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WO2012008701A2 - Store à enroulement automatique présentant une chaîne de sécurité - Google Patents

Store à enroulement automatique présentant une chaîne de sécurité Download PDF

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Publication number
WO2012008701A2
WO2012008701A2 PCT/KR2011/004888 KR2011004888W WO2012008701A2 WO 2012008701 A2 WO2012008701 A2 WO 2012008701A2 KR 2011004888 W KR2011004888 W KR 2011004888W WO 2012008701 A2 WO2012008701 A2 WO 2012008701A2
Authority
WO
WIPO (PCT)
Prior art keywords
strap
chain pulley
gear
winding rod
blind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/004888
Other languages
English (en)
Korean (ko)
Other versions
WO2012008701A3 (fr
Inventor
김정민
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2012008701A2 publication Critical patent/WO2012008701A2/fr
Publication of WO2012008701A3 publication Critical patent/WO2012008701A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/326—Details of cords, e.g. buckles, drawing knobs
    • E06B2009/3265—Emergency release to prevent strangulation or excessive load

Definitions

  • the present invention relates to a roll blind device that can block the inflow of sunlight through the window, and prevent the exposure of indoor privacy, and more particularly, to separate the bottom of the pull string for elevating the blind fabric, and to shorten the length of the string
  • a roll blind device that can block the inflow of sunlight through the window, and prevent the exposure of indoor privacy
  • one side of the safety strap separated from the bottom is used as a descending strap to lower the blind fabric.
  • the side is used as a lifting strap for pulling the blind fabric, and once one side of the safety strap is pulled out, the safety strap is automatically returned to its original position so that it can be easily raised and lowered in a continuous manner. It is about.
  • roll blinds are installed in windows of various buildings, and are used as means for preventing light from outside, controlling lighting in a room, or invading privacy in a room.
  • Such roll blinds typically have one or a plurality of blind fabrics installed in the horizontal direction, which are rolled up on the upper winding rods and stored or rolled up from the winding rods to prevent windows.
  • FIG. 1 An example of such a conventional roll blind 1 is shown in FIG. 1.
  • the conventional roll blind 1 is provided with a driving bracket 12 and a driven bracket 14 on both sides of the frame 10 fixed to a wall or the like, and between the brackets 12 and 14 in the form of pipes.
  • Winding rod 20 is rotatably mounted, the blind fabric 30 is wound around the winding rod 20, the weight 40 is fixed to the lower end of the winding rod 20 by the weight of the weight 40 The blind fabric 30 is unloaded downward from the bottom.
  • the inside of the drive bracket 12 is provided with a chain pulley 50 that is integrally connected to the winding rod 20 and rotated, the chain pulley 50 is pulled such that the pull string 60 is wound Pulling one side of the string 60, the winding rod 20 is rotated through the chain pulley 50, the blind fabric 30 is wound around the winding rod 20 is raised.
  • the chain pulley 50 rotates in the opposite direction while rotating the winding rod 20 in the opposite direction, so that the blind fabric 30 is unwinded from the winding rod 20 and lowered. do.
  • the pull string 60 used by the user to operate to roll up or down the blind fabric 30 is wound around the chain pulley 50 in an endless track shape, the lower end of which is shown in FIG. As it has been, it hangs down long. Therefore, such pull string 60 can cause a very dangerous situation.
  • the pull string 60 of the conventional roll blind (1) device stretched in the endless track type is a trackless rope that is easily hung down below by a child who is often running indoors, or the weak and weak elderly Safety accidents that are seriously injured by falling and falling often occur.
  • the conventional pulling strings 60 stretched in an endless track type are not connected to each other, and the pulling strings 60 are placed high so that they cannot be reached by young children. It is desirable to keep young children or the elderly from getting caught in the strings.
  • the conventional roll blinds 1 shorten the length of the pulling string 60 in this way, and shorten the length thereof.
