CN206448687U - Door closer with feedback switch - Google Patents

Door closer with feedback switch Download PDF

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Publication number
CN206448687U
CN206448687U CN201720117867.4U CN201720117867U CN206448687U CN 206448687 U CN206448687 U CN 206448687U CN 201720117867 U CN201720117867 U CN 201720117867U CN 206448687 U CN206448687 U CN 206448687U
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CN
China
Prior art keywords
support arm
connecting rod
spring
door closer
clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720117867.4U
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Chinese (zh)
Inventor
杨晓峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hao Zerich Fire Protection Science And Technology Co Ltd
Original Assignee
Jiangsu Hao Zerich Fire Protection Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201720117867.4U priority Critical patent/CN206448687U/en
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Publication of CN206448687U publication Critical patent/CN206448687U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of door closer with feedback switch, including first support arm (10), second support arm (20) and door closer main body (30), the door closer main body (30) is arranged in first support arm (10), the first support arm (10) rotates with second support arm (20) and is connected, feedback switch (310) is provided with the door closer main body (30), the feedback switch (310) has an elastic door sensor feedback shell fragment (310a) and shift knob (310b), catch (21) is provided with the second support arm (20), elastic door sensor can be fed back shell fragment (310a) and push shift knob (310b) to by the catch (21), the feedback switch (310) is connected with a wiring board, the wiring board is connected with a controller.The utility model is after first support arm and second support arm rotate closure, and catch feeds back shell fragment by elastic door sensor and pushes shift knob to, without extra assembling door status switch again, and integrated design is simple in construction, assembles more convenient, quick.

Description

Door closer with feedback switch
Technical field
The utility model is related to a kind of door closer with feedback switch.
Background technology
Door closer is called automatic door-closing releaser, electric releaser etc., is that one kind realizes door leaf by automatically controlled mode Automatically the mechanism closed.And sense what whether door leaf closed, it is to be sensed by door sensor.Therefore while door closer is installed, also Additionally mounted door sensor is needed, installation is so resulted in relatively complicated.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of simple installation, need not install door sensor Door closer with feedback switch.
In order to reach object above, the technical solution adopted in the utility model is:A kind of door closer with feedback switch, bag First support arm, second support arm and door closer main body are included, the door closer main body is arranged in first support arm, the first support arm Right-hand member and the left end of second support arm rotate and connect, feedback switch, the feedback switch tool are provided with the door closer main body There is elastic a door sensor feedback shell fragment and the shift knob to start feedback switch, it is anti-that the shift knob is located at elastic door sensor Present and catch is provided with the inner side of shell fragment, the second support arm, the catch is corresponding with the position of elastic door sensor feedback shell fragment, institute Elastic door sensor feedback shell fragment can be pushed to shift knob by stating catch, and the feedback switch is connected with a wiring board, the wiring board It is connected with a controller.
The beneficial effects of the utility model are that after first support arm and second support arm rotate closure, catch passes through flexible door Magnetic feedback shell fragment pushes shift knob to, then feeds back to controller by wiring board, without extra assembling door status switch, one again Change design, it is simple in construction, assemble more convenient, quick.
