CN204002147U - Actuator devices - Google Patents
Actuator devices Download PDFInfo
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- CN204002147U CN204002147U CN201420425257.7U CN201420425257U CN204002147U CN 204002147 U CN204002147 U CN 204002147U CN 201420425257 U CN201420425257 U CN 201420425257U CN 204002147 U CN204002147 U CN 204002147U
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Abstract
The utility model provides actuator devices, can utilize simple formation easily and reliably to assemble its rotatable parts and torsion spring.Its first end of torsion spring (20) (20a) and engaging portion (23) engaging that is arranged at the first holding member (5), its second end (20b) and engaging jut (25) engaging that is arranged at the worm gear (10) as rotatable parts.In addition, in the peripheral part (surrounding wall portion 24) of spiral resettlement section (21) of accommodating the spire (20c) of above-mentioned torsion spring (20), be provided with butt jut (30), it can be with rotation by worm gear and at circumferential mobile engaging jut (25) butt of the radial outside of spire.Butt jut (30) possesses the restriction face (31) of the circumferential movement of restriction engaging jut (25) in second direction and can guide the inclined plane (32) of circumferential movement of crossing the engaging jut of butt jut (30) to first direction.
Description
Technical field
The utility model relates to actuator devices.
Background technology
Existingly using motor as the actuator devices of drive source, what have possesses torsion spring, and this torsion spring can be reversed to produce by the rotatable parts utilizing said motor to drive to rotate makes these rotatable parts to the active force of anti-motor driving direction rotation.For example, the actuator devices described in patent documentation 1 possesses: have the cam body of cam surface and have with the abutting part of this cam surface butt and be supported to the rod unit that can rotate.In addition, in above-mentioned actuator devices, above-mentioned cam body is for utilizing motor to drive the rotatable parts (with the worm gear of worm engaging) that rotate.And, be configured to rod unit and rotate based on being set in the cam contour of above-mentioned cam surface.
In addition, in above-mentioned conventional example, the holding member that torsion spring is provided with the turning cylinder of above-mentioned rotatable parts keeps.Particularly, this holding member be provided with radially inner side there is the turning cylinder of rotatable parts and accommodate torsion spring spire spiral resettlement section and with the engaging portion of the first end engaging of above-mentioned torsion spring.In addition, the second end of torsion spring and the engaging jut engaging that is arranged at rotatable parts.In addition, this engaging jut is formed at the rear side of cam surface.And the circumference in spiral resettlement section, is provided with the butt jut that utilizes the rotation of above-mentioned rotatable parts and can carry out with the radial outside at spire circumferentially mobile engaging jut butt.
That is, by such formation, after stopping motor driving, the active force based on torsion spring, rotatable parts rotate towards anti-motor driving direction.In addition, by being arranged at the engaging jut of above-mentioned rotatable parts and the butt jut butt of holding member side, and the rotation of rotatable parts is limited.And thus, these rotatable parts stably return to initial position.
Patent documentation 1: TOHKEMY 2012-219510 communique
Yet, in thering is the actuator devices of formation as described above, when torsion spring and rotatable parts are assembled in to holding member, preferably make the engaging protruding part of these rotatable parts in the consistent circumferential position of butt jut with holding member side.; owing to there being such position relationship; only by the engaging jut being disposed on above-mentioned butt jut is slided to motor driving direction; engaging can be had to the engaging jut engaging of the second end in butt jut, thereby under the state that this torsion spring is reversed, rotatable parts are disposed to initial position.And, thus, can make this assembly operation become easy.
Yet, in order can easily to assemble as described above, need to carry out high-precision qualitative control to above-mentioned torsion spring.That is,, in the situation of torsion spring in non-twisting states, if the circumferential position of above-mentioned the second end and butt jut Bu ー cause,, for the engaging jut of this second end of engaging, also cannot make its circumferential position consistent with butt jut.As a result, have on one side, so that the mode that this second end does not depart from from engaging jut keeps, Yi Bian make engaging jut and the second end cross butt jut, to motor driving direction, circumferentially move.Thus, owing to there being the complicated problem of its assembly operation, from this point of view, also leave room for improvement.
Utility model content
The utility model completes in order to address the above problem a little, its objective is to provide to utilize simple formation, easily and reliably assembles the actuator devices of its rotatable parts and torsion spring.
