CN106567636B - Open the door the door closer locked automatically - Google Patents
Open the door the door closer locked automatically Download PDFInfo
- Publication number
- CN106567636B CN106567636B CN201610989705.XA CN201610989705A CN106567636B CN 106567636 B CN106567636 B CN 106567636B CN 201610989705 A CN201610989705 A CN 201610989705A CN 106567636 B CN106567636 B CN 106567636B
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- China
- Prior art keywords
- sliding block
- door
- hole
- block
- door closer
- 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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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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/22—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide with braking, clamping or securing means in the guide
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- 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—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Abstract
The present invention provides a kind of door closer for opening the door and locking automatically, including guide rail, sliding block and sliding block lockable mechanism, groove layer and lower groove layer are offered on guide rail, sliding block is slidably mounted in groove layer, sliding block lockable mechanism is mounted on one end in lower groove layer, sliding block lockable mechanism includes mounting base and return block, and mounting base is fixedly mounted in lower groove layer, and mounting base has installation cavity；Return block is mounted in installation cavity, return block includes sliding block screens end, contact seat bearing end and the linking arm that will contact seat bearing end, sliding block screens end is connected, it is hinged by linking arm and mounting base so that contact seat bearing end, sliding block screens end are swung around the hinged place of linking arm in installation cavity.Door closer of the present invention contacts after compressing sliding block screens end by sliding block far from one end of linking arm and puts on seat bearing end and stop that sliding block moves back, and so can automatically realize that door closer locks door automatically behind the door in opening.
Description
Technical field
The present invention relates to fire-fighting equipment technical fields, and in particular to a kind of fire resistant doorsets for passageway for fire apparatus can be certainly after opening
The door closer of dynamic locking.
Background technology
In order to improve security against fire, the building building of the densely populated places such as office building, residential building generally can all be provided with fire-fighting and lead to
Road, using the channel evacuated as implementation rescue and trapped person when fire behavior occurs.Passageway for fire apparatus can all be provided with fire resistant doorsets knot
Structure, by closing fire resistant doorsets, can prevent dense smoke from entering passageway for fire apparatus after fire resistant doorsets main function is that fire occurs.In general,
When dense smoke enters passageway for fire apparatus, fire resistant doorsets can be automatically closed, and fire resistant doorsets are automatically closed mainly through hydraulic press and door closer
Collective effect is realized.As shown in Figure 1 and Figure 2, common Fireproof door structure, door closer 1 are mounted on doorframe, and hydraulic press 2 is installed
On fire resistant doorsets, the both ends of the arm of force 3 are respectively hinged at door closer 1 on hydraulic press 2, and hydraulic press 2 maintains to provide to the work of door closer 1
Power makes fire resistant doorsets maintenance have closing trend.In usual state, fire resistant doorsets are in an open state, and under this state, the arm of force 3 is hinged
In the lockable mechanism that one end of door closer 1 is held in 1 one end of door closer, when there is fire behavior, smoke sensor senses
To smoke signal, door closer 1 is transmitted signals to, the lockable mechanism on door closer 1 releases the locking to 3 one end of the arm of force, then power
Arm 3 slides into the other end under the action of hinged end on door closer 1 is in hydraulic press 2 from one end on door closer 1, realizes fire prevention
Door is automatically closed.When existing door closer generally may be implemented in fire behavior door be automatically closed, however, existing fire resistant doorsets are beaten
When opening, after opening to the predetermined angle that pushes, door closer is unable to automatic locking, needs manually to support upwards pre- on door closer
If supporting locking position, locking of the door closer to fire resistant doorsets could be realized.Such as institute in existing patent application 201610006522.1
In disclosed fire resistant doorsets door closer, due to not illustrating in detail to technical solution and principle in specification, people in the art
Member cannot still know how the locking to sliding equipment 3 when realization is opened the door according to recorded content.It further pushes away with reference to the accompanying drawings
Survey, due to setting limited position mechanism card give up 6-4 contact seat top surface offer the groove for fastening, it can be understood as, by
Groove is arranged in the top surface position-limit mechanism card She6-4Chu for contacting seat, and when opening fire resistant doorsets, sliding equipment 3 slides into position-limit mechanism
Block She6-4Chu, 3 bottom surface of sliding equipment slides into equipped with holding section in the groove of position-limit mechanism card She6-4Chu, then by with hand
The position-limit mechanism connecting rod 6-7 of upward top pressure return block so that the groove and skate machine of contact seat top surface position-limit mechanism card She6-4Chu
The holding section of 3 bottom surface of structure fastens, to, sliding equipment 3 cannot return under the action of hydraulic press (diagram door closer main body 10),
In this way, realizing the locking after fire resistant doorsets opening.However, this mode is manual manner, the degree of automation is not high, has encountering
Personnel be ignorant of fire resistant doorsets open when this how locking when, then be difficult to door being maintained open state, many times the door of passageway for fire apparatus
It is to close, causes fire prevention hidden danger, and by way of supporting be maintained open upwards, it is operationally not convenient.In addition, at this
Mention that " the first wiring mechanism 1 closes door mechanism 2 is electrically connected in place with described, described in patent application 201610006522.1
The switch control terminal for closing door mechanism 2 in place is electrically connected by double stretching diminishing line with described control unit 5, described control unit 5
Control port is electrically connected with the limit executing agency 6, the limit executing agency 6 by double stretching diminishing line with connect described in second
Line mechanism 1 is electrically connected ".The electric connection structure of entire scheme is complicated, and double stretching diminishing line is all made of in electric connection structure so that
Door closer complicated integral structure is unfavorable for door closer assembly.
Invention content
In view of the above, it is necessary to provide a kind of fire resistant doorsets for passageway for fire apparatus by the present invention, are opened in fire resistant doorsets
The door closer that fire resistant doorsets can be locked automatically afterwards.
