CN106837039A - Door closer with mercury structure - Google Patents
Door closer with mercury structure Download PDFInfo
- Publication number
- CN106837039A CN106837039A CN201710069684.4A CN201710069684A CN106837039A CN 106837039 A CN106837039 A CN 106837039A CN 201710069684 A CN201710069684 A CN 201710069684A CN 106837039 A CN106837039 A CN 106837039A
- 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.)
- Granted
Links
- 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
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 7
- 239000012634 fragment Substances 0.000 description 6
- 230000009970 fire resistant effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005516 engineering process 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 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 rotated with the left end of second support arm (20) and is connected, 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：Base plate (31b), magnetic valve (35), connecting rod (34), clamp (36), main spring assembly (38a), top board (31a), torsion spring (33), mercury (32) etc..Even if magnetic valve power-off of the invention can also be realized opening and closing, the security performance of door closer is increased.
Description
Technical field
The present invention relates to a kind of door closer with mercury structure.
Background technology
The keying of current door closer is started by magnetic valve, 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 cannot again open and close door closer, so cause certain potential safety hazard.
The content of the invention
To overcome disadvantages mentioned above, even if it is an object of the invention to provide the band that a kind of power-off of magnetic valve can also be realized opening and closing
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
Hold to be rotated with the left end of second support arm and be connected, 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 includes：Base plate, magnetic valve, connecting rod, clamp, main spring assembly, top board, torsion spring and water
Silver, the base plate is arranged in first support arm；The magnetic valve is fixedly installed on base plate, and the magnetic valve has can be contracted to
Expansion link inside magnetic valve；The connecting rod is rotatably arranged on base plate and can rotate in the horizontal direction；The clamp is rotated
It is arranged on base plate, the left end of the clamp is rotated with the end of expansion link and is 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 base plate simultaneously eventually
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 driven by the elastic force of main spring, limit spring and snapped in steel bead groove；The top
Plate is fixedly installed on the top of connecting rod and main spring assembly, and mercury bearing is provided with the top board；The torsion spring is arranged on
The upper surface of clamp and be higher than top board, the torsion spring has adjacent and is above the first free end of top board, the second free end, with
And the 3rd free end extended to side-lower outside clamp, second free end is against magnetic valve near 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 receives high temperature explosion, the 3rd free end can force the clamp to be rotated to expansion link direction.
The beneficial effects of the invention are as follows mercury controls the first free end compressed with the second free end so that the 3rd freely
End will not force clamp to rotate；When a fire and magnetic valve cannot be powered, the temperature of fire causes mercury explosion, first
Free end discharges elastic force with the second free end, and the 3rd free end can force clamp to be rotated to expansion link direction, 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 snap 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 close normally opened fire resistant doorsets, door closer is with mercury structure, even if magnetic valve power-off does not work, mercury
Also what can be met an urgent need closes normally opened fire resistant doorsets, and security is higher.
It is as a further improvement on the present invention that the connecting rod is L-shaped, the connecting rod of L-type has a release link, described
The corner of connecting rod is rotatably arranged on base plate, and the right-hand member clamping of the release link and clamp, the release link is stretched out described
Base plate, is provided with back-moving spring, the elastic force of the elastic force more than back-moving spring of the main spring on the expansion link.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, forces main spring assembly that steel ball is pressed into steel bead groove, by magnetic valve or/and by water when there is fire 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 is turned to again
With connecting rod clamping, release link reaches reset terminal.
As a further improvement on the present invention that release link top has a reset pole, the right-hand member of the clamp with
The reset strut ends clamping of reset pole, the reset pole terminates at base plate top.Reset pole be used to clamp clamping, can
Reset pole 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 be in relaxed state, the main spring it is compressed produced by elastic force more than be in relaxed state
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 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 to reset terminal release link
Process, it is more laborsaving.
It is as a further improvement on the present invention that the right-hand member of the clamp has stepped draw-in groove, the stepped draw-in groove
Including external draw-in groove from outside to inside, it is interior connect draw-in groove, the reset strut ends of the reset pole are connected in external draw-in groove.When not
When generation fire, the i.e. door closer are in normally open, the reset strut ends of reset pole are connected in external draw-in groove, work as door closer
After closing, the reset strut ends of reset pole are stuck in interior connecing in draw-in groove so that when release link to reset terminal is stirred, and play certain
Transitional function.
It is as a further improvement on the present invention that perpendicular connecting rod, the company are provided with the right side of the release link
The right-hand member of bar is rotated with base plate and is connected, 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 draw-in groove, the end part of the main spring assembly are provided with the outside of the connecting rod
It is fastened in connecting rod draw-in groove, when the main spring assembly is to left movement (during door closer is closed), can controls connecting rod
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 as a further improvement on the present invention that the first support arm includes main support arm, secondary support arm, the door closer main body
It is arranged on main support arm, the secondary support arm inserts main support arm inside and is bolted.First support arm can be adjusted.
