JP6791684B2 - Vehicle lighting - Google Patents

Description

The present invention relates to a technical field of a vehicle lamp having a lamp unit in which a first optical body and a second optical body are attached to a base body by co-fastening using mounting screws.

Some vehicle lamps include, for example, a lamp unit having a light source or the like arranged inside a lamp outer housing composed of a cover and a lamp housing.

Some such lamp units are provided with a base body, a first optical body, and a second optical body (see, for example, Patent Document 1). As a base body, for example, a heat sink on which a substrate is arranged is provided, and as a first optical body, for example, a lens holder for holding a projection lens that controls light emitted from a light source is provided, and a second optical body is provided. For example, a reflector that reflects the light emitted from the light source toward the projection lens is provided, and a light source such as a light emitting diode is mounted on the substrate.

In the above-mentioned vehicle lamps, heat generated from the light source or the substrate is released by the heat sink when the light is emitted from the light source, and a good lighting state of the light source is ensured.

Some vehicle lamps have a lens holder provided as a first optical body and a reflector provided as a second optical body attached to a heat sink provided as a base body by screwing. In such a vehicle lamp, the lens holder has a function of holding a projection lens that controls light, and a reflector has a function of reflecting light, in order to ensure the proper orientation of the optical axis. It is necessary to ensure high positional accuracy of the reflector and the lens holder with respect to the heat sink in which the light source is arranged via the substrate.

Japanese Unexamined Patent Publication No. 2014-229361

By the way, in a vehicle lamp in which a lens holder and a reflector are attached to a heat sink by screwing as described above, if the lens holder is attached to the heat sink by screwing and the reflector is attached to the heat sink by screwing separately, the heat sink is attached. It is necessary to carry out the mounting work twice, which reduces the workability related to the mounting work of each part.

Therefore, the vehicle lamp of the present invention overcomes the above-mentioned problems and improves workability related to the mounting work of each part in the lamp unit, and then positions the first optical body and the second optical body with respect to the base body. The purpose is to improve the accuracy.

First, in the vehicle lighting equipment according to the present invention, a lamp unit having a light source is arranged inside a lighting equipment outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing. The lamp unit is provided with a base body, a first optical body, and a second optical body, and the first optical body and the second optical body have mounting screws attached to the base body. The first optical body and the second optical body are attached to the base body by joint tightening using the mounting screws in a state where the screwed portions are overlapped with each other. The first optical body is provided with a crushing protrusion that is attached and crushed by a pressing force applied from the second optical body at the time of co-tightening, and the first optical body is provided with a crushing protrusion at the time of co-fastening. A contact portion that is pressed against the base body is provided, and the second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening . The second optical body is formed of a metal material, and the first optical body is formed of a resin material .

As a result, the first optical body and the second optical body are attached to the base body by co-tightening, and the crushing collision portion is crushed at the time of co-fastening, and the contact portion of the first optical body and the second optical body The contact part is pressed against the base body. Further, the rigidity of the second optical body tends to be higher than the rigidity of the first optical body.

Secondly, in the vehicle lighting equipment according to the present invention, a lamp unit having a light source is arranged inside a lighting equipment outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing. The lamp unit includes a base body, a first optical body, and a second optical body, and the first optical body and the second optical body have mounting screws on the base body. The first optical body and the second optical body are attached to the base body by joint tightening using the mounting screws in a state where the screwed portions are overlapped with each other. The first optical body is provided with a crushing protrusion that is attached and crushed by a pressing force applied from the second optical body at the time of co-tightening, and the first optical body is provided with a crushing protrusion at the time of co-fastening. A contact portion that is pressed against the base body is provided, and the second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening. At least two contact portions including a first contact portion and a second contact portion that are separated from each other in a predetermined direction are provided, and the contact portions are separated from each other in the same direction as the predetermined direction. At least two parts including the first contact part and the second contact part are provided .

