Post evaporator air flow switch
Through innovative design of the base, housing assembly, and slider assembly, the problem of complex and costly design of existing rear evaporator airflow switches is solved, realizing a simple, low-cost airflow switch with good human-computer interaction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAITONG COMM ELECTRONICS
- Filing Date
- 2025-08-31
- Publication Date
- 2026-07-24
AI Technical Summary
Existing rear evaporator airflow switch designs are complex and costly.
The structure includes a base, housing assembly, slider assembly, and drive unit. The drive unit moves the slider body, and the moving contact piece contacts the stationary contact piece by squeezing and compressing the spring along the wave plate with a steel ball, thus realizing the gear function and providing feedback of the spring feel.
It achieves a simple and low-cost rear evaporator airflow switch, and provides a stable human-machine interaction experience.
Smart Images

Figure CN224554233U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rear evaporator airflow switches, specifically a rear evaporator airflow switch. Background Technology
[0002] A Chinese patent with patent number CN201220526442.6 discloses a rear evaporator airflow switch, which has a complex design and high cost, and therefore needs improvement. Utility Model Content
[0003] The purpose of this utility model is to provide a post-evaporator airflow switch to solve the problems mentioned in the background art. It has the advantages of simple product design and low cost.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a rear evaporator airflow switch, comprising a base and a housing assembly, wherein a slider assembly is provided inside the housing assembly, the slider assembly comprising a slider body and a bracket, the slider body being provided with multiple positioning holes, wherein a moving contact piece, a compression spring and a steel ball are installed in the positioning holes, and a driving component for driving the slider body to move is provided at one end of the slider body, the housing assembly comprising a housing body and a stationary contact piece mounted on the housing body, and a corrugated plate integrally connected to the base.
[0005] By adopting the above technical solution, the driving component drives the slider body to move, which in turn drives the moving contact plate, compression spring and steel ball in the positioning hole of the slider body to move together. During this process, the steel ball moves along the length of the wave plate and intermittently squeezes the compression spring, thereby driving the moving contact plate to move. When the moving contact plate moves to contact the stationary contact plate, the connection can be realized, thereby realizing the function of each gear. The tactile feedback of each gear is achieved by the steel ball on the wave plate to realize the spring tactile feel, which can realize human-computer interaction.
[0006] As a further embodiment of this utility model: the driving component includes a slider button that engages with one end of the slider body.
[0007] By adopting the above technical solution, the sliding button can drive the slider body to move.
[0008] As a further improvement of this utility model: the outer shell body is provided with a track, and the slider body is slidably connected to the track.
[0009] By adopting the above technical solution, the track setting makes the slider body move more stably.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] The driving component moves the slider body, which in turn moves the moving contact, compression spring, and steel ball located in the positioning hole of the slider body. During this process, the steel ball moves along the length of the wave plate, intermittently compressing the spring and thus moving the moving contact. When the moving contact moves to contact the stationary contact, the connection is achieved, thereby realizing the function of each gear. The tactile feedback of each gear is achieved by the steel ball on the wave plate, which realizes the spring feel, enabling human-computer interaction. Attached Figure Description
[0012] Figure 1 This is an exploded view diagram of an embodiment;
[0013] Figure 2 This is a schematic diagram of the outer casing assembly;
[0014] Figure 3 This is a schematic diagram of the slider assembly.
[0015] Figure 4 This is a schematic diagram showing the connection relationship between the moving contact, the compression spring, and the slider assembly.
[0016] Figure 5 This is a schematic diagram of the structure of an embodiment;
[0017] Figure 6 This is a schematic diagram illustrating the connection relationship between the track, compression spring, steel ball, and base in the embodiment.
[0018] Figure 7 This is a schematic diagram.
[0019] In the diagram: 1. Housing assembly; 2. Moving contact piece; 3. Compression spring; 4. Slider assembly; 5. Steel ball; 6. Base; 7. Button; 8. Housing body; 9. Stationary contact piece; 10. Slider body; 11. Support. Detailed Implementation
[0020] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0021] In this embodiment of the utility model,
[0022] A type of post-evaporator airflow switch, such as Figures 1-7As shown, the system includes a base 6 and a housing assembly 1. A slider assembly 4 is disposed inside the housing assembly 1. The slider assembly 4 includes a slider body 10 and a bracket 11. The slider body 10 is provided with multiple positioning holes. A moving contact piece 2, a compression spring 3, and a steel ball 5 are installed in the positioning holes. A driving component for driving the slider body 10 to move is provided at one end of the slider body 10. The housing assembly 1 includes a housing body 8 and a stationary contact piece 9 installed on the housing body 8. A wave plate is integrally connected to the base 6.
[0023] The driving component includes a slider button 7 that engages with one end of the slider body 10.
[0024] The outer shell body 8 is provided with a track, and the slider body 10 is slidably connected to the track.
[0025] The slider assembly 4 is injection molded from the slider body 10 and the bracket 11.
[0026] Working principle:
[0027] The driving component drives the slider body 10 to move, which in turn drives the moving contact 2, compression spring 3 and steel ball 5 located in the positioning hole of the slider body 10 to move together. During this process, the steel ball 5 moves along the length of the wave plate and intermittently squeezes the compression spring 3, thereby driving the moving contact 2 to move. When the moving contact 2 moves to contact the stationary contact 9, the connection is realized, thereby realizing the function of each gear. The tactile feedback of each gear is achieved by the steel ball 5 on the wave plate to realize the spring tactile feel, which can realize human-computer interaction.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A post-evaporator airflow switch, comprising a base (6) and a housing assembly (1), characterized in that: The housing assembly (1) is provided with a slider assembly (4), which includes a slider body (10) and a bracket (11). The slider body (10) is provided with multiple positioning holes. A moving contact piece (2), a compression spring (3) and a steel ball (5) are installed in the positioning holes. One end of the slider body (10) is provided with a driving component for driving the slider body (10) to move. The housing assembly (1) includes a housing body (8) and a stationary contact piece (9) installed on the housing body (8). The base (6) is integrally connected with a wave plate.
2. The rear evaporator airflow switch according to claim 1, characterized in that: The driving component includes a slider button (7) that engages with one end of the slider body (10).
3. The post-evaporator airflow switch according to claim 1, characterized in that: The outer shell body (8) is provided with a track, and the slider body (10) is slidably connected to the track.