Detachable buckle type connecting structure for sensor cover and shell of steering engine

Abstract

The utility model relates to the technical field of steering systems, in particular to a detachable buckle type connecting structure for a sensor cover and a shell of a steering engine. A detachable buckle type connecting structure for a sensor cover and a shell of a steering engine is characterized in that the lower portion of the sensor cover is of a disc-shaped structure, and the bottom of the disc-shaped structure is connected with a cylindrical structure; the left end and the right end of the outer edge of the disc-shaped structure are connected with clamping hook structures respectively, and a plurality of annular grooves are formed in the outer edge of the cylindrical structure. A reinforcing rib is arranged on the back surface of the clamping hook structure; grooves are formed in the left side and the right side of the upper end face of the shell respectively. The sensor cover penetrates through the groove of the shell through a clamping hook structure to be connected with the shell, a plurality of O-shaped rings are arranged between the bottom of the sensor cover and the shell, and the O-shaped rings are embedded in the annular groove. Compared with the prior art, the clamping hook structure of the sensor cover is designed on the outer ring, and the groove is additionally formed in the end face of the shell, so that the assembly mode of the sensor cover and the shell is simple, and the cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of steering systems, in particular to a detachable snap-on connection structure between a steering gear sensor cover and a housing. Background Art

[0002] With the improvement of living standards and the development of science and technology, people's dependence on cars has gradually increased, and the requirements for car performance have also gradually increased. Electronic power steering has replaced the original hydraulic power steering.

[0003] The traditional sensor cover is a double O-ring sealing structure, which is then fixed to the housing with bolts. This fixing method not only requires additional accessory bolts, but also requires the processing of threaded bottom holes on the housing, and the sensor cover also requires press-fit bushings. The parts processing cost is higher and the assembly process is more complicated.

[0004] The existing snap-on sensor cover adopts an internal snap-on and glue coating process. This structure not only has high requirements on the cleanliness of the shell parts and the sensor cover parts, but also the sensor cover cannot be disassembled and assembled. Summary of the invention

[0005] The utility model overcomes the shortcomings of the prior art and provides a detachable snap-on connection structure for a steering gear sensor cover and a housing. The sensor cover hook structure is designed on the outer ring and a groove is added on the end face of the housing. This sensor cover and housing assembly method is simple to assemble and has lower cost.

[0006] In order to achieve the above-mentioned purpose, a detachable snap-on connection structure of a steering gear sensor cover and a shell is designed, comprising a sensor cover and a shell, and characterized in that: the lower part of the sensor cover is a disc-shaped structure, and the bottom of the disc-shaped structure is connected to the cylindrical structure; the left and right ends of the outer edge of the disc-shaped structure are respectively connected to hook structures, and a plurality of annular grooves are provided on the outer edge of the cylindrical structure; reinforcing ribs are provided on the back side of the hook structure; grooves are respectively provided on the left and right sides of the upper end surface of the shell; the sensor cover is connected to the shell through the groove of the shell via the hook structure, and a plurality of O-rings are provided between the bottom of the sensor cover and the shell, and the O-rings are embedded in the annular grooves.

[0007] The hook structure and the sensor cover are an integrated structure.

[0008] The hook structure is an L-shaped structure, the upper part of the hook structure is connected to the sensor cover, and the lower part of the hook structure is an outward bending structure.

[0009] The upper part of the hook structure is located on the upper side of the shell, and the bending part of the lower part of the hook structure is tightly fitted with the shell.

[0010] There are at least two annular grooves, which are respectively located at the upper and lower sides of the outer edge of the cylindrical structure.

[0011] The groove structure matches the hook structure.

[0012] The groove is a rectangular groove structure.

[0013] Compared with the prior art, the utility model provides a detachable snap-on connection structure between a steering gear sensor cover and a housing, a sensor cover hook structure is designed on an outer ring, and a groove is added to the end face of the housing. This sensor cover and housing assembly method is simple to assemble and has lower cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the structure of the utility model.

[0015] Figure 2 This is the structural front view of the sensor cover in the structure of the utility model.

[0016] Figure 3 It is a structural cross-sectional view of the sensor cover in the structure of the utility model.

[0017] Figure 4 Cross-sectional view of a bolt assembly structure of conventional design.

[0018] Figure 5 This is a cross-sectional view of the existing inner buckle gluing assembly structure. DETAILED DESCRIPTION

[0019] The utility model is further described below with reference to the accompanying drawings.

[0020] like Figure 4 The figure shows a cross-sectional view of a bolt assembly structure of a conventional design. The conventional housing 7 needs to be threaded to facilitate connection with the conventional sensor cover 4. The conventional sensor cover 4 structure needs to use a bushing 5 and a bolt 6, and the conventional housing 7 also needs to add a threading process.

[0021] like Figure 5 The figure shows a cross-sectional view of an existing internal snap-on glue assembly structure. 9 is an internal snap-on sensor cover, which has a complex snap-on structure and high cleanliness requirements. 8 is an internal snap-on housing, which has complex interface processing and high cleanliness requirements, which are difficult to meet. The internal snap-on sensor cover 9 is sealed by glue coating, which has high cleanliness requirements for the internal snap-on sensor cover and the internal snap-on housing 8, and the cleanliness requirements are difficult to meet.

