CN1091804A - Hydrautic damping hinge - Google Patents

Abstract

The invention relates to a kind of Hydrautic damping hinge, be to utilize the slow-action of hydraulic damping device to make characteristic, again by the cooperation of other associated components, make the keying of door leaf can be by rising, the decline of the actuating rod of hydraulic damping device, reaching the effect drag energy of door leaf when opening reduces to minimum and is beneficial to unlatching, and open back and can be in door leaf, but automatic slowly goes back to the pass by its elastic-restoring force.

Description

Hydrautic damping hinge

The present invention relates to a kind of Hydrautic damping hinge, be meant a kind of Hydrautic damping hinge that utilizes the liquid damping characteristic to make door leaf slowly go back to the pass especially, and this hydraulic damping mode can't cause generation resistance when opening door leaf.

Known fluid pressure type door leaf returns voluntarily and closes design, and though can impel door leaf to go back to the pass in opening the back automatic slowly, when opening door leaf, then cause the resistance of opening door to produce easily, thus form the inconvenience when opening door leaf.

The inventor feels known door leaf deeply and returns the shortcoming of closing design, opens all sections for making back the pass resistance not result from door leaf, concentrates on studies then, has the present invention to release eventually.Main purpose of the present invention provides a kind of Hydrautic damping hinge, and the effect resistance when door leaf is opened can be reduced to minimum and is beneficial to unlatching, and door leaf can go back to the pass and reach the door leaf automatic slowly by the reduction of elastic-restoring force and flowed friction after opening.

According to Hydrautic damping hinge provided by the invention, comprise following feature:

1. this kind hydraulic pressure Buddhist nun formula hinge comprises:

-stator is fixed in doorframe;

-revolving fragment can be engaged in door leaf;

-axostylus axostyle is worn and is closed stator and revolving fragment, and fixes with stator by a pivot pin, and cutting forms a mating face above axostylus axostyle simultaneously;

-leave standstill helical gear, can match with the mating face of axostylus axostyle and engage by center drilling;

-T profile shaft seat, its T type has through hole, via through holes and T profile shaft cover for seat is placed on the axostylus axostyle, and between stator and leave standstill between helical gear;

-return and close elastic device, be installed in the axostylus axostyle appropriate location, this device is made of interlock runner, flexible member, cramp, lock nut and latch; Wherein, the interlock rotaring wheeling sleeve places on the axostylus axostyle, and upwards forms a nose bar forms the right quantity and the tool degree of depth simultaneously on its circumferential surface perforate at its wheel face; And flexible member is to be placed on the axostylus axostyle, and its bottom is subjected to the nose bar blocking of interlock runner; As for cramp is to be inserted on the axostylus axostyle, and is subjected to the mating face blocking of axostylus axostyle and produces fixingly, and forms downwards a clip on stator, with the fixing upper end of flexible member of blocking; In addition, lock nut can be fixed cramp, flexible member and interlock runner, and makes flexible member be subjected to the convex body effect between cramp and interlock runner and move; Moreover latch is inserted in the perforate of interlock runner;

-transmission device, it is the drive link that forms the stopper face by, one be connected in drive link and with leave standstill the movable helical gear that helical gear cooperates, one can with the travelling gear of movable helical gear interlock, and one cooperate with travelling gear and the tooth bar that moves constitutes, and drive link can be engaged on another tip side of T profile shaft seat simultaneously;

-pedestal, its inner accommodation space that forms a hollow form can be planted for drive link, and put for the driving cog wheel and rack;

-cover plate is offered respectively on its plate face and can be held the fluting that tooth bar, axostylus axostyle protrude out, and this cover plate can be covered on the pedestal simultaneously, and between the interlock rotating disk and leave standstill between the helical gear, on the cover board protrudes out a lug in addition; And

-hydraulic damping device, be engaged in the pedestal below, include the hydraulic cylinder that to install fluid, one can stretch and places in the hydraulic cylinder and the actuating rod that suitably protrudes, one is located at the flexible member that hydraulic cylinder is outer and can place for actuating rod, and one is fixed in actuating rod and the choke apparatus that can move constitutes in hydraulic cylinder; Wherein, can offer a pouring orifice on this hydraulic cylinder, so that fluid is filled up; As for, the valve block that choke apparatus is located at piston base by a piston and is formed, and also forms the perforate of proper number on this piston, and forms a space with cylinder wall.

