CN110792384B - Curtain device with freely adjustable shielding position - Google Patents

Curtain device with freely adjustable shielding position Download PDF

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Publication number
CN110792384B
CN110792384B CN201910865585.6A CN201910865585A CN110792384B CN 110792384 B CN110792384 B CN 110792384B CN 201910865585 A CN201910865585 A CN 201910865585A CN 110792384 B CN110792384 B CN 110792384B
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China
Prior art keywords
rod
driving
screw
curtain
sliding block
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CN201910865585.6A
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Chinese (zh)
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CN110792384A (en
Inventor
熊圣东
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Ningbo Xianfeng New Material Co Ltd
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Ningbo Xianfeng New Material Co Ltd
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Priority to CN201910865585.6A priority Critical patent/CN110792384B/en
Publication of CN110792384A publication Critical patent/CN110792384A/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/44—Rollers therefor; Fastening roller blinds to rollers
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B2009/405—Two rollers

Abstract

The invention relates to the technical field of rolling curtain devices, and discloses a curtain device with a freely adjustable shielding position, which comprises: the mounting rack is provided with an accommodating cavity and comprises a left guide rail and a right guide rail; the left guide rail is provided with a first mounting groove and a first sliding groove; the right guide rail is provided with a second mounting groove and a second sliding groove; the transmission assembly comprises a first screw rod, the bottom of the first screw rod is connected with a first gear, and a left sliding block is connected to the first screw rod; the bottom of the second screw is connected with a second gear, and the second screw is connected with a right sliding block; a drive member for driving the first gear and the second gear; the curtain comprises a curtain and a suspension assembly, wherein the suspension assembly comprises a first suspension rod, a second suspension rod and a support rod; and the roller shutter assembly is used for driving the first hanging rod or the second hanging rod to rotate. The curtain lifting mechanism has the advantages that the left sliding block and the right sliding block can move up and down to drive the curtain to lift up and down; a roller shade assembly is rollable into a window covering; the shielding position of the curtain device can be adjusted at will.

Description

Curtain device with freely adjustable shielding position
Technical Field
The invention relates to the technical field of rolling curtain devices, in particular to a curtain device with a freely adjustable shielding position.
Background
The sun-shading curtain is a necessary tool for living furniture of people, and in hot summer, the sun is blocked by the sun-shading curtain, so that the temperature in a room or a vehicle is not too high, and the sun-shading curtain is popular with residents and drivers. When in use, the sun-shading curtain is opened to shade the sunlight; when not in use, the sun-shading curtain is folded, and the sight line and the light rays are not blocked.
In the existing curtain device, the bead chain type driving is a common mode, and the shielding area of the curtain is changed by controlling the position of the top end of the curtain; for some occasions with special requirements, such as: the window needs to be transparent in the top area and shielded in the bottom area, and the common bead chain type curtain device cannot realize the purpose.
As disclosed in publication "CN 105888522B", an electric rolling shutter device is provided: the transmission gear meshed with the flexible transmission rack is arranged near the tail end of the guide rail, so that the flexible transmission rack between the transmission gear and the pull rod head on the roller shutter is in a straight line, the power of the motor is directly transmitted to the transmission gear through transmission parts with higher transmission efficiency, such as a transmission shaft or a chain transmission pair, and the like, and then is linearly transmitted to the pull rod through the flexible transmission rack, and the roller shutter is rolled up and unfolded. The electric roller shutter device can not realize that the shielding position can be adjusted at will, and can not meet the use requirements of users in some special occasions.
In view of the above-mentioned disadvantages of the existing curtain devices, it is necessary to design a curtain device with a freely adjustable shielding position and easy adjustment.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a curtain device with simple adjustment and freely adjustable shielding position.