The present invention provides a kind of door closer for opening the door and locking automatically, including guide rail, sliding block and sliding block lockable mechanism, guide rail
On offer guide groove, guide groove includes upper groove layer and lower groove layer, and sliding block is slidably mounted in groove layer, sliding block lockable mechanism peace
One end in lower groove layer, automatically sliding block to be locked when door is opened to maintain the state after door opening,
Sliding block lockable mechanism includes mounting base, return block, contact holder assembly, elastic component, locking piece and electromagnet, installation
Seat is fixedly mounted in lower groove layer, and mounting base has installation cavity；
Return block is mounted in installation cavity, and return block includes sliding block screens end, contact seat bearing end and holds contact seat
Carry end, the linking arm that sliding block screens end is connected, it is hinged by linking arm and mounting base so that contact seat bearing end, sliding block card
Position end is swung around the hinged place of linking arm in installation cavity, and one end far from linking arm is provided with gear laminate on sliding block screens end,
It is formed with slope surface in gear laminate, gear laminate is pushed when being supported for sliding block cunning, contact seat bearing end is equipped with the contact holder assembly；
Elastic component is arranged in the bottom of gear laminate, to hold gear laminate；
Locking piece one end is hinged in installation cavity, and the relatively hinged one end of locking piece is formed with hook, in gear laminate
It is hooked after moving down and holds gear laminate；
Electromagnet is mounted in installation cavity, and electromagnet flexibly supports one end of the hook of locking piece, and is electrically exciting
Post-tensioning twist lock holds piece so that hook releases the locking to keeping off laminate；
When enabling, sliding block is slided after contacting holder assembly, and the front end of sliding block supports and push gear laminate, under sliding block screens end
Pendulum, contact seat are put on bearing end, and contact holder assembly protrudes from groove layer, and sliding block blocking is limited return.
Further, support carrier rail road is provided between the upper groove layer of the guide groove and lower groove layer, the lower surface of sliding block is water
Plane, sliding block are slidably mounted on support carrier rail road.
Further, the mounting base includes two side and is connected to the bottom wall for being located at side wall bottom end between two side,
The installation cavity is accordingly formed between two side, one end between two side is provided with circuit board connecting cross beam, the other end
It is provided with limit crossbeam, return block hinge hole and locking piece hinge hole are offered on side wall, return block hinge hole relatively opens up
Middle part in two side, for hinged return block, locking piece hinge hole is relatively opened in the neighbouring limit crossbeam of two side
One end bottom side limits for hingedly locking piece and is provided with limited post on crossbeam, limited to the stroke to sliding block.
Further, relatively vertical shift pilot hole, vertical shift pilot hole are relatively opened in two side on two side walls
One end of proximate circuitry plate connecting cross beam is the strip-shaped hole of longitudinal direction, for coordinating the contact holder assembly.
Further, it is provided with coupling hole in the middle part of the bottom wall, to affixed electromagnet, the connection of bottom wall proximate circuitry plate is horizontal
One end of beam opens up framed hole, to provide the bottom space of contact seat bearing end, is set on one end of limit crossbeam on bottom wall
It is equipped with affixed set, to affixed elastic component.
Further, the contact seat bearing end includes loading plate, and so that installation contacts holder assembly, one end of loading plate connects
Disposed in parallel two linking arms are connected to, and two linking arms have certain upward gradient with respect to loading plate.
Further, sliding block screens end includes two adjutage disposed in parallel and is integrally attached to two adjutage one end
Gear laminate, one end upper end respectively with two linking arms of two adjutages far from gear laminate be integrally connected, and gear laminate includes master
The side of body block and the wedge-shaped protrusion for being formed in main body block top, connected two adjutages of main body block is provided with scratching part, scratching part
Between two adjutages, and the surface of scratching part towards adjutage side is slope.
Further, the side taper pin of the locking piece extends to bottom surface, forms a bevel, the top surface for locking piece opens up
Have a link slot of U-shaped, locking on piece is formed with hook with respect to the top of the side of bevel, electromagnet include electromagnetism ontology and from
Telescopic rod is stretched out in electromagnetism ontology side, is arranged with spring on telescopic rod, offers connecting hole on telescopic rod, passed through by connecting pin
The connecting hole on the link slot and telescopic rod of piece is locked, locking piece is connected with telescopic rod.
In addition, it is necessary to provide a kind of Fireproof door structures with the door closer by the present invention.
A kind of Fireproof door structure, including the door closer, hydraulic press and the arm of force, the both ends of the arm of force are respectively articulated with to closing door
For device on hydraulic press, hydraulic press provides driving force effect on the arm of force.
Compared to the prior art, door closer of the present invention is by being arranged the sliding block lockable mechanism, sliding block lockable mechanism
Return block on setting gear laminate, gear laminate have slope surface supported for one end of sliding block, and push gear laminate, gear laminate move down
Afterwards, i.e., the sliding block screens end bottom, contact seat are put on bearing end, and roller protrusion is to sliding block blocking, after so realizing that fire resistant doorsets open the door
Automatic locking.
The preferred embodiments of the invention and advantage will be further described in conjunction with specific implementation mode.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, and following specific
Embodiment is used to explain the present invention together, but should not be construed as limiting the invention.In the accompanying drawings,
Status diagram when Fig. 1 is existing Fireproof door structure set for closing fireproof door；
Fig. 2 is status diagram when Fireproof door structure fire resistant doorsets shown in FIG. 1 are opened；
Fig. 3 is that Fireproof door structure provided in an embodiment of the present invention door closer and hydraulic press connection structure in door opening state are vertical
Body figure；
Fig. 4 is the exploded view of Fireproof door structure shown in Fig. 3；
Fig. 5 is the exploded view at another visual angle of Fireproof door structure shown in Fig. 3；
Fig. 6 is the exploded view of the sliding block lockable mechanism of present pre-ferred embodiments；
Fig. 7 is the stereogram of the return block of sliding block lockable mechanism shown in Fig. 6；
Fig. 8 is the exploded view of the return block of sliding block lockable mechanism shown in Fig. 6 and contact seat；
Fig. 9 is the stereogram of the contact seat of sliding block lockable mechanism shown in Fig. 6；
Figure 10 is the stereogram of the locking piece of sliding block lockable mechanism shown in Fig. 6；
Figure 11 is return block shown in Fig. 8 and the stereogram after contact seat assembly；
Figure 12 is the overall diagram of sliding block lockable mechanism shown in Fig. 6；
Figure 13 is the exploded view of the door closer of Fireproof door structure of the present invention；
Figure 14 is the stereogram of the door closer of Fireproof door structure of the present invention；
Figure 15 is the sliding block of door closer of the present invention has close-up sectional view in closed position；
Figure 16 is sectional view with partial enlargement of the sliding block in guide rail centre position of door closer of the present invention；
Figure 17 is sectional view with partial enlargement of the sliding block in open position of door closer of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Referring to Fig. 3, present pre-ferred embodiments provide a kind of Fireproof door structure, including door closer 100, hydraulic press 200
And the arm of force 300, the both ends of the arm of force 300 are respectively articulated with to door closer 100 and hydraulic press 200, hydraulic press 200 provides driving force
It acts on the arm of force 300 so that the arm of force 300 is hinged on one end on door closer and maintains to move to closing direction to door closer 100
Trend.State shown in Fig. 3 is that fire resistant doorsets are in the open state, and the arm of force 300 is hinged on one end on door closer 100 by closing door
Sliding block lockable mechanism locking on device 100.