2. this kind Hydrautic damping hinge also comprises:

-stator is fixed in doorframe;

-revolving fragment can be engaged in door leaf;

-axostylus axostyle is worn and is closed stator and revolving fragment, and fixes with revolving fragment by a pivot pin, and cutting forms a mating face above axostylus axostyle simultaneously;

-leaving standstill helical gear, the shape of its center drilling matches with the mating face of axostylus axostyle and engages;

-T profile shaft seat, its T type has through hole, via through holes and T profile shaft cover for seat is placed on the axostylus axostyle, and between stator and leave standstill between helical gear;

-return and close elastic device, be wound in the axostylus axostyle appropriate location, this device is made of interlock runner, flexible member, cramp, lock nut and latch; Wherein, the interlock runner is to be placed on axostylus axostyle, and upwards forms a nose bar forms appropriate depth, quantity simultaneously on its circumferential surface perforate at its wheel face; And flexible member is to be placed on the axostylus axostyle, and its bottom is subjected to the nose bar blocking of interlock runner; As for stator is to be inserted on the axostylus axostyle, and is subjected to the mating face blocking of axostylus axostyle and produces fixingly, and forms downwards a clip on stator, with the fixing upper end of flexible member of blocking; In addition, lock nut can be fixed cramp, flexible member and interlock runner, and makes flexible member be subjected to the convex body effect between stator and interlock runner and move; Moreover latch is to be inserted in the perforate of interlock runner;

-transmission device, it is the drive link that forms the stopper face by, one be connected in drive link and with leave standstill the movable helical gear that helical gear cooperates, one can with the travelling gear of movable helical gear interlock, and one cooperate with travelling gear and the tooth bar that moves constitutes, and drive link can be engaged on another tip side of T profile shaft seat simultaneously;

-pedestal, its inner accommodation space that forms a hollow form can be planted for drive link, and put for the driving cog wheel and rack;

-cover plate is offered respectively on its plate face and can be held the fluting that tooth bar, axostylus axostyle protrude out, and this cover plate can be covered on the pedestal simultaneously, and between the interlock rotating disk and leave standstill between the helical gear, on the cover board protrude out in addition a lug, the interlock runner is rotated, and then flexible member is produced screw by the action of cover plate; And

-hydraulic damping device, be engaged in the pedestal below, this device includes the hydraulic cylinder that there are an accommodation space and installing fluid in an inside, one can stretch the actuating rod that places in the hydraulic cylinder, one is inserted in the flexible member on the actuating rod and in hydraulic cylinder, and one is fixed on the actuating rod and the choke apparatus that moves in hydraulic cylinder constitutes; Wherein, can offer a pouring orifice on this hydraulic cylinder,, inwardly protrude out a fin simultaneously and in the accommodation space appropriate location, can offer perforate on this fin in good time so that fluid is filled up; And choke apparatus by a surface offer perforate and with the interstitial piston of cylinder wall, and a valve block that is positioned at piston top is formed.

3. this kind Hydrautic damping hinge, also comprise, the fixed installation door leaf can be by elastic mounting device, this elastic mounting device is made up of fixed head and action plate, and the perforate of offering right quantity on this fixed head, but the perforate on its fixed head is little than the perforate on the action plate, is that simultaneously the periphery on the fixed head forms the fin that raises up.

4. this kind Hydrautic damping hinge also comprises:

-pedestal;

-hydraulic damping device, can be installed on the pedestal, this device includes the hydraulic cylinder of an inner splendid attire fluid, one can stretch the actuating rod that places in the hydraulic cylinder, one is inserted in the flexible member on the actuating rod and outside hydraulic cylinder, and one is fixed on the actuating rod and the damping unit that moves in hydraulic cylinder constitutes; Wherein, damping unit is the piston that is offered the right quantity perforate by a surface, and one place the valve block of piston below to form, and by the effect of valve block actuating rod can slowly be descended, fast rise; And

-action plate is engaged on the pedestal, and this action plate protrudes out a snap fastener, simultaneously just can be with respect to the actuating rod position in the appropriate location of action plate, so that make action plate produce the action of swing by the rising of actuating rod, decline.

5. this kind Hydrautic damping hinge also comprises, this hydraulic cylinder inwall grease chamber can be taper.

