CN109523736A - Fire protection warning PBU pushbutton unit - Google Patents
Fire protection warning PBU pushbutton unit Download PDFInfo
- Publication number
- CN109523736A CN109523736A CN201811447428.5A CN201811447428A CN109523736A CN 109523736 A CN109523736 A CN 109523736A CN 201811447428 A CN201811447428 A CN 201811447428A CN 109523736 A CN109523736 A CN 109523736A
- Authority
- CN
- China
- Prior art keywords
- cavity
- partition
- cover glass
- fire protection
- protection warning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of fire protection warning PBU pushbutton units, it include: rectangular box body and setting in the intracorporal alarm button of box, the front surface of box body is provided with cover glass, partition is provided in the box body, the inner cavity of box body is divided into the first cavity and the second cavity by the partition, the outer end face of the partition is contacted with the inner surface of cover glass, and the alarm button is arranged in first cavity.The fire protection warning PBU pushbutton unit of above structure, when breaking cover glass into pieces will not faiture alarm button, improve the safety that fire protection warning button uses, and easy to use.
Description
Technical field
The present invention relates to fire-fighting equipment fields, and in particular to a kind of fire protection warning PBU pushbutton unit.
Background technique
Fire protection warning button, is also manual fire alarm call point, is generally located at the entrance of public place, works as generation
When emergency, Field Force presses fire protection warning button, can issue fire alarm signal to controller, controller receives report
After alert signal, shows the number of alarm button or position and issue alarm sound.Fire protection warning button belongs to emergency service, is
It prevents it to be touched in non-emergency situation, is usually arranged in a box body in alarm button, glass is arranged in the surface of box body
Cover plate can see alarm button but cannot directly touch, and when an emergency happens, need to break into pieces cover glass, ability
Start alarm button.
It finds in use, break the design of glass alarm into pieces, cover glass is located at the front of alarm button, urgent feelings
When breaking cover glass into pieces under condition, if overexerting possible faiture alarm button, alarm is caused to be failed, bring safety for fire alarm
Hidden danger.
Summary of the invention
In view of the above-mentioned problems, the present invention is directed to propose it is a kind of will not faiture alarm button fire protection warning PBU pushbutton unit, mention
The safety that high fire protection warning button uses.
To reach above-mentioned technical effect, the technical solution adopted by the present invention is that:
A kind of fire protection warning PBU pushbutton unit, comprising: rectangular box body and setting is before the intracorporal alarm button of box, box body
Surface is provided with cover glass, is provided with partition in the box body, the partition by the inner cavity of box body be divided into the first cavity and
Second cavity, the outer end face of the partition are contacted with the inner surface of cover glass, and the alarm button is arranged in first chamber
In vivo.
Box body is divided into two cavitys by partition, for a cavity for accommodating alarm button, another cavity is vacant,
And cover glass integral cap overlays on two cavitys, in turn, when needing to break cover glass into pieces, taps on the second vacant cavity
Side, the glass breaking of side, entire cover glass will fall off, and expose the intracorporal alarm button of box, carry out to press
The case where alarm, percussion process will not influence alarm button part, avoid the occurrence of faiture alarm button, structure is simple, and can have
Effect improves the safety that fire protection warning button uses, easy to use.
Further, the side of the separate partition of first cavity is provided with cover plate installing mechanism, the cover plate installation
Mechanism includes: fixed frid, tension spring and limited post, and the side of the fixed frid is provided with the card slot of perforation, the card slot
Opening width is adapted to the thickness of cover glass, and one end of the tension spring is fixed on the one side backwards to card slot of fixed frid, is drawn
The other end of spring is fixed on the position of the separate partition side of the first cavity bottom, the limited post be parallel to box body far from every
The side wall of plate is arranged, and the upper limb of limited post is concordant with the end of partition；The side wall outer end of the separate partition of second cavity
It is provided with telescopic buckle, the end far from the cover plate installing mechanism of cover glass can be released or be blocked to the telescopic buckle.
