Projection device
By using a support frame to fix the long line in the projector, positioning the limit slot and guide block, and fixing it through adhesive or snap, the problem of collision noise between the line and the internal components is solved, improving the user experience.
Patent Information
- Application Number
- CN202422505799.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The internal structure of the projector is complex and the lines between the components are interlaced, which makes the cables prone to collision with the internal structure and cause noise, affecting the user experience.
The long line is fixed by a support frame, and the positioning is carried out through the limit groove and guide block. Reinforcement ribs are installed on the support frame to enhance stability. The line is fixed by adhesive or snapping to avoid collision with the sound cavity. The support frame and the sound cavity are spaced to reduce the impact of vibration.
The long line is protected to prevent it from colliding with internal components to generate noise, improving the user experience.
Smart Images
Figure CN223180541U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projection devices, and particularly relates to a projection device. Background Art
[0002] With the development of projector technology, the internal structure of high-end projectors has gradually become complex. The selectable space for the installation positions of components is small, and the lines between components are staggered and complex, which is likely to cause structural interference. In particular, when the projector is working, it often generates vibrations with relatively high frequencies due to components such as the internal sound cavity and radiator. For a connection structure with a long cable, the cable is likely to collide with the internal structure of the projector, and it is easy to emit collision noises with relatively high frequencies when the internal structure vibrates, affecting the user experience. Summary of the Utility Model
[0003] To solve the above technical problems, the utility model provides a projection device, which can protect the long cable while preventing the cable from colliding with other internal components to generate noises, improving the user experience.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The utility model discloses a projection device, which includes a bracket, a first component, a second component, a cable and a support frame. The bracket includes a first bracket part and a second bracket part which are spaced apart. The first end of the support frame is fixed to the first bracket part, and the second end of the support frame is fixed to the second bracket part. The first component is fixed on the first bracket part, and the second component is fixed on the second bracket part. The first component and the second component are electrically connected through the cable, and the cable is fixed on the support frame.
[0006] Preferably, a first limiting groove is formed on the first bracket part, and the first end of the support frame is fixed in the first limiting groove; a second limiting groove is formed on the second bracket part, and the end of the second end of the support part is fixed in the second limiting groove.
[0007] Preferably, a first guiding block is arranged in the first limiting groove, a first guiding groove is formed at the first end of the support part, and the first guiding block is clamped into the first guiding groove; a second guiding block is arranged in the second limiting groove, a second guiding groove is formed at the second end of the support part, and the second guiding block is clamped into the second guiding groove.
[0008] Preferably, the support frame is in a plate-like structure, and reinforcing ribs are formed on the support frame along the direction from the first end to the second end.
[0009] Preferably, the flexible cable is fixed on the surface of the support frame by gluing, or a buckle is provided on the surface of the support frame or a card slot is formed, and the flexible cable is buckled on the surface of the support frame through the buckle or the card slot.
[0010] Preferably, the projection device further includes a sound cavity, the sound cavity is fixed on the bracket and located between the first bracket portion and the second bracket portion, and the support frame extends along the surface of the sound cavity and is spaced apart from the sound cavity.
[0011] Preferably, a relief groove is provided on the surface of the sound cavity, and the support frame extends in the relief groove.
[0012] Preferably, the bracket includes a first sub-bracket and a second sub-bracket, the first sub-bracket and the second sub-bracket are detachably connected, an accommodation cavity is formed around between the first sub-bracket and the second sub-bracket, the first bracket portion is located on the first sub-bracket, the second bracket portion is located on the second sub-bracket, and the projection device includes an optical engine, and the optical engine is arranged in the accommodation cavity.
[0013] Preferably, the projection device further includes a housing, at least one of the first sub-bracket and the second sub-bracket is fixed on the inner wall of the housing, the first component is fixedly connected to a side of the first sub-bracket away from the second sub-bracket, and the second component is fixedly connected to a side of the second sub-bracket away from the first sub-bracket.