It is as a further improvement on the present invention that the main support arm upper surface offers bar-shaped trough, is set on the secondary support arm
Several adjustment holes that can be connected with the bolt thread are equipped with, described several adjustment holes are located in bar-shaped trough.Simple structure,
It is easy for installation, quick.
Brief description of the drawings
Fig. 1 is the present embodiment in normally open, and the top view with top board；
Fig. 2 is that the present embodiment is in normally open, and lays down the top view after top board；
Fig. 3 is the present embodiment in normally open, and the front view with top board；
Fig. 4 be after the present embodiment mercury explosion door closer in can closed mode, and the top view with top board；
Fig. 5 be after the present embodiment mercury explosion door closer in can closed mode, and lay down the top view after top board；
Fig. 6 is top view when door closer is completely closed 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 boards；31b- base 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- reset poles；34c- reset strut ends；34d- draw-in grooves；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 draw-in grooves；The external draw-in grooves of 36c-；Draw-in groove is connect in 36d-；
37- connecting rods；37a- rod springs；37b- rod spring support bases；37c- pitman shafts；37d- connecting rod draw-in grooves；
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.
Specific 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 rotates connection 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：Base plate 31b, magnetic valve 35, connecting rod 34, clamp 36, main spring assembly
38a, top board 31a, torsion spring 33, mercury 32,
Wherein, base plate 31b is arranged in first support arm 10；
Magnetic valve 35 is fixedly installed on base 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, expansion link 35a can be controlled to stretch by magnetic valve 35, then realize door closer
Open and close work；
Connecting rod 34, connecting rod 34 is rotatably arranged on base plate 31b and can rotate in the horizontal direction；
Clamp 36 is rotatably arranged on base plate 31b by clamp axle 36a, the left end of clamp 36 and the end of expansion link 35a
Rotated by expansion link axle 35c and connected, 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
The outside of 38a is arranged with limit spring 38c, and main spring 38, limit spring 38c are in compressive state, main spring assembly 38a startings
In base plate 31b and the right-hand member of first support arm 10 is terminated at, the right-hand member of main spring assembly 38a is provided with steel ball 38b, and steel ball 38b leads to
Cross main spring 38, the elastic force of limit spring 38c drives and snaps in steel bead groove 23, the right-hand member of limit spring 38c is fixed on first
On the inwall of the shell of arm, once limit spring 38c compressed power is released, then main spring assembly 38a can be acted on to moving to left
Dynamic, i.e., steel ball 38b no longer snaps in steel bead groove 23, and now door closer can be closed；
Top board 31a is fixedly installed on the top of connecting rod 34 and main spring assembly 38a, and mercury branch is provided with top board 31a
Seat 32a；
Torsion spring 33 is arranged on the upper surface of clamp 36 and higher than top board 31a by torsion spring seat 33, torsion spring 33 with adjacent and
The first free end 33a, the second free end 33b of top board 31a are above, and the 3rd freedom extended to the outer side-lower of clamp 36
End 33c, the second free end 33b are against magnetic valve 35 near 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 receives 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 is rotated 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 cannot 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 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 snap 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 with mercury structure, even if magnetic valve 35 is powered off not working, also can by mercury 32
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 base plate 31b by release link axle 34e, release link
The right-hand member clamping of 34a and clamp 36, release link 34a stretches out base plate 31b, back-moving spring 35b, main bullet is provided with expansion link 35a
Elastic force of the elastic force of spring 38 more than back-moving spring 35b；Specifically, release link 34a tops have reset pole 34b, clamp 36
The reset strut ends 34c clampings of right-hand member and reset pole 34b, reset pole 34b terminates at base plate 31b tops, the right side of clamp 36
End have stepped draw-in groove 36b, stepped draw-in groove 36b include external draw-in groove 36c from outside to inside, it is interior meet draw-in groove 36d, reset branch
The reset strut ends 34c of bar 34b is connected in external draw-in groove 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 compressed produced elastic force of main spring 38 is more than in lax
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 by pitman shaft 37c with base plate 31b and connected
Connect, when there is no fire, i.e., when door closer is not turned off, release link 34a is vertical with connecting rod 37, and connecting rod 37 left end with reset
The draw-in groove 34d clampings of the reset pole 34b right-hand members of bar 34a, 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 base 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 draw-in groove 37d, and the end of main spring assembly 38a is locally fastened on
In connecting rod draw-in groove 37d, when door closer is closed, to left movement, energy controls connecting rod 37 is around its right-hand member to inner side for main spring assembly 38a
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 compresses, meanwhile, the left end of connecting rod 37 departs from reset 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, and reset strut ends 34c first blocks
Draw-in groove 36d is met in entering, 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 one end that main spring assembly 38a is 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 reset strut ends 34c clampings of the external draw-in groove 36c and reset pole 34b of the right-hand member of clamp 36, main spring 38 is compressed again,
The limit spring 38c of main spring assembly 38a 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 is inserted the inside of main support arm 11 and fixed by bolt 13.The upper table of main 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.