  • the blind fabric 30 is placed at an appropriate height. In the industry, there is a serious demand for the development of a new technology that cannot solve the problem of safety accidents.
  • An object of the present invention is to solve the conventional problems as described above, and remove the lower end of the pulling string for lifting the blind fabric, shorten the length of the strap smoothly even when placed in a high position out of reach of young children It is possible to provide a roll blind with safety straps that can be fully prevented in advance of safety accidents such as the entanglement of young children in connection with the use of the roll blind by enabling the lifting operation of the car.
  • Another object of the present invention is that one side of the lower end of the safety strap is used as a descending string for lowering the blind fabric, the other side is used as a rising string for pulling the blind fabric, once the lower string or one side of the rising string is pulled once
  • the user can easily lift and lower the blind fabric by using the lower strap or the lift strap, and provide a roll blind having an improved safety strap.
  • the present invention in the roll blind device for storing the blind fabric wound on the take-up rod, or used to unwind from the take-up rod, is wound connected to the chain pulley for rotating the take-up rod,
  • the lower side is separated from one side to form a descending string to pull down the blind fabric, the other side of the safety strap to form a rising strap to wind up the blind fabric;
  • a power is provided between the chain pulley and the rotary gear of the take-up rod and provided with a plurality of ratchets engaged with the rotary gear of the take-up rod so that the take-up rod rotates with the chain pulley by pulling the lowering rope or the rising rope.
  • Positioning the lower detachable safety strap in a high position out of reach of young children including; a return operation unit for rotating the chain pulley reverse rotation around the rotary gear of the take-up rod to return the safety strap without moving the position of the blind fabric, It provides a roll blind having a safety strap configured to adjust the height of the blind fabric by pulling and repositioning the falling or rising strap.
  • the present invention preferably is the safety strap is made of a chain strap coupled to the chain pulley to rotate the chain pulley by the pull operation of the lower strap or the lifting strap, respectively, the stopper is formed at the lower end of the lower strap and the lifting strap Rolling blinds having a safety strap configured to adjust the pull length of the falling strap and the lifting strap to adjust the height of the falling strap and the rising strap so that the falling strap or rising strap does not pass through the chain pulley To provide.
  • connection ring is rotatably fitted to the neck of the rotary gear connected to the winding rod, one side of the connection ring protrudes a number of rotating shafts to the outside of the rotary gear of the winding rod
  • the rotary shafts are arranged at equal intervals in the circumferential direction of the connecting ring, respectively, and the ratchets are rotatably fitted to the rotary shafts, and one driving lever of the ratchet is inserted into and fixed to the inner side of the chain pulley.
  • the chain pulley rotates to incline the ratchet through the driving lever in a rotational direction so that the latching protrusion of the ratchet engages the rotary gear of the winding rod to rotate the winding rod, and lifts the blind fabric. It has a roll blind having.
  • the present invention is preferably the connecting ring is formed at three rotation shafts at equal intervals in the circumferential direction, the insertion hole formed in the center of the ratchet is inserted into each of the rotation shaft, respectively, each ratchet is one side
  • the driving lever is inserted into the space between the engaging jaw formed in pairs on the inner side of the chain pulley, the other side of the ratchet is in close contact with the rotary gear side of the winding rod is formed an arc-shaped locking projection, the arc-shaped locking projection is the both ends of the arc
  • the lifting strap When the lifting strap is pulled down, the rear end of the arc-hanging protrusion descends and the shear rises to engage the rotary gear of the take-up rod. It provides a roll blind with a safety strap configured to reverse the high winding rod to raise the blind fabric.
  • the present invention is preferably a pair of locking jaws of the drive lever and the chain pulley of the connection ring, respectively, to form a curved contact surface to reduce the frictional resistance in the contact surface, the arc-shaped locking projection of the ratchet is both ends of the pointed end
  • a roll blind having a safety strap configured to couple to the teeth of the rotary gear when each inclined toward one side about the axis of rotation of the connection ring.
