CN204552433U - A kind of temperature control mechanism for door closer and door closer - Google Patents
A kind of temperature control mechanism for door closer and door closer Download PDFInfo
- Publication number
- CN204552433U CN204552433U CN201520246958.9U CN201520246958U CN204552433U CN 204552433 U CN204552433 U CN 204552433U CN 201520246958 U CN201520246958 U CN 201520246958U CN 204552433 U CN204552433 U CN 204552433U
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- pull bar
- pipe support
- ratchet
- door closer
- temperature control
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Abstract
The utility model discloses a kind of temperature control mechanism for door closer, its drip irrigation device comprises temperature control pipe support, pipe support pull bar, pipe support stage clip, temperature-sensitive glass tube, and described temperature control pipe support is arranged at intervals with fixed head and portable plate; Described temperature-sensitive glass tube is placed between fixed head and portable plate, and described pipe support pull bar is fixedly connected with portable plate with fixed head through pipe support stage clip successively, described pipe support stage clip and fixed head inconsistent; When temperature-sensitive glass tube is broken, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip, and ratchet and ratchet are separated, and labeled door is closed automatically in time, and the utility model also provides a kind of door closer comprising temperature control mechanism.
Description
Technical field
The utility model relates to door closer field, and more particularly, it relates to a kind of temperature control mechanism for door closer and door closer.
Background technology
At present, existing door closer is all often close door closer, is mainly arranged on the labeled door of closedown throughout the year, keeps labeled door to be in closed condition at any time, when preventing fire from occurring, big fire is spread by labeled door, and this door closer is practical on the labeled door that stream of people's throughput is little; But, in the stream of people or the larger public building of logistics, this door closer often cannot reach real requirement, and because the stream of people or logistics need to travel frequently over labeled door, people need plenty of time and muscle power to open labeled door, have impact on the facility that people walk greatly, if labeled door is fixed on opening with instrument, because labeled door is in opening when fire occurs, can not close in time, fire will be spread by labeled door rapidly towards periphery, to the life of people and property very harmful.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of structure simply for the temperature control mechanism of door closer, and this temperature control mechanism can make labeled door be in normally open, can close labeled door in time again when breaking out of fire.
For achieving the above object, the utility model provides following technical scheme: a kind of temperature control mechanism for door closer, comprises temperature control pipe support, pipe support pull bar, pipe support stage clip, temperature-sensitive glass tube, and described temperature control pipe support is arranged at intervals with fixed head and portable plate;
Described temperature-sensitive glass tube is placed between fixed head and portable plate, and described pipe support pull bar is fixedly connected with portable plate with fixed head through pipe support stage clip successively, described pipe support stage clip and fixed head inconsistent;
When temperature-sensitive glass tube is broken, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip.
Be set to further: one end of described fixed head is fixedly connected with temperature control pipe support by screw, and the other end is provided with the first putting hole;
One end of described portable plate is located on temperature control pipe support, and the other end is provided with the second putting hole.Described temperature-sensitive glass tube one end is conflicted in the first putting hole, and the other end is conflicted in the second putting hole
The utility model additionally provides a kind of door closer comprising temperature control mechanism described above, also comprises installing rack and body, and described body side is provided with the ratchet and pawl that cooperatively interacts, and described body is provided with the rotating shaft for installing ratchet;
Described installing rack is provided with riser, and described riser and ratchet are hinged, and the other end of the relative ratchet of described ratchet is connected with transmission mechanism;
Described transmission mechanism comprises fork, pull bar, Compress Spring and spring fixed seat, one end and the ratchet of described pull bar are hinged, the other end is arranged with Compress Spring, and conflict on pull bar in one end of described Compress Spring, the other end and the spring fixed seat of described Compress Spring are inconsistent;
Described fork and installing rack are hinged, described fork one end upwards extends to form swing part, returning spring is provided with between described swing part and controlling organization, the other end of described fork extends to form buckling parts towards pull bar bending, described pull bar is provided with otch, and described buckling parts is placed in below pull bar and it matches with otch;
Swing part and the portable plate of described swing arm are inconsistent, when temperature-sensitive glass tube is broken, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip, the buckling parts of described swing arm departs from otch to lower swing, described pull bar can under Compress Spring effect forward slip, thus drive ratchet relative to riser rotates disengaging ratchet.
