JPS6051276A - Door handle apparatus for automobile - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a door handle device for an automobile, which is provided at a suitable location on the door of an automobile and is used to open the door.

A handle attached to the door so as to be movable between a closed position and an open position is normally biased toward the closed position, and the handle is moved from the closed position to the open position to open the door. In the conventional outside handle device or inside handle device for the door of a car, which is designed to open the door, for example, Japanese Patent Laid-Open No. 50-8
As shown in Publication No. 221, after moving the handle from the closed position to the open position and performing the door opening operation,
When you take your hand off the handle, the handle quickly returns to the closed position due to the force of the spring, etc., causing problems such as an unpleasant impact noise or damage to the handle. there were.

The present invention has been made in view of these conventional problems.When the handle returns from the open position to the closed position, an appropriate resistance is provided to the operating part of the handle to prevent the returning operation. By restraining the handle with force, the return speed is moderated, and when the handle moves from the closed position to the open position, a directional shock absorber is provided which releases the restraint. The object of the present invention is to provide an automobile door handle device that solves the problems.

The present invention will be described below based on embodiments shown in the accompanying drawings.

1 to 4 show a first embodiment in which the present invention is applied to an outside handle device for an automobile door.

Is (1) the outer panel of a car door? So, what about the four parts (2) that open outward in the appropriate places? ff A box-shaped case (3) is solidly mounted in one piece.

A pair of front and rear upright pieces (only one of which is shown) (4) is provided on the top of the case (3), and these upright pieces (
4), the intermediate portions of a pair of front and rear handle arms (only one of which is shown) (6), which constitute the operating portion, are pivotally attached to the handle arm (6), with a horizontal axis (5) extending in the front-rear direction.

One end of each handle arm (6) penetrates through an opening (forced) drilled from the upper part of the case (3) to the middle part of the rear end of the recess (2), protrudes into the fourth part (2), and extends into the fourth part (2). At the tip, a plate-shaped handle (8) extending in the front-rear direction is connected in a single piece.The handle arm (6) and the handle (8) form a handle (9). .

The other end of the handle arm (6) that extends inward of the door has a rod α0 whose lower end is connected to a door lock operating lever (not shown) and whose upper end is bent forward at a right angle. The ends (10a) are connected.

01) has one arm (6) and an upright piece (4).
) is a torsion spring wound around the axis (5) between
One end thereof is secured to the lower side edge of the handle arm (6), and the other end is secured to the upper surface of the case (3).

The handle (9) is biased clockwise in Fig. 1 by this torsion spring (2), and the handle (9) is normally biased as shown in Fig.
6a) is in contact with the inner end of the recess (2) in the case (3), and the handle (8) is stopped at the closed position where it slightly protrudes outward from the opening of the fourth part (2). (2) and pull the handle (8) outward against the biasing force of the torsion spring (111). By rotating it to the open position, the rod 00) can be pushed down, the door lock can be released, and the door can be opened.

A bracket a2) is fixed to the inner surface of the outer panel flJ above the case (3), and a directional shock absorber (131) is connected between the bracket a2) and the upper end of the handle arm (6). has been done.

In this first embodiment, the shock absorber t(+31) is a spot-type air gun as shown in FIGS. 3 and 4.

This air damper (1, 4) consists of a telescopic cylindrical bellows 05) and a disc-shaped end plate (161) that closes both ends of the bellows 05).
Iη and a large diameter opening (18) bored in the center of one end plate (1, 6) so that it can be closed or opened.
A cover piece (2) having moderate flexibility is fixed at one edge to the inner surface of the end plate (16) and has a small hole (lω) in the center.
o) and mounting pieces (21) and (22) integrally formed with each end plate (+6)0η.

Therefore, air dump/ξαa is equal to one machining allowance piece (21
) is fitted into the bent end (10a) of the rod (10), and the other mounting piece (
221f, axis C24) and is connected to the bracket (12), thereby being attached between the handle (9) and the outer panel (1) of the door.

Since the device of the first embodiment has the above-mentioned configuration,
When opening the door by pulling the handle (9) from the closed position shown in Figure 1 to the open position shown in Figure 2 against the force of the torsion spring (marked), Due to the rotation of the upper end of the handle arm (6) at that time, the rod 0
0), the lower end plate (16) is pulled down, and the bellows 05) is extended.

As the bellows (+5) expands, the volume inside the bellows (19) increases and the pressure inside becomes negative, so outside air will enter into the bellows (+5), but the small hole α9 is small. Therefore, the negative pressure inside the bellows 05) cannot be returned to normal pressure immediately with the air passing through this, and therefore the lid piece (2) cannot be returned to normal pressure.
0) is slightly bent inward as shown by the imaginary line in Figure 4,
The opening (18) opens and a large amount of external air flows in from there, and the pressure inside the bellows (1ω) immediately returns to normal pressure.

Therefore, when operating the handle (9) to open the door, the bellows is zero.
If ω simply expands, the movement of the handle (9) is hardly restrained by the air damper (14I).

In this state, when you let go of the handle (8), the torsion spring (
Due to the biasing force of Ill, the handle (9) tries to return to the closed position, but at this time, the air damper (14) restrains the return movement of the handle (9) with an appropriate resistance force. It acts to slow down the speed of recovery.

That is, when the handle (9) is rotated to return to the closed position, the lower end plate (16) is pushed up together with the rod (10) due to the rotation of the upper end of the non-ddle arm (6) at that time, causing the bellows ( 15) is compressed.

