CN1271302C - Door hinge with speed controller - Google Patents

Door hinge with speed controller Download PDF

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Publication number
CN1271302C
CN1271302C CNB2004101047482A CN200410104748A CN1271302C CN 1271302 C CN1271302 C CN 1271302C CN B2004101047482 A CNB2004101047482 A CN B2004101047482A CN 200410104748 A CN200410104748 A CN 200410104748A CN 1271302 C CN1271302 C CN 1271302C
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CN
China
Prior art keywords
cylinder
cavity
piston component
channel
passage
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Expired - Fee Related
Application number
CNB2004101047482A
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Chinese (zh)
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CN1619085A (en
Inventor
御器谷俊雄
坚木聪
高中明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Kohki Co Ltd
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Nitto Kohki Co Ltd
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Publication date
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Publication of CN1619085A publication Critical patent/CN1619085A/en
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Publication of CN1271302C publication Critical patent/CN1271302C/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops

Abstract

To provide a door hinge capable of making a required speed adjustment in the required angle range of closing turning motion.The door hinge has a first cylinder body 12, a second cylinder body 14 and a speed adjusting device 16. The speed adjusting device has a shaft 18 extending from the second cylinder body into the first cylinder body; a piston member 20 spline-connected to the shaft and screw-engaged with the inner peripheral surface of the first cylinder body; and a passage member 22 provided in the first cylinder body. The passage member has a first speed adjusting passage 34 applying first passage resistance to the flow of a fluid from a second chamber 26 formed on one end side of the piston member, to a first chamber 24 formed on the other end side, in a first stroke range out of the axial stroke of the piston member 20, and a second speed adjusting passage 36 applying second passage resistance to the flow of the fluid from the second chamber 26 to the first chamber 24 in a second stroke range. (C)2005,JPO&NCIPI.