The invention solves the technical problem and adopts the technical proposal that a curtain device with freely adjustable sheltering position is provided, which comprises:
the mounting rack is provided with an accommodating cavity and comprises a left guide rail and a right guide rail; the left guide rail is provided with a first mounting groove communicated with the accommodating cavity, and the left guide rail is provided with a first sliding groove; the right guide rail is provided with a second mounting groove communicated with the accommodating cavity, and the right guide rail is provided with a second sliding groove;
a drive assembly, comprising: the first screw is arranged in the first mounting groove, the bottom of the first screw is connected with a first gear, and the first screw is connected with a left sliding block driven by the first screw; the bottom of the second screw is connected with a second gear, and the second screw is connected with a right sliding block driven by the second screw; the driving piece is arranged in the accommodating cavity and used for driving the first gear and the second gear, and one end of the driving piece extends out of the accommodating cavity;
the curtain comprises a curtain and a hanging assembly, wherein the hanging assembly comprises a first hanging rod, a second hanging rod and a support rod; the first suspension rod and the second suspension rod are both arranged between the left sliding block and the right sliding block; one end of the stay bar is arranged in the first sliding groove, and the other end of the stay bar is arranged in the second sliding groove; one end of the curtain is connected with the first hanging rod, and the other end of the curtain downwards penetrates through the support rod and is connected with the second hanging rod;
and the left sliding block and/or the right sliding block are/is provided with a roller shutter assembly for driving the first hanging rod or the second hanging rod to rotate.
Further, the roller shutter assembly comprises a rotating frame and a bead chain for driving the rotating frame; the rotating frame is sleeved on the first suspension rod or the second suspension rod, and a clamping groove for mounting the bead chain is formed in the rotating frame; the bead chains are arranged in the clamping grooves.
Furthermore, a plurality of support arms are uniformly distributed on the rotating frame along the circumferential direction, and each support arm is provided with a clamping groove; the bead chain comprises a plurality of beads, and the beads are arranged between two adjacent support arms.
Furthermore, an elastic sheet is arranged on the left sliding block and/or the right sliding block and is positioned between two adjacent support arms on the rotating frame.
Further, the window curtain comprises a light-transmitting section and a light-shading section.
Further, the transmission assembly further comprises a left bracket and a right bracket which are arranged in the accommodating cavity; the first screw rod is installed on the left support, the second screw rod is installed on the right support, the driving piece is installed on the left support and the right support, and the driving piece is perpendicular to the first screw rod and the second screw rod.
Further, the driving part comprises a driving rod, a first driving disk and a second driving disk, wherein the first driving disk and the second driving disk are connected to the driving rod; the first driving disc is meshed with the first gear, and the second driving disc is meshed with the second gear; one end of the driving rod extends out of the accommodating cavity, and the end is provided with a driving handle.
Further, the cross sections of the left bracket and the right bracket are in a [ -shape and are provided with an opening; the opening of the left bracket and the opening of the right bracket face opposite directions.
Furthermore, the device also comprises a first spring and a second spring; the first spring is sleeved on the first screw rod and is positioned above the left bracket and below the left sliding block; the second spring is sleeved on the second screw rod and is positioned above the right support and below the right sliding block.
Further, a connecting piece is arranged between the left guide rail and the right guide rail, and a plurality of through holes are formed in the connecting piece.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the curtain driving device, the driving handle is rotated, the first driving disc and the second driving disc on the driving rod respectively drive the first screw rod and the second screw rod, and further the left sliding block and the right sliding block are driven to move up and down, so that the position of a curtain can be changed; the first suspension rod can be rotated by pulling the bead chains, so that the curtain is curled or released, the support rod moves up and down in the first sliding groove and the second sliding groove, the shielding position of the curtain is changed, and similarly, the second suspension rod can also be manually rotated to curl or release the curtain, so that the shielding position of the curtain is changed. The adopted curtain comprises a light transmitting section and a light shielding section, and the relative positions of the light transmitting area and the light shielding area are changed by rotating the first hanging rod or the second hanging rod, so that occasions with special light shielding requirements can be met, such as light transmission at the upper part and light shielding at the lower part of the window. Be provided with the shell fragment on left slider or right slider, and the shell fragment is in between two arms of rotating turret, no matter be clockwise pulling rotating turret or anticlockwise pulling rotating turret, the shell fragment all can produce a damping to the rotating turret, and this damped existence can make the (window) curtain can not take place the lapse because of the action of gravity, and the reliability is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention with the window covering removed;
FIG. 2 is a schematic view of the overall structure of the present invention (left and right sliders at the top end);
FIG. 3 is a schematic view of the overall structure of the present invention (left and right sliders at the bottom end);
FIG. 4 is a schematic view of the structure with the mounting bracket and the window covering removed;
FIG. 5 is a schematic view of the structure of FIG. 2 with the mounting bracket and window covering removed;
FIG. 6 is a schematic view of the structure of FIG. 3 with the mounting bracket and window covering removed;
FIG. 7 is a schematic view of the assembly of the first and second hanger bars and the left and right sliders and the roller shade assembly;
FIG. 8 is a schematic structural view of FIG. 7 with the right slider removed;
FIG. 9 is a schematic front view of FIG. 7;
FIG. 10 is a cross-sectional view of FIG. 9 taken along the arrows;
FIG. 11 is a schematic view of a turret;
FIG. 12 is a schematic view of the construction of the mounting bracket;
FIG. 13 is a schematic view of the structure of FIG. 12 from another perspective;
fig. 14 is a schematic structural diagram of the right slider.
