CN206738524U - A kind of curtain driver - Google Patents

A kind of curtain driver Download PDF

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Publication number
CN206738524U
CN206738524U CN201720513827.1U CN201720513827U CN206738524U CN 206738524 U CN206738524 U CN 206738524U CN 201720513827 U CN201720513827 U CN 201720513827U CN 206738524 U CN206738524 U CN 206738524U
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CN
China
Prior art keywords
ratchet
disk
spine
mandrel
pearl
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CN201720513827.1U
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Chinese (zh)
Inventor
卢先锋
杨士举
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Ningbo Xianfeng New Material Co Ltd
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Ningbo Xianfeng New Material Co Ltd
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Abstract

The utility model provides a kind of curtain driver, including:Base is fixedly installed, and mandrel is provided with the base;Spine disk is rotatably located on the mandrel;Ratchet is located on the mandrel and can moved axially along the mandrel, and the ratchet locks with the spine disk to be rotated so as to limit the spine disk;Swing component is connected with the spine disk and the swing component is contradicted in the outer rim of the ratchet;Pearl disk is connected with the swing component, the ratchet is separated with the spine disk by the swing component when pearl disk rotates;Pipe close is used to drive curtain pipe crimping to rotate, and the pipe close is connected with the spine disk.The beneficial effects of the utility model are:Without torsion spring self-locking, braking is reliable, than relatively labor-saving during use.

Description

A kind of curtain driver
Technical field
The utility model belongs to curtain driver technical field, is related to a kind of curtain driver.
Background technology
Curtain is all disposed with places such as office, hotel, dining room, classroom, families, there is bead driver on curtain, It can rotate curtain pipe crimping by bead driver, so as to play the effect for putting down or packing up curtain.
Because the bead driver (or making head processed) of manual bead curtain is simple in construction, easy to use, so application Widely.
General manual bead driver locking function is by one or more energy self-lockings on the fixed mandrel of driver Torsion spring complete.Due to the deadweight reason of fabric for roller shutter and roller shutter lower beam so that torsion spring is constantly in bears the weight completely Pre strained state.
When curtain deploys or packed up, torsion spring can not loosen rotation completely in addition, and so packing up Shi Budan when curtain will overcome The deadweight of fabric and roller shutter lower beam, when also overcoming the torsion spring to rotate with mandrel caused by frictional force.
In order to overcome the bead driver of existing manual bead curtain deficiency, it is necessary to which a kind of can without torsion spring self-locking, braking Lean on, compare labour-saving curtain driver during use.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of curtain driver.
The purpose of this utility model can be realized by following technical proposal:A kind of curtain driver, including:
Base, it is fixedly installed, and mandrel is provided with the base;
Spine disk, it is rotatably located on the mandrel;
Ratchet, it is located on the mandrel and can moved axially along the mandrel, the ratchet and the spine disk Locking rotates so as to limit the spine disk;
Swing component, it is connected with the spine disk and the swing component is contradicted in the outer rim of the ratchet;
Pearl disk, it is connected with the swing component, when the pearl disk rotates by the swing component make the ratchet with The spine disk separation;
Pipe close, it is used to drive curtain pipe crimping to rotate, and the pipe close is connected with the spine disk.
Preferably, being provided with inner chamber in the pipe close, elastic component is provided with the inner chamber, the ratchet is positioned at described interior On the rear port of chamber, and one end conflict of elastic component other end in the inner chamber contradicts the front end face in the ratchet On.
Preferably, the rear end of the pipe close is plate-like and is provided with pin-and-hole, it is provided with the spine disk and the pin-and-hole Corresponding bearing pin, the swing component it is swingable be connected on the bearing pin and the bearing pin is located in the pin-and-hole.
Preferably, the ratchet is discoid, and it is provided with the rear end face of the ratchet some arranged in a ring Ratchet, is provided with latch some arranged in a ring and corresponding with the ratchet on the front end face of the spine disk, the ratchet with The latch engagement rotates so as to limit the spine disk.
Preferably, the upper end of the swing component is provided with U-lag and lower end is provided with compressive plane, the inner ring of the pearl disk On be provided with some boss corresponding with the U-lag, the boss is contradicted with the U-lag and connected, the compressive plane and institute The outer rim for stating ratchet contradicts connection.
