KR102028024B1 - Head rail assembly for multi blind - Google Patents

Abstract

The present invention relates to a head rail assembly for multi blinds, which comprises: a rail frame having a coupling surface coupled to a wall via a coupling means, an extension surface extending downward from an end portion at one side of the coupling surface, and a cover plate detachably coupled to an end portion at the other side of the coupling surface so that the rail frame has the shape of a frame with an open lower side; an end cap formed in both end portions of the rail frame; a shaft arranged inside the rail frame and rotated by a driving force of a motor to enable cord strings or blind fabrics to be coiled around an outer circumferential surface; a motor shaft inserted into the shaft and driven by the driving force of the motor to be coupled to and interlocked with the shaft via a driving force transfer port; and a head assembly enabling one of a tilting assembly, a shade assembly, and a screen assembly which are connected to each of the blinds to be selectively coupled to the shaft.

Description

HEAD RAIL ASSEMBLY FOR MULTI BLIND}

The present invention relates to a head blind assembly for a multi-blind, in particular one of the tilting cone assembly, the screen assembly and the shade assembly can be selected and coupled to the shaft according to the user's choice according to the user's choice, If you want to replace the blinds, you can reduce the economic burden by replacing only the essential parts without having to refit the head rail, and greatly increase the convenience of assembly of the operator and easily reinstall the blinds the way you want. A head rail assembly for a multi blind is improved in structure.

In general, curtains and blinds are installed in windows or entrances of buildings to block light, block external eyes, soundproofing, and protect against cold weather. Therefore, it is used as an important element of interior decoration to improve the interior aesthetics.

The blinds include vertical blinds, venetian blinds, roman shades, roll blinds, double roll blinds, and the like.

Among these blinds, the double roll blind is a type in which the fabric is rolled up when the roll of the upper housing is rolled up. In recent years, the double roll blind has a mesh structure (the opposite object is transmitted through) and a light shielding structure (the opposite object). This invisible) is released to construct a fabric that is repeated in a certain width.

That is, the double roll blind adjusts the shading degree according to the overlapping degree of the front fabric and the rear fabric. For example, when the front mesh structure and the rear mesh structure are aligned (side by side), the maximum light is provided. It is an incoming structure, and when the front shading structure and the rear shading structure are located at a position different from each other, it has a structure that is entirely shielded, thereby controlling the degree of shading and rolling up the fabric of the double roll blind as a whole so that full light can come in. have.

The prior art related to the existing blinds, as disclosed in Korean Patent Publication No. 10-1716888 "Multi-functional double roll blinds with a roll screen" (Registration Date: 2017.03.09), the first adjusting unit formed at the beginning, And a third adjusting part corresponding to the first adjusting part and formed at an end portion, and a second adjusting part formed between the first adjusting part and the third adjusting part, wherein the first adjusting part is made of an agent through which an object on the opposite side is transmitted. The first light shielding portion in which the object opposite to the first mesh portion is invisible is repeatedly formed in a predetermined width alternately in a predetermined width, and the third adjusting portion corresponds to the first mesh portion, and the third object in which the opposite object is transmitted is visible. The third light blocking portion, which corresponds to the mesh portion and the first light blocking portion and the object on which the other side is not visible, is repeatedly formed at a predetermined width alternately, and the second adjusting portion is formed with the first mesh portion and the third mesh portion. Correspondingly, the second mesh portion portion through which the opposite object is transmitted and the second shade portion where the opposite object is not visible are repeatedly formed at regular intervals, and the second light blocking portion is more than the first light blocking portion or the third light blocking portion. It is characterized by being more than twice as wide.

Other prior art related to the headrail device of existing blinds is a headrail or head for building covering, as disclosed in Korean Patent Publication No. 10-2016-0010881 "Headrail Assembly" (published on Jan. 28, 2016). A rail assembly, wherein the headrail includes an elongated front wall having left and right longitudinal ends and an elongated bottom wall having left and right longitudinal ends, the left end structure being at the left longitudinal end of the floor wall. Located adjacent and the right end structure is positioned adjacent the right longitudinal end of the bottom wall, a first slot is formed between the left end structure and the left longitudinal end of the bottom wall, and the right length of the right end structure and the bottom wall A second slot is formed between the directional ends.

By the way, the existing blind device adopts different heads according to the type of blinds, such as the tilting and non-tilting, the fabric is rolled, or simply rolls, such as combinations and screens, and the blinds are equipped with time If the user wants to select a different type of blind and install it, there is an economic waste of separately purchasing the selected type of blind, and there is a hassle of having to refit the head rail. .

Korean Patent Publication No. 10-1716888 "Multifunctional Double Roll Blind with Roll Screen" (Registration Date: 2017.03.09) Korean Laid-Open Patent Publication No. 10-2016-0010881 "Head Rail Assembly" (published date: 2016.01.28)

The present invention was created in view of the above-mentioned problems, and the object is to reduce the economic burden when mounting other types of blinds in addition to the installed blinds, and also need to reattach the head rail. The present invention provides a head rail assembly for a multi-blind, which has an improved structure so that the user can easily reinstall the blind in a manner desired by replacing only essential parts without the need.

In addition, another object of the present invention is to provide a head rail assembly for a multi-blind, the structure can be easily coupled to the ceiling of the wall, the structure is improved so that the cover plate can be easily assembled so that the internal structure is not visible in appearance. have.

The present invention for achieving the above object is a coupling surface coupled to the wall via the coupling means, an extension surface extending downward from one end of the coupling surface, and detachably coupled to the other end of the coupling surface A rail frame provided with a cover plate and having a frame shape of which a lower side is opened; End caps provided at both ends of the rail frame; A shaft disposed inside the rail frame and rotatably driven by a driving force of a motor to wind a cord string or a blind fabric on an outer circumferential surface thereof; A motor shaft inserted into the shaft and driven by a driving force of the motor, the motor shaft being coupled to interlock the shaft via a power transmission port; And a head assembly to which a tilting assembly coupled to a blind is coupled, wherein the tilting assembly moves the shaft to the left and the right by a rotational driving force of the motor to spirally wind or unwind the cord to the outer circumferential surface of the shaft. And a moving ring, a connecting ring detachably coupled to the shaft and connecting a cord to the shaft, and a tilting assembly for tilting the blind at an angle when the shaft rotates.

