CN2338481Y - Hand operation device for electrically driven roller door - Google Patents

Abstract

The utility model relates to a hand-operated device for an electrically driven roller door, which comprises a ladder main shaft, a worm gear, a clutch gear, a spring, a connecting rod, a diagonal rod and a cable of a remote switch, wherein the worm wheel, the clutch gear and the spring are orderly sheathed on the main shaft; the diagonal rod is arranged outside a housing of the tail end of the main shaft; the lower end of the diagonal rod is used as a fulcrum; the upper end of the diagonal rod is connected with the cable of the remote switch, and the connecting rod is controlled by the diagonal rod. At ordinary times, the clutch gear is engaged with a cincture of the worm gear under the press action of the spring to form a transmission system and a brake system. In the occasion of hand operation, as long as the diagonal rod is pulled by the cable of the remote switch to release the pressure of the spring to act on the clutch gear, the roller door can be lifted up or pulled down by hands. The utility model has the advantages of simple structure and convenient operation.

Description

A kind of hand gear of electric rolling door

The utility model belongs to the hand gear of electric rolling door.

The iron rolling door is because the device save space is firm defensive high, so be the generally employing of common people institute today, very takes strength but put because of the big volume of weight, controls with electric roll-up door mechanism so roll up to put all.With door-rolling machine control rolling door if once can arbitrarily roll up by release knob put no doubt very convenient, but as misfortune, during power interruptions, just rolling door can't be opened, disaster is caused on the serious road that also can lose escape, general door-rolling machine also all has auxiliary hand gear.Traditional all is the system of the stopping system of removing door-rolling machine earlier, slowly iron gate is drawn high with iron chains then, but speed is slow, even half-openly also need several minutes, when being used to have a power failure auxiliary solely can, if the misfortune of chance, then slow action cannot save a critical situation as fire, eliminated by the dealer so plant door-rolling machine.Now the dealer is many installs balancing spring additional on the rolling door axle, put weight to the stage that can draw with hand rest with the volume of balance rolling door, and as long as therefore the system of the stopping system of releasing door-rolling machine, just available hand directly holds in the palm and rises iron gate, and can finish several seconds.The system of the stopping structure of this kind traditional type door-rolling machine is called iron rolling door clutch apparatus, as shown in Figure 1, it is with movable bolt A solenoidoperated cluthes, when desiring to make clutch separation, as long as pulling knee B, movable bolt is retreated, and clutch just separates, and another movable bolt C just goes up the top simultaneously, make movable bolt A keep fallback state, when desiring to make clutch to recover to engage, can spur another movable bolt C downwards, movable bolt A just recovers the origin-location, clutch is engaged, this kind device is no doubt also available, just still has following two big shortcomings, can't overcome.

1. door-rolling machine must be contained in a head, and desire pulling knee B and movable bolt C certainly will will lean on rope, and the source distance of two ropes is extremely near, twines mutually, checks and balance so that just can't spur in hasty.And two rope sags, control is difficult for, and lets alone for a long time to move swiftly, and is repugnant to the eye.

2. structure dislikes complicated, the cost height.

The utility model purpose is to overcome above-mentioned shortcoming and hand gear that a kind of electric roll-up door mechanism is provided.

The solution that realizes the utility model purpose is: a kind of hand gear of electric rolling door, it is characterized in that this device comprises stepped main shaft, worm gear, clutch gear, spring, control link, brace, formations such as remote control switch hawser, the equal kink of worm gear and clutch gear is on stepped main shaft, main shaft has a side to become plane in the stratum of encapsulation clutch gear, the clutch gear axis hole has the shape that matches, the worm gear right side along the axis hole circumference have one with the cincture of the integrally formed protrusion of worm gear, this cincture outside is provided with the saw shape tooth that matches with clutch gear, brace is located at outside the shell body of main shaft end, this brace is a fulcrum with its lower end, its upper end links to each other with the remote control switch hawser, control link is controlled by brace then, and spring housing is contained on the main shaft of clutch gear one end.

Compared with prior art, because the utility model directly uses clutch gear, just can directly rise iron gate with hand rest with remote control switch hawser and the clutch of simple connecting rod control clutch gear, simple structure makes rather complicated originally door-rolling machine, is simplified to except that ratch, outside the worm gear, has only a clutch gear.At ordinary times clutch gear be subjected to spring pressure and with the interlock of worm gear cincture, form transmission and stop the system system, desire is used when manual, as long as with remote control switch cable pulling brace, and remove spring to clutch gear pressure, clutch gear and worm gear heel teeth break away from, and rolling door just can or be left behind with the hand rest liter, and operation is very easy.