It is that can not then open and close asking for door closer to solve magnetic valve power-off as further improvement of the utility model Topic, the left end of the second support arm, which is provided with meniscus, the meniscus, is provided with steel bead groove, the door closer main body bag Include:Bottom plate, magnetic valve, connecting rod, clamp, main spring assembly, top plate, torsion spring and mercury, the bottom plate are arranged on first On arm;The magnetic valve is fixedly installed on bottom plate, and the magnetic valve, which has, can be contracted to the expansion link inside magnetic valve;It is described Connecting rod is rotatably arranged on bottom plate and can rotated in the horizontal direction;The clamp is rotatably arranged on bottom plate, the clamp The end of left end and expansion link rotates connection, and the right-hand member of the clamp can be with connecting rod clamping;The main spring assembly is arranged on The right side of connecting rod and main spring is provided between the two, the external card of the main spring assembly is provided with limit spring, the master Spring, limit spring are in compressive state, and the main spring assembly originates in bottom plate and terminates at the right-hand member of first support arm, described The right-hand member of limit spring is fixed on the inwall of the shell of first support arm, and the right-hand member of the main spring assembly is provided with steel ball, institute Steel ball is stated to be caught in steel bead groove by the elastic force driving of main spring, limit spring;The top plate is fixedly installed on connecting rod and master Mercury bearing is provided with the top of main assemblage of spring, the top plate;The torsion spring is arranged on the upper surface of clamp and higher than top plate, The torsion spring has adjacent and is above the first free end of top plate, the second free end, and side-lower extends to outside clamp 3rd free end, second free end is against magnetic valve close to the side of connecting rod;The mercury is fixed on the first free end It is in compressed state between first free end and the second free end, when the mercury is quick-fried by high temperature between mercury bearing Broken, the 3rd free end can force the clamp to be rotated to expansion link direction.Wherein, mercury controls the first free end and second Free end is compressed so that the 3rd free end will not force clamp to rotate;When a fire and magnetic valve can not be powered, fire The temperature of calamity causes mercury explosion, and the first free end and the second free end discharge elastic force, and the 3rd free end can force clamp to stretching Contracting bar direction rotate, clamp drive expansion link to magnetic valve direction rotate, due to clamp rotate, now the right-hand member of clamp no longer with Connecting rod clamping, main spring, limit spring release elastic force are no longer elastic to force steel ball to be caught in steel bead groove, and limit spring Main spring assembly is forced to be moved to the left, second support arm is rotatable, you can the normally opened fire resistant doorsets of closing, door closer band mercury structure, Even if magnetic valve power-off does not work, the normally opened fire resistant doorsets of the closing that mercury can also meet an urgent need, security is higher.
It is that the connecting rod is L-shaped as further improvement of the utility model, the connecting rod of L-type has a release link, The corner of the connecting rod is rotatably arranged on bottom plate, the right-hand member clamping of the release link and clamp, and the release link is stretched out Back-moving spring is provided with the bottom plate, the expansion link, the elastic force of the main spring is more than the elastic force of back-moving spring.Work as fire Temperature make it that after mercury explosion that the elastic force of compressed main spring release is more than back-moving spring, therefore back-moving spring is compressed, one After the denier intensity of a fire is controlled, release link artificially is stirred to reset terminal (main spring assembly direction), the main spring of release link right-hand member is again In compressive state, force main spring assembly that steel ball is pressed into steel bead groove, by magnetic valve or/and logical when fire occurs next time Cross mercury explosion, the normally opened fire resistant doorsets of final plant closure;Back-moving spring release elastic force forces expansion link to stretch out, until clamp is turned to Again with connecting rod clamping, release link reaches reset terminal.
It is to have at the top of the release link and reset pole, the right side of the clamp as further improvement of the utility model End and the reset strut ends clamping for resetting pole, the reset pole are terminated above bottom plate.Pole is resetted to be used to and clamp card Connect, can will reset pole can be integrally formed with release link.
Be as further improvement of the utility model, in order that operating personnel to stir release link more laborsaving, then institute State and limited post is provided with the left of release link, auxiliary spring, the auxiliary spring and master are provided between the limited post and release link The central shaft of spring is parallel, and the auxiliary spring is in relaxed state, and the elastic force produced by the main spring is compressed is more than in relaxation The elastic force of the auxiliary spring of state.When normally opened door closer is closed, auxiliary spring is in compressed state, after the intensity of a fire is controlled, except work Release link is adjusted to reset position by the external force of industry personnel, and auxiliary spring, which also provides certain elastic force, forces release link to be adjusted to and clamp Right-hand member clamping, for only the elastic force of main spring is overcome by external force completely, operating personnel recovers release link to reset The process at end, it is more laborsaving.
It is that the right-hand member of the clamp has stepped neck, the step type as further improvement of the utility model Neck includes external neck, inscribed neck from outside to inside, and the reset strut ends of the reset pole are connected in external neck. When fire does not occur, i.e., when the door closer is in normally open, the reset strut ends for resetting pole are connected in external neck, when closing After door device is closed, the reset strut ends for resetting pole are stuck in inscribed neck so that when stirring release link to reset terminal, played Certain transitional function.
