Sealing type automobile sensor shell

By designing sealing components in the automotive sensor housing, the plastic deformation of the guide and seals is used to solve the gap problem caused by bumps during use of the sensor housing, achieving higher sealing and stability, and extending the service life of the sensor.

CN222978856UActive Publication Date: 2025-06-13SUZHOU OUXI AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202422197540.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-06-13
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

During use, existing automotive sensor housings are prone to gaps due to bumps, which reduces sealing, and may be invaded by moisture in the air, affecting the use effect of the sensor.

Method used

A sealed automotive sensor housing is designed, and a sealing assembly includes a guide, an annular groove and a seal. Through the plastic deformation of the guide and seal, close contact and seal between the automotive sensor and the housing is achieved.

Benefits of technology

It improves the stability and sealing of the car sensor in the housing, avoids gap problems caused by bumps, and effectively prevents moisture from entering the air, extending the service life of the sensor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealed automobile sensor shell, which belongs to the technical field of automobile sensors and comprises an automobile sensor shell body and a sealing assembly. The sealing assembly is arranged in the automobile sensor shell body; the sealing assembly comprises a guide piece, an annular groove and a sealing piece; the guide piece is fixedly arranged on the automobile sensor shell body and is in contact with the automobile sensor; an annular groove is formed in the automobile sensor shell body; the sealing piece is embedded in the annular groove and is in contact with the automobile sensor; the guide piece is of an annular structure and comprises a connecting part and a guide part, the cross section of the connecting part is of an inclined structure, the connecting part is inclined inwards, and the cross section of the guide part is of an arc-shaped structure; the sealing piece is of an annular structure, the cross section of the sealing piece is of an L-shaped inclined structure, the sealing piece inclines inwards, the sealing type automobile sensor shell is simple and reasonable in structural design, the automobile sensor can be attached to the automobile sensor shell body, and the sealing performance is good.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automotive sensors, and particularly relates to a sealed automotive sensor housing. Background Art

[0002] An automotive sensor is a device that can sense the surrounding environment of an automobile and send signals. It converts physical or chemical quantities into signals readable by electronic devices. These sensors are used to detect information such as the operating state, position, and speed of the automobile, and transmit this information to the vehicle control system to achieve optimal control of the vehicle. Common types of automotive sensors include temperature sensors, speed sensors, pressure sensors, flow sensors, gas sensors, etc., as well as environment perception sensors such as vision sensors, radar sensors, and infrared sensors.

[0003] Currently, automotive sensors on the market are all fixed inside the automotive sensor housing. The automotive sensor housing is threadedly connected to the internal fixture of the automobile, and the automotive sensor is fixed inside the automotive sensor housing by means of insertion. Although the traditional installation method between the automotive sensor and the automotive sensor housing can achieve fixation, during the driving process of the automobile, bumps are inevitable, and after long-term use, there will be a gap between the automotive sensor and the automotive sensor housing, reducing the sealing performance between the automotive sensor and the automotive sensor housing. At the same time, moisture in the air will enter the automotive sensor and damage the automotive sensor, thereby affecting the use effect of the automotive sensor housing. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sealed automotive sensor housing to solve the problems raised in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A sealed automotive sensor housing, comprising an automotive sensor housing body and a sealing component; the sealing component is arranged inside the automotive sensor housing body; wherein, the sealing component includes a guiding member, an annular groove, and a sealing member; the guiding member is fixedly arranged on the automotive sensor housing body and contacts the automotive sensor; an annular groove is formed inside the automotive sensor housing body; the sealing member is embedded in the annular groove and contacts the automotive sensor.

[0006] As a preferred implementation, the guiding member is of an annular structure, and the guiding member includes a connecting portion and a guiding portion. The cross-section of the connecting portion is of an inclined structure, and the inclined direction of the connecting portion is set inward, and the cross-section of the guiding portion is of an arc structure.

[0007] As a preferred implementation, the bottom of the connecting portion is of a triangular structure.

[0008] As a preferred embodiment, the seal is in a ring structure, and the cross-section of the seal is an L-shaped inclined structure, and the inclined direction of the seal is arranged inward.

[0009] As a preferred embodiment, it further includes a clamping and limiting component; the clamping and limiting component is arranged inside the automotive sensor housing body.

[0010] As a preferred embodiment, the clamping and limiting component includes a receiving groove and a clamping and limiting elastic plate; a plurality of receiving grooves are arranged in a circular array inside the automotive sensor housing body; the clamping and limiting elastic plate is fixedly arranged in the receiving groove; wherein, the clamping and limiting elastic plate is in contact with the automotive sensor.

[0011] As a preferred embodiment, the clamping and limiting elastic plate is in an arc-shaped inclined structure, and the high end of the clamping and limiting elastic plate is arranged close to the direction of the receiving groove, and the low end of the clamping and limiting elastic plate is arranged away from the direction of the receiving groove.

