TWI803160B - Rolling screen device and connection device thereof - Google Patents

Abstract

A rolling screen device has two side frames, a movable frame, a screen, a rolling mechanism, and a connection device connected with the side frames. The rolling mechanism includes a shell base and a fixed base connected with the shell base. The shell seat has an inner space, and the inner space is provided with a scroll, the scroll is connected with one end of the screen, and the other end of the screen is connected with the movable frame. The connecting device is respectively arranged at two ends of the fixing base, and includes a body and a first insertion part connected with the body. One side of the main body extends a first blocking part, and one end of the first blocking part extends at least one blocking part, and the blocking part is arranged in parallel with the first blocking part to form a track, thereby guiding the The screen fits into the side frame to avoid creases.

Description

Rolling screen device and connection device thereof

The invention relates to a reel device for a door and window shielding curtain, in particular to a reel screen device and its connecting device.

Referring to FIG. 1 , an existing reel device 1 includes a housing 10 surrounding and defining a configuration space 100 , a shaft 11 disposed in the configuration space 100 , and a shaft 11 retractable and retractable on the shaft 11 . A curtain net 12, an operating member 13 connected to the end of the curtain net 12 away from the housing 10 and used for pulling, and two respectively connected to the opposite ends of the housing 10, and together with the housing 10 define a The side frames 14 of the shaded area Z are covered by the stretched curtain net 12 . Wherein, each side frame 14 defines an inner space 140 around, and an anti-lifting track will be provided in the inner space 140. The curtain net 12 includes a net body 121, and two are attached to the left and right sides of the net body 121, The film 122 is used to make the overall retraction of the curtain net 12 more stable and to prevent the curtain net 12 from lifting off the side frame 14 . When the curtain net 12 is stretched away from the outer shell 10 due to the pulling operation of the operating member 13, the net body 121 advances in the inner spaces 140, and the net body 121 is attached to the net body 121. The films 122 can slide respectively in the anti-lifting tracks in the inner spaces 140, so that the curtain net 12 will not be separated from the inner spaces 140 of the side frame 14 due to external impact or strong wind.

In addition, it is considered that foreign objects such as dust and sand may adhere to the curtain net 12 outside the configuration space 100 when it is used for a long time. In order to avoid the accumulation of foreign matter and affect the operation, usually at the exit of the configuration space 100 as shown in Figure 2, an additional cleaning brush bar 19 is provided for relatively moving the curtain 12 while pulling the foreign matter. , so as to prevent the attached foreign matter from being brought into the configuration space 100 when the curtain net 12 is retracted.

However, in the case where the cleaning brush bar 19 is set, although the purpose of removing foreign matter can be achieved, the height of the cleaning brush bar 19 is configured at a height sufficient to achieve a sweeping effect for the net body 121, so an additional attachment The films 122 on the net body 121 will be pushed against by the cleaning brush strip 19, and thus it is easy to wrinkle the net body 121 near the films 122 when the net body 121 is relatively uneven. . If the curtain net 12 continues to be retracted even when the net body 121 is wrinkled, it is easy to make the curtain net 12 unsmoothly unfolded or retracted. At the same time, irreversible creases will be produced on the net body 121, which will affect the appearance and quality, and may even cause unsmooth subsequent operations. Improvements are bound to be made, especially when the net body 121 is used in a reel device with a flip cover. When the side frame 14 is closed, it is easier to cause the net body 121 near the films 122 to wrinkle.

Therefore, the object of the present invention is to provide a rolling screen device and its connection device which can effectively prevent the screen from wrinkling.

Therefore, the connecting device of the scrolling screen device of the present invention includes a main body and a first insertion portion connected with the main body, and a first blocking portion extends from one side of the main body. At least one blocking piece extends from one end of the first blocking portion, and the blocking piece is arranged parallel to and spaced apart from the first blocking portion to form a track.

In addition, the scrolling screen device of the present invention has two side frames, a movable frame, a screen, a scrolling mechanism and a connecting device connected with the side frames. Wherein, the two side frames are arranged in parallel and at intervals. The movable frame can move between the two side frames. The rolling mechanism is fixed between the two side frames, and includes a shell seat with an inner space, and a fixed seat connected with the shell seat. The inner space is provided with a scroll, the scroll is connected to one end of the screen, and the other end of the screen is connected to the movable frame, so that when the movable frame moves between the two side frames, the screen can be displayed between the two side frames or take back. And the connecting device is respectively arranged at two ends of the fixing seat. In addition, at least one end of the reel is further provided with an extension piece, and the extension piece is provided with a channel, and at least one counterweight is further provided in the movable frame.

