CN106837039B - Door closer with mercury structure - Google Patents
Door closer with mercury structure Download PDFInfo
- Publication number
- CN106837039B CN106837039B CN201710069684.4A CN201710069684A CN106837039B CN 106837039 B CN106837039 B CN 106837039B CN 201710069684 A CN201710069684 A CN 201710069684A CN 106837039 B CN106837039 B CN 106837039B
- Authority
- CN
- China
- Prior art keywords
- support arm
- connecting rod
- spring
- door closer
- mercury
- 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.)
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000011324 bead Substances 0.000 claims abstract description 12
- 230000005499 meniscus Effects 0.000 claims abstract description 9
- 238000004880 explosion Methods 0.000 claims description 11
- 239000012634 fragment Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 210000003739 neck Anatomy 0.000 description 24
- 230000006872 improvement Effects 0.000 description 7
- 230000009970 fire resistant effect Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 244000138502 Chenopodium bonus henricus Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of door closer with mercury structure, 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 right-hand member of the first support arm (10) is rotatablely connected with the left end of second support arm (20), the left end of the second support arm (20) is provided with meniscus (22), steel bead groove (23) is provided with the meniscus (22), characterized in that, the door closer main body (30) includes：Bottom plate (31b), magnetic valve (35), connecting rod (34), clamp (36), main spring assembly (38a), top plate (31a), torsion spring (33), mercury (32) etc..The present invention can also realize keying even if magnetic valve power-off, add the security performance of door closer.
Description
Technical field
The present invention relates to a kind of door closer with mercury structure.
Background technology
The keying of door closer is started by magnetic valve at present, and can be worked after solenoid valves, when fire the intensity of a fire
When having influence on the powerup issue of entire building, then magnetic valve can not open and close door closer again, so cause certain potential safety hazard.
The content of the invention
To overcome disadvantages mentioned above, it is an object of the invention to provide a kind of band that keying can be also realized even if magnetic valve power-off
The door closer of mercury structure.
In order to reach object above, the technical solution adopted by the present invention is：A kind of door closer with mercury structure, including the
One support arm, second support arm and door closer main body, the door closer main body are arranged in first support arm, the right side of the first support arm
End and the left end of second support arm are rotatablely connected, and the left end of the second support arm is provided with meniscus, is provided with the meniscus
Steel bead groove, the door closer main body include：Bottom plate, magnetic valve, connecting rod, clamp, main spring assembly, top plate, torsion spring and water
Silver, the bottom plate are arranged in first support arm；The magnetic valve is fixedly installed on bottom plate, and the magnetic valve has and can be contracted to
Expansion link inside magnetic valve；The connecting rod is rotatably arranged on bottom plate and can rotated in the horizontal direction；The clamp rotates
It is arranged on bottom plate, the left end of the clamp and the end of expansion link are rotatablely connected, and the right-hand member of the clamp can be with connecting rod card
Connect；The main spring assembly is arranged on the right side of connecting rod and is provided with main spring between the two, outside the main spring assembly
Portion is arranged with limit spring, and the main spring, limit spring are in compressive state, and the main spring assembly originates in bottom plate and whole
The right-hand member of first support arm is terminated in, the right-hand member of the limit spring is fixed on the inwall of the shell of first support arm, the main spring
The right-hand member of assembly is provided with steel ball, and the steel ball is caught in steel bead groove by the elastic force driving of main spring, limit spring；The top
Plate is fixedly installed on the top of connecting rod and main spring assembly, and mercury bearing is provided with the top plate；The torsion spring is arranged on
The upper surface of clamp is simultaneously higher than top plate, and the torsion spring has adjacent and is above the first free end of top plate, the second free end, with
And the 3rd free end that side-lower extends to outside clamp, second free end is against magnetic valve close to the side of connecting rod；Institute
State mercury to be fixed between the first free end and mercury bearing, be in compressed shape between first free end and the second free end
State, when the mercury is by high temperature explosion, the 3rd free end can force the clamp to be rotated to expansion link direction.