In the figure, 1, a mounting frame; 10. an accommodating chamber; 11. a left guide rail; 12. a right guide rail; 13. a connecting member; 110. a first mounting groove; 111. a first chute; 120. a second mounting groove; 121. a second chute; 130. a through hole;
2. a transmission assembly; 20. a first screw; 21. a second screw; 22. a left slider; 23. a right slider; 25. a left bracket; 26. a right bracket; 201. a first gear; 211. a second gear; 231. a spring plate; 240. a drive rod; 241. a first drive disk; 242. a second drive disc; 243. a drive handle; 256. an opening;
3. (ii) a curtain;
4. a suspension assembly; 40. a first suspension bar; 41. a second suspension bar; 42. a stay bar;
5. a roller blind assembly; 51. a rotating frame; 52. a bead chain; 510. a support arm; 5101. a card slot; 520. a chain ball; 60. a first spring; 70. a second spring.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, a window covering device whose covering position can be arbitrarily adjusted includes: the curtain comprises a mounting frame 1, a transmission component 2, a curtain 3, a suspension component 4, a curtain rolling component 5, a first spring 60 and a second spring 70.
As shown in fig. 12-13, the mounting bracket 1 with the accommodating cavity 10 comprises a left guide rail 11 and a right guide rail 12; the left guide rail 11 is provided with a first mounting groove 110 communicated with the accommodating cavity 10, and the left guide rail 11 is provided with a first sliding groove 111; the right guide rail 12 is provided with a second mounting groove 120 communicated with the accommodating cavity 10, and the right guide rail 12 is provided with a second sliding groove 121; in the scheme, the first mounting groove 110 and the second mounting groove 120 are symmetrically arranged and are parallel to each other; the first sliding groove 111 and the second sliding groove 121 are also symmetrically arranged and are parallel to each other, so that the left sliding block 22, the right sliding block 23 and the support rod 42 are ensured to move smoothly in a lifting mode, and the blocking feeling is small. A round hole is opened on the side of the mounting rack 1, and one end of the driving rod 240 on the driving member passes through the round hole and extends out of the accommodating cavity 10.
As shown in fig. 4-6, the transmission assembly 2 includes: the device comprises a first screw 20, a second screw 21, a left slide block 22, a right slide block 23, a driving piece, a left bracket 25 and a right bracket 26.
The first screw 20 is disposed in the first mounting groove 110, the bottom of the first screw 20 is connected with a first gear 201, the first gear 201 and the first screw 20 can be disposed in a split manner, and can also be disposed integrally, the first screw 20 is connected with a left slider 22 driven by the first screw 20, specifically, the first screw 20 is in threaded connection with the left slider 22, and the first screw 20 rotates to further drive the left slider 22 to ascend or descend.
The second screw 21 is disposed in the second mounting groove 120, and a second gear 211 is connected to the bottom of the second screw 21, wherein the second gear 211 and the second screw 21 may be disposed separately or integrally, a right slider 23 driven by the second screw 21 is connected to the second screw 21, specifically, the second screw 21 and the right slider 23 are also connected by a thread, and the second screw 21 rotates to drive the right slider to ascend or descend.
