CN1215249C - Taking-up head opening apparatus - Google Patents
Taking-up head opening apparatus Download PDFInfo
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- CN1215249C CN1215249C CN 02118356 CN02118356A CN1215249C CN 1215249 C CN1215249 C CN 1215249C CN 02118356 CN02118356 CN 02118356 CN 02118356 A CN02118356 A CN 02118356A CN 1215249 C CN1215249 C CN 1215249C
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Abstract
To simply realize stable operability by preventing an opening/closing member from unexpectedly dropping or rising at the manual lowering operation of an operating means.In a reduction mechanism, a sun gear (14) is meshed with a planetary gear (15), and an internal gear (16) is internally meshed with the planetary gear. The tip section (3a) of a drive rotary shaft (3) is protruded from one end section of the internal gear, and a carrier (20) is inserted into the carrier receiving section (22) of a coil holder (26). The tip section (21a) of an output shaft (21) is protruded from one end section of the coil holder, and a rotor (29) is rotatably arranged on the outside of the internal gear and the carrier receiving section of the coil holder. A pressure connection ring(30), which is arranged on the drive rotary shaft and has elasticity by being corrugated in the surface/ back direction when coupling sections (27) and (28) are coupled with both end sections of the internal gear and the carrier receiving section of the coil holder, is pressurized between the sun gear and the internal gear.
Description
Technical field
Invention among the application relates to taking-up head opening apparatus.Specifically, open and close parts when the application's invention relates to manual pulling operation device and can unexpectedly not descend or rise, can realize the taking-up head opening apparatus of stable operating characteristics easily.
Background technology
Known as shutter, hide the takeup type opening and closing device of positive plate, dividing plate etc., realize the coiling of switching parts such as screen window, slat bar on can the spool pipe of positive and negative rotation and pull out.Plain edition takeup type opening and closing device is the hand gear of operating by operating parts such as downwards-pulling rope, chains.
In this taking-up head opening apparatus, axis of rotation stretches out from having fixed the two ends, the left and right sides that open and close the spool pipe of an end of parts, this axis of rotation is rotatably supported on the pair of right and left support, the axis of rotation of one end can carry out positive and negative rotation by being arranged on a drive unit on the support as driving axis of rotation.The axis of rotation of the other end is generally as driven axis of rotation.
Above-mentioned drive unit has the operating means of the positive and negative rotation of manual operation spool pipe and carries out positive and negative rotation, transfers a torque to the torque transmitter on the above-mentioned driving axis of rotation by the operation of manual pulling operation device.This torque transmitter is connected with the top that drives axis of rotation.Operating means by aforementioned rope, chain have bendability like that, the vertical sagging parts that form the loop shape make.
In addition, in taking-up head opening apparatus, in described driving rotation shaft side, deceleration device is built in the spool pipe, drives axis of rotation and links to each other with the input side of deceleration device.At the outlet side of deceleration device, be connected with the parts that are connected spool pipe inside by setting-in etc.
So, in this taking-up head opening apparatus, by manual pulling operation device, the rotation of the driving axis of rotation that rotates through torque transmitter is suitably slowed down in deceleration device, on the contrary, be connected parts on the spool pipe with than by the big moment of torsion rotation of moment of torsion that operating means was applied and transmit this moment of torsion,, thereby open and close the coiling of parts and pull out so that the spool pipe is according to the positive and negative rotation of manual pulling operation of operating means.
And, in taking-up head opening apparatus, balancing load moment of torsion when making manual pulling operation device sometimes, and built-in helical spring in the spool pipe such as the corresponding kind that opens and closes parts, width, weight etc. and corresponding spool external diameter of pipe, length.In taking-up head opening apparatus, by the length of pulling out of winding unit, the coiling amount that promptly is wound on the switching parts in the spool pipe can change the required moment of spool pipe rotation.It is reflected in the lower pulling force that drops in the manual pulling operation of operating means.Therefore, for the balance that obtains load moment just cannot in addition, fall in order to prevent the accident that opens and closes parts manually applying excessive load in the pulling operation, helical spring that then should built-in balancing load moment is used in the spool pipe.
But, in taking-up head opening apparatus, pull out the variation of length along with opening and closing parts, the required moment of torsion of spool pipe rotation also changes, it prevents the necessary moment of torsion of spool pipe reverse rotation with influence, therefore, even be built-in with the helical spring that the balancing load moment of torsion is used, the switching parts are stablized rested on desirable position, yet need to adopt various measures.
Summary of the invention
Therefore, the application's goal of the invention provides a kind of taking-up head opening apparatus, and this device can make to open and close parts and can accident do not fall or raise when manual pulling operation device, and can the stable operating characteristics of easy realization.
