CN108612426B - A kind of concealed closing device for door and window - Google Patents
A kind of concealed closing device for door and window Download PDFInfo
- Publication number
- CN108612426B CN108612426B CN201810240318.5A CN201810240318A CN108612426B CN 108612426 B CN108612426 B CN 108612426B CN 201810240318 A CN201810240318 A CN 201810240318A CN 108612426 B CN108612426 B CN 108612426B
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- connecting portion
- portion part
- torque
- release
- spring
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 14
- 239000004579 marble Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 9
- 238000013016 damping Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of concealed closing device for door and window, for security against fire engineering device technique field, including first connecting portion part, second connecting portion part, torque accumulator and the drive seat being located on torque accumulator, first connecting portion part is connect by shaft with second connecting portion part, drive seat is equipped with the unidirectional detent that can fill energy for torque accumulator with first connecting portion part cooperation, second connecting portion part is equipped with locating piece, drive seat is equipped with the locking detent for cooperating and locking drive seat with locating piece after torque accumulator fills energy, it further include the relieving mechanism that locating piece release locking detent can be driven after fire occurs.Structure of the invention is lighter and handier, and occupancy fire resistant doorsets/window space is small, reduces for the design of existing doors and windows, manufacture, the limitation of assembling bring and influences；Meanwhile fire resistant doorsets/window can be opened to unspecified angle state, this brings many conveniences for fire resistant doorsets/window of different weather condition, different skyscrapers.
Description
Technical field
The present invention is used for security against fire engineering device technique field, more particularly to a kind of concealed closing device for door and window.
Background technique
Currently, existing door closer includes often closing door closer and normally opened door closer, often closes door closer and be mostly installed at throughout the year
On the fire resistant doorsets of closing, fire resistant doorsets are kept to be in close state at any time, high fire is spread by fire resistant doorsets when preventing fire from occurring, this
Kind door closer is practical on the little fire resistant doorsets of stream of people's throughput；But the public building bigger in the stream of people or logistics
In, this door closer is often unable to reach real requirement, and since the stream of people or logistics need to travel frequently over fire resistant doorsets, people need big
It measures time and physical strength and opens fire resistant doorsets, the convenience that strong influence people walk, if be fixed on out fire resistant doorsets with tool
Opening state cannot close, fire will pass quickly through fire resistant doorsets to surrounding in time since fire resistant doorsets are in the open state when fire occurs
Sprawling, it is very harmful to the life and property of people.
Normally opened door closer is similar with the normal function of closing door that closes, and still, fire resistant doorsets can be kept to be in normally open, work as fire
When calamity occurs, normally opened door closer triggers and closes fire resistant doorsets, prevents fire high fire from spreading by fire resistant doorsets, this door closer is in people
It is practical on the excessive big fire resistant doorsets of circulation；But structure is complicated for existing normally opened door closer, occupies fire resistant doorsets/window
Space is larger, brings inconvenience and limitation for the design of product fire resistant doorsets/window, manufacture, assembling.Moreover, existing
Normally opened door closer all has locking fire resistant doorsets/window function after fire resistant doorsets/window turns to special angle, releases after fire occurs
It puts fire resistant doorsets/window and closes fire resistant doorsets/window, fire resistant doorsets/window cannot be opened to unspecified angle state, this is for different weather
Condition, different skyscraper fire resistant doorsets/window bring it is many inconvenient for use.
Summary of the invention
The purpose of the present invention is to provide a kind of concealed closing device for door and window, and structure is lighter and handier, and occupancy fire resistant doorsets/
The space of window is small, reduce for the design of existing doors and windows, manufacture, assembling bring limitation and influence, meanwhile, can will
Fire resistant doorsets/window is opened to unspecified angle state, this brings fire resistant doorsets/window of different weather condition, different skyscrapers
Many conveniences.
The technical solution adopted by the present invention to solve the technical problems is: a kind of concealed closing device for door and window, including the
It one connecting component, second connecting portion part, the torque accumulator being located on the second connecting portion part and is located at the torque and stores
Can drive seat on device, described first connecting portion part connect by shaft with second connecting portion part, and drive seat is equipped with can be with the
One connecting component cooperates to fill the unidirectional detent of energy for torque accumulator, and the second connecting portion part is equipped with locating piece, described
Drive seat is equipped with the locking detent for cooperating and locking drive seat with locating piece after torque accumulator fills energy, further includes occurring
The relieving mechanism of locating piece release locking detent can be driven after fire.