As a result, the first optical body and the second optical body are attached to the base body by co-tightening, and the crushing collision portion is crushed at the time of co-fastening, and the contact portion of the first optical body and the second optical body The contact part is pressed against the base body. Further, the first optical body and the second optical body are pressed against the base body at two positions, respectively.

Third, in the vehicle lighting equipment according to the present invention, a lamp unit having a light source is arranged inside a lighting equipment outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing. The lamp unit includes a base body, a first optical body, and a second optical body, and the first optical body and the second optical body have mounting screws on the base body. The first optical body and the second optical body are attached to the base body by joint tightening using the mounting screws in a state where the screwed portions are overlapped with each other. The first optical body is provided with a crushing protrusion that is attached and crushed by a pressing force applied from the second optical body at the time of co-tightening, and the first optical body is provided with a crushing protrusion at the time of co-fastening. A contact portion that is pressed against the base body is provided, and the second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening . The contact portion 2 and the first contact portion are provided at the same position in the front-rear direction, and the first contact portion and the second contact portion sandwich the second contact portion in the front-rear direction. It is provided at the opposite position .

As a result, the first optical body and the second optical body are attached to the base body by co-tightening, and the crushing collision portion is crushed at the time of co-fastening, and the contact portion of the first optical body and the second optical body The contact part is pressed against the base body. In addition, a part of the positions that serve as reference for positioning the first optical body and the second optical body with respect to the base body are the same positions in the front-rear direction.

Fourth, in the vehicle lamp according to the present invention described above, a pair of the screwed portion of the first optical body and the screwed portion of the second optical body are provided separately on the left and right. Is desirable.

As a result, the first optical body and the second optical body are fixed by the mounting screws at the screwed portions and the screwed portions located apart from each other on the left and right sides.

Fifth, in the vehicle lighting equipment according to the present invention, a lamp unit having a light source is arranged inside a lighting equipment outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing. The lamp unit is provided with a base body, a first optical body, and a second optical body, and the first optical body and the second optical body have mounting screws attached to the base body. The first optical body and the second optical body are attached to the base body by joint tightening using the mounting screws in a state where the screwed portions are overlapped with each other. The first optical body is provided with a crushing protrusion that is attached and crushed by a pressing force applied from the second optical body at the time of co-tightening, and the first optical body is provided with a crushing protrusion at the time of co-fastening. A contact portion that is pressed against the base body is provided, and the second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening . Positioning holes are formed in each of the 1 optical body and the 2nd optical body, and the base body is inserted into the positioning holes of the 1st optical body and the positioning holes of the 2nd optical body. It is provided with a positioning pin .

As a result, the first optical body and the second optical body are attached to the base body by co-tightening, and the crushing collision portion is crushed at the time of co-fastening, and the contact portion of the first optical body and the second optical body The contact part is pressed against the base body. Further, a common positioning pin inserted into the positioning hole of the first optical body and the positioning hole of the second optical body is provided on the base body.

According to the present invention, the first optical body and the second optical body are attached to the base body by co-tightening, and the crushing collision portion is crushed at the time of co-fastening, and the contact portion and the second optical body of the first optical body are crushed. Since the contact portion of the optical body is pressed against the base body, the workability of mounting each part in the lamp unit is improved, and the positional accuracy of the first optical body and the second optical body with respect to the base body is improved. Can be planned.

2 to 8 show an embodiment of the present invention, and this figure is a vertical cross-sectional view of a vehicle lamp. It is a perspective view of a lamp unit. It is an exploded perspective view of a lamp unit. Along with FIGS. 5 to 7, the procedure when the lens holder and the reflector are attached to the heat sink is shown, and this figure is a side view showing a part of the state before the lens holder and the reflector are attached to the heat sink with a cross section. Is. It is a side view which shows the lens holder and the reflector attached to the heat sink, and a part of the cross section before screwing a mounting screw. It is a side view which shows the lens holder and the reflector attached to the heat sink, and the part is shown in the cross section in the state of screwing the mounting screw. It is a side view which shows the state which the lens holder and the reflector are attached to the heat sink with a part in cross section. It is a side view which shows the example in which the pressing protrusion part was provided in the lens holder with a part in cross section.

