CN106170600A - Piston-cylinder units and the door hinge with piston-cylinder units - Google Patents
Piston-cylinder units and the door hinge with piston-cylinder units Download PDFInfo
- Publication number
- CN106170600A CN106170600A CN201580019646.7A CN201580019646A CN106170600A CN 106170600 A CN106170600 A CN 106170600A CN 201580019646 A CN201580019646 A CN 201580019646A CN 106170600 A CN106170600 A CN 106170600A
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- China
- Prior art keywords
- piston
- cylinder
- valve
- damper fluid
- cylinder unit
- Prior art date
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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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/60—Suspension or transmission members; Accessories therefore
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/638—Cams; Ramps
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/60—Suspension or transmission members; Accessories therefore
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/696—Screw mechanisms
-
- 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
Abstract
The present invention relates to a kind of piston-cylinder units (16), its cylinder (20) including there is longitudinal axis L and insert this cylinder, can be along the piston apparatus (22) of longitudinal axis, this piston apparatus has piston rod (24) and piston, wherein, piston rod runs through cylinder along the longitudinal axis, thus this piston rod is both at axial first end (26) place, cylinder is stretched out again at contrary axial second end (28) place, wherein, piston will be filled with the first working chamber of damper fluid in the inner chamber of cylinder and separates with the second working chamber being filled with damper fluid, wherein, piston apparatus and cylinder are connected with each other by spiral connecting piece, so that the two can be relative to each other for the helical movement around longitudinal axis L.
Description
Technical field
The present invention relates to a kind of piston-cylinder unit, it cylinder including there is the longitudinal axis and insert cylinder, can be along vertical
The piston apparatus of axle motion, this piston apparatus has piston rod and piston, and wherein, piston rod runs through cylinder along the longitudinal axis, thus
This piston rod both at axial end, stretched out cylinder again at contrary axial second end, and wherein, piston is at the inner chamber of cylinder
In will be filled with the first working chamber of damper fluid and separate with the second working chamber being filled with damper fluid.The invention still further relates to
A kind of door hinge, it includes the first installation elements for being arranged on door leaf and for the second installation unit being arranged on doorframe
Part.
Background technology
Start the piston-cylinder unit of described type in the prior art as damping element it is known that wherein, piston apparatus
Run through cylinder in the axial direction, and piston apparatus is advanced in the inside of cylinder on this is axial in damper fluid.This type
Damping element can limit the linear movement of the two assembly in terms of the relative velocity of two assemblies or acceleration, and damp
Act on shock or the vibrations of this assembly.Such as known from DE 10 2,011 006 011 A1 this piston-cylinder unit is used
In door, wherein this piston-cylinder unit is installed as between door and doorframe, the axis oriented normal of cylinder in the swinging axle of door, and
This piston-cylinder unit crosses over the angle between door and doorframe.When opening or closing, piston-cylinder unit just extends or shortens,
Wherein, door move through piston apparatus damping movements in damper fluid.
According to its basic role principle, traditional piston-cylinder unit is confined to the linear displacement between two assemblies
The damping of motion, thus limit the application of this piston-cylinder unit.The door of the above-mentioned type needs relative complex hinge
Connection device and high structure space.Additionally, in this door, maximum or minimum open angle is by by piston-cylinder list
The restriction that the hinged structures of unit causes.
Summary of the invention
In this context, the task of the present invention is to provide a kind of piston-cylinder unit, and it provides wider application model
Enclose or open new application.The task of the present invention also resides in the door hinge providing a kind of improvement, and it can be with less
Structure space and being inconspicuously installed on door, and there is high functionality.
According to the first aspect of the invention, above-mentioned task is achieved by a kind of piston-cylinder unit, and it includes having vertical
The cylinder of axle and insert this cylinder, can be along the piston apparatus of longitudinal axis, this piston apparatus has piston rod and piston,
Wherein, piston rod runs through cylinder along the longitudinal axis, thus this piston rod is both at axial end, again at contrary axial second end
Cylinder is stretched out at place, and wherein, piston will be filled with the first working chamber of damper fluid in the inner chamber of cylinder and flows with being filled with damping
Second working chamber of body separates, and wherein, piston apparatus and cylinder are connected with each other by spiral connecting piece, so that the two can
Relative to each other for the helical movement around the longitudinal axis.
Therefore, according to the present invention, piston apparatus is connected with cylinder by spiral connecting piece, thus forces piston apparatus gentle
Relative motion between cylinder is carried out on spiral path.Thus, the motion between piston apparatus and cylinder is the axle along the longitudinal axis
Combination to component motion with the rotary motive components around the longitudinal axis.Therefore, not only it is suitable for according to the piston-cylinder unit of the present invention
In the linear movement of two inter-modules of damping, go back simultaneously or be alternatively applicable to damped rotational motion, therefore according to the present invention's
Piston-cylinder unit can be used in new application.
