CN103982127B - Shutter curtain - Google Patents
Shutter curtain Download PDFInfo
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- CN103982127B CN103982127B CN201410202145.XA CN201410202145A CN103982127B CN 103982127 B CN103982127 B CN 103982127B CN 201410202145 A CN201410202145 A CN 201410202145A CN 103982127 B CN103982127 B CN 103982127B
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Abstract
A kind of shutter curtain, it comprises curtain rod, cord and lower curtain rod, the medial surface of upper curtain rod and lower curtain rod is equipped with steel cable stop, the top of upper curtain rod and the below of lower curtain rod are respectively equipped with ropewinder, described ropewinder comprises housing (1) and locker, housing (1) both sides are provided with the connecting through hole be horizontally through for locker rotating shaft, described locker comprises rotating shaft (2) and is socketed on the axle sleeve (3) in rotating shaft (2) outside, the length of rotating shaft (2) is greater than the width of housing (1), rotating shaft (2) and housing (1) are slidably matched, rotating shaft (2) is provided with for carrying out the first spacing position-limit mechanism to axle sleeve (3), housing (1) and axle sleeve (3) are provided with for carrying out switching device that is spacing or release to axle sleeve (3) circumference, described rotating shaft (2) one end end face is provided with projection (10).
Description
Technical field
The present invention relates to curtain technical field, is specifically a kind of shutter curtain.
Background technology
At present, the top of the upper curtain rod of shutter curtain and the below of lower curtain rod are equipped with ropewinder, are provided with locker rotating shaft in ropewinder, for adjusting the tightness of steel cable, the curtain rod of shutter curtain can be slided on steel cable smooth and easy.Ropewinder comprises the locker rotating shaft be laterally fixed in ropewinder housing, the two ends of locker rotating shaft are rotatably connected in the through hole of housing both sides respectively, the through hole be connected with steel cable is provided with in the middle part of locker, by the rotating shaft of rotation lock device, steel cable is wrapped in locker rotating shaft, existing shutter curtain comes with some shortcomings part: above-mentioned ropewinder is offseted with the elastic plate be vertically fixed on ropewinder housing lower surface by the pawl of locker rotating shaft two ends circumference distribution, locker rotating shaft can only be rotated towards a direction, thus carry out spacing to locker rotating shaft, prevent locker reverse rotation of rotary shaft, reach the object of tension steel cable, but because pawl is along the distribution of locker rotating shaft outer wall circumference, when making the steel cable when ropewinder rolling is more, the steel cable be wrapped in the middle part of locker rotating shaft easily withstands the end face of flexure strip, and then locker rotating shaft cannot be rotated further tighten up steel cable, also may make steel cable that the free end of flexure strip is ejected pawl, cause locker reverse rotation of rotary shaft, the function straining steel cable cannot be realized, make the practicality of shutter curtain poor, application life is lower, in addition, the locker rotating shaft of existing ropewinder, when rotating, needs the end of inserting locker rotating shaft with screwdriver to be rotated again, operates more inconvenient.
Summary of the invention
Technical problem to be solved by this invention: provide a kind of practicality preferably, operation eaily and application life longer shutter curtain.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of shutter curtain, it comprises curtain rod, cord and lower curtain rod, the medial surface of upper curtain rod and lower curtain rod is equipped with steel cable stop, the top of upper curtain rod and the below of lower curtain rod are respectively equipped with ropewinder, described ropewinder comprises housing and locker, housing both sides are provided with the connecting through hole be horizontally through for locker rotating shaft, described locker comprises rotating shaft and is socketed on the axle sleeve outside rotating shaft, the length of rotating shaft is greater than the distance between two connecting through holes, rotating shaft and housing are slidably matched, rotating shaft is provided with for carrying out the first spacing position-limit mechanism to axle sleeve, housing and axle sleeve are provided with for carrying out switching device that is spacing or release to axle sleeve circumference, described rotating shaft one end end face is provided with projection.