Hereinafter, a mode for carrying out the vehicle lamp of the present invention will be described with reference to the accompanying drawings.

In the embodiment shown below, the vehicle lighting equipment of the present invention is applied to a vehicle headlight (headlamp). The scope of application of the present invention is not limited to head lamps, and clearance lamps, tail lamps, turn signal lamps, stop lamps, daytime running lamps, cornering lamps, hazard lamps, position lamps, back lamps, fog lamps, etc., or these. It can be widely applied to various vehicle lamps such as combination lamps which are a combination of the above.

The vehicle lamps 1 are attached and arranged at both left and right ends of the front end of the vehicle body, respectively.

The vehicle lamp 1 includes a lamp housing 2 having an opening at the front end and a cover 3 that closes the opening of the lamp housing 2 (see FIG. 1). The lamp housing 2 and the cover 3 form a lamp outer housing 4, and the internal space of the lamp outer housing 4 is formed as a lamp chamber 5.

An insertion hole 2a is formed at the rear end of the lamp housing 2, and the insertion hole 2a is closed by the back cover 6.

A lamp unit 7 is arranged in the lamp chamber 5. The lamp unit 7 has a heat sink 8, a lens holder 9, and a reflector 10 (see FIGS. 1 to 3). The heat sink 8 functions as a base body, the lens holder 9 functions as a first optical body, and the reflector 10 functions as a second optical body.

The heat sink 8 and the reflector 10 are made of a metal material such as aluminum, and the lens holder 9 is made of a resin material such as polycarbonate. Therefore, the rigidity of the heat sink 8 and the reflector 10 is higher than the rigidity of the lens holder 9.

The heat sink 8 has a plate-shaped base surface portion 11 facing in the vertical direction and fin portions 12, 12, ... Protruding downward from the base surface portion 11.

The front end portion of the base surface portion 11 is provided with receiving protrusions 13 and 13 protruding upward at both left and right end portions on the upper surface, respectively. The upper surface of the receiving protrusion 13 is formed as a first receiving surface 13a.

Screw-fastened bosses 14 and 14 projecting upward are provided on the left and right ends of the upper surface of the base surface portion 11, respectively. The screwing bosses 14 and 14 are located behind the receiving protrusions 13 and 13, respectively, and have fastening holes 14a and 14a opened upward.

The screwing boss 14 has an annular large diameter portion 15 located on the lower side and a cylindrical small diameter portion 16 located on the upper side and having a diameter smaller than that of the large diameter portion 15, and is a central axis of the large diameter portion 15. It coincides with the central axis of the small diameter portion 16. The upper surface of the large diameter portion 15 is formed as a second receiving surface 15a. The upper surface of the small diameter portion 16 is formed as a first support surface 16a.

The base surface portion 11 is provided with positioning pins 17 and 17 projecting upward at positions between the receiving protrusions 13 and 13 and the screwing bosses 14 and 14, respectively.

A support base portion 18 projecting upward is provided on the upper surface of the base surface portion 11. The support base portion 18 is provided at the rear end portion of the base surface portion 11 and is located at the central portion in the left-right direction. The upper surface of the support base portion 18 is formed as a second support surface 18a.

The substrate 19 is arranged on the upper surface of the base surface portion 11. The substrate 19 is located on the front side of the support base portion 18, and the light source 20 is mounted on the substrate 19. As the light source 20, for example, a semiconductor light source such as a light emitting diode (LED) or a laser diode (LD) is used.

The lens holder 9 has a plate-shaped mounted surface portion 21 facing in the vertical direction and a holding portion 22 continuous with the front end portion of the mounted surface portion 21.

