CN211907289U - Fire detection alarm and light guide key integrated structure thereof - Google Patents
Fire detection alarm and light guide key integrated structure thereof Download PDFInfo
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- CN211907289U CN211907289U CN202020426340.1U CN202020426340U CN211907289U CN 211907289 U CN211907289 U CN 211907289U CN 202020426340 U CN202020426340 U CN 202020426340U CN 211907289 U CN211907289 U CN 211907289U
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a fire detection alarm and leaded light button integral type structure thereof, it is used for driving the interior alarm indicating unit of fire detection alarm, and this alarm unit includes pilot lamp and micro-gap switch of being connected with the circuit board electricity in the fire detection alarm, connects in according to the keyway according to the cooperation of key cap, press the key cap with according to the elasticity that is equipped with automatic re-setting key cap between the keyway reset, still be connected with leaded light spare on the key cap, leaded light spare is followed according to the synchronous up-and-down reciprocating motion of key cap, leaded light spare can contact micro-gap switch after-triggering the pilot lamp is opened, leaded light spare is kept away from micro-gap switch and is made the pilot lamp closes. The utility model discloses a leaded light button integral type structure makes on the alarm casing outward appearance more succinct, simple structure, and it is convenient to install, has reduced the manufacturing degree of difficulty of product.
Description
Technical Field
The utility model relates to a fire detection alarm device technical field, particularly, in particular to fire detection alarm and leaded light button integral type structure thereof.
Background
Stand alone type photoelectric smoke detection fire detection alarm is a fire control product that is used for family and little micro-place to have fire detection and send audible and visual alarm, its top utensil should have the test, the amortization button, fire alarm indicator should still have, and micro-gap switch and LED lamp pearl all design on the inside PCB of product, need derive the product shell with light through special structure, and need special structure with pressing force transmission to fixing on the micro-gap switch on PCB, similar structure among the prior art is comparatively complicated, the installation is loaded down with trivial details, lead to the alarm on the casing outward appearance not too pleasing to the eye, and the structure of required mould is complicated in the manufacturing process, lead to the production manufacturing cost increase degree of difficulty of product, the design manufacturing cost of enterprise has been wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need provide a casing outward appearance is more succinct on making the alarm, simple structure, and it is convenient to install, reduces the fire detection alarm and leaded light button integral type structure of the manufacturing degree of difficulty of product.
The utility model provides a light guide button integral type structure of fire detection alarm, it locates on the fire detection alarm in the keyway of casing, the alarm indication unit in the drive fire detection alarm, this alarm unit include with the interior pilot lamp and the micro-gap switch of circuit board electricity connection of fire detection alarm, it includes: connect in pressing the keyway according to the key cap cooperation, press the key cap with it resets according to the elasticity that the key cap was equipped with automatic re-setting between the keyway still be connected with leaded light spare according to on the key cap, leaded light spare is followed press the synchronous lifting and reciprocating motion of key cap, leaded light spare can contact micro-gap switch after-triggering the pilot lamp is opened, leaded light spare keeps away from micro-gap switch and makes the pilot lamp closes.
Furthermore, a plurality of first buckles which are arranged at intervals are arranged on the outer side wall of the key cap, and the first buckles are matched and clamped with first clamping holes arranged in the key grooves one by one.
Further, the light guide piece comprises a light guide column and a pressing protrusion arranged on the light guide column, and the pressing protrusion is close to the micro switch and is arranged at a preset distance.
Furthermore, one of the first buckles is provided with a guide groove, and one of the key grooves is provided with a guide bulge matched with the guide groove.
Further, the top of leaded light post be arranged in pegging graft in the through-hole that the key cap center was seted up, the through-hole periphery is equipped with a plurality of second buckles that set up at intervals along circumference, be equipped with on the leaded light post with the leaded light buckle recess that the cooperation of second buckle used.
Furthermore, one of the second buckles is provided with a limiting groove, the light guide column is provided with a limiting bulge matched with the limiting groove, and the limiting bulge is located at a preset distance below the groove of the light guide buckle.
Further, still be equipped with on the leaded light post and be used for connecting spacing arch with press bellied slow-witted post of preventing.
Furthermore, the elastic reset piece is a key reset spring.
The utility model also discloses a fire detection alarm, include a fire detection alarm's leaded light button integral type structure.
The light guide key integrated structure of the fire detection alarm of the utility model designs the light guide and the key into an integrated structure, the key cap is inserted and buckled in the key pressing groove, and a guide groove and a guide bulge which are matched for use are arranged between the light guide and the key, thereby being convenient for the consistency of the installation direction of the key cap; be equipped with button reset spring between key cap and the button groove, a be used for providing resilience force for pressing the key cap, make and to realize pressing key cap automatic re-setting after pressing the key cap down, and can provide good pressing and feel, wherein, the leaded light post joint is in the through-hole in the key cap, and follow according to the key cap motion process through the leaded light post, press the protruding micro-gap switch that starts or close, and light when the pilot lamp open mode passes to the external world through the leaded light post, be equipped with on the leaded light post and prevent slow-witted post, guarantee the uniformity in leaded light post installation position, above-mentioned structural design is simple, the structure of its production mould has been simplified greatly, the installation is swift convenient, the manufacturing degree of difficulty of product has been reduced, the last casing outward appearance that makes the fire detection alarm is succinct.
