CN220628434U - Clock spring - Google Patents

Abstract

The utility model discloses a clock spring, which comprises a shell, an upper knob cover and a control assembly, wherein the control assembly is arranged between the shell and the upper knob cover and comprises a control unit and a conductive ring; and the conducting ring is provided with an integrally formed contact pin. The utility model has reasonable structural design, reduces the assembly procedure, omits the welding process flow, avoids unnecessary waste of labor cost and time cost and increases the reliability by integrally injection molding or stamping the conducting ring and the contact pin.

Description

Clock spring

Technical Field

The utility model relates to the technical field of automobiles, in particular to a clock spring.

Background

The clock spring is also called a rotary connector, an air bag hairspring and a spiral cable, is used for the rotary connection of an automobile steering wheel safety air bag and an electric control system of the automobile steering wheel safety air bag, is usually arranged below the automobile steering wheel and is used for connecting a main air bag and an air bag wire harness or connecting a switch button of the steering wheel and a wire harness of a control unit.

In the prior art, the conductive ring and the contact pin are generally connected together in a welding mode, and although an integrated effect is realized, a one-ring welding process is added, so that an assembly procedure is increased, and unnecessary labor cost and time cost are wasted.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a clock spring aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: the clock spring comprises a shell, an upper knob cover and a control assembly, wherein the control assembly is arranged between the shell and the upper knob cover and comprises a control unit and a conductive ring; and the conducting ring is provided with an integrally formed contact pin.

Preferably, the housing includes a shell, a lower bottom cover and a knob cover; the lower bottom cover is buckled at the bottom of the shell through the matching of the buckle and the convex block; the knob cover is clamped at the bottom of the lower bottom cover.

Preferably, the control unit comprises a bearing, a knob shaft, a circuit board, a conductive wire and an insulating sheet; the bearing is clamped at the bottom of the knob shaft; the insulating sheet is sleeved outside the knob shaft; the circuit board comprises a left side circuit board and a right side circuit board, and the left side circuit board and the right side circuit board are respectively vertically arranged at two sides of the knob shaft; one end of the conductive wire is in abutting connection with the circuit board, and the other end of the conductive wire is inserted into the knob shaft through a gap between the insulating sheets; the conductive ring is arranged at the top of the knob shaft.

Preferably, the upper knob cover includes an upper protrusion extending upward to be fixed.

Compared with the prior art, the utility model has the advantages that: by integrally injection molding or stamping the conductive ring and the contact pin, the assembly procedure is reduced, the process of a welding process is omitted, unnecessary waste of labor cost and time cost is avoided, and the reliability is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic exploded view of the present utility model;

FIG. 3 is a schematic exploded view of the present utility model;

fig. 4 is a schematic diagram of the control assembly structure.

Reference numerals: 1. a housing; 11. a housing; 111. a bump; 12. a lower bottom cover; 121. a buckle; 13. a knob cover; 2. an upper knob cover; 21. an upper convex part; 3. a control assembly; 31. a control unit; 311. a bearing; 312. a knob shaft; 313. a conductive wire; 314. an insulating sheet; 315. a left side circuit board; 316. a right side circuit board; 32. a conductive ring; 321. and (5) inserting pins.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators, such as up, down, left, right, front, and rear …, are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Moreover, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases, and it will be understood by those skilled in the art that the specific meaning of these terms in the present utility model may be understood according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The connection modes referred to herein are prior art, do not have any improvement, all belong to common general knowledge of a person skilled in the art, and the specific meaning of the above terms in the present utility model can be understood by the person skilled in the art according to the specific situation.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, the present utility model provides a clock spring, comprising a housing 1, an upper knob cover 2, and a control assembly 3, the control assembly 3 being disposed between the housing 1 and the upper knob cover 2, the control assembly 3 comprising a control unit 31 and a conductive ring 32; specifically, the control unit 31 includes a bearing 311, a knob shaft 312, a circuit board, a conductive wire 313, and an insulating sheet 314; the bearing 311 is clamped at the bottom of the knob shaft 312; the insulating sheet 314 is sleeved outside the knob shaft 312; the circuit boards include a left circuit board 315 and a right circuit board 316, and the left circuit board 315 and the right circuit board 316 are vertically arranged at two sides of the knob shaft 312 respectively; the conductive wire 313 is in an opening shape, one end of the conductive wire 313 is in abutting connection with the circuit board, and the other end of the conductive wire 313 is inserted into the knob shaft 312 through a gap between the insulating sheets 314, thereby playing a conductive role.

The conductive ring 32 is arranged on the top of the knob shaft 312; specifically, the conductive ring 32 is provided with an integrally formed contact pin 321, and the main circuit board and the conductive ring 32 are soldered together; by integrally injection molding or stamping the conductive ring 32 and the contact pin 321, the assembly process is reduced, the welding process flow is omitted, unnecessary waste of labor cost and time cost is avoided, and the reliability is increased.

The housing 1 includes a shell 11, a lower bottom cover 12, and a knob cover 13; specifically, the lower bottom cover 12 is fastened to the bottom of the housing 11 through the cooperation of the fastener 121 and the protrusion 111; the knob cover 13 is clamped at the bottom of the lower bottom cover 12.

The upper knob cover 2 includes an upper protrusion 21 extending upward to be fixed.

In the description of the present specification, reference is made to the terms "one embodiment," some embodiments, "" examples, "" particular illustrations

The description of an example or examples, etc., means that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.

The foregoing is only illustrative of the preferred embodiments of the present utility model and various modifications and changes in detail can be made by those skilled in the art in light of the present teachings without departing from the spirit and scope of the present teachings and it is intended that all such modifications, equivalents, and improvements as fall within the true spirit and scope of the present teachings.

Claims (4)

1. The utility model provides a clock spring, includes shell, goes up knob lid and control assembly, control assembly locates between shell and the last knob lid, its characterized in that: the control assembly comprises a control unit and a conductive ring; and the conducting ring is provided with an integrally formed contact pin.

2. A clock spring as claimed in claim 1, wherein: the shell comprises a shell body, a lower bottom cover and a knob cover; the lower bottom cover is buckled at the bottom of the shell through the matching of the buckle and the convex block; the knob cover is clamped at the bottom of the lower bottom cover.

3. A clock spring as claimed in claim 1, wherein: the control unit comprises a bearing, a knob shaft, a circuit board, a conductive wire and an insulating sheet; the bearing is clamped at the bottom of the knob shaft; the insulating sheet is sleeved outside the knob shaft; the circuit board comprises a left side circuit board and a right side circuit board, and the left side circuit board and the right side circuit board are respectively vertically arranged at two sides of the knob shaft; one end of the conductive wire is in abutting connection with the circuit board, and the other end of the conductive wire is inserted into the knob shaft through a gap between the insulating sheets; the conductive ring is arranged at the top of the knob shaft.

4. A clock spring as claimed in claim 1, wherein: the upper knob cover comprises an upper protruding part which extends upwards to be fixed.