Hinge for furniture
Technical field
The present invention relates to a kind of hinge for furniture, comprise an installing plate, fix a side members thereon; Also comprise a hinge member, it can deflection between an open position and a fastening position with respect to side members, this hinge member is articulated with a cramp bar and a guide peg according to the mode of Parallel Control bar (Parallellenker), wherein, in order to be buffered in the motion between side members and hinge member, a snubber is set in side members, this snubber has a housing and a piston rod.
Background technology
By the known a kind of hinge for furniture of EP1555372, wherein, a hinge member is bearing in a side members pivotally via two levers.In side members, fix a snubber, it has piston rod that can axially-movable, and piston rod is drawn out when hinge member is closed.For this reason, on a protuberance of a bar thick stick, a chain link is installed, when this lever rotates, is made chain link rotate and pull out piston rod from the housing of snubber.In this structure design, disadvantageously, snubber works in whole slewing areas of lever, therefore when opening furniture door, just realizes cushioning effect.This is other, and the structure being coupled by chain link is more complicated, and tolerance compensating can only limitedly be realized by fixing rotating shaft.
Summary of the invention
Therefore the object of this invention is to provide a kind of hinge for furniture, this hinge for furniture is constructed simply and only in the slewing area of needs, is guaranteed to realize cushioning effect.
For this reason, the invention provides a kind of hinge for furniture, comprise an installing plate, fix a side members thereon; Also comprise a hinge member, it can deflection between an open position and a fastening position with respect to side members, this hinge member according to the mode of Parallel Control bar via a cramp bar and a guide peg and hinged, wherein, in order to be buffered in the motion between side members and hinge member, a straight buffers with a housing and a piston rod is set in side members; It is characterized in that, described straight buffers was just less than in the angular range of 45 ° and just works before the fastening position of hinge member; Described straight buffers supports and is provided with for this reason pivotally a rotating shaft in described side members, a turning-bar around an axle rotatably support in described side members is set, wherein, described straight buffers is at one end coupled on turning-bar and is bearing in side members pivotally in opposed one end.
According to the present invention, for being buffered in the snubber of the motion between side members and hinge member, design like this, that is, snubber was just less than in the angular range of 45 ° and works before the fastening position of hinge member.
Avoid thus: hinge member in other words thereon the open position of fixing furniture door just caused cushioning effect, instead such cushioning effect can hinder manipulation.Because utilizing snubber is mainly avoid furniture door suddenly to shut, so enough, snubber only works within the scope of the certain angle before the fastening position of hinge member.
According to a kind of preferred form of implementation of the present invention, snubber only worked in the scope between 20 ° and 40 ° before fastening position.Therefore also there is enough cushion strokes, and when the open position of furniture door, do not hinder manipulation.
In a kind of preferred design form, the turning-bar of a rotatable supporting in side members is set, this turning-bar is coupled with snubber on one side and another side and a connecting rod are coupled.By the rotatable supporting of turning-bar, in the side towards snubber and predetermined the rotatablely moving that all have turning-bar in a side of connecting rod.Wherein, preferably connecting rod can be rotated to support on cramp bar or on guide peg, reaches thus a kind of compact structure.At this, connecting rod can be arranged on that side of side members between cramp bar and the rotating shaft of guide peg.
According to a kind of preferred design form of the present invention, the set axle in side members that connecting rod is adjacent to cramp bar is hinged on the cramp bar of hinge member, thereby the motion of the axle of connecting rod occurs during to large open position deflection hardly at hinge member.Just when hinge member is closed, just there is the deflection of cramp bar, thereby just then make connecting rod move equally.Wherein, connecting rod can be hinged on cramp bar like this,, compares the axle at hinge member that is, and the rotating shaft of connecting rod is arranged more close to the axle in side members, for example 1/3rd places of the gap length between the diaxon of cramp bar roughly.
For fear of occur lateral force on piston rod, snubber can be coupled on turning-bar via a curve guide mechanism, and, in order to cushion, can make piston rod to moving with respect to housing.Wherein, curve guide mechanism can design like this,, constructs a slotted hole on turning-bar that is, to realize and being coupled of snubber, embeds a bearing pin in this slotted hole, and this bearing pin is connected in piston rod or housing.Here, by design curve guide mechanism or slotted hole, can determine a bit, from this, light snubber and work when hinge member carries out closing movement.For the respective design of curve guide mechanism, the starting point that can also work when the closing movement to snubber is adjusted.
In order to realize simple assembling, snubber can be fixed on installing plate and/or in side members.For fear of the lateral force between piston rod and housing on snubber, snubber can at one end be bearing on turning-bar and be bearing in side members pivotally in opposed one end.
Accompanying drawing explanation
By two embodiment, with reference to accompanying drawing, illustrate in greater detail the present invention below.Wherein:
Figure 1A to 1C hinge for furniture of the present invention is at the different sectional views of diverse location; And
The second embodiment of Fig. 2 A to 2C hinge for furniture of the present invention is at the different sectional views of diverse location.
The specific embodiment
The hinge for furniture 1 of being made by metal and/or plastics has been shown in Figure 1A to 1C, and it has an installing plate 2, and this installing plate can be fixedly mounted on a furniture body.On installing plate 2, be fixed wtih a side members 3 regularly or via a guiding mechanism, support pivotally the hinge member 4 of a tank shape thereon.Hinge member 4 can be connected in a furniture door or be connected on another member.
