CN202031421U - Device for opening/closing hanging hole by turning cover plate - Google Patents

Abstract

The utility model relates to an improved structure of a device for opening/closing a hanging hole by turning a cover plate of the hanging hole, which is characterized in that an assistance opening device of a turning cover plate is a plurality of torsion springs, a rotary chain and a door leaf turning-moving guide rail are arranged on frames at two ends of a cover plate spindle or on a wall of hanging holes, a door leaf on the most outside of the cover plate is connected with the rotary chain to be pulled. The device adopts assistance of the torsion springs together with the rotary chain to open the cover plate, is simple in opening structure, substantially does not increase occupation spaces, is capable of retaining effective spaces of the hanging hole to the largest extent, enables opening/closing to be more stable, and is suitable for opening and closing of cover plates with multiple door leaves. The cover plate can be opened/closed both manually and electrically, or through accessory conversion according to the requirements. The opening assistance comes from a full-mechanical structure which substantially not be damaged. Therefore, the device has high utilization reliability and less maintenance work.

Description

Hang the upset of thing blind patch and open/close device

Technical field

Utility model is to hanging the improvement that device was opened/closed in thing blind patch upset, and it is little, simple in structure to relate in particular to a kind of mechanism for opening/closing footprint, and the cover plate On/Off is laborsaving, convenient, the thing blind patch that hangs of stable action overturns and opens/close device.

Background technology

Disclosed building buildings such as Chinese patent CN2499465, CN201099937, the CN201209277 thing hole removable cover that hangs of floor gap hanging device are up and down opened booster, provide light unlatching different modes for hanging thing hole load-bearing cover plate, though all have the effect of power-assisted unlatching preferably.Yet still there is some deficiency in they, for example assistance opening device own space occupy-place (width) is relatively large, be arranged on to occupy after open at the cover plate back side and hang thing hole certain space (monolateral account for wide about 20-30cm), feasiblely hang the actual thing usable floor area that hangs in thing hole and dwindle; Secondly, these assistance opening devices not only cost are relatively large, and manufacture difficulty is relatively large, use also unsatisfactory.For example the disclosed cover plate of Chinese patent CN2499465 is flipped open/closes and adopts the counterweight balance of the mutual interlock of gear, its balance weight accuracy control is very big, if the weight counterweight is excessive, directly automatically spring open the generation hidden danger after then can causing cover plate to take off lock, the weight counterweight is too small, can cause again needing could draw back cover plate in off position with very big auxiliary manpower, even counterweight just in time, cover plate unlatching moment pulling force also is difficult to accomplish light unlatching more greatly.Particularly this structure power-assisted opening process lacks buffering, can produce unlatching and quicken not steady.Besides, along with hanging continuing to increase of thing hole area, for example occur 11 * 12 meters and hang the thing hole greatly, it is increasing that thing hole upset cover plate is hung in feasible covering, owing to holded up requirement for height restriction (≤1.5 meters), often adopt two fans and above hinged door leaf, for example Chinese patent CN201209277, CN101748882 are described splits every side two fan swing leaf structures.Hinged multi-door fan not only opened/closed power increases considerably, cause and open difficulty, and cover plate rotates between 90 degree, objectively exist and turn to the dead point, especially many fan twistings, for obtaining the big as far as possible object space that hangs, secondary door-plate is vertical substantially opening when packing up, and becomes big crossing vertical line dead point resistance when not only closing; Hold bad also can the appearance and be subjected to effect of inertia to open the secondary student and held excessively digging of vertical line because of secondary gate-width degree is big if open support, resistance increases when causing closing especially, even occurs and can't normally close, sometimes even can cause dieback to damage motor.And existing cover plate On/Off booster all is arranged on the hinged main door-plate that hangs thing hole side wall, opens hinged multi-door fan by jack-up master door-plate, has increased the On/Off resistance so especially, causes power-assisted to open/close device and very easily damages.Above-mentioned deficiency still has is worth improved place.

The utility model content

The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, provides a kind of mechanism for opening/closing footprint little, simple in structure, cover plate On/Off stable action, and On/Off is laborsaving, hang the upset of thing blind patch easily opens/closes device.