Adopt said structure, the present invention is advantageously: the distance between the width of above-mentioned housing also can be understood as outside housing two connecting through holes, rotating shaft is provided with carries out spacing position-limit mechanism to axle sleeve, rotating shaft is fixedly connected with axle sleeve, prevent axle sleeve from sliding in rotating shaft or rotating, again because the length of rotating shaft is greater than the width of housing, make under the effect of external force, axle sleeve can make lateral displacement along with rotating shaft in housing; Switching device is for the switch control rule of housing to axle sleeve, on the one hand, when ropewinder does not need to be wound around steel cable, prevent axle sleeve from rotating, on the other hand, when ropewinder will be wound around steel cable, switching device makes axle sleeve discharge in housing, thus can be wound around by steel cable by rotary axle box 3, very convenient; Described rotating shaft one end end face is provided with projection, people can rotate by holding protruding also countershaft, thus can steel cable be wrapped on axle sleeve, operate more convenient, and it is more laborsaving, save existing shutter curtain needs to use screwdriver trouble when straining steel cable, projection is positioned at rotating shaft on one end end face of fixture block, makes people convenient relative to pulling rotating shaft when promoting rotating shaft.
As preferably, housing side inwall is provided with fixture block, axle sleeve is circumferentially evenly equipped with draw-in groove near one end end face of fixture block, rotating shaft is provided with the resetting-mechanism for resetting to axle sleeve, draw-in groove coordinates clamping with fixture block under the effect of resetting-mechanism, housing side inwall is provided with fixture block, axle sleeve is provided with the draw-in groove coordinating clamping with fixture block, and axle sleeve is under the effect of resetting-mechanism, the fixture block in housing is made to be connected between the draw-in groove of axle sleeve, prevent axle sleeve from rotating, because axle sleeve is fixedly connected with rotating shaft, and then prevent rotating shaft from rotating in housing, thus reach the object of tension steel cable, axle sleeve coordinates clamping by the draw-in groove that end face is circumferentially uniform with the fixture block of housing side inwall, rotating shaft is when rotating and be wound around steel cable, steel cable is wrapped in the middle part of axle sleeve, with the connection plane parallel of axle sleeve and housing clamping, make ropewinder too much ropewinder will be caused to use because of rolling steel cable, make the practicality of shutter curtain good, and application life is longer, when needs rolling steel cable, as long as laterally promote one end of rotating shaft, make rotating shaft and axle sleeve to other end transverse shifting, and then draw-in groove is separated with fixture block, then steel cable is wrapped on axle sleeve by rotating shaft, when not needing rolling steel cable, rotating shaft and axle sleeve reset under the effect of resetting-mechanism, draw-in groove again with fixture block clamping, prevent reversing, operate simpler.
As preferably, described first position-limit mechanism comprises rotating shaft and is provided with annular lug for carrying out axial limiting to axle sleeve near one end outer wall of fixture block, the external diameter of annular lug is less than or equal to the internal diameter of draw-in groove, and axle sleeve is fitted with the end face of annular lug under the effect at resetting-mechanism of one end end face of annular lug; Rotating shaft outer wall is provided with for carrying out the spacing limited block of circumference to axle sleeve, limited block extends along shaft length direction, sleeve lining is provided with the limited impression coordinated with limited block, annular lug is used for carrying out axial limiting to axle sleeve, prevent axle sleeve from sliding in rotating shaft, limited block coordinates clamping with the limited impression of sleeve lining, makes axle sleeve cannot relative to axis of rotation, carry out circumference to axle sleeve spacing, structure is simpler; Draw-in groove is greater than the external diameter of annular lug along the distribute internal diameter of annulus that formed of end face of shaft bush circumference, draw-in groove is socketed in outside annular lug under the effect of resetting-mechanism and with fixture block clamping.
As preferably, described resetting-mechanism comprises Compress Spring, Compress Spring is socketed on rotating shaft away from outside one end of fixture block, Compress Spring one end and inner walls offset, the end face of the Compress Spring other end and axle sleeve offsets, Compress Spring is socketed on rotating shaft away from outside one end of fixture block, one end end face of Compress Spring to axle sleeve has axial elastic force, and the other end end face of axle sleeve and annular lug offset, axle sleeve is made to be fixedly connected in rotating shaft under without the effect of external force, and then prevent the draw-in groove of axle sleeve from departing from the fixture block of housing, prevent reverse rotation of rotary shaft, structure is simpler, cost of production is lower.