Preferably can be fixedly disposed on the inner side of cylinder or spiral type adnexa or nut are the most axially displaceably set,
Wherein, the counter element luer engages with of this adnexa or nut and piston apparatus.By the inside at cylinder, spiral connecting piece is set
Achieve compact and firm piston-cylinder unit.
In other deformation programs of the present invention, spiral connecting piece can be implemented as multiple thread or ball screws, thus
Realize very smooth connection.It is also conceivable to, the pin of in cylinder and piston apparatus both parts is led
Enter in the link track of another element in cylinder and piston apparatus.
It is set in a preferred embodiment of the invention, the piston rod district outside being arranged on piston-cylinder unit
Arranging rotation transmitting element on Duan, this rotation transmitting element can transmit rotatably with piston rod and axially displaceably connect
Connect, and this rotation transmitting element remains relative to cylinder and is not axially movable but rotatable.Such setting has reached so
Technique effect, i.e. can damp pure rotational motion, the motion between i.e. two components does not has translational component in the axial direction.
Cylinder and rotate transmitting element mutually can rotate under damping action, wherein, screw on the direction of cylinder longitudinal axis
Translational component move axially compensation on transmitting element by piston apparatus rotating.Therefore, such piston-cylinder list
Unit can be used as damp hinge in multiple use.
When arranging rotation transmitting element in the outer sections of cylinder, the reality in last explanation above can be reached equally
Executing the effect described in scheme, this rotation transmitting element can transmit rotatably with cylinder and axially displaceably be connected, and
This rotation transmitting element remains relative to piston apparatus and is not axially movable but rotatable.In this deformation program, rotate and pass
Pass element and piston apparatus mutually can rotate without translational component ground, and the assembly of damp hinge can be accordingly acted as, and piston
The translational component of the screw between device and cylinder then passes through compensation cylinder.
In order to ensure the damping behavior of the restriction of piston-cylinder unit, the first working chamber and the second working chamber are preferably by extremely
A few damper fluid passage is connected with each other, and this damper fluid passage is formed in piston or is formed at cylinder as bypass channel
Place.If damper fluid passage is arranged in piston, it is possible to utilize the possible constructions space in piston well, and passage
Length can be limited.At least one damper fluid passage is arranged at cylinder as bypass channel and allow for depending on piston
Device is relative to the change of the damping behavior of the axial location of cylinder.Such as it is contemplated that axially varying at least along cylinder
The quantity of individual bypass channel or cross section, in order to for piston apparatus ad-hoc location in the cylinder, predetermined damping row is set
For, or the motion at the even completely stopping piston-cylinder unit of specific axial location.The flow cross section of bypass channel this
Depend on the change of axial location on cylinder, at piston-cylinder unit in the case of door hinge, such as may be used for by
Door is retained or locked in one or more predetermined swing position, so that door can only be from this pendulum under conditions of power consumption increases
Motion is continued in dynamic position.
In the piston-cylinder unit with damper fluid passage, preferably at least one damper fluid passage or extremely
The opening part of a few damper fluid passage is provided with the valve affecting flow cross section.Can be with can be pre-by such valve
The mode surveyed adapts to and particularly controls damping behavior.Valve can be cut between the first on off state and second switch state
Changing, wherein, valve has different flow cross sections under the two on off state, in order to varying strength ground damping piston apparatus
Motion.Particularly, valve also is able to be adjusted to closed mode, and in this condition, this valve completely closes damper fluid passage.
Mainly imagining at this, the exchange of the damper fluid between the first working chamber and the second working chamber is base under the closed mode of valve
Block completely in basis, thus the motion that lockup piston device is in the cylinder.
At least one valve can depend on dominant resistance in the first working chamber or the second working chamber passively
The pressure of Buddhist nun's fluid is controlled so that this gate at the pressure threshold predetermined above or below at least one or/and at least
Switch during one predetermined flow rate threshold.By using this valve that the damping behavior of piston-cylinder unit can be made to adapt to
From power or the motion-promotion force of outside input.It may be thus possible, for example, to valve is preloaded into closed position, and this valve can be
It is switched to open position under effect in damper fluid, pressure that exceed predetermined first threshold.This function is the most permissible
Utilize in door hinge, be used for holding the door in no-load condition, prevent door to be inadvertently moved to adjusted position (damping stream
Pressure in body is less than first threshold), and when opening or closing wittingly, under the effect of external force (in damper fluid
Pressure is higher than predetermined first threshold), then for allowing the motion of the damping of door.