The utility model purpose realizes, it is main that to improve one be that cover plate is flipped open/closes and adopts torsionspring (abbreviation torsion spring) power-assisted/damping, the 2nd, at the cover plate turning cylinder to the framework at two ends or hang on the wall of thing hole the revolution chain is set, and with cover plate outermost door leaf with the revolution chain be connected, fan is drawn/pushes in revolution rotation by the revolution chain, the opened/closed of thing hole door leaf is hung in realization, thereby has overcome the deficiencies in the prior art, realizes the utility model purpose.Specifically, utility model is hung thing blind patch upset and is opened/close device, comprises being flipped open/close cover plate and cover plate rotates laterodorsal assistance opening device, it is characterized in that said assistance opening device is some torsionsprings; The cover plate turning cylinder is to the framework at two ends or hang revolution chain and door leaf upset moving guide rail are arranged on the wall of thing hole, cover plate outermost door leaf with turn round chain and be connected and be pulled.

Before the detailed description, make a presentation earlier, so that those skilled in the art have one clearly to understand to this patent general plotting technical scheme and the basic effect that reaches by the basic function and the effect that can reach to invention.

Hanging the thing blind patch is flipped open/closes, adopt torsion spring+revolution chain collaborative jointly, by being arranged on the torsion spring power-assisted of rotation place, cover plate is closed according to the gravity upset and is made torsion spring reverse energy storage, and form and close a damping (damping force increases with windup-degree) because of reversing reaction force that energy storage produces, realize that big weight cover plate slowly closes, avoided cover plate to close being about to put in place producing the kick closure; The cover plate reverse flip is opened and is discharged by torque spring energy store, and energy storage steadily discharges gradually under the reaction of cover plate weight, can not occur opening kick equally, realize that not only the closure flap power-assisted is flipped open, and avoid the not steady kick in the process that is flipped open.In addition, the unlatching of cover plate or close, also by the pulling of revolution chain, like this under two power effects, easily realize the unlatching of big weight cover plate and multi-door fan cover plate or close, even be in vertical unlocking or holded up head status at multi-door fan, also because the pulling of revolution chain is arranged, very easily just can cross vertical dead point, and under revolution chain smooth rotation, make multi-door fan realize steadily opening and closing.

In the utility model.

Torsion spring, from energy storage and release torsion generator, power-assisted is opened big weight load-bearing cover plate as a kind of.Wherein a kind of torsion spring that adopts torsion spring two arms roughly to be 180 degree that is preferably, torsion spring two arms roughly are the torsion spring of 180 degree, making cover plate open becomes the guardrail state, and torsion spring does not have energy storage nature (non-pre-torsion state) substantially, helps on flooring adjusting and replacing to torsion spring power.

For convenient torsion spring torsion is adjusted and keeped in repair, changes, the setting of torsion spring, a kind of better is that torsion spring (according to cover plate weight, two or above torsion spring) is arranged on the torsion spring support by the active pin shaft series connection, is replaceable torsion spring by extracting bearing pin like this.In addition, a kind ofly more preferably the torsion spring position is installed, cover panels is made movable assembly structure, for example be screwed, open torsion spring position drop front and can regulate, keep in repair, greatly facilitate adjusting and maintenance torsion spring to torsion spring at cover plate.

Cause torsion to reduce for effectively compensating torsion spring fatigue, on a kind of at least one spring arm of torsion spring more fortunately the torsion adjustment screw is set, regulate torque magnitude, can make the tired torsion of torsion spring reduce and be compensated by the advance and retreat of adjustment screw.

For hanging the thing hole greatly, the big weight of the cover plate also torsion spring torsion of big employing is also big, for huge torsion after avoiding cover plate closing causes the torsional deformation that hangs thing blind patch framework, a kind of better is that power support of reverse top or pulling force support are set on the torsion spring support, dependence is hung side wall top, thing hole and is propped up or pulling force, prevents to hang thing hole framework and is subjected to the excessive torsional deformation of torsion.Top power or pulling force support, and a kind of being preferably adopted adjustable bolt.

For realizing easily being flipped open, reduce closure state and open power-assisted, a kind of better is to make torque spring energy store torsion make cover plate for example have 5-30 degree angle lift slightly, avoid closed dead point like this and open external force, only need to give the power of lifting slightly, even do not lifted power, cover plate just can easily be opened.Under the big slightly situation of torsion spring power, cover plate is flat to close closure in order to make, and can on the cover board be provided with and fasten lock, and the simplest fastening lock of a kind of structure is rotational pin.Close at cover plate like this and lift slightly down, smash, rotate the fastening lock cover plate is latched on the framework by artificial weightening finish; After the cover plate unlatching, also can will dig cover plate and latch on the fence upright, and prevent to dig cover plate and fall down, and can also prevent flexible guardrail dropout whereabouts, avoid taking place security incident, strengthen the security reliability of flexible side rail by the fastening lock.

