Elastic sheet structure for adjusting length change in axis direction after torsion of optical fiber assembly

Abstract

The utility model belongs to the field of automobile lamps, and particularly relates to an elastic sheet structure for adjusting the length change in the axial direction after an optical fiber assembly is twisted, which comprises an optical fiber assembly and a plurality of elastic sheets, the side surface of the optical fiber assembly is round, and the optical fiber assembly comprises a plurality of optical fibers and crystal joints; an elastic piece is fixed between one end of the optical fiber and the crystal connector, the optical fiber is fixed at the outer end of the elastic piece, elastic contact pieces are arranged on the inner side of the elastic piece, the elastic contact pieces obliquely extend towards the interior of the optical fiber assembly, the ends of all the elastic contact pieces are connected, and the radial distance a between the top ends of the elastic contact pieces and the side face of the optical fiber assembly is 1-10 mm. When the optical fiber is twisted, the axial length of the optical fiber is reduced inwards, and the elastic contact pieces deform to tension the optical fiber towards the side end. The optical fiber twisting device is simple in structure, can effectively adjust the length change of the optical fiber assembly in the axis direction in the twisting process, and ensures that the optical fiber is not loosened in the twisting process.

Description

Technical Field

[0001] The utility model belongs to the field of automobile lamps, and in particular relates to a spring structure for adjusting the length change in the axis direction of an optical fiber component after being twisted. Background Art

[0002] With the widespread application of LED technology in the field of car lights, the cool lighting mode of the rear position lights when welcoming guests and locking the car is becoming more and more popular among consumers. At the same time, with the development of the industry and the entry of new energy fields, higher requirements are put forward for the lighting mode of the rear position lights when welcoming guests and locking the car. Therefore, there are more and more lights in the form of fiber optic components, but the length of the fiber optic components in the axial direction will change during the torsion process, which will cause the fiber optic components to become loose during the torsion process, directly affecting the lighting effect and receiving customer complaints. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a spring structure for adjusting the length change of the optical fiber component in the axial direction after twisting. The structure is simple and can effectively adjust the length change of the optical fiber component in the axial direction during the twisting process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring structure for adjusting the length change in the axial direction of an optical fiber component after twisting, comprising an optical fiber component and a plurality of springs, the side of the optical fiber component is circular, the optical fiber component comprises a plurality of optical fibers and a crystal connector, both ends of the optical fiber are connected to the crystal connector, a spring is fixed between one end of the optical fiber and the crystal connector, the optical fiber is fixed at the outer end of the spring, an elastic contact piece is arranged on the inner side of the spring, a plurality of elastic contact pieces extend obliquely into the interior of the optical fiber component and all the ends of the elastic contact pieces are connected, when the optical fiber is twisted, the axial length of the optical fiber shrinks inward and becomes shorter, and the elastic contact piece is deformed to pull the optical fiber toward the side end.

[0005] Furthermore, the radial distance between the top of the elastic contact piece and the side surface of the optical fiber component is a, and a is between 1-10 mm.

[0006] Furthermore, the side surface of the elastic contact piece is circular after the ends are connected.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model cooperates with the crystal connector at the optical fiber end through the circumferential elastic contact of the spring structure, and adjusts the length change of the optical fiber component in the axial direction during the torsion process through the elastic deformation of the elastic contact, and ensures that the optical fiber component will not become loose during the torsion process; the internal ends of the elastic contact are connected and the side surfaces are circular, so that the elastic contact deforms elastically as a whole synchronously, ensuring that the length of all optical fiber components in the axial direction is adjusted synchronously as a whole during the torsion process. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1This is a schematic diagram of the structure of the utility model before torsion;

[0009] Figure 2 This is a schematic diagram of the right side structure of the utility model before twisting;

[0010] Figure 3 This is a schematic diagram of the left side structure of the utility model before twisting;

[0011] Figure 4 for Figure 1 Sectional view at AA;

[0012] Figure 5 This is a schematic diagram of the structure of the utility model after twisting;

[0013] Figure 6 This is a schematic diagram of the right side structure of the utility model after twisting;

[0014] Figure 7 This is a schematic diagram of the left side structure of the utility model after twisting;