It is that perpendicular connecting rod, institute are provided with the right side of the release link as further improvement of the utility model The right-hand member for stating connecting rod is connected with bottom plate rotation, and left end and the release link clamping of the connecting rod, the inner side of the connecting rod set connecting rod Spring, the rod spring is in be provided with connecting rod neck, the end of the main spring assembly on the outside of relaxed state, the connecting rod Part is fastened in connecting rod neck, when the main spring assembly is to left movement (during door closer is closed), can be controlled Connecting rod turns to the inside around its right-hand member.Now the rod spring of inner side is in compressive state, compressed in release link reseting procedure Rod spring can force main assemblage of spring to by moving, it is more laborsaving in reseting procedure.
It is that the first support arm includes main support arm, secondary support arm, the door closer as further improvement of the utility model Main body is arranged on main support arm, and the secondary support arm is inserted inside main support arm and is bolted.First support arm can be adjusted.
It is that the main support arm upper surface offers bar-shaped trough, the secondary support arm as further improvement of the utility model On be provided with several adjustment holes that can be connected with the bolt thread, several described adjustment holes are located in bar-shaped trough.Structure Simply, it is easy for installation, quick.
Brief description of the drawings
Fig. 1 is that the present embodiment is in normally open, and the top view with top plate;
Fig. 2 is that the present embodiment is in normally open, and lays down the top view after top plate;
Fig. 3 is that the present embodiment is in normally open, and the front view with top plate;
Fig. 4 be after the present embodiment mercury explosion door closer in can closed mode, and the top view with top plate;
Fig. 5 be after the present embodiment mercury explosion door closer in can closed mode, and lay down the top view after top plate;
Top view when Fig. 6 completely closes for door closer after the present embodiment mercury explosion;
Fig. 7 is the structural representation of second support arm in the present embodiment;
Fig. 8 is the top view of connecting rod in the present embodiment;
Fig. 9 is the left view of connecting rod in the present embodiment;
Figure 10 is the structural representation of clamp in the present embodiment;
Figure 11 is the structural representation of connecting rod in the present embodiment.
In figure:
10- first support arms;
The main support arms of 11-;12- pair support arms;13- bolts;14- bar-shaped troughs;15- adjustment holes;
20- second support arms;
21- catch;22- meniscus;23- steel bead grooves;24- support arm shafts;
30- door closer main bodys;
31a- top plates;31b- bottom plates;
32- mercurys;32a- mercury bearings;
33- torsion springs;The free ends of 33a- first;The free ends of 33b- second;The free ends of 33c- the 3rd;33d- torsion spring seats;
34- connecting rods;34a- release links;34b- resets pole;34c- resets strut ends;34d- necks;34e- release links Axle;
35- magnetic valves;35a- expansion links;35b- back-moving springs;35c- expansion link axles;
36- clamps;36a- clamp axles;36b- step type necks;The external necks of 36c-;Neck is inscribed in 36d-;
37- connecting rods;37a- rod springs;37b- rod spring support bases;37c- pitman shafts;37d- connecting rod necks;
38- main springs;38a- main spring assemblies;38b- steel balls;38c- limit springs;
39- auxiliary springs;39a- limited posts;
310- feedback switch;310a- elasticity door sensor feedback shell fragments;310b- shift knobs;
311- wiring boards.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite Define.
Referring to shown in accompanying drawing 1-11, a kind of door closer with feedback switch in the present embodiment, including first support arm 10, Two support arms 20 and door closer main body 30, door closer main body 30 are arranged in first support arm 10, the right-hand member of first support arm 10 and The left end of two support arms 20 is rotated by support arm shaft 24 and connected, and feedback switch 310, feedback switch are provided with door closer main body 30 310 have an elastic door sensor feedback shell fragment 310a and shift knob 310b to start feedback switch 310, shift knob 310b, which is located in elastic door sensor feedback shell fragment 310a inner side, second support arm 20, is provided with catch 21, catch 21 and elastic door sensor Shell fragment 310a position correspondence is fed back, catch 21 can push elastic door sensor feedback shell fragment 310a to shift knob 310b, and feedback is opened Close 310 to be connected with a wiring board 311 for being used to feedback signal by wire, wiring board 311 is connected with a controller.The present embodiment After first support arm 10 and second support arm 20 rotate closure, catch 21 feeds back shell fragment 310a by elastic door sensor and pushes shift knob to 310b, then feeds back to controller by wiring board 311, without extra assembling door status switch again, integrated design, structure letter It is single, assemble more convenient, quick.
