Head-up display assembly

Abstract

The invention discloses a head-up display assembly which comprises an optical lens back plate assembly and a gluing supporting tool used for supporting and positioning the optical lens back plate assembly, and supporting and positioning structures matched with each other between the optical lens back plate assembly and the gluing supporting tool are in multi-point contact fit. According to the scheme, the supporting and positioning structures matched with each other between the optical lens back plate assembly and the gluing supporting tool adopt multi-point contact matching, and original surface contact matching is replaced, so that the positioning precision of the optical lens back plate assembly on the gluing supporting tool can be improved, and the positioning precision of the optical lens back plate assembly on the gluing supporting tool is improved. And the problems of large bonding prestress, poor surface type and the like can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted head-up display, and in particular to a head-up display component. Background Art

[0002] During the optical lens bonding process of the vehicle-mounted AR HUD (Augmented Reality Head-up Display) system, the optical lens back panel assembly needs to be placed on the glue-coated support tooling, and then the optical lens is bonded to the optical lens back panel assembly through glue coating.

[0003] However, in the prior art, the glue coating support tooling mainly positions and supports the optical lens back panel assembly through surface contact, which has problems such as low positioning accuracy, large bonding prestress, poor surface shape, etc., and there is no independent support for each single glue coating point of the optical lens back panel assembly. Summary of the invention

[0004] In view of this, the present invention provides a head-up display assembly, which can help improve the positioning accuracy of the optical lens back panel assembly on the glue-coated support tooling, and is also helpful in solving problems such as large bonding prestress and poor surface shape.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A head-up display assembly includes: an optical lens back panel assembly and a glue-coated support tooling for supporting and positioning the optical lens back panel assembly, wherein the supporting and positioning structure that cooperates between the optical lens back panel assembly and the glue-coated support tooling is a multi-point contact fit.

[0007] Preferably, the supporting and positioning structure comprises:

[0008] A back plate positioning structure provided on a side of the optical lens back plate assembly facing the glue coating support tooling;

[0009] A tooling support positioning structure is arranged on the side of the glue coating support tooling facing the optical lens back panel assembly, and is used for multi-point contact cooperation with the back panel positioning structure of the optical lens back panel assembly.

[0010] Preferably, the back plate positioning structure comprises: a back plate Z-direction positioning structure and a back plate XY-direction positioning structure;

[0011] The tooling support and positioning structure comprises: a tooling support structure and a tooling positioning structure;

[0012] The tooling support structure of the glue coating support tooling is used to cooperate with the back plate Z-direction positioning structure of the optical lens back plate assembly at several points, and the tooling positioning structure is used to cooperate with the back plate XY-direction positioning structure of the optical lens back plate assembly at several points.

[0013] Preferably, the back plate Z-direction positioning structure and the back plate XY-direction positioning structure are respectively arranged at the bottom of the optical lens back plate of the optical lens back plate assembly;

[0014] The motor back plate of the optical lens back plate assembly is provided with a tooling support avoidance structure for cooperating with the tooling support structure of the glue coating support tooling, and is provided with a tooling positioning avoidance structure for cooperating with the tooling positioning structure of the glue coating support tooling.

[0015] Preferably, the back plate Z-direction positioning structure comprises: a plurality of Z-direction positioning holes arranged at the bottom of the optical lens back plate;

[0016] The tooling support structure comprises: a plurality of tooling support columns arranged on the top of the glue coating support tooling and used to contact and cooperate with a plurality of Z-direction positioning holes at the bottom of the optical lens back plate one by one;

[0017] The back plate XY direction positioning structure comprises: a plurality of XY direction positioning holes arranged at the bottom of the optical lens back plate;

[0018] The tooling positioning structure includes: a plurality of tooling positioning columns arranged on the top of the glue coating support tooling, which are used to contact and cooperate with a plurality of XY positioning holes at the bottom of the optical lens back plate one by one.

[0019] Preferably, the multiple Z-direction positioning holes at the bottom of the optical lens back plate are distributed in one-to-one correspondence with the multiple glue coating points at the top of the optical lens back plate.

[0020] Preferably, the optical lens back plate assembly comprises: an optical lens back plate, a motor back plate and a driving mechanism;

[0021] The optical lens back plate is disposed on the motor back plate and can rotate around a first direction relative to the motor back plate; wherein the first direction is parallel to the direction of the line connecting the two short edges of the optical lens back plate;

[0022] The driving mechanism is disposed between the optical lens back plate and the motor back plate, and is used for driving the optical lens back plate to rotate around a first direction relative to the motor back plate.