It is further used as the improvement of technical solution of the present invention, and the relieving mechanism includes fire detection component and in fire
The release driving mechanism of driving locating piece release locking detent when detection part detects generation fire.
It is further used as the improvement of technical solution of the present invention, and the fire detection component includes temperature control glass marble, described fixed
Position part is hinged on second connecting portion part, and the locating piece has the registration arm that can be rotated around hinge joint, is set in the registration arm
Having can include that the release of positioning arm swing can be driven to push away with the locating groove of the locking clamping matching, the release driving mechanism
Bar and the release spring that can drive release putter action, the release push rod pass through temperature control glass after so that release spring is generated deformation
The limit of glass ball.
It is further used as the improvement of technical solution of the present invention, and the second connecting portion part is equipped with the first mounting base and second
Mounting base, the release push rod are set in the first mounting base, and the proximal end for discharging push rod is equipped with the registration arm cooperated with registration arm
Detent, first mounting base is equipped in the side close to registration arm to be cooperated with registration arm so that locking detent is embedded in locating groove
Interior reset spring, the first mounting base are equipped with release spring in the side of remotely located arm, and the distal end of the release push rod is equipped with
The spring detent of release spring is resisted, the temperature control glass marble is mounted between the second mounting base and spring detent.
It is further used as the improvement of technical solution of the present invention, and the reset spring and release spring are sleeved on release push rod
On, second mounting base is equipped with the through-hole passed through for release push rod distal end.
It is further used as the improvement of technical solution of the present invention, and the locking detent includes being mounted in drive seat by roller bearing
Roller, the unidirectional detent includes the pin being located in drive seat, and described first connecting portion part is equipped with and the pin in drive seat
The bayonet of cooperation.
It is further used as the improvement of technical solution of the present invention, and the torque accumulator includes being located on second connecting portion part
Elastic torque storehouse and the torque spring being located in elastic torque storehouse, one end of the torque spring are connect with elastic torque storehouse, separately
One end is connect with drive seat.
It is further used as the improvement of technical solution of the present invention, is equipped with and is placed through in torque spring in the elastic torque storehouse
Elastic force setting axis.
It is further used as the improvement of technical solution of the present invention, further includes torque accumulator seat, and the elastic torque storehouse is removable
That unloads is located between second connecting portion part and torque accumulator seat, sets on the second connecting portion part and/or torque accumulator seat
There is limit salient point, the elastic torque storehouse is equipped with can be recessed with the limit of the limit salient point cooperation under torque spring effect
Slot.
It is further used as the improvement of technical solution of the present invention, and the drive seat can be connect equipped with several with torque spring
Torsion adjustment hole, between described first connecting portion part and drive seat be equipped with unidirectional slip teeth.
Beneficial effects of the present invention: the present invention passes through first connecting portion part, second connecting portion part and door/window frame, door/sash
Connection before factory, drives drive seat rotation by the effect of first connecting portion part and unidirectional detent, until locating piece locking driving
Seat, that realizes torque accumulator fills energy, and since the torque of torque accumulator is lockked by locating piece, Gu Men/sash expansible is taken office
One angle simultaneously stops, and does not have to overcome filling for torque accumulator can resistance in opening process.After fire occurs, machine for releasing
Structure drives locating piece release locking detent, and torque accumulator discharges torque, real by means of first connecting portion part, second connecting portion part
The closing of existing door/sash, prevents fire spread.Structure of the invention is lighter and handier, and occupancy fire resistant doorsets/window space is small, reduction pair
In the design of existing doors and windows, manufacture, the limitation of assembling bring and influence；Meanwhile fire resistant doorsets/window can be opened to appoint
One angle state, this brings many conveniences for fire resistant doorsets/window of different weather condition, different skyscrapers.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is structure top view of the embodiment of the present invention；
Fig. 2 is structural front view of the embodiment of the present invention；
Fig. 3 is structure top view after locating piece of embodiment of the present invention release locking detent；
Fig. 4 is second connecting portion part top view of the embodiment of the present invention.
Specific embodiment
Referring to figs. 1 to Fig. 4, that show the specific structures of the preferred embodiments of the invention.It will be detailed below this
Invent the design feature of each component.