Preferably, solve the actuator devices of above-mentioned problem, possess: rotatable parts, these rotatable parts are rotated to first direction by the driving of motor; Holding member, this holding member is provided with the turning cylinder of above-mentioned rotatable parts; And torsion spring, this torsion spring is held in above-mentioned holding member, to above-mentioned first direction, reversed and produce the active force that can make above-mentioned rotatable parts rotate to second direction, above-mentioned holding member possesses: at radially inner side, have the turning cylinder of above-mentioned rotatable parts and accommodate the spiral resettlement section of the spire of above-mentioned torsion spring; And with the engaging portion of the first end engaging of above-mentioned torsion spring, and above-mentioned rotatable parts possess the engaging jut with the second end engaging of above-mentioned torsion spring, peripheral part in above-mentioned spiral resettlement section is provided with butt jut, this butt jut can with by the rotation of above-mentioned rotatable parts, at the radial outside of above-mentioned spire, carry out circumferentially mobile above-mentioned engaging jut butt, in above-mentioned actuator devices, above-mentioned butt jut possesses: restriction face, and this restriction face limits the circumferential movement of above-mentioned engaging jut in above-mentioned second direction; And inclined plane, the circumferential movement that the above-mentioned engaging jut of above-mentioned butt jut can the above-mentioned first direction of subtend be crossed on this inclined plane guides.
That is, utilize the driving of motor that rotatable parts are rotated to first direction, torsion spring is reversed thus.Thus, after the driving of motor stops, the active force of the torsion spring based on reversing to above-mentioned first direction, rotatable parts rotate to second direction.And now, at the circumferential mobile engaging teat of radial outside of spire and the restriction face butt of butt jut, engaging is in the above-mentioned jut that connects, above-mentioned rotatable parts return to initial position thus.
In addition, when assembling rotatable parts and torsion spring, engaging jut is moved to first direction to cross the mode of above-mentioned butt jut.And, by making engaging jut and the engaging of butt jut with end (the second end) engaging of above-mentioned torsion spring, torsion spring is applied to the state of torsion, rotatable parts are disposed to initial position.
According to above-mentioned formation, now, above-mentioned engaging jut is arranged at the inclined plane guiding of butt jut and can successfully crosses butt jut.Thus, at torsion spring in non-twisting states in the situation that, even if the circumferential position of the end position of torsion spring and butt jut is inconsistent, when also can easily apply the torsion of first direction to torsion spring, make engaging jut and the engaging of butt jut with the end engaging of this torsion spring, make rotatable parts be disposed at initial position.In addition, meanwhile, when above-mentioned engaging jut is crossed butt jut, the end that can suppress torsion spring departs from from engaging jut.As a result, can form by simple, easily and reliably assemble above-mentioned rotatable parts and torsion spring.And, because the desired precision of qualitative control of torsion spring is relaxed, can realize the minimizing of manufacturing cost.
Preferably, solve in the actuator devices of above-mentioned problem, above-mentioned torsion spring is configured to: in non-twisting states in the situation that, above-mentioned the second end is disposed at the position by above-mentioned second direction side than above-mentioned butt jut, and the rotation by above-mentioned rotatable parts to above-mentioned first direction, above-mentioned the second end with from carrying out circumferentially mobile above-mentioned engaging jut engaging by the position of above-mentioned second direction side to above-mentioned first direction than above-mentioned the second end.
According to above-mentioned formation, need not carry out accurate contraposition just can be easily by the end of torsion spring (the second end) and the engaging of engaging jut.In addition, in a series of action, by the engaging jut of the end engaging with above-mentioned torsion spring and the engaging of butt jut, rotatable parts can be disposed to initial position.As a result, can make the assembly operation of above-mentioned rotatable parts and torsion spring become more easy.
Preferably, solve in the actuator devices of above-mentioned problem, above-mentioned the second end has to the hook shape of above-mentioned second direction bending.
According to above-mentioned formation, can be more reliably by the end of torsion spring (the second end) and the engaging of above-mentioned engaging jut.
Preferably, solve in the actuator devices of above-mentioned problem, the first direction end of above-mentioned engaging jut has the taper shape corresponding with the hook shape of above-mentioned the second end.
By formation as described above, can make more reliably the end (the second end) and the engaging of above-mentioned engaging jut of torsion spring.
Preferably, solve in the actuator devices of above-mentioned problem, above-mentioned butt jut is configured to: the driving at above-mentioned rotatable parts based on said motor, the active force of resisting above-mentioned torsion spring rotates to above-mentioned first direction, and make in the situation of above-mentioned engaging jut and above-mentioned inclined plane butt, can limit the circumferential movement of above-mentioned engaging jut on above-mentioned first direction of having crossed above-mentioned butt jut.
The active force of the second direction that torsion spring produces, along with the degree of rotation of rotatable parts to first direction increases and correspondingly increase.Thus, under the state that causes motor torsional moment to weaken by the active force by torsion spring, make the engaging jut of rotatable parts cannot cross butt jut, can make the stop performance function of the rotation of the first direction that this butt jut produces as the driving that can limit by motor.
Preferably, solve in the actuator devices of above-mentioned problem, above-mentioned rotatable parts are the cam body with cam surface, and above-mentioned engaging jut is formed at the rear side of above-mentioned cam surface, possess rod unit, this rod unit has with the abutting part of above-mentioned cam surface butt and is supported to and can rotates.
