CN204826975U - Damping device and hinge means system - Google Patents

Damping device and hinge means system Download PDF

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Publication number
CN204826975U
CN204826975U CN201520258448.3U CN201520258448U CN204826975U CN 204826975 U CN204826975 U CN 204826975U CN 201520258448 U CN201520258448 U CN 201520258448U CN 204826975 U CN204826975 U CN 204826975U
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CN
China
Prior art keywords
damping
cam
piston
rotating shaft
hinge
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CN201520258448.3U
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Chinese (zh)
Inventor
邹忠
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BESTKO PRECISION Ltd
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BESTKO PRECISION Ltd
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Priority to GB1407351.4A priority Critical patent/GB2525444A/en
Priority to GB1407351.4 priority
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00Additional features or accessories of hinges
    • E05D11/10Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E05D11/105Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis
    • E05D11/1064Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis with a coil spring perpendicular to the pivot axis
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • E05D7/08Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • 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
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12Mechanisms in the shape of hinges or pivots, operated by springs
    • 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
    • E05F3/10Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • 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

Abstract

The utility model relates to a damping device and hinge means system, damping device contain and install on an axis and can be for the pivot of casing pivoted, with the damping piston of pivot meshing and be used for the flow path of hydraulic fluid, the pivot has cam surface, and the cam follower surface is a perpendicular to piston axis to the follower head that has the rising at the middle position of piston, and the value of displacement when being close closed position the that wherein configuration on cam surface and follower surface was selected so that the damping piston that the increment caused is rotated to the angle of pivot is the biggest. The hinge means system includes and further contains the detached hinge by damping device, closes the piston and has the pivot that is used for applying the cam surface that closes the door of doing all can.

Description

Damping unit and hinge means system
Technical field
The utility model relates to the damping unit of the hinge for door or other closure.The utility model is in particular to damp hinge or the closure member for having frame or frameless glass door or timber.The utility model also relates to for being connected to a closure member for band damping.The utility model in particular to but the inner hinge not only related to for timber or glass door.
Background technology
Timber or glass door majority are heavy.Glass door may have bilayer or triplex glass, particularly when its plan is used to outdoor application or for cold store.Timber may be very large, and may need firm hinge, to provide reliable automatic door-closing to centering fastening position, so as not to needing extra bolt or stop device.These doors can comprise Nei Zhi Door Block disclosed in US6560821 or WO2011/020630.
Although multiple damping unit is disclosed, still expect hinge or closure member at it close to the further damping that can provide controlled degree during fastening position.In this device, can not hinder normally close the door under avoid Yin Men to slam damage.
Utility model content
According to the utility model, a kind of damping unit turning to fastening position from open position for controlling hinge comprises:
Being arranged on also can relative to the rotating shaft of housing into rotation on axis;
Housing comprises the damping piston engaged with rotating shaft, and rotating shaft is with cam face;
This damping piston can move in hole, hole extension radial relative to rotating shaft;
This damping piston with driven member surface or cam follower surperficial, spring impels this driven member surface to engage with the cam face of rotating shaft;
This cam face is configured to impel damping piston when fastening position shifted to by hinge away from shaft axis;
This damping unit comprises the stream for hydraulic fluid further, it is arranged so that damping piston causes fluid to flow freely stream from fastening position toward the motion of open position, and to be arranged further so that damping piston causes fluid flow restrictions system, with damping closing movement from open position motion toward fastening position;
Wherein, cam follower surface is perpendicular to piston axis, and is equipped with the driven member head of rising in the interposition of piston; And
Wherein the configuration on cam face and driven member surface is selected so that when close to fastening position, and the displacement of the damping piston that the angular turn increment of rotating shaft causes is maximum.
Be preferably for timber or glass door according to hinge of the present utility model, be more preferably for timber or the internal hinge of glass door having frame.A pair fixture can be provided so that door-plate is fastened to hinge.Hinge movement to open or close position correspondingly by movable for door to opening or closing position.
