CN209876805U - Car light optical element assembly, car light and car - Google Patents

Abstract

The utility model relates to a vehicle lighting technology field especially relates to a car light optical element assembly, including the car light of this car light optical element assembly and including the car of this car light, this car light optical element assembly includes primary optical element subassembly and secondary optical element subassembly, primary optical element subassembly includes primary optical element and supports primary optical element's first support, secondary optical element subassembly includes secondary optical element and supports secondary optical element's second support, first support is connected with the cooperation of second support, makes primary optical element and secondary optical element relatively fixed. The primary optical element and the secondary optical element are assembled into an integral structure, so that the relative positions of the primary optical element and the secondary optical element are directly determined, the direct positioning between the primary optical element and the secondary optical element is realized, the positioning precision and the installation reliability of the primary optical element and the secondary optical element can be ensured, and the accuracy and the functional stability of the light shape of the car lamp are ensured.

Description

Car light optical element assembly, car light and car

Technical Field

The utility model relates to a vehicle lighting technology field especially relates to a car light optical element assembly, including the car light of this car light optical element assembly and including the car of this car light.

Background

The optical element system of a vehicle lamp is an important component of a vehicle lamp. In general, an optical element system for a vehicle lamp includes a primary optical element assembly including a primary optical element such as a condenser and a secondary optical element assembly including a secondary optical element such as a lens. The positioning precision and the installation reliability between the primary optical element assembly and the secondary optical element assembly have great influence on the precision of the light shape of the vehicle lamp, and the reliable positioning and installation can ensure the accuracy and the functional stability of the light shape of the vehicle lamp.

In the prior art, the primary optical element assembly and the secondary optical element assembly are positioned and mounted by respectively fixing the primary optical element assembly and the secondary optical element assembly on a radiator to indirectly determine the relative positions of the primary optical element assembly and the secondary optical element assembly, and the indirect positioning mounting mode not only leads the structure of an optical element system to be complex and the mounting steps to be complicated, but also has larger mounting errors, and can not realize the accurate positioning between the primary optical element assembly and the secondary optical element assembly, thereby influencing the accuracy and the functional stability of the light shape of the car lamp.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a car light optical element assembly that positioning accuracy is high, the installation reliability is good to overcome prior art's above-mentioned defect.

In order to solve the technical problem, the utility model discloses a following technical scheme: a vehicle lamp optical element assembly comprises a primary optical element assembly and a secondary optical element assembly, wherein the primary optical element assembly comprises a primary optical element and a first support supporting the primary optical element, the secondary optical element assembly comprises a secondary optical element and a second support supporting the secondary optical element, and the first support and the second support are in fit connection so that the primary optical element and the secondary optical element are fixed relatively.

Preferably, the first bracket includes a supporting frame and a limiting member, the limiting member is fixedly disposed on the primary optical element, the supporting frame is provided with a limiting groove, and the limiting member is connected with the limiting groove in a matching manner and is relatively fixed to the supporting frame.

Preferably, the limiting part is provided with a first positioning hole, and a first positioning pin which is in inserting fit with the first positioning hole is arranged in the limiting groove.

Preferably, the second support is provided with a slot, the first support is in inserted connection with the slot, and the first support is provided with a positioning surface which is contacted with the surface of the inner side of the slot.

Preferably, secondary optical element locates the front end of second support, and the slot link up the rear end face of second support and extends forward after following, and the locating surface of first support contacts with the inboard front surface of slot including the preceding locating surface that is located first support preceding terminal surface, the last locating surface that is located first support upper surface and the lower locating surface that is located first support lower surface, preceding locating surface, goes up the upper surface of locating surface and slot inboard and contacts, and lower locating surface contacts with the inboard lower surface of slot.

Preferably, the slot runs through the second bracket along the left-right direction, the left side and the right side of the first bracket are respectively provided with a clamping part, and the inner side surfaces opposite to the two clamping parts are respectively contacted with the left side surface and the right side surface of the second bracket.

Preferably, the rear end of the first bracket has a rear positioning surface for abutting against the surface of the circuit board, and the rear end surface of the second bracket is provided with a protruding portion for abutting against the surface of the circuit board.

Preferably, the rear end of the first bracket extends to form a second positioning pin for being in plug-in fit with a second positioning hole in the circuit board.

The utility model also provides a car light, include as above car light optical element assembly.

The utility model also provides an automobile, include as above the car light.