[0023] Preferably, the two short edge sides of the optical lens back plate are rotatably arranged on the two short edge sides of the motor back plate through a rotating shaft; wherein the rotating shaft is arranged along the first direction;

[0024] The driving mechanism comprises:

[0025] A turbine disposed at the bottom of the middle portion of the optical lens back plate;

[0026] A worm gear is disposed at the top of the middle part of the motor back plate and is used to mesh with the turbine; wherein the worm gear is vertically distributed with the rotating shaft;

[0027] A motor is arranged at the top of the middle part of the motor back plate and is used for connecting with the worm gear transmission.

[0028] Preferably, the optical lens back plate assembly further comprises: a worm support and an elastic assembly;

[0029] The first end of the worm support is rotatable around a second direction and is disposed at the top of the middle portion of the motor back plate, and the worm is rotatably disposed between the first end and the second end of the worm support; wherein the second direction is parallel to the first direction;

[0030] The motor is arranged outside the first end of the worm support, and the output end thereof passes through the first end of the worm support and is transmission-connected with the worm;

[0031] The elastic component is arranged between the bottom of the second end of the worm support and the top of the middle part of the motor back plate, and is used to provide elastic force for the second end of the worm support so that the worm and the turbine are kept in meshing.

[0032] Preferably, the elastic component comprises an elastic supporting sheet.

[0033] It can be seen from the above technical solution that the head-up display assembly provided by the present invention, the supporting positioning structure that cooperates with each other between the optical lens back panel assembly and the glue-coated support tooling adopts multi-point contact cooperation, replacing the original surface contact cooperation. This can help improve the positioning accuracy of the optical lens back panel assembly on the glue-coated support tooling, and is also beneficial for solving problems such as large bonding prestress and poor surface shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A schematic diagram of the working state of the optical lens back plate, the motor back plate and the glue coating support tooling provided by the embodiment of the present invention;

[0036] Figure 2 An exploded view of the optical lens back plate, motor back plate and glue support tooling provided in an embodiment of the present invention;

[0037] Figure 3 An exploded view of the optical lens, optical lens back plate, motor back plate and glue support tooling provided in an embodiment of the present invention;

[0038] Figure 4 A back view of the optical lens back plate provided by an embodiment of the present invention;

[0039] Figure 5 A rear view of a motor back plate provided by an embodiment of the present invention;

[0040] Figure 6 An axial side view of a glue coating support tooling provided in an embodiment of the present invention;

[0041] Figure 7 A back view of the optical lens back plate provided by an embodiment of the present invention;

[0042] Figure 8 A schematic diagram of the cooperation between the first rotating shaft and the first rotating shaft seat of the optical lens back plate provided by an embodiment of the present invention;

[0043] Fig. 9 A schematic diagram of the installation of a worm, a worm support and a motor provided in an embodiment of the present invention;

[0044] Fig.10 A schematic diagram of the installation of the elastic support sheet provided in an embodiment of the present invention between the worm support and the motor back plate;

[0045] Fig.11 A schematic diagram of the installation of the optical lens back panel assembly provided in an embodiment of the present invention in a head-up display.

[0046] Among them, 1 is the optical lens back plate, 2 is the motor back plate, 3 is the glue coating support tooling, 4 is the back plate Z-axis positioning hole, 5 is the back plate XY-axis positioning hole, 6 is the tooling support column avoidance hole, 7 is the tooling positioning column avoidance hole, 8 is the tooling support column, 9 is the tooling positioning column, 10 is the first rotating shaft, 11 is the optical lens, 12 is the first rotating shaft seat, 13 is the second rotating shaft seat, 14 is the second rotating shaft, 15 is the worm, 16 is the turbine, 17 is the motor, 18 is the worm support, 19 is the mounting seat, 20 is the base, 21 is the elastic support sheet, and 22 is the head-up display main shell. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] The head-up display component provided by the embodiment of the present invention is as follows: Figure 1 and Figure 2 As shown, it includes: an optical lens back panel assembly and a glue-coated support tool 3 for supporting and positioning the optical lens back panel assembly. The supporting and positioning structure that cooperates with each other between the optical lens back panel assembly and the glue-coated support tool 3 is a multi-point contact fit.