Preferably, the plate-like rear end face of the pipe close is provided with some projections being circumferentially distributed, the projection is located at phase Between two adjacent swing components, and the inner ring of the outer peripheral face of the projection and the pearl disk is contradicted and connected.
Preferably, being provided with the axis hole worn for the mandrel on the ratchet, it is uniformly arranged vertically in the axis hole There are some muscle lines, axially disposed on the mandrel there are some strip grooves coordinated with the muscle line, the muscle line is located in So as to limiting the pawl wheel in the strip groove.
Preferably, the ratchet is slope structure, and the ratchet includes tooth top and bottom of the tooth, and the tooth top corresponds to side The tooth top of ratchet and the bottom of the tooth correspond to the bottom of the tooth of opposite side ratchet.
Preferably, the end set annular groove of the mandrel and the jump ring being connected in the annular groove, the mandrel End contradicted through the inner chamber and the jump ring on the front end face of the pipe close.
Preferably, bead and some pearl grooves are provided with the pearl disk, outer ring week of each pearl groove along the pearl disk Face is uniformly distributed, and the bead is embedded in the pearl groove and can be by pulling the bead to drive the pearl disk to rotate.
Compared with prior art, the beneficial effects of the utility model are:
1st, due to carrying out self-locking using ratchet and spine disk, so curtain is more stable in folding, and will not produce larger Frictional force, user pull curtain when also than relatively labor-saving.
2nd, ratchet and latch can make ratchet and spine disk be connected together, and limitation spine disk rotates, when ratchet engages with latch, Because ratchet is fixed, so latch can be stuck, spine disk so can be reliably limited very much, so as to avoid spine disk from beating Trackslip dynamic.
3rd, the shape of the swing component and structure have feature very much, and boss coordinates with U-lag, when pearl disk rotates, can led to Cross boss and stir swing component, make swing component deflection left side or deflect to right side, after being deflected due to swing component, its compressive plane is arc Shape, and company is contradicted with the edge of ratchet, after deflection is swung, ratchet will be oppressed, so that ratchet overcomes the bullet of elastic component Power.
4th, the ratchet with domatic mechanism can engage than smoother with latch, be exactly to be engaged at both specifically When, because spine disk can rotate, so relative motion can be produced between ratchet and spine disk, and the ratchet of slope structure, can Make both close to when, mesh together along domatic.
5th, the tooth top corresponds to the tooth top of side ratchet, and the bottom of the tooth corresponds to the bottom of the tooth of opposite side ratchet, This arrangement mode of ratchet, very ingenious, no matter ratchet, which is rotated clockwise or rotated counterclockwise, can make ratchet Play a role, and the inclined-plane that can use slope structure cleverly engages with latch.
Brief description of the drawings
Fig. 1 is the explosive view of curtain driver of the present utility model;
Fig. 2 is the connection relationship diagram of swing component of the present utility model, spine disk and ratchet;
Fig. 3 is the internal structure schematic diagram of curtain driver of the present utility model;
Fig. 4 is the structural representation of pipe close of the present utility model and ratchet.
In figure, 100, base;110th, mandrel;111st, strip groove;112nd, annular groove;113rd, jump ring;200th, spine disk;210、 Bearing pin;220th, latch;300th, ratchet;310th, ratchet;311st, tooth top;312nd, bottom of the tooth;320th, axis hole;330th, muscle line;400th, swing Part;410th, U-lag;420th, compressive plane;500th, pearl disk;510th, boss;520th, bead;530th, pearl groove;600th, pipe close;610th, it is interior Chamber;620th, elastic component;630th, pin-and-hole;640th, projection.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of curtain driver, it is applied on curtain, can be with actual use Shade rollerl blind shaft is driven to rotate, so as to deploy or collapse curtain.
The driver includes:Base 100, spine disk 200, ratchet 300, swing component 400, pearl disk 500 and pipe close 600, and And herein what deserves to be explained is, the difference of itself and traditional driver of manual bead 520 is that its overall structure is more closed Reason, and employs the spine disk 200 of ratchet 300 and instead of torsion spring and axle, and this makes it possible to overcome fabric for roller shutter and roller shutter lower beam Deadweight causes torsion spring to be constantly in the Pre strained state for bearing the weight completely.
