JPH0555406U - Lens mounting structure for vehicle parts - Google Patents

Abstract

(57) [Summary] [Purpose] The objective is to firmly attach the inner lenses 2 and 3 to the housing 1. [Structure] A step portion 17 on which ends 21 and 31 of inner lenses 2 and 3 are placed in a housing 1, and heat for fixing the end portions 21 and 31 of the inner lenses 2 and 3 to the step portion 17. And a crimp portion 180. As a result, the end portions 21 and 31 of the inner lenses 2 and 3 are connected to the step portion 17 and the heat tightening portion 18.
It can be sandwiched and fixed with 0, and the inner lenses 2 and 3 can be firmly attached to the housing 1. Moreover, the heat tightening portion 180 is the end portion 2 of the inner lens 2 or 3.
Since 1 and 31 are fixed, they are not so conspicuous when viewed from the front of the outer lens 4. Therefore, this heat tightening portion 180
Since it is possible to fix a predetermined necessary part of the end portions 21 and 31 of the inner lenses 2 and 3,
The 3 can be attached to the housing 1 more firmly.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a vehicular lamp such as a rear combination lamp, or a vehicular decorative component such as a rear finisher, which has a multiple lens structure. Particularly, the inner lens of the multiple lens is securely fixed. The present invention relates to a mounting structure for a lens of a vehicle component that can be used.

[0002]

[Prior Art]

 A lens mounting structure of this type of vehicle component will be described with reference to FIGS. In this example, a mounting structure of an inner lens in a rear combination lamp including a stop lamp and a turn signal lamp will be described. In the figure, A indicates a stop lamp on the upper side, and B indicates a turn signal lamp on the lower side. 1 is a housing. This housing 1 is provided with a horizontal partition wall 10 in the center thereof, and has a lamp chamber portion 11 for the stop lamp A on the upper side (hereinafter simply referred to as an upper lamp chamber portion) 11 and a turn signal for the lower portion. A lamp chamber portion for the lamp B (hereinafter, simply referred to as a lower lamp chamber portion) 12 is configured. Further, a vertical partition wall 16 is provided at the center of the upper lamp chamber portion 11 of the housing 1. Openings 13 and 14 are provided on the entire surface side and the rear side of the housing 1, respectively, and the entire peripheral edge of the front opening 13, that is, the outer peripheral portion of the housing 1, the horizontal partition wall 10 and the vertical partition wall 16 are bonded to the recessed portion 1. 5 is provided. Reference numerals 2 and 3 denote an inner lens for the stop lamp A on the upper side (hereinafter, simply referred to as an upper inner lens) and an inner lens for the turn signal lamp B on the lower side (hereinafter, simply referred to as an upper inner lens). Is. The upper inner lens 2 and the lower inner lens 3 are, for example, transparent and have a shape capable of covering the front opening 13 of the upper lamp chamber portion 11 and the front opening 13 of the lower lamp chamber portion 12, Adhesive legs 20 and 30 are integrally provided on the entire periphery thereof. 4 is an outer lens. The outer lens 4 includes a red upper portion 40 for the stop lamp A (hereinafter simply referred to as a red lens) and an amber lower portion 41 for the turn signal lamp B (hereinafter simply referred to as an amber lens). ) Are integrally formed, and adhesive legs 42 are integrally provided on the outer peripheral edge, and standing walls 43 and 44 are integrally provided at the boundary between the red lens 40 and the amber lens 41. To do. Generally, one of the red lens 40 and the amber lens 41 is first molded, and then the outer lens 4 is molded into the outer lens molding die, that is, the other molding die. By setting a product and molding the other, one molded product and the other molded product are integrally molded. The adhesive leg portion 20 of the upper inner lens 2 is fixed to the adhesive concave portion 15 of the outer peripheral portion of the housing 1 corresponding to the upper lamp chamber portion 11 and the adhesive concave portion 15 of the partition wall 10 by adhesive sealing with the hot melt 5. In addition, the adhesive leg portion 30 of the lower inner lens 3 is attached to the adhesive concave portion 15 of the outer peripheral portion of the housing 1 corresponding to the lower lamp chamber portion 12 and the adhesive concave portion 15 of the partition wall 10 by hot melt 5 The adhesive leg portion 42 of the outer lens 4 is fixed to the adhesive concave portion 15 of the outer peripheral portion of the housing 1 by hot melt 5 by adhesive sealing. As a result, the lamp chamber 51 for the stop lamp A on the upper side (hereinafter, simply referred to as the upper lamp chamber) and the lamp chamber 52 for the turn signal lamp B on the lower side (hereinafter, simply referred to as the lower lamp chamber). ) Are formed respectively. The hot melt 5 bonding between the bonding legs 20 and 30 of the upper inner lens 2 and the lower inner lens 3 and the bonding recess 15 of the partition wall 10 of the housing 1 described above is performed by partial point bonding or whole bonding. Any total adhesion is acceptable. Reference numerals 53 and 54 denote a light source bulb for a stop lamp and a light source bulb for a turn signal lamp arranged in the upper lamp chamber 51 and the lower lamp chamber 52. In the figure, 6 is a back cover. The back cover 6 is detachably fitted into the rear opening 14 of the housing 1 to cover the rear opening 14. A reflecting portion 60 is integrally provided on the inner surface of the back cover 6, and a reflector 61 having, for example, a paraboloid of revolution is fixed to the reflecting portion 60, or a reflecting surface (not shown) is provided. A socket holder 62 is integrally provided on the inner surface of the back cover 6, a socket 63 is provided on the socket holder 62, and the light source bulbs 53 and 54 are detachably attached to the socket 63. In such a vehicular lamp, when the stop lamp light source bulb 53 is turned on, the light from the light source bulb 53 becomes red light through the upper inner lens 2 and the red lens 40, and the red light has a predetermined light distribution pattern. It is emitted to the front (rear when the vehicle is the reference). When the light source bulb 54 for the turn signal lamp is turned on, light from the light source bulb 54 passes through the lower inner lens 3 and the amber lens 41 to become amber color light, and the amber color light is forwarded in a predetermined light distribution pattern ( When the vehicle is the reference, it is irradiated to the rear).