Drawings
Fig. 1 is an explosion structure diagram of a light guide key integrated structure of a fire detection alarm according to the utility model.
Fig. 2 is a schematic diagram of a partial explosion structure of a light guide key integrated structure of a fire detection alarm according to the present invention.
Fig. 3 is a sectional view of an assembly structure diagram of a light guide key integrated structure of a fire detection alarm according to the present invention.
Fig. 4 is a key groove structure diagram of a light guide key integrated structure of a fire detection alarm according to the present invention.
Fig. 5 is a rear view of fig. 4.
Fig. 6 is a perspective view showing a state of a key cap of a light guide key integrated structure of a fire detection alarm according to the present invention.
Fig. 7 is a perspective view of another state of the key cap.
Fig. 8 is a schematic structural diagram of a light guide member of a light guide key integrated structure of a fire detection alarm according to the present invention.
Reference numerals: 1-key cap; 2-an alarm indication unit; 3-a light guide; 4-pressing a key slot; 5-a circuit board; 6-elastic restoring piece; 11-a first buckle; 12-a through hole; 13-a second buckle; 14-a guide groove; 15-a limiting groove; 21-an indicator light; 22-a microswitch; 31-a light guide column; 32-pressing the protrusion; 33-light guide snap grooves; 34-a limiting bulge; 35-fool-proof columns; 41-a first card hole; 42-guide projection.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 8, a light guide key integrated structure of a fire detection alarm device is used for the fire detection alarm device, and comprises: the fire detection alarm comprises a key cap 1, an alarm indicating unit 2 and a light guide part 3, wherein the key cap 1 is buckled in a key groove 4 of an upper shell of the fire detection alarm, the alarm indicating unit 2 comprises an indicating lamp 21 electrically connected with a circuit board 5 in the fire detection alarm and a microswitch 22 for controlling the indicating lamp 21 to be turned on or turned off, the indicating lamp 21 is an LED lamp, and an elastic resetting part 6 is arranged between the key cap 1 and the key groove 4; the light guide part is inserted on the key cap and moves along with the key cap, the bottom end of the light guide part is arranged at a preset distance from the micro switch, and when the key cap is pressed down, the light guide part touches the micro switch and turns on or off the indicating lamp so as to transmit light emitted when the indicating lamp is in an on state to the outside along the light guide part.
The light guide key integrated structure of the fire detection alarm of the utility model designs the light guide and the key into an integrated structure, the key cap 1 is inserted and buckled in the key pressing groove 4, and a guide groove 14 and a guide bulge 42 which are used in a matched way are arranged between the light guide and the key, thereby being convenient for the consistency of the installation direction of the key cap 1; be equipped with button reset spring between key cap 1 and the button groove 4, be used for providing resilience force for pressing key cap 1, make and to realize pressing key cap 1 automatic re-setting after pressing key cap 1, and can provide good pressing and feel, wherein, light guide column 31 joint is in the through-hole in key cap 1, and in following the motion process according to key cap 1 through light guide column 31, press protruding 32 to start or close micro-gap switch 22, and light when pilot lamp 31 open mode passes to the external world through light guide column 31, be equipped with on light guide column 31 and prevent slow-witted post 35, guarantee the uniformity in light guide column 31 installation position, above-mentioned structural design is simple, the structure of its production mould has been simplified greatly, the installation is swift convenient, the manufacturing cost of product has been reduced, make the last casing outward appearance of fire detection alarm succinct more pleasing to the eye.
As shown in fig. 1 to 7, a plurality of first buckles 11 arranged at intervals are arranged on the outer side wall of the key cap 1, a through hole 12 is arranged at the center of the first buckles, a plurality of second buckles 13 arranged at intervals are arranged on the periphery of the through hole 12, first clamping holes 41 arranged in a one-to-one correspondence with the first buckles 11 are arranged in the key groove 4, and the key cap 1 is conveniently connected with the upper shell body quickly and conveniently through the matching of the first buckles 11 and the first clamping holes 41.
As shown in fig. 1 and 8, the light guide member 3 includes a light guide pillar 31 for transmitting light to the outside and a pressing protrusion 32 disposed on the light guide pillar 31, the light guide pillar 31 is disposed in the through hole 12 in a penetrating manner, the pressing protrusion 32 is disposed near the bottom end of the light guide pillar 31, the bottom end of the pressing protrusion 32 is disposed at a predetermined distance from the micro switch 22, a light guide fastening groove 33 used in cooperation with the second fastening 13 is disposed on the light guide pillar 31, that is, the light guide fastening groove 33 is used in cooperation with the second fastening 13, so that the light guide pillar 31 moves up and down along with the key cap 1, and the pressing protrusion 32 is driven to touch the micro switch 22, so that the micro switch 22 controls the indicator light 21 to be turned on.