By the way that cover plate installing mechanism is arranged, it may be convenient to installation and replacement cover glass: there is no cover glass or glass
Glass cover plate is broken fall off after, tension spring, which is shunk, pulls fixed frid to be retracted into box body bottom, and the card slot of fixed frid is outwardly；Installation
When cover glass, one end is inserted into card slot, is tilted fixed frid using limited post as fulcrum, until cover glass is another
End, which clamps, to be fixed in telescopic buckle.Clamping of the both ends of cover glass respectively by the tension spring pulling force provided and telescopic buckle is solid
Fixed, structure is simple, fixed reliable, and after cover glass is broken into pieces, cover plate installing mechanism automatically resets, cover glass replacement side
Just.
Further, the telescopic buckle includes: block tongue and fixing bolt；The side wall of the separate partition of second cavity
On offer bayonet, the lower edge of the bayonet is equal to the thickness of cover glass to the vertical distance of divider ends, with the bayonet
The side wall ends of corresponding second cavity are provided with threaded hole, and the threaded hole passes through the bayonet；The block tongue is slidable
It is inserted into the bayonet, is provided with fixation hole on the position corresponding to the threaded hole of block tongue；The fixing bolt passes through
The fixation hole of the block tongue is screwed in the threaded hole, and the intracorporal one end of the second chamber that is located at of block tongue is made to protrude from the second cavity
Side wall.
Telescopic buckle is arranged to the structure that block tongue is fixed the purely mechanic cooperation of bolt, it is solid and reliable, and structure is simple,
When replacing cover glass, dismantles fixing bolt and block tongue is retracted into bayonet, depress cover glass later, block tongue is stretched out again
And load onto fixing bolt, it is easy to operate, and it is motionless can not be opened with when tool, avoid idler from arbitrarily destroying alarm button,
Convenient, safety.
Further, the end of the side wall of the separate partition of first cavity is provided with the gear edge to extend internally.
By gear along cover plate installing mechanism lid is covered, avoids passing through and destroys cover plate installing mechanism and open cover glass,
Further increase the safety and service life of entire fire protection warning PBU pushbutton unit.
Further, the position of the close partition of first cavity is provided with top-pushing mechanism, and the top-pushing mechanism includes:
Push rod, fixing pipe and spring, the fixing pipe is arranged in the position of the close partition of the first cavity bottom and extends outwardly, described
In the slidable lumen for being inserted into the fixing pipe of push rod, the outer end of push rod is projected into except fixing pipe and has and radially extends
Flange, the spring is set on the push rod between fixing pipe end and flange.
It is to provide outer top power in the middle part of cover glass by top-pushing mechanism, to form cover glass both ends internal pressure, middle part
The force structure on outer top guarantees the fixed stability of cover glass.Meanwhile after the cover glass of the second cavity side is broken,
Remaining cover glass can be ejected by top-pushing mechanism, to realize the Automatic-falling of cover glass, avoid manually taking out broken
Glass covering and there is accidental injury, using more conveniently, safely.
Further, the outer surface adherency of the cover glass is provided with adhesive tape.
Layer of transparent adhesive tape is adhered in the outer surface of cover glass, does not influence the attribute of cover glass itself, and can be in glass
Glass clings fragment when broken, to prevent fragment from splashing, improves safety when breaking cover glass into pieces.
Further, orifice is arranged in the outer end face of the partition.
By the way that orifice is arranged on partition end face, when tapping the cover glass on the outside of the second cavity in cover glass
Portion forms shearing, easily facilitates the broken of cover glass.
Further, indentation is provided on the inner surface opposite with partition of the cover glass.
Indentation is set in cover glass, is pressed when tapping by indentation position of the partition to cover glass, Jin Erke
So that cover glass is broken from indentation, achieve the effect that broken glass cover plate, and can be reduced the generation of glass fragment again, uses
It is safer.
Further, the cover glass on the outside of first cavity is opaque.