For making the auditor more detailed clear and definite understanding be arranged, lift a possible embodiments now and cooperate graphic explanation as back for purpose of the present invention, effect and structural feature:

Fig. 1-A is depicted as the solid of a preferred embodiment of the present invention and decomposes the right-hand part schematic diagram.

Fig. 1-B is depicted as the solid of a preferred embodiment of the present invention and decomposes the left side schematic diagram.

Figure 2 shows that the cross-sectional schematic of a preferred embodiment of the present invention.

Figure 3 shows that Fig. 2 III-III sectional view.

Figure 4 shows that Fig. 2 IV-IV sectional view.

Figure 5 shows that a preferred embodiment of the present invention on look schematic diagram.

Figure 6 shows that the vertical motion cross-sectional schematic of a preferred embodiment of the present invention.

Figure 7 shows that the down maneuver cross-sectional schematic of another preferred embodiment of the present invention.

Figure 8 shows that the vertical motion cross-sectional schematic of another preferred embodiment of the present invention.

Fig. 9-10 is depicted as the effect action schematic diagram of the another preferred embodiment of the present invention.

See also Fig. 1-A and cooperate shown in Figure 2ly, the solid that is respectively a preferred embodiment of the present invention is decomposed left side schematic diagram and cross-sectional schematic; As seen from the figure, this embodiment of the invention is by stator 10, revolving fragment 11, axostylus axostyle 12, leaves standstill helical gear 13, T profile shaft seat 14, returns members such as closing elastic device 2, transmission device 3, pedestal 15, cover plate 16 and hydraulic damping device 4 and constituted; Wherein, this stator 10 is fixed in doorframe; Revolving fragment 11 can be engaged in door leaf; Axostylus axostyle 12 is worn and is closed stator 10 and revolving fragment 11, and fixes with stator 10 by a pivot pin 17, and door leaf can be rotated for the center by axostylus axostyle 12, and cutting forms a mating face 121 above axostylus axostyle 12 simultaneously; Center drilling 131 shapes that leave standstill helical gear 13 match with axostylus axostyle 12 tops, and cause both to engage; T profile shaft seat 14, it has two through hole 141 and 142, via through holes 141 and T profile shaft seat 14 is placed on the axostylus axostyle 12, and between stator 10 and leave standstill 13 of helical gears.

Still seeing also Fig. 1-A, shown in Figure 2, with regard to returning pass elastic device 2, is to be placed on axostylus axostyle 12 appropriate locations, and this time closed elastic device 2 and be made of interlock runner 21, flexible member 22, cramp 23, lock nut 24 and mortise lock 25; Wherein, interlock runner 21 is placed on axostylus axostyle 12, and upwards forms a convex body 211 at its wheel face, forms the perforate 212 of the right quantity and the tool degree of depth simultaneously on its circumferential surface; Moreover this flexible member 22 is placed on the axostylus axostyle 12, and its bottom is subjected to convex body 211 blockings of interlock runner 21; Be inserted on the axostylus axostyle 12 as for cramp 23, and fixed by mating face 121 blockings of axostylus axostyle 12, and on cramp 23 to compacted under one clip 231, with the fixing upper end of flexible member 22 of blocking; In addition, it is 21 fixing that lock nut 24 can rotate cramp 23, flexible member 22 and interlock, and make flexible member 22 be subjected to the compressing of convex body 231 and 211 between cramp 23 and interlock runner 21 and produce the elastic recovery energy; Moreover latch 25 can be inserted in the perforate 212 interior (its effect and appearance aftermentioned) on the interlock runner 21.

Please consult Fig. 1-B again, for the solid of a preferred embodiment of the present invention is decomposed left side schematic diagram and shown in Figure 2, and cooperation Fig. 3, it is III-III sectional view of Fig. 2, this transmission device 3 is the drive links 31 that form stopper face 311 by, one be connected in drive link 31 and with leave standstill the movable helical gear 32 that helical gear 13 cooperates, one can with the travelling gear 33 of transmission helical gear 32 interlocks, and one cooperate with travelling gear 33 and the tooth bar 34(that moves can be the type of L shown in the figure) constitute, this drive link 31 can be engaged on the through hole 142 of axle bed 14 simultaneously, no matter make door leaf when opening or closing, can make movable helical gear 32 is that center of rotation rotates to leave standstill helical gear 13, and then travelling gear 33 is rotated thereupon, when travelling gear 33 actions, tooth bar 34 is produced, the effect power that following leading moves; Pedestal 15, its inside are the accommodation spaces 151 that forms a hollow form, can plant and put for travelling gear 33 and tooth bar 34 for drive link 31.