A driving member disposed in the accommodating chamber 10 and used for driving the first gear 201 and the second gear 211, one end of the driving member extending out of the accommodating chamber 10; specifically, the driving member includes a driving rod 240 and a first driving disk 241 and a second driving disk 242 connected to the driving rod 240; the first driving disk 241 is in meshing transmission with the first gear 201, and the second driving disk 242 is in meshing transmission with the second gear 211; one end of the driving rod 240 protrudes out of the accommodating chamber 10, and the end has a driving handle 243; the driving handle 243 and the driving rod 240 are integrally disposed, and the first driving disk 241 and the second driving disk 242 may be integrally disposed with the driving rod 240 or separately disposed. All have a plurality of projections on first driving-disc 241 and the second driving-disc 242, both all drive first gear 201 and second gear 211 through the projection, compare in the vertical drive between two bevel gears, and this scheme adopts projection drive gear's mode, and its life is longer, is difficult for appearing the condition that the gear root splits.
During adjustment, the driving handle 243 is rotated to drive the driving rod 240 to rotate, so as to drive the first driving disk 241 and the second driving disk 242 to rotate, the first gear 201 and the second gear 211 are meshed for transmission, and the first screw 20 and the second screw 21 are driven to rotate, and because the rotational freedom degrees of the left slider 22 and the right slider 23 are limited by the mounting frame 1, the left slider 22 and the right slider 23 can only ascend or descend, so that the curtain 3 can ascend or descend.
As shown in fig. 2-4 and fig. 7-11 and 14, the window covering 3 and the hanging module 4, the hanging module 4 comprises a first hanging rod 40, a second hanging rod 41 and a support rod 42; the first and second suspension rods 40 and 41 are both arranged between the left and right sliders 22 and 23; one end of the stay 42 is disposed in the first sliding groove 111, and the other end of the stay 42 is disposed in the second sliding groove 121; specifically, two ends of the stay bar 42 are respectively provided with a limiting circular truncated cone, so that the stay bar 42 can be effectively prevented from being separated from the first sliding groove 111 and the second sliding groove 121. One end of the curtain 3 is connected with the first hanging rod 40, and the other end of the curtain 3 downwards passes through the support rod 42 and is connected with the second hanging rod 41, so that one end of the curtain 3 is connected with the first hanging rod 40, the other end of the curtain 3 is connected with the second hanging rod 41, the middle part of the curtain 3 is spread by the support rod 42, and the curtain 3 is spread by the gravity of the support rod 42.
The left sliding block 22 and/or the right sliding block 23 are/is provided with a roller shutter assembly 5 for driving the first hanging rod 40 or the second hanging rod 41 to rotate, and the roller shutter assembly 5 has the same effect by driving the first hanging rod 40 or the second hanging rod 41; the present embodiment will be described in detail only with respect to the manner in which the first hanging bar 40 is driven by the roller shutter assembly 5, and the other manner is similar to the present embodiment. Similarly, since the rolling shutter unit 5 is provided on the left slider 22 side or the right slider 23 side with the same effect, the present embodiment will be described in detail only with respect to the rolling shutter unit 5 provided on the right slider 23 side, and the present embodiment is similar to the present embodiment with respect to the rolling shutter unit 5 provided on the left slider 22 side.
The roller shutter assembly 5 comprises a rotating frame 51 and a bead chain 52 for driving the rotating frame 51; the rotating frame 51 is sleeved on the first hanging rod 40, and a clamping groove 5101 for mounting the bead chain 52 is formed in the rotating frame 51; the bead chain 52 is mounted in the clamping groove 5101. Specifically, a plurality of support arms 510 are uniformly distributed on the rotating frame 51 along the circumferential direction, and each support arm 510 is provided with a clamping groove 5101; the bead chain 52 includes a plurality of beads 520, and the beads 520 are disposed between two adjacent support arms 510. The leading-in positions of the clamping grooves 5101 are provided with round corners, and the ball chains 52 are conveniently installed in the clamping grooves 5101.
Preferably, as shown in fig. 10, the elastic piece 231 is disposed on the right slider 23, and the elastic piece 231 is located between two adjacent support arms 510 on the rotating frame 51, and no matter the rotating frame 51 is pulled clockwise or the rotating frame 51 is pulled counterclockwise, the elastic piece 231 is forced to deform, and overcomes the elastic force of the elastic piece 231, and the elastic piece 231 generates a damping to the rotation of the rotating frame 51, and the existence of the damping can prevent the window curtain 3 from sliding downward due to its own gravity and the gravity of the support rod 42 when the window curtain is stationary, and has high reliability. The curtain 3 comprises a light transmitting section and a light shading section, and the relative positions of the light transmitting section and the light shading section can be adjusted to meet special requirements, such as transmitting light at the upper part of the window and shading light at the lower part of the window.