Or, timber or other top edge can be secured to easily according to the closure member of door of the present utility model, and connect formula arm with being fastened to doorframe Hinge.In this device, rotating shaft is installed in housing with around extending through housing and rotating with the axis that the hinge axes of door separates.This damping unit is described as relevant to damp hinge in this manual, but can recognize that for the damping piston of the closure member device of door and the configuration of rotating shaft can be identical.
Rotation increments can be the angular turn increment turning over such as 10 °, the displacement of piston according to every 10 ° rotation increments and determine.In the utility model, exceed the fluid displacement of 10 ° of increments corresponding 90 ° and 20 ° in scope from 20 ° to 10 ° or from the discharge capacity of fluid during the rotation of 10 ° to 0 °.
In a first embodiment, hinge can comprise closure piston further, and it is parallel with damping piston or diameter is relative, and is configured to the closedown cam face acting on rotating shaft.
Or this damping and this closure piston can be arranged in the different hinges of door, so that hinge provides closing forces and another hinge (particularly in the terminal stage of closing movement) to provide the power of damping closing movement.
In a preferred embodiment, cam follower surface and closedown cam face are also extend between two positions of shaft axis.
Preferably, the damping along rotating shaft that cam face does not interrupt extends with the whole height or axial length of closing cam face.This makes rotating shaft and damping piston manufacture simple and economical and reduce wear.
Particularly preferably hinge also can rotate 90 ° relative to rotating shaft in one direction or in both direction when moving to fully open position from complete fastening position.This device allows that stop surfaces is provided as when needed perpendicular to the closedown cam face in rotating shaft.
In a preferred embodiment, damping unit increases the displacement of damping piston during being arranged in the final stage of hinge cut out.Such as, damping piston rotating through by 20 ° to 0 °, preferably by 10 ° to 0 °, can be more preferably and increasing by during the angle step of 5 ° to 0 ° away from the displacement of shaft axis.This provides larger pressure to the fluid that damped piston is discharged.But the flowing of fluid is limited by one or more adjustable valve, thus damping force is applied to rotating shaft, lower the speed the motion of damper door of rotating.The slewing rate of rotating shaft lowers along with close to 0 ° of position, because damper flow path fluid flow rate is provided with most ceiling value.
The configuration on the cam of hinge and the surface of cam follower, particularly radial profile, advantageously to be selected to control during hinge is close to damping piston during fastening position in the end those angle steps the distance of movement.
The profile of damping cam face and the configuration of driven member are preferably selected to control during turning, and damping piston is from the distance of shaft axis, and the distance particularly causing piston when complete fastening position to be is grow most.Preferably, near fastening position, this increases apart from anxious Drama.
In former known damp hinge or closure member, the damping force that controls to be applied to 10 ° of periods of finally closing the door difficulty, makes tolerance because need, such as, accurately to flat contact surfaces ± 0.2 millimeter tolerance.Relative to device known in the past, the utility model can reduce the needs relying on accurate making tolerance.
Cam follower surface is preferably fixed to piston and integral with it.Roller or other mobilizable contact surfaces is used to be preferred, because it is difficult to keep to make accuracy to control damping force accurately, to be difficult to prevent wearing and tearing when Long-Time Service.
Cam follower surface is essentially perpendicular to the axis of piston, but its in the centre position of piston with the driven member head raised.Driven member head can extend in parallel with shaft axis.Adjacent cam follower surface can be plane or concave surface substantially.Or this surface can be that other profile is to control distance from shaft axis to piston.
Cam follower surface can with a width, and this width is chosen as to engage with the cam face of rotating shaft when a certain needs provide the angle orientation of the damping of enhancing, the normally contiguous complete fastening position of this angle orientation.
The driven member head of cam follower preferably extends to shaft axis from the plane on adjacent driven member surface, and can along piston axis and towards shaft axis direction with maximum dimension.When axis of rotation, the advancing the speed of axial dimension of the middle body of driven member can be controlled to allow the fluid pressure correspondingly controlled in damper flow path.
