JP3628224B2 - Lamp mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lamp mounting structure in a commercial vehicle such as a passenger car or a truck, or an industrial vehicle such as a construction machine.
[0002]
[Prior art]
For example, some passenger cars have a round lamp. In this case, a cylindrical recess is formed in a fixed part such as a front bumper, a rear bumper, or a body, a round lamp is inserted into the recess, and the lamp is attached to a predetermined position in the circumferential direction of the recess. Position the part. Next, there is a configuration in which a lamp (an example of a connecting member) is fastened to the mounting portion of the lamp from the back side of the fixing portion, and the lamp is mounted in the concave portion.
[0003]
[Problems to be solved by the invention]
As described in the prior art, when a round lamp is inserted into a cylindrical recess, the lamp may rotate inside the recess.
Thus, when the lamp is inserted into the recess and the lamp mounting portion is positioned at a predetermined position in the circumferential direction of the recess (position for connecting the lamp mounting portion to the recess by the connecting member), the lamp mounting Since the portion is located inside the recess, it is difficult for the operator to visually check whether or not the lamp mounting portion is located at a predetermined position in the circumferential direction of the recess. Therefore, the operator must move the lamp inserted into the recess by hand, bring the lamp mounting portion to a predetermined position in the circumferential direction of the recess, and tighten the screw.
In this case, depending on the vehicle model, the surface of the fixed part and the surface of the lamp (lens) are set at substantially the same position (height), or the lamp is set so that it almost completely enters the recess. As described above, the operation of manually rotating the lamp inserted into the recess by the operator is difficult.
[0004]
Even if the mounting hole for the screw is set to be slightly larger at the predetermined position in the circumferential direction of the recess, and the lamp mounting part is slightly deviated from the predetermined position in the circumferential direction of the recess, the mounting part of the lamp It is also conceivable that the screw can be tightened. However, with this configuration, the center of the lamp is slightly deviated from the center of the recess, and the mounting position of the lamp varies with respect to the recess.
The present invention relates to a lamp mounting structure in which a round lamp is inserted into a cylindrical recess formed in a fixed portion, and the mounting portion provided on the lamp is connected to the recess via a connecting member. It is intended to be Rukoto as lamp positioning can be performed easily when inserting the lamp.
[0005]
[Means for Solving the Problems]
[I]
According to the features of claim 1, in the case of connecting the mounting portion provided in the lamp by inserting the round lamp in the recess of the cylindrical shape formed in the fixed part via a connecting member in the recess, the recess of the The recess is provided with a positioning portion that comes into contact with the mounting portion of the lamp so as to be sandwiched from one and the other along the circumference and determines the position of the lamp in the circumferential direction of the recess.
[0006]
Thereby, according to the characteristic of Claim 1, if the position of the positioning part of a recessed part respond | corresponds to the predetermined position (position for connecting the attachment part of a lamp | ramp to a recessed part with a connection member) in the circumferential direction of a recessed part When the lamp is inserted into the recess, the lamp mounting portion is positioned between the positioning portions of the recess so that the lamp mounting portion is positioned at a predetermined position in the circumferential direction of the recess. The lamp does not rotate inside the recess. Therefore, in this state, the attachment portion of the lamp can be easily connected to a predetermined position in the circumferential direction of the recess by the connecting member.
[0007]
According to the features of claim 1, because they act on the positioning portion of the recess directly on the mounting portion of the lamp which is connected to a predetermined position in the circumferential direction of the recess, the other lamp, for example, a lamp mounting portion As compared with the configuration in which the concave portion positioning portion is acted on, the lamp mounting portion is accurately positioned at a predetermined position in the circumferential direction of the concave portion.
Thus, as described problems example to be Solved by the Invention, set the mounting holes for screws slightly larger at a predetermined position in the circumferential direction of the concave portion, so as to tighten the screws to the mounting portion of the lamp Even if not, according to the feature of claim 1, the mounting portion of the lamp can be accurately connected to the predetermined position in the circumferential direction of the concave portion by the connecting member, and the center of the lamp is slightly shifted from the center of the concave portion. It is possible to avoid a situation in which the mounting position of the lamp varies with respect to the recess.
