CN107514198A - Door hinge with speed control - Google Patents

Door hinge with speed control Download PDF

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Publication number
CN107514198A
CN107514198A CN201710695753.2A CN201710695753A CN107514198A CN 107514198 A CN107514198 A CN 107514198A CN 201710695753 A CN201710695753 A CN 201710695753A CN 107514198 A CN107514198 A CN 107514198A
Authority
CN
China
Prior art keywords
cylinder
cavity
piston component
passage
channel
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.)
Pending
Application number
CN201710695753.2A
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Chinese (zh)
Inventor
管远轮
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710695753.2A priority Critical patent/CN107514198A/en
Publication of CN107514198A publication Critical patent/CN107514198A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E05F3/02Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with pneumatic 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
    • 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
    • E05F3/12Special devices controlling the circulation of the liquid, e.g. valve arrangement

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  • Fluid-Damping Devices (AREA)

Abstract

A kind of door hinge with speed control, provided with an axle stretched into from the second cylinder in the first cylinder.One piston component is connected with axle in a manner of spline, and is engaged with the inner peripheral surface screw thread of the first cylinder.The channel part being arranged in the first cylinder has First Speed control passage, in the range of the first stroke in the axial stroke of piston component, first passage resistance is applied to the fluid that the second cavity formed from piston component one end flows on the piston other end the first cavity formed.In the second stroke range, second channel resistance is applied to the fluid that the first cavity is flowed into from the second cavity by second speed control passage.