Fig. 4, Fig. 5 are please referred to, door closer 100 includes guide rail 10, sliding block 20, sliding block lockable mechanism 30, electrical connection sense group
Part 40 and end cap 50.Guide groove is offered on guide rail 10, support carrier rail road 11 has been oppositely disposed on guide groove madial wall, by guide groove point
It is slidably mounted in groove layer 12 with and with the lower groove layer 13 that is connected to of upper groove layer 12, sliding block 20 for upper groove layer 12, sliding block
Lockable mechanism 30 is mounted on neighbouring guide groove one end in lower groove layer 13, and electrical connection inductive component 40 is mounted in lower groove layer 13 to feel
The position for surveying sliding block 20, to judge fire resistant doorsets in the state opened or closed, end cap 50 is two, is mounted on the two of guide rail 10
End.
Sliding block 20 is strip plate body, and width is corresponding with the width in upper groove layer 12, and 20 upper surface center of sliding block is equipped with
The lower surface of link bolt 21, sliding block 20 is horizontal plane, and sliding block 20 is slidably mounted in the upper groove layer 12 of guide rail 10, hinged
The upper groove layer 12 of the stretching of bolt 21 is exposed, with hinged, support carrier rail road 11 of the lower surface along 12 bottom surface of upper groove layer with one end of the arm of force 300
Sliding.
Sliding block lockable mechanism 30 is sliding automatically to lock sliding block 20 when door is pushed open to maintain the state after door opening
Block lockable mechanism 30 includes mounting base 31, return block 32, contact holder assembly 33, elastic component 34, locking piece 35 and electromagnet 36.
Referring to Fig. 6, mounting base 31 is the rectangular box structure of top end opening.Mounting base 31 include two side 311 and
It is connected to the bottom wall 312 for being located at side wall bottom end between two side 311, installation cavity is accordingly formed between two side 312, for pacifying
Reinstall a block 32, contact holder assembly 33, elastic component 34, locking piece 35 and electromagnet 36.One end setting between two side 312
There are circuit board connecting cross beam 313, the other end to be provided with limit crossbeam 314.Offered on side wall 311 return block hinge hole 3111,
Locking piece hinge hole 3112 and vertical shift pilot hole 3113, return block hinge hole 3111 are relatively opened in two side 311
Portion, for hinged return block 32, locking piece hinge hole 3112 is relatively opened in the neighbouring limit crossbeam 314 of two side 311
One end bottom side, for hingedly locking piece 35.Vertical shift pilot hole 3113 is relatively opened in the proximate circuitry plate connection of two side 311
One end of crossbeam 313 is the strip-shaped hole of longitudinal direction, for coordinating the contact holder assembly 33.In addition, for the ease of the past installation of component
The dress of intracavitary takes, and notch is relatively offered on two side 312.In the present embodiment, notch is rectangle, is located substantially at return block
Between hinge hole 3111 and locking piece hinge hole 3112.312 middle part of bottom wall is provided with coupling hole 3121, to affixed electromagnet
36, one end of 312 proximate circuitry plate connecting cross beam 313 of bottom wall opens up framed hole 3122, to provide the swing space of return block 32,
It is provided with affixed set 3123 on one end of the neighbouring limit crossbeam 314 of bottom wall 312, to affixed elastic component 34.Circuit board connection is horizontal
Beam 313 offers bolt apertures respectively on limit crossbeam 314, is fixed in lower groove layer 13 for mounting base 31 is spirally connected.Circuit
Plate connecting cross beam 313 is further opened with riveted holes, to be connect with circuit board mounting base.It is provided with limited post on limit crossbeam 314
3141, it is limited to the stroke to sliding block 20.
Referring to Fig. 7, return block 32 is including contact seat bearing end, sliding block screens end and will contact seat bearing end, sliding block
The linking arm 320 that screens end is connected.It includes carrying that seat bearing end, which is contacted, for carrying contact holder assembly 33, contact seat bearing end
Plate 321 offers pilot hole 3211 on loading plate 321, and so that installation contacts holder assembly 33, one end of loading plate 321 is connected with
Two linking arm 320 disposed in parallel, and two linking arms, 320 opposite loading plate 321 has certain upward gradient.It is sliding
Block screens end is used for when fire resistant doorsets are opened, and clamping sliding block 20 is held in sliding block screens end.Sliding block screens end includes parallel sets
Two adjutages 322 set and the gear laminate 323 for being integrally attached to two adjutages, 322 one end, two adjutages 322 are far from gear laminate
Upper end of 323 one end respectively with two linking arms 320 is integrally connected.Gear laminate 323 is including main body block and is formed in main body block
The side of the wedge-shaped protrusion on top, connected two adjutages 322 of main body block is provided with scratching part 3231, and scratching part 3231 prolongs positioned at two
Between semi-girder 322, and the surface of scratching part 3231 towards 322 side of adjutage is slope, in order to which scratching part 3231 moves down
It is held with locking 35 phase of piece hook.The surface of wedge-shaped protrusion two adjutages 322 of direction is slope surface 3232, the slope surface and main body block top surface shape
As acute angle, slope surface 3232 supports for sliding block 20 so that when 20 one end of sliding block cunning is supported to slope surface 3232, to push the cunning
Block screens end.Pin shaft hole 3201 is relatively offered on two linking arms 320, for the return block hinge hole in cooperation mounting base 31
3111 is hinged by an axis pin 3202 (shown in Fig. 8), return block 32 is rockably mounted in the installation cavity of mounting base 31, is made
Seat bearing end and sliding block screens end, which must be contacted, to be swung around axis pin 3202.
