JPH10172787A - Electrostatic shock preventing device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrostatic shock preventing device capable of properly preventing electric shock and having its simple structure, high productivity, and low cost. SOLUTION: A resin-based handle case 5 is mounted on a metal-based door panel 2. A handle 4 is turnably mounted on the handle case 5. A coating primer that is a high-resistance conductive coating agent is applied to the handle 4 and the handle case 5, and further a top coat is applied. A passenger contact face 26 of the handle 4 and a door panel 2 is connected via a coating primer, and thereby an electric resistance value between the passenger contact face 26 and the door panel 2 is adjusted to 10<7> to 10<11> ohms.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-shock device for a vehicle, and more particularly, to an anti-shock device for a vehicle. The present invention relates to an electrostatic shock prevention device for a vehicle.

[0002]

2. Description of the Related Art When an occupant touches a conductor such as a vehicle body or a die-cast door handle when getting on or off an automobile, the occupant may feel an electric shock. The electric shock is generated because the static electricity charged to the occupant is rapidly discharged. For example, the occupant is charged with static electricity due to the occupant's clothes rubbing against the seat while riding. If the occupant touches the die-cast door handle when getting off, the occupant feels a shock due to the discharge of static electricity.

On the other hand, when the occupant touches the insulator, no electric shock is generated, so that no electric shock is felt. In the above example, if the door handle is made of an insulating resin, no discharge occurs. However, since the charged state is maintained, the occupant will eventually receive an electric shock when touching the conductor.

[0004] As described above, when the occupant touches the conductor, the static electricity is rapidly discharged and an electric shock is generated. On the other hand, when the occupant touches the insulator, the charged state is maintained. However, when an occupant touches an object having high resistance conductivity, static electricity is discharged without giving a shock to the occupant. High-resistance conductivity refers to a property in an intermediate region between conductivity and insulation, and means that the electrical resistance value is about 10 ⁵ to 10 ¹² Ω. Conventionally, there has been proposed a device that utilizes such characteristics to prevent a shock to an occupant.

For example, in the apparatus disclosed in Japanese Patent Application Laid-Open No. 1-169517, a resin door handle is integrally molded with a metal base, and the base is attached to a door panel. Then, by mixing the carbon black, conductive fibers or metal strips in the insulating resin material of the door handle, electrical resistance of the door handle ¹⁰⁵ to ^{1 2}
Ω is set.

In the apparatus disclosed in Japanese Patent Application Laid-Open No. Sho 62-31996, a dotted or linear conductive electrode is provided on the surface of a resin door handle. A lead wire is connected to the conductive electrode, and the conductive electrode is grounded to the vehicle body via the lead wire and a resistance of 2 × 10 ^{7 to} 9 × 10 ⁸ Ω.

[0007]

SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Laid-Open Publication No.
In the device of No. 9517, carbon black, conductive fiber or metal piece is put in a resin material,
High resistance conductivity is provided to the door handle. However, in the device in which the electric resistance value of the resin material is adjusted as described above, the performance of preventing the electrostatic shock has not been sufficiently obtained.

Further, in the above-mentioned conventional apparatus, the door handle and the door panel are electrically connected by the metal base. In general, a door handle device of a type in which a resin door handle case is attached to a door panel and a resin handle is attached to the case is widely used.
However, this type of door handle is not provided with a metal base, so that the above-described conventional device cannot be applied.

On the other hand, the device disclosed in Japanese Patent Application Laid-Open No. Sho 62-31996 has a complicated structure and is disadvantageous in terms of productivity and cost. That is, in order to manufacture the above-described device, a point-like or linear conductive electrode is provided on a door handle, a lead wire is attached to the conductive electrode, and the conductive electrode is attached to the vehicle using the lead wire and a resistor. The body must be grounded.

[0010] In the above-mentioned conventional device, a point-like or linear conductive electrode is provided on the door handle.
There is a drawback that the appearance and feel are poor and the occupants feel uncomfortable.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electrostatic shock prevention device which can sufficiently prevent an electric shock, has a simple structure, has high productivity, and is low in cost, in response to the above problems. It is in. It is another object of the present invention to provide an electrostatic shock prevention device that does not give an occupant an uncomfortable appearance or feel.

