Ceiling screen motor structure and ceiling screen

Abstract

The utility model discloses a ceiling screen motor structure and a ceiling screen. The ceiling screen motor structure comprises a machine shell, bearing chambers are arranged at the two ends of the machine shell, bearings are installed in the bearing chambers, and supporting pieces are arranged between the bearings and the bearing chambers. According to the utility model, the bearing chambers are arranged at the two ends of the casing, the bearings are arranged in the bearing chambers, and the supporting pieces are arranged between the bearings and the bearing chambers, so that the supporting pieces can always keep moderate pressure on the bearings in the operation process of the motor, and the moderate pressure ensures that the bearings are matched with the bearing chambers more tightly; besides, friction and collision noise generated by vibration or displacement between parts is effectively reduced, the problem that the bearing is prone to autorotation under the action of axial force is solved, and unnecessary friction and vibration caused by autorotation are avoided; meanwhile, shaking of the bearing in the operation process is reduced through tight matching, and noise and abnormal sound are further reduced.

Description

Technical Field

[0001] This utility model relates to the field of ceiling-mounted screen technology, and in particular to a ceiling-mounted screen motor structure and a ceiling-mounted screen. Background Technology

[0002] With the rapid development of the automotive industry and the increasing demands of consumers for automotive comfort and entertainment performance, car entertainment systems have become an indispensable part of modern automobiles. Among these, ceiling-mounted screens, as a crucial component of car entertainment systems, offer users a more flexible and convenient viewing and entertainment experience through their rotation or flipping functions. However, in practical applications, existing ceiling-mounted screen rotation (flipping) motors present some problems that urgently need to be addressed.

[0003] Specifically, existing ceiling-mounted screen rotating (flipping) motors often generate noise and abnormal sounds during operation. These noises and abnormal sounds not only seriously affect the user experience and reduce the overall quality of the car, but may also indicate potential fault risks inside the motor, such as bearing wear or loose fit.

[0004] In-depth research and analysis revealed that the generation of noise and abnormal sounds is primarily related to the operating condition of the bearings inside the motor. During motor operation, the bearings are subjected to axial forces from all directions, which can cause them to rotate, leading to unnecessary friction and vibration. Simultaneously, the tightness of the fit between the bearing and the bearing housing is also a significant factor affecting noise and abnormal sounds. When the fit is not tight enough, the bearing is prone to shaking during operation, further exacerbating the generation of noise and abnormal sounds.

[0005] Therefore, in order to effectively solve the noise and abnormal sounds generated by the existing ceiling screen rotating (flipping) motor during operation and improve the user experience, it is urgent to improve and optimize the existing motor structure. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a ceiling-mounted screen motor structure and a ceiling-mounted screen.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] In a first aspect, this utility model embodiment provides a ceiling-mounted screen motor structure, including: a housing, bearing chambers at both ends of the housing, bearings installed in the bearing chambers, and a support member between the bearings and the bearing chambers.

[0009] In one specific embodiment, the support member is a washer.

[0010] In one specific embodiment, the cross-section of the washer is wavy.

[0011] In one specific embodiment, the thickness of the gasket is 0.2-0.4 mm.

[0012] In one specific embodiment, the washer is made of metal.

[0013] In one specific embodiment, the washer is made of stainless steel.

[0014] In one specific embodiment, the bearing includes a collar and balls, the collar being provided with a track, the balls being rotatably connected to the track, and the gap between the balls and the inner wall of the track being 2-6 micrometers.

[0015] In one specific embodiment, the motor structure further includes: a rotating shaft, the two ends of which pass through the bearing and the support member in sequence and extend out of the bearing chamber.

[0016] In one specific embodiment, the motor structure further includes a rotor assembly and a stator assembly, the rotor assembly and the stator assembly being disposed inside the housing.

[0017] The advantages of this ceiling-mounted screen motor structure compared to existing technologies are as follows: By providing bearing chambers at both ends of the housing, with bearings installed within each chamber and support members between the bearings and the bearing chambers, the support members can maintain appropriate pressure on the bearings during motor operation. This appropriate pressure not only ensures a tighter fit between the bearings and the bearing chambers but also effectively reduces friction and collision noise caused by vibration or displacement between components. It also solves the problem of bearings easily rotating under axial force, avoiding unnecessary friction and vibration. Furthermore, the tight fit reduces bearing wobble during operation, further reducing noise and abnormal sounds.