Preferably, solve in the actuator devices of above-mentioned problem, above-mentioned rod unit is for as lower member: press by engage to limit the second lock assembly of the rotation of this first lock assembly with the first lock assembly, thereby make the releasing that engages of this second lock assembly and above-mentioned the first lock assembly.
According to the utility model, can utilize simple formation, easily and reliably assemble above-mentioned rotatable parts and torsion spring.
Accompanying drawing explanation
Fig. 1 is the top view of actuator devices.
Fig. 2 is the top view (state of unassembled the second holding member) of actuator devices.
Fig. 3 is the exploded perspective view of actuator devices.
Fig. 4 is near the stereogram (initial position) torsion spring.
Fig. 5 is near the stereogram (before the second end engaging) torsion spring.
Fig. 6 is near the stereogram (the second end engaging) torsion spring.
Fig. 7 is near the stereogram (crossing before butt jut) torsion spring.
Fig. 8 is near the stereogram (inclined plane butt) torsion spring
Fig. 9 is near the stereogram (crossing butt jut) torsion spring.
Figure 10 is near enlarged drawing butt jut.
Figure 11 (a), Figure 11 (b) are as the worm gear of cam body and the action specification figure of rod unit.
Figure 12 (a), Figure 12 (b) are the action specification figure of actuator devices and latch mechanism.
Reference numeral
1 ... actuator devices, 2 ... housing, 3 ... motor, 5 ... the first holding member, 8 ... worm screw, 10 ... worm gear (rotatable parts and cam body), 12 ... turning cylinder, 14 ... cam surface, 20 ... torsion spring, 20a ... first end, 20b ... the second end, 20c ... spire, 21 ... spiral resettlement section, 23 ... engaging portion, 24 ... surrounding wall portion (peripheral part), 25 ... engaging jut, 25a ... first direction end, 30 ... butt jut, 31 ... restriction face, PO ... initial position, 32 ... inclined plane, 33 ... cam surface, 33a ... cam mountain, 35 ... rod unit, 35a ... abutting part, 36 ... the first bar portion, 36a ... front end (efferent), 38 ... the 3rd bar portion (abutting part), 40 ... efferent, 41 ... latch mechanism, 42 ... striker, 43 ... slot part, 44 ... breech lock (the first lock assembly), 45 ... ratchet (the second lock assembly).
The specific embodiment
Below, with reference to the accompanying drawings actuator devices embodiment is described.As shown in FIG. 1 to 3, the actuator devices 1 of present embodiment possesses the housing 2 that is roughly flat box-shaped.And, as motor 3 and the reducer 4 of drive source, be accommodated in this housing 2.
Specifically the second holding member 6 that, the housing 2 of present embodiment has the first holding member 5 of peristome 5a by assembling and seals the peristome 5a of this first holding member 5 forms.
In the present embodiment, at the first holding member 5, form motor maintaining part 7.And motor 3 is by being held in this motor maintaining part 7, and with the opening direction of its motor drive shaft 3a and the first holding member 5 direction of paper quadrature (in the Fig. 2 with) roughly the mode of quadrature be contained in housing 2.
In addition, the reducer 4 of present embodiment forms by the worm screw 8 with the rotation of motor drive shaft 3a one with the worm gear 10 of these worm screw 8 engagements.That is, in the present embodiment, reducer 4 adopts known worm screw & worm gear.And the first holding member 5 is provided with accommodates the worm gear resettlement section 11 for rotating by above-mentioned worm gear 10.
Particularly, the worm gear resettlement section 11 of present embodiment forms the general cylindrical shape consistent with the first holding member 5 opening directions.In addition, the central portion in this worm gear resettlement section 11 is provided with the turning cylinder 12 extending along its opening direction.And worm gear 10 is to be contained in worm gear resettlement section 11 by the state of these turning cylinder 12 supportings.
In addition, as shown in Figure 3 and 4, the actuator devices 1 of present embodiment possesses torsion spring 20, and this torsion spring 20 is by producing the active force that can make this worm gear 10 rotate to anti-motor driving direction being driven the worm gear 10 that rotates to be reversed by said motor.
That is, in the actuator devices 1 of present embodiment, the driving force as the worm gear 10 of rotatable parts based on motor 3 and one-directional rotation.In addition, using in the situation of this motor driving direction as " first direction (clockwise direction in Fig. 4) ", torsion spring 20 is made worm gear 10 to the active force rotating as " second direction (counter clockwise direction in Fig. 4) " of above-mentioned anti-motor driving direction by reversing to produce to this first direction.And the actuator devices 1 of present embodiment is configured to the active force based on above-mentioned torsion spring 20 and makes the worm gear 10 being rotated by the driving of said motor return to initial position PO.