Another object of the present invention is to provide an electrostatic shock prevention device applicable to a door handle device having a resin door handle and a resin door handle case.

[0013]

[Means for Solving the Problems]

(1) The present invention is mounted on a metal vehicle body,
A vehicle electrostatic shock prevention device for discharging static electricity charged to a vehicle occupant to a vehicle body when the vehicle occupant comes in contact with the vehicle occupant, wherein a high-resistance conductive coating material is applied to a surface of the device,
The electrical resistance between the contact portion and the vehicle body is adjusted to 10 ⁷ to 10 ¹¹ Ω by conducting the electrical connection between the contact portion for the vehicle occupant and the vehicle body via the high-resistance conductive coating material.

In the above configuration, when a vehicle occupant charged with static electricity touches the contact portion, the static electricity is discharged to the vehicle body through the high-resistance conductive coating material. The electric resistance of this discharge path is adjusted to 10 ⁷ to 10 ¹¹ Ω. Therefore, static electricity is discharged to the vehicle body without giving an electric shock to the occupant.

The device of the present invention has a simple structure and can sufficiently prevent an electric shock. Therefore, according to the present invention, a high-productivity, low-cost electrostatic shock prevention device for a vehicle is provided.

In the present invention, a high-resistance conductive coating agent is applied to the surface of the device, but it is not necessary to provide projections such as electrodes on the surface of the device. Therefore, there is provided an electrostatic shock prevention device for a vehicle which does not give an occupant an uncomfortable appearance and touch.

(2) In one embodiment of the present invention, a resin door handle case attached to a vehicle door panel and a resin door handle rotatably attached to the door handle case and having the contact portion are provided. The high-resistance conductive coating agent is a coating primer, and is applied to at least one of a door handle case and a door handle.

The door handle is a part that an occupant touches when getting on and off. Accordingly, by applying the present invention to the door handle device as described above, the occurrence of an electric shock is effectively prevented.

Further, a coating primer has been conventionally used for coating the door handle device. Heretofore, primers have been used exclusively for obtaining the adhesion between a resin and a top coat. Conventional primers include a primer having low conductivity used for general coating and a primer having high conductivity used for electrostatic coating.

On the other hand, in the present invention, the coating primer has high resistance conductivity. The coating primer has an unprecedented function of discharging static electricity to the vehicle body.

As described above, according to the present invention, when the primer coating as the undercoat is performed, the electrostatic shock prevention device of the present invention is manufactured. The primer has two functions, that is, adhesion of a top coat and discharge of static electricity. Therefore, the apparatus of the present invention can be easily manufactured by using a conventional primer coating operation.

Further, according to the present invention, there is no need to connect the door handle and the vehicle body with a metal base. Therefore,
The electrostatic shock prevention device for a vehicle according to the present invention is applicable to a handle device provided with a resin door handle case as described above.

In the present invention, a high-resistance conductive primer and a conventional primer may be applied repeatedly. Further, for example, a high-resistance conductive primer may be applied to the door handle, and a high-conductive primer may be applied to the door handle case. Alternatively, the reverse is also possible. However,
Even in these cases, the electric resistance value between the contact portion of the door handle and the door panel is within the above range (10 ⁷ to 10 ¹¹ Ω).
Needless to say, it needs to be adjusted.

(3) In one embodiment of the present invention, the coating primer, which is the high-resistance conductive coating agent, is produced by mixing a primer with high conductivity and a primer with low conductivity.

As described above, conventional primers include:
There are primers with low conductivity for general coating and primers with high conductivity for electrostatic coating. By mixing these primers, a primer having high resistance conductivity can be easily obtained.

(4) In one embodiment of the present invention, after the application of the coating primer, an overcoat is further applied. Even if a top coat is applied, the function of discharging static electricity of the present invention to the vehicle body is sufficiently exhibited.

If the top coat is too thick,
The function of discharging static electricity is reduced. Therefore, in order to suitably obtain the effects of the present invention, it is necessary to consider the setting of the applied thickness of the top coat. In general, since the contact portion of the door handle is located in a portion that is invisible to the occupant, it is not necessary to set the coating thickness of the top coat in the contact portion thick. Therefore, the effects of the present invention can be suitably obtained by appropriately setting the coating thickness.