[0014] Preferably, one end of the flexible cable is separated from the first end of the support frame and connected to the first component, and the other end of the flexible cable is separated from the second end of the support frame and connected to the second component.
[0015] Compared with the prior art, the beneficial effect of the present utility model is that: for the projection device disclosed in the present utility model, the flexible cable with a longer length inside the projection device is fixedly connected to the support portion to protect the flexible cable, and while protecting the long flexible cable, it can also prevent the flexible cable from colliding with other internal components to generate noise, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram of the internal structure of the projection device according to a preferred embodiment of the present utility model;
[0017] Figure 2 is Figure 1 an enlarged schematic view of part A in
[0018] Figure 3 is Figure 1 a schematic diagram of the internal structure of the projection device from another angle in
[0019] Figure 4 is Figure 3 An enlarged schematic view of part B in
[0020] Figure 5 is Figure 1 An exploded schematic view of the projection device in
[0021] Figure 6 is Figure 5 An enlarged schematic view of part C in
[0022] Figure 7 is Figure 1 An exploded schematic view of the interior of the projection device from another angle in
[0023] Figure 8 is Figure 7 An enlarged schematic view of part D in
[0024] Explanation of the reference numerals in the attached drawings:
[0025] 10. Bracket; 101. First sub-bracket; 102. Second sub-bracket;
[0026] 11. First bracket part; 111. First limiting groove; 112. First guiding block;
[0027] 12. Second bracket part; 121. Second limiting groove; 122. Second guiding block;
[0028] 20. First component;
[0029] 30. Second component;
[0030] 40. Flexible cable; 41. Flexible cable head;
[0031] 50. Support frame; 51. First guiding groove; 52. Second guiding groove; 53. Reinforcing rib;
[0032] 60. Sound cavity; 61. Avoidance groove;
[0033] 70. Optical engine. Specific embodiments
[0034] The following provides a detailed description of the embodiments of the present invention. It should be emphasized that the following description is merely exemplary and not intended to limit the scope of the present invention and its applications.
[0035] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on that other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to that other element. Additionally, the connection can be for a fixing function or for a circuit / signal connection function.
[0036] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.
[0037] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present invention, the meaning of "a plurality" is two or more unless otherwise specifically defined.
[0038] As Figures 1 to 4 shown, a preferred embodiment of the present invention discloses a projection device, which includes a bracket 10, a first component 20, a second component 30, a flexible cable 40, and a support frame 50. The bracket 10 includes a spaced first bracket portion 11 and a second bracket portion 12. The first end of the support frame 50 is fixed to the first bracket portion 11, and the second end of the support frame 50 is fixed to the second bracket portion 12. The first component 20 is fixed to the first bracket portion 11, and the second component 30 is fixed to the second bracket portion 12. The first component 20 and the second component 30 are electrically connected by the flexible cable 40, and the flexible cable 40 is fixed to the support frame 50. The first component 20 and the second component 30 are, for example, PCB circuit boards, and the flexible cable 40 is used to transmit signals between the first component 20 and the second component 30. The first component 20 and the second component 30 can also be components such as sensors, optical machine light sources, DMD (Digital Micromirror Device) control boards, etc.
[0039] Combined Figure 5 and Figure 6 , a first limiting groove 111 is formed on the first bracket portion 11, and the first end of the support frame 50 is fixed in the first limiting groove 111; specifically, a first guiding block 112 is provided in the first limiting groove 111, and a first guiding groove 51 is formed at the first end of the support portion 50, and the first guiding block 112 is snapped into the first guiding groove 51. Combined Figure 7 and Figure 8, a second limiting groove 121 is formed in the second support portion 12, and the end of the second end of the support portion 50 is fixed in the second limiting groove 121; specifically, a second guiding block 122 is provided in the second limiting groove 121, and a second guiding groove 52 is formed in the second end of the support portion 50, and the second guiding block 122 is snapped into the second guiding groove 52. Among them, a first guiding block 112 and a second guiding block 122 are respectively provided in the first limiting groove 111 and the second limiting groove 121, and the two ends of the support frame 50 respectively form a first guiding groove 51 and a second guiding groove 52. When the two ends of the support frame 50 are respectively inserted into the first limiting groove 111 and the second limiting groove 121, the first guiding block 112 and the second guiding block 122 are respectively snapped into the first guiding groove 51 and the second guiding groove 52 at the two ends of the support frame 50 to achieve positioning, and then the two ends of the support frame 50 can be locked in the first limiting groove 111 and the second limiting groove 121 through fasteners such as screws, which is convenient for installing the support frame 50.