Specifically, the first holding member 5 of present embodiment has spiral resettlement section 21, and its base end side at the turning cylinder 12 of the above-mentioned central part that is arranged at like that worm gear resettlement section 11 is accommodated the spire 20c of torsion spring 20.In the present embodiment, this spiral resettlement section 21 has the groove shape that the turning cylinder of above-mentioned worm gear 10 12 is surrounded as to concentric circles.That is, torsion spring 20 is with respect to being installed on the first holding member 5 to insert the mode of its spire 20c from axis direction in the spiral resettlement section 21 of the roughly annular groove shape of opening in the same direction with worm gear resettlement section 11.The state that torsion spring 20 is disposed at the radially inner side of its spire 20c with the turning cylinder 12 of worm gear 10 is thus held in the first holding member 5.
In addition, as shown in Figure 4, the first holding member 5 of present embodiment possesses the engaging portion 23 with the first end 20a engaging of torsion spring 20.Particularly, in the surrounding wall portion 24 that forms the circumference of above-mentioned spiral resettlement section 21, formation and above-mentioned spiral resettlement section 21 be the otch 23a of the slit-shaped of (upside in Fig. 4) opening in the same direction.That is, for torsion spring 20, at described spire 20c, be inserted into spiral resettlement section 21 when interior, first end 20a is inserted in above-mentioned otch 23a.And, in the present embodiment, be configured to thus described otch 23a as engaging portion 23 performance functions.
On the other hand, as shown in Figure 3 and 4, the worm gear 10 of present embodiment is supported on the turning cylinder 12 that is arranged at worm gear resettlement section 11, thereby is disposed at the torsion spring 20 opposed position on its axis direction with the base end side that is held in this turning cylinder 12 (downside in Fig. 4).And, worm gear 10 with the opposed opposed faces of torsion spring 20, be provided with the engaging jut 25 with the second end 20b engaging of this torsion spring 20.
In the present embodiment, above-mentioned engaging jut 25 is formed at and above-mentioned such opposed radial position of surrounding wall portion 24 (peripheral part of worm gear 10) that forms the circumference of spiral resettlement section 21.In addition, in surrounding wall portion 24, form towards the side-prominent butt jut 30 of worm gear 10.That is, engaging jut 25 circumferentially moves at the radial outside that is contained in the spire 20c of above-mentioned spiral resettlement section 21 by the rotation of worm gear 10.And, butt jut 30 be arranged at can with the position of engaging jut 25 butts of above-mentioned circumferential movement.
More specifically, as shown in Figure 4, the butt jut 30 of present embodiment possesses the restriction face 31 that limits the circumferential movement of engaging jut 25 in this second direction by engaging jut 25 butts with circumferentially moving to above-mentioned second direction.In the present embodiment, stipulate thus the initial position PO of the worm gear 10 of the above-mentioned rotatable parts of formation.
That is,, in the actuator devices 1 of present embodiment, worm gear 10 is disposed at the position of restriction face 31 butts of its engaging jut 25 and butt jut 30 when non-motor drives.And engaging jut 25 rotates worm gear 10 and is circumferentially moved towards first direction along the surrounding wall portion 24 that is formed at the circumference of above-mentioned spiral resettlement section 21 by the driving by motor.
In addition, now, torsion spring 20 is by being reversed and produced the active force that can make this worm gear 10 rotate towards second direction at worm gear 10.In addition, the mode elastic deformation that the torsion spring 20 of present embodiment is taken up with its spire 20c by being applied in the torsion of first direction as described above.And, motor drives stop after, the active force based on this torsion spring 20, worm gear 10 returns to initial position PO.
Wherein, in the present embodiment, torsion spring 20, being assembled under the state of above-mentioned the first holding member 5, is applied in the torsion of first direction in advance.That is, at initial position PO, the active force that engaging teat 25 produces based on above-mentioned torsion spring 20 and become the state of the restriction face 31 that is pressed against butt jut 30.Thus, in the present embodiment, be configured to the structure that above-mentioned worm gear 10 returns to initial position PO reliably.
Specifically, as shown in Fig. 5 and Fig. 6, the torsion spring 20 of present embodiment is configured to, and during to the first holding member 5 assembling, in non-twisting states in the situation that, above-mentioned the second end 20b is configured in the position by second direction side than butt jut 30.In addition, the engaging jut 25 of worm gear 10 is disposed at the position by second direction side than the second end 20b.Thus, in the present embodiment, the rotation by worm gear 10 to first direction, the second end 20b of torsion spring 20 with from than above-mentioned the second end 20b by the position of second direction side to circumferentially mobile engaging jut 25 engagings of first direction.
Particularly, the second end 20b of torsion spring 20 has the hook shape (roughly J font) to second direction lateral bend.In addition, the first direction end 25a of engaging jut 25 has the taper shape corresponding with the hook shape of above-mentioned the second end 20b (section is semicircular shape).Thus, in the present embodiment, the second end 20b that is configured to torsion spring 20 reliably with the structure of above-mentioned engaging jut 25 engagings.