Be set to further: described pull bar is equipped with bearing pin, described Compress Spring is conflicted on bearing pin.
Be set to further: described spring fixed seat is provided with spacing hole, described pull bar matches with spacing hole through Compress Spring.
Be set to further: described riser is screwed in the side of body, described ratchet is arranged between riser and body.
Be set to further: the top of described riser is provided with by pressure regulator, describedly press pressure regulator and ratchet is conflicted.
Be set to further: describedly comprise regulating part and regulating spring by pressure regulator, the top of described riser is bent to form press section towards body, described press section is provided with adjustment screwed hole, described regulating part is through regulating one end of screwed hole and regulating spring inconsistent, and the other end of described regulating spring and ratchet are conflicted inconsistent.
The utility model beneficial effect: when temperature is elevated to alarm temperature, described temperature-sensitive glass tube automatic fusing, described portable plate stress balance is destroyed, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip, drive swing arm rotates, make the buckling parts of swing arm to lower swing, otch on buckling parts and pull bar is separated, remove the clamping matching of described pull bar and fork, described pull bar can under Compress Spring effect forward slip, drive ratchet rotates, and ratchet and ratchet are separated, and labeled door is closed automatically in time.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of door closer of the utility model;
Fig. 2 is the top view of a kind of door closer of the utility model;
Fig. 3 is the structural representation of enlarged drawing A in Fig. 2;
Fig. 4 is the assembling drawing by pressure regulator and riser;
Fig. 5 be transmission mechanism and hand driving lever turn figure.
In figure 1, installing rack; 11, riser; 111, press section; 112, screwed hole is regulated; 2, body; 21, rotating shaft; 3, ratchet; 4, ratchet; 5, transmission mechanism; 51, fork; 511, swing part; 512, buckling parts; 52, pull bar; 521, otch; 54, Compress Spring; 55, spring fixed seat; 551, spacing hole; 56, bearing pin; 6, controlling organization; 61, double microswitch; 62, electromagnetic valve; 63, valve seat; 64, hand driving lever; 641, conflict bar; 65, temperature control mechanism; 651, temperature control pipe support; 652, pipe support pull bar; 653, pipe support stage clip; 654, temperature-sensitive glass tube; 655, fixed head; 656, portable plate; 7, returning spring; 8, by pressure regulator; 81, regulating part; 82, regulating spring.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, embodiment of the present utility model is described further.
A kind of door closer, comprise installing rack 1, body 2, described body 2 is fixed on installing rack 1 by screw or screw, because described body 2 is the same with body 2 structure of existing door closer, the structure of the present embodiment to body 2 just repeats no more, described body 2 side is provided with cooperatively interact ratchet 3 and ratchet 4, described body 2 is provided with the rotating shaft 21 for installing ratchet 3, described ratchet 3 is fixedly installed in rotating shaft 21, described installing rack 1 is provided with riser 11, described riser 11 is hinged with ratchet 4, wherein said ratchet 4 is hinged by rivet and riser 11, and ratchet 4 can be relatively rotated by rivet and riser 11, wherein said riser 11 is screwed in the side of body 2, described ratchet 4 is arranged between riser 11 and body 2, ratchet 4 can be made like this to avoid offseting in riser 11 rotary course, ratchet 4 is rotated more stable.
The other end of the relative ratchet 3 of described ratchet 4 is connected with transmission mechanism 5, is provided with controlling organization 6 above described transmission mechanism 5, described transmission mechanism 5 comprises fork 51, pull bar 52, Compress Spring 54 and spring fixed seat 55, one end of described pull bar 52 and the bottom of ratchet 4 are hinged, described pull bar 52 can promote ratchet 4 and rotate around rivet, the other end of described pull bar 52 is arranged with Compress Spring 54, conflict on pull bar 52 in one end of described Compress Spring 54, wherein can be equipped with bearing pin 56 at described pull bar 52, described Compress Spring 54 is conflicted on bearing pin 56, the other end and the spring fixed seat 55 of described Compress Spring 54 are inconsistent, described spring fixed seat 55 is fixedly installed on installing rack 1, in order to Compress Spring 54 can have elastic potential energy in advance, distance between described bearing pin 56 and spring fixed seat 55 is less than the length of Compress Spring 54, when can ensure that ratchet 4 and ratchet 3 are interlocked like this, Compress Spring 54 is in compressive state.
