CN2875250Y

CN2875250Y - Buffering device for rolling-up curtain

Info

Publication number: CN2875250Y
Application number: CNU2005200469063U
Authority: CN
Inventors: 王智永; 王文仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-25
Filing date: 2005-11-25
Publication date: 2007-03-07
Anticipated expiration: 2015-11-25
Also published as: NL1032938C2

Abstract

The utility model discloses a buffering device for rolling up curtains and comprises guiding components, a fixed shell, active kits and connection components; wherein the houseroom between the guiding components and the fixed shell is filled with damping lubricating fluid. The guiding components are connected with the active kits whose outside is provided with a concave guiding groove with a ball by a square column shaped guiding rod. The connection components are armored outside the active kits and the upper part of ball is positioned in the concave groove of the wall of the connection component. The utility model can change the rolling speed buffering direction of curtain only by transposing the installment direction of the active kits and realize the deduction of rolling speed and better spreading effect of the curtain cloth. The utility model can be used in a structure of a single set plate type curtain.

Description

Curtain Volume receives buffer unit

Technical field:

The utility model is about a kind of curtain accessory, specifically, is to receive buffer unit about a kind of curtain Volume.

Background technology:

Curtain is commonly used to sunshade or as decorating, its expansion, gathering mode generally adopt the stay cord direct pull, yet this mode relatively is applicable to opposite opened curtain or sun blind.For only width of cloth shape chip curtain, be to adopt curtain Volume to receive buffer unit more.This curtain Volume receives buffer unit and mainly is made up of shell body, sleeve, outer sleeve body, lid and moving block, when clockwise expansion cord, its sleeve is owing to the outer support of spring is dallied, thereby cord launches smooth and easy, when counterclockwise receipts Volume cord, its sleeve tightens up by clip and rotation synchronously because of spring, thereby cord Volume receipts speed is slowed down.This existing curtain Volume receives buffer unit and has following shortcoming: limit because of being subjected to fixed structure, curtain can only realize launching effect smooth and easy, that the Volume receipts are slowed down on fixed direction, and the user can't arbitrarily change the direction of buffering voluntarily.

Summary of the invention:

The purpose of this utility model is to overcome existing curtain Volume to receive the defective that the buffer unit direction can't be adjusted, a kind of novel curtain receipts buffer unit that is turned is provided, the user need only install the transposing of the activity external member in structure direction, the direction of conversion rate buffering reaches and realizes launching purpose smooth and easy, that the Volume receipts are slowed down in different directions voluntarily.

In order to achieve the above object, the utility model has been taked following technical scheme:

A kind of curtain Volume receives buffer unit, and it includes arrangement for guiding, stationary housing, activity external member and cover connected components; One end of described arrangement for guiding is provided with the guide bar of square column type, its other end is provided with convex, this convex is a top supporting part near the inner of guide bar, this top supporting part periphery is with a packing, between the top supporting part of guide bar and convex, be provided with cylindrical bar, the periphery of this cylindrical bar also is with a packing, is provided with a trepanning at the end face center of arrangement for guiding dome spare one end; Described stationary housing is placed in the outside of arrangement for guiding, it includes shell body and lid, this shell body is the cylindrical body of a hollow, one end of its inner chamber is a through hole, the other end is an accommodation space, the outer end of this accommodation space perisporium is provided with breach, be marked with lubricating fluid in the accommodation space between convex and shell body, above-mentioned lid is covered in the outer end of accommodation space, its periphery is provided with the card body of the projection that embeds above-mentioned breach, the inner central authorities of this lid are extended with a nose bar that inserts in the aforementioned trepanning, and its outer end is provided with scarfing body; Described activity external member is set on the guide bar of arrangement for guiding, its center is a square opening that matches with the guide bar profile, two ends respectively are provided with a boss respectively, the periphery of this activity external member is provided with by left conduit and right conduit and links up the spill guide channel that constitutes mutually, be provided with a ball in this guide channel, this left side conduit and right conduit are provided with the card not-go-end in its termination respectively; Described cover connected components is placed on the outside of activity external member, and its center has a cylindrical cavity that axially connects, and an end of this cavity is a through hole, and the other end is cylindric accommodation space, and the inwall upper edge of this accommodation space is axially arranged with the groove that a cross section is circular arc.