The effect of the present invention is that even if the screen is attached with a blocking piece that makes the overall retraction more stable and prevents the screen from being lifted off the side frame, the blocking piece and the first blocking portion of each connecting device can The formed track is accommodated by the blocking pieces of the screen, thereby producing the effect of guiding the screen into the side frame and preventing wrinkles from being caused.

Another effect of the present invention is that: the extension part arranged on the reel is provided with a groove, and the design of the groove can not only increase the capacity for accommodating the baffles on the screen, but also increase the length of the screen, and can also guide the baffles of the screen In the space of the channel, the screen can be unfolded or retracted more smoothly.

Another effect of the present invention is that at least one counterweight is provided in the movable frame to increase the weight of the movable frame. Therefore, when the present invention is applied to a motorized scrolling screen device, the movable frame can be raised and lowered smoothly when the screen is unfolded.

Referring to FIG. 3 , it is an embodiment of the scroll screen device of the present invention, which has two side frames 31 arranged parallel to each other at intervals, a movable frame 32 movably arranged between the side frames 31 , and a connecting frame at one end. On the screen 33 of this movable frame 32, a fixed frame 34 (seeing Fig. 5 ) that opposite ends are connected with these side frames 31 respectively, a rolling mechanism 4 for scrolling this screen 33, and two respectively An embodiment of the connection device 5 of the scroll screen device of the present invention connected to the side frames 31 (only one can be seen in FIG. 3 due to viewing angle).

Referring to Fig. 3 and Fig. 4 at the same time, the side frames 31 are respectively provided with an adjustment piece 311 at the opposite end connected to the connecting devices 5, and are respectively provided with a pull wire 312 with one end connected with the adjustment piece 311. As shown in FIG. 4 , the other end of each of the pull wires 312 opposite to the adjusting member 311 first passes through the side frame 31 to go around the movable frame 32 , and then passes through the side frame 31 and the rolling mechanism 4 The connection is fixed. The tension of the pull wires 312 can be adjusted at any time by the adjustment members 311 . At the same time, the tension of the pull wires 312 can be adjusted through the adjustment members 311 to maintain the stable state of the movable frame 32 without inclination.

It should be explained first that the screen 33 in this embodiment includes a curtain net 331 for producing a shading effect, and two blocking pieces 332 disposed parallel to one end surface of the curtain net 331 . Wherein, the positions of the blocking pieces 332 are respectively corresponding to the side frames 31 , and the blocking pieces 332 can be made of flexible materials, such as film, metal sheet, and the like.

Referring to FIG. 5 and in conjunction with FIG. 3 and FIG. 4 , the rolling mechanism 4 includes a housing base 41 having an inner space 410 , a fixing seat 42 connected to the housing base 41 , and a housing seat 42 disposed in the inner space 410 and A reel 49 connected to one end of the screen 33 . Also as shown in FIG. 6 , in this embodiment, extension pieces 491 are respectively provided at opposite ends of the reel 49 (only one end is shown in FIG. 6 ). Each extension piece 491 defines a slot 499 . The groove 499 can accommodate the blocking pieces 332 of the screen 33 when the screen 33 is rolled up on the roll 49 , so that the screen 33 can be rolled up on the roll 49 relatively flatly. In addition, the groove 499 of the extension 491 is not only designed to guide the blocking piece 332 of the screen 33 in the space of the groove 499, but also makes the screen 33 unfold or retract more smoothly, and can further accommodate the screen 33 The capacity of the blocking piece 332 is increased to increase the length of the screen 33, so that the user can use the screen 33 with a longer length.