Still see also Fig. 1-B, shown in Figure 2, offer respectively on the plate face of this cover plate 16 and can hold the fluting 161 and 162 that tooth bar 34, axostylus axostyle 12 protrude out, this cover plate 16 can be covered on the pedestal 15 simultaneously, and between interlock runner 21 and leave standstill 13 of helical gears, upwards protrude out a lug 163 at cover plate 16 peripheries in addition, this lug 163 can keep off the latch of making back on the interlock runner 21 that closes elastic device 2 25.

Still continue to consult Fig. 1-B, shown in Figure 2, as for hydraulic damping device 4, be to be engaged in pedestal 15 belows, this hydraulic damping device 4 includes the hydraulic cylinder 41 that can install fluid 42, one can stretch and places in the hydraulic cylinder 41 and the actuating rods 43 that suitably protrude, one flexible member 44 of being located at hydraulic cylinder 41 and can placing for actuating rod 43, and one be fixed on the actuating rod 43 and the choke apparatus 45 that can move in hydraulic cylinder 41 constitutes; Wherein, can offer a pouring orifice 411 on this hydraulic cylinder 41,, and close with a cork 412 plugs at pouring orifice 411 so that fluid 42 fills up; As for, the valve block 452 that choke apparatus 45 is located at piston 451 bottoms by a piston 451 and is formed, and forms the perforate 4510 of proper number on this piston 451, and and 413 formation of cylinder wall, one space (effect of this choke apparatus 45 repeats after holding).

Again, please consulting shown in Fig. 1-A again, and cooperate Fig. 4, is IV-IV sectional view of Fig. 2; As seen from the figure, present embodiment can further utilize elastic mounting device 5 and be fixed on the door leaf, and the purpose of installing said apparatus is when being to take precautions against the present invention and being installed in door leaf, may produce deviation because of human factor causes movable helical gear 32 and the back lash of leaving standstill helical gear 13, and produce not optimum in the transmission.

Still see also Fig. 1-A, shown in Figure 4, this elastic mounting device 5 is made up of action plate 51 and fixed head 52, wherein, offer the perforate 511 and the locating hole 512 of right quantity on this action plate 51, and also offer perforate 521 and locating hole 522 on the fixed head 52 with action plate 51 similar numbers, but the perforate 521 of fixed head 52 is little than the perforate on the stator 51 511, and the periphery on fixed head 52 forms the fin 523 that raises up, and this action plate 51 is identical with the locating hole 512 of fixed head 52 and 522 aperture in addition; Elastic mounting device 5 is former to be that fixed head 52 is placed on the action plate 51, be locked on the locating hole 522 and 512 of action plate 52 and fixed head 51 again with screw 53, make the perforate 521 of fixed head 52 and the perforate 511 concentricity settings of action plate 51, lock in the perforate 511 of action plate 51 and fixed head 52 this moment more in addition with screw 54, on 521, because of the perforate 511 of action plate 51 produces gap A greater than Locking screw 53 diameters, this gap A and action plate 51 can be in the ranges of allowable error in the fixed head 52, be engaged with space so as to the helical gear 32 of innervating with leaving standstill helical gear 13, and be in the optimal engagement position from dynamic(al) correction.

See also Fig. 5 again, for looking schematic diagram on a preferred embodiment of the present invention, and cooperate look back shown in Figure 2; Because revolving fragment 11 is to be engaged on the door leaf 50, and stator 10 is to be fixed on the doorframe 51, and after with axostylus axostyle 12 revolving fragment 11 and stator 10 being engaged, and door leaf 50 is being opened, when closing, can rotate for the center by axostylus axostyle 12, therefore when door leaf 50 is unlatching, the helical gear 32 that innervates is that the center is the clockwise direction rotation to leave standstill helical gear 13, and formation imaginary line position as shown in Figure 5, and return by the interlock of cover plate 16 and to close elastic device 2, make door leaf 50 when opening, because clip 231 is motionless, convex body 211 is moving, and cause flexible member 21 pressurizeds and produce the elastic recovery energy, in addition, helical gear 13 is motionless to cause movable helical gear 32 to rotate according to leaving standstill helical gear 13 because of leaving standstill, causing interlock travelling gear 33 to be clockwise direction rotates, and then impel tooth bar 34 to produce the effect of up moving and move, and this moment is because tooth 34 is up mobile, so hydraulic damping device 4 is after eliminating the exerting pressure of tooth bar 34, be subjected to the elastic-restoring force of actuating rod 43 compression by flexible member 44, but and reach actuating rod 43 returning quicklies.