In addition, as shown in Fig. 7～Fig. 9, in the present embodiment, by worm gear 10, from this state, further to first direction, rotate, above-mentioned engaging jut 25 is crossed integratedly butt jut 3 and circumferentially moves to first direction with the second end 20b.Thus, as shown in Figure 4, the active force of the second direction that worm gear 10 produces based on torsion spring 20, and be disposed at the initial position PO of above-mentioned engaging jut 25 and restriction face 31 butts of butt jut 30.
More specifically, as shown in Fig. 8 and Figure 10, the butt jut 30 of present embodiment possesses inclined plane 32, this inclined plane 32 by with circumferential mobile engaging jut 25 butts and circumferential movement from the engaging jut 25 of butt jut 30 to above-mentioned first direction that can cross guides of first direction.
Particularly, this inclined plane 32 is configured to the engaging jut 25 with these inclined plane 32 butts is pressed to (above pushing away) to the axis direction front of above-mentioned turning cylinder 12 (in each figure, upside).Thus, engaging jut 25 moves to first direction in the mode of sliding on above-mentioned inclined plane 32.Thus, in the present embodiment, can make above-mentioned assembly operation become easy by making engaging jut successfully cross butt jut 30.
In addition, as shown in FIG. 2 and 3, the worm gear 10 for present embodiment, the face that is arranged in peristome 5a side (Fig. 2 and paper orthogonal direction front side) of above-mentioned the first holding member 5 is to have the cam surface 33 of spiral helicine cam mountain 33a.In addition, on the first holding member 5, be provided with the bolster parallel with the turning cylinder 12 of above-mentioned worm gear 10 34.And the actuator 1 of present embodiment possesses abutting part 35a and the rod unit 35 of support shaft 34 supportings for rotating having with above-mentioned cam surface 33 butts.
Shown in Figure 11 (a), Figure 11 (b), this rod unit 35 has across the bolster 34 as above-mentioned center of rotation and the first bar portion 36 and the second bar portion 37 of extending round about.In addition, this rod unit 35 have take as the bolster 34 of center of rotation be cardinal extremity along and the 3rd bar portion 38 that roughly direction of quadrature is extended of the first bar portion 36.And in the present embodiment, the end portion of the 3rd bar portion 38 is the abutting part 35a with cam surface 33 butts of above-mentioned worm gear 10.
Specifically, the rod unit 35 of present embodiment is configured to, and by the force application part application of force by not shown, its abutting part 35a is from the cam mountain 33a butt of radial outside and above-mentioned cam surface 33.In addition, cam surface 33 is configured to, and spiral-shaped based on its cam mountain 33a moves radially on cam surface 33 with the abutting part 35a of the rod unit 35 of this cam mountain 33a butt.The rod unit 35 of present embodiment is configured to the structure of rotating based on being defined in the cam contour of its cam surface 33 thus.
Particularly, in the present embodiment, as the worm gear 10 of cam body, be configured to, by the rotation to first direction, move to radial outside with the abutting part 35a of the rod unit 35 of above-mentioned cam surface 33 butts.Thus, the rod unit 35 of present embodiment is configured to the structure of rotating to clockwise direction in Figure 11.
On the other hand, the rotation by worm gear 10 to second direction, above-mentioned abutting part 35a moves to radially inner side.Thus, the rod unit 35 of present embodiment is configured in Figure 11 to the structure of counterclockwise rotating.
Specifically, as shown in Figure 1 and Figure 2, the actuator 1 of present embodiment is configured to, and a part for above-mentioned rod unit 35 is disposed at the outside of housing 2.Particularly, housing 2 for present embodiment, as shown in Figure 1, under above-mentioned the first holding member 5 and the assembled state of the second holding member 6, at the lateral parts being positioned at the position of the direction of the Axis Cross of above-mentioned bolster 34, there is peristome 39.Rod unit 35 is configured to, and the front end 36a of above-mentioned the first bar portion 36 is disposed at the outside of housing 2 via above-mentioned peristome 39.
As shown in Figure 12 (a), Figure 12 (b), the actuator devices 1 of present embodiment, using rod unit 35, specifically its front end 36a to the outside of housing 2, the first outstanding bar portion 36 drives latch mechanism 41 as efferent 40.
Particularly, this latch mechanism 41 possesses: breech lock 44, and it has the slot part 43 engaging with striker (striker) 42 and is set to rotate at side face; And ratchet 45, it is by engaging to limit the rotation of this breech lock 44 with above-mentioned breech lock 44, keep and striker 42 between fastening state.And, the 45a of bar portion that ratchet 45 is pressed by the first bar portion 36 that actuator devices 1 utilization forms the rod unit 35 of above-mentioned efferent 40 rotates this ratchet 45, can remove thus the fastening state with ratchet 45 as the second lock assembly as the breech lock 44 of the first lock assembly.
Next, the effect of above-mentioned such actuator devices forming 1 is described.
