Vehicle-mounted projection device and vehicle

Abstract

The embodiment of the utility model relates to the technical field of projection equipment, and particularly discloses a vehicle-mounted projection device and a vehicle. The vehicle-mounted projection device comprises a shell and a lens assembly. The shell comprises a shell body, an installation assembly and a fixing assembly, the installation assembly is installed on the shell body, the fixing assembly is detachably installed on the installation assembly, and the fixing assembly and the installation assembly jointly define a limiting space. The lens assembly comprises a lens module and rotating parts, the rotating parts are arranged on the two sides of the lens module, at least one rotating part is inserted and fixed in the limiting space, and the lens module can rotate around the axis of the rotating part. By means of the structure, the rotating piece can rotate in the limiting space, the limiting space formed by combining the installation assembly and the fixing assembly is not affected by tolerance when the shell is integrally formed, the connecting stability between the limiting space and the rotating piece is improved, and then the imaging effect is improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of vehicle-mounted projection equipment, and in particular to a vehicle-mounted projection device and a vehicle. Background Art

[0002] A vehicle-mounted projection device, also known as a projector, is a device that can project images or videos onto the vehicle windshield and can display a variety of vehicle information, road conditions information and other video signals.

[0003] During the development of this application, the inventors discovered that current in-vehicle projectors include a base and a lens. The base is provided with opposing through-holes, and the lens is provided with a ball head rotation axis, one on each side of the lens and extending through the through-hole. This structure presents the following technical issues: the ball head rotation axis causes severe wear, and the linear contact between the rotation axis and the base results in significant wear, which affects the imaging quality of the in-vehicle projection device. Utility Model Content

[0004] The main technical problem solved by the embodiments of the present application is to provide a vehicle-mounted projection device and a vehicle, which can improve the current phenomenon that the installation accuracy of the projector is affected by the tolerance of the two through holes, and the structural strength of the projector is low, which affects the image presentation.

[0005] To solve the above-mentioned technical problems, the present application adopts a technical solution: providing an in-vehicle projection device. The in-vehicle projection device includes a housing and a lens assembly. The housing includes a shell, a mounting assembly, and a fixing assembly. The mounting assembly is mounted on the shell, and the fixing assembly is removably mounted on the mounting assembly. The fixing assembly and the mounting assembly together enclose a confined space. The lens assembly includes a lens module and a rotating member. The rotating members are disposed on both sides of the lens module. At least one rotating member is plugged into and fixed to the confined space. The lens module is rotatable about the axis of the rotating member.

[0006] Optionally, the housing has a mounting surface, and the mounting assembly is mounted on the mounting surface. The mounting assembly includes a first mounting seat, which is provided with a first portion, a second portion, and a third portion connected in sequence in an arc shape. The distance between the first portion and the mounting surface is equal to the distance between the third portion and the mounting surface. The distance between the second portion and the mounting surface is smaller than the distance between the first portion and the mounting surface. The outer contour of the rotating member is adapted to match the first portion, the second portion, and the third portion.

[0007] Optionally, the mounting assembly includes a second mounting base, the second mounting base being provided with a fourth portion, a fifth portion, and a sixth portion connected in sequence; the fourth portion, the fifth portion, and the sixth portion are all planar, the distance between an end of the fourth portion remote from the fifth portion and the mounting surface is greater than the distance between an end of the fourth portion closer to the fifth portion and the mounting surface; the distance between an end of the sixth portion remote from the fifth portion and the mounting surface is greater than the distance between an end of the sixth portion closer to the fifth portion and the mounting surface. The outer contour of the rotating member is tangent to the fourth portion, the fifth portion, and the sixth portion.

[0008] Optionally, the housing has two limiting spaces, and the mounting assembly satisfies one of the following conditions: a) the mounting assembly is provided with two first mounting seats; b) the mounting assembly is provided with two second mounting seats; c) the mounting assembly is provided with one first mounting seat and one second mounting seat.

[0009] Optionally, the vehicle-mounted projection device further includes a locking member, the housing further includes a mounting portion and a mounting surface; the mounting portion extends from the second mounting seat; and / or the mounting portion extends from the mounting surface. The locking member passes through the fixing assembly and is plugged into the mounting portion.

[0010] Optionally, the shell is further provided with a bearing portion and a clearance space, the bearing portion is recessed in the shell and forms a clearance space on the side of the shell away from the lens assembly, the bearing portion is used to set the mounting portion, the first mounting seat and the second mounting seat, and the clearance space is used to avoid structures outside the vehicle-mounted projection device.