Still see also Fig. 2,5, and cooperation Fig. 6, be shown in the rising cross-sectional schematic of a preferred embodiment of the present invention, be opened into the unlatching external force and inertia disappearance of a location when door leaf 50 after, it can make door leaf 50 reach to return automatically by the elastic-restoring force of flexible member 21 and close, and its movable helical gear 32 that is driven and travelling gear 33 are rotation counterclockwise when door leaf closes for 50 times, and then tooth bar 34 is moved down, and when tooth bar 34 presses down, just can execute an active force on actuating rod 43.

Again, see also shown in Fig. 2,6, (door leaf goes back to the pass) as shown in Figure 2, when actuating rod 43 is subjected to tooth bar 34 1 and contacts pressure, and the effect of contracting in actuating rod 43 generations is gradually moved, and piston 451 and valve block 452 descend with actuating rod 43 positions, and in the way that descends because of piston 451 to pressure that lower compression produced, and being formed, fluid 42 up flows, cause valve block 452 upwards buoyance lift and then sealing perforate 4510 simultaneously, oil only can be from the space 46 be up flowed, so the down maneuver of actuating rod 43 is just comparatively slow; In addition, (door leaf unlatching) and for example shown in Figure 6, actuating rod 43 can rise by the restoring force of flexible member 44 after tooth bar 34 rises, more because the rising of tooth bar 34 interlock actuating rod 43 not, that is damping is not to tooth bar 34 generation effects, fan at 50 o'clock than non-resistance so open the door, when actuating rod 43 rises, piston 451 and valve block 452 are all and move up, fluid 42 is then for flowing downward, therefore fluid 42 can be by the space 46 of the perforate 4510 of piston 451 and piston and accommodation space 411 toward current downflow (452 of valve blocks be impacted by fluid 42 and were down backed down this moment, so can be with perforate 4510 sealings), so the speed of actuating rod 43 risings is very fast.

Please continue to consult Fig. 7,8 for shown in the decline of another preferred embodiment of the present invention and the vertical motion cross-sectional schematic and since in this embodiment of the invention as shown in Figure 7 its still by stator 10, revolving fragment 11, axostylus axostyle 12, leave standstill helical gear 13, T profile shaft seat 14, form at mechanism's parts such as elastic device 2, transmission device 6, pedestal 15, cover plate 16 and hydraulic damping devices 7; Only there is transmission device 6 different what construct, move in the present embodiment with hydraulic damping device 7, so only stated at difference, and the assembling mode of other member identical with last embodiment and elastic mounting device 5 is not added to relate at this, in order to avoid superfluous words; As for, transmission device 6 is the drive links 61 that form stopper face 611 by, one be connected in drive link 61 and with leave standstill the movable helical gear 62 that helical gear 13 cooperates, one can with the driven wheel 63 of stopper in drive link 61, and one the actuated element 64(that is connected to driven wheel 63 can be a flexible rope body) constitute, this drive link 61 can be engaged on T profile shaft seat 14 another tip sides simultaneously; And hydraulic damping device 7, it is to be engaged in pedestal 15 belows, this device includes the hydraulic cylinder 71 that there are an accommodation space 711 and installing fluid 72 in an inside, one can stretch the actuating rod 73 that places in the hydraulic cylinder 71, one is inserted in the flexible member 74 on the actuating rod 73 and in hydraulic cylinder 71, and one be fixed on the actuating rod 73 and in hydraulic cylinder 71 action choke apparatus 75 constitute; Wherein, can offer a pouring orifice 712 on this hydraulic cylinder 71, so that fluid 72 is filled up, and this pouring orifice 712 can one cork 7121 plugs close, protrude out a fin 713 to the center simultaneously and in accommodation space 711 appropriate locations, and be divided into first and second grease chamber 7110 and 7111, can offer perforate 7131 on this fin 713 in good time; And choke apparatus 75 is to be offered porose 7510 piston 751 by a surface, and a valve block 752 that is positioned at piston 751 tops forms, and makes the valve block 752 can be by fluid 72 effects, and forms a valve block 752 activity spaces at piston 751 and fin 713.