Curtain Volume described in the utility model receives buffer unit and is fixed with a fixed block in the outside of cover connected components, the inner face of this fixed block is provided with one can be inserted in the square shrinkage pool of the guide bar end of arrangement for guiding, its outer face is provided with a square body, and the center of this fixed block is a through hole; Center in the outer face of above-mentioned guide bar is provided with a screw, and screw passes through hole and screws in screw fixed block is fixed on the outside of cover connected components; The port of the accommodation space of described shell body is provided with a seam face, and the periphery of described lid is provided with cover plug face, and this cover plug face is closely filled in the seam face, thereby accommodation space is sealed.

Receiving buffer unit with existing curtain Volume compares, activity external member of the present utility model can unload easily and oppositely be set on the guide bar again again, thereby reaching in the opposite direction, cord launches smooth and easy, Volume receives the purpose of slowing down, realize to reach in different directions the effect of buffering, made things convenient for the user.

Description of drawings:

Fig. 1 is the utility model structural upright exploded view.

Fig. 2 is stereoscopic figure of the present utility model.

Fig. 3 is an installation diagram of the present utility model.

Fig. 4 is the view of the utility model when Volume receives cord.

Fig. 5 is the view of the utility model when launching cord.

Fig. 6 is a scheme of installation of the present utility model.

Fig. 7 is the view of the another kind of usage of the utility model when Volume receives cord.

Fig. 8 is the view of the another kind of usage of the utility model when launching cord.

The specific embodiment:

Now with specific embodiment the utility model is described in further detail in conjunction with the accompanying drawings.

At first see also Fig. 1, Fig. 2 and Fig. 3 structure chart of the present utility model.Diagram curtain Volume receives buffer unit and includes arrangement for guiding 10, stationary housing 20, activity external member 30 and cover connected components 40.

One end of described arrangement for guiding 10 is provided with the guide bar 11 of square column type, its other end is provided with convex 12, the outer surface of this convex 12 is provided with groove, in its inner near guide bar 11 is top supporting part 120, be with an O type packing 121 on the periphery of this top supporting part 120, between the top supporting part 120 of guide bar 11 and convex 12, be provided with cylindrical bar 110, the periphery of this cylindrical bar 110 also is with an O type packing 111, end face center at dome spare 12 1 ends of arrangement for guiding 10 is provided with a trepanning 122, is provided with screw 112 at the end face center of guide bar 11 outer ends of arrangement for guiding 10.

Described stationary housing 20 is placed in the outside of arrangement for guiding 10, and it includes shell body 21 and lid 22.This shell body 21 is the cylindrical body of a hollow, and an end of its inner chamber is a through hole 210, and the other end is an accommodation space 211; Arrangement for guiding 10 is inserted in after the stationary housing 20, and its convex 12 is sitting in the accommodation space 211, and cylindrical bar 110 then passes through hole 210; The perisporium of this accommodation space 211 offers breach 212 near the place, end of outer end, and its port also is provided with a seam face 213.Described lid 22 is covered in the outer end of accommodation space 211, its periphery is provided with the card body 221 of the projection that embeds above-mentioned breach 212, the periphery of this lid 22 also is provided with the seam face 213 that cover plug face 220 is closely filled in accommodation space 211, thereby with accommodation space 211 sealings; Be marked with lubricating fluid 2110 in the accommodation space 211 between convex 12 and shell body 21, this lubricating fluid 2110 has been full of the groove on convex 12 surfaces, thereby arrangement for guiding 10 has been played damping action around the rotation of its longitudinal axis; Lid 22 is extended with a nose bar 222 that inserts in the aforementioned trepanning 122 near the inner central authorities of accommodation space 211, and the outer end of lid 22 is provided with scarfing body 223 so that install.

Diagram activity external member 30 is set on the guide bar 11 of arrangement for guiding 10, its center be a square opening 31 that matches with guide bar 11 profiles so that be inserted in guide bar 11, the two ends of this activity external member 30 respectively are provided with a

boss

32 and 33 respectively; The periphery of activity external member 30 is provided with left conduit 340 and right conduit 341, and this two

conduit

340 and 341 is communicated with each other and constituted the spill guide channel 34 that encircles Zhou Guantong, and this left side conduit 340 and right conduit 341 are provided with card not-go-end 3400 and 3410 respectively in its termination; Be provided with a ball 35 in this guide channel 34, the Lower Half of this ball 35 falls into and to place guide channel 34, and it can move around arrangement for guiding 10 peripheries along guide channel 34, and stops running into card not-go-end 3400 or at 3410 o'clock.