In addition, the present invention for achieving the above object is a coupling surface coupled to the wall via the coupling means, an extension surface extending downward from one end of the coupling surface, and detachable to the other end of the coupling surface A rail frame having a frame shape having a cover plate coupled to the lower side thereof; End caps provided at both ends of the rail frame; A shaft disposed inside the rail frame and rotatably driven by a driving force of a motor to wind a cord string or a blind fabric on an outer circumferential surface thereof; A motor shaft inserted into the shaft and driven by a driving force of the motor, the motor shaft being coupled to interlock the shaft via a power transmission port; And a head assembly to which a shade assembly coupled with a blind is coupled, wherein the shade assembly moves the shaft left and right by a rotational driving force of the motor to spirally wind or unwind the cord to the outer circumferential surface of the shaft. The fastening member is coupled to the moving means, the coupling ring detachably coupled to the shaft and connecting the cord to the shaft, and a fixing bracket coupled to the outer peripheral surface of the shaft and fixed to the upper support bar for the shade blind on the lower side. And a shade cone having a through hole through which a fixing hole and a cord line for fastening are formed.

The shaft has a hollow formed therein, the groove is formed on the outer circumferential surface so that both ends of the blind fabric or the connection ring is fitted, and the power transmission port is interfered to transmit the driving force of the motor to the shaft, and is locked inwardly so that the rotational force is transmitted. Characterized in that the side is formed to protrude.

The movement means is inserted into the outer peripheral surface of the motor shaft of the motor coupled to the rotational rotation with the inner circumferential surface of the shaft, and inserted into one end of the shaft and coupled to interlock with the shaft, the first having a male thread on the outer peripheral surface An end plug having a threaded portion formed thereon, and a second threaded portion formed between the one end of the shaft and the end cap, the second threaded portion having a female thread on the inner circumferential surface such that the first threaded portion of the end plug is helically rotated, and fitted on the outer frame An end cone having a coupling protrusion coupled thereto, a motor plug provided at the other end of the shaft, coupled to an end of the motor shaft, and having a guide protrusion formed at both sides of an outer circumferential surface thereof, and the motor plug being accommodated and slidably coupled left and right. And a motor holder having a guide groove formed on an inner side thereof so that the guide protrusion is fitted therein. And a.

The connecting ring is made of a metal material having its own elastic force, and both ends are bent inwardly, and has a structure in which an outwardly protruding binding portion is formed to bind and bind the ends of the cord.

The tilting assembly is fitted to the outer circumferential surface of the shaft and the left and right sides of the cone body formed in contact with the end of the cone spring in the rotation operation of the cone sleeve to limit the rotation of the cone spring, respectively, and the cone body of the A cone sleeve fitted between an inner circumferential surface and an outer circumferential surface of the shaft and elastically coupled to the outer circumferential surface so as to apply a pressing force from the outside thereof, and being fitted to the outer circumferential surface of the cone sleeve and out of a predetermined angle during the rotation operation of the cone sleeve. A cone spring which interferes with the jaw to release the pressing force, a fixing ring which is fastened by a fastening member to one side of the cone sleeve to prevent movement of the cone sleeve in the longitudinal direction of the shaft, and one side portion inside the cone body. Is inserted and coupled to surround one side of the cone sleeve and connects the blind tilting strap to the other side It comprises a tilting cone having a connecting piece to be.

The shaft is formed with a reinforcing rib protruding inward on the inner peripheral surface.

The power transmission port A connecting protrusion is formed on the outer circumferential surface to transmit the rotational force of the motor shaft to the shaft, and a connecting hole corresponding to the shaft gear of the motor shaft is formed on the inner circumferential surface so as to be interlocked by the driving force of the motor shaft. The gear groove is formed in six directions to correspond to the gear.

The coupling means has a locking groove portion formed on one side and the other side of the upper surface of the coupling surface, and a locking protrusion formed to be coupled to one of the locking groove portion at one end thereof and extends outward at the other end to fasten the fastening bolts. It is provided with a coupling bracket having a fastening portion formed with a fastening hole.

The first embodiment of the present invention is applied to wood blinds or aluminum blinds, etc., in which a tilting operation of the blind blades is required, and a cord cord on the outer circumferential surface of the shaft 300 that is rotated and moved left and right by a driving force of the motor 400. While the cord 70 is wound or unwound, the cord 70 is not overlapped with the outer circumferential surface of the shaft 300 and is wound or unwound in a spiral manner without tangling, so that the blind is lifted and the tilting operation of the tilting assembly 520 is performed. It is advantageous to easily release the pressing force of the cone spring 525 by the interference of the left and right locking jaw (522a-1, 522a-2) with respect to the end of the cone spring 525 to facilitate the tilting operation.

In addition, according to the first embodiment of the present invention, after the cord string 70 is connected to be tied to one of the binding portions 514 of the connection ring 510, the both ends of the connection ring 510 are opened to the outer circumferential surface of the shaft 300. Fit the fitting, by inserting both ends of the coupling ring 510 into the fitting groove 320 of the shaft 300 by coupling to wrap around the outer peripheral surface of the shaft 300 by the elastic support of the coupling ring 510, the coupling ring 510 ) Can be easily detachably coupled to the shaft 300, and has the advantage of easily coupling the connection ring 510 to the desired position of the shaft 300.

In the first embodiment of the present invention, the cover plate 130 is detachably coupled to the other side of the coupling surface 110, thereby assembling the shaft 300 and the tilting assembly 500A first, and then the cover plate 130. ) Is coupled to the other side of the coupling surface 110, has the advantage that can greatly increase the assembly convenience of the operator.

In addition, the coupling bracket 700 of the present invention can be given a beautiful appearance by minimizing the exposed portion as only the end of the fastening portion 720 is exposed to the lower side in the process of coupling the coupling surface 110 to the wall ceiling, After the end of the locking protrusion 710 enters one of the locking grooves 112, the fastening bolt is fastened to the wall ceiling through the fastening hole 725 of the fastening part 720, so that the coupling surface 110 can be firmly assembled. That has the advantage.