Fig. 8, Fig. 9 are please referred to, contact holder assembly 33 is used to flexibly be pressed against the loading plate 321 of return block 32, for
Sliding block 20 can lock sliding block 20 after slipping over contact holder assembly 33.Contact holder assembly 33 include contact shoe 331, return spring 332,
Gasket 333, connection bolt 334 and roller 335.Contact shoe 331 includes plate body 3311, is integrally attached to 3311 one end of plate body
Swing arm section 3312 and the protrusion section 3313 for being integrally attached to 3311 opposed swing arms section of plate body, 3312 one end.Plate body 3311 is in square
Shape plate body, the top surface of plate body 3311 offer stepped hole 3314, the hole of the aperture of 3314 upper end hole section of stepped hole compared with lower end hole section
Diameter is big, and lower end hole section penetrates through plate body 3311, and stepped hole 3314 is for installing the connection bolt 334.3312 opposite plate of swing arm section
3311 top surface of body has a down dip extension, and the end of swing arm section 3312 offers perforation 3315, so that the axis pin 3202 passes through, makes described
Contact shoe 331 is hinged on linking arm 320.The top surface protrusion of the plate body 3311 relatively of protrusion section 3313, protrusion section 3313 are substantially in
Prism-shaped is triangle in the section that the cross-wise direction of vertical axis pin 3202 is cut.Protrusion section 3313 is far from plate body 3311
Surface is formed as upper slope surface, and the surface of adjacent plate body 3311 is formed as Caused by Sloping Surfaces.The top of protrusion section 3313 offers roller slot
3316, for installing roller 335, the both ends of roller slot 3316 form supporting walls, circular hole are opened up on supporting walls, to support roller
335 both ends so that roller 335 can the rotation in roller slot 3316.Return spring 332 support 331 bottom surface of contact shoe with
Between loading plate 321, to provide the power to homing after the pushing of contact shoe 331, return spring 332 uses helical spring.Pad
Piece 333 is located to pad on loading plate 321, and to support the bottom end of return spring 332, through-hole is offered on gasket 333, for even
The end that is spirally connected of connecting bolt 334, which is passed into pilot hole 3211, to be spirally connected.Bolt 334 is connected to be used for return spring 332 fixedly
Mounted on 331 lower end of contact shoe.It includes nut section and the diameter stud section small compared with nut section to connect bolt 334, stud section it is straight
Diameter is suitable with the diameter of 3314 lower end hole section of stepped hole.When connecting the installation of bolt 334, stud section passes through stepped hole 3314, return
Through-hole on spring 332 and gasket 333, the pilot hole 3211 entered on loading plate 321 are spirally connected, and nut section is accommodated in ladder
In the upper end hole section in hole 3314.In this way, return spring 332 is stably installed between 331 lower surface of gasket 333 and contact shoe,
There is provided on contact shoe 331 to hold elastic force, contact shoe 331 can be moved down along stud section under external force, external force disappear
Afterwards, contact shoe 331 returns back to original position under the effect of return spring 332.Roller 335 is installed in rotation on the roller of protrusion section 3313
In race, after sliding block 20 slides to the upper slope surface of protrusion section 3313, when slipping over roller 335 after pushing contact shoe 331, pass through roller
335 rotations can reduce the friction of sliding block 20, and sliding block 20 is assisted to slip over the sliding block screens end that protrusion section 3313 enters return block 32.It can
To understand, roller 335 can be set on axis body for cylinder and be formed.Further, the bottom surface of protrusion section 3313 has been integrally connected
What is extended downward vertically moves down limit section 3317, moves down limit section 3317 for coordinating spacer pin to limit under contact shoe 331
Migrate journey.Specifically, it moves down and offers limit axis hole 3318 in limit section 3317, spacer pin passes through 31 side wall 311 of mounting base
Vertical shift pilot hole 3113 and move down limit section 3317 limit axis hole 3318 after, spacer pin can be moved along vertical shift pilot hole 3113
It is dynamic, it is arranged by the aperture of the upper and lower directions of vertical shift pilot hole 3113, to limit the lifting travel of spacer pin, so to limit
The shift motion of the upper and lower directions of contact shoe 331.
34 bottom end of elastic component is mounted on the affixed set 3123 of 31 bottom wall 312 of mounting base, and top is supported to be kept off in return block 32
The bottom surface of briquetting 323 is put on the sliding block screens end to flexibly support return block 32.In the present embodiment, elastic component 34 uses spiral
Compressed spring, it will be understood that the bottom of gear 323 main body block of briquetting is provided with sleeved part (not shown) and the top of elastic component 34 is matched
It closes, installs and stablize in favor of elastic component 34.
Fig. 5, Figure 10 are please referred to, locking piece 35 is used to after the sliding block screens end bottom of return block 32 lock gear briquetting 323
It holds, the sliding block screens end to limit return block 32 is upper under the action of 34 elastic force of elastic component to put.Lock piece 35 generally rectangular shaped
Shape.The side of locking piece 35 is obliquely extended to bottom surface, forms a bevel 351, and bevel 351 is used for when locking the swing of piece 35
It will not interfere with the bottom wall 312 of mounting base 31.The top surface of locking piece 35 offers the link slot 352 of U-shaped, is used for and electromagnet 36
It is connected.Top on locking piece 35 with respect to the side of bevel 351 is formed with hook 353, for the sliding block with return block 31
Scratching part 3231 in the gear laminate 323 at screens end matches, and when scratching part 3231 slides into below hook 353, prevents gear
Laminate 323 moves up, to prevent to be put on sliding block screens end.The bottom end side of the side of the opposite bevel 351 of locking piece 35, which is stretched, to be had
Hinge eyes 354 are worn for coordinating with the locking piece hinge hole 3112 on 31 two side 311 of mounting base by locking piece swivel pin
The hinge eyes 354 for crossing the locking piece hinge hole 3112 and locking piece 35 on two side 311, installation is hinged on to lock piece 35
In the installation cavity of seat 31, locking piece 35 can be around locking piece swivel pin rotation.
For electromagnet 36 for pulling locking piece 35 to be rotated around swivel pin, electromagnet 36 includes electromagnetism ontology 361 and from electromagnetism
Telescopic rod 362 is stretched out in 361 side of ontology.It is arranged with spring on telescopic rod 362, to flexibly support telescopic rod 362 with respect to electromagnetism sheet
Body 361 flexibly stretches out, and is only acted when electromagnetism ontology 361 receives instruction, and telescopic rod 362 is retracted, to spring into one
Step compression.Connecting hole is offered on telescopic rod 362, for coordinating the link slot 352 on locking piece 35, connecting pin is provided and passes through lock
The link slot 352 and the connecting hole on telescopic rod 362 for holding piece 35, locking piece 35 are connected with telescopic rod 362, in usual shape
State, telescopic rod 362 are stretching state, and the pushing and pressing locking piece 35 of telescopic rod 362 is erecting state, when the driving of electromagnetism ontology 361 is flexible
When bar 362 is retracted, then telescopic rod 362 pulls locking piece 35 to be swung around swivel pin.
