A head-up display and vehicle
By employing an arc-shaped protrusion in the head-up display that contacts the mounting groove surface, the problem of severe shaft wear is solved, extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 合肥疆程技术有限公司
- Filing Date
- 2025-06-27
- Publication Date
- 2026-06-26
AI Technical Summary
In existing head-up displays, the large lens's pivot is usually set as a ball-shaped pivot, which contacts the V-shaped groove, leading to severe wear of the pivot.
The design of the arc-shaped protrusion contacting the mounting groove surface increases the contact area between the rotating shaft and the mounting groove, reduces local pressure, and thus reduces wear.
By increasing the contact area, the wear between the rotating shaft and the mounting groove is reduced, thus extending the service life.
Smart Images
Figure CN224408968U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive technology, and in particular to a head-up display and a vehicle. Background Technology
[0002] Head-up displays (HUDs) are commonly used automotive aids that connect to a vehicle and project relevant driving information onto the windshield. Drivers can view this information, such as speed, simply by looking at the windshield. In related technologies, HUD level adjustment primarily relies on a motor and gears driving the rotation of a large lens to adjust the level. The large lens has pivots on both sides, typically housed within mounting slots.
[0003] In the process of realizing this application, the inventor of this utility model discovered that in related technologies, the rotating shaft on a large lens is usually set as a spherical rotating shaft, and the mounting groove is usually set as a V-shaped groove. The spherical rotating shaft and the V-shaped groove are in point contact, which easily causes severe wear of the rotating shaft. Utility Model Content
[0004] In view of the above problems, the present invention provides a head-up display and a vehicle that overcomes or at least partially solves the above problems.
[0005] According to one aspect of the present invention, a head-up display is provided, comprising a housing having a receiving cavity; a mounting assembly disposed in the receiving cavity and connected to the housing, the mounting assembly having a first mounting groove and a second mounting groove, the first mounting groove being located on one side wall of the receiving cavity and the second mounting groove being located on the opposite side wall of the receiving cavity; a lens assembly disposed within the receiving cavity, the lens assembly including a lens module, a first rotating shaft and a second rotating shaft, the first rotating shaft being disposed on one side of the lens module and the second rotating shaft being disposed on the other side of the lens module, the end of the first rotating shaft facing away from the lens module having an arc-shaped protrusion, the arc-shaped protrusion being at least partially mounted in the first mounting groove, the second rotating shaft being at least partially mounted in the second mounting groove, and the arc-shaped protrusion having surface contact with the first mounting groove and the second rotating shaft having surface contact with the second mounting groove; and a fixing assembly disposed on the mounting assembly, the fixing assembly being used to constrain the first rotating shaft and the second rotating shaft to the mounting assembly.
[0006] In one alternative embodiment, the arcuate protrusion includes a first plane, a second plane, and an arcuate side surface, the two ends of the arcuate side surface being connected to the first plane and the second plane respectively, the arcuate side surface being located between the first plane and the second plane, and the arcuate side surface being convex outward.
[0007] In one alternative embodiment, the mounting assembly includes a first mounting member located on one side wall of the receiving cavity, and a first mounting groove located on the first mounting member; the fixing assembly includes a first limiting member covering the first mounting groove, the first limiting member being detachably connected to the first mounting member, the first limiting member having a first limiting groove recessed therein, the first limiting groove being disposed opposite to the first mounting groove, and the first limiting groove and the first mounting groove enclosing each other to form a first limiting space, and at least a portion of the first rotating shaft being rotatable within the first limiting space.
[0008] In one alternative embodiment, the mounting assembly includes a second mounting member located on the opposite sidewall of the receiving cavity, and a second mounting groove located on the second mounting member; the fixing assembly includes a second limiting member covering the second mounting groove and detachably connected to the second mounting member, the second limiting member having a second limiting groove recessed therein, the second limiting groove being opposite to the second mounting groove, and the second limiting groove and the second mounting groove enclosing each other to form a second limiting space, at least a portion of the second rotating shaft being rotatable within the second limiting space.
[0009] In one alternative embodiment, the first limiting groove is a first arc-shaped groove, the arc-shaped protrusion fits into the first arc-shaped groove and the first mounting groove, and the arc-shaped protrusion on the first rotating shaft can rotate within the first limiting space.
[0010] In an alternative embodiment, the arcuate protrusion cooperates with the first limiting member to restrict the axial movement of the first rotating shaft.