The invention has the advantages that mercury controls the first free end and the second free end compressed so that the 3rd freely
End will not force clamp to rotate；When a fire and magnetic valve can not be powered, and the temperature of fire causes mercury explosion, and first
Free end can force clamp to be rotated to expansion link direction with the second free end release elastic force, the 3rd free end, and clamp drives flexible
Bar to magnetic valve direction rotate, due to clamp rotate, now the right-hand member of clamp no longer with connecting rod clamping, main spring, spacing bullet
Spring discharges elastic force, no longer elastic to force steel ball to be caught in steel bead groove, and limit spring forces main spring assembly to be moved to the left, the
Two support arms are rotatable, you can and normally opened fire resistant doorsets are closed, door closer band mercury structure, are not worked even if magnetic valve powers off, mercury
Also what can be met an urgent need closes normally opened fire resistant doorsets, and security is higher.
It is that the connecting rod is L-shaped as a further improvement on the present invention, the connecting rod of L-type has a release link, described
The corner of connecting rod is rotatably arranged on bottom plate, the right-hand member clamping of the release link and clamp, described in the release link stretching
Bottom plate, back-moving spring is provided with the expansion link, and the elastic force of the main spring is more than the elastic force of back-moving spring.When the temperature of fire
After degree causes mercury explosion, the elastic force of compressed main spring release is more than back-moving spring, therefore back-moving spring is compressed, once it is fiery
After gesture 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 pressure
Contracting state, force main spring assembly that steel ball is pressed into steel bead groove, by magnetic valve or/and pass through water when fire occurs next time
Silver-colored 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 turns to again
With connecting rod clamping, release link reaches reset terminal.
To have at the top of the release link and reset pole as a further improvement on the present invention, the right-hand member of the clamp with
The reset strut ends clamping of pole is resetted, the reset pole is terminated above bottom plate.Reset pole to clamp clamping, can
Pole will be resetted can be integrally formed with release link.
Be as a further improvement on the present invention, in order that operating personnel to stir release link more laborsaving, then it is described multiple
Limited post is provided with the left of the bar of position, auxiliary spring, the auxiliary spring and main spring are provided between the limited post and release link
Central shaft it is parallel, the auxiliary spring is in relaxed state, and it is in relaxed state that elastic force caused by the main spring is compressed, which is more than,
Auxiliary spring elastic force.When normally opened door closer is closed, auxiliary spring is in compressed state, after the intensity of a fire is controlled, except operation people
Release link is adjusted to reset position by the external force of member, and auxiliary spring, which also provides certain elastic force, forces release link to be adjusted to the right-hand member with clamp
Clamping, for only the elastic force of main spring is overcome by external force completely, operating personnel recovers release link to reset terminal
Process, it is more laborsaving.
It is that the right-hand member of the clamp has stepped neck, the stepped neck as a further improvement on the present invention
Including external neck from outside to inside, inscribed neck, the reset strut ends for resetting pole are connected in external neck.When not
When generation fire, the i.e. door closer are in normally open, the reset strut ends for resetting pole are connected in external neck, work as door closer
After closing, the reset strut ends for resetting pole are stuck in inscribed neck so that when stirring release link to reset terminal, are played certain
Transitional function.
It is that perpendicular connecting rod, the company are provided with the right side of the release link as a further improvement on the present invention
The right-hand member of bar is rotatablely connected with bottom plate, and left end and the release link clamping of the connecting rod, the inner side of the connecting rod set rod spring,
The rod spring is in relaxed state, and connecting rod neck is provided with the outside of the connecting rod, and the end of the main spring assembly is local
It is fastened in connecting rod neck, can controls connecting rod when the main spring assembly is to left movement (during door closer is closed)
Turned to the inside around its right-hand member.Now the rod spring of inner side is in compressive state, in release link reseting procedure, compressed company
Bar spring can force main assemblage of spring to by moving, more laborsaving in reseting procedure.
It is that the first support arm includes main support arm, secondary support arm, the door closer main body as a further improvement on the present invention
It is arranged on main support arm, 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, is set on the secondary support arm as a further improvement on the present invention
Several adjustment holes that can be connected with the bolt thread are equipped with, several described adjustment holes are located in bar-shaped trough.It is simple in construction,
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 feeds back shell fragment；310b- shift knobs；
311- wiring boards.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to shown in accompanying drawing 1-11, a kind of door closer with mercury structure 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 rotatablely connected by support arm shaft 24, and the left end of second support arm 20 is provided with meniscus 22, on meniscus 22
Steel bead groove 23 is provided with, door closer main body 30 includes：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 has the expansion link that can be contracted to inside magnetic valve 35
35a；When magnetic valve 35 is powered when, 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 are 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
It is rotatablely 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, and main spring assembly 38a is originated
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 be 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 close；
Top plate 31a is fixedly installed on connecting rod 34 and main spring assembly 38a top, and mercury branch is provided with top plate 31a
Seat 32a；
Torsion spring 33 is arranged on the upper surface of clamp 36 by torsion spring seat 33 and is higher than top plate 31a, 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 to the extension of 36 outer side-lower of clamp
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 can be forced clamp 36 to expansion link 35a side by high temperature explosion, the 3rd free end 33c
To rotation.