Wherein said fork 51 is hinged with installing rack 1, described fork 51 is arranged on pull bar 52 side, wherein fork 51 and installing rack 1 can relatively rotate, described fork 51 one end upwards extends to form swing part 511, returning spring 7 is provided with between described swing part 511 and controlling organization 6, the other end of described fork 51 extends to form buckling parts 512 towards pull bar 52 bending, and described pull bar 52 is provided with otch 521, and described buckling parts 512 is placed in below pull bar 52 and it matches with otch 521; When controlling organization 6 drives swing arm to swing, the buckling parts 512 of described swing arm departs from otch 521 to lower swing, described pull bar 52 meeting forward slip under Compress Spring 54 acts on, thus drive ratchet 4 to rotate relative to riser 11, ratchet 4 is rotated counterclockwise and departs from ratchet 3, fork 51 is under the effect of returning spring 7 simultaneously, and the buckling parts 512 of fork 51 is conflicted all the time below pull bar 52, matches again when needs pushing drawing rod 52 drives ratchet 4 to turn clockwise with ratchet 3.
Institute's spring fixed seat 55 is provided with spacing hole 551, described pull bar 52 matches with spacing hole 551 through Compress Spring 54, when pull bar 52 compresses Compress Spring 54 in spring fixed seat 55 sliding process, pull bar 52 coordinates with spacing hole 551, restriction effect is played in spacing hole 551 pairs of pull bar 52 motions, prevent pull bar 52 sliding process from offseting, simultaneously when pull bar 52 is fixed away from spring under the effect of the elastic potential energy of Compress Spring 54, spacing hole 551 coordinates with pull bar 52, and pull bar 52 also can be made to stablize forward slip.
Because Compress Spring 54 is compressed in advance, described pull bar 52 meeting forward slip under the elastic potential energy effect of Compress Spring 54, because ratchet 4 and riser 11 are hinged, pull bar 52 forward slip process can drive ratchet 4 to rotate relative to riser 11, ratchet 4 is made to depart from ratchet 3, because the elastic potential energy of Compress Spring 54 is only just directly delivered to ratchet 4 by the component of a pull bar 52, the elastic potential energy transformation efficiency of raising Compress Spring 54, structure is simple, reduction manufacturing cost; Pull bar 52 forward slip under the elastic potential energy effect of Compress Spring 54 is rectilinear motion simultaneously, there will not be transmission process generation stuck phenomenon, effectively can ensure that ratchet 4 and ratchet 3 are separated, improve the functional performance of door closer.
When ratchet 4 matches with ratchet 3, in order to ensure that both effectively fasten, be provided with by pressure regulator 8 on the top of described riser 11, describedly to conflict by pressure regulator 8 and ratchet 4, describedly comprise regulating part 81 and regulating spring 82 by pressure regulator 8, the top of described riser 11 is bent to form press section 111 towards body 2, described press section 111 is provided with and regulates screwed hole 112, described regulating part 81 is through regulating screwed hole 112 inconsistent with one end of regulating spring 82, the other end and the ratchet 4 of described regulating spring 82 are conflicted inconsistent, by rotating regulating part 81, adjust the distance of the upper end of regulating part 81 and ratchet 4, regulating spring 82 pairs of ratchets 4 are made to produce preestablished pressure, can ensure that ratchet 4 effectively coordinates with ratchet 3, under normal conditions, ratchet 4 and ratchet 3 is prevented to be separated.
