(1) technical field
The utility model relates to a kind of electric lock, particularly relate to a kind of can be manual or electronic mode control, and can promote the electric lock of running smoothness when automatically controlled.
(2) background technology
General electric lock mostly utilizes clutch to be connected or to separate manual and automatically controlled power in design, in order to make manual mode operation more laborsaving, the applicant is once to the U. S. application patent of invention, the case of this patent of invention number is 09/977892, the structure of this application case is roughly as Fig. 1, shown in 2, comprise that one can be installed in the pedestal 11 on the not shown door-plate, this pedestal 11 has a upright side plate 111, and a room 112 between between side plate 111 and door-plate, and this electric lock 1 also comprises: be erected at the manual mechanism 12 on the side plate 111, one is installed in the electrical control mechanism 13 in the room 112, one is used for being connected or the clutch 14 of detachment dynamic, and two optoelectronic switches 15,16.
Wherein manual mechanism 12 has a control bar 121 that is horizontally through side plate 111, described control bar 121 has a control portion 122 of revolving that is positioned at outside the side plate 111, an and control bar portion 123 that stretches in the room 112, and manual mechanism 12 also has moving part 124, an induction pieces 125 that is set in linkedly in the control bar portion 123, and two clasps 120, wherein offer several equidistant interlock recesses 126 on the outer ring surface of moving part 124.Borrow the manual control bar 121 that rotates, can drive moving part 124 and induction pieces 125 and rotate together, make induction part 127 corresponding optoelectronic switch 15 or another optoelectronic switches of radially giving prominence to 16 on the induction pieces 125.
And electrical control mechanism 13 has a motor 131, and is installed in worm gear 132 on motor 131 output shafts, and one and the convergence gear 133 of worm gear 132 engagements.This clutch 14 has: one is fixed on the positioning seat 141 in the room 112, one can be around the clutch seat 142 that control bar 121 rotates also and convergence gear 133 meshes, several dowels 143, and several give the spring 144 of dowel 143 axial elastic force, wherein has an inner ring surface 145 around central axis setting on this positioning seat 141, and several are located at the location indentations 146 on the inner ring surface 145, this dowel 143, spring 144 is to be installed in severally in several mounting grooves 147 of offering on the clutch seat 142, each dowel 143 all has a circular arc positioning end 148 away from moving part 124, and an interlock positioning end 149 near this moving part 124.
Under interlock state not, be subjected to the pushing tow of each spring 144, the circular arc positioning end 148 of this dowel 143 is to be positioned in each location indentations 146 of positioning seat 141, and the interlock positioning end 149 that is positioned at radially inner side on the dowel 143 is that retraction is in mounting groove 147, this control bar 121 of manual rotation this moment only can drive moving part 124 and induction pieces 125 rotates.And when electric control operation, the power of motor 131 will rotate by worm gear 132, convergence gear 133 transmission clutch seats 142, when clutch seat 142 rotates, originally the prominent elastic force that bar 143 will overcome spring 144 of respectively controlling to positioning seat 141 inwardly moves with respect to moving part 124 footpaths, and make interlock positioning end 149 be plugged in the interlock recess 126 of moving part 124, like this, the power of motor 131 is interlock moving part 124, control bar 121 and induction pieces 125 rotations indirectly just, and the induction part 127 that makes this induction pieces 125 is corresponding to optoelectronic switch 15 or optoelectronic switch 16.
Case is under the state of manual mode operation before this U. S. application, because rotating, control bar 121 only can drive moving part 124 and induction pieces 125 rotations, therefore have manual mode operation labour-saving effect really in the design, however the angle of just making, and the aforementioned patent applications case has the disappearance that electric control operation has some setbacks.The reason that produces aforementioned disappearance is: this patent application case is not when the interlock state is transformed into the interlock state, be the elastic force that overcomes spring 144 by dowel 143 with respect to moving part 124 footpaths inwardly in-migrations engage, and dowel 143 is in the operation that inwardly moves with respect to moving part 124 footpaths, mainly be by circular arc positioning end 148 and positioning seat 141 146 of location indentations against carrying out, though this patent application case all is provided with the oblique face that pushes away on each location indentations 146, but because the circular arc positioning end 148 of dowel 143 is fixing non-rotary designs, therefore when the power transmission clutch seat 142 of motor 131 rotates, be subjected to shoring of spring 144,146 of this circular arc positioning end 148 and location indentations be with each other closely against mode carry out, when the radian of circular arc positioning end 148 is got over circular arc at this moment, dowel 143 just can't directly inwardly move more smoothly, when the radian of supposing circular arc positioning end 148 makes comparatively flat into, because the degree of depth deficiency of circular arc positioning end 148 and 146 engagings of location indentations, cause unreliable on the manual mode operation easily, the place that haves much room for improvement in the case design before this patent that Here it is.