The explosion rear connecting rod 34 of the present embodiment mercury 32 rotates to S ends release end, i.e. connecting rod 34 to the direction of clamp 36
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, and 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 rotates 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 rotates 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
Dynamic, now for 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, do not worked even if magnetic valve 35 powers off, mercury 32 also can
The normally opened fire resistant doorsets of emergent closing, security are 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 stretch out bottom plate 31b, back-moving spring 35b, main bullet are provided with expansion link 35a
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, reset branch at end
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, is provided with auxiliary spring 39 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 compressed caused elastic force of main spring 38 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 the left end of connecting rod 37 and reset
The neck 34d clampings of bar 34a reset pole 34b right-hand members, the inner side of connecting rod 37 set 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, back-moving spring 35b release elastic force, forces expansion link 35a to stretch
Go out, clamp 36 rotates, while originally compressed auxiliary spring 39 now discharges elastic force, forces 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 offers bar-shaped trough 14, and several adjustment holes 15 that can be threadedly coupled with bolt 13 are provided with secondary support arm 12, several tune
Knothole 15 is located in bar-shaped trough 14.
In addition, door closer main body 30 also includes a feedback switch 310, wiring board 311, feedback switch 310, wiring board 311
It is arranged on bottom plate 31b, feedback switch 310 has an elastic door sensor feedback shell fragment 310a and to start feedback switch
310 shift knob 310b, shift knob 310b are located at elastic door sensor feedback shell fragment 310a inner side, are set in second support arm 20
There are catch 21, the position correspondence of catch 21 and elastic door sensor feedback shell fragment 310a, elastic door sensor can be fed back shell fragment by catch 21
310a pushes shift knob 310b to, and feedback switch 310 is connected by wire with one to the wiring board 311 of feedback signal, circuit
Plate 311 is connected with a controller.For the present embodiment after first support arm 10 and second support arm 20 rotate closure, catch 21 passes through elasticity
Door sensor feedback shell fragment 310a pushes shift knob 310b to, then feeds back to controller by wiring board 311, without extra assembling again
Door status switch, integrated design is simple in construction, and assembling is more convenient, quick.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is carried out, and it is not intended to limit the scope of the present invention, all according to spirit of the invention
The equivalent change or modification that essence is done, it should all cover within the scope of the present invention.
Claims (8)
1. a kind of door closer with mercury structure, 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 is rotatablely connected, and the left end of the second support arm (20) is provided with meniscus (22), steel is provided with the meniscus (22)
Pearl groove (23), it is characterised in that the door closer main body (30) includes：Bottom plate (31b), the bottom plate (31b) are arranged on first
On support arm (10)；Magnetic valve (35), the magnetic valve (35) are fixedly installed on bottom plate (31b), and the magnetic valve (35) has
The internal expansion link (35a) of magnetic valve (35) can be contracted to；Connecting rod (34), the connecting rod (34) are rotatably arranged on bottom plate
It can rotate on (31b) and in the horizontal direction；Clamp (36), the clamp (36) are rotatably arranged on bottom plate (31b), the clamp
(36) end of left end and expansion link (35a) is rotatablely connected, right-hand member and connecting rod (34) clamping of the clamp (36)；Main bullet
Spring assembly (38a), the main spring assembly (38a) are arranged on the right side of connecting rod (34) and are provided with main spring between the two
(38), the external card of the main spring assembly (38a) is provided with limit spring (38c), the main spring (38), limit spring
(38c) is in compressive state, and the main spring assembly (38a) originates in bottom plate (31b) and terminates at the right side of first support arm (10)
End, on the inwall for the shell that the right-hand member of the limit spring (38c) is fixed on 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) are fixedly installed on connecting rod (34) and main spring assembly
The top of (38a), mercury bearing (32a) is provided with the top plate (31a)；Torsion spring (33), the torsion spring (33) are arranged on card