  • the present invention preferably the return operation is fixedly mounted to the elastic restoring member on one side of the frame rotatably mounted winding rod, one side of the elastic restoring member is fixed to the frame, the other side is rotatable to the winding rod
  • the chain pulley rotates so that the connecting ring rotates integrally
  • the elastic restoring member connected to the connecting ring through the gear part is elastic.
  • the restoring force is accumulated, and when the pulling operation of the lowering or lifting string is released, the chain pulley coupled through the ratchet to the connecting ring is reversed by reversely rotating the connecting ring through the gear part by using the accumulated elastic restoring force.
  • Safety strap configured to retract the lower or elevated strap prior to pulling It provides a roll having blind.
  • the present invention is preferably the first gear is formed integrally with the rear of the connecting ring is disposed rotatably around the take-up rod, the intermediate gear is gearably coupled to the first gear, rotatably connected to the frame And a second gear geared to the intermediate gear and integrally connected to the elastic restoring member to transmit rotation of the connection ring to the elastic restoring member, and to transfer the elastic restoring force of the elastic restoring member to the connecting ring in the reverse direction.
  • a roll blind having a safety strap configured to.
  • the present invention by removing the bottom of the strap lifting the blind fabric to produce a safety strap that can prevent any accidents, shorten the length of the safety strap blind placed in a high position out of reach of children
  • By adjusting the height of the fabric it is possible to obtain an excellent effect that can completely prevent safety accidents such as neck wrap of young children in relation to the use of the roll blind.
  • one side of the lower end of the safety strap is used as a descending strap for lowering the blind fabric
  • the other side is used as a rising strap for pulling the blind fabric, the lower strap or the lifting strap of the blind fabric through the power transmission
  • FIG. 1 is a perspective view showing a roll blind according to the prior art.
  • FIG. 2 is an enlarged cross-sectional view illustrating a structure in which a chain pulley, a ratchet and a rotary gear overlap in a roll blind having a safety strap according to the present invention.
  • FIG. 3 is a side cross-sectional view illustrating a structure in which a chain pulley, a ratchet and a rotary gear overlap in a roll blind having a safety strap according to the present invention.
  • Figure 4 is a detailed cross-sectional view showing each of the important components provided in the roll blind with a safety strap according to the present invention.
  • Figure 5a is a roll blind with a safety strap according to the present invention, when the chain pulley is rotated in the forward direction, the ratchet shear is inclined coupled to the gear of the rotary gear, showing the state of lowering the blind fabric through the forward rotation of the winding rod One enlarged cross section.
  • Figure 5b when the chain pulley is rotated in the reverse direction in the roll blind having a safety strap according to the present invention, coupled to the gear of the rotary gear while the rear end of the ratchet is inclined, showing the state of raising the blind fabric through the reverse rotation of the winding rod It is an enlarged cross section.
  • 6A is an explanatory view showing a home position in which a blind fabric is wound up on a winding rod in a roll blind having a safety strap according to the present invention.
  • 6B is an explanatory view showing a state where the blind fabric is lowered from the take-up rod and pulled down to an intermediate point by pulling the lowering strap in the roll blind having the safety strap according to the present invention.
  • Figure 6c is an explanatory view showing a state in which the descending string is raised by the operation of the return operation portion in the roll blind having a safety strap according to the present invention, the blind fabric is kept in a lowered state.
  • 7A is an explanatory view showing a state where the blind fabric is lowered to a shading state by repeating the descending and descending operation of the blind fabric by pulling down the descending string in the roll blind having the safety strap according to the present invention.
  • 7B is an explanatory view showing a state in which the blind fabric is raised from the shading state to the home position by repeating the raising of the blind fabric by the pulling of the lifting strap in the roll blind having the safety strap according to the present invention.
  • Roll blind 100 having a safety strap according to the present invention, as shown in Figures 2 and 3, the blind fabric 112 is wound around the winding rod 110, the blind fabric 112 of At the bottom, the weight 114 is connected as in the prior art, so that the blind fabric 112 is pulled down from the winding rod 110 by its own weight.