1,12 are please referred to Fig.1, when sliding block lockable mechanism 30 is installed, elastic component 34 is mounted on to the affixed set of mounting base 31
On 3123, by the installation to installation cavity of return block 32, the sliding block screens end of return block 32 is mounted on the one of neighbouring limit crossbeam 314
End, the contact seat bearing end of return block 32 are mounted on one end of proximate circuitry plate connecting cross beam 313, and contact seat bearing end lower section is right
It answers 3122 region of frame hole of bottom wall 312, elastic component 34 to support sliding block screens end, contact holder assembly 33 is then assembled to return block
On 32 loading plate 321, first roller 335 is installed in rotation in the roller slot of protrusion section 3313, then connects bolt 334
Stud section passes through the through-hole on the stepped hole 3314, return spring 332 and gasket 333 of 331 plate body 3311 of contact shoe, enters to
Pilot hole 3211 on loading plate 321 is spirally connected.Then provide axis pin 3202 pass through mounting base on return block hinge hole 3111, even
The perforation 3315 of 3312 end of pin shaft hole 3201 and swing arm section of arm 320 is connect, to which return block 32 is hinged on mounting base 31
Interior and contact shoe 331 is hinged on return block 31.The vertical shift pilot hole 3113 that one spacer pin 3133 passes through mounting base 31 is provided
The limit axis hole in limit section 3317 is moved down with contact shoe 331, to limit oscillating stroke of the contact shoe 331 around axis pin 3202.
The hinge eyes for providing locking piece hinge hole 3112 and locking piece 35 that a locking piece swivel pin passes through on two side 311, will lock
Piece 35 is hinged in the installation cavity of mounting base 31.By electromagnet 36 be placed in installation cavity in, electromagnet 36 pass through two adjutages 322 it
Between gap, the bottom end of electromagnet 36 coordinates coupling hole 3121 affixed by affixed nail.One connecting pin is provided and passes through electromagnet 36
Telescopic rod 362 on connecting hole with locking piece 35 link slot 352, will locking piece 35 be connected with telescopic rod 362.Lock piece
35 hook 353 can be pressed together on return block 32 and keep off on the scratching part 3231 of laminate 323 so that the sliding block screens of return block 31 is brought out
State is maintained after the bottom.In this way, the assembly of sliding block lockable mechanism 30 is completed.
It is electrically connected inductive component 40 to be mounted in the lower groove layer 13 of guide rail 10, reality is played for the sliding position to sliding block 20
When sensing monitoring effect.It includes main circuit board component 41, shutdown state inductive component 42, enabling shape to be electrically connected inductive component 40
State induction pieces 43 and power supply terminal 44.Main circuit board component 41 includes main circuit panel seat 411 and main circuit board 412, master
Circuit panel seat 411 by rivet interlacement in one end of mounting base 31, specifically, by having circuit board connection horizontal in mounting base 31
One end of beam 313 opens up inferior end notch, and one end of main circuit panel seat 411 is inserted in inferior end notch, then passes through rivet riveting
Enter and rivets one end of connecting cross beam 313 and main circuit board 411.Main circuit board 412 is mounted on main circuit panel seat 411, main
Circuit board 411 is electrically connected electromagnet 36, shutdown state inductive component 42 and door opening state induction pieces 43.
Shutdown state inductive component 42 is used to sense signal when sliding block 20 slides into shutdown position, and fire resistant doorsets are being closed the door
The signal of state sends main circuit board 412 to, and main circuit board 412 transmits signals to fire fighting monitoring center (not shown).It closes the door
State inductive component 42 includes shutdown status circuit panel seat 421, shutdown status circuit plate 422 and shutdown status contacts switch
423, shutdown status circuit panel seat 421 is fixedly mounted in the lower groove layer 13 of guide rail 10 and far from one end of mounting base 31, closes
Door state circuit panel seat 421 includes mainboard and two support side plates for being supported on mainboard bottom both ends, and mainboard offers on upper surface
The slit of bottom surface is penetrated through, mainboard top surface is additionally provided with button cap 4211.Shutdown status circuit plate 422 is mounted on shutdown status circuit plate
On seat 421 main circuit board 412 is electrically connected between two support side plates, and by electric wire.Shutdown status circuit plate 422
On be provided with promptly by compressing switch 4221,, can by pressing promptly by compressing switch 4221 to prevent in 36 start failure protection of electromagnet
Realize being automatically closed for fire resistant doorsets.Shutdown status contacts switch 423 is mounted on shutdown status circuit plate 422, for sensing
For sliding block 20 in shutdown position, shutdown status contacts switch 423 can be Photoinduction type switch or touch switch, be to connect in the present embodiment
Touch switches.423 flexible contact chip of shutdown status contacts switch, is sensed by contact slipper 20.In shutdown state electricity
After in the installation to shutdown status circuit panel seat 421 of road plate 422, the contact chip of shutdown status contacts switch 423 is stretched from slit
Enter to the upper groove layer 12 of guide rail 10, can be compressed by sliding block 20 when sliding block 20 slides to, and closes the door on status circuit plate 422
It is urgent 4221 be inserted in button cap 4211 by compressing switch, button cap 4211 stretches in groove layer 12, passes through pressing keys
Cap 4211, it can be achieved that close the door, button cap 4211 is protruded out in one end of upper groove layer 12, while can be played in time manually under the state of emergency
The position-limiting action at the end is slided to sliding block 20, anti-limited slip block 20 skids off guide rail 10.
For door opening state induction pieces 43 for sensing sliding block 20 in the position of enabling, door opening state induction pieces 43 can be Photoinduction type
Switch or touch switch, door opening state induction pieces 43 use touch switch, flexible contact chip in the present embodiment.It opens
Door state induction pieces 43 are mounted on the top surface of the affixed set 3123 in mounting base 31, and there are gaps will not stop elastic component 34
In the affixed set 3123 to bottom, while door opening state induction pieces 43 are electrically connected by electric wire and main circuit board 412.Peace
Contact chip mounted in the door opening state induction pieces 43 of affixed set 3123 is upward, is supported by 323 bottom surface of gear laminate with return block 32
It touches to perceive whether sliding block 20 slides into sliding block screens end, when 323 bottom surface of gear laminate compresses the contact of door opening state induction pieces 43
When piece, i.e., sliding block 20 has been pressed against in gear laminate 323, i.e., sliding block 20 is in sliding block screens end, and fire resistant doorsets are in door opening state, no
Then 323 bottom surface of blocking body is not in contact with the contact chip of door opening state induction pieces 43, and fire resistant doorsets are not in door opening state.