That is, utilize the driving of motor that worm gear 10 is rotated to first direction, rod unit 35 rotates (with reference to Figure 11 (b), the clockwise direction of Figure 11 (b)) linkedly with above-mentioned worm gear 10 thus.Now, the actuator devices 1 of present embodiment, from the first outstanding bar portion 36 of above-mentioned housing 2 (front end 36a), press the 45a of bar portion of ratchet 45, make ratchet 45 rotate (with reference to Figure 12 (b), the counter clockwise direction of Figure 12 (b)) to above-mentioned engaging protrusion portion 46 direction separated with breech lock 44.Thus, the fastening state of breech lock 44 and ratchet 45 is disengaged, and the rotation of breech lock 44 is allowed to, and striker 42 can depart from from above-mentioned slot part 43, and latch mechanism 41 is converted to released state thus.
In addition, after the driving of motor stops, the active force based on torsion spring 20, worm gear 10 rotates to second direction.Thus, worm gear 10 returns to initial position PO, also returns to above-mentioned the first bar portion 36 can press the position of the 45a of bar portion of ratchet 45 (with reference to Figure 11 (a) and Figure 12 (a)) with the rod unit 35 of these worm gear 10 interlocks.
According to above-mentioned present embodiment, can obtain following effect.
(1) for torsion spring 20, its first end 20a be arranged at engaging portion 23 engagings of the first holding member 5, its second end 20b be arranged at engaging jut 25 engagings as the worm gear 10 of rotatable parts.In addition, in the peripheral part (surrounding wall portion 24) of spiral resettlement section 21 of accommodating the spire 20 of above-mentioned torsion spring 20, setting can be with rotation by worm gear 10 and at the circumferential butt jut 30 of mobile engaging jut 25 butts of the radial outside of spire 20.And butt jut 30 possesses: restriction engaging jut 25 in second direction circumferential movement restriction face 31 and can subtend first direction cross the inclined plane 32 that the circumferential movement of the engaging jut 25 of butt jut 30 guides.
That is, utilize the driving of motor that worm gear 10 is rotated to first direction, torsion spring 20 is reversed thus.Thus, after the driving of motor stops, the active force of the torsion spring 20 based on reversing to above-mentioned first direction, worm gear 10 rotates to second direction.Now, at circumferential restriction face 31 butts of mobile engaging jut 25 and butt jut 30 of the radial outside of spire 20, and engaging is in the above-mentioned jut 30 that connects, and worm gear 10 returns to initial position PO thus.
In addition, when assembling worm gear 10 and torsion spring 20, engaging jut 25 is moved to first direction to cross the form of above-mentioned butt jut 30.And, by making the engaging jut 25 and 30 engagings of butt jut with above-mentioned the second end 20b engaging, torsion spring 20 is applied to the state of torsion, worm gear 10 is disposed to initial position PO.
According to above-mentioned formation, now, above-mentioned engaging jut 25 can successfully be crossed butt jut 30 by being arranged at inclined plane 32 guiding of butt jut 30.Thus, at torsion spring 20 in non-twisting states in the situation that, even if the circumferential position of the second end 20b and butt jut 30 are inconsistent, when also can easily apply the torsion of first direction to torsion spring 20, make engaging jut 25 and 30 engagings of butt jut with above-mentioned the second end 20b engaging, make worm gear 10 be disposed at initial position PO.In addition, meanwhile, when above-mentioned engaging jut 25 is crossed butt jut 30, can suppress the disengaging with the second end 20b of above-mentioned engaging jut 25 engagings.As a result, can form by simple, easily and reliably assemble above-mentioned worm gear 10 and torsion spring 20.And, because the desired precision of qualitative control of above-mentioned torsion spring 20 is relaxed, thereby can realize the minimizing of manufacturing cost.
(2), during to the first holding member 5 assembling, in the situation of torsion spring 20 in non-twisting states, above-mentioned the second end 20b is disposed at the position by second direction side than butt jut 30.In addition, the engaging jut 25 of worm gear 10 is disposed at the position by second direction side than the second end 20b.And torsion spring 20 is configured to the rotation to first direction by worm gear 10, the second end 20b with from than above-mentioned the second end 20b by the position of second direction side to circumferentially mobile engaging jut 25 engagings of first direction.
According to above-mentioned formation, need not carry out accurate contraposition, just can be easily by the second end 20b of torsion spring 20 and 25 engagings of engaging jut.In addition, in above-mentioned a series of action, by the engaging jut of the second end 20b engaging with torsion spring 20 25 and 30 engagings of butt jut, worm gear 10 can be disposed to initial position PO.As a result, can further make the assembly operation of above-mentioned worm gear 10 and torsion spring 20 become easy.
(3) the second end 20b of torsion spring 20 has to the hook shape of second direction bending.And the first direction end 25a of engaging jut 25 has the taper shape corresponding with the hook shape of this second end 20b.
According to above-mentioned formation, can be more reliably by the second end 20b of torsion spring 20 and above-mentioned engaging jut 25 engagings.
In addition, above-mentioned embodiment can carry out following change.