  • And roll blind 100 having a safety strap according to the present invention has a safety strap 120 is separated from the lower end for rotating the winding rod 110, such a safety strap 120 is wound in the middle portion Connected to the chain pulley 130 to rotate the rod 110 is wound, the lower end is separated one side forming a descending string 122 to pull down the blind fabric 112, the other side wound the blind fabric 112
  • the raising rope 124 is achieved.
  • This safety strap 120 is preferably made of a chain cord (chain chain) such a chain strap is coupled to the chain pulley 130 and the lower strap 122 of the front side, or the rear strap The pull operation of 124 causes the chain pulley 130 to rotate forward or reverse.
  • chain cord chain chain
  • stoppers 122a and 124a are fixed to lower ends of the lowering strap 122 and the upper strap 124, respectively, so that the lowering strap 122 or the upper strap 124 does not pass through the chain pulley 130.
  • the stoppers 122a and 124a are made of, for example, a clip member having a diameter larger than the diameter of the safety strap 120, and on the lower strap 122 and the lift strap 124. It may be made of a structure capable of height adjustment. Therefore, it is configured to adjust the pull length of the falling string 122 and the rising string 124 through these stoppers (122a, 124a).
  • the roll blind 100 having a safety strap includes a power transmission unit 150 disposed between the chain pulley 130 and the rotary gear 140 of the take-up rod 110, such power
  • the transmission unit 150 rotates the winding rod 110 together with the chain pulley 130 by the pulling operation of the lowering strap 122 or the rising strap 124 to elevate the blind fabric 112.
  • the power transmission unit 150 is provided with a plurality of ratchet (160) engaging the rotary gear 140 of the winding rod 110, such a ratchet (160) is mounted on the connection ring 170
  • the connection ring 170 is rotatably fitted to the neck 142 of the rotary gear 140 coupled to the take-up rod 110.
  • connection ring 170 is shown in front and side cross-section in Figure 4, one side of the rotary shaft 172 is protruded to the outside of the rotary gear 140 of the winding rod 110, the other As described later, the first gear 202 of the gear portion 200 is integrally connected.
  • the connecting ring 170 is each rotation shaft 172 is disposed at the circumferential equal intervals of the connection ring 170, respectively, the ratchet 160 is rotatably fitted to the rotation shaft 172, respectively. That is, the connecting ring 170 has three rotation shafts 172 formed at equal intervals in the circumferential direction, and the respective fitting holes 162 formed at the centers of the three ratchets 160 are respectively formed at the respective rotation shafts 172. It is inserted to be rotatable.
  • Each ratchet 160 as described above has a space between the locking projections 132a and 132b formed by pairing the driving lever 164 on one side of the chain pulley 130 with the center of the fitting hole 162 at the center thereof. Is inserted into, the other side of the ratchet 160 is in close contact with the rotary gear 140 side of the winding rod 110 is formed an arc-shaped locking projection 166.
  • the arc-shaped latching projection 166 may be moved up and down about the rotating shaft 172 of the connection ring 170, both ends thereof, when the falling string 122 is pulled, as shown in Figure 5a, The front end 166a of the arc-shaped locking protrusion 166 is lowered, and the rear end 166b is raised to engage the front end 166a of the arc-shaped locking protrusion 166 with the rotary gear 140 of the winding rod 110, The winding rod 110 is rotated forward through the rotary gear 140 to lower the blind fabric 112.
  • the arc-shaped catching protrusion 166 of the ratchet 160 is formed at both ends thereof with a pointed end, and is inclined toward one side with respect to the rotation shaft 172 of the connection ring 170, the gear of the rotary gear 140. It's designed to be easy to combine.
  • the chain pulley 130 in which one side driving lever 164 of the ratchet 160 is inserted and fixed inwardly has a pair of locking jaws 132a and 132b therein.
