CN104948032A - Power-driven door closer capable of monitoring fireproof door state - Google Patents
Power-driven door closer capable of monitoring fireproof door state Download PDFInfo
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- CN104948032A CN104948032A CN201510397597.2A CN201510397597A CN104948032A CN 104948032 A CN104948032 A CN 104948032A CN 201510397597 A CN201510397597 A CN 201510397597A CN 104948032 A CN104948032 A CN 104948032A
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- door closer
- electromagnetic
- slide block
- adsorption plate
- support
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Abstract
The invention provides a power-driven door closer capable of monitoring a fireproof door state. The power-driven door closer comprises a door closer guide frame device which is mounted on a wall above a door frame, a door closer main body block which is arranged above a door body, and a push-pull rod which is rotatably connected with the door closer guide frame device and the door closer main body block, wherein the door closer guide frame device comprise a housing, an electromagnetic switch structure, a slide block and a position trigger structure; the housing is a rectangular tube structure; an inner cavity of the rectangular tube is divided into a lower cavity and an upper cavity; the electromagnetic switch structure is fixedly mounted in the lower cavity; the slide block is arranged in the upper cavity in a slideable mode; the push-pull rod is rotatably connected on the slide block; the position trigger structure comprises a trigger body and two sensors; the trigger body is mounted on the slide block; the two sensors are mounted in the lower cavity of a housing respectively, are distributed at the two ends in the lower cavity, and are used for sensing that the slide block slides to the corresponding position respectively. The power-driven door closer disclosed by the invention is simple in structure, convenient to mount, good in structural stability and durable in use.
Description
Technical field
The present invention relates to fire-proof apparatus technical field, be specifically related to a kind of door closer monitoring labeled door state.
Background technology
Labeled door is facility common in fire-fighting, in order to pass through when running into fire to close labeled door in order to stop spreading of fire, normally off should be at usual labeled door, fire-fighting is so had to realize the thinner common people in order to current or glove convenience, labeled door is opened and does not close, if Surveillance center fails to monitor in time the opening of labeled door, certain hidden danger is formed to security against fire.At present on the market for being arranged on labeled door upper door closer, door closer being provided with location sensing parts and connection control center, so can reflecting the unlatching of labeled door or the state of closedown in time, the door closer so occurred on the market at present, structure is more complicated, be unfavorable for assembling, and durability is not good.
Summary of the invention
In view of the above, the present invention is necessary to provide a kind of structure simple, is convenient to install and the door closer of the good labeled door the monitored state of durability.
A kind of door closer monitoring labeled door state, comprise being arranged on the door closer guide frame device of wall above doorframe, be arranged on the door closer main body block above a body, and the pull bar be rotatably connected at door closer guide frame device and door closer main body block, described door closer guide frame device comprises housing, electromagnetic switch structure, slide block and location triggered structure, the rectangular tubular structure of housing, comprise roof, two sidewalls and diapire, roof offers the guide groove with the inner space of rectangular tube along pipe range direction, the inside sidewalls face of rectangular tube is relatively formed with raised line along pipe range direction, thus the inner chamber of rectangular tube is divided into a cavity of resorption and epicoele, surface diapire being positioned at cavity of resorption offers limit guide groove at middle part along pipe range direction,
Electromagnetic switch structure is arranged in cavity of resorption, electromagnetic switch structure comprises magnetic support, electromagnetic unit, locating part, electromagnetic adsorption plate, elastic support structure and holding screw, magnetic support offers through hole and screw, the end face of all through magnetic support and bottom surface, described electromagnetic unit is arranged on the bottom surface of magnetic support, described locating part is slidably mounted in the through hole of magnetic support, described electromagnetic adsorption plate is adsorbed on the bottom surface of electromagnetic unit separably, the middle part of electromagnetic adsorption plate offers perforation, described elastic support structure comprises connecting rod, support spring and return spring, the top of connecting rod through the perforation of magnetic attached plate and locating part affixed, bottom supports in electromagnetic adsorption plate bottom surface, supporting spring is tapered helical spring, be contained in limit guide groove, support spring be connected to the bottom of connecting rod and flexibly support described electromagnetic adsorption plate, return spring to be set on connecting rod and to support between locating part and electromagnetic adsorption plate, holding screw coordinates the screw on described magnetic support and supports in described limit guide groove, magnetic support and raised line is made to support and be fixed in cavity of resorption,
Slide block is slidably disposed in epicoele, slide block is connected with rotating described pull bar;
The control centre that location triggered structure comprises trigger body, two sensors and is connected with two sensors, described trigger body is arranged on slide block, in the cavity of resorption that two sensors are arranged on the housing respectively and two ends be distributed in cavity of resorption, respectively in order to sense mutually with the trigger body on slide block, to sense the position of slide block, and position signalling is sent to control centre.