In order to solve above-mentioned problem, invention among the application provides a kind of taking-up head opening apparatus (first aspect present invention), in the described taking-up head opening apparatus, axis of rotation stretches out from the two ends, the left and right sides of the spool pipe of having fixed switching parts one end that can reel, an axis of rotation is for driving axis of rotation, another root is driven axis of rotation, these two axis of rotation are rotatably supported on the pair of right and left support, drive in the support of axis of rotation in supporting, be provided with the drive unit that makes the positive and negative rotation of described driving axis of rotation, this drive unit comprises having bendability and be the vertical sagging operating means of loop shape, with carry out positive and negative rotation by the manual operation of drop-down this operating means, transfer a torque to the torque transmission that drives axis of rotation, the top of described driving axis of rotation is connected with the torque transmission of drive unit, simultaneously, be arranged on the input side of the deceleration device that is built in described spool Guan Yiduan, outlet side at deceleration device is connected with and the inner axle bush that links to each other of spool pipe, by manual drop-down described operating means, the driving axis of rotation that rotates by torque transmission is decelerated at deceleration device, the axle bush rotation, the moment of torsion of described axle bush is passed on the spool pipe, the positive and negative rotation of spool pipe along with the operation of manual pulling operation device, open and close the coiling of parts and pull out, it is characterized in that: described deceleration device is provided with described driving axis of rotation is fixed on central gear on the center of rotation; With described central gear planet gear meshed; With with planetary gear in engagement, be formed with and can make the through hole that the top that drives axis of rotation stretches out and be fixed on internal gear on the support, simultaneously, deceleration device also is provided with: bearing, described bearing ground free to rotate planetary gear bearing also links to each other with central gear, and on the end face of the connection side of planetary supporting and central gear and opposite end face, fixed output shaft with described driving rotating shaft coaxle; The helical spring maintaining part, described helical spring keeper one end has can make described bearing insert inner bearing support portion freely to rotate, and be formed with the through hole that the output shaft top is stretched out, form the engagement groove that can load and unload to the helical spring that is used for the balancing load moment of torsion at its external surface; And the tubular rotor that is installed in spool Guan Yiduan inboard, this rotor is set at the outside of the bearing support portion of described internal gear and helical spring maintaining part free to rotately, the one end have with internal gear in, drive the joint portion that the end combines that side is stretched out on the axis of rotation top, the other end has the joint portion that keeps being positioned in the end end combination of the described bearing support portion that combines slot part one side with helical spring; And, deceleration device also is provided with crimp rings, this crimp rings rises and falls by the fluctuation along inward-outward direction and has elasticity, and be set on the described driving axis of rotation between central gear and the internal gear, central gear and planetary gear intermesh, engagement in internal gear and the planetary gear, stretch out from an end of internal gear on the top of driving axis of rotation, bearing inserts the inside of the bearing support portion of helical spring keeper, under the state that stretches out from helical spring maintaining part one end on the output shaft top, rotor is arranged on the bearing support portion outside of internal gear and helical spring keeper, when an end of the bearing support portion of end of joint portion and internal gear and helical spring keeper combines, described crimp rings is crimped between central gear and the internal gear, the elastic force that this moment, crimp rings produced makes central gear and planetary gear, internal gear and planetary gear engagement or interior engagement, and internal gear and helical spring keeper are connected and fixed, simultaneously, when the positive and negative rotation of spool pipe, rotor in described two joint portions with internal gear and helical spring keeper slip joint, partly produce frictional force in this slip joint.
In addition, the application provides following form respectively: be provided with flexure strip on the output shaft top, described flexure strip be provided with laterally protrude in conjunction with lug boss (second aspect present invention); The helical spring keeper is fixed on the center of rotation of axle bush, and described helical spring keeper is formed with the engagement groove (third aspect present invention) that can mount and dismount the helical spring that the balancing load moment of torsion is used at external surface; The center of rotation of axle bush and with the opposition side of helical spring keeper, setting can be by inserting the inner insertion section that connects with the top of output shaft, in this insertion section, be provided with in conjunction with recess, this in conjunction with recess can with the flexure strip that is arranged on the output shaft top combine lug boss in conjunction with breaking away from (fourth aspect present invention); On described helical spring keeper, the reel axle of usefulness of helical spring is fixed on the center of rotation of axle bush, being provided with on the axle of an end opposite with the helical spring keeper can be by inserting the output shaft top the inner joint that connects, in this joint, be provided with in conjunction with recess, this can realize being arranged on the plug in conjunction with lug boss on the flexure strip on output shaft top in conjunction with recess, output shaft is connected with joint, the engagement groove that forms in the helical spring top that the balancing load moment of torsion is used and the helical spring keeper of helical spring keeper and axle bush combines, and makes helical spring be built in (fifth aspect present invention) in the spool pipe; Output shaft directly is connected with axle bush, the helical spring (sixth aspect present invention) that the built-in balancing load moment of torsion of spool Guan Zhongwei is used.
And in the application's above-mentioned taking-up head opening apparatus, support is provided with: rack body; The support that can make driven axis of rotation insert and support to central part from the side; But or built-in torque transmission, the support of fixed annulus when forming the through port of operating means, these supports all can rotate and fixing (seventh aspect present invention) with respect to rack body.In rack body, formed the opening that on same circumference, has a plurality of teeth, support is the cap shape, the side had the projection between the tooth that can be inlaid in described opening when one end had flange, formed described projection the support side and with the described flange of protruding corresponding position, can realize being formed at the radial elastic distortion of the opening in the rack body, support is inserted in the opening, flange is installed in the external surface of rack body and is installed on the rack body, by being fixed on the rack body between the tooth that projection is inlaid in opening, and can rotate (eighth aspect present invention) with respect to rack body by removing described setting-in.