As shown in fig. 1, 4, 5, and 6, one of the first fasteners 11 is provided with a guide groove 14, and one of the first fastening holes 41 in the key groove 4 is provided with a guide protrusion 42 used in cooperation with the guide groove 14, that is, the guide protrusion 42 and the guide groove 41 are fool-proofing measures arranged between the key cap 1 and the key groove 4, so that the consistency of the installation direction of the key cap 1 is more definite, and the key cap 1 is conveniently and quickly installed.
As shown in fig. 6 and 8, one of the second latches 13 is provided with a limiting groove 15, the light guide pillar 31 is provided with a limiting protrusion 34 used in cooperation with the limiting groove 15, the limiting protrusion 34 is located at a predetermined distance below the light guide latch groove 33, and the limiting groove 15 can limit the light guide pillar 31 in the process of moving in the outward direction.
As shown in fig. 1, the elastic reset member 6 is a key reset spring, and is configured to provide a resilient force to the key cap 1, so that the key cap 1 can be automatically reset after the key cap 1 is pressed down, and a good pressing hand feeling can be provided.
As shown in fig. 1, the number of the first buckles 11 and the number of the second buckles 13 are three, which can ensure the strength of the mounting structure between the key cap 1 and the button 6 slot 4 and between the key cap 1 and the light guide column 31, and simultaneously save the design and manufacturing cost of the structure and simplify the mold structure.
As shown in fig. 8, the light guide column 31 is further provided with a fool-proof column 35 for connecting the limiting protrusion 34 and the pressing protrusion 32, so as to play a fool-proof role in fixing the light guide column 31 and the key cap 1, and ensure the consistency of the installation direction of the light guide column 31.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a light guide button integral type structure of fire detection alarm, its locate the fire detection alarm go up the casing according to the keyway in, alarm indicating unit in the drive fire detection alarm, this alarm unit include with the interior pilot lamp and the micro-gap switch of circuit board electricity connection of fire detection alarm, its characterized in that, it includes: connect in pressing the keyway according to the key cap cooperation, press the key cap with it resets according to the elasticity that the key cap was equipped with automatic re-setting between the keyway still be connected with leaded light spare according to on the key cap, leaded light spare is followed press the synchronous lifting and reciprocating motion of key cap, leaded light spare can contact micro-gap switch after-triggering the pilot lamp is opened, leaded light spare keeps away from micro-gap switch and makes the pilot lamp closes.
2. The integrated structure of the light guide key of the fire detection alarm device according to claim 1, wherein a plurality of first fasteners are arranged on the outer side wall of the key cap at intervals, and the first fasteners are in one-to-one fit and clamping connection with first clamping holes arranged in the key grooves.
3. A light guide key integrated structure of a fire detection alarm according to claim 1, wherein the light guide member comprises a light guide pillar and pressing protrusions provided on the light guide pillar, and the pressing protrusions are provided at predetermined intervals near the micro switch.
4. The integrated structure of the light guide key of the fire detection alarm according to claim 2, wherein one of the first buckles is provided with a guide groove, and one of the first locking holes of the key grooves is provided with a guide protrusion matched with the guide groove.
5. The integrated structure of the light guide key of the fire detection alarm according to claim 3, wherein the top of the light guide pillar is inserted into a through hole formed in the center of the key cap, a plurality of second fasteners arranged at intervals are circumferentially arranged on the periphery of the through hole, and a light guide fastener groove matched with the second fasteners for use is formed in the light guide pillar.
6. A light guide button integrated structure of a fire detection alarm according to claim 5, wherein one of the second buckles is provided with a limiting groove, the light guide pillar is provided with a limiting protrusion used in cooperation with the limiting groove, and the limiting protrusion is located at a predetermined distance below the light guide buckle groove.
7. A light guide key integrated structure of a fire detection alarm according to claim 6, wherein a fool-proof post for connecting the limit protrusion and the press protrusion is further provided on the light guide post.
8. A light guide key integrated structure of a fire detection alarm according to claim 1, wherein the elastic reset member is a key reset spring.
9. A fire detection alarm characterised by comprising a light-guiding key-integrated structure of a fire detection alarm according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426340.1U CN211907289U (en) | 2020-03-27 | 2020-03-27 | Fire detection alarm and light guide key integrated structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426340.1U CN211907289U (en) | 2020-03-27 | 2020-03-27 | Fire detection alarm and light guide key integrated structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211907289U true CN211907289U (en) | 2020-11-10 |
Family
ID=73274986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020426340.1U Active CN211907289U (en) | 2020-03-27 | 2020-03-27 | Fire detection alarm and light guide key integrated structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211907289U (en) |
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2020
- 2020-03-27 CN CN202020426340.1U patent/CN211907289U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 075600 Zhuolu Zhuoxia Road Industrial Park, Zhangjiakou City, Hebei Province Patentee after: Bluebird fire Co.,Ltd. Country or region after: China Address before: 100871 2 / F, block C, Beida Qingniao building, 207 Chengfu Road, Haidian District, Beijing Patentee before: Bluebird fire Co.,Ltd. Country or region before: China |