One favourable expansion scheme of the embodiment finally mentioned above is set to, when the pressure in damper fluid
When power is less than Second Threshold, valve is switched to closed position from open position, and this Second Threshold is less than first threshold.This meaning
, need the first power to make cylinder and piston apparatus relative to each other from resting position setting in motion, namely need the first pressure
Valve is moved on to open position from closed position, this also means that, in order to again stop the motion between piston apparatus and cylinder,
Have to be lower than the second power, namely when less than the second pressure, valve is transitioned into closed position the most again, wherein, the second power or
Second pressure is respectively smaller than the first power or the first pressure.In concrete application example, the piston-cylinder unit as door hinge is anticipated
Taste, and in order to be discharged from latched position by door, need to start to push away to desired direction from resting position by door with relatively high power
Dynamic, wherein, the power needed for the actual motion of door is less than for from the first power of resting position release door.
At least one valve of damper fluid passage is preferably designed for, and damper fluid flows through this valve in the two directions,
And this valve can affect the flow cross section of the fluid towards both direction in the different position of the switch.Here, at least one
Valve self can be designed as two-way valve, and it has identical current behavior or identical opening especially for two flow directions
Pass behavior.Alternatively or additionally, can be in multiple damper fluid passages or be respectively provided with check-valves thereon, this check-valves
There is opposite effect direction.Therefore, each check-valves itself is at least permitted on a flow direction when overpressure threshold value
Permitted the current of damper fluid, and blocked the current of damper fluid at a reverse flow direction.If needed, it is also possible to the most right
The different check-valves with various flows dynamic characteristic is used in two flow directions.
Replacement or supplementary as the above-mentioned functions of at least one valve, it is contemplated that at least one valve can pass through
Regulating element controls, the most particularly can be from the external control of cylinder.Can manually handle regulating element in this way
Or by by opened loop control/Closed Loop Control Unit be externally controlled regulating element control damping behavior and particularly piston-
The prevention of the motion of cylinder unit or release.Can be such as a kind of magnetic controller, wherein, at least one valve passes through valve
Valve body and regulating element between magnetic interaction switch between the different position of the switch.
According to second aspect, foregoing invention task is achieved by a kind of door hinge, and this door hinge includes for installing
The first installation elements on door leaf, for the second installation elements being arranged on doorframe and according to the first aspect of the invention
Piston-cylinder unit, wherein, in two installation elements can transmit and be connected with cylinder rotatably or formed by cylinder,
And wherein, another in two installation elements can transmit and be connected with piston rod rotatably or formed by piston rod.By
The inventive feature of two aspects, the advantageous effect of the piston-cylinder unit of above-mentioned first aspect can be used for corresponding advantage
Door hinge.Rotational component in particular according to the screw of the present invention can be used for damping door hinge in simply constructed mode
The rotary motion of chain, thus realize compact and functional configuration.
Cylinder is or/and piston rod the most axially displaceably and is torsionally maintained on the installation elements of correspondence.Thus,
The component motion of the axial or translation of the screw between cylinder and piston apparatus is by cylinder and corresponding installation elements
Between or moving axially between piston rod and the installation elements of correspondence compensate.As a result of which it is, the first installation elements and
Two installation elements are connected with each other for carrying out pure rotational motion (not having translational component), and wherein, this rotary motion is by according to this
Bright piston-cylinder unit damps in the foregoing manner.
In a particularly advantageous deformation program of the door hinge according to the present invention, the longitudinal axis phase of hinge axis and cylinder
With, the first installation elements swings around this hinge axis relative to the second installation elements.Therefore, piston-cylinder unit simultaneously constitutes
The integrated ingredient of hinge, the i.e. swivel bearing of door hinge, be provided with two can mutually rotated on this swivel bearing
Individual installation elements.Piston-cylinder unit just can the most unobtrusively, and be integrated in door structure with little structure space.
Door hinge according to the second aspect of the invention preferably has operating element, and this operating element is for manually handling
State the regulating element for regulating at least one valve, wherein, operating element and regulating element are set especially for so adjusting
Save at least one gate, i.e. substantially completely block the exchange of damper fluid between the first working chamber and the second working chamber, or
Release this blocking-up.Its result is to achieve a kind of door hinge, and on the one hand it enable door damp ground, and it is possible to prevent unintentionally
The motion of middle striking door ground, and on the other hand this door hinge can be fixed on desired opening position by user.
Accompanying drawing explanation
Below by preferred embodiment, the present invention is described in detail referring to the drawings.Wherein:
Fig. 1 a and 1b shows front view and the side view of the door hinge according to the first embodiment of the present invention;
Fig. 2 shows the cross sectional view of the tangent line II-II along Fig. 1 a of the door hinge of first embodiment;
With the cross section comprising cylinder longitudinal axis, Fig. 3 a shows that the cross section of door hinge according to the second embodiment of the present invention shows
It is intended to;
Fig. 3 b shows the enlarged drawing of the section comprising valve in Fig. 3 a;
With the cross section comprising cylinder longitudinal axis, Fig. 4 shows that the cross section of door hinge according to the third embodiment of the invention is illustrated
Figure.