Cover glass on the outside of first cavity is arranged to opaque form, to cannot be directly viewed the alarm in it
Button avoids user from directly tapping the cover glass outside the first cavity because of the guidance of vision inertia, further places and smashes
Faiture alarm button when cover glass.
In conclusion fire protection warning PBU pushbutton unit provided by the invention, when breaking cover glass into pieces will not faiture alarm button,
The safety that fire protection warning button uses is improved, and easy to use.
Detailed description of the invention
Fig. 1 is the positive structure diagram of the embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of the cover glass lid conjunction state of A section in Fig. 1；
Fig. 3 is the structure enlargement diagram in the portion B in Fig. 2；
Fig. 4 is the structure enlargement diagram in the portion C in Fig. 2；
Fig. 5 is the structure enlargement diagram in the portion D in Fig. 2；
Fig. 6 is the schematic cross-sectional view of the cover glass replacement process of A section in Fig. 1；
Fig. 7 is the structure enlargement diagram in the portion E in Fig. 6；
Appended drawing reference: 1- box body, the first cavity of 11-, the second cavity of 12-, 13- bayonet, 14- threaded hole, 15- keep off edge, 2-
Alarm button, 3- cover glass, 31- adhesive tape, 32- indentation, 4- partition, 41- orifice, 5- cover plate installing mechanism, 51- are fixed
Frid, 511- card slot, 52- tension spring, 53- limited post, 6- telescopic buckle, 61- block tongue, 611- fixation hole, 62- fixing bolt, 7-
Top-pushing mechanism, 71- push rod, 711- flange, 72- fixing pipe, 73- spring.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.In the description of the present patent application, it is to be understood that term "inner", "outside", "front", "rear", "upper", "lower" etc., instruction
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the component of indication or suggestion meaning or structure must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As shown in Figures 1 to 7, fire protection warning PBU pushbutton unit provided in this embodiment, main structure and conventional fire-fighting
Alarm button is similar, is alarm button 2 to be arranged in a rectangular box body 1, and cover glass 3 is arranged in the surface of box body 2, makes
Others cannot directly touch alarm button 2, when an emergency happens, need to break into pieces cover glass 3, could start alarm and press
Button 2.To prevent the alarm button 2 damaged in it when breaking cover glass 3 into pieces, in the present embodiment, partition is provided in box body 1
4, the inner cavity of box body 1 is divided into the first cavity 11 and the second cavity 12 by partition 4, and the outer end face of partition 4 is interior with cover glass 3
Surface contact, alarm button 2 are arranged in the first cavity 11.3 integral cap of cover glass is overlayed on the cavity of two segmentations, into
And when needing to break cover glass 3 into pieces, tap vacant 12 top of the second cavity, the glass breaking of side, entire glass
Cover plate 3 will fall off, expose box body 1 in alarm button 2, alarm to press, percussion process will not influence alarm by
This part of button 2, the case where avoiding the occurrence of faiture alarm button 2, structure is simple, and can effectively improve fire protection warning button 2 and make
Safety, it is easy to use.
In the present embodiment, the cover glass 3 of 11 exterior portion of the first cavity is arranged to it is opaque, thus can not be direct
See the alarm button 2 in it, user is avoided directly to tap the glass cover outside the first cavity 11 because of the guidance of vision inertia
Piece 3, faiture alarm button 2 when further placing shattered glass cover plate 3.It similarly, can also be in the glass in 12 outside of the second cavity
Beating point Warning Mark is set on cover plate 3, further clarifies beating position, it is ensured that the accuracy of percussion.
As shown in Fig. 2, the present embodiment is set in the outer end face of partition 4 to keep smashing for cover glass 3 more easily and convenient
Orifice 41 is set, thus when tapping the cover glass 3 in 12 outside of the second cavity, by being resisted against the sharp of 3 inner surface of cover glass
Mouth 41 forms shearing to the middle part of cover glass 3, easily facilitates the broken of cover glass 3.Can also cover glass 3 with
It is provided with indentation 32 on the opposite inner surface of partition 4, thus when tapping by partition 4 to 32 position of indentation of cover glass 3
It is pressed, and then cover glass 3 can be made to be broken from indentation 32, achieve the effect that broken glass cover plate 3, and can be reduced again
The generation of glass fragment, use are safer.Certainly, orifice 41 and indentation 32 can be arranged or be separately provided simultaneously,
It can arrive to above-mentioned effect.