  • the pair of engaging jaws 132a and 132b are formed at three locations corresponding to the respective ratchet 160 positions, and the driving lever of the ratchet 160 is a space between the engaging jaws 132a and 132b.
  • 164 is inserted, and each of the locking projections 132a and 132b has a curved contact surface, and the driving lever 164 also has a curved contact surface in order to reduce frictional resistance at the contact surface.
  • the chain pulley 130 is rotated by hanging the safety strap 120 made of a chain to the outside formed with the engaging jaw (132a, 132b), such a chain pulley 130 is rotated connected to the winding rod 110 It is arranged outside the gear 140.
  • three ratchets 160 fitted to the rotation shaft 172 of the connection ring 170 are disposed inside the chain pulley 130, and a rotary gear of the winding rod 110 is disposed inside the ratchet 160.
  • 140 is disposed so that the rotation operation of the chain pulley 130 is transmitted to the rotary gear 140 side of the take-up rod 110 through the ratchet 160.
  • the pair of engaging jaws 132a and 132b formed on the inner circumferential surface of the chain pulley 130 rotates to drive the ratchet 160, respectively.
  • the locking protrusion 166 of the ratchet 160 is engaged with the rotary gear 140 of the winding rod 110 to rotate the winding rod 110.
  • the blind fabric 112 is raised and lowered.
  • And roll blind 100 having a safety strap according to the present invention includes a return operation section 190 to the original position when the lower strap 122 or the lifting strap 124 is pulled down.
  • the return operation unit 190 includes an elastic restoring member such as a coil spring 192 that accumulates elastic restoring force when the chain pulley 130 rotates by pulling the descending string 122 or the rising string 124.
  • an elastic restoring member such as a coil spring 192 that accumulates elastic restoring force when the chain pulley 130 rotates by pulling the descending string 122 or the rising string 124.
  • the chain pulley 130 is rotated by the accumulated elastic restoring force of the coil spring 192.
  • the safety strap 120 is returned to its original position.
  • the return operation unit 190 is fixedly mounted to the coil spring 192 on one side of the frame 102 on which the winding rod 110 is rotatably mounted.
  • One side of the coil spring 192 is fixed to the frame 102, the other side is connected to the connecting ring 170 rotatably fitted to the winding rod 110 through the gear unit 200 to enable power transmission.
  • Such a gear part 200 is formed integrally with the rear surface of the connection ring 170, the first gear 202 and rotatably disposed around the winding rod 110, the gears to the first gear 202
  • connection ring 170 is integrally rotated and connected to the connection ring 170 through the gear unit 200.
  • the coil spring 192 accumulates the elastic restoring force, and when the pulling operation of the lowering strap 122 or the rising string 124 is released, the connecting ring 170 reversely through the gear unit 200 using the accumulated elastic restoring force. Reverse).
  • connection ring 170 is configured to reversely rotate the chain pulley 130 coupled through the ratchet 160 so as to return the descending string 122 or the rising string 124 to the pulled state.
  • Roll blind 100 having a safety strap according to the present invention configured as described above is shown in Figure 6 and 7, the blind fabric 112 is wound around the winding rod 110, the safety strap 120 is The shading state in which the blind fabric 112 is unloaded from the take-up rod 110 from the initial home position state (see FIG. 6A) in which the front lowering strap 122 and the rear rising strap 124 are stretched side by side in the same length. (See FIG. 7A).
  • the ratchet 160 is fitted to the rotation shaft 172 of the connecting ring 170, the center fitting hole 162, when the drive lever 164 is flipped by the chain pulley 130, the opposite side of the rotation shaft 172
  • the engaging projection 166 is coupled to the rotary gear 140 of the take-up rod 110 while the front end 166a is lowered, and rotates the rotary gear 140 with the chain pulley 130. Therefore, the winding rod 110 is rotated with the rotation of the chain pulley 130, and as a result, the blind fabric 112 wound around the winding rod 110 is lowered by a predetermined length, as shown in FIG. 6B.