Further specify the utility model below in conjunction with accompanying drawing.

Fig. 1 is the moving setting drawing of traditional rolling door tractor driver.

Fig. 2 is door-rolling machine and rolling door through-drive schematic diagram.

Fig. 3 is the vertical view that the utility model door-rolling machine is opened loam cake, and wherein Fig. 3 A is a remote control switch hawser control chart.

Fig. 4 is A-A ' the central longitudinal sectional drawing of Fig. 3.

Fig. 5 is main shaft constructing stereo figure.

Fig. 2 is the transmission schematic diagram of door-rolling machine and rolling door axle, dress fractional motor 2 on the door-rolling machine 1, by motor transmission door-rolling machine minor sprocket 11, borrow chain 12 and drive hinge wheel 31 and rolling door axle bed 3, normally between this rolling door axle bed 3 and flywheel 32, dress up a circle iron plate, form the round frame of a long tubular, honest and clean shape iron rolling door civilian dress is on this round frame, be subjected to its scrolling and balancing spring 34 is equipped with in lifting on central axis 33, in order to regulate rolling door lifting weight.

Fig. 3 is the vertical view that this case door-rolling machine is opened loam cake, Fig. 4 then is A-A ' the central longitudinal sectional drawing of Fig. 3, Fig. 5 is central main shaft constructing stereo figure, as can be seen from the figure worm gear 4 is that kink is on main shaft 5, screw rod 21 interlocks with motor 2, motor rotary speed is done reduction significantly, be suitable for to be fit to rolling door, worm gear 4 right sides have one integrally formedly with it to have a serrated teeth cincture 41, at ordinary times with clutch gear 6 interlocks, driving clutch gear 6 rotates, clutch gear 6 then is that kink is becoming on the 3rd rank joint of stepped main shaft 5, and a side of this rank joint has facet (51 among Fig. 5), and the clutch gear axis hole matches with it, therefore can drive main shaft 5 rotates, and can do appropriate moving in front and back, be subjected to spring 61 pressure during clutch gear 6 normalities, with the saw shape tooth interlock mutually of worm gear 4 cinctures 41, therefore worm gear 4 power can be driven minor sprocket 11 via clutch gear 6 with main shaft 5, this minor sprocket then is the head end that is packed in main shaft 5.

As when desiring to make clutch gear 6 to separate with worm gear cincture 41, as long as pulling is loaded on shaking of brace 7 upper ends and controls switch hawser 73, brace 7 just can be done the clockwise direction rotation and spur the round iron sheet 74 that connecting rod 71 links to each other with connecting rod 71 with fulcrum 72, and with spring 61 compressions, releasing is to clutch gear 6 pressure, clutch gear 6 and minor sprocket 11 just can break away from worm gear cincture 41 and freely rotate, and just can rise or the iron gate of leaving behind with hand rest this moment.The remote control switch hawser 73 of control brace 7 be one can be in hard coat movable little wirerope, this little wirerope is on sale with market, the control that is usually used in bicycle or the locomotive little wirerope of usefulness that brakes.This case is in order to control the control knob 75 that this remote control switch hawser 73 stretches, shape as shown in Figure 3A, control knob can be fixed on the appropriate location, during use as long as button handle (751) according to opposing that the pin direction pulls the limit and just can, turn back and can recover original state, extremely easy to use.

Claims (1)

1. the hand gear of an electric rolling door, its feature comprises stepped main shaft (5) at this device, worm gear (4), clutch gear (6), spring (61), control link (71), brace (7), remote control switch hawser (73) constitutes, the equal kink of worm gear (4) and clutch gear (6) is on stepped main shaft (5), main shaft (5) is whittled into plane in stratum's one side of encapsulation clutch gear (6), clutch gear (6) axis hole has the shape that matches, worm gear (4) right side along the axis hole circumference have one with the cincture (41) of the integrally formed protrusion of worm gear (4), this cincture (41) outside is provided with the saw shape tooth that matches with clutch gear (6), brace (7) is located at outside the shell body of main shaft (5) end, this brace (7) is a fulcrum with its lower end, its upper end links to each other with remote control switch hawser (73), control link (71) moves and then is subjected to brace (7) control, and spring (61) is sleeved on the main shaft (5) of clutch gear (6) one ends.

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