The present invention provides a kind of concealed closing device for door and window, it is mainly used in door, window, including first connecting portion part 1,
It second connecting portion part 2, the torque accumulator 3 being located on the second connecting portion part 2 and is located on the torque accumulator 3
Drive seat 4, described first connecting portion part 1 are connect by shaft with second connecting portion part 2, and drive seat 4, which is equipped with, to be connected with first
Relay part 1 cooperates to fill the unidirectional detent 41 of energy for torque accumulator 3, and the second connecting portion part 2 is equipped with locating piece 5, institute
It states drive seat 4 and is equipped with the locking detent 42 for cooperating and locking drive seat 4 with locating piece 5 after torque accumulator 3 fills energy, also wrap
Include the relieving mechanism that the release locking detent 42 of locating piece 5 can be driven after fire occurs.
It being connect with first connecting portion part 1 with door/window frame, second connecting portion part 2 is illustrated for connecting with door/sash,
But the present invention is not limited thereto, and described first connecting portion part 1 is equipped with link slot 12 and/or damping slide block 13, and link slot 12 is used
It is connect in no wind resistance with door/window frame, such as Nei Kai or calm occasion；Damping slide block 13 is connect for wind resistance with door/window frame,
Such as external-open or having wind field conjunction, the damping slide block 13 is mounted in first connecting portion part 1 by damping regulating part, and damping is adjusted
Part includes manually adjusting nut 14 and elastic slice 15, and adjusting manually adjusts nut 14 and the elastic force of elastic slice 15 can be changed, to change resistance
The rotary resistance of Buddhist nun's sliding block 13, damping slide block 13 can pass through along door/window frame guide groove sliding, the rotary resistance of damping slide block 13
Nut 14 and elastic slice 15 are manually adjusted to be adjusted.The second connecting portion part 2 is equipped with mounting hole 23 and/or connected structure
20, when selecting connected structure 20 to connect with door/sash, door/sash profile cavity directly can be packed by connected structure 20
In, without doing any processing.The present invention is connected by first connecting portion part 1, second connecting portion part 2 and door/window frame, door/sash
It connects, before factory, drives drive seat 4 to rotate by the effect of first connecting portion part 1 and unidirectional detent 41, until locating piece 5 locks
Drive seat 4, that realizes torque accumulator 3 fills energy, and since the torque of torque accumulator 3 is lockked by locating piece 5, Gu Men/sash can
It opens up into unspecified angle and stops, and do not have to overcome filling for torque accumulator 3 can resistance in opening process.When generation fire
Afterwards, relieving mechanism driving locating piece 5 release locking detent 42, torque accumulator 3 discharge torque, by means of first connecting portion part 1,
Second connecting portion part 2 realizes the closing of door/sash, prevents fire spread.Structure of the invention is lighter and handier, occupies fire resistant doorsets/window
Space it is small, reduce for the design of existing doors and windows, manufacture, assembling bring limitation and influence；Meanwhile it can will prevent
Vent/window is opened to unspecified angle state, this brings fire resistant doorsets/window of different weather condition, different skyscrapers all
It is mostly convenient.
Wherein, the relieving mechanism includes fire detection component and the drive when fire detection component detects generation fire
The release driving mechanism of the dynamic release of locating piece 5 locking detent 42.
The automatically controlled mode of sensor, control unit can be used in fire detection component, preferably, the fire detection component
Including temperature control glass marble 6, temperature control glass marble 6 can be burst at a certain temperature, and the temperature that bursts of temperature control glass marble 6 can be according to reality
Border use condition flexible choice, the locating piece 5 are hinged on second connecting portion part 2, and the locating piece 5 has can be around hinge joint
The registration arm of rotation, the registration arm are equipped with the locating groove that can cooperate with the locking detent 42, the release driving machine
Structure includes the release spring 72 that can be driven the release push rod 71 of positioning arm swing and release push rod 71 can be driven to act, described to release
Put push rod 71 make release spring 72 generate deformation after by temperature control glass marble 6 limit.After fire occurs, temperature control glass marble 6 is fried
It splits, release spring 72 restores to the original state and discharges elastic force, and driving release push rod 71 moves, and release push rod 71 drives registration arm around hinged
Point rotation, to make to lock detent 42 and locating groove disengaging, torque accumulator 3 discharges torque to drive first connecting portion part
1, second connecting portion part 2 is closed, and is finally realized the closing of door/sash, is prevented fire spread.