The profile of the cam face of rotating shaft can be bias in plan view, and in the position of wherein engaging with cam follower surface (particularly driven member head) in the complete fastening position of hinge, radial dimension is maximum.Preferably, in a fully closed position, cam face is symmetrical on the center line both sides of the medium line through piston.
Main closedown and damping cam face can together with form the cam contour of heart or pyriform.But, in a preferred embodiment, profile is bishop's cap (mitre) shape, wherein two nonreentrant surfaces extend from the base portion of general planar to taper off to a point, wherein close cam face and comprise described base portion, and damping cam face extends to tip from base portion, tip is positioned at the contact point of complete fastening position.
Or rotating shaft can be triangle in the plan view in cross section.
In the first embodiment, close identical along the position of shaft axis with damping cam face.This device reduces the mutual stubborn power be applied on rotating shaft and bearing, and it is minimum to allow that the height of housing is reduced to.
Or, in a second embodiment, close and damping cam face can be arranged in different axial locations consequently one in the housing along shaft axis on another.Preferably, closing can be parallel in the same side of shaft axis with damping piston.Such device is open in GB2484527, and its disclosure is incorporated in the disclosure of the specification by reference comprehensively.
In a preferred embodiment, closedown and damping unit extend from shaft axis is radial in an opposite direction.
In further alternate embodiment, rotating shaft can with axially closing the damping cam face between cam face at two, and closing cuts somebody's hair comprises two plate-like pieces, and it extends to close cam face engage with two to rotating shaft.
On the contrary, closing cam face can between two damping cam follower surface, and damping piston is with two cam followers, and it extends to engage with two driven member surfaces to rotating shaft.
In these devices, decrease the wearing and tearing of countershaft, because each piston only engages with respective cam face.But this device may not have so firm.
Use closedown separately and damping unit to allow that it can create by simple and firm structure separately, so that the damping curve of closing forces and damping force and each device selectedly can must be applicable to any special application.Such as, heavy door or large door easily slam in use, just can use stronger damping unit.
This damping piston is positioned at the opposite side of rotating shaft relative to this closure piston, this provides and both compares with damping piston the structure more balanced with closure piston at the hinge of the same side of shaft axis.The wearing and tearing of those bearings are reduced, and make those cam faces after a long time use and the possibility of misalignment is lower.When inner stop surfaces is relatively tiny, this is particular importance, because if this rotating shaft can not accurately be aimed at, then the edge on these surfaces may become easy to wear.
The collar that this damping piston can comprise piston head and can move slidably in cylinder body.
Working fluid is oil or hydraulic fluid preferably.
In a preferred embodiment, adjustable valve is had to be positioned at housing;
First conduit communicates between first chamber and this adjustable valve of the side of this damping piston;
Second conduit is to communicate between the second chamber of the opposite side of this damping piston and this adjustable valve;
Therefore the adjustment of this valve controls working fluid from this first chamber to the flow of this second chamber, shifts to this fastening position or centered positions with this hinge of damping.
Single adjustable valve is used to be preferred.But, if required, two or more adjustable valve can be used.When use two valves, a valve can be opened during the whole closing movement of this hinge, and another valve can cut out in certain selected angle position (when such as closing on this complete fastening position when this hinge) of hinge because of the motion of this damping piston.
This damping unit comprises the stream of working fluid, its from spring place, chamber that the rear end of contiguous damping piston is formed extends to this adjustable valve, and extends to the outer front surface of this damping piston with the cam of this rotating shaft in the chamber wherein engaged from this adjustable valve.Therefore, those movable parts all remain on good lubricating status.
Single or multiple adjustable valve can be positioned at the outside of this housing, makes adjustment simple and facilitates.
