JPH0416106Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to a damper opening/closing mechanism for a register for adjusting the amount of ventilation into the interior of an automobile.

(Prior Art) Conventionally, as shown in FIG. 6, the damper opening/closing mechanism of this type of register includes a dial 101 that is pivotally supported by a bezel 100 and manually operated by a driver;
A sector gear 104 is coaxially fixed to a rotating shaft 103 of a damper 102, and a gear portion 101a that meshes with the sector gear 104 is provided in a part of the dial 101.

In such a damper opening/closing mechanism, dial 10
1 in one of the directions indicated by the arrows in the figure, the rotary shaft 103 is rotated via the sector gear, thereby opening and closing the damper 102.

(Problems to be solved by the invention) However, in the conventional damper opening/closing mechanism as described above, the damper 102 is opened/closed by turning the dial 101 with a finger using friction, which is difficult to operate, and the weight of the damper 102 is large. Due to these factors, operations that rely on such friction require considerable force. Further, to facilitate such friction-based operations, the surface of the dial 101 is usually provided with serrations.
As mentioned above, since the operation requires a considerable amount of force, the serrations cause the fingers to rub and become painful. Furthermore, such a dial-type mechanism has the disadvantage that it is necessary to rotate the dial 101 many times until the damper 102 is completely opened or closed, and the operation is time-consuming. In addition, in a structure using such a dial 101, the appearance of the dial 101 does not change whether the damper 102 is in the open or closed state, so there is a drawback that the operator cannot visually confirm the state of the damper 102. had.

(Means for Solving the Problems) The register damper opening/closing mechanism of the present invention was devised to eliminate the drawbacks of the prior art as described above, and can move linearly forward and backward relative to the register bezel. A damper operation knob for opening operation and a damper operation knob for closing operation attached to the damper operation knob, and a power conversion transmission mechanism that converts the linear motion of these damper operation knobs into rotational motion and transmits it to the damper, The conversion transmission mechanism is configured by linking the damper operating knob for opening operation and the damper operating knob for closing operation so that when one of these is operated, the other is moved in the opposite direction.

(Function) According to the damper opening/closing mechanism of the register of the present invention, the damper is rotated by a linear movement operation such as pushing and pulling the damper operating knob for opening operation and the damper operating knob for closing operation, and the damper is opened and closed. can. Also, when you move one of the damper operation knobs for opening and closing, the other moves in the opposite direction, so if you push one and retract it from the bezel, the other will protrude from the bezel. , the other can be automatically returned to the state before being pushed.

(Example) Next, an example of this invention will be described with reference to the attached drawings.

In the register 1 whose one end side is partially shown in FIG. 1, 2 is a box-shaped bezel that forms the framework of the register 1, and a damper 3 (the figure shows the closed state) is attached to the rear side plate 2a of the bezel 2. One end of the rotating shaft 4 is rotatably supported. Further, the front surface of the bezel 2 is provided with an opening 5 into which a barrel (not shown) is attached for adjusting the wind direction.

Reference numerals 6 and 7 denote an opening operation knob and a closing operation knob for the damper 3, respectively, and these are the openings 8 and 7 provided at one end of the front plate 2b of the bezel 2 at vertical positions.
8, respectively. The configurations of the opening operation knob 6 and the closing operation knob 7 are the same, and each has a pin 9 protruding laterally at the rear end.
It is equipped with 10. To explain the structure of the opening operation knob 6 in more detail as a representative example, as shown in FIG.
It has a pair of legs 12, 12 that are slidable along the front plate 1 and can move linearly in the front and back direction, and the top and bottom of the center part are latched to the back surface of the front plate 2b when moving forward. It is equipped with stoppers 13 and 14.