Controlling organization 6 described in the present embodiment is by controlling the swing of fork 51, the buckling parts 512 of fork 51 is separated with the otch 521 of pull bar 52, wherein said controlling organization 6 comprises double microswitch 61, electromagnetic valve 62 and the valve seat 63 for Motionless electromagnetic valve 62, wherein the structure of double microswitch 61 and electromagnetic valve 62 is that prior art just repeats no more in the present embodiment, wherein in double microswitch 61, a microswitch is responsible for cutting off electromagnetic coil power supply, and signal feedback is responsible for by another microswitch.
Described double microswitch 61 is connected outside fire-fighting main frame with electromagnetic valve 62 respectively by wire; described double microswitch 61 has power-off protection and information feed back effect; and connect outside fire-fighting main frame by wire; described fire-fighting main frame can be controlled described electromagnetic valve 62 by interlocking module, and receives the feedback signal of double microswitch 61 by signaling module.
For the ease of installing returning spring 7, described returning spring 7 can be set on the valve rod of electromagnetic valve 62, one end and the valve seat 63 of described returning spring 7 are inconsistent, the other end is inconsistent with the baffle ring fixed on valve rod, and described valve rod is connected with the swing part 511 of fork 51 by screw or screw; Described controlling organization 6 also comprises the hand driving lever 64 be hinged with installing rack 1, described hand driving lever 64 one end and pull bar 52 are connected, this is connected can by realize inconsistent with hand driving lever 64 that described bearing pin 56 is stretched out, when hand driving lever 64 being driven to rotate in pull bar 52 sliding process, the other end of hand driving lever 64 is equipped with conflict bar 641; When pull bar 52 forward slip under Compress Spring 54 acts on, hand driving lever 64 is driven to rotate, described conflict bar 641 is inconsistent with the switch shrapnel of double microswitch 61, now double microswitch 61 can send signal to the signaling module of outside fire-fighting main frame, outside fire-fighting main frame is made to obtain signal and record this action, wherein for the ease of assembling and dismounting, described conflict bar 641 is screw or screw, and described conflict bar 641 is threaded with hand driving lever 64.
Described controlling organization 6 also comprises temperature control mechanism 65, described temperature control mechanism 65 comprises temperature control pipe support 651, pipe support pull bar 652, pipe support stage clip 653, temperature-sensitive glass tube 654, wherein temperature-sensitive glass tube 654 operating temperature is set as 68 degree, its serviceability temperature is set as 38 degree, and described temperature control pipe support 651 is arranged at intervals with fixed head 655 and portable plate; Described temperature-sensitive glass tube 654 temperature-sensitive glass tube 654 is placed between fixed head 655 and portable plate 656, and one end of described fixed head 655 is fixedly connected with temperature control pipe support 651 by screw, and the other end is provided with the first putting hole for placing temperature-sensitive glass tube 654; One end of described portable plate 656 is located on temperature control pipe support 651, and the other end is provided with the second putting hole for placing temperature-sensitive glass tube 654, and wherein the aperture of the first putting hole and the second putting hole is less than the diameter of temperature-sensitive glass tube 654.
Described pipe support pull bar 652 is fixedly connected with portable plate 656 with fixed head 655 through pipe support stage clip 653 successively, and described pipe support stage clip 653 is inconsistent with fixed head 655; The swing part 511 of described swing arm is inconsistent with portable plate 656, when temperature-sensitive glass tube 654 is broken, it is close to fixed head 655 that described pipe support pull bar 652 orders about portable plate 656 under pipe support stage clip 653 acts on, drive swing arm rotates, make the buckling parts 512 of swing arm to lower swing, buckling parts 512 is separated with the otch 521 on pull bar 52.
The course of work of the present utility model: when under normal circumstances, hand driving lever 64 can be stirred, hand driving lever 64 can turn clockwise, the bottom meeting forward rocking motion of hand driving lever 64, described hand driving lever 64 orders about pull bar 52 by bearing pin 56 and slides and Compress Spring 54 towards spring fixed seat 55, pull bar 52 is in sliding process simultaneously, pull bar 52 can drive ratchet 4 to rotate clockwise and match with ratchet 3, ratchet 3 cannot be rotated, otch 521 now on pull bar 52 can match with the buckling parts 512 on fork 51, make buckling parts 512 that pull bar 52 can be hindered to reset, realize labeled door and be in normally open.