And can also solve to deploy in curtain or torsion spring can not loosen rotations completely when packing up, when curtain is packed up not singly Overcome the deadweight of fabric and roller shutter lower beam, when also overcoming the torsion spring to rotate with mandrel 110 caused by frictional force the shortcomings that, simply For, it is exactly when in use without torsion spring self-locking, braking is reliable, than relatively labor-saving during use.
Base 100 is fixedly installed, and mandrel 110 is provided with the base 100;The actually driver of base 100 is most One part in outside, it is often securing similar to an end cap, it can not be rotated, base 100 herein serves The effect of spine disk 200 is pinned by ratchet 300.
It is exactly that ratchet 300 can connect or separate with spine disk 200 for further, once it is dynamic to trigger some To make, such as pearl disk 500 rotates, then ratchet 300 will separate with spine disk 200, during without acting, the locking spine of base 100 Wheel 300, makes ratchet 300 not rotate, and because ratchet 300 can not rotate, the spine disk 200 being connected with ratchet 300 can not also rotate, So that pipe close 600 can not also rotate.
Spine disk 200 is rotatably located on the mandrel 110, and spine disk 200 can be that axle center is rotated with mandrel 110; It is worthy of note that, spine disk 200 has the function that to drive pipe close 600 to rotate herein, once spine disk 200 is lockable, then pipe close 600 can not also rotate, that is to say, that spine disk 200 is connected with pipe close 600.
Ratchet 300 is located on the mandrel 110 and can moved axially along the mandrel 110, the ratchet 300 with The spine disk 200 locks to be rotated so as to limit the spine disk 200;It is worthy of note that, spine disk 200 is with ratchet 300 herein It is located on mandrel 110, and spine disk 200 is first arranged on mandrel 110, ratchet 300 is arranged on mandrel 110 again.
Ratchet 300 and spine disk 200 are separable connection, similar to clutch configuration, when both link together, spine The locked spine disk 200 of the meeting of wheel 300, so that spine disk 200 can not rotate, when both separate, spine disk 200 can then rotate.
Swing component 400 is connected with the spine disk 200, and the swing component 400 contradicts the outer rim in the ratchet 300 On;What deserves to be explained is, the effect of swing component 400 is the ratchet 300 is separated with spine disk 200 herein, formally due to swinging The swingable structure of part 400, can stir ratchet 300, once being stirred, ratchet 300 will be made to be oppressed and moved, from And separated with spine disk 200.
Pearl disk 500 is connected with the swing component 400, makes institute by the swing component 400 when the pearl disk 500 rotates Ratchet 300 is stated to separate with the spine disk 200;The company it is also worth noting that pearl disk 500 actually also links with pipe close 600 herein Connect, when rotating pipe close 600 can be driven to rotate.
From a structural point, pearl disk 500 is a part of user's direct drive, that is to say, that user is drawn by pulling Pearl 520 rotates pearl disk 500, and when pearl disk 500 rotates, triggering ratchet 300 separates with spine disk 200, now self-locking state solution Remove, and now the power of pearl disk 500 passes to pipe close 600, so that curtain pipe crimping rotates.
This attachment structure, while can making the pearl disk 500 separate the spine disk 200 of ratchet 300, additionally it is possible to drive pipe close 600 rotate, unusual ingenious practicality.
Pipe close 600 is used to drive curtain pipe crimping to rotate, and the pipe close 600 is connected with the spine disk 200;It is worth herein Illustrate, pipe close 600 is exactly tubular structure, and its front end can be tucked into the hole of curtain pipe crimping, and the end of pipe close 600 With discoid end face.
From a structural point, the tubular tip of pipe close 600 has some necks, can with clamping in curtain pipe crimping so that Both are circumferentially fixed;It can be connected by pipe close 600 with curtain pipe crimping, in the course of work of reality, final is also to pass through drive Dynamic pipe close 600 is rotated to realize the rotation of curtain pipe crimping.
As shown in Figure 1, Figure 3, on the basis of above-mentioned embodiment, inner chamber 610 is provided with the pipe close 600, it is described Elastic component 620 is provided with inner chamber 610.
The ratchet 300 is located on the rear port of the inner chamber 610, and one end of the elastic component 620 is contradicted in institute The other end in inner chamber 610 is stated to contradict on the front end face of the ratchet 300.