Returning to Figure 1, 15 is a roughly T-shaped lever,
The portion 15a corresponding to the T-shaped horizontal bar is rotatably attached to the front side plate 2c of the bezel 2 via a screw 16 at approximately the center thereof. At both ends of the portion 15a of the lever 15 corresponding to the T-shaped horizontal bar, there are elongated holes 17 and 18 into which the pins 9 and 10 of the opening operation knob 6 and the closing operation knob 7 enter, respectively. An arm 20, which will be described later, is attached to the end of the corresponding portion 15b.
An elongated hole 19 into which the pin 21 enters is provided.

Reference numeral 20 denotes a dogleg-shaped arm fixed to the end of the rotation shaft 4 of the damper 3;
0a is a pin 2 that enters the elongated hole 19 of the lever.
1 and the other arm portion 20b are provided with a locking hole 23 into which one end 22a of a coil spring 22 is rotatably inserted. The other end 22a of this coil spring 22 is also rotatably attached to the rear side plate 2a of the bezel 2 via a screw 24, and in the state shown in FIG. 1, it is contracted and the arm 20 is moved clockwise in the figure. It is energizing.

The lever 15, the arm 20, and the coil spring 22 convert the linear motion of the opening operation knob 6 and the closing operation knob 7 into rotational motion, and convert the rotational movement of the damper 3 into the rotation axis 4.
These functions are explained in detail below.

In FIG. 1, the damper 3 is in a fully closed state, and in this state, the opening operation knob 6, the closing operation knob 7, the lever 15, the arm 20, and the coil spring 22 are more clearly indicated by solid lines in FIG. The positions are as shown. That is, the opening operation knob 6 and the closing operation knob 7 are in the protruding state and the retracted state, respectively, and the arm 20 is in the coil spring 2.
2, it is biased clockwise in the figure. Therefore, the opening knob 6 is pushed forward via the lever 15, and the stoppers 13 and 14 are engaged with the back surface of the front plate 2b of the bezel 2 and held at a predetermined protruding position, while the closing knob 7 On the contrary, it is held in the retracted position.

When the operator pushes in the opening operation knob 7 from this state, the lever 15 rotates clockwise in the figure (in the direction of arrow P), the closing operation knob 7 protrudes forward, and at the same time, the rotation shaft 4 of the damper 3 moves into the arm. 20, the damper 3 is rotated counterclockwise (in the direction of arrow Q) to move the damper 3 in the opening direction. Here, the arm 20 is rotated between its center of rotation, that is, the axis R of the rotating shaft 4, the center of rotation of one end 22a of the coil spring 22, that is, the center S of the locking hole 23, and the rotation of the other end 22b of the coil spring 22. When the arm 20 is rotated beyond the position where the line connecting the center, that is, the center T of the screw 24 is in a straight line (straight line L in the figure), the arm 20 is rotated counterclockwise in the figure, contrary to the case where the coil spring 22 is in the closed state. bias in the direction. As a result, the arm 20 rotates in the same direction without applying any additional force, and the opening operation knob 6 is further pushed in, while the closing operation knob 7 has its stoppers 13 and 14 moved further toward the front plate 2.
The damper 3 protrudes forward until it is stopped by the back surface of the damper 3, and at this position the damper 3 is fully opened. In this embodiment, the straight line L is set midway between the position of the arm 20 corresponding to the fully open state of the damper 3 and the position of the arm 20 corresponding to the fully closed state.

To return the damper 3 to the fully closed state, all you have to do is push in the closing operation knob 7, and then press the arm 20.
When rotated beyond the position where the axis R, center S, and center T are in a straight line, the arm 20 is biased clockwise in the figure by the action of the coil spring 22, and the opening operation knob 6 and the closing operation knob are rotated. 7 automatically return to their initial positions, and the damper 3 becomes fully closed.

Next, another example of the above embodiment will be explained with reference to FIGS. 4 and 5.