Description

Door hinge with speed control
Technical field
The present invention relates to a kind of door hinge, be used for the opening and closing of door with fast controller.
Background technology
Developed the fast controller of various doors at present, for example, the door that allows opening is closed with controllable speed.This type of fast controller comprise one can be according to door in mechanism that the pivoting angle that opens and closes between the position is realized a speed control system.Usually, this speed control mechanism uses a box-like damper, and this damper is fixed in a top and separates (for example, referring to Japanese Unexamined Patent Publication No (KOKAI) the Hei 1-283445 that does not examine) with the hinge that is connected on the door.
But attractive in appearance from profile, speed controlling function is preferably finished by the hinge that is used for the switch door that is connected all the time on the door.
Summary of the invention
In view of the foregoing, one object of the present invention is to provide a kind of door hinge, and it can be according to the pivoting angle of door when closing, and opposite house applies a suitable speed control.
The invention provides a kind of door hinge of opening the door and closing the door of being used to, it comprises: first cylinder has first end and second end and is fixed in first leaf of hinge on this first cylinder; Second cylinder and first cylinder are axially aligned, and described second cylinder has second leaf of hinge that is fixed on this second cylinder; And speed control, controlling the rotary speed of second cylinder with respect to first cylinder; Described speed control comprises: be fixed on the axle on second cylinder, this described first end from first cylinder stretches in first cylinder; With the coaxial piston component that is connected of described axle in first cylinder, described piston component can move axially with described axle rotation and with respect to described axle, the inner peripheral surface screw-threaded engagement of the described piston component and first cylinder, thereby when described axle rotates with respect to first cylinder, described piston component rotates with second cylinder, thereby described piston component can move between first axial location and second axial location with respect to first cylinder, and described first axial location is than more close described second end of described second axial location; And channel part, be arranged in first cylinder and be fixed on described second end of first cylinder; Wherein, described piston component is cylindric, and extend in the torus space that between the inner peripheral surface of the outer peripheral face of channel part and first cylinder, forms, thereby between first end of the described piston component and first cylinder, form first cavity, and between the second end of the described piston component and first cylinder, form second cavity; Described channel part has half-duplex channel, makes between first cavity and second cavity to be communicated with, and described channel part also has first and second rate control channels; Wherein, when piston component from described first axial location to described second axial location when described first cavity moves, half-duplex channel allows the fluid in first cavity to flow into second cavity by described half-duplex channel; When piston component from second axial location to first axial location when second cavity moves, described half-duplex channel stops fluid to flow through described half-duplex channel; In first stroke range the stroke of piston component from second axial location to first axial location, described first rate control channel is used for the fluid that flows to first cavity from second cavity is applied the first passage resistance; And in second stroke range the stroke of piston component from second axial location to first axial location, described second speed control channel is used for the fluid that flows to first cavity from second cavity is applied the second channel resistance.
Adopt the door hinge among the present invention, open the door with can having no resistance.On the contrary, at closing time,, can control the speed of closing the door by the scope of suitably setting above-mentioned first and second strokes according to the pivoting angle scope of door.
More specifically, door hinge can be arranged as follows: first rate control channel is provided with first ring groove with predetermined axial length on the outer peripheral face that is formed at channel component, and has a passage to be communicated with first ring groove.This passage extends and and first cavity connection vertically.
Second speed control channel has second annular groove, the position that it is arranged on the outer peripheral face of channel component, separate vertically with first ring groove, and the passage of and the connection of second ring groove is arranged.This passage extends and and first cavity connection vertically.
Piston component has a passage that radially connects, and radially extends through piston component and is communicated with second cavity.When piston component was in first stroke range, radially the passage of Guan Tonging and first ring groove were communicated with; When piston component was in second stroke range, radially the through channel and second ring groove were communicated with.
Door hinge also can be arranged as follows.First and second rate control channels are pressed as the upper type setting.Piston component has first and second through channel radially that radially extend through piston component and be communicated with second cavity.When piston component is in first stroke range, first radially through channel and the connection of first ring groove; When piston component is in second stroke range, second radially through channel and the connection of second ring groove.
Separately control member can be set in first and second rate control channels control the channel resistance that applies by separately passage.
More specifically, can adopt following arrangement: first stroke range spreads all over the decline scope that runs through the whole stroke of piston component from second axial location to first axial location.Second stroke range spreads all over the scope before running through the decline scope of whole stroke.The channel resistance that is applied by first rate control channel is less than the channel resistance that is applied by second speed control channel.
By above-mentioned design, closed the door from the beginning, just opposite house has produced very big damping force in big relatively angular range.Make that subsequently door pivots with lower speed.Before door was about to close, damping force was removed, and door can be closed firmly.
By description of preferred embodiments hereinafter, and in conjunction with the accompanying drawings, will know above-mentioned and other goals of the invention of the present invention, feature and advantage more.
Description of drawings
Fig. 1 is the vertical profile of major part with door hinge of speed control of the present invention.
Fig. 2 is the end-view of door hinge shown in Fig. 1.
The specific embodiment
Below will contrast accompanying drawing and describe a specific embodiment of door hinge of the present invention in detail.Fig. 1 is the vertical profile according to the major part of door hinge 10 of the present invention.The right half part of Fig. 1 shows the state of the speed control (hereinafter will specifically describe) when opening, the state of the speed control the when left-half of Fig. 1 shows and closes.