Detailed description of the invention
Jointly include for being fixed in door leaf and doorframe with the first embodiment of the door hinge of 10 labellings in the accompanying drawings
The first installation elements 12 on any element, the second installation elements 14 on another element being fixed in door leaf and doorframe
And piston-cylinder unit 16, the first installation elements 12 and the second installation elements 14 can phase rotatably by this piston-cylinder unit
Connect.As shown in drawings, installation elements 12,14 can be formed by fixed tabs, and this fixed tabs is by the fixture being suitable for
(being particularly screwed into the screw of through hole 18, not shown) is fixed on door leaf or doorframe.
Piston-cylinder unit 16 includes the cylinder 20 with longitudinal axis L and is at least partially inserted into the piston apparatus of cylinder 20
22, this piston apparatus has the piston rod 24 extended equally along longitudinal axis L.This piston rod 24 is both at axial first end of cylinder 20
At 26, also at second end 28 contrary with axial first end 26, stretch out cylinder 20.In other words, piston apparatus 22 is at longitudinal axis L
Axially on completely through cylinder 20.
By following will describe in detail in the way of, according to the present invention, piston apparatus 22 about cylinder 20 to carry out around vertical
The mode of the screw of axle L is kept.It means that piston apparatus 22 and cylinder 20 can be only at the spirals around longitudinal axis L
It is movable with respect on path, the most both there is the rotational component around longitudinal axis L, it may have along the axial fortune of longitudinal axis L
Dynamic component.
In two installation elements 12,14 one, is the second installation elements 14 at this, can transmit torsion with piston apparatus 22
Power ground, but can axially movably connect.Another installation elements, is that the first installation elements 12 can with cylinder regularly at this
Connect.Alternatively, between any one in cylinder 20 and two installation elements 12,14, the company that can move axially can be set
Connecing, piston apparatus 22 is then permanently connected with another installation elements.In this embodiment, cylinder is stretched out at piston rod 24
Being provided with longitudinal tooth on the section of second end 28 of 20, the corresponding of the receptacle 34 of this longitudinal direction tooth and the second installation elements 14 is indulged
Engage matchingly to tooth, this receptacle can axially movably accommodate piston rod 24.
Also referring to Fig. 2, the internal structure of piston-cylinder unit 16 is described in detail especially below.The inside bag of cylinder 20
Containing the first working chamber 36 and the second working chamber 38, the two working chamber is by being fixed on piston rod 24 and constituting piston apparatus 22
The piston 40 of a part spaced-apart.Two working chambers 36,38 are filled with damper fluid, particularly oil or other be suitable for
Liquid.In the illustrated embodiment, working chamber 36,38 defines relative to the wall 42 passing radially outward cylinder 20, and in this work
Making being axially away from longitudinal end of piston 40 of chamber to be defined by end unit 44,46 respectively, this end unit exists respectively
Insert at the end 26,28 of cylinder 20, in order to the inside of sealing cylinder 20, prevent damper fluid from overflowing.Particularly, end unit
44,46 sealing member 48 that can be respectively provided with the periphery sealing against piston rod 24, and can have bearing segment 50, live
Stopper rod 24 can rotate relative to cylinder 20 and be movably arranged on this bearing segment.
Piston-cylinder unit 16 also includes spiral connecting piece 52, forces piston apparatus 22 and cylinder by this spiral connecting piece
Relative motion between 20 is carried out on spiral path.In this embodiment, spiral connecting piece 52 has and is fixed on cylinder 20
The nut 54 of inner side, this nut is threaded engagement with the screw rod 56 of piston apparatus 24.Screw rod 56 can be specifically for around piston rod 24
And be fixed on piston rod 24 there is externally threaded sleeve, or can directly be realized by the external screw thread of piston rod 24.
Thread screw 56 can be in the major part of the axial length of piston apparatus, arbitrary in piston 40 and end unit 44,46
Extend between individual.In the illustrated embodiment, the second work that screw rod 56 is arranged between piston 40 and the second end unit 46
In chamber 38.Nut 54 can be fixed on the wall 42 of cylinder 20 in a suitable manner, such as by making at least one from cylinder wall
The protuberance 58 that 42 protrude inwardly from is meshed with the corresponding recess 60 of nut 54.
Owing to the screw between piston apparatus 22 and cylinder 20 comprises axial movement component, for piston apparatus 22 He
Relative motion between cylinder 20, the damper fluid exchange between the first working chamber 36 and the second working chamber 38 is necessary, i.e.