The left end of second support arm 20, which is provided with meniscus 22, meniscus 22, is provided with steel bead groove 23, door closer main body 30 Including:Bottom plate 31b, magnetic valve 35, connecting rod 34, clamp 36, main spring assembly 38a, top plate 31a, torsion spring 33, mercury 32,
Wherein, bottom plate 31b is arranged in first support arm 10;
Magnetic valve 35 is fixedly installed on bottom plate 31b, and magnetic valve 35, which has, can be contracted to the expansion link inside magnetic valve 35 35a;When magnetic valve 35 is powered, by magnetic valve 35 expansion link 35a can be controlled to stretch, then realize door closer Open and close work;
Connecting rod 34, connecting rod 34 is rotatably arranged on bottom plate 31b and can rotated in the horizontal direction;
Clamp 36 is rotatably arranged on bottom plate 31b by clamp axle 36a, the left end of clamp 36 and expansion link 35a end Rotated and connected by expansion link axle 35c, right-hand member and the clamping of connecting rod 34 of clamp 36;
Main spring assembly 38a is arranged on the right side of connecting rod 34 and is provided with main spring 38 between the two, main spring assembly 38a external card is provided with limit spring 38c, and main spring 38, limit spring 38c are in compressive state, main spring assembly 38a startings In bottom plate 31b and the right-hand member of first support arm 10 is terminated at, main spring assembly 38a right-hand member is provided with steel ball 38b, and steel ball 38b leads to Cross main spring 38, limit spring 38c elastic force driving is caught in steel bead groove 23, limit spring 38c right-hand member is fixed on first On the inwall of the shell of arm, once power compressed limit spring 38c is released, then main spring assembly 38a can be acted on to moving to left Dynamic, i.e., steel ball 38b is no longer caught in steel bead groove 23, and now door closer can be closed;
Top plate 31a is fixedly installed on connecting rod 34 and main spring assembly 38a top, top plate 31a and is provided with mercury branch Seat 32a;
Torsion spring 33 is arranged on the upper surface of clamp 36 and higher than top plate 31a by torsion spring seat 33, torsion spring 33 have it is adjacent and It is above top plate 31a the first free end 33a, the second free end 33b, and the 3rd freedom extended to the outer side-lower of clamp 36 33c, the second free end 33b is held to be against magnetic valve 35 close to the side of connecting rod 34;
Mercury 32 is fixed between the first free end 33a and mercury bearing 32a, the first free end 33a and the second free end It is in compressed state between 33b, when mercury 32 is by high temperature explosion, the 3rd free end 33c can force clamp 36 to expansion link 35a side To rotation.
The explosion rear connecting rod 34 of the present embodiment mercury 32 discharges what end, i.e. connecting rod 34 were rotated to the direction of clamp 36 to S ends The operation principle of one end is that mercury 32 is fixed between the first free end 33a and mercury bearing 32a, and controls torsion spring 33 The first free end 33a and the second free end 33b be in compressed state, the elastic force of the 3rd free end is not enough to force clamp to turn It is dynamic;When a fire and magnetic valve can not be powered, the temperature of fire causes the explosion of mercury 32, and mercury 32 is no longer secured to Between one free end 33a and mercury bearing 32a, now, the first free end 33a is rotated to mercury bearing 32a directions, i.e., first certainly By holding 33a and the second free end 33b release elastic force, the 3rd free end 33c be able to can also be rotated, and the 3rd free end 33c is forced Clamp 36 is rotated to expansion link 35a directions, and clamp 36 drives expansion link 35a to be rotated to the direction of magnetic valve 35, due to 36 turns of clamp It is dynamic, now the right-hand member of clamp 36 no longer with the clamping of connecting rod 34, main spring 38, limit spring 38c release elastic force are no longer elastic Steel ball 38b is forced to be caught in steel bead groove 23, and limit spring 38c forces main spring assembly 38a to be moved to the left, second support arm 20 can Rotate, you can close normally opened fire resistant doorsets, door closer band mercury structure does not work, mercury 32 also can even if magnetic valve 35 is powered off The normally opened fire resistant doorsets of emergent closing, security is higher.