[0049] It should be noted that if Figure 1 As shown, the optical lens back panel assembly is assembled from an optical lens back panel 1 and a motor back panel 2, the optical lens back panel 1 is above the motor back panel 2, and its top or upper panel surface is used for gluing and bonding the optical lens 11; the gluing support fixture 3 is used to support and position the optical lens back panel assembly, and the supporting and positioning structure that cooperates with each other is a multi-point contact cooperation, that is, the gluing support fixture 3 supports and positions the optical lens back panel assembly through multi-point contact, replacing the original surface contact support and positioning method, which helps to improve the positioning accuracy of the optical lens back panel assembly, that is, it helps to achieve precise positioning of the optical lens back panel assembly in the gluing and bonding process, and is also beneficial to solve problems such as large bonding prestress and poor surface shape.

[0050] That is to say, the supporting positioning structure between the optical lens back panel assembly and the glue-coated supporting tooling 3 adopts multi-point contact cooperation, replacing the original surface contact cooperation. This can help improve the positioning accuracy of the optical lens back panel assembly on the glue-coated supporting tooling 3, and is also helpful in solving problems such as large bonding prestress and poor surface shape.

[0051] In this solution, the supporting and positioning structure includes:

[0052] A back plate positioning structure provided on a side of the optical lens back plate assembly facing the glue coating support tooling 3;

[0053] A tooling support positioning structure is arranged on the side of the glue-coated support tooling 3 facing the optical lens back panel assembly, and is used for the back panel positioning structure of the optical lens back panel assembly to be in multi-point contact cooperation. In other words, a positioning structure is provided on the side of the optical lens back panel assembly facing the glue-coated support tooling 3, and a support positioning structure is provided on the side of the glue-coated support tooling 3 facing the optical lens back panel assembly, and is used for the positioning structure of the optical lens back panel assembly to be in multi-point contact cooperation, which can help to further improve the positioning accuracy of the optical lens back panel assembly on the glue-coated support tooling 3. Among them, the positioning structure of the optical lens back panel assembly can include X-direction, Y-direction and Z-direction positioning structures, and details can be seen in the following description.

[0054] Specifically, the back plate positioning structure includes: a back plate Z-direction positioning structure and a back plate XY-direction positioning structure;

[0055] The tooling support and positioning structure includes: a tooling support structure and a tooling positioning structure;

[0056] The tooling support structure of the glue-coated support tooling 3 is used to cooperate with the back plate Z-direction positioning structure of the optical lens back plate assembly at several points of contact, and the tooling positioning structure is used to cooperate with the back plate XY-direction positioning structure of the optical lens back plate assembly at several points of contact. Among them, the tooling support structure of the glue-coated support tooling 3 can be used for single-point contact cooperation with the back plate Z-direction positioning structure of the optical lens back plate assembly, or it can be used for multi-point contact cooperation, which can facilitate the support and Z-direction precise positioning of the optical lens back plate assembly; the tooling positioning structure can be used for the back plate XY-direction positioning structure of the optical lens back plate assembly, or it can be used for multi-point contact cooperation, which can facilitate the XY-direction precise positioning of the optical lens back plate assembly, thereby facilitating the support and XYZ-direction precise positioning of the optical lens back plate assembly on the glue-coated support tooling 3. In other words, this scheme can realize the XYZ-direction precise positioning and support of the optical lens back plate assembly on the glue-coated support tooling 3 through the joint design of the positioning structure of the optical lens back plate assembly and the support positioning structure of the glue-coated support tooling 3. Of course, during the actual support and positioning process of the optical lens back panel assembly, the back panel Z-axis positioning structure of the optical lens back panel assembly needs to be placed on the tooling support structure of the glue coating support tooling 3, and the back panel XY-axis positioning structure needs to be placed on the tooling positioning structure of the glue coating support tooling 3.

[0057] Furthermore, if Figure 4 As shown, the back plate Z-direction positioning structure and the back plate XY-direction positioning structure are respectively arranged at the bottom of the optical lens back plate 1 of the optical lens back plate assembly; wherein, as Figure 2 As shown, the motor back plate 2 of the optical lens back plate assembly is located below the optical lens back plate 1;

[0058] In order to ensure that the positioning structure of the optical lens back plate 1 can be properly contacted with the tooling support positioning structure of the glue support tooling 3, it is required that the motor back plate 2 is provided with an avoidance structure for the tooling support positioning structure of the glue support tooling 3; accordingly, the motor back plate 2 of the optical lens back plate assembly is provided with a tooling support avoidance structure for cooperating with the tooling support structure of the glue support tooling 3, and a tooling positioning avoidance structure for cooperating with the tooling positioning structure of the glue support tooling 3. Of course, the avoidance structure of the motor back plate 2 can adopt the structure of an avoidance hole (through hole).