When operating this embodiment of the scroll screen device of the present invention, because the stay wires 312 can be adjusted respectively through the adjustment members 311 to maintain an appropriate tension, so when the movable frame 32 is manually operated, the movable frame 32 can Hold it stably, and pull the screen 33 in cooperation with the operation of the rolling mechanism 4, so that the screen 33 can be unfolded and retracted more smoothly. In addition, when the scroll screen device of the present invention is applied to the electric function technology, the scroll shaft 49 of the scroll mechanism 4 is provided with a motor (not shown) for providing power to pull the screen 33, and the motor can drive The scroll 49 rotates the screen 33 , and the user can achieve the purpose of unfolding and retracting the screen 33 without manually operating the movable frame 32 . Moreover, at least one counterweight (not shown in the figure) can be additionally installed in the movable frame 32 of the scroll screen device of the present invention, and the stability of the movable frame 32 can be assisted by the weight of the counterweight. , especially when the scroll screen device of the present invention is applied to the technology with electric function, when the screen 33 is unfolded, the movable frame 32 can be kept stable when the movable frame 32 is raised and lowered through the setting of the counterweight.

Referring to FIG. 7 together with FIG. 5 , it is the embodiment of the connection device 5 of the scroll screen device of the present invention. Specifically, in this embodiment, the connection device 5 is respectively arranged on the fixing seat of the scroll mechanism 4 42, and each of the connection devices 5 includes a body 50 and a first plug-in portion 51 connected to the body 50, and a side of the body 50 extends a first stop portion 501, the first A blocking piece 509 extends from one end of the blocking portion 501 , and the blocking piece 509 is arranged parallel to and spaced from the first blocking portion 501 to form a track 500 . Moreover, a second insertion portion 52 is extended from the first blocking portion 501 toward one side of the first insertion portion 51, and a second blocking portion 502 is further extended from one side of the body 50. The second blocking portion The portion 502 is arranged parallel to and spaced from the first blocking portion 501 to form a channel 505 . A third inserting portion 53 extends from the second blocking portion 502 toward one side of the second inserting portion 52 , and the third inserting portion 53 is parallel to and spaced from the second inserting portion 52 .

Referring to Fig. 8 and Fig. 9 together with Fig. 7, in this embodiment, the connection between the connecting device 5 and the side frame 31 is to connect the first socket part 51, the second socket part 52, and the third socket part. The insertion portion 53 is inserted into the inner space 310 of the side frame 31 , but it is not limited thereto. If the connecting device 5 only has the first inserting portion 51 , it can also be inserted into the inner space 310 of the side frame 31 to be connected with the side frame 31 . Then, the caliber of the entry end of the inner space 310 entering the side frame 31 is consistent with the passage opening of the passage 505 of the connecting device 5, therefore, when the screen 33 is retracted through the rolling mechanism 4, The screen 33 can enter the inner space 310 of the side frame 31 to move through the channel 505 of the connecting device 5 .

Referring to Fig. 8 to Fig. 10 again, the track 500 of the connecting device 5 communicates with the anti-lift track 319 located in the inner space 310 of the side frame 31, and the joint of the anti-lift track 319 and the track 500 The distance between them is consistent, therefore, the screen 33 corresponds to the individual blocking pieces 332 of each of the side frames 31, which can be accommodated in the track 500 of the individual connecting device 5, and enter the side through the track 500. The anti-lifting track 319 of frame 31 advances and moves. Under the condition that these baffles 332 can be properly accommodated in the track 500 of the connection device 5 and the anti-lift track 319 of the side frame 31, even if the cleaning brush bar 39 is set as shown in Figure 8, the connection The baffle part 509 of the device 5 can limit the deformation space of the baffle 332 without wrinkling, so that the screen 33 is always maintained in a relatively flat state, so when the screen 33 is retracted, the screen 331 is also It is less likely to cause wrinkles due to the movement of the baffles 332, which not only makes the operation smoother, but also prevents the screen 331 from creases and even affects the service life, even when the screen 331 is subjected to external impact or strong wind When attacking, the screen 33 will not lift off the inner space 310 of the side frame 31.

