CN206738517U - A kind of bead type driver - Google Patents

Abstract

The utility model provides a kind of bead type driver, including：Pipe close, its be used for the grafting of curtain pipe crimping and can drive curtain pipe crimping rotate；Ratchet clutch, it is connected with the pipe close, to pin the pipe close；Base, it is fixedly installed, and the base is connected with the ratchet clutch to be rotated so as to limit the ratchet clutch；Pearl disk, it is connected with the pipe close, and the ratchet clutch is separated with the base so as to drive the pipe close to rotate during pearl disk rotation；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 bead type driver

Technical field

The utility model belongs to curtain driver technical field, is related to a kind of bead type 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 bead curtain is simple in construction, easy to use, so application is very Extensively.

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.

Such as a kind of Chinese patent of Application No. 201420229450.3, it discloses a kind of clutch of curtain driver Device, the arrangement of clutch include disengaging yoke, drop-down shift fork, locking shift fork, torsion spring, and the disengaging yoke is with drive key One-directional rotation bearing arrangement, the drop-down shift fork is the tube-in-tube structure with drop-down shift fork angle, wherein, the drop-down shift fork set The separation is connected on to refute in fork, the drop-down shift fork only rotates forward in disengaging yoke, when drop-down shift fork rotates backward, Drop-down shift fork drives disengaging yoke to rotate together.

A kind of arrangement of clutch of above-mentioned curtain driver substantially discloses a kind of curtain driver, and it is filled by clutch Put to realize the winding of curtain, but substantially can not still solve torsion spring and be constantly in bear fabric for roller shutter and lower beam completely Weight Pre strained state, so relatively painstaking when in 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 bead type driver.

The purpose of this utility model can be realized by following technical proposal：A kind of bead type driver, including：

Pipe close, its be used for the grafting of curtain pipe crimping and can drive curtain pipe crimping rotate；

Ratchet clutch, it is connected with the pipe close, to pin the pipe close；

Base, it is fixedly installed, and the base is connected with the ratchet clutch so as to limit the ratchet clutch Structure rotates；

Pearl disk, it is connected with the pipe close, and the ratchet clutch and the bottom during pearl disk rotation Seat is separated so as to drive the pipe close to rotate.

Preferably, the ratchet clutch includes ratchet, elastic component and some swing components, the ratchet and the pipe Plug connection simultaneously by the elastic component contradict on the base, the swing component it is swingable be connected on the pipe close to The ratchet is set to be separated with base.

Preferably, the front end of the pipe close is provided with inner chamber, the front end of the ratchet is connected with the inner chamber, described Elastic component is arranged in the inner chamber, and one end of the elastic component contradicts the other end on the inner chamber and contradicted in the spine On the front end face of wheel.

Preferably, the rear end of the pipe close is provided with some bearing pins, the pearl disk is arranged on the rear end of the pipe close, institute State swing component to be located on the inner ring of the pearl disk, and the swing component is swingable is located on the bearing pin, the pearl disk The swing component is promoted to swing during rotation, so that the swing component promotes the ratchet, so that the ratchet and the bottom Seat separation.

Preferably, being provided with some latches on the base, the rear end of the ratchet is provided with ratchet, the ratchet and institute State ratchet when base contradicts connection to engage with the latch, so that by the ratchet lock on the base.

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.

Preferably, the upper end of the swing component, which is provided with U-lag lower end, is provided with compressive plane, set on the inner ring of the pearl disk Some boss corresponding with the U-lag are equipped with, the boss is contradicted with the U-lag and connected, the compressive plane and the spine Wheel contradicts connection.

Preferably, the rear end of the pipe close is provided with some fixture blocks being circumferentially distributed, the fixture block is located at adjacent two Between the individual swing component, and the inner ring of the outer peripheral face of the fixture block and the pearl disk is contradicted and connected.

Preferably, being uniformly arranged some muscle lines in the inner chamber vertically, set vertically on the outer peripheral face of the ratchet Some strip grooves coordinated with the muscle line are equipped with, the muscle line is located in the strip groove, when the ratchet and institute After stating latch separation, the ratchet rotates with the pipe close.