Light passing holes 21a penetrated vertically are formed in the mounted surface portion 21. A protrusion insertion hole 21b penetrated vertically is formed in the mounted surface portion 21. The protrusion insertion hole 21b is formed at the rear end portion of the mounted surface portion 21 and is located at the central portion in the left-right direction.

First contact portions 23, 23 protruding downward are provided at both left and right ends of the mounted surface portion 21, respectively. The lower surface of the first contact portion 23 is formed as the first contact surface 23a. On the upper side of the first contact portions 23, 23, first crushing protrusions 24, 24 protruding upward are provided, respectively. The first crushing protrusion 24 is formed, for example, in a triangular columnar shape in which the width on the left and right decreases toward the top.

Screwed portions 25 and 25 are provided at both left and right ends of the mounted surface portion 21, respectively. The screwed portions 25 and 25 are located behind the first abutting portions 23 and 23, respectively, and have insertion holes 25a and 25a penetrated vertically.

The screwed portion 25 includes a base surface portion 26 projecting sideways, second crushing protrusions 27, 27, ... Protruding upward from the base surface portion 26, and a second protruding portion downward from the base surface portion 26. It has a contact portion 28.

The second crushing protrusions 27, 27, ... Are formed in a triangular columnar shape whose width decreases toward the top, and are provided side by side in the circumferential direction, for example.

The second contact portion 28 is formed in an annular shape, and the lower surface is formed as the second contact surface 28a.

Positioning holes 29, 29 that are vertically penetrated are formed in the mounted surface portion 21 at positions between the first contact portions 23, 23 and the screwed portions 25, 25, respectively.

The holding portion 22 is formed in a substantially annular shape penetrating back and forth. A projection lens 30 is attached to the holding portion 22 and held.

The reflector 10 has a curved reflecting portion 31 that is opened downward and forward, and projecting surface portions 32 and 32 that project laterally from both left and right end portions of the reflecting portion 31 in opposite directions.

The reflecting portion 31 is formed, for example, in a parabolic shape, and the inner surface is formed as a reflecting surface 31a.

The protruding surface portion 32 projects laterally from the front end portion of the reflecting portion 31. Pressing portions 33 and 33 projecting downward are provided at positions near the front ends of the protruding surface portions 32 and 32, respectively.

The protruding surface portions 32 and 32 are provided as screwed portions 34 and 34, respectively. The screw fixing portion 34 has a screw insertion hole 34a penetrated vertically. The lower end of the screwed portion 34 is provided as a first contact portion 35 formed in an annular shape. The lower surface of the first contact portion 35 is formed as the first contact surface 35a.

Positioning holes 36, 36 that are vertically penetrated are formed in the protruding surface portions 32, 32 at positions between the pressing portions 33, 33 and the screwing portions 34, 34, respectively.

The reflector 10 is provided with a protruding portion 37 protruding from the rear end portion of the reflecting portion 31. The protruding portion 37 is composed of a connecting portion 38 projecting rearward from the rear end portion of the reflecting portion 31 and a second contact portion 39 projecting downward from the rear end portion of the connecting portion 38. The tip surface of the second contact portion 39 is formed as the second contact surface 39a. The second contact surface 39a is formed, for example, in a downwardly convex curved surface shape. The second contact surface 39a may be formed in a flat shape facing downward.

In the vehicle lamp 1 configured as described above, the light emitted from the light source 20 passes through the light passage hole 21a of the lens holder 9 and is reflected by the reflection surface 31a of the reflector 10 to be parallel light by the projection lens 30. It is irradiated forward through the cover 3.

The work of attaching the lens holder 9 and the reflector 10 to the heat sink 8 in the lamp unit 7 will be described below (see FIGS. 4 to 7).

