KR200325687Y1 - A power suppling structure for the vertical blind's carrier - Google Patents

Abstract

The present invention relates to a vertical blind that is installed in the window frame to block the light through the window according to the user's operation, in particular, the support rod coupled to the sunshade member in the carrier for moving the sunshade member to the left and right direction as two members The present invention relates to a carrier power transmission structure of a vertical blind that is made to be rotatably fastened to each other so that different degrees of rotation are compensated when rotating the sunshade member to achieve the same rotational motion.

Carrier power transmission structure of the vertical blind according to the present invention is a plurality of housings installed to slide along the guide rail, rotatably installed in the housing, the support rod is installed on the bottom of the sunshade, the support rod is geared, the rotating angle rod In the carrier of the vertical blind containing a worm penetrating the worm to provide a rotational force, the support rod is a worm wheel rotatably installed, the braking means is formed between the support rod and the housing so that the support rod does not rotate over a certain angle It features.

Description

A power suppling structure for the vertical blind's carrier}

The present invention relates to a vertical blind that is installed in the window frame to block the light through the window according to the user's operation, in particular, the support rod coupled to the sunshade member in the carrier for moving the sunshade member to the left and right direction as two members The present invention relates to a carrier power transmission structure of a vertical blind that is made to be rotatably fastened to each other so that different degrees of rotation are compensated when rotating the sunshade member to achieve the same rotational motion.

Vertical blinds according to the prior art, the guide rail is installed in the left and right in the left and right direction on the top of the window frame, is disposed in the left and right in the guide rail in a long direction, rotatably installed rod, and slide along the rotary angle bar A plurality of carriers installed at the bottom, and a pulley connected to each of the carriers, a pullout line connected to each of the carriers to allow the user to move the carrier in the left and right directions, and the pullout line is struck down in the guide rail. It includes a weight member installed at the bottom of the pull-out string to prevent the opening, the opening and closing ball line for adjusting the angle of the sunshade, and the drive unit is connected to the pull-out line and the opening and closing ball line to drive the carrier do.

1 is a perspective view illustrating a carrier of a vertical blind according to the prior art, and FIG. 2 is an exploded perspective view illustrating a carrier power transmission structure of the vertical blind according to the prior art.

The carrier is formed with a hole 17 into which the rotation angle bar is inserted, and an insertion protrusion 16 is formed at the front and the rear, respectively, so that the roller 12 is coupled, so that the housing 10 is slidably installed in the guide rail. ), A pair of fastening protrusions 11 formed on an upper side of the housing 10, are disposed in the vertical direction in the housing 10, are rotatably installed, and a worm wheel 13a at an upper end thereof. The support rod 13 is formed in the lower end is inserted into the groove portion 13b is coupled to the sunshade, and is disposed in the horizontal direction on the housing 10, rotatably installed, the gear is engaged with the support rod 13 to form a worm gear Worms 14 and 15 are included.

Here, the worms 14 and 15 are rotatably installed in the inner side of the hole 17 formed in the left and right directions in the housing 10, and the rotating angle bars are penetrated and the rotating angle bars are driven by a user's operation, and thus, the horizontal direction By rotating the rotational force transmitted to the vertical direction to rotate the support rods 13 installed on each carrier, so that the sunshade connected to the lower end of the support rods 13 to achieve a selective light.

The worms 14 and .15 have a screw thread 14 formed on a circumferential surface thereof, and are caught by the worm wheel 13a. When the worm continues to rotate in one direction, the rotational force is transmitted to the support rod 13. Since the sunshade is rotated more than 360 degrees, the jaws are formed at both ends of the worm to prevent this, the worm does not rotate more than a certain amount.

In addition, it is difficult to install a plurality of the worm to be stopped at the same time, so that if the worm is rotated by a certain amount, so that the rotation angle rod and the worm is rotated to the same degree of rotation of all the worm, the worm is the worm wheel (13a) and gear The first worm 14 to be bitten, and the second worm 15 is installed to be rotatably installed inside the first worm 14, the rotation angle bar penetrates.