[0008]
[II]
According to the first aspect of the present invention, the concave portion is provided with a guide portion that guides the mounting portion of the lamp between the positioning portions of the concave portion as the lamp is inserted into the concave portion. Thus, when the lamp is inserted into the recess so that the lamp mounting portion enters between the positioning portions of the recess, even if the mounting portion of the lamp is slightly removed from between the positioning portions of the recess, As the lamp is inserted, the lamp mounting portion is guided between the positioning portions of the recess by the guide portion of the recess.
[0009]
[III]
According to the feature of claim 1 , the interval between the positioning portions of the recesses is narrower toward the back side of the recesses, and the lamp is inserted into the recesses with the mounting portion of the lamp interposed between the positioning portions of the recesses. As a result, the lamp mounting portion is pressed so as to be sandwiched between the positioning portions of the recesses.
Thus, according to the feature of claim 1 , positioning of the lamp mounting portion at a predetermined position in the circumferential direction of the concave portion is performed with higher accuracy, and the rattling of the lamp in the circumferential direction of the concave portion is caused. However, it is suppressed by the pressing action of the positioning portion of the recess.
[0010]
[IV]
According to the feature of claim 2 , as in the case of claim 1 , the “action” described in the preceding paragraphs [I] [II] [III] is provided, and in addition to this, the following “action” is provided. ing.
According to the feature of claim 2, the auxiliary positioning portion that contacts the radial direction of the concave portion and determines the position of the lamp in the radial direction of the concave portion is provided in the concave portion, and when the lamp is inserted into the concave portion, The lamp mounting portion is pressed by the auxiliary positioning portion of the recess.
Thus, according to the features of claim 2, when the mounting portion of the lamp is positioned at a predetermined position in the circumferential direction of the recess, so also positioned the position of the mounting portion of the lamp in the radial direction of the recess, coupling It is possible to more easily connect the lamp mounting portion to a predetermined position in the circumferential direction of the recess by the member. In this case , since the auxiliary positioning portion of the recessed portion directly acts on the mounting portion of the lamp, for example, the radius of the recessed portion is compared with the configuration in which the auxiliary positioning portion of the recessed portion acts on a portion of the lamp different from the mounting portion of the lamp. The position of the mounting portion of the lamp in the direction is accurately positioned. Further, the rattling of the lamp in the radial direction of the concave portion is suppressed by the pressing action of the auxiliary positioning portion of the concave portion.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
1, 2, 3 and 5 show a round lamp 1 attached to a front bumper 9 of a passenger car. The lamp 1 includes a lamp housing 2, a lens 3, a bulb 4, a rim 5, and the like. Yes.
[0012]
Next, the configuration of the lamp 1 will be described.
As shown in FIGS. 1, 2, 3, and 5, the lamp housing 2 is configured to connect a large-diameter cylindrical portion and a small-diameter cylindrical portion with a conical portion. A valve 4 is fixed to the cylindrical portion. A flange portion 2a is provided on the outer peripheral portion of the large-diameter cylindrical portion, and cutout portions 2b opened outward are formed at four locations in the circumferential direction of the flange portion 2a. Flat convex portions 2c that are slightly inflated are formed at four locations that are out of the range.
[0013]
As shown in FIGS. 1, 2, and 5, a flange portion 3a is provided on the outer peripheral portion of the lens 3, and outwards at four locations in the circumferential direction of the flange portion 3a (the same phase as the notch portion 2b). An open notch 3b is formed. Thereby, the notch 2b of the lamp housing 2 and the notch 3b of the lens 3 are aligned, and the flange 2a of the lamp housing 2 and the flange 3a of the lens 3 are fixed by welding (or adhesion). A lens 3 is attached to the lamp housing 2.
[0014]
As shown in FIGS. 1, 2, 3, and 5, the lamp housing 2 is provided with a pair of mounting portions 2 d in a conical portion and a small-diameter cylindrical portion, and the resin screw mount 6 is mounted on the mounting portion. 2d. An air vent 2e is provided in the conical portion, and a breathable cloth 21 (see FIG. 7) that allows air to pass but does not allow moisture to pass is attached to the air vent 2e, and the cylindrical rubber member 7 vents the air. A breathable cloth 21 is fixed to the part 2e. As shown in FIGS. 2 and 3, the holding portion 2f for holding the coupler 8 of the bulb 4 and the fixing claw 2g for retaining, and the claw portion 2h for temporary holding when the lamp 1 to be described later is attached are conical. It is provided in the part.
