CN2203336Y

CN2203336Y - Multifunctional automatic door opening and closing device

Info

Publication number: CN2203336Y
Application number: CN 94215610
Authority: CN
Inventors: 许乃春
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-23
Filing date: 1994-06-23
Publication date: 1995-07-12
Anticipated expiration: 2004-06-23

Abstract

The utility model relates to a multifunctional automatic opening and closing device for a door. The utility model is used for enabling doors and windows to be automatically closed or kept on the open position according to required speed. The utility model comprises a slide device 4 which is fixed to a door leaf 3, and a tension device 10 which is fixed between a door frame 2 and a wall 1. A slide sliding frame 7 and a regulating block 6 can be arranged in the slide device, the length of a rope 12 can be adjusted, and the tension of a spring 19 is adjusted. The spring 19 and a speed detecting device 17 are arranged in the tension device. An end cover 21 and a speed control device are provided with blades 14, 16 and 21, the size of an air outlet is adjusted, and a wing leaf is slowly closed. When the open angle of the wing leaf is greater than 90 DEG, the sliding frame 7 moves to the right end, and the wing leaf is normally opened. The tensioning device can be not provided with the speed controlling device, and the slide device can be in a slide groove type and a rolling wheel type or the slide device is a circular screw.

Description

Multifunctional automatic door opening and closing device

The utility model relates to be moved on to wing or door to open or the device of fastening position, particularly relates to the closer of spring actuated wing or door.

Now, door, the to be opened/closed movable wing of window or cabinet door and so on, mostly being manpower opens and closes, as door, also to close it after opening the door, it is time-consuming to require great effort, and also tends to forget close the door, and an also useful spring is held door closes it, but spring is exposed like this, very not attractive in appearance, spring force can produce very big bump and sound when door is closed, and a kind of known spring-operated hinge that has added spring on hinge is arranged, though it is more attractive in appearance, but when closing, still have very big bump and sound, also have a kind of closer that is contained in earthworm and so on below the door-hinge, but it is used for swing-door more, complex structure, inconvenient maintenance need be buried underground when building, can't use for general common timber.

The purpose of this utility model provides a kind of simple door safety shutoff, it is simple in structure, easy for installation, maintenance easily, in closing course, can make closing motion slow, can not produce bump, after door leaf reaches greater than 90 degree, can make the Men Youyi pulling force make it often to open, when door does not need to close automatically, can also make safety shutoff inoperative.

The purpose of this utility model realizes by following technical scheme, the multi-functional safety shutoff of door comprises a slippage device and a chest expander that is contained in doorframe and the wall that is contained on the door leaf, has tension spring in the cylindrical shell of chest expander, this spring one end is fixed in the end cap of cylindrical shell, the other end links to each other with the speed control body, the other end of speed control body links to each other with wire rope, the slippage device comprises the balladeur train and the regulating shaft that can slide in slide plate, the other end of said wire rope is in guide wheel penetrates the hole of regulating shaft, groove is arranged on the regulating shaft, and the hole that reeve is arranged at groove center, rotate regulating shaft and can regulate length of steel wire rope and the pulling force of regulating spring, when door leaf is opened, spring is elongated, the pulling force of its contraction retracts door leaf and door leaf cuts out, fan blade and speed governing fan blade are arranged on end cap and speed control body, their position can be adjusted and change the size of venthole and make the contraction of spring be subjected to air resistance and the speed of closing door leaf can be adjusted on demand, the stress point can change door leaf that moves of balladeur train changes the closing velocity that the suffered moment of door also can reduce with the distance of fulcrum, when door leaf is opened into greater than 90 °, balladeur train and regulating shaft slide to the opposite side of hinge (fulcrum) and make the wire rope center surpass the hinge fulcrum, so spring force often leaves door leaf, as breaking away from the wire rope self-regulated nodal axisn, then closer is inoperative, and door becomes common door.

So the multi-functional safety shutoff of above-mentioned door can make door in time close, pulling force of closing and adjustable-speed when opening door greater than 90 °, can also be held door leaf and make and remain on maximum open position, and as breaking away from the rope self-regulated nodal axisn, then closer is inoperative.

The slippage device can be a slide block type, also can be roller type, also can only be an annular screw, gets final product cable end is fixed thereon.

Chest expander can be as above-mentioned belt speed control body, the mode that also can be spring directly link to each other with rope.