1 is a block diagram showing a multi-blind head rail structure in accordance with the present invention.
Figure 2 is an exploded perspective view showing a tilting assembly corresponding to the first embodiment of the present invention.
3 is a perspective view showing the configuration of FIG. 2 from another angle;
Figure 4 is a perspective view of the rail frame and the coupling bracket of the present invention.
5A and 5B are a perspective view and a front view of the shaft of the present invention.
6 is a perspective view showing a connection ring of the present invention.
Figure 7 is a perspective view of the present invention end cap.
Figure 8a is a perspective view of the power transmission sphere of the present invention, Figure 8b is a view showing a state in which the motor shaft is coupled to the power transmission sphere of the present invention.
Figure 9 is a perspective view of the end plug of the present invention.
10 is a perspective view showing the endcon of the present invention.
11 is a perspective view showing a motor plug of the present invention.
12 is a perspective view showing a motor holder of the present invention.
Figure 13 is a perspective view of the present tilting assembly.
14 is a perspective view showing the configuration of FIG. 13 from another angle;
Figure 15 is a perspective view of the cone body of the present invention.
Fig. 16 is a perspective view of the cone sleeve of the present invention.
17 is a perspective view of the fixing ring of the present invention.
18 is a perspective view showing a tilting cone of the present invention.
19 is a use state that the cover plate is coupled to the other side of the coupling surface by the detachable means of the present invention.
Figure 20a, 20b is a use state diagram schematically showing the process before and after the operation of the present invention the vehicle.
Figure 21 is an exploded perspective view showing a shade assembly corresponding to the second embodiment of the present invention.
Figure 22 is a perspective view of the shade cone of the present invention.
Figure 23 is a use state showing the state in which the upper support of the fabric of the shade product to the shade cone of the present invention is coupled to the fixing bracket.
24 is an exploded perspective view showing a screen assembly corresponding to a third embodiment of the present invention.

The present invention can reduce the economic burden by replacing only the essential parts without the need to remount the head rail if you want to replace other types of blinds other than the installed blinds, as well as the user-friendly blinds easily The present invention relates to a head rail assembly for a multi-blind, the structure of which can be reinstalled.

Hereinafter, the door hinge device according to the present invention will be described in more detail with reference to the accompanying drawings.

In describing the present invention, when it is determined that the detailed description of the related known technology or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to a user's intention or custom. Therefore, the definition should be made based on the contents throughout the specification. In addition, the term 'comprising' a certain component means that the component may further include other components, except for the case where there is no contrary description.

Head blind structure for a multi-blind according to the present invention will be described with reference to Figures 1 to 3, the coupling surface 110 is coupled to the wall via the coupling means, and from one end of the coupling surface 110 to the lower side A rail frame (100) having an extended frame (120) and a cover plate (130) having a lower side opening with a cover plate (130) detachably coupled to the other end of the coupling surface (110); End caps (200) provided at both ends of the rail frame (100); A shaft 300 disposed inside the rail frame 100 and rotatably driven by a driving force of the motor 400 to wind a cord string 70 or a blind fabric on an outer circumferential surface thereof; A motor shaft 410 inserted into the shaft 300 and driven by a driving force of the motor 400 to engage the shaft 300; And one of the tilting assembly 500A, the shade assembly 500B, and the screen assembly 500C to which the blinds are connected. The head assembly 500 is alternatively coupled to the shaft 300.

Here, the blinds to which the tilting assembly 500A is applied may be applied to wood blinds or aluminum blinds, and the shade assembly 500B may be applied to honeycomb shades, roman shades, volume shades, mini franc card battens, and the like. 500C may be applied to combination rolls, triple shades, general roll screens, blackout screens, sun screens, and the like.

That is, the tilting assembly 500A may be applied to the blinds capable of adjusting the tilting angle of the blind blades, and the shade assembly 500B and the screen assembly 500C may be applied to the blinds that do not require the tilting angle adjustment.

In addition, the rail frame 100 and the shaft 300, the motor 400 and the motor shaft 410 act as a common component, and the same reference numerals will be omitted here and redundant description will be omitted.

First embodiment

Referring to FIG. 2, the rail frame 100 includes a coupling surface 110 and an extension surface 120 before assembling the shaft 300 and the head assembly 500. The assembly is made in the state that the lower side and the other side are opened, thereby improving the assemblability.

Thereafter, the rail frame 100 may couple the cover plate 130 to the other side of the coupling surface 110 via the detachable means 600 after the assembly of the shaft 300 and the head assembly 500 is completed. have.

Referring to FIG. 3, the detachable means 600 is formed at the other end of the coupling surface 110 and has guide rails 610 having upper and lower fixing jaws 612 and 614, and an upper end of the cover plate 130. It is formed to be stepped on the stepped portion 620 is in contact with the upper fixing jaw 612, and formed to protrude on the inner surface of the upper end of the cover plate 130, the lower fixed jaw when the cover plate 130 is rotated 614 is formed to include the interference protrusion 630 is supported.

The coupling surface 110 is assembled to be fixed to the wall ceiling using the coupling means, referring to Figure 4, the coupling means is a locking groove 112 formed on one side and the other side of the upper surface of the coupling surface 110, respectively And a locking protrusion 710 formed at one side end of the locking protrusion 710 to be coupled to one of the locking grooves 112 and extending outward at the other end and having a coupling hole 725 for fastening the fastening bolt. It is composed of a coupling bracket 700 is formed.

Accordingly, the coupling bracket 700 is firmly because the fastening bolt is fastened to the wall ceiling through the fastening hole 725 of the fastening part 720 after the end of the locking protrusion 710 enters one of the locking grooves 112. It has the advantage that the coupling surface 110 can be assembled.

5A and 5B, the shaft 300 is a pipe structure in which a hollow 310 is formed therein, and fitting grooves 320 are formed to fit both ends of the blind fabric or the connection ring 510 on the outer circumferential surface thereof. In order to transmit the driving force of the motor 400 to the shaft 300, the power transmission port 532 is interfered with the locking piece 330 is formed to protrude to both the left and right sides to transmit the rotational force, the inner peripheral surface on the inside It has a structure in which the reinforcing ribs 340 protruded.

As shown in FIG. 6, the connecting ring 510 has a circular ring shape having a bent portion 512 that is divided at both ends and is bent inwardly, and the shaft 300 after winding the cord string 70. At least one binding portion 514 formed to be concave outward is formed on the outer circumferential surface of the cord line 70 so as not to interfere.

When the plurality of binding portions 514 are formed, it is preferable to form the binding portions 514 at positions spaced apart from each other so that the binding positions of the cord lines 70 can be arbitrarily adjusted according to the installation environment.

Referring to FIG. 7, the end cap 200 is fixed to a piece while being fitted to the rail frame 100 so as to close both ends of the rail frame 100 to perform a function of a finishing material, and an end cone 536. It supports, and has a structure in which a support protrusion 210 is formed to protrude inward.

When the end cone 536 is omitted, the support protrusion 210 is inserted into the through hole 534e of the end plug 534 to support the end plug 534.

The end cap 200 extends toward the rail frame 100 at an upper side thereof, and a fitting protrusion 220 fitted into the rail frame 100 is formed.

