Automobile body height sensor structure

Abstract

The utility model discloses an automobile body height sensor structure, which relates to the technical field of sensors and comprises a Hall sensing structure, a connecting rod unit, a swing arm and a rotating shaft, the swing arm is movably mounted on the Hall sensing structure through the rotating shaft, a magnet is arranged on the rotating shaft, and the connecting rod unit is movably mounted on the Hall sensing structure through a first universal ball head. The Hall sensor further comprises an insertion piece, an insertion groove is formed in the outer wall of the rotating shaft, the insertion piece is arranged on the Hall sensing structure, and the insertion piece is matched with the insertion groove to movably install the rotating shaft in the Hall sensing structure. Through the arrangement of the insertion piece, the cumbersome process of crimping the copper ring and the rotating shaft is omitted, the swing arm can be quickly mounted, the reliability and the stability of a product are improved, through the arrangement of the insertion piece structure, the equipment investment is reduced, the process takt time is shortened, the production time is greatly shortened, the productivity is improved, and the production cost is reduced. And the product is more reliable and the input cost is saved by reducing processes.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a structure of an automotive body height sensor. Background Art

[0002] Automotive sensors, as the information sources of automotive electronic control systems, are key components of automotive electronic control systems and are also one of the core research contents in the field of automotive electronic technology. In recent years, the application of high-intensity discharge lamps (HIDs) in automobiles has become increasingly popular. Compared with traditional halogen headlights, automotive headlights using HID technology have a series of advantages such as high brightness, long lifespan, and low power consumption. However, due to the excessively high brightness of HIDs, without taking other auxiliary measures, it will cause glare to the oncoming driver during oncoming vehicle encounters. To prevent glare to oncoming vehicles during vehicle driving and affect driving safety, it is essential for the body height sensor to monitor the chassis body in real time. The body height sensor (English: Chassis Height Sensor, also called axle height sensor, vehicle attitude sensor, suspension height sensor, etc.) is an essential component for measuring the attitude changes of the front and rear suspensions of the vehicle body in automobiles. Currently, automotive suspension control systems (such as active suspension systems, suspension damping control systems, air suspension systems, etc.) and the headlight automatic adjustment system all need to measure the changes in the driving attitude of the vehicle through this sensor.

[0003] In the prior art, the installation of the swing arm structure of the body height sensor is through the crimping of a copper ring and a rotating shaft. The copper ring is integrally injection-molded with the swing arm, and the magnet is installed on the rotating shaft. This installation method is relatively complex and it is difficult to achieve the rapid installation of the swing arm structure. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a structure of an automotive body height sensor to solve the above technical problems.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A structure of an automotive body height sensor includes a Hall induction structure, a connecting rod unit, a swing arm, and a rotating shaft. The swing arm is movably installed on the Hall induction structure through the rotating shaft. A magnet is provided on the rotating shaft. The connecting rod unit is movably installed on the Hall induction structure through a first universal ball head. It further includes an insertion piece. A slot is opened on the outer wall of the rotating shaft, and the insertion piece is provided on the Hall induction structure. The insertion piece cooperates with the slot to movably install the rotating shaft within the Hall induction structure.

[0007] Preferably, the upper end of the Hall induction structure has a housing with a through hole inside, and the rotating shaft is installed in the through hole.

[0008] As a further preference, mounting grooves are formed on both sides of the housing, and the two insertion pieces pass through the two mounting grooves and are located in the insertion slots.

[0009] As a preference, an arc-shaped groove is formed on one side of each insertion piece, and a first notch is formed in the middle of the arc-shaped groove.

[0010] As a further preference, second notches are respectively formed at both ends of the insertion piece.

[0011] As a preference, inclined surfaces are provided on the surfaces at both ends of the insertion piece, and guiding surfaces and clamping surfaces are formed on both sides of the mounting groove.

[0012] As a preference, a vehicle body bracket is further included, and the vehicle body bracket is connected to the Hall induction structure.

[0013] As a preference, the connecting rod unit is connected to the cantilever bracket through a second universal ball head.

