JP2003193707A - Door handle device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve abrasion resistance of a head end part of a hook part of a handle main body formed by an injection molding means. <P>SOLUTION: The handle main body 1 is what a handle part 12 is mainly formed on and has a stay part 15 formed roughly at a right angle against an axis in the longitudinal direction of the handle part 12 on its one end part side, and the hook part 11 is provided on the head end part of the stay part 15. One end of a bell crank type lever 5 is engaged with an inside surface part 111 of the hook part 11. Each of hollow parts 122, 155 is provided on the handle part 12 and the stay part 15 of such the handle main body 1. Consequently, it is possible to maintain thickness of each part of the handle main body 1 in a uniform state and to eliminate occurrence of drawing, etc. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door handle device and, more particularly, to a lever-shaped handle body, a mounting fulcrum for the handle body, and a function of attaching the door handle device to a door outer plate. The present invention relates to a vehicle door handle device which is made of a predetermined plastic material and which is made of a predetermined plastic material.

[0002]

2. Description of the Related Art Generally, a vehicle door handle device is composed of a handle body and a base functioning to hold the handle body on the outer surface of the door, as disclosed in Japanese Patent Laid-Open No. 2000-179192. It has a two-part structure, and the mainstream of these is that they are all made of plastic material.
With such a configuration, for example, as shown in FIG. 4, in the handle body 10, a cavity 190 is formed by injecting a predetermined gas into a part of the member at the time of injection molding, and the wall thickness of each part is reduced. An example is one that is made uniform throughout. By adopting such a configuration, it is possible to prevent sink marks on the surface portion and reduce the mass (weight) of the entire body.

[0003]

By the way, in the case of adopting such an injection molding means by injecting gas, as shown in FIG. 4, for example, gas up to the hook portion 110 formed at the tip end portion of the handle body 10. Is injected, the surface layer of the hook portion 110 may become thin. In particular, the inner surface portion 150 of the hook portion 110 may be molded in an extremely thin state. A lever 90, to which one end of a linkage connected to a door lock mechanism or the like is connected, is always in contact with the inner surface portion 150 so as to perform relative sliding movement. Therefore, when the handle body 10 is operated, the inner surface portion 150 of the hook portion 110 is operated.
However, the lever 90 causes wear.
In order to cope with such a wear phenomenon, the lever 90
It is an object (problem) of the present invention to provide a vehicle door handle device in which the thickness of the contact portion with is sufficiently secured.

[0004]

In order to solve the above-mentioned problems, the following measures are taken in the present invention. That is, according to the first aspect of the present invention, the handle body that forms the handle portion and has a lever shape, and the handle body that holds the handle body is attached to the door outer plate. Regarding the vehicle door handle device consisting of a base that plays a role,
The handle main body is formed of a predetermined plastic material, and one end of the handle portion is provided with a rotation support portion that is supported so as to be rotatable relative to the base. Also, on the other end side, a stay portion that is formed so as to engage with the base and is provided at a right angle to the longitudinal axis of the handle main body, and a tip portion of the stay portion. The structure is such that the hook portion provided has an engaging portion, and a predetermined hollow portion is formed inside the handle portion and the stay portion thus configured.

By adopting such a structure, in the present invention, the thickness of each part including the handle part is formed to be substantially uniform, and the entire surface part including the handle part is formed. No sink marks will occur. As a result, it becomes possible to form a surface portion having an excellent appearance. Further, it is possible to reduce the mass of the entire handle body.

Next, the invention according to claim 2 will be described. This one is also the same as the one described in claim 1 in the basic point. That is, according to the present invention, in the vehicle door handle device according to claim 1, a predetermined process is performed when the main body of the handle is formed with the injection molding means to form the hollow portion formed in the handle portion and the stay portion. It was decided to adopt a configuration in which it is formed by injecting the above gas. By adopting such a configuration, also in the present invention, as in the case of the above-mentioned claim 1,
The thickness of each part is formed to be uniform throughout, and it becomes possible to form an excellent design surface without sink marks on the surface part. Further, it becomes possible to efficiently perform the above-mentioned hollow portion of the handle main body by injecting gas at the time of injection molding.