Description of drawings
Fig. 1＜a〉＜b〉be respectively sectional drawing and the side view that an embodiment of taking-up head opening apparatus of the present invention represented in summary.
Fig. 2 is built in the sectional drawing of a kind of form at the main positions such as deceleration device in the spool pipe for expression.
Fig. 3 is built in the exploded perspective view of a kind of form at the main positions such as deceleration device in the spool pipe for expression.
Fig. 4 is provided with the front view of the support of drive unit for expression.
Fig. 5 is illustrated under the helical spring situation that the built-in balancing load moment of torsion of spool Guan Zhongwei uses the sectional drawing at the application's the main position of taking-up head opening apparatus.
Fig. 6 is the stereogram of the driven rotation shaft support of expression supporting.
The specific embodiment
Below, according to diagram the taking-up head opening apparatus of inventing among the application is described in detail.
Fig. 1＜a〉＜b〉be respectively summary constructed profile and the side view of an embodiment of the taking-up head opening apparatus invented among the application.
For example, as Fig. 1＜a〉＜b〉shown in, in the taking-up head opening apparatus of the application's invention, axis of rotation stretches out from the two ends, the left and right sides of spool pipe (2), longitudinally connects the end that the switching parts (1) of reeling that form are set by screen window or many slats and is fixed on the spool pipe (2).In described axis of rotation, one as Fig. 2 and driving axis of rotation (3) shown in Figure 3, and another root is as driven axis of rotation.As Fig. 1＜a〉＜b〉shown in, these two axis of rotation can be rotated to support on by on pair of right and left support (4), (5).
A support of supporting Fig. 2 and driving axis of rotation (3) shown in Figure 3, be Fig. 1＜a〉＜b shown in embodiment in the support (5) on right side, be provided with and make the drive unit (6) that drives the positive and negative rotation of axis of rotation (3).Shown in the front view of Fig. 4 medium-height trestle (5), this drive unit (6) comprises having bendability and be the vertical sagging operating means (7) of loop shape and carry out positive and negative rotation by the operation of manual pulling operation device (7), torque transfer is arrived the torque transmission (8) of Fig. 2 and driving axis of rotation (3) shown in Figure 3.The top (3a) that drives axis of rotation (3) is connected with the torque transmission (8) of above-mentioned drive unit (6).Connected mode is common plug-in type, and as shown in Figures 2 and 3, the top (3a) that drives axis of rotation (3) is square.Corresponding therewith, in drive unit (6), as shown in Figure 4, be formed with square aperture (9) on the surface of torque transmission (8).This square aperture (9) can only be a groove also.In addition, the shape of the top (3a) that drives axis of rotation (3) and opening (9) is not limited to square, so long as insertable shape can there is no particular determination.
As mentioned above, operating means (7) generally uses rope, chain.In addition, as shown in Figure 4, also can use will by a plurality of bands up and down the spheroid (10) made of the resin material of the similar beading of through hole be fixed on rope (11) at regular intervals and go up the device that forms.The concrete rotation mode of torque transmission (8) is also varied, for example, can adopt to make its outer peripheral face and local combination of operating means (7), realize rotation, or also can adopt by realizing variety of ways such as rotation with the local frictional force that forms that contacts of operating means (7) with this.
In addition, as Fig. 1＜a 〉, Fig. 2 and shown in Figure 3, in this application in Fa Ming the taking-up head opening apparatus, to drive the input side that axis of rotation (3) is arranged on the deceleration device (12) that is built in spool pipe (2) one ends, outlet side in deceleration device (12) is connected with by setting-in etc. and is connected the inner axle bush (13) of spool pipe (2).In a word, in the taking-up head opening apparatus of the present application, by drop-down aforesaid operations device (7), the rotation of the driving axis of rotation (3) that the torque transmission (8) by drive unit (6) rotates is suitably slowed down in deceleration device (12), in contrast, to make axle bush (13) rotation greater than the moment of torsion that is applied by operating means (7), the moment of torsion of axle bush (13) is passed to spool pipe (2), spool pipe (2) positive and negative rotation along with manual pulling operation device (7) operation opens and closes the coiling of parts (1) and pulls out.
As shown in Figures 2 and 3, specifically, deceleration device (12) is provided with the central gear (14) of having fixed driving axis of rotation (3) at center of rotation; With central gear planet gear meshed (15); Internal gear (16), described internal gear and planetary gear (15) engagement, and have the through hole that the top (3a) that drives axis of rotation (3) is stretched out from the one end, and as Fig. 1＜a＜b〉and shown in Figure 4 being fixed on the support (5).Indicated 4 planetary gears (15) among Fig. 3, but the quantity of planetary gear (15) there is no particular restriction, as long as suitably be provided with according to deceleration.In addition, the fixed form of internal gear (16) on support (5) there is not particular restriction yet, for example, can be as shown in Figure 2, the outstanding end in the top (3a) of the driving axis of rotation (3) in internal gear (16) forms groove (17), on the other hand, inner surface in support (5), setting is provided with tab shown in Figure 4 (18), by tab (18) is inserted in the above-mentioned groove (17), internal gear (16) can be fixed on the support (5).When above-mentioned tab (18) inserts groove (17), the top (3a) of above-mentioned Fig. 2 and driving axis of rotation (3) shown in Figure 3 can be inserted and be arranged in the opening (9) that is had on the torque transmission (8) of the drive unit (6) on the support (5).