Further, connecting rod, the return spring of the elastic support structure of described electromagnetic switch structure omit, described locating part is directly fixed in electromagnetic adsorption plate top surface, the spring that supports of described elastic support structure is connected to electromagnetic adsorption plate bottom surface, provides elastic force upwards that electromagnetic adsorption plate is maintained support on electromagnetic unit electromagnetic adsorption plate.
Further, the end face of described locating part is the domatic of two intersections.
Further, the end face of described magnetic support and junction, two sides are formed with the step trough of L shape, to match with raised line described in two.
Further, the bottom surface of described locating part is formed with affixed hole clipping, described connecting rod comprises the body of rod and is integrally formed in the round baffle plate of body of rod bottom, and the body of rod is affixed through the affixed hole clipping of perforation and the locating part bottom surface of electromagnetic adsorption plate, justifies baffle plate and supports in the bottom surface of electromagnetic adsorption plate.
Further, described slide block is provided with rotating shaft, rotating shaft protrudes from described guide groove, to be connected rotationally with described pull bar.
Further, described trigger body is chosen as magnet, and described sensor selects tongue tube.
Further, described housing arranges wireless signal transmission unit, in order to launch the signal of two sensor sensings.
Further, exit, the top inwall of the through hole of described magnetic support is extended with lateral margin, described locating part, in " convex " body, is formed with the shoulder matched with lateral margin.
Compared to prior art, door closer of the present invention is by adopting described housing, the installation stability of electromagnetic switch structure can be improved, by adopting described electromagnetic switch structure, improve durability and structure is simple, by adopting described location triggered structure, without the need to collision type induction, improve the accuracy of induction and structure installment is convenient.
The preferred embodiments of the invention and beneficial effect thereof, will further describe in conjunction with detailed description of the invention.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but should not be construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings,
Sectional view when Fig. 1 is present pre-ferred embodiments door closer labeled door open mode;
The housing A-A sectional view that Fig. 2 is door closer shown in Fig. 1;
Fig. 3 is the stereogram of the housing shown in Fig. 2;
Fig. 4 is the exploded view of the electromagnetic switch structure of door closer shown in Fig. 1;
Fig. 5 is the enlarged drawing at the B place shown in Fig. 1;
Fig. 6 is the enlarged drawing at the C place shown in Fig. 1;
Fig. 7 is sectional view during door closer labeled door closed condition shown in Fig. 1; ;
Fig. 8 is the enlarged drawing at the D place shown in Fig. 7;
Fig. 9 is the enlarged drawing of the B ' position at the B place shown in another preferred embodiment door closer corresponding diagram 5 of the present invention;
Figure 10 is the exploded view of the present invention the 3rd preferred embodiment door closer electromagnetic switch structure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Refer to Fig. 1 and Fig. 7, a kind of door closer monitoring labeled door state of present pre-ferred embodiments, comprises door closer guide frame device 100, door closer main body block 200 and is rotatably connected at the pull bar 300 of door closer guide frame device 100 with door closer main body block 200.Door closer guide frame device 100 is in order to be fixedly mounted in wall (not shown) above doorframe, and door closer main body block 200 is fixedly mounted on the door body 400 of labeled door, the top of adjacent doors body 400 and parallel with the top of door body 400.The two ends of pull bar 300 are rotatably connected to door closer guide frame device 100 respectively with in door closer main body block 200, when closing counterclockwise to rotate as shown in Figure 1 at door body 400, pull bar 300 is when mobile, and its two ends can be rotated relative to door closer guide frame device 100, door closer main body block 200 simultaneously.