[0011] In an alternative embodiment, the fixing component further includes a first connector that passes through the first limiting member and is connected to the first mounting member, the first connector being used to limit the first limiting member to the first mounting member.
[0012] In an alternative embodiment, the fixing component further includes a second connector that passes through the second limiting member and is connected to the second mounting member, the second connector being used to limit the second limiting member to the second mounting member.
[0013] In one alternative embodiment, the first rotating shaft includes a first column and a drum-shaped body connected to the first column. The first column is cylindrical and extends from one side of the lens module. The drum-shaped body is located at one end of the first column opposite to the lens module and is rotatably inserted into the first limiting space. The second rotating shaft includes a second column, which is cylindrical and extends from the other side of the lens module. The second column is rotatably inserted into the second limiting space.
[0014] In one alternative embodiment, the front end face of the lens module is arc-shaped, and the rear end face of the lens module is further provided with reinforcing ribs.
[0015] In one alternative embodiment, the head-up display further includes an image generation unit housed within the receiving cavity, the image generation unit being used to emit light toward the lens assembly.
[0016] According to another aspect of the present invention, a means of transportation is provided, including a head-up display as described above.
[0017] The beneficial effects of this utility model embodiment are as follows: Unlike the prior art, this utility model embodiment includes a housing, a mounting assembly, a lens assembly, and a fixing assembly. The housing has a receiving cavity, the mounting assembly is disposed within the receiving cavity and connected to the housing, and the mounting assembly has a first mounting groove and a second mounting groove. The first mounting groove is located on one side wall of the receiving cavity, and the second mounting groove is located on the opposite side wall of the receiving cavity. The lens assembly is disposed within the receiving cavity and includes a lens module, a first rotating shaft, and a second rotating shaft. The first rotating shaft is disposed on one side of the lens module, and the second rotating shaft is disposed on the other side of the lens module. An arc-shaped protrusion is provided at the end of the first rotating shaft facing away from the lens module, and the arc-shaped protrusion is at least partially installed within the first mounting groove. The second rotating shaft... A small portion of the first and second rotating shafts are installed in the second mounting groove, and the arc-shaped protrusion is in surface contact with the first mounting groove. The second rotating shaft is in surface contact with the second mounting groove. A fixing component is disposed on the mounting component, which is used to constrain the first and second rotating shafts to the mounting component. Compared with the point contact method between the ball-shaped rotating shaft and the V-groove in the related technology, the first rotating shaft in this application is provided with an arc-shaped protrusion, and the arc-shaped protrusion is in surface contact with the mounting groove. This configuration can increase the contact area between the rotating shaft and the mounting groove, thereby reducing the local pressure and thus reducing the wear between the rotating shaft and the mounting groove. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the specific embodiments of this utility model or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.
[0019] Figure 1 This is a structural block diagram of a head-up display according to one embodiment of the present invention;
[0020] Figure 2 This is a schematic diagram of the overall structure of the head-up display according to an embodiment of the present invention from an angle.
[0021] Figure 3 This is another schematic diagram of the overall structure of the head-up display according to an embodiment of this utility model;
[0022] Figure 4 This is an exploded view of the overall structure of the head-up display according to an embodiment of the present invention.
[0023] Figure 5 This is an exploded view of the overall structure of the head-up display according to an embodiment of the present invention from another angle;
[0024] Figure 6 yes Figure 5 Enlarged schematic diagram of the structure at point A in the middle. Detailed Implementation
[0025] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.
[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.
[0027] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0028] In related technologies, the pivot on a large lens is usually set as a ball-shaped pivot, and the mounting groove is usually set as a V-shaped groove. The ball-shaped pivot and the V-shaped groove are in point contact, which can easily cause severe wear of the pivot.
[0029] To address the aforementioned problems, the inventor provides a heads-up display 1000, please refer to [link / reference]. Figure 1 and Figure 2 The head-up display 1000 includes a housing 10, a mounting assembly 20, a lens assembly 30, and a fixing assembly 40. The mounting assembly 20, lens assembly 30, and fixing assembly 40 are all disposed within the housing 10. The lens assembly 30 is rotatable relative to the housing 10. The mounting assembly 20 is used for mounting the lens assembly 30, and the fixing assembly 40 is used to fix the lens assembly 30 relatively to the mounting assembly 20.