[0040] The support frame 50 has a plate-like structure. Reinforcing ribs 53 are formed on the support frame 50 along the direction from the first end to the second end to enhance the strength of the support frame 50, and the support frame 50 also plays a role in increasing the stability of the support 10. Further, the support frame 50 can be made of a metal structure.
[0041] The wiring harness 40 is fixed on the surface of the support frame 50 by means of adhesion. Specifically, an adhesive layer can be provided on the surface of the support frame 50. After the support frame 50 is fixedly connected to the first support portion 11 and the second support portion 12, the wiring harness 40 is fixed on the surface of the support frame 50 by means of adhesion, and only the wiring harness heads 41 at both ends of the wiring harness � can move freely relative to the support frame 50 to be respectively connected to the first component 20 and the second component 30. In addition, in addition to the adhesion method, buckles or card slots can also be provided on the surface of the support frame 50, and the wiring harness 40 is snapped onto the surface of the support frame 50 through the buckles or card slots to prevent the wiring harness 40 from easily coming out of the support frame 50; the buckles or card slots can be provided on the left and right sides of the outer surface of the support frame 50.
[0042] The wiring harness head 41 at one end of the wiring harness 40 is separated from the first end of the support frame 50 and connected to the first component 20, and the wiring harness head 41 at the other end of the wiring harness 40 is separated from the second end of the support frame 50 and connected to the second component 30.
[0043] The projection device further includes a sound cavity 60. The sound cavity 60 is fixed to the bracket 10 and is located between the first bracket part 11 and the second bracket part 12. The support frame 50 extends along the surface of the sound cavity 60 and is spaced from the sound cavity 60. Specifically, other regions of the support frame 50 except for the first end and the second end are suspended, such that there is a suspension and no contact between the support frame 50 and the sound cavity 60, avoiding collision between the sound cavity 60 and the support frame 50 when the sound cavity 60 vibrates. Further, an avoidance groove 61 is provided on the surface of the sound cavity 60, and the support frame 50 extends in the avoidance groove 61 to allow the support frame 50 to pass through. In this way, the space utilization rate can be improved, which helps to compress the overall size of the projection device. In a specific embodiment, the support frame 50 is in a U shape and bypasses the sound cavity 60 to connect the first bracket part 11 and the second bracket part 12.
[0044] The bracket 10 is composed of a first sub - bracket 101 and a second sub - bracket 102. The first sub - bracket 101 and the second sub - bracket 102 can be detachably connected or integrally connected. An accommodation cavity is formed by surrounding between the first sub - bracket 101 and the second sub - bracket 102. The first bracket part 11 is located on the first sub - bracket 101, the second bracket part 12 is located on the second sub - bracket 102, and the projection device further includes an optical engine 70, and the optical engine 70 is disposed in the accommodation cavity.
[0045] The projection device further includes a housing (not shown in the figure). At least one of the first sub - bracket 101 and the second sub - bracket 102 is fixed to the inner wall of the housing. The first component 20 is fixedly connected to the side of the first sub - bracket 101 away from the second sub - bracket 102, and the second component 30 is fixedly connected to the side of the second sub - bracket 102 away from the first sub - bracket 101.
[0046] In a specific embodiment, the first component 20 and the second component 30 are respectively PCB boards. The two are spaced from each other in height. Therefore, they are electrically connected through a flexible cable 40 to achieve data transmission. The flexible cable 40 straddles the first sub - bracket 101 and the second sub - bracket 102, and its length is greater than the height of the optical engine 70.