Described cover connected components 40 is placed on the outside of movable loop bar 30, and it can be made with the aluminium of calendering formation.These cover connected components 40 centers have a cylindrical cavity that axially connects, one end of this cavity is the

boss

32 or 33 of through hole 42 with ccontaining above-mentioned activity external member 30, the other end is cylindric accommodation space 41, the inwall upper edge of this accommodation space 41 is axially arranged with the groove 410 that a cross section is circular arc, the first half of above-mentioned ball 35 promptly is placed in this groove 410, thereby the motion of ball 35 on accommodation space 41 inwalls can only be carried out by groove 410 vertically.The outside at cover connected components 40 is fixed with a fixed block 43, the inner face of this fixed block 43 is provided with one can be inserted in the square shrinkage pool 431 of guide bar 11 outer ends of arrangement for guiding 10, its outer face is provided with a square body 432, the center of this fixed block 43 is a through hole 430, and screw 44 passes that this through hole 430 screws in the screw 112 at centers, guide bar 11 outer face and the outside that fixed block 43 is fixed on cover connected components 40.

The assembling of curtain Volume receipts buffer unit described in the utility model can be as shown in Figure 3.At first the direction of passing accommodation space 211, through hole 210 successively by guide bar 11 is inserted in arrangement for guiding 10 in the shell body 21 of stationary housing 20, after in accommodation space 211, injecting lubricating fluid 2110, again lid 22 is covered in the outer end of accommodation space 211, make card body 221 embed breach 212, cover plug face 220 is filled in seam face 213, and nose bar 222 inserts trepanning 122; Because closely cooperating and the sealing function of

packing

121 and 111 of cover plug face 220 and seam face 213 can not leak the lubricating fluids 2110 in the accommodation space 211; Then activity external member 30 is placed on the guide bar 11 in boss 33 inside modes, subsequently ball 35 is put into guide channel 34, and slip into groove 410 and will overlap the outside that connected components 40 is placed on activity external member 30 along ball 35; At last the shrinkage pool 431 of fixed block 43 is enclosed within the outer end of guide bar 11, fixed block 43 is rotated with on guide bar 11 with screw 44.

This curtain Volume receives the assembling form of buffer unit on curtain rod as shown in Figure 6, and the scarfing body 223 of lid 22 opens folding mechanism 60 with drawing of curtain and is connected, and the square body 432 of fixed block 43 is inserted in the square opening 51 of moving block group 50 1 side central authorities.

Curtain Volume described in the utility model receives the operation principle of buffer unit can consult Fig. 4 and Fig. 5.When Volume along clockwise direction receives cord (as shown in Figure 4), the clockwise direction rotation thereupon of cover connected components 40, its groove 410 promotes ball 35 and rolls in guide channel 34 along left conduit 340 or right conduit 341, when touching card not-go-end 3400 or 3410 and when being ended by card, cover connected components 40 just so that drive activity external member 30 and arrangement for guiding 10 clockwise rotate simultaneously; Because the damping action of 2110 pairs of convexs 12 of lubricating fluid in the stationary housing 20, the Volume of cord receives speed thereby slows down.When launching cord in the counterclockwise direction (as shown in Figure 5), cover connected components 40 also rotates counterclockwise, its groove 410 promotes ball 35 and rolls in the left and

right conduit

340 and 341 of guide channel 34, owing to do not blocked stopping of not-go-end 3400 or 3410, so activity external member 30 and arrangement for guiding 10 transfixions, cover connected components 40 is made lost motion on activity external member 30, so the expansion of cord is not subjected to any stopping and very smooth and easy.In sum, curtain Volume described in the utility model receives buffer unit and has just realized in the curtain operating process that clockwise Volume receives cord and slows down, launches counterclockwise cord effect smoothly.