In summary, the screen scrolling device of the present invention and its connecting device 5, when the embodiment of the connecting device 5 of the screen scrolling device of the present invention is installed, when operating this embodiment of the screen scrolling device of the present invention, the screen The baffles 332 of 33 can be properly accommodated and guided smoothly, thereby avoiding movement and causing the screen 331 to wrinkle, so even if the cleaning of the screen 331 is considered, the cleaning brush bar 39 is installed . It can still ensure the smooth operation of the screen 33 and prolong the service life of the screen 33, and when the screen 331 is hit by external force or strong wind, the screen 33 will not break out from the inner space 310 of the side frame 31. The situation of lifting off. Therefore, can really reach the purpose of the present invention.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

1: Reel device 10: shell 100: configuration space 11: shaft 12: curtain net 121: mesh body 122: film 13: Operating parts 14: side frame 140: inner space 19: Clean the brush strip 31: side frame 310: interior space 311: Adjustment parts 312: pull wire 319: Anti-lift track 32: Activity frame 33: screen 331: curtain net 332: Bracket 34: fixed frame 39:Clean the brush bar 4: Rolling mechanism 41: shell seat 410: inner space 42: Fixed seat 49: scroll 491: extension 499: channel 5: Connection device 50: Ontology 500: track 501: The first block 502: the second gear 505: channel 509: Block part 51: The first socket part 52: The second socket part 53: The third socket

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is a perspective view, illustrates the existing reel device at present; Fig. 2 is a partial schematic diagram, and Fig. 1 illustrates the situation that a velvet strip is additionally installed on the reel device; Fig. 3 is a perspective view illustrating an embodiment of the scroll screen device of the present invention; Fig. 4 is a schematic diagram illustrating that the side frames of this embodiment are respectively provided with a backguy, and the setting state of the backguy; Fig. 5 is a three-dimensional exploded view illustrating a rolling mechanism of this embodiment; Figure 6 is a fragmentary sectional view illustrating one of the reels of the scrolling mechanism; Fig. 7 is a partially enlarged perspective view illustrating an embodiment of the connecting device of the scroll screen device of the present invention; Fig. 8 is a schematic diagram illustrating the relative position between the embodiment of the connecting device of the scroll screen device of the present invention and a screen; Fig. 9 is a cross-sectional view illustrating the condition of one of the shutters of the screen in the track; and Fig. 10 is a schematic diagram illustrating the situation that one of the screen's blocking pieces is in one of the side frames.

31: side frame

32: Activity frame

33: screen

4: Rolling mechanism

5: Connection device

Claims (12)

A connection device for a scrolling screen device, which includes a main body and a first insertion part connected with the main body, and a first stop part extends from one side of the main body, and one end of the first stop part extends at least A blocking part, the blocking part is arranged parallel to and spaced apart from the first blocking part to form a track. The connecting device according to claim 1, wherein a second insertion portion extends from one side of the first stop portion in the direction of the first insertion portion. The connection device as claimed in claim 2, wherein a second stop part is further extended from one side of the main body, and the second stop part is arranged in parallel with the first stop part to form a channel. The connecting device according to claim 3, wherein, the second blocking portion extends toward one side of the second inserting portion with a third inserting portion, and the third inserting portion is connected to the second inserting portion Parallel spacing set. A scroll screen device with a connection device according to any one of claims 1 to 4, which has two side frames, a movable frame, a screen, a scrolling mechanism and a connection device connected with these side frames, wherein the Scroll mechanism includes: A shell seat, which has an inner space, and the inner space is provided with a scroll, the scroll is connected to one end of the screen, and the other end of the screen is connected to the movable frame; and A fixing base is connected with the shell base, and the connecting devices are respectively arranged at two ends of the fixing base. The scrolling screen device as described in claim 5, wherein a fixed frame is further provided, and the two ends of the fixed frame are respectively connected to one end of the side frames. The scroll screen device as claimed in claim 5 or 6, wherein at least one end of the scroll is provided with an extension, and the extension is provided with a groove. The scrolling screen device as claimed in Claim 6, wherein an adjustment member is respectively provided on the ends of the side frames in the opposite direction to the connecting device. The scrolling screen device as claimed in item 7, wherein at least one end surface of the screen is provided with a blocking piece. The scrolling screen device as described in claim 8, wherein each of the side frames is provided with a pull wire, one end of the pull wire is connected to the adjustment member, and the other end of the pull wire goes around the movable frame through the side frame and then connects with the movable frame through the side frame. The rolling mechanism is connected and fixed. The scrolling screen device according to claim 10, wherein at least one counterweight is further provided in the movable frame. The scrolling screen device as claimed in claim 11, wherein the scrolling shaft is further provided with a motor for providing power to pull the screen.

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