Next, the invention according to claim 3 will be described. This one is also the same as the one described in claim 2 in the basic point. That is, according to the present invention, in the vehicle door handle device according to claim 2, a predetermined lightening pin is provided in a mold forming the hook portion during injection molding of the handle body. As a result, a structure is adopted in which gas is not injected into the hook portion. By adopting such a configuration, also in the case of the present invention, as in the case of the above-mentioned claim 2, the wall thickness of each part is formed to be entirely uniform, and the surface part has a sink mark or the like. It becomes possible to form an excellent design surface without any defects. In addition to these, in the present invention, the contact portion of the lever at the inner surface portion of the hook portion to which one end of the linkage connected to the door lock mechanism is connected is formed thick. That means
Even if this part is worn, it can be sufficiently dealt with.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the present embodiment relates to a lever-like handle main body which is provided on the outside of a door outer plate 9 and is made of a plastic material and mainly has a handle portion 12. 1
And a base 2 which holds the handle main body 1 and which is formed of a plastic material and is attached to the door outer plate 9. In such a structure, a rotation support portion 3 for rotatably supporting the handle body 1 is provided at one end of the vehicle door handle device (door handle assembly). On the other end side, the stopper engaging portion 21 provided on the base 2, the stay portion 15 provided upright with respect to the longitudinal axis of the handle body 1, and the stay portion 15 are provided. An engaging portion 4 including a hook portion 11 and the like formed at the tip of the is provided.

In such a structure, the handle body 1 is mainly formed with a handle portion 12 as shown in FIG. 2, and the handle portion 12 is provided on one end side thereof. The stay portion 15 formed in a substantially right angle shape with respect to the longitudinal axis of the
A hook portion 11 is provided at the tip portion of 5. Then, in the inner surface portion 111 of the hook portion 11 having such a configuration, as shown in FIG.
As shown in FIG. 4, one end of a bell crank-shaped lever 5 forming a part of the linkage mechanism connected to the door lock device is engaged. Further, in the above-mentioned structure, when the handle main body 1 is operated, the hook portion 11 is also activated along with this, and the bell crank-shaped lever 5 is also activated.
In the inner surface portion 111 of No. 1, relative sliding motion is generated between the inner surface portion 111 and the one end portion of the bell crank-shaped lever 5. Therefore, the inner surface portion 111 of the hook portion 11 is abraded due to the relative sliding movement when the handle body 1 is operated.

In such a structure, the handle body 1 is provided with various hollow portions so that the thickness of each portion is uniform. Specifically, as shown in FIG. 3, the handle portion 12
(122) provided in the above, the stay portion hollow portion 155 is provided at the stay portion 15 in a continuous state. These cavities 1
22, 155 are formed by injecting a predetermined gas from a predetermined injection port (injection port 121 shown in FIG. 3) when the handle body 1 is molded by the injection molding means. There is something. That is, each of the cavities 122 and 155 shows a trace of gas flow when the gas is injected. By providing such cavities (gas passages) 122 and 155,
A sudden change in the wall thickness of each part is prevented from forming so that sink marks or the like do not occur on the surface of each part after injection molding.

In this embodiment, as shown in FIG. 3, the mold 8 which forms the hook portion 11 at the time of injection molding of the main handle body 1 has the above structure. A predetermined lightening pin 88 is installed in advance in a part of the above so that the gas does not flow to the hook portion 11 when the gas is injected. As a result, the hollow portion (gas passage) formed by the inflow of gas is not formed at the hook portion 11, and the portion of the hook portion 11 is formed thick. That is, according to the present embodiment, the inner surface portion 111 of the hook portion 11 with which one end of the bell crank-shaped lever 5 comes into contact is formed in a thick-walled shape having a predetermined wall thickness. Will be able to withstand the wear of.