[0011] Optionally, the fixing assembly includes a first elastic member, which is arranged relative to the bottom surface of the housing, and the first elastic member and the mounting assembly together form the limiting space.

[0012] Optionally, the rotating member includes a first cylinder, the first cylinder being cylindrical and protruding relative to the lens module, and the first cylinder being rotatably inserted into the limiting space. The rotating member also includes a second cylinder, the second cylinder being cylindrical and protruding relative to the lens module, and the second cylinder being rotatably inserted into the limiting space, and the second cylinder being further provided with a second limiting groove, the second limiting groove being configured to rotatably engage with the mounting assembly and / or the fixing assembly.

[0013] Optionally, the rotating member satisfies at least one of the following conditions: d) the rotating member includes a first cylinder and a second cylinder, and are respectively arranged on both sides of the lens module; e) the rotating member includes two second cylinders, and are respectively arranged on both sides of the lens module.

[0014] To solve the above technical problem, another technical solution adopted by the present application is to provide a vehicle comprising the above vehicle-mounted projection device.

[0015] The beneficial effect of the embodiment of the present application is that, different from the prior art, the embodiment of the present application provides a vehicle-mounted projection device. The vehicle-mounted projection device includes a housing and a lens assembly. The housing includes a shell, a mounting assembly and a fixing assembly, the mounting assembly is mounted on the shell, the fixing assembly is detachably mounted on the mounting assembly, and the fixing assembly and the mounting assembly together form a limited space. The lens assembly includes a lens module and a rotating member, the rotating member is arranged on both sides of the lens module, at least one of the rotating members is plugged and fixed in the limited space, and the lens module can rotate around the axis of the rotating member. Through the above structure, the rotating member can rotate within the limited space, and the limited space formed by the combination of the mounting assembly and the fixing assembly will not be affected by the tolerance when the housing is integrally formed, so as to improve the connection stability between the limited space and the rotating member, thereby improving the imaging effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without creative work.

[0017] Figure 1 is a three-dimensional diagram of a vehicle-mounted projection device provided in one embodiment of the present application;

[0018] Figure 2 This is an exploded view of a vehicle-mounted projection device provided in one embodiment of the present application;

[0019] Figure 3 is a partial perspective view of a housing provided in one embodiment of the present application;

[0020] Figure 4 This application provides Figure 3 A magnified view of part A;

[0021] Figure 5 is a three-dimensional diagram of a lens assembly provided in one embodiment of the present application;

[0022] Figure 6 It is a three-dimensional diagram of a second elastic member provided in one embodiment of the present application.

[0023] The reference numerals are as follows:

[0024] Car projection device 1000 Part 5 1222 shell 100 Part 6 1223 case 110 Fixed components 130 Mounting surface 111 first elastic member 131 Installation Department 112 Second elastic member 132 load-bearing part 113 The first limiting groove 1321 Make room 114 Limited space 140 Installing Components 120 lens components 200 First mount 121 lens module 210 Part 1 1211 Rotating parts 220 Part 2 1212 First column 221 Part 3 1213 The second column 222 Second mount 122 The second limiting groove 2221 Part 4 1221 Locking parts 300 DETAILED DESCRIPTION

[0025] In order to facilitate understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. 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 meanings as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification and in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the relevant listed items.

[0027] Currently, projection equipment offers advantages over display screens, such as greater portability and smaller footprint. Projection equipment is used in a variety of applications, including indoor and outdoor projection, and in-vehicle projection. In-vehicle projection, an image is projected onto the windshield using a projection engine. A reflector is typically placed in the light path between the projection engine and the windshield. Because users of different heights have varying viewing requirements, a rotating reflector adjustment device is required to adjust the position of the reflector within the vehicle projection system to accommodate the varying visual fields of users of varying heights. Traditional projectors insert the optical imaging components into a housing with a through-hole. However, existing structures in the background art present the following technical issues: The ball head's rotating shaft causes severe wear, and the linear contact between the shaft and the base results in significant wear. The split base is prone to dimensional tolerances, which can also lead to installation tolerances, impacting the imaging quality of the vehicle projection system. Furthermore, limit springs are required on both sides of the ball head's rotating shaft, complicating the installation process.