For simplification, Figures 4 and 5 show modified examples of the power conversion and transmission mechanism for converting the linear motion of the opening operation knob and the closing operation knob into rotational motion and transmitting the rotational motion to the rotary shaft of the damper. This is shown in a diagram corresponding to FIG. 3, and parts similar to those in the above embodiment are given the same numbers and detailed explanation thereof will be omitted.

First, the modified example shown in FIG. 4 will be explained. In the same figure, reference numerals 30 and 31 denote an opening operation knob and a closing operation knob, respectively, and the front plate 2b of the bezel 2.
An opening 3 is provided at a position spaced apart from the height of the rotary shaft 4 of the damper 3 by approximately the same distance vertically.
It is attached through 2 and 33. The opening operation knob 30 and the closing operation knob 31 are each provided with legs (not shown) that can slide along the grooves provided in the front side plate of the bezel 2, as in the above embodiment, and are linearly movable in the front-rear direction. Moreover, stoppers 36, 36 are provided at the top and bottom of the center portion to be locked to the back surface of the front plate 2b of the bezel 2. Further, at the rear end portions of the opening operation knob 30 and the closing operation knob 31, gear members 34, which will be described below, are provided on opposing sides.
There are provided racks 30a and 31a associated therewith.

The gear member 34 is pivotally supported on the front side plate of the bezel 2 between the racks 30a and 31a of the opening operation knob 30 and the closing operation knob 31, and has a first sector-shaped gear member 34a that meshes with the racks 30a and 31a, respectively. and a second sector gear member 34b, and a third sector gear member 34c extending rearward toward the rotating shaft 4 of the damper 3.

35 is a fan-shaped shaft gear fixed to the rotating shaft 4 of the damper 3, and meshes with the third sector-shaped gear member 34c of the gear member 34.

Next, the operation of the above modification will be explained. First, in the state shown in FIG. The closing operation knob 31 is in a state of being retracted to the rear.

When the opening operation knob 30 is pushed in from this state, the gear member 34 is rotated clockwise in the figure due to the engagement between the rack 30a and the first sector gear member 34, and then the third sector gear member 34c and the shaft gear 35 are rotated. Due to this engagement, the rotating shaft 4 is rotated counterclockwise in the figure, and the damper 3 is opened. On the other hand, due to the clockwise rotation of the gear member 34, the closing operation knob 31 is moved forward via the second fan-shaped gear member 34b and the rack 31a, and the stoppers 36, 36 move the closing operation knob 31 to the front plate 2b.
In this state, the damper 3 is fully opened.

Next, another example of the above-mentioned modification will be explained with reference to FIG. 5. The example shown in the same figure is a further simplified gear mechanism of the modification shown in FIG. and a closing operation knob, the racks 40a and 41a of which are provided at the rear end portions 40b and 41b of an L-shape extending to a position sandwiching the rotary shaft 4 of the damper 3, and the front plate 2a. It has the same structure as the opening operation knob and the closing operation knob of the above modification except that it is attached upside down. The racks 40a and 41a of the opening operation knob 40 and the closing operation knob 41 are directly engaged with a shaft gear 42 fixed to the rotary shaft 4 of the damper 3, so that the intermediate gear member 34 of the above modification is omitted. The number of parts has been reduced and the structure has been simplified. In addition, when the rear end portions 40b and 41b become longer, a well-known guide member (not shown) is used to prevent these from shaking in the vertical direction.
It is preferable to provide

Although not particularly shown, it is preferable that a mechanism for holding the damper in the open position and the closed position is provided in the above two modified examples as well, like the combination mechanism of the arm and coil spring in the previous embodiment.

