JP3002242U - Middle frame opening and closing structure for air conditioning grill - Google Patents

Abstract

(57) [Summary] [Purpose] First, to provide a middle frame opening / closing structure for an air-conditioning grill that securely holds the middle frame even if it is long and can be opened and closed easily and quickly without using tools. To do. Second
Reduces the manufacturing cost and the aesthetic appearance is with the inner frame closed. Thirdly, the middle frame can be easily opened and closed within a predetermined range with a simple structure. A locking male portion having a plurality of blades 13, a front surface having an extension surface 9 extending toward the outer frame 1 and a middle frame 2 fitted in the outer frame 1, and having a protruding piece 5 of a bar 6 having a horizontally long tip. 3 is provided on the inner wall of the outer frame 1, and the engaging female portion 4 having the groove 7 on the inner surface of the arc into which the rod 6 is fitted is provided on the extending surface 9 of the opposing inner frame 2, and the rod 6 of the engaging male portion 3 is engaged. The middle frame 2 was fitted into the groove 7 of the female part 4 and connected to the outer frame 1 so as to be openable and closable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is an inner frame for a double-frame air conditioning grill in which an outer frame is openably and closably connected to an outer frame provided with a plurality of blades for adjusting the air volume and direction attached to the air outlets and suction ports of air conditioners and air conditioners. It relates to an opening / closing structure.

[0002]

[Prior art]

 Conventionally, a double-frame air-conditioning grill is one in which an inner frame is connected and fixed to an outer frame fixed to a duct with screws. Further, it is known that an inner frame is openably and closably connected to an outer frame fixed to a duct by using a hinge and is held in an open or closed state by a ball catch or a magnet. When opening the inner frame for replacement and maintenance of the blades and filters installed behind the inner frame and other devices, in the former case, the operator must remove the screws on the back side from the gap between the blades with a screwdriver etc. In addition, it took a lot of time to remove the middle frame, and the workability was poor. In the latter case, when attaching the hinge to the middle frame and the outer frame, it is necessary to use screws to attach it, which requires time and labor for the attachment work, and the middle frame is long, and the weight of the middle frame and the strength of the hinge are not sufficient. Due to problems, the middle frame was biased toward the outer frame, the space between the middle frame and the outer frame was narrowed, and it became difficult to open and close the middle frame.

[0003]

[Problems to be solved by the device]

 The first problem to be solved by the present invention is to solve these problems of the related art, to securely hold the middle frame even if it is long, and to open and close it easily and quickly without using tools. It is intended to provide a middle frame opening / closing structure for an air conditioning grill. The second issue is to reduce the manufacturing cost and to have a beautiful state with the inner frame closed. The third problem is that the middle frame can be easily opened and closed within a predetermined range with a simple structure.

[0004]

[Means for Solving the Problems]

 The configuration of the present invention which solves such a problem is as follows: 1) In an air-conditioning grill in which a middle frame provided with a plurality of blades for adjusting the air volume and direction is attached to an outer frame so as to be openable and closable, a bar-shaped protruding piece having a horizontally long tip is provided. A male stopping portion and a locking female portion having a groove on the inner surface of the arc where the rod shape is fitted are provided at opposite positions of the outer frame and the middle frame, respectively, and the rod shape is rotatably fitted in the groove. The middle frame opening / closing structure for the air-conditioning grill characterized by connecting the middle frame to the outer frame so that it can be opened and closed. 2) For air conditioning, the middle frame with multiple blades for adjusting the air volume and direction is attached to the outer frame so that it can be opened and closed. In the grill, the outer peripheral edge of the front surface of the middle frame is extended to the outer frame, and the locking male portion having a horizontally elongated bar-shaped protruding piece is fitted to the same position on the opposite side of the extending surface and the outer frame. And a locking female portion having a groove on the inner surface of the arc. Middle frame opening / closing structure for air-conditioning grill characterized in that the middle frame is openably and closably connected to the outer frame by rotatably fitting to the outer frame. 3) Locking male part with the middle frame open and closed In the middle frame opening / closing structure of the air conditioning grill according to the above 1) or 2), the stopper surface is provided so as to abut the peripheral wall of the projecting piece.