This shutoff device is arranged in the chamber that this housing separates, and can be filled with oil or other fluids, but this is optional.When using piston apparatus, one or more opening can be provided with, with when this piston is in use flexible, make this working fluid can circulation.The dimension of this opening can be configured to the flow of limit fluid, for this hinge provides extra damping.Or this opening can must be enough to greatly allow to flow freely.
When this hinge be together use with glass door time, those fixtures can be suitable for glass door panel securely to engage.This glass door panel can with hole, to hold the bolt by those fixtures.Alternately or in addition, those fixtures also can pass through frictional force or engage with this glass plate through use adhesive.
Accompanying drawing explanation
Now with reference to the accompanying drawings, the mode by way of example but not with any restrictive, sense further describes the utility model, wherein:
Fig. 1 shows the exploded view according to hinge of the present utility model;
Fig. 2 shows each view of the damping piston of hinge as shown in Figure 1;
Fig. 3 shows the rotating shaft of hinge as shown in Figure 1;
Fig. 4 is the schematic diagram representing rotating shaft and closedown and damping piston;
Fig. 5 and Fig. 6 is the sectional view of hinge;
Fig. 7 is the plan view representing hinge movement;
Fig. 8 shows alternative damping piston;
Fig. 9 shows the damping piston of Fig. 8, and itself and rotating shaft and closure piston use jointly;
Figure 10 shows the damping piston of Fig. 8, and it uses jointly with the rotating shaft substituted;
Figure 11 is the schematic diagram of the closure piston of another replacement device, damping piston and rotating shaft;
Figure 12 shows alternative damping piston; With
Figure 13 shows alternative rotating shaft.
Detailed description of the invention
Hinge shown in Fig. 1 comprises housing (1), and it is with cover plate (2,3) and have one or more groove to hold the channel (4) of the glass plate of door.Floor plate (5) is with socket (6) and lid (7).Floor plate is with as the bolt hole be fixed on the ground.Socket (6) with keyhole socket (8) to hold the corresponding protuberance of shape (9) of rotating shaft (10).Rotating shaft (10) is accommodated in the hole (as shown in Figure 5) in housing (1), and is installed to that bearing (11,12) maintains sealing to allow housing in use to rotate oil-proof.
In alternative embodiments, housing can be arranged to the recess being arranged in ground or ceiling, and installation panel can be adapted to the lower limb or top edge that are secured to door so that rotating shaft is rotated together with door relative to the housing be fixed.But the function of damping unit is the same in these two embodiments.
Closure piston (13) be slidably received in housing (1) hole (17) among, urged toward rotating shaft (10) by inner spring (14) and outer spring (15).Hole (17) is closed by end cap (16) to provide hermetically-sealed construction.
This piston (13) is with the cylinder-shaped body of hollow, and its dimension is set as holds spring (14,15).Cut somebody's hair (18) with plane-parallel upper surface as shown in Figure 5 and soffit (19,20).
Cut somebody's hair (18) with flat contact surfaces (21), it extends transverse to piston, perpendicular to upper surface and soffit (19,20) and parallel with shaft axis to form tabular configuration.
Rotating shaft (10) forms seat apparatus, its comprise plane cam surface (22) and be positioned to receive the respective surfaces (19,20,21) of cutting somebody's hair and with its guide surface engaged completely (23,24), to form the seat for piston, in the complete fastening position of hinge, piston is accommodated in a stable configuration wherein.
Hinge is promoted the position closed, feel relieved by spring (14, the 15) power be applied on piston in use.
Damping unit comprises the damping piston (25) in the hole (no display) being contained in housing (1).Damping piston is urged to rotating shaft (10) by spring (26).End cap (27) surrounds and seals this hole.Dan among hollow piston main body (25) is Xiang Valve (128) and valve seat (129), allow oil or the flowing of other hydraulic fluids when hinge through shifts to rotating shaft to open position, damping piston along hole, but prevent hydraulic fluid from flowing in period of closing the door when piston moves apart rotating shaft.Like this, hinge-opening is just not damped.When closing the door, liquid is forced through the damper flow path comprising one or more adjustable valve as described below.
