Automobile sensor shell

Abstract

The utility model provides an automobile sensor housing, which relates to the technical field of automobile parts, and is characterized in that four annular lips are designed on the automobile sensor housing, and the four annular lips realize a sealing effect after being extruded. The shell is integrally formed and vertically through, a first radial side edge is arranged at an upper opening of the shell, and the inner edge of the first radial side edge is vulcanized to form a sealing lip ring; the sealing lip ring comprises an annular base part, and a first annular lip piece, a second annular lip piece, a third annular lip piece and a fourth annular lip piece which are arranged on the annular base part; the first annular lip piece and the second annular lip piece are concentrically arranged on the upper end face of the annular base part, and the upper portions of the first annular lip piece and the second annular lip piece incline outwards and are equal in height. The third annular lip piece and the fourth annular lip piece are arranged on the inner side face of the annular base part in an up-down opening mode. And the third annular lip piece, the fourth annular lip piece and the part between the third annular lip piece and the fourth annular lip piece on the annular base part are in smooth transition and form an inner wall surface with a >-shaped section.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to an automobile sensor housing. Background Art

[0002] Wheel speed sensor is a sensor used to measure the rotation speed of the car wheels. For modern cars, wheel speed information is indispensable. Vehicle dynamic control system (VDC), electronic stability program (ESP), anti-lock braking system (ABS), automatic transmission control system, etc. all need wheel speed information. Therefore, wheel speed sensor is one of the most critical sensors in modern cars. The sealing structure on the housing of the wheel speed sensor currently used is usually a conventional rubber ring, which has poor sealing performance and the risk of falling off. Foreign matter (such as mud and sand) can easily enter the sensor, causing the sensor to work abnormally. Utility Model Content

[0003] The utility model provides an automobile sensor housing. A sealing lip ring is designed on the automobile sensor housing. Four annular lip pieces are arranged on the sealing lip ring. After the four annular lip pieces are squeezed, a good sealing effect is achieved to block foreign matter from entering the interior of the sensor and prevent the sensor from working abnormally.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a car sensor housing, comprising an integrally formed shell and through-through from top to bottom, wherein the shell is provided with a first radial side edge at the upper opening, and a sealing lip ring is vulcanized at the inner edge of the first radial side edge; the sealing lip ring comprises an annular base, and a first annular lip piece, a second annular lip piece, a third annular lip piece and a fourth annular lip piece arranged on the annular base; the first annular lip piece and the second annular lip piece are concentrically arranged on the upper end surface of the annular base, and the upper parts of the two are outwardly inclined and arranged at the same height; the third annular lip piece and the fourth annular lip piece are arranged on the inner side surface of the annular base in an open shape up and down; the third annular lip piece, the fourth annular lip piece and the part between the two on the annular base are smoothly transitioned and form an inner wall surface with a cross-sectional shape of “>”.

[0006] In some embodiments, the annular base is provided with an embedding groove which engages with the first radial side edge.

[0007] In some embodiments, the shell is in the shape of an annular step, and the shell includes a first step portion and a second step portion arranged up and down, the first step portion includes the first radial side and the first axial side, and the second step portion includes the second radial side and the second axial side; a wire passing platform is provided on the second radial side, extending upward from the second axial side and integrally with the first radial side, a wire passing hole is provided on the wire passing platform, and a wire passing sleeve is vulcanized on the wire passing hole.

[0008] In some embodiments, the wire sleeve is arranged at an angle to the axis of the housing.

[0009] In some embodiments, the sealing lip ring and the wire sleeve are made of rubber material; the shell is made of SPCC material.

[0010] The automotive sensor housing provided by the utility model is vulcanized at the inner edge of the first radial side to form a sealing lip ring; the sealing lip ring is provided with four annular lips, namely the first annular lip, the second annular lip, the third annular lip and the fourth annular lip. The first annular lip and the second annular lip are concentrically arranged on the upper end surface of the annular base, and the upper parts of the first annular lip and the second annular lip are inclined outward and arranged at the same height, so that two sealing structures can be formed in the radial direction, and the structure of the upper part inclined outward can increase its resilience, so that it can be in close contact with the mating surface of the matching component, and enhance the sealing effect. The third annular lip and the fourth annular lip can form two sealing structures in the axial direction, and the two are arranged on the inner side surface of the annular base in an open shape up and down, and the two and the part between the two on the annular base smoothly transition and form an inner wall surface with a cross-sectional shape of ">", so that the sealing contact surface and contact tightness can be increased, and the sealing effect can be enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 A schematic diagram of the structure of a car sensor housing provided by an embodiment of the utility model;

