JPH0642275A - Blind - Google Patents

Abstract

PURPOSE:To make it possible to remove a blind or its body and enhance workability required for cleaning and replacement by separating a blind body from a fixing member, forming them so that they may be removed easily and installing a cord holding member so that a rising cord may be removed freely. CONSTITUTION:A fixing body 2, to which a bracket receiving hardware 43 in inserted, is fixed with a bracket 40 fixed with an upper frame of a window or the like. Then, a hook 6b of a set frame 6, which folds a blind body 1, is engaged with a side board 2b where a hook engagement section 2a is engaged with the hook 6b. Then, the set frame 6 is fixed with the fixing body 2 by rotating a lever 12 while a louver 54 is expanded with a lift cord 59. The louver 54 is opened and closed by a vertical motion of a ladder cord 58 produced by the rotation of an actuating rod 57. When the louver is damaged, a cord holder 10 is removed from a bottom frame 9. The lift cord 59 is further pulled out from a lift cord insertion part 54 and replaced with a new one. When the blind body 1 is removed, the engagement between the fixing body 2 and the set frame 6 is released in a procedure opposite to that of mounting operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a Venetian blind which can be removed and replaced.

[0002]

2. Description of the Related Art In recent years, blinds have rapidly become popular in order to make indoor environments such as homes and offices comfortable and to reduce the heat load from the outside due to the spread of air conditioning. The conventional blind will be described below. FIG. 8 is a perspective view of a conventional Venetian blind, and FIG. 9 is a perspective view of a general bracket. 51 is a Venetian blind, 52
Is a set frame made of metal, 53 is a bottom frame which is made of metal or synthetic resin and serves as a weight for preventing swing when the louver is lowered, 54 is a louver made of a thin plate made of synthetic resin, and 55 is a window. A bracket that is fixed to the frame and holds the set frame 52, 56 is an opening adjustment unit that adjusts the opening of the louver 54, and 57 is an opening adjustment unit 56 that rotates the shaft to adjust the opening of the louver 54. Operation rod, 5
Numeral 8 is arranged to face the front and rear of the louver 54, and an auxiliary cord 58a that holds the louver 54 between the front and rear cords by vertically sandwiching or placing the louver 54 is opened according to the operation of the opening adjustment section 56. The rudder cord 59 for changing the degree is inserted through the hole 54a in the widthwise central portion of the rudder cord 58 disposed in front of and behind each louver 54 and the hole 53a in the widthwise central portion of the bottom frame 53, so that the bottom frame 53
An elevating cord fixed inside the louver 54 for elevating and lowering the louver 54 to a predetermined position by a stopper 59a, 60 is an opening adjustment section 5
A ladder cord drum which changes the inclination angle of the louver 54 by moving the front and rear ladder cords 58 up and down by the rotation operation of 6, and 61 operates the opening adjustment section 56 of the respective drums 60, 60.
Is a shaft for transmitting the ladder cord 58 to the bottom frame 53, 63 is a lifting cord stop, and 64 is an auxiliary cord for holding the lifting cord 59. In FIG. 9, reference numeral 65 denotes a bracket fixing plate for fixing the bracket 55, which is formed in a substantially L shape and has a screw hole 65a at a predetermined portion, to the upper frame of the window, and 66 denotes one end of the bracket fixing plate 65. A side holding plate of the set frame 52 which is axially attached to the other end of the set frame 52, and an engaging hole 66b is formed on the other end of the set frame 52. One end of the set frame 52 is attached to the bracket fixing plate 65. The lower holding plate of the set frame 52 has a projecting piece 67a that engages with the engaging hole 66b of the side holding plate 66 at the other end, and 68 is a set projectingly provided at the end of the bracket fixing plate 65. Frame 52
Is a lower support piece that supports the lower part of the.

The operation of the conventional Venetian type blind constructed as described above will be described below. First, the blinds 51 are mounted by mounting the plurality of brackets 55
Are temporarily fixed with double-sided tape to predetermined portions on the lower surface of the upper frame of the window to which the blind 51 is attached, and then fixed with screws. Next, the side holding plate 66 and the lower holding plate 67 of each bracket 55 are expanded, and the lower support piece 68 of each bracket 55 is interposed between the set frame 52 of the blind 51 and the louver 54.
Insert the set frame 52 into each bracket 55 while inserting
After being housed inside, the lower part of the set frame 52 is hung on the lower support piece 68, the side holding plate 66 and the lower holding plate 67 are closed, and the projecting piece 67a is fixed to the engaging hole 66b.
The blind 51 is used by operating the elevating cord 59 to hang the louver 54 and the bottom frame to a desired length, and rotating the operating rod 57 to adjust the opening of the louver 54 according to the strength of sunlight.

