CN218122766U

CN218122766U - Integral key alarm device

Info

Publication number: CN218122766U
Application number: CN202222111311.8U
Authority: CN
Inventors: 马狄广
Original assignee: Shenzhen Anxiao Technology Co ltd
Current assignee: Shenzhen Anxiao Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-23
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses an integral key alarm device, including key housing, key housing includes upper cover subassembly, drain pan and mounting plate, the drain pan is provided with the spread groove, mounting plate is provided with the snap ring, mounting plate passes through the snap ring and spread groove block is connected with the drain pan, the upper cover subassembly is provided with the contact ribbing and presses the button post, be provided with the recess in the drain pan, be provided with the bullet layering in the recess, the drain pan embeds there is the PCB board, be provided with the light touch switch on the PCB board, when the contact ribbing extrudees the bullet layering, touch the button post and trigger the light touch switch, the utility model discloses a contact ribbing extrudees the bullet layering and warp, utilizes the elasticity of bullet layering, makes the upper cover subassembly obtain pushing down to automatic re-setting, the upper cover subassembly is succinct pleasing to the eye, has practiced thrift the manufacturing cost of product, increases the reliability and the stability of product, presses the upper cover subassembly arbitrary position homoenergetic and trigger the light touch switch, reaches the effect of opening the alarm or closing the alarm.

Description

Integral key alarm device

Technical Field

The utility model relates to an alarm technical field specifically indicates an integral key alarm device.

Background

With the development of science and technology, smoke alarms are widely used in buildings as a means of detecting fires and alarming. Smoke alarm realizes the prevention and warning of conflagration through monitoring the concentration of smog, assemble on the ceiling through the link plate with the screw fixation usually, general smoke alarm description can require the user to test once every week, ensure that the alarm is in normal operating condition, need manually touch the button that is located alarm top or side just to test the alarm, because smoke alarm generally installs in positions such as ceiling, the people generally can not reach, so need climb up with the help of tools such as ladders to press the wrong report elimination key of smoke alarm and just can eliminate the wrong report, smoke alarm's button on the market at present has a great deal of shortcomings, for example need aim at the button center and can press, and if press the position and be located the edge of button then can't close the warning, or test whether the alarm is functional intact, the result of use is extremely poor.

Chinese utility model with publication number CN211307289U discloses a fire detection alarm and leaded light button integral type structure thereof, its alarm indicating unit that is used for driving in the fire detection alarm, this alarm unit include pilot lamp and micro-gap switch be connected with the circuit board electricity in the fire detection alarm, press the key cap cooperation to connect in pressing the keyway, press the key cap with according to the keyway within a definite time be equipped with the elastic reset piece of automatic re-setting key cap still be connected with the leaded light spare on the key cap, the leaded light spare is followed press the synchronous up-and-down reciprocating motion of key cap, the leaded light spare can contact micro-gap switch after-triggering the pilot lamp is opened, the leaded light spare is kept away from micro-gap switch and is made the pilot lamp is closed, and this leaded light button integral type structure need increase an elastic reset piece, and the installation is loaded down with trivial details, or influences the whole pleasing to the eye of product, has increased the design manufacturing cost of enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a low-cost integral button alarm device.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an integral key alarm device, includes button housing, button housing includes upper cover subassembly, drain pan and mounting plate, the drain pan is provided with the spread groove, mounting plate is provided with the snap ring, mounting plate passes through the snap ring and spread groove block is connected with the drain pan, the upper cover subassembly is provided with the contact and presses the muscle and presses the button post, be provided with the recess in the drain pan, be provided with the bullet layering in the recess, the drain pan embeds there is the PCB board, be provided with the light touch switch on the PCB board, when the contact presses the muscle extrusion bullet layering, triggers the light touch switch according to the button post.

Further, a clamping portion is arranged in the bottom shell, a buckle is arranged in the upper cover assembly, and the upper cover assembly is connected with the bottom shell through the buckle and the clamping portion.

Furthermore, still be provided with the pilot lamp on the PCB board, the pilot lamp is connected with the switch that dabs, triggers the switch that dabs, and the pilot lamp is bright.

Furthermore, the upper cover assembly is also provided with a sounding hole.

Furthermore, the key shell is round, square or rectangular.

Furthermore, a plurality of positioning columns are further arranged in the bottom shell, and the PCB is placed between the positioning columns.

Further, the spring pressing strip is provided with a connecting portion and an extrusion platform, the connecting portion is connected with the groove, and the contact pressing rib abuts against the extrusion platform.

Compared with the prior art, the utility model following advantage and beneficial effect have:

the utility model discloses carried out new design on the basis of current alarm, designed original independent button or local cut-off formula button into holistic integral type button, extrude the deformation of bullet layering through the contact beading, utilize the elasticity of bullet layering, make the upper cover subassembly get down, and automatic re-setting, strengthened the stability, the reliability and the whole pleasing to the eye of product, made the product satisfy the needs of different occasions, had wider commonality, convenience of customers regularly tests the alarm, improve the security, guarantee that the alarm can be in operating condition; the upper cover component is simple and attractive, the production cost of products is saved, the reliability and the stability of the products are improved, any adverse effect on the alarm cannot be caused, the touch switch can be triggered by pressing any part of the upper cover component, and the effect of opening or closing the alarm is achieved.

