JP4275959B2 - register - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a register mainly used for air blowing adjustment of an air conditioner such as an automobile, and more particularly to a register provided with a round rotating louver that can rotate around an axis parallel to the blowing direction.
[0002]
[Prior art]
Conventionally, as a round register having a cylindrical air outlet, a register having a round rotation louver that can rotate around a central axis along the air blowing direction of the air outlet is disclosed in Patent Document 1 below. Are known.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-280682
This type of register includes a retainer and a bezel formed in a cylindrical shape, and a substantially cylindrical rotation louver is rotatably disposed inside the bezel and the retainer. This rotating louver supports a plurality of movable fins on the inside of the cylindrical frame so that it can be rotated about an axis parallel to the front surface of the cylindrical frame, and the cylindrical frame can be rotated inside the bezel and retainer. Inserted.
[0005]
[Problems to be solved by the invention]
Furthermore, this rotating louver is provided with a steel ball via a coil spring inside the cylindrical frame in order to rotate it with a moderate operating load and moderation when rotating it manually. The arcuate projecting curved surface portions are formed side by side along the circumferential wall inside the retainer, and the steel balls are pressed against the projecting curved surface portions of the circumferential wall surface.
[0006]
For this reason, when manufacturing the register, it is necessary to attach a coil spring or a steel ball, which is a very small part, to a very narrow space along the inner wall surface of the retainer. There was a problem that the workability was poor due to the work of assembling small steel balls and coil springs, and the number of parts increased.
[0007]
The present invention solves the above-mentioned problems, and can obtain a good operation load and moderation feeling when rotating the rotating louver, reduce the number of parts, and improve the assembling workability during manufacturing. An object is to provide a register that can be used.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a register of the present invention has a cylindrical rotating louver mounted in a cylindrical retainer so as to be rotatable about an axis parallel to the blowing direction, and the cylindrical frame of the rotating louver. In a register in which a movable fin is pivotally supported with an axis perpendicular to the rotation axis of the rotation louver as a supporting shaft, an operation load is applied by arranging a large number of protrusions on the inner peripheral wall of the retainer. An operation load applying member having a bifurcated leg portion is attached to the cylindrical frame with the bifurcated leg portion in contact with the operation load applying portion, and the operation load applying member is attached to a spring at an end portion of the attachment base portion. An elastic bifurcated leg portion is provided, and projecting curved surface portions are provided at both ends of the bifurcated leg portion, and the operation load applying member operates the projecting curved surface portions at both ends of the bifurcated leg portion. to press with a spring load to the load applying section, cylindrical Characterized in that attached to the frame.
[0009]
Here, the cylindrical frame may be provided with a support frame, and the operation load application member may be attached by inserting the attachment source portion of the operation load application member into an attachment hole provided inside the support frame. it can.
[0010]
[Action]
The register configured as described above is provided with an operation load applying member having a bifurcated leg portion on the cylindrical frame of the rotation louver in order to generate an appropriate operation load and moderation feeling during the rotation operation of the rotation louver. At the time of manufacture, it is only necessary to attach an operation load applying member having a bifurcated leg to the cylindrical frame of the rotating louver, and the number of parts is smaller and the shape is easier to hold than when attaching a conventional small coil spring and steel ball. Thus, the register can be assembled with good assembly workability.
[0011]
When this register is installed in the air outlet of an air conditioner, the direction of the blowing air is adjusted by changing the angle of the movable fins, or the rotating louver is rotated in the circumferential direction with respect to the retainer. Adjust. When the rotating louver is rotated with respect to the retainer, when the cylindrical frame of the rotating louver is rotated in the circumferential direction, the projecting curved surface portions at both ends of the bifurcated leg portion of the operation load applying member attached thereto However, since it moves in contact with the operation load applying portion of the retainer, an appropriate operation load and a moderate feeling are generated, and the rotation operation of the rotation louver can be performed with a good feeling.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 shows a front view of the register, FIG. 2 shows a perspective view of the register in which the movable fins 21 and 22 near the front face are made transparent so that the inside can be seen through, FIG. 3 shows a cross-sectional view thereof, and FIG. Shows an exploded perspective view thereof.