[0059] Furthermore, if Figure 4 As shown, the back plate Z-direction positioning structure includes: a plurality of Z-direction positioning holes 4 arranged at the bottom of the optical lens back plate 1; wherein the plurality of Z-direction positioning holes 4 are arranged at the back (lower plate surface) of the optical lens back plate 1;

[0060] like Figure 6 As shown, the tooling support structure includes: a plurality of tooling support columns 8 disposed on the top of the glue coating support tooling 3, and used to contact and cooperate with a plurality of Z-direction positioning holes 4 at the bottom of the optical lens back plate 1 one by one;

[0061] like Figure 4 As shown, the back plate XY-direction positioning structure includes: a plurality of XY-direction positioning holes 5 arranged at the bottom of the optical lens back plate 1; wherein the plurality of XY-direction positioning holes 5 are arranged at the back (lower plate surface) of the optical lens back plate 1;

[0062] like Figure 6 As shown, the tooling positioning structure includes: a plurality of tooling positioning posts 9 arranged on the top of the glue coating support tooling 3 and used for contacting and cooperating with a plurality of XY-direction positioning holes 5 at the bottom of the optical lens back plate 1 one by one.

[0063] It should be noted that if Figure 4 As shown, the Z-direction positioning holes 4 are Z-direction precision positioning structures designed at the bottom of the optical lens back plate 1. The number of Z-direction positioning holes 4 can be twelve, and they are divided into two groups. The two groups of Z-direction positioning holes 4 can be symmetrically distributed on both sides of the bottom of the optical lens back plate 1, and each group of Z-direction positioning holes 4 is also evenly distributed on one side of the bottom of the optical lens back plate 1, and the Z-direction positioning holes 4 can be positioning cylindrical holes;

[0064] like Figure 4 As shown, the XY-direction positioning hole 5 is the XY-direction precise positioning structure designed at the bottom of the optical lens back plate 1. The number of the XY-direction positioning holes 5 can be four, and they are divided into two groups. The two groups of XY-direction positioning holes 5 can be symmetrically distributed on both sides of the bottom of the optical lens back plate 1, and the XY-direction positioning holes 5 can also be positioning cylindrical holes; wherein, the Z-direction positioning hole 4 of the optical lens back plate 1 is used in conjunction with the XY-direction positioning hole 5, so as to realize the XYZ-direction precise positioning and 6-degree-of-freedom constraint of the optical lens back plate 1;

[0065] like Figure 6 As shown, the number of tooling support columns 8 can be twelve, and they are distributed one by one corresponding to the twelve Z-direction positioning holes 4, and after the multiple tooling support columns 8 on the top of the glue-coating support tooling 3 are in contact and matched with the multiple Z-direction positioning holes 4 at the bottom of the optical lens back plate 1, that is, the multiple Z-direction positioning holes 4 at the bottom of the optical lens back plate 1 are placed one by one on the multiple tooling support columns 8 on the top of the glue-coating support tooling 3, the support and Z-direction precise positioning of the optical lens back plate 1 can be achieved;

[0066] like Figure 6 As shown, the number of tooling positioning posts 9 can be four, and they are distributed one-to-one corresponding to the four XY positioning holes 5, and after the multiple tooling positioning posts 9 on the top of the glue-coated support tooling 3 are in contact and matched with the multiple XY positioning holes 5 at the bottom of the optical lens back plate 1 one by one, that is, the multiple XY positioning holes 5 at the bottom of the optical lens back plate 1 are placed one by one on the multiple tooling positioning posts 9 on the top of the glue-coated support tooling 3, the XY precise positioning of the optical lens back plate 1 can be achieved.

[0067] That is to say, through the one-to-one contact and cooperation of the multiple Z-direction positioning holes 4 at the bottom of the optical lens back plate 1 and the multiple tooling support columns 8 at the top of the glue support tooling 3, that is, through the one-to-one contact and cooperation of the multiple Z-direction positioning hole column structures between the optical lens back plate 1 and the glue support tooling 3, the support and Z-direction precise positioning of the optical lens back plate 1 on the glue support tooling 3 can be achieved. At the same time, through the one-to-one contact and cooperation of the multiple XY-direction positioning holes 5 at the bottom of the optical lens back plate 1 and the multiple tooling positioning columns 9 at the top of the glue support tooling 3, that is, through the one-to-one contact and cooperation of the multiple XY-direction positioning hole column structures between the optical lens back plate 1 and the glue support tooling 3, the XY-direction precise positioning of the optical lens back plate 1 on the glue support tooling 3 can also be achieved. This method has the characteristics of simple support positioning structure and convenient support positioning. Of course, after the optical lens back plate 1 and the motor back plate 2 are assembled into the optical lens back plate assembly, the optical lens back plate assembly is placed on the above-mentioned structure of the glue support tooling 3.

