Air handling unit, air conditioner and vehicle
By installing a pressure plate and a limiting post in the air conditioning unit, the problem of the cam plate and the damper assembly becoming disengaged is solved, improving the rotational reliability of the damper assembly and enhancing the overall reliability of the air conditioner.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AVATR CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-05-26
AI Technical Summary
In vehicle air conditioners, the cam plate and damper assembly may become disengaged under extreme conditions due to manufacturing tolerances and other factors, leading to functional failure and a poor user experience.
A pressure plate is installed in the air conditioning unit, and a limiting post is provided on the pressure plate. The limiting post extends along the thickness direction of the pressure plate and is used to limit the rotation angle of the cam plate. When the damper assembly rotates to the limit position, the cam plate abuts against the limiting post to avoid disengagement caused by continuous rotation.
This increases the rotational reliability of the damper assembly, prevents the cam plate from disengaging from the damper assembly, and improves the reliability of the air conditioner.
Smart Images
Figure CN224276777U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle air conditioning technology, and more particularly to an air conditioning unit, an air conditioner, and a vehicle. Background Technology
[0002] In current vehicle air conditioners, the cam plate is fixed on the pressure plate, and the cam plate drives the damper assembly to rotate. Due to factors such as manufacturing tolerances, the damper assembly / cam plate may disengage from the cam plate in extreme cases, causing functional failure, poor user experience, and complaints. Utility Model Content
[0003] Therefore, this application provides an air conditioning unit that avoids the disengagement of the damper assembly from the cam plate due to continuous rotation of the cam plate, thereby increasing the rotational reliability of the damper assembly.
[0004] This application also provides an air conditioner, which includes the air conditioning unit described above.
[0005] This application also provides a vehicle that includes the air conditioner described above.
[0006] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:
[0007] This application provides an air conditioning unit, including a unit body, a cam plate, a damper assembly, and a pressure plate. The unit body has a first opening. The cam plate is rotatably disposed on the outer peripheral wall of the unit body. The damper assembly is rotatably disposed at the first opening and is used to open or close the first opening. The cam plate drives the damper assembly to rotate. The pressure plate is disposed on the side of the cam plate opposite to the unit body. The pressure plate has a limiting post that extends along the thickness direction of the pressure plate and is used to limit the rotation angle of the cam plate.
[0008] The air conditioning unit provided in this application embodiment has a pressure plate located on the side of the cam plate away from the main body of the unit. The pressure plate is provided with a limiting post that extends along the thickness direction of the pressure plate. The limiting post is used to limit the rotation angle of the cam plate. When the cam plate rotates, it drives the damper assembly to rotate. When the damper assembly rotates to the limit position, the cam plate can abut against the limiting post and the cam plate stops rotating. This avoids the damper assembly from disengaging from the cam plate due to continuous rotation of the cam plate and increases the rotation reliability of the damper assembly.
[0009] In one possible implementation of this application, the cam disk has a first limit position and a second limit position, the cam disk rotates between the first limit position and the second limit position, and there are two limiting posts, which respectively abut against the first limit position and the second limit position of the cam disk.
[0010] In one possible implementation of this application, the cam disk is a sector disk, and when the cam disk is in the first extreme position and the second extreme position, the two limiting posts abut against the two end faces of the cam disk in the circumferential direction of the axis of the cam disk.
[0011] In one possible implementation of this application, the cam disk is provided with a limiting groove, and the limiting post passes through the limiting groove. When the cam disk rotates to the limit position, the limiting post abuts against the side wall of the limiting groove in the length direction.
[0012] In one possible implementation of this application, on the projection of the pressure plate in the thickness direction, there is an included angle A between the two lines formed by connecting the points where the axes of the two limiting posts are located and the points where the rotation axis of the cam disk is located, and the following condition is met: 59.38°≤A≤59.58°.
[0013] In one possible implementation of this application, the outer diameter of the limiting post is D and satisfies: 7.9mm≤D≤8.1mm; and / or, along the thickness direction of the pressure plate, the height of the limiting post is h and satisfies: 9.4mm≤h≤9.6mm.