[0015] Figure 8 for Figure 5 Cross-sectional view at BB in the middle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-8The technical solution provided by the utility model is: a spring piece structure for adjusting the change in the length of the optical fiber component in the axial direction after the twisting, comprising an optical fiber component 1 and a plurality of spring pieces 2, the optical fiber component 1 is circular in side, the optical fiber component 1 comprises a plurality of optical fibers 11 and a plurality of crystal connectors 12, both ends of each optical fiber 11 are connected to the crystal connector 12, and a plurality of optical fibers 11 connected to the crystal connector 12 at both ends form a circle, a spring piece 2 is fixed between one end of the optical fiber 11 and the crystal connector 12, each spring piece 2 faces the inside of the optical fiber component 1 and forms a circle inside the optical fiber component 1, the optical fiber 11 is fixed to the outer end of the spring piece 2, and an elastic contact is arranged on the inner side of the spring piece 2 The optical fiber 11 is provided with a plurality of elastic contact pieces 21, and the ends of the elastic contact pieces 21 are connected. Before the optical fiber 11 is twisted, the axial length of the optical fiber 11 is d1, and d1 is 306.9 mm. After the optical fiber 11 is twisted, the axial length of the optical fiber 11 shrinks and shortens, and the axial length of the optical fiber 11 is d2, and d2 is 302.9 mm. At this time, the elastic contact piece 21 cooperates with the crystal connector 12 at the end of the optical fiber 11. The optical fiber 11 is tightened toward the side end through the deformation of the elastic contact piece 21 without being loose, thereby adjusting the length change of the optical fiber component 1 in the axial direction during the twisting process, so that the lighting effect of the car lamp is good.

[0018] Specifically, the distance between the top of the elastic contact piece 21 and the radial side of the optical fiber component 1 is a, and a is between 1-10 mm. Before the optical fiber 11 is twisted, the distance a between the top of the elastic contact piece 21 and the radial side of the optical fiber component 1 is 10 mm; during the twisting process of the optical fiber 11, the distance between the top of the elastic contact piece 21 and the radial side of the optical fiber component 1 gradually decreases, and the elastic contact piece 21 deforms in the radial direction of the side of the optical fiber component 1 through elastic deformation; after the optical fiber 11 is twisted, the distance a between the elastic contact piece 21 and the radial side of the optical fiber component 1 is ≥1 mm.

[0019] Specifically, the side surface of the elastic contact piece 21 after the ends are connected is rounded, and when the optical fiber 11 is twisted, the elastic contact piece 21 is elastically deformed as a whole synchronously, ensuring that the length of the axial direction of all optical fiber components 1 is adjusted synchronously as a whole during the twisting process.

[0020] The movement process of the utility model is as follows: when the optical fiber 11 is twisted, the optical fiber assembly 1 gradually shrinks in the axial length and becomes shorter. During this process, the elastic contact piece 21 on the spring piece 2 deforms in the radial direction of the side of the optical fiber assembly 1 through elastic deformation, and the distance between the top of the elastic contact piece 21 and the radial direction of the side of the optical fiber assembly 1 gradually decreases. The deformation of the elastic contact piece 21 tightens the optical fiber 11 toward the side end and does not make it loose. When the optical fiber 11 is twisted, the distance a between the elastic contact piece 21 and the radial direction of the side of the optical fiber assembly 1 is ≥1mm.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A spring structure for adjusting the length change in the axial direction of an optical fiber component after twisting, characterized in that: The optical fiber assembly (1) comprises an optical fiber component (1) and a plurality of spring pieces (2), wherein the optical fiber component (1) has a circular side surface, comprises a plurality of optical fibers (11) and a crystal connector (12), both ends of the optical fiber (11) are connected to the crystal connector (12), a spring piece (2) is fixed between one end of the optical fiber (11) and the crystal connector (12), the optical fiber (11) is fixed to the outer end of the spring piece (2), an elastic contact piece (21) is arranged on the inner side of the spring piece (2), a plurality of the elastic contact pieces (21) extend obliquely into the interior of the optical fiber assembly (1) and the ends of all the elastic contact pieces (21) are connected, and when the optical fiber (11) is twisted, the axial length of the optical fiber (11) shrinks inwards and becomes shorter, and the elastic contact piece (21) deforms to pull the optical fiber (11) toward the side end.

2. A spring structure for adjusting the length change of the optical fiber assembly in the axial direction after twisting according to claim 1, characterized in that: The radial distance between the top of the elastic contact piece (21) and the side surface of the optical fiber assembly (1) is a, and a is between 1 and 10 mm.

3. The spring structure for adjusting the length change of the optical fiber assembly in the axial direction after twisting according to claim 2, characterized in that: The side surface of the elastic contact piece (21) is circular after the ends are connected.

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