When the curtain winding machine works, when the curtain 3 needs to be wound or released, the bead chains 52 can be pulled to drive the rotating frame 51 to rotate, so that the rotating frame 51 overcomes the resistance of the elastic sheets 231 to rotate, and the rotating frame 51 drives the first hanging rod 40 to rotate to wind or release the curtain 3; similarly, the other end of the curtain 3 can be curled or released by manually rotating the second hanging rod 41; the relative positions of the light-transmitting section and the light-shielding section can be changed by rotating the first hanging rod 40 and the second hanging rod 41, so that the shielding position of the curtain device can be changed.
Preferably, as shown in fig. 4, the transmission assembly 2 further comprises a left bracket 25 and a right bracket 26 disposed in the accommodating chamber 10; the first screw 20 is arranged on the left bracket 25, the second screw 21 is arranged on the right bracket 26, the driving piece is arranged on the left bracket 25 and the right bracket 26, and the driving piece, the first screw 20 and the second screw 21 are vertically arranged; wherein, the cross section of the left bracket 25 and the right bracket 26 is in a [ "shape, and both are provided with an opening 256; the opening 256 of the left bracket 25 and the opening 256 of the right bracket 26 face opposite directions. The left bracket 25 and the right bracket 26 support the first screw 20, the second screw 21 and the driving member 24 to ensure reliable transmission and difficult displacement.
Wherein, the curtain device also comprises a first spring 60 and a second spring 70; the first spring 60 is sleeved on the first screw 20, the first spring 60 is positioned above the left bracket 25, and the first spring 60 is positioned below the left slider 22; the second spring 70 is sleeved on the second screw 21, the second spring 70 is located above the right bracket 26, and the second spring 70 is located below the right slider 23. When the curtain 3 is not needed, the left slide block 22, the right slide block 23, the first hanging rod 40, the second hanging rod 41 and the curtain 3 can be lowered to the position shown in fig. 3 by rotating the driving handle 243, and then the curtain is folded; however, when the handle reaches the bottom end again, since the position cannot be detected, if a large force is continuously applied to the first screw 20 and the second screw 21, the mechanism is easy to fail, so that the first spring 60 and the second spring 70 are respectively sleeved on the first screw 20 and the second screw 21, when the left slider 22 and the right slider 23 descend to the bottom, a pressure is applied to the first spring 60 and the second spring 70, and at this time, an operator feels a remarkable blocking feeling, namely, the handle is not rotated continuously, so that the transmission mechanism is protected.
Preferably, a connecting member 13 is disposed between the left guide rail 11 and the right guide rail 12, and a plurality of through holes 130 are opened on the connecting member 13, so that the mounting bracket 1 can be mounted on the frame of the window by passing a plurality of screws through the through holes 130.
In the working process, the driving handle 243 is rotated to drive the first driving disk 241 and the second driving disk 242 to rotate, the first driving disk 241 drives the first gear 201 to rotate, the second driving disk 242 drives the second gear 211 to rotate, the first gear 201 drives the first screw 20 to rotate, the second gear 211 drives the second screw 21 to rotate, the first screw 20 drives the left slider 22 to move up and down, the second screw 21 drives the right slider 23 to move up and down, and when the left slider 22 and the right slider 23 move to the desired positions, the driving handle 243 stops rotating; then, the bead chain 52 is pulled to further drive the rotating frame 51 to rotate, so as to curl or release the curtain 3, further change the relative position of the light shielding section and the light transmitting section, when the light shielding position of the curtain 3 is adjusted to a desired position, the bead chain 52 is stopped being pulled, and the curtain 3 cannot move by itself under the action of the elastic sheet 231.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (2)

1. A curtain device with freely adjustable sheltering position is characterized by comprising:
the mounting rack is provided with an accommodating cavity and comprises a left guide rail and a right guide rail; the left guide rail is provided with a first mounting groove communicated with the accommodating cavity, and the left guide rail is provided with a first sliding groove; the right guide rail is provided with a second mounting groove communicated with the accommodating cavity, and the right guide rail is provided with a second sliding groove;