Due to this compression of the bellows (15), the volume inside the bellows (15) decreases and the pressure therein increases, so that the bellows (15)
The air inside tries to escape to the outside, but the pressure inside the bellows (19) acts in the direction of closing the opening 08 with respect to the lid piece (20), so the air inside the bellows (I5) (+8
It cannot flow out from 1, but only from the small hole (I9).

However, since the small hole (■) is minute, the cavity inside the bellows (15) cannot be immediately released to the outside, so the air damper (04) temporarily acts as an air spring and the handle (9) ) to resist the return operation and act as a buffer,
As the amount of air flowing out from the small hole α increases, the bellows (I5) gradually contracts, allowing the handle (9) to gradually return to its original position.

Therefore, the handle (9) slowly rotates back toward the closed position.

As described above, according to the device of the first embodiment, the handle (
If you let go of the handle (9) while the handle (9) is in the open position, the handle (9) will slowly return to the closed position by the action of the air chamber (I41), so you will not feel uncomfortable like in the past. This eliminates the risk of loud impact noise or damage to the handle, etc.

In addition, when moving the handle (9) from the closed position to the open position, the operation of the handle (9) is not restricted by the air damper (1a), so the handle (9) can be moved with light force.
) can be manipulated, which is convenient.

FIG. 5 shows a second embodiment of the invention.

In this second embodiment, a shock absorber (13 pieces) is formed by a cylinder body (2 pieces) made of urethane foam or the like having appropriate elasticity, around which coil springs (26) are wound. Connect one end of the coil spring (26) to the rod (10
) and the other end to the bent end (1Oa) of the case (
The air damper in the first embodiment (
This is intended to perform the same action as I4).

The other configurations are the same as those of the first embodiment.

The same components as in the first embodiment are illustrated using the same reference numerals as in the first embodiment, and detailed description thereof will be omitted.

The coil spring (26) is a compression coil spring and is designed to bias the handle (9) toward the closed position.

Therefore, the torsion spring (10) in the first embodiment has been removed.

In this second embodiment, when the handle (9) is indexed from the closed position to the open position against the biasing force of the coil spring (26), the inner diameter of the compression coil spring (2G) is Since the cylindrical body (25) contracts in the axial direction while gradually increasing, the abrasion resistance due to the outer circumferential surface of the cylindrical body (25) is small, and the cylinder body (25) can be immediately contracted.

Therefore, when the handle (9) is operated to open the door, the rotation of the handle (9) is not restricted by the shock absorbing device (16').

After that, when you release your hand from the handle (9), the coil spring (
2G) Due to the biasing force, the handle (9) returns to the closed position, but at this time, the coil spring (26)
l"11 Its inner diameter gradually contracts and expands in the axial direction, so the more the coil spring 06) stretches, the more the coil spring t2G) winds around the cylindrical body (25), and the coil spring (26) and the cylindrical body (25) increases, and the return speed of the handle (9) slows down in inverse proportion to the increase in friction resistance.

Therefore, in this second embodiment, the related device (1
The shock absorber 0:3 in the first embodiment has substantially the same effect as the shock absorber 0:3 in the first embodiment, and can produce the same effects as in the eleventh embodiment.

As is clear from the above, seven points according to the present invention: When the door is opened, the handle can be operated easily, and when the handle is released, the handle returns to the closed position at a slow speed. This is significant because it eliminates the fear of unpleasant impact noises or damage to the handle or the like.

In addition to the above two embodiments, for example, an oil damper may be used as the shock absorber, or...
The 1-circle IJj part of the rod, which reciprocates in the axial direction in conjunction with the rotation of the handle, is held by a collet that is biased toward the reduced diameter end of the tapered hole formed on the door side. However, when opening the door, the rod moves in the direction of pushing the collet out of the tapered hole, so the holding force by the collet is not transmitted to the rod, and when the handle is rotated back, the rod moves in the opposite direction to the above case. In that case, it is also possible to use a unidirectional shock absorber or the like in which the collet protrudes between the rod and the tapered hole to provide a large sliding resistance to the rod.

Moreover, although the above-mentioned embodiments are all cases in which the present invention is applied to an outside handle of an automobile door, it goes without saying that the present invention can also be applied to an inside handle.

[Brief explanation of the drawing]

1 to 4 show a first embodiment of the present invention. FIG. 1 is a longitudinal sectional front view of the main parts with the handle in the closed position, and FIG. 2 shows the handle in the open position. FIG. 3 is a perspective view of the air pump ξ, FIG. 4 is a longitudinal sectional view of the air pump ξ, and FIG. 5 is a main part of the second embodiment of the present invention. FIG. (Outer panel (3) Case (6) Handle arm (operating part) (8) Handle (9) Handle θ0) Rod (11) Torsion spring α bracket (13x13 shock absorber Oa air damper (25) Cylindrical body 06) Coil Spring Figure 1 Figure 2

Claims (1)

[Claims] A handle attached to the door so as to be movable between a closed position and an open position is biased toward the normally closed position, and the non-drill is moved from the closed position to the open position to open the door. In the automobile piano lever device, when the nondle returns from the open position to the closed position, the returning speed is controlled by restraining the return movement with an appropriate resistance force in the operating portion of the nondle. A door handle device for an automobile, characterized in that it is provided with a shock absorbing device.