[0013]
Reference numeral 1 denotes a retainer serving as a base portion of the register, which is formed in a cylindrical shape. The front portion of the cylinder is opened, and a mesh portion 11 having a hexagonal mesh is provided at the rear portion of the cylinder. A support shaft portion 12 for supporting a shaft support portion 28 of the rotation louver 2 described later is provided at the center of the mesh portion 11. This support shaft portion 12 is formed as a shaft along the air blowing direction, and is fitted into a shaft hole 28 a provided in the shaft support portion 28 of the rotation louver 2, so that the rotation louver 2 inserted into the retainer 1 is good. Maintains rotation performance. The mesh portion 11 is provided to prevent foreign matter from being inserted into the register.
[0014]
Further, an inner side of the retainer 1 is formed with an operation load applying portion 13 having a shape in which a large number of protruding portions are arranged on the inner peripheral wall thereof. The operation load applying portion 13 includes an operation load applying member described later. The projecting curved surface portion 43 at the tip of the four bifurcated leg portion 42 contacts and is pressed with an appropriate load. The operation load applying portion 13 is formed by arranging a large number of protruding portions on the circumference of a step portion formed in the thickness direction of the side wall of the retainer 1, and the operation load applying portion 13 is an operation load applying member. By receiving the bifurcated leg portion 42 of 4, an appropriate load and moderation feeling are generated when the rotating louver 2 is rotated.
[0015]
As shown in FIG. 5, the projecting portion provided in parallel with the operation load applying portion 13 can be a projecting portion projecting in a curved surface, but as shown in FIG. It is also possible to provide the operation load applying portion 133 by arranging projecting portions having
[0016]
On the other hand, a locking claw 15 for locking a locking ring 31 of the bezel 3 to be described later is formed on the outer peripheral portion of the retainer 1, and the locking claw 15 is, for example, at an interval of 120 degrees on the circumference. Three are provided. The retainer 1 having such a structure can be formed by integral molding of synthetic resin.
[0017]
A rotating louver 2 that is rotatably inserted into the retainer 1 includes a cylindrical frame 20 composed of a support frame 26 and a cover frame 27, and is perpendicular to the rotating axis of the rotating frame 2 in the cylindrical frame 20. The movable fins 21 and 22 are pivotally supported so as to be rotatable around an axis, and an air outlet 5 is formed in the cylindrical frame 20 of the rotating louver 2 so as to open inside. . In addition, flat portions 20a are provided on both left and right sides of the inner peripheral portion of the cylindrical frame 20, and bearing portions that support the shaft portions 21a and 22a of the movable fins 21 and 22 are provided on the flat portions 20a. It is provided as.
[0018]
As shown in FIG. 1, the movable fin 21 and the movable fin 22 are formed so that the movable fin 21 located on the upper side of FIG. When the fins 21 and 22 are formed in a crescent shape and are rotated in parallel to the front surface, the front opening of the air outlet 5 of the cylindrical frame 20 can be closed with two sheets. Further, as shown in FIG. 3, shafts 21 a are provided on both sides of the movable fin 21 via protrusions so as to be biased toward the back side, and the shafts 22 a are also provided on both sides of the movable fin 22 via protrusions. Are biased toward the back side, and they serve as pivot shafts.
[0019]
Further, a link portion 24 projects from the back surface of the movable fin 21, and similarly, a link portion 25 projects from the back surface of the movable fin 22, and holes are formed at the tips of the link portions 24, 25. The shafts 23a at both ends of the link bar 23 are fitted and inserted into these holes, and both the movable fins 21 and the movable fins 22 are link-coupled via the link portions 24 and 25 and the link bar 23, so that a predetermined rotation range ( From the closed state of the blower outlet 5 to the state in which the fins are parallel to the axial direction of the blower outlet 5, that is, the state parallel to the air blowing direction.
[0020]
In the movable fin 22, the stopper portion 22 b is extended so as to protrude inward on the upper side in FIG. 3, and the stopper portion 22 b hits the back side of the upper movable fin 21 and closes the blowout port 5. 22 stops. When the fins 21 and 22 are rotated to the open position along the blowing direction, the link bar 23 hits the back of the groove in the stopper portion 22b of the movable fin 22 on the lower side of FIG. Stop at the open position.