[0014] The above technical solution has the following advantages or beneficial effects:

[0015] In the present utility model, through the arrangement of the insertion piece, the cumbersome process of crimping the copper ring and the rotating shaft is eliminated, the rapid installation of the swing arm can be realized, and the reliability and stability of the product are improved. Through the arrangement of the insertion piece structure, the equipment investment is reduced, the process beat time is shortened, the production time is greatly shortened, the production capacity is improved, and the process makes the product more reliable and saves the input cost. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the vehicle body height sensor structure in the present utility model;

[0017] Figure 2 is a schematic structural diagram of the insertion piece in the present utility model;

[0018] Figure 3 is an installation schematic diagram of the swing arm, the Hall induction structure and the insertion piece in the present utility model;

[0019] Figure 4 is Figure 3 an exploded schematic diagram of;

[0020] Figure 5 is Figure 3 a sectional view taken along the A-A direction in;

[0021] Figure 6 is Figure 4 an enlarged view at B in;

[0022] In the figure: 1. Hall induction structure; 2. Link unit; 3. Swing arm; 4. Rotating shaft; 5. Magnet; 6. Insert piece; 7. Slot; 8. Body bracket; 9. Housing; 10. Through hole; 11. Installation groove; 12. Arc groove; 13. First notch; 14. Second notch; 15. Inclined surface; 16. Guide surface; 17. Clamping surface; 18. Limit ring; 19. Limit groove. Detailed implementation mode

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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, and thus cannot be understood as a limitation of the present utility model. In addition, terms such as "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] Figure 1 is a structural schematic diagram of the vehicle body height sensor structure in the present utility model; Figure 2 is a structural schematic diagram of the insert piece in the present utility model; Figure 3 is an installation schematic diagram of the swing arm, Hall induction structure and insert piece in the present utility model; Figure 4 is Figure 3 an exploded schematic diagram; Figure 5 is Figure 3 a sectional view taken along the A-A direction in; Figure 6 is Figure 4 an enlarged view at position B in, please refer to Figures 1 to 6As shown in the figure, a preferred embodiment is shown, which is a structure of an automotive body height sensor, including a Hall induction structure 1, a link unit 2, a swing arm 3 and a rotating shaft 4. The swing arm 3 is movably installed on the Hall induction structure 1 through the rotating shaft 4. A magnet 5 is provided on the rotating shaft 4. The link unit 2 is movably installed on the Hall induction structure 1 through a first universal ball head. It further includes an insert piece 6. A slot 7 is formed on the outer wall of the rotating shaft 4. The insert piece 6 is provided on the Hall induction structure 1. The insert piece 6 cooperates with the slot 7 to movably install the rotating shaft 4 inside the Hall induction structure 1. In this embodiment, refer to Figure 1 As shown, it further includes a body bracket 8. The body bracket 8 is connected to the Hall induction structure 1 through bolts, and then the body bracket 8 is connected to the vehicle body chassis through other bolts to realize the installation of the Hall induction structure 1. The link unit 2 is connected to the cantilever bracket through a second universal ball head. During use, the Hall induction structure 1 (Hall angle sensor) converts the mechanical movement of the vehicle body into an electrical signal and inputs it to the Master ECU (main electronic control unit). The body height sensor thus feeds back the current attitude of the vehicle body.

[0027] In this embodiment, the swing arm 3 is installed on the Hall induction structure 1 through the insert piece 6 and forms an integral body with the Hall induction structure 1. Through the setting of the insert piece 6, the cumbersome process of crimping the copper ring and the rotating shaft 4 is eliminated, the rapid installation of the swing arm 3 can be realized, the increase in cost caused by using too many metal parts is avoided, and the reliability and stability of the product are improved while canceling the crimping. By improving the installation structure design of the swing arm 3, the equipment investment is reduced, the process cycle time is shortened, the production time is greatly shortened, the production capacity is improved, and the process is reduced to make the product more reliable and save the input cost.

[0028] Further, as a preferred implementation manner, the upper end of the Hall induction structure 1 has a housing 9, and a through hole 10 is provided inside the housing 9. The rotating shaft 4 is installed in the through hole 10. Among them, the housing 9 is integrally provided with the Hall induction structure 1, and the housing 9 is provided in a cylindrical shape.

[0029] Further, as a preferred implementation manner, mounting grooves 11 are formed on both sides of the housing 9. Two insert pieces 6 pass through the two mounting grooves 11 and are located in the slot 7. The mounting grooves 11 communicate with the through hole 10 inside the housing 9. When the rotating shaft 4 is inserted into the housing 9, and then the insert piece 6 is inserted, so that the insert piece 6 enters the slot 7 to realize the limitation of the position of the rotating shaft 4, avoid the rotating shaft 4 from disengaging from the through hole 10, limit the axial movement of the rotating shaft 4, but do not limit the circumferential rotation of the rotating shaft 4.