[0014] In one possible implementation of this application, the limiting post is provided with a weight-reducing hole, which extends along the axial direction of the limiting post.
[0015] In one possible implementation of this application, the minimum distance between the outer wall of the limiting post and the inner wall of the weight reduction hole is s, and satisfies: 1.9mm≤s≤2.1mm.
[0016] The air conditioner according to the embodiments of this application includes the air conditioning unit described above.
[0017] According to the air conditioner of the present application embodiment, the pressure plate is disposed on the side of the cam plate away from the housing body. The pressure plate is provided with a limiting post that extends along the thickness direction of the pressure plate. The limiting post is used to limit the rotation angle of the cam plate. When the cam plate rotates, it drives the damper assembly to rotate. When the damper assembly rotates to the limit position, the cam plate can abut against the limiting post and the cam plate stops rotating. This avoids the damper assembly from disengaging from the cam plate due to continuous rotation of the cam plate and increases the rotation reliability of the damper assembly.
[0018] The vehicle according to an embodiment of this application includes the air conditioner described above.
[0019] According to the vehicle of the present application embodiment, the pressure plate is disposed on the side of the cam disc away from the box body. The pressure plate is provided with a limiting post, which extends along the thickness direction of the pressure plate. The limiting post is used to limit the rotation angle of the cam disc. When the cam disc rotates, it drives the damper assembly to rotate. When the damper assembly rotates to the limit position, the cam disc can abut against the limiting post, and the cam disc stops rotating. This avoids the damper assembly from disengaging from the cam disc due to continuous rotation of the cam disc, and increases the rotation reliability of the damper assembly. Attached Figure Description
[0020] Figure 1 A partial schematic diagram of an air conditioning unit provided in an embodiment of this application;
[0021] Figure 2 A perspective view of the damper assembly, cam plate, and pressure plate of the air conditioning unit provided in the embodiments of this application;
[0022] Figure 3 A perspective view of the pressure plate of the air conditioning unit provided in the embodiment of this application.
[0023] Figure label:
[0024] 100. Air conditioning unit;
[0025] 1. Box body; 11. First opening;
[0026] 2. Damper assembly; 21. Damper body; 22. Damper pivot; 23. Adapter structure;
[0027] 3. Cam plate; 31. Limiting groove;
[0028] 4. Pressure plate; 41. Limiting post; 411. Weight reduction hole; 5. Drive mechanism. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.
[0030] In the embodiments of this application, 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 indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.
[0031] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.
[0032] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.
[0033] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.
[0034] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.
[0035] This application provides a vehicle. It should be noted that the vehicle in this application can refer to large vehicles, small vehicles, special-purpose vehicles, etc. For example, according to vehicle type, the vehicle in this application can be a sedan, an off-road vehicle, a multi-purpose vehicle (MPV), or other types of vehicles. Vehicles are generally equipped with air conditioners to improve the temperature inside the vehicle's cabin and increase user comfort.
[0036] Reference Figure 1 and Figure 2 This application provides an air conditioning unit 100, which includes a unit body 1, a cam plate 3, a damper assembly 2, and a pressure plate 4.
[0037] To better illustrate the air conditioning unit 100 provided in this embodiment, a first opening 11 is provided on the unit body 1. A cam disk 3 is rotatably mounted on the outer peripheral wall of the unit body 1, and a damper assembly 2 is rotatably mounted at the first opening 11 for opening or closing the first opening 11. The cam disk 3 drives the damper assembly 2 to rotate. The damper assembly 2 is a key mechanical component for controlling the airflow path and characteristics of the air conditioner. By opening, closing, or adjusting the opening angle of the first opening 11, the airflow processed (heated or cooled) by the air conditioning unit 100 is precisely guided and distributed, thereby achieving different air conditioning functions and improving driving and passenger comfort.
[0038] The pressure plate 4 is located on the side of the cam disc 3 away from the housing body 1. The pressure plate 4 is equipped with a limiting post 41, which is positioned along the thickness direction of the pressure plate 4 (e.g., ...). Figure 1 Extending in the first direction shown, the limiting post 41 is used to limit the rotation angle of the cam disk 3.