[0004]

However, in the above-mentioned conventional structure, when the blind is attached to or removed from the bracket, the blind is heavy and the bracket is installed at a high place. There is a problem that the louver is easily damaged when it is inserted and removed between the louver and the set frame, and it is extremely difficult to remove the blind. In addition, since the blinds are heavy when they are removed, there is a problem that a scaffold must be made and a plurality of people must work, which is inferior in workability and inferior in work safety. Further, since it is difficult to remove the blinds, once the blinds are attached to a window or the like, the blinds are left to be hung on, and they are soiled with dust, cigarette tar, etc., which is unsanitary and impairs the aesthetics of the room. When cleaning the blinds with a chemical rag or mop, sweeping each louver one by one causes the blinds to sway back and forth, so it takes a long time to clean and it is not possible to remove the stains on the cord. There was a problem. In addition, if the louver is broken or damaged, the entire blind must be removed and the lifting cord must be released to replace the broken louver with a new one, and the replacement work is complicated and lacks workability. Further, when cleaning the screen door of the aluminum sash window at home, the blinds obstruct and the upper part of the screen door cannot be cleaned, resulting in a bad appearance and heat.

The present invention solves the above-mentioned problems of the prior art by reducing the weight of the blind and easily removing and installing the blind, and the blind body can be easily washed in whole and can be replaced seasonally and damaged. It is an object of the present invention to provide a Venetian blind that is capable of exchanging only the louver, has excellent workability such as attachment and detachment, and safety and can always keep the room clean.

[0006]

To achieve this object, the present invention has the following constitution. The blind according to claim 1 holds a plurality of louvers arranged in parallel in a horizontal direction or a vertical direction, a bottom frame connected to the rearmost part of the louver, and the bottom frame and the louver. A blind body including a set frame equipped with the louver opening adjustment mechanism, a hooking means disposed in the set frame of the blind body, and a hooking means of the set frame that is detachably hooked. And a fixed body having a hanging means to be worn. The blind according to claim 2 is the blind according to claim 1, wherein the hooking means includes a hook portion rotatably fixed in the fixed body or the set frame, and a link member for rotating the hook portion. , A lever for moving the link member to the left and right, and a hook portion for hooking the hook portion arranged in the set frame or the fixed body. The blind according to claim 3 is the blind according to claim 1 or 2, wherein the opening adjustment rotation part of the louver disposed in the fixed body and the opening adjustment rotation part for rotating the opening adjustment rotation part in forward and reverse directions. The configuration includes a motion transmitting section, an interlocking section that interlocks with the opening adjustment rotating section that is disposed in the set frame, and an opening adjustment mechanism of the louver that interlocks with the interlocking section. The blind according to claim 4 is the blind according to any one of claims 1 to 3.
In any one of the above, an elevating cord that adjusts the louver so that it can be raised and lowered, and an elevating cord hooking portion that detachably fixes an end portion of the elevating cord that is removably disposed in the bottom frame, It has a configuration including.