Once the intensity of a fire is controlled, the door closer can also reset, and concrete structure is:Connecting rod 34 is L-shaped, the connecting rod of L-type 34 have a release link 34a, and the corner of connecting rod 34 is rotatably arranged on bottom plate 31b by release link axle 34e, release link 34a and clamp 36 right-hand member clamping, release link 34a, which is stretched out on bottom plate 31b, expansion link 35a, is provided with back-moving spring 35b, main bullet The elastic force of spring 38 is more than back-moving spring 35b elastic force;Pole 34b is resetted specifically, having at the top of release link 34a, clamp 36 Right-hand member and the reset strut ends 34c clampings for resetting pole 34b, reset pole 34b and terminate above bottom plate 31b, the right side of clamp 36 There is stepped neck 36b, stepped neck 36b to include external neck 36c from outside to inside, inscribed neck 36d at end, reset branch Bar 34b reset strut ends 34c is connected in external neck 36c.
In order that the reset for obtaining release link 34a is more laborsaving, the door closer in the present embodiment has also done following structure:Reset Limited post 39a is provided with the left of bar 34a, auxiliary spring 39 is provided between limited post 39a and release link 34a, auxiliary spring 39 with The central shaft of main spring 38 is parallel, and auxiliary spring 39 is in relaxed state, and the elastic force produced by main spring 38 is compressed is more than in relaxation The elastic force of the auxiliary spring 39 of state.
Connecting rod 37 is provided with the right side of release link 34a, the right-hand member of connecting rod 37 is rotated with bottom plate 31b by pitman shaft 37c to be connected Connect, when fire does not occur, i.e., when door closer is not turned off, release link 34a is vertical with connecting rod 37, and left end and the reset of connecting rod 37 The neck 34d clampings of bar 34a reset pole 34b right-hand members, the inner side of connecting rod 37 sets rod spring 37a, wherein rod spring 37a is fixed on the inner side of connecting rod 37 by the rod spring support base 37b being arranged on bottom plate 31b, when door closer is opened, connecting rod Spring 37a is in relaxed state, and the outside of connecting rod 37 is provided with connecting rod neck 37d, and main spring assembly 38a end is locally fastened on In connecting rod neck 37d, when door closer is closed, main spring assembly 38a to left movement, can controls connecting rod 37 around its right-hand member to inner side Rotate.When release link 34a is moved to S ends, connecting rod 37 is withstood by main spring assembly 38a, is then forced to rotate so that connecting rod 37 The rod spring 37a of inner side bends and compressed, meanwhile, the left end of connecting rod 37, which departs from, resets pole 34b, and connecting rod 37 is total by main spring Blocked into 38a and reset pole 34b.
Operation principle during reset is to stir release link 34a first to stir a segment distance to S ends, resets strut ends 34c and first blocks Enter inscribed neck 36d, now, connecting rod 37 there are enough space resiliences, and the driving force of the resilience of connecting rod 37 is in bending and in pressure The rod spring 37a of contracting state, connecting rod 37 can be recoiled to release link 34a close to vertical;Again to F ends reset terminal, i.e. release link 34a stirs release link 34a to main spring assembly 38a one end rotated, and back-moving spring 35b release elastic force forces expansion link 35a to stretch Go out, clamp 36 is rotated, while originally compressed auxiliary spring 39 now discharges elastic force, force release link 34a to be rotated to F ends, directly To the external neck 36c and reset pole 34b of the right-hand member of clamp 36 reset strut ends 34c clampings, main spring 38 is compressed again, Main spring assembly 38a limit spring 38c is compressed, and steel ball 38b is snapped into steel bead groove 23 again, realizes release link 34a's Reset.
