CN216055597U - Positioning structure for mounting clock spring - Google Patents
Positioning structure for mounting clock spring Download PDFInfo
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- CN216055597U CN216055597U CN202121624344.1U CN202121624344U CN216055597U CN 216055597 U CN216055597 U CN 216055597U CN 202121624344 U CN202121624344 U CN 202121624344U CN 216055597 U CN216055597 U CN 216055597U
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- clock spring
- base
- stator
- elastic
- positioning structure
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Abstract
The utility model discloses a positioning structure for installing a clock spring, which comprises a clock spring stator and a base for installing the clock spring, wherein the clock spring stator is matched with a hanging table through an elastic hasp to realize axial positioning connection with the base, and the clock spring stator is matched with a groove of the base through convex ribs arranged on two sides to realize radial positioning connection. The positioning structure overcomes the defects of the traditional clock spring installation, has simple structure, convenient assembly and low production cost, improves the close fitting degree of the clock spring and the base in the axial direction and the radial direction, and improves the service life and the driving experience of the clock spring.
Description
Technical Field
The utility model relates to the technical field of automobile manufacturing, in particular to a positioning structure for installing a clock spring.
Background
The clock spring is used for electrically and rotatably connecting an automobile steering wheel safety airbag with a control system of the automobile steering wheel safety airbag, and is usually arranged below a steering wheel and above a combined switch base or a steering column tray. The stator mechanism and the rotating mechanism are matched to form an internal cavity, and a rotating wheel frame mechanism with rollers or an elastic belt structure forming a driving device is arranged in the cavity to realize free rotation of cables in the cavity. The clock spring body is particularly critical in positioning on the base, the common mounting mode is screw fastening connection or elastic buckle clamping connection, the screw fastening connection mode increases operation procedures, the mounting is inconvenient, and the elastic buckle clamping connection mode is the mainstream at the present stage. The main problem that the clock spring is connected to the base in an elastic buckle clamping mode is that the size of the buckle is difficult to control, and the clamping is easy to loosen or cannot be lapped in the axial direction; in the radial direction, the clock spring cannot be tightly attached to the base after being installed, and the overall shaking or assembly failure of the clock spring is caused. If the clock spring is not firmly installed on the base, when the rotor rotates along with the steering wheel, the clock spring body swings on the base along with the rotor, and abnormal noise is generated. In addition, the relative position of the clock spring body mounted on the base is also critical, and when the clock spring body is eccentrically mounted with the base, abnormal noise can be generated by the clock spring. The riding experience is seriously influenced, and the service life of the clock spring is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a positioning structure for mounting a clock spring, which overcomes the defects of the traditional clock spring mounting, has simple structure, convenient assembly and low production cost, improves the close fit degree between the clock spring and a base in the axial direction and the radial direction, and improves the service life and the driving experience of the clock spring.
In order to solve the technical problem, the positioning structure for installing the clock spring comprises a clock spring stator and a base for installing the clock spring, wherein the clock spring stator is connected with the base in an axial positioning mode through the cooperation of an elastic buckle and a hanging table, and the clock spring stator is connected with a groove of the base in a radial positioning mode through the cooperation of convex ribs arranged on two sides of the clock spring stator and the groove of the base.
Further, hang the platform and locate the lateral surface of base, the lateral surface of clock spring stator is located to the elasticity hasp, and hang the platform and arrange with the position correspondence of elasticity hasp, the elasticity hasp joint in hang the platform.
Furthermore, the convex ribs are arranged on two sides of the clock spring stator, the grooves are located on the upper end face of the base, the convex ribs and the grooves are correspondingly arranged in position, and the convex ribs are located in the grooves.
Furthermore, the upper end face of the base on the inner side of the hanging table is provided with an elastic protrusion, and the elastic protrusion abuts against the bottom face of the clock spring stator.
Further, the height of the elastic protrusion protruding out of the upper end face of the base is 0.3 mm.
Furthermore, the small elastic crushing ribs are arranged on the front side face and one side face of the convex rib at intervals and abut against the side face of the groove, and a connecting line of the other side face of the convex rib on two sides of the clock spring stator passes through the installation center of the clock spring and the base.
The positioning structure for installing the clock spring adopts the technical scheme, namely the positioning structure comprises a clock spring stator and a base for installing the clock spring, the clock spring stator is matched with the base through an elastic hasp to realize axial positioning connection, and the clock spring stator is matched with the groove of the base through convex ribs arranged on two sides to realize radial positioning connection. The positioning structure overcomes the defects of the traditional clock spring installation, has simple structure, convenient assembly and low production cost, improves the close fitting degree of the clock spring and the base in the axial direction and the radial direction, and improves the service life and the driving experience of the clock spring.
Drawings
The utility model is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic view of the positioning structure for clock spring installation according to the present invention;
FIG. 2 is a schematic view of the arrangement of the elastic protrusions in the present positioning structure;
FIG. 3 is a schematic cross-sectional view of the elastic protrusion of the positioning structure;
FIG. 4 is a schematic view of the arrangement of small elastic crushing ribs in the positioning structure;
fig. 5 is an enlarged view of a portion a of fig. 4.