In above-mentioned embodiment, the rotatable parts that the worm gear 10 of reducer (worm screw & worm gear) 4 of usining rotates to second direction as the active force based on torsion spring 20, but these rotatable parts can at random change.For example, can using the cam body of independent setting for reducing gear and output block as cam body.
In the above-described embodiment, actuator devices 1 is usingd the rod unit 35 that rotates linkedly with worm gear 10 as cam body (the first bar portion 36) and is driven latch mechanism 41 as efferent 40.But, being not limited to this, above-mentioned driven object can at random change.And for the situation that drives latch mechanism 41, the formation of above-mentioned latch mechanism 41 and type of drive can be for arbitrarily.
In above-mentioned embodiment, housing 2 is by assembling the first holding member 5 and the second holding member 6 forms.And, as worm gear 10 and the torsion spring 21 of rotatable parts, by being held in above-mentioned the first holding member 5, be contained in housing 2.But, being not limited to this, the formation of above-mentioned holding member can at random change.For example, above-mentioned rotatable parts and torsion spring 20 etc. can be the formations of exposing to outside.In addition, housing 2 can be also by 1 or 3 structures that above holding member forms.And rotatable parts and torsion spring can be held in holding member arbitrarily.
In the above-described embodiment, spiral resettlement section 21 forms annular groove shape, but its shape can at random change.For example, can be also cylindric.And, can be also in the position of the radial outside of above-mentioned spire 20, not there is the formation of surrounding wall portion 24.
In addition, can be the formation that engaging jut 25 slides in surrounding wall portion 24.Thus, can guarantee circumferentially moving smoothly of engaging jut 25.In addition, can stably remain in the second end 20b of the torsion spring 20 of non-twisting states during assembling.And, thus, can be more reliably by the second end 20b with from than above-mentioned the second end 20b by the position of second direction side to circumferentially mobile engaging jut 25 engagings of first direction.
In the above-described embodiment, the second end 20b of torsion spring 20 has the hook shape (roughly J font) to second direction bending, and the first direction end 25a of engaging jut 25 has the taper shape corresponding with the hook shape of above-mentioned the second end 20b (section is semicircular type).But, being not limited to this, above-mentioned shape can at random change.
In the above-described embodiment, the mode elastic deformation that torsion spring 20 is taken up with its spire 20c by being applied in the torsion of first direction, but can be also by the direction elastic deformation to expansion, to produce the formation of the active force of above-mentioned second direction.
In addition, as long as there is restriction face 31 and inclined plane 32, can change the shape of butt jut 30.For example, can be by adjusting the angle of slope etc. on inclined plane 32, driving based on motor, worm gear 10 is resisted the active force of torsion springs 20 and is rotated to first direction, thus, in the situation of engaging jut 25 and inclined plane 32 butts, can limit the formation of the circumferential movement in a first direction of engaging jut 25 of crossing above-mentioned butt jut 30.
That is, the active force of the second direction that torsion spring 20 produces, along with worm gear 10 increases to the increase of the degree of rotation of first direction.Thus, set above-mentioned inclined plane 32 (angle of slope), make to cause motor torsional moment to weaken under state at the active force because of torsion spring 20, the engaging jut 25 of worm gear 10 cannot be crossed butt jut 30.Thus, by restriction engaging jut 25 circumferential movement in a first direction, the stop performance function of the rotation of the first direction that can cause because of the driving of said motor as restriction.
Next, technological thought and the effect that can hold from above embodiment will be recorded.
(a) actuator devices is characterised in that, the first direction end of described engaging jut has the taper shape corresponding with the hook shape of above-mentioned the second end.By formation as described above, can be more reliably by the end of torsion spring (the second end) and the engaging of above-mentioned engaging jut.
(b) actuator devices is characterised in that, above-mentioned butt jut is configured to, the active force that above-mentioned rotatable parts are resisted above-mentioned torsion spring because of the driving of said motor rotates thus in the situation with above-mentioned inclined plane butt to above-mentioned first direction, can limit the circumferential movement of above-mentioned engaging jut on above-mentioned first direction of crossing above-mentioned butt jut.
That is, the active force of the second direction that torsion spring produces, along with the degree of rotation of rotatable parts to first direction increases and correspondingly increase.And, thus, under the state that causes motor torsional moment to weaken because of the active force of torsion spring, make the engaging jut of rotatable parts cannot cross butt jut, can make the stop performance function of the rotation of the first direction that this butt jut produces as limiting the driving of Yin Mada.
(c) brake gear is characterised in that, above-mentioned rotatable parts are the cam bodies with cam surface, above-mentioned engaging jut is the parts that are formed at the rear side of above-mentioned cam surface, and possesses rod unit, and this rod unit has with the abutting part of above-mentioned cam surface butt and is supported to and can rotates.