Fig. 2-4 shows the configuration of damping piston and rotating shaft.
Fig. 2 shows the phantom drawing of damping piston, plan view and two elevations.With the supporting member extended forward (29), cam follower surface is shown as (28) cylindrical piston body (25) substantially.Supporting member (29) is used to support driven member surface (28) and the vertical dimension with tool change.The vertical dimension of the lateral outer (30) of supporting member is maximum, thus attenuating piston twists in use.The dimension in region (31) reduces, and the vertical dimension of the head of central driven member (32) is larger.The head (32) of driven member is for the damping cam face driven member as rotating shaft (10).Cam follower surface (28) is with the central portion (32) raised, and its adjacently situated surfaces from the substantitally planar of the end of damping piston (33) extends to form the head (32) extended vertically along the surface (33) parallel with shaft axis.Head (32) formed be used for or close to the oblong cams driven member engaged with the tip of the damping cam face of rotating shaft during complete fastening position.The cross section profile of head (32) or its height and width are chosen to damping piston to push away the suitable distance of rotating shaft one section, causes the pressure increase of hydraulic fluid among damper flow path, thus provide larger damping force.This is the closing forces in order to be provided by closure piston weighing apparatus when hinge close closedown completely orientation.
The head of driven member is with top and bottom (34,35) to provide elongated contact surface to transmit rotatory force from rotating shaft to increase when hinge is closed hydraulic fluid at the pressure of chamber, and chamber limited by the rear inner surface of damping piston (25), hole and end cap (27).
Fig. 3 shows each view of rotating shaft (10).Bar (36) in bottom with protuberance (9) to engage with the keyhole socket (8) of floor plate (5).The cylindrical collar (37,38) is arranged engage with the inner surface of housing mesopore (not showing) thus guarantee that rotating shaft is correctly aimed at.The upper end (39) of bar is housed inside in the bearing (12) in the socket of housing.
Rotating shaft closes cam face (22) with dominant plane, and it extends across shaft axis substantially.Upper and lower guide surface (23,24) radially on cam face (22) and downward-extension, be formed in hinge Give tabular when fastening position cut somebody's hair (18), the seat of parallel side.The stop surfaces (41,42) stayed open perpendicular to main cam face (22) is the both sides being positioned at rotating shaft, to engage with the contact surface (21) of cut somebody's hair (18) in the fully open position of hinge.
Damping cam face (40) radially stretches out from rotating shaft, and with monosymmetric bishop's cap shaped configuration, its tip (45) in the complete fastening position of hinge towards damping piston.Upper and lower guide plate to be placed on cam face (40) and under, to hold and to settle the driven member surface (28) of damping piston (25).The radial dimension of guide plate is larger than cam face (40), and comprises the cam face (48,49,51,52) of bishop's cap shape, and it respectively carries backward tip (50).
Fig. 5 and Fig. 6 is the sectional view of hinge and the stream illustrated for hydraulic fluid.The threaded adjustable needle-valve (53,54) being positioned at the upper surface of housing (1) is the flowing of the hydraulic fluid for regulating the damped piston discharge when fastening position shifted to by hinge.When hinge is closed, damping piston (25) is rotated by cam (40) and pushes away shaft axis.Hydraulic pressure closing one-way valve (128) in first chamber therefore fluid is forced and is flowed through passage (56,57,58) through adjustable valve (54,53) and the second chamber entered before damping piston head and between rotating shaft.The opening of regulating valve (53,54) can control the flank speed of fluid flowing, and controls hinge damping degree further.