Drawings

FIG. 1 is a first exploded view of an integral push button alarm device;

FIG. 2 is a second exploded view of an integral key alarm device;

FIG. 3 is a third exploded view of an integrated push button alarm device;

FIG. 4 is a cross-sectional view of an integrated push button alarm device;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is a schematic structural diagram according to the second embodiment;

FIG. 7 is a schematic view of the third embodiment;

the device comprises an upper cover assembly, a 2-PCB, a 3-bottom shell, a 4-mounting bottom plate, a 5-sounding hole, a 6-key column, a 7-tact switch, an 8-positioning column, a 9-elastic pressing strip, a 10-indicator light, an 11-connecting groove, a 12-snap ring, a 13-snap part, a 14-contact pressing rib, a 15-snap, a 16-extrusion platform, a 17-connecting part and an 18-groove.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It is to be understood that the terms "comprises," "comprising," and "having" and any variations thereof in the description and claims of the invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

As shown in fig. 1-3, an integral key alarm device comprises a key housing, the key housing comprises an upper cover assembly 1, a bottom shell 3 and a mounting bottom plate 4, the bottom shell 3 is provided with a connecting groove 11, the mounting bottom plate 4 is provided with a snap ring 12, the mounting bottom plate 4 is connected with the bottom shell 3 through the snap ring 12 and the connecting groove 11, the upper cover assembly 1 is provided with a contact pressure rib 14 and a key post 6, a groove 18 is formed in the bottom shell 3, an elastic pressing strip 9 is arranged in the groove 18, a PCB (printed circuit board) 2 is arranged in the bottom shell 3, a light touch switch 7 is arranged on the PCB 2, when the elastic pressing strip 9 is extruded by the contact pressure rib 14, the key post 6 triggers the light touch switch 7, and the contact pressure rib 14 and the elastic pressing strip 9 can be provided with a plurality of groups in the key housing.

Be provided with joint portion 13 in the drain pan 3, be provided with buckle 15 in the upper cover subassembly 1, upper cover subassembly 1 is connected with drain pan 3 through buckle 15 and the 13 lock of joint portion, and when pushing down upper cover subassembly 1, buckle 15 and the temporary separation of joint portion 13, 14 extrusion elastic pressure strips 9 of contact pressure rib, elastic pressure strips 9 warp, and elastic pressure strips 9 in the drain pan 3 can produce the elastic force of reconversion, bounce upper cover subassembly 1 to original state.

In one embodiment, the PCB 2 is further provided with an indicator light 10, the indicator light 10 is connected to the tact switch 7, the tact switch 7 is triggered, and the indicator light 10 is turned on.

In one embodiment, the upper cover assembly 1 is further provided with a sound emitting hole 5, so that the sound transmission efficiency of the alarm is improved.

The key shell is round, square or rectangular, and the shape of the key shell is not limited. Still be provided with a plurality of reference column 8 in the drain pan 3, PCB board 2 places between reference column 8, and reference column 8 can prevent that PCB board 2 from removing to make PCB board 2 keep the direction uniformity. As shown in fig. 4 and 5, the elastic pressing strip 9 is provided with a connecting portion 17 and a pressing platform 16, the connecting portion 17 is connected with the groove 18, the contact bead 14 abuts against the pressing platform 16, and both the connecting portion 17 and the pressing platform 16 are deformed by pressure.

Example one

Install

mounting plate

4 and 3 block installations of drain pan, again with

drain pan

3 and 1 lock of upper cover subassembly, press upper cover subassembly 1, contact pressure muscle 14 extrudees bullet layering 9, it makes it take place elastic deformation to exert pressure for bullet layering 9 in the drain pan 2, press the key post 6 to trigger light touch switch 7, the alarm begins work or closes the alarm, trigger alarm work, after pressure is got rid of, bullet layering 9 resets, buckle 15 and joint portion 13 lock once more, elasticity by elastic form production forces upper cover subassembly 1 to resume original state.

Example two

As shown in fig. 6, the elastic pressing strip 9 is arranged at the joint of the bottom shell 3 and the upper cover assembly 1, and the effect of triggering the alarm can still be achieved by pressing the upper cover assembly 1.

EXAMPLE III

As shown in fig. 7, in the second embodiment, the key housing is designed to be rectangular, and the rest is unchanged.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes, modifications, substitutions, combinations, and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention should be considered as equivalent replacement modes within the scope of the present invention.

Claims

1. An integral key alarm device, its characterized in that: the button shell comprises a button shell body, the button shell body comprises an upper cover component, a bottom shell and a mounting bottom plate, the bottom shell is provided with a connecting groove, the mounting bottom plate is provided with a clamping ring, the mounting bottom plate is connected with the bottom shell through the clamping ring and the connecting groove, the upper cover component is provided with a contact pressing rib and a button post, a groove is arranged in the bottom shell, an elastic pressing strip is arranged in the groove, a PCB (printed circuit board) is arranged in the bottom shell, a touch switch is arranged on the PCB, and when the contact pressing rib extrudes the elastic pressing strip, the button post triggers the touch switch.

2. The integrated push-button alarm device according to claim 1, wherein: the improved structure is characterized in that a clamping portion is arranged in the bottom shell, a buckle is arranged in the upper cover assembly, and the upper cover assembly is connected with the bottom shell through the buckle and the clamping portion.

3. The integrated push-button alarm device according to claim 1, wherein: still be provided with the pilot lamp on the PCB board, the pilot lamp with dab the switch and be connected, trigger dabs the switch, the pilot lamp is bright.

4. The integrated push-button alarm device according to claim 1, wherein: the upper cover component is also provided with a sound hole.

5. The integrated push-button alarm device according to claim 1, wherein: the key shell is round, square or rectangular.

6. The integrated push-button alarm device according to claim 1, wherein: still be provided with a plurality of reference column in the drain pan, the PCB board is placed between the reference column.

7. The integrated push-button alarm device according to claim 1, wherein: the elastic pressing strip is provided with a connecting portion and an extrusion platform, the connecting portion is connected with the groove, and the contact pressing rib abuts against the extrusion platform.