[0003]

[Problems to be solved by the device]

 However, in the above-described conventional lens mounting structure for vehicle parts, since the adhesive leg portions 20 and 30 of the inner lenses 2 and 3 are simply adhered to the adhesive concave portion 15 of the housing 1 by the hot melt 5, Due to a manufacturing error of the housing 1 or the inner lenses 2 and 3, or due to a bonding operation of the hot melt 5, there is a play between the bonding concave portion 15 of the housing 1 and the bonding leg portions 20 and 30 of the inner lenses 2 and 3. May occur. As means for preventing such rattling, the pressing convex portion (fixing rib) is projected from the outer lens 4 toward the inner lenses 2 and 3, and the pressing convex portion is brought into contact with the inner lenses 2 and 3 to There is something that prevents rattling of the lenses 2 and 3. However, in this means, since the pressing convex portion is visible from the front of the outer lens 4, the position where the pressing convex portion is provided is limited to the retroreflective prism element (R / R) of the outer lens 4. .. For this reason, there is a problem in that the effect of preventing the inner lenses 2 and 3 from being loosened by the pressing convex portion is not so obtained.

An object of the present invention is to provide a lens mounting structure in a vehicle component that can firmly fix an inner lens of a multiple lens to a housing.

[0005]

Means for Solving the Problems The present invention provides a housing with a step on which an end of an inner lens of a multiplex lens is mounted, and a heating member for fixing the end of the inner lens to the step. It is characterized in that a fastening section and a fastening section are provided respectively.

[0006]

[Action]

 According to the present invention, since the end portion of the inner lens is clamped and fixed by the step portion of the housing and the heat-tightening portion, the inner lens can be firmly attached to the housing. Moreover, since the heat-crimping portion of the housing fixes the end portion of the inner lens, it is not so noticeable when viewed from the front of the outer lens. Therefore, since the heat crimping portion can fix a predetermined necessary portion of the end portion of the inner lens, the inner lens can be more firmly attached to the housing.

[0007]