In addition, deceleration device (12) has been equipped with by parallel pin ground free to rotate support planetary gears (15) such as (19) and the bearing (20) that is connected with central gear (14).In bearing (20), on the end face (20b) of support planetary gears (15) and end face (20a) that is connected with central gear (14) and opposition side, fixed and the coaxial output shaft (21) of driving axis of rotation (3).
And, deceleration device (12) is provided with helical spring keeper (26), one end of helical spring keeper has can make bearing (20) rotate freely its inner bearing support portion (22) of insertion, and be formed with the through hole (23) that stretch out on the top (21a) that can make output shaft (21), be formed with the engagement groove (25) of the helical spring (24) that is used to install and remove the balancing load moment of torsion at its external surface.As mentioned above, the helical spring that the balancing load moment of torsion is used (24) is according to Fig. 1＜a〉shown in spool pipe (2) external diameter, length and open and close that the kind, weight etc. of parts (1) are provided with, and be built in the spool pipe (2), so that when carrying out the manual pulling operation of operating means (7), can the balancing load moment of torsion.Certainly, described helical spring (24) might not be set, when need not, it can be saved by the reversing elastic force and come the balancing load moment of torsion of helical spring (24).Structure for engagement groove (25) does not have particular determination, for example, can be at helical spring keeper (26) vertically offer groove, this groove becomes the L shape at the end bent of bearing support portion (22) one sides, is combined in wherein so that curved apex (24a) crooked in the helical spring shown in Figure 2 (24) can be inserted.
And, as Fig. 1＜a〉shown in, deceleration device (12) rotates the outside of the bearing support portion (22) that is arranged on internal gear (16) and helical spring keeper (26) freely, it also is provided with the tubular rotor (29) that is installed in spool pipe (2) one end inboards, this rotor (29) at one end have with internal gear (16) in driving axis of rotation (3) top (3a) stretch out the joint portion (27) that an end of side combines, have and be arranged in the joint portion (28) that bearing support portion (22) one ends of helical spring keeper (26) in engagement groove (25) one sides combine at the other end.
And, as shown in Figures 2 and 3, deceleration device (12) also is provided with crimp rings (30), and this crimp rings has elasticity by inward-outward direction fluctuation and for example made by metal material etc., and this crimp rings (30) is arranged on the driving axis of rotation (3) between central gear (14) and the internal gear (16).
In the taking-up head opening apparatus of the invention of the application with above structure, as shown in Figure 2, central gear (14) intermeshes with planetary gear (15), internal gear (16) and the interior engagement of planetary gear (15), stretch out from an end of internal gear (16) on the top (3a) of driving axis of rotation (3), bearing (20) inserts the inside of the bearing support portion (22) of helical spring keeper (26), under the state that stretches out from an end of helical spring keeper (26) on the top of output shaft (21) (21a), rotor (29) is arranged on the outside of the bearing support portion (22) of internal gear (16) and helical spring keeper (26), when joint portion (27), when (28) combining with an end of bearing support portion (22) in end of internal gear (16) and the helical spring keeper (26), crimp rings (30) is crimped between central gear (14) and the internal gear (16), the elastic force that produced by crimp rings (30) this moment makes central gear (14) and planetary gear (15), internal gear (16) is meshing with each other and interior engagement with planetary gear (15), and internal gear (16) is connected with helical spring keeper (26).Follow described connection, also fixed helical spring keeper (26).Like this, as mentioned above, internal gear (16) is fixed on Fig. 1＜a〉and support (5) shown in Figure 4 on.
Manual pulling operation by operating means (7), moment of torsion is passed to driving axis of rotation (3) from the torque transmission (8) that is assemblied on the support (5), device (12) is suitable to slow down on the contrary with being decelerated, the moment of torsion that increases is output to output shaft (21), make connected axle bush (13) rotation, its moment of torsion is passed on the spool pipe (2).The rotor (29) that is installed in support (5) side of spool pipe (2) can make the outside of the bearing support portion (22) of internal gear (16) that is fixed on the support (5) and the helical spring keeper (26) that is connected and fixed with it freely rotate, and, an end at the spool pipe (2) of rotor (29) installation side and opposition side, because driven axis of rotation is supported on the support (4) free to rotately, therefore, spool pipe (2) the positive and negative rotation by axle bush (13) transfer torque along with the operation of manual pulling operation device (7).
So, in the taking-up head opening apparatus of the invention of this application, when the positive and negative rotation of spool pipe (2), because elastic force effect by crimp rings (30), rotor (29) is (27) and internal gear (16) in the joint portion, (28) and helical spring keeper (26) slip joint in the joint portion, therefore, can produce frictional force in this slip joint portion, thereby the operation that can avoid carrying out manual pulling operation device (7) in taking-up head opening apparatus in the past is frequent as Fig. 1＜a〉＜b shown in the unintentional or the rising of switching parts (1), therefore, switching parts (2) are stabilized in and rest on desirable position.Like this, in Fa Ming the taking-up head opening apparatus, can realize in this application by deceleration device (12) being provided with this straightforward procedure of crimp rings (30).
