JPH06521Y2 - Assembly structure of vehicle door lock actuator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an improvement in a vehicle door lock actuator assembly structure, and more particularly to an inexpensive waterproof rubber boot attachment structure that is easy to assemble.

[Conventional technology]

Conventionally, in devices such as stop lamp switches and door lock actuators that are mechanically related to the outside through a rod, a waterproof cap, waterproof rubber boot, etc. are provided at the connection between the rod and the device for waterproofing. I was wearing it.

For example, Japanese Utility Model Publication No. 48-41403 discloses a waterproof cap that prevents water droplets from entering a switch of an automobile or the like, for example, a push rod of a stop lamp switch into an internal mechanism of the switch.

These waterproof caps and waterproof rubber boots have been artificially attached to devices and rods.

[Problems to be solved by the invention]

However, the work of attaching the waterproof cap and the waterproof rubber boot to the device and the rod requires a lot of man-hours and is an artificial work, which causes variations in assembled products, which may be a factor of poor waterproofing.

Further, this is an obstacle in automating the assembly process according to the conventional technique.

[Means for solving problems]

This invention solves the above-mentioned problems of the conventional technology, and the waterproof rubber boot mounted on the output rod has a jig hooking portion at the peripheral edge of the opening so that the waterproof rubber boot can be mounted on the jig without manual labor. An object of the present invention is to provide a vehicle door lock actuator assembly structure that can be mounted on a door lock actuator body using the same.

[Action]

When attaching the waterproof rubber boot to the door lock actuator body, hook the jig for mounting the waterproof rubber boot on the jig hook part formed on the waterproof rubber boot, widen the opening of the waterproof rubber boot and fit it on the output rod of the door lock actuator. The waterproof rubber boots are attached to the door lock actuator body by inserting and removing the jig hooking part from the jig.

〔Example〕

1 is a front view of a door lock actuator equipped with waterproof rubber boots, and FIG. 2 is a left side view of the door lock actuator shown in FIG. 3 is a perspective view showing a state of the waterproof rubber boot shown in FIG. 1 at the time of mounting work, and FIG. 4 is a sectional view taken along the line AA of FIG.

In FIG. 1, 1 is a door lock actuator body,
Reference numeral 2 is a DC motor, 3 is a gear member, specifically, a worm wheel, 4 is a worm gear, 5 and 6 are first and second position detection electrodes, and 7, 8 and 9 are first, second and third sliding members. A contact body, 10 is an output rod, 11 is a connector, 12 is a base, 13 is a molded body, 14 is a waterproof rubber boot, and 15 is a cushioning rubber.

The DC motor 2 rotates the gear member 3 via the worm gear 4, and the gear member 3 reciprocates the output rod 10 by a cam arranged on the back surface side. First and second position detection electrodes 5 and 6 are arranged on the front surface side of the gear member 3.

The first and second position detection electrodes 5 and 6 are formed by pressing a brass plate and are fixed to the gear member 3 by caulking.

Further, the first and second position detecting electrodes 5 and 6 are connected to the first, second and third sliding contact bodies 7, 8 as the gear member 3 rotates.
9 and 9 slide, and the first and second position detecting electrodes 5 and 6 are bent upward at the final sliding end of the first sliding contact body 7 to form projecting pieces 51 and 61. Has been done.
With the rotation of the gear member 3 in the direction of arrow C, the first sliding contact body 7 is restricted by the projecting pieces 51, 61, and the first position detecting electrode 5 to the second position detecting electrode 6 and the second position detecting electrode 6. Detection electrode 6
To the first position detection electrode 5 are instantly moved as indicated by an arrow D. That is, the first sliding contact 7 is required to elastically deform in a free direction.

The base 12 is made of synthetic resin, and the first to ninth fixed terminals 121 to 129 are insert-molded. Similarly, the molded body 13 is formed by molding a synthetic resin, and the first to third sliding contact bodies 7 to 9 are insert-molded.

The connector 11 is formed by insert-molding four terminals 112 with a resin portion 111, and has a fitting protrusion 113 that is fixed to the door lock actuator body 1.

When the connector 11 is inserted into the door lock actuator body 1 from the right side of FIG. 1, the terminal 112 is fitted to the sixth to ninth fixed terminals 126 to 129, and the connector 1
1 is fixed by the fitting protrusion 113.

The first to third sliding contact bodies 7 to 9 are fitted to the first to fifth fixed terminals 121 to 125 by pressing the molded body 13 against the door lock actuator body 1.

Next, the waterproof rubber boot 14 according to the present invention will be described in detail.

The waterproof rubber boot 14 is formed by molding synthetic rubber into a mold, and is composed of a bellows portion 141 and a jig hooking portion 142.

The jig hooking portion 142 is formed with a hole 142a into which the jig 16 is hooked. When the waterproof rubber boot 14 is attached to the door lock actuator body 1, the jig 16 is inserted into the hole 14
As shown in FIG. 3, a force is applied in the directions a to d by hooking on 2a to widen the opening 143.

Thus, the waterproof rubber boot 14 can be easily attached to the door lock actuator body 1.

A water-repellent film 17 is attached to the door lock actuator body 1 to separate the outside air from the inside air through the ventilation hole 1a.

The water-repellent film 17 is a film having a function of allowing air to pass therethrough and preventing passage of water droplets, and, for example, Poreflon (trade name) is used.

This water-repellent film 17 plays a role of venting through the water-repellent film 17 and adjusting the pressure difference between the inside and outside of the door lock actuator body 1 when the door lock actuator body 1 breathes due to a sudden change in the outside temperature. ing.

[Effect of device]

This invention is characterized in that the waterproof rubber boot attached to the output rod has a jig hooking portion at the peripheral edge of the opening. Therefore, the waterproof rubber boot can be attached to the door lock actuator body by using a jig without manual work. Since it can be mounted, the man-hours can be reduced, the assembly tolerance can be made uniform, and the cause of waterproof failure can be eliminated.

Further, even when automating the assembling process, many effects such as simple and quick realization can be achieved.

[Brief description of drawings]

FIG. 1 is a front view of a preferred embodiment of the present invention. FIG. 2 is a left side view of the door lock actuator shown in FIG. FIG. 3 is a perspective view showing a state of the waterproof rubber boot shown in FIG. 1 during a mounting operation. FIG. 4 is a partially cutaway sectional view taken along the line AA in FIG. 1 ... Door lock actuator body, 2 ... DC motor, 3 ... Gear member, 5 ... First position detection electrode, 6 ...
2nd position detection electrode, 7 ... 1st sliding contact, 8 ... 2nd sliding contact, 9 ... 3rd sliding contact, 14 ... Waterproof rubber boot, 142 ... Jig hook part, 17 ... Water repellent film.

Claims (1)

[Scope of utility model registration request] 1. An assembly structure for a vehicle door lock actuator, comprising: an electric motor; and an output rod connected to an output portion of the electric motor and connected to a door lock.
A waterproof rubber boot is attached to the output rod, and a jig hooking portion is provided at a peripheral edge portion of an opening of the waterproof rubber boot.