CN2443140Y

CN2443140Y - Regulating mechanism for window venetian blind

Info

Publication number: CN2443140Y
Application number: CN 00258007
Authority: CN
Inventors: 林荣贵
Original assignee: Industrial Technology Research Institute ITRI; Nien Made Enterprise Co Ltd
Current assignee: Industrial Technology Research Institute ITRI; Nien Made Enterprise Co Ltd
Priority date: 2000-10-24
Filing date: 2000-10-24
Publication date: 2001-08-15
Anticipated expiration: 2010-10-24

Abstract

The utility model relates to a frequency modulation mechanism for a shutter curtain. The inner of a casing is pivoted and sheathed with a worm wheel, and a worm is used for driving the worm wheel to rotate, wherein, the worm is composed of a linking element and an operating element which are butted with each other. The linking element is arranged in the casing and does not extend out of the casing, so the shutter curtain is easy to be folded and packed. When the shutter curtain is assembled and used, the operating element is connected with the linking element in an inserting mode. One end of the operating element penetrates through the outer of the casing and is used for being connected with an adjusting rod.

Description

The sun blind fm mechanism

The utility model is relevant with the sun blind assembly, detailed is meant a kind of sun blind fm mechanism.

Pressing, see also shown in Figure 1ly, is the collapse state schematic diagram of sun blind; The composition of these sun blind be between a upper and lower rail 1,2 with number system rope 3 serve as the serial connection most blades 4, and these sun blind utilize two stay cords (figure do not show) for the expansion of control curtain or fold, again, these sun blind nationality when launching to use is located at the frequency modulator 6 in the rail 1 on this and can be controlled these blades 4 beat at a predetermined angle by turn one adjusting lever 5 transmission devices, in view of the above to reach the purpose that ray cast is regulated.

Really, though said structure can reach predetermined design function of use, only, control this adjusting lever 5 because this commonly uses frequency modulator 6 for making things convenient for the user to revolve, and avoid adjusting lever 5 to produce and interfere, satisfy and an end of this frequency modulator 6 worm screw 6a and adjusting lever 5 bindings must be provided with in the mode that departs from blade 4 with blade 4, so make this worm screw 6a with tilting mode and worm gear 6b engagement, so, this adjusting lever 5 will be possessed certain distance with these blades 4, revolve this adjusting lever 5 of control to make things convenient for the user;

Yet, when this frequency modulator 6 is assembled on this behind rail 1, its worm screw 6a stretch through out go up rail 1 part but easily when sun blind fold with upper strata blade 4 generation interference situations (as shown in Figure 1), it causes the puzzlement of sun blind packing indirectly, and make the packing volume of timber increase easily, again, sun blind after packing is finished are in the process of transporting, if run into excessive vibrations or external force, all have and cause its anxiety that is exposed to the worm screw 6a fracture of rail 1, the puzzlement in the replacement and the customer's that derives do not trust sense and the worm screw 6a of this fracture will cause.

In view of this, this case creator thinks funiculus through detailed, and the long-pending open experience of research of being engaged in sun blind for many years, and generation of the present utility model is arranged eventually.

That is, main purpose of the present utility model is to provide a kind of sun blind fm mechanism, and it makes sun blind fold easily and packaged convenience.

Again, secondary objective of the present utility model is to provide a kind of sun blind fm mechanism, and it designs the mode of worm screw with separable butt joint, can avoid causing in transportation the disappearance of fracture.

Edge is to reach above-mentioned purpose, and a kind of sun blind fm mechanism provided by the utility model is to overlap a worm gear in an enclosure interior pivot, a worm screw one end and the engagement of this worm gear, and the worm screw other end passes this hull outside; And this fm mechanism is characterised in that: this worm screw is to be docked with an actuator by a moving part to constitute, this moving part one end tool, one swirl section and the engagement of this worm gear, and its other end then is a joining section; And this actuator one end has a socket section and this joining section, and the actuator other end is to pass this hull outside; At least one this moving part and affixed each other stopper group of this actuator of making.