Compared with the prior art, the utility model discloses the progress that has showing:

the utility model discloses a car light optical element assembly, including the car light of this car light optical element assembly and including the car of this car light, be connected through the cooperation of first support with the second support, assemble into an integrated structure with primary optical element and secondary optical element and directly confirmed relative position between them, realized the direct positioning between primary optical element and the secondary optical element. Will the utility model discloses a when car light optical element assembly installs on circuit board and radiator, because there is fixed assembly positioning relation between primary optical element and the secondary optical element, can not make and produce positioning error between the two because of the assembly with circuit board and radiator, consequently can guarantee that primary optical element and secondary optical element's positioning accuracy and installation lean on the nature to guarantee the accuracy and the functional stability of car light shape.

Drawings

Fig. 1 is a schematic perspective view of a vehicle lamp optical element assembly according to an embodiment of the present invention.

Fig. 2 is a schematic side view of a vehicle lamp optical element assembly according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of an assembly process of a vehicle lamp optical element assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a primary optical element assembly in a vehicle lamp optical element assembly according to an embodiment of the present invention from an angle.

Fig. 5 is a schematic structural diagram of the primary optical element assembly in the optical element assembly for a vehicle lamp according to another aspect of the present invention.

Fig. 6 is a schematic structural diagram of a support frame in a vehicle lamp optical element assembly according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the primary optical element and the limiting member in the optical element assembly of the vehicle lamp according to the embodiment of the present invention from an angle.

Fig. 8 is a schematic structural diagram of the primary optical element and the limiting member in the optical element assembly of the vehicle lamp according to the embodiment of the present invention viewed from another angle.

Fig. 9 is a schematic structural diagram of a secondary optical element assembly in a vehicle lamp optical element assembly according to an embodiment of the present invention from an angle.

Fig. 10 is a schematic structural diagram of a secondary optical element assembly in a vehicle lamp optical element assembly according to an embodiment of the present invention from another angle.

Fig. 11 is a schematic perspective view of the optical element assembly of the vehicle lamp mounted on the circuit board and the heat sink according to the embodiment of the present invention.

Fig. 12 is an exploded schematic view of fig. 11.

Fig. 13 is a schematic structural view of the wiring board and the heat sink shown in fig. 11.

Wherein the reference numerals are as follows:

1. primary optical element assembly 11, primary optical element

12. First support 121 and support frame

121a, a front end surface 121b of the support frame, and a lower surface of the support frame

121c, rear end face 122 of the support frame, and a stopper

122a, a lower surface 122b of the limiting member, and an upper surface of the limiting member

123. Limiting groove 123a, bottom surface of limiting groove

124. First positioning hole 125 and first positioning pin

126. Engaging part 126a, inner side surface of engaging part

127. Second positioning pin 2, secondary optical element assembly

21. Secondary optical element 22, second mount

22a, a rear end face 22b of the second bracket, and a left side face of the second bracket

22c, right side 221 of the second bracket, slot

221a, front surface of inner side of slot 221b, upper surface of inner side of slot

221c, lower surface 222 at inner side of slot, and through slot

223. Projection 224, first threaded hole

3. Circuit board 3a, surface of circuit board

31. Second positioning hole 32, positioning groove

33. Second screw hole 4, radiator

41. Positioning bulge 5 and threaded connecting piece

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 13, the present invention relates to an embodiment of a vehicle lamp optical element assembly.

Referring to fig. 1 to 3, the optical element assembly for a vehicle lamp of the present embodiment includes a primary optical element unit 1 and a secondary optical element unit 2. The primary optical element assembly 1 includes a primary optical element 11 and a first holder 12, the first holder 12 supporting the primary optical element 11. The secondary optical element assembly 2 includes a secondary optical element 21 and a second support 22, the second support 22 supporting the secondary optical element 21. The first support 12 is connected to the second support 22 in a fitting manner, so that the primary optical element 11 and the secondary optical element 21 are fixed relative to each other. Thus, by the mating connection of the first bracket 12 and the second bracket 22, the primary optical element 11 and the secondary optical element 21 are assembled into a unitary structure to directly determine the relative positions of the two, and direct positioning between the primary optical element 11 and the secondary optical element 21 is achieved. Referring to fig. 11 and 12, when the optical element assembly for a vehicle lamp of the present embodiment is mounted on the circuit board 3 and the heat sink 4, since the primary optical element 11 and the secondary optical element 21 have a fixed assembly positioning relationship, no positioning error is generated between the primary optical element 11 and the secondary optical element 21 due to the assembly with the circuit board 3 and the heat sink 4, so that the positioning accuracy and the mounting reliability of the primary optical element 11 and the secondary optical element 21 can be ensured, and the accuracy and the functional stability of the light shape of the vehicle lamp can be ensured.