Here, the set frame is made of a thin metal plate or synthetic resin, but from the viewpoint of workability of the removal and replacement work, PE, PP, A, which are lightweight and have excellent mechanical strength, are used.
A synthetic resin such as TP such as BS or FRTP or FRP is desired. Since the fixed body is placed on the upper frame of the window or the like, it is made of a metal thin plate having excellent durability or the synthetic resin, and a fixing means for attaching a screw hole or a bracket is formed on the upper surface. The mounting means includes one or a plurality of hook-shaped locking means whose ends are rotatably fixed to the upper surface of the fixed body by welding, screwing, or the like when mounted in the fixed body; The locking means is composed of a steel wire such as a piano wire, a string-like material, a chain-like material, or a link material composed of a rod-shaped material such as a metal or a synthetic resin, and the locking means includes a lever for unlocking and locking the locking means. have. The link member is fixed at one end to a locking means such as a lever, at an intermediate portion to each locking means, and at the other end to a farthest locking means or cooperates with a locking means such as a lever at the other end. It is fixed to a rotatable locking part. Locking means such as a lever has a fixing means composed of an elastic body, a cam mechanism, etc. for fixing at the unlocked and locked positions. A link-shaped or hook-shaped hooking portion that hooks with the hooking means in the fixed body is formed in the set frame. The hooking means may replace the mechanism in the fixed body with the mechanism in the set frame. The lower end of the ladder cord is detachably fixed to the bottom frame.
The cord holders for the ladder cord may be provided on both sides of the bottom frame in the width direction as in the conventional case, or may be provided in the bottom frame. An elevating cord is inserted through the elevating cord insertion part formed in the center of the ladder cord disposition part of the louver, one end of the elevating cord is fixed to the shaft in the set frame, and the other end is locked by the elevating cord of the bottom frame. The louver and the bottom frame are vertically detachably fixed to the section. The lifting cord locking portion may be locked to the bottom surface of the bottom frame by screwing or the like, or may be integrally formed in the center portion inside the cord holder of the ladder cord. The predetermined portion of the fixed body is provided with a louver opening adjustment rotation unit and a rotation transmission unit that adjust the inclination angle of the louver. The opening adjustment rotating portion is a gear holding portion arranged and fixed in the fixed body and a substantially conical or cylindrical shape rotatably held by the gear holding portion, or a substantially conical upper portion and a cylindrical base portion. The rotating gear is formed on the bottom with a fitting portion including a recess or a protrusion that fits with the interlocking portion of the set frame. The rotation transmitting unit is formed of a rotation transmitting gear that meshes with the rotation gear of the opening adjustment rotating unit and a driving unit such as an operating rod that rotates the rotation transmitting gear in the forward and reverse directions. The interlocking part arranged in the set frame is formed by the interlocking gear that transmits the rotation of the opening adjustment pivoting part in the fixed body and the shaft pivoting part of the ladder code drum. Made of an engineering resin or the like having a high mechanical strength or a metal-made interlocking gear, and a fitting portion having a convex portion or a concave portion that fits with the rotating gear is formed at the top and a rudder is provided at a side portion or a lower portion. Concavities and convexities that mesh with the gears of the shaft rotating portion of the cord drum are formed. Incidentally, by appropriately selecting the type of gears, for example, a bevel gear, a helical bevel gear, an immediate bevel gear, a staggered bevel gear, etc. are combined to omit the interlocking gear and the shaft of the ladder cord drum. You may make it connect with a rotation part directly. The fitting portion is formed with a concavo-convex portion for joint in order to transmit the rotational force. For example, the convex part is star-shaped,
A cross shape, a one-letter shape, or the like in which the recesses are fitted to each other is used, but it is preferably formed in a mountain shape so that the set frame and the fixed body can be easily fitted together.
In addition, it is preferable that the rotating gear and the interlocking gear having the fitting portion are urged by the elastic body so that the joint is strengthened and the louver can be opened and closed surely.

[0008]

