Lightweight clock spring of new energy automobile

Abstract

The light-weight clock spring of the new energy automobile comprises an inner annular shell and an outer annular shell, the inner annular shell is installed in the outer annular shell in a rotating mode, and a plurality of hollow convex metal annular pieces are evenly and fixedly installed on the upper surface of the inner annular shell. A plurality of inverted-T-shaped metal contacts corresponding to the hollow inverted-T-shaped metal annular sheets are uniformly distributed and fixedly mounted in the outer annular shell; the inverted-T-shaped metal contacts are installed in the corresponding hollow inverted-T-shaped metal annular sheets in a sliding mode. According to the utility model, through the arrangement of the hollow inverted-T-shaped metal annular sheet and the inverted-T-shaped metal contacts, the overall volume can be reduced, the weight is lighter, and in the use process, a user does not need to worry about the winding and even breakage of the wire harness, so that the overall structure is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the field of automobile clock springs, and in particular to a lightweight clock spring for new energy vehicles. Background Art

[0002] A clock spring, also known as an airbag spring, rotary connector, or spiral cable, is a key electrical rotary connector in a vehicle. It connects the primary airbag to the airbag wiring harness, or the steering wheel switch to the control unit wiring harness. It's typically installed above the combination switch below the steering wheel or on the column sheet metal. It consists of a flexible flat cable, a housing that rotates relative to the housing, a wiring harness (conductive leads), a connector, and a neutral pin.

[0003] However, in the existing automobile clock spring, the flexible flat cable is easily entangled or even broken during use, thereby affecting the normal operation of the automobile.

[0004] Therefore, it is very necessary to invent a lightweight clock spring for new energy vehicles. Utility Model Content

[0005] To solve the above technical problems, the present invention provides a lightweight clock spring for new energy vehicles, employing the following technical solutions: a lightweight clock spring for new energy vehicles, comprising an inner annular shell and an outer annular shell, wherein: the inner annular shell is rotatably mounted in the outer annular shell, and a plurality of hollow embossed metal annular sheets are evenly and fixedly mounted on the upper surface of the inner annular shell; a plurality of embossed metal contacts corresponding to the hollow embossed metal annular sheets are evenly and fixedly mounted inside the outer annular shell; the embossed metal contacts are slidably mounted in the corresponding hollow embossed metal annular sheets;

[0006] Preferably, a pull-out plug is fixedly mounted above the outer surface of the outer annular shell, and the pins inside the pull-out plug are electrically connected to the corresponding convex metal contacts;

[0007] Preferably, a pull-out plug is fixedly mounted on the bottom surface of the inner annular shell, and pins inside the pull-out plug are electrically connected to corresponding hollow convex metal annular pieces.

[0008] Preferably, the upper surface of the inner annular shell is evenly distributed with a plurality of convex ring cavities, and the outer side and the inner side of the bottom surface of the inner annular shell are each provided with an annular groove, and the two sides of the upper surface of the inner annular shell are each provided with a concave cavity; the convex ring cavity is located between the two concave cavities; the hollow convex metal ring sheet is fixedly installed in the corresponding convex ring cavity; the outer annular shell is rotatably installed in the corresponding annular groove and concave cavity; the annular groove and concave cavity are filled with solid sealing lubricant.

[0009] Preferably, an annular cavity is provided inside the outer annular shell, and an opening is provided on the bottom surface of the outer annular shell, which is connected to the annular cavity; the inner diameter of the opening is smaller than the inner diameter of the annular cavity; the inner annular shell is rotatably installed in the annular cavity and the opening, and the annular groove of the inner annular shell is in the opening.

[0010] Preferably, a number of sealing rings corresponding to the hollow convex metal ring sheets are evenly fixedly installed above the annular cavity of the outer annular shell, and the sealing rings are slidably installed in the openings of the corresponding hollow convex metal ring sheets; two sealing rings 2 are evenly fixedly installed above the annular cavity of the outer annular shell, and the sealing ring is located between the two sealing rings 2, and the sealing ring 2 is rotatably installed in the corresponding concave cavity.