The cover plate turning cylinder is provided with the revolution chain to both sides, and major function is to open or close as the pulling door leaf, has not only better solved to dig door leaf and cross closing of vertical point, and has closed closed procedure and also can not appear at and close last kick.The revolution of revolution chain drives, and two kinds of modes are arranged substantially: a kind of is manually, for example inserts separable turning cylinder and runner, and hand wheel drives the revolution chain and rotates; Another kind is electronic, replaces manual drives revolution chain to rotate by motor.

Hang the thing hole greatly for some, one-sided cover plate can have two fans or more than be hinged, put on guide rail by putting wheel at secondary door-plate two ends, it is contour to put a wheel set-point and main door-plate, does not need to be provided with separately guide rail so again.

Hang the thing hole for heavy caliber, one-sided have two to fan or above door leaf cover plates, and for making unlatching more laborsaving, the bottom sides of a kind of more fan twisting door leafs unlatching have counterweight, by increasing counterweigh door leaf weight, more help perk under the closed condition.

Utility model is hung the upset of thing blind patch and is opened/close device, with respect to prior art, adopts torsion spring to open in conjunction with revolution chain power-assisted, and not only the power-assisted opening structure is simple, and equipment cost is low; And power-assisted opens and not increase footprint substantially, can keep to greatest extent and hang the thing hole usefull space.Secondly, torsion spring power size is proportional with angle of torsion, and cover plate rotates to torque spring energy store according to weight, increases the also increase gradually of torsion spring reaction force along with closing rotational angle, makes and played good damping action in closing closed procedure; Cover plate rotates and lifts, and torque spring energy store torsion overcomes weight and discharges gradually, makes that the cover plate On/Off is steady, and resiliency is good, no kick action, and safety is good.Torsion spring is arranged on structure on the torsion spring support, and torsion spring position cover plate face is installed is activity form, makes that torsion spring adjustment, maintenance, increase etc. are more convenient.And torsion is set on torsion spring one arm at least regulates, simplified the configuration and the adjustment of power greatly, it is very convenient to make installation adjust.The auxiliary pulling of revolution chain door leaf On/Off, On/Off is more steady, is more suitable for multi-door fan cover plate opening and closing, and both can be manually opened/close, also can electric opening/close, can change with accessory earlier as required.Open power-assisted, be full mechanical, can not damage substantially, the dependability height, maintenance load is little.

Optimize specific embodiment below in conjunction with two; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technician; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.

Description of drawings

Fig. 1 opens/closes the apparatus structure schematic diagram for hanging the upset of thing blind patch.

Fig. 2 is Fig. 1 medi-spring power-assisted part schematic diagram.

Fig. 3 is a torsion spring schematic diagram under the cover plate open mode.

Fig. 4 installs torsion spring position drop front schematic diagram for cover plate.

Fig. 5 is a cover plate closed condition snap close schematic diagram.

Fig. 6 is a cover plate opening snap close schematic diagram.

Fig. 7 is that Fig. 6 A is to structural representation.

Fig. 8 is the second example structure schematic diagram.

The specific embodiment

Embodiment 1: referring to Fig. 1-7, utility model is hung the upset of thing blind patch and is opened/close device, upset load-bearing cover plate one side is hinged with width by main door-plate 4.1 by hinge 7.1 and forms (also can be monolateral On/Off) greater than the secondary door-plate 4.2 of main door-plate, there is counterweight 9.1 (helping opening perk) in the secondary door-plate outside (opening bottom side), main door-plate 4.1 is connected in by hinge or pivot 3 rotating supports and is fixed on the framework 2 that hangs thing hole side wall 1, hang thing hole framework (also can be to hang thing hole side wall) door leaf turning cylinder and door leaf upset moving guide rail 6 is respectively arranged to two ends, secondary door-plate two ends and the wide position of main door-plate have support roller 8.1 to be supported on the guide rail 6, the frame guide rail side also is provided with the revolution chain 11 that gear-box 10 drives, secondary door-plate support roller place with turn round chain and be connected and be pulled, the revolution chain has tensioning apparatus 12 adjustment of tonicity, the gear-box driving shaft can be connected with the insertion hand wheel, also can link to each other, realize manual drives or motor-driven respectively with drive motors.Same prior art, cover plate two ends also are respectively arranged with reduction formula side rail, and dig the cover plate mutual group and become safe guard bar device.