As preferably, described rotating shaft and the first fixed via axle sleeve is respectively equipped with for being connected steel cable and the second fixed via, the axis of the first fixed via and the second fixed via is on same straight line, one end of steel cable is fixedly connected with locker with after the second fixed via through the first fixed via successively, connect simpler, steel cable also has certain position-limiting action to axle sleeve simultaneously, and structure is comparatively simple, and practicality is better.
As preferably, steel cable stop upper end is provided with the upper through hole passed for steel cable, steel cable stop bottom is provided with lower through-hole, be provided with for carrying out the second spacing position-limit mechanism to steel cable in the middle part of steel cable stop, be provided with the first spacing fixture block and the second spacing fixture block inside steel cable stop, the first spacing fixture block and the second spacing fixture block symmetrical about the center line α of steel cable stop, curtain rod is provided with the first draw-in groove and second draw-in groove of spacing fixture block and the second spacing fixture block snap-fit engagement with first respectively near one end end face of steel cable stop, the first draw-in groove and the second draw-in groove symmetrical, first draw-in groove and the second draw-in groove are 2 ~ 3mm at the A/F c of curtain rod on the end face of steel cable stop, first spacing fixture block is positioned at steel cable stop inside upper part, second spacing fixture block is positioned at steel cable stop lower inside, first spacing fixture block and the second spacing fixture block symmetrical about the center line α of steel cable stop, staff is made not need to distinguish the installation site of steel cable stop, and curtain rod is provided with the first draw-in groove and second draw-in groove of spacing fixture block and the second spacing fixture block snap-fit engagement with first, and the first draw-in groove and the second draw-in groove symmetrical, make no matter steel cable stop whether upside-down mounting, steel cable stop can be connected to the middle part of curtain rod, existing curtain rod stopping means is avoided to cause steel cable stop to stretch out curtain rod outside because of the upside-down mounting of steel cable stop, make the overall appearance degree of curtain better, structure is simpler, first draw-in groove and the second draw-in groove A/F c on curtain rod medial surface is 2 ~ 3mm, opening is less, and the draw-in groove A/F of existing curtain rod is 6 ~ 8mm, during installation, the opening part of the fixture block of steel cable stop from draw-in groove two ends is inserted, makes steel cable stop coordinate clamping with curtain rod, can effectively prevent cord from slippage in draw-in groove, structure is comparatively simple, installs more convenient.
As preferably, described second position-limit mechanism comprises the mounting groove matched with steel cable kink, the axis of upper through hole and the axis of lower through-hole are on same straight line, end, mounting groove upper end is communicated with upper through hole, mounting groove lower end is communicated with lower through-hole, the degree of depth a at two ends, mounting groove bottom surface is all greater than the degree of depth b in the middle part of mounting groove bottom surface, steel cable passes from lower through-hole successively after entering mounting groove after upper through hole, degree of depth a due to two ends, mounting groove bottom surface is all greater than the degree of depth b in the middle part of mounting groove bottom surface, and upper through hole and lower through-hole are all communicated with two ends, mounting groove bottom surface, make steel cable after entering mounting groove, form one and coordinate the bending angle bent with mounting groove, the less then limit effect of bending angle is better, again because the axis of upper through hole and the axis of lower through-hole are on same straight line, mounting groove is made to be projected as straight line on steel cable stop inner side end, and then make the direction of displacement of steel cable stop and the steel cable glide direction in mounting groove on same vertical plane, steel cable can be prevented when curtain rod slides from slippage in the mounting groove of steel cable stop, steel cable is slided in steel cable stop smooth and easy, make the application life of shutter curtain longer.
As preferably, all excessive by inclined-plane in the middle part of described two ends, mounting groove bottom surface and mounting groove bottom surface, steel cable is slided in mounting groove smooth and easy, and then make the application life of shutter curtain longer, and structure is simpler.
As preferably, the angle that described two inclined-planes are formed is 100 ° ~ 140 °, and limit effect is better.
As preferably, described mounting groove both sides are respectively equipped with a feeding groove, and feeding groove is for carrying out feeding effect to product in process of producing product, can effectively prevent steel cable stop surface from shrinking because thickness is too thick, save raw materials for production simultaneously, make cost of production lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of shutter curtain of the present invention.
Fig. 2 is the structural representation of the ropewinder of shutter curtain of the present invention.