The second connecting portion part 2 is equipped with the first mounting base 21 and the second mounting base 22, the first mounting base 21 and second
Mounting base 22 is installed on second connecting portion part 2 after can forming or form directly on second connecting portion part 2, the release push rod
71 are set in the first mounting base 21, and the proximal end of release push rod 71 is equipped with the registration arm detent 70 cooperated with registration arm, are used for
Occur to pull registration arm when fire, first mounting base 21 is equipped in the side close to registration arm to be cooperated with registration arm so as to lock
Determine the reset spring 73 that detent 42 is embedded in locating groove, i.e., before factory, when progress torque accumulator 3 fills energy, facilitates locking
Detent 42 be embedded in locating groove in, in addition, pressing registration arm and reset spring 73 can make registration arm with locking detent separate thus
Carry out manual test.Preferably, the coefficient of elasticity of reset spring 73 is less than the coefficient of elasticity of release spring 72.First mounting base
21 are equipped with release spring 72 in the side of remotely located arm, and the distal end of the release push rod 71, which is equipped with, resists release spring 72
Spring detent 74, the temperature control glass marble 6 are mounted between the second mounting base 22 and spring detent 74.Temperature control glass marble 6 is burst
Afterwards, release spring 72 restores to the original state and discharges elastic force, and driving release push rod 71 moves.
For position reset spring 73 and release spring 72, the reset spring 73 and release spring 72 are sleeved on release
On push rod, while in order to guide release push rod 71, second mounting base 22 is equipped with leads to for what release 71 distal end of push rod passed through
Hole.
Positioning column, positioning roller etc. can be used in locking detent 42, preferably, the locking detent 42 includes passing through roller bearing
The roller being mounted in drive seat 4, to reduce resistance.The unidirectional detent 41 includes the pin that is located in drive seat 4, and described first
Connecting component 1 is equipped with the bayonet 11 with the pin cooperation in drive seat 4.
Wherein, torque accumulator 3 is for storing and output torque, preferably, the torque accumulator 3 includes being located at the
Elastic torque storehouse 31 in two connecting components 2 and the torque spring being located in elastic torque storehouse 31, one end of the torque spring
It is connect with elastic torque storehouse 31, the other end is connect with drive seat 4.Torsion is placed through moreover, being equipped in the elastic torque storehouse 31
Elastic force setting axis 32 in spring.
In addition, further including torque accumulator seat 33 to preferably fix elastic torque storehouse 31, on torque accumulator seat 33
Equipped with connecting hole, the elastic torque storehouse 31 is removably located between second connecting portion part 2 and torque accumulator seat 33, described
Second connecting portion part 2 and/or torque accumulator seat 33 are equipped with limit salient point, and the elastic torque storehouse 31 is equipped with can be in torsion
The lower limiting groove with the limit salient point cooperation of spring effect, limits salient point under the action of torque spring and limiting groove can
Realize automatically lock.
In addition, the drive seat 4 is equipped with several torsion adjustment holes that can be connect with torque spring, selection can be passed through
Torque spring is packed into specific torsion adjustment hole, to select the initial angle of torque spring, to adjust the initial of torque spring
Torque.Unidirectional slip teeth 40 is equipped between described first connecting portion part 1 and drive seat 4, unidirectional slip teeth 40 may be provided at the first connection
On component 1 and/or drive seat 4, the antiwind resistance ability of whole device is improved.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of concealed closing device for door and window, it is characterised in that: including first connecting portion part, second connecting portion part, be located at institute
The drive seat stating the torque accumulator on second connecting portion part and being located on the torque accumulator, described first connecting portion part
It is connect by shaft with second connecting portion part, drive seat, which is equipped with, to fill energy with first connecting portion part cooperation for torque accumulator
Unidirectional detent, the second connecting portion part be equipped with locating piece, the drive seat be equipped with after torque accumulator fills energy with
Locating piece cooperates and locks the locking detent of drive seat, further includes that locating piece release locking detent can be driven after fire occurs
Relieving mechanism.
2. concealed closing device for door and window according to claim 1, it is characterised in that: the relieving mechanism includes fire inspection
It surveys component and detects the release driving mechanism for driving locating piece release locking detent when fire occurs in fire detection component.
