JP2003184449A - Opening and closing operating device for louver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening and closing operating device for a louver adapted to open and close a louver according to the sliding operation, capable of improving the operability, simplifying the support structure of an operating member and overcoming the disadvantage that the operating member projects on this side to obstruct. <P>SOLUTION: The opening and closing operating device 7 for the louver 6 is equipped with a body case 17 fitted along a vertical frame 2, a knob case 18 slidably provided on the body case 17 to open and close the louver 6 according to the sliding operation in the direction along the vertical frame 2, a lock member 19 engaged with an engagement part 17a of the body case 17 to lock sliding of the knob case 18, and an unlock knob 20 provided in the knob case 18 to freely project and sink to release engagement of the lock member 19 according to the push-in operation in the direction along the vertical frame 2. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a louver opening / closing operation device which is provided on a frame body having an openable / closable louver (or louver) and which opens / closes the louver according to a sliding operation of the louver.

[0002]

2. Description of the Related Art Generally, an open / close type (blade angle adjusting type) louver is capable of simultaneously operating a plurality of blade bodies provided on a frame body via a blade support shaft so as to be opened and closed. And a blade body interlocking mechanism for interlocking connection. A louver opening / closing operation device is usually provided in a frame body including this type of louver, and the louver is opened / closed in accordance with an operation of the louver opening / closing operation device.

As the opening / closing operation device for the louver, as shown in Japanese Patent Laid-Open No. 2001-164847,
It is known to open and close the louver according to the sliding operation of the knob. The louver opening / closing operation device disclosed in the above publication includes a main body case attached to a frame body and a knob slidably provided on the main body case.
The louver is opened / closed in accordance with the sliding operation of the knob, and the slide of the knob is locked by the engagement of the engaging portion formed on the knob with the engaging portion formed on the main body case. Is fixed at an arbitrary angle. Also, the knob is biased toward the engaging portion of the main body case,
By operating the knob in the unlocking direction against the biasing force, the sliding operation of the knob is allowed.

However, the above-mentioned conventional louver opening / closing device has the following problems. (1) Since the knob itself is operated in two directions (opening / closing operation direction and unlocking operation direction), the operation is difficult and the supporting structure of the knob becomes complicated. (2) Since the knob is biased toward the front side, in the normal state (slide lock state), the knob largely protrudes toward the front side and becomes an obstacle. (3) Since the knob is connected to the connecting link of the blade body interlocking mechanism, a flexible means such as an elongated hole is required between the knob and the connecting link, and the blade body is apt to rattle. (4) Since the connection distance between the knob and the blade interlocking mechanism is long, a large tilt load (moment) acts on the knob,
The smooth slide of the knob is hindered. (5) Since the sliding range of the knob is narrow, it is difficult to adjust the blade angle.

[0005]

SUMMARY OF THE INVENTION The present invention was devised to eliminate the above-mentioned problems, and the opening / closing operation of the louver is performed while opening / closing the louver according to the slide operation. It is possible to separately provide a knob case and a lock release knob for releasing the slide lock of the knob case. Therefore, the released state in which the lock release knob is gripped and pushed is the same as the state where the knob case is gripped. It is not possible to open and close the louver, and each operation can be performed by a unified connection operation to improve operability, and it is possible to simplify the support structure of the operation member, and An object of the present invention is to provide an opening / closing operation device for a louver, which can avoid the inconvenience that the operation member projects toward the front side and becomes an obstacle.

[0006]

In order to solve the above problems, a louver opening / closing operation device according to the present invention is provided on a frame body having an opening / closing louver, and is a louver opening / closing operation device for opening / closing the louver. There is a main body case attached along the frame body, a knob case slidably provided on the main body case, for opening and closing the louver according to a sliding operation in the direction along the frame body, and the knob case. A lock member that is internally mounted and that engages with an engaging portion of the main body case to lock the slide of the knob case, and is provided so as to be retractable in and out of the knob case, and according to a pushing operation in a direction along the frame body, And a lock release knob for releasing the engagement of the lock member.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A louver opening / closing operation device, which exemplifies an embodiment of the present invention as a preferred embodiment, will be described in detail below with reference to the drawings. FIG. 1 is a front view of a frame body provided with an openable louver. As shown in this figure,
The frame body 1 includes a pair of left and right vertical frames 2, a middle frame 3 located between the vertical frames 2, and a pair of upper and lower horizontal frames 4. The pair of left and right windows 5 surrounded by the frame members 2, 3 and 4 are provided with openable and closed (blade angle adjustment type) louvers 6, respectively. An operation device 7 (hereinafter referred to as an opening / closing operation device) is provided, and the corresponding louver 6 is opened / closed according to an operation of each opening / closing operation device 7. Note that the louvers 6 provided in the left and right window portions 5 are left and right handed and have substantially the same configuration, so the louver 6 provided in the right window portion 5 will be described below.