Here, as shown in FIG. 2, the first worm 14 has a plurality of first latching jaws 14b formed on the inner wall thereof in an axial direction while maintaining a predetermined interval, and a thread 14a is formed on the outer wall. .

The second worm 15 has a relatively smaller number of second locking jaws 15b formed on its outer wall than the first locking jaws 14b, and a locking protrusion 15a that is caught by the rotating angle bar on its inner wall. Is formed.

As a result, the second worm 15 is inserted into the first worm 14 and installed in the housing. When the angular bar passes through the hole 17 and the second worm 15 of the housing, the installation is made. When the rotating angle bar is rotated by the user's operation, the support bar 13 connected by the worm gear method is rotated, and the angle of the sunshade is adjusted.

At this time, if the rotating angle bar continues to rotate in one direction, the worm is stopped after being rotated by a certain amount. If the user continues to apply more than a predetermined value, the worm is rotated, the first worm 14 and the second worm 15 Since the rotational force of the rotating angle bar is not transmitted while being idle, the support bar that has not been rotated yet by a certain amount is continuously rotated so that the rotation of the sunshade can be made to be controlled at the same angle of all the sunshade.

However, the carrier power transmission structure of the vertical blind according to the prior art is coupled so that the first worm 14 and the second worm 15 are simultaneously rotated by the first catching jaw 14b and the second catching jaw 15b. After the rotation of the predetermined amount, the first worm 14b and the second claw 15b slide with each other, so that the first worm 14 and the second worm 15 are installed to idle, so that the first worm 14 When the second worm 15 is idling, noise is generated while the first catching jaw 14b and the second catching jaw 15b slide, so that the user may feel uncomfortable when operating.

In addition, in the vertical technique according to the prior art, the first worm 14 and the second worm always wear because the carrier jamming structure of the blind wears when the first catching jaw 14b and the second catching jaw 15b are worn. There is a problem in that the carrier is generated only the idling (15) may cause a malfunction, and the vertical blind is broken due to the control of the sunshade by the problems described above.

The present invention has been made in order to solve the above problems of the prior art, the support rod is installed on the car body is made of two members, each member is slidably installed, the support rod rotated by a certain amount is each member It is an object of the present invention to provide a carrier power transmission structure of a vertical blind so that the angle of the sunshade installed on the lower end of each support rod can be adjusted equally so that it is idle.

1 is a perspective view showing a carrier of a vertical blind according to the prior art,

2 is an exploded perspective view illustrating a carrier power transmission structure of a vertical blind according to the prior art;

3 is a perspective view showing a carrier of the vertical blind according to the present invention,

4 is an exploded perspective view illustrating a carrier power transmission structure of a vertical blind according to the present invention;

5 is a cross-sectional view showing a carrier power transmission structure of the vertical blind according to the present invention,

6 is a state diagram showing a carrier of the vertical blind according to the present invention.

<Explanation of symbols on main parts of the drawings>

1: guide rail 2: rotary angle bar

3: drive part 4: control chain

5: stripping line 6: weight member

7 shading 20 carrier

30: housing 31: fastening protrusion

32: roller 33: support rod

33a: fastening portion 33b: insertion groove portion

33c: protrusion 34: worm

34a: thread 34b: jaw

35: worm wheel 36: insertion protrusion

37: second hole 38: stopper

39: first hole

Carrier power transmission structure of the vertical blind according to the present invention for solving the above problems is a plurality of housings installed so as to slide along the guide rail is installed on the window frame, rotatably installed on the housing, the support rods installed on the bottom And, in the carrier of the vertical blind which is geared by the support rod and the worm gear system, and the worm rod is provided in the guide rail through which the rotation angle rod is provided to supply the rotational force, the support rod is rotated with the worm wheel geared with the worm It is possible to install, and the braking means is formed between the support rod and the housing so that the support rod is not rotated by a predetermined angle, so that when the rotation of the support rod is suppressed by the braking means, the worm wheel is idling and the rotational force is blocked. do.