[0005]

[Action]

 The locking male part and the locking female part, which are attached respectively to the outer frame and the middle frame, which are opposed to each other, are rotatably fitted into the groove of the locking female part with the rod-shaped tip of the protruding piece of the locking male part. The inner frame is connected to the outer frame so that it can be opened and closed freely.When opening and closing the inner frame, the middle frame is opened and closed around the rod-shaped central axis at the tip of the protruding piece of the locking male part. Will be things. This makes it possible to easily open the middle frame and perform maintenance and replacement of the blades, filters installed behind the middle frame, and other devices. Since the locking male part and the locking female part are provided between the outer frame and the middle frame, they are not exposed to the front surface and improve the safety.

If a locking male portion and a locking female portion are provided on the rear side of the extending surface in which the outer peripheral edge of the front surface of the middle frame is extended to the outer frame side and the facing surface of the outer frame facing the extending surface, The extending surface of the inner frame blocks the locking male part and the locking female part from being exposed to the front and is hidden from the appearance, so that the finish is aesthetic.

Further, if a stopper surface is provided on the groove peripheral wall of the locking male portion so as to contact the protruding piece peripheral wall when the inner frame is opened and closed, the rotation range of the protruding piece can be increased by protruding the groove peripheral wall to a predetermined length. It can be adjusted and the opening and closing range of the middle frame can be restricted.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of this embodiment, FIG. 2 is a sectional view taken along line AA, FIG. 3 is an explanatory view showing a main part of this embodiment, and FIG. 4 is an explanatory view showing a state in which an inner frame of this embodiment is opened. 5, FIG. 5 is an explanatory diagram showing another example, FIG. 6 is an explanatory diagram showing another example, FIG. 7 is an explanatory diagram showing another example, and FIG. 8 is an explanatory diagram showing another example.

1 to 4, 1 is an outer frame, 2 is an inner frame, 3 is a locking male part, 4 is a locking female part, 5 is a protruding piece of the locking male part 3, and 6 is a protruding piece 5. A cylindrical rod at the tip, 7 is a groove of the locking female portion 4, 8 is a peripheral wall of the groove 7, 9 is an extending surface of the middle frame 2, 10 is a duct, 11 is a side wall, 12 is a filter, and 13 is a middle. A plurality of blades are attached to the frame 2 in parallel, 14 is a reinforcing member orthogonal to the blades 13 in order to maintain the distance between the blades 13, 15 is a mounting frame attached to the duct 10 using screws 20, and 16 is the same. The filter mounting bracket mounted on the mounting frame 15, 17 is an outer frame mounting bracket mounted on the filter mounting bracket 16, 18 is a screw connecting the filter mounting bracket 16 and the outer frame mounting bracket 17, and 19 is the same Sponge packing that fills the outer frame 1 connected to the frame mounting bracket 17 and the surface of the side wall 11, Reference numeral 0 is a screw for fixing the same mounting frame 15 to the same duct 10, 21 is a rivet for fixing the locking male portion 3 to the inner surface of the outer frame 1, and 22 is a groove which is brought into contact with the projecting piece 5 with the inner frame 2 closed. Stopper surfaces A and 23 at the tip of the peripheral wall of the groove 7 are stopper surfaces B at the tip of the peripheral wall of the groove 7 that is brought into contact with the projecting piece 5 with the inner frame 2 opened. In FIG. 5, 24 is a notch provided in the locking female part 4, and 25 is a convex part of the locking male part 3 fitted in the notch 24. In FIG. 6, reference numeral 26 denotes a guide integrally protruding from the locking male portion 3.