[0028] Based on the above technical problems, the inventor provides a vehicle-mounted projection device 1000, see Figure 1 and Figure 2The vehicle-mounted projection device 1000 includes a housing 100 and a lens assembly 200. The housing 100 includes a shell 110, a mounting assembly 120, and a fixing assembly 130. The mounting assembly 120 is mounted on the housing 110, and the fixing assembly 130 is removably mounted on the mounting assembly 120. The fixing assembly 130 and the mounting assembly 120 together define a confined space 140. The lens assembly 200 includes a lens module 210 and a rotating member 220. The rotating members 220 are disposed on either side of the lens module 210. At least one rotating member 220 is plugged into and fixed to the confined space 140, and the lens module 210 is rotatable about the axis of the rotating member 220. This structure allows the rotating member 220 to rotate within the confined space 140. Furthermore, the confined space 140 formed by the mounting assembly 120 and the fixing assembly 130 is not affected by tolerances during the integral molding of the housing 100, thereby improving the connection stability between the confined space 140 and the rotating member 220, thereby enhancing the imaging effect.

[0029] Please also refer to Figure 3 The housing 110 is formed by a bottom plate and a plurality of side plates. It serves as the mounting base of the vehicle-mounted projection device 100, facilitating the installation of the lens module 210. The lens module 210 is used to refract light and thereby perform optical imaging. It is understood that in some embodiments of the present application, only a set of mounting components 120 and fixing components 130 need to be provided to connect one of the rotating members 220, while the other rotating member 220 can still be plugged into the through hole on the housing 100. This can reduce the impact of tolerance on the installation of the lens module 210, improve the connection stability between the limiting space 140 and the rotating member 220, and thus improve the imaging effect.

[0030] Regarding the lens assembly 200, it is necessary to further explain that the lens module 210 in the lens assembly 200 includes a lens and a lens holder, which can be integrally formed or separately manufactured and installed. The lens serves as the primary optical component, while the lens holder serves to protect and mount the lens. The rotating member 220 is mounted on the lens holder. It is understood that the rotating member 220 can be an independent rotating shaft that extends through the lens holder, an independent rotating shaft disposed on both sides of the lens holder, or a shaft directly formed on the lens holder.

[0031] In order to further reduce the impact of tolerance on the vehicle-mounted projection device 1000, the present application also provides the following technical solutions.

[0032] In some embodiments, see Figure 3 and Figure 4, and in conjunction with other figures, the housing 110 has a mounting surface 111, and the mounting assembly 120 is mounted on the mounting surface 111. The mounting assembly 120 includes a first mounting seat 121, which is provided with a first portion 1211, a second portion 1212, and a third portion 1213 connected in sequence in an arc shape; the distance between the first portion 1211 and the mounting surface 111 is equal to the distance between the third portion 1213 and the mounting surface 111; and the distance between the second portion 1212 and the mounting surface 111 is smaller than the distance between the first portion 1211 and the mounting surface 111. The outer contour of the rotating member 220 is adapted to the first portion 1211, the second portion 1212, and the third portion 1213. Here, "adapted" means that the outer contour of the rotating member 220 is similar to the contours of the first portion 1211, the second portion 1212, and the third portion 1213, such as curved surfaces that fit together and can rotate relative to each other. It is understandable that, since the first mounting seat 121 is in an arc shape and the second portion 1212 is closer to the mounting surface 111 than the first portion 1211 and the third portion 1213, it is convenient for the rotating member 220 to be installed in the limiting space 140, and the arc shape design can facilitate the rotation of the rotating member 220. It is worth mentioning that, in combination with Figure 4 As can be seen, the arc-shaped ends of the first mounting seat 121 have chamfered structures. Optionally, the contact surfaces of the limiting space 140 and the rotating member 220 can also be configured as meshing tooth structures. This allows the lens module 210 to be positioned at different pitch angles when rotating around the rotating member 220, thereby increasing the stability of the lens module 210 after the angle is adjusted. It is understood that the sequentially connected first portion 1211, second portion 1212, and third portion 1213 can also limit the radial movement of the rotating member 220, preventing the rotating member 220 from escaping from the first mounting seat 121.

[0033] Furthermore, the housing 100 has two limited spaces 140, and the mounting assembly 120 is provided with two first mounting seats 121. Specifically, each of the rotating members 220 on either side is provided with a first mounting seat 121, allowing the lens module 210 to be completely separated from the through-holes on the side panels of the housing 110, thereby further reducing the impact of tolerances on the vehicle-mounted projection device 1000.