[0039] It is understandable that when the cam disk 3 rotates, it drives the damper assembly 2 to rotate. When the damper assembly 2 rotates to the limit position, the cam disk 3 can abut against the limit post 41, and the cam disk 3 stops rotating. This avoids the damper assembly 2 from disengaging from the cam disk 3 due to continuous rotation of the cam disk 3, and increases the rotation reliability of the damper assembly 2.
[0040] According to the embodiment of this application, the air conditioning unit 100 has a pressure plate 4 disposed on the side of the cam disk 3 away from the main body 1. The pressure plate 4 is provided with a limiting post 41, which extends along the thickness direction of the pressure plate 4. The limiting post 41 is used to limit the rotation angle of the cam disk 3. When the cam disk 3 rotates, it drives the damper assembly 2 to rotate. When the damper assembly 2 rotates to the limit position, the cam disk 3 can abut against the limiting post 41, and the cam disk 3 stops rotating. This avoids the damper assembly 2 from disengaging from the cam disk 3 due to continuous rotation of the cam disk 3, and increases the rotation reliability of the damper assembly 2.
[0041] Among them, reference Figure 1 and Figure 2 The damper assembly 2 includes a damper body 21, a damper shaft 22, and a connecting structure 23. A limiting groove 31 is provided on the cam disk 3. The connecting structure 23 is connected to the damper shaft 22 and extends at least partially into the limiting groove 31. The limiting groove 31 extends along the rotation direction of the cam disk 3. When the cam disk 3 rotates, the limiting groove 31 drives the limiting groove 31 to move, and the damper shaft 22 rotates, driving the damper body 21 to rotate, thereby realizing the opening or closing of the first opening 11 of the damper assembly 2.
[0042] In this embodiment, the damper body 21, the damper shaft 22, and the connecting structure 23 are integrated into one piece.
[0043] In some embodiments of this application, reference is made to Figure 1 and Figure 2 The cam disk 3 has a first limit position and a second limit position. The cam disk 3 rotates between the first limit position and the second limit position. There are two limiting posts 41, which abut against the first limit position and the second limit position of the cam disk 3, respectively. It can be understood that the cam disk 3 can rotate in two directions, the first direction and the second direction, which are opposite. The limit position reached by the cam disk 3 in the first direction is the first limit position, and the limit position reached by the cam disk 3 in the second direction is the second limit position. The two limiting posts 41 can abut against the limit positions of the cam disk 3 in the first direction and the second direction, respectively, so that the rotation of the cam disk 3 in the first direction and the second direction is relatively reliable.
[0044] Furthermore, in some embodiments of this application, reference is made to... Figure 1 and Figure 2 The cam disk 3 is a sector-shaped disk. When the cam disk 3 is in the first limit position and the second limit position, the two limiting posts 41 abut against the two end faces of the axis of the cam disk 3 in the circumferential direction. When the cam disk 3 is in the first limit position and the second limit position, the limiting posts 41 can effectively limit the cam disk 3. The position of the cam disk 3 is more reliable, avoiding the disengagement of the damper assembly 2 from the cam disk 3 caused by the continuous rotation of the cam disk 3, and increasing the rotation reliability of the damper assembly 2.
[0045] In some embodiments of this application, the cam disk 3 is provided with a limiting groove, and the limiting post 41 passes through the limiting groove. When the cam disk 3 rotates to the limit position, the limiting post 41 abuts against the side wall of the limiting groove in the length direction. The cooperation between the limiting groove and the limiting post 41 can limit the rotation trajectory of the cam disk 3 at the first and second limit positions, thereby preventing the rotation of the cam disk 3 from getting out of control.
[0046] In some embodiments of this application, reference is made to Figure 3 On the projection of the pressure plate 4 in the thickness direction, there is an included angle A between the two lines formed by connecting the points where the axes of the two limiting posts 41 are located and the points where the rotation axis of the cam disk 3 is located, and the following condition is met: 59.38°≤A≤59.58°.