When the vehicle lamp optical element assembly of the embodiment is installed on the circuit board 3, the primary optical element 11 is located between the circuit board 3 and the secondary optical element 21, and light rays emitted by the light source on the circuit board 3 sequentially pass through the primary optical element 11 and the secondary optical element 21 and then are emitted out, so that a vehicle lamp illumination light shape is formed. Herein, for convenience of description, the arrangement direction of the wiring board 3, the primary optical element 11, and the secondary optical element 21 is defined as from back to front, that is, the wiring board 3 is located behind the primary optical element 11, the secondary optical element 21 is located in front of the primary optical element 11, the left-right direction is perpendicular to the front-back direction in the horizontal plane, and the up-down direction is perpendicular to the front-back direction in the vertical plane.

Referring to fig. 4 to 8, in the present embodiment, preferably, the first bracket 12 in the primary optical element assembly 1 includes a supporting frame 121 and a limiting member 122, the limiting member 122 is fixedly disposed on the primary optical element 11, the supporting frame 121 is provided with a limiting groove 123, the limiting member 122 is connected with the limiting groove 123 in a matching manner, and the limiting member 122 and the supporting frame 121 are relatively fixed. Thus, the primary optical element 11 and the supporting frame 121 are relatively fixed through the matching connection of the limiting member 122 and the supporting frame 121, and the primary optical element 11 is positioned and supported on the first bracket 12, that is, the limiting member 122 and the supporting frame 121 are assembled together to form the first bracket 12 supporting the primary optical element 11. In a preferred embodiment, the upper surface of the supporting frame 121 is partially sunk to form the limiting groove 123, such that the bottom surface 123a of the limiting groove 123 faces upward and is a horizontal plane, the lower surface 122a of the limiting member 122 is a horizontal plane, the limiting member 122 is disposed in the limiting groove 123, and the lower surface 122a of the limiting member 122 is in contact fit with the bottom surface 123a of the limiting groove 123.

In order to increase the accuracy of the assembling and positioning between the limiting member 122 and the supporting frame 121, preferably, the limiting member 122 is provided with a first positioning hole 124, the limiting groove 123 is provided with a first positioning pin 125, and the first positioning pin 125 is inserted into and matched with the first positioning hole 124. When the limiting member 122 is mounted on the supporting frame 121, the first positioning pin 125 is inserted into the first positioning hole 124, so that the relative position between the limiting member 122 and the supporting frame 121 can be limited, and the limiting member 122 can be accurately positioned, thereby accurately positioning the primary optical element 11 and the first supporting frame 12.

Further, in order to ensure the reliability of positioning and installation between the primary optical element 11 and the first support 12, preferably, two limiting members 122 may be provided, the two limiting members 122 are respectively and oppositely disposed on the left and right sides of the primary optical element 11, the support frame 121 is provided with two limiting grooves 123 respectively connected with the two limiting members 122 in a matching manner, the two limiting grooves 123 are respectively disposed on the left and right sides of the support frame 121, and the two limiting grooves 123 are both provided with first positioning pins 125 therein, which are respectively in plugging and matching with the first positioning holes 124 on the two limiting members 122. Therefore, the primary optical element 11 is supported and positioned on the supporting frame 121 through the left and right two limiting members 122, and the two limiting members 122 are respectively positioned with the supporting frame 121 through the insertion and engagement of the first positioning hole 124 and the first positioning pin 125, so that the positioning accuracy and the installation reliability between the primary optical element 11 and the first bracket 12 can be effectively increased.

Further, for convenience of assembly and prevention of over-positioning, preferably, the first positioning hole 124 on one of the two limiting members 122 is a circular hole, and the first positioning hole 124 on the other limiting member 122 is a kidney-shaped hole, the cross-sectional shapes of the first positioning pins 125 in the two limiting grooves 123 are both circular, one first positioning pin 125 is inserted into the first positioning hole 124 which is the circular hole, and the other first positioning pin 125 is inserted into the first positioning hole 124 which is the kidney-shaped hole. Through the matching and inserting of the first positioning pin 125 and the first positioning hole 124 which is a kidney-shaped hole, the processing error of the limiting member 122 and the supporting frame 121 can be compensated, so that the assembly of the two is easier.