(Effects of the invention) The register damper opening/closing mechanism of the invention has the following effects.

a. Opening and closing of the damper is performed by pushing and pulling the damper operating knob for opening and closing, and such pushing and pulling operations are easier to apply force than rotary operations, and are easier to operate. will improve.

b If the stroke of the damper operation knob for open operation and close operation is set to the distance corresponding to the movement of the damper between the fully open position and the fully closed position, for example, the damper operation knob for open operation or close operation can be Since the damper can be moved to the fully open position or the fully closed position by a simple push or pull operation, the damper can be opened and closed quickly and easily.

c For example, when one of the damper operation knobs for open operation and the damper operation knob for close operation is pushed and retracted from the bezel, the other will protrude from the bezel. This allows the operator to visually confirm the open/closed state of the damper, further improving operability and giving the operator a favorable impression in terms of design.

d When you press one of the damper operation knobs for open operation and the damper operation knob for close operation, the other will protrude, and conversely, if you press the other one, one will protrude. The damper can be opened and closed by simply pushing or pulling either of the damper operating knobs, which further simplifies the operation.

[Brief explanation of the drawing]

Figures 1 to 5 show embodiments of the present invention. Figure 1 is a perspective view partially showing a register equipped with a damper opening/closing mechanism of one embodiment, and Figure 2 is the same as Figure 1. FIG. 3 is a side view of FIG. 1, mainly showing the power conversion transmission mechanism of the damper opening/closing mechanism. The explanatory drawings, FIG. 4 and FIG. 5 are similar to FIG. 3 showing different examples of power conversion and transmission mechanisms, and FIG. 6 is FIG. 1 showing a register equipped with a conventional damper opening/closing mechanism. It is a perspective view similar to. 1... Register, 2... Bezel, 3... Damper, 4... Rotating shaft, 6, 30, 40... Knob for opening operation, 7, 31, 41... Knob for closing operation, 15
...Lever, 20...Arm, 30a, 31a,
40a, 41a...Rack, 34...Gear member,
35, 42... Shaft gear.

Claims (1)

[Claims for Utility Model Registration] (1) A damper operating knob for opening and a damper operating knob for closing, each of which is attached to the bezel of the register so that it can move linearly forward and backward, respectively;
A power conversion and transmission mechanism that converts the linear motion of these damper operation knobs into rotational motion and transmits it to the damper, and the power conversion and transmission mechanism includes the damper operation knob for the opening operation and the damper operation knob for the closing operation. A resistor damper opening/closing mechanism in which these are linked together so that when one of these is operated, the other is moved in the opposite direction. (2) The power conversion and transmission mechanism includes a substantially T-shaped lever pivotally supported by the bezel and an arm fixed to the rotation shaft of the damper, and the lever corresponds to the T-shaped horizontal bar. Both ends of the portion and the end of the portion corresponding to the vertical bar are rotatably connected to the damper operation knob for opening and closing operations and one end of the arm via pins, respectively. A damper opening/closing mechanism for a register as set forth in claim 1 of the utility model registration claim. (3) When the arm is located on either side of each of the rotation limits corresponding to the fully open position and the fully closed position of the damper, the arm is rotated at each corresponding rotation limit. A damper opening/closing mechanism for a register according to claim 2, characterized in that the damper opening/closing mechanism for a register is provided with a spring biased toward the limit of movement. (4) The power conversion and transmission mechanism includes racks that are provided at each end of the damper operation knob for opening operation and for closing operation and are parallel to each other, and is pivotally supported by the bezel between these racks. It consists of an intermediate gear member and a sector-shaft gear coaxially fixed to the rotating shaft of the damper, and the intermediate gear member includes a first sector gear and a second sector gear that mesh with each of the racks, and a sector-shaft gear that is coaxially fixed to the rotation shaft of the damper. A damper opening/closing mechanism for a register according to claim 1, characterized in that the mechanism comprises a third fan-shaped gear meshing with the gear. (5) The power conversion and transmission mechanism includes a shaft gear coaxially fixed to the rotating shaft of the damper, and is provided at each end of the damper operation knob for opening and closing operations, and sandwiching the shaft gear. A damper opening/closing mechanism for a register according to claim 1, characterized in that the mechanism comprises mutually parallel racks that extend to a position and engage with the racks, which are parallel to each other.