Power connector end 44 is connected with external circuit for will be electrically connected inductive component 40, power connector end 44 and
External power supply is electrically connected, and power connector end 44 electrically connects main circuit board 412.For the ease of being connect with external power supply,
Power connector end 44 is mounted in the end cap of 10 one end of guide rail, also, is installed in lower groove layer 13 for the ease of electric wire, this reality
It applies in example, power connector end 44 is mounted in the end cap 50 of the adjacent side of return block, then by being wired to enabling shape
State induction pieces 43, door opening state induction pieces 43 are connected by being wired to main circuit board 412, main circuit board 412 by electric wire
To shutdown status contacts switch 423, closed state contact switch 423 is mounted on shutdown status circuit plate 422, with shutdown state
Circuit board 422 is conducted.In this way, electric wire is distributed in vertical bar shape, convenient for being installed in lower slot, further, for the ease of electric wire
When mounted flexible, electric wire can be used helically mode and connect up.Door closer disclosed in this invention, electric wire is without double drawings
Flexible line apparatus, and electric wire, without being all connected at the end cap for being respectively connected to both ends, entire circuit connection is simple in structure.
The both sides of end cap 50 offer installation guide groove 51, when in installation to the guide rail 10 and support carrier rail road 11 of guide rail
Cooperation.
3,14 are please referred to Fig.1, when door closer 100 is installed, sliding block 20 is mounted on to the upper groove layer 12 of guide rail 10, sliding block is locked
Locking mechanism 30, electrical connection inductive component 40 are mounted on the lower groove layer 13 of guide rail 10, and end cap 50 is mounted on to the both ends of guide rail 10.Such as
This, sliding block 20 is slidably mounted in groove layer 12, and sliding block 20 passes through the limited post in 10 one end mounting base 31 of guide rail
3141 with 10 other end button cap of guide rail, 4211 blocking, without being skidded off from upper groove layer 12.
5 to 17 are please referred to Fig.1, is shown from fire prevention door closure state to fire resistant doorsets opening state, sliding block 20 is in track 10
On motion process in door closer 100 schematic cross-section.In Figure 15, fire resistant doorsets are now in closed state, and sliding block 20 is located at
One end of the shutdown state inductive component 42 of door closer 100, one end and the button cap 4211 of sliding block 20 support (to be acted in hydraulic press
Under), the bottom of sliding block 20 presses the contact chip of the shutdown status contacts switch 423, to which main circuit board 412 can receive cunning
Block 20 and is transmitted to fire fighting monitoring center (not shown) in the position signal of shutdown state.At this point, in conjunction with refering to fig. 16, sliding block
The state of lockable mechanism 30 is that the sliding block screens end of return block 32 is held by the elastic component 34, put on sliding block screens end to
The contact seat bearing end of preset height, return block 32 is compressed to the frame hole 3122 of mounting base, at this point, the gear laminate of return block 32
The hook 353 of 323 scratching part 3231 and locking piece 35 is in disengaged position, and the telescopic rod 362 of electromagnet 36, which is in, stretches out shape
State, and piece 35 will be locked and supported the state that erects (corresponding to the state held with 3231 phase of scratching part hook), lock the extension of piece 35
It hooks 353 and supports the bottom for being affixed on scratching part 3231.The spacer pin 3133 of contact shoe 331 supports on the top of vertical shift pilot hole 3113,
Roller 335 relatively above slightly protrude by groove layer 12.
It pushes when opening fire exit door, external thrust on the door overcomes the power for maintaining shutdown direction of hydraulic press, fire exit door to exist
It is opened under the action of external force, sliding block 20 slides into the sliding block screens end of return block 32 along upper groove layer 12, when being moved to contact shoe 331
Protrusion section 3313 when, then 20 lower push protrusion section 3313 of sliding block slides on roller 335 and pushes roller 335, roller 335
Sliding block 20 is assisted to slide into sliding block screens end.As sliding block 20 slides, fire resistant doorsets are opened completely, and sliding block 20 slides into return block 32
Gear laminate 323 on, the slope surface 3232 of one end of sliding block 20 and gear laminate 323 offsets and pushes gear laminate 323, keeps off laminate
323 move down, and gear 323 scratching part 3231 of laminate, which squeezes, supports locking piece 35, and the telescopic rod 362 of electromagnet 36 is compressed, and please refers to Fig.1 7,
After gear laminate 323 moves down certain distance, the hook 353 of locking piece 35 is caught in gear 323 scratching part 3231 of laminate, telescopic rod 362
It stretches out, in this way, locking piece 35 is locked laminate 323 is kept off, and prevents the sliding block screens end of return block under the action of elastic component 34
Upper pendulum.When gear laminate 323 moves down, i.e., the sliding block screens end bottom, contact seat bearing end correspondingly upper will be put, and contact holder assembly 33
Roller 335 move up and protrude out in upper groove layer 12, in this way, block sliding block 20 the power of the maintenance shutdown state of hydraulic press work
Roller 335 is slipped under, sliding block 20 limits in the sliding block screens end of return block 32, in this way, when opening fire exit door, it can be automatic
Ground is realized after opening to the locking of fire exit door, and the state of checking card of fire exit door is maintained, at this point, gear laminate 323 compresses door opening state
Induction pieces 43, fire fighting monitoring center can real-time awareness fire exit door be in door opening state.
When there is fire-fighting dangerous situation, external smoke sensing sensor senses after dense smoke enters passageway for fire apparatus, then transmits pass
Gate signal to main circuit board 412, main circuit board 412 sends out actuating signal to electromagnet 36, and electromagnet 36 acts, electromagnet 36
Telescopic rod 362 is retracted and is stretched out under the action of the spring, and hook 353 and the gear laminate 323 of piece 35 are locked when telescopic rod 362 is retracted
Scratching part 3231 be separated, gear laminate 323 upper bullet under the action of elastic component 34, in this way, the sliding block screens end of return block 32
Upper pendulum, the contact seat bearing end bottom of return block 32, the relatively upper groove layer 12 of roller 335 decline, effect of the sliding block 20 in hydraulic press
It is lower to pass through roller 335, it slides onto one end of the shutdown state inductive component 42 of track 10 and is 4211 blocking of button cap, prevent
Sliding block 20 skids off guide rail 10.The shutdown status contacts switch 423 of shutdown state inductive component 42 is compressed, fire fighting monitoring center can be real
Shi Zhixiao fire exit doors are in door opening state.