[0034] In other embodiments, see Figure 3 and Figure 4In conjunction with other figures, the mounting assembly 120 includes a second mounting base 122, which is provided with a fourth portion 1221, a fifth portion 1222, and a sixth portion 1223 connected in sequence. The fourth portion 1221, the fifth portion 1222, and the sixth portion 1223 are all planar. The distance between the end of the fourth portion 1221 away from the fifth portion 1222 and the mounting surface 111 is greater than the distance between the end of the fourth portion 1221 closer to the fifth portion 1222 and the mounting surface 111. The distance between the end of the sixth portion 1223 away from the fifth portion 1222 and the mounting surface 111 is greater than the distance between the end of the sixth portion 1223 closer to the fifth portion 1222 and the mounting surface 111. The outer contour of the rotating member 220 is tangent to the fourth portion 1221, the fifth portion 1222, and the sixth portion 1223. It will be appreciated that the second mounting seat 122 is V-shaped with a flat bottom, and the fifth portion 1222 is closer to the base plate than the fourth portion 1221 and the sixth portion 1223, facilitating the installation of the rotating member 220 within the confining space 140. The "V-shaped with a flat bottom" design refers to the fifth portion 1222 being flat relative to the mounting surface 111, and the fourth portion 1221 and the sixth portion 1223 both being at equal angles to the fifth portion 1222. This improves structural stability, reduces the contact area between the rotating member 220 and the second mounting seat 122, and thereby reduces friction, thereby facilitating the rotation of the lens module 210. Optionally, the contact surface between the confining space 140 and the rotating member 220 may also include a raised structure, allowing the lens module 210 to be positioned at different pitch angles during rotation about the rotating member 220, thereby increasing the stability of the lens module 210 after adjustment. It is understandable that the fourth portion 1221 , the fifth portion 1222 and the sixth portion 1223 connected in sequence can also limit the movement of the rotating member 220 in its radial direction, thereby preventing the rotating member 220 from escaping from the second mounting seat 122 .

[0035] Further, see Figure 3 and Figure 4 In conjunction with other figures, the housing 100 has two limited spaces 140, and the mounting assembly 120 is provided with two second mounting seats 122. Specifically, each of the rotating members 220 is provided with a second mounting seat 122, allowing the lens module 210 to be completely separated from the through-holes on the side panels of the housing 110, thereby further reducing the impact of tolerances on the vehicle-mounted projection device 1000.

[0036] In the embodiment of the present application, the mounting assembly 120 includes a first mounting seat 121 and a second mounting seat 122. The curved surface design of the first mounting seat 121 allows its semi-circular groove to limit the movement of the rotating member 220 in its radial direction, and the rotating member 220 and the first mounting seat 121 are in surface contact, thereby improving the rotational stability of the lens module 210; while the "V"-shaped wedge groove of the second mounting seat 122 located on the other side can limit the movement of the rotating member 220 in its radial direction, and the rotating member 220 and the second mounting seat 122 are in point contact, thereby reducing the wear on the rotating member 220. The "V-shaped wedge groove" means that the fourth part 1221 and the sixth part 1223 are arranged at a "V"-shaped angle. Preferably, the first mounting seat 121 and the second mounting seat 122 are both integrally formed on the housing 110, thereby reducing the complexity of the installation process and facilitating mass production.

[0037] For the above-mentioned fixing assembly 130, see Figure 2 and Figure 6 , and in conjunction with other figures, the fixing assembly 130 includes a first elastic member 131, which is disposed relative to the bottom surface of the housing 100 to jointly clamp the rotating member 220. The first elastic member 131 and the mounting assembly 120 together form a limiting space 140.

[0038] In some embodiments, the fixing assembly 130 further includes a second elastic member 132. The second elastic member 132 is provided with a first limiting groove 1321. The first limiting groove 1321 is concave inwardly facing away from the bottom surface of the housing 100. The first limiting groove 1321 and the mounting assembly 120 together form a limiting space 140. It is understood that the elastic member in this application is a plate-like structure with elasticity and recoverable deformation. When the fixing assembly 130 is the first elastic member 131, the flat-plate-shaped first elastic member 131 and the first portion 1211, the second portion 1212, and the third portion 1213 jointly clamp the rotating member 220. Alternatively, the first elastic member 131 and the fourth portion 1221, the fifth portion 1222, and the sixth portion 1223 jointly clamp the rotating member 220.

[0039] In some embodiments, when the fixing component 130 is a second elastic member 132, the first limiting groove 1321 can be a thin structure in the middle and thick at both ends, or a similar "Ω"-shaped structure, that is, the fifth portion 1222 is a convex structure, thereby reducing the distance between the ends of the second elastic member 132 and the fourth portion 1221 and the sixth portion 1223, thereby achieving the effect of improving structural stability. Optionally, in the same embodiment, it can include two first elastic members 131, or two second elastic members 132, or a first elastic member 131 and a second elastic member 132.