Preferably, being provided with mandrel on the base, the mandrel passes through the ratchet and the pipe close, and described Ratchet can rotate around the mandrel.

Compared with prior art, the beneficial effects of the utility model are：

1st, due to carrying out self-locking using ratchet clutch, so curtain is more stable in folding, and will not produce larger Frictional force, user pull curtain when also than relatively labor-saving.

2nd, when ratchet engages with latch, because base is fixed, so ratchet can be stuck, so can be very reliable Limit ratchet, so as to avoid ratchet skid rotate；And contradicted and connected by base and ratchet, it is also logical while contradicting The mode for crossing the locking that ratchet engages with latch is braked, and its effect is very reliable.

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.

Brief description of the drawings

Fig. 1 is the exploded perspective view of bead type driver of the present utility model；

Fig. 2 is the attachment structure schematic diagram of swing component of the present utility model and pearl disk；

Fig. 3 is the diagrammatic cross-section of bead type driver of the present utility model；

Fig. 4 is the structural representation of base of the present utility model and ratchet；

Fig. 5 is the structural representation of pearl disk of the present utility model, swing component and ratchet.

In figure, 100, pipe close；110th, inner chamber；111st, muscle line；120th, bearing pin；130th, fixture block；210th, ratchet；211st, ratchet； 212nd, strip groove；220th, elastic component；230th, swing component；231st, U-lag；232nd, compressive plane；300th, base；310th, latch； 320th, mandrel；400th, pearl disk；410th, bead；420th, pearl groove；430th, boss.

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, shown in Fig. 3, Fig. 4, Fig. 5, a kind of bead type driver, it is applied on curtain, actually used When, shade rollerl blind shaft can be driven to rotate, so as to deploy or collapse curtain.

The driver includes pipe close 100, the clutch of ratchet 210, base 300 and pearl disk 400, and is worth saying herein Bright, the difference of itself and traditional manual bead driver is that its overall structure is more reasonable, and employs ratchet 210 clutches instead of torsion spring and axle, cause torsion spring always this makes it possible to overcome the deadweight of fabric for roller shutter and roller shutter lower beam 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 caused by frictional force the shortcomings that, it is simple come Say, be exactly when in use without torsion spring self-locking, braking is reliable, than relatively labor-saving during use.

Wherein, pipe close 100, its be used for the grafting of curtain pipe crimping and can drive curtain pipe crimping rotate；It is worth explanation herein It is that pipe close 100 is exactly tubular structure, its front end can be tucked into the axis hole of curtain pipe crimping, and the end of pipe close 100 has Discoid end face.

From a structural point, the tubular tip of pipe close 100 has some necks, can be suitable with the fixture block 130 in curtain pipe crimping Match somebody with somebody, so that both are circumferentially fixed；It can be connected by pipe close 100 with curtain pipe crimping, in the course of work of reality, finally And by driving pipe close 100 to rotate to realize the rotation of curtain pipe crimping.

The clutch of ratchet 210, it is connected with the pipe close 100, to pin the pipe close 100；In simple terms, The effect for the brake self-locking that the clutch of ratchet 210 actually plays, when trigger some action when, can release ratchet 210 from The self-locking state of mechanism is closed, rotates pipe close 100, so as to realize the winding of curtain, this makes it possible to overcome traditional torsion spring knot The shortcomings that structure produces.

Base 300, it is fixedly installed, and the base 300 is connected so as to limit the spine with the clutch of ratchet 210 Take turns the rotation of 210 clutches；Base 300 is actually the outermost part of driver, similar to an end cap, often It is securing, can not be rotated, base 300 herein serves the effect for pinning the clutch of ratchet 210.

It is exactly that the clutch of ratchet 210 can connect or separate with base 300 for further, once trigger certain Individual action, such as pearl disk 400 rotate, then the clutch of ratchet 210 will separate with base 300.