Described door closer guide frame device 100 comprises housing 10 and installs electromagnetic switch structure 20, slide block 30 and location triggered structure on the housing 10.Refer to Fig. 2 and Fig. 3, the rectangular tubular structure of housing 10, comprise roof 11, two sidewall 12 and diapire 13, on roof 11, middle part offers the guide groove 111 with the inner space of rectangular tube along pipe range direction, sidewall 12 medial surface of rectangular tube is relatively formed with raised line 121 along pipe range direction, thus the inner chamber of rectangular tube is divided into a cavity of resorption 14 and epicoele 15.Surface diapire 13 being positioned at cavity of resorption 14 offers limit guide groove 131 at middle part along pipe range direction.
Electromagnetic switch structure 20, in order to be fixedly mounted in cavity of resorption 14, to coordinate described slide block 30, realizes sliding into holding of predeterminated position to slide block 30 or discharging.Refer to Fig. 4, electromagnetic switch structure 20 comprises magnetic support 21, electromagnetic unit 22, locating part 23, electromagnetic adsorption plate 24, elastic support structure 25 and holding screw 26.The roughly rectangular block structure of magnetic support 21, is arranged in described cavity of resorption 14, magnetic support 21 offers through hole 211 and screw 212, the end face of all through magnetic support 21 and bottom surface, through hole 211 is opened in the middle part of magnetic support 21, and screw 212 is two, and the two ends of contiguous magnetic support 21 are offered.The end face of magnetic support 21 and junction, two sides are formed with the step trough 213 of L shape, hold described raised line 121 to coordinate after mounting.The wherein side of magnetic support 21 upper with step trough 213 below also offer metallic channel (scheming not mark), pass with supply lines.
Described electromagnetic unit 22 is two, is fixedly mounted on the bottom surface of magnetic support 21, for adsorbing described electromagnetic adsorption plate 24 after powered up.Described locating part 23 is slidably mounted in the through hole 211 of magnetic support 21, can opposing through-bores 211 extended or retracted, and stop the slip of described slide block 30 when stretching out.The end face of locating part 23 is the domatic of two intersections, (and wherein one domatic compared with another domatic length,) so, can be convenient to end face that slide block 30 is slipped into locating part 23 when sliding presses down described locating part 23, and can slide past pressing down after in described locating part 23 retraction to through hole 211 then slide block 30.The bottom surface of locating part 23 is formed with affixed hole clipping (figure does not mark), for connecting described elastic support structure 25.
Described electromagnetic adsorption plate 24 is rectangular slab, it is arranged on the below of magnetic support 21 and the bottom surface of close neighbour's electromagnetic unit 22 abreast, adsorb separably with electromagnetic unit 22, namely when electromagnetic unit 22 conducting, electromagnetic adsorption plate 24 is fastening to be adsorbed on electromagnetic unit 22, when electromagnetic unit 22 power-off, be separated with electromagnetic unit 22.The middle part of electromagnetic adsorption plate 24 offers perforation 241, to coordinate described elastic support structure 25.
Described elastic support structure 25 comprises connecting rod 251, supports spring 252 and return spring 253.Connecting rod 251 has the body of rod and is integrally formed in the round baffle plate of body of rod bottom, and the body of rod is affixed with the affixed hole clipping of locating part 23 bottom surface through the perforation 241 of electromagnetic adsorption plate 24, and circle baffle plate can not pass perforation 241, is positioned at the subjacent of described electromagnetic adsorption plate 24.Supporting spring 252 is tapered helical spring, and bottom is contained in limit guide groove 131, and the top supporting spring 252 is connected to the bottom of round baffle plate and flexibly supports described connecting rod 251, also flexibly supports described electromagnetic adsorption plate 24.Return spring 253 is pillar shaped helical spring, and diameter comparatively bores a hole 241 greatly, and return spring 253 is set on the body of rod of connecting rod 251, supports between locating part 23 and electromagnetic adsorption plate 24, makes electromagnetic adsorption plate 24 compress the round baffle plate of connecting rod 251.
Please again consult Fig. 1, holding screw 26 coordinates the screw 212 on described magnetic support 21, in order to when magnetic support 21 is fixedly mounted in cavity of resorption 14, the end of holding screw 26 is made to support in described limit guide groove 131 by rotational fastener screw 26, thus jacking magnetic support 21, make magnetic support 31 rising support with raised line 121 and be fixed in cavity of resorption 14.