When smoke sensor failure needs promptly to close, then only need Manual press promptly by compressing switch 4221, promptly
4221 main circuit board 412 is sent a signal to by compressing switch, and main circuit board 412 indicates that electromagnet 36 acts, to discharge locking piece
The lockings of 36 pairs of gear laminates 323, put on the sliding block screens end of return block 32, the contact seat bearing end bottom of return block 32, sliding block
20 slip over the closing that roller 335 realizes fire resistant doorsets.
To sum up, door closer of the present invention is by being arranged the sliding block lockable mechanism 30, the return block 32 of sliding block lockable mechanism 30
Upper setting keeps off laminate 323, and gear laminate 323 has slope surface 3232 so that one end of sliding block 20 supports, and pushes gear laminate 323, gear
After laminate 323 moves down, i.e., the sliding block screens end bottom, contact seat are put on bearing end, and 335 protrusion of roller is to 20 blocking of sliding block, so
Realize the automatic locking after fire resistant doorsets open the door.It, can by the way that protrusion section 3313 is arranged in 3311 top surface of plate body of contact holder assembly 33
Steadily blocking sliding block 20, and limit section 3317 is moved down in the setting of the bottom surface of plate body 3311, contact seat can be efficiently controlled and held
The space put on end is carried, sliding block is slided through roller 335 when preventing excessively upper pendulum and being unfavorable for opening the door.In addition, electrical connection inductive component
In 40 by by the setting of main circuit board 412 at the middle part of guide rail 10, at the both ends of guide rail 10 setting shutdown state inductive component 42, open
The power supply terminal 44 in end cap 50 at one end is installed in door state induction pieces 43, the connection of door opening state induction pieces 43, and circuit connects
It connects simply, can accurately incude the state of enabling or shutdown in real time.
Without departing from the thought of the invention, arbitrary combination is carried out to the various different embodiments of the present invention, it should all
When being considered as present disclosure；Within the scope of the technical concept of the present invention, a variety of simple modifications are carried out to technical solution
And the arbitrary combination of the thought without prejudice to the invention that different embodiments carry out, should all protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of door closer (100) locked automatically that opens the door, including guide rail (10), sliding block (20) and sliding block lockable mechanism
(30), guide groove is offered on guide rail (10), guide groove includes upper groove layer (12) and lower groove layer (13), and sliding block (20) is slidably mounted
In the upper groove layer (12), sliding block lockable mechanism (30) is mounted on one end in lower groove layer (13), to when door is opened automatically
Sliding block (20) is locked to maintain the state after door opening, it is characterised in that：
Sliding block lockable mechanism (30) includes mounting base (31), return block (32), contact holder assembly (33), elastic component (34), locking
Piece (35) and electromagnet (36), mounting base (31) are fixedly mounted in lower groove layer (13), and mounting base (31) has installation cavity；
Return block (32) is mounted in installation cavity, and return block (32) includes sliding block screens end, contact seat bearing end and will contact
The linking arm (320) that seat bearing end, sliding block screens end are connected, it is hinged by linking arm (320) and mounting base (31) so as to connect
Touch base bearing end, sliding block screens end are swung around the hinged place of linking arm (320) in installation cavity, far from connection on sliding block screens end
One end of arm (320) is provided with gear laminate (323), and slope surface (3232) is formed in gear laminate (323), so that sliding block (20) cunning is supported
When push gear laminate (323), contact seat bearing end is equipped with the contact holder assembly (33)；
Elastic component (34) setting is in the bottom of gear laminate (323), to hold gear laminate (323)；
Locking piece (35) one end is hinged in installation cavity, and the relatively hinged one end of locking piece (35) is formed with hook (353), for
It is hooked after gear laminate (323) moves down and holds gear laminate (323)；
Electromagnet (36) is mounted in installation cavity, and electromagnet (36) flexibly supports one end of the hook (353) of locking piece (35),
And hold piece (35) in electrically excitation post-tensioning twist lock so that hook (353) releases the locking to gear laminate (323)；
When enabling, sliding block (20) is sliding after contact holder assembly (33), and the front end of sliding block (20) supports and push gear laminate (323),
The sliding block screens end bottom, contact seat are put on bearing end, and contact holder assembly (33) protrudes from groove layer (12), and sliding block (20) are kept off
It holds and limits return；
The mounting base (31) includes two side (311), and two side walls (311) are equipped with relatively vertical shift pilot hole
(3113), vertical shift pilot hole (3113) is longitudinal strip-shaped hole, for coordinating the contact holder assembly (33), the contact seat to hold
It includes loading plate (321) to carry end, and for installation contact holder assembly (33), one end of loading plate (321) is connected with disposed in parallel
Two linking arms (320), and two linking arms (320) have certain upward gradient, loading plate with respect to loading plate (321)
(321) pilot hole (3211) is offered on；
Contact holder assembly (33) includes contact shoe (331), return spring (332), gasket (333), connection bolt (334) and roller
It takes turns (335), return spring (332) supports between contact shoe (331) bottom surface and loading plate (321), to provide to contact shoe
(331) power of homing after pushing, gasket (333) is located to pad on loading plate (321), to support return spring (332)
Bottom end, gasket offers through-hole on (333), so that the end that is spirally connected of connection bolt (334) is passed into pilot hole (3211)
It is spirally connected；
Contact shoe (331) includes plate body (3311), is integrally attached to the swing arm section (3312) and one of plate body (3311) one end
It is connected to the protrusion section (3313) of plate body (3311) opposed swing arms section (3312) one end, roller (335) is installed in rotation on prominent
Rise section (3313) roller slot in, the bottom surface of protrusion section (3313) be integrally connected extend downward vertically move down limit section
(3317), it moves down and offers limit axis hole (3318) in limit section (3317)；
One spacer pin (3133) passes through the vertical shift pilot hole (3113) of mounting base (31) side wall (311) and moves down limit section
(3317) limit axis hole (3318), and spacer pin (3133) can be mobile along vertical shift pilot hole (3113), is oriented to by vertical shift
The aperture of the upper and lower directions in hole (3113) is arranged, to limit the lifting travel of spacer pin (3133), to limit contact shoe (331)
Upper and lower directions shift motion.