In the present embodiment, the secondary optical element 21 and the second support 22 in the secondary optical element assembly 2 may be an integral piece.

Referring to fig. 1, 2, 9 and 10, in the present embodiment, it is preferable that the second holder 22 in the secondary optical element assembly 2 is provided with an insertion groove 221, the first holder 12 is in insertion fit with the insertion groove 221, and the first holder 12 has a positioning surface contacting with a surface inside the insertion groove 221. Through the contact cooperation of the locating surface of first support 12 and the inside surface of slot 221, can inject the relative position of first support 12 and second support 22 for first support 12 is relatively fixed with second support 22, realizes the positioning of first support 12 with the assembly between the second support 22, has simple to operate, fixes a position reliable advantage.

In this embodiment, the limiting members 122 are respectively disposed on the left and right sides of the primary optical element 21 in the primary optical element assembly 1, the slots 221 are respectively disposed on the left and right sides of the second bracket 22, and an assembly space for the primary optical element assembly 1 to be inserted is provided between the two slots 221. After the two limiting members 122 are respectively assembled in the corresponding limiting grooves 123 on the supporting frame 121, the two limiting members and the supporting frame 121 form a whole and are inserted into the corresponding slots 221, so that the first bracket 12 and the second bracket 22 are assembled, and the primary optical element 11 is located in an assembly space between the two slots 221.

To facilitate the assembly of the first bracket 12 with the second bracket 22 and to position the secondary optical element 21 in front of the primary optical element 11, preferably, the secondary optical element 21 is provided at the front end of the second bracket 22, and the insertion groove 221 penetrates the rear end surface 22a of the second bracket 22 and extends from the rear to the front. Thereby, the first holder 12 is allowed to be inserted into the insertion groove 221 from the rear end of the insertion groove 221 and to advance into the insertion groove 221 in the direction indicated by the arrow in fig. 3 until the positioning surface of the first holder 12 is in contact fit with the surface inside the insertion groove 221, and the primary optical element 11 supported on the upper surface of the first holder 12 is positioned behind the secondary optical element 21.

In order to ensure that the contact fit of the positioning surface of the first bracket 12 and the inner side surface of the slot 221 can effectively limit the relative position of the first bracket 12 and the second bracket 22, preferably, the surface inside the slot 221 is formed with a front surface 221a, an upper surface 221b and a lower surface 221c, the positioning surface of the first bracket 12 comprises a front positioning surface located on the front end surface of the first bracket 12, an upper positioning surface located on the upper surface of the first bracket 12 and a lower positioning surface located on the lower surface of the first bracket 12, wherein the front positioning surface contacts with the front surface 221a inside the slot 221 to limit the forward movement of the first bracket 12 relative to the second bracket 22; the upper positioning surface contacts with the upper surface 221b inside the slot 221 to limit the upward movement of the first support 12 relative to the second support 22; the lower positioning surface contacts the lower surface 221c inside the insertion groove 221 to restrict the first support 12 from moving downward relative to the second support 22. In this embodiment, the front end surface 121a of the supporting frame 121 located right in front of the limiting groove 123 forms a front positioning surface of the first supporting frame 12; after the limiting member 122 is assembled in the limiting groove 123 of the supporting frame 121, the upper surface 122b of the limiting member 122 is higher than the upper surface of the supporting frame 121, so that the upper surface 122b of the limiting member 122 forms an upper positioning surface of the first bracket 12; the lower surface 121b of the support frame 121 constitutes a lower positioning surface of the first bracket 12. Referring to fig. 2, in a preferred embodiment, the upper surface 221b inside the insertion groove 221 is partially recessed and is not in contact with the upper surface 122b of the position-limiting member 122, and the lower surface 221c inside the insertion groove 221 is partially recessed and is not in contact with the lower surface 121b of the supporting frame 121, so that the contact area between the upper surface 221b inside the insertion groove 221 and the upper surface 122b of the position-limiting member 122, and the contact area between the lower surface 221c inside the insertion groove 221 and the lower surface 121b of the supporting frame 121 can be reduced, a small-area contact positioning is formed, the machining accuracy of the small-area contact surface is more easily ensured, and the positioning surface of the first bracket 12 and the surface inside the insertion groove 221 can better interfere with each other, so that the positioning is more accurate.