a drive assembly, comprising: the first screw is arranged in the first mounting groove, the bottom of the first screw is connected with a first gear, and the first screw is connected with a left sliding block driven by the first screw; the bottom of the second screw is connected with a second gear, and the second screw is connected with a right sliding block driven by the second screw; the driving piece is arranged in the accommodating cavity and used for driving the first gear and the second gear, and one end of the driving piece extends out of the accommodating cavity;
the curtain comprises a curtain and a suspension assembly, wherein the suspension assembly comprises a first suspension rod, a second suspension rod and a support rod; the first suspension rod and the second suspension rod are both arranged between the left sliding block and the right sliding block; one end of the stay bar is arranged in the first sliding groove, and the other end of the stay bar is arranged in the second sliding groove; one end of the curtain is connected with the first hanging rod, and the other end of the curtain downwards penetrates through the support rod and is connected with the second hanging rod;
the left sliding block and/or the right sliding block are/is provided with a roller shutter assembly for driving the first hanging rod or the second hanging rod to rotate; the roller shutter assembly comprises a rotating frame and a bead chain for driving the rotating frame; the rotating frame is sleeved on the first suspension rod or the second suspension rod, and a clamping groove for mounting the bead chain is formed in the rotating frame; the bead chains are arranged in the clamping grooves; a plurality of support arms are uniformly distributed on the rotating frame along the circumferential direction, and each support arm is provided with a clamping groove; the bead chain comprises a plurality of beads, and the beads are arranged between every two adjacent support arms; the left sliding block and/or the right sliding block are/is provided with elastic pieces, and the elastic pieces are positioned between two adjacent support arms on the rotating frame;
the transmission assembly further comprises a left bracket and a right bracket which are arranged in the accommodating cavity; the first screw rod is arranged on the left bracket, the second screw rod is arranged on the right bracket, the driving piece is arranged on the left bracket and the right bracket, and the driving piece, the first screw rod and the second screw rod are vertically arranged; the driving piece comprises a driving rod, a first driving disk and a second driving disk, wherein the first driving disk and the second driving disk are connected to the driving rod; the first driving disc is meshed with the first gear, and the second driving disc is meshed with the second gear; one end of the driving rod extends out of the accommodating cavity and is provided with a driving handle;
a first spring and a second spring; the first spring is sleeved on the first screw rod and is positioned above the left bracket and below the left sliding block; the second spring is sleeved on the second screw rod and is positioned above the right bracket and below the right sliding block;
the cross sections of the left bracket and the right bracket are in a [ -shape and are provided with an opening; the opening of the left bracket and the opening of the right bracket face opposite directions;
the curtain comprises a light transmitting section and a light shading section, and the relative positions of the light transmitting area and the light shading area are changed by rotating the first hanging rod or the second hanging rod, so that the upper part of the window can transmit light and the lower part of the window can shade light.
2. The curtain device with the freely adjustable sheltering position according to claim 1 is characterized in that a connecting piece is arranged between the left guide rail and the right guide rail, and a plurality of through holes are arranged on the connecting piece.
CN201910865585.6A 2019-09-09 2019-09-09 Curtain device with freely adjustable shielding position Active CN110792384B (en)

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CN111891883A (en) * 2020-07-28 2020-11-06 景才礼 Accessible lift platform shelters from subassembly
CN112095871B (en) * 2020-09-26 2021-10-12 深圳市瑞玮工程有限公司 Environment-friendly building curtain
CN112459693A (en) * 2020-11-23 2021-03-09 浙江安防职业技术学院 Intelligent curtain rolling device for smart home
CN114087560A (en) * 2021-11-26 2022-02-25 深圳市洋明达科技有限公司 Photocuring 3D printer base light diffusion structure

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US5785105A (en) * 1995-11-13 1998-07-28 Crider; Grant W. Sealable curtain
CN2729286Y (en) * 2004-09-14 2005-09-28 李钢 Rolling type curtain capable of adjusting bright
FR2943715B1 (en) * 2009-03-31 2016-07-01 Vision Systems Aeronautics STORAGE ASSEMBLY, IN PARTICULAR FOR AN AIRCRAFT DOOR, COMPRISING MEANS FOR MAINTAINING VOLTAGE
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