[0047] It is understandable that the included angle between the two lines formed by connecting the points where the axes of the two limiting posts 41 are located and the points where the rotation axis of the cam disk 3 is located can be 59.38°, 59.4°, 59.42°, 59.44°, 59.46°, 59.48°, 59.5°, 59.52°, 59.54°, 59.56°, or 59.58°. This is to prevent the rotation of the cam disk 3 from being insufficient to open or close the first opening 11, while also preventing the rotation angle of the cam disk 3 from being too large, thus preventing the cam disk 3 from disengaging from the damper assembly 2.
[0048] In some embodiments of this application, reference is made to Figure 3 The outer diameter of the limiting post 41 is D and satisfies: 7.9mm ≤ D ≤ 8.1mm. It can be understood that the outer diameter of the limiting post 41 can be 7.9mm, 7.92mm, 7.94mm, 7.96mm, 7.98mm, 8mm, 8.02mm, 8.04mm, 8.06mm, 8.08mm, or 8.1mm. An outer diameter of not less than 7.9mm avoids insufficient strength in the limiting post 41, ensuring its effective limiting of the cam disc 3; an outer diameter of not more than 8.1mm avoids excessively large dimensions in the limiting post 41, thus preventing increased manufacturing costs for the pressure plate 4.
[0049] In some embodiments of this application, reference is made to Figure 3 Along the thickness direction of the pressure plate 4, the height of the limiting post 41 is h and satisfies: 9.4mm ≤ h ≤ 9.6mm. It can be understood that the height of the limiting post 41 along the thickness direction of the pressure plate 4 can be 9.4mm, 9.42mm, 9.44mm, 9.46mm, 9.48mm, 9.5mm, 9.52mm, 9.54mm, 9.56mm, 9.58mm, or 9.6mm. The fact that the height of the limiting post 41 along the thickness direction of the pressure plate 4 is not less than 9.4mm ensures the limiting effect of the limiting post 41 on the cam disc 3, preventing the cam disc 3 from detaching from the side of the limiting post 41 away from the pressure plate 4. The fact that the height of the limiting post 41 along the thickness direction of the pressure plate 4 is not greater than 9.6mm prevents interference between the limiting post 41 and other components, increasing the reliability of the pressure plate 4.
[0050] In some embodiments of this application, reference is made to Figure 2 and Figure 3 The limiting post 41 is provided with a weight reduction hole 411, which extends along the axial direction of the limiting post 41. At this time, the weight of the pressure plate 4 is relatively light, which can achieve vehicle weight reduction when the air conditioning box 100 is used in a vehicle.
[0051] Furthermore, referring to Figure 3The minimum distance between the outer wall of the limiting post 41 and the inner wall of the weight-reducing hole 411 is s, and satisfies: 1.9mm ≤ s ≤ 2.1mm. It can be understood that the minimum distance between the outer wall of the limiting post 41 and the inner wall of the weight-reducing hole 411 can be 1.9mm, 1.92mm, 1.94mm, 1.96mm, 1.98mm, 2mm, 2.02mm, 2.04mm, 2.06mm, 2.08mm, or 2.1mm. A minimum distance of not less than 1.9mm ensures the strength of the limiting post 41 and its limiting effect on the cam disc 3; a minimum distance of not more than 2.1mm allows for the lightweighting of the pressure plate 4 and the air conditioning unit 100.
[0052] In some embodiments of this application, reference is made to Figure 1 The air conditioning unit 100 also includes a drive mechanism 5, which is located on the side of the pressure plate 4 away from the cam disk 3. The cam disk 3 is fixedly connected to the output shaft of the drive mechanism 5. The drive mechanism 5 drives the cam disk 3 to rotate, and the cam disk 3 drives the damper assembly 2 to rotate, which can open or close the first opening 11 and control the opening degree of the first opening 11.
[0053] In this application, the drive mechanism 5 is a drive motor, and the cam disk 3 is fixedly connected to the output shaft of the drive motor and rotates synchronously.
[0054] The air conditioner according to the embodiments of this application includes the air conditioning unit 100 described above.