[0040] For the above-mentioned rotating member 220, please refer to Figure 6 In conjunction with other figures, the rotating member 220 includes a first cylinder 221. The first cylinder 221 is cylindrical and protrudes from the lens module 210. Two first cylinders 221 are disposed on opposite sides of the lens module 210, and one first cylinder 221 is rotatably inserted into a limiting space 140. In other words, the cylindrical structure of the first cylinder 221 facilitates rotation. It is understood that a bearing or motor, such as a structure that drives the lens module 210 to rotate, may be further disposed between the first cylinder 221 and the limiting space 140.

[0041] In other embodiments, see Figure 6 In conjunction with other figures, the rotating member 220 includes a second cylinder 222. The second cylinder 222 is cylindrical and protrudes from the lens module 210. Two second cylinders 222 are disposed on opposite sides of the lens module 210. One second cylinder 222 is rotatably inserted into a limiting space 140. The second cylinder 222 is also provided with a second limiting groove 2221, which is configured to rotatably engage with the mounting assembly 120 and / or the fixing assembly 130. The second limiting groove 2221 of the second cylinder 222 can cooperate with the second mounting seat 122, thereby limiting its axial movement. The provision of the concave second limiting groove 2221 can reduce the distance between the lens module 210 and the bottom plate of the housing 110. It can also further limit the movement of the lens module 210 in the axial direction of the second cylinder 222, thereby reducing the deviation of the lens module 210 during vehicle operation and improving image quality and clarity.

[0042] It is understandable that the first column 221 or the second column 222 can be alternately matched with the first mounting seat 121, the second mounting seat 122, the first elastic member 131, and the second elastic member 132, for example: a combination of the first column 221, the first mounting seat 121, and the first elastic member 131, or a combination of the first column 221, the first mounting seat 121, and the second elastic member 132, which are not described in detail here. Optionally, the rotating member 220 meets at least one of the following conditions: d) the rotating member 220 includes a first column 221 and a second column 222, which are respectively arranged on both sides of the lens module 210; e) the rotating member 220 includes two second columns 221, which are respectively arranged on both sides of the lens module 210.

[0043] In the examples of this application, please refer to Figure 2In conjunction with other figures, the vehicle-mounted projection device 1000 further includes a locking member 300. The housing 110 is further provided with a mounting portion 112 and a mounting surface 111. The mounting portion 112 extends from the second mounting seat 122 and / or extends from the mounting surface 111. The locking member 300 passes through the fixing assembly 130 and is inserted into the mounting portion 112. Specifically, the locking member 300 passes through the first elastic member 131 or the second elastic member 132 and is fixed to the mounting portion 112. It is understood that when installing the lens module 210, the removable locking member 300 can be installed on the mounting assembly 120, the fixing assembly 130 is fastened to the rotating member 220, and finally locked with the locking member 300, thereby reducing the impact of component tolerances on the installation of the lens module 210. The design of the mounting portion 112 is to increase the contact area between the housing 110 and the locking member 300, thereby improving installation stability. Optionally, the locking member 300 includes a locking structure such as a bolt or a buckle.

[0044] Furthermore, the shell 100 is also provided with a bearing portion 113 and a clearance space 114. The bearing portion 113 is recessed inwardly from the shell 100 and forms the clearance space 114 on the outer side of the shell 100 away from the lens assembly 200. The bearing portion 113 is used to set the mounting portion 112, the first mounting seat 121 and the second mounting seat 122. The clearance space 114 is used to avoid structures outside the vehicle-mounted projection device 1000, such as the vehicle's driving console, to adapt to the angle design between the vehicle's front windshield and the driving console.

[0045] The present application provides a vehicle-mounted projection device 1000, comprising a housing 100 and a lens assembly 200. The housing 100 comprises a shell 110, a mounting assembly 120, and a fixing assembly 130. The mounting assembly 120 is mounted on the shell 110, and the fixing assembly 130 is removably mounted on the mounting assembly 120. The fixing assembly 130 and the mounting assembly 120 together enclose a confined space 140. The lens assembly 200 comprises a lens module 210 and a rotating member 220. The rotating members 220 are disposed on either side of the lens module 210. At least one rotating member 220 is plugged into and fixed to the confined space 140, and the lens module 210 is rotatable about the axis of the rotating member 220. Through the above structure, the rotating member 220 can rotate within the limited space 140, and the limited space 140 formed by the combination of the installation component 120 and the fixing component 130 will not be affected by the tolerance when the shell 100 is integrally formed, so as to improve the connection stability between the limited space 140 and the rotating member 220, thereby improving the imaging effect.