The tilting assembly 500A moves the shaft 300 to the left and the right by the rotational driving force of the motor 400 to spirally wind or unwind the cord 70 to the outer circumferential surface of the shaft 300. A moving means 530; A connection ring (510) detachably coupled to the shaft (300) and connecting the cord (70) to the shaft (300); It comprises a tilting assembly 520 for tilting the blind at a predetermined angle during the rotation of the shaft 300.

The cord 300 is wound or unrolled according to the driving direction of the motor 400, the blind is raised as the cord 70 is wound, and conversely, the cord 70 is loosened. If so, the blinds are lowered by their own weight.

As shown in FIG. 2, the movement means 530 is fitted to the outer circumferential surface of the motor shaft 410 of the motor 400 and is coupled to the inner circumferential surface of the shaft 300 so as to be interlocked with the power transmission port 532. An end plug 534 inserted into one end of the shaft 300 and coupled to interlock with the shaft 300 and having a first screw portion 534d having a male thread on one outer peripheral surface thereof; A second screw portion 536b disposed between one end and the end cap 200 and having a female thread on an inner circumferential surface is formed on the inner circumferential surface so that the first screw portion 534d of the end plug 534 is spirally rotated. End cone 536 is formed with a coupling protrusion (536c) is coupled to fit to) and is provided on the other end of the shaft 300 and coupled to the end of the motor shaft 410 and guide projections (539a) on both sides of the outer peripheral surface Is formed, the motor plug 539 and the motor plug 539 are accommodated , It is slidably coupled to the right and the guide protrusion (539a) that guides the inner surface to be fitted groove (538a), a motor holder 538 is formed.

When the shaft 300 moves, the motor holder 538 and the motor plug 539 are guide protrusions of the motor plug 539 coupled to the motor 400 by opening one side thereof, as shown in FIGS. 11 and 12. 539a is slid along the guide groove 538a formed on the inner circumferential surface to guide the movement of the motor 400.

As shown in FIG. 8A, the power transmission hole 532 interferes with the locking piece 330 of the shaft 300 on an outer circumferential surface thereof so as to transmit the rotational force of the motor shaft 410 to the shaft 300. 532c is formed and a connecting hole 532a corresponding to the shaft gear of the motor shaft 410 is formed on the inner circumferential surface so as to be interlocked by the driving force of the motor shaft 410.

The connecting hole 532a has a structure in which a gear groove 532b is formed in six directions such that the gears of the motor shaft 410 for each country correspond to the gears (6-way gears, straight gears, etc.).

For this reason, the power transmission hole 532 is coupled and connected so that the gear shaft of the motor shaft 410 of the motor 400 is fitted into the connecting hole 532a and the gear groove 532b, as shown in Figure 8b. The protrusion 532c is coupled in the hollow 310 of the shaft 300 to transmit the rotational force of the motor shaft 410 to the shaft 300.

Referring to FIG. 9, the end plug 534 includes a pin body 534a and a head portion 534b extending outwardly at an end portion of the pin body 534a. The fitting is coupled to the inside of the shaft 300.

The pin body 534a of the end plug 534 is interfered with the rotation of the shaft 300, so that the end piece 534 is interlocked to the left and right sides so that the engaging piece 330 formed on the inner circumferential surface of the shaft 300 An interlocking protrusion 534c is formed to be inserted therebetween, and a first screw portion 534d having a male screw thread corresponding to a female screw thread formed on an inner circumferential surface of the end cone 536 is formed around the outer circumferential surface of the head portion 534b. Have

As a result, when the end plug 534 is interlocked and moved in the helical direction when the shaft 300 is rotated, the fitting is interposed between the interlocking protrusion 534c of the end plug 534 and the engaging piece 330 of the shaft 300. The shaft 300 is rotated in the spiral direction by the coupling force, and the shaft 300 and the end plug 534 enter and exit the end cone 536 according to the rotation direction of the shaft 300.

On the other hand, the end plug 534 is fixed to the piece after inserting the end plug 534 into the hollow 310 of the shaft 300 through one end of the shaft 300 in consideration of the machining error with the shaft 300 You can also

As shown in FIG. 10, the end cone 536 has a structure in which a fastening hole 536a having a female thread formed on an inner circumferential surface thereof and a coupling protrusion 536c fitted to the rail frame 100 on an outer circumferential surface thereof.

In addition, the movement means 530 is provided with a motor plug 539 and a motor holder 538 to guide the movement of the motor shaft 410 when the end plug 534 is moved, the motor on the motor shaft 410 When the plug 539 is integrally fixed and the guide protrusion 539a of the motor plug 539 is slidably moved left and right in the guide groove 538a of the motor holder 538, the motor shaft ( It is possible to guide the interlock movement of the 410.

13 and 14, the tilting assembly 520 is fitted to the outer circumferential surface of the shaft 300 and contacts the end of the cone spring 525 when the cone sleeve is rotated on both left and right sides thereof. Cone body 522, each of which has locking jaws 522a-1 and 522a-2 for restricting the rotational movement of the spring, is fitted between the inner circumferential surface of the cone body 522 and the outer circumferential surface of the shaft 300 and the cone spring on the outer circumferential surface. When the cone 525 is elastically coupled to give a pressing force from the outside and fitted to the outer circumferential surface of the cone sleeve 524 and the deviation of the predetermined angle during the rotation operation of the cone sleeve 524 the locking step Cone spring 525 interfering with (522a-1, 522a-2) and the pressing force is released, and the cone sleeve for the longitudinal direction of the shaft 300 is fastened by a fastening member on one side of the cone sleeve 524 The fixing ring 526 to prevent the movement of 524, and the inside of the cone body 522 A tilting cone 528 having two connection pieces 528a connected to one side to be inserted into one side and surrounding one side of the cone sleeve 524 and to be coupled to a blind tilting strap (aka ladder room) on the other side. It is made, including.

Referring to FIG. 15, the cone body 522 has a tubular shape surrounding the outer circumferential surface of the shaft 300 and the outer circumferential surface of the cone sleeve 524, and a through hole 522b to allow the blind tilting string to pass through the lower surface. ) Has a formed structure.

As shown in FIG. 16, the cone sleeve 524 is coupled to be interposed between the cone body 522 and the shaft 300 and has a support jaw 524a formed at an outer circumferential surface thereof to support the cone spring 525. Have

The support jaw 524a supports the cone spring 525 and in the longitudinal direction of the shaft 300 as the cone sleeve 524 interferes with the cone body 522 while being fitted to the shaft 300. It can be prevented from moving.