Still consult Fig. 7, shown in 8, as shown in Figure 7, after door leaf is opened, driven wheel 63 is produced to clockwise rotate, cause actuated element 64 to form relaxation state, so cause actuating rod 73 under the restoring force effect of flexible member 74 and move down together with piston 751, and in the action that piston 751 moves down, the oppressed fluid 72 that is positioned under the piston 751 can be most of through perforate 7510, and back down valve block 752 and flow toward piston 751 tops and form direction shown in arrow, this moment, fluid 72 can reduce the resistance that piston descends via mediation perforate 7510 and piston 751 with the space of cylinder wall 711, do not produce any resistance when fanning so open the door, so in the action of the fan that opens the door, can reach the labour-saving function.

In addition, after the application of force and inertia disappearance of door leaf, promptly as shown in Figure 8, close the active force that elastic device 2 produces go back to the pass by returning, close driven wheel 63 formation that make transmission device 6 this moment rotates counterclockwise because of door leaf returns, and then tension actuated element 64, make actuating rod 73 because of the pulling of actuated element 64 lifting that makes progress, when actuating rod 73 rises and the effect power of its elastic-restoring force of being stored of compression elastic element 74(when opening door leaf for next time), and piston 751 is up moved because actuating rod 73 rises, and cause valve block 752 to be close to piston 751, perforate 7510 is stopped by valve block 752 and form closed circuitly, fluid 72 only can be circulated from the space of piston 751 and hydraulic cylinder 71, the speed that causes fluid 72 to flow is slow, be obstructed and piston 751 is moved, that is slowly return the effect of closing when reaching door leaf and closing.

Please continue to consult Fig. 9 again, be shown in the effect action schematic diagram of the another preferred embodiment of the present invention, then can further reach when closing door leaf 96 its door leaf 96 after closing device and reduce to minimum with the tight phenomenon of bumping of doorframe 95 by the utilization of present embodiment when door leaf 96 has had to return automatically; Present embodiment consists predominantly of a pedestal 80, can be installed on hydraulic damping device 9 on the pedestal 80, and an action plate 85 that is engaged in pedestal 80 constitutes; Wherein, the structure of hydraulic damping device 9, action, and acting characteristics such as the actuating rod 91 that is had can slowly descend, fast rise are all identically pardoned not superfluous words with a last embodiment is described, and are only represented it with sketch; As for action plate 85, this action plate 85 is in protruding out a snap fastener 851 foremost, simultaneously actuating rod 91 just and action plate 85 contact so that by the swing that contacts of action plate 85, and make actuating rod 91 on hydraulic damping device 9, produce rising, down maneuver.

See also Figure 10 again, the effect of another possible embodiments of the present invention action schematic diagram, and shown in Fig. 9, the snap fastener that its action plate 85 front ends are protruded out and make door leaf 96 form closed conditions on doorframe 95; Because door leaf 96 is to contact suppression bar 91 in closing under the closed state always, so when door leaf 96 is being opened, make action plate 85 gradually contacting of disengaging doorframe 95 and turn forward, actuating rod 91 suffered active forces are disappeared, cause actuating rod 91 actuating rod 91 up to be moved, impel door leaf 96 can be convenient to open (as shown in figure 10) according to the elastic-restoring force of flexible member 92 generations; In the time of will closing as for door leaf 96, when only the snap fastener 851 of action plate 85 being contacted doorframe 95, snap fastener 851 gradually to action plate 85 produce hypsokinesis action, and be that the center produces an active force of exerting pressure downwards at action plate 85 pedestals 80 joints, cause actuating rod 91 under the exerting pressure of action plate 85, and form the effect that actuating rod 91 slowly descends, also cause slowly closing of door leaf 96, and reduction is bumped tight phenomenon and is easy to unlatching.

Moreover for the hydraulic cylinder 41 or 71 of previous embodiment, inner wall surface thereof also can form a taper (shown in Fig. 3 imaginary line), has the effect that the fluid flow resistance is increased when closing door leaf, and reaches the slower decline of piston.