Meanwhile the present embodiment does not influence glass cover also in the outer surface of cover glass 3 adherency setting layer of transparent adhesive tape 31
The attribute of piece 3 itself, and fragment can be clung in glass breaking, to prevent fragment from splashing, improve when breaking cover glass 3 into pieces
Safety.
As shown in Figure 2 and Figure 6, the present embodiment is provided with top-pushing mechanism 7 in the position of the close partition 4 of the first cavity 11.
Specifically, referring to fig. 2, top-pushing mechanism 7 includes: push rod 71, fixing pipe 72 and spring 73, fixing pipe 72 is arranged in the first cavity 11
The position of the close partition 4 of bottom simultaneously extends outwardly, in the slidable lumen for being inserted into fixing pipe 72 of push rod 71, push rod 71
Outer end is projected into except fixing pipe 72 and has the flange 711 radially extended, and spring 73 is set in 72 end of fixing pipe and flange
On push rod 71 between 711.To be by top-pushing mechanism 7 when cover glass 3 is completely mounted on the front surface of box body 1
The middle part of cover glass 3 provide it is outer push up power, thus the force structure for forming 3 both ends internal pressure of cover glass, pushing up outside middle part, guarantee glass
The fixed stability of glass cover plate 3.Meanwhile after the cover glass 3 of 12 side of the second cavity is broken, one end of cover glass 3 is lost
Restraining force is gone, the push rod 71 of top-pushing mechanism 7 stretches out under the elastic force effect of spring 73, by remaining cover glass 3 out of box body 1
Ejection, to realize the Automatic-falling of cover glass 3, avoids manually taking out broken glass covering and accidental injury occur, make
With more conveniently, safely.
Because cover glass 3 is every time using can all be crushed, replacement cover glass 3 frequently is needed, for convenient for cover glass 3
Replacement, the present embodiment are provided with cover plate installing mechanism 5 in the side of the separate partition 4 of the first cavity 11.Referring to fig. 4, cover plate is pacified
Mounting mechanism 5 includes: fixed frid 51, tension spring 52 and limited post 53, and the side of fixed frid 51 is provided with the card slot 511 of perforation,
The opening width of card slot 511 is adapted to the thickness of cover glass 3, and one end of tension spring 52 is fixed on the card slot backwards of fixed frid 51
511 one side, the other end of tension spring 52 are fixed on the position of 4 side of separate partition of 11 bottom of the first cavity, and limited post 53 is flat
Row is in the side wall setting of the separate partition 4 of box body 1, and the upper limb of limited post 53 is concordant with the end of partition 4；Second cavity 12
Side wall outer end far from partition 4 is provided with telescopic buckle 6, and the separate cover plate peace of cover glass 3 can be released or be blocked to telescopic buckle 6
The end of mounting mechanism 5.
Referring to Fig. 5, the telescopic buckle 6 in the present embodiment includes: block tongue 61 and fixing bolt 62；Second cavity 12 it is separate
Bayonet 13 is offered on the side wall of partition 4, the lower edge of bayonet 13 is equal to the thickness of cover glass 3 to the vertical distance of 4 end of partition
Degree, the side wall ends of second cavity 12 corresponding with bayonet 13 are provided with threaded hole 14, and threaded hole 14 passes through bayonet 13；Block tongue 61
It is slidably inserted into bayonet 13, is provided with fixation hole 611 on the position corresponding with threaded hole 14 of block tongue 61；Fixing bolt
62 fixation holes 611 for passing through block tongue 61 are screwed in threaded hole 14, make one end protrusion of block tongue 61 being located in the second cavity 12
In the side wall of the second cavity 12.