[0046] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of this application. However, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not intended to be additional limitations on the content of this application. The purpose of providing these embodiments is to make the understanding of the disclosure of this application more thorough and comprehensive. In addition, the above-mentioned technical features can be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the description of this application; further, it is obvious to those skilled in the art that improvements or changes can be made based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. A vehicle-mounted projection device, characterized in that: include: The housing comprises a shell, a mounting assembly and a fixing assembly, wherein the mounting assembly is mounted on the shell, the fixing assembly is detachably mounted on the mounting assembly, and the fixing assembly and the mounting assembly together enclose a limited space; The lens assembly includes a lens module and a rotating member. The rotating member is arranged on both sides of the lens module. At least one rotating member is plugged and fixed in the limiting space. The lens module can rotate around the axis of the rotating member.

2. The vehicle-mounted projection device according to claim 1, wherein: The housing has a mounting surface, and the mounting assembly is mounted on the mounting surface; The mounting assembly includes a first mounting seat, the first mounting seat being provided with a first portion, a second portion, and a third portion connected in sequence in an arc shape; the distance between the first portion and the mounting surface is equal to the distance between the third portion and the mounting surface; and the distance between the second portion and the mounting surface is smaller than the distance between the first portion and the mounting surface; The outer contour of the rotating member is adapted to the first portion, the second portion and the third portion.

3. The vehicle-mounted projection device according to claim 2, wherein: The mounting assembly includes a second mounting base, the second mounting base being provided with a fourth portion, a fifth portion, and a sixth portion connected in sequence; the fourth portion, the fifth portion, and the sixth portion are all planes, the distance between an end of the fourth portion away from the fifth portion and the mounting surface is greater than the distance between an end of the fourth portion close to the fifth portion and the mounting surface; the distance between an end of the sixth portion away from the fifth portion and the mounting surface is greater than the distance between an end of the sixth portion close to the fifth portion and the mounting surface; The outer contour of the rotating member is tangent to the fourth portion, the fifth portion and the sixth portion.

4. The vehicle-mounted projection device according to claim 3, wherein: The housing has two limiting spaces, and the mounting assembly satisfies one of the following conditions: a) the mounting assembly is provided with two first mounting seats; b) the mounting assembly is provided with two second mounting seats; c) The mounting assembly is provided with a first mounting seat and a second mounting seat.

5. The vehicle-mounted projection device according to claim 3, wherein: The vehicle-mounted projection device further includes a locking member, and the housing is further provided with a mounting portion and a mounting surface; The mounting portion extends from the second mounting seat; and / or, The mounting portion extends from the mounting surface; The locking piece passes through the fixing assembly and is inserted into the mounting portion.

6. The vehicle-mounted projection device according to claim 5, characterized in that: The shell is also provided with a bearing portion and a clearance space. The bearing portion is recessed inwardly from the shell and forms a clearance space on the side of the shell away from the lens assembly. The bearing portion is used to set the mounting portion, the first mounting seat and the second mounting seat. The clearance space is used to avoid structures outside the vehicle-mounted projection device.

7. The vehicle-mounted projection device according to any one of claims 1 to 6, characterized in that: The fixing assembly includes a first elastic member, which is arranged relative to the bottom surface of the housing. The first elastic member and the mounting assembly together form the limiting space.

8. The vehicle-mounted projection device according to any one of claims 1 to 6, characterized in that: The rotating member includes a first column, which is cylindrical and protrudes relative to the lens module. The first column can be rotatably inserted into the limited space. The rotating part also includes a second cylinder, which is cylindrical and protrudes relative to the lens module. The second cylinder can be rotatably inserted into a limiting space. The second cylinder is also provided with a second limiting groove, which is used to be rotatably engaged with the mounting component and / or the fixing component.

9. The vehicle-mounted projection device according to claim 8, characterized in that: The rotating member satisfies one of the following conditions: d) the rotating member includes a first cylinder and a second cylinder, and is respectively disposed on both sides of the lens module; e) The rotating member includes two second cylinders, which are respectively arranged on two sides of the lens module.

10. A means of transport, characterized in that: The vehicle-mounted projection device comprises the vehicle-mounted projection device as claimed in any one of claims 1 to 9.

Images