With this structure, since the fixed body and the set frame can be attached and detached, the blinds can be removed together with the set frame and water can be easily washed in a circle during cleaning. Also,
You can refresh the interior cleanly by replacing the blinds with seasonal colors and patterns. When the louver is broken or damaged, the lifting cord can be easily pulled out by releasing the engagement with the lifting cord locking portion arranged on the bottom frame, so that the damaged louver can be easily replaced.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a Venetian blind according to an embodiment of the present invention, FIG. 2 is a perspective view of a main part of a contact surface between a fixed body and a set frame, and FIG. FIG. 4 is a perspective view of a main part when hooked, FIG. 4 is a perspective view of a main part of an opening / closing angle adjusting part of a louver, and FIG. 5 is a perspective view of a bracket and a bracket receiver. In FIGS. 1 and 2, 54 is a louver, 57 is an operating rod for operating an opening adjustment rotating part for adjusting the opening / closing angle of the louver, 58 is a ladder cord, 58a is an auxiliary cord, 59 is an elevating cord, and 59a is an elevating cord. Code 59 stopper, 6
Reference numeral 0 indicates a ladder cord 58 fixed to the front and rear of the louver 54, and the front and rear ladder cords 58 are wound up and down to change the opening and closing angle of the louver 54. 61 is a shaft for rotating the ladder cord drum 60. Is a lifting cord stop of the ladder cord 58, and 64 is an auxiliary cord. Since these are the same as those in the conventional example, the same numbers are given and the description thereof is omitted. A is a Venetian blind in which the fixed body of this embodiment and the set frame of the blind body are detachably formed so that the blind body can be easily removed and replaced, 1 is a blind body, 2 is a synthetic resin such as nylon or polycarbonate, or a thin metal plate With a fixed body that fixes the blind body formed in a long box shape,
The fixed body 2 is detachably locked to a bracket 40 fixed to the upper frame of the window by a bracket receiver 43. Reference numeral 3 denotes a hook-shaped hooking portion which is one of hooking means rotatably mounted on a foot portion 5 of a hooking means supporting plate 4 arranged in the fixed body 2, and 6
Is a set frame in which an opening / closing angle adjusting mechanism of the louver 54 and a hoisting / unwinding mechanism of the louver 54 are internally provided, and 7 is a hook fixed to a hook fixing plate 8 on the contact surface of the set frame 6 with the fixed body 2. A ring-shaped hook, which is one of the means,
Reference numeral 9 is a bottom frame, 10 is a cord holding portion that is fitted to the bottom frame 9 to fix an end portion of the ladder cord 58, and a lifting cord 59 is detachably tied and fixed, and 11 is provided on a lower surface of the fixed body 2. An insertion hole of the ring-shaped hooking portion 7 and a fixed body 2 are formed on the front surface of the fixed body 2.
This is a lever for operating the link material when joining and separating the set frame 6 and the set frame 6. Reference numeral 2a denotes a hook locking portion fixed to the front side portion of the fixed body 2, 6a denotes a hook portion locked to the hook locking portion 2a fixed to the front side portion of the set frame 6, and 6b denotes a fixed body 2. It is a hook that is locked to the side plate 2b. In FIGS. 3 and 4, 13 is a link member made of a steel wire stretched between the hook-shaped hooking portion 3 and the lever 12 or a synthetic resin rod having high rigidity, and 14 is a side plate of the fixed body 2. A gear holding portion of a rotation adjustment rotation portion fixed to a frame, a rotation gear wheel 15 having a cylindrical shape and a toothed shape formed in a toothed shape at the upper portion, and a recessed portion 16 having a cap-like shape formed at the bottom portion, A rotation transmission gear having a toothed tooth profile for transmitting the rotation of the operation rod 57 to the rotation gear 15, and 18 is fitted with the rotation gear 15 in the fixed body 2 to set the rotation of the rotation gear 15. The interlocking gear transmitted to the ladder cord drum 60 in the frame 6 and the interlocking gear 18 are fitting protrusions each having a ridge-shaped protrusion for fitting which is fitted to the fitting recess 16 of the rotating gear 15 at the top. 19 is formed. 15a is a rotating gear 15
Reference numeral 18a denotes a biasing member made of an elastic body such as a spring that biases the interlocking gears 18 to strengthen the joining of the fitting portions. A worm is formed on the side surface of the interlocking gear 18, and the worm wheel-shaped shaft rotating gear 20 is rotated. Reference numeral 21 denotes a shaft support portion that rotatably supports the shaft 61 with a bearing 21a provided therein. In FIG. 5, reference numeral 40 is a bracket made of metal or high-rigidity synthetic resin, and 41 is a substantially bow-shaped fixing member for fixing the bracket 40 to the upper surface of the window or blind box with nails or screws at the center. A bracket insertion portion having a hole 41a, and both edge portions formed in a stepped shape having insertion edges through which the engaging pieces 44 of the bracket receiving portion 43 of the fixed body 2 are inserted, and 42 is a bracket insertion portion as necessary. The bracket 40 is fixed to the wall of the blind box with a screw or the like through the screw hole 42a by a fixing plate that is vertically fixed to the end of the portion 41.
Reference numeral 43 denotes a bracket receiving member made of metal or the like, which has a bracket insertion portion 4 at a substantially central portion arranged and fixed to the fixed body 2.
1 has an engaging piece 44 that forms an insertion passage, and the fixed body 2 is provided at the center of the bottom plate through a hole 41a formed in the bracket insertion portion 41 of the bracket 40 and a washer or the like, and the fixing member 2 is placed on the window. A fixing hole 43a for fixing with a screw or the like is formed in the frame. An opening for mounting a screw is formed on the opposite side of the surface of the fixed body 2 on which the bracket receiver 43 is arranged. FIG. 6 is a perspective view of the cord holder. Reference numeral 10 is a synthetic resin, and a cord holding portion provided with a holding portion 31 that holds the bottom frame 9 when fitted with the bottom frame 9 at both ends of the bending portion, and 32 is an inner center portion of the cord holding portion 10. An elevating cord fixing part for detachably fixing the elevating cord 59 formed in a ring shape to the elevating cord, 33 is an elevating cord lid which is formed with an elevating cord fixing part 32 and which is screwed into the cord holding part 10, and 34 is Ladder cord 5 that winds the bottom frame 9
8 is a holding recess for holding 8. FIG. 7 is a cross-sectional side view of the main parts of the opening adjustment part of the louver, showing a state in which the fixed body and the set frame of another embodiment are engaged. Reference numeral 18 'is an interlocking gear of another embodiment in which the base portion is coaxially thin and a meshing portion 18'b is formed around it, and 20' is a shaft rotating gear meshing with the meshing portion 18'b. is there. As a result of such a configuration, the shaft rotating gear 20 'can be arranged in the central portion in the longitudinal direction of the set frame 6, so that the fixed body 2 and the set frame 6 can be made narrower in the width direction, and as a result, the fixed body 2 and the blind body. It is possible to reduce the weight by 1.