Further, in this embodiment, preferably, the slot 221 penetrates the second bracket 22 in the left-right direction, one engaging portion 126 is disposed on each of the left and right sides of the first bracket 12, and the inner side surfaces 126a of the two engaging portions 126 are in contact with the left side surface 22b and the right side surface 22c of the second bracket 22, respectively, so as to limit the left-right movement of the first bracket 12 relative to the second bracket 22. In a preferred embodiment, the two engaging portions 126 are respectively disposed on the left and right side surfaces of the supporting frame 121 and both extend forward to the front of the front end surface 121a of the supporting frame 121, after assembly, the front end surface 121a of the supporting frame 121 contacts with the front surface 221a of the inner side of the slot 221, the two engaging portions 126 are located on the outer side of the second bracket 22, and the inner side surfaces 126a of the two engaging portions 126 respectively contact and cooperate with the left side surface 22b and the right side surface 22c of the second bracket 22 in the area in front of the slot 221. In order to enable the engaging portion 126 of the first bracket 12 to reach the front outer side of the slot 221 through the rear end of the slot 221, the rear end of the second bracket 22 is provided with a through slot 222 penetrating the first bracket 22 in the front-rear direction, the opening of the through slot 222 faces the slot 221 and is communicated with the rear end of the slot 221 at the outer side of the slot 221, and when the supporting frame 121 and the limiting member 122 are inserted into the slot 221, the engaging portion 126 positioned on the side surface of the supporting frame 121 passes through the through slot 222 and reaches the front outer side of the slot 221.

Referring to fig. 5, 10 and 12, in the present embodiment, preferably, the rear end of the first bracket 12 has a rear positioning surface for abutting against the surface 3a of the circuit board 3, and the rear end surface 22a of the second bracket 22 is provided with a protrusion 223 for abutting against the surface 3a of the circuit board 3. When the lamp optical element assembly of the present embodiment is mounted on the circuit board 3, the rear positioning surface of the first bracket 12 is in contact fit with the surface 3a of the circuit board 3, and the protrusion 223 at the rear end of the second bracket 22 is in butt fit with the surface 3a of the circuit board 3, so that the first bracket 12 is restricted from moving backward relative to the second bracket 22, and the lamp optical element assembly is positioned on the surface 3a of the circuit board 3. In this embodiment, the rear end surface 121c of the supporting frame 121 forms a rear positioning surface of the first bracket 12. Preferably, one protrusion 223 may be provided on each of left and right sides on the rear end surface 22a of the second bracket 22. Through set up the protruding portion 223 that docks mutually with the surface 3a of circuit board 3 on the rear end face 22a of second support 22, avoided the whole surface 3a with the circuit board 3 that contacts of rear end face 22a of second support 22, reduced the area of contact of second support 22 rear end and circuit board 3 surface 3a, form small area contact positioning, the machining precision of the contact surface of small area is guaranteed more easily, can make and interfere better between protruding portion 223 and the surface 3a of circuit board 3, thereby make the location more accurate.

In order to increase the accuracy of the assembly positioning between the optical element assembly of the vehicle lamp and the circuit board 3, referring to fig. 12 and 13, preferably, a second positioning pin 127 extends from the rear end of the first bracket 12, and the circuit board 3 is provided with a second positioning hole 31, and the second positioning pin 127 is used for being inserted into and matched with the second positioning hole 31. When the vehicle lamp optical element assembly of the present embodiment is mounted on the circuit board 3, the second positioning pin 127 and the second positioning hole 31 are inserted and matched to define the relative position between the vehicle lamp optical element assembly and the circuit board 3, so as to accurately position the vehicle lamp optical element assembly, thereby realizing accurate positioning between the vehicle lamp optical element assembly and the circuit board 3. To ensure the reliability of positioning and mounting between the lamp optical element assembly and the circuit board 3, preferably, the rear end of the first bracket 12 may extend with two second positioning pins 127, and the two second positioning pins 127 are respectively located at the left and right sides of the rear end of the first bracket 12. Correspondingly, the circuit board 3 is provided with two second positioning holes 31 respectively matched with the two second positioning pins 127 in an inserting manner.