Yet taking down the exhibits of curtain is not always to be set to clockwise Volume receive, launch counterclockwise, can occur the situation that the counterclockwise Volume of needs receives, launches clockwise sometimes in actual applications.In order to adapt to the situation that the above-mentioned direction of taking down the exhibits changes, the utility model can change the assembling mode neatly when using.If when needing to change direction of operating, activity external member 30 need only be unloaded, again reverses its direction oppositely encapsulation go on the guide bar 11 to get final product, at this moment left and

right conduit

340 and 341 card not-go-end 3400 and 3410 have just changed the direction that card ends effect, Fig. 7 and Fig. 8 have represented the course of work in this case.(see figure 7) when cord is received Volume counterclockwise, cover connected components 40 are rotated counterclockwise and rotate counterclockwise by the effect drive activity external member 30 and the arrangement for guiding 10 of ball 35 with card not-go-end 3400 or 3410; Because the damping action of lubricating fluid 2110, the Volume receipts speed of cord is slowed down.(see figure 8) when cord launches clockwise, not clockwise rotating because of there being any stopping of cover connected components 40 seems very smooth and easy, thus the expansion of cord also can be carried out swimmingly.Therefore, member activity external member 30 oppositely need only be installed, curtain Volume described in the utility model receives buffer unit and just can realize receiving counterclockwise the Volume cord and slow down, launch cord clockwise and operate smoothly.

In sum, curtain Volume described in the utility model receives buffer unit and can realize in different directions neatly that cord Volume receives and slow down, launch operating effect smoothly, thereby can adapt to different application scenarios easily.

Claims

1, a kind of curtain Volume receives buffer unit, it is characterized in that: it includes arrangement for guiding (10), stationary housing (20), activity external member (30) and cover connected components (40);

One end of described arrangement for guiding (10) is provided with the guide bar (11) of square column type, its other end is provided with convex (12), this convex (12) is top supporting part (120) near the inner of guide bar (11), this top supporting part (120) periphery is with a packing (121), between the top supporting part (120) of guide bar (11) and convex (12), be provided with cylindrical bar (110), the periphery of this cylindrical bar (110) also is with a packing (111), is provided with a trepanning (122) at the end face center of arrangement for guiding (10) dome spare (12) one ends;

Described stationary housing (20) is placed in the outside of arrangement for guiding (10), it includes shell body (21) and lid (22), this shell body (21) is the cylindrical body of a hollow, one end of its inner chamber is through hole (210), the other end is accommodation space (211), the outer end of this accommodation space (211) perisporium is provided with breach (212), be marked with lubricating fluid (2110) in the accommodation space (211) between convex (12) and shell body (21), above-mentioned lid (22) is covered in the outer end of accommodation space (211), its periphery is provided with the card body (221) of the projection that embeds above-mentioned breach (212), the inner central authorities of this lid (22) are extended with a nose bar (222) that inserts in the aforementioned trepanning (122), and its outer end is provided with scarfing body (223);

Described activity external member (30) is set on the guide bar (11) of arrangement for guiding (10), its center is a square opening (31) that matches with guide bar (11) profile, two ends respectively are provided with a boss (32,33) respectively, the periphery of this activity external member (30) is provided with by left conduit (340) and right conduit (341) and links up the spill guide channel (34) that constitutes mutually, be provided with a ball (35) in this guide channel (34), this left side conduit (340) and right conduit (341) are provided with card not-go-end (3400,3410) respectively in its termination;

Described cover connected components (40) is placed on the outside of activity external member (30), its center has a cylindrical cavity that axially connects, one end of this cavity is through hole (42), the other end is cylindric accommodation space (41), and the inwall upper edge of this accommodation space (41) is axially arranged with the groove (410) that a cross section is circular arc.

2, curtain Volume according to claim 1 receives buffer unit, it is characterized in that: the outside at cover connected components (40) is fixed with a fixed block (43).

3, curtain Volume according to claim 2 receives buffer unit, it is characterized in that: the inner face of described fixed block (43) is provided with one can be inserted in the square shrinkage pool (431) of guide bar (11) end of arrangement for guiding (10), its outer face is provided with a square body (432), and the center of this fixed block (43) is a through hole (430); Center in the outer face of above-mentioned guide bar (11) is provided with a screw (112), and screw (44) passes through hole (430) and screws in screw (112) fixed block (43) is fixed on the outside of cover connected components (40).

4, curtain Volume according to claim 1 and 2 receives buffer unit, it is characterized in that: the port of the accommodation space (211) of described shell body (21) is provided with a seam face (213), the periphery of described lid (22) is provided with cover plug face (220), this cover plug face (220) is closely filled in seam face (213), thereby accommodation space (211) is sealed.