[0068] In addition, the twelve tooling support columns 8 are distributed at the bottom of the optical lens back plate 1 as shown in the following figure: Figure 4 As shown, the four tooling positioning columns 5 are distributed at the bottom of the optical lens back plate 1 as shown in FIG. Figure 4 As shown; In addition, Figure 5 As shown, the tool support avoidance structure of the motor back plate 2 may include: four tool support column avoidance holes 6, which are used to avoid the four tool support columns 8 in the middle row of the twelve tool support columns 8 one by one; the tool positioning avoidance structure of the motor back plate 2 may include: four tool positioning column avoidance holes 7, which are used to avoid the four tool positioning columns 9 one by one. Of course, the above-mentioned tool support column avoidance holes 6 and tool positioning column avoidance holes 7 are all through holes.

[0069] In this solution, the multiple Z-direction positioning holes 4 at the bottom of the optical lens back plate 1 are distributed in one-to-one correspondence with the multiple glue points at the top of the optical lens back plate 1. This makes it easy to independently support a single glue point of the optical lens back plate assembly, that is, it is easy to independently support a single glue point when the optical lens 11 is bonded; and as mentioned above, the number of the multiple Z-direction positioning holes 4 can be twelve, and accordingly, the glue points at the top of the optical lens back plate 1 can also be set to twelve, and distributed in one-to-one correspondence with the twelve Z-direction positioning holes 4. In other words, this solution can achieve precise positioning of the optical lens back plate 1 and independent support of the glue points of the optical lens back plate 1 through the multi-point contact cooperation of the back plate positioning structure of the optical lens back plate 1 and the tooling support positioning structure of the glue support tooling 3.

[0070] In addition, it should be noted that, since the gluing points of the optical lens 11 need to be obtained according to debugging, the twelve gluing points and twelve Z-direction positioning hole column structures set in this solution are redundantly designed and can be used arbitrarily during the debugging process. The optical lens back plate 1 and the motor back plate 2 do not need to be repaired, and only the number of tooling support columns 8 on the gluing support tooling 3 needs to be adjusted; the tooling support columns 8 can be disassembled to meet the requirements of trying various gluing points during debugging, which requires that the tooling support columns 8 be detachably installed on the gluing support tooling 3; among them, if Figure 6 As shown, the glue coating support tooling 3 may include: a base 20, twelve tooling support columns 8 and four tooling positioning columns 9; the lower ends of the twelve tooling support columns 8 can be detachably plugged into the base 20, and the lower ends of the four tooling positioning columns 9 can be plugged and fixed into the base 20.

[0071] Specifically, Figure 2 As shown, the optical lens back plate assembly includes: an optical lens back plate 1, a motor back plate 2 and a driving mechanism;

[0072] like Figure 1 As shown, the optical lens back plate 1 is disposed on the motor back plate 2 and can rotate around a first direction relative to the motor back plate 2; wherein the first direction is parallel to the direction of the line connecting the two short edges of the optical lens back plate 1;

[0073] The driving mechanism is arranged between the optical lens back plate 1 and the motor back plate 2, and is used to drive the optical lens back plate 1 to rotate relative to the motor back plate 2 around a first direction. In this way, the optical lens back plate 1 can rotate relative to the motor back plate 2 around the first direction, which makes the optical lens back plate assembly have a rotation adjustment function, thereby meeting the demand for rotation adjustment of the optical lens 11. In this way, when drivers of different heights use the head-up display, the driver can adjust the projection height of the head-up display through the above-mentioned rotation adjustment function of the optical lens back plate assembly; of course, the optical lens back plate assembly is installed sideways in the head-up display, such as Figure 3 As shown, a mounting seat 19 is provided on the motor back plate 2 for mounting and connecting with the head-up display main housing 22. Fig.11 As shown, the optical lens back panel assembly is installed in the head-up display. Figure 4 As shown, the optical lens back plate 1 has two opposite short edges (such as Figure 4 The left and right edges of the optical lens back plate 1), and two opposite long edges (such as Figure 4 The upper and lower edges of the optical lens back plate 1), the first direction can be Figure 4 The left and right directions in Figure 6 The length direction of the base 20 of the middle glue coating support tooling 3 is parallel.