Wherein this moving part joining section is a pipe box, this pipe box is provided with at least one opening, this actuator socket Duan Chengyi axostylus axostyle also is extended through in this pipe box, and has at least one draw-in groove on this axostylus axostyle, and this pocket set is to be located at the opening part of this pipe box, it is made up of a buckling piece and a spring, when this moving part and this actuator socket, and the pushing tow of this this spring of buckling piece nationality and fastening in this draw-in groove.

Wherein this pipe box inwall is provided with a guide groove, and this axostylus axostyle has a pilot pin.

Wherein this moving part joining section is a pipe box, this pipe box inside has a shoulder, and the pipe box wall is provided with some profile grooves, and this actuator socket section is extended through in this pipe box, it has a head and some bayonet locks, this head is to fasten on this shoulder, and this each bayonet lock just plugs in this each profile groove.

Below, enumerate preferred embodiment of the present utility model now, and after cooperating following diagram to be described in more detail in, wherein:

Fig. 1 is for commonly using frequency modulator and using schematic diagram.

Fig. 2 is the exploded perspective view of the utility model one preferred embodiment.

Fig. 3 is the floor map before the above-mentioned preferred embodiment worm screw assembling of the utility model.

The floor map that Fig. 4 finishes for the above-mentioned preferred embodiment worm screw assembling of the utility model.

Fig. 5 is the exploded perspective view of another preferred embodiment worm screw of the utility model.

Fig. 6 is the schematic diagram before another preferred embodiment worm screw assembling of the utility model.

The schematic diagram that Fig. 7 finishes for another preferred embodiment worm screw assembling of the utility model.

See also Fig. 2, shown in Figure 3, sun blind fm mechanism provided by the utility model is made of a housing 10, a worm gear 20, a worm screw 30 and two stopper groups 40; Wherein:

This housing 10 is by 11,12 involutory compositions of a upper and lower shell block, and these housing 10 inside have a room 13, and an axis hole 14 that is communicated with this room 13.

This worm gear 20 utilizes an axle center 21 and pivot is placed in the room 13 of this housing 10, and these 21 stage casings, axle center have a spiral section 22.

This worm screw 30 is to be made of a moving part 31 that is the axostylus axostyle shape and an actuator 32 mutual sockets, wherein:

This moving part 31 is placed in the axis hole 14 of this housing 10, the one end have a swirl section 311 and with spiral section 22 engagement of this worm gear 20, moving part 31 other ends then are a joining section 312 of pipe box shape, have symmetrically arranged two openings 313 on this pipe box, and the pipe box inwall is in having a stopper slot 314 in abutting connection with each opening 313 place, and this pipe box inwall has also extended axially a guide groove 315;

And this actuator 32 is the body of rod always, its leading portion forms a socket section 321 that can be extended through in this joining section 312, cut on these socket section 321 side faces and be provided with two draw-in grooves 322 and convex to form a pilot pin 323, when carrying over this guide groove 315 and slip into this pilot pin 323 of box lunch, the position of this each draw-in groove 322 is just corresponding to these each opening 313 belows, in addition, these actuator 32 back segments are piercing in this housing 10 outsides, and be plugged with a shackle 33 on this back segment and limit this shackle 33 with a movable sleeve 34 frames, this shackle 33 is to link (figure does not show) for an adjusting lever.

This each stopper group 40 is installed in each opening 313 place of this joining section 312 respectively, its buckling piece 41 and spring 42 by a bending is formed, these buckling piece 41 1 sides 411 plug in this stopper slot 314 and are concordant with inwall, buckling piece 41 412 in another folding faces are and are positioned at opening 313 places, the back side of this folding face 412 also has a projection 413, and this spring 42 is to be arranged in this opening 313, and the one end contacts on the inwall of this housing 10, and the other end then is socketed on this projection 413;

Take this, when the mutual socket of this moving part 31 and this actuator 32, these each buckling piece 41 nationalitys make the apical margin of its folding face 412 fasten in this draw-in groove 322 by the pushing tow of this each spring 42, so, make this moving part 31 stablize affixed (as shown in Figure 4) each other with this actuator 32, promptly this worm screw 30 is considered as one.