2 is a front view of the louver, FIG. 3 is a plan view of the louver, FIG. 4 is a right side view of the louver, and FIG. 5 is an AA of the louver.
FIG. As shown in these figures, the louver 6 is
A plurality of blade bodies 8 arranged side by side in the window portion 5 at predetermined intervals in the vertical direction, and a non-connecting side blade support for rotatably supporting the left end (non-connecting side) of the blade bodies 8 on the middle frame 3. A shaft 9, a connecting-side blade support shaft 10 for rotatably supporting the right end (connection side) of the blade 8 on the vertical frame 2, and a blade-body interlocking mechanism for interlockingly connecting a plurality of blades 8 so that they can be simultaneously opened and closed. And 11. The blade body 8 is a hollow resin molded product, and both ends thereof are fitted and supported by the left and right blade support shafts 9 and 10. The non-connecting side blade support shaft 9 has a blade body fitting portion 9a fitted to the left end portion of the blade body 8 and a shaft portion 9b rotatably supported by the middle frame 3.
And a retaining portion 9c for retaining the inner frame 3 from the inner frame 3, and are independently assembled to the inner frame 3. On the other hand, the connecting-side blade support shaft 10 is provided on the connecting plate 12 in advance and assembled to the vertical frame 2 as an assembly. Each of the connecting-side blade support shafts 10 has a blade-body fitting portion 10a that fits into the right end portion of the blade body 8, a shaft portion 10b that is rotatably supported by the connecting plate 12, and retainment from the connecting plate 12. And a retaining portion 10c for preventing

The blade body interlocking mechanism 11 includes a connecting arm 13 integrally provided on each connecting-side blade supporting shaft 10, a connecting pin 14 projecting from each connecting arm 13, and the connecting pin 14.
And a connection link 15 for connecting the two. That is, when any one of the connecting-side blade support shafts 10 rotates, the connecting link 1
All of the connecting-side blade support shafts 10 connected via 5 rotate in the same manner so that the blade bodies 8 are simultaneously opened and closed. Gears 16 are provided on adjacent predetermined connecting-side blade supporting shafts 10 of the connecting-side blade supporting shafts 10. The gear 16 has a disk shape centering on the rotation fulcrum of the blade body 8, and sector gear-shaped meshing teeth are formed on the outer peripheral portion thereof. Further, the gear 16 of the present embodiment is provided with the connecting pin 14, and is configured to function also as the connecting arm 13.

FIG. 6 is a front view of the opening / closing operating device, FIG. 7 is a side view of the opening / closing operating device, FIG. 8 is a rear view of the opening / closing operating device, and FIG.
Is a plan view of the opening / closing operation, and FIG. 10 is B- of the opening / closing operation device.
FIG. 11 is a sectional view taken along line B-C and FIG. 11 is a sectional view taken along line C-C of the opening / closing device. As shown in these drawings, the opening / closing operation device 7 includes a main body case 17 attached to the front of the vertical frame 2 and a knob case 1 provided on the main body case 17 so as to be vertically slidable.
8, a lock member 19 that engages with the engaging portion 17a of the main body case 17 in the knob case 18 and locks the slide of the knob case 18, and is provided at the upper and lower end portions of the knob case 18 so as to be retractable. A pair of lock release knobs 2 that release the engagement of the lock member 19 according to the pushing operation.
And 0.

The main body case 17 has a plate-like shape along the vertical frame 2, and has an engaging portion 17a having a plurality of engaging teeth at predetermined intervals in the vertical direction on its surface and facing the vertical direction. The guide hole 17b having a long hole shape is formed in a left-right divided manner, while the guide hole 1 is provided on the back surface of the main body case 17.
A hollow guide protrusion 17c communicating with 7b is formed.
Further, the body case 17 has mounting holes 17 on both upper and lower sides thereof.
It has d and is fixed to the vertical frame 2 via a fixing screw 21 which is inserted into the mounting hole 17d. At that time, the guide convex portion 17c is fitted into a mounting hole formed in the vertical frame 2, and communicates the inside and outside of the vertical frame 2 through the guide hole 17b.