Description

Door hinge with speed control
Technical field
The present invention relates to a kind of door hinge with door speed controller, the opening and closing for door.
Background technology
Various door speed controllers have been developed at present, such as, it is allowed to the door that open is closed with controllable speed Close.Such door speed controller, which includes one, to realize door speed control according to the pivoting angle of door between the open and closed positions Mechanism.Generally, this speed control mechanism uses a box-like damper, and the damper is fixed on a top and with being connected on door Hinge separates (for example, with reference to unexamined Japanese Unexamined Patent Publication No (KOKAI) Hei 1-283445).
But from profile it is attractive in appearance from the point of view of, conjunction for switch gate of the speed controlling function preferably by being connected to all the time on door Page is completed.
The content of the invention
In view of the foregoing, it is an object of the present invention to provide a kind of door hinge, it can be according to door when closed Pivoting angle, apply an appropriate speed control power on the door.
The present invention provides a kind of door hinge for being used to open and close door, and the door hinge includes:
It is fixed with the first cylinder of the first leaf of hinge, and second cylinder axially aligned with the first cylinder.Second circle Cylinder is fixed with the second leaf of hinge.The door hinge also controls the second cylinder relative to the rotary speed of the first cylinder including one Speed control.
Speed control has an axle being fixed on the second cylinder, and first end stretches into the axle from the first cylinder In one cylinder.One piston component with the axle in the first cylinder is concentric is connected.The piston component can rotate together with the axis and can phase Moved axially for axle.Piston component engages with the inner peripheral surface screw thread of the first cylinder.When axle is relative to the first rotary drum, Piston component rotates together with the second cylinder.So, when piston component is between the first axial location and the second axial location During rotation, piston component moves also relative to the first cylinder.A channel part is provided with first cylinder, the channel part is connected On second end of the first cylinder.
Piston component is cylindric, and the ring formed between the inner peripheral surface of the first cylinder and the outer surface of channel part Extend in shape space.The first cavity is formed between the first end of piston component and the first cylinder.Justify in piston component and first The second cavity is formed between second end of cylinder.
There is channel part one to make the half-duplex channel that is connected between the first cavity and the second cavity, and the channel part also has the One and second speed control passage.
When piston component is moved to the second axial location from the first axial location to the first cavity, half-duplex channel allows the Fluid in one cavity flows into the second cavity by half-duplex channel.When piston component moves from the second axial location to the second cavity During to the first axial location, half-duplex channel prevents fluid from flowing through the half-duplex channel.
In piston component is from the second axial location to the stroke of the first axial location, in the range of the first stroke, first Rate control channel applies first passage resistance to the fluid that the first cavity is flowed to from the second cavity.
In piston component is from the second axial location to the stroke of the first axial location, in the second stroke range, second Rate control channel applies second channel resistance to the fluid that the first cavity is flowed to from the second cavity.
Using the door hinge in the present invention, can open the door without resistance in the least.On the contrary, at closing time, according to the pivot of door Angular range, the speed that the range-controllable system by suitably setting above-mentioned first and second stroke is closed the door.
More specifically, door hinge can be arranged as follows:First Speed control passage is provided with and is formed at passage structure The first ring groove with predetermined axial length on the outer peripheral face of part, and there is a passage and the first ring groove to connect It is logical.The passage is axially extended and connected with the first cavity.
Second speed control passage has the second annular groove, and it is arranged on the outer peripheral face of channel component and the first ring The axially spaced opening position of type groove, and have a passage connected with the second ring groove.The passage prolongs vertically Stretch and connected with the first cavity.
Piston component has a passage radially penetrated, extends radially through piston component and connects with the second cavity It is logical.When piston component is in the range of the first stroke, the radially passage of insertion and the connection of the first ring groove;When piston component exists When in the second stroke range, radial direction through channel connects with the second ring groove.
Door hinge can be also arranged as follows.First and second rate control channels are pressed upper type such as and set.It is living Plug member has the first and second radial direction through channels for extending radially through piston component and being connected with the second cavity.Work as work When plug member is in the range of the first stroke, the first radial direction through channel connects with the first ring groove;When piston component is second When in stroke range, the second radial direction through channel connects with the second ring groove.
Respective control piece can be set in the first and second rate control channels to control what is applied by respective passage Channel resistance.
More specifically, following arrangement can be used:First stroke range throughout through piston component from the second axle Decline scope to position to the whole stroke of the first axial location.Second stroke range is throughout through whole stroke Scope before decline scope.The channel resistance added by the rotation of First Speed control passage is less than by second speed control passage The channel resistance of application.
By above-mentioned design, close the door from the beginning, just generate very big resistance on the door in relatively large angular range Buddhist nun's power.Then door is pivoted with relatively low speed.Before door will close, damping force releases, and door is firmly closed Close.
By hereafter description of preferred embodiments, and with reference to accompanying drawing, it will be apparent from the above and other hair of the present invention Bright objects, features and advantages.
Brief description of the drawings
Fig. 1 is the vertical sectional drawing of the major part of the door hinge of the speed control with the present invention.
Fig. 2 is the end-view of door hinge shown in Fig. 1.
Embodiment
A specific embodiment of the door hinge of the present invention is described in detail hereinafter with reference to accompanying drawing.Fig. 1 is according to the present invention Door hinge 10 major part vertical sectional drawing.Fig. 1 right half part shows speed control when opening (hereafter Will be described in detail) state, the state for the speed control that Fig. 1 left-half is shown when closing.