[0028]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an electrostatic shock prevention device for a vehicle according to an embodiment of the present invention. In this embodiment, the present invention is applied to an outside door handle for a vehicle.
That is, the vehicle outside door handle device also functions as a device for discharging static electricity.

FIG. 1 is a front view of a vehicle door 1, and an outside handle device 3 is provided on a door panel 2. The outside door handle device 3 includes a handle 4
And a handle case 5. A door key insertion portion 6 is provided in the handle case 5.

FIG. 2 is a cross-sectional view of the vehicle door 1 of FIG. 1 taken along line AA. The door panel 2 is made of a steel plate and is press-molded. The door panel 2 is provided with an opening for providing the outside door handle device 3. A case mounting seat 10 is formed to bend around the opening of the door panel 2.

The handle case 5 is made of an insulating resin and is molded in a box shape. That is, the handle case 5 has the bottom plate 11 and the side wall 12 erected around the bottom plate 11. Then, the bottom plate 11 and the side wall 12
Thereby, a storage recess 13 for storing the handle 4 is formed. The end of the side wall 12 surrounds the entrance of the storage recess 13 in a brim-like outer peripheral edge 14.
Is provided. This outer peripheral portion 14 is attached to the case mounting seat 1.
The handle case 5 is attached to the door panel 2 so as to abut on the door panel 2.

FIG. 3 is a single view of the handle case 5 as viewed from the direction of the arrow Y in FIG. Note that the handle 4 is indicated by a two-dot chain line in FIG. FIG. 4 shows the handle case 5.
And the mounting part of the door panel 2 is enlarged. FIG.
As shown in FIG. 4, two mounting bosses 15 are protruded from an outer peripheral edge 14 of the handle case 5, and mounting nuts 16 are inserted into the mounting bosses 15. The mounting nut 16 and the mounting bolt 17 are connected with the case mounting seat 10 of the door panel 2 interposed therebetween.

As shown in FIGS. 2 and 3, the handle case 5 has shaft stands 18 to 20 projecting from the upper side wall 12 of the storage recess 13. Further, openings 21 and 22 are provided in the bottom plate 11 and the side wall 12. The opening 21 is provided adjacent to the shaft base 18, and the opening 22 is provided between the shaft bases 19 and 20.

On the other hand, the handle 4 is made of an insulating resin and is molded. FIG. 5 shows a cross-sectional view of the handle 4. The handle 4 has a U-shaped cross section and two arms 2 projecting from the cross section 25.
And 7. The occupant contact surface 26 inside the grip 25 is
This is the surface that the fingertip touches when the occupant holds the steering wheel 4.
The arm 27 is inserted into the openings 21 and 22 of the handle case 5. Then, the one arm 27 is attached to the shaft base 18 of the handle case 5 at the distal end portion 28.
It is supported by a shaft 29. Similarly, the other arm 27 is supported by a shaft 29 at a distal end portion 28 with respect to the shaft stands 19 and 20. From the above,
The handle 25 of the handle 4 is held inside the storage recess 13 of the handle case 4, and the handle 4 is
9 can be rotated. In addition, in the state of FIG.
The arm 27 is connected to the handle case 5 by the openings 21 and 22.
Is in contact with Then, the arm 27 rotates while contacting the handle case 5.

As a feature of this embodiment, a high-resistance conductive primer is applied to the outside door handle device 3 described above. The method for producing and applying the high-resistance conductive primer will be described later. The application site of the high-resistance conductive primer is indicated by hatching in FIGS. The high-resistance conductive primer is applied to the handle 4 from the occupant contact surface 26 of the grip 25 to the entire arm 27. The high-resistance conductive primer is provided in the handle case 5 at the portions facing the openings 21 and 22, and at the bottom plate 1.
1, the side wall 12, the shaft 29, the outer peripheral edge portion 14, and the mounting boss 15 are applied. By setting such a coating site, the occupant contact surface 26 of the grip 25 and the door panel 2
Are conducted through the high-resistance conductive primer. The electric resistance between the grip 25 and the door panel 2 is set to 10 ⁷ Ω to 10 ¹¹ Ω by using a high-resistance conductive primer generated by a manufacturing method described later.
Insulation primer is applied to portions other than the high-resistance conductive primer application site (however, application of the insulative primer to this portion is not essential,
It may or may not be applied).