The knob case 18 is in the shape of a horseshoe in a plan view, and a fitting convex portion 18c projecting rearward is integrally formed at the right offset position thereof. The fitting protrusion 18c is fitted into the guide hole 17b of the main body case 17, and the guide protrusion 17c
The left and right inner side surfaces of c are slidably guided in the vertical direction. Further, a pair of upper and lower retaining pins 22 facing in the left-right direction are pierced into the base end of the fitting convex portion 18c in a penetrating manner.
The knob case 18 is prevented from coming off by engaging with the elongated hole 17e formed in the. A rack 18d having a large number of meshing teeth is integrally formed at a tip portion of the fitting convex portion 18c at a predetermined interval in the vertical direction. The rack 18d meshes with the gear 16, and the vertical movement of the rack 18d causes the gear 16 to rotate. That is, when the knob case 18 is slid in the vertical direction, the rack 18d formed integrally with the knob case 18 rotates the gear 16, and the blade body 8 forming the louver 6 is opened / closed accordingly.

In this embodiment, as described above,
A gear 16 is attached to each of the two adjacent connecting-side blade support shafts 10.
Is equipped with a rack 18 for the upper and lower gears 16.
d is meshed. The rack 18d meshes only with the upper gear 16 near the louver closed position, meshes only with the lower gear 16 near the louver open position, and slides so as to mesh with both gears 16 simultaneously at the louver half-opened position. The range is set. As a result, the slide operation range of the knob case 18 can be widened as much as possible while suppressing the length of the rack 18d. As a result, the operation amount of the louver 6 with respect to the operation amount of the knob case 18 can be reduced, It is possible to perform accurate blade angle adjustment.

FIG. 12A is an exploded front view of the lock member and the unlock knob, FIG. 12B is an exploded side view of the lock member and the unlock knob, and FIG. 12C is an exploded rear view of the lock member and the unlock knob. Is. As shown in these figures, the lock member 19 is a rack-shaped member that is long in the up-down direction, and the rear surface of the lock member 19 has the engagement portion 1 of the main body case 17.
A large number of engaging teeth 19a that engage with 7a are formed at predetermined intervals in the vertical direction, and the engaging teeth 19a engage with the engaging portion 17a in a stepless manner so that the blade angle of the louver 6 can be increased. It becomes possible to fix at any angle. Lock member 19
The knob case 18 is formed by fitting the guide grooves 19b formed in the left and right side surfaces of the knob case 18 in the front-rear direction and the guide protrusions 18e formed on the inner surface of the knob case 18.
It is supported so that it can slide back and forth inside. Further, a pair of upper and lower springs 23 is interposed between the lock member 19 and the knob case 18, and the spring 23 urges the lock member 19 toward the engaging portion 17a. This allows
The lock member 19 is normally engaged with the engaging portion 17a, and the slide of the knob case 18 is locked.

The unlocking knob 20 is a knob case 1
8 are fitted in the upper and lower end portions of the knob case 8 in a retractable manner, and an engaging projection (not shown) formed on the knob case 18 is engaged with an engaging hole 20a formed on the front surface of the knob case. It is stopped from 18. The lock release knob 20 has a recess 20b into which the end of the lock member 19 is inserted, and further, inclined guide surfaces 20c for operating the lock member 19 in the lock release direction are formed on both left and right sides of the recess 20b. That is, a plurality of inclined surfaces 19c that come into contact with the respective inclined guide surfaces 20c of the lock release knob 20 are also formed on both left and right sides of the lock member 19, and the upper and lower lock release knobs 20 can be moved in directions toward each other. When pushed in, the tilted guide surface 20c of each lock release knob 20
It acts so as to push the inclined surface 19c of the lock member 19 forward. Thereby, the lock member 19 and the engaging portion 17a
Is disengaged, and the sliding operation of the knob case 18 is allowed. On the other hand, after sliding the knob case 18 and releasing the finger from the unlock knob 20, the spring 2
As the lock member 19 is returned to the slide lock position by the urging force of 3, the inclined surface 19c acts to push the inclined guide surface 20c of the lock release knob 20 in the protruding direction, and the lock release knob 20 is in the protruding position. Will be returned to. Reference numeral 20d denotes a slide guide piece extending from each lock release knob 20 along the main body case 17.