First support arm 10 in the present embodiment can be adjusted, and first support arm 10 includes main support arm 11, secondary support arm 12, door closer Main body 30 is arranged on main support arm 11, and secondary support arm 12 inserts the main inside of support arm 11 and fixed by bolt 13.The main upper table of support arm 11 Face, which is offered, is provided with several adjustment holes 15 that can be threadedly coupled with bolt 13 on bar-shaped trough 14, secondary support arm 12, several tune Knothole 15 is located in bar-shaped trough 14.
Embodiment of above is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with this skill The people of art understands content of the present utility model and is carried out, and protection domain of the present utility model, all can not be limited with this The equivalent change or modification done according to the utility model Spirit Essence, should all cover in protection domain of the present utility model.

Claims (9)

1. a kind of door closer with feedback switch, including first support arm (10), second support arm (20) and door closer main body (30), The door closer main body (30) is arranged in first support arm (10), right-hand member and the second support arm (20) of the first support arm (10) Left end rotates connection, it is characterised in that:Feedback switch (310), the feedback switch are provided with the door closer main body (30) (310) there is an elastic door sensor feedback shell fragment (310a) and the shift knob (310b) to start feedback switch (310), institute State and be provided with catch on the inner side that shift knob (310b) is located at elastic door sensor feedback shell fragment (310a), the second support arm (20) (21), the catch (21) is corresponding with the position of elastic door sensor feedback shell fragment (310a), and the catch (21) can be by elastic door sensor Feedback shell fragment (310a) pushes shift knob (310b) to, and the feedback switch (310) is connected with a wiring board (311), the line Road plate (311) is connected with a controller.
2. the door closer according to claim 1 with feedback switch, it is characterised in that:The left end of the second support arm (20) It is provided with meniscus (22), the meniscus (22) and is provided with steel bead groove (23), the door closer main body (30) includes:
Bottom plate (31b), the bottom plate (31b) is arranged in first support arm (10);
Magnetic valve (35), the magnetic valve (35) is fixedly installed on bottom plate (31b), and the magnetic valve (35), which has, to be contracted to The internal expansion link (35a) of magnetic valve (35);
Connecting rod (34), the connecting rod (34) is rotatably arranged on bottom plate (31b) and can rotated in the horizontal direction;
Clamp (36), the clamp (36) is rotatably arranged on bottom plate (31b), the left end and expansion link of the clamp (36) The end of (35a) rotates connection, right-hand member and connecting rod (34) clamping of the clamp (36);
Main spring assembly (38a), the main spring assembly (38a) is arranged on the right side of connecting rod (34) and is provided between the two Main spring (38), the external card of the main spring assembly (38a) is provided with limit spring (38c), the main spring (38), spacing bullet Spring (38c) is in compressive state, and the main spring assembly (38a) originates in bottom plate (31b) and terminates at first support arm (10) Right-hand member, the right-hand member of the limit spring (38c) is fixed on the inwall of the shell of first support arm (10), the main spring assembly The right-hand member of (38a) is provided with steel ball (38b), and the steel ball (38b) is driven by the elastic force of main spring (38), limit spring (38c) It is dynamic to be caught in steel bead groove (23);
Top plate (31a), the top plate (31a) is fixedly installed on the top of connecting rod (34) and main spring assembly (38a), the top Mercury bearing (32a) is provided with plate (31a);
Torsion spring (33), the torsion spring (33) is arranged on the upper surface of clamp (36) and higher than top plate (31a), torsion spring (33) tool There are the first free end (33a) that is adjacent and being above top plate (31a), the second free end (33b), and under on the outside of clamp (36) Fang Yanshen the 3rd free end (33c), second free end (33b) is against magnetic valve (35) close to the one of connecting rod (34) Side;
Mercury (32), the mercury (32) is fixed between the first free end (33a) and mercury bearing (32a), and described first certainly It is in compressed state between end (33a) and the second free end (33b), when the mercury (32) is by high temperature explosion, the described 3rd Free end (33c) can force the clamp (36) to be rotated to expansion link (35a) direction.