The lens holder 9 and the reflector 10 are attached to the heat sink 8 by joint tightening using the mounting screws 100 and 100, and the mounting screws 100 and 100 are fastened holes 14a formed in the screwing bosses 14 and 14 of the heat sink 8, respectively. , 14a is screwed into. Therefore, the mounting work by jointly tightening the lens holder 9 and the reflector 10 to the heat sink 8 is performed as the same work on both the left and right sides of the lamp unit 7, but the mounting work by joint tightening shown below will be described only for one of the left and right sides. To do. The mounting screw 100 is, for example, a tapping screw.

First, the lens holder 9 is positioned above the heat sink 8, and the reflector 10 is positioned above the lens holder 9 (see FIG. 4).

Next, the lens holder 9 is assembled to the heat sink 8 from above, and the reflector 10 is assembled to the heat sink 8 and the lens holder 9 from above (see FIG. 5).

When the lens holder 9 is assembled to the heat sink 8, the positioning pins 17 and 17 of the heat sink 8 are inserted into the positioning holes 29 and 29 of the lens holder 9, respectively, and the lens holder 9 is positioned in the front-rear direction and the left-right direction with respect to the heat sink 8. It is said.

In the state where the lens holder 9 is assembled to the heat sink 8, the small diameter portions 16 and 16 of the heat sink 8 are inserted into the insertion holes 25a and 25a formed in the screwed portions 25 and 25 of the lens holder 9, respectively, and the heat sink 8 is inserted. The first contact portions 23 and 23 of the lens holder 9 are located directly above the receiving protrusions 13 and 13, respectively, and the second contact portion of the lens holder 9 is directly above the large diameter portions 15 and 15 of the heat sink 8, respectively. The contact portions 28, 28 are located.

Further, when the reflector 10 is assembled to the heat sink 8 and the lens holder 9, the positioning pins 17 and 17 of the heat sink 8 are inserted into the positioning holes 36 and 36 of the reflector 10, respectively, in the front-rear direction and the left-right direction of the reflector 10 with respect to the heat sink 8. Positioning is done.

In a state where the reflector 10 is assembled to the heat sink 8 and the lens holder 9, the second contact portion 39 of the reflector 10 is inserted into the protrusion insertion hole 21b of the lens holder 9 from above, and the first crushing of the lens holder 9 is performed. The pressing portions 33 and 33 of the reflector 10 are located directly above the protrusions 24 and 24, respectively, and the first of the reflector 10 is directly above the second crushing protrusions 27, 27, ... Of the lens holder 9, respectively. The contact portions 35, 35 are positioned, and the second contact portion 39 of the reflector 10 is positioned directly above the support base portion 18 of the heat sink 8. At this time, the screwed portions 25, 25 of the lens holder 9 and the screwed portions 34, 34 of the reflector 10 are vertically overlapped with each other.

In the state where the reflector 10 is assembled to the lens holder 9 in this way, the screwing portions 25, 25 of the lens holder 9 and the screwing portions 34, 34 of the reflector 10 are vertically overlapped with each other, so that the mounting screws 100, 100 It is made possible to tighten the lenses together.

As described above, in the vehicle lamp 1, the lens holder 9 and the reflector 10 are provided with positioning holes 29 and 36, respectively, and the heat sink 8 is provided with positioning pins 17 to be inserted into the positioning holes 29 and 36. ing.

Therefore, since the heat sink 8 is provided with a common positioning pin 17 inserted into the positioning hole 29 of the lens holder 9 and the positioning hole 36 of the reflector 10, the structure of the lamp unit 7 can be simplified.

Next, the mounting screw 100 is inserted into the screw insertion hole 34a of the reflector 10, and the mounting screw 100 is screwed into the fastening hole 14a formed in the screw fixing boss 14 of the heat sink 8 (see FIG. 6).