In the embodiment of the present invention configured as described above, when adjusting the blade angle of the louver 6, the lock release knobs 20 provided above and below the knob case 18 are provided.
Are pushed in with two fingers so that they approach each other. When the upper and lower lock release knobs 20 are pushed in, the lock member 19 is pushed against the urging force of the spring 23.
7, the vertical sliding operation of the knob case 18 is allowed to move away from the engaging portion 17a. Knob case 18 in this state
When the sliding operation is performed along the frame body 2 in the vertical direction, the rack 18d integrally formed with the knob case 18 rotates the gear 16 provided on the coupling side blade support shaft 10, and accordingly, the blade bodies of the louver 6 are rotated. 8 simultaneously opens and closes. When each blade body 8 reaches the desired angle, the lock release knob 2
When the finger is released from 0, the biasing force of the spring 23 causes the lock member 19 to move.
Engages with the engaging portion 17a again. As a result, the slide of the knob case 18 is locked, and each blade 8 is fixed at that angle.

As described above, the opening / closing operation device 7 for the louver 6 according to the present embodiment is provided with a main body case 17 mounted along the vertical frame 2 and slidably provided on the main body case 17 in a direction along the vertical frame 2. Louver 6 according to the slide operation of
Knob case 18 for opening and closing, and the knob case 18
A lock member 1 that is installed inside and that locks the slide of the knob case 18 by engaging with the engaging portion 17a of the main body case 17.
9 and a vertical frame 2 which is provided so as to be retractable in the knob case 18.
The louver 6 is configured to be opened and closed in response to a slide operation while being configured to include the lock release knob 20 that releases the engagement of the lock member 19 in response to a pushing operation in the direction along the louver 6. A knob case 18 for performing an operation and a lock release knob 20 for releasing a slide lock of the knob case 18 can be separately provided. Therefore, the released state in which the lock release knob 20 is gripped and pushed is as it is. The louver 6 can be opened / closed in the same state as when the user grips 18, and operability can be improved by performing a unified connection operation for each operation. It is possible to simplify the structure, and it is also possible to avoid the inconvenience that the operation member projects toward the front side and becomes an obstacle.

Further, since the pushing operation direction of the unlocking knob 20 is the same as the sliding operation direction of the knob case 18, the operating directions can be unified and the operability can be improved.

Further, since a pair of the unlocking knobs 20 are provided on the knob case 18 and are pushed in the directions approaching each other, the unlocking operation can be easily performed with two fingers. With the two fingers, the knob case 18 can be slid while maintaining the unlocked state.

Further, since the lock release knobs 20 are provided on both end sides of the lock member 19 in the longitudinal direction, the pushing operation force of the lock release knob 20 is applied to both end sides of the lock member 19 to surely operate to the lock release side. Can be made.

Further, since the lock release knob 20 is provided with the inclined guide surface 20c for moving the lock member 19 in the disengagement direction in response to the pushing operation, the lock member 19 is disengaged without providing a complicated mechanism. It can be operated, and as a result, the number of parts can be reduced and the structure can be simplified.

Further, the lock member 19 is composed of the main body case 17
The unlocking knob 20 is biased by the spring 23 toward the engaging portion 17a and returns to the projecting position by the biasing force, so that the restoring spring of the unlocking knob 20 is unnecessary, and as a result, the number of parts is reduced. Also, the structure can be simplified.

Further, the lock member 19 is composed of the main body case 17
Since it engages with the engaging portion 17a of steplessly, the blade angle of the louver 6 can be adjusted steplessly, and as a result,
It is possible to obtain the optimum blade angle according to the situation.

Further, the louver 6 is capable of simultaneously operating a plurality of blade bodies 8 provided on the vertical frame 2 (middle frame 3) via the blade support shafts 9 and 10 so as to be opened and closed. The knob case 18 of the opening / closing operation device 7 is a rack 18d that meshes with a gear 16 provided on a predetermined blade support shaft 10.
Since the opening / closing operation device 7 is integrally provided with the louver 6 without interposing a flexible means such as a long hole, it is possible to prevent rattling of the blade body 8. Moreover, the opening / closing operation device 7 and the louver 6 are connected to each other. It is possible to shorten the connection distance of the slash as much as possible and avoid an increase in the operating load due to the moment.

The gear 16 is provided on a plurality of blade support shafts 10 adjacent to each other, and at least one of the gears 1 is provided.
Since 6 maintains the meshed state with the rack 18d, the slide operation range of the knob case 18 can be made as wide as possible while suppressing the length dimension of the rack 18d, and as a result, the operation amount of the knob case 18 can be increased. The amount of movement of the louver 6 with respect to can be reduced, and the blade angle can be adjusted accurately.