In two working chambers 36,38 one reduce in beneficially working chamber 38,36 another.Can set in piston 40 for this
Putting at least one damper fluid passage 62-1, this damper fluid passage allows the damping stream being defined between working chamber 36,38
Body exchanges or blocks this exchange.It is provided with two damper fluid passage 62-1 and 62-2 in the illustrated embodiment.
It is preferably provided with valve 64-1, in order to affect damper fluid and pass through phase at least one damper fluid passage 62-1
The flowing of the damper fluid passage 62-1 closed.In this embodiment, particularly it is provided with in the first damper fluid passage 62-1
First valve 64-1, and it is provided with the second valve 64-2 in the second damper fluid passage 62-2.
Valve 64-1 can be preferably check-valves, and wherein, valve port 66-1 is closed by valve body 68-1, wherein passes through spring element
Part 70-1 is to valve port 66-1 prestrain valve body 68-1, in order to close port 66-1.In this embodiment, spring element 70-1 is dish
Shape spring assembly, it has at least one disk spring being inserted on piston rod 24 coaxially, wherein this disk spring device
On the one hand it is supported on piston apparatus 22 in the axial direction, is on the other hand supported on valve body 68-1, in order to by valve body 68-1 pre-add
It is loaded in closed position.
Damper fluid passage 62-1 can widen at the section of valve 64-1 at it, particularly can be in the district of valve seat
Having opening in territory, valve body closes damper fluid passage 62-1, this aperture efficiency remaining damper fluid passage 62-1 on this valve seat
Size big.In the embodiment shown in Figure 2, damper fluid passage 62-1 increasing at gate 64-1 is to be holed by ladder
Realize.The size of the pressure needed for the size air exercise valve opening door of the valve port closed by valve body has conclusive impact.Pass through
Ladder boring can reach such effect, i.e. in order to valve is maintained at open position or/and be adjusted to another to open position
Put, need to depend on valve location, i.e. depend on the predetermined power of valve opening.Particularly by the step drill of diagram embodiment
Hole can reach such effect, i.e. needs relatively large power that valve moves to from closed position open position, and needs relatively
Valve is maintained at this open position by little power.Ladder boring can have one or more ladder.In the case of multi-ladder,
Multistage behavior of opening or the closedown behavior of valve corresponding with this can be realized.
If being provided with the second valve 64-2, this valve just can the most correspondingly design, but have in the axial direction
Action direction in contrast to the first valve 64-1.This is the most in fig. 2 it is meant that pass through the first spring element 70-1 by the first valve
Body 68-1 is preloaded into the position closing the first damper fluid passage 62-1 on the direction towards axial second end 28 of cylinder 20
Put, and by the second spring element 70-2 by the second valve body 68-2 of the second valve 64-2 in the opposite direction, i.e. towards gas
Prestrain on the direction of axial first end 26 of cylinder 20, in order to close the second damper fluid passage 62-2.
Above-mentioned valve 64-1 and 64-2 constitutes a pair contrary check-valves of action direction, thus at piston 40 along spiral road
Footpath is towards in the motion of the first end 26 of cylinder 20 or the second end 28, and it is right that in two valve 64-1 and 64-2 resists all the time
The power of spring element 70-1,70-2 of answering is opened, and allows damper fluid to pass through, and another valve 64-2,64-1 keep simultaneously
In closed position.
Door hinge 10a of the second embodiment of the present invention is described in detail referring to Fig. 3 a and 3b.Inquire into the most in detail at this
With the difference of first embodiment, remaining is then clearly with reference to the above-mentioned explanation for first embodiment.
According to the second embodiment, valve 64a includes spherical valve body 68a, and this valve body is positioned in valve port 66a, and this valve port makes resistance
Buddhist nun fluid passage 62a widens in axial end infundibulate.The diameter of the valve body 68a internal diameter slightly larger than damper fluid passage 62a.Valve
Body 68a by spring element 70a in the axial direction towards valve port 66a prestrain, in order to normal switching-off damper fluid passage 62a.Annular
Contact surface formed annular valve seat, under the closed position of valve 64a, valve body 68a in this contact surface against funnel
Shape opening 66a.
The structure of the valve 64a shown in Fig. 3 a and 3b obtains such effect, i.e. in order to mention valve on valve port 66a
Body 68a, requires more than the power of the first predetermined threshold, and then, when valve body 68a mentions from valve port 66a, due to valve body
The increase in the circulation face of 68a, the power needed for mentioning position that is maintained at by valve body 68a is less than mentioning required power before.Change sentence
Talking about, when the power acting on valve body 68a is less than the second predetermined threshold, valve 64a comes back to closed position from open position,
Wherein this second predetermined threshold is less than the first predetermined threshold.As a result of which it is, make piston-cylinder unit 16 transfer motion to from resting position
Required power is more than the power needed for the motion of maintenance piston-cylinder unit 16.
Describe the work of the door hinge 10 and 10a of the first embodiment of the present invention or the second embodiment referring to the drawings in detail
Make principle.