[0047] In the projection device disclosed in the preferred embodiment of the present utility model, a support part 50 capable of protecting the flexible cable 40 with a longer length inside the projector is provided. The support part 50 extends along the length direction of the flexible cable 40 and serves as a bridge to support and fix most of the flexible cable area. While protecting the long flexible cable, it can also prevent the flexible cable 40 from colliding with other internal components and generating noise.
[0048] The background part of the present utility model may include background information about the problems or environment of the present utility model, rather than the description of the prior art by others. Therefore, the content included in the background art section is not an admission by the applicant of the prior art.
[0049] The above content is a further detailed description of the present utility model in combination with specific / preferred embodiments, and it cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the art to which the present utility model pertains, without departing from the concept of the present utility model, they can make several substitutions or modifications to these described embodiments, and these substitution or modification methods should all be regarded as belonging to the protection scope of the present utility model. In the description of this specification, the descriptions with reference to the terms "an embodiment", "some embodiments", "preferred embodiments", "examples", "specific examples", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples. Although the embodiments of the present utility model and their advantages have been described in detail, it should be understood that various changes, substitutions, and alterations can be made herein without departing from the scope defined by the appended claims.
Claims
1. A projection device, characterized in that, It includes a bracket, a first component, a second component, a flexible cable, and a support frame. The bracket includes a spaced-apart first bracket portion and a second bracket portion. The first end of the support frame is fixed to the first bracket portion, and the second end of the support frame is fixed to the second bracket portion. The first component is fixed to the first bracket portion, and the second component is fixed to the second bracket portion. The first component and the second component are electrically connected through the flexible cable, and the flexible cable is fixed to the support frame.
2. The projection device according to claim 1, wherein, A first limiting groove is formed in the first bracket portion, and the first end of the support frame is fixed in the first limiting groove; a second limiting groove is formed in the second bracket portion, and the end of the second end of the support frame is fixed in the second limiting groove.
3. The projection device according to claim 2, wherein A first guiding block is provided in the first limiting groove, and a first guiding groove is formed at the first end of the support frame. The first guiding block is snapped into the first guiding groove; a second guiding block is provided in the second limiting groove, and a second guiding groove is formed at the second end of the support frame. The second guiding block is snapped into the second guiding groove.
4. The projection device according to claim 1, characterized in that The support frame has a plate-like structure, and reinforcing ribs are formed on the support frame along the direction extending from the first end to the second end.
5. The projection device according to claim 1, wherein, The flexible cable is fixed to the surface of the support frame by means of adhesion. Alternatively, buckles are provided on the surface of the support frame or clamping grooves are formed, and the flexible cable is snapped onto the surface of the support frame through the buckles or clamping grooves.
6. The projection device according to claim 1, wherein, It further includes a sound cavity, which is fixed to the bracket and is located between the first bracket portion and the second bracket portion. The support frame extends along the surface of the sound cavity and is spaced apart from the sound cavity.
7. The projection device according to claim 6, characterized in that, Avoidance grooves are provided on the surface of the sound cavity, and the support frame extends in the avoidance grooves.
8. The projection device according to claim 1, characterized in that, The bracket includes a first sub-bracket and a second sub-bracket, which are detachably connected to each other. An accommodation cavity is formed by surrounding between the first sub-bracket and the second sub-bracket. The first bracket portion is located on the first sub-bracket, and the second bracket portion is located on the second sub-bracket. The projection device includes an optical machine, and the optical machine is arranged in the accommodation cavity.
9. The projection device according to claim 8, wherein It further includes a housing. At least one of the first sub-bracket and the second sub-bracket is fixed to the inner wall of the housing. The first component is fixedly connected to the side of the first sub-bracket away from the second sub-bracket, and the second component is fixedly connected to the side of the second sub-bracket away from the first sub-bracket.
10. The projection device according to claim 1, wherein, One end of the flexible cable is separated from the first end of the support frame and connected to the first component, and the other end of the flexible cable is separated from the second end of the support frame and connected to the second component.