The outside door handle device 3 is further coated with a top coat on a high resistance conductive primer or an insulating primer. FIG. 6 shows the state of application of the top coat. In the figure, the portion shown by the dashed line is the surface (design surface) visible to the occupant. The coating thickness of the top coat in this part is 40 μm
It is set above. On the other hand, the portion shown by the two-dot chain line is a portion that cannot be seen by the occupant. The coating thickness in this part is set to 15 μm or less.

[Production method of high-resistance conductive primer] The high-resistance conductive primer is a conductive primer A, a general primer B
Is produced by mixing Conductive primer A,
Each of the general primers B is made of two-component curable acrylic urethane. FIG. 7 shows the composition of both. When the conductive primer A is used alone and coated by the following coating method, the electrical resistance of the conductive primer A in the coated state is about 10 ⁴ Ω. On the other hand, the general primer B has an insulating property and the electric resistance value when used alone is 10 ¹⁴
Ω or more.

The conductive primer A is conventionally used for imparting conductivity to a non-conductive resin to enable electrostatic coating, and has a function of adhering the resin and the overcoat during electrostatic coating. Have. On the other hand, general primers
It is used for general coating, and is used to adhere resin and top coating.

[Coating method of high-resistance conductive primer] The conductive primer A and the general primer B are mixed, and further the isocyanate-based curing agent C is mixed. Here, the mixing ratio between the conductive primer A and the curing agent C is set to 10: 1, and the mixing ratio between the general primer B and the curing agent C is set to 6: 1. Therefore, the amount of the curing agent C is 10 times that of the conductive primer A.
It is the sum of one-sixth and one-sixth of general primer B.

Then, after mixing the curing agent C, the mixture is diluted with a thinner to make the viscosity of the mixed solution about 12 seconds (measured using an Iwata cup viscometer). The diluted mixture is applied using an atomizing air gun and further baked in a drying oven (80 ° C. × 30 minutes). In addition,
As described above, the ratio between the conductive primer A and the general primer B is set so that the electrical resistance between the grip 25 and the door panel 2 in the applied state is 10 ⁷ to 10 ¹¹ Ω.

Next, with reference to FIG. 8, the operation of the vehicle electrostatic shock prevention device of the present embodiment will be described. In FIG. 8, the occupant 30 is charged with static electricity. The crew 30
It has a grip 25 of the handle 4 when getting on and off the vehicle. The finger of the occupant 30 is inserted into the U-shaped portion of the grip 25 and touches the occupant contact surface 26. At this time, the static electricity charged to the occupant 30 flows to the high-resistance conductive primer applied to the grip 25. Then, the static electricity reaches the door panel 2 through the high-resistance conductive primer. Here, as described above, the arm 27 of the handle 4 is in contact with the handle case 5 at the openings 21 and 22. Therefore, one of the paths through which the static electricity flows is as follows.
Bottom plate 11, side wall 12, outer peripheral edge 14, mounting boss 15,
The mounting nut 16 passes through the door panel 2. Also, arm 2
7 is supported at the tip end 28 on the shaft bases 18 to 20. Therefore, another path through which static electricity flows is as follows: the grip 25, the arm 27 (the tip 28, the shaft 29),
Shaft bases 18 to 20, outer peripheral edge 14, mounting boss 15,
The mounting nut 16 passes through the door panel 2. In either path, static electricity flows through the high resistance conductive primer applied on the path. As described above, the static electricity is discharged to the door panel 2. Therefore, the occupant 30 can open and close the vehicle door 1 without receiving an electric shock.