[0022] like Figures 1 to 3 As shown, the changes of the detachable hook structure 1-1 of the newly designed sensor cover 1 and the shell 2 of the utility model are mainly: the bushing 5 and the bolt 6 of the original traditional sensor cover 4 are cancelled, and the existing internal snap-on sensor cover 9 is changed to an external hook structure sensor cover.

[0023] The newly designed housing 2 does not require thread processing, the sensor cover 1 and housing 2 have low cleanliness requirements, and the processing cost is lower. The press-fitting process of the sensor cover 1 and housing 2 is simpler, and the hook structure 1-1 is on the outside of the housing 2, which can realize the rapid removal of the sensor cover.

[0024] like Figures 1 to 3 As shown, the lower part of the sensor cover 1 is a disc-shaped structure, and the bottom of the disc-shaped structure is connected to the cylindrical structure; the left and right ends of the outer edge of the disc-shaped structure are respectively connected to the hook structure 1-1, and the outer edge of the cylindrical structure is provided with a plurality of annular grooves 1-2; the back of the hook structure 1-1 is provided with a reinforcing rib 1-3; the left and right sides of the upper end surface of the shell 2 are respectively provided with grooves; the sensor cover 1 is connected to the shell 2 through the groove of the shell 2 through the hook structure 1-1, and a plurality of O-rings 3 are provided between the bottom of the sensor cover 1 and the shell 2, and the O-rings 3 are embedded in the annular grooves 1-2.

[0025] The hook structure 1 - 1 and the sensor cover 1 are an integrated structure.

[0026] The hook structure 1 - 1 is an L-shaped structure, the upper portion of the hook structure 1 - 1 is connected to the sensor cover 1 , and the lower portion of the hook structure 1 - 1 is an outwardly bent structure.

[0027] The upper portion of the hook structure 1 - 1 is located on the upper side of the housing 2 , and the bending portion of the lower portion of the hook structure 1 - 1 is tightly fitted with the housing 2 .

[0028] There are at least two annular grooves 1-2, which are respectively located at the upper and lower sides of the outer edge of the cylindrical structure.

[0029] The groove structure cooperates with the hook structure 1 - 1 .

[0030] The groove is a rectangular groove structure.

[0031] The hook structure 1-1 of the sensor cover 1 is on the outside of the housing 2, and a reinforcing rib 1-3 is added to the back of the hook structure 1-1 for support, so that the sensor cover 1 can be quickly disassembled for internal maintenance; the sensor cover 1 is sealed with an O-ring 3, and the housing 2 does not need to be machined with threads, the interface is easy to process, and the cleanliness requirements can be easily met. The ring groove 1-2 for installing the O-ring 3 can be used to separate the slider from the center of the sensor cover 1; the hook structure 1-1 can be normally separated from the upper and lower molds; and the bushing parts are eliminated. After the hook structure 1-1 is buckled into the groove of the housing 2, the disassembly function can still be realized.

[0032] The detachable hook-type connection structure between the sensor cover and the shell of the utility model can reduce the number of parts bolts and bushing parts; the sensor cover can be quickly disassembled to repair problems; the cleanliness requirements of the sensor cover are low and easy to meet; the shell processing steps or cleanliness requirements can be reduced, and the shell cost can be reduced; the structure is relatively simple to install, which reduces installation time and improves assembly efficiency.

Claims

1. A detachable snap-on connection structure between a steering gear sensor cover and a housing, comprising a sensor cover and a housing, characterized in that: The lower part of the sensor cover (1) is a disc-shaped structure, the bottom of the disc-shaped structure is connected to the cylindrical structure; the left and right ends of the outer edge of the disc-shaped structure are respectively connected to the hook structures (1-1), and the outer edge of the cylindrical structure is provided with a plurality of annular grooves (1-2); and the back of the hook structure (1-1) is provided with reinforcing ribs (1-3); The left and right sides of the upper end surface of the shell (2) are respectively provided with grooves; The sensor cover (1) is connected to the housing (2) by passing through a groove of the housing (2) via a hook structure (1-1); a plurality of O-rings (3) are provided between the bottom of the sensor cover (1) and the housing (2), and the O-rings (3) are embedded in the annular grooves (1-2).

2. The detachable snap-fit ​​connection structure between a steering gear sensor cover and a housing according to claim 1, characterized in that: The hook structure (1-1) and the sensor cover (1) are an integrated structure.

3. The detachable snap-on connection structure between a steering gear sensor cover and a housing according to claim 1 or 2, characterized in that: The hook structure (1-1) is an L-shaped structure; the upper part of the hook structure (1-1) is connected to the sensor cover (1); and the lower part of the hook structure (1-1) is an outwardly bent structure.

4. The detachable snap-on connection structure between a steering gear sensor cover and a housing according to claim 3, characterized in that: The upper part of the hook structure (1-1) is located on the upper side of the shell (2), and the bent part of the lower part of the hook structure (1-1) is tightly fitted with the shell (2).

5. The detachable snap-on connection structure between a steering gear sensor cover and a housing according to claim 1, characterized in that: At least two of the annular grooves (1-2) are provided, respectively located at the upper and lower sides of the outer edge of the cylindrical structure.

6. The detachable snap-fit ​​connection structure between a steering gear sensor cover and a housing according to claim 1, characterized in that: The groove structure cooperates with the hook structure (1-1).

7. The detachable snap-fit ​​connection structure between a steering gear sensor cover and a housing according to claim 1 or 6, characterized in that: The groove is a rectangular groove structure.

Images