Fig. 3 is the part detonation configuration schematic diagram of the ropewinder of shutter curtain of the present invention.
Fig. 4 is that the housing of the ropewinder of shutter curtain of the present invention partly cuts open structural representation.
Fig. 5 is second example structure schematic diagram of the switching device of the ropewinder of shutter curtain of the present invention.
Fig. 6 is the 3rd example structure schematic diagram of the switching device of the ropewinder of shutter curtain of the present invention.
Fig. 7 is the detonation configuration schematic diagram of existing ropewinder.
Fig. 8 is the structural representation that the steel cable stop of shutter curtain of the present invention is connected with curtain rod.
Fig. 9 is the structure side view that the steel cable stop of shutter curtain of the present invention is connected with curtain rod.
Figure 10 is the structural representation of the steel cable stop of shutter curtain of the present invention.
Figure 11 be the steel cable stop of shutter curtain of the present invention face structural representation.
Figure 12 is the cross-sectional view of the steel cable stop of shutter curtain of the present invention.
Figure 13 is the plan structure schematic diagram of the steel cable stop of shutter curtain of the present invention.
Figure 14 is the side-looking structure for amplifying schematic diagram of the curtain rod of shutter curtain of the present invention.
As shown in the figure: 1-housing, 2-rotating shaft, 3-axle sleeve, 4-fixture block, 5-draw-in groove, 6-limited block, 7-limited impression, 8-Compress Spring, 9.1-first fixed via, 9.2-second fixed via, 10-is protruding, 11-annular lug, the upper through hole of 12-, 13-lower through-hole, the spacing fixture block of 14-first, the spacing fixture block of 15-second, 16-first draw-in groove, 17-second draw-in groove, 18-mounting groove, 19-feeding groove, the spacing fixture block of 20-, the spacing draw-in groove of 21-, 22-annular fixture block, 23-annular slot.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
As shown in Fig. 1 to Figure 14, a kind of shutter curtain, it comprises curtain rod, cord and lower curtain rod, the medial surface of upper curtain rod and lower curtain rod is equipped with steel cable stop, the top of upper curtain rod and the below of lower curtain rod are respectively equipped with ropewinder, described ropewinder comprises housing 1 and locker, housing 1 both sides are provided with the connecting through hole be horizontally through for locker rotating shaft, the axle sleeve 3 that described locker comprises rotating shaft 2 and is socketed on outside rotating shaft 2, the length of rotating shaft 2 is greater than the width of housing 1, rotating shaft 2 and housing 1 are slidably matched, rotating shaft 2 is provided with for carrying out the first spacing position-limit mechanism to axle sleeve 3, housing 1 and axle sleeve 3 are provided with for carrying out switching device that is spacing or release to axle sleeve 3 circumference, described rotating shaft 2 one end end face is provided with protruding 10.
Distance between the width of above-mentioned housing 1 also can be understood as outside housing 1 two connecting through holes, rotating shaft 2 is provided with carries out spacing position-limit mechanism to axle sleeve 3, rotating shaft 2 is fixedly connected with axle sleeve 3, prevent axle sleeve 3 from sliding in rotating shaft 2 or rotating, again because the length of rotating shaft 2 is greater than the width of housing 1, make under the effect of external force, axle sleeve 3 can make lateral displacement along with rotating shaft 2 in housing 1; Switching device is the switch control rule for housing 1 pair of axle sleeve 3, on the one hand, when ropewinder does not need to be wound around steel cable, prevent axle sleeve 3 from rotating, on the other hand, when ropewinder will be wound around steel cable, switching device makes axle sleeve 3 discharge in housing 1, thus can steel cable be wound around rotary axle box 3, very convenient; Described rotating shaft 2 one end end face is provided with protruding 10, people can pass through to hold protruding 10 and countershaft 2 rotates, thus steel cable can be wrapped on axle sleeve 3, operate more convenient, and it is more laborsaving, save existing shutter curtain needs to use screwdriver trouble when straining steel cable, protruding 10 are positioned at rotating shaft 2 on one end end face of fixture block 4, make people convenient relative to pulling rotating shaft 2 when promoting rotating shaft.