In addition, crimp rings (30) not only can resemble only one as shown in Figure 3, also can resemble shown in Figure 2 be provided with a plurality of.In the latter case, a faced washer (31) can be set between two crimp rings, so that more effectively produce the elastic force of crimp rings (30).
In addition, for carrying out being connected and fixed between internal gear (16) and the helical spring keeper (26) easily, reliably, as shown in Figure 3, for example, can be in an end of helical spring keeper (26) side of internal gear (16) the outstanding fairlead (32) that is provided with, and the guiding recess (33) that bootable described fairlead (32) inserts is set at the outer peripheral face of an end of internal gear (16) side of the bearing support portion (22) of helical spring keeper (26).Like this, fairlead (32) just can insert in this guiding recess (33), thereby guides being connected and fixed of internal gear (16) and helical spring keeper (26) easily, reliably.Described fairlead (32) is identical with guiding recess (33) number, preferably is formed at the relative position place of internal gear (16) and helical spring keeper (26) respectively, and fairlead (32) is inserted in the guiding recess (33) securely.
And, for in crimp rings (30), produce elastic force more reliably, as shown in Figure 2, internal gear (16) and joint portion (27) local claw (34) that stretches out to the inside that is provided with in rotor (29), simultaneously, as shown in Figure 3, the position of claw (34) two side ends of respective rotor (29), an end of formation (27) side from the joint portion forms grooving (35) to joint portion (28) one sides to rotor (29) middle part, on the other hand, in internal gear (16), the peripheral part of an end that combines with the joint portion (27) of rotor (29) can form groove (36).When the joint portion (27) of rotor (29) combines with an end of internal gear (16), above-mentioned claw (34) is hooked on the groove (36), thereby increased adhesion, both can make the periphery rotation of rotor (29), can guarantee in crimp rings (30), to produce elastic force again more reliably at internal gear (16).Be formed at the grooving (35) on the rotor (29), can make internal gear (16) more easily insert the inside of rotor (29), guarantee that simultaneously claw (34) clasp joint is on groove (36).
In addition, in the taking-up head opening apparatus of this application invention, the same in the past, can be according to Fig. 1＜a〉＜b shown in kind, width, weight and corresponding spool pipe (2) external diameter, the length etc. of opening and closing device (1), in spool pipe (2), be built-in with a helical spring (24) that is used for the balancing load moment of torsion.In order to realize this point, in the taking-up head opening apparatus that this application is invented, as shown in Figures 2 and 3, helical spring maintaining part (38) can be fixed on the center of rotation of axle bush (13), wherein the outer peripheral face in helical spring maintaining part (38) has the engagement groove (37) that can realize helical spring (24) dismounting.Structure about engagement groove (37) does not have particular determination, for example can be the same with the engagement groove (25) that is formed at above-mentioned helical spring keeper (26) outer peripheral face, vertically offer groove in helical spring maintaining part (38), this groove becomes the L shape at the end bent of axle bush (13) one sides, is combined in this groove so that the curved apex (24a) of helical spring (24) can be inserted.
And, in above-mentioned helical spring maintaining part (38), utilize spring catch (40) etc. that the reel axle (39) of usefulness of helical spring is fixed on the center of rotation of axle bush (13), in axle (39) end opposite with helical spring maintaining part (38) be provided with one can be by the joint (41) that inside connect be inserted on the top (21a) of output shaft (21).
On the other hand, in the top of output shaft (21) (21a), can be provided with the outstanding laterally flexure strip in conjunction with lug boss (42) (43).
Like this, output shaft (21) can carry out pluggable the connection with joint (41), by this connection, ensconces in the spool pipe (2) in the helical spring (24) that the balancing load moment of torsion is used.Specifically, in joint (41), be provided with can realize in conjunction with lug boss (42) plug in conjunction with recess (44), on the flexure strip (43) on the described top (21a) that is arranged on output shaft (21) in conjunction with lug boss (42), joint (41) is inserted on the top (21a) of output shaft (21), the elasticity by flexure strip (43) make be combined in conjunction with lug boss (42) described in conjunction with in the recess (44).Like this, output shaft (21) links together with joint (41), thereby can make the top (24a) that is wound on the helical spring (24) that the balancing load moment of torsion of axle on (39) use, combine with engagement groove (25), (37) on the helical spring maintaining part (38) that is formed at helical spring keeper (26) and axle bush (13), helical spring (24) is built in the spool pipe (2).
Operation by manual pulling operation device (7) makes axle bush (13) rotation, on the other hand, because helical spring keeper (26) is fixed, therefore, elastic force is reversed and produced in two ends and the engagement groove (25) of the helical spring maintaining part (38) of helical spring keeper (26) and axle bush (13), the helical spring (24) that (37) combine along with the rotation of axle bush (13).Make spool pipe (2) rotate necessary load-torque by described Spring balanced, thereby the drop-down strength that is applied to operating means (7) can be adjusted to suitable size, in addition, can also prevent to open and close the unintentional of parts (1).