The cone spring 525 is provided with first and second bending pieces 525-1 and 525-2 having both ends bent outwards and elastically coupled to surround the outer circumferential surface of the cone sleeve 524. While the outer circumferential surface thereof is elastically pressurized, the cone sleeve 524 is rotated as it is rotated, but both ends thereof are caught by the locking jaws 522a-1 and 522a-2 of the cone body during rotation, thereby limiting the rotation of the cone spring 525. In this case, as the inner diameter of the cone spring 525 opens, the elastic pressing force for pressing the cone sleeve 524 is released.

At this time, when the cone sleeve 524 is rotated to be out of a certain range of angles during the one-way rotation, the first bending piece 525-1 is caught by the locking jaw 522a-1 on the left side, and the rotation is limited thereafter. While the inner diameter of 525 is widened, when the cone sleeve 524 is rotated to be out of a range of angles during the other rotation of the cone sleeve 524, the second bent piece 525-2 is connected to the locking jaw 522a-2 on the right side. The rotation is restricted and the inner diameter of the cone spring 525 is widened.

Accordingly, the tilting angle of the blind blades is changed to both left and right sides according to the rotation direction of the cone sleeve 524.

In addition, the fixing ring 526 is a ring structure having an inner diameter corresponding to the outer diameter of the cone sleeve 524, as shown in Figure 17, integrally via a fastening member fastened to the cone sleeve 524 The cone sleeve 524 may be prevented from moving in the other longitudinal direction of the shaft 300, and for this purpose, the fastening hole 526a is formed to fasten the cone sleeve 524 and the fastening member for fastening. Has a structure.

Accordingly, the cone sleeve 524 has a structure in which movement in both directions with respect to the longitudinal direction of the shaft 300 is limited.

As shown in FIG. 18, the connecting piece 528a of the tilting cone 528 has a structure in which a binding groove 528b is formed on the inner side facing each other for binding of the blind tilting string.

The tilting cone 528 has a structure in which a blind tilting strap is connected to the connecting piece 528a and the connecting piece 528a is interlocked with the end of the cone spring 525 wound around the cone sleeve 524.

Accordingly, when the tilting cone 528 and the cone sleeve 524 are rotated and the end of the cone spring 525 is caught by the catching jaws 522a-1 and 522a-2, the rotation of the cone spring 525 is restricted. As the pressing force of the cone spring 525 is released, the cone sleeve 524 is turned away, and the blind blade is tilted at a right angle to block external light.

According to the first embodiment of the present invention having such a configuration, the shaft 300 in which the tilting assembly 500A is coupled to the rail frame 100 in which the coupling surface 110 and the extension surface 120 are integrally disposed is disposed, and the shaft ( After assembling the end cap 200 at both ends of the 300, the cover plate 130 is coupled to the other side of the coupling surface (110).

In this case, the cover plate 130 has a stepped portion 620 of the cover plate 130 on the upper fixing jaw 612 of the guide rail 610 formed on the other side of the coupling surface 110 as shown in FIG. After the cover plate 130 is rotated in a direction opposite to the direction of travel of the clock hand, the locking plate 630 contacts the lower fixing jaw 614 of the guide rail 610 so that the cover plate 130 is guide rail. 610.

Because of this, the cover plate 130 can be easily and detachably coupled to the other side of the coupling surface 110, the cover plate 130 is coupled before assembling the shaft 300 and the tilting assembly 500A. It can be separated from the other side of the surface 110, by assembling the cover plate 130 to the coupling surface 110 before assembling the finished product to the wall, the existing cover plate 130 and the extension surface 120 is When assembling the shaft 300 and the tilting assembly 500A in the rail frame 100 coupled integrally, the worker's finger is not easily entered in a narrow space, whereas in the present invention, the cover plate 130 is omitted. When assembling the shaft 300 and the tilting assembly 500A to the 100, the operator's fingers can easily enter the rail frame 100 having a large entry space, thereby improving the assemblability of the operator. .

In addition, the connecting ring 510 binds the cord string 70 to one of the plurality of binding portions 514 and binds both ends thereof to the fitting groove 320 of the shaft 300, thereby coupling the shaft 300. When the cord cord 70 is wound around the outer circumferential surface of the shaft 300.

In addition, when the coupling surface 110 is to be attached to the wall ceiling, the end of the locking protrusion 710 enters one of the locking grooves 112 of the coupling surface 110, the opposite side of the coupling bracket 700 Since the fastening bolt can be fastened to the wall ceiling through the fastening hole 725 of the fastening part 720, only the end portion of the fastening part 720 is exposed downward in the process of coupling the coupling surface 110 to the wall ceiling. It can be given a beautiful appearance, has the advantage that can be firmly assembled to the coupling surface 110 on the wall ceiling.

The shaft 300 is coupled to the end plug 534 is fitted to one end, the tilting assembly 520 is coupled to the outer peripheral surface, the motor shaft 410 is inserted into the hollow 310 power transmission port 532 is interlocked and rotated.

The power transmission port 532 is coupled to the gear groove 532b of the connection hole 532a of the gear shaft of the motor shaft 410 is interlocked and interlocked, the connection formed on the outer peripheral surface of the power transmission hole 532 The protrusion 532c is inserted into the locking piece 330 of the shaft 300 to transmit the rotational driving force to the shaft 300 when the motor shaft 410 rotates.

As shown in FIG. 20A, the moving means 530 is provided with a first screw portion 534d having a male thread on an outer circumferential surface of one end of the end plug 534 inserted into one end of the shaft 300. Since the first screw portion 534d is screwed to the second screw portion 536b formed on the inner circumferential surface of the end cone 536, the one-way rotational driving force of the shaft 300 is transmitted to the end plug 534, as shown in FIG. 20B. One end of the end plug 534 and the shaft 300 enters the inside of the end cone 536 and moves to the right in the drawing, and is coupled to the end of the motor shaft 410 when the shaft 300 moves. The guide protrusion 539a of the motor plug 539 slides in the same direction as the moving direction of the shaft 300 in the guide groove 538a of the motor holder 538, so that the longitudinal inner space of the motor holder 538 is rotated. Movement of the motor shaft 410 moving in the same direction as the moving direction of 300 It is to act as a free space for the guide.

Accordingly, as the shaft 300 is moved by the moving means 530, the cord string 70 is wound around the outer circumferential surface of the shaft 300 by the rotation of the shaft 300. The outer peripheral surface of 300) does not overlap and is wound in a spiral with a predetermined thickness.