[0018] Secondly, this utility model embodiment provides a ceiling-mounted screen, including the ceiling-mounted screen motor structure described above.

[0019] Compared with the prior art, the beneficial effects of this ceiling-mounted screen are as follows: By improving the motor structure of the ceiling-mounted screen, bearing chambers are provided at both ends of the housing, and bearings are installed in the bearing chambers. A support component is provided between the bearings and the bearing chambers, so that the support component can always maintain appropriate pressure on the bearings during motor operation. This appropriate pressure not only ensures a tighter fit between the bearings and the bearing chambers, but also effectively reduces friction and collision noise caused by vibration or displacement between components, solves the problem of bearings easily rotating under axial force, and avoids unnecessary friction and vibration. At the same time, the tight fit also reduces the shaking of the bearings during operation, further reducing the generation of noise and abnormal sounds.

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A three-dimensional schematic diagram of the ceiling-mounted screen motor structure provided by this utility model;

[0023] Figure 2 A cross-sectional schematic diagram of the ceiling-mounted screen motor structure provided by this utility model;

[0024] Figure 3 A schematic diagram of the support component provided by this utility model. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0032] See Figures 1 to 3 The specific embodiment shown in this utility model discloses a ceiling screen motor structure, including: a housing 10, bearing chambers 11 at both ends of the housing 10, bearings 20 installed in the bearing chambers 11, and a support member 30 between the bearings 20 and the bearing chambers 11.

[0033] Specifically, a support member 30 is provided between the bearing 20 and the bearing housing 11. The support member 30 can be a washer, a spacer, or a specialized support structure. The function of the support member 30 is to ensure the correct position of the bearing 20 within the bearing housing 11 and to prevent the bearing 20 from shifting or shaking during operation. The material and thickness of the support member 30 are selected according to the specific requirements of the motor and the type of bearing 20 to ensure sufficient support strength and stability.

[0034] In other words, by providing bearing chambers 11 at both ends of the housing 10, and installing bearings 20 within each bearing chamber 11, the key innovation lies in the support member 30 positioned between the bearing 20 and the bearing chamber 11. This innovative design ensures that the support member 30 maintains appropriate pressure on the bearing 20 throughout motor operation. This appropriate pressure not only ensures a tighter fit between the bearing 20 and the bearing chamber 11 but also effectively reduces friction and collision noise caused by vibration or displacement between components. Compared to existing technologies, this motor structure, through the inclusion of the support member 30, effectively solves the problem of the bearing 20 easily rotating under axial force, avoiding unnecessary friction and vibration. Simultaneously, the tight fit also reduces the shaking of the bearing 20 during operation, further reducing noise and abnormal sounds.

[0035] In summary, this ceiling-mounted screen motor structure, through simple yet effective design improvements, significantly enhances the motor's operational smoothness and quietness, providing users with a more comfortable and enjoyable experience. Simultaneously, this structure also improves the motor's reliability and durability, reducing the potential risk of malfunctions caused by noise and abnormal sounds, demonstrating broad market application prospects and practical value.

[0036] In one embodiment, the support member 30 is a washer.

[0037] Specifically, the thickness of the gasket is determined based on the specific load, speed, and required preload of the motor to ensure that it provides adequate support and maintains the stability of bearing 20 during motor operation. The gasket material can be metal (such as stainless steel, copper alloy, etc.), non-metal (such as rubber, plastic, etc.), or a composite material of metal and non-metal. Material selection must consider the gasket's wear resistance, corrosion resistance, elasticity, and shock absorption performance to ensure that it maintains good performance during long-term motor operation.

[0038] In other words, the washer, acting as a support 30 between the bearing 20 and the bearing housing 11, effectively prevents axial movement of the bearing 20 during motor operation, thereby improving the stability of the bearing 20. The preload of the washer makes the fit between the bearing 20 and the bearing housing 11 tighter, reducing bearing 20 wobble or misalignment caused by excessive clearance. Furthermore, the elastic properties of the washer absorb and disperse vibration energy during motor operation, thus reducing noise levels. The tight fit of the washer reduces collisions and friction between the bearing 20 and the bearing housing 11, further reducing noise and vibration.

[0039] In one embodiment, the cross-section of the washer is wavy.

[0040] Specifically, the cross-section of a corrugated washer features a series of continuous wavy or serrated shapes. This design allows the washer to undergo elastic deformation under pressure without generating excessive stress concentration when returning to its original shape after pressure release. Corrugated washers are typically made of materials with good elasticity, wear resistance, and corrosion resistance, such as spring steel, stainless steel, copper alloys, or specific elastic plastics. Material selection must consider the washer's stability during long-term use and its performance under different temperature and humidity conditions.