As installation elements 12,14 is permanently connected with door leaf or doorframe by way of expectations, then in the switching manipulation of door,
Be introduced from outside into door hinge 10, the moment of torsion of 10a is just delivered to piston-cylinder unit 16 by installation elements 12,14.In this embodiment
In, the moment of torsion of the second installation elements 14 is imported lived by longitudinal tooth of receptacle 34 and the longitudinal tooth 32 matched of piston rod 24
Plug device 22.Input piston-cylinder unit 16, moment of torsion between piston apparatus 22 and cylinder 20 forced by spiral connecting piece 52
Transfer spiral relative motion to, as a result of which it is, piston 40 also with translation component motion (axially along longitudinal axis L) towards
First end 26 of cylinder 20 or the second end 28 move.Only when the moment of torsion of input be large enough to make at least one valve 64-1,
When the power of the spring element 70-1 that 64a antagonism is corresponding is opened or is maintained at open position, such motion is only possible.
The total kilometres of piston-cylinder unit 16 can be limited, such as on end unit 44,46 by the sizing device being suitable for
Touch and stop.In order to touching of realizing releiving stops function, end unit 44,46 is preferably damped by elastomer member, to prevent from clashing into, and example
As by the way of supporting section 50 and being formed by elastomeric material.Alternatively, the axial length of screw rod 56 can be limited, in order to logical
Cross nut 54 to stop carrying out axial braking the touching of screw tip of screw rod 56.
Can be provided with regulating element in the first deformation program of first embodiment or the second embodiment, it makes from cylinder
20 external controls at least one valve 64-1,64a are possibly realized.It is possible at least one valve 64-1,64a, preferably institute
There is the valve being arranged in piston 40, be manually operated and regulate forcibly to open position or closed position.By owning
Valve regulated to closed position can block the damper fluid between the first working chamber 36 and the second working chamber 38 the most completely
Exchange, thus the motion of lockup piston-cylinder unit 16, and secure the doors in current open position or closed position.
The third embodiment of the present invention is described in detail referring to Fig. 4.Inquire into only in detail at this and first embodiment or the
The difference of two embodiments, remaining is then clearly with reference to the above-mentioned explanation for embodiment before.
Door hinge 10b of the second embodiment includes bypass channel 72, the axial length of this bypass channel more than piston 40 with
The axial length of cylinder 20 inner seal ground contact.If piston 40 is positioned on the axial location of bypass channel 72, this bypass channel
72 cross over piston 40 in the axial direction, then the exchange of the damper fluid between the first service aisle 36 and the second service aisle 38 is independent
In the position of the switch of at least one valve 64, the most also in the case of valve 64 is closed, realized by bypass channel 72.
Thus, axially-movable and the piston apparatus 22 thus occurred of piston 40 is at least bypassing relative to the spiralling of cylinder 20
On the axial height of passage 72, the position of the switch independent of valve 64 realizes.The axial length of bypass channel 72 is the most predetermined
The freely-movable scope of piston.
Particularly in the case of valve 64 is closed, the piston 40 motion in the range of bypass channel 72 is with the shape of damping
Formula is carried out, and wherein, the flow cross section of bypass channel 72 is depended in this damping.Can arrange many on identical axial location
Individual bypass channel, in order to expand flow cross section and reduce damping.As shown in Figure 4, it is also possible to set on different axial locations
Put multiple bypass channel, in order to limit the different loose running scope of piston 40, in the range of this loose running, piston-cylinder
The motion of unit is also possible in the case of valve 64 is closed.Axial first end near cylinder 20 is particularly illustrated at this
The first bypass channel 72-1 of 26, and the second bypass channel 72-2 of axial second end 28 near cylinder 20.As a result of which it is,
Even if when all valves 64 being arranged in piston 40 are all closed, the piston-cylinder unit of the 3rd embodiment is at end position
Can also be respectively at specific range of motion.
The advantage that at least one bypass channel 72 can also have the locking simplifying piston-cylinder unit 16b is set.Due to gas
Bypass channel 72 on cylinder 20, easily from external contact, which provides the mode of a kind of simple in construction, by regulating element, i.e.
The flow cross section of bypass channel 72 can be affected from external hand or the valve of Electronic control or similar device.
Claims (15)
1. a piston-cylinder unit (16), it includes
Have the longitudinal axis (L) cylinder (20) and
Piston apparatus (22) that insert described cylinder (20), that can move along the described longitudinal axis (L), described piston apparatus has
Piston rod (24) and piston (40),
Wherein, described piston rod (24) runs through described cylinder (20) along the described longitudinal axis (L), thus described piston rod is both axially
First end (26) place, stretches out described cylinder (20) at contrary axial second end (28) place again,
Wherein, described piston (40) will be filled with in the inner chamber of described cylinder (20) first working chamber (36) of damper fluid with
The second working chamber (38) being filled with damper fluid separates,
It is characterized in that, described piston apparatus (22) and described cylinder (20) are connected with each other by spiral connecting piece (52), thus
Enable the two relative to each other for the helical movement around the described longitudinal axis (L).