Elastic component 620 can give ratchet 300 and provide elastic force, in simple terms, exactly promote ratchet 300, can Contradict on spine disk 200, herein also what deserves to be explained is, ratchet 300 is contradicted with spine disk 200 together with method it is a lot, and also Both can be pulled together using magnet, can also reach locking effect.
From a structural point, inner chamber 610 is actually a tubular housing, similar to an axis hole 320, elastic component 620 It preferably spring, can be arranged in inner chamber 610, and promote ratchet 300 to be contradicted along mandrel 110 on spine disk 200.
In practical work process, when pearl disk 500 stops operating, elastic component 620 can be to 300 1, ratchet towards spine disk 200 elastic force, so that ratchet 300 locks together with spine disk 200.
As shown in Figure 1, Figure 2, Figure 4 shows, on the basis of above-mentioned embodiment, the rear end of the pipe close 600 for plate-like and Pin-and-hole 630 is provided with, bearing pin 210 corresponding with the pin-and-hole 630 is provided with the spine disk 200, the swing component 400 can be put It is dynamic to be connected on the bearing pin 210 and the bearing pin 210 is located in the pin-and-hole 630.
From a structural point, swing component 400 is sandwiched between the plate-like rear end of pipe close 600 and spine disk 200, and is swung The quantity of part 400 is several, and it is in circular row around ratchet 300;That is, swing component 400 is actually to be distributed In the periphery of ratchet 300, after the rotation of pearl disk 500, each swing component 400 can be swung, so as to extrude ratchet 300.
Because pin-and-hole 630 is connected with bearing pin 210, so together with pipe close 600 is actually connected with spine disk 200, When spine disk 200 and swing component 400 are rotated by the effect of pearl disk 500, pipe close 600 can be driven to rotate.
Above-mentioned each bearing pin 210 is to be evenly distributed in spine disk 200 with the plate-like rear end of pipe close 600, selling with each pin-and-hole 630 Axle 210, pin-and-hole 630 and swing component 400 correspond, and swing component 400 can be around bearing pin 210 in the range of certain angle Swing.
As shown in Figure 1, Figure 2, Figure 4 shows, on the basis of above-mentioned embodiment, the ratchet 300 is discoid and described Some ratchets 310 arranged in a ring are provided with the rear end face of ratchet 300, discoid ratchet 300 can be attached to pipe close 600 Plate-like rear end on, and corresponding with inner chamber 610, ratchet 310 can limit spine disk 200 and rotate.
Be provided with the front end face of the spine disk 200 it is some arranged in a ring and with the 310 corresponding latch of ratchet 220, the ratchet 310 engages with the latch 220 to be rotated so as to limit the spine disk 200.
Above-mentioned ratchet 310 can make ratchet 300 be connected together with spine disk 200 with latch 220, and more blunt says, just It is that can limit spine disk 200 to rotate, when ratchet 310 engages with latch 220, because ratchet 300 is fixed, so latch 220 It can be stuck, so can reliably limit very much spine disk 200, be rotated so as to avoid spine disk 200 from skidding.
As shown in Figure 1 and Figure 2, on the basis of above-mentioned embodiment, the upper end of the swing component 400 is provided with U-lag 410 and lower end be provided with compressive plane 420, be provided with the inner ring of the pearl disk 500 some corresponding with the U-lag 410 Boss 510, the boss 510 are contradicted with the U-lag 410 and connected, and the outer rim of the compressive plane 420 and the ratchet 300 is supported Touch connection.
The shape of the swing component 400 has feature very much with structure, and boss 510 coordinates with U-lag 410, when 500 turns of pearl disk When dynamic, swing component 400 can be stirred by boss 510, make the deflection of swing component 400 left side or deflect to right side, due to swing component After 400 deflections, its compressive plane 420 is arc, and contradicts company with the edge of ratchet 300, after deflection is swung, will oppress spine Wheel 300, so that ratchet 300 overcomes the elastic force of elastic component 620, and makes ratchet 300 be moved towards the direction of inner chamber 610, so as to Away from spine disk 200.