Next, the operation and the like of the present embodiment having such a configuration will be described. That is, in the present embodiment, a predetermined gas is injected into each part including the handle part 12 at the time of injection molding of the main handle body 1, so that the wall thickness of each part is generally about the same. It will be in a uniform state,
After injection molding, sink marks etc. do not occur on each surface portion. In addition, when injecting such a gas, for example, as shown in FIG. 3, since the gas is prevented from flowing into the hook portion 11, the inside of the hook portion 11 that makes sliding contact with the bell crank lever 5 is provided. The wall thickness around the surface portion 111 can be increased. As a result, it becomes possible to cope with the wear in this portion (111).

[0013]

According to the present invention, a handle main body which forms a handle portion and has a lever shape, and a handle main body which holds the handle main body are attached to a door outer plate. Regarding a vehicle door handle device comprising a base that plays a role, the handle body is formed of a predetermined plastic material, and one end side of the handle portion has a relative rotational movement with respect to the base. Is provided so as to be capable of supporting the base, and the other end side is formed so as to engage with the base, and with respect to the longitudinal axis of the main body of the handle. And a hook portion provided at a tip portion of the stay portion, and the engaging portion is formed. On the other hand, since it is assumed that the predetermined cavity is formed inside by injecting a predetermined gas during injection molding, the wall thickness of each part including the handle part is substantially uniform. As a result, the sink mark and the like can be prevented from being formed on the entire surface portion including the handle portion. As a result, it has become possible to form a surface portion having an excellent appearance. In addition, the weight of the entire handle body can be reduced.

Further, in the present invention, during injection molding of the handle main body, a predetermined lightening pin is provided in the mold for forming the hook portion, whereby the hook portion is provided at the hook portion. Since the structure is designed so that no gas is injected, the wall thickness of each part will be formed in a uniform state overall, and an excellent design surface without sink marks etc. on the surface part will be formed. Is now possible. In addition to these, in the present invention, the contact portion of the lever at the inner surface portion of the hook portion to which one end of the linkage connected to the door lock mechanism is connected is formed thick. As a result, even if this part were to be worn, it was possible to withstand it sufficiently.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing the overall structure of the present invention.

FIG. 2 is a perspective view showing an overall configuration of a handle main body that is a main part of the present invention.

FIG. 3 is a vertical cross-sectional view showing the overall structure of a handle main body that is a main part of the present invention.

FIG. 4 is a vertical sectional view showing the overall structure of a conventional handle body.

[Explanation of symbols]

1 handle body 11 Hook part 111 inner surface 12 Handle part 121 Inlet 122 cavity 15 Stay section 155 Cavity (Stay Cavity) 2 base 21 Stopper engaging part 3 Rotation support 4 Engagement part 5 levers (bell crank lever) 8 mold 88 Thinning pin 9 Door skin

Claims (3)

[Claims] 1. A handle main body which forms a handle portion and has a lever shape, and a base which holds the handle main body and serves to attach the entire door handle device to a door skin. In the vehicle door handle device, the handle body is formed of a predetermined plastic material, and is supported on one end of the handle portion so as to be capable of relative rotational movement with respect to the base. Has a rotation support part, and
On the other end side, a stay portion formed so as to be engaged with the base and provided at a right angle to the longitudinal axis of the handle body, and a hook provided at the tip portion of the stay portion. A door handle device for a vehicle, characterized in that a predetermined hollow portion is formed inside the handle portion and the stay portion configured as described above. 2. The vehicle door handle device according to claim 1, wherein a predetermined gas that is formed when the handle body is formed by injection molding means to form a cavity formed in the handle portion and the stay portion. A vehicle door handle device, characterized in that it is formed by injection. 3. The vehicle door handle device according to claim 2, wherein a predetermined lightening pin is provided at a mold forming the hook portion during injection molding of the handle main body. A vehicle door handle device characterized in that gas is not injected into the hook portion.