Slide block 30 is contained in epicoele 15 slidably, can slide along described raised line 121, and the locating part 23 entered in epicoele 15 with the through hole 211 stretching out magnetic support 21 after default distance of sliding supports.When the non-conducting effect of electromagnetic unit 22, the elastic force supporting the locating part 23 that spring 252 provides can be overcome and make locating part 23 be retracted in through hole 211, continue by locating part 23 position to slide; When electromagnetic unit 22 conducting effect, electromagnetic adsorption plate 24 is fastening to be adsorbed on electromagnetic unit 22, the connecting rod 251 be fixedly connected with locating part 23 supported by electromagnetic adsorption plate 24, locating part 23 is not easily pressed down and is retracted in through hole 211, namely external force is difficult to overcome electromagnetic force, thus slide block 30 is that the described limited block 23 at through hole 211 protrusion is spacing.Slide block 30 is provided with rotating shaft 31, rotating shaft 31 protrudes from described guide groove 111, to connect one end of described pull bar 300, one end of pull bar 300 is rotatably connected in rotating shaft 31.
Control centre's (not shown) that location triggered structure comprises trigger body 41, two sensor 42 and is connected with two sensors 42.Described trigger body 41 is arranged on the soffit of slide block 30, i.e. on the surface adjacent with cavity of resorption 14 of slide block 30.In the present embodiment, trigger body 41 is chosen as magnet.Two sensors 42 are arranged in the cavity of resorption 14 of housing 10 respectively, and the two ends be distributed in cavity of resorption 14, respectively in order to sense with trigger body 41 phase on slide block 30, thus the position that two that detect that slide block 30 slides on the housing 10 corresponding, namely slide block 30 position on the housing 10 when door body 400 opens or closes, in the present embodiment, sensor 42 selects tongue tube.Sensor 42 sends signal to control centre, and control centre sends the instruction of closing or starting electromagnetic unit.Be appreciated that wherein a sensor 42 can be arranged on magnetic support 21, away from one end of magnetic support 21 in another cavity of resorption 14 arranging housing 10.
Incorporated by reference to consulting Fig. 5, Fig. 6, door closer is assembled, when the cavity of resorption 14 of electromagnetic switch structure 20 to housing 10 is installed, now return spring 253 is set on the body of rod of connecting rod 251, then the body of rod of connecting rod 251 is affixed with the bottom surface of locating part 23 through the perforation 241 of electromagnetic adsorption plate 24, locating part 23 is arranged in the through hole 211 of magnetic support 21, support the bottom that spring 252 is connected to the round baffle plate of connecting rod 251, then magnetic support 21 is arranged in cavity of resorption 14, the step trough 213 of magnetic support 21 both sides coordinates with two described raised lines 121, supporting spring 252 bottom is contained in limit guide groove 131, promote magnetic support 21 and slide into predeterminated position, support spring 252 to slide along limit guide groove 131, then holding screw 26 is screwed in the screw 212 on described magnetic support 21, the end of holding screw 26 supports in described limit guide groove 131, jacking magnetic support 21, magnetic support 31 and raised line 121 is made to support and be fixed in cavity of resorption 14.So, electromagnetic switch structure 20 is fixedly mounted in the cavity of resorption 14 of housing 10.By arranging limit guide groove 131, supporting spring 252 not easily off normal in the sliding process installed, being convenient to install.Support spring 252 and adopt tapered helical spring, elasticity maintains for a long time, and durability is good.Then in the cavity of resorption 14 of housing 10, by screw or pin etc. two sensors 42 of location triggered structure are arranged on respectively the two ends in cavity of resorption 14.Then the slide block 30 being provided with trigger body 41 is arranged in epicoele 15; Location triggered structure coordinates with two sensors 42 by adopting touchless trigger body 41, than traditional contact induction switch, traditional contact induction switch is after repeated multiple times contact, easily there is loose contact, adopt contactless trigger architecture can improve convenience and the durability of installation.Then door closer guide frame device 100 is fixedly mounted in wall above doorframe, door closer main body block 200 is fixedly mounted on the door body 400 of labeled door, be connected to rotationally one end of pull bar 300 in the rotating shaft 31 of slide block 30, the other end of pull bar 300 is rotatably connected in door closer main body block 200.So, the door closer of labeled door has assembled.