In this embodiment, as shown in FIG. 1, a stretched surface 9 extending in the outer frame direction is provided on the front surface of a middle frame 2 having a plurality of blades 13 for adjusting the air volume and direction, and the middle frame 2 is A peripheral wall 8 that is fitted into the outer frame 1 and has two locking male parts 3 provided on the inner surface on the left side of the outer frame 1 on all sides of the extending surface 9 of the middle frame 2 facing the locking male parts 3 projects. The end of the piece 5 is rotatably fitted into the groove 7 of the locking female part 4 protruding so as to be the inner surface of the arc of the outer peripheral shape of the rod 6, and the middle frame 2 is openably and closably connected to the outer frame 1. Since the locking male part 3 and the locking female part 4 are not exposed on the front surface, and the extending surface 9 of the middle frame 2 is blocked so as not to be seen from the outside, the finish is aesthetic. The middle frame 2 rotates around the rod 6 at the tip of the protruding piece 5 of the locking male portion 3 until the stopper surface B23 at the tip of the peripheral wall 8 of the groove 7 of the locking female portion 4 contacts the protruding piece 5 of the locking male portion 3. When the inner frame 2 is to be closed, the inner frame 2 is closed in the same manner as described above until the stopper surface A22 at the tip of the peripheral wall 8 of the groove 7 of the female locking portion 4 contacts the protruding piece 5 of the male locking portion 3. 2 will rotate. As a result, the operator can easily open and close the middle frame 2 by hand, and can easily replace and maintain the blades 13 of the middle frame 2, the filter 12 behind the middle frame 2 or other devices. , Can always be kept hygienic and safe. Further, since the stopper surfaces A22, B23 at the tip of the peripheral wall 8 of the groove 7 of the locking female portion 4 limit the opening / closing range of the middle frame 2, if the peripheral wall 8 of the groove 7 is protruded by a predetermined length, the middle frame 2 The opening and closing range of can be changed. Further, if the locking female portions 4 are provided on all sides of the extending surface 9 of the middle frame 2, the required number of locking male portions 3 are provided on the inner surface of the outer frame 1 even if the middle frame 2 is long, The strength for supporting the long middle frame 2 can be improved by fitting it into the groove 7 of the locking female portion 4.

It is not limited to providing the locking male portion 3 on the outer frame 1 and the locking female portion 4 on the middle frame 2. The locking male part 3 and the locking female part 4 may be integrally attached to the outer frame 1 and the middle frame 2 as separate members, or may be integrally formed.

In another example shown in FIG. 5, a notch 24 is provided in the peripheral wall of the groove 7 of the locking female portion 4 integrally provided behind the extending surface 9 of the middle frame 2 and the middle frame 2 is opened. This is an example in which the locking male portion 3 is provided with a convex portion 25 that fits into the cutout portion 24 at that time. Other configurations, reference numerals, and operational effects are the same as those in the present embodiment. As a result, when the inner frame 2 is opened, the notch 24 provided in the circumferential wall of the groove 7 of the locking female part 4 fits into the convex portion 25 of the locking male part 3, and the locking male part 3 and the locking female part 4 are engaged. The inner frame 2 can be opened and closed without imposing a burden on the inner frame 2.

Another example shown in FIG. 6 is an example of the locking male portion 3 in which the guide portion 26 for guiding the peripheral end of the extending surface 9 of the middle frame 2 is projected. Other configurations, reference numerals, and operational effects are the same as those of the other example shown in FIG.

In another example shown in FIG. 7, a locking male portion 3 having a projecting piece 5 of a rod 6 at the tip is attached to the rear side of the extending surface 9 of the middle frame 2 with a rivet 21, and is attached to the inner surface of the outer frame 1 facing each other. This is an example in which the groove 7 of the female stopper portion 4 is projected, and the rod 6 of the protruding piece 5 is rotatably fitted in the groove 7. Other configurations, reference numerals, and operational effects are the same as those in the present embodiment.