As shown in the figure, door hinge 10 is provided with first cylinder 12 of first leaf of hinge 6 that is fixed thereon.First leaf of hinge is connected on the doorframe.Second cylinder 14 and first cylinder 12 are axially aligned.Second leaf of hinge 8 and second cylinder 14 are fixing, and are connected on the door.Door hinge 10 also comprises a speed control 16, when the hingen commentaries on classics of opening is closed, controls the rotary speed of second cylinder 14 with respect to first cylinder 12.
Speed control 16 has one and is fixed on second cylinder 14 and stretches into axle 18 in first cylinder 12 from the first end 12-1 of first cylinder 12.The far-end of the axle 18 in piston component 20 and first cylinder 12 is connected by spline.Piston component 20 can rotate with axle 18 and move axially with respect to axle 18 together.Piston component 20 is provided with external screw thread 20-1, is meshed with internal thread 12-3 on the inner peripheral surface of first cylinder 12.When axle 18 rotated with respect to first cylinder 12, piston component 20 was with 14 rotations of second cylinder.Like this, piston component 20 moves (second axial location is than the first end 12-1 of more close first cylinder of first axial location) with respect to first cylinder 12 between second axial location shown in first axial location shown in Fig. 1 left-half and Fig. 1 right half part.
Speed control 16 also comprises a cylindrical passageway part 22, is fixed on the second end 12-2 of first cylinder 12 by an annular fastener 17.Piston component 20 is cylindric, between the outer surface of the inner peripheral surface of first cylinder 12 and channel part 22 in the formed torus space.Between the first end 12-1 of the piston component 20 and first cylinder 12, form first cavity 24.Between the second end 12-2 of the piston component 20 and first cylinder 12, form second cavity 26.Between channel part 22 and axle 18, form the 3rd cavity 25.The 3rd cavity 25 by piston component 20 around.The communication passage 20-2 with first cavity 24 that leads is communicated with first cavity 24 the 3rd cavity 25 between axle 18 and the piston component 20 by being formed at.
Channel part 22 has a half-duplex channel 28, can make between first cavity 24 and second cavity 26 to be communicated with by communication passage 20-2 and the 3rd cavity 25.Channel part 22 also has first and second rate control channels 34 and 36.Half-duplex channel 28 is provided with a flap valve 30, when piston component 20 when first axial location (shown in the left-half of Fig. 1) moves to second axial location (shown in the right half part of Fig. 1), flap valve 30 allows the fluid in first cavity 24 to flow into second cavity 26 by communication passage 20-2, the 3rd cavity 25 and half-duplex channel 28.When piston component 20 when second axial location moves to first axial location, the half-duplex channel 28 with flap valve 30 stops fluids to flow through this half-duplex channel 28.
First rate control channel 34 is provided with ring groove 34-1 one on the outer peripheral face of channel part 22.A radial passage 34-2 is inwardly radially extended by this ring groove 34-1.An axial passage 34-3 links to each other with radial passage 34-2 and extending axially with the 3rd cavity 25 that leads with respect to door hinge 10.In axial passage 34-3, be provided with a channel resistance control member 34-4.This channel resistance control member 34-4 is in the screw-threaded engagement state in axial passage 34-3.By channel resistance control member 34-4 just is under control to change it in axial position, to impose on the flow through channel resistance (speed damping force) of fluid of first rate control channel 34 around the rotational of itself.
The set-up mode of second speed control channel 36 and first rate control channel 34 are similar.Just, second speed control channel 36 has ring groove 36-1 one on the outer peripheral face of channel part 22.The position of this ring groove 36-1 than ring groove 34-1 more near the first end 12-1 of first cylinder 12.Radial passage 36-2 is inwardly radially extended by ring groove 36-1, and axial passage 36-3 links to each other with radial passage 36-2 and extended and the 3rd cavity 25 that leads vertically by hinge 10.In axial passage 36-3, be provided with a channel resistance control member 36-4.By making the rotational of channel resistance control member 36-4 around itself, the channel resistance (speed damping force) that imposes on the fluid of the second speed control channel 36 of flowing through just is under control.
Piston component 20 is provided with a radial direction through hole 38, and it radially extends through piston component and is communicated with second cavity 26.Piston component 20 moved to the first initial stroke range the stroke of first axial location (shown in the left-half of Fig. 1) from second axial location (shown in the right half part of Fig. 1) in, this radial direction through hole 38 was communicated with the ring groove 36-1 of second speed control channel 36.In second stroke range after first stroke range, radial direction through hole 38 extends in the ring groove 34-1 scope of the ring groove 36-1 of second speed control channel 36 and first rate control channel 34.In last third trip scope, this radial direction through hole 38 is communicated with the ring groove 34-1 of first rate control channel 34.This structure will make an explanation in the part that relates to the action of closing the door.The relatively rotating between first and second cylinders 12 and 14 that cause of moving by closing the door causes that fluid flows towards first cavity 24 from second cavity 26.When the door of closing is in a bigger angular range apart from the enable possition, the fluid second speed control channel 36 of flowing through.When the door of closing is in a less angular range before being about to be fully closed, fluid first rate control channel 34 of flowing through.As long as speed control 16 has been installed, the channel resistance that produces in second speed control channel 36 can be very big so, and the channel resistance that produces in first rate control channel 34 can be very little, and door will slowly be closed with the speed of safety.Before door was about to be fully closed, the action of closing the door was accelerated, thereby guaranteed to be closed firmly.
Though door hinge of the present invention is described by an embodiment, should be noted that the present invention is not limited to described embodiment, but can change by variety of way.For example, can provide three or more rate control channels as required.The speed of closing the door so just can be three or more angular range inner control.And mechanical device of the present invention also can be used for the door closer of the mounted model door given prominence to.Though in the above-described embodiments, only be provided with a radial direction through hole 38 in the piston component, first and second radial direction through hole can be set in piston component.When piston component was in first stroke range, first radial direction through hole was communicated with first ring groove, and when piston component was in second stroke range, second radial direction through hole was communicated with second ring groove.In this case, the connection time period between first radial direction through hole and first ring groove may overlap with time period that is communicated with between second radial direction through hole and second ring groove.