Fig. 2 to Fig. 4 is the embodiment one of the switching device of the ropewinder of shutter curtain of the present invention: housing 1 side inwall is provided with fixture block 4, axle sleeve 3 is circumferentially evenly equipped with draw-in groove 5 near one end end face of fixture block 4, rotating shaft 2 is provided with the resetting-mechanism for resetting to axle sleeve 3, draw-in groove 5 coordinates clamping with fixture block 4 under the effect of resetting-mechanism, housing 1 side inwall is provided with fixture block 4, axle sleeve 3 is provided with the draw-in groove 5 coordinating clamping with fixture block 4, and axle sleeve 3 is under the effect of resetting-mechanism, the fixture block 4 in housing 1 is made to be connected between the draw-in groove 5 of axle sleeve 3, prevent axle sleeve 3 from rotating, because axle sleeve 3 is fixedly connected with rotating shaft 2, and then prevent rotating shaft 2 from rotating in housing 1, thus reach the object of tension steel cable, axle sleeve 3 coordinates clamping by the draw-in groove 5 that end face is circumferentially uniform with the fixture block 4 of housing 1 side inwall, make rotating shaft 2 when rotating and be wound around steel cable, steel cable is wrapped in the middle part of axle sleeve 3, with the connection plane parallel of axle sleeve 3 and housing 1 clamping, make ropewinder too much ropewinder will be caused to use because of rolling steel cable, practicality is good, and application life is longer, when needs rolling steel cable, as long as laterally promote one end of rotating shaft 2, make rotating shaft 2 and axle sleeve 3 to other end transverse shifting, and then draw-in groove 5 is separated with fixture block 4, then steel cable is wrapped on axle sleeve 3 by rotating shaft 2, when not needing rolling steel cable, rotating shaft 2 and axle sleeve 3 reset under the effect of resetting-mechanism, draw-in groove 5 again with fixture block 4 clamping, prevent reversing, operate simpler.
Described resetting-mechanism comprises Compress Spring 8, Compress Spring 8 is socketed on outside rotating shaft 2 one end away from fixture block 4, Compress Spring 8 one end and housing 1 inwall offset, the end face of Compress Spring 8 other end and axle sleeve 3 offsets, Compress Spring 8 is socketed on outside rotating shaft 2 one end away from fixture block 4, one end end face of Compress Spring 8 pairs of axle sleeves 3 has axial elastic force, and the other end end face of axle sleeve 3 and annular lug 11 offset, axle sleeve 3 is made to be fixedly connected in rotating shaft 2 under without the effect of external force, and then prevent the draw-in groove 5 of axle sleeve 3 from departing from the fixture block 4 of housing 1, prevent rotating shaft 2 from reversing, structure is simpler, cost of production is lower.
Described position-limit mechanism comprises rotating shaft 2 and is provided with annular lug 11 for carrying out axial limiting to axle sleeve 3 near one end outer wall of fixture block 4, the external diameter of annular lug 11 is less than or equal to the internal diameter of draw-in groove 5, and axle sleeve 3 is fitted with the end face of annular lug 11 under the effect at resetting-mechanism of one end end face of annular lug 11; Rotating shaft 2 outer wall is provided with for carrying out the spacing limited block 6 of circumference to axle sleeve 3, limited block 6 extends along rotating shaft 2 length direction, axle sleeve 3 inwall is provided with the limited impression 7 coordinated with limited block 6, annular lug 11 is for carrying out axial limiting to axle sleeve 3, prevent axle sleeve 3 from sliding in rotating shaft 2, limited block 6 coordinates clamping with the limited impression 7 of axle sleeve 3 inwall, and axle sleeve 3 cannot be rotated relative to rotating shaft 2, carry out circumference to axle sleeve 3 spacing, structure is simpler; Draw-in groove 5 is greater than the external diameter of annular lug along the distribute internal diameter of annulus that formed of end face of shaft bush circumference, draw-in groove 5 is socketed in outside annular lug 11 under the effect of resetting-mechanism and with fixture block 4 clamping.