Extract by the direction that output shaft (21) is opposite with direction of insertion with any edge in the joint (41), and the elastic reaction by flexure strip (43) is from extracting in conjunction with lug boss (42) in conjunction with recess (44), removes being connected of output shaft (21) and joint (41) with this.For not having particular restriction, as long as can be in conjunction with the structure that can break away from by pulling out outward by inserting in conjunction with lug boss (42), flexure strip (43) and in conjunction with the structure of recess (44).Also can adopt the hole in conjunction with recess (44).
In addition, as mentioned previously, in spool pipe (2), also can built-inly be used for the helical spring (24) of balancing load moment of torsion.So, in the application's taking-up head opening apparatus, as shown in Figure 3, on the center of rotation of axle bush (13) and with the opposition side of helical spring keeper (33), setting can be by inserting the inner insertion section (45) that connects with the top (21a) of output shaft (21), in this insertion section (45), same with joint (41), can be provided with in conjunction with recess, this can break away from lug boss (42) combination that combines that the flexure strip (43) of the top that is arranged on output shaft (21) (21a) is had in conjunction with recess.Like this, as shown in Figure 5, output shaft (21) can directly be connected with axle bush (13).The taking-up head opening apparatus of the helical spring (24) that not built-in balancing load moment of torsion is used in the spool pipe (2) can use unified part to make, and improves the versatility of part with this.And, can reduce the cost of taking-up head opening apparatus, simplify the stock control of part.
And, in the application's taking-up head opening apparatus, Fig. 1＜a〉＜b shown in support (4), (5) be provided with rack body (4a), (5a), the support (4b) that makes driven axis of rotation insert and can support to central part from the side as shown in Figure 6, or built-in as shown in Figure 4 torque transmission (8), has the through port (46) of operating means (7), the fixing support (5b) of Fig. 2 and internal gear (16) shown in Figure 3 simultaneously.These supports (4b), (5b) with respect to rack body (4a) or (5a) can rotate and be fixing.
Using takeup type opening and closing device seat shutter, hiding under the situation of positive plate, dividing plate etc., at first at the construction field (site) need be on various buildings such as ceiling, wall, skew wall fixedly pair of right and left support (4), (5).At the construction field (site) spool pipe (2) is installed between pair of right and left support (4) fixing on these various buildings, (5), its operation is normally: insert in the opening (9) of torque transmission (8) on the top (3a) that at first will drive fixed axis (3), and after being bearing on the support (5), more driven axis of rotation is inserted in the support (4).
Therefore, if in the support that is provided with drive unit (6) (5), can rotate and be provided with regularly support (5b) with respect to rack body (5a), then can make the through port (46) of the operating means (7) that is arranged in the drive unit (6) be arranged on the appropriate position, promptly, operating means (7) is wrapped on the outer peripheral face of support (5b), thereby guarantees vertically sagging.In the driven rotation shaft support of supporting (4), can rotate and be fixedly provided with support (4b) with respect to rack body (4a), like this, support (4b) can be arranged on and be easy to the appropriate location that driven axis of rotation inserts, thereby can easily realize the insertion of driven axis of rotation.
Specifically, as Fig. 4 and shown in Figure 6, in rack body (4a), (5a), formed the opening (48) that on same circumference, has a plurality of teeth (47).Support (4b), (5b) are the cap shape, as Fig. 1＜b〉as shown in, an end has flange (49), simultaneously as Fig. 4 and shown in Figure 6, the side has projection (50), and described projection (50) can embed in the tooth (47) on the opening (48) that is formed among rack body (4a), (5a).Described projection (50) can be odd number or plural number, if consider from fixing stability and rotating operation, preferably as Fig. 4 and the symmetric position place that is arranged on shown in Figure 6, promptly is preferably plural number.
In addition, in support (4b), (5b), the side of formation projection (50) reaches the flange (49) with projection (50) corresponding position, and the opening (48) of formation radially can produce elastic deformation in rack body (5a), (4a).In a word, in support (4b), (5b), if in the diameter of opening (48) side direction push the side that is formed with projection (50) or with the flange (49) of projection (50) corresponding position, pushing the external diameter that the position can dwindle support (4b), (5b) so, after pushing releasing, can return to original state.
Described support (4b), (5b) are inserted in the opening (48), and flange (49) is arranged on the external surface of rack body (5a), (5b) and is installed on rack body (5a), (4a).By making between the tooth (47) on projection (50) the embedding opening (48), support (5b), (4b) are fixed on rack body (5a), (4a).On the other hand, along side direction in the diameter of opening (48) push the side that is formed with projection (50) or with the flange (49) of projection (50) corresponding position, make the reduced diameter of support (4b), (5b), by removing chimeric between projection (50) and the tooth (47), support (5b), (4b) can rotate with respect to rack body (5a), (4a).
So, in support (5), the through port (46) that is arranged on the operating means (7) in the drive unit (6) can be arranged on the appropriate position, operating means (7) can not be wrapped on the outer peripheral face of support (5b), thereby has guaranteed vertical sagging.On the other hand, in support (4), be easy to realize the insertion of driven axis of rotation.