Further, in order to facilitate assembly and prevent over-positioning, preferably, one of the two second positioning holes 31 on the circuit board 3 is a circular hole, and the other one is a kidney-shaped hole, the cross-sectional shapes of the two second positioning pins 127 at the rear end of the first bracket 12 are both circular, one second positioning pin 127 is in matched insertion with the second positioning hole 31 which is the circular hole, and the other second positioning pin 127 is in matched insertion with the second positioning hole 31 which is the kidney-shaped hole. Through the matching and inserting of the second positioning pin 127 and the second positioning hole 31 which is a waist-shaped hole, the processing error of the first bracket 12 and the circuit board 3 can be compensated, and the assembly of the first bracket 12 and the circuit board 3 is easier.

After the lamp optical element assembly of the present embodiment is assembled, the assembled lamp optical element assembly needs to be mounted on the circuit board 3 and the heat sink 4. Referring to fig. 11, 12 and 13, when the optical element assembly of the vehicle lamp of the present embodiment is installed, the circuit board 3 may be pre-positioned on the heat sink 4, preferably, the heat sink 4 is provided with at least one positioning protrusion 41, the circuit board 3 is provided with a positioning slot 32 for inserting the positioning protrusion 41, and the pre-positioning of the circuit board 3 and the heat sink 4 is realized through the insertion and matching of the positioning protrusion 41 and the positioning slot 32. Since the relative positions of the primary optical element 11 and the secondary optical element 21 in the optical element assembly of the vehicle lamp of the present embodiment are determined, the positioning accuracy of the circuit board 3 and the heat sink 4 is not particularly high, so that the mounting process of the optical element assembly of the vehicle lamp on the circuit board 3 and the heat sink 4 is very simple and convenient. After the pre-positioning of the circuit board 3 and the heat sink 4 is completed, the optical element assembly of the vehicle lamp is positioned on the surface 3a of the circuit board 3, specifically, the two second positioning pins 127 at the rear end of the first support 12 are respectively in insertion fit with the two second positioning holes 31 on the circuit board 3, and the rear positioning surface of the first support 12 is in contact fit with the surface 3a of the circuit board 3, and the protruding portion 223 at the rear end of the second support 22 is in butt fit with the surface 3a of the circuit board 3. Then the optical element assembly of the car lamp is fixedly connected with the circuit board 3 and the radiator 4, and the optical element assembly of the car lamp can be installed.

In order to realize the fixed connection between the lamp optical element assembly of the present embodiment and the circuit board 3 and the heat sink 4, referring to fig. 1, the lamp optical element assembly of the present embodiment is provided with a first threaded hole 224 at the rear end of the second bracket 22, referring to fig. 11 and 12, the circuit board 3 is provided with a second threaded hole 33, the first threaded hole 224 is butted with the second threaded hole 33 and is used for the threaded connector 5 to pass through, the heat sink 4 is provided with a third threaded hole (not shown in the figure) connected with the threaded connector 5 in a matching manner, therefore, the first threaded hole 224, the second threaded hole 33 and the third threaded hole are sequentially connected through the threaded connector 5, the fastening connection between the lamp optical element assembly of the present embodiment and the circuit board 3 and the heat sink 4 can be realized, and the installation of the lamp optical element assembly.

In summary, the optical element assembly for a vehicle lamp of the present embodiment directly determines the relative position of the primary optical element 11 and the secondary optical element 21 by assembling the primary optical element 11 and the secondary optical element 21 into an integral structure through the matching connection of the first bracket 12 and the second bracket 22, thereby realizing the direct positioning between the primary optical element 11 and the secondary optical element 21. Further, the front positioning surface (the front end surface 121a of the supporting frame 121) of the first bracket 12 contacts with the front surface 221a inside the slot 221 of the second bracket 22 to limit the first bracket 12 from moving forward relative to the second bracket 22, the upper positioning surface (the upper surface 122b of the limiting member 122) of the first bracket 12 contacts with the upper surface 221b inside the slot 221 to limit the first bracket 12 from moving upward relative to the second bracket 22, the lower positioning surface (the lower surface 121b of the supporting frame 121) of the first bracket 12 contacts with the lower surface 221c inside the slot 221 to limit the first bracket 12 from moving downward relative to the second bracket 22, the inner side surfaces 126a of the first bracket 12 opposite to the two engaging parts 126 contact with the left side surface 22b and the right side surface 22c of the second bracket 22 respectively, and the rear positioning surface (the rear end surface 121c of the supporting frame 121) of the first bracket 12 contacts with the surface 3a of the circuit board 3 in a matching manner, The protruding part 223 at the rear end of the second support 22 is in butt-joint fit with the surface 3a of the circuit board 3, so that the first support 12 is limited to move backwards relative to the second support 22, and therefore, the first support 12 and the second support 22 are relatively fixed in the front-back, up-down and left-right directions, the omnibearing positioning precision and the mounting stability of the first support 12 and the second support 22 are ensured, namely, the positioning precision and the mounting stability of the primary optical element 11 and the secondary optical element 21 are ensured, the relative position of the primary optical element 11 and the secondary optical element 21 can be kept unchanged after the vehicle lamp optical element assembly is used for a long time, and the accuracy and the stability of the light shape of the vehicle lamp are ensured. In addition, the primary optical element assembly 1 and the secondary optical element assembly 2 are assembled into an integral structure, the relative positions of the primary optical element 11 and the secondary optical element 21 are determined, and then the integral structure is mounted on the circuit board 3 and the heat sink 4, so that the positioning accuracy requirements of the circuit board 3 and the heat sink 4 can be reduced, and the mounting process is simpler and more convenient.