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] The utility model is provided with hollow embossed metal ring pieces and embossed metal contacts, which not only reduces the overall volume and makes it more lightweight, but also eliminates the need to worry about the wiring harness getting tangled or even broken during use, making the whole device safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a half-section structural schematic diagram of the present utility model.

[0015] Figure 3 It is a partial enlarged structural diagram of point A of the present invention.

[0016] In the picture:

[0017] Inner annular shell 1, outer annular shell 2, convex ring cavity 3, ring groove 4, concave cavity 5, hollow convex metal ring sheet 6, lower pull-out plug 7, ring cavity 8, sealing ring 9, sealing ring 2 10, opening 11, convex metal contact 12, upper pull-out plug 13. DETAILED DESCRIPTION

[0018] In order to help those skilled in the art better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present invention.

[0019] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] Example

[0022] Reference Figure 1-3 , a lightweight clock spring for a new energy vehicle, comprising an inner annular shell 1 and an outer annular shell 2, wherein: the inner annular shell 1 is rotatably mounted in the outer annular shell 2, and when in use, the lightweight clock spring for the new energy vehicle can be fixedly mounted at a required position of the steering wheel shaft of the new energy vehicle through the fixing ears on the inner annular shell 1, so that the outer annular shell 2 can rotate with the rotation of the steering wheel of the new energy vehicle, and a plurality of hollow convex metal annular sheets 6 are evenly fixedly mounted on the upper surface of the inner annular shell 1, and a plurality of convex metal contacts 12 corresponding to the hollow convex metal annular sheets 6 are evenly fixedly mounted inside the outer annular shell 2; the convex metal contacts 12 are slidably mounted in the corresponding hollow convex metal annular sheets 6, and the convex metal contacts 12 are always in contact with the hollow convex metal annular sheets 6, so as to ensure the stability between the hollow convex metal annular sheets 6 and the convex metal contacts 12, and prevent the convex metal contacts 12 from being separated from the hollow convex metal annular sheets 6 during the rotation of the steering wheel of the new energy vehicle;

[0023] A pull-out plug 13 is fixedly mounted above the outer surface of the outer annular shell 2, and the pins inside the pull-out plug 13 are electrically connected to the corresponding convex metal contacts 12, so that the pull-out plug 13 can be connected to the function buttons on the steering wheel of the new energy vehicle and the control wiring harness plug of the airbag;

[0024] A pull-out plug 7 is fixedly mounted on the bottom surface of the inner annular shell 1 , and the pins inside the pull-out plug 7 are electrically connected to the corresponding hollow convex metal ring piece 6 , so as to be connected to the plug of the control harness on the new energy vehicle through the pull-out plug 7 .

[0025] A number of convex ring cavities 3 are evenly distributed on the upper surface of the inner annular shell 1 to provide installation space for the hollow convex metal ring sheet 6 and ensure the stability of the hollow convex metal ring sheet 6, and annular grooves 4 are respectively provided on the outer and inner sides of the bottom surface of the inner annular shell 1 so that the inner annular shell 1 and the outer annular shell 2 can be clamped together, and a concave cavity 5 is respectively provided on both sides of the upper surface of the inner annular shell 1 so that the inner annular shell 1 and the outer annular shell 2 can be clamped together; the convex ring cavity 3 is located between the two concave cavities 5; the hollow convex metal ring sheet 6 is fixedly installed in the corresponding convex ring cavity 3; the outer annular shell 2 is rotatably installed in the corresponding annular groove 4 and concave cavity 5; the annular groove 4 and the concave cavity 5 are filled with solid sealing lubricating oil to seal the hollow convex metal ring sheet 6 to prevent dust from entering, while ensuring the smoothness of the rotation of the inner annular shell 1 and the outer annular shell 2.