Fig. 5 is the embodiment two of the switching device of shutter curtain ropewinder of the present invention: housing 1 side inwall is circumferentially evenly equipped with spacing fixture block 20 near the position of connecting through hole, described spacing fixture block 20 is triangular structure, axle sleeve 3 is circumferentially provided with near one end end face of spacing fixture block 20 the spacing draw-in groove coordinating clamping with spacing fixture block 20, rotating shaft 2 is provided with the resetting-mechanism for resetting to axle sleeve 3, spacing draw-in groove 21 coordinates clamping with spacing fixture block 20 under the effect of resetting-mechanism, the end face of axle sleeve 3 coordinates clamping with the spacing fixture block 20 on housing 1, and spacing fixture block 20 is triangular structure, the end face of leg-of-mutton inclined-plane and axle sleeve 3 is fitted, spacing fixture block 20 is made to have certain guide effect when axle sleeve 3 resets, and then it is lighter to make axle sleeve 3 reset, and it is spacing more firm, structure is simpler.
Fig. 6 is the embodiment three of the switching device of shutter curtain ropewinder of the present invention: the connecting through hole inwall of housing 1 side is circumferentially evenly equipped with annular slot 23, rotating shaft 2 is circumferentially provided with near one end outer wall of annular slot 23 the annular fixture block 22 coordinating clamping with annular slot 23, rotating shaft 2 is provided with resetting-mechanism, rotating shaft 2 makes annular fixture block 22 coordinate clamping with annular slot 23 under the effect of resetting-mechanism, install simpler, and accessory is less, eliminate the material of axle sleeve 3, reduce cost of production, structure is simpler.
Described rotating shaft 2 and the first fixed via 9.1 and the second fixed via 9.2 axle sleeve 3 is respectively equipped with for being connected steel cable, the axis of the first fixed via 9.1 and the second fixed via 9.2 is on same straight line, one end of steel cable is fixedly connected with locker through the first fixed via 9.1 and the second fixed via 9.2 are rear successively, connect simpler, steel cable also has certain position-limiting action to axle sleeve 3 simultaneously, structure is comparatively simple, and practicality is better.
Steel cable stop upper end is provided with the upper through hole 12 passed for steel cable, steel cable stop bottom is provided with lower through-hole 13, be provided with for carrying out the second spacing position-limit mechanism to steel cable in the middle part of steel cable stop, the first spacing fixture block 14 and the spacing fixture block of the second spacing fixture block 15, first 14 and the second spacing fixture block 15 is provided with symmetrical about the center line α of steel cable stop inside steel cable stop; It is symmetrical that curtain rod is provided with the first draw-in groove 16 of spacing fixture block 14 and the second spacing fixture block 15 snap-fit engagement with first respectively and the second draw-in groove 17, first draw-in groove 16 and the second draw-in groove 17 near one end end face of steel cable stop; First draw-in groove 16 and the second draw-in groove 17 are 2 ~ 3mm at the A/F c of curtain rod on the end face of steel cable stop.
First spacing fixture block 14 is positioned at steel cable stop inside upper part, second spacing fixture block 15 is positioned at steel cable stop lower inside, first spacing fixture block 14 and the second spacing fixture block 15 symmetrical about the center line α of steel cable stop, staff is made not need to distinguish the installation site of steel cable stop, and curtain rod is provided with the first draw-in groove 16 and the second draw-in groove 17 of spacing fixture block 14 and the second spacing fixture block 15 snap-fit engagement with first, and the first draw-in groove 16 and the second draw-in groove 17 symmetrical, make no matter steel cable stop whether upside-down mounting, steel cable stop can be connected to the middle part of curtain rod, existing curtain rod stopping means is avoided to cause steel cable stop to stretch out curtain rod outside because of the upside-down mounting of steel cable stop, make the overall appearance degree of curtain better, structure is simpler, first draw-in groove 16 and the A/F c of the second draw-in groove 17 on curtain rod medial surface are 2 ~ 3mm, opening is less, and the draw-in groove A/F of existing curtain rod is 6 ~ 8mm, during installation, the opening part of the fixture block of steel cable stop from draw-in groove two ends is inserted, makes steel cable stop coordinate clamping with curtain rod, can effectively prevent cord from slippage in draw-in groove, structure is comparatively simple, installs more convenient.