The method of using the Venetian blind of this embodiment having the above structure will be described below. First, the bracket 40 is fixed to the upper frame of the window, the wall of the blind box, or the like. Next, the bracket receiver 43 of the fixed body 2 is inserted into the bracket 40 and the fixed body 2 is fixed to the upper frame of the window or the like. Next, the set frame 6 of the blind body 1 folded up is brought into contact with the fixed body 2, and the hook portion 6b at the end of the set frame 6 is locked to the side plate 2b of the fixed body 2 to rotate the fixed body 2. After fitting the fitting portion 19 of the interlocking gear 18 of the set frame 6 to the fitting portion 16 of 15 and inserting the ring-shaped hooking portion 7 into the insertion hole 11 of the fixed body 2, as shown in FIG. Hook hook 2a to hook 6a
Hang on. When the lever 12 is rotated 90 ° after locking, the link member 13 is pulled to the right side as shown in FIG. 3, the hook-shaped hooking portion 3 is rotated and the ring-shaped hooking portion 7 is hooked, and the set frame 6 is It is fixed to the fixed body 2. The above operation can be easily performed by one worker. The turning gear 15 and the interlocking gear 18 of the opening adjustment turning portion of the louver in the fixed body 2 are easily fitted together because the fitting concave portions 16a and the convex portions 19a are formed in a mountain shape. , Elastic bodies 15a, 18a
Since it is urged by, it can be firmly joined. Next, the louver 54 is expanded by operating the lifting cord 59 of the blind body. To open and close the louver 54, by rotating the operating rod 57, the rotation transmitting gear 17 rotates,
At the same time, the rotating gear 15 and the interlocking gear 18 rotate to rotate the shaft rotating gear 20 and vertically move the ladder cords 58 in front of and behind the louver 54. If any of the louvers 54 is damaged, the cord holding portion 10 is removed from the bottom frame 9, and the lifting cord fixing portion 3 is removed.
The lifting cord 59 fixed to 2 is released, and the lifting cord 59 is damaged, and the lifting cord insertion portion 54 of the louver 54 is broken.
It is possible to easily replace only the damaged louver 54 by removing it from a and replacing it with a new louver 54. To remove the blinds to clean the blinds dirty with dust or cigarette tar, or to replace the blind body 1 according to the season at the change of the season such as winter to summer, pull the louver 54 up and down cord 59. It can be easily carried out by unfolding the fixed body 2 and the set frame 6 by convolving and then rotating the lever 12 of the fixed body 2 in the opposite direction. To clean the blind body 1, the louver 54 and the cords 58, 58a, 59 can be cleanly cleaned by extending the blind body 1 and applying a cleaning solution and cleaning it with a brush.
The cleaned blind body 1 can also be easily set on the fixed body 2. Since the set frame 6 and the bottom frame 9 of the blind body are made of a synthetic resin or the like which is lightweight and has excellent mechanical strength, the blind body is remarkably lightweight and the blind body can be replaced and removed easily. The fixed body 2 may be fixed to the upper frame of the window by using a conventional general bracket depending on the structure of the upper frame of the window.

