TWI763427B - Curtain capable of being positioned by manual operation - Google Patents

Abstract

A curtain capable of being positioned by manual operation includes a rod, a first positioning set and a second positioning set respectively disposed on two ends of the rod, and a curtain body connected to the rod. The first positioning set and the second positioning set are symmetrically arranged so that the first positioning set and the second positioning set are actuated by the rod simultaneously when the curtain body is moved. Rotations of the first positioning set and the second positioning set are in opposite directions to generate opposite force against each other and attain the balance when the curtain body stops at any position to thereby allow the curtain body to be positioned at any position, simplify the entire structure, and increase the convenience of use and installation.

Description

Curtain that can be manually displaced to achieve hovering positioning

The present invention relates to a curtain structure, especially a curtain that can be manually displaced to achieve hovering positioning.

Check, the general curtain is divided into rope type and no rope type. Among them, the rope type curtain mainly uses the rope to control the opening or closing of the curtain body, while the non-pull type curtain is to use the rope. The user exerts upward or downward force on the curtain body, and then cooperates with the driving of the transmission mechanism to achieve the effect of expanding or collapsing the curtain body.

Referring to FIG. 1 and FIG. 2, Taiwan Invention Patent No. 414248 discloses a curtain structure 1 that can be directly pulled and positioned, which includes an upper edge 11, a lower edge 12 opposite to the upper edge 11, and a connection to the upper edge respectively. The curtain 13 of the strip 11 and the lower strip 12, a reel 14 provided on the upper strip 11, a cord 15 passed through the curtain 13 by the reel 14 and fixed to the lower strip 12, and a The counterweight 16 is arranged on the lower side bar 12 and has a specific weight, wherein the reel 14 has a first reel 141 , a second reel 142 arranged at a distance from the first reel 141 , and a A first reed reel 143 engaged with the first reel 141, a first torsion shaft 144 engaged with the first reed reel 143, a second reed reel 145 engaged with the first torsion shaft 144, a A second torsion shaft 146 disposed between the second reed reel 145 and the second reel 142 and engaged with the second reed reel 145 and the second reel 142 respectively, and two scroll springs 147, One scroll spring 147 is arranged between the first reed reel 143 and the first torsion shaft 144 , and another scroll spring 147 is arranged between the second reed reel 145 and the second torsion shaft 146 between.

Referring to FIGS. 1 and 2 , when the user lifts or pulls down the lower side bar 12 with force, the force makes the first reel 141 and the second reel 142 inside the reel 14 receive the thread The rope 15 is driven to rotate, while the first reed reel 143 is driven by the first reel 141 to rotate synchronously, and the second torsion shaft 146 is driven by the second reel 142 to rotate synchronously, thereby driving the first reel 142. The two-reed reel 145 rotates synchronously with the first torsion shaft 144. Therefore, the two ends of the curtain 13 can be evenly matched to stretch or fold. When the curtain 13 is displaced to a fixed point, it is only necessary to release the lower edge. 12. At this time, the torsion force inside the winding machine 14 can be balanced with the gravity of the curtain 13 and the counterweight 16, so that the curtain 13 can be positioned.

However, after actual use, it is found that the conventional curtain structure 1 that can be directly pulled and positioned needs to be precisely coordinated between various components to achieve the effect of positioning and hovering the curtain 13 at any position, resulting in an overly complex overall structure, and It increases the difficulty of assembly. In addition, it is necessary to continuously adjust and test during the manufacturing process, which not only increases the difficulty of processing, but also increases the manufacturing cost, and it is impossible to achieve large-scale mass production. In the upper edge strip 11 , the volume of the upper edge strip 11 is too large, and the visual appearance is unsightly, which needs to be improved.

Therefore, the purpose of the present invention is to provide a curtain that can be manually displaced to achieve hovering positioning, which has a simple structure and is more convenient to assemble and use.

Therefore, the curtain of the present invention that can be manually displaced to achieve hovering positioning includes a rod body, a curtain body connected to the rod body, and a first positioning group and a second positioning group symmetrically arranged at both ends of the rod body respectively; Through the manual displacement process of the curtain body, the first positioning group and the second positioning group are acted by the rod body to generate opposite and mutually balanced forces, thereby achieving a balance of forces, so that the curtain body can be positioned Hovering at any position not only has a simple structure, but also increases the convenience of assembly and use.

The foregoing and other technical contents, features and effects of the present invention will be clearly understood in the following detailed description of the preferred embodiments with reference to the drawings.

