CN86205423U

CN86205423U - Hydraulic door shutter

Info

Publication number: CN86205423U
Application number: CN 86205423
Authority: CN
Inventors: 陈志荣
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-07-30
Filing date: 1986-07-30
Publication date: 1987-11-07

Abstract

The utility model relates to a hydraulic door shutter. The traditional door shutter has the problems of large impact force and easy generation of collision sound at the time of closing the door. The door shutter of the utility model is provided with a member which is composed of an inner casing tube and an outer casing tube that seal and slip mutually, and the two ends of the member are respectively hinged with the supporting bases at the two ends of the member. The inner cavity of the member is provided with a compression spring and hydraulic oils. The hydraulic oils can further generate damping action on the release of the spring energy at the time of closing the door, so the door shutting action is alleviated and no collision sound is generated. The utility model is suitable to be used as the automatic door shutting device in rooms of families, offices, guesthouses, etc.

Description

Hydraulic door shutter

The utility model relates to an opening/closing device, relates in particular to the fluid pressure type door closer.

As a kind of automatic door closing device, at present common or traditional employing be a kind of spring door closer that directly utilizes the elastic force effect of spring, this door closer-holder is commonly called as T type spring door closer at home, though this spring door closer has its simple in structure and low-cost one side, but its topmost shortcoming is that the impact force when closing is big, particularly when not wishing that a speed of closing has to select the spring of big active force for use too slowly, especially there is the big problem of impact force when closing, and when closing, because of effect of inertia can make the movement velocity of door excessively fast, and often make the people have little time to avoid, produce bigger impact sound at the door turn-off transient simultaneously, therefore hinder further applying of this door closer-holder for above-mentioned reasons.

The utility model be exactly for eliminate that above-mentioned spring door closer exists close the time impact force big, and closing a shortcoming of the big impact sound of moment generation, and it is suitably adjustable to propose a kind of speed of closing, action is gentle when closing, do not produce impact sound closing a moment, and have indoor being artistically decorated and coordinate and the fluid pressure type door closer-holder that can unify advantage with door lock assembly mutually.

The utility model device has bearing first and bearing second, an and inner sleeve, one of the connector of one bearing first and bearing first form and are rotationally connected, a sealing mount of its other end and described inner sleeve is connected, this head in described inner sleeve is provided with a compression spring retainer, make described spring retainer support and rely on the connector of described bearing first by a rod member, connect one at the top of the other end of described inner sleeve mount and have a center hole, the flange female cap that can allow a rod member slide through, connector mount with a bearing second of described rod member is connected, its other end slides through described blind flange and installs and fixes successively on this of described rod member as another spring retainer of described compression spring and the seat of a piston type joint ring, described piston packing ring seat is positioned between described spring retainer and the described blind flange, one outer tube is enclosed within on the described inner sleeve by the slipper seal that has blind flange of sliding seal from described inner sleeve, one of the connector of described bearing second seals mount with the other end of the formation socket of described outer tube and is connected, its other end and bearing second form and are rotationally connected, be positioned on the blind flange of described outer tube and install and fix a ring sealing base, on described blind flange reaches together with described seal receptacle, be provided with damping hole and on described annular piston seal receptacle, be provided with damping hole too, on described two spring retainers in described inner sleeve the compression spring is set, in the chamber of described outer tube and inner sleeve, is filled with hydraulic oil.

Below the work of the utility model door closer-holder is narrated as concise and to the point, when using the utility model door closer-holder, usually described bearing first is fixedly mounted on the vertical doorframe, bearing second is fixedly mounted on a back, and the mounting plane that makes two bearings roughly is in same level height position, owing to install like this, when door is in the turning course, the linear range of the centre of gyration of the relative bearing first of the centre of gyration connector of described bearing second connector will constantly change, like this, when door turns round, rely on the described member of forming by inner sleeve and outer tube, be that outer tube can freely slide along the sealing of inner sleeve outer wall, meanwhile, described sleeve component can form with bearing first and bearing second respectively and be articulated and connected, in addition, when door is open, along with outer tube slides along the inner sleeve outer wall, described spring is compressed, the annular piston black box also is compressed the direction sealing towards spring and slides, the hydraulic oil that is provided with in the inner sleeve in the chamber, spring one side is flowed towards the intermediate cavity that forms between blind flange and the annular piston seal by damping hole on the piston seal seat, the intraluminal hydraulic oil of overcoat also flows towards described intermediate cavity by the damping hole on the blind flange simultaneously, in case eliminate the active force that pushes, under the resilient force of described spring, impel closing of carrying out naturally, since this close the door process in, the hydraulic oil that is positioned at described intermediate cavity is compressed, and it is mobile towards the chamber of its right and left respectively by the damping hole of this chamber the right and left, thereby the release that makes the elastic energy of spring is subjected to further hindering and makes the action of closing the door obtain buffering, and the action of closing the door can be finished smoothly.