The tilting cone 528 of the tilting assembly 520 is interlocked with the blind tilting string connected to the connecting piece 528a and the connecting piece 528a interferes with the end of the cone spring 525 wound around the cone sleeve 524. Accordingly, when the tilting cone 528 and the cone sleeve 524 rotates, the ends of the cone spring 525 are caught and interfered with one of the left and right locking jaws 522a-1 and 522a-2. When the rotation of the cone spring 525 is restricted, the pressing force of the cone spring 525 that presses the outer circumferential surface of the cone sleeve 524 is released, so that the cone sleeve 524 is inverted and connected to the two connecting pieces 528a, respectively. As one side of the blind tilting string continues to descend and the other side ascends, the blind blades can be tilted at right angles to block external light.

Therefore, the first embodiment of the present invention is applied to wood blinds or aluminum blinds, which require a tilting operation of the blind blades, on the outer circumferential surface of the shaft 300 which is rotated and moved left and right by the driving force of the motor 400. As the cord line 70 is wound or unwound, the cord line 70 does not overlap the outer circumferential surface of the shaft 300 and is wound or unwound in a spiral manner without tangling and thus the blind is lifted and the tilting assembly 520 is The tilting operation can be easily released by the interference of the left and right side locking jaws 522a-1 and 522a-2 with the end of the cone spring 525 so that the tilting operation can be smoothly performed. Have

In addition, according to the first embodiment of the present invention, after the cord string 70 is connected to be tied to one of the binding portions 514 of the connection ring 510, the both ends of the connection ring 510 are opened to the outer circumferential surface of the shaft 300. Fit the fitting, by inserting both ends of the coupling ring 510 into the fitting groove 320 of the shaft 300 by coupling to wrap around the outer peripheral surface of the shaft 300 by the elastic support of the coupling ring 510, the coupling ring 510 ) Can be easily detachably coupled to the shaft 300, and has the advantage of easily coupling the connection ring 510 to the desired position of the shaft 300.

In the first embodiment of the present invention, the cover plate 130 is detachably coupled to the other side of the coupling surface 110, thereby assembling the shaft 300 and the tilting assembly 500A first, and then the cover plate 130. ) Is coupled to the other side of the coupling surface 110, has the advantage that can greatly increase the assembly convenience of the operator.

In addition, the coupling bracket 700 of the present invention can be given a beautiful appearance by minimizing the exposed portion as only the end of the fastening portion 720 is exposed to the lower side in the process of coupling the coupling surface 110 to the wall ceiling, After the end of the locking protrusion 710 enters one of the locking grooves 112, the fastening bolt is fastened to the wall ceiling through the fastening hole 725 of the fastening part 720, so that the coupling surface 110 can be firmly assembled. That has the advantage.

Second embodiment

21 to 23, the same rail frame 100, the shaft 300, the motor 400, and the motor shaft 410 are the same as the components of the first embodiment described above. , Having a component such as an end cap 200, and having a shade assembly 500B coupled to the shaft 300.

The shade assembly 500B moves the shaft 300 to the left and the right by the rotational driving force of the motor 400 so as to spirally wind or unwind the cord 70 to the outer circumferential surface of the shaft 300. A moving means 530; A connection ring (510) detachably coupled to the shaft (300) and connecting the cord (70) to the shaft (300); Fixing hole 544 and cord line 70 to be coupled to the outer circumferential surface of the shaft 300 and to fasten the fixing bracket 50 for fastening the upper support bar 22 for the shade blind on the lower side with a fastening member. And a shade cone 540 having the through hole 542 therethrough.

The movement means 530 is fitted to the outer peripheral surface of the motor shaft 410 of the motor 400 in the same manner as the configuration of the above-described embodiment, and the power transmission hole 532 coupled to rotate in coordination with the inner peripheral surface of the shaft 300; And an end plug 534 inserted into one end of the shaft 300 and coupled to interlock with the shaft 300 and having a first screw portion 534d having a male thread on one end of an outer circumferential surface thereof, and the shaft 300. A second screw portion 536b disposed between an end portion of the end cap 200 and the end cap 200 and having a female thread on an inner circumferential surface of the end screw 534d of the end plug 534 is spirally rotated. An end cone 536 coupled to be fitted to 100 and a motor plug 539 provided at the other end of the shaft 300 and coupled to an end of the motor shaft 410 and having guide protrusions 539a formed on both sides of an outer circumferential surface thereof. ), And the motor plug 539 is accommodated left and right Slidably coupled to and to the guide protrusion (539a) is provided with a guide groove on the inner side to fit a motor holder (538) (538a) is formed.

Referring to FIG. 21, the shade cone 540 has a coupling hole through which the shaft 300 penetrates and is inserted therein, and a through hole 542 and a fixing hole 544 are formed in the lower side of the coupling hole. The outer peripheral surface has a structure in which a fixing protrusion 545 supported on the inner surface of the rail frame 100 is formed.

Referring to FIG. 22, the through-hole 542 of the shade cone 540 is bound so that the cord line 70 penetrates from the lower side and is tied to the binding part 514 of the connection ring 510. 544 has a structure in which a screw thread is formed on an inner circumferential surface thereof so that a fastening member for fastening the fixing bracket 50 for fixing the upper support bar 22 of the shade product is fastened.

That is, the shade cone 540 is coupled to be fitted to the shaft 300 to guide the cord line 70 to the connection ring 510 side, and the upper support bar 22 of the shade product fixing bracket 50 Supporting function through the media.

As the moving means 530 is moved in the spiral direction while the end plug 534 is interlocked and rotated in the same manner as in the above-described line embodiment, the interlocking protrusion 534c of the end plug 534 The shaft 300 is rotated in the spiral direction by the fitting coupling force between the engaging pieces 330 of the shaft 300, and the shaft 300 and the end plug 534 are end cones according to the rotation direction of the shaft 300. The motor plug 539 is integrally fixed to the motor shaft 410 and guides the movement of the motor shaft 410 when the end plug 534 is moved, and the motor plug 539 is operated. The guide protrusion 539a of the) slides left and right in the guide groove 538a of the motor holder 538 to guide the interlocking movement of the motor shaft 410 when the shaft 300 moves.

In the second embodiment of the present invention, the coupling surface 110 is assembled to be fixed to the wall ceiling by using a coupling means, and the coupling means is formed on the top and one side of the coupling surface 110, respectively, the engaging groove 112. And a locking protrusion 710 formed at one side end of the locking protrusion 710 to be coupled to one of the locking grooves 112 and extending outward at the other end and having a coupling hole 725 for fastening the fastening bolt. It is composed of a coupling bracket 700 is formed.