[0030] In some embodiments, the head-up display 1000 further includes an image generation unit 50, a control board 60, and a drive assembly 70. The image generation unit 50, the control board 60, and the drive assembly 70 are all housed in the receiving cavity 10a of the housing 10. The image generation unit 50 and the drive assembly 70 are both connected to the control board 60. The drive assembly 70 is drively connected to the lens assembly 30. The drive assembly 70 is used to drive the lens assembly 30 to rotate relative to the housing 10. The image generation unit 50 is used to emit light to the lens assembly 30. The control board 60 is used to control the operation of the drive assembly 70.
[0031] Regarding the aforementioned housing 10, mounting assembly 20, and lens assembly 30, as Figures 2-4 As shown, the housing 10 has a receiving cavity 10a, and the mounting assembly 20 and lens assembly 30 are disposed within the receiving cavity 10a. The mounting assembly 20 is connected to the housing 10. The housing 10 is formed by a base plate 101 and a plurality of side plates 102, which serves as the mounting base for the head-up display 1000 to facilitate the mounting of the lens assembly 30. The mounting assembly 20 has a mounting groove communicating with the receiving cavity 10a, and the mounting groove is used to mount the lens assembly 30.
[0032] In some embodiments, the mounting assembly 20 includes a first mounting member 201 located on one side wall of the receiving cavity 10a, and a first mounting groove 201a located on the first mounting member 201. It is understood that the first mounting member 201 may extend from the inner wall of the housing 10, and the first mounting member 201 may be integrally formed with the housing 10; alternatively, the first mounting member 201 may be detachably connected to the housing 10. No specific limitations are specified in this application.
[0033] In some embodiments, the mounting assembly 20 includes a second mounting member 202 located on the opposite sidewall of the receiving cavity 10a, and a second mounting groove 202a located on the second mounting member 202. Similarly, it can be understood that the first mounting member 201 may extend from the inner wall of the housing 10, and the first mounting member 201 may be integrally formed with the housing 10, or the first mounting member 201 may be detachably connected with the housing 10; no specific limitation is made in this application.
[0034] In some embodiments, the mounting assembly is provided with a first mounting groove 201a and a second mounting groove 202a. The first mounting groove 201a is located on one side wall of the receiving cavity 10a, and the second mounting groove 202a is located on the other opposite side wall of the receiving cavity 10a. Both the first mounting groove 201a and the second mounting groove 202a are used to mount the lens assembly 30.
[0035] In some embodiments, the lens assembly 30 includes a lens module 301, a first rotating shaft 302, and a second rotating shaft 303. The first rotating shaft 302 is disposed on one side of the lens module 301, and the second rotating shaft 303 is disposed on the other side of the lens module 301. Both the first rotating shaft 302 and the second rotating shaft 303 are rotatably connected to the mounting assembly 20. An arc-shaped protrusion 3021 is provided at the end of the first rotating shaft 302 facing away from the lens module 301. The arc-shaped protrusion 3021 is at least partially mounted in the first mounting groove 20. Within 1a, the second rotating shaft 303 is at least partially installed in the second mounting groove 202a, and the arc-shaped protrusion 3021 is in surface contact with the first mounting groove 201a, and the second rotating shaft 303 is in surface contact with the second mounting groove 202a. This arrangement can increase the contact area between the first rotating shaft 302 and the first mounting groove 201a, and also increase the contact area between the second rotating shaft 303 and the second mounting groove 202a, thereby reducing the local pressure and thus reducing the wear between the rotating shaft and the mounting groove.
[0036] It should be noted that when the first rotating shaft 302 is provided with an arc-shaped protrusion 3021, since the first rotating shaft 302 is installed in the first mounting groove 201a, the arc-shaped protrusion 3021 and the first mounting groove 201a are in surface contact.
[0037] In some embodiments, please refer to the following: Figure 5 and Figure 6 The arc-shaped protrusion 3021 includes a first plane 3021a, a second plane 3021b, and an arc-shaped side 3021c. The two ends of the arc-shaped side 3021c are respectively connected to the first plane 3021a and the second plane 3021b. The arc-shaped side 3021c is located between the first plane 3021a and the second plane 3021b, and the arc-shaped side 3021c is convex outward.
[0038] The lens module 301 is used to reflect light for optical imaging. It is understood that in some embodiments of this application, only one set of mounting components 20 and fixing components 40 is needed to connect one of the rotating parts (first rotating shaft 302), while the other rotating part (second rotating shaft 303) can still be inserted into the through hole on the housing 10, thereby reducing the impact of tolerances on the installation of the lens module 301.
[0039] In some embodiments, the lens module 301 includes a lens support frame 301a and a lens body 301b. The lens body 301b is disposed on the lens support frame 301a. The lens body 301b and the lens support frame 301a are detachably connected. Alternatively, the lens body 301b and the lens support frame 301a are integrally formed.