[0015]
As shown in FIGS. 1 and 5, the rim 5 is formed in a circular ring shape, and as shown in FIG. The engaging portion 5a is provided in the mounting direction to be described later. As a result, the rim 5 is moved to the right in FIG. 5 and the engaging portion 5a is inserted into the notches 2b and 3b from the lens 3 side as shown in FIGS. 2 and the flange 3a of the lens 3 are attached.
[0016]
As shown in FIGS. 7, 9, and 10, when the rim 5 is attached to the flange portions 2a and 3a of both the lamp housing 2 and the lens 3, the engaging portion 5a enters both the notches 2b and 3b. The flange portion 2a is engaged with the rim 5 and the engagement portion 5a so that both flange portions 2a and 3a are sandwiched. The outer diameter of the rim 5 is larger than the outer diameters of both flange portions 2a, 3a, and when viewed from the lens 3 side, the engaging portion 5a and both flange portions 2a, 3a is hidden.
[0017]
Next, the recess 10 of the front bumper 9 to which the lamp 1 is attached will be described.
As shown in FIGS. 1, 4, and 5, a cylindrical concave portion 10 whose inner diameter gradually decreases toward the back side (right side in FIG. 5) is formed in the front bumper 9, and the back side of the concave portion 10 (FIG. 5). bottom 11 to the right side) is formed of, see recess 11a (FIG. 7 exiting the right side of FIG. 5 from the bottom 11), a pair of connecting holes 12, the keyhole-shaped opening 13 and the drain hole 14 in the bottom 11 Is provided. As shown in FIGS. 1, 4, 5, and 8, planar positioning portions 15 are provided on the upper and lower sides of the connecting hole 12 inside the recess 10 along the left-right direction of FIG. 5. In this case, as shown in FIG. 8, the positioning portion 15 is formed on a gently inclined surface so that the distance between the positioning portions 15 becomes narrower toward the back side of the recess 10 (the right side in FIG. 5).
[0018]
As shown in FIGS. 1, 4, 5 and 8, a planar guide portion 16 is provided so as to be connected to the positioning portion 15. The guide portion 16 extends upward and downward on the left side of FIG. 5 (see FIG. 8). ) And the width becomes narrower (closer to the inner surface of the recess 10 toward the left side of FIG. 5). As shown in FIGS. 1, 4, and 5, narrow wedge-shaped guide portions 17 are provided along the left-right direction of FIG. It is formed so that the height is higher on the back side of the recess 10 (right side of the drawing in FIG. 5).
[0019]
Next, attachment of the lamp 1 to the recess 10 will be described.
The lamp 1 configured as shown in FIGS. 1 and 5 is formed from the left side of the paper surface as shown in FIGS. 5 to 6 while the mounting portion 2d faces the connecting hole 12 with the air bleeding portion 2e facing up. The lamp 1 is inserted into the recess 10 by moving toward the right side. In this case, even if the mounting portion 2d is slightly disengaged without facing the connecting hole 12, if the mounting portion 2d hits the guide portion 16, the insertion of the lamp 1 into the recess 10 causes the guide portion 16 to The guide 1 causes the lamp 1 to rotate a little inside the recess 10, and the mounting portion 2 d enters between the positioning portions 15 as shown in FIGS. 6 and 8, and the lamp 1 in the circumferential direction of the recess 10. The position (position where the mounting portion 2d is correctly opposed to the connecting hole 12) is determined.
[0020]
When the lamp 1 is further inserted into the concave portion 10, the positioning portion 15 is formed on a gently inclined surface so that the distance between the positioning portions 15 becomes narrower toward the back side of the concave portion 10 (the right side in FIG. 5). As a result, the mounting portion 2d is sandwiched between the positioning portions 15 from the up and down direction in FIG. 8, and the mounting portion 2d is pressed against the positioning portion 15 so that the ramp in the circumferential direction of the concave portion 10 is obtained. 1 (position where the mounting portion 2d is correctly opposed to the connecting hole 12) is determined with higher accuracy, and the rattling of the lamp 1 in the circumferential direction of the recess 10 is suppressed by the pressing action of the positioning portion 15. It is done.