In order to realize the deflection of hinge member 4, a cramp bar 5 towards hinge member 4 and a contiguous guide peg 6 arranging are set, wherein, cramp bar 5 is hinged on hinge member 4 via axle 7, and is hinged in side members 3 via axle 8.Guide peg 6 is hinged on hinge member 4 via axle 9, and is hinged in side members 3 via axle 10.Therefore hinge member 4 can be through predetermined rotary motion trace with respect to side members 3 motions, and wherein, cramp bar 5 and guide peg 6 have formed a Parallel Control bar.
In order to realize the buffering of the motion of hinge member 4 in a part for slewing area, be provided with a snubber, it has a housing 11 and with respect to housing 11 piston rod 12 movably.This buffer design is straight buffers, and can be for example fluid buffer or pneumatic buffer.
Snubber utilizes piston rod 12 to be connected with a turning-bar 13, and the latter is bearing in side members 3 pivotally around axle 14.On turning-bar 13, also designed an axle 17, hinged connecting rod 18 or a leverage thereon, it is fixed on cramp bar via an axle 19 on opposite end.At this, axle 19 is arranged on a lath 20 of cramp bar 5, and this lath is arranged on cramp bar 5 on the outside of a side of hinge member 4.Between the axle 7 of axle 19 on hinge member 4 and the axle 8 in side members 3, be arranged to, make to be shorter than the spacing between axle 7 and axle 19 in the spacing between axle 19 and axle 8.For example axle 19 can roughly be divided into 1/3rd and 2/3rds by the line between axle 7 and 8.
The open position of hinge for furniture 1 has been shown in Figure 1A, wherein, hinge member 4 deflections, and make furniture door via 90 ° in an open position.
In order to carry out closing movement, as shown in Figure 1B by hinge member 4 deflections.Deflection by hinge member 4 is rotated cramp bar 5 and guide peg 6, and wherein, due to the selection of axle 7 to 10, axle 19 moves hardly when closing movement starts.In Figure 1B, hinge member is in before fastening position the roughly angle [alpha] place of approximately 45 °.Until this fastening position snubber is invalid, because also do not make piston rod 12 with respect to housing 11 motions.
If now further deflection hinge member 4, cramp bar 5 counter-clockwise direction are rotated and are therefore made connecting rod 18 to the direction motion of turning-bar 13, make it now around axle 14 deflections.Therefore be first turning-bar 13 motions, and a bearing pin on leading axle 15 in a slotted hole 16 on turning-bar 13, until this bearing pin arrives the end of slotted hole 16.Then when hinge member 4 continues motion, connecting rod 18 and turning-bar 13 are driven, thereby piston rod 12 is advanced in housing 11.
The fastening position of hinge for furniture 1 has been shown in Fig. 1 C, wherein, piston rod 12 shift-in housings 11.By this fastening position, can again forward hinge member 4 to an open position, snubber or only work in start range or a kind of one-sided buffering only occurs now, thus essentially no damping ground carries out opening procedure.Wherein, hinge member 4 is by the past fastening position bias voltage of a spring quilt.
In the embodiment shown in Figure 1A to 1C, on turning-bar 13, construct a slotted hole 16 as curve guide mechanism, wherein, this slotted hole 16 determined snubber useful effect beginning in other words piston rod 12 with respect to the beginning of the motion of housing 11.Also likely replace slotted hole 16 that other curve guide mechanism is set, wherein, the length of for example, shift motion in the time of can being adjusted at turning-bar 13 and rotatablely moving, thus the starting point of snubber useful effect also just can be adjusted.
Fig. 2 A to 2C illustrate hinge for furniture 1 of the present invention ' another embodiment, wherein, for identical member dispensing and mark identical in the first embodiment.This hinge for furniture 1 ' comprise that one can be fixed on the installing plate 2 on a furniture body, arrange thereon or fix a side members 3 '.Side members 3 ' on support pivotally a straight buffers, this straight buffers have a housing 11 ' and piston rod 12 ', and be provided with a rotating shaft 21.
Piston rod 12 ' on one side via axle 15 ' a be fixed on turning-bar 13 ' on, this turning-bar around axle 14 ' be rotatably supported in side members 3 ' on.Turning-bar 13 ' be connected in again cramp bar 5 by connecting rod 18, wherein, to hinge member 4 with similarly design cramp bar 5 and being connected with above-described embodiment of guide peg 6.
If now by hinge member 4 from a position of opening greatly (Fig. 2 A) to a position of only partly opening (Fig. 2 B) deflection, the latter is positioned at before fastening position approximately 45 ° and locates, because connecting rod 18 does not move turning-bar 13 or just motion tinily cramp bar 5 hinged, this for comprise housing 11 ' and piston rod 12 ' still not impact of snubber.Only before fastening position, in the scope between 20 ° and 40 °, just via cramp bar 5, make connecting rod 18 motions, thereby make turning-bar 13 ' rotation and by piston rod 12 ' toward housing 11 ' in compress into, now, turning-bar 13 ' the scope rotatablely moving in, housing 11 ' around axle 21 deflection minutely, in order to avoid produce lateral force.
Fastening position is shown in Fig. 2 C.Piston rod 12 ' be arranged in shift-in housing 11 ' position.
Shown in each embodiment in, piston rod 12 or 12 ' be coupled to respectively turning- bar 13 or 13 '.Certainly, in like manner also can by housing 11 or 11 ' be coupled to turning-bar 13 or 13 ', and by piston rod 12 or 12 ' be fixed on side members 3 or 3 ' on.