Additionally, door closer main body 30 also includes a feedback switch 310, wiring board 311, feedback switch 310, wiring board 311
It is arranged on base plate 31b, feedback switch 310 has an elastic door sensor feedback shell fragment 310a and is used to start feedback switch
310 shift knob 310b, shift knob 310b are located at the inner side of elastic door sensor feedback shell fragment 310a, are set in second support arm 20
There is catch 21, catch 21 is corresponding with the position of elastic door sensor feedback shell fragment 310a, and 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 the wiring board 311 that wire is used to feedback signal with, circuit
Plate 311 is connected with a controller.After first support arm 10 and second support arm 20 rotate closure, catch 21 is by elasticity for the present embodiment
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, simple structure is assembled more convenient, quick.
Embodiment of above technology design and feature only to illustrate the invention, technique is familiar with its object is to allow
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, 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 rotates connection, 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：
Base plate (31b), the base plate (31b) is arranged in first support arm (10)；
Magnetic valve (35), the magnetic valve (35) is fixedly installed on base plate (31b), and the magnetic valve (35) is with can be contracted to
The internal expansion link (35a) of magnetic valve (35)；
Connecting rod (34), the connecting rod (34) is rotatably arranged on base plate (31b) and can rotate in the horizontal direction；
Clamp (36), the clamp (36) is rotatably arranged on base 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 outside of the main spring assembly (38a) is arranged with limit spring (38c), the main spring (38), spacing bullet
Spring (38c) is in compressive state, and the main spring assembly (38a) originates in base 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 snap in steel bead groove (23)；
Top board (31a), the top board (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 board (31a), torsion spring (33) tool
There are the first free end (33a) that is adjacent and being above top board (31a), the second free end (33b), and under clamp (36) outside
3rd free end (33c) of Fang Yanshen, second free end (33b) is against magnetic valve (35) near 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 by 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.
2. the door closer with mercury structure according to claim 1, it is characterised in that：The connecting rod (34) is L-shaped, L
The connecting rod (34) of type is rotatably arranged on base plate (31b) with a release link (34a), the corner of the connecting rod (34),
The release link (34a) and the right-hand member clamping of clamp (36), the release link (34a) stretch out the base plate (31b), described flexible
Back-moving spring (35b), the elastic force of the elastic force more than back-moving spring (35b) of the main spring (38) are provided with bar (35a).
3. the door closer with mercury structure according to claim 2, it is characterised in that：Release link (34a) top tool
There are reset pole (34b), the right-hand member of the clamp (36) and reset strut ends (34c) clamping of reset pole (34b), it is described multiple
Position pole (34b) terminates at base plate (31b) top.
4. the door closer with mercury structure according to claim 2, 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) central shaft with main spring (38) is parallel, the auxiliary spring (39) in relaxed state, the compressed institute of main spring (38)
Elastic force of the elastic force of generation more than the auxiliary spring (39) in relaxed state.
5. the door closer with mercury structure according to claim 3, it is characterised in that：The right-hand member of the clamp (36) has
Stepped draw-in groove (36b), the stepped draw-in groove (36b) include external draw-in groove (36c) from outside to inside, it is interior connect draw-in groove (36d),
The reset strut ends (34c) of the reset pole (34b) are connected in external draw-in groove (36c).
6. the door closer with mercury structure according to claim 2, 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 base plate (31b) and is 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, is provided with connecting rod draw-in groove (37d), the end part of the main spring assembly (38a) on the outside of the connecting rod (37)
It is fastened in connecting rod draw-in groove (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 with mercury structure according to claim 1, it is characterised in that：The first support arm (10) is including 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 with mercury structure according to claim 7, it is characterised in that：Open main support arm (11) upper surface
Bar-shaped trough (14) is provided with, several adjustment holes that can be threadedly coupled with the bolt (13) are provided with the secondary support arm (12)
(15), described several adjustment holes (15) are 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 true CN106837039A (en) | 2017-06-13 |
| CN106837039B CN106837039B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710069684.4A Active CN106837039B (en) | 2017-02-08 | 2017-02-08 | Door closer with mercury structure |
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| Country | Link |
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| CN (1) | CN106837039B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440059A (en) * | 2021-07-17 | 2021-09-28 | 深圳市海川伟业科技有限公司 | Adjustable intelligent sweeper battery protection device |
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| KR20100117930A (en) * | 2009-04-27 | 2010-11-04 | 유병규 | Fire door closer |
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| 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 |
| JP2015147660A (en) * | 2014-02-07 | 2015-08-20 | 三機工業株式会社 | conveyor line |
| 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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| KR20100117930A (en) * | 2009-04-27 | 2010-11-04 | 유병규 | Fire door closer |
| 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 |
| JP2015147660A (en) * | 2014-02-07 | 2015-08-20 | 三機工業株式会社 | conveyor line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113440059A (en) * | 2021-07-17 | 2021-09-28 | 深圳市海川伟业科技有限公司 | Adjustable intelligent sweeper battery protection device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106837039B (en) | 2018-03-16 |
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