[0030] Further, as a preferred embodiment, an arc-shaped groove 12 is formed on one side of each insert piece 6, and a first notch 13 is formed in the middle of the arc-shaped groove 12. Second notches 14 are respectively formed at both ends of the insert piece 6. In this embodiment, the first notch 13 and the second notches 14 are provided to facilitate a certain deformation of the insert piece 6 when it is squeezed, so that the insert piece 6 can enter the installation groove 11 and be stuck in the installation groove 11. One side of the insert piece 6 is located in the slot 7 of the rotating shaft 4. The arc-shaped groove 12 is formed on the insert piece 6 to facilitate the cooperation with the inner wall of the slot 7. The slot 7 is annularly arranged.

[0031] Further, as a preferred embodiment, inclined surfaces 15 are formed on the surfaces of both ends of the insert piece 6, and guiding surfaces 16 and clamping surfaces 17 are formed on both sides of the installation groove 11. The position of the guiding surface 16 is not limited to the two side surfaces of the installation groove 11, and the guiding surfaces 16 can also be formed on the upper and lower side surfaces of the installation groove 11. Refer to Figure 2 and Figure 6 As shown, the guiding surfaces 16 are provided to cooperate with the surfaces of both ends of the insert piece 6 to facilitate the insert piece 6 to enter the installation groove 11. When one side of the insert piece 6 enters the slot 7, the inclined surfaces 15 on the surfaces of both ends of the insert piece 6 will abut against the clamping surfaces 17 of the installation groove 11, so that the insert piece 6 is restricted in the installation groove 11. Only when a certain acting force is applied outward to the insert piece 6 can the insert piece 6 be taken out of the installation groove 11.

[0032] In this embodiment, the rotating shaft 4 and the magnet 5 are injection-molded, and the magnet 5 is located at one end of the rotating shaft 4 away from the swing arm 3.

[0033] In this embodiment, a limiting ring 18 is further included. The limiting ring 18 is also provided in the through hole 10 of the housing 9, and the limiting ring 18 is located above the installation groove 11. A limiting groove 19 is formed on the outer wall of the rotating shaft 4 for cooperating with the limiting ring 18. Through the setting of the limiting ring 18, the concentricity of the rotating shaft 4 and the through hole 10 of the housing 9 is maintained.

[0034] The above are only preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. An automotive body height sensor structure, comprising a Hall induction structure, a connecting rod unit, a swing arm and a rotating shaft. The swing arm is movably mounted on the Hall induction structure through the rotating shaft. A magnet is provided on the rotating shaft. The connecting rod unit is movably mounted on the Hall induction structure through a first universal ball head, and is characterized in that It further includes an insert piece. A slot is formed on the outer wall of the rotating shaft, and the insert piece is provided on the Hall induction structure. The insert piece is matched with the slot to movably install the rotating shaft in the Hall induction structure.

2. The structure of the vehicle body height sensor according to claim 1, characterized in that, The upper end of the Hall induction structure has a housing with a through hole inside, and the rotating shaft is installed in the through hole.

3. The structure of the vehicle body height sensor according to claim 2, characterized in that, Mounting grooves are formed on both sides of the housing, and the two insert pieces pass through the two mounting grooves and are located in the slots.

4. The structure of the vehicle body height sensor according to claim 1, wherein, An arc-shaped groove is formed on one side of each insert piece, and a first notch is formed in the middle of the arc-shaped groove.

5. The structure of the vehicle body height sensor according to claim 4, characterized in that, Second notches are respectively formed at both ends of the insert piece.

6. The structure of the vehicle body height sensor according to claim 3, wherein Inclined surfaces are provided on the surfaces at both ends of the insert piece, and guiding surfaces and clamping surfaces are formed on both sides of the mounting groove.

7. The structure of the vehicle body height sensor according to claim 1, characterized in that, It further includes a vehicle body bracket, and the vehicle body bracket is connected to the Hall induction structure.

8. The structure of the vehicle body height sensor according to claim 1, characterized in that, The link unit is connected to the cantilever bracket through a second universal ball head.

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