  • the elastic restoring force is accumulated in the coil spring 192 of the return operation unit 190. Since the ratchet 160 connected to the chain pulley 130 rotates together with the chain pulley 130, the ratchet 160 is inserted into the coil spring 192.
  • the connecting ring 170 is also rotated around the winding rod 110, rotates the intermediate gear 204 through the first gear 202 of the gear portion 200, coil coil through the second gear 206 Rotate one side of (192). Therefore, since the coil spring 192 is fixed to the frame 102 at the other side, the elastic restoring force is accumulated by the rotation of the second gear 206. At this time, the pulling length of the lower strap 122 is pulled by the user is adjusted by the stopper (122a) (124a) provided in the rising strap 124 of the safety strap 120.
  • the blind fabric 112 is lowered as it is.
  • the chain pulley 130 is reversely rotated so that the front lowering strap 122 of the safety strap 120 is raised to its original position.
  • connection ring 170 reversely rotates
  • the ratchet 160 also reversely rotates.
  • the ratchet 160 receives the reverse rotational power at the fitting hole 162 through the rotation shaft 172, the obstacle on the lower side.
  • the machine 166 is rotated to the opposite side to be pulled out of the gear of the rotary gear 140, and to ride over the circumference of the rotary gear 140.
  • the lower string 122 is pulled down again by the user, as described with reference to FIG. 6B.
  • the ratchet 160 is coupled to the rotary gear 140 of the take-up rod 110, and the rotary gear 140 is rotated together with the chain pulley 130 to the take-up rod 110.
  • the wound blind fabric 112 is lowered a certain length again.
  • the coil spring 192 of the return operation unit 190 rotates the second ring 206 on one side through the gear unit 200 while the connection ring 170 rotates to accumulate elastic restoring force again.
  • the pulling state of the lowering strap 122 is released.
  • the coil spring 192 is removed.
  • the chain pulley 130 is reversely rotated through the elastic restoring force, and as a result, the lowering strap 122 is raised again to return to the original position.
  • the lowering string 122 is pulled back down, and the pulling force is released to lower and lower the lowering string 122, and the pulling string 122 is repeatedly operated.
  • the blind fabric 112 can be easily lowered to the desired light shielding position.
  • the roll blind 100 having a safety strap according to the present invention can easily open the window by raising the blind fabric 112 from such a shading state, in which case the lifting strap 124 of the safety strap 120 Will be used.
  • the ratchet 160 is fitted to the rotation shaft 172 of the connecting ring 170, the center fitting hole 162, when the drive lever 164 is folded back by the chain pulley 130, the rotation shaft 172
  • the engaging projection 166 on the opposite side is coupled to the rotary gear 140 of the take-up rod 110 while the rear end thereof descends, and rotates the rotary gear 140 together with the chain pulley 130. Therefore, the winding rod 110 is reversely rotated together with the reverse rotation of the chain pulley 130, and as a result, the blind fabric 112 wound around the winding rod 110 is raised by a predetermined length as shown in FIG. 7B.
  • the elastic restoring force is accumulated in the coil spring 192 of the return operation unit 190.
  • the ratchet 160 since the ratchet 160 connected to the chain pulley 130 rotates backward with the chain pulley 130, the ratchet 160 is rotated.
  • the fitted connecting ring 170 is also reversely rotated around the winding rod 110, reversely rotates the intermediate gear 204 through the first gear 202 of the gear portion 200, and the second gear 206. Reversely rotates one side of the coil spring 192 through.
  • the user stops pulling the lifting string 124, in which case the blind fabric 112 is positioned in an elevated state, and the chain pulley ( Only 130 is rotated forward in the opposite direction so that the rear lifting strap 124 of the safety strap 120 is raised to its original position.
  • connection ring 170 rotates forward
  • the ratchet 160 is also rotated forward.
  • the ratchet 160 receives a rotational force at the fitting hole 162 through the rotation shaft 172, and thus, the lower projection of the lower side.