Door closer is when action, see also Fig. 7, Fig. 8, the door body 400 of labeled door (consults Fig. 1) when opening, door body 400 is roughly rectangular with door closer guide frame device 100 together with door closer main body block 200, now, slide block 30 is positioned at one end of housing 10, and be positioned at the side of the locating part 23 of electromagnetic switch structure 20, and the trigger body 41 on slide block 30 and sensor 42 position alignment of housing 10 one end, thus, sensor 42 sensing signal is sent to control centre, control centre can real-time awareness now labeled door be open mode, when needs labeled door maintains open mode, control centre sends signal enabling electromagnetic unit 22, electromagnetic unit 22 adsorbs described electromagnetic adsorption plate 24, so, slide block 30 stops for described locating part 23, and can not slide, thus maintain the open mode continued.When needs labeled door is closed, control centre sends signal at stop electromagnetic unit 22, electromagnetic unit 22 no longer adsorbs described electromagnetic adsorption plate 24, electromagnetic adsorption plate 24 supports disengaging electromagnetic unit for return spring 253, so, External Force Acting rotates on door body 400, slide block 30 slides to the other end from one end of housing 10 along raised line 121, when running into described locating part 23, can press down locating part 23 after slide block 30 slides to the end face of locating part 23 is retracted in through hole 211, the connecting rod 251 be connected with locating part 23 moves down, support spring 252 to be further compressed, after slide block 30 slips over locating part 23, locating part 23 homing under the effect supporting spring 252 stretches out through hole 211.After door body 400 closes, slide block 30 slides to the relevant position of housing 10 other end, trigger body 41 now on slide block 30 is corresponding with sensor 42 position of the other end, and sensor 42 sensing like this sends position signalling to control centre, and control centre can know now door body and be in closed condition.So, can understand in real time and monitor labeled door and be in the state opened or closed.
Further, can arrange wireless signal transmission unit at housing 10, the signal of two sensor 42 sensings by wireless transmit, thus realizes transmission of wireless signals.
Refer to Fig. 9, for on electromagnetic switch structure 20 to the spacing further improvement of locating part 23, make locating part 23 not easily deviate from through hole 211, and opposing through-bores 211 have fixing extension elongation, particularly, exit, the top inwall of the through hole 211 of magnetic support 21 is extended with lateral margin 2111, locating part 23, in " convex " body, is formed with the shoulder 2311 matched with lateral margin 2111, so, can limit locating part 23 to deviate from from through hole 211, and the length that opposing through-bores 211 stretches out is fixed.
Refer to Figure 10, the electromagnetic switch structure of the door closer of another better embodiment is provided, compare aforementioned electromagnetic construction of switch, in the present embodiment, the locating part 23 of electromagnetic switch structure is directly fixed in electromagnetic adsorption plate 24 end face, elastic support structure 25 only adopts and supports spring 252, the connecting rod 251 of elastic support structure 25, return spring 253 omits, support spring 252 and be connected to electromagnetic adsorption plate 24 bottom surface, elastic force is upwards provided to make electromagnetic adsorption plate 24 maintenance support on electromagnetic unit 22 by supporting spring 252, namely the top opposing through-bores 211 maintaining locating part 23 stretches out, when electromagnetic unit 22 does not conduct electricity, external force promotes slide block 30 and slides, slide block 30 can overcome the elastic force supporting spring 252 and press down described locating part 23, slip over locating part 23 position, when electromagnetic unit 22 conducts electricity, electromagnetic adsorption plate 24 is fastening to be adsorbed on electromagnetic unit 22, slide block 30 can not overcome the electromagnetic adsorption power of electromagnetic unit 22, and locating part 23 position can not be slipped over.In the present embodiment, electromagnetic switch structure is simpler compared with the structure of aforementioned electromagnetic construction of switch.
To sum up, door closer of the present invention is by adopting described housing, offer limit guide groove on the housing, the installation stability of electromagnetic switch structure can be improved, by adopting described electromagnetic switch structure, the spring that supports of electromagnetic switch structure is tapered helical spring, and its bottom is contained in limit guide groove, contraposition and slide-and-guide when being convenient to install, the durability improved and structure is simple, in addition, by the described location triggered structure adopting trigger body to match with two sensors, without the need to collision type induction, improve the accuracy of induction and structure installment is convenient.