The second embodiment of the present invention having such a configuration is applied to shade products such as honeycomb shades, roman shades, volume shades, mini-francards, etc., which are composed of fabrics which do not require a tilting operation, and when the motor 400 is driven. As the fabric of the shade product is elevated, the cord 20 connected to the lower support bar (not shown) of the shade product is wound or unwound when the shaft 300 rotates and moves left and right, so that the fabric 20 is elevated. do.

Therefore, in the second embodiment of the present invention, when the blind of the first embodiment is to be replaced with the shade product, the shade cone 540 is replaced with the shaft 300 instead of the tilting assembly 520, and the shade product instead of the blind product. The connected cord cord 70 is connected to the shaft 300 via the shade cone 540 and the connection ring 510 to the outer circumferential surface of the shaft 300 which is rotated and moved left and right by the moving means 530. The cord line 70 is operated to be wound or unrolled to elevate the fabric of the shade product so that the blind product can be easily changed to the shade product to change the indoor atmosphere, and the user can use one rail frame 100. Has the advantage of choosing the desired product.

Third embodiment

24, the rail frame 100, the shaft 300, the motor 400, the motor shaft 410, and the end cap which are the same as those of the first embodiment described above will be described with reference to FIG. 24. It has a component such as 200, and has a screen assembly 500C coupled to the shaft 300.

The screen assembly 500C is fitted to the outer peripheral surface of the motor shaft 410 of the motor 400 is coupled to the power transmission port 532 and coupled to rotate with the inner peripheral surface of the shaft 300, one end of the shaft 300 Inserted into and coupled to the shaft 300 is coupled to the end of the end cap 200 comprises an end plug 534 supported by a support protrusion 210 protruding on the inner side.

In the third embodiment of the present invention, the above-described moving means 530 is omitted, and instead of the end cone 536, the end plug 534 is supported by the support protrusion 210 of the end cap 200, and the support protrusion is provided. 210 is inserted into the through hole 534e of the end plug 534 to perform the function of supporting the end plug 534.

The end plug 534 is inserted into the hollow 310 through one end of the shaft 300 to support one end of the shaft 300.

In addition, the other end of the shaft 300 is supported by the support protrusion 210 of the end cap 200 is inserted into one end of the motor 400 in a state in which the motor 400 is inserted.

In addition, in the third embodiment of the present invention, the connection ring 510 described above is omitted, and the end of the original fabric is fitted into the fitting groove 320 of the shaft 300 instead of the cord string 70 and is fixed.

As in the first and second embodiments described above, the third embodiment of the present invention is assembled such that the joining surface 110 is fixed to the wall ceiling by using the joining means, and the joining means is an upper surface of the joining surface 110. A locking groove 112 formed on one side and the other side, and a locking protrusion 710 which is locked to one of the locking grooves 112 at one end thereof are formed and extended outward at the other end to fasten the fastening bolts. It consists of a coupling bracket 700 is formed with a fastening portion 720 is formed with a fastening hole 725.

The third embodiment of the present invention having such a configuration can be applied to a screen product such as a combination roll, triple shade, general roll screen, blackout screen, sun screen, etc., which is composed of a fabric which does not require a tilting operation and a movement operation of the shaft 300. The rotational driving force of the motor 400 may be transmitted as a rotational force for rotating the shaft 300 through the power transmission port 532 coupled with the motor shaft 410, and the shaft 300 may be rotated in one direction. As the fabric 300 is wound around the fabric of the screen product, the fabric is raised to transmit external light to the room. On the contrary, when the shaft 300 is rotated in the other direction, the shaft 300 is the screen product. By unwinding the fabric of the fabric by lowering the fabric to its own weight it is possible to block the transmission of external light into the room.

Therefore, the third embodiment of the present invention replaces the tilting assembly 520 and the shade cone 540 when the blind or shade product of the first embodiment is replaced with the screen product, and replaces the end plug 534 with the shaft 300. And the fabric is directly connected to the fitting groove 320 of the shaft 300 and operated so that the fabric of the screen product is wound or unwound on the outer circumferential surface of the shaft 300 which is rotated by the driving force of the motor 400. Since it is possible to elevate, it is possible to easily change the blind product or the shade product to the screen product in order to switch the indoor atmosphere and has the advantage that the user can select the desired product by using one rail frame 100.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the embodiment described above, but should be defined by the claims below and equivalents thereof.

That is, the present invention as described above is not limited to the specific preferred embodiments described above, and those skilled in the art without departing from the gist of the present invention claimed in the claims Various modifications may be made, of course, and such changes are within the scope of the claims.

20: Fabric (shade product) 22: Upper support bar
50: fixing bracket 70: code line
100: rail frame 110: mating surface
112: locking groove 120: extension surface
130: cover plate 200: end cap
210: support protrusion 300: shaft
310: hollow 320: fitting groove
330: locking piece 340: reinforcing rib
400: motor 410: motor shaft
500: Head Assembly 500A: Tilting Assembly
500B: Shade Assembly 500C: Screen Assembly
510: connection ring 512: bend
514: binding unit 520: tilting assembly
522: cone body 522a-1, 522a-2: locking jaw
522b: through-hole 524: cone sleeve
524a: support jaw 525: cone spring
525-1: The first bending piece 525-2: The second bending piece
526: retaining ring 526a: fastening hole
528: tilting cone 528a: connection
528b: binding groove 530: means of transportation
532: power transmission port 532a: connector
532b: tooth groove 532c: connection protrusion
534: End Plug 534a: Pin Body
534b: head portion 534c: interlocking protrusion
534d: 1st screw part 534e: through hole
536: end cone 536a: fastener
536b: second thread part 536c: coupling protrusion
538: Motor holder 538a: Guide groove
539: Motor plug 539a: Guide protrusion
540: shade cone 542: through hole
544: fixing hole 600: detachable means
610: guide rail 612,614: upper and lower fixed jaw
620: stepped portion 630: obstruction
700: coupling bracket 710: locking protrusion
720: fastening portion 725: fastening hole

Claims (10)