As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of above-mentioned embodiment, the plate-like rear end face of the pipe close 600 is set There are some projections 640 being circumferentially distributed, the projection 640 is and described between two adjacent swing components 400 The inner ring of the outer peripheral face of projection 640 and the pearl disk 500, which contradicts, to be connected.
Fixture block primarily serves spacing effect, can make to play the amplitude of fluctuation of swing component 400 certain limitation, and The installation of pearl disk 500 can also be aided in, positioning action is played to pearl disk 500.
Specifically, the outer peripheral face of fixture block is also contradicted with the inner ring of pearl disk 500 and connected, and can so make pearl disk 500 and pipe It is coaxial to fill in 600, additionally it is possible to play a part of spacing positioning, be easy to pearl disk 500 to be arranged on pipe close 600.
As shown in Figure 1, Figure 3, on the basis of above-mentioned embodiment, it is provided with the ratchet 300 for the mandrel 110 The axis hole 320 worn, some muscle lines 330 have been uniformly arranged vertically in the axis hole 320, have been set vertically on the mandrel 110 Be equipped with some strip grooves 111 coordinated with the muscle line 330, the muscle line 330 be located in the strip groove 111 so as to The ratchet 300 is limited to rotate.
The setting of muscle line 330 and strip groove 111, can be such that the ratchet 300 is moved axially along the muscle line 330, Specifically, it is that the smoothness of ratchet 300 can be allowed to be moved forward and backward on mandrel 110, and the work for pinning ratchet 300 can also be played With making ratchet 300 can not be rotated on mandrel 110.
As shown in figure 4, on the basis of above-mentioned embodiment, the ratchet 310 is slope structure, and the ratchet 310 Including tooth top 311 and bottom of the tooth 312, tooth top 311 is exactly domatic higher one end, and bottom of the tooth 312 is exactly domatic bottom.
This ratchet 310 with domatic mechanism, due to it is domatic be inclined-plane, so can be than smoother and latch 220 engagements, specifically, exactly when both engage, because spine disk 200 can rotate, so ratchet 300 and spine disk 200 Between can produce relative motion, and the ratchet 310 of slope structure, can make both close to when, mesh together along domatic.
The tooth top 311 and the corresponding opposite side ratchet 310 of the bottom of the tooth 312 of the corresponding side ratchet 310 of tooth top 311 The bottom of the tooth 312, be exactly that ratchet 310 of the side of ratchet 310 in simple terms, the tooth of its tooth top 311 and this ratchet 310 Push up 311 correspondences, that ratchet 310 of opposite side, its bottom of the tooth 312 is corresponding with the bottom of the tooth 312 of this ratchet 310.
This arrangement mode of ratchet 310, very ingenious, no matter ratchet 300 is rotated clockwise or turned counterclockwise It is dynamic that ratchet 310 can be made to play a role, and the inclined-plane that can use slope structure cleverly engages with latch 220.
As shown in figure 1, on the basis of above-mentioned embodiment, the end set annular groove 112 of the mandrel 110 and company The jump ring 113 being connected in the annular groove 112, the end of the mandrel 110 pass through the inner chamber 610 and the jump ring 113 Contradict on the front end face of the pipe close 600.
In simple terms, mandrel 110 sequentially passes through spine disk 200, ratchet 300 and inner chamber 610, and end passes through jump ring 113 Spacing, so that pipe close 600 links together with base 100, this result is not only convenient for installing, and is also convenient for demolition and maintenance.
As shown in figure 1, on the basis of above-mentioned embodiment, bead 520 and some pearls are provided with the pearl disk 500 Groove 530, outer ring side face of each pearl groove 530 along the pearl disk 500 are uniformly distributed, and the bead 520 is embedded in the pearl groove And can be by pulling the bead 520 to drive the pearl disk 500 to rotate in 530;Because the pearl on bead 520 is located at pearl groove In 530, so when pulling bead 520, pearl disk 500 can be driven to rotate.
The course of work of the formula driver of this bead 520 is that when pearl disk 500 is motionless, ratchet 300 is withstood on spine by elastic component 620 On disk 200, and ratchet 310 and latch 220 bite locking, ratchet 300 by muscle line 330 and strip groove 111 it is locked On base 100, and it can only move forward and backward, so spine disk 200 can not rotate, the pipe close 600 to be linked with spine disk 200 can not also turn It is dynamic.