[0041] In other words, the corrugated washer has excellent elastic deformation capability, which can maintain appropriate pressure on the bearing 20 during motor operation, making the fit between the bearing 20 and the bearing housing 11 tighter. This tight fit reduces the shaking or displacement of the bearing 20 during operation, enhances the stability of the bearing 20, and improves the operating accuracy of the motor. Furthermore, the elastic deformation capability of the corrugated washer can absorb and disperse the vibration energy during motor operation, thereby reducing friction and collision noise caused by vibration or displacement. The corrugated design of the washer allows it to deform uniformly under pressure, avoiding increased noise and vibration caused by localized stress concentration. In addition, as a buffer layer between the bearing 20 and the bearing housing 11, the corrugated washer can disperse and reduce the stress borne by the bearing 20, extending the service life of the bearing 20. Moreover, the elastic deformation capability of the washer allows it to adapt to minor changes during motor operation, reducing the risk of failure due to loose fit or excessive clearance, and improving the reliability and durability of the motor.

[0042] In one embodiment, the thickness of the gasket is 0.2-0.4 mm.

[0043] Specifically, based on the motor's design requirements, load characteristics, speed, and the fit clearance between bearing 20 and bearing housing 11, the optimal thickness range of the corrugated washer is determined through calculation and experimentation. During the production process, precision machining equipment is used to ensure that the thickness of the corrugated washer meets the design requirements and is controlled within the range of 0.2-0.4 mm.

[0044] In other words, the thickness range of 0.2-0.4 mm allows the corrugated washer to precisely fill the gap between the bearing 20 and the bearing housing 11, achieving a tight fit. This tight fit reduces the shaking and misalignment of the bearing 20 during operation, improving its stability and positioning accuracy. Furthermore, the thickness and corrugated design of the washer give it excellent elastic deformation capability, allowing it to adapt to minor displacements and vibrations of the bearing 20 during motor operation. This elastic support reduces rigid impact between the bearing 20 and the bearing housing 11, lowering friction and collision noise caused by vibration or displacement.

[0045] In one embodiment, the washer is made of metal.

[0046] Specifically, metallic materials with good elasticity, strength, wear resistance, and corrosion resistance, such as spring steel, stainless steel, or copper alloys, are selected as the manufacturing materials for the corrugated washers. The most suitable metallic material is chosen based on the specific working environment and performance requirements of the motor to ensure that the washers maintain stable performance during long-term use.

[0047] In other words, metal wave-shaped washers possess high strength and hardness, enabling them to withstand significant pressure and impact without easily deforming or being damaged. Metal washers offer good durability, maintaining stable performance over extended periods and prolonging the motor's lifespan. Furthermore, the excellent elastic deformation capacity of metal allows the wave-shaped washer to deform appropriately under pressure, providing uniform support for the bearing 20. This elastic support helps reduce rigid impact between the bearing 20 and the bearing housing 11, lowering noise and vibration. Additionally, metal wave-shaped washers exhibit good corrosion resistance and high-temperature resistance, enabling them to adapt to various harsh working environments. Whether in high-temperature, humid, or corrosive environments, metal washers maintain stable performance, ensuring the normal operation of the motor.

[0048] In one embodiment, the washer is made of stainless steel.

[0049] Specifically, stainless steel corrugated washers possess excellent corrosion resistance, resisting the erosion of moisture, acidic, or alkaline media, ensuring stable performance over long periods in harsh environments. Furthermore, the high strength and toughness of stainless steel allow the corrugated washers to withstand significant pressure and impact without easily deforming or damaging, ensuring stable motor operation. Additionally, stainless steel's good elastic deformation capacity allows the corrugated washers to undergo moderate deformation under pressure, providing uniform support to the bearing 20 and helping to reduce rigid impacts and vibrations between the bearing 20 and the bearing housing 11. Moreover, the superior performance of stainless steel corrugated washers makes the motor more reliable during operation, reducing the risk of failure due to washer damage or poor fit. Simultaneously, the good durability of stainless steel washers allows them to maintain stable performance over extended periods, thereby extending the motor's service life.

[0050] In one embodiment, the bearing 20 includes a collar and balls, the collar being provided with a track, the balls being rotatably connected to the track, and the gap between the balls and the inner wall of the track being 2-6 micrometers.