[0021]
On the other hand, the support frame 26 on the back side of the cylindrical frame 20 is provided with a shaft support portion 28 in the center of the cross-shaped frame, and the support shaft portion 12 rotates in a shaft hole 28a formed in the shaft support portion 28. Inserted as possible. Further, the support frame 26 is provided with a mounting hole 29 along the blowing direction in a portion where the inner peripheral wall is partially thickened. The mounting hole 29 has a mounting base portion 41 of the operation load applying member 4 described later. Is inserted. A cover frame 27 is fitted to the front portion of the support frame 26. For this purpose, a locking claw 26a is provided on the outer periphery of the support frame 26, and a locking ring of the cover frame 27 is provided on the locking claw 26a. 27a can be locked. The support frame 26 and the cover frame 27 are assembled to form a cylindrical frame 20. The cylindrical frame 20 is inserted into the retainer 1 and formed in a shape and size that can be smoothly rotated. .
[0022]
A locking ring 31 is also provided on the outer peripheral portion of the bezel 3, and the locking ring 31 can be locked to the locking claw 15 when the bezel 3 is put on the front portion of the retainer 1. The support frame 26, the cover frame 27, the movable fins 21 and 22, the bezel 3, and the operation load applying member 4 having the above-described structure can be manufactured by being integrally formed with a synthetic resin.
[0023]
When assembling such a register at the time of manufacture, first, as shown in FIG. 4, the shaft portions 21 a and 22 a on both sides of the two movable fins 21 and 22 are provided on the flat portion 20 a inside the support frame 26. The cover frame 27 is fitted on the support frame 26 from above and fitted into the shaft hole 20b or the groove 20c, and the locking ring 27a is fitted and locked to the locking claw 26a of the support frame 26. As a result, the shaft portions 21a and 22a of the movable fins 21 and 22 are fitted in the shaft holes 20b or the grooves 20c of the support frame 26 so as to be turnable, and are held in the cylindrical frame 20 composed of the support frame 26 and the cover frame 27. The two movable fins 21 and 22 are assembled so as to be rotatable within a predetermined angle range. In addition, a bush made of a rubber-like elastic body (not shown) is fitted into one of the shaft portions of the movable fins 21 and 22, and an appropriate operation load is applied to the rotation (tilting) of the movable fin by the bush. Further, as described above, the link bar 23 is connected to the link portions 24 and 25 of both the movable fins 21 and the movable fins 22, and the both fins 21 and 22 are linked and can be tilted in conjunction with each other.
[0024]
Next, the mounting base 41 of the operation load applying member 4 is fitted into the mounting hole 29 provided on the inner side of the support frame 26 of the cylindrical frame 20 from the back side, and the rotating louver 2 is assembled. At this time, the bifurcated leg portion 42 of the operation load applying member 4 is attached at a position along the circumferential wall so as to protrude to the back side. At this time, since the operation load applying member 4 is a single product and has a shape that is relatively easy to hold, the assembling work can be performed much more easily than in the case of using conventional small steel balls and coil springs. . Next, the rotating louver 2 in this state is fitted into the front portion of the retainer 1 from the front, and the shaft support portion 28 is fitted into the support shaft portion 12 on the retainer 1 side.
[0025]
Then, the bezel 3 is fitted into the front portion of the retainer 1 from the front so as to cover the rotating louver 2, and the locking ring 31 is locked to the locking claw 15 on the retainer 1 side. As a result, the protruding curved surface portion 43 at the tip of the bifurcated leg portion 42 of the operation load applying member 4 comes into contact with the operation load applying portion 13 of the retainer 1 and is pressed with an appropriate load, and the assembly of the register is completed. To do.
[0026]
The register having such a configuration is used by being mounted on an air outlet of an air conditioner provided in a part of an instrument panel of an automobile, for example, as shown in FIG. As shown in FIG. 3, the two movable fins 21 and 22 located at the outlet 5 of the register are closed from the closed state, and the upper part of the movable fin 21 on the upper side (portion recessed in an elliptical shape) is pushed with a finger or the like. In this case, the two movable fins 21 and 22 are interlocked and rotated in the counterclockwise direction of FIG. 3 around the shaft portions 21a and 22a, so that they become substantially horizontal and the air outlet 5 is opened. During such a turning operation for opening, a part of the link bar 23 hits the back of the groove of the stopper portion 22b of the movable fin 22, and both the fins 21 and 22 stop at the open position.