【Example】

 An embodiment of a lens mounting structure in a vehicle component according to the present invention will be described below with reference to FIGS. 1 to 4. In this example, a rear combination lamp including a stop lamp and a turn signal lamp will be described. In the figure, the same reference numerals as those in FIGS. 5 to 7 are shown. In the figure, 17 is a step. The step portion 17 is provided on the horizontal partition plate 10 and the vertical partition plate 16 of the housing 1. That is, the step portion 17 is provided in the housing 1 where the end portions 21 and 31 of the upper inner lens 2 and the lower inner lens 3 are placed. The step portion 17 includes a vertical wall 170 that is higher than the height of the end portions 21 and 31 of the upper inner lens 2 and the lower inner lens 3, and the end portion 21 of the upper inner lens 2 and the lower inner lens 3. The horizontal wall 171 is wider than the thickness of 31. In the figure, reference numeral 18 is a convex portion for the heat crimping portion. The convex portion 18 for the heat tightening portion is provided at a corner portion between the vertical wall 170 and the horizontal wall 171 of the step portion 17 of the housing 1. Further, the heat-crimping portion convex portion 18 is provided at a position corresponding to a predetermined necessary fixing position among the end portions 21 and 31 of the inner lenses 2 and 3. The height of the heat-crimping convex portion 18 is smaller than the height of the vertical wall 170 of the step portion 17 of the housing 1, and the end portions 21 and 31 of the upper inner lens 2 and the lower inner lens 3 are formed. The height is higher than the height, and the thickness is such that the ends 21 and 31 of the upper inner lens 2 and the lower inner lens 3 can be placed on the horizontal wall 171 of the housing 1, and the width is a step of the housing 1. The width is set so that the end portions 21 and 31 of the upper inner lens 2 and the lower inner lens 3 can be firmly fixed to the portion 17. Thus, the end portions 21 and 31 of the inner lenses 2 and 3 are placed on the horizontal wall 171 of the step portion 17 of the housing 1, and the upper portion of the heat-tightening convex portion 18 of the housing 1 is heat-tightened, The end portions 21 and 31 of the inner lenses 2 and 3 are clamped and fixed by the horizontal wall 171 of the step portion 17 of the housing 1 and the heat crimping portion 180.

In this embodiment, the vehicle part lens mounting structure lamp according to the present invention includes the end portions 21 and 31 of the inner lenses 2 and 3 and the horizontal wall 171 of the step portion 17 of the housing 1 and the heat crimping portion 180. The inner lenses 2 and 3 can be firmly attached to the housing 1 because they are sandwiched and fixed by. Moreover, since the heat-tightening portion 180 of the housing 1 fixes the ends 21 and 31 of the inner lenses 2 and 3, it is not so noticeable when viewed from the front of the outer lens 4. Therefore, since the heat crimping portion 180 can fix a predetermined necessary portion of the end portions 21 and 31 of the inner lenses 2 and 3, the inner lenses 2 and 3 can be more firmly attached to the housing 1. it can.

Although the rear combination lamp including the stop lamp and the turn signal lamp has been described in the above embodiment, the mounting structure of the lens in the vehicle component of the present invention is not limited to the above-described rear combination lamp. It can also be used for a vehicle lighting device having a lens structure or a vehicle decorative component. Further, in the above-described embodiment, the heat crimping portion 180 and the hot melt 5 are shared, and the upper inner lens 2 and the lower inner lens 3 are attached to the housing 1. The upper inner lens 2 and the lower inner lens 3 may be attached to the housing 1 only by the fastening portion 180.

[0010]

[Effect of the device]

 As is apparent from the above, the lens mounting structure in the vehicle component of the present invention has a stepped portion on which the end portion of the inner lens of the multiple lenses is placed and the end portion of the inner lens in the housing. Since the heat crimping portion for fixing to the step portion is provided respectively, the inner lens can be fixed by sandwiching and fixing the end portion of the inner lens between the step portion of the housing and the heat crimping portion. Can be firmly attached to the housing. Moreover, the heat-tightening portion of the housing fixes the end portion of the inner lens, so it is not very noticeable when viewed from the front of the outer lens. Therefore, since the heat crimping portion can fix a predetermined necessary portion of the end portion of the inner lens, the inner lens can be more firmly attached to the housing.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing an embodiment of a lens mounting structure in a vehicle component of the present invention.

[Fig. 2] Similarly, a vertical sectional view

FIG. 3 (A) is a partial plan view before thermal caulking,
(B) is a sectional view taken along the line EE in (A), and (C) is a partial perspective view.

FIG. 4 (A) is a partial plan view after heat-tightening,
(B) is a cross-sectional view taken along line ROLL in (A), and (C) is a partial perspective view.

FIG. 5 is a front view of a rear combination lamp using a conventional lens mounting structure for vehicle parts.

6 is a sectional view taken along line VI-VI in FIG.

7 is a sectional view taken along line VII-VII in FIG.

[Explanation of symbols]

A ... stop lamp, B ... turn signal lamp, 1 ...
Housing, 17 ... Stepped portion, 180 ... Thermal crimping portion, 2 ... Upper inner lens, 3 ..., Lower inner lens, 4 ...
Outer lens, 5 ... Hot melt, 51 ... Upper lamp chamber, 52 ... Lower lamp chamber, 53 ... Stop lamp light source bulb, 54 ... Turn signal lamp light source bulb, 6
... back cover.

Claims (1)

[Scope of utility model registration request] 1. A vehicle part having a chamber defined by a multiplex lens and a housing, wherein a step portion provided on the housing, on which an end of an inner lens of the multiplex lens is placed, and an inner lens is provided. A lens mounting structure for a vehicle component, comprising: a heat-tightening portion for fixing an end portion to the step portion.