[0021]
As shown in FIGS. 5 and 6, the mounting portion 2 d enters between the positioning portions 15 by forming the concave portion 10 in a cylindrical shape whose inner diameter gradually decreases toward the back side (the right side in FIG. 5). Then, when the lamp 1 is further inserted into the recess 10, the mounting portion 2d is formed on the wall 10a (see FIGS. 1 and 5) between the positioning portions 15 on the inner surface of the recess 10 as shown in FIG. Pressed. Thereby, the position of the lamp 1 in the radial direction of the concave portion 10 (the vertical direction on the paper surface in FIG. 6) is determined, and the rattling of the lamp 1 in the radial direction of the concave portion 10 (the vertical direction on the paper surface in FIG. 6) It is suppressed by the pressing action of the wall 10a.
[0022]
When the lamp 1 is inserted into the recess 10 until the screw mount 6 hits the connecting hole 12 in the bottom 11 as described above, the air vent 2e and the rubber member 7 are recessed 11a as shown in FIGS. The rear part of the valve 4 and the coupler 8, the holding part 2f and the fixing claw 2g enter the opening 13 (see FIGS. 4 and 5), and the claw part 2h becomes the edge 13a of the opening 13 (FIGS. 1, 4 and 5). The lamp 1 is temporarily held so as not to fall out of the recess 10. In this state, the lens 3 slightly protrudes from the surface of the front bumper 8.
[0023]
In this case, as shown in FIG. 9, each of the four convex portions 2c is in contact with and pressed against the guide portion 17 (see FIGS. 1, 4 and 5), and the radial direction of the concave portion 10 The position of the lamp 1 in the vicinity of the lens 3 in the vertical direction (left and right direction in FIG. 1 and FIG. 4) is determined, and the lamp 1 in the radial direction of the concave portion 10 (up and down and left and right direction in FIG. 1 and FIG. 4). The play around the lens 3 is suppressed by the pressing action of the guide portion 17. As shown in FIGS. 6 and 7, since the outer diameter of the rim 5 is larger than the outer diameter of the recess 10, the outer periphery of the lamp 1 and the recess 10 are viewed from the front side of the front bumper 9. Is hidden by the rim 5.
[0024]
As shown in FIGS. 2 and 5, since the claw portion 2h and the coupler 8 protrude to the right side of the paper surface relative to the mounting portion 2d, for example, if the lamp 1 is inserted into the recess 10 with the air vent portion 2e facing down, for example. The claw 2h hits the recess 11a, the coupler 8 hits the bottom 11, and the lamp 1 cannot be inserted into the recess 10 any more (the lens 3 protrudes larger on the left side of FIG. 6 and FIG. 7 than the front bumper 8 surface). State). If such a state, pull the lamp 1 from the recess 10, to insert a facing upward again lamp 1 into the recess 10 of the air vent portion 2e.
[0025]
As shown in FIG. 6, when the screw mount 6 inserts or in lamp 1 corresponds to a portion of the coupling hole 12 in the recess 10 in the bottom 11, the screws 18 from the back side of the front bumper 9, as shown in FIGS. 6 and 8, The lamp 1 is coupled to the recess 10 by being screwed and tightened to the screw mount 6 through the coupling hole 12. The coupler 20 of the harness 19 on the vehicle body side is connected to the coupler 8 of the bulb 4, and the lamp 1 to the recess 10 is connected. Finish installation.
[0026]
[Another Embodiment of the Invention]
In the structure shown in FIGS. 1, 2, 3 and 5, the lamp housing 2 is provided with a pair of mounting portions 2d. However, the lamp housing 2 has one mounting portion 2d or three mounting portions 2d. You may prepare. In the structure shown in FIGS. 4 and 5, the positioning portion 15 and the guide portion 16 are formed in a planar shape, but a plurality of rib-like independent walls are arranged to constitute one positioning portion 15 and the guide portion 16. You may make it do.
[0027]
The screw mount 6 shown in FIGS. 1, 2, 3 and 5 is eliminated, a stud bolt (not shown) is erected on the mounting portion 2d, the stud bolt is inserted into the connecting hole 12, and a nut (not shown) ) May be attached to a stat bolt and tightened. The lens 3 shown in FIGS. 1 and 5 is not limited to being colorless and transparent, and a lens 3 colored in orange or the like may be used.
The present invention can be applied not only to the lamp 1 attached to the recess 10 of the front bumper 9 but also to the lamp 1 attached to the recess of the rear bumper (not shown) and the recess of the body (not shown).