[0015]

[Effect of device]

 According to the present invention, a locking male portion having a projecting piece having a rod-like tip and a locking female portion having a groove into which the rod-shaped fitting is provided are provided on the inner frame and the outer frame, which face each other. The structure is such that the inner frame is rotatably fitted in the groove and the inner frame is openably and closably connected to the outer frame. Therefore, the operator can open and close the inner frame very easily without using any tools. It may be easy to clean, replace filters behind the frame, or maintain other equipment. As a result, the air-conditioning grill can always be kept hygienic and highly safe. Since the locking male part and the locking female part do not project to the front, it is highly safe and does not hurt the operator when opening and closing the inner frame. In addition, although the rod shape integrally formed at the tip of the protruding piece of the locking male part is fitted in the groove of the locking female part, the length of the locking male part and the locking female part can be changed by changing the length. Since it has a strength that can reliably support even a long middle frame, the manufacturing cost can be greatly reduced.

When the front surface of the middle frame extends to the outer frame side, this extending surface blocks the locking male portion and the locking female portion from being visible from the outside. It will be aesthetic.

If the stopper female portion is provided with a stopper surface that comes into contact with the projecting piece when the inner frame is opened and closed, the rotation range of the projecting piece is limited, and the opening and closing range of the inner frame is limited. , Easy to use.

[Brief description of drawings]

FIG. 1 is a front view of the present embodiment.

FIG. 2 is a sectional view taken along line AA.

FIG. 3 is an explanatory diagram showing a main part of the present embodiment.

FIG. 4 is an explanatory diagram showing a state in which an inner frame of the present embodiment is opened.

FIG. 5 is an explanatory diagram showing another example.

FIG. 6 is an explanatory diagram showing another example.

FIG. 7 is an explanatory diagram showing another example.

FIG. 8 is an explanatory diagram showing another example.

[Explanation of symbols]

 1 Outer Frame 2 Middle Frame 3 Locking Male Part 4 Locking Female Part 5 Projecting Piece 6 Rod 7 Groove 8 Circumferential Wall 9 Extending Surface 10 Duct 11 Sidewall 12 Filter 13 Blade 14 Reinforcing Material 15 Mounting Frame 16 Filter Mounting Bracket 17 Outer Frame Mounting Bracket 18 screw 19 sponge packing 20 screw 21 rivet 22 stopper surface A 23 stopper surface B 24 notch portion 25 convex portion 26 guide

Claims (3)

[Scope of utility model registration request] 1. An air-conditioning grill comprising an outer frame and a middle frame provided with a plurality of blades for adjusting the air volume and the direction of the air flow, and the locking male portion having a horizontally elongated rod-shaped projecting piece and the rod-shaped fitting. A locking female part having a groove on the inner surface of the arc to be fitted is provided at a position where the outer frame and the inner frame face each other, and the rod is rotatably fitted in the groove to open and close the inner frame to the outer frame. A mid-frame open / close structure for the air-conditioning grill characterized by being freely connected. 2. In an air-conditioning grill in which an outer frame is provided with an inner frame provided with a plurality of blades for adjusting the air volume and the wind direction, the outer peripheral edge of the front surface of the inner frame is extended to the outer frame, and the rear and outer sides of the extending surface. A locking male part having a bar-shaped projecting piece with a horizontally elongated tip and a locking female part having a groove of an arc inner surface for fitting the bar-shaped are respectively provided at positions facing the frame, and the bar-shaped part is formed in the groove. A middle frame opening / closing structure for an air conditioning grill, characterized in that the middle frame is connected to the outer frame so as to be openable / closable by being rotatably fitted to. 3. The middle frame opening / closing structure for an air-conditioning grill according to claim 1, wherein the locking female portion is provided with a stopper surface that comes into contact with the protruding piece peripheral wall of the locking male portion when the middle frame is opened and closed.