As long as without prejudice to the thought of the invention, various different embodiment of the present invention is combined, all should be considered as content disclosed by the invention; Within the scope of technical conceive of the present invention, technical scheme is carried out to any combination of the thought without prejudice to the invention that multiple simple modification and different embodiment are carried out, all should within protection scope of the present invention.
Claims (9)
1. can monitor the door closer of labeled door state for one kind, comprise being arranged on the door closer guide frame device (100) of wall above doorframe, be arranged on the door closer main body block (200) above a body, and be rotatably connected at the pull bar (300) of door closer guide frame device (100) with door closer main body block (200), described door closer guide frame device (100) comprises housing (10), electromagnetic switch structure (20), slide block (30) and location triggered structure, it is characterized in that: housing (10) rectangular tubular structure, comprise roof (11), two sidewalls (12) and diapire (13), roof (11) offers along pipe range direction and the guide groove of the inner space of rectangular tube (111), sidewall (12) medial surface of rectangular tube is relatively formed with raised line (121) along pipe range direction, thus the inner chamber of rectangular tube is divided into a cavity of resorption (14) and epicoele (15), surface diapire (13) being positioned at cavity of resorption (14) offers limit guide groove (131) at middle part along pipe range direction,
Electromagnetic switch structure (20) is arranged in cavity of resorption (15), electromagnetic switch structure (20) comprises magnetic support (21), electromagnetic unit (22), locating part (23), electromagnetic adsorption plate (24), elastic support structure (25) and holding screw (26), magnetic support (21) offers through hole (211) and screw (212), the end face of all through magnetic support (21) and bottom surface, described electromagnetic unit (22) is arranged on the bottom surface of magnetic support (21), described locating part (23) is slidably mounted in the through hole (211) of magnetic support (21), described electromagnetic adsorption plate (24) is adsorbed on the bottom surface of electromagnetic unit (22) separably, the middle part of electromagnetic adsorption plate (24) offers perforation (241), described elastic support structure (25) comprises connecting rod (251), support spring (252) and return spring (253), the top of connecting rod (251) is affixed with locating part (23) through the perforation (241) of magnetic attached plate (24), bottom supports in electromagnetic adsorption plate (24) bottom surface, support spring (252) for tapered helical spring, be contained in limit guide groove (131), support spring (252) be connected to the bottom of connecting rod (251) and flexibly support described electromagnetic adsorption plate (24), return spring (253) is set in connecting rod (251) and goes up and support between locating part (23) and electromagnetic adsorption plate (24), holding screw (26) coordinates the screw (212) on described magnetic support (21) and supports in described limit guide groove (131), magnetic support (21) and raised line (121) is made to support and be fixed in cavity of resorption (14),
Slide block (30) is slidably disposed in epicoele (15), slide block (30) is connected with rotating described pull bar (300);
The control centre that location triggered structure comprises trigger body (41), two sensors (42) and is connected with two sensors (42), described trigger body (41) is arranged on slide block (30), in the cavity of resorption (14) that two sensors (42) are arranged on housing (10) the respectively and two ends be distributed in cavity of resorption (14), respectively in order to sense mutually with the trigger body (41) on slide block (30), to sense the position of slide block (30), and position signalling is sent to control centre.
2. door closer according to claim 1, it is characterized in that: connecting rod (251), the return spring (253) of the elastic support structure (25) of described electromagnetic switch structure (20) omit, described locating part (23) is directly fixed in electromagnetic adsorption plate (24) end face, the spring (252) that supports of described elastic support structure (25) is connected to electromagnetic adsorption plate (24) bottom surface, provides elastic force upwards that electromagnetic adsorption plate (24) is maintained support on electromagnetic unit (22) electromagnetic adsorption plate (24).
3. door closer according to claim 1, is characterized in that: the end face of described locating part (23) is the domatic of two intersections.
4. door closer according to claim 1, is characterized in that: the end face of described magnetic support (21) and junction, two sides are formed with the step trough (213) of L shape, to match with raised line described in two (121).