[0074] Further, the two short edge sides of the optical lens back plate 1 are rotatably arranged on the two short edge sides of the motor back plate 2 through the rotating shafts; wherein the rotating shafts are arranged along the first direction;

[0075] The driving mechanism includes:

[0076] A turbine 16 disposed at the bottom of the middle portion of the optical lens back plate 1;

[0077] A worm 15 is disposed at the top of the middle portion of the motor back plate 2 and is used to mesh with the turbine 16; wherein the worm 15 is vertically distributed with respect to the rotating shaft;

[0078] The motor 17 is arranged at the top of the middle part of the motor back plate 2 and is used for transmission connection with the worm 15 .

[0079] It should be noted that if Figure 3 As shown, the two short edge sides of the motor back plate 2 are respectively provided with a first shaft seat 12 and a second shaft seat 13, wherein the first shaft seat 12 and the second shaft seat 13 can be respectively installed on the two short edge sides of the motor back plate 2 by bolts. The structure of the first shaft seat 12 can refer to Figure 8 as shown; Figure 4 As shown, the two short edge sides of the optical lens back plate 1 are rotatably arranged on the first rotating shaft seat 12 and the second rotating shaft seat 13 of the motor back plate 2 through the first rotating shaft 10 and the second rotating shaft 14, wherein the cooperation between the first rotating shaft 10 of the optical lens back plate 1 and the first rotating shaft seat 12 of the motor back plate 2 can be referred to Figure 8 As shown, the first rotating shaft 10 and the second rotating shaft 14 are both arranged along the first direction, which can be equivalent to the left and right rotating shafts. Correspondingly, the first rotating shaft seat 12 and the second rotating shaft seat 13 can also be equivalent to the left and right rotating shaft seats, and in order to facilitate the installation of the rotating shaft of the optical lens back plate 1 on the rotating shaft seat of the motor back plate 2, as shown in FIG. Figure 8 As shown, both short edge sides of the optical lens back plate 1 are provided with hollow structures, such as Figure 4As shown, the first rotating shaft 10 and the second rotating shaft 14 are actually both arranged at the inner frame of the respective hollow structures along the first direction, so that the two short edge sides of the optical lens back plate 1 can rotate around the first direction relative to the motor back plate 2; and the driving mechanism arranged between the middle part of the optical lens back plate 1 and the motor back plate 2 is actually a worm gear driving assembly; wherein, as Figure 7 As shown, the turbine 16 can be arranged at the bottom of the middle part of the optical lens back plate 1, and its axial direction is perpendicular to the first direction; of course, as shown in FIG. Figure 3 As shown, the middle part of the optical lens back plate 1 can be provided with a through turbine mounting groove, and the turbine 16 can be installed into the turbine mounting groove by bolts; Figure 3 As shown, the worm 15 can be arranged at the top of the middle part of the motor back plate 2 and is used to mesh with the turbine 16; of course, the axial direction of the worm 15 is perpendicular to the first direction; the motor 17 can be arranged at the top of the middle part of the motor back plate 2, and its output end can be connected to the worm 15 through a coupling. The motor 17 drives the worm 15 to rotate, and then based on the meshing of the worm 15 and the turbine 16, the turbine 16 is driven to rotate, and then the optical lens back plate 1 is driven to rotate around the first direction, so that the optical lens 11 is rotated around the first direction.

[0080] That is to say, the two short edge sides of the optical lens back plate 1 can rotate around the first direction relative to the motor back plate 2, and then the two short edge sides of the optical lens back plate 1 are driven to rotate around the first direction relative to the motor back plate 2 through the worm gear drive assembly, and the worm gear drive assembly is arranged between the middle part of the optical lens back plate 1 and the motor back plate 2. In this way, the rotation adjustment of the optical lens back plate 1 can be made simpler and more convenient, and the structure of the optical lens back plate assembly can also be made more compact.

[0081] Furthermore, if Fig. 9 As shown, the optical lens back plate assembly also includes: a worm support 18 and an elastic assembly;

[0082] The first end of the worm support 18 is rotatable around the second direction and is disposed at the top of the middle part of the motor back plate 2, and the worm 15 is rotatable between the first end and the second end of the worm support 18; wherein the second direction is located on one side of the first direction and is parallel to the first direction;

[0083] The motor 17 is arranged outside the first end of the worm support 18, and the output end thereof passes through the first end of the worm support 18 and is drivingly connected to the worm 15;

[0084] The elastic component is arranged between the bottom of the second end of the worm support 18 and the top of the middle part of the motor back plate 2, and is used to provide elastic force for the second end of the worm support 18 so that the worm 15 and the worm gear 16 remain in meshing.