[0027]
On the other hand, if the front edge of the movable fin 21 or 22 is pushed down with a finger or the like with both the fins 21 and 22 open, the movable fins 21 and 22 are tilted downward from the horizontal state, and the air blowing direction is downward. Can be directed to. Further, in this state, holding the front edge portion of the movable fin 21 or 22 with a finger or the like and rotating the rotating louver 2 around the central axis of the air outlet 5, as shown in FIG. That is, when the movable fins 21 and 22 are rotated in the circumferential direction of the outlet 5 around the support shaft portion 12 and the movable fins 21 and 22 are tilted, the air blowing direction can be changed to the left and right.
[0028]
When the rotating louver 2 is rotated with respect to the retainer 1 in the circumferential direction, the operation load applying member 4 acts, and the projecting curved surface portion 43 at the tip of the bifurcated leg portion 42 has an appropriate spring load to the retainer 1 side. Therefore, an appropriate operation load is generated in the operation force when the rotating louver 2 is rotated. At this time, as the protruding curved surface portion 43 moves over the protruding portions of the operation load applying portion 13, a feeling of moderation corresponding to the rotated width is generated. At this time, the operation load applying member 4 presses the two projecting curved surface portions 43 of the bifurcated leg portion 42 against the operation load applying portion 13 to generate a load. Therefore, a stable operation load can be generated. Even when the operation load applying portion 13 is somewhat deformed due to strain of the retainer 1 or the like, a stable and appropriate operation load and a good moderation feeling can be obtained.
[0029]
In the above-described embodiment, the register including the rotating louver provided with the two movable fins 21 and 22 has been described. However, one or more fins are disposed between the movable fins 21 and 22. The present invention can also be applied to a round register.
[0030]
【The invention's effect】
As described above, according to the register of the present invention, when the rotating louver is turned in the circumferential direction, the tip of the bifurcated leg portion of the operation load applying member attached thereto has a protruding shape on the retainer side. Since the operation load application section with the parts arranged in parallel contacts and moves with an appropriate load, the rotation operation generates an appropriate operation load and a sense of moderation, and the rotation louver rotates with a good feeling. Operation can be performed. In addition, since both ends of the bifurcated leg hit the operation load applying part, even when the operation load applying part is deformed due to strain of the retainer, etc., compared with the conventional load application by the steel ball and coil spring, A stable operation load can be applied. In addition, the operation load applying member can be formed by a single piece of synthetic resin or the like, and is much easier to hold than conventional small steel balls and coil springs, so that the assembling work can be easily performed.
[Brief description of the drawings]
FIG. 1 is a front view of a register showing an embodiment of the present invention.
FIG. 2 is a perspective view of a register in which a movable fin is made transparent so that the inside can be seen through.
3 is a cross-sectional view taken along the line III-III in FIG.
FIG. 4 is an exploded perspective view of a register.
FIG. 5 is an assembled perspective view of an operation load applying member.
FIG. 6 is a front view of a state in which a rotating louver of a movable fin is turned.
FIG. 7 is an assembled perspective view showing another example of the operation load applying unit.
[Explanation of symbols]
1-Retainer 2-Rotating louver 3-Bezel 4-Operation load applying member 5-Air outlet 13-Operation load applying portion 20-Cylindrical frame 21-Movable fin 22-Movable fin 41-Mounting base portion 42-Bifurcated leg portion 43 -Protruding curved surface

Claims (2)

A cylindrical rotating louver is mounted in a cylindrical retainer so as to be rotatable around an axis parallel to the air blowing direction, and a movable fin is mounted in the cylindrical frame of the rotating louver with the rotating shaft of the rotating louver. In a register that is pivotally supported with a right angle axis as a support axis,
An operation load applying portion having a large number of projecting portions arranged in parallel on the inner peripheral wall of the retainer is formed, and an operation load applying member having a bifurcated leg portion contacts the bifurcated leg portion with the operation load applying portion and contacts the cylindrical frame. The operation load applying member is configured by providing a bifurcated leg portion having spring elasticity at an end portion of the attachment base portion, and providing a projecting curved surface portion at both ends of the bifurcated leg portion. The resistor is attached to the cylindrical frame so as to press the projecting curved surface portions at both ends of the bifurcated leg portion against the operation load applying portion with a spring load . The cylindrical frame is provided with a support frame, and the operation load application member is attached by fitting an attachment source portion of the operation load application member into an attachment hole provided inside the support frame. The register according to claim 1.

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