(3) utility model content
The purpose of this utility model provide a kind of when electric control operation electric lock more smoothly.
Electric lock of the present utility model comprises a pedestal, this pedestal has a side plate and a room, and electric lock also comprises: one is installed in the manual mechanism on the side plate, be installed in the electrical control mechanism in the room, one is positioned at room and is fixedly mounted in positioning seat on the side plate, one can be subjected to the clutch seat of electrical control mechanism control rotation, and at least one clutch unit, wherein this manual mechanism has a control bar that is located on the side plate, this control bar has the outer control portion of revolving of an outstanding side plate, an and control bar portion that stretches into room, and manual mechanism also has and control lever linkage and a moving part and the induction pieces of axle sleeve on the control bar, on an outer ring surface of moving part, offer at least one interlock recess, and but electrical control mechanism transmission clutch seat rotates, on the clutch seat, offer the mounting groove that at least one is installed for clutch unit, and positioning seat has an inner ring surface, and at least two be located on the inner ring surface and and the axial location indentations of correspondence of mounting groove; Be characterized in: this clutch unit has: one can axial displacement in mounting groove dowel, give the spring of the permanent inner ring surface displacement toward positioning seat of dowel, an and ball, wherein have an interlock positioning end towards moving part on the dowel, and one settles and towards the ball installation end of the inner ring surface of positioning seat for ball.When the clutch seat is subjected to the motor drive mechanism driven rotary, the ball of clutch unit is to roll from location indentations with roll mode, pressing the elastic force that dowel overcomes spring simultaneously directly inwardly contracts with respect to moving part, the interlock positioning end just can inwardly move the interlock recess that is fastened on moving part because of the footpath like this, rotates to drive manual mechanism.
For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is a complete combination figure not of U. S. application case number No. 09/977892 case, and this electric lock is in not interlock state among the figure.
Fig. 2 is not complete three-dimensional exploded view of case before this patent.
Fig. 3 is the combination of side view of first preferred embodiment of the utility model electric lock.
Fig. 4 is not complete combination elevation of this preferred embodiment.
Fig. 5 is not complete enlarged drawing of this preferred embodiment, and the structure of a clutch unit of this electric lock is described, aforementioned electric lock also is in an interlock state not.
Fig. 6 is the not complete enlarged drawing of a similar Fig. 5, illustrates that this electric lock is in an interlock state.
Fig. 7 is the not complete enlarged drawing of a similar Fig. 5, and the part structure of second preferred embodiment of the utility model electric lock is described.
(5) specific embodiment
Consult Fig. 3,4, the utility model electric lock also comprises: one is installed in pedestal 2, a manual mechanism 3, an electrical control mechanism 4, a positioning seat 5, a clutch seat 6 and the array clutch unit 7 on the door-plate 9, wherein this pedestal 2 has the ring wall 22 that the side plate 21, of a parallel door-plate 9 extends to door-plate 9 directions from these side plate 21 peripheries, and a room 23 that defines by this side plate 21 and ring wall 22, on side plate 21, offer a horizontal control bar perforation 211.And manual mechanism 3 has the control bar 31 that passes control bar perforation 211, axle sleeve on control bar 31 and a moving part 32, an induction pieces 33 of interlock, and two be located in the clasp 34 of control on the bar 31, wherein also has the control portion 311 of revolving outside the outstanding side plate 21 on this control bar 31, and control bar portions 312 that stretch in the room 23 for moving parts 32 and induction pieces 33 fits, on an outer ring surface of this moving part 32, be provided with several equidistant interlock recesses 321 that radially is arranged with equally, radially be extruded with an induction part 331 on this induction pieces 33.