Referring to FIG. 3 and FIG. 4 , a preferred embodiment of the curtain 3 that can be manually displaced to achieve the hovering positioning of the present invention, the curtain 3 that can be manually displaced to achieve the hovering positioning includes a rod body 31, a The curtain body 32 connected to the rod body 31 , a first positioning group 33 disposed at one end of the rod body 31 , and a second positioning group 34 disposed at the other end of the rod body 31 and opposite to the first positioning group 33 , and the second positioning group 34 and the first positioning group 33 are arranged symmetrically from left to right. In addition, the curtain body 32 has an actuating end 321 and a connecting end 322 opposite to the actuating end 321 and connecting the rod body 31 , and the curtain body 32 is only connected to the rod body 31 by the connecting end 322 , which is also located outside the rod body 31 when folded, that is, the curtain body 32 will not be wound around the rod body 31 .

Continuing the above, the first positioning group 33 has a first inner casing 331 disposed on the rod body 31, a driving gear 332 disposed on the rod body 31 and driven by the rod body 31, and a driving gear 332 connected to the rod body 31. The interlocking gear 333 of the driving gear 332 is meshed with each other, a first pulley 334 pivoted on the driving gear 332, a first guide wheel 335 arranged on the interlocking gear 333 and driven by the interlocking gear 333, and the other is rolled separately. A first elastic member 336 surrounding the first pulley 334 and the first guide pulley 335 and a pair of the first inner casing 331 and disposed between the first pulley 334 and the first guide pulley 335 A first outer casing 337 to accommodate the driving gear 332 , the interlocking gear 333 , the first guide wheel 335 , the first pulley 334 and the first elastic member 336 in the first inner casing 331 and the first between the outer casings 337 .

Referring to FIG. 3 and FIG. 4 , the second positioning group 34 has a second inner casing 341 disposed on the rod body 31 , and an actuating member disposed on the rod body 31 and driven by the rod body 31 . 342, a pair of driven members 343 corresponding to the actuating member 342, a second guide wheel 344 set on the actuating member 342 and driven by the actuating member 342, and a second pulley 345 set on the driven member 343 , a second elastic member 346 respectively wound between the second guide wheel 344 and the second pulley 345, and a pair of second outer shells 347 corresponding to the second inner shell 341, so that the actuating member 342, The driven member 343 , the second guide wheel 344 , the second pulley 345 and the second elastic member 346 are accommodated between the second inner casing 341 and the second outer casing 347 , and the second elastic member 346 is just opposite to the first elastic member 336, that is, when the first elastic member 336 is mainly wound around the first guide wheel 335, the second elastic member 346 is mainly wound around the second guide wheel 344, on the contrary, when the first elastic member 336 is mainly wound on the first pulley 334, the second elastic member 346 is mainly wound on the second pulley 345, so that the first elastic member 336 and the The number of windings of the second elastic member 346 is reversed.

Referring to FIG. 5 , when a force is applied to lift the curtain body 32 , the rod body 31 rotates backward. With reference to FIG. 6 , the left side of the rod body 31 rotates counterclockwise, and the rod body 31 is also synchronized at this time. The driving gear 332 of the first positioning group 33 is driven to rotate counterclockwise, and the interlocking gear 333 is acted by the driving gear 332 to rotate clockwise, and then the interlocking gear 333 synchronously drives the first guide wheel 335 to rotate clockwise At this time, the first elastic member 336 wound around the first guide wheel 335 is gradually loosened, and at the same time, the first elastic member 336 wound around the first guide wheel 335 is acted to gradually roll toward the first pulley 334 7, the right side of the rod body 31 rotates clockwise. At this time, the rod body 31 also drives the actuating member 342 of the second positioning group 34 to rotate clockwise, and the actuating member 342 drives the actuating member 342 synchronously. The second guide wheel 344 rotates clockwise. At this time, the second elastic member 346 wound around the second guide wheel 344 is gradually loosened, and the second elastic member 346 wound around the second guide wheel 344 is acted upon to Gradually winding toward the second pulley 345 , referring to FIG. 5 , when the curtain body 32 stops displacement and the rod body 31 stops functioning, the pulling force generated by the first elastic member 336 of the first pulley 334 is exactly the same as that of the The restoring force generated by the first elastic member 336 of the first guide wheel 335 offsets the first elastic member 336, and the tension generated by the second elastic member 346 of the second pulley 345 is also the same as the second elastic member 346. The restoring force generated by the second elastic member 346 of the guide wheel 344 is counteracted so that the second elastic member 346 is tensioned. The first elastic member 336 and the second elastic member 346 are just balanced with each other to achieve a balance of forces, so that the curtain body 32 can be positioned and hovered at any position during manual movement. At the same time, the simple structure design is more It increases the convenience of use and assembly, and can also be applied to the track of the existing curtain, which effectively improves the overall applicability.