[0040] Regarding the lens assembly 30, it is worth noting that the lens module 301 within the lens assembly 30 includes a lens body 301b, which can be integrally molded or manufactured and installed separately, and a lens support frame 301a. The lens body 301b serves as the main optical component, while the lens support frame 301a protects and mounts the lens. The first rotating shaft 302 and the second rotating shaft 303 are both mounted on the lens support frame 301a. It can be understood that the first rotating shaft 302 and the second rotating shaft 303 can be independent rotating shafts passing through the lens support frame 301a, or independent rotating shafts located on both sides of the lens support frame 301a, or shafts directly molded onto the lens support frame 301a.
[0041] In some embodiments, the front end face of the lens module 301 is an arc-shaped surface 3011, which can expand the field of view for displaying information.
[0042] In some embodiments, the rear end face of the lens module 301 is further provided with a reinforcing rib 3012, which can significantly enhance the structural strength and rigidity of the rear end face of the lens module 301. During vehicle operation, the head-up display 1000 may be subjected to various external forces, such as vibration and impact. The reinforcing rib 3012 can effectively disperse and absorb these forces, reducing the risk of deformation or damage to the lens module 301 due to external forces. It should be noted that the front end face of the lens module 301 refers to the side facing the human field of vision, and the rear end face of the lens module 301 refers to the side facing away from the human field of vision.
[0043] For the aforementioned fixing component 40, such as Figure 2As shown, the fixing component 40 is disposed on the mounting component 20, and the fixing component 40 is used to limit the first rotating shaft 302 and the second rotating shaft 303 to the mounting component 20. Specifically, the fixing component 40 includes a first limiting member 401, a second limiting member 402, a first connecting member 403, and a second connecting member 404. The first limiting member 401 covers the first mounting groove 201a and is detachably connected to the first mounting component 201 through the first connecting member 403. The second limiting member 402 covers the second mounting groove 202a and is detachably connected to the second mounting component 202 through the second connecting member 404. The first connecting member 403 passes through the first limiting member 401 and connects to the first mounting member 201, thereby limiting the first limiting member 401 to the first mounting member 201. The second connecting member 404 passes through the second limiting member 402 and connects to the second mounting member 202, thereby limiting the second limiting member 402 to the second mounting member 202. It is understood that the first connecting member 403 and the second connecting member 404 can be screws, and the detachable connection methods between the first limiting member 401 and the first mounting member 201, and between the second limiting member 402 and the second mounting member 202, include, but are not limited to, screw connections, threaded connections, rivet connections, snap-fit connections, etc.
[0044] In some embodiments, the first limiting member 401 has a first limiting groove 401a recessed therein, the first limiting groove 401a is disposed opposite to the first mounting groove 201a, and the first limiting groove 401a and the first mounting groove 201a enclose to form a first limiting space, and at least a portion of the first rotating shaft 302 can rotate within the first limiting space.
[0045] In some embodiments, the first limiting groove 401a is a first arc-shaped groove, and the arc-shaped protrusion 3021 fits into the first limiting groove 401a and the first mounting groove 201a, and the arc-shaped protrusion 3021 can rotate within the first limiting space. The first limiting space can limit the arc-shaped protrusion 3021 and reduce the radial movement of the arc-shaped protrusion 3021.
[0046] In some embodiments, the arc-shaped protrusion 3021 cooperates with the first limiting member 401 to restrict the axial movement of the first rotating shaft 302. Since the first limiting member 401 is provided with a first limiting groove 401a, the first limiting groove 401a can cover the outer surface of the arc-shaped protrusion 3021, thereby reducing the radial and axial movement of the arc-shaped protrusion 3021.
[0047] In some embodiments, please refer to the following: Figure 5The second limiting member 402 has a recessed second limiting groove 402a, which is disposed opposite to the second mounting groove 202a, and the second limiting groove 402a and the second mounting groove 202a enclose a second limiting space, and at least a part of the second rotating shaft 303 can rotate within the second limiting space.
[0048] In some embodiments, a portion of the second rotating shaft 303 is fitted into the second limiting groove 402a and the second mounting groove 202a, and the second rotating shaft 303 can rotate within the second limiting space. The second limiting space can limit the second rotating shaft 303, reducing radial movement of the second rotating shaft 303.