As illustrated, door hinge 10 is provided with the first cylinder 12 of the first leaf of hinge 6 being fixed thereon.First leaf of hinge connects It is connected on doorframe.Second cylinder 14 and the first cylinder 12 are axially aligned.Second leaf of hinge 8 is fixed with the second cylinder 14, and is connected On door.Door hinge 10 also includes a speed control 16, and when the door of unlatching, which pivots, closes, the second cylinder 14 of control is relative In the rotary speed of the first cylinder 12.
Speed control 16 has one and is fixed on the second cylinder 14 and is stretched into from the first end 12-1 of the first cylinder 12 Axle 18 in first cylinder 12.One piston component 20 is connected with the distal end of the axle 18 in the first cylinder 12 by spline.Piston Component 20 can together rotate with axle 18 and be moved axially relative to axle 18.Piston component 20 is provided with external screw thread 20-1, with Internal thread 12-3 on the inner peripheral surface of one cylinder 12 is meshed.When axle 18 rotates relative to the first cylinder 12, piston component 20 Rotated with together with the second cylinder 14.So, piston component 20 relative to the first cylinder 12 in the first axle shown in Fig. 1 left-halfs To being moved between the second axial location shown in position and Fig. 1 right half parts, (the second axial location more leans on than the first axial location The first end 12-1 of nearly first cylinder).
Speed control 16 also includes a cylindrical passageway part 22, and the first cylinder is fixed on by an annular fastener 17 12 the second end 12-2.Piston component 20 is cylindrical shape, positioned at the inner peripheral surface of the first cylinder 12 and the outer surface of channel part 22 Between in the torus space that is formed.The first cavity is formed between the first end 12-1 of the cylinder 12 of piston component 20 and first 24.The second cavity 26 is formed between the second end 12-2 of the cylinder 12 of piston component 20 and first.Channel part 22 and axle 18 it Between formed the 3rd cavity 25.3rd cavity 25 is surround by piston component 20.3rd cavity 25 is by being formed at axle 18 and piston structure Connected between part 20 with being oriented to the communicating passage 20-2 of the first cavity 24 with the first cavity 24.
Channel part 22 has a half-duplex channel 28, can make to pass through communicating passage between the first cavity 24 and the second cavity 26 20-2 and the 3rd cavity 25 connect.Channel part 22 also has the first and second rate control channels 34 and 36.Half-duplex channel 28 is set There is a check-valves 30, when piston component 20 is moved to the second axial position from the first axial location (shown in Fig. 1 left-half) When putting (shown in Fig. 1 right half part), check-valves 30 allows the fluid in the first cavity 24 to pass through communicating passage 20-2, the 3rd sky Chamber 25 and half-duplex channel 28 flow into the second cavity 26.When piston component 20 is moved to the first axial location from the second axial location When, the half-duplex channel 28 with check-valves 30 prevents fluid from flowing through the half-duplex channel 28.
First Speed control passage 34 is provided with one of ring groove 34-1 on the outer peripheral face of channel part 22.One radial direction is led to Road 34-2 is extended radially inward by ring groove 34-1.One axial passage 34-3 is connected and relative with radial passage 34-2 In the axially extending to be oriented to the 3rd cavity 25 of door hinge 10.A channel resistance control piece 34- is provided with axial passage 34-3 4.The channel resistance control piece 34-4 is in screw thread engagement in axial passage 34-3.By making channel resistance control piece 34-4 around itself axis rotate with change its axial direction position, be applied to the fluid for flowing through First Speed control passage 34 Channel resistance (speed damping force) be just under control.
The set-up mode of second speed control passage 36 is similar with First Speed control passage 34.It is, second speed Control passage 36 has one of ring groove 36-1 on the outer peripheral face of channel part 22.This ring groove 36-1 position is than ring-like First end 12-1s of the groove 34-1 closer to the first cylinder 12.One radial passage 36-2 by ring groove 36-1 radially inwardly Extension, an axial passage 36-3 are connected with radial passage 36-2 and are axially extended by hinge 10 and be oriented to the 3rd cavity 25. A channel resistance control piece 36-4 is provided with axial passage 36-3.By making channel resistance control piece 36-4 around the axle of itself Line rotates, and the channel resistance (speed damping force) for being applied to the fluid for flowing through second speed control passage 36 is just under control.
Piston component 20 is provided with a radial direction through hole 38, and it extends radially through piston component and connected with the second cavity 26 It is logical.The first axial location (left half of Fig. 1 is moved to (shown in Fig. 1 right half part) from the second axial location in piston component 20 Shown in part) stroke in starting the first stroke in the range of, the radial direction through hole 38 and second speed control passage 36 Ring groove 36-1 connection.In the second stroke range after the first stroke range, radial direction through hole 38 is in second speed control Extend in the range of the ring groove 36-1 of passage 36 processed and the ring groove 34-1 of First Speed control passage 34.Last In the range of triple-travel, the radial direction through hole 38 connects with the ring groove 34-1 of First Speed control passage 34.The construction will relate to And explained in the part of shutdown action.Relative rotation between the first and second cylinders 12 and 14 as caused by acting shutdown Fluid is caused to be flowed from the second cavity 26 towards the first cavity 24.When the door closed apart from open position be in one it is larger During angular range, fluid flows through second speed control passage 36.One is in before the door closed will be fully closed During less angular range, fluid flows through First Speed control passage 34.As long as it is mounted with speed control 16, then second Caused channel resistance can be very big in rate control channel 36, and the caused channel resistance meeting in First Speed control passage 34 Very little, door will slowly be closed with the speed of safety.Before door will be fully closed, the action of shutdown is accelerated, so that it is guaranteed that Door is firmly closed.
Although the door hinge of the present invention is described by one embodiment, it should be noted that the present invention does not limit to In described embodiment, but can variously be changed.For example, the speed of three or more can be provided as needed Control passage.The speed can so closed the door controls in three or more angular ranges.And the machinery dress of the present invention Put the door closer that can also be used for prominent mounted model door.Although a radial direction in the above-described embodiments, is provided only with piston component Through hole 38, but the first and second radial direction through hole can be set in piston component.When piston component is in the range of the first stroke When, the first radial direction through hole connects with the first ring groove, when piston component is in the second stroke range, the second radial direction through hole with Second ring groove connects.In this case, the Lifetime Duan Yu between the first radial direction through hole and the first ring groove Lifetime section between two radial direction through hole and the second ring groove may overlap.