When a fire, the closedown of labeled door is realized by described fire-fighting host computer control, described fire-fighting main frame will add to described electromagnetic valve 62 by control module operating voltage, electromagnetic valve 62 aspirates described valve rod, in described valve rod retraction process, fork 51 can be driven to rotate, wherein the buckling parts 512 of fork 51 can be separated to the otch 521 of lower swing and pull bar 52, remove the clamping matching of described pull bar 52 and fork 51, described pull bar 52 meeting forward slip under Compress Spring 54 acts on, ratchet 4 is driven to rotate, ratchet 4 and ratchet 3 are separated, labeled door is automatically closed under the effect of door closer, now, conflict bar 641 on described hand driving lever 64 is inconsistent with the switch shrapnel of double microswitch 61, double microswitch 61 is driven to cut off coil operating voltage, make electromagnetic valve 62 power-off, wherein valve rod acts at returning spring 7 and resetting, reach the effect of the described electromagnetic valve 62 of protection and saving electricity consumption, double microswitch 61 also can send the signaling module feeding back signal to described fire-fighting main frame simultaneously, fire-fighting main frame carries out relative recording to this action.
Work as breaking out of fire, and described fire-fighting main frame is when breaking down, realize labeled door by described temperature control mechanism 65 automatically to close, when temperature is elevated to alarm temperature, described temperature-sensitive glass tube 654 automatic fusing, described portable plate 656 stress balance is destroyed, it is close to fixed head 655 that described pipe support pull bar 652 orders about portable plate 656 under pipe support stage clip 653 acts on, drive swing arm rotates, make the buckling parts 512 of swing arm to lower swing, buckling parts 512 is separated with the otch 521 on pull bar 52, remove the clamping matching of described pull bar 52 and fork 51, described pull bar 52 meeting forward slip under Compress Spring 54 acts on, ratchet 4 is driven to rotate, ratchet 4 and ratchet 3 are separated, labeled door is closed automatically.
Work as breaking out of fire, and described fire-fighting main frame and temperature control mechanism 65 are when breaking down, manually can realize labeled door automatically to close, operating personnel only need stir the swing part 511 of fork 51, fork 51 is rotated, make the buckling parts 512 of swing arm to lower swing, buckling parts 512 is separated with the otch 521 on pull bar 52, remove the clamping matching of described pull bar 52 and fork 51, described pull bar 52 meeting forward slip under Compress Spring 54 acts on, drive ratchet 4 to rotate, ratchet 4 and ratchet 3 are separated, and labeled door is closed automatically.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. for a temperature control mechanism for door closer, it is characterized in that: comprise temperature control pipe support, pipe support pull bar, pipe support stage clip, temperature-sensitive glass tube, described temperature control pipe support is arranged at intervals with fixed head and portable plate;
Described temperature-sensitive glass tube is placed between fixed head and portable plate, and described pipe support pull bar is fixedly connected with portable plate with fixed head through pipe support stage clip successively, described pipe support stage clip and fixed head inconsistent;
When temperature-sensitive glass tube is broken, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip.
2. a kind of temperature control mechanism for door closer according to claim 1, is characterized in that: one end of described fixed head is fixedly connected with temperature control pipe support by screw, and the other end is provided with the first putting hole;
One end of described portable plate is located on temperature control pipe support, and the other end is provided with the second putting hole.Described temperature-sensitive glass tube one end is conflicted in the first putting hole, and the other end is conflicted in the second putting hole
3. comprise a door closer for the temperature control mechanism described in claim 1 or 2, comprise installing rack and body, described body side is provided with the ratchet and pawl that cooperatively interacts, and described body is provided with the rotating shaft for installing ratchet;
Described installing rack is provided with riser, and described riser and ratchet are hinged, and the other end of the relative ratchet of described ratchet is connected with transmission mechanism;
Described transmission mechanism comprises fork, pull bar, Compress Spring and spring fixed seat, one end and the ratchet of described pull bar are hinged, the other end is arranged with Compress Spring, and conflict on pull bar in one end of described Compress Spring, the other end and the spring fixed seat of described Compress Spring are inconsistent;
Described fork and installing rack are hinged, and described fork one end upwards extends to form swing part, and the other end of described fork extends to form buckling parts towards pull bar bending, and described pull bar is provided with otch, and described buckling parts is placed in below pull bar and it matches with otch;
Swing part and the portable plate of described swing arm are inconsistent, when temperature-sensitive glass tube is broken, it is close to fixed head that described pipe support pull bar orders about portable plate under the effect of pipe support stage clip, the buckling parts of described swing arm departs from otch to lower swing, described pull bar can under Compress Spring effect forward slip, thus drive ratchet relative to riser rotates disengaging ratchet.