Therefore, major advantage of the present utility model is that close the door action and buffering is even, does not produce impact sound at the door turn-off transient, in addition, can also make the speed of closing the door do suitably to regulate, and obtains the speed of closing the door that needs and the reliable in action ground of closing the door is carried out and finishes.

Below in conjunction with accompanying drawing the utility model door closer-holder embodiment is described further;

Fig. 1 is the overall construction drawing of vertically analysing and observe that schematically illustrates an embodiment of the utility model door closer, and Fig. 2 is the elevation of Fig. 1, and Fig. 3 schematically illustrates the overall construction drawing of vertically analysing and observe of another embodiment of the utility model door closer, and Fig. 4 is the elevation of Fig. 3.

Referring to Fig. 1 and Fig. 2, the bearing I mainly has support I-2 and bearing connector I-1, one of bearing connector I-1 is rotationally connected by a pair of little axle and support I-2 formation, its other end sealing mount of screw thread and inner sleeve 2, the bearing 10 of one compression spring 7 and a capitiform of rod member 11 become spiral to be connected, and rely on the bearing connector I-1 by the shoulder that forms on the rod member 11, the other end of rod member 11 slides through the center hole on the bearing connector I-1, and its stretch out the place and a knob 12 be connected and fixed, knob 12 leans against on bearing connector I-1 end face slidably, can make the position of spring retainer 10 adjusted by turn knob 12, top mount one in the other end of inner sleeve 2 has the flange female cap 13 of a center hole, one of outer tube 1 one of blind flange 13 of having from inner sleeve 2 is enclosed within on the inner sleeve 2 slidably by sliding seal 6 sealings, the bearing II has support II-2, bearing connector II-1 forms by a pair of little axle and support II-2 and is rotationally connected, one of rod member 8 is connected II-1 mount with bearing and connects, its other end slides through the center hole of blind flange 13, and another bearing 9 of the described compression spring 7 of mount and annular piston seal 4 seat successively thereon, the seat that stretches to mount one ring packing 5 in the outer tube 1 one at blind flange 13, on the seat of described annular piston sealing 4 and blind flange 13 and on the seat of ring packing 5 on be provided with damping hole, thereby between 4 of annular piston sealings and blind flange 13, form an intermediate cavity, the other end of outer tube 1 forms the sealing mount with bearing connector II-1 and is connected, described bearing connector I-1 and II-1 are threaded with inner sleeve 2 and being connected to of outer tube 1 respectively, when connecting, coat sealing glue at the screw thread place respectively, and the O RunddichtringO is set respectively, being used for forming described sealing mount connects, described seal 6 adopts the self-lubricating material polytetrafluoroethylene (PTFE) to make, and make the inwall of itself and outer tube 1 be glued at outer tube 1 closely by sealing glue to be provided with seal 14 along slide one top of inner sleeve 2 sealings, for further preventing the intrusion of dust or unhelpful object, respectively in described bearing connector I-1 and II-1 and support I-2, and the centre of II-2 also serves as a contrast the liner made from the high-abrasive material with self-lubricating property, and described bearing can be worked reliably and with long-term.