When the mounting screw 100 is screwed into the fastening hole 14a, the reflector 10 has a higher rigidity than the lens holder 9, so that the first crushing protrusion 24 of the lens holder 9 is pressed and pushed by the pressing portion 33 of the reflector 10. The lens holder 9 is crushed, and the second crushing protrusions 27, 27, ... Of the lens holder 9 are pressed and crushed by the first contact portion 35 of the reflector 10. When the first crushing protrusion 24 and the second crushing protrusions 27, 27, ... Are pressed and crushed by the pressing force from the reflector 10, a downward force is applied to the lens holder 9. , The first contact surface 23a of the first contact portion 23 is pressed against the first receiving surface 13a of the receiving protrusion 13 in the heat sink 8 and the second contact surface 28a of the second contact portion 28. Is pressed against the second receiving surface 15a of the large diameter portion 15 of the heat sink 8.

In this way, the first contact surface 23a is pressed against the first receiving surface 13a and the second contact surface 28a is pressed against the second receiving surface 15a, so that the lens holder 9 is pressed in the vertical direction with respect to the heat sink 8. Positioning is performed in. Therefore, the lens holder 9 is not tilted with respect to the heat sink 8 and is maintained in a horizontal state with respect to the heat sink 8.

Further, when the mounting screw 100 is screwed into the fastening hole 14a, a downward force is also applied to the reflector 10, and the second contact surface 39a of the second contact portion 39 is the support base portion 18. It is pressed against the second support surface 18a.

When the mounting screw 100 is further screwed into the fastening hole 14a, the first crushing protrusion 24 of the lens holder 9 is further pressed and crushed by the pressing portion 33 of the reflector 10, and the lens holder 9 is crushed. The crushed protrusions 27, 27, ... Of No. 2 are further pressed and crushed by the first contact portion 35 of the reflector 10. When the first crushing protrusion 24 and the second crushing protrusions 27, 27, ... Are further pressed and crushed, the contact points between the second contact surface 39a and the second support surface 18a are reached. As a reference, the reflector 10 is displaced downward, and the first contact surface 35a of the first contact portion 35 of the reflector 10 is pressed against the first support surface 16a of the small diameter portion 16 of the heat sink 8.

As described above, the first contact surface 35a is pressed against the first support surface 16a and the second contact surface 39a is pressed against the second support surface 18a, whereby the reflector 10 is positioned in the vertical direction with respect to the heat sink 8. Is done. Therefore, the reflector 10 is not tilted with respect to the heat sink 8 and is kept horizontal with respect to the heat sink 8.

As described above, in the vehicle lamp 1, the lens holder 9 and the reflector 10 are attached to the heat sink 8 by co-tightening with the mounting screws 100 in a state where the screwed portion 25 and the screwed portion 34 are overlapped. At the time of joint tightening, the first crushing protrusion 24 and the second crushing protrusions 27, 27, ... Are crushed, and the lens holder 9 and the reflector 10 are pressed against the heat sink 8.

Therefore, the lens holder 9 and the reflector 10 are attached to the heat sink 8 by co-tightening, and at the time of co-fastening, the first crushing protrusion 24 and the second crushing bumps 27, 27, ... Are crushed together with the lens holder 9. Since the reflector 10 is pressed against the heat sink 8, it is possible to improve the workability of mounting each part of the lamp unit 7 and to improve the positional accuracy of the lens holder 9 and the reflector 10 with respect to the heat sink 8.

Further, the reflector 10 that functions as the second optical body is formed of a metal material, and the lens holder 9 that functions as the first optical body 9 is formed of a resin material.

Therefore, since the rigidity of the reflector 10 is likely to be higher than the rigidity of the lens holder 9, the first crushing protrusion 24 and the second crushing protrusion 27 provided on the lens holder 9 are easily crushed by the reflector 10. It is possible to further improve the workability related to the mounting of each part in the lamp unit 7.

Further, the lens holder 9 is provided with a first contact portion 23 and a second contact portion 28 that are separated from each other in a predetermined direction (front-back direction), and the reflector 10 is separated from each other in the same predetermined direction. A first contact portion 35 and a second contact portion 39 are provided.

Therefore, the lens holder 9 and the reflector 10 are pressed against the heat sink 8 at two positions, respectively, and high positional accuracy of the lens holder 9 and the reflector 10 with respect to the heat sink 8 can be ensured.