[0026]

The present invention is a louver opening / closing operation device 7 provided on a frame body 1 having an openable / closable louver 6 and for opening / closing the louver 6, and is a main body attached along the frame body 1. A case 17 and a knob case 18 that is slidably provided on the main body case 17 and opens and closes the louver 6 according to a sliding operation in a direction along the frame body. A lock member 19 that engages with an engaging portion of the knob case 18 to lock the slide of the knob case 18, and the lock member that is provided in the knob case 18 so as to be retractable and retractable in response to a pushing operation in a direction along the frame 1. By providing the lock release knob 20 for releasing the engagement of the louver 19, the louver 6 can be opened / closed while the louver 6 is opened / closed in response to a slide operation. A knob case 18 and a lock release knob 20 for releasing the slide lock of the knob case 18 can be separately provided. Therefore, the release state in which the lock release knob 20 is gripped and pushed in holds the knob case 18 as it is. The louver 6 can be opened / closed in the same state as described above, and each operation can be performed by a unified connection operation to improve operability, and the support structure of the operation member is simplified. In addition, it is possible to avoid the inconvenience that the operation member projects toward the front side and becomes an obstacle.

[Brief description of drawings]

FIG. 1 is a front view of a frame body provided with an openable louver.

FIG. 2 is a front view of a louver.

FIG. 3 is a plan view of a louver.

FIG. 4 is a right side view of the louver.

FIG. 5 is a cross-sectional view taken along the line AA of the louver.

FIG. 6 is a front view of the opening / closing operation device.

FIG. 7 is a side view of the opening / closing operation device.

FIG. 8 is a rear view of the opening / closing operation device.

FIG. 9 is a plan view of an opening / closing operation.

FIG. 10 is a sectional view taken along line BB of the opening / closing device.

FIG. 11 is a sectional view taken along line CC of the opening / closing device.

12A is an exploded front view of a lock member and an unlock knob, FIG. 12B is an exploded side view of a lock member and an unlock knob, and FIG. 12C is an exploded rear view of a lock member and an unlock knob. .

[Explanation of symbols]

1 frame 2 vertical frames 3 middle frame 4 horizontal frames 6 louvers 7 Opening / closing device for louvers 8 feathers 9 blade support shaft 10 blade spindle 11 Feather body interlocking mechanism 13 connection arm 15 Link 16 gears 17 body case 17a engaging part 18 knob case 18d rack 19 Lock member 20 Unlock knob 20c inclined guide surface 23 Spring

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Claims (9)

[Claims] 1. A louver opening / closing operation device which is provided in a frame body having an openable / closable louver and which opens / closes the louver, wherein the main body case is attached along the frame body, and is slidable on the main body case. And a knob case that opens and closes the louver according to a sliding operation in a direction along the frame body, and is installed in the knob case, and engages with an engaging portion of the main body case to slide the knob case. A louver, comprising: a lock member for locking; and a lock release knob that is provided to be retractable from the knob case and that releases the engagement of the lock member in response to a pushing operation in a direction along the frame. Opening and closing operation device. 2. The opening / closing operation device for a louver according to claim 1, wherein the lock release knob has a push-in operation direction that is the same as a slide operation direction of the knob case. 3. The opening / closing operation device for a louver according to claim 1, wherein a pair of the lock release knobs are provided on the knob case and are operated by pushing in a direction in which they approach each other. 4. The opening / closing operation device for a louver according to claim 1, wherein the lock release knobs are provided on both longitudinal ends of the lock member. 5. The louver according to claim 1, wherein the lock release knob includes an inclined guide surface that moves the lock member in an engagement releasing direction in response to a pushing operation of the lock release knob. Opening and closing operation device. 6. The lock member according to claim 1, wherein the lock member is urged toward an engaging portion of the main body case, and the urging force causes the lock release knob to return to a projecting position. An opening / closing operation device for a louver described in Crab. 7. The louver opening / closing operation device according to claim 1, wherein the lock member engages with an engagement portion of the main body case in a stepless manner. 8. The louver comprises a plurality of blade bodies provided to the frame body via a blade support shaft so as to be capable of being opened and closed, and a blade body interlocking mechanism for interlockingly connecting the plurality of blade bodies so as to be simultaneously operable. The louver according to any one of claims 1 to 7, wherein the knob case is integrally provided with a rack that meshes with a gear provided on a predetermined blade support shaft. Opening and closing device. 9. The louver according to claim 8, wherein the gear is provided on a plurality of adjacent blade support shafts, and at least one of the gears maintains a meshed state with the rack. Opening and closing device.