The main door-plate 4.1 rotating support side back sides have some groups of torsion springs 5 to do the power-assisted unlatching, two of torsion springs are subjected to the arm of force roughly to be 180 degree, and an arm is at the cover plate back side, and an arm is on supporting bracket, torsion spring power configuration closes main door-plate to be for example has 5-30 degree angle lift slightly, is convenient to the closed condition perk and easily opens.According to cover plate size and weight, two or more one group of torsion spring is arranged on the torsion spring support 14 by activity detachable shaft 13, and torsion spring power adjustment screw 15 is arranged on the torsion spring support, regulates torsion spring power after installation or torsion spring fatigue.The torsion spring support also by adjustable bolt 16 oppositely top Zhi Yu hang thing hole side wall 1, and/or draw by adjustable bolt 17 and to be supported on the Vierendeel girder 18, play preventing that torsion spring support and framework are because of stressed excessive torsional deformation.Cover plate 4 is provided with torsion spring group position panel 19 and is removable bascule,, when needs are changed torsion spring or adjusted, tears open and moves removable cover on the cover plate framework by screw, unclamps torsion axis 13 and can change torsion spring 5.The axial both sides of cover plate 4 secondary door-plates respectively are provided with rotates lock pin 20, closing smooth back rotation lock pin 20 at cover plate latches in cover plate on the framework 2, prevent to be subjected to torsion spring power effect perk (Fig. 5), after cover plate is opened, rotate lock pin 20 and embed side rail column 21 (Fig. 6), prevent to hold up cover plate and fall down, simultaneously lock pin 20 also has the side rail of preventing 22 drop (Fig. 7).Cover plate is down moving at torsion spring and revolution chain pulling, rotates to move along guide rail 6 according to hinge or pivot 3 and middle hinge 7.1 and opens or close.

Embodiment 2: referring to Fig. 8, as described above, for hanging the thing hole greatly, can also on hinged second secondary door-plate 4.3, the second secondary door-plates support roller 8.2 arranged again by hinge 7.2 in secondary door-plate 4.2 outsides, main door-plate is wider than in its position etc., and the second secondary door-plate inboard (opening bottom side) has counterweight 9.2.

To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the equivalence of feature changes or modification; mutual various combination between feature; for example turn round the change of chain type of drive; secondary door-plate and main door-plate are wide; and the omission counterweight, the change of lock pin form, or the like unsubstantiality change; can be employed equally; can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.

Be the convenience on describing, the said cover plate of this patent, door-plate, door leaf are synonym.Said torsion spring two arms roughly are 180 degree, and accurate 180 degree on the non-exponential meaning, and it only is that pre-torsion state is arranged slightly that angle has minimizing slightly, does not influence torsion spring power-assisted basic function.

Claims (12)

1. hang thing blind patch upset and open/close device, comprise being flipped open/close cover plate and cover plate rotates laterodorsal assistance opening device, it is characterized in that said assistance opening device is some torsionsprings; The cover plate turning cylinder is to the framework at two ends or hang revolution chain and door leaf upset moving guide rail are arranged on the wall of thing hole, cover plate outermost door leaf with turn round chain and be connected and be pulled.

2. hang thing blind patch upset and open/close device according to claim 1 is described, it is characterized in that torsion spring two arms roughly are 180 degree.

3. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that torsion spring is arranged on the torsion spring support by the active pin shaft series connection.

4. hang thing blind patch upset and open/close device according to claim 3 is described, it is characterized in that it is movable assembly structure that cover plate is installed torsion spring position panel.

5. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that on torsion spring at least one spring arm torsion adjustment screw being arranged.

6. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that having on the torsion spring support reverse top power or pulling force to support.

7. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that torsion spring torsion makes cover plate have 5-30 degree angle to lift.

8. hang thing blind patch upset and open/close device according to claim 7 is described, it is characterized in that having on the cover plate fastening lock.

9. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that turning round chain and drive and be plug-in rotation handwheel.

10. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that turning round chain has the tensioning adjusting device.

11. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that cover plate one-sided have two fans or more than, door leaf is opened bottom side counterweight.

12. describedly hang thing blind patch upset and open/close device according to claim 1 or 2, it is characterized in that one-sided cover plate have two fans or more than be hinged, put on guide rail by putting a wheel at secondary door-plate two ends, it is contour to put a wheel set-point and main door-plate.

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