A coupling surface 110 coupled to the wall via a coupling means, an extension surface 120 extending downward from one end of the coupling surface 110, and a detachable surface at the other end of the coupling surface 110. A rail frame 100 having a frame shape having a cover plate 130 coupled to the lower side thereof;
End caps (200) provided at both ends of the rail frame (100);
A shaft 300 disposed inside the rail frame 100 and rotatably driven by a driving force of the motor 400 to wind a cord string 70 or a blind fabric on an outer circumferential surface thereof;
A motor shaft 410 inserted into the shaft 300 and driven by a driving force of the motor 400 to be coupled to interlock the shaft 300 via a power transmission port 532;
And a head assembly 500 to which a tilting assembly 500A to which blinds are connected is coupled.
The tilting assembly 500A moves the shaft 300 to the left and the right by the rotational driving force of the motor 400 to spirally wind or unwind the cord 70 to the outer circumferential surface of the shaft 300. Moving means 530, the coupling ring 510 that is detachably coupled to the shaft 300 and connects the cord string 70 to the shaft 300, and at a predetermined angle during the rotation of the shaft 300 And a tilting assembly (520) for tilting the blinds. A coupling surface 110 coupled to the wall via a coupling means, an extension surface 120 extending downward from one end of the coupling surface 110, and a detachable surface at the other end of the coupling surface 110. A rail frame 100 having a frame shape having a cover plate 130 coupled to the lower side thereof;
End caps (200) provided at both ends of the rail frame (100);
A shaft 300 disposed inside the rail frame 100 and rotatably driven by a driving force of the motor 400 to wind a cord string 70 or a blind fabric on an outer circumferential surface thereof;
A motor shaft 410 inserted into the shaft 300 and driven by a driving force of the motor 400 to be coupled to interlock the shaft 300 via a power transmission port 532;
And a head assembly 500 to which the shade assembly 500B to which the blinds are connected is coupled.
The shade assembly 500B moves the shaft 300 to the left and the right by the rotational driving force of the motor 400 so as to spirally wind or unwind the cord 70 to the outer circumferential surface of the shaft 300. Moving means 530, the coupling ring detachably coupled to the shaft 300, the coupling ring 510 for connecting the cord string 70 to the shaft 300, coupled to fit to the outer peripheral surface of the shaft 300 And a shade having a through hole 542 through which a fixing hole 544 and a cord string 70 pass through the fixing bracket 50 for fastening the upper support bar 22 for the shade blind on the lower side with a fastening member. Cone (540); multi-blind headrail assembly comprising a. The method according to any one of claims 1 and 2,
The shaft 300 has a hollow 310 formed therein, a fitting groove 320 is formed to fit both ends of the blind fabric or the connection ring 510 on the outer circumferential surface, and the driving force of the motor 400 is applied to the shaft ( Power transmission port (532) to be transmitted to the 300, the head rail assembly for multi-blind, characterized in that the engaging piece 330 is formed to protrude inwardly so that the rotational force is transmitted. The method according to any one of claims 1 and 2,
It is provided with a detachable means 600 for detachably coupling the cover plate 130 to the other end of the coupling surface 110,
The detachable means 600 is formed at the other end of the coupling surface 110 and the guide rail 610 having upper and lower fixing jaws (612, 614),
A stepped portion 620 formed to be stepped on an upper end of the cover plate 130 to be in contact with the upper fixing jaw 612, and
Multi-blind, characterized in that it is formed to protrude on the inner side of the upper end of the cover plate 130 is provided with a locking projection 630 is interfered with and supported by the lower fixing jaw 614 when the cover plate 130 is rotated Headrail assembly for use. The method according to any one of claims 1 and 2,
The moving means 530 is inserted into the motor shaft 410 of the motor 400 and the power transmission port 532 coupled to rotate in conjunction with the inner peripheral surface of the shaft 300,
An end plug 534 inserted into one end of the shaft 300 and coupled to interlock with the shaft 300 and having a first screw portion 534d having a male thread on an outer circumferential surface of one end thereof;
A second screw portion 536b is disposed between one end of the shaft 300 and the end cap 200 and has a female thread on an inner circumferential surface of the first screw portion 534d of the end plug 534 to spirally rotate. An end cone 536 having a coupling protrusion 536c coupled to the rail frame 100 on an outer circumferential surface thereof,
A motor plug 539 provided at the other end of the shaft 300 and coupled to an end of the motor shaft 410 and having guide protrusions 539a formed on both sides of an outer circumferential surface thereof, and
The motor plug 539 is accommodated and slidably coupled to the left and right, and provided with a motor holder 538 formed with a guide groove 538a on the inner surface to be fitted to the guide projection 539a Head rail assembly for blinds. The method according to any one of claims 1 and 2,
The connection ring 510 is made of a metal material having its own elastic force, both ends are bent inwardly, and the binding portion 514 protruding outward to bind and bind the ends of the cord string 70 is formed. Multi-blind head rail assembly, characterized in that. The method according to claim 1,
The tilting assembly 520 is fitted to the outer circumferential surface of the shaft 300 and is engaged with the end of the cone spring 525 at the left and right sides of the cone sleeve 524 to limit the rotation of the cone spring. A cone body 522 having jaws 522a-1 and 522a-2 formed therein,
A cone sleeve 524 fitted between an inner circumferential surface of the cone body 522 and an outer circumferential surface of the shaft 300 and elastically coupled to the outer circumferential surface of the cone spring 525 to apply a pressing force from the outside;
A cone spring 525 fitted to an outer circumferential surface of the cone sleeve 524 and interfering with the locking jaws 522a-1 and 522a-2 when the cone sleeve 524 is out of a predetermined angle during rotation operation; ,
Fixing ring 526 is fastened to one side of the cone sleeve 524 to prevent the movement of the cone sleeve 524 relative to the longitudinal direction of the shaft 300, and
One side portion is inserted into the inside of the cone body 522 is coupled to surround one side of the cone sleeve 524 and the tilting cone 528 having a connecting piece 528a connected to the other side to bind the blind tilting straps Multi-blind head rail assembly comprising a. The method according to any one of claims 1 and 2,
The shaft 300 is a head rail assembly for a multi-blind, characterized in that the inner reinforcing ribs 340 protruding inwardly formed. The method according to claim 5,
The power transmission port 532 is A connecting protrusion 532c is formed on the outer circumferential surface to interfere with the locking piece 330 and transmit the rotational force of the motor shaft 410 to the shaft 300.
A connection hole 532a corresponding to the shaft gear of the motor shaft 410 is formed on the inner circumferential surface so as to be interlocked by the driving force of the motor shaft 410.
The connection hole (532a) is a multi-blind head rail assembly, characterized in that the gear groove (532b) formed in six directions to correspond to the shaft gear of the motor shaft (410). The method according to any one of claims 1 and 2,
The coupling means includes a locking groove 112 formed on one side and the other side of the upper surface of the coupling surface 110,
A locking protrusion 710 is formed, which is locked to one of the locking grooves 112 at one side end thereof, and extends to the outside at the other end thereof, and a coupling part 720 having a fastening hole 725 for fastening the fastening bolt is formed. Multi-blind head rail assembly comprising a coupling bracket (700).

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