Below in conjunction with drawings and Examples the multi-functional safety shutoff of door of the present utility model is explained in detail;

Fig. 1 is the installation and the structural representation of the multi-functional safety shutoff of the utility model door;

Fig. 2 is the sectional view of the multi-functional safety shutoff of the utility model door along A-A face among Fig. 1;

Fig. 3 is the schematic diagram of closer when door leaf is half-open;

Fig. 4 holds the schematic diagram that makes door be in normally open for be closed device when door leaf reaches greater than 90 °;

Fig. 5 is the enlarged drawing of slippage device section among Fig. 2;

Fig. 6 is that the B of slippage device among Fig. 5 is to view;

Fig. 7 is that the slippage device is along the sectional view of C-C section among Fig. 5, and its middle slide plate does not draw;

Fig. 8 be among Fig. 2 guide wheel along the sectional view of D-D section;

Fig. 9 is that the speed control body is along the sectional view of E-E section among Fig. 2, and its middle cylinder body and exterior wall do not draw;

Figure 10 is that the speed control body is along the sectional view of F-F section among Fig. 2, and its middle cylinder body and exterior wall do not draw;

Figure 11 is the sectional view of second kind of embodiment of slippage device;

Figure 12 be among Figure 11 the slippage device along the sectional view of G-G section;

Figure 13 is the structural representation of second kind of embodiment of the multi-functional safety shutoff of door;

Figure 14 is the structural representation of the third embodiment of the multi-functional safety shutoff of door;

Figure 15 is the structural representation of the 4th kind of embodiment of the multi-functional safety shutoff of door.

As Fig. 1, Fig. 2 is fixed with doorframe 2 on the wall 1, doorframe 2 links to each other with hinge (hinge) 9 with door leaf 3, door leaf can be opened and closed, with screw 32 slippage device 4 is housed at the suitable height place (as in the middle of it or the middle place of two hinges) of door leaf, and equally highly with screw 33 chest expander 10 is being housed in the doorframe of the dress hinge side at place and the wall, the wire rope 12 that stretches out in the chest expander 10 links to each other with slippage device 4, the slippage device is by slide plate 5, regulating shaft 6, balladeur train 7, slide block 8, spring 29, check lock lever 30, screw rod 27, clamp 28 is formed, 10 of chest expanders are by cylindrical tube 18, end cap 21, spring 19, speed control body 17, wire rope 12 and guide wheel 11, fan blade 20, movable fan blades 16, speed governing fan blade 14, O type joint ring 15, and the guide wheel shaft 24 of supporting wheel 11, wheel frame 25 and spacer ring 23 are formed.

As Fig. 3, when door leaf 3 was opened, the slippage device drove wire rope 12 and pulling spring 19 makes it elongation, spring 19 is an extension spring, when staff unclamped, spring force was about to door leaf and is returned to fastening position, and pulley 11 makes unlikely and cylindrical shell 18 frictions in order to support wire rope.

Door leaf speed when closing is slower and unlikely clashes into doorframe in order to make, the end cap 21 that links to each other with the fixed end of spring 19 is provided with fan blade 20, one way valve is played in the hole that it covers on the end cap, movable end at spring 19 is connected with

speed control body

17,15 sealings of O type ring are arranged between speed control body 17 and the cylindrical shell 18, form a cavity 34 between speed control body and the end cap, also have the hole on the speed control body, and be provided with movable fan blades 16 and speed governing fan blade 14, fan blade 16 also plays one way valve, fan blade 20 and 16 is all made with resilient material such as rubber, the speed governing fan blade is then made by harder rubber, it only plays a part certain port lid is lived, when spring is stretched, chamber 34 becomes big, fan blade and movable fan blades 16 are backed down by outside air and make air enter chamber 34, so there is not resistance when opening the door, when the elastic force of spring 19 moves the speed control body to pulling back, chamber 34 diminishes, gas in the chamber is with fan blade 20, movable fan blades 16 withstands and with bore closure, only staying the hole that speed governing fan blade 14 and movable fan blades 16 all do not cover on the speed control body 17 can leak gas, air can not be overflowed immediately and play a damping action and make the closing motion of door leaf slow, the speed governing fan blade as shown in figure 10, but can rotate and change surplus air vent size and change the size of damping action, speed governing fan blade 14 usefulness speed governing nuts 13 compress and fix.