Claims (5)

1. one kind is used to the door hinge that opens the door and close the door, and it comprises:
First cylinder has first end and second end and is fixed in first leaf of hinge on this first cylinder;
Second cylinder and first cylinder are axially aligned, and described second cylinder has second leaf of hinge that is fixed on this second cylinder; And
Speed control is being controlled the rotary speed of second cylinder with respect to first cylinder;
Described speed control comprises:
Be fixed on the axle on second cylinder, this described first end from first cylinder stretches in first cylinder;
With the coaxial piston component that is connected of described axle in first cylinder, described piston component can move axially with described axle rotation and with respect to described axle, the inner peripheral surface screw-threaded engagement of the described piston component and first cylinder, thereby when described axle rotates with respect to first cylinder, described piston component rotates with second cylinder, thereby described piston component can move between first axial location and second axial location with respect to first cylinder, and described first axial location is than more close described second end of described second axial location; And
Channel part is arranged in first cylinder and is fixed on described second end of first cylinder;
Wherein, described piston component is cylindric, and extend in the torus space that between the inner peripheral surface of the outer peripheral face of channel part and first cylinder, forms, thereby between first end of the described piston component and first cylinder, form first cavity, and between the second end of the described piston component and first cylinder, form second cavity;
Described channel part has half-duplex channel, makes between first cavity and second cavity to be communicated with, and described channel part also has first and second rate control channels;
Wherein, when piston component from described first axial location to described second axial location when described first cavity moves, half-duplex channel allows the fluid in first cavity to flow into second cavity by described half-duplex channel; When piston component from second axial location to first axial location when second cavity moves, described half-duplex channel stops fluid to flow through described half-duplex channel;
In first stroke range the stroke of piston component from second axial location to first axial location, described first rate control channel is used for the fluid that flows to first cavity from second cavity is applied the first passage resistance; And
In second stroke range the stroke of piston component from second axial location to first axial location, described second speed control channel is used for the fluid that flows to first cavity from second cavity is applied the second channel resistance.
2. door hinge as claimed in claim 1, wherein said first rate control channel has first ring groove with predetermined axial length on the outer peripheral face that is formed at described channel part, and the passage that is communicated with described first ring groove, described passage extends vertically to be communicated with described first cavity;
Described second speed control channel has second ring groove that is positioned on the outer peripheral face that is arranged at described channel part vertically with the described first ring groove position spaced place, and the passage that is communicated with described second ring groove, described passage extends vertically to be communicated with described first cavity; And
Described piston component has the passage that radially connects, and this passage radially extends through described piston component and is communicated with second cavity, and when described piston component was in described first stroke range, the described passage that radially connects was communicated with described first ring groove; When described piston component was in described second stroke range, the described passage that radially connects was communicated with described second ring groove.
3. door hinge as claimed in claim 1, wherein, described first rate control channel has first ring groove with predetermined axial length on the outer peripheral face that is formed at described channel part, and the passage that is communicated with described first ring groove, described passage extends vertically to be communicated with described first cavity;
Described second speed control channel has and is positioned on the outer peripheral face that is arranged at described channel part and described first ring groove second ring groove at position spaced place vertically, and the passage that is communicated with described second ring groove, described passage extends vertically to be communicated with described first cavity; And
Described piston component has first and second passages that radially connect, this passage radially extends through described piston component and is communicated with second cavity, when described piston was in described first stroke range, described first passage that radially connects was communicated with described first ring groove; When described piston was in described second stroke range, described second passage that radially connects was communicated with described second ring groove.
4. as the described door hinge of one of claim 1 to 3, be provided with corresponding member in wherein said first and second rate control channels and control first and second channel resistances that produce by respective channel.
5. as the described door hinge of one of claim 1 to 3, the decline scope of wherein said first stroke range the whole stroke of described piston component from second axial location to first axial location extended;
Extend on the scope before the described decline scope of described second stroke range in described whole stroke; And
Wherein, the channel resistance in first rate control channel is less than the channel resistance in second speed control channel.
CNB2004101047482A 2003-10-22 2004-10-22 Door hinge with speed controller Expired - Fee Related CN1271302C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003361383A JP3843096B2 (en) 2003-10-22 2003-10-22 Door hinge with speed adjustment device
JP361383/2003 2003-10-22

Publications (2)

Publication Number Publication Date
CN1619085A CN1619085A (en) 2005-05-25
CN1271302C true CN1271302C (en) 2006-08-23

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ID=34641345

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004101047482A Expired - Fee Related CN1271302C (en) 2003-10-22 2004-10-22 Door hinge with speed controller

Country Status (5)

Country Link
JP (1) JP3843096B2 (en)
KR (1) KR100632173B1 (en)
CN (1) CN1271302C (en)
HK (1) HK1077350A1 (en)
TW (1) TWI284697B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4773415B2 (en) * 2007-11-08 2011-09-14 日東工器株式会社 Door closer
CN106121429A (en) * 2016-08-30 2016-11-16 李龙 Hinge pneumatic door closer and the hinge of applying this pneumatic door closer thereof
CN107514198A (en) * 2017-08-01 2017-12-26 管远轮 Door hinge with speed control

Also Published As

Publication number Publication date
TW200514906A (en) 2005-05-01
TWI284697B (en) 2007-08-01
KR100632173B1 (en) 2006-10-11
JP3843096B2 (en) 2006-11-08
KR20050039666A (en) 2005-04-29
CN1619085A (en) 2005-05-25
HK1077350A1 (en) 2006-02-10
JP2005126929A (en) 2005-05-19

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