Detailed Description
The embodiment of the utility model is shown in fig. 1, and the positioning structure for clock spring installation comprises a clock spring stator 1 and a base 2 for clock spring installation, wherein the clock spring stator 1 and the base 2 are matched with a hanging table 4 through an elastic buckle 3 to realize axial positioning connection, and the clock spring stator 1 is matched with a groove 6 of the base 2 through convex ribs 5 arranged on two sides to realize radial positioning connection.
Preferably, the hanging table 4 is arranged on the outer side surface of the base 2, the elastic buckle 3 is arranged on the outer side surface of the clock spring stator 1, the hanging table 4 and the elastic buckle 3 are correspondingly arranged, and the elastic buckle 3 is clamped on the hanging table 4.
Preferably, the convex ribs 5 are arranged on two sides of the clock spring stator 1, the grooves 6 are arranged on the upper end surface of the base 2, the convex ribs 5 are arranged corresponding to the grooves 6, and the convex ribs 5 are located in the grooves 6.
Preferably, as shown in fig. 2 and 3, an elastic protrusion 21 is provided on the upper end surface of the base 2 inside the hanging table 4, and the elastic protrusion 21 abuts against the bottom surface of the clock spring stator 1. The elastic protrusion is compressed after the clock spring stator is installed, and in the axial direction, the clock spring stator is acted by the upward supporting force F of the compressed elastic protrusion at any moment, so that the clock spring is tightly installed on the base.
Preferably, the height of the elastic protrusion 21 protruding from the upper end surface of the base 2 is 0.3 mm.
Preferably, as shown in fig. 4 and 5, the small elastic crushing ribs 51 are arranged on the front side surface and one side surface of the rib 5 at intervals, the small elastic crushing ribs 51 abut against the side surface of the groove 6, and a connecting line of the other side surfaces of the rib 5 on two sides of the clock spring stator 1 passes through the installation center O of the clock spring and the base. The small elastic crushing ribs play a role in eliminating gaps, so that no play gap exists between the convex ribs and the grooves, and the clock spring stator and the base are concentric by arranging the positions of the convex ribs on the two sides of the clock spring stator, so that the service life of the clock spring is prolonged.
The positioning structure is arranged in the axial direction, and the clock spring stator and the mounting base are matched with the hanging table through the elastic buckle to realize the positioning connection in the axial direction; in the radial direction, the limit fixation in the radial direction is realized through the matching of the convex ribs on the two sides of the clock spring stator and the groove of the base; the upper end face of the base of each hanging platform of the base is provided with an elastic bulge, and the convex rib of the clock spring stator is provided with an elastic crushing small rib. After the installation, in the axial direction, the clock spring stator is always subjected to upward supporting force by the compressed elastic protrusion and is tightly installed on the base; under the action of the small crushing ribs on the convex ribs in the radial direction, the firmness of the clock spring stator in the radial direction can be ensured, so that the clock spring stator is firmly installed without gaps. The assembling defect of each part of traditional clock spring is overcome to this structure, and its simple structure, the equipment is convenient, and low in production cost makes clock spring install on the base and does not have the cluster and move, realizes the zero clearance joint, improves the firm nature of clock spring and base installation back and with the axiality at base center, avoids because the unusual sound of installation clearance or the poor production of axiality, improves clock spring's life and drives and experience.
Claims (6)
1. A location structure for clock spring installation, includes clock spring stator and supplies clock spring installation's base, its characterized in that: the clock spring stator and the base are connected in an axial positioning mode through the elastic buckle and the hanging table in a matched mode, and the clock spring stator is connected in a radial positioning mode through the protruding ribs arranged on two sides of the clock spring stator and the grooves of the base in a matched mode.
2. The positioning structure for clock spring mounting according to claim 1, wherein: the hanging table is arranged on the outer side face of the base, the elastic hasp is arranged on the outer side face of the clock spring stator, the hanging table and the elastic hasp are arranged correspondingly in position, and the elastic hasp is clamped on the hanging table.
3. The positioning structure for clockspring mounting according to claim 1 or 2, wherein: the convex ribs are arranged on two sides of the clock spring stator, the grooves are located on the upper end face of the base, the convex ribs and the grooves are correspondingly arranged in position, and the convex ribs are located in the grooves.
4. The positioning structure for clock spring mounting according to claim 3, wherein: the upper end face of the base on the inner side of the hanging table is provided with an elastic protrusion, and the elastic protrusion abuts against the bottom face of the clock spring stator.
5. The positioning structure for clock spring mounting according to claim 4, wherein: the height of the elastic bulge protruding out of the upper end face of the base is 0.3 mm.
6. The positioning structure for clock spring mounting according to claim 4, wherein: the clock spring stator is characterized in that elastic crushing small ribs are arranged on the front side face and one side face of each convex rib at intervals, the elastic crushing small ribs are abutted against the side faces of the grooves, and the connecting line of the other side faces of the convex ribs on the two sides of the clock spring stator passes through the installation center of the clock spring and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624344.1U CN216055597U (en) | 2021-07-16 | 2021-07-16 | Positioning structure for mounting clock spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624344.1U CN216055597U (en) | 2021-07-16 | 2021-07-16 | Positioning structure for mounting clock spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055597U true CN216055597U (en) | 2022-03-15 |
Family
ID=80555372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121624344.1U Active CN216055597U (en) | 2021-07-16 | 2021-07-16 | Positioning structure for mounting clock spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055597U (en) |
-
2021
- 2021-07-16 CN CN202121624344.1U patent/CN216055597U/en active Active
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