4. door closer according to claim 3, is characterized in that: described pull bar is equipped with bearing pin, and described Compress Spring is conflicted on bearing pin.
5. door closer according to claim 3, is characterized in that: described spring fixed seat is provided with spacing hole, and described pull bar matches with spacing hole through Compress Spring.
6. door closer according to claim 3, is characterized in that: described riser is screwed in the side of body, and described ratchet is arranged between riser and body.
7. door closer according to claim 3, is characterized in that: the top of described riser is provided with by pressure regulator, describedly presses pressure regulator and ratchet is conflicted.
8. door closer according to claim 7, it is characterized in that: describedly comprise regulating part and regulating spring by pressure regulator, the top of described riser is bent to form press section towards body, described press section is provided with adjustment screwed hole, described regulating part is through regulating one end of screwed hole and regulating spring inconsistent, and the other end of described regulating spring and ratchet are conflicted inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246958.9U CN204552433U (en) | 2015-04-22 | 2015-04-22 | A kind of temperature control mechanism for door closer and door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246958.9U CN204552433U (en) | 2015-04-22 | 2015-04-22 | A kind of temperature control mechanism for door closer and door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552433U true CN204552433U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520246958.9U Expired - Fee Related CN204552433U (en) | 2015-04-22 | 2015-04-22 | A kind of temperature control mechanism for door closer and door closer |
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| CN (1) | CN204552433U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484596A (en) * | 2016-01-13 | 2016-04-13 | 浙江佑安高科消防系统有限公司 | Temperature-electricity double-control fireproof door electric door closer |
| CN106837039A (en) * | 2017-02-08 | 2017-06-13 | 江苏昊泽瑞消防科技有限公司 | Door closer with mercury structure |
| CN107387700A (en) * | 2017-08-23 | 2017-11-24 | 中持水务股份有限公司 | The method and the drive mechanism of implementation this method being driven to horizontal revolving kind equipment |
| CN108222753A (en) * | 2017-12-31 | 2018-06-29 | 厦门大学 | Timing automatic window machine |
| CN108625720A (en) * | 2018-07-09 | 2018-10-09 | 广州六瑞消防科技有限公司 | A kind of novel shutting window device |
-
2015
- 2015-04-22 CN CN201520246958.9U patent/CN204552433U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484596A (en) * | 2016-01-13 | 2016-04-13 | 浙江佑安高科消防系统有限公司 | Temperature-electricity double-control fireproof door electric door closer |
| CN106837039A (en) * | 2017-02-08 | 2017-06-13 | 江苏昊泽瑞消防科技有限公司 | Door closer with mercury structure |
| CN107387700A (en) * | 2017-08-23 | 2017-11-24 | 中持水务股份有限公司 | The method and the drive mechanism of implementation this method being driven to horizontal revolving kind equipment |
| CN108222753A (en) * | 2017-12-31 | 2018-06-29 | 厦门大学 | Timing automatic window machine |
| CN108222753B (en) * | 2017-12-31 | 2019-10-18 | 厦门大学 | Timing automatic window machine |
| CN108625720A (en) * | 2018-07-09 | 2018-10-09 | 广州六瑞消防科技有限公司 | A kind of novel shutting window device |
| CN108625720B (en) * | 2018-07-09 | 2024-07-23 | 广州六瑞消防科技有限公司 | Window closing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180422 |