The lens holder 9 and the reflector 10 may be provided with three or more contact portions and contact portions, respectively.

Furthermore, the second contact portion 28 of the lens holder 9 and the first contact portion 35 of the reflector 10 are provided at the same positions in the front-rear direction, and the first contact portion 23 of the lens holder 9 and the reflector 10 are provided. The second contact portion 39 and the second contact portion 39 are provided at opposite positions in the front-rear direction with the second contact portion 28 interposed therebetween.

Therefore, since a part of the position that serves as a reference for positioning the lens holder 9 and the reflector 10 with respect to the heat sink 8 becomes the same position in the front-rear direction, the heat sink 8 of the lens holder 9 and the reflector 10 can be miniaturized in the front-rear direction. High position accuracy can be ensured.

Further, a pair of screwed portions 25, 25 of the lens holder 9 and screwed portions 34, 34 of the reflector 10 are provided so as to be separated from each other on the left and right sides.

Therefore, the lens holder 9 and the reflector 10 are fixed to the left and right by the mounting screws 100 and 100 at the screwed portions 25 and 25 and the screwed portions 34 and 34 that are separated from each other to the left and right, and the reflector 10 is left and right with respect to the heat sink 8. The lens holder 9 and the reflector 10 are maintained in a horizontal state with respect to the heat sink 8 without being tilted, and the positional accuracy of the lens holder 9 and the reflector 10 in the left-right direction can be improved.

Although the first crushing collision portion 24 and the second crushing protrusion portion 27 both have a shape of protruding upward on the upper surface side of the base surface portion 11, the first crushing collision portion 24 has been shown above. The portion 24 and the second crushing protrusion portion 27 may be formed in a shape protruding downward on the lower surface side of the base surface portion 11. In this case, the first crushing collision portion 24 and the second crushing collision portion 27 are pressed against each part of the heat sink 8 and crushed by the pressing force applied from the reflector 10 at the time of joint tightening.

Further, the first crushing protrusion 24 and the second crushing protrusion 27 may be formed in a shape in which one is projected upward and the other is projected downward.

Further, in the above, an example in which two crushing protrusions of the first crushing protrusion 24 and the second crushing collision portion 27 are provided is shown, but the first crushing collision portion 24 or the second crushing collision portion 24 or the second crushing collision portion is provided. Only one of the portions 27 may be provided, or three or more crushing protrusions may be provided.

In order to prevent the lens holder 9 from tilting with respect to the heat sink 8, a pressing protrusion 22a may be provided on the holding portion 22 of the lens holder 9 (see FIG. 8). The pressing protrusion 22a is formed in a shape protruding rearward at the lower end of the holding portion 22, and the rear surface is pressed against the front surface of the heat sink 8.

By pressing the pressing protrusion 22a against the heat sink 8 in this way, the holding portion 22 is not tilted forward, and the lens holder 9 can be prevented from tilting with respect to the heat sink 8. In particular, since the projection lens 30 held by the holding portion 22 is a heavy member and the holding portion 22 is easily tilted downward, providing the pressing protrusion 22a on the holding portion 22 causes the projection lens 30 to tilt. It is particularly effective from the viewpoint of preventing the optical axis from collapsing.

In the above, an example in which the heat sink 8 is applied as the base body, the lens holder 9 is applied as the first optical body, and the reflector 10 is applied as the second optical body is shown, but the base body and the first optical body are shown. The optical body and the second optical body are not limited to the heat sink 8, the lens holder 9, and the reflector 10, respectively, and the base body, the first optical body, and the second optical body are other components used in the lamp unit. It may be. For example, the base body, the first optical body, and the second optical body include brackets, placement bases for arranging each part, light source units, shades, extensions, light guide bodies, inner lenses, and other various components. It is possible to apply.