3. concealed closing device for door and window according to claim 2, it is characterised in that: the fire detection component includes temperature
Glass marble is controlled, the locating piece is hinged on second connecting portion part, and the locating piece has the registration arm that can be rotated around hinge joint,
The registration arm, which is equipped with, to include that can drive positioning with the locating groove of the locking clamping matching, the release driving mechanism
The release push rod of arm swing and the release spring that can drive release putter action, the release push rod make release spring generate shape
It is limited after change by temperature control glass marble.
4. concealed closing device for door and window according to claim 3, it is characterised in that: the second connecting portion part is equipped with
First mounting base and the second mounting base, the release push rod are set in the first mounting base, and the proximal end for discharging push rod is equipped with and determines
The registration arm detent of position arm cooperation, first mounting base is equipped in the side close to registration arm to be cooperated with registration arm so as to lock
Detent is embedded in the reset spring in locating groove, and the first mounting base is equipped with release spring in the side of remotely located arm, described to release
The distal end for putting push rod is equipped with the spring detent for resisting release spring, and the temperature control glass marble is mounted on the second mounting base and Spring Card
Between position.
5. concealed closing device for door and window according to claim 4, it is characterised in that: the reset spring and release spring
It is sleeved on release push rod, second mounting base is equipped with the through-hole passed through for release push rod distal end.
6. according to concealed closing device for door and window described in claim 3,4 or 5, it is characterised in that: the locking detent includes
It is mounted on the roller in drive seat by roller bearing, the unidirectional detent includes the pin being located in drive seat, the first connecting portion
Part is equipped with the bayonet with the pin cooperation in drive seat.
7. concealed closing device for door and window according to any one of claims 1 to 5, it is characterised in that: the torque stores
Energy device includes the elastic torque storehouse being located on second connecting portion part and the torque spring being located in elastic torque storehouse, the torsion bullet
One end of spring is connect with elastic torque storehouse, and the other end is connect with drive seat.
8. concealed closing device for door and window according to claim 7, it is characterised in that: be equipped with and wear in the elastic torque storehouse
The elastic force setting axis being placed in torque spring.
9. concealed closing device for door and window according to claim 7, it is characterised in that: further include torque accumulator seat, institute
Elastic torque storehouse is stated removably to be located between second connecting portion part and torque accumulator seat, the second connecting portion part and/or
Torque accumulator seat be equipped with limit salient point, the elastic torque storehouse be equipped with can torque spring effect under with the limit convex
The limiting groove of point cooperation.
10. concealed closing device for door and window according to claim 7, it is characterised in that: the drive seat is equipped with several
The torsion adjustment hole that can be connect with torque spring is equipped with unidirectional slip teeth between described first connecting portion part and drive seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240318.5A CN108612426B (en) | 2018-03-22 | 2018-03-22 | A kind of concealed closing device for door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240318.5A CN108612426B (en) | 2018-03-22 | 2018-03-22 | A kind of concealed closing device for door and window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108612426A CN108612426A (en) | 2018-10-02 |
| CN108612426B true CN108612426B (en) | 2019-10-15 |
Family
ID=63658782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810240318.5A Active CN108612426B (en) | 2018-03-22 | 2018-03-22 | A kind of concealed closing device for door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612426B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763734A (en) * | 2019-02-27 | 2019-05-17 | 深圳市天贸实业有限公司 | Fireproof window temperature-sensitive shutting window device |
| CN110242139B (en) * | 2019-05-28 | 2020-08-11 | 广州铸安机电设备有限公司 | Opening and closing installation device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943498U (en) * | 2011-01-21 | 2011-08-24 | 肖贻勇 | Temperature-controlled door closer |
| CN202073427U (en) * | 2011-01-26 | 2011-12-14 | 天津盛达防火门技术有限公司 | Temperature control type locating automatic release device for fireproof door and window |
| PL223731B1 (en) * | 2013-12-19 | 2016-10-31 | Zenon Małkowski | Swinging-type door self-closer |
| DE102015000612A1 (en) * | 2015-01-16 | 2016-07-21 | Assa Abloy Sicherheitstechnik Gmbh | Securing device for securing a door in escape and rescue vehicles |
| CN106567662A (en) * | 2015-10-10 | 2017-04-19 | 都江堰金祥装饰工程有限公司 | Automatically-closed fireproof door |
| CN206859945U (en) * | 2017-05-05 | 2018-01-09 | 深圳市中天明消防科技有限公司 | Temperature control shutting window device |
-
2018
- 2018-03-22 CN CN201810240318.5A patent/CN108612426B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108612426A (en) | 2018-10-02 |
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