When pearl disk 500 rotates, due to the shape and structure of swing component 400, swing can be produced, from extruding ratchet 300, is made The mandrel 110 of ratchet 300 moves, and this makes it possible to allow ratchet 300 to be separated with spine disk 200, and pearl disk 500 can also band when rotating Dynamic pipe close 600 rotates.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (10)

  1. A kind of 1. curtain driver, it is characterised in that including:
    Base, it is fixedly installed, and mandrel is provided with the base;
    Spine disk, it is rotatably located on the mandrel;
    Ratchet, it is located on the mandrel and can moved axially along the mandrel, and the ratchet locks with the spine disk Rotated so as to limit the spine disk;
    Swing component, it is connected with the spine disk and the swing component is contradicted in the outer rim of the ratchet;
    Pearl disk, it is connected with the swing component, when the pearl disk rotates by the swing component make the ratchet with it is described Spine disk separates;
    Pipe close, it is used to drive curtain pipe crimping to rotate, and the pipe close is connected with the spine disk.
  2. 2. curtain driver as described in claim 1, it is characterised in that:Inner chamber, the inner chamber are provided with the pipe close In be provided with elastic component, the ratchet is located on the rear port of the inner chamber, and the elastic component one end contradict described The other end is contradicted on the front end face of the ratchet in inner chamber.
  3. 3. curtain driver as described in claim 1, it is characterised in that:The rear end of the pipe close is plate-like and is provided with Pin-and-hole, bearing pin corresponding with the pin-and-hole is provided with the spine disk, the swing component is swingable to be connected on the bearing pin And the bearing pin is located in the pin-and-hole.
  4. 4. curtain driver as described in claim 2, it is characterised in that:The ratchet is discoid, and the ratchet Rear end face on be provided with some ratchets arranged in a ring, be provided with the front end face of the spine disk it is some arranged in a ring and Latch corresponding with the ratchet, the ratchet engages with the latch to be rotated so as to limit the spine disk.
  5. 5. curtain driver as described in claim 3, it is characterised in that:The upper end of the swing component is provided with U-lag simultaneously And lower end is provided with compressive plane, be provided with some boss corresponding with the U-lag on the inner ring of the pearl disk, the boss with The U-lag contradicts connection, and the outer rim of the compressive plane and the ratchet contradicts connection.
  6. 6. curtain driver as described in claim 5, it is characterised in that:The plate-like rear end face of the pipe close is provided with some The projection being circumferentially distributed, the projection between two adjacent swing components, and the outer peripheral face of the projection with The inner ring of the pearl disk contradicts connection.
  7. 7. the curtain driver as described in claim 1 or 4, it is characterised in that:It is provided with the ratchet for the mandrel The axis hole worn, has been uniformly arranged some muscle lines in the axis hole vertically, axially disposed on the mandrel to have some and institute The strip groove of muscle line cooperation is stated, the muscle line is located in the strip groove so as to limit the pawl wheel.
  8. 8. curtain driver as described in claim 4, it is characterised in that:The ratchet is slope structure, and the ratchet Including tooth top and bottom of the tooth, the tooth top corresponds to the tooth top of side ratchet and the bottom of the tooth corresponds to the described of opposite side ratchet Bottom of the tooth.
  9. 9. curtain driver as described in claim 8, it is characterised in that:The end set annular groove of the mandrel and company The jump ring being connected in the annular groove, the end of the mandrel are contradicted in the pipe close through the inner chamber and the jump ring On front end face.
  10. 10. curtain driver as described in claim 9, it is characterised in that:Bead and some is provided with the pearl disk Pearl groove, outer ring side face of each pearl groove along the pearl disk are uniformly distributed, and the bead is embedded in the pearl groove and can passed through The bead is pulled to drive the pearl disk to rotate.
CN201720513827.1U 2017-05-10 2017-05-10 A kind of curtain driver Active CN206738524U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061659A (en) * 2017-05-10 2017-08-18 宁波先锋新材料股份有限公司 A kind of curtain driver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061659A (en) * 2017-05-10 2017-08-18 宁波先锋新材料股份有限公司 A kind of curtain driver
CN107061659B (en) * 2017-05-10 2023-08-08 宁波先锋新材料股份有限公司 Curtain driver

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