[0085] It should be noted that if Fig. 9 As shown, a worm support mounting groove is provided at the top of the middle part of the motor back plate 2, and the worm support 18 is installed in the worm support mounting groove, and the two sides of the first end (which can be the rear end) of the worm support 18 are rotatably connected to the two side groove walls of the worm support mounting groove through a rotating shaft, so that the first end of the worm support 18 can be rotatably arranged around the second direction between the two side groove walls of the worm support mounting groove; the worm 15 is rotatably installed between the first end and the second end (which can be the front end) of the worm support 18. Of course, the relative direction of the first end and the second end of the worm support 18 is perpendicular to the second direction, and the worm support 18 is located above the motor back plate 2; the elastic component is arranged between the bottom of the second end of the worm support 18 and the top of the middle part of the motor back plate 2, and is used to provide an upward elastic force for the second end of the worm support 18, so that the worm 15 always keeps meshing with the turbine 16, avoids the worm 15 and the turbine 16 from meshing and disengaging, and ensures the normal rotation and adjustment of the optical lens back plate 1; of course, as Figure 3 As shown, since the optical lens back plate 1 is a curved back plate, and the turbine 16 is arranged at the bottom of the middle part of the optical lens back plate 1, as the optical lens back plate 1 rotates relative to the motor back plate 2, the worm 15 and the turbine 16 may be disengaged. The above design of the present scheme is used to avoid the occurrence of this situation, thereby ensuring that the worm 15 always remains engaged with the turbine 16, that is, it is possible to pre-tighten the turbine 16 and the worm 15 at different rotation angles, thereby ensuring the normal operation of the drive mechanism.

[0086] Specifically, Fig.10 As shown, the elastic component includes an elastic support sheet 21, which is used to provide an upward elastic force to the bottom of the second end of the worm support 18. The structure of the elastic support sheet 21 can be referred to Fig.10 As shown, one end thereof can be connected to the bottom of the second end of the worm support 18 by a fastener (screw or bolt), and the other end is abutted against the top of the middle part of the motor back plate 2.

[0087] It should also be noted that if Figure 8As shown, a first elastic limiting plate can be provided on each rotating shaft seat for contacting and cooperating with the outer peripheral wall of the rotating shaft, so as to realize radial limiting of the rotating shaft; and a second elastic limiting plate can be provided on each rotating shaft seat for contacting and cooperating with the outer end face of the rotating shaft, so as to realize axial limiting of the rotating shaft; in addition, the optical lens back plate 1 can also obtain good thermal stability by selecting reasonable materials, so that when the high and low temperatures change, the deformation of the optical lens back plate 1 affected by the temperature is very small; in addition, all parts of this component can be It is installed by screws, which can be screwed vertically, without a horizontal installation structure, and is easy to assemble; at the same time, at the end of the assembly, if an error is found, even if the optical lens 11 has been glued, the first pivot seat 12 and the second pivot seat 13 can still be removed by removing the mounting screws, and the first pivot seat 12 and the second pivot seat 13 can be pulled out horizontally to achieve rework and secondary utilization, thereby minimizing the scrapping of parts; of course, the optical lens back panel assembly can adopt a modular design concept, and can be used as an independent component, can be used as a platform, and can also be adapted to different head-up displays HUD. In addition, as mentioned above, in addition to being installed and connected to the head-up display main shell 22 through the mounting seat 19, the optical lens back panel assembly can also be installed and connected to the head-up display main shell 22 through the mounting seat 19. Fig.11 As shown, the optical lens back panel assembly can also be installed and connected to the head-up display main shell 22 through the first rotating shaft seat 12 and the second rotating shaft seat 13 respectively; wherein, the mounting seat 19, the first rotating shaft seat 12 and the second rotating shaft seat 13 can all be connected to the head-up display main shell 22 by screws.

[0088] That is to say, the present solution provides a head-up display assembly, in which the optical lens back panel assembly can be applied to vehicle-mounted head-up display AR HUD products, can meet the requirements of optical lens positioning, installation and rotation, and through the joint design with the tooling, can achieve independent support and precise positioning of a single gluing point when the optical lens is bonded; that is, through the joint design of the positioning structure of the optical lens back panel assembly and the support positioning structure of the tooling, multi-point contact support and positioning of the optical lens back panel assembly can be achieved, the positioning accuracy is high, and independent support of the gluing points can also be achieved.

[0089] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0090] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A head-up display assembly, comprising: An optical lens back panel assembly and a glue coating support tool (3) for supporting and positioning the optical lens back panel assembly, characterized in that the supporting and positioning structure that cooperates between the optical lens back panel assembly and the glue coating support tool (3) is a multi-point contact cooperation.