[0026] An annular cavity 8 is provided inside the outer annular shell 2, and an opening 11 is provided on the bottom surface of the outer annular shell 2, which is connected to the annular cavity 8; the inner diameter of the opening 11 is smaller than the inner diameter of the annular cavity 8; the inner annular shell 1 is rotatably installed in the annular cavity 8 and the opening 11, and the annular groove 4 of the inner annular shell 1 is in the opening 11; so as to ensure the smoothness of the rotation of the inner annular shell 1 and the outer annular shell 2.

[0027] Several sealing rings 9 corresponding to the hollow convex metal ring pieces 6 are evenly and fixedly installed above the annular cavity 8 of the outer annular shell 2. The sealing rings 9 are slidably installed in the openings of the corresponding hollow convex metal ring pieces 6 to seal the hollow convex metal ring pieces 6 and prevent dust from entering; two sealing rings 2 10 are evenly and fixedly installed above the annular cavity 8 of the outer annular shell 2 to seal the hollow convex metal ring pieces 6 to prevent dust from entering, and the sealing ring 9 is located between the two sealing rings 2 10, and the sealing ring 2 10 is rotatably installed in the corresponding concave cavity 5.

[0028] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the scope of protection of the utility model.

Claims

1. A lightweight clock spring for new energy vehicles, characterized by: The invention comprises an inner annular shell (1) and an outer annular shell (2), wherein the inner annular shell (1) is rotatably mounted in the outer annular shell (2), and a plurality of hollow convex metal annular sheets (6) are evenly and fixedly mounted on the upper surface of the inner annular shell (1), and a plurality of convex metal contacts (12) corresponding to the hollow convex metal annular sheets (6) are evenly and fixedly mounted inside the outer annular shell (2); the convex metal contacts (12) are slidably mounted in the corresponding hollow convex metal annular sheets (6); A pull-out plug (13) is fixedly mounted above the outer surface of the outer annular shell (2), and pins inside the pull-out plug (13) are electrically connected to corresponding convex metal contacts (12); A pull-out plug (7) is fixedly mounted on the bottom surface of the inner annular shell (1), and pins inside the pull-out plug (7) are electrically connected to corresponding hollow convex metal annular sheets (6).

2. A lightweight clock spring for a new energy vehicle according to claim 1, characterized in that: The upper surface of the inner annular shell (1) is uniformly provided with a plurality of convex annular cavities (3), and annular grooves (4) are respectively provided on the outer side and the inner side of the bottom surface of the inner annular shell (1), and concave cavities (5) are respectively provided on both sides of the upper surface of the inner annular shell (1); the convex annular cavity (3) is located between the two concave cavities (5); the hollow convex metal annular sheet (6) is fixedly installed in the corresponding convex annular cavity (3); and the outer annular shell (2) is rotatably installed in the corresponding annular groove (4) and concave cavity (5).

3. A lightweight clock spring for a new energy vehicle according to claim 2, characterized in that: An annular cavity (8) is provided inside the outer annular shell (2), and an opening (11) is provided on the bottom surface of the outer annular shell (2), the opening (11) being in communication with the annular cavity (8); the inner annular shell (1) is rotatably mounted in the annular cavity (8) and the opening (11), and the annular groove (4) of the inner annular shell (1) is located in the opening (11).

4. A lightweight clock spring for a new energy vehicle according to claim 3, characterized in that: A plurality of sealing rings (9) corresponding to the hollow convex metal ring sheets (6) are evenly and fixedly installed above the annular cavity (8) of the outer annular shell (2), and the sealing rings (9) are slidably installed in the openings of the corresponding hollow convex metal ring sheets (6); two sealing rings (10) are evenly and fixedly installed above the annular cavity (8) of the outer annular shell (2), and the sealing ring (9) is located between the two sealing rings (10), and the sealing ring (10) is rotatably installed in the corresponding concave cavity (5).

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