[0012] Compared with the prior art, the technical effects and advantages of the present utility model are as follows:

[0013] For this sealed automotive sensor housing, by providing a sealing component, during use, first, insert the automotive sensor into the automotive sensor housing body, so that the automotive sensor presses the guiding part, causing the connecting part to undergo plastic deformation, making the automotive sensor always in contact with the guiding part, and making the automotive sensor press the inclined surface of the seal, causing the seal to undergo plastic deformation, enabling the seal to seal the automotive sensor, fixing the position of the automotive sensor in the automotive sensor housing body, improving the stability of the automotive sensor in the automotive sensor housing body, and moreover, making the automotive sensor have sealing performance between the automotive sensor housing bodies, avoiding gaps between the automotive sensor and the automotive sensor housing body due to jolting. Compared with the prior art, the structure design of the present utility model is simple and reasonable, enabling the automotive sensor and the automotive sensor housing body to fit well and having good sealing performance.

[0014] For this sealed automotive sensor housing, by providing a receiving groove and a clamping and limiting elastic plate, and setting the clamping and limiting elastic plate as an arc-shaped inclined structure, when the automotive sensor contacts the clamping and limiting elastic plate, the clamping and limiting elastic plate will deform and incline towards the receiving groove until the clamping and limiting elastic plate contacts the automotive sensor. At this time, the clamping and limiting elastic plate no longer inclines, and due to the shape of the clamping and limiting elastic plate, the automotive sensor will be pressed against the inside of the automotive sensor housing body, restricting the automotive sensor inside the automotive sensor housing body and further improving the stability of the automotive sensor in the automotive sensor housing body. Description of the Drawings

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a sectional view of the overall structure of the present invention;

[0018] Figure 3 It is a sectional view of the structure of the automotive sensor housing body of the present invention;

[0019] Figure 4 For the present invention Figure 2 The enlarged schematic view at position A in

[0020] Explanation of reference numerals:

[0021] In the figure:

[0022] 1. Automotive sensor housing body; 2. Sealing assembly; 3. Clamping and limiting assembly;

[0023] 201. Guide member; 202. Annular groove; 203. Sealing member;

[0024] 2011. Connecting portion; 2012. Guiding portion;

[0025] 301. Accommodating groove; 302. Clamping and limiting elastic plate. Specific embodiments

[0026] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some well-known technical features in the art are not described.

[0027] Unless otherwise defined, the up, down, left, right, front, back, inner and outer directions involved in this article are based on the up, down, left, right, front, back, inner and outer directions in the figures shown in the present invention, and are hereby explained together.

[0028] The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., depending on actual needs.

[0029] Please refer toFigures 1 to 4 As shown in the figure, this embodiment includes an automotive sensor housing body 1 and a sealing assembly 2; the sealing assembly 2 is arranged inside the automotive sensor housing body 1; wherein, the sealing assembly 2 includes a guiding member 201, an annular groove 202 and a sealing member 203; the guiding member 201 is fixedly arranged on the automotive sensor housing body 1 and contacts the automotive sensor; an annular groove 202 is formed inside the automotive sensor housing body 1; the sealing member 203 is embedded in the annular groove 202 and contacts the automotive sensor; wherein, the guiding member 201 is of an annular structure, and the guiding member 201 includes a connecting portion 2011 and a guiding portion 2012, the cross-section of the connecting portion 2011 is of an inclined structure, and the inclined direction of the connecting portion 2011 is inward, the cross-section of the guiding portion 2012 is of an arc structure; wherein, the bottom of the connecting portion 2011 is of a triangular structure, increasing the contact area between the guiding member 201 and the automotive sensor housing body 1 and improving the connection strength between the guiding member 201 and the automotive sensor housing body 1; wherein, the sealing member 203 is of an annular structure, and the cross-section of the sealing member 203 is of an L-shaped inclined structure, and the inclined direction of the sealing member 203 is inward.

[0030] In this utility model, by providing the sealing assembly 2, during use, first, insert the automotive sensor into the automotive sensor housing body 1, so that the automotive sensor presses the guiding portion 2012, causing the connecting portion 2011 to undergo plastic deformation, enabling the automotive sensor to always contact the guiding portion 2012, and causing the automotive sensor to press the inclined surface of the sealing member 203, causing the sealing member 203 to undergo plastic deformation, enabling the sealing member 203 to seal the automotive sensor, fixing the position of the automotive sensor inside the automotive sensor housing body 1, improving the stability of the automotive sensor inside the automotive sensor housing body 1, and moreover, making the automotive sensor have sealing performance between the automotive sensor housing bodies 1, avoiding gaps between the automotive sensor and the automotive sensor housing body 1 due to bumps. Compared with the prior art, the structural design of this utility model is simple and reasonable, enabling the automotive sensor to fit with the automotive sensor housing body 1 and having good sealing performance.