Referring to Fig. 6 and Fig. 7, after no cover glass 3 or cover glass 3 are crushed and fall off, tension spring 52, which is shunk, to be pulled admittedly
Determine frid 51 and be retracted into 1 bottom of box body, and the card slot 511 of fixed frid 51 is outwardly, installs cover glass 3 at this time, it only need to be by glass
It is that fulcrum tilts fixed frid 51 with limited post 53, until cover glass 3 is another in one end insertion card slot 511 of glass cover plate 3
One end, which clamps, to be fixed in telescopic buckle 6, as shown in Fig. 2, the both ends of cover glass 3 pass through the drawing that tension spring 52 provides respectively
The clamping of power and telescopic buckle 6 is fixed, and structure is simple, fixed reliable.Telescopic buckle 6 is the pure machine that block tongue 61 is fixed bolt 62
The structure of tool cooperation, it is solid and reliable, and structure is simple, when being caught in cover glass 3, dismantles fixing bolt 62 in advance and block tongue 61 contracts
It enters in bayonet 13, depresses cover glass 3 later, block tongue 61 is stretched out to the end for pushing down cover glass 3 again, load onto later solid
Determine bolt 62, it is easy to operate, and it is motionless can not be opened with when tool, avoid idler from arbitrarily destroying alarm button 2, it is convenient,
Safety.And after cover glass 3 is broken into pieces, cover plate installing mechanism 5 automatically resets, and repeats aforementioned operation, and cover glass 3 is replaced
It is convenient.
Meanwhile the present embodiment is provided with the gear edge to extend internally in the end of the side wall of the separate partition 4 of the first cavity 11
15, cover plate installing mechanism 5 will be covered and be covered, and avoided passing through and destroy cover plate installing mechanism 5 and open cover glass 3, further
Improve the safety and service life of entire 2 device of fire protection warning button.
In conclusion fire protection warning PBU pushbutton unit by adopting the above technical scheme, will not damage report when breaking cover glass 3 into pieces
Alert button 2 improves the safety that fire protection warning button 2 uses, and easy to use.
It should be noted that preferred embodiment above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
Can modify to technical solution documented by previous embodiment, or some or all of the technical features are carried out etc.
With replacement；And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
Range should all cover within the scope of the claims and the description of the invention.
Claims (9)
1. a kind of fire protection warning PBU pushbutton unit, comprising: rectangular box body and setting is in the intracorporal alarm button of box, the preceding table of box body
Face is provided with cover glass, which is characterized in that
Be provided with partition in the box body, the inner cavity of box body is divided into the first cavity and the second cavity by the partition, it is described every
The outer end face of plate is contacted with the inner surface of cover glass, and the alarm button is arranged in first cavity.
2. fire protection warning PBU pushbutton unit according to claim 1, which is characterized in that
The side of the separate partition of first cavity is provided with cover plate installing mechanism, and the cover plate installing mechanism includes: fixation
Frid, tension spring and limited post, the side of the fixed frid are provided with the card slot of perforation, the opening width and glass of the card slot
The thickness of cover plate is adapted to, and one end of the tension spring is fixed on the one side backwards to card slot of fixed frid, and the other end of tension spring is fixed
In the position of the separate partition side of the first cavity bottom, the limited post is parallel to the side wall setting of the separate partition of box body,
And the upper limb of limited post is concordant with the end of partition；
The side wall outer end of the separate partition of second cavity is provided with telescopic buckle, and glass can be released or be blocked to the telescopic buckle
The end far from the cover plate installing mechanism of glass cover plate.
3. fire protection warning PBU pushbutton unit according to claim 2, which is characterized in that
The telescopic buckle includes: block tongue and fixing bolt；Bayonet is offered on the side wall of the separate partition of second cavity,
The lower edge of the bayonet is equal to the thickness of cover glass, the second cavity corresponding with the bayonet to the vertical distance of divider ends
Side wall ends be provided with threaded hole, the threaded hole passes through the bayonet；The block tongue is slidably inserted into the bayonet
It is interior, fixation hole is provided on the position corresponding to the threaded hole of block tongue；The fixing bolt passes through the fixation of the block tongue
Hole is screwed in the threaded hole, makes the side wall for being located at the intracorporal one end of the second chamber and protruding from the second cavity of block tongue.