2. The head-up display assembly according to claim 1, characterized in that: The supporting and positioning structure comprises: A back panel positioning structure provided on a side of the optical lens back panel assembly facing the glue coating support tooling (3); A tooling support positioning structure is arranged on the side of the glue coating support tooling (3) facing the optical lens back panel assembly and is used for multi-point contact cooperation with the back panel positioning structure of the optical lens back panel assembly.

3. The head-up display assembly according to claim 2, characterized in that: The back plate positioning structure includes: a back plate Z-direction positioning structure and a back plate XY-direction positioning structure; The tooling support and positioning structure comprises: a tooling support structure and a tooling positioning structure; The tool support structure of the glue coating support tool (3) is used to form a plurality of contact points with the back plate Z-direction positioning structure of the optical lens back plate assembly, and the tool positioning structure is used to form a plurality of contact points with the back plate XY-direction positioning structure of the optical lens back plate assembly.

4. The head-up display assembly according to claim 3, characterized in that: The back plate Z-direction positioning structure and the back plate XY-direction positioning structure are respectively arranged at the bottom of the optical lens back plate (1) of the optical lens back plate assembly; The motor back plate (2) of the optical lens back plate assembly is provided with a tool support avoidance structure for cooperating with the tool support structure of the glue coating support tool (3), and is provided with a tool positioning avoidance structure for cooperating with the tool positioning structure of the glue coating support tool (3).

5. The head-up display assembly according to claim 4, characterized in that: The back plate Z-direction positioning structure comprises: a plurality of Z-direction positioning holes (4) arranged at the bottom of the optical lens back plate (1); The tooling support structure comprises: a plurality of tooling support columns (8) arranged on the top of the glue coating support tooling (3) and used to contact and cooperate with a plurality of Z-direction positioning holes (4) at the bottom of the optical lens back plate (1) one by one; The back plate XY-direction positioning structure comprises: a plurality of XY-direction positioning holes (5) arranged at the bottom of the optical lens back plate (1); The tool positioning structure comprises: a plurality of tool positioning posts (9) arranged on the top of the glue coating support tool (3) and used for one-to-one contact and cooperation with a plurality of XY-direction positioning holes (5) at the bottom of the optical lens back plate (1).

6. The head-up display assembly according to claim 5, characterized in that: The multiple Z-direction positioning holes (4) at the bottom of the optical lens back plate (1) are distributed in a one-to-one correspondence with the multiple glue coating points at the top of the optical lens back plate (1).

7. The head-up display assembly according to claim 1, characterized in that: The optical lens back panel assembly comprises: an optical lens back panel (1), a motor back panel (2) and a driving mechanism; The optical lens back plate (1) is arranged on the motor back plate (2) and can rotate around a first direction relative to the motor back plate (2); wherein the first direction is parallel to the direction of a line connecting two short edges of the optical lens back plate (1); The driving mechanism is arranged between the optical lens back plate (1) and the motor back plate (2), and is used to drive the optical lens back plate (1) to rotate relative to the motor back plate (2) around a first direction.

8. The head-up display assembly according to claim 7, characterized in that: The two short edge sides of the optical lens back plate (1) are rotatably arranged on the two short edge sides of the motor back plate (2) via a rotating shaft; wherein the rotating shaft is arranged along the first direction; The driving mechanism comprises: A turbine (16) disposed at the bottom of the middle portion of the optical lens back plate (1); A worm (15) is arranged at the top of the middle part of the motor back plate (2) and is used to mesh with the turbine (16); wherein the worm (15) is arranged perpendicular to the rotating shaft; A motor (17) is arranged at the top of the middle part of the motor back plate (2) and is used for transmission connection with the worm (15).

9. The head-up display assembly according to claim 8, characterized in that: The optical lens back plate assembly further comprises: a worm support (18) and an elastic assembly; The first end of the worm support (18) is rotatably arranged at the top of the middle part of the motor back plate (2) in a second direction, and the worm (15) is rotatably arranged between the first end and the second end of the worm support (18); wherein the second direction is parallel to the first direction; The motor (17) is arranged outside the first end of the worm support (18), and the output end thereof passes through the first end of the worm support (18) and is drivingly connected to the worm (15); The elastic component is arranged between the bottom of the second end of the worm support (18) and the top of the middle part of the motor back plate (2), and is used to provide elastic force for the second end of the worm support (18) so that the worm (15) and the turbine (16) remain in meshing.

10. The head-up display assembly according to claim 9, characterized in that: The elastic component comprises an elastic supporting sheet (21).

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