[0011]

As described above, according to the present invention, the blind is separated into the blind main body and the fixed body, and the blind main body and the fixed body are formed so as to be freely attachable, the weight of the blind main body is reduced, and the blind body can be freely fitted. Since the opening / closing angle adjusting means of the louver and the cord holding portion for detachably attaching the lifting cord are formed, a blind capable of embodying the following excellent effects can be realized. The workability and safety of removing and replacing the blind body can be significantly improved. Since the blind body can be easily attached and detached, the blind body can be easily and surely washed completely with washing water, and the blind body can be replaced every season, so that the cleanliness of the room can be significantly enhanced. In addition, when the blind body is washed in its entirety, it is possible to wash the ladder cord and the lifting cord, which was not possible in the past, and it is possible to increase the cleanliness. Since the louver holding part is detachable, even if some louvers are damaged, you can easily remove the lifting cord from the damaged louver and replace it with a new louver, improving the durability of the blinds and impairing aesthetics. Absent.

[Brief description of drawings]

FIG. 1 is a perspective view of a Venetian blind that is an embodiment of the present invention.

FIG. 2 is a perspective view of a main part of a contact surface between a fixed body and a set frame.

FIG. 3 is a perspective view of a main part when the fixed body and the set frame are hooked together.

FIG. 4 is a perspective view of a main part of an opening / closing angle adjusting unit of the louver.

FIG. 5 is a perspective view of a bracket and a bracket receiver.

FIG. 6 is a perspective view of a cord holder.

FIG. 7 is a cross-sectional side view of a main part of a louver opening adjustment unit.

FIG. 8 is a perspective view of a conventional Venetian blind.

FIG. 9 is a perspective view of a general bracket.

[Explanation of symbols]

 A Venetian blind 1 Blind main body 2 Fixed body 2a Hook engaging part 2b Side plate 3 Hook-like hooking part 4 Hooking means supporting plate 5 Feet part 6 Set frame 6a Hook part 6b Hook part 7 Ring-like hooking part 8 Hooking part Fixed plate 9 Bottom frame 10 Cord holding portion 11 Insertion hole 12 Lever 13 Link material 14 Gear holding portion 15 Rotating gear 16 Fitting recess 17 Rotation transmitting gear 18, 18 'Interlocking gear 18'b Meshing portion 19 Fitting Convex portion 20, 20 'Shaft rotating gear 21 Shaft support portion 21a Bearing portion 31 Clamping portion 32 Elevating cord fixing portion 33 Elevating cord lid 34 Holding concave portion 40 Bracket 41 Bracket insertion portion 41a Fixing hole 42 Bracket fixing plate 43 Bracket Receiver 43a Fixing hole 44 Engaging piece 51 Venetian blind 52 set Lame 53 Bottom frame 53a Hole 54 Louver 54a Elevating cord insertion 55 Bracket 56 Opening adjustment 57 Operation rod 58 Ladder cord 58a Auxiliary cord 59 Elevating cord 59a Stopper 60 Latter cord Drum 61 Shaft 62 Cord holder 63 Elevating cord stopper 64 Auxiliary Cord 65 Bracket fixing plate 66 Side holding plate 67 Lower holding plate 68 Lower supporting piece

Claims (4)

[Claims] 1. A plurality of louvers arranged in parallel in a lateral direction, a bottom frame connected to the rearmost part of the louver, a mechanism for holding the bottom frame and the louver, and adjusting an opening degree of the louver. A blind frame having a set frame mounted with the blind frame, a hooking means arranged in the blind frame of the blind frame, and a hooking means detachably hooked to the hooking means of the set frame. A fixed body, and a blind. 2. The hook means, wherein the hooking means is rotatably fixed in the fixed body or the set frame, a link member for rotating the hook portion, and a lever for moving the link member left and right. The blind according to claim 1, further comprising: a hooking portion that hooks the hook portion disposed inside the set frame or the fixed body. 3. A louver opening adjustment rotation part arranged in the fixed body, a rotation transmission part for rotating the opening adjustment rotation part in forward and reverse directions, and a distribution inside the set frame. The blind according to claim 1 or 2, further comprising: an interlocking portion that interlocks with the provided opening adjustment rotation portion, and an opening adjustment mechanism of the louver that interlocks with the interlocking portion. 4. An elevating cord that adjusts the louver so that it can be raised and lowered, and an elevating cord locking portion that detachably fixes an end portion of the elevating cord that is removably disposed on the bottom frame. The blind according to any one of claims 1 to 3, wherein the blind is provided.