4. fire protection warning PBU pushbutton unit according to claim 2, which is characterized in that
The end of the side wall of the separate partition of first cavity is provided with the gear edge to extend internally.
5. fire protection warning PBU pushbutton unit according to claim 1-4, which is characterized in that
The position of the close partition of first cavity is provided with top-pushing mechanism, the top-pushing mechanism include: push rod, fixing pipe and
Spring, the fixing pipe are arranged in the position of the close partition of the first cavity bottom and extend outwardly, and the push rod is slidable
It is inserted into the lumen of the fixing pipe, the outer end of push rod is projected into except fixing pipe and has the flange radially extended, described
Spring is set on the push rod between fixing pipe end and flange.
6. fire protection warning PBU pushbutton unit according to claim 1-4, which is characterized in that
The outer surface adherency of the cover glass is provided with adhesive tape.
7. fire protection warning PBU pushbutton unit according to claim 1-4, which is characterized in that
Orifice is arranged in the outer end face of the partition.
8. fire protection warning PBU pushbutton unit according to claim 1-4, which is characterized in that
Indentation is provided on the inner surface opposite with partition of the cover glass.
9. fire protection warning PBU pushbutton unit according to claim 1-4, which is characterized in that
Cover glass on the outside of first cavity is opaque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447428.5A CN109523736B (en) | 2018-11-29 | 2018-11-29 | Fire alarm button device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447428.5A CN109523736B (en) | 2018-11-29 | 2018-11-29 | Fire alarm button device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109523736A true CN109523736A (en) | 2019-03-26 |
| CN109523736B CN109523736B (en) | 2020-10-27 |
Family
ID=65793778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811447428.5A Expired - Fee Related CN109523736B (en) | 2018-11-29 | 2018-11-29 | Fire alarm button device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109523736B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114429878A (en) * | 2021-12-22 | 2022-05-03 | 江苏吉野电气有限公司 | High security surface mounting formula fire control switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0592926A1 (en) * | 1992-10-13 | 1994-04-20 | Siemens Aktiengesellschaft | Hand hazard warning device |
| CN202940149U (en) * | 2012-11-14 | 2013-05-15 | 郎六琪 | Emergency switch protective device |
| CN205451429U (en) * | 2015-12-31 | 2016-08-10 | 上海金盾消防智能科技有限公司 | Manual fire alarm call point |
| CN206219030U (en) * | 2016-12-07 | 2017-06-06 | 波士顿电梯（湖州）有限公司 | A kind of danger button for safety automation staircase |
| CN108336668A (en) * | 2018-04-03 | 2018-07-27 | 湖州嘉和电脑技术服务有限公司 | A kind of concealed distribution box of family's false-touch prevention |
-
2018
- 2018-11-29 CN CN201811447428.5A patent/CN109523736B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0592926A1 (en) * | 1992-10-13 | 1994-04-20 | Siemens Aktiengesellschaft | Hand hazard warning device |
| CN202940149U (en) * | 2012-11-14 | 2013-05-15 | 郎六琪 | Emergency switch protective device |
| CN205451429U (en) * | 2015-12-31 | 2016-08-10 | 上海金盾消防智能科技有限公司 | Manual fire alarm call point |
| CN206219030U (en) * | 2016-12-07 | 2017-06-06 | 波士顿电梯（湖州）有限公司 | A kind of danger button for safety automation staircase |
| CN108336668A (en) * | 2018-04-03 | 2018-07-27 | 湖州嘉和电脑技术服务有限公司 | A kind of concealed distribution box of family's false-touch prevention |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114429878A (en) * | 2021-12-22 | 2022-05-03 | 江苏吉野电气有限公司 | High security surface mounting formula fire control switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109523736B (en) | 2020-10-27 |
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