(d) brake gear is characterised in that, above-mentioned rod unit is to press by engage to limit the second lock assembly of the rotation of this first lock assembly with the first lock assembly, thus the structure that the engaging of this second lock assembly and above-mentioned the first lock assembly is removed.
Claims (7)
1. an actuator devices,
Possess:
Rotatable parts, these rotatable parts are rotated to first direction by the driving of motor;
Holding member, this holding member is provided with the turning cylinder of above-mentioned rotatable parts; And
Torsion spring, this torsion spring is held in above-mentioned holding member, and to above-mentioned first direction, reversed and produced the active force that can make above-mentioned rotatable parts rotate to second direction,
Above-mentioned holding member possesses: at radially inner side, have the turning cylinder of above-mentioned rotatable parts and accommodate the spiral resettlement section of the spire of above-mentioned torsion spring; And with the engaging portion of the first end engaging of above-mentioned torsion spring, and
Above-mentioned rotatable parts possess the engaging jut with the second end engaging of above-mentioned torsion spring,
Peripheral part in above-mentioned spiral resettlement section is provided with butt jut, this butt jut can with by the rotation of above-mentioned rotatable parts, at the radial outside of above-mentioned spire, carry out circumferentially mobile above-mentioned engaging jut butt,
Above-mentioned actuator devices is characterised in that,
Above-mentioned butt jut possesses:
Restriction face, this restriction face limits the circumferential movement of above-mentioned engaging jut in above-mentioned second direction; And
Inclined plane, the circumferential movement that the above-mentioned engaging jut of above-mentioned butt jut can the above-mentioned first direction of subtend be crossed on this inclined plane guides.
2. actuator devices according to claim 1, is characterized in that,
Above-mentioned torsion spring is configured to, in non-twisting states in the situation that, above-mentioned the second end is disposed at the position by above-mentioned second direction side than above-mentioned butt jut, and the rotation by above-mentioned rotatable parts to above-mentioned first direction, above-mentioned the second end with from carrying out circumferentially mobile engaging jut engaging by the position of above-mentioned second direction side to above-mentioned first direction than above-mentioned the second end.
3. actuator devices according to claim 2, is characterized in that,
Above-mentioned the second end has to the hook shape of above-mentioned second direction bending.
4. actuator devices according to claim 3, is characterized in that,
The first direction end of above-mentioned engaging jut has the taper shape corresponding with the hook shape of above-mentioned the second end.
5. according to the actuator devices described in any one in claim 1～4, it is characterized in that,
Above-mentioned butt jut is configured to: the driving at above-mentioned rotatable parts based on said motor, the active force of resisting above-mentioned torsion spring rotates to above-mentioned first direction, and make in the situation of above-mentioned engaging jut and above-mentioned inclined plane butt, can limit the circumferential movement of above-mentioned engaging jut on above-mentioned first direction of having crossed above-mentioned butt jut.
6. actuator devices according to claim 1, is characterized in that,
Above-mentioned rotatable parts are the cam body with cam surface, and above-mentioned engaging jut is formed at the rear side of above-mentioned cam surface,
Possess rod unit, this rod unit has with the abutting part of above-mentioned cam surface butt and is supported to and can rotates.
7. actuator devices according to claim 6, is characterized in that,
Above-mentioned rod unit is for as lower member: press by engage to limit the second lock assembly of the rotation of this first lock assembly with the first lock assembly, thereby make the releasing that engages of this second lock assembly and above-mentioned the first lock assembly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-159594 | 2013-07-31 | ||
| JP2013159594A JP6232809B2 (en) | 2013-07-31 | 2013-07-31 | Actuator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002147U true CN204002147U (en) | 2014-12-10 |
Family
ID=52042168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420425257.7U Expired - Fee Related CN204002147U (en) | 2013-07-31 | 2014-07-30 | Actuator devices |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6232809B2 (en) |
| CN (1) | CN204002147U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW202136481A (en) | 2020-02-13 | 2021-10-01 | 德商馬克專利公司 | Liquid crystal device |
| WO2022122780A1 (en) | 2020-12-11 | 2022-06-16 | Merck Patent Gmbh | Liquid crystal mixture and liquid crystal display |
| EP4012004A1 (en) | 2020-12-11 | 2022-06-15 | Merck Patent GmbH | Liquid crystal device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723489Y2 (en) * | 1990-05-31 | 1995-05-31 | 株式会社アルファ | Inside door handle for automobile |
| US6032760A (en) * | 1997-08-05 | 2000-03-07 | Atoma International, Inc. | Bi-directional spring holder assembly for an actuator |
| JP5327266B2 (en) * | 2011-04-08 | 2013-10-30 | アイシン精機株式会社 | Actuator |
-
2013
- 2013-07-31 JP JP2013159594A patent/JP6232809B2/en not_active Expired - Fee Related
-
2014
- 2014-07-30 CN CN201420425257.7U patent/CN204002147U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015031009A (en) | 2015-02-16 |
| JP6232809B2 (en) | 2017-11-22 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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