[0051] Specifically, bearing 20 comprises two parts: a collar and balls. The collar, as the main support structure of bearing 20, has a carefully designed track on its inner surface. The balls, as the rolling elements of bearing 20, are precisely installed within the track of the collar and can roll along the track. Through precise machining and assembly processes, the gap between the balls and the inner wall of the track is controlled within the range of 2-6 micrometers.

[0052] In other words, the minute gap (2-6 micrometers) between the balls and the inner wall of the track ensures the operational precision of the bearing 20. This precise fit reduces the shaking and misalignment of the bearing 20 during operation, improving its positioning accuracy and stability. Furthermore, the minute gap reduces the contact area between the balls and the inner wall of the track as they roll, thus reducing friction and wear. This helps extend the service life of the bearing 20 and reduces heat and noise generated by friction. Additionally, the bearing 20 maintains sufficient preload when subjected to axial thrust and tension. This preload ensures that the bearing 20 does not rotate during operation, improving its load-bearing capacity and stability. Moreover, because the bearing 20 maintains sufficient preload and the fit between the balls and the track is tight, the bearing 20 can better resist external forces when subjected to vibration or impact, maintaining its operational stability and reliability.

[0053] In one embodiment, the motor structure further includes a rotating shaft 40, the two ends of which pass through the bearing 20 and the support member 30 in sequence, and extend out of the bearing chamber 11.

[0054] Specifically, the precise fit between the bearing 20 and the support 30 ensures the stability of the motor during operation. The bearing 20 provides stable support and guidance for the shaft 40, reducing wobbling and misalignment, and improving the positioning accuracy and smooth operation of the motor. In addition, the support 30 provides extra support and preload, enhancing the load-bearing capacity of the bearing 20, enabling the motor to withstand greater loads and impacts.

[0055] In one embodiment, the motor structure further includes a rotor assembly 50 and a stator assembly 60, the rotor assembly 50 and the stator assembly 60 being disposed inside the housing 10.

[0056] Specifically, the precise design and coordination of the rotor assembly 50 and the stator assembly 60 ensure the high-efficiency operation of the motor. The magnetic field interaction between the rotor assembly 50 and the stator assembly 60 generates a strong rotational torque, improving the motor's output power and efficiency. The specific structures of the rotor assembly 50 and the stator assembly 60 utilize existing publicly available technology and will not be elaborated upon here.

[0057] This utility model also discloses a ceiling-mounted screen, including the ceiling-mounted screen motor structure described above.

[0058] Specifically, by improving the motor structure of the ceiling-mounted screen, bearing chambers are provided at both ends of the housing, and bearings are installed in the bearing chambers. Support components are provided between the bearings and the bearing chambers, so that the support components can always maintain appropriate pressure on the bearings during motor operation. This appropriate pressure not only ensures a tighter fit between the bearings and the bearing chambers, but also effectively reduces friction and collision noise caused by vibration or displacement between components, solves the problem of bearings easily rotating under axial force, and avoids unnecessary friction and vibration. At the same time, the tight fit also reduces bearing shaking during operation, further reducing noise and abnormal sounds.

[0059] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A ceiling-mounted screen motor structure, characterized in that, include: The motor housing has bearing chambers at both ends, bearings are installed in the bearing chambers, and a support is provided between the bearings and the bearing chambers; the motor structure also includes a rotating shaft, the two ends of which pass through the bearings and the support in sequence and extend out of the bearing chambers; the motor structure also includes a rotor assembly and a stator assembly, which are located inside the housing.

2. The ceiling-mounted screen motor structure according to claim 1, characterized in that, The support component is a washer.

3. The ceiling-mounted screen motor structure according to claim 2, characterized in that, The cross-section of the washer is wavy.

4. The ceiling-mounted screen motor structure according to claim 2, characterized in that, The thickness of the washer is 0.2-0.4 mm.

5. The ceiling-mounted screen motor structure according to claim 2, characterized in that, The gasket is made of metal.

6. The ceiling-mounted screen motor structure according to claim 5, characterized in that, The gasket is made of stainless steel.

7. The ceiling-mounted screen motor structure according to claim 1, characterized in that, The bearing includes a collar and balls. The collar is provided with a track, and the balls are rotatably connected to the track. The gap between the balls and the inner wall of the track is 2-6 micrometers.

8. A ceiling-mounted screen, characterized in that, Includes the ceiling-mounted screen motor structure as described in any one of claims 1-7.

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