Pearl disk 400 is connected with the pipe close 100, and the clutch of ratchet 210 during the pearl disk 400 rotation Separated with the base 300 so as to drive the pipe close 100 to rotate, and herein it is worthy of note that, pearl disk 400 is actually Also linked with the clutch of ratchet 210, that is to say, that pearl disk 400 not only links with the clutch of ratchet 210, also passes through ratchet 210 clutches are connected with pipe close 100.

From a structural point, pearl disk 400 is a part of user's direct drive, that is to say, that user is drawn by pulling Pearl 410 rotates pearl disk 400, when pearl disk 400 rotates, the action of the clutch of triggering ratchet 210, and base 300 and ratchet 210 Clutch separates, and now self-locking state releases, and now the power of pearl disk 400 passes to pipe close 100, so that curtain is rolled up Pipe rotates.

Due to carrying out self-locking using the clutch of ratchet 210, so curtain is more stable in folding, and will not produce larger Frictional force, user pull curtain when also than relatively labor-saving.

As shown in Fig. 1, Fig. 3, Fig. 5, on the basis of above-mentioned embodiment, the clutch of ratchet 210 includes ratchet 210th, elastic component 220 and some swing components 230.

The ratchet 210 is connected with the pipe close 100, and both only need the effect for reaching linkage, and ratchet 210 also has There is the structure of certain locomotivity；Ratchet 210 is contradicted on the base 300 by the elastic component 220, also To say, ratchet 210 be it is separable be connected with base 300, similar to clutch configuration, supported by the elastic force of elastic component 220 Touch on base 300, overcome and then separated during 220 elastic force of elastic component with base 300, herein also what deserves to be explained is, elastic component 220 set location also has certain requirement, and the elastic force that elastic component 220 is given needs consistent with 210 moveable direction of ratchet.

The swing component 230 is swingable to be connected on the pipe close 100, that is to say, that swing component 230 actually with pipe Plug 100 linkage, swing component 230 by pearl disk 400 driving when, pipe close 100 can be driven to rotate；What deserves to be explained is, put herein The effect of moving part 230 is the ratchet 210 is separated with base 300, just because of the swingable structure of swing component 230, energy Ratchet 210 is enough stirred, is oppressed it, so as to overcome the elastic force of elastic component 220 to move, so as to be separated with base 300.

As shown in figure 1, on the basis of above-mentioned embodiment, the front end of the pipe close 100 is provided with inner chamber 110, described The front end of ratchet 210 is connected with the inner chamber 110, and is preferably that ratchet 210 is located in inner chamber 110 herein, so Ratchet 210 can not only be allowed to be linked by inner chamber 110 and pipe close 100, additionally it is possible to allow ratchet 210 to be slided in inner chamber 110.

The elastic component 220 is arranged in the inner chamber 110, and one end of the elastic component 220 is contradicted described interior The other end is contradicted on the front end face of the ratchet 210 on chamber 110.

Elastic component 220 can give ratchet 210 and provide coupling mechanism force, in simple terms, exactly promote ratchet 210, and give spine 210 elastic force are taken turns, can be preferably connected on base 300.

From a structural point, inner chamber 110 is actually a tubular housing, preferred similar to an axis hole, elastic component 220 It for spring, can be arranged in inner chamber 110, and promote ratchet 210 axially close to base 300.

In practical work process, when pearl disk 400 stops operating, elastic component 220 can be to 210 1, ratchet towards base 300 elastic force, it is locked in so that ratchet 210 is more reliable on base 300.

As shown in Fig. 2, Fig. 5, on the basis of above-mentioned embodiment, the rear end of the pipe close 100 is provided with some bearing pins 120, the pearl disk 400 is arranged on the rear end of the pipe close 100, and the swing component 230 is located at the inner ring of the pearl disk 400 On, and the swing component 230 is swingable is located on the bearing pin 120, and the pearl disk 400 promotes the swing when rotating Part 230 is swung, so that the swing component 230 promotes the ratchet 210, so that the ratchet 210 divides with the base 300 From.

Above-mentioned each bearing pin 120 is evenly distributed on the plate-like rear end of pipe close 100, and the 120 rounded arrangement of each bearing pin； The quantity of swing component 230 corresponds with bearing pin 120, and can be swung around bearing pin 120 in the range of certain angle, works as swing When part 230 is promoted by pearl disk 400, the effect for making pearl disk 400 be linked with pipe close 100 is actually produced.