To sum up the above, the curtain of the present invention that can be manually displaced to achieve the hovering positioning is arranged in a left-right symmetrical manner by the first positioning group and the second positioning group, so that when the rod is acted on, a counteracting force can be generated. The balance of the acting force is achieved, so that the curtain body can produce a positioning and hovering effect at any position of manual displacement, and at the same time, the simple structure increases the convenience of use and assembly.

However, the above descriptions are only to illustrate the preferred embodiments of the present invention, and should not limit the scope of implementation of the present invention, that is, simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the description of the invention. , shall still fall within the scope covered by the patent of the present invention.

(acquaintance) 1: Curtain structure that can be directly pulled and positioned 11: Top strip 12: Bottom strip 13: Curtain 14: Winder 15: String 16: Counterweight 141: The first spool 142: Second Spool 143: First Reed Reel 144: The first torsion shaft 145: Second Reed Reel 146: Second torsion shaft 147: Spiral Spring (this invention) 3: Manual displacement to reach the curtain of hovering positioning 31: Rod body 32: Curtain body 33: The first positioning group 34: Second positioning group 321: Actuator 322: Connection end 331: The first inner shell 332: Drive Gear 333: Interlocking gear 334: First Pulley 335: The first guide wheel 336: First elastic piece 337: First Shell 341: Second inner shell 342: Actuator 343: Follower 344: The second guide wheel 345: Second pulley 346: Second elastic piece 347: Second outer shell

FIG. 1 is a schematic diagram of a conventional curtain structure that can be directly pulled and positioned. FIG. 2 is a schematic diagram of a part of the conventional component. 3 is an exploded perspective view of a preferred embodiment of the present invention. FIG. 4 is another perspective exploded schematic view of the preferred embodiment. FIG. 5 is a schematic cross-sectional view of the preferred embodiment. FIG. 6 is a schematic diagram of the action of the preferred embodiment. FIG. 7 is another action schematic diagram of the preferred embodiment.

3: Can be manually displaced to achieve the curtain of hovering positioning

31: Rod body

32: Curtain body

33: The first positioning group

34: Second positioning group

321: Actuator

322: Connection end

331: The first inner shell

332: Drive Gear

333: Interlocking gear

334: First Pulley

335: The first guide wheel

336: First elastic piece

337: First Shell

341: Second inner shell

342: Actuator

343: Follower

344: The second guide wheel

345: Second pulley

346: Second elastic piece

347: Second outer shell

Claims (3)

A curtain that can be manually displaced to achieve hovering positioning, comprising: a rod body; a curtain body connected to the rod body, the curtain body has an actuating end, and an opposite to the actuating end and connecting the rod body. a connecting end; a first positioning group set on one side of the rod body, the first positioning set has a driving gear set on the rod body, a linking gear meshing with the driving gear, and a driving gear set on the driving a first pulley on the gear, a first guide wheel on the interlocking gear, and a first elastic member respectively wound between the first pulley and the first guide wheel; and a first pulley on the rod body A second positioning group on the other side and arranged symmetrically with the first positioning group, the second positioning group has an actuating piece set on the rod body, a pair of follower pieces corresponding to the actuating piece, and one set on the rod body. A second guide pulley on the actuating member, a second pulley on the driven member, and a second elastic member respectively wound around the second guide pulley and the second pulley, and the second elastic member The first elastic member is arranged opposite to the first elastic member, so that when the first positioning group and the second positioning group are driven by the rod body, opposite forces can be generated. The curtain that can be manually displaced to achieve hovering positioning according to claim 1, wherein the first elastic member is mainly wound around the first guide wheel, and the second elastic member is mainly wound around the second guide wheel wheel, so that the winding numbers of the first elastic piece and the second elastic piece are arranged in opposite directions. The curtain that can be manually displaced to achieve hovering positioning according to claim 1, wherein the first positioning group further comprises a first inner casing disposed on the rod body, and a pair of corresponding first inner casings The first outer casing of the casing is used to accommodate the driving gear, the interlocking gear, the first guide wheel, the first pulley and the first elastic member between the first inner casing and the first outer casing, The second positioning group further includes a second inner casing disposed on the rod body, so as to and a pair of second outer casings corresponding to the second inner casing to accommodate the actuating member, the driven member, the second guide wheel, the second pulley and the second elastic member in the second inner casing and the second outer casing.

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