the second convex ring is arranged in the second clamping groove, and the first convex ring is arranged in the first clamping groove.

Preferably, the surface wall of the snap ring is provided with a second concave ring matched with the second convex ring, the top end of the cover body is provided with a first concave ring matched with the first convex ring, and the bottom wall of the cover body is provided with a one-way valve.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model is provided with the clamping surface, the inside of the clamping surface is provided with the bayonet for plugging the smoke alarm, the surface wall of the clamping surface is also provided with the annular surface, the bayonet faces to the lower part of the smoke alarm when in use, then the clamping surface is pushed upwards, the clamping surface is supported by the smoke alarm by virtue of the characteristic of flexible materials, and then the clamping effect provided by the acting force matched with the annular surface when the clamping surface is contracted is used for fixing the clamping surface on the surface wall of the smoke alarm, so that the smoke alarm is isolated from the outside, the situation of false starting caused by killed smoke is avoided, and the clamping and fixing structure can adapt the clamping surface to the smoke alarms of different models, thereby improving the compatibility of shielding covers.

(2) The utility model is provided with the clamping ring, the clamping ring is made of hard materials, the top end and the bottom end of the clamping ring are respectively provided with the first clamping groove and the second clamping groove, the first clamping groove and the second clamping groove can be respectively clamped into the end face of the cover body and the clamping ring, and when the shielding cover is used, the shielding cover can be pushed by holding the clamping ring after being mounted, so that the condition that the effective force application is difficult due to the flexible material of the shielding cover is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an external view of the present utility model;

FIG. 3 is a top view of the present utility model;

in the figure: 1. a bayonet; 2. an annulus; 3. a clamping surface; 4. a clasp; 5. an expansion ring; 6. a collar; 7. a cover body; 8. a one-way valve; 9. a first collar; 10. a first concave ring; 11. a first clamping groove; 12. a second clamping groove; 13. a second convex ring; 14. and a second concave ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a flexible shield cover of smoke alarm, includes shielding structure, shielding structure is including the cover body 7 that is used for covering the smoke alarm, fixed knot constructs, and fixed knot constructs including clamping face 3 and extension ring 5, and clamping face 3 and extension ring 5 are located the coplanar, and bayonet socket 1 that is used for going into smoke alarm bottom card is seted up to clamping face 3's inside, and clamping face 3's upper surface wall is provided with anchor ring 2, and clamping face 3 and extension ring 5 are the integral type structure, and all adopt flexible material.

Through the technical scheme;

the clamping opening 1 is clamped in the ground step of the smoke alarm until the clamping surface 3 is contacted with the surface wall of the smoke alarm, then the shielding cover is pushed upwards, the pressure of the shielding cover enables the clamping surface 3 to deform, the resetting acting force of the shielding cover presses the surface wall of the smoke alarm, meanwhile, the protruding annular surface 2 can strengthen the pressing effect, so that the fixing effect is improved, and the shielding cover can adapt to the smoke alarms of different models by means of the fixing mode of shrinkage extrusion of the shielding cover, so that the compatibility of the shielding cover is improved.

Referring to fig. 1-3, a collar 6 is disposed between the fixed structure and the shielding structure, the collar 6 is made of hard material, the collar 6 is used for connecting the shielding structure and the fixed structure, a second clamping groove 12 is formed at the top end of the collar 6, a first clamping groove 11 is formed in the bottom wall of the collar 6, the first clamping groove 11 is matched with the edge of the cover 7, a clamping ring 4 is disposed at one end, close to the collar 6, of the clamping surface 3, the clamping ring 4 is matched with the second clamping groove 12, a second convex ring 13 is disposed in the second clamping groove 12, a first convex ring 9 is disposed in the first clamping groove 11, a second concave ring 14 matched with the second convex ring 13 is formed in the surface wall of the clamping ring 4, a first concave ring 10 matched with the first convex ring 9 is formed in the top end of the cover 7, and a check valve 8 is disposed at the bottom wall of the cover 7.

Through the technical scheme;

after inserting the snap ring 4 into the second clamping groove 12, make the second bulge loop 13 card go into in the second concave ring 14, in inserting first clamping groove 11 with cover body 7 edge, make simultaneously in first bulge loop 9 card go into first concave ring 10, thereby connect fixed knot structure and shielding structure with the help of snap ring 4, handheld snap ring 4 extrudees when the installation, regard as the stress point with the help of the difficult deformation's of its hard material characteristic, thereby improve the convenience of installation, can form pressure differential through the mode that extrudes the whole air in inside after extruding cover body 7 through check valve 8 simultaneously, further strengthen fixed effect with the help of the atmospheric pressure.

The working principle and the using flow of the utility model are as follows: use the utility model discloses the time, with your snap ring 4 card of expansion ring 5 below go into the second draw-in groove 12 on rand 6 top, and make second bulge loop 13 card go into in the second concave ring 14, then the open end card of cover body 7 goes into first draw-in groove 11, and make first bulge loop 9 card go into first concave ring 10, with this expansion ring 5 and cover body 7 are connected through rand 6, when establishing its cover outside the smoke alarm, the outside of handheld rand 6, with the characteristic of its hard material difficult deformation as the force point, aim at the bottommost of smoke alarm with bayonet socket 1, then upwards promote, take place deformation after the characteristic of the flexible material of gripping surface 3 makes it atress, so the smoke alarm is lived in this, simultaneously at the effort extrusion smoke alarm's that produces when its gripping surface 3 resets, cooperation torus 2 extrudes the effort of alarm surface wall and presss its self at the surface wall of alarm, its structure that it presss from both sides fixed makes it have better compatibility when facing different models of smoke alarm.

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

Claims (6)

1. A flexible shield for a smoke alarm, comprising: comprises the following steps of;

a shielding structure comprising a housing (7) for housing the smoke alarm;

the fixing structure comprises a clamping surface (3) and an expansion ring (5), and the clamping surface (3) and the expansion ring (5) are positioned on the same plane;

a bayonet (1) for clamping the bottom of the smoke alarm is formed in the clamping surface (3), and an annular surface (2) is formed in the upper surface wall of the clamping surface (3);

the clamping surface (3) and the expansion ring (5) are of an integrated structure, and are made of flexible materials.

2. A smoke alarm flexible shield according to claim 1, wherein: a clamping ring (6) is arranged between the fixed structure and the shielding structure, the clamping ring (6) is made of hard materials, and the clamping ring (6) is used for connecting the shielding structure and the fixed structure.

3. A smoke alarm flexible shield according to claim 2, wherein: the top end of the clamping ring (6) is provided with a second clamping groove (12), the bottom wall of the clamping ring (6) is provided with a first clamping groove (11), and the edges of the first clamping groove (11) and the cover body (7) are matched.

4. A smoke alarm flexible shield according to claim 3, wherein: one end of the clamping surface (3) close to the clamping ring (6) is provided with a clamping ring (4), and the clamping ring (4) is matched with the second clamping groove (12).

5. A smoke alarm flexible shield according to claim 4 wherein: the inside of second draw-in groove (12) is provided with second bulge loop (13), the inside of first draw-in groove (11) is provided with first bulge loop (9).

6. A smoke alarm flexible shield according to claim 5 wherein: the surface wall of snap ring (4) is offered and is had second concave ring (14) with second bulge loop (13) assorted, first concave ring (10) with first bulge loop (9) assorted are offered on the top of the cover body (7), the diapire of the cover body (7) is provided with check valve (8).