Piston-cylinder unit the most according to claim 1 (16), it is characterised in that solid on the inner side of described cylinder (20)
Surely spiral type adnexa or nut (54), wherein, described spiral type adnexa or described nut or the most axially displaceably it are provided with
(54) with counter element (56) luer engages with of described piston apparatus (22).
3. according to the piston-cylinder unit (16) described in claim 1 or claim 2, it is characterised in that at described piston rod
(24) be arranged at the section outside described piston-cylinder unit is provided with rotation transmitting element (34), described rotates transmission unit
Part can transmit rotatably with described piston rod (24) and axially displaceably be connected, and described rotation transmitting element relative to
Described cylinder (20) remains and is not axially movable but rotatable.
4. according to the piston-cylinder unit described in claim 1 or claim 2, it is characterised in that at the foreign section of described cylinder
On be provided with rotation transmitting element, described rotation transmitting element and described cylinder can transmit rotatably and axially displaceably
Connect, and described rotation transmitting element remains relative to described piston apparatus and is not axially movable but rotatable.
5. according to the piston-cylinder unit (16) described in aforementioned any one of claim, it is characterised in that described first working chamber
And described second working chamber (38) is by least one damper fluid passage (62-1,62-2 (36);62a;72) it is connected with each other, institute
State damper fluid passage be formed in described piston (40) or be formed at described cylinder (20) place as bypass channel (72), its
In, preferably it is provided with in described damper fluid passage or at the opening part of described damper fluid passage and affects flow cross section
Valve (64;64-1、64-2;64a).
Piston-cylinder unit the most according to claim 5 (16), it is characterised in that described valve (64;64-1、64-2;
64a) can be adjusted to closed mode, under described closed mode, described valve completely closes described damper fluid passage (62-
1、62-2;62a;), particularly, the friendship of the damper fluid between described first working chamber (36) and described second working chamber (38)
Change and substantially completely block.
7. according to the piston-cylinder unit (16) described in claim 5 or claim 6, it is characterised in that described valve (64;
64-1、64-2;64a) there is spherical valve body.
8. according to the piston-cylinder unit (16) described in any one of claim 5~7, it is characterised in that described valve (64;64-
1、64-2;64a) can be controlled by regulating element, particularly can magnetic control.
9. according to the piston-cylinder unit (16) described in any one of claim 5~8, it is characterised in that described valve (64;64-
1、64-2;64a) be preloaded in closed position, and in damper fluid, the work of the pressure that exceedes predetermined first threshold
It is switched to open position under with.
Piston-cylinder unit the most according to claim 9 (16), it is characterised in that when the pressure in damper fluid is less than the
During two threshold values, described valve (64;64-1、64-2;64a) being switched to closed position from open position, described Second Threshold is less than
Described first threshold.
11. according to the piston-cylinder unit (16) described in any one of claim 5~10, it is characterised in that damp at least two
In fluid passage (62-1,62-2) or the opening part of at least two damper fluid passage be respectively arranged with check-valves (64-1,
64-2), wherein said check-valves (64-1,64-2) has opposite effect direction.
12. 1 kinds of door hinges (10;10a;10b), it includes
For the first installation elements (12) being arranged on door leaf,
For the second installation elements (14) being arranged on doorframe, and
According to the piston-cylinder unit (16) described in aforementioned any one of claim,
It is characterized in that, in said two installation elements (12,14) can transmit rotatably with described cylinder (20) even
Connect or formed by described cylinder, and another in said two installation elements (12,14) can transmit rotatably with described work
Stopper rod (24) connects or is formed by described piston rod.
13. door hinges (10 according to claim 12;10a;10b), it is characterised in that described cylinder is or/and described work
Stopper rod axially displaceably and is torsionally maintained at the described installation elements of correspondence.
14. according to the door hinge (10 described in claim 12 or claim 13;10a;10b), it is characterised in that described hinge
Axle overlaps with the longitudinal axis (L) of described cylinder (20), described first installation elements (12) around described hinge axis relative to described
Two installation elements (14) swing.