The upper surface of plate (36) is simultaneously higher than top plate (31a), and the torsion spring (33) has adjacent and being above top plate (31a) first freely
End (33a), the second free end (33b), and the 3rd free end (33c) to the outer side-lower extension of clamp (36), described second
Free end (33b) is against magnetic valve (35) close to the side of connecting rod (34)；Mercury (32), the mercury (32) are fixed on first
Between free end (33a) and mercury bearing (32a), in compression between first free end (33a) and the second free end (33b)
Contracting state, when the mercury (32) can be forced the clamp (36) to expansion link by high temperature explosion, the 3rd free end (33c)
(35a) direction rotates；It is characterized in that：The door closer main body (30) also includes a feedback switch (310), wiring board (311),
The feedback switch (310), wiring board (311) are arranged on bottom plate (31b), and feedback switch (310) has an elastic door sensor
Feed back shell fragment (310a) and to start the shift knob of feedback switch (310) (310b), shift knob (310b) is located at bullet
Property door sensor feedback shell fragment (310a) inner side, be provided with catch (21), the catch (21) and bullet on the second support arm (20)
Property door sensor feedback shell fragment (310a) position correspondence, the catch (21) can by elastic door sensor feed back shell fragment (310a) push to switch
Button (310b), the feedback switch (310) are connected by wire with one to the wiring board (311) of feedback signal, the line
Road plate (311) is connected with a controller.
2. the door closer according to claim 1 with mercury structure, 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) stretches 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).
3. the door closer according to claim 2 with mercury structure, 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).
4. the door closer according to claim 2 with mercury structure, 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)
Caused elastic force is more than the elastic force of the auxiliary spring (39) in relaxed state.
5. the door closer according to claim 3 with mercury structure, it is characterised in that：The right-hand member of the clamp (36) has
Stepped neck (36b), the stepped neck (36b) include 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).
6. the door closer according to claim 2 with mercury structure, it is characterised in that：The right side of the release link (34a)
Perpendicular connecting rod (37) is provided with, right-hand member and the bottom plate (31b) of the connecting rod (37) are rotatablely 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
Relaxed state, connecting rod neck (37d) is provided with the outside of the connecting rod (37), and 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.
7. the door closer according to claim 1 with mercury structure, 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).
8. the door closer according to claim 7 with mercury structure, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069684.4A CN106837039B (en) | 2017-02-08 | 2017-02-08 | Door closer with mercury structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069684.4A CN106837039B (en) | 2017-02-08 | 2017-02-08 | Door closer with mercury structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837039A CN106837039A (en) | 2017-06-13 |
| CN106837039B true CN106837039B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069684.4A Active CN106837039B (en) | 2017-02-08 | 2017-02-08 | Door closer with mercury structure |
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| Country | Link |
|---|---|
| CN (1) | CN106837039B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440059B (en) * | 2021-07-17 | 2022-04-08 | 深圳市海川伟业科技有限公司 | Adjustable intelligent sweeper battery protection device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101051129B1 (en) * | 2009-04-27 | 2011-07-22 | 주창희 | Automatic door closing device for smoke control area with integral driving part and control device |
| CN203160962U (en) * | 2012-09-18 | 2013-08-28 | 河北九安防火门窗制造集团有限公司 | Fire window temperature control release device |
| CN203729734U (en) * | 2013-11-28 | 2014-07-23 | 卜红枚 | Positioning supporting rod of electromagnetic release door closer |
| JP6313058B2 (en) * | 2014-02-07 | 2018-04-18 | 三機工業株式会社 | Conveyor line |
| CN204552433U (en) * | 2015-04-22 | 2015-08-12 | 浙江佑安高科消防系统有限公司 | A kind of temperature control mechanism for door closer and door closer |
| CN205558611U (en) * | 2016-01-13 | 2016-09-07 | 浙江佑安高科消防系统有限公司 | Fire door electric door closer is prevented in two accuses of temperature electricity |
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2017
- 2017-02-08 CN CN201710069684.4A patent/CN106837039B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106837039A (en) | 2017-06-13 |
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