Described second position-limit mechanism comprises the mounting groove 18 matched with steel cable kink, the axis of upper through hole 12 and the axis of lower through-hole 13 are on same straight line, end, mounting groove 18 upper end is communicated with upper through hole 12, mounting groove 18 lower end is communicated with lower through-hole 13, the degree of depth a at two ends, mounting groove 18 bottom surface is all greater than the degree of depth b in the middle part of mounting groove 18 bottom surface, steel cable passes from lower through-hole 13 successively after entering mounting groove 18 after upper through hole 12, degree of depth a due to two ends, mounting groove 18 bottom surface is all greater than the degree of depth b in the middle part of mounting groove 18 bottom surface, and upper through hole 12 and lower through-hole 13 are all communicated with two ends, mounting groove 18 bottom surface, make steel cable form one after entering mounting groove 18 and coordinate with mounting groove 18 bending angle bent, the less then limit effect of bending angle is better, again because the axis of the axis of upper through hole 12 and lower through-hole 13 is on same straight line, mounting groove 18 is made to be projected as straight line on steel cable stop inner side end, and then make the direction of displacement of steel cable stop and the glide direction of steel cable in mounting groove 18 on same vertical plane, steel cable can be prevented when curtain rod slides from slippage in the mounting groove of steel cable stop, steel cable is slided in steel cable stop smooth and easy, make the application life of shutter curtain longer.
All by chamfered transition in the middle part of described two ends, mounting groove 18 bottom surface and mounting groove 18 bottom surface, steel cable is slided in mounting groove 18 smooth and easy, structure is simpler.
The angle that described two inclined-planes are formed is 100 ° ~ 140 °, and limit effect is better.
Described mounting groove 18 both sides are respectively equipped with a feeding groove 19, and feeding groove 19 can prevent steel cable stop surface from shrinking because thickness is too thick effectively, saves raw materials for production simultaneously, makes cost of production lower.
When mounted, one end end face of housing upper shed offsets with the metope needing to be connected or curtain rod face the ropewinder of shutter curtain of the present invention, shell nozzle is sealed by metope, has dust-proof effect, do not need to install door closure in addition, reduce cost of production.
Be described the present invention and embodiment thereof above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.If generally speaking those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (8)
1. a shutter curtain, it comprises curtain rod, cord and lower curtain rod, the medial surface of upper curtain rod and lower curtain rod is equipped with steel cable stop, the top of upper curtain rod and the below of lower curtain rod are respectively equipped with ropewinder, described ropewinder comprises housing (1) and locker, housing (1) both sides are provided with the connecting through hole be horizontally through for locker rotating shaft, it is characterized in that: described locker comprises rotating shaft (2) and is socketed on the axle sleeve (3) in rotating shaft (2) outside, the length of rotating shaft (2) is greater than the width of housing (1), rotating shaft (2) and housing (1) are slidably matched, rotating shaft (2) is provided with for carrying out the first spacing position-limit mechanism to axle sleeve (3), housing (1) and axle sleeve (3) are provided with for carrying out switching device that is spacing or release to axle sleeve (3) circumference, described rotating shaft (2) one end end face is provided with projection (10),
Described switching device comprises housing (1) side inwall and is provided with fixture block (4), axle sleeve (3) is circumferentially evenly equipped with draw-in groove (5) near one end end face of fixture block (4), rotating shaft (2) is provided with the resetting-mechanism for resetting to axle sleeve (3), and draw-in groove (5) coordinates clamping with fixture block (4) under the effect of resetting-mechanism;
Described first position-limit mechanism comprises rotating shaft (2) and is provided with annular lug (11) for carrying out axial limiting to axle sleeve (3) near one end outer wall of fixture block (4), the external diameter of annular lug (11) is less than or equal to the internal diameter of draw-in groove (5), and axle sleeve (3) is fitted with the end face of annular lug (11) under the effect of resetting-mechanism near one end end face of annular lug (11); Rotating shaft (2) outer wall is provided with for carrying out the spacing limited block (6) of circumference to axle sleeve (3), limited block (6) extends along rotating shaft (2) length direction, and axle sleeve (3) inwall is provided with the limited impression (7) coordinated with limited block (6).
2. shutter curtain according to claim 1, it is characterized in that: described resetting-mechanism comprises Compress Spring (8), Compress Spring (8) is socketed on outside rotating shaft (2) one end away from fixture block (4), Compress Spring (8) one end and housing (1) inwall offset, and the end face of Compress Spring (8) other end and axle sleeve (3) offsets.
