Axial and radial sealing structure of sensor cover and long shell
By designing the axial radial sealing structure between the sensor cover and the long shell, the cross-shaped petal structure and fixed bosses and grooves are used to solve the problem of insufficient sealing performance of the O-ring, achieving a more efficient sealing effect.
Patent Information
- Application Number
- CN202421001829.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing O-ring sensor covers cannot meet the increasingly stringent sealing requirements and lack sealing performance.
Design an axial radial sealing structure between the sensor cover and the long shell. The bottom of the sensor cover is connected to several cross-shaped petal structures, and contacts the shell through axial pressure and rebounds to achieve a clamp-type connection, using radial direction Fixed bosses, axial fixed bosses and cleaning glue coatings enhance the sealing effect.
Improves sealing performance, ensures the sealing effect between the sensor cover and the housing, avoids the flow of sealant, and achieves a stable clamping connection.
Smart Images
Figure CN222318085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering systems, in particular to an axial and radial sealing structure of a sensor cover and a long housing. Background Art
[0002] The O-ring sensor covers currently on the market can no longer meet the increasingly stringent sealing requirements. Therefore, by optimizing the petal structure of the sensor cover, both the installation requirements are met and the sealing performance is improved. Summary of the invention
[0003] In order to overcome the deficiencies of the prior art, the utility model provides an axial radial sealing structure of a sensor cover and a long shell body, wherein a plurality of cross-shaped petal structures of the sensor cover are connected at the bottom of the sensor cover, and the sensor cover continues to move downward under the action of axial pressure, and the petal structures of the sensor cover contact the shell body; when the axial force of the sensor cover is removed, the petal structures of the sensor cover rebound and contact the shell body, and finally the sensor cover is installed through a card-type connection.
[0004] In order to achieve the above-mentioned purpose, an axial-radial sealing structure of a sensor cover and a long shell is designed, including a sensor cover, characterized in that: a plurality of sensor cover petal structures are evenly connected to the outer circumference of the bottom of the sensor cover; the petal structure of the sensor cover is a cross-shaped arc panel structure, a radial fixing boss is provided on the outer side of the upper part of the petal structure of the sensor cover, and arc grooves are respectively provided on the left and right sides of the radial fixing boss; axial fixing bosses are respectively provided on the left and right ends of the petal structure of the sensor cover; a cleaning glue layer is provided on the bottom of the sensor cover between two adjacent sensor cover petal structures.
[0005] The sensor cover petal structure is connected to the bottom of the sensor cover by a snap connection or a plug connection.
[0006] The sensor cover petal structures are provided with at least three.
[0007] The material used in the petal structure of the sensor cover does not undergo plastic deformation during the assembly process.
[0008] The sensor cover is clamped at the upper inner side of the long shell through the sensor cover petal structure, and the gap between the bottom end surface of the sensor cover and the top end surface of the long shell is 0.6 mm.
[0009] Compared with the prior art, the utility model provides an axial radial sealing structure of a sensor cover and a long shell, wherein a plurality of cross-shaped sensor cover petal structures are connected at the bottom of the sensor cover, and the sensor cover continues to move downward under the action of axial pressure, and the sensor cover petal structures contact the shell, and when the axial force of the sensor cover is removed, the sensor cover petal structures rebound and contact the shell, and finally the sensor cover is installed through a card-type connection. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 Schematic diagram of the sensor cover structure.
[0011] Figure 2 This is an enlarged schematic diagram of the petal structure of the sensor cover.
[0012] Figure 3 Schematic diagram of the connection between the sensor cover and the housing.
[0013] Figure 4 This is a schematic diagram of the installation of the sensor cover and housing. DETAILED DESCRIPTION
[0014] The utility model is further described below with reference to the accompanying drawings.