Described by above embodiment, and cooperate and to illustrate as can be known, the present invention has a row advantage and an effect:

(1) can open easily, and slowly go back to the pass: the present invention is because the hydraulic damping Design of device, and make door leaf when opening, the pushing tow that breaks away from active force because of actuating rod, impel actuating rod to produce by the elastic-restoring force of flexible member to move and do, cause door leaf can be under the non-resistance state and open easily (this one open the door fan the effect application of force promptly be unkitted the present invention before the door leaf opening force identical); When door is closed, can suffer the compacting of active force in addition, slowly descend and actuating rod is produced, and then impel door leaf slowly to go back to the pass because of actuating rod.

(2) reduce the door leaf collision, damage and reduce door leaf: according to first top, but because door leaf automatic slowly when closing wall goes back to the pass, so for the generation of the desired impact sound of door leaf, can reduce the damage of door leaf on the other hand.

In sum, the hydraulicefficiency hinge that the present invention forms by unique design and other member of hydraulic pressure Buddhist nun device, can have really and door leaf can be beneficial to open and can make door leaf slowly return the effect of pass, and prevent to the people may produce the advantage of injury, therefore on having industry the practicality patent key element such as value; And never seeing has identical or approximate article to be exposed in the city, and real genus initiative also has obvious improvement, therefore has more novelty and creativeness, meets the requirement of patent law of china about patent of invention, so propose application for a patent for invention in accordance with the law.

The above only is a preferred embodiment of the present invention, so everyly do not exceed all structural changes in limiting of manual of the present invention and attached claim, all should be considered as being included within the scope of the present invention.

Claims (5)

1, a kind of Hydrautic damping hinge, its feature comprises:

One stator is fixed in doorframe;

One revolving fragment can be engaged in door leaf;

One axostylus axostyle is worn and is closed stator and revolving fragment, and fixes with stator by a pivot pin, and cutting forms a mating face above axostylus axostyle simultaneously;

One leaves standstill helical gear, and it can match with the mating face of axostylus axostyle by center drilling, and engages;

One T profile shaft seat, its T type has through hole, via through holes and T profile shaft cover for seat is placed on the axostylus axostyle, and between stator and leave standstill between helical gear;

Close elastic device one time, be installed in the axostylus axostyle appropriate location, this device is made of interlock runner, flexible member, cramp, lock nut and latch; Wherein, the interlock rotaring wheeling sleeve places on the axostylus axostyle, and upwards forms a nose bar forms the right quantity and the tool degree of depth simultaneously on its circumferential surface perforate at its wheel face; And flexible member is to be placed on the axostylus axostyle, and its bottom is subjected to the nose bar blocking of interlock runner; As for cramp is to be inserted on the axostylus axostyle, and is subjected to the mating face blocking of axostylus axostyle and produces fixingly, and forms downwards a clip on stator, with the fixing upper end of flexible member of blocking; In addition, lock nut can be fixed cramp, flexible member and interlock runner, and makes flexible member be subjected to the convex body effect between cramp and interlock runner and move; Moreover latch is inserted in the perforate of interlock runner;

One transmission device, it is the drive link that forms the stopper face by, one be connected in drive link and with leave standstill the movable helical gear that helical gear cooperates, one can with the travelling gear of movable helical gear interlock, and one cooperate with travelling gear and the tooth bar that moves constitutes, and drive link can be engaged on another tip side of T profile shaft seat simultaneously;

One pedestal, its inner accommodation space that forms a hollow form can be planted for drive link, and put for the driving cog wheel and rack;

One cover plate is offered respectively on its plate face and can be held the fluting that tooth bar, axostylus axostyle protrude out, and this cover plate can be covered on the pedestal simultaneously, and between the interlock rotating disk and leave standstill between the helical gear, on the cover board protrudes out a lug in addition; And

One hydraulic damping device, be engaged in the pedestal below, include the hydraulic cylinder that to install fluid, one can stretch and places in the hydraulic cylinder and the actuating rod that suitably protrudes, one is located at the flexible member that hydraulic cylinder is outer and can place for actuating rod, and one is fixed in actuating rod and the choke apparatus that can move constitutes in hydraulic cylinder; Wherein, can offer a pouring orifice on this hydraulic cylinder, so that fluid is filled up; As for, the valve block that choke apparatus is located at piston base by a piston and is formed, and also forms the perforate of proper number on this piston, and forms a space with cylinder wall.