3. the door closer according to claim 2 with feedback switch, it is characterised in that:The connecting rod (34) is L-shaped, L The connecting rod (34) of type has a release link (34a), and the corner of the connecting rod (34) is rotatably arranged on bottom plate (31b), The release link (34a) and the right-hand member clamping of clamp (36), the release link (34a) stretch out the bottom plate (31b), described flexible Back-moving spring (35b) is provided with bar (35a), the elastic force of the main spring (38) is more than the elastic force of back-moving spring (35b).
4. the door closer according to claim 3 with feedback switch, it is characterised in that:Have at the top of the release link (34a) There are reset pole (34b), the right-hand member of the clamp (36) and reset strut ends (34c) clamping for resetting pole (34b), it is described multiple Position pole (34b) is terminated above bottom plate (31b).
5. the door closer according to claim 3 with feedback switch, it is characterised in that:The left side of the release link (34a) Limited post (39a) is provided with, auxiliary spring (39), the auxiliary spring are provided between the limited post (39a) and release link (34a) (39) parallel with the central shaft of main spring (38), the auxiliary spring (39) is in relaxed state, the compressed institute of main spring (38) The elastic force of generation is more than the elastic force of the auxiliary spring (39) in relaxed state.
6. the door closer according to claim 4 with feedback switch, it is characterised in that:The right-hand member of the clamp (36) has Stepped neck (36b), the stepped neck (36b) includes external neck (36c), inscribed neck (36d) from outside to inside, The reset strut ends (34c) for resetting pole (34b) are connected in external neck (36c).
7. the door closer according to claim 3 with feedback switch, it is characterised in that:The right side of the release link (34a) Perpendicular connecting rod (37) is provided with, the right-hand member of the connecting rod (37) is rotated with bottom plate (31b) to be connected, the connecting rod (37) Left end and release link (34a) clamping, the inner side of the connecting rod (37) set rod spring (37a), and the rod spring (37a) is in Connecting rod neck (37d) is provided with the outside of relaxed state, the connecting rod (37), the end of the main spring assembly (38a) is local It is fastened in connecting rod neck (37d), when the main spring assembly (38a) is to left movement, energy controls connecting rod (37) is around its right-hand member Turn to the inside.
8. the door closer according to claim 1 with feedback switch, it is characterised in that:The first support arm (10) includes master Support arm (11), secondary support arm (12), the door closer main body (30) are arranged on main support arm (11), secondary support arm (12) the insertion master Support arm (11) is internal and fixed by bolt (13).
9. the door closer according to claim 8 with feedback switch, it is characterised in that:Open main support arm (11) upper surface Provided with bar-shaped trough (14), several adjustment holes that can be threadedly coupled with the bolt (13) are provided with the secondary support arm (12) (15), several described adjustment holes (15) are located in bar-shaped trough (14).
CN201720117867.4U 2017-02-08 2017-02-08 Door closer with feedback switch Expired - Fee Related CN206448687U (en)

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Application Number Priority Date Filing Date Title
CN201720117867.4U CN206448687U (en) 2017-02-08 2017-02-08 Door closer with feedback switch

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Application Number Priority Date Filing Date Title
CN201720117867.4U CN206448687U (en) 2017-02-08 2017-02-08 Door closer with feedback switch

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Publication Number Publication Date
CN206448687U true CN206448687U (en) 2017-08-29

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Application Number Title Priority Date Filing Date
CN201720117867.4U Expired - Fee Related CN206448687U (en) 2017-02-08 2017-02-08 Door closer with feedback switch

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025614A (en) * 2018-08-16 2018-12-18 广州铸安机电设备有限公司 Slide electric door closer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025614A (en) * 2018-08-16 2018-12-18 广州铸安机电设备有限公司 Slide electric door closer
CN109025614B (en) * 2018-08-16 2024-01-30 东莞市明成电子有限公司 Sliding rail electric door closer

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