[0015] like Figures 1 to 3 As shown, a plurality of sensor cover petal structures 2 are evenly connected to the outer circumference of the bottom of the sensor cover 1; the sensor cover petal structure 2 is a cross-shaped arc panel structure, a radial fixing boss 2-1 is provided on the outer side of the upper part of the sensor cover petal structure 2, and arc grooves 2-2 are provided on the left and right sides of the radial fixing boss 2-1; axial fixing bosses 2-3 are provided on the left and right ends of the sensor cover petal structure 2; a cleaning glue layer 1-1 is provided on the bottom of the sensor cover 1 between two adjacent sensor cover petal structures 2.
[0016] The sensor cover petal structure 2 is connected to the bottom of the sensor cover 1 by a snap connection or a plug connection.
[0017] The sensor cover has at least three petal structures 2 .
[0018] The material used for the petal structure 2 of the sensor cover does not undergo plastic deformation during the assembly process.
[0019] The sensor cover 1 is clamped at the upper inner side of the long shell 3 through the sensor cover petal structure 2, and the gap between the bottom end surface of the sensor cover 1 and the top end surface of the long shell 3 is 0.6 mm.
[0020] like Figure 4 As shown, the sensor cover and housing are installed as follows:
[0021] The cleaning glue layer 1-1 at the bottom of the sensor cover 1 is plasma cleaned;
[0022] Use a professional glue gun to evenly apply glue on the clean glue layer 1-1;
[0023] The sensor cover 1 is pressed into the long housing 3;
[0024] The sensor cover 1 is aligned with the long housing 3, and the press applies axial pressure to the sensor cover 1;
[0025] The positioning hole of the sensor cover 1 and the positioning groove of the long housing 3 are assembled in a single position under the action of the positioning pin of the press;
[0026] After the sensor cover 1 is pressed into the long housing 3, the sensor cover 1 is fixed axially and radially by the sensor cover petal structure 2;
[0027] Sensor cover 1 is sealed;
[0028] There is a 0.6 mm gap between the sensor cover 1 and the long shell 3, so that the sealant is full and does not flow. After the sealant is dried, the sealing effect is finally achieved.
[0029] Through the above design, the petal structure of the sensor cover solves the problem of general sealing effect of a single O-ring and improves the sealing performance.
[0030] A number of cross-shaped sensor cover petal structures are connected to the bottom of the sensor cover. Under the action of axial pressure, the sensor cover continues to move downward, and the sensor cover petal structures contact the shell. When the axial force of the sensor cover is removed, the sensor cover petal structures rebound and contact the shell. Finally, the sensor cover is installed through a card-type connection.
Claims
1. An axial radial sealing structure of a sensor cover and a long housing, comprising a sensor cover, characterized in that: A plurality of sensor cover petal structures (2) are evenly connected to the outer circumference of the bottom of the sensor cover (1); the sensor cover petal structure (2) is a cross-shaped arc panel structure; a radial fixing boss (2-1) is provided on the outer side of the upper part of the sensor cover petal structure (2); arc grooves (2-2) are provided on the left and right sides of the radial fixing boss (2-1); axial fixing bosses (2-3) are provided on the left and right ends of the sensor cover petal structure (2); and a cleaning glue coating layer (1-1) is provided on the bottom of the sensor cover (1) between two adjacent sensor cover petal structures (2).
2. The axial and radial sealing structure of the sensor cover and the long housing according to claim 1, characterized in that: The sensor cover petal structure (2) is connected to the bottom of the sensor cover (1) by a snap-fit connection or a plug-fit connection.
3. The axial and radial sealing structure of the sensor cover and the long housing according to claim 1 or 2, characterized in that: The sensor cover petal structures (2) are provided with at least three.
4. The axial and radial sealing structure of a sensor cover and a long housing according to claim 1 or 2, characterized in that: The material used in the sensor cover petal structure (2) does not undergo plastic deformation during the assembly process.
5. The axial and radial sealing structure of the sensor cover and the long housing according to claim 1, characterized in that: The sensor cover (1) is clamped at the upper inner side of the long shell (3) through the sensor cover petal structure (2), and the gap between the bottom end surface of the sensor cover (1) and the top end surface of the long shell (3) is 0.6 mm.