Hereinafter, an embodiment of a carrier power transmission structure of a vertical blind according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing a carrier of the vertical blind according to the present invention, Figure 4 is an exploded perspective view showing a carrier power transmission structure of the vertical blind according to the present invention, Figure 5 is a carrier power of the vertical blind according to the present invention The transmission structure is a cross-sectional view.

Carrier of the vertical blind according to the present invention is a housing 30 which is slidably installed on the guide rail 1, and disposed in the vertical direction to the housing 30, rotatably installed, the sunshade 7 at the bottom ) Is coupled to the support rod 33, the worm wheel 35 is coupled to the upper end of the support rod 33 so as to be idling, and disposed in the left and right directions in the housing 30, rotatably installed, rotating angle rod (2) is penetrated to include the worm wheel 35 and the geared worm 34 is included.

Here, the housing 30 is formed in a rectangular shape, the upper part of which is open, and a pair of fastening protrusions 31 are formed on one side to be connected to the guide rail 1, and the first hole part 39 in the vertical direction. ) Is formed so that the support rod 33 is rotatably installed in this hole part, the 2nd hole part 37 is formed in a horizontal direction, and a worm is installed in the inside.

Here, the upper part of the first hole portion 39, the semi-circular stepped projection 38 protrudes upwards so that the support rod 33 is not rotated by more than 180 degrees, the sunshade 7 connected to the support rod 33 The rotation can be made within 180 degrees.

In addition, the housing 30 is provided with a roller 32 for forming the insertion protrusions 36 on the front and rear, respectively, so that the housing 30 slides along the guide rail 1.

The support bar 33 is cut in the center of the upper end, is bent in the outer direction is formed with a hook portion (33a) formed in a hook shape, a plurality of jaws in the outer direction is formed in the center of the first hole portion ( 39 is inserted into the insertion groove (33b) to suppress the flow in the vertical direction, to be rotatable, the center of the lower end is cut, one side end is bent inward to catch the upper end of the sunshade (7) Is formed.

In addition, the support bar 33 has a locking protrusion 33c is formed at one side of the lower end of the jaw portion, and is seated in the first hole portion 39 of the housing 30, so that the locking protrusion 33c is the first hole portion 39. At the step where the step 38 is not protruded, the support rod 33 is rotated while the locking projection 33c slides in the 180-degree section in which the step 38 is not formed, but the locking projection 33c is stepped. If the end of the (38) is prevented from flowing, the rotational movement of the support bar 33 is restrained so that the rotation of the sunshade 7 connected to the support bar 33 is also not made.

In addition, the fastening portion 33a is forcibly fitted when its diameter is inserted into the hole of the worm wheel 35 so that the worm wheel 35 when the locking projection 33c flows in a portion where the step 38 is not protruded. ) And the support rod 33 is rotated at the same time, when the locking projection 33c is not caught by the step 38, the rotation of the support rod 33 is constrained, and only the worm wheel 35 is the fastening portion 33a. Rotate around.

Thus, even if the rotating angle bar (2) driven by the user's operation to continue to rotate the worm 34, the support bar 33 is caught by the engaging projection (33c) of the housing 38, 180 degrees Since the worm wheel 35 is idling about the fastening portion 33a of the support rod 33, the worm wheel 7 and the worm rod 2 and the worm are not rotated by more than 180 degrees. 34 allows it to continue to rotate so that at the end all sunshades 7 can be arranged in the same direction.

The worm 34 has a hole formed in the left and right directions so that the rotary angle bar 2 is slidably fitted, and a plurality of jaws 34b are formed on the inner wall thereof so that the rotary angle bar 2 rotates simultaneously when the rotary angle bar 2 is driven. A thread 34a is formed on the outer wall to allow the worm wheel 35 to be meshed with the worm wheel.

Here, two jaw portions 34b are formed. Since the worm 34 is formed of a single member and is rotatably installed 360 degrees, the rotational force of the rotating angle bar 2 is easily transmitted, so even if only two are formed. Since the rotational force is sufficiently transmitted, the precision required for the worm 34 is lowered, so that the occurrence of defective products can be relatively reduced.

