Automobile chassis sensor
By setting a waterproof groove on the outer protruding part of the IC mounting bracket and filling it inside the injection molded shell, the welding area is increased and the moisture path is extended, which solves the problem of poor waterproof performance of automotive chassis sensors and achieves a better sealing effect.
Patent Information
- Application Number
- CN202520558999.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-27
AI Technical Summary
The existing waterproof structure design of automotive chassis sensors is insufficient, resulting in a high risk of water ingress into the sensors in harsh environments.
A waterproof groove is provided on the protruding part of the IC mounting bracket, and the waterproof groove is filled inside the injection molded shell to increase the welding area and extend the moisture entry path, forming a tight sealing layer.
The waterproof performance of the car chassis sensors has been improved, reducing the risk of water ingress into the sensors.
Smart Images
Figure CN223957784U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sensor equipment technical field especially relates to car chassis sensor. BACKGROUND
[0002] In prior art, the common waterproof structure design of car chassis sensor is pure waterproof ring, through high temperature melting of waterproof ring when shell injection molding, make it appear welding zone, and then reach the purpose of waterproof.
[0003] However, car chassis often is in the harsh working environment, in actual work process, the welding effect can not very good satisfy the waterproof requirement of car chassis sensor, the risk of sensor water is bigger. UTILITY MODEL CONTENT
[0004] The application embodiment provides a kind of car chassis sensor, it can effectively improve the waterproof effect of car chassis sensor, low in cost.
[0005] The application embodiment provides a kind of car chassis sensor, including sensing chip, IC fixed support and injection shell, wherein the IC fixed support includes main body fixed part and the external protruding part that protrudes symmetrically at the both sides of the main body fixed part, the sensing chip is installed in the main body fixed part, the external protruding part is equipped with waterproof groove, the IC fixed support is equipped with waterproof ring in the inner side of the waterproof groove, wherein the injection shell is used to encapsulate the sensing chip in the main body fixed part, and the injection shell part is located in the waterproof groove.
[0006] In a possible implementation mode, the external protruding part is plate-shaped, and the waterproof grooves are symmetrically distributed on both sides of the width direction of the external protruding part.
[0007] In a possible implementation mode, the waterproof groove is annular groove, and longitudinally penetrates the annular surface of the IC fixed support.
[0008] In a possible implementation mode, the waterproof groove is U-shaped groove, V-shaped groove or spiral groove.
[0009] In a possible implementation mode, the size of the waterproof groove filled by the injection shell is less than 1 / 2 of the groove width size of the waterproof groove.
[0010] In a possible implementation mode, the IC fixed support is plastic support.
[0011] Beneficial effects: compared with the prior art, the automobile chassis sensor provided by the application sets a waterproof groove on the external protruding part of the IC fixing support, and the injection molding shell part is located in the waterproof groove, which can increase the area of the injection molding sealing glue, thereby improving the welding degree of the waterproof ring, forming a tighter sealing layer, and on the other hand, the length of the water inlet path can be extended through the waterproof groove, thereby effectively improving the waterproof performance of the automobile chassis sensor.
[0012] These and other objects, features and advantages of the present application will become apparent with reference to the following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 The structure of the automobile chassis sensor of the application is shown.
[0014] Fig. 2 The structure of the IC fixing support in the application is shown.
[0015] Fig. 3 The cross-sectional structure of the automobile chassis sensor of the application is shown. DETAILED DESCRIPTION
[0016] The following description is used to disclose the present application so that those skilled in the art can implement the present application. The preferred embodiments in the following description are only used as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the present application defined in the following description can be applied to other embodiments, modifications, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present application.
[0017] Those skilled in the art should understand that in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the above terms cannot be understood as a limitation of the present application.
[0018] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.
[0019] REFERENCE Figs. 1 to 3The embodiment of the present application provides a kind of automobile chassis sensor, including sensing chip 10, IC fixed support 20 and injection molding shell 30, wherein the IC fixed support 20 includes main body fixed part 21 and the external protruding portion 22 that is protruding symmetrically on the both sides of the main body fixed part 21, wherein the sensing chip 10 is installed in the main body fixed part 21, in addition, the external protruding portion 22 is equipped with waterproof groove 201, and the IC fixed support 20 is equipped with waterproof ring 23 in the inner side of the waterproof groove 201, wherein the injection molding shell 30 is used to encapsulate the sensing chip 10 in the main body fixed part 21, and the injection molding shell 30 part is located in the waterproof groove 201.
[0020] Specifically, injection molding shell 30 is encapsulated on the main body fixed part 21 of IC fixed support 20 by encapsulation injection molding process.In the injection molding process, a part of injection molding shell 30 is filled into the gap of waterproof ring 23, so that waterproof ring 23 can be more fully welded in the encapsulation injection molding process, a more tightly sealed layer is formed, water is prevented from entering the inside of the sensor through the injection molding gap, and at the same time, a part of injection molding shell 30 is also filled into waterproof groove 201, the path length of water entering can be increased through waterproof groove 201, in addition, the area of encapsulation injection molding can be increased through waterproof groove 201, and the waterproof performance of the automobile chassis sensor can be further improved.
[0021] The IC fixed support 20 is a plastic support.
[0022] In one embodiment, the external protruding portion 22 is plate-shaped, and the waterproof grooves 201 are symmetrically distributed on the two sides of the width direction of the external protruding portion 22.
[0023] In another embodiment, the waterproof groove 201 is an annular groove, and the waterproof groove 201 penetrates the annular surface of the IC fixed support 20, at this time, it is not limited to what shape the protruding portion 22 is, and it is more convenient to use.
[0024] In one embodiment, the waterproof groove 201 is a U-shaped groove, a V-shaped groove or a spiral groove.
[0025] In one embodiment, the size of the filled part of the waterproof groove 201 by the injection molding shell 30 is less than 1 / 2 of the groove width size of the waterproof groove 201, so as to ensure that the injection molding shell 30 and the IC fixed support 20 have good connection tightness, and the encapsulation sealing effect is better.
[0026] Those skilled in the art will understand that the embodiments of the present application described above and shown in the drawings are merely by way of example and do not limit the present application. The advantages of the present application have been fully and effectively realized. The functions and structural principles of the present application have been demonstrated and described in the embodiments, and the embodiments of the present application can have any variations or modifications without departing from the principles.
Claims
1. An automotive chassis sensor, characterized in that, The IC fixing support includes a main body fixing part and external protruding parts protruding symmetrically on both sides of the main body fixing part, the sensor chip is installed on the main body fixing part, the external protruding parts are provided with waterproof grooves, and the IC fixing support is sleeved with waterproof rings on the inner side of the waterproof grooves.
2. The automotive chassis sensor of claim 1, wherein, The external protruding parts are plate-shaped, and the waterproof grooves are symmetrically distributed on both sides in the width direction of the external protruding parts.
3. The automotive chassis sensor of claim 1, wherein, The waterproof grooves are annular grooves, which longitudinally pass through the annular surface of the IC fixing support.
4. An automotive chassis sensor according to claim 2 or 3, wherein, The waterproof grooves are U-shaped grooves, V-shaped grooves or spiral grooves.
5. The automotive chassis sensor of claim 1, wherein, The size of the filling part of the injection-molded shell is less than 1 / 2 of the groove width size of the waterproof grooves.
6. The automotive chassis sensor of claim 1, wherein, The IC fixing support is a plastic support.