  • the gear 166 is removed from the gear of the rotary gear 140, and the vehicle 166 moves forward in the forward direction of the rotary gear 140.
  • the chain pulley 130 rotates backwards.
  • the blind fabric 112 is coupled to the rotary gear 140 of the take-up rod 110 through the ratchet 160, and wound around the take-up rod 110 by rotating the rotary gear 140 together with the chain pulley 130. Increase the length again.
  • the coil spring 192 of the return operation unit 190 causes the connection ring 170 to rotate in reverse, so that the second gear 206 on one side reversely rotates through the gear unit 200 to accumulate elastic restoring force again.
  • the present invention separates the lower end of the strap for elevating the blind fabric 112 to shorten the length of the cord so that the height of the blind fabric 112 can be adjusted in a state where it is positioned at a high position out of reach of young children.
  • the use of the blind 100 it is possible to completely prevent the safety accidents such as the neck of the young children in advance.
  • one side of the lower end of the safety strap 120 is used as a descending strap 122 for lowering the blind fabric 112, the other side is used as the lifting strap 124 pulling the blind fabric 112.
  • the user adjusts the height of the blind fabric 112 through the power transmission unit 150 by pulling the lower string 122 or the elevated string 124, and the lower string 122 pulled through the return operation unit 190 or
  • the blind fabric in the use of the roll blind 100 by having the lift strap 124 in place and then allowing the user to easily lift the blind fabric 112 by repeatedly pulling the down strap 122 or the lift strap 124.
  • the convenience of easily raising and lowering 112 can be obtained.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

L'invention concerne un store à enroulement automatique présentant une chaîne de sécurité dont la partie inférieure élève et abaisse un tissu de store séparé de ladite chaîne. La longueur de la chaîne est raccourcie de sorte que la chaîne se trouve dans une position suffisamment haute pour être hors de portée des mains des enfants. L'utilisation d'un tel store à enroulement automatique présente d'excellents avantages: il permet d'éviter tout risque d'accident, notamment il supprime tout risque d'enroulement de la chaîne autour du cou d'un enfant.
PCT/KR2011/004888 2010-07-14 2011-07-04 Store à enroulement automatique présentant une chaîne de sécurité Ceased WO2012008701A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0068047 2010-07-14
KR1020100068047A KR101213737B1 (ko) 2010-07-14 2010-07-14 안전 끈을 갖는 롤 블라인드

Publications (2)

Publication Number Publication Date
WO2012008701A2 true WO2012008701A2 (fr) 2012-01-19
WO2012008701A3 WO2012008701A3 (fr) 2012-05-18

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Application Number Title Priority Date Filing Date
PCT/KR2011/004888 Ceased WO2012008701A2 (fr) 2010-07-14 2011-07-04 Store à enroulement automatique présentant une chaîne de sécurité

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KR (1) KR101213737B1 (fr)
WO (1) WO2012008701A2 (fr)

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KR101289531B1 (ko) * 2012-03-23 2013-07-24 김정민 무소음 듀얼롤 블라인드장치
KR101386326B1 (ko) * 2012-10-12 2014-04-17 권형철 블라인드의 줄 정리 장치
KR20160095007A (ko) * 2013-10-17 2016-08-10 유상원 블라인드 구동장치
KR101668945B1 (ko) * 2015-03-12 2016-10-24 유상원 블라인드의 양방향 구동장치

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IT1214258B (it) 1987-01-27 1990-01-10 Secco Ind Spa Dispositivo per la chiusura automatica in caso di incendio di serramenti con ante scorrevoli verticalmente.
KR19990087945A (ko) * 1998-05-04 1999-12-27 김을식 상하개폐가가능한수직형블라인드
JP4440802B2 (ja) * 2005-02-28 2010-03-24 株式会社ニチベイ ブラインド
CN101641488B (zh) * 2007-01-29 2012-11-07 亨特道格拉斯有限公司 一种用于建筑物开口的可收缩的覆盖物

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