Claims (5)

1. a kind of door hinge for opening the door and closing the door, it includes:
First cylinder, there is the first leaf of hinge being fixed thereon;
Second cylinder, and the first cylinder are axially aligned, and second cylinder has the second leaf of hinge being fixed thereon;And
Speed control, control rotary speed of second cylinder relative to the first cylinder;
The speed control includes:
The axle being fixed on the second cylinder, the first end of the axle from the first cylinder are stretched into the first cylinder;
Piston component and the axle in the first cylinder are coaxially connected, and the piston component can be rotated together with the axle and phase Moved axially for the axle, the piston component engages with the inner peripheral surface screw thread of the first cylinder, relative so as to work as the axle When the first cylinder rotates, the piston component rotates together with the second cylinder, wherein the piston component is relative to the first circle Cylinder moves between the first axial location and the second axial location;And
Channel part, it is arranged in the first cylinder and is fixed on the second end of the first cylinder;
Wherein, the piston component is cylindrical shape, and is formed between the inner peripheral surface of the first cylinder and the outer peripheral face of channel part Torus space in extend, so as to forming the first cavity between the first end of the piston component and the first cylinder, and in institute State and form the second cavity between the second end of piston component and the first cylinder;
The channel part has a half-duplex channel, makes to connect between the first cavity and the second cavity, the channel part also has First and second rate control channels;
Wherein, when piston component is moved to second axial location from first axial location towards first cavity, Half-duplex channel allows the fluid in the first cavity to flow to the second cavity by the half-duplex channel;When piston component is axial from second Position towards the second cavity be moved to the first axial location when, the half-duplex channel prevents fluid from flowing through the half-duplex channel;
In the range of the first stroke during piston component is from the second axial location to the stroke of the first axial location, described One rate control channel is suitable to apply first passage resistance to the fluid for flowing to the first cavity from the second cavity;And
In the second stroke range during piston component is from the second axial location to the stroke of the first axial location, described Two rate control channels are suitable to apply second channel resistance to the fluid for flowing to the first cavity from the second cavity.
2. door hinge as claimed in claim 1, wherein the First Speed control passage, which is provided with, is formed at the channel part The first ring groove with predetermined axial length on outer peripheral face, and the passage connected with first ring groove, institute Passage is stated to axially extend to connect with first cavity;
The second speed control passage, which has, is arranged at the second ring groove on the outer peripheral face of the channel part, positioned at along axle To the opening position separated with first ring groove, and a passage, it is connected with second ring groove, described logical Road is axially extended to be connected with first cavity;And
The piston component have one radially insertion passage, extend radially through the piston component and with the second cavity Connection, when the piston component is in the range of first stroke, the passage and described first that the radial direction penetrates are ring-like recessed Groove connects;When the piston component is in second stroke range, the passage and described second that the radial direction penetrates are ring-like Groove connects.
3. door hinge as claimed in claim 1, wherein, the First Speed control passage, which has, is formed at the channel part The first ring groove with predetermined axial length on outer peripheral face, and a passage, it connects with first ring groove Logical, the passage is axially extended to be connected with first cavity;
The second speed control passage, which has, is arranged at the second ring groove on the outer peripheral face of the channel part, positioned at institute The axially spaced opening position of the first ring groove, and a passage are stated, it is connected with second ring groove, described logical Road is axially extended to be connected with first cavity;And
The piston component has the passages of the first and second radially insertions, extends radially through the piston component and with the Two cavitys connect, when the piston is in the range of first stroke, the described first passage and described first radially penetrated Ring groove connects;When the piston is in second stroke range, the described second radially passage of insertion and described the Two ring grooves connect.
4. the door hinge as described in one of claims 1 to 3, wherein first and second rate control channel has accordingly Control piece come control by respective channel apply the first and second channel resistances.
5. the door hinge as described in one of Claims 1-4, wherein the first row journey scope in the piston component from second Axial location is to extending in the decline scope in whole strokes of the first axial location;
Extend in scope before the decline scope of second stroke range in whole strokes;With And
Wherein, the channel resistance in First Speed control passage is less than the channel resistance in second speed control passage.
CN201710695753.2A 2017-08-01 2017-08-01 Door hinge with speed control Pending CN107514198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710695753.2A CN107514198A (en) 2017-08-01 2017-08-01 Door hinge with speed control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710695753.2A CN107514198A (en) 2017-08-01 2017-08-01 Door hinge with speed control