During transferring at hinge the position closing 0 ° completely to from the position of opening 90 ° completely, the relative housing into rotation of rotating shaft, turns over the angle step of multiple such as 10 °.Bending and the radial dimension of the bishop's cap shape of cam face (40) is selected to make the surface of the general planar of cam follower be moved apart distance that is identical or that gradually increase from shaft axis in the increment (such as by 10 ° of increments of 90 ° to 80 °, 10 ° of increments of 80 ° to 70 ° etc.) of 10 ° of every order.When the tip (45) of cam is close to middle position, be typically in 10 ° of increments of 20 ° to 10 °, the end of cam face (40) is engaged with the head (32) of driven member, increases the speed that piston moves apart shaft axis.Which increase the maximum speed of hydraulic fluid when the pressure of the first chamber and attenuating hinge are closed.
When reaching the last 10 ° of angle steps by 10 ° to 0 °, the head of most advanced and sophisticated (45) contact driven member, causes the movement rate of the piston in hole to increase until provide maximum damping force when reaching the position closing 0 ° completely.By this method, door bang the sound that fluid flow rate and therefore damping force increase to prevent from being connected to hinge is greatly shut.
Fig. 7 be the damping piston of display shown in Fig. 8 or 10 rotating shaft increment rotate time a series of plan views of motion.
Fig. 8 shows the phantom drawing of alternative damping piston, plan view and elevation.This piston is with the head of cylinder-shaped body (60) and the cam follower across piston crown.Head (61) the vertical extension diametrically of central authorities' driven member is across piston, parallel with shaft axis.Recess (62,63) extends laterally to form vertical extension from head (61), and it is positioned at from the radial distance away from shaft axis.The cross section profile of recess be selected to be formed cam follower surface with rotate in rotating shaft cooperation with the axially-movable of control piston.
Planar table (64,65) is provided with at the side outward flange of piston crown.This component increased is used for lowering the tendency that twists in hole in use of piston, and excessively extends to shaft axis in use to prevent damping piston against stop surfaces (66) (as shown in Figure 5) of housing.
Fig. 9 is a schematic diagram, it illustrates a kind of hinge means, and wherein closure piston (67) and damping piston as described in Figure 8 (68) are arranged to engage with the respective cam face (69,70) of rotating shaft (71) abreast.This configuration together uses with hinge disclosed in GB2484527, and its disclosure is incorporated to herein in the mode of reference comprehensively.
Figure 10 is another configuration that the damping piston of Fig. 8 is used to the hinge only providing damping function.Piston (72) engages as above with the cam face of rotating shaft (73).Closedown hinge separately can be provided.
The schematic diagram of the replacement device that Figure 11 display uses jointly according to damping piston of the present utility model and closure piston (75), closure piston (75) cuts somebody's hair (76,77) with the tabular of two (upper and lower), each correspondence upper and lower cam face (78,79) being positioned at rotating shaft (80) separately, its to be positioned on damping cam face (81) and under.Those cam faces limit by upper and lower cylindrical plate (82,83,84,85) so that the driven member (87) of damping piston (86) is accommodated between adjacent cylindrical plate (83,84).The driven member surface (88) of plane is with the driven member head (89) being positioned at central authorities, and itself and shaft axis vertically extend abreast.
Figure 12 shows another damping piston substituted, and it comprises cylindrical piston body (90), and piston main body is with to the cylindrical driven member supporting member (91) of going to shaft axis to extend.The diameter of driven member supporting member (91) is less than damping piston main body (90).The central surface of driven member is with driven member head (92), and it vertically extends on transfer axle axis being parallel ground as previously mentioned.Recess (93,94) is in the both sides of head (92), and stopping part (95,96) is positioned at the both sides of the edge on driven member surface.
Figure 13 shows another rotating shaft configuration, similar shown in its to Fig. 3 but do not have guide plate (48,49,51,52), so that damping cam face (100,101) extends to whole height or the axial length of closedown cam face.