Present embodiment can be used for general residential buildings or office occupancy room as door closer, it is about 37mm that outer tube 1 can adopt external diameter, long for about 250mm, it is about 28mm that inner sleeve 2 adopts external diameter, length is aluminium alloys or copper or stainless steel pipe manufacturing about 270mm, but compression spring 7 selection work pressure are about 4 kilograms, drift is about the trochoid spiral compression spring of 160mm, other structural member all can adopt aluminum metal, or copper and stainless steel material manufacturing, this external cause often is full of hydraulic oil and through by compression in the chamber that is provided with spring of inner sleeve 2, also on spring retainer 10, be provided with seal 3, described seal 3,4,5 all adopt wear-resisting poly-ammonium ester potted component, described hydraulic oil is common machine oil, state shown in Figure 1 schematically illustrates the utility model door closer and is installed to vertical doorframe and the original state of door during back, generally the bearing I is installed on the vertical doorframe, the bearing II is installed to a back, and the mounting plane that makes support I-2 and II-2 is on the same level height approximately, and make the centre of gyration of bearing connector I-1 higher slightly than the centre of gyration of bearing connector II-1, push or close an action easily like this.The structure of Xing Chenging like this, the distance of described two centres of gyration is about 500mm, after passing through the initial pressure of knob 12 suitable regulating springs 7, can make and close a time, promptly beginning to be open to unclamp when rotation reaches 90 ° to push open when door is closed from door is about 3～8 seconds, and the corresponding sliding stroke of its outer tube 1 is about 70～80mm.In addition, because the design feature of the utility model door closer, door can be made when surpassing 90 ° approximately from beginning to be open keep an opening-wide state, this is when being in this state owing to being open when door, the active force of spring orders about the relative opposite direction revolution that a court closes door, and in fact described door can not be towards the rotating cause of this direction.

Now referring to Fig. 3 and Fig. 4, Fig. 3 is another embodiment of the utility model door closer-holder, the general structure schematic diagram of door closer-holder when being used for some requirement the place of door closer-holder and lock door mechanism unification, same numeral is represented identical or same parts in Fig. 3 and Fig. 1, therefore in the present embodiment except the bearing II by distance adjustor III and lock door mechanism II ' replace, and with outside the rod member 8 in rod member III-2 replacement the foregoing description.All the other structures partly are all identical with structure in the foregoing description, thereby no longer narration, owing to need the utility model door closer is unified mutually with lock door mechanism, therefore be provided with the distance adjustor III, be used for the structure installation length of the utility model embodiment is done among a small circle adjusting, by outer wrapper attached pipe 1 ' is set, a center hole that slides through blind flange 13 of rod member III-2, and be connected with the seat mount of spring cup bearing 9 and annular piston 4 successively thereon, its other end and nut III-1 form spiral slide and are dynamically connected, of flange part III-3 with center hole is connected with a mount of outer tube 1, one of nut III-1 slides through flange part II-3, the end face of tool and flange part III-3 slides and relies on mutually, its other end is connected with outer tube 1 ' mount, and of the flange part II that center hole is arranged '-3 is connected with outer tube 1 ' mount, one of lock door mechanism connector II '-2 slides through the flange part II '-3, and and the end face of flange part II '-3 slide and rely on, thereby form described distance adjustor III.On the outer wall of outer tube 1 ', also be with the sheath of making by nonmetals 15, in order to increase the attractive in appearance of device and operation comfort, when using this distance adjustor, mobile sheath 15, make and expose outer tube 1 ', the rotating jacket pipe 1 ' then, because of the screw relation of nut and III-1 and bar III-2, effect by spring 7 impels outer tube 1 to slide, and reaches and regulates the lock door mechanism II ' and the bearing I between the purpose of structure installation length.One of lock door mechanism connector II '-1 and lock door mechanism regulating part II '-2 are rotationally connected by '-4 formation of axle II, and be inclusive in the sheath 15, its other end has spherical profile, the heart has a cylindrical hole therein, handle II '-5 of '-6 rotation that the top of the spheric end of '-1 is installed free to rotately and can be driven an II in described connector II, slip suit one axle sleeve II '-8 on '-6 in the axle II, bottom mount with the spheric end of connector II '-1 of described axle sleeve is connected, the lock housing mount of its other end and latch mechanism IV is connected, one of described axle II '-6 is connected with handle II '-5 mount, the lock core of its other end and latch mechanism VI partly mount is connected, in addition, '-7 make the lock door mechanism II also by the part II ' and the assembling of the decorative shell of latch mechanism be connected and fixed, described latch mechanism IV is the decoration lock that is usually used in hotels and other places, use above-mentioned lock door mechanism like this and realized making the purpose of the utility model door closer-holder and latch mechanism unification, '-5 by the control crank II, but the switching of control lock mechanism IV, thereby it is convenient from the indoor door of opening, in addition, in this embodiment of the utility model door closer-holder, the structure length of inner sleeve 2 is elected as about 285mm, the structure length of outer tube 1 is elected as about 270mm, also have distance adjustor IV and lock door mechanism II ' structure member can adopt aluminium alloys equally, or copper and stainless steel material manufacturing, the lock door mechanism II ' can with latch mechanism IV supporting manufacturing the simultaneously, lock door mechanism II in the present embodiment ' and the bearing I between the structure installation length be about 900mm, the adjustable range scope of distance adjustor III is about ± 50mm.