In addition, the dual structure of the support rod 33 and the single structure of the worm 34 minimize the frictional force generated when the rotational force of the rotating angle bar 2 is transmitted, and the worm 34 and the worm wheel 35 are minimized. This smooth rotation, the wear phenomenon caused by the friction of each member is suppressed, so that excessive load is not generated, it is possible to perform a convenient operation while extending the life of the carrier 20.

Looking at the operation of the vertical blind to which the carrier power transmission structure according to the present invention configured as described above are as follows.

6 is a state diagram showing the carrier power transmission structure of the vertical blind according to the present invention.

First, when the user pulls in and out the wire 5, the carrier 20 slides along the rotary angle bar 2 and is disposed while maintaining a predetermined interval on the guide rail 1, and thereafter, the opening and closing ball 4. When pulling, the force is changed to the rotational force in the drive unit 3 to drive the rotary angle bar 2, the worm 34 is rotated by the rotary angle bar (2).

At this time, since the worm 34 is geared with the worm wheel 35 coupled to the upper end of the support rod 33, the worm 34 coupled to the insertion groove 33b of the support rod 33 while being rotated together with the support rod 33 ( 7) Rotate

In addition, when the support rod 33 is rotated by 180 degrees, the locking projection 33c formed on the support rod 33 is caught by the step 38 formed in the first hole portion 39 of the housing 30, and the support rod 33 rotates. Is constrained, whereby the worm wheel 35 is idling about the fastening portion 33a of the support rod 33.

The rotational force supplied through the rotating angle bar 2 and the worm 34 by the operation as described above is offset by the worm wheel 35 is idling, so that the plurality of support rods 33 and the sunshade 7 are all in a constant position. The rotation stops at, so they can all be placed in the same direction.

Carrier power transmission structure of the vertical blind according to the present invention is configured as described above is the worm wheel is rotatably installed on the upper end of the support bar to which the vehicle body is coupled, the support rod is installed in the housing so as not to rotate more than a predetermined angle, rotation angle bar And the worm wheel naturally slides at the fastening portion of the support rod even when the worm is continuously rotated, thereby preventing the support rod and the worm wheel from being worn or broken, thereby allowing the sunshade to be rotated at the same angle, thereby increasing the life of the carrier of the vertical blind. In addition to this, the maintenance and repair cost of vertical blinds is reduced.

Claims (3)

A plurality of housings 30 installed to slide along the guide rail 1 installed on the window frame, a support rod 33 rotatably installed on the housing 30, and a sunshade piece 7 installed at a lower end thereof; In the carrier of the vertical blind including a worm (34) which is geared by the support rod (33) and the worm gear system, the rotation angle bar (2) installed in the guide rail (1) penetrates to supply rotational force; The support rod 33 is rotatably installed to the worm 34 and the worm wheel (35) that is geared, so that the support rod 33 is not rotated more than a predetermined angle between the support rod 33 and the housing 30. Since the braking means is formed, when the rotation of the support rod 33 is suppressed by the braking means, the worm wheel 35 rotates while the rotational force is blocked. The method of claim 1; The support rod 33 is the upper end is cut in the center, bent in the outward direction fastening portion (33a) for rotatably inserting the worm wheel (35), and protrudes from the center of the support rod 33 to the housing 30 The lower part of the lower end of the support bar 33 and the jaw part seated in the first hole part 39) are cut off, and one end part is bent inward to form an insertion groove part 33b for engaging the sunshade piece 7. Carrier power transmission structure of vertical blinds. The method of claim 1; The braking means has a stepped protrusion (33c) formed at the lower end of the jaw of the support bar 33 and a part protruding upward from the upper end of the first hole (39) of the housing in which the jaw of the support bar 33 is seated ( 38, the support bar 33 is rotated when the locking protrusion 33c slides at the upper end of the first hole portion 39, and the support bar 33 is not supported when the locking protrusion 33c is caught by the step 38. The carrier power transmission structure of the vertical blind, characterized in that not to rotate.