Further, in the above, the lens holder 9 is provided with two contact portions, a first contact portion 23 and a second contact portion 28, and the reflector 10 is provided with the first contact portion 35 and the second contact portion 39. Although the example in which the two contact portions are provided is shown, three or more contact portions and contact portions may be provided.

1 ... Vehicle lighting, 2 ... Lamp housing, 3 ... Cover, 4 ... Lamp outer housing, 7 ... Lamp unit, 8 ... Heat source (base body), 9 ... Lens holder (first optical body), 10 ... Reflector ( 2nd optical body), 17 ... positioning pin, 20 ... light source, 23 ... first contact portion, 24 ... first crushing protrusion, 25 ... screwing portion, 27 ... second crushing protrusion, 28 ... second contact portion, 29 ... positioning hole, 34 ... screwed portion, 35 ... first contact portion, 36 ... positioning hole, 39 ... second contact portion, 100 ... mounting screw

Claims (5)

A lamp fixture for a vehicle in which a lamp unit having a light source is arranged inside a lamp housing outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing.
The lamp unit includes a base body, a first optical body, and a second optical body.
The first optical body and the second optical body are each provided with screw fixing portions fixed to the base body by mounting screws.
The first optical body and the second optical body are attached to the base body by co-tightening with the mounting screws in a state where the screwed portions are overlapped with each other.
The first optical body is provided with a crushing collision portion that is crushed by a pressing force applied from the second optical body at the time of joint tightening.
The first optical body is provided with a contact portion that is pressed against the base body at the time of joint tightening.
The second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening .
The second optical body is formed of a metal material and
A vehicle lamp in which the first optical body is made of a resin material . A lamp fixture for a vehicle in which a lamp unit having a light source is arranged inside a lamp housing outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing.
The lamp unit includes a base body, a first optical body, and a second optical body.
The first optical body and the second optical body are each provided with screw fixing portions fixed to the base body by mounting screws.
The first optical body and the second optical body are attached to the base body by co-tightening with the mounting screws in a state where the screwed portions are overlapped with each other.
The first optical body is provided with a crushing collision portion that is crushed by a pressing force applied from the second optical body at the time of joint tightening.
The first optical body is provided with a contact portion that is pressed against the base body at the time of joint tightening.
The second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening .
At least two abutting portions including a first abutting portion and a second abutting portion located apart from each other in a predetermined direction are provided.
The contact portion is a vehicle lamp provided with at least two including a first contact portion and a second contact portion located apart from each other in the same direction as the predetermined direction . The second contact portion and the first contact portion are provided at the same position in the front-rear direction.
The first contact portion and the second contact portion are provided at opposite positions in the front-rear direction with the second contact portion interposed therebetween.
The vehicle lamp according to claim 2 . A pair of the screwed portion of the first optical body and the screwed portion of the second optical body are provided so as to be separated from each other on the left and right sides.
The vehicle lamp according to claim 1, claim 2 or claim 3 . A lamp fixture for a vehicle in which a lamp unit having a light source is arranged inside a lamp housing outer casing composed of a lamp housing having an opening on at least one side and a cover covering the opening of the lamp housing.
The lamp unit includes a base body, a first optical body, and a second optical body.
The first optical body and the second optical body are each provided with screw fixing portions fixed to the base body by mounting screws.
The first optical body and the second optical body are attached to the base body by co-tightening with the mounting screws in a state where the screwed portions are overlapped with each other.
The first optical body is provided with a crushing collision portion that is crushed by a pressing force applied from the second optical body at the time of joint tightening.
The first optical body is provided with a contact portion that is pressed against the base body at the time of joint tightening.
The second optical body is provided with a contact portion that is pressed against the base body in a state where the crushed collision portion is crushed at the time of co-tightening .
Positioning holes are formed in the first optical body and the second optical body, respectively.
A vehicle lamp provided with a positioning pin inserted into the positioning hole of the first optical body and the positioning hole of the second optical body on the base body .

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