2, a kind of Hydrautic damping hinge, its feature comprises:

-stator is fixed in doorframe;

-revolving fragment can be engaged in door leaf;

-axostylus axostyle is worn and is closed stator and revolving fragment, and fixes with revolving fragment by a pivot pin, and cutting forms a mating face above axostylus axostyle simultaneously;

-leaving standstill helical gear, the shape of its center drilling matches with the mating face of axostylus axostyle, and engages;

-T profile shaft seat. its T type has through hole, via through holes and T profile shaft cover for seat is placed on the axostylus axostyle, and between stator and leave standstill between helical gear;

-return and close elastic device, be wound in the axostylus axostyle appropriate location, this device is made of interlock runner, flexible member, cramp, lock nut and latch; Wherein, the interlock rotaring wheeling sleeve places on the axostylus axostyle, and upwards forms a nose bar forms appropriate depth, quantity simultaneously on its circumferential surface perforate at its wheel face; And flexible member is to be placed on the axostylus axostyle, and its bottom is subjected to the nose bar blocking of interlock runner; As for stator is to be inserted on the axostylus axostyle, and is subjected to the mating face blocking of axostylus axostyle and produces fixingly, and forms downwards a clip on stator, with the fixing upper end of flexible member of blocking; In addition, lock nut can be fixed stator, flexible member and interlock runner, and makes flexible member be subjected to the convex body effect between stator and interlock runner and move; Moreover latch is inserted in the perforate of interlock runner;

-transmission device, it is the drive link that forms the stopper face by, one be connected in drive link and with leave standstill the movable helical gear that helical gear cooperates, one can with the travelling gear of movable helical gear interlock, and one cooperate with travelling gear and the tooth bar that moves constitutes, and drive link can be engaged on another tip side of T profile shaft seat simultaneously;

-pedestal, its inner accommodation space that forms a hollow form can be planted for drive link, and put for the driving cog wheel and rack;

-cover plate is offered respectively on its plate face and can be held the fluting that tooth bar, axostylus axostyle protrude out, and this cover plate can be covered on the pedestal simultaneously, and between the interlock rotating disk and leave standstill between the helical gear, on the cover board protrudes out a lug in addition; This lug can keep off to be made back the interlock that closes elastic device and changes the last latch of opinion, by the action of cover plate the interlock runner is rotated, and then flexible member is produced screw; And

-hydraulic damping device, be engaged in the pedestal below, this device includes the hydraulic cylinder that there are an accommodation space and installing fluid in an inside, one can stretch the actuating rod that places in the hydraulic cylinder, one is inserted in the flexible member on the actuating rod and in hydraulic cylinder, and one is fixed on the actuating rod and the choke apparatus that moves in hydraulic cylinder constitutes; Wherein, can offer a pouring orifice on this hydraulic cylinder,, inwardly protrude out a fin simultaneously and in the accommodation space appropriate location, can offer perforate on this fin in good time so that fluid is filled up; And choke apparatus by a surface offer perforate and with the interstitial piston of cylinder wall, and a valve block that is positioned at piston top is formed.

3, Hydrautic damping hinge according to claim 1 and 2, it is characterized in that, the fixed installation door leaf can be by elastic mounting device, this elastic mounting device is made up of fixed head and action plate, and the perforate of offering right quantity on this fixed head, but the perforate on its fixed head is little than the perforate on the action plate, and the periphery on fixed head forms the fin that raises up simultaneously.

4, a kind of Hydrautic damping hinge, its feature comprises:

-pedestal;

-hydraulic damping device, can be installed on the pedestal, this device includes the hydraulic cylinder of an inner splendid attire fluid, one can stretch the actuating rod that places in the hydraulic cylinder, one is inserted in the flexible member on the actuating rod and outside hydraulic cylinder, and one is fixed on the actuating rod and the damping unit that moves in hydraulic cylinder constitutes; Wherein, damping unit is the piston that is offered the right quantity perforate by a surface, and one place the valve block of piston below to form, and by the effect of valve block actuating rod can slowly be descended, fast rise; And

-action plate is engaged on the pedestal, and this action plate protrudes out a snap fastener, simultaneously just can be with respect to the actuating rod position in the appropriate location of action plate, so that make action plate produce the action of swing by the rising of actuating rod, decline.

According to claim 1,2 or 4 described Hydrautic damping hinges, it is characterized in that 5, this hydraulic cylinder inwall grease chamber can be taper.

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