As Figure 1 and Figure 4, on the basis of above-mentioned embodiment, some latches 310 are provided with the base 300, The rear end of the ratchet 210 is provided with ratchet 211, and the ratchet 210 contradicts the ratchet 211 when connecting with the base 300 Engaged with the latch 310, so as to which the ratchet 210 is locked on the base 300.

Specifically, when ratchet 211 engages with latch 310, because base 300 is fixed, so ratchet 211 can be by card Firmly, ratchet 210 so can be reliably limited very much, is rotated so as to avoid ratchet 210 from skidding；And by base 300 with Ratchet 210 contradicts connection, is also braked while contradicting by way of the locking that ratchet 211 engages with latch 310, Its effect is very reliable.

As shown in Figure 1, Figure 2, Figure 5, on the basis of above-mentioned embodiment, be provided with the pearl disk 400 bead 410 with And some pearl grooves 420, outer ring side face of each pearl groove 420 along the pearl disk 400 are uniformly distributed, the bead 410 is embedded And can be by pulling the bead 410 to drive the pearl disk 400 to rotate, due to the pearl position on bead 410 in the pearl groove 420 In in pearl groove 420, so when pulling bead 410, pearl disk 400 can be driven to rotate.

As shown in Figure 1 and Figure 2, on the basis of above-mentioned embodiment, the upper end of the swing component 230 is provided with U-lag 231, lower end is provided with compressive plane 232, is provided with the inner ring of the pearl disk 400 some corresponding convex with the U-lag 231 Platform 430, the boss 430 are contradicted with the U-lag 231 and connected, and the compressive plane 232 is contradicted with the ratchet 210 and connected.

The shape of the swing component 230 has feature very much with structure, and boss 430 coordinates with U-lag 231, when 400 turns of pearl disk When dynamic, swing component 230 can be stirred by boss 430, make the deflection of swing component 230 left side or deflect to right side, due to swing component After 230 deflections, its compressive plane 232 is arc, and contradicts company with the edge of ratchet 210, after deflection is swung, will oppress spine Wheel 210, so that ratchet 210 overcomes the elastic force of elastic component 220.

As shown in Fig. 2, Fig. 5, on the basis of above-mentioned embodiment, it is in circle that the rear end of the pipe close 100, which is provided with some, The fixture block 130 of week distribution, the fixture block 130 is between two adjacent swing components 230, and the fixture block 130 The inner ring of outer peripheral face and the pearl disk 400, which contradicts, to be connected.

Fixture block 130 primarily serves spacing effect, swing component 230 can not only be made to be connected with pipe close 100 closer, also It can make to play the amplitude of fluctuation of swing component 230 certain limitation.

In addition, the outer peripheral face of fixture block 130 is also contradicted with the inner ring of pearl disk 400 and connected, can so make pearl disk 400 with Pipe close 100 is coaxial, additionally it is possible to plays a part of spacing positioning, is easy to pearl disk 400 to be arranged on pipe close 100.

As shown in Figure 1, Figure 4, Figure 5, on the basis of above-mentioned embodiment, it is uniformly arranged vertically in the inner chamber 110 There are some muscle lines 111, it is axially disposed on the outer peripheral face of the ratchet 210 to have some bar shapeds coordinated with the muscle line 111 recessed Groove 212, the muscle line 111 are located in the strip groove 212；After the ratchet separates with the latch, the ratchet As the pipe close rotates.

The setting of muscle line 111 and strip groove 212, can be such that the ratchet is moved axially along the muscle line 111, definitely Say, be that the smoothness of ratchet 210 can be allowed to be moved forward and backward in inner chamber 110, and can also play a part of being connected, That is when ratchet 210 does not rotate, because pipe close 100 and ratchet 210 link, can not be rotated so pipe close 100 is lockable.