Door leaf 3 is in the process of opening, and the component that spring force moves balladeur train also increases, and when greater than the friction of slide block and slide plate, balladeur train will move and the arm of force of spring force effect is reduced, and has also slowed down the effect of spring and makes and slowly close.

Figure 4 shows that when door leaf is opened into above 90 °, the pulling force of spring 19 can make balladeur train 7 slide into fulcrum 9(hinge along the guide groove on the slide plate 5) opposite side, on the cylindrical shell 18 of chest expander, have and to make the wire rope crooked and be folded to groove 26(Fig. 2 outside the cylindrical shell) along guide wheel, same groove is also arranged on the limit of doorframe, making wire rope surpass guide wheel 11 like this is that bendable goes out cylindrical shell, make the force at the opposite side of fulcrum 9 and door leaf is often left and can not close, pulling door leaf with hand closes it, balladeur train 7 is slided go back to the origin-location gradually, when wire rope was crossed fulcrum 9, spring still played the sliding door fan and closes.

Fig. 5, Fig. 6, Fig. 7 is the structure chart of slippage device, slide plate 5 is rectangular housings, one side has an elongated slot 35 so that rope passes through, on this face, all stretch out certain width and porose 36 down, so that screw 32 passes and the slippage device is fixed on the door leaf, be fixed with slide block 8 with dovetail groove or other method on the balladeur train 7, slide block 8 has in the long projection embedding elongated slot 35 and can slide in groove, the thickness sum of balladeur train 7 and slide block 8 should be slightly less than the space of slide plate 5, when being slided in chute 35, can not topple over or deviate from by balladeur train 7, the material of slide block 8 can be plastics, is preferably polytetrafluoroethylene (PTFE), and coefficient of friction should not be too big in order to avoid slide ineffective.

Be placed with columniform regulating shaft 6 in the balladeur train 7, it has a groove 38 on circumference, there is a hole 37 centre, wire rope passes in hole 37, there is groove 22(Fig. 1 the regulating shaft end) utilize screwdriver to make regulating shaft rotation and that wire rope is involved in the groove 38 is fixing, and can regulate that wire rope roll goes into what and regulate the length of the wire rope between slippage device and the speed control body and the size of regulating spring pulling force, can decontrol check lock lever 30 after transferring to the appropriate location, its elastic force with spring 29 is sprung in the aperture 31 on the regulating shaft circumference with the location.For easy to assembly, check lock lever can be made two and be fixed together with screw thread and stretch out an end (as 39 among Fig. 7) so that move with hand, balladeur train 7 can be slided in groove by the component effect of wire rope, regulate its distance of allow sliding when maybe needing to fix its position when needs, the position that rotatable screw rod 27 changes clamps 28 gets final product.This kind slippage device is called chute-type slippage device.

Among Fig. 8, guide wheel 11 is contained on the guide wheel shaft 24, guide wheel shaft 24 is contained on the wheel frame 25 of an annular, wheel frame has screw thread outward, and the oral area of cylindrical shell 18 has internal thread, and they are tighter, tightly be combined together and be threaded to suitable guide wheel position, guide wheel remains on centre position and relative with opening 26 on the cylindrical shell with two spacer rings 23, Yi Bian opening 26 can have, also can have with convenient for assembly on both sides.

Fig. 9 represents the assembly relation of movable fan blades 16, the small sircle hole 39 that on speed control body 17, has scallop hole or be uniformly distributed along the circumference, movable fan blades 16 has hidden a part of hole 39, it plays an one way valve, be that door leaf is when opening, air can flow freely in the chamber 34, and when door leaf cut out, the hole tegmentum of the part that is hidden was stubbornly refused and can be ventilated.

Figure 10 represents the schematic diagram of the relation of speed governing fan blade 14, speed governing fan blade 14 is contained in the opposite side in the hole 39 on the speed control body that movable fan blades 16 hides, but only hide that a part of hole that movable fan blades 16 does not cover at most, it is extremely to make port lid airproof, adjust the position of speed governing fan blade 14 on demand, after promptly having determined it to cover what of hole, with nut 13 speed governing fan blade 14 is pushed down and to be made it and can not rotate, when chamber 34 diminishes, can ventilate in the hole of having only movable fan blades 16 and speed governing fan blade 14 all to cover on the speed control body, Gai hole is not few more, air is overflowed slow, and damping action is big more, and it is slow that door leaf closes, otherwise it is fast that door leaf closes.