And electrical control mechanism 4 also is mounted in the room 23, have: one provides the motor 41 of power, one is installed in the worm gear 42 on the output shaft of motor 41, one and the convergence gear 43 of worm gear 42 engagement, and two the compartment of terrain be fixed on optoelectronic switch 44 on the side plate 21,45, and this positioning seat 5 is the rooms 23 that are positioned at pedestal 2, and be combined in regularly on the side plate 21, on this positioning seat 5, has an inner ring surface 51 of establishing around control bar 31, and several location indentations 52 of radially being arranged with of this inner ring surface 51 certainly, each location indentations 52 all has one and inner ring surface 51 apical margin 521 in succession.And clutch seat 6 is to be installed in rotation in the control bar portion 312 of control bar 31, and and convergence gear 43 engagement, and receive motor 41 transmissions rotation, on clutch seat 6, offer several radially and be communicated with the mounting groove 61 of location indentations 52 and interlock recess 321.And this clutch unit 7 is distinctly to be installed in each mounting groove 61.
Cooperate Fig. 5, the utility model main feature is the structure improvement to clutch unit 7, each clutch unit 7 all has: one can be along the dowel 71 of mounting groove 61 axial displacements, one gives the spring 72 of dowel 71 axial elastic force, an and ball 73 that is subjected to dowel 71 pushing tows, wherein this dowel 71 comprises separately an interlock positioning end 711 and a ball installation end 712, this interlock positioning end 711 is towards moving part 32, and ball installation end 712 is towards the inner ring surface 51 of positioning seat 5, ball installation end 712 is provided with the recessed locating slot of an arc 713, and ball 73 is installed in the locating slot 713, a make peace greatly groove of locating slot 713 of a centre of sphere 731 of this ball 73 pushes up 714 concordantly after the installation, and this centre of sphere 731 is higher than an apical margin 521 of the location indentations 52 of positioning seat 5.
When electric lock is positioned at one not under the interlock state, the ball 73 of this clutch unit 7 and dowel 71 are to be subjected to spring 72 perseverances to shore outward, the ball 73 that this moment, outwards pushed up in the footpath is in the location indentations 52 of clip correspondence on positioning seat 5, and the interlock positioning end 711 of dowel 71 is in the mounting groove 61 of retraction clutch seat 6.When the user manually rotates the control bar 31 of this manual mechanism 3, equally only drive moving part 32 and induction pieces 33, and have manual labour-saving effect.
Consult Fig. 4,6, when the user controls this electric lock in automatically controlled mode, the power of motor 41 can drive clutch seat 6 equally indirectly and rotate, when clutch seat 6 rotates, originally the past direction initialization of drive that the ball 73 that is positioned at the location indentations 52 of positioning seat 5 will be subjected to dowel 71 moves, when mobile, be lower than the apical margin 521 of location indentations 52 owing to the centre of sphere 731 of ball 73, therefore ball 73 can the free rolling mode abuts against the apical margin 521 of location indentations 52, and shift out toward inner ring surface 51 gradually, driving the elastic force that dowel 71 overcomes spring 72 simultaneously inwardly moves with respect to moving part 32 footpaths, making interlock positioning end 711 move into is fastened in the interlock recess 321 of moving part 32, reaching the purpose of interlock manual mechanism 3, this moment, electric lock was to be transformed into an interlock state by interlock state not.That is to say that the utility model is when electric control operation, this clutch unit 7 is to break away from clips with mode of rolling and positioning seat 5, and therefore when electric control operation, interelement can not produce and fasten the phenomenon that has some setbacks, the smoothness when guaranteeing the electric lock electric control operation.
The structure of the utility model second preferred embodiment is identical with first embodiment haply, the difference of two embodiment is: the dowel 71 of second embodiment is not provided with locating slot, directly the periphery ring wall 62 with clutch seat 6 replaces locating slot, move to drive ball 73, move in order to make clutch seat 6 can successfully drive ball 73, make peace the greatly centre of sphere 731 of ball 73 of the periphery ring wall 62 of this clutch seat 6 is positioned on the same circumference.
More than explanation as can be known, the utility model is by the improvement of clutch unit 7, make this clutch unit 7 inwardly contract with respect to moving part 32 footpaths and can driven by a ball 73 that rolls, such project organization also can obtain automatically controlled more smooth and easy, the reliable effect of controlling.
Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.