FIGS. 9 and 10 show experimental examples showing the effect of the present apparatus for preventing electric shock shock. As shown in FIG. 9, in this experiment, a test piece 36 is placed on an insulating sheet 35, and the test piece 36 is connected to a ground via a cable 37. The test piece 36 has (length × width × thickness) (about 100 mm × about 100 mm × about 3 m).
m). Then, the discharge gun 38 is brought close to the test piece 36, and discharge from the discharge gun 38 to the test piece 36 is performed. The applied voltage V0 at the time of discharging is
It is set to 5 kV, 8 kV, and 20 kV. According to Japanese Unexamined Patent Publication No. Sho 62-31996 (supra), it is assumed that the voltage of the static electricity charged to the occupant when getting off the vehicle reaches 10 kV.

FIG. 10 shows the experimental results, and shows the evaluation results when a plurality of discharges were performed at each test specification and each applied voltage V0. In the same figure, the circles indicate that no spark is generated at the time of discharge, and that the discharge gun 38 has no remaining charge. On the other hand, the mark “x” indicates that a spark was generated at the time of discharge. In the case of the triangular mark, no spark is generated, but the discharge gun 38 has a charge remaining. Therefore, when the handle 4 and the door case 5 of the outside door handle device 3 have the same configuration as the test piece 36 with a circle, it is considered that static electricity is discharged without giving an electric shock to the occupant. Further, in the case of the configuration of “X”, the occupant receives an electric shock. And, in the configuration of the triangle mark, static electricity remains on the occupant even after touching the steering wheel 4.

The specifications of the test piece 36 used for each test shown in FIG. 10 will be described; Test 1: corresponding to the apparatus of the present invention. By setting the mixing ratio of the conductive primer A and the general primer B to 6: 4, a high-resistance conductive primer is generated. A high-resistance conductive primer is applied on an injection-molded resin flat plate by the above-described application method. Electric resistance is 1.1 × 10 ⁹ Ω; · Test 2: mixing ratio of the conductive primer A general primer B is 8: is set to 2. Therefore, the electric resistance value is lower than when the high-resistance conductive primer is applied (5.1 × 10 ⁵ Ω); Test 3: The mixing ratio between the conductive primer A and the general primer B is set to 4: 6. ing. Therefore, the electric resistance value is higher than when the high-resistance conductive primer is applied (1.8 × 10 ¹⁴ Ω); Tests 4 to 6: The test piece of Test 1 is further coated with a topcoat paint. . The coating thickness of the top coat is 15 μm, 31 μm, and 45 μm, respectively. Tests 7 to 9: correspond to the conventional apparatus described in JP-A-1-169517. A flat plate is formed by injection-molding a mixed resin material composed of a resin material A and a resin material B. The resin material A is an alloy material of PPE / PA (polyphenylene ether / polyamide), and carbon black is added to the resin material A. The resin material B is also an alloy material of PPE / PA, and no carbon black is added to the resin material B. The mixing ratios of the resin materials A and B in Tests 7 to 9 were (10: 0),
(8: 2) and (6: 4). The test piece of test 7 has a high resistance conductivity (electric resistance value: 3 × 10
Having ^{9 Ω);} · Test 10-12: corresponds to the conventional apparatus described in JP-A-1-169517. A flat plate is formed by using a resin material (polycarbonate) to which carbon fiber is added and injection molding the resin material. The carbon fiber addition rates were 8.0% and 6.0%, respectively.
%, 4.0%; Tests 13 and 14: Again, JP-A-1-169517
Corresponds to the conventional device described in (1). Using a resin material (PC / CBT (polycarbonate / polybutylene terephthalate)) to which conductive whiskers are added, a flat plate is formed by injection molding this resin material. A whisker is a needle-shaped single crystal having a cross-sectional area of 8 × 10 ⁻⁵ inch ² or less and a length of 10 times or more the cross-sectional average diameter. The conductive whisker is obtained by subjecting the surface of the whisker to a conductive treatment. Here, as whiskers,
Potassium titanate (K ₂ O.nTiO ₂ ) having a fiber diameter of 0.3 to 0.6 μm and a fiber length of 10 to 20 μm is used. In Tests 13 and 14, the whisker addition ratio was different, and the latter was lower. And test 14
The test piece of high resistance conductivity (electric resistance value: 3.1
× 10 ¹⁰ Ω); Test 15: Resin (PC) mixed with permanent antistatic material
/ ABS (polycarbonate / acrylonitrile-butadiene-styrene)), and a flat plate is formed by injection molding this resin material. The permanent antistatic agent is used to increase the conductivity of the resin material to prevent static. Examples of the permanent antistatic agent include a hydrophilic polymer such as a polyethylene glycol copolymer resin.