That is, in the driven rotation shaft support of supporting (4), as shown in Figure 6,, should have a breach to the side from the circular hole of central authorities for the support (51) that makes driven shaft can insert support (4b) from the side of support (4b).Therefore, along with the rotation of support (4b), the direction of support (51) will change, and so just can regulate the direction of insertion of driven axis of rotation, be easy to realize the insertion of driven axis of rotation.
In addition, also can with Fig. 1＜a＜b shown in be provided with about these supports (4), (5) are set on the contrary.
In addition, as Fig. 4 and shown in Figure 6, can be at the side of support (5b), (4b) configuration removal stop section (52), so that it strides across a plurality of teeth (47) of opening (48) being installed to rack body (5a), (4a) when going up.Removal stop section (52) can effectively prevent coming off on rack body (5a), (4a).The configuration quantity of described removal stop section (52), position, shape etc. are not had particular restriction, for example can be symmetrically arranged thrusts.
Certainly, the invention among the application is not limited in the foregoing description.The details such as kind, formation and structure of operating means, switching parts can be various.
By above detailed description,, when carrying out the manual pulling operation of operating means, open and close parts and can accident do not fall or raise, thereby can realize stable operating characteristics easily according to the invention among the application.
Claims (8)
1. taking-up head opening apparatus, in the described taking-up head opening apparatus, axis of rotation stretches out from the two ends, the left and right sides of the spool pipe of having fixed switching parts one end that can reel, an axis of rotation is for driving axis of rotation, another root is driven axis of rotation, these two axis of rotation are rotatably supported on the pair of right and left support, drive in the support of axis of rotation in supporting, be provided with the drive unit that makes the positive and negative rotation of described driving axis of rotation, this drive unit comprises having bendability and be the vertical sagging operating means of loop shape, with carry out positive and negative rotation by the manual operation of drop-down this operating means, transfer a torque to the torque transmission that drives axis of rotation, the top of described driving axis of rotation is connected with the torque transmission of drive unit, simultaneously, be arranged on the input side of the deceleration device that is built in described spool Guan Yiduan, outlet side at deceleration device is connected with and the inner axle bush that links to each other of spool pipe, by manual drop-down described operating means, the driving axis of rotation that rotates by torque transmission is decelerated at deceleration device, the axle bush rotation, the moment of torsion of described axle bush is passed on the spool pipe, the positive and negative rotation of spool pipe along with the operation of manual pulling operation device, open and close the coiling of parts and pull out, it is characterized in that: described deceleration device is provided with described driving axis of rotation is fixed on central gear on the center of rotation; With described central gear planet gear meshed; With with planetary gear in engagement, be formed with and can make the through hole that the top that drives axis of rotation stretches out and be fixed on internal gear on the support, simultaneously, deceleration device also is provided with: bearing, described bearing ground free to rotate planetary gear bearing also links to each other with central gear, and on the end face of the connection side of planetary supporting and central gear and opposite end face, fixed output shaft with described driving rotating shaft coaxle; The helical spring keeper, described helical spring keeper one end has can make described bearing insert inner bearing support portion freely to rotate, and be formed with the through hole that the output shaft top is stretched out, form the engagement groove that can load and unload to the helical spring that is used for the balancing load moment of torsion at its external surface; And the tubular rotor that is installed in spool Guan Yiduan inboard, this rotor is set at the outside of the bearing support portion of described internal gear and helical spring keeper free to rotately, the one end have with internal gear in, drive the joint portion that the end combines that side is stretched out on the axis of rotation top, the other end have with the helical spring keeper in be positioned at the joint portion of an end combination of the described bearing support portion that combines slot part one side; And, deceleration device also is provided with crimp rings, this crimp rings rises and falls by the fluctuation along inward-outward direction and has elasticity, and be set on the described driving axis of rotation between central gear and the internal gear, central gear and planetary gear intermesh, engagement in internal gear and the planetary gear, stretch out from an end of internal gear on the top of driving axis of rotation, bearing inserts the inside of the bearing support portion of helical spring keeper, under the state that stretches out from helical spring keeper one end on the output shaft top, rotor is arranged on the bearing support portion outside of internal gear and helical spring keeper, when an end of the bearing support portion of end of joint portion and internal gear and helical spring keeper combines, described crimp rings is crimped between central gear and the internal gear, the elastic force that this moment, crimp rings produced makes central gear and planetary gear, internal gear and planetary gear engagement or interior engagement, and internal gear and helical spring keeper are connected and fixed, simultaneously, when the positive and negative rotation of spool pipe, rotor in described two joint portions with internal gear and helical spring keeper slip joint, partly produce frictional force in this slip joint.
2. taking-up head opening apparatus according to claim 1 is characterized in that: be provided with flexure strip on the output shaft top, described flexure strip be provided with laterally protrude in conjunction with lug boss.
3. taking-up head opening apparatus according to claim 1 and 2, it is characterized in that: the center of rotation that the helical spring keeper is fixed on axle bush, described helical spring keeper is formed with the engagement groove that can mount and dismount the helical spring that the balancing load moment of torsion is used at external surface.