[0031] As a preferred embodiment, it further includes a limiting and clamping assembly 3; the limiting and clamping assembly 3 is arranged inside the automotive sensor housing body 1; wherein, the limiting and clamping assembly 3 includes a receiving groove 301 and a limiting and clamping elastic plate 302; six receiving grooves 301 are formed in an annular array inside the automotive sensor housing body 1; the limiting and clamping elastic plate 302 is fixedly arranged in the receiving groove 301; wherein, the limiting and clamping elastic plate 302 contacts the automotive sensor; wherein, the limiting and clamping elastic plate 302 is of an arc-shaped inclined structure, and the high end of the limiting and clamping elastic plate 302 is arranged close to the direction of the receiving groove 301, and the low end of the limiting and clamping elastic plate 302 is arranged away from the direction of the receiving groove 301.

[0032] ​The utility model sets an accommodation groove 301 and a clamping and limiting elastic plate 302, and the clamping and limiting elastic plate 302 is set as an arc-shaped inclined structure. When the vehicle sensor contacts the clamping and limiting elastic plate 302, the clamping and limiting elastic plate 302 will deform and incline towards the accommodation groove 301 until the clamping and limiting elastic plate 302 contacts the vehicle sensor. At this time, the clamping and limiting elastic plate 302 no longer inclines, and due to the shape of the clamping and limiting elastic plate 302, the vehicle sensor will be pressed against the inside of the vehicle sensor housing body 1, so that the vehicle sensor is restricted within the vehicle sensor housing body 1, further improving the stability of the vehicle sensor within the vehicle sensor housing body 1.

[0033] Working principle

[0034] When the sealed vehicle sensor housing is in use, first, insert the vehicle sensor into the vehicle sensor housing body 1, so that the vehicle sensor presses the guiding part 2012, causing the connecting part 2011 to undergo plastic deformation, so that the vehicle sensor is always in contact with the guiding part 2012, and the vehicle sensor presses the inclined surface of the sealing member 203, causing the sealing member 203 to undergo plastic deformation, so that the sealing member 203 can seal the vehicle sensor, fixing the position of the vehicle sensor within the vehicle sensor housing body 1, improving the stability of the vehicle sensor within the vehicle sensor housing body 1, and moreover, making the vehicle sensor have sealing performance between the vehicle sensor housing body 1, avoiding gaps between the vehicle sensor and the vehicle sensor housing body 1 due to jolting, and the vehicle sensor will contact the clamping and limiting elastic plate 302, causing the clamping and limiting elastic plate 302 to deform and incline towards the accommodation groove 301 until the clamping and limiting elastic plate 302 contacts the vehicle sensor. At this time, the clamping and limiting elastic plate 302 no longer inclines, and due to the shape of the clamping and limiting elastic plate 302, the vehicle sensor will be pressed against the inside of the vehicle sensor housing body 1, so that the vehicle sensor is restricted within the vehicle sensor housing body 1, further improving the stability of the vehicle sensor within the vehicle sensor housing body 1.

[0035] It should be noted that in this article, relational terms such as "one" and "two" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0036] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A sealed automotive sensor housing, characterized in that: include: Automobile sensor housing body (1); A sealing component (2) is arranged in the housing body (1) of the automobile sensor; The sealing component (2) comprises a guide (201), an annular groove (202) and a sealing component (203); the guide (201) is fixedly mounted on the vehicle sensor housing body (1) and in contact with the vehicle sensor; an annular groove (202) is provided in the vehicle sensor housing body (1); and the sealing component (203) is embedded in the annular groove (202) and in contact with the vehicle sensor.

2. A sealed automotive sensor housing according to claim 1, characterized in that: The guide member (201) is an annular structure, and comprises a connecting portion (2011) and a guiding portion (2012); the connecting portion (2011) has an inclined cross-section, and the connecting portion (2011) is arranged in an inwardly inclined direction; and the guiding portion (2012) has an arc-shaped cross-section.

3. A sealed automotive sensor housing according to claim 2, characterized in that: The bottom of the connecting portion (2011) is a triangular structure.

4. A sealed automotive sensor housing according to claim 1, characterized in that: The sealing member (203) is an annular structure, and the cross section of the sealing member (203) is an L-shaped inclined structure, and the sealing member (203) is arranged with its inclination direction facing inwards.

5. The sealed automotive sensor housing according to claim 1, characterized in that: Also includes: The clamping assembly (3) is arranged in the housing body (1) of the automobile sensor.

6. A sealed automotive sensor housing according to claim 5, characterized in that: The card limit component (3) comprises: The automobile sensor housing body (1) is provided with a plurality of accommodating grooves (301) in a circular array; A card-limiting spring plate (302) is fixedly arranged in the receiving groove (301); Wherein, the card limiting spring plate (302) is in contact with the automobile sensor.

7. A sealed automotive sensor housing according to claim 6, characterized in that: The card limit spring plate (302) is an arc-shaped inclined structure, and the high end of the card limit spring plate (302) is arranged close to the receiving groove (301), and the low end of the card limit spring plate (302) is arranged away from the receiving groove (301).