In addition, when implementing the utility model door closer-holder, also can make different size, or become serially to make by the needs of different application occasion.

Claims

1, a kind of mechanical type door closer-holder, relate in particular to the fluid pressure type door closer-holder, it comprises two bearings and movable and flexibly be bearing in member on these two bearings, it is characterized in that described two bearings are bearing I and bearing II, described member is to be made up of an inner sleeve 2 and an outer tube 1, described inner sleeve 2, connector I-1 sealing the mount of one head and bearing I is connected, the connector I-1 of bearing I and bearing I forms and is rotationally connected, in of inner sleeve 2, be provided with the bearing 10 of a compression spring 7, by rod member 11, make bearing 10 support and rely on the connector I-1 of bearing I, connect one at the top of the other end of inner sleeve 2 mount and have a flange female cap 13 that can allow the center hole that rod member 8 slides through, one of rod member 8 is connected with connector II-1 mount of bearing II, its other end slides through blind flange 13, and thereon successively mount connect the seat of another bearing 9 of described spring 7 and annular piston sealing 4, described outer tube 1 is enclosed within on the described inner sleeve by the end slipper seal that has blind flange 13 of sliding seal 6 from inner sleeve 2, connector II-1 sealing the mount of the other end of outer tube 1 and bearing II is connected, the connector II-1 of bearing II and bearing II form and are rotationally connected, mount connects the seat of a ring packing 5 on blind flange 13, on the seat of described annular piston sealing 4 and blind flange 13 and on the seat of ring packing 5 on be equipped with damping hole, installing compression spring 7 is filled with hydraulic oil in the chamber of described outer tube 1 and inner sleeve 2 on described bearing 10 and 9.

2, door closer-holder according to claim 1, the centre that it is characterized in that described rod member 11 has a shoulder, one of described rod member 11 and the bearing 10 formation spiral slides of spring 7 are dynamically connected, its other end is passed through from the central slide of the connector I-1 of bearing I, and connect a knob 12 knobs 12 at its external part mount and slide and rely on the end face of bearing connector I-1, the shoulder of rod member 11 slides on the end face of another recessed introversion of relying on bearing connector I-1.

3, door closer-holder according to claim 1 and 2 is characterized in that described bearing II is the lock door mechanism II ', in described lock door mechanism II ' and the bearing I between have the distance adjustor III.

4, door closer-holder according to claim 3, it is characterized in that described lock door mechanism II ' have connector II '-1 and II '-2, one of connector II '-1 and connector II '-2 one is rotationally connected by '-4 formation of axle II, its other end is for having spherical shape, and has a centered cylinder through hole, install one freely to rotate in the upper end of its orbicule and can drive handle II '-5 that rotate together axle II '-6, one of described axle II '-6 is connected with described handle II '-5 mount, the lock core mount of its other end and latch mechanism IV is connected, described axle sleeve II '-8, slip suit one axle sleeve II '-8 on described axle II '-6, a lower end mount with the orbicule of described connector II '-1 be connected, the lock housing mount of its other end and latch mechanism IV is connected.

5, door closer-holder according to claim 3, it is characterized in that described distance adjustor III '-3 that have the connector II, outer wrapper attached pipe 1 ', nut III-1, rod member III-2 and connector III-3, connector II '-3, have and allow a central cylindrical through hole that slides through of connector II '-2, and be connected with one of outer tube 1 ' sealing mount, a center hole that slides through described blind flange 13 of rod member III-2, and the bearing 9 and the annular piston that install and fix spring 7 thereon successively seal 4 seat, its other end and nut III-1 form spiral slide and are dynamically connected, connector III-the 3 and central cylindrical through hole is arranged, and be connected with a mount of outer tube 1, a center hole that slides through connector III-3 of nut III-1, the other end mount of its other end and outer tube 1 ' is connected.

6, has the sheath of making by nonmetals 15 on the door closer-holder according to claim 3, '-3 that it is characterized in that in described outer tube 1 ' and connector II '-2 and II.