As shown in the experimental results, in Test 1 corresponding to the device of the present embodiment, the applied voltage V0 was 5 kV,
In each case of 8 kV and 20 kV, the evaluation results are indicated by circles. That is, spark does not occur during discharge,
There is no charge remaining. The same applies to Test 4 (when the top coat is applied to the test piece of Test 1 by 15 μm). The device of the present embodiment is configured with these specifications. Therefore, by using the device of the present embodiment, static electricity can be discharged without giving an electric shock to the occupant.

On the other hand, in test 2, a spark is generated due to a low electric resistance value, and in test 3, a residual charge is generated due to a high electric resistance value. In Tests 5 and 6, residual charge is generated because the applied thickness of the top coat is large. Therefore, with these specifications, it is difficult to discharge static electricity without giving a shock to the occupant.

Tests 7 and below correspond to the conventional apparatus. However, these specifications require that the applied voltage V0 be 5 k
There are no specifications marked with a circle at all V, 8 kV and 20 kV. Therefore, it is difficult to sufficiently obtain a function of discharging static electricity without giving an electric shock according to the specifications of the conventional apparatus.

FIG. 11 shows the result of a more detailed test. The specifications of the test piece correspond to Test 1 described above. However, the electric resistance value of each test piece is set to a value from 1.5 × 10 ⁶ Ω to 5.9 × 10 ¹¹ Ω as shown in the figure. The test method is the same as described above. The applied voltage V0 is set to 5 kV, 10 kV, 15 kV, and 20 kV.

As shown in the figure, in the case of the test 23 (electrical resistance 7.4 × 10 ⁶ Ω), the result is good at 10 kV, but a spark occurs at 15 kV. On the other hand, test 24 (electric resistance value 6.6 × 10 ⁷ Ω)
In this case, the result is good even at 20 kv. Therefore, the lower limit of the electric resistance value suitable for preventing the electrostatic shock is 1
It can be said that about 0 ⁷ Ω.

On the other hand, test 26 (electric resistance 2.1 × 1
0 ¹⁰ Ω), the result is good even at 20 kV. 5 kv for test 27 (electrical resistance 3.1 × 10 ¹¹ Ω)
, Residual charge occurs. Therefore, it can be said that the lower limit of the electric resistance value suitable for preventing the electrostatic shock is about 10 ¹¹ Ω.

Further, test results for an actual outside handle device will be described. Here, an outside door handle device of a mass-produced small passenger car was used. In this test, a sample was prepared in which the electric resistance from the door handle 4 to the door panel was about 5 × 10 ⁸ Ω by applying a high-resistance conductive primer. Further, a test was performed on the above-mentioned sample, which was subjected to an overcoating on an actual coating line. Then, a discharge with an applied voltage of 20 kV was performed on the grip 5 of the handle 4 using the discharge gun described with reference to FIG. In both samples, the test results were good, and no spark or discharge residue occurred.

The preferred embodiment of the present invention has been described above. In the present embodiment, the present invention is applied to the outside door handle device 3 for a vehicle. On the other hand, the present invention is similarly applicable to an inside door handle device for a vehicle. In this case, a high resistance conductive primer is applied from the handle of the inside door handle device to the door panel. Further, the present invention is not limited to the door handle device. That is, the present invention is also applicable to other parts assembled to a metal vehicle body. Further, the device of the present invention does not have to be shared with other components such as a door handle device. That is, the device of the present invention may be configured for exclusive use and attached to the vehicle body.