5. door closer according to claim 1, it is characterized in that: the bottom surface of described locating part (23) is formed with affixed hole clipping, described connecting rod (251) comprises the body of rod and is integrally formed in the round baffle plate of body of rod bottom, the perforation (241) that the body of rod passes electromagnetic adsorption plate (24) is affixed with the affixed hole clipping of locating part (23) bottom surface, and circle baffle plate supports the bottom surface in electromagnetic adsorption plate (24).
6. door closer according to claim 1, it is characterized in that: described slide block (30) is provided with rotating shaft (31), rotating shaft (31) protrudes from described guide groove (111), to be connected rotationally with described pull bar (300).
7. door closer according to claim 1, is characterized in that: described trigger body (41) is chosen as magnet, and described sensor (42) selects tongue tube.
8. door closer according to claim 1, is characterized in that: described housing (10) arranges wireless signal transmission unit, in order to launch the signal that two sensors (42) sense.
9. door closer according to claim 1, it is characterized in that: exit, the top inwall of the through hole (211) of described magnetic support (21) is extended with lateral margin (2111), described locating part (23), in " convex " body, is formed with the shoulder (2311) matched with lateral margin (2111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397597.2A CN104948032A (en) | 2015-07-07 | 2015-07-07 | Power-driven door closer capable of monitoring fireproof door state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397597.2A CN104948032A (en) | 2015-07-07 | 2015-07-07 | Power-driven door closer capable of monitoring fireproof door state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104948032A true CN104948032A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510397597.2A Pending CN104948032A (en) | 2015-07-07 | 2015-07-07 | Power-driven door closer capable of monitoring fireproof door state |
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| CN (1) | CN104948032A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780732A (en) * | 2017-11-30 | 2018-03-09 | 苏州市富尔达科技股份有限公司 | One kind linkage door closer |
| CN107780733A (en) * | 2017-11-30 | 2018-03-09 | 苏州市富尔达科技股份有限公司 | One kind linkage door closer |
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| CN201254932Y (en) * | 2008-06-05 | 2009-06-10 | 王俊哲 | Automatic releasing machine for sliding fire-proof door |
| GB2501235A (en) * | 2012-03-06 | 2013-10-23 | Stephenson Gobin Ltd | Door closer with magnetic holding mechanism |
| CN203947937U (en) * | 2014-05-10 | 2014-11-19 | 深圳市中天明科技有限公司 | Spacing electromagnet unit and door closer for door closer |
| CN203947934U (en) * | 2014-05-10 | 2014-11-19 | 深圳市中天明科技有限公司 | Can monitor the door closer of labeled door in closed condition |
| CN204326805U (en) * | 2014-12-18 | 2015-05-13 | 深圳市中天明科技有限公司 | The door closer of opening is in for monitoring labeled door |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201254932Y (en) * | 2008-06-05 | 2009-06-10 | 王俊哲 | Automatic releasing machine for sliding fire-proof door |
| GB2501235A (en) * | 2012-03-06 | 2013-10-23 | Stephenson Gobin Ltd | Door closer with magnetic holding mechanism |
| CN203947937U (en) * | 2014-05-10 | 2014-11-19 | 深圳市中天明科技有限公司 | Spacing electromagnet unit and door closer for door closer |
| CN203947934U (en) * | 2014-05-10 | 2014-11-19 | 深圳市中天明科技有限公司 | Can monitor the door closer of labeled door in closed condition |
| CN204326805U (en) * | 2014-12-18 | 2015-05-13 | 深圳市中天明科技有限公司 | The door closer of opening is in for monitoring labeled door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780732A (en) * | 2017-11-30 | 2018-03-09 | 苏州市富尔达科技股份有限公司 | One kind linkage door closer |
| CN107780733A (en) * | 2017-11-30 | 2018-03-09 | 苏州市富尔达科技股份有限公司 | One kind linkage door closer |
| CN107780732B (en) * | 2017-11-30 | 2023-08-15 | 苏州市富尔达科技股份有限公司 | Linkage door closer |
| CN107780733B (en) * | 2017-11-30 | 2023-08-15 | 苏州市富尔达科技股份有限公司 | Linkage door closer |
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Application publication date: 20150930 |