[0049] In some embodiments, the first rotating shaft 302 includes a first column (not shown) and a drum-shaped body (not shown) connected to the first column. The first column is cylindrical and extends from one side of the lens module 301. The drum-shaped body is located at the end of the first column opposite to the lens module 301, and the drum-shaped body is rotatably inserted into the first limiting space. The drum-shaped body can rotate within the first limiting space, and under the cooperation of the first limiting member 401, the radial and axial movement of the first rotating shaft 302 is reduced. Optionally, the drum-shaped body is the aforementioned arc-shaped protrusion 3021.
[0050] Understandably, a drum-shaped body includes a truncated ellipsoid, which is an ellipsoid cut along its major axis by two parallel planes, and the remaining part after cutting off both ends is the truncated ellipsoid.
[0051] This utility model also provides an embodiment of a means of transportation, which includes the head-up display 1000 as described above. The functions and structure of the head-up display 1000 can be found in the above embodiments, and will not be repeated here.
[0052] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A head-up display, characterized by, include: The housing has a receiving cavity; An installation component is disposed in the receiving cavity and connected to the housing. The installation component is provided with a first installation groove and a second installation groove. The first installation groove is located on one side wall of the receiving cavity, and the second installation groove is located on the other opposite side wall of the receiving cavity. A lens assembly is disposed within the receiving cavity. The lens assembly includes a lens module, a first rotating shaft, and a second rotating shaft. The first rotating shaft is disposed on one side of the lens module, and the second rotating shaft is disposed on the other side of the lens module. An arc-shaped protrusion is provided at the end of the first rotating shaft facing away from the lens module. The arc-shaped protrusion is at least partially installed in the first mounting groove, and the second rotating shaft is at least partially installed in the second mounting groove. The arc-shaped protrusion is in surface contact with the first mounting groove, and the second rotating shaft is in surface contact with the second mounting groove. A fixing component is disposed on the mounting component, the fixing component being used to constrain the first rotating shaft and the second rotating shaft to the mounting component.
2. The head-up display according to claim 1, characterized in that, The arc-shaped protrusion includes a first plane, a second plane, and an arc-shaped side surface. The two ends of the arc-shaped side surface are respectively connected to the first plane and the second plane. The arc-shaped side surface is located between the first plane and the second plane, and the arc-shaped side surface is convex outward.
3. The head-up display according to claim 1, characterized in that, The mounting assembly includes a first mounting member located on one side wall of the receiving cavity, and a first mounting groove located on the first mounting member; The fixing component includes a first limiting member, which covers the first mounting groove and is detachably connected to the first mounting member. The first limiting member has a first limiting groove recessed on it. The first limiting groove is disposed opposite to the first mounting groove, and the first limiting groove and the first mounting groove enclose a first limiting space. At least a portion of the first rotating shaft can rotate within the first limiting space.
4. The head-up display of claim 3, wherein, The mounting assembly includes a second mounting member located on another opposite sidewall of the receiving cavity, and a second mounting groove located on the second mounting member; The fixing component includes a second limiting member, which covers the second mounting groove and is detachably connected to the second mounting member. The second limiting member has a second limiting groove recessed on it. The second limiting groove is disposed opposite to the second mounting groove, and the second limiting groove and the second mounting groove enclose a second limiting space. At least a portion of the second rotating shaft can rotate within the second limiting space.
5. The head-up display according to claim 3, characterized in that, The first limiting groove is a first arc-shaped groove, the arc-shaped protrusion fits into the first arc-shaped groove and the first mounting groove, and the arc-shaped protrusion on the first rotating shaft can rotate within the first limiting space.
6. The head-up display according to claim 3, characterized in that, The arc-shaped protrusion cooperates with the first limiting member to restrict the axial movement of the first rotating shaft.
7. The head-up display according to claim 4, characterized in that, The fixing component further includes a second connector, which passes through the second limiting member and is connected to the second mounting member. The second connector is used to limit the second limiting member to the second mounting member.
8. The head-up display according to claim 4, characterized in that, The first rotating shaft includes a first column and a drum-shaped body connected to the first column. The first column is cylindrical and extends from one side of the lens module. The drum-shaped body is located at the end of the first column away from the lens module. The drum-shaped body can be rotatably inserted into the first limiting space. The second rotating shaft includes a second column, which is cylindrical and extends from the other side of the lens module. The second column is rotatably inserted into the second limiting space.
9. The head-up display according to claim 1, characterized in that, The head-up display also includes an image generation unit housed in the receiving cavity, the image generation unit being used to emit light toward the lens assembly.
10. A means of transportation, characterized in that, Including the head-up display as described in any one of claims 1-9.