Figure 11, the 12nd, the another kind of embodiment of slippage device, all there is groove 42 above and below at slide plate 45, the upper and lower end of balladeur train 44 all has little axle 43, little axle 43 stretches in the groove 42, and balladeur train 44 can not rotated, and two rollers 40 also are housed on balladeur train 44, make it can not come off with turn 41 location, done guide rail 46 on the slide plate 45, roller 40 can roll thereon so balladeur train 44 can move in slide plate 45, and the slippage device of this form is called roller type slippage device.

Figure 13 is second kind of embodiment of closer of the present utility model, and an end of its rope directly links to each other with door leaf with annular screw 47.

Figure 14 is the third embodiment of closer of the present utility model, and its slippage device is the roller type slippage device shown in Figure 11,12.

Figure 15 is the 4th kind of embodiment of closer of the present utility model, and its chest expander is that spring 19 directly links to each other with wire rope 12, and the slippage device is a chute-type slippage device.This kind closer is belt speed control body not, simple in structure, easily manufactured, but owing to having guide wheel 11 and slippage device 4 so can make door leaf be in normally open, when door being retracted when closing, because the frame that rolls of slippage device is movably, because of its force difference so spring force acts on the door relatively relaxes, be the distance of the application point of spring force apart from fulcrum, when Men Kaida, spring force is big and the force is little apart from the distance of fulcrum 9, moment is little, and when door open hour, then opplied moment is big, also can not produce very big bump like this.As wire rope 12 is broken away from the slippage device, can make the door of door for common no closer.

The 5th kind of embodiment of closer of the present utility model is that chest expander is that spring directly links to each other with rope, and the slippage device is a roller type.

The 6th kind of embodiment of closer of the present utility model is that chest expander is that spring directly links to each other with rope, and rope directly links to each other with annular screw 47 with door leaf.

By as seen above-mentioned, the multi-functional safety shutoff of door of the present utility model, can be after door leaf be opened on demand pulling force and speed close automatically, transfer to closing velocity hour, close closed procedure and do not have impact, vibration and noise can also make door leaf have a pulling force to make it can not close when door leaf reaches greater than 90 °, as rope is thrown off, then become the common door of not closing pulling force, this closer simple in structure, cost is low, is easy to installation and maintenance, and multiple function arranged, real is very practical a kind of product, and multiple compound mode is arranged, and can satisfy various requirement.

Claims

1, the multi-functional safety shutoff of a kind of door, it is characterized in that comprising the slippage device 4 that is contained on the door leaf 3, be contained in the chest expander 10 in doorframe 2 and the wall 1, said chest expander has a cylindrical tube 18 that is fixed in doorframe and the wall, having an end in the cylindrical shell is fixed on the end cap 21, the spring 19 that the other end links to each other with wire rope 12, this wire rope other end after guide wheel 11 guiding links to each other with the slippage device, slippage device 4 comprises the slide plate 5 that is fixed on the door leaf, elongated slot 35 is arranged in the middle of the slide plate, balladeur train 7 slidably in slide plate, the spring 29 and the check lock lever 30 of regulating shaft 6 that can in balladeur train 7, rotate and regulating shaft location usefulness.

2, as the multi-functional safety shutoff of the said door of claim 1, it is characterized in that having speed control body 17 between the spring 19 of said chest expander 10 and the wire rope 12, O type joint ring 15 is arranged between speed control body and the cylindrical shell 18, also have movable fan blades 16 and speed governing fan blade 14 on the speed control body.

3,, it is characterized in that having slide block 8 on the balladeur train 7 of said slippage device as claim 1 or the multi-functional safety shutoffs of 2 said doors.

4, as claim 1 or the multi-functional safety shutoff of 2 said doors, it is characterized in that said slippage utensil has slide plate 45, upper and lower faces at slide plate 45 has groove 42, there is groove 35 in the front, the upper and lower side of balladeur train 44 has little axle 43, axle 43 stretches in the slideway, also has roller 40 on the balladeur train, and roller can roll on the guide rail 46 of slide plate 45.

5, as claim 1 or the multi-functional safety shutoff of 2 said doors, it is characterized in that said slippage device is an annular screw 47.