3. shutter curtain according to claim 1, it is characterized in that: described rotating shaft (2) and the first fixed via (9.1) axle sleeve (3) is respectively equipped with for being connected steel cable and the second fixed via (9.2), the axis of the first fixed via (9.1) and the second fixed via (9.2) is on same straight line.
4. shutter curtain according to claim 1, it is characterized in that: steel cable stop upper end is provided with the upper through hole (12) passed for steel cable, steel cable stop bottom is provided with lower through-hole (13), be provided with for carrying out the second spacing position-limit mechanism to steel cable in the middle part of steel cable stop, be provided with the first spacing fixture block (14) and the second spacing fixture block (15) inside steel cable stop, the first spacing fixture block (14) is symmetrical about the center line α of steel cable stop with the second spacing fixture block (15); Curtain rod is provided with the first draw-in groove (16) and second draw-in groove (17) of spacing fixture block (14) and the second spacing fixture block (15) snap-fit engagement with first respectively near one end end face of steel cable stop, the first draw-in groove (16) and the second draw-in groove (17) symmetrical; First draw-in groove (16) and the second draw-in groove (17) are 2 ~ 3mm at the A/F c of curtain rod on the end face of steel cable stop.
5. shutter curtain according to claim 4, it is characterized in that: described second position-limit mechanism comprises the mounting groove (18) matched with steel wire kink, the axis of upper through hole (12) and the axis of lower through-hole (13) are on same straight line, mounting groove (18) end, upper end is communicated with upper through hole (12), mounting groove (18) lower end is communicated with lower through-hole (13), and the degree of depth a at mounting groove (18) two ends, bottom surface is all greater than the degree of depth b in the middle part of mounting groove (18) bottom surface.
6. shutter curtain according to claim 5, is characterized in that: all pass through chamfered transition in the middle part of described mounting groove (18) two ends, bottom surface and mounting groove (18) bottom surface.
7. shutter curtain according to claim 6, is characterized in that: the angle that described two inclined-planes are formed is 100 ° ~ 140 °.
8. shutter curtain according to claim 5, is characterized in that: described mounting groove (18) both sides are respectively equipped with a feeding groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202145.XA CN103982127B (en) | 2014-05-13 | 2014-05-13 | Shutter curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202145.XA CN103982127B (en) | 2014-05-13 | 2014-05-13 | Shutter curtain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982127A CN103982127A (en) | 2014-08-13 |
| CN103982127B true CN103982127B (en) | 2015-09-02 |
Family
ID=51274273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410202145.XA Active CN103982127B (en) | 2014-05-13 | 2014-05-13 | Shutter curtain |
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| CN (1) | CN103982127B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724885A (en) * | 1986-11-28 | 1988-02-16 | Chang A Shen | Semi-automatic shutter slat orientation adjustment and drape release control as applied in a double-layer window drape compatible with venetian blind slats |
| CN2521365Y (en) * | 2001-10-30 | 2002-11-20 | 丽方企业股份有限公司 | Shutter with rope-rolling device |
| CN102979442A (en) * | 2012-11-16 | 2013-03-20 | 宁波格兰家居用品有限公司 | Window curtain |
| CN203835226U (en) * | 2014-05-13 | 2014-09-17 | 宁波格兰家居用品有限公司 | Shutter curtain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2390484C (en) * | 2002-04-11 | 2005-12-06 | Nien Made Enterprise Co., Ltd. | Venetian blind that keeps lift cords concealed |
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2014
- 2014-05-13 CN CN201410202145.XA patent/CN103982127B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724885A (en) * | 1986-11-28 | 1988-02-16 | Chang A Shen | Semi-automatic shutter slat orientation adjustment and drape release control as applied in a double-layer window drape compatible with venetian blind slats |
| CN2521365Y (en) * | 2001-10-30 | 2002-11-20 | 丽方企业股份有限公司 | Shutter with rope-rolling device |
| CN102979442A (en) * | 2012-11-16 | 2013-03-20 | 宁波格兰家居用品有限公司 | Window curtain |
| CN203835226U (en) * | 2014-05-13 | 2014-09-17 | 宁波格兰家居用品有限公司 | Shutter curtain |
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| CN103982127A (en) | 2014-08-13 |
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