[0055] According to the air conditioner of this application embodiment, the pressure plate 4 is disposed on the side of the cam disk 3 away from the housing body 1. The pressure plate 4 is provided with a limiting post 41, which extends along the thickness direction of the pressure plate 4. The limiting post 41 is used to limit the rotation angle of the cam disk 3. When the cam disk 3 rotates, it drives the damper assembly 2 to rotate. When the damper assembly 2 rotates to the limit position, the cam disk 3 can abut against the limiting post 41, and the cam disk 3 stops rotating. This avoids the damper assembly 2 from disengaging from the cam disk 3 due to continuous rotation of the cam disk 3, and increases the rotation reliability of the damper assembly 2.
[0056] The vehicle according to an embodiment of this application includes the air conditioner described above.
[0057] According to the vehicle of the embodiment of this application, the pressure plate 4 is disposed on the side of the cam disk 3 away from the box body 1. The pressure plate 4 is provided with a limiting post 41, which extends along the thickness direction of the pressure plate 4. The limiting post 41 is used to limit the rotation angle of the cam disk 3. When the cam disk 3 rotates, it drives the damper assembly 2 to rotate. When the damper assembly 2 rotates to the limit position, the cam disk 3 can abut against the limiting post 41 and the cam disk 3 stops rotating. This avoids the damper assembly 2 from disengaging from the cam disk 3 due to continuous rotation of the cam disk 3, and increases the rotation reliability of the damper assembly 2.
[0058] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. An air conditioning unit, characterized in that, include: Box body (1), the box body (1) is provided with a first opening (11); Cam disk (3), which is rotatably disposed on the outer peripheral wall of the box body (1); A damper assembly (2) is rotatably disposed at the first opening (11) for opening or closing the first opening (11), and the cam disk (3) drives the damper assembly (2) to rotate. A pressure plate (4) is provided on the side of the cam disk (3) away from the box body (1). A limiting post (41) is provided on the pressure plate (4). The limiting post (41) extends along the thickness direction of the pressure plate (4). The limiting post (41) is used to limit the rotation angle of the cam disk (3).
2. The air conditioning unit according to claim 1, characterized in that, The cam disk (3) has a first limit position and a second limit position. The cam disk (3) rotates between the first limit position and the second limit position. There are two limiting posts (41), and the two limiting posts (41) stop at the first limit position and the second limit position of the cam disk (3) respectively.
3. The air conditioning unit according to claim 2, characterized in that, The cam disk (3) is a fan-shaped disk. When the cam disk (3) is in the first limit position and the second limit position, the two limiting posts (41) respectively abut against the two end faces of the cam disk (3) in the circumferential direction of the axis.
4. The air conditioning unit according to claim 1, characterized in that, The cam disk (3) is provided with a limiting groove, and the limiting post (41) passes through the limiting groove. When the cam disk (3) rotates to the limit position, the limiting post (41) abuts against the side wall of the limiting groove in the length direction.
5. The air conditioning unit according to claim 2, characterized in that, On the projection of the pressure plate (4) in the thickness direction, there is an included angle A between the two connecting lines formed by connecting the points where the axes of the two limiting posts (41) are located and the points where the rotation axis of the cam disk (3) is located, and the following condition is met: 59.38°≤A≤59.58°.
6. The air conditioning unit according to claim 1, characterized in that, The outer diameter of the limiting post (41) is D and satisfies: 7.9mm≤D≤8.1mm; And / or, along the thickness direction of the pressure plate (4), the height of the limiting post (41) is h and satisfies: 9.4mm≤h≤9.6mm.
7. The air conditioning unit according to claim 1, characterized in that, The limiting post (41) is provided with a weight reduction hole (411), which extends along the axial direction of the limiting post (41).
8. The air conditioning unit according to claim 7, characterized in that, The minimum distance between the outer wall of the limiting post (41) and the inner wall of the weight reduction hole (411) is s, and satisfies: 1.9mm≤s≤2.1mm.
9. An air conditioner, characterized in that, include: The air conditioning unit (100) according to any one of claims 1-8.
10. A vehicle, characterized in that, include: The air conditioner according to claim 9.