Publications (1)

Publication Number Publication Date
CN107514198A true CN107514198A (en) 2017-12-26

Family

ID=60721994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710695753.2A Pending CN107514198A (en) 2017-08-01 2017-08-01 Door hinge with speed control

Country Status (1)

Country Link
CN (1) CN107514198A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1336631A (en) * 1972-01-24 1973-11-07 Crompton Nettlefold Stenman Hydraulic dampers
US4100646A (en) * 1977-02-28 1978-07-18 Schubeis E I E Self-closing hinge
EP0797719B1 (en) * 1994-12-14 1998-11-11 Seva Means for the mounting and articulation of a panel opening in a frame, and door or floor pivot comprising such means
CN2627169Y (en) * 2003-04-04 2004-07-21 田项楠 Hinge
CN1619085A (en) * 2003-10-22 2005-05-25 日东工器株式会社 Door hinge with speed controller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1336631A (en) * 1972-01-24 1973-11-07 Crompton Nettlefold Stenman Hydraulic dampers
US4100646A (en) * 1977-02-28 1978-07-18 Schubeis E I E Self-closing hinge
EP0797719B1 (en) * 1994-12-14 1998-11-11 Seva Means for the mounting and articulation of a panel opening in a frame, and door or floor pivot comprising such means
CN2627169Y (en) * 2003-04-04 2004-07-21 田项楠 Hinge
CN1619085A (en) * 2003-10-22 2005-05-25 日东工器株式会社 Door hinge with speed controller

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Application publication date: 20171226