15. according to described in any one of claim 12~14, there is piston-cylinder unit according to claim 5 (16)
Door hinge, it is characterised in that described door hinge has the operating element for manually handling described regulating element, in order to basic
On block the exchange of damper fluid between described first working chamber and described second working chamber (36,38) completely, or release institute
State blocking-up.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014203882.0 | 2014-03-04 | ||
DE102014203882.0A DE102014203882B4 (en) | 2014-03-04 | 2014-03-04 | Piston-cylinder unit and door hinge with a piston-cylinder unit |
PCT/EP2015/054407 WO2015132254A1 (en) | 2014-03-04 | 2015-03-03 | Piston cylinder unit and door hinge with a piston cylinder unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106170600A true CN106170600A (en) | 2016-11-30 |
Family
ID=52649004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580019646.7A Pending CN106170600A (en) | 2014-03-04 | 2015-03-03 | Piston-cylinder units and the door hinge with piston-cylinder units |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106170600A (en) |
DE (1) | DE102014203882B4 (en) |
WO (1) | WO2015132254A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108836488A (en) * | 2018-06-12 | 2018-11-20 | 丽水市人民医院 | A kind of operating room all-purpose instrument mounting table |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2021000146A (en) | 2018-07-06 | 2021-05-12 | Moshun Llc | Systems and devices for adjustable door closure control. |
US11867252B2 (en) | 2021-01-08 | 2024-01-09 | Moshun, LLC | Systems and devices for motion control |
US20230304344A1 (en) * | 2022-03-23 | 2023-09-28 | Moshun, LLC | Systems and devices for motion control |
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US3335452A (en) * | 1965-04-23 | 1967-08-15 | Independent Lock Co | Adjustable door closer |
US4358870A (en) * | 1980-08-14 | 1982-11-16 | Hong Chang H | Hydraulic hinge with door closing mechanism |
WO2002057578A2 (en) * | 2001-01-17 | 2002-07-25 | Sole Teck Inc. | Door hinge device having damping function |
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DE102006019548A1 (en) * | 2006-04-27 | 2007-11-08 | SWS Gesellschaft für Glasbaubeschläge mbH | Hydraulic damping system for hinge has a hydraulic piston inside the hinge and with flow control disc valves each side of the piston |
CN102561871A (en) * | 2011-12-02 | 2012-07-11 | 浙江工业大学 | Automatic door closing hinge with separate tension and speed adjustments |
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DE3433891A1 (en) * | 1984-09-14 | 1986-03-27 | Geze Gmbh, 7250 Leonberg | LOCKING DEVICE FOR DOOR CLOSER |
DE4426415C2 (en) * | 1994-06-17 | 1998-05-07 | Stabilus Gmbh | Locking device |
DE102006016826B4 (en) * | 2006-04-07 | 2020-06-18 | Stabilus Gmbh | Opening device for a flap |
DE102007043882A1 (en) * | 2007-09-14 | 2009-03-26 | Stabilus Gmbh | Extension spring arrangement for use with flap arrangement, particularly rear flap arrangement, for opening flap, particularly rear flap, of motor vehicle, has extension spring element for opening flap |
DE102011006011A1 (en) | 2011-03-24 | 2012-09-27 | Aktiebolaget Skf | Vehicle i.e. passenger car, has spring and/or damping element operatively arranged between body and door, and switchable valve unit connected with switch over actuating element that is designed as bowden-cable |
-
2014
- 2014-03-04 DE DE102014203882.0A patent/DE102014203882B4/en active Active
-
2015
- 2015-03-03 CN CN201580019646.7A patent/CN106170600A/en active Pending
- 2015-03-03 WO PCT/EP2015/054407 patent/WO2015132254A1/en active Application Filing
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US3335452A (en) * | 1965-04-23 | 1967-08-15 | Independent Lock Co | Adjustable door closer |
US4358870A (en) * | 1980-08-14 | 1982-11-16 | Hong Chang H | Hydraulic hinge with door closing mechanism |
WO2002057578A2 (en) * | 2001-01-17 | 2002-07-25 | Sole Teck Inc. | Door hinge device having damping function |
CN2709605Y (en) * | 2004-02-20 | 2005-07-13 | 施有信 | Hinge automatic chosing door |
CN1981143A (en) * | 2004-07-01 | 2007-06-13 | 阿文美驰技术有限责任公司 | Gas spring with integrated lead screw drive |
DE102006019548A1 (en) * | 2006-04-27 | 2007-11-08 | SWS Gesellschaft für Glasbaubeschläge mbH | Hydraulic damping system for hinge has a hydraulic piston inside the hinge and with flow control disc valves each side of the piston |
CN102561871A (en) * | 2011-12-02 | 2012-07-11 | 浙江工业大学 | Automatic door closing hinge with separate tension and speed adjustments |
Cited By (1)
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CN108836488A (en) * | 2018-06-12 | 2018-11-20 | 丽水市人民医院 | A kind of operating room all-purpose instrument mounting table |
Also Published As
Publication number | Publication date |
---|---|
DE102014203882A1 (en) | 2015-09-10 |
WO2015132254A1 (en) | 2015-09-11 |
DE102014203882B4 (en) | 2022-03-24 |
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