As shown in Fig. 1, Fig. 3, Fig. 4, on the basis of above-mentioned embodiment, mandrel 320 is provided with the base 300, The mandrel 320 passes through the ratchet 210 and the pipe close 100, and the ratchet 210 can rotate around the mandrel 320.

Mandrel 320 can carry out certain locating effect to ratchet 210 and pipe close 100, and can also ease of assembly, During actual installation, there is mandrel 320 to exist, very easily ratchet 210 and pipe close 100 can be installed on base 300, allow entirety Precision is higher when mounted.

The course of work of this bead type driver is, when pearl disk 400 is motionless, ratchet 210 is withstood on base by elastic component 220 On, and ratchet 211 bites locking with latch 310, and ratchet 210 is linked with pipe close 100 by muscle line 111 and strip groove 212, So as to which pipe close 100 be pinned；When pearl disk 400 rotates, due to the shape and structure of swing component 230, it can swing, from extruding spine Wheel 210, makes ratchet 210 be moved along inner chamber 110, and this makes it possible to allow ratchet 210 to be separated with base 300, and pearl disk 400 is turning Also pipe close 100 can be driven to rotate when dynamic.

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. bead type driver, it is characterised in that including：

   Pipe close, its be used for the grafting of curtain pipe crimping and can drive curtain pipe crimping rotate；

   Ratchet clutch, it is connected with the pipe close, to pin the pipe close；

   Base, it is fixedly installed, and the base is connected with the ratchet clutch to be turned so as to limit the ratchet clutch It is dynamic；

   Pearl disk, it is connected with the pipe close, and the ratchet clutch and the base point during pearl disk rotation From so as to driving the pipe close to rotate.
2. 2. bead type driver as described in claim 1, it is characterised in that：The ratchet clutch includes ratchet, bullet Property part and some swing components, the ratchet is connected with the pipe close and contradicted by the elastic component on the base, institute State that swing component is swingable to be connected on the pipe close to make the ratchet be separated with base.
3. 3. bead type driver as described in claim 2, it is characterised in that：The front end of the pipe close is provided with inner chamber, institute The front end and the inner chamber for stating ratchet are connected, and the elastic component is arranged in the inner chamber, and the one of the elastic component End contradicts the other end on the inner chamber and contradicted on the front end face of the ratchet.
4. 4. bead type driver as described in claim 3, it is characterised in that：The rear end of the pipe close is provided with some pins Axle, the pearl disk are arranged on the rear end of the pipe close, and the swing component is located on the inner ring of the pearl disk, and the swing Part is swingable to be located on the bearing pin, and the pearl disk promotes the swing component to swing when rotating, so that the swing component The ratchet is promoted, so that the ratchet separates with the base.
5. 5. bead type driver as described in claim 3, it is characterised in that：Some latches, institute are provided with the base The rear end for stating ratchet is provided with ratchet, and the ratchet contradicts ratchet when connecting with the base and engaged with the latch, from And by the ratchet lock on the base.
6. 6. bead type driver as described in claim 4, 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.
7. 7. bead type driver as described in claim 4, it is characterised in that：The upper end of the swing component is provided with U-lag Lower end is provided with compressive plane, and some boss corresponding with the U-lag, the boss and institute are provided with the inner ring of the pearl disk State U-lag and contradict connection, the compressive plane is contradicted with the ratchet and connected.
8. 8. bead type driver as described in claim 6, it is characterised in that：The rear end of the pipe close is provided with some in circle Week distribution fixture block, the fixture block between two adjacent swing components, and the outer peripheral face of the fixture block with it is described The inner ring of pearl disk contradicts connection.
9. 9. the bead type driver as described in claim 3 or 8, it is characterised in that：It is uniformly arranged vertically in the inner chamber There are some muscle lines, it is axially disposed on the outer peripheral face of the ratchet to have some strip grooves coordinated with the muscle line, the muscle Line is located in the strip groove, and after the ratchet separates with the latch, the ratchet rotates with the pipe close.
10. 10. bead type driver as described in claim 8, it is characterised in that：Mandrel, the core are provided with the base Axle passes through the ratchet and the pipe close, and the ratchet can rotate around the mandrel.