2. the door closer (100) according to claim 1 that lock automatically that opens the door, it is characterised in that：The upper slot of the guide groove
Support carrier rail road (11) is provided between layer (12) and lower groove layer (13), the lower surface of sliding block (20) is horizontal plane, and sliding block (20) can
It is slidably mounted in support carrier rail road (11).
3. the door closer (100) according to claim 1 that lock automatically that opens the door, it is characterised in that：The mounting base (31)
Including two side (311) and be connected to and be located at the bottom wall (312) of side wall bottom end between two side (311), two side (312) it
Between be accordingly formed with the installation cavity, one end between two side (312) is provided with circuit board connecting cross beam (313), another
End is provided with limit crossbeam (314), and return block hinge hole (3111) and locking piece hinge hole are offered on side wall (311)
(3112), return block hinge hole (3111) is relatively opened in the middle part of two side (311), for hinged return block (32), lock
One end bottom side that piece hinge hole (3112) is relatively opened in the neighbouring limit crossbeam (314) of two side (311) is held, for hinged
Piece (35) is locked, limited post (3141) is provided on limit crossbeam (314), is limited to the stroke to sliding block (20).
4. the door closer (100) according to claim 3 that lock automatically that opens the door, it is characterised in that：In the bottom wall (312)
Portion is provided with coupling hole (3121), to affixed electromagnet (36), the one of bottom wall (312) proximate circuitry plate connecting cross beam (313)
End opens up framed hole (3122), with the bottom space of offer contact seat bearing end, neighbouring limit crossbeam (314) on bottom wall (312)
One end on be provided with affixed set (3123), to affixed elastic component (34).
5. the door closer (100) according to claim 1 that lock automatically that opens the door, it is characterised in that：Sliding block screens end
Including two adjutage (322) disposed in parallel and it is integrally attached to the gear laminate (323) of two adjutages (322) one end, two extend
Upper end of the one end of arm (322) far from gear laminate (323) respectively with two linking arms (320) is integrally connected, and gear laminate (323) is wrapped
It includes main body block and is formed in the wedge-shaped protrusion on main body block top, the side of connected two adjutages (322) of main body block is provided with hook and holds
Portion (3231), scratching part (3231) is between two adjutages (322), and scratching part (3231) is towards adjutage (322) side
Surface be slope.
6. the door closer (100) according to claim 1 that lock automatically that opens the door, it is characterised in that：The locking piece (35)
Side taper pin extend to bottom surface, form a bevel (351), the top surface of locking piece (35) offers the link slot of U-shaped
(352), it is formed with hook (353) with respect to the top of the side of bevel (351) on locking piece (35), electromagnet (36) includes electricity
Magnetic ontology (361) and telescopic rod (362) is stretched out from electromagnetism ontology (361) side, telescopic rod is arranged with spring on (362), stretches
Bar offers connecting hole on (362), is passed through on link slot (352) and the telescopic rod (362) of locking piece (35) by connecting pin
Locking piece (35) is connected by connecting hole with telescopic rod (362).
7. a kind of Fireproof door structure, including door closer, hydraulic press (200) and the arm of force (300), the both ends difference of the arm of force (300)
It is hinged on door closer (100) and hydraulic press (200), hydraulic press (200) provides driving force effect on the arm of force (300), special
Sign is：The door closer (100) that the door closer is locked automatically using the enabling of claim 1 to 6 any one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610989705.XA CN106567636B (en) | 2016-11-10 | 2016-11-10 | Open the door the door closer locked automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610989705.XA CN106567636B (en) | 2016-11-10 | 2016-11-10 | Open the door the door closer locked automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106567636A CN106567636A (en) | 2017-04-19 |
| CN106567636B true CN106567636B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610989705.XA Active CN106567636B (en) | 2016-11-10 | 2016-11-10 | Open the door the door closer locked automatically |
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| CN (1) | CN106567636B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227907B (en) * | 2017-07-31 | 2019-02-05 | 广州市禹成消防科技有限公司 | Energy conservation and the door closer and fire prevention door drive mechanism for improving durability |
| CN107327241B (en) * | 2017-08-11 | 2023-03-24 | 上海冉能自动化科技有限公司 | Door closing device |
| CN108981305A (en) * | 2018-06-29 | 2018-12-11 | 苏州市金翔钛设备有限公司 | Drying unit for powder material |
| CN113107300A (en) * | 2021-05-20 | 2021-07-13 | 深圳市泛海三江电子股份有限公司 | Automatic limiting unit of electric door closer |
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| DE4440571A1 (en) * | 1994-11-12 | 1996-05-15 | Geze Gmbh & Co | Door locking system |
| DE19901773A1 (en) * | 1998-01-30 | 1999-08-05 | Geze Grundstueck Beteiligung | Locking device for a door provided with a door closer |
| CN105401826A (en) * | 2016-01-06 | 2016-03-16 | 成都鑫豪斯电子探测技术有限公司 | Fireproof door electric door closer |
| CN105952303A (en) * | 2016-07-19 | 2016-09-21 | 广州六瑞消防科技有限公司 | Positioning and releasing device |
| CN105971442A (en) * | 2016-06-23 | 2016-09-28 | 广州铸安机电设备有限公司 | Electric door closer of fireproof door |
| CN206220733U (en) * | 2016-11-10 | 2017-06-06 | 广州市禹成消防科技有限公司 | Open the door the automatic door closer for holding |
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| DE4440571A1 (en) * | 1994-11-12 | 1996-05-15 | Geze Gmbh & Co | Door locking system |
| DE19901773A1 (en) * | 1998-01-30 | 1999-08-05 | Geze Grundstueck Beteiligung | Locking device for a door provided with a door closer |
| CN105401826A (en) * | 2016-01-06 | 2016-03-16 | 成都鑫豪斯电子探测技术有限公司 | Fireproof door electric door closer |
| CN105971442A (en) * | 2016-06-23 | 2016-09-28 | 广州铸安机电设备有限公司 | Electric door closer of fireproof door |
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| CN106567636A (en) | 2017-04-19 |
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Denomination of invention: Door closer with automatic locking when opening the door Effective date of registration: 20230619 Granted publication date: 20180713 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU YUCHENG FIRE TECHNOLOGY Co.,Ltd. Registration number: Y2023980044473 |
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