In addition, please consult Fig. 5 again, shown in 6, it is another preferred embodiment of the utility model worm screw, this worm screw 50 is docked with an actuator 52 by a moving part 51 equally and forms, wherein, these moving part 51 joining sections 511 are a pipe box shape, this pipe box inside has a shoulder 512, and be equipped with four road profile grooves 513 on the pipe box wall, and have a head 522 and four bayonet locks 523 on these actuator 52 socket sections 521, when this socket section 521 penetrates in this pipe box, this head 522 supports this pipe box wall, fasten till this shoulder 512 until head 522 root edges, this moment, this each bayonet lock 523 just plugged in this each profile groove 513 (as shown in Figure 7), so, and this moving part 51 and these actuator 52 firm engagement and not slippages, again when an adjusting lever drives this actuator 52 and turns, via affecting this moving part 51 to rotate cooperating of this each each profile groove 513 of bayonet lock 523 and this synchronously.

More than be the explanation of each member of the utility model sun blind fm mechanism and relevant position thereof, and the utility model will be somebody's turn to do in order to the worm screw 30,50 of transmission worm gear 20 rotation with two member designs independently, have following advantage:

1, this moving part the 31, the 51st, assembling are hidden and to be located in this housing 10 and not to protrude in housing 10 outsides, therefore, when sun blind when folding packing, its blade is received folded neat, is easy to packing, and can reduces the packing volume of timber.

2, should with separate packing again when using the worm screw 30,50 of combination in the process that the companion sun blind transport, do not have and commonly use that worm screw is subject to the external force effect and the disappearance that ruptures produces, it guarantees quality yield.

3, the modular worm screw 30,50 of the utility model is when the sun blind assembling is used, only this

actuator

32,52 need be engaged with this moving

part

31,51 in the mode of pegging graft and promptly constitute this worm screw 30,50, and these

actuator

32,52 1 ends pass these housing 10 outsides and are convenient to adjusting lever binding use, so, the design of this worm screw 30,50 not only can be avoided folding outside the inconvenience on the packing, more possesses as the binding transmission agency between worm gear and the adjusting lever.

In sum, the utility model is real in like product to have its progressive practicality, and uses and go up conveniently, again, the utility model there is no identical items and sees publication or public use before application, be with, the utility model has possessed novel patent requirement in fact, files an application in the whence in accordance with the law.

Only, the above person only is a preferable possible embodiments of the present utility model, changes so use the equivalent structure that the utility model manual and claim do such as, ought to be included in the claim of the present utility model.

Claims

1. a sun blind fm mechanism is to overlap a worm gear in an enclosure interior pivot, a worm screw one end and the engagement of this worm gear, and the worm screw other end passes this hull outside; And this fm mechanism is characterised in that:

This worm screw is to be docked with an actuator by a moving part to constitute, this moving part one end tool, one swirl section and the engagement of this worm gear, and its other end then is a joining section; And this actuator one end has a socket section and this joining section, and the actuator other end is to pass this hull outside;

At least one this moving part and affixed each other stopper group of this actuator of making.

2. sun blind fm mechanism according to claim 1, it is characterized in that, wherein this moving part joining section is a pipe box, this pipe box is provided with at least one opening, and this actuator socket Duan Chengyi axostylus axostyle also is extended through in this pipe box, and have at least one draw-in groove on this axostylus axostyle, and this pocket set is to be located at the opening part of this pipe box, it is made up of a buckling piece and a spring, when this moving part and this actuator socket, and the pushing tow of this this spring of buckling piece nationality and fastening in this draw-in groove.

3. sun blind fm mechanism according to claim 1 is characterized in that, wherein this pipe box inwall is provided with a guide groove, and this axostylus axostyle has a pilot pin.

4. sun blind fm mechanism according to claim 1, it is characterized in that, wherein this moving part joining section is a pipe box, this pipe box inside has a shoulder, and the pipe box wall is provided with some profile grooves, and this actuator socket section is extended through in this pipe box, and it has a head and some bayonet locks, this head is to fasten on this shoulder, and this each bayonet lock just plugs in this each profile groove.