[0013] Figure 2 A cross-sectional view of a vehicle sensor housing provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In the present utility model, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0016] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0017] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0018] The utility model provides an automobile sensor housing 100, such as Figure 1 and Figure 2As shown, it comprises a housing 1 which is integrally formed and penetrates from top to bottom, the housing 1 is provided with a first radial side edge 11 at the upper opening, and a sealing lip ring 2 is vulcanized at the inner edge of the first radial side edge 11; the sealing lip ring 2 comprises an annular base 21, and a first annular lip piece 211, a second annular lip piece 212, a third annular lip piece 213 and a fourth annular lip piece 214 arranged on the annular base 21; the first annular lip piece 211 and the second annular lip piece 212 are concentrically arranged on the upper end surface of the annular base 21, The first annular lip 211 and the second annular lip 212 protrude upward, and the upper parts A of the first annular lip 211 and the second annular lip 212 are inclined outward and are arranged at the same height; the third annular lip 213 and the fourth annular lip 214 are arranged on the inner side of the annular base 21 in an open shape up and down; the third annular lip 213, the fourth annular lip 214 and the part located between the two on the annular base 21 have a smooth transition and form an inner wall surface B with a cross-sectional shape of “>”.

[0019] The automotive sensor housing 100 provided by the utility model is vulcanized to form a sealing lip ring 2 at the inner edge of the first radial side 11; the sealing lip ring 1 is provided with four annular lips, namely a first annular lip 211, a second annular lip 212, a third annular lip 213 and a fourth annular lip 214. The first annular lip 211 and the second annular lip 212 are concentrically arranged on the upper end surface of the annular base 21, and the upper parts A of the first annular lip 211 and the second annular lip 212 are outwardly inclined and arranged at the same height, so that two sealing structures can be formed in the radial direction, and the upper part is inclined outwardly, which is conducive to increasing its resilience, so that it can be in close contact with the joint surface of the matching component, thereby enhancing the sealing effect. The third annular lip 213 and the fourth annular lip 214 can form two sealing structures in the axial direction, and the two are arranged on the inner side of the annular base 21 in an open shape up and down. The two and the part between the two on the annular base 21 smoothly transition to form an inner wall surface B with a cross-sectional shape of “>”, which can increase the sealing contact surface and contact tightness, and further enhance the sealing effect.

[0020] In some embodiments, a groove 215 is provided on the annular base 21 to be engaged with the edge of the first radial side 11 , so as to increase the connection strength between the annular base 21 and the first radial side 11 and prevent it from falling off.

[0021] In some embodiments, Figure 1As shown, the housing 1 is in an annular step shape, and the housing includes a first step portion and a second step portion arranged up and down, the first step portion includes the first radial side 11 and the first axial side 12, and the second step portion includes the second radial side 13 and the second axial side 14; a wire-passing platform 15 is provided on the second radial side 12, which extends upward from the second axial side 13 and is flush with the first radial side 11, and a wire-passing hole is provided on the wire-passing platform 15, and a wire-passing sleeve 152 is vulcanized on the wire-passing hole. The lead wire of the automobile sensor can pass through the wire-passing sleeve 151, and the wire-passing sleeve 152 can protect the lead wire.

[0022] In some embodiments, the wire sleeve 152 is arranged at an angle to the axis of the housing 1 , which can help the lead wires of the automotive sensor to pass through the wire sleeve 152 smoothly, facilitating wiring.

[0023] In some embodiments, the sealing lip ring 2 and the wire sleeve 152 are made of rubber; the shell 1 is made of spcc (cold-rolled carbon steel) material, which has high strength and strong deformation resistance.

[0024] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An automotive sensor housing, characterized in that: The invention comprises a housing which is integrally formed and penetrates from top to bottom, wherein the housing is provided with a first radial side at an upper opening, and a sealing lip ring is vulcanized at an inner edge of the first radial side; the sealing lip ring comprises an annular base, and a first annular lip piece, a second annular lip piece, a third annular lip piece and a fourth annular lip piece arranged on the annular base; The first annular lip and the second annular lip are concentrically arranged on the upper end surface of the annular base, and the upper parts of the two are inclined outward and arranged at the same height; The third annular lip and the fourth annular lip are arranged on the inner side of the annular base in an open shape up and down; the third annular lip, the fourth annular lip and the part between the two on the annular base have a smooth transition and form an inner wall surface with a cross-sectional shape of ">".

2. The automotive sensor housing according to claim 1, characterized in that: The annular base is provided with an embedding groove which is embedded with the first radial side edge.

3. The automotive sensor housing according to claim 1, characterized in that: The housing is in an annular step shape, and includes a first step portion and a second step portion arranged up and down, the first step portion includes the first radial side and the first axial side, and the second step portion includes the second radial side and the second axial side; A wire passing platform is arranged on the second radial side and extends upward from the second axial side and is integrally connected to the first radial side. A wire passing hole is arranged on the wire passing platform, and a wire passing sleeve is vulcanized on the wire passing hole.

4. The automotive sensor housing according to claim 3, characterized in that: The wire sleeve is arranged at an angle to the axis of the housing.

5. The automotive sensor housing according to claim 3, characterized in that: The sealing lip ring and the wire sleeve are made of rubber material; the shell is made of SPCC material.

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