4. taking-up head opening apparatus according to claim 3, it is characterized in that: the center of rotation of axle bush and with the opposition side of helical spring keeper, setting can be by inserting the inner insertion section that connects with the top of output shaft, in this insertion section, be provided with in conjunction with recess, this in conjunction with recess can with the flexure strip that is arranged on the output shaft top combine lug boss in conjunction with disengaging.
5. taking-up head opening apparatus according to claim 3, it is characterized in that: on described helical spring keeper, the reel axle of usefulness of helical spring is fixed on the center of rotation of axle bush, being provided with on the axle of an end opposite with the helical spring keeper can be by inserting the output shaft top the inner joint that connects, in this joint, be provided with in conjunction with recess, this can realize being arranged on the plug in conjunction with lug boss on the flexure strip on output shaft top in conjunction with recess, output shaft is connected with joint, the engagement groove that forms in the helical spring top that the balancing load moment of torsion is used and the helical spring keeper of helical spring keeper and axle bush combines, and helical spring is built in the spool pipe.
6. taking-up head opening apparatus according to claim 4 is characterized in that: output shaft directly is connected with axle bush, the helical spring that the built-in balancing load moment of torsion of spool Guan Zhongwei is used.
7. taking-up head opening apparatus according to claim 1, it is characterized in that: support is provided with: rack body; The support that can make driven axis of rotation insert and support to central part from the side; But or built-in torque transmission, the support of fixed annulus when forming the through port of operating means, these supports all can rotate and fixing with respect to rack body.
8. taking-up head opening apparatus according to claim 7, it is characterized in that: in rack body, formed the opening that on same circumference, has a plurality of teeth, support is the cap shape, one end has flange and simultaneously has projection between the tooth that can be inlaid in described opening in the side, formed described projection the support side and with the described flange of protruding corresponding position, can realize being formed at the radial elastic distortion of the opening in the rack body, support is inserted in the opening, flange is installed in the external surface of rack body and is installed on the rack body, by being fixed on the rack body between the tooth that projection is inlaid in opening, and can rotate with respect to rack body by removing described setting-in.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP031353/2001 | 2001-02-07 | ||
| JP2001031353A JP4707245B2 (en) | 2001-02-07 | 2001-02-07 | Retractable manual opening and closing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1375613A CN1375613A (en) | 2002-10-23 |
| CN1215249C true CN1215249C (en) | 2005-08-17 |
Family
ID=18895449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02118356 Expired - Fee Related CN1215249C (en) | 2001-02-07 | 2002-02-07 | Taking-up head opening apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4707245B2 (en) |
| CN (1) | CN1215249C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8307878B2 (en) | 2009-01-14 | 2012-11-13 | Hunter Douglas Inc. | Noise dampening motor drive system for retractable covering for architectural openings |
| SG173542A1 (en) | 2009-02-09 | 2011-09-29 | Hunter Douglas Ind Bv | Spring system for roller blinds |
| JP5842651B2 (en) * | 2012-02-07 | 2016-01-13 | セイコーエプソン株式会社 | Light control device and projector |
| NL1039407C2 (en) | 2012-02-27 | 2013-08-28 | Hunter Douglas Ind Bv | Architectural covering having a drive mechanism for extending and retracting a covering member between opposite first and second end positions. |
| CN102877772B (en) * | 2012-07-30 | 2013-11-06 | 杭州欧卡索拉科技有限公司 | Blind window reel system with planetary gear turnover mechanism |
| JP5881634B2 (en) * | 2013-03-25 | 2016-03-09 | ジヤトコ株式会社 | Retainer |
| CA2966651C (en) | 2014-11-10 | 2023-03-14 | Hunter Douglas Inc. | Covering for an architectural opening including multiple stage spring assembly |
| CN108301758B (en) * | 2018-03-27 | 2024-06-28 | 绿地遮阳有限公司 | Automatic tight location gauze of top or anti strong wind's of sunshade surface fabric spool screen window device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588876Y2 (en) * | 1979-04-27 | 1983-02-17 | メタコ企業株式会社 | Bracket devices such as roll screens |
| JPS5862792U (en) * | 1981-10-24 | 1983-04-27 | メタコ企業株式会社 | Manual winding device used for roll screens, etc. |
| JPS5862793U (en) * | 1981-10-24 | 1983-04-27 | メタコ企業株式会社 | Winding device for roll screens, etc. |
| JP3250191B2 (en) * | 1993-05-28 | 2002-01-28 | トーソー株式会社 | Lift-up curtain lifting device |
| JP3994560B2 (en) * | 1998-11-29 | 2007-10-24 | アイシン精機株式会社 | Shutter drive device |
| JP4641632B2 (en) * | 2001-02-07 | 2011-03-02 | 株式会社メタコ | Roll screen |
-
2001
- 2001-02-07 JP JP2001031353A patent/JP4707245B2/en not_active Expired - Lifetime
-
2002
- 2002-02-07 CN CN 02118356 patent/CN1215249C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1375613A (en) | 2002-10-23 |
| JP2002235488A (en) | 2002-08-23 |
| JP4707245B2 (en) | 2011-06-22 |
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Granted publication date: 20050817 Termination date: 20120207 |