[0028]
【The invention's effect】
According to the features of claim 1, a lamp mounting structure in which a round lamp is inserted into a cylindrical recess formed in the fixed portion, and a mounting portion provided in the lamp is connected to the recess via a connecting member. In this case, the concave portion is provided with a positioning portion that directly acts on the lamp mounting portion, so that the lamp mounting portion can be easily and accurately positioned at a predetermined position in the circumferential direction of the concave portion, and the connecting member. As a result, the mounting portion of the lamp can be easily and accurately connected to the predetermined position in the circumferential direction of the concave portion, and the workability and mounting accuracy of mounting the lamp can be improved.
[0029]
According to the feature of claim 1, when the lamp is inserted into the concave portion so that the lamp mounting portion enters between the positioning portions of the concave portion, the lamp mounting portion is slightly disengaged from between the positioning portions of the concave portion. As the lamp is inserted into the concave portion, the lamp mounting portion is guided between the positioning portions of the concave portion by the guide portion of the concave portion, so that the lamp mounting portion is positioned at a predetermined position in the circumferential direction of the concave portion. As a result, the lamp mounting workability can be further improved.
[0030]
According to the first aspect of the present invention, when the lamp is inserted into the recess while the lamp mounting portion is interposed between the positioning portions of the recess, the lamp mounting portion is pressed so as to be sandwiched between the positioning portions of the recess. Therefore, it is possible to position the mounting portion of the lamp at a predetermined position in the circumferential direction of the concave portion with higher accuracy, and the rattling of the lamp in the circumferential direction of the concave portion positions the concave portion. The lamp mounting accuracy can be further improved by the fact that it can be suppressed by the pressing action of the part.
[0031]
According to the features of claim 2, provided with a "Effect of the Invention" in the same manner as in the case described above according to claim 1 claim 1, this such as the following in addition to the "Effect of the Invention""Effect of the invention" It has.
According to the second aspect of the present invention, the auxiliary positioning portion that determines the position of the lamp in the radial direction of the concave portion is provided in the concave portion, and when the lamp is inserted into the concave portion, the mounting portion of the lamp becomes the auxiliary positioning portion of the concave portion. The position of the mounting portion of the lamp in the radial direction of the concave portion is also positioned, and the rattling of the lamp in the radial direction of the concave portion is suppressed by the pressing action of the auxiliary positioning portion of the concave portion. From this point, it was possible to further improve the workability and accuracy of lamp installation.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a lamp and a recess of a front bumper. FIG. 2 is a perspective view of the lamp as viewed from the back. FIG. 3 is a rear view of the lamp as viewed from the back. [Fig. 6] Plan view of the lamp and front bumper recess [Fig. 6] Transverse plan view with the lamp mounted in the front bumper recess [Fig. 7] Vertical side view with the lamp mounted in the front bumper recess [Fig. 8] FIG. 9 is a cross-sectional view taken along the line AA in FIG. 6; Sectional view near the engaging part of the rim when attached to the recess [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lamp 2d Mounting part 9 Fixing part 10 Recessed part 10a Auxiliary positioning part 15 Positioning part 16 Guide part 18 Connecting member

Claims (2)

A cylindrical recess formed in the fixed part, round lamp is inserted, the mounting portion provided in the lamp, in the mounting structure of a lamp which is connected via a connecting member in the recess,
Positioning portion for positioning of the lamp in the circumferential direction of the recess in the mounting portion abutment to the lamp so as to sandwich the one and the other along the circumference of the recess, Bei example in the recess,
A guide portion that guides the mounting portion of the lamp between the positioning portions of the concave portion along with the insertion into the concave portion of the lamp is provided in the concave portion ,
The positioning portion of the recess is inclined at a gentler inclination angle than the inclination angle of the guide portion of the recess so that the interval between the positioning portions of the recess becomes narrower toward the back side of the recess, A lamp mounting structure in which the mounting portion of the lamp is pressed against the positioning portion of the concave portion with insertion . An auxiliary positioning portion that contacts the radial direction of the concave portion and determines the position of the lamp in the radial direction of the concave portion is provided in the concave portion,
The lamp mounting structure according to claim 1 , wherein the lamp mounting portion is pressed by the auxiliary positioning portion of the recess as the lamp is inserted into the recess.

Images