In the above embodiment, the high-resistance conductive primer is applied to both the handle 4 and the handle case 5. On the other hand, the application site of the high-resistance conductive primer may be changed as shown in FIGS. In both figures, the hatched lines indicate the application site of the high resistance conductive primer. The dashed line indicates the application site of the conductive primer. As a conductive primer,
The conductive primer A used for producing the high-resistance conductive primer may be used. As shown in FIG.
, A high-resistance conductive primer is applied to the same portion as in FIG. A conductive primer is applied to the handle case 5 instead of the portion where the high-resistance conductive primer was applied. On the other hand, the application site of the high resistance conductive primer and the conductive primer in FIG. 13 is opposite to that in FIG.
That is, a conductive primer is applied to the handle 4 and a high-resistance conductive primer is applied to the handle case 5.
As described above, even if the application site of the high-resistance conductive primer is limited, the same effect as that of the above embodiment can be obtained.

In this embodiment, the conductive primer A and the general primer B made of two-component curable acrylic urethane
Is used. On the other hand, another kind of primer may be used as the high-resistance conductive primer, and for example, a one-component acrylic lacquer may be used. Further, it is preferable that the method of applying the high-resistance conductive primer and the setting of the drying temperature and time are appropriately set according to the type of the primer. For example, a high-resistance conductive primer may be brushed without using an air gun as described above.

[0055]

The vehicle electrostatic shock arrester of the present invention has a simple structure and can sufficiently prevent an electric shock as shown in the experimental results. Therefore, according to the present invention, a high-productivity, low-cost electrostatic shock prevention device for a vehicle is provided.

[Brief description of the drawings]

FIG. 1 is a front view of a vehicle door to which a vehicle electrostatic shock prevention device according to an embodiment of the present invention is applied.

FIG. 2 is a cross-sectional view of the vehicle door of FIG. 1 taken along line AA.

FIG. 3 is a front view of the handle case as viewed from the direction of arrow Y in FIG. 2;

FIG. 4 is an enlarged view of an attachment portion between the handle case and the door panel.

FIG. 5 is a sectional view of a handle.

FIG. 6 is a cross-sectional view of the outside door handle device showing a setting of a coating thickness of a top coat.

FIG. 7 is an explanatory view showing the composition of a conductive primer A and a general primer B.

FIG. 8 is a sectional view of the outside door handle device showing a discharge path of static electricity.

FIG. 9 is an explanatory diagram showing an experimental method in an experimental example showing the effect of the vehicle electrostatic shock prevention device of the present embodiment.

FIG. 10 is an explanatory diagram showing experimental results when the experiment of FIG. 9 was performed.

FIG. 11 is an explanatory diagram showing an experimental result when the resistance value is changed within a setting range of the electric resistance value according to the embodiment.

FIG. 12 is a cross-sectional view of the outside door handle device when the application site of the high-resistance conductive primer is changed with respect to FIG.

FIG. 13 is a cross-sectional view of the outside door handle device when the application site of the high resistance conductive primer is changed with respect to FIG.

[Explanation of symbols]

1 vehicle door, 2 door panel, 3 outside door handle device, 4 handle, 5 handle case, 1
3 storage recess, 16 mounting nut, 18, 19, 20
Shaft stand, 25 gripper, 26 occupant contact surface, 27
Arms, 29 shafts, 30 occupants.

Claims (4)

[Claims] 1. An anti-shock device for a vehicle which is attached to a metal vehicle body and discharges static electricity charged to the vehicle occupant to the vehicle body when the vehicle occupant comes into contact with the vehicle occupant. A conductive coating agent is applied, and a contact portion for a vehicle occupant and the vehicle body are conducted through the high-resistance conductive coating agent, so that an electric resistance value between the contact portion and the vehicle body is 10 ⁷ to 10 ^11. An electrostatic shock prevention device for a vehicle, wherein the device is adjusted to Ω. 2. The apparatus according to claim 1, wherein a resin door handle case is attached to the vehicle door panel, and the resin door is rotatably attached to the door handle case and has the contact portion. And a handle, wherein the high-resistance conductive coating material is a coating primer and is applied to at least one of a door handle case and a door handle. 3. The apparatus according to claim 2, wherein the coating primer as the high-resistance conductive coating material is produced by mixing a primer with high conductivity and a primer with low conductivity. Anti-shock device for vehicles. 4. The electrostatic shock protection device for a vehicle according to claim 2, wherein a top coat is further applied after the application of the coating primer.