Claims (12)

1. damping unit, it turns to fastening position for controlling hinge from open position, comprises:
Being arranged on also can relative to the rotating shaft of housing into rotation on an axis;
This housing comprises the damping piston engaged with rotating shaft, and this rotating shaft is with cam face;
This damping piston can move in a hole, and this hole relative to this rotating shaft radially;
This damping piston is with driven member surface, and surperficial being impelled by a spring engages with this cam face of this rotating shaft this driven member;
This cam face is configured to impel this damping piston when this fastening position shifted to by this hinge away from shaft axis;
This damping unit comprises the stream for hydraulic fluid, it is arranged so that this damping piston causes fluid to flow freely this stream from the motion of fastening position, and to be arranged further so that damping piston causes fluid flow restrictions system, with damping closing movement from open position motion toward fastening position;
Wherein, cam follower surface is perpendicular to piston axis, and has the driven member head of rising in the middle position of this piston; And
Wherein the configuration on this cam face and this driven member surface selected so that this rotating shaft angular turn increment the displacement of this damping piston that causes being maximum close to value during fastening position.
2. damping unit as claimed in claim 1, this rotating shaft also comprises closure piston further with cam face, and it is relative with damping piston diameter or parallel, and is configured to act on this cam face.
3. the damping unit as described in aforementioned any one claim, wherein this cam follower is plane substantially, forms the head extended to this shaft axis from the surface of plane in the centre position of this cam follower.
4. damping unit as claimed in claim 1, wherein in plan view, be at hinge in the position of the position closed completely engaging with cam follower, the radial dimension of the profile of this cam face is maximum.
5. damping unit as claimed in claim 4, wherein in a fully closed position, this cam face is symmetrical on the center line both sides of the axis through piston.
6. the damping unit as described in claim 4 or 5, wherein this cam face comprises two nonreentrant surfaces formation one tips.
7. damping unit as claimed in claim 1, the cross section of wherein this rotating shaft is triangle.
8. damping unit as claimed in claim 1, wherein this rotating shaft is with closedown cam face and damping cam face, and two surfaces are identical along the position of this shaft axis.
9. damping unit as claimed in claim 1, its shaft is with closedown cam face and damping cam face, and two surfaces are arranged in the diverse location of shaft axis.
10. damping unit as claimed in claim 1, comprises the adjustable valve being positioned at this housing further;
First conduit, communicates between its first chamber in this damping piston side and this adjustable valve;
Second conduit, communicates between its second chamber at this damping piston opposite side and this adjustable valve;
Therefore the adjustment of this valve controls working fluid from this first chamber to the flow of this second chamber, shifts to this fastening position or centered positions with this hinge of damping.
11. damping units as claimed in claim 10, comprise one or more adjustable valve.
12. hinge means systems, comprise damping unit as claimed in claim 1, comprise hinge separately further, comprise closure piston and with for applying the rotating shaft of closing forces to the cam face of door.
CN201520258448.3U 2014-04-25 2015-04-27 Damping device and hinge means system Active CN204826975U (en)

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ITUA20164273A1 (en) * 2016-06-10 2017-12-10 Ol Mi S R L Assembly for the automatic closing of a closing element, such as a leaf, a door or similar
ITUA20164272A1 (en) * 2016-06-10 2017-12-10 Ol Mi S R L Assembly for the automatic closing of a closing element, such as a leaf, a door or similar
CN106168093B (en) * 2016-08-31 2017-12-22 宁波市五角阻尼股份有限公司 A kind of adjustable glass clamp of automatic door-closing speed
CN107100474B (en) * 2017-05-27 2018-08-07 佛山市南海区松岗浩能五金塑料有限公司 A kind of closer for allowing door independently to close
GB2567221B (en) * 2017-10-06 2019-12-11 Yung Lau Sau Damped Hinge
IT201800004608A1 (en) * 2018-04-17 2019-10-17 Control hinge for inclined doors or leaves
TWI670409B (en) * 2018-08-22 2019-09-01 穩多企業股份有限公司 Buffer hinge

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GB201407351D0 (en) 2014-06-11
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HK1216768A1 (en) 2016-12-02
TWM516638U (en) 2016-02-01

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