Based on above-mentioned car light optical element assembly, the embodiment of the utility model provides a still provide a car light, the car light of this embodiment includes the above-mentioned car light optical element assembly of this embodiment.

Based on above-mentioned car light, the embodiment of the utility model provides a still provide a car, the car of this embodiment includes the above-mentioned car light of this embodiment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. A vehicle lamp optical element assembly comprising a primary optical element assembly (1) and a secondary optical element assembly (2), wherein the primary optical element assembly (1) comprises a primary optical element (11) and a first support (12) supporting the primary optical element (11), the secondary optical element assembly (2) comprises a secondary optical element (21) and a second support (22) supporting the secondary optical element (21), and the first support (12) and the second support (22) are in fit connection, so that the primary optical element (11) and the secondary optical element (21) are relatively fixed.

2. The optical element assembly of claim 1, wherein the first bracket (12) comprises a supporting frame (121) and a limiting member (122), the limiting member (122) is fixed to the primary optical element (11), the supporting frame (121) is provided with a limiting groove (123), and the limiting member (122) is connected to the limiting groove (123) in a matching manner and fixed relative to the supporting frame (121).

3. The optical element assembly according to claim 2, wherein the retainer (122) is provided with a first positioning hole (124), and the retaining groove (123) is provided with a first positioning pin (125) which is inserted into the first positioning hole (124).

4. The vehicle lamp optical element assembly according to claim 1, wherein the second bracket (22) is provided with an insertion groove (221), the first bracket (12) is in insertion fit with the insertion groove (221), and the first bracket (12) has a positioning surface which contacts with a surface inside the insertion groove (221).

5. The vehicle lamp optical element assembly according to claim 4, wherein the secondary optical element (21) is provided at a front end of the second bracket (22), the insertion groove (221) penetrates a rear end surface (22a) of the second bracket (22) and extends from a rear side to a front side, the positioning surface of the first bracket (12) includes a front positioning surface located at a front end surface of the first bracket (12), an upper positioning surface located at an upper surface of the first bracket (12), and a lower positioning surface located at a lower surface of the first bracket (12), the front positioning surface contacts with a front surface (221a) inside the insertion groove (221), the upper positioning surface contacts with an upper surface (221b) inside the insertion groove (221), and the lower positioning surface contacts with a lower surface (221c) inside the insertion groove (221).

6. The optical element assembly according to claim 5, wherein the insertion groove (221) penetrates the second bracket (22) in the left-right direction, the first bracket (12) is provided with a engaging portion (126) on each of the left and right sides thereof, and the inner side surfaces (126a) of the two engaging portions (126) opposite to each other are in contact with the left and right side surfaces of the second bracket (22).

7. A vehicle lamp optical element assembly according to claim 5, wherein the rear end of the first bracket (12) has a rear positioning surface for abutting against the surface (3a) of the circuit board (3), and the rear end surface (22a) of the second bracket (22) is provided with a projection (223) for abutting against the surface (3a) of the circuit board (3).

8. The vehicle lamp optical element assembly according to claim 5, wherein the rear end of the first bracket (12) extends with a second positioning pin (127) for plugging and matching with a second positioning hole (31) on the circuit board (3).

9. A vehicular lamp characterized by comprising the vehicular lamp optical element assembly according to any one of claims 1 to 8.

10. An automobile characterized by comprising the vehicular lamp according to claim 9.