Novel eddy current sensor wire harness fixing structure

Abstract

The utility model discloses a novel eddy current sensor wire harness fixing structure, which comprises two clamps and a plurality of wire harnesses, the two clamps have the same structure and are symmetrically designed, a plurality of welding ribs are fixed on the adjacent sides of the two clamps, and a plurality of welding grooves are arranged on the adjacent sides of the two clamps. According to the utility model, the welding ribs are matched with the welding grooves, a welding area is formed through an ultrasonic welding process, and mechanical connection force is generated; the welding groove is used for storing welding flash materials and preventing the welding flash materials from influencing the attachment of the upper and lower clamps, and the upper and lower V-shaped grooves are matched to clamp the wire harness; the transverse boss and the longitudinal boss are used for being in interference fit with a groove in a sensor shell; protruding structures and length designs are different and are used for preventing the upper clamp and the lower clamp from being placed reversely in the assembling process, and the mistake proofing effect is achieved. The structure is matched with a wire harness positioning tool, wire harness positioning is convenient and reliable, and the ultrasonic welding process is high in production efficiency, low in rejection rate and reliable in quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to an eddy current sensor wire harness structure technical field especially relates to a novel eddy current sensor wire harness fixed structure. BACKGROUND

[0002] The current eddy current sensor wire harness is mainly fixed through insert injection molding process. However, the current eddy current sensor wire harness fixing process has the following shortcomings:

[0003] 1. The wire harness is difficult to position in the injection mold, and the production rhythm is slow;

[0004] 2. The wire harness is easily deformed by high-pressure high-speed plastic flow during injection molding;

[0005] 3. The wire harness insulation layer is easily broken by the mold, and the scrap rate is high.

[0006] Therefore, in view of the deficiencies of the prior art, the utility model provides an eddy current sensor wire harness fixing structure which is reliable in positioning, reliable in structure and fast in production rhythm. UTILITY MODEL CONTENTS

[0007] The utility model discloses a novel eddy current sensor wire harness fixing structure which solves the shortcomings of the prior art.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel eddy current sensor wire harness fixing structure, comprising two clamps and a plurality of wire harnesses, the two clamps are the same structure and symmetrically designed, a plurality of welding ribs are fixed on the adjacent sides of the two clamps, and a plurality of welding grooves are formed on the adjacent sides of the two clamps, the welding ribs and the welding grooves on the two clamps are connected and matched, and the welding ribs and the welding grooves form a fusion area through ultrasonic welding, and a plurality of V-shaped grooves for clamping the wire harnesses are symmetrically formed on the adjacent sides of the two clamps.

[0009] Further, the two clamps are provided with horizontal bosses at both ends, and the two clamps are provided with longitudinal bosses on both sides of the side surface.

[0010] Further, the two clamps are provided with first and second protruding structures on both sides of the side surface, and the length of the first protruding structure is greater than that of the second protruding structure.

[0011] Further, the clamp material is PA66 GF30, and the wire harness insulation layer material is ETFE.

[0012] The utility model has the advantages of:

[0013] The utility model discloses a novel eddy current sensor wire harness fixed structure, sets up welding rib and welding groove cooperation, forms the fusion area through ultrasonic welding process, and produces mechanical connection force, welding groove is used for storing welding overflow material, avoids the influence of welding overflow material to the upper and lower two clamping and adhering, and the upper and lower two V -shaped groove cooperation clamps wire harness, horizontal boss and longitudinal boss are used for and the recess of sensor shell interference fit, and the protruding structure and length design are different, are used for preventing the upper and lower two clamping and putting in the direction when assembling, and the mistake is prevented, and this structure cooperates wire harness positioning tool, and wire harness positioning is convenient and reliable, and ultrasonic welding process production efficiency is high, and the rejection rate is low, and the quality is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description in the needed use of the drawing briefly introduce, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0015] Fig. 1 : the assembled perspective view of the utility model;

[0016] Fig. 2 : the utility model's explosion map.

[0017] The signs are as follows:

[0018] 1, clamp, 2, welding rib, 3, welding groove, 4, V-shaped groove, 5, horizontal boss, 6, longitudinal boss, 7, first protruding structure, 8, second protruding structure, 9, wire harness. DETAILED DESCRIPTION

[0019] The following will be to the specific implementation mode description in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0020] As Figs. 1-2 Shown, relate to a kind of novel eddy current sensor wire harness fixed structure, including two clamps 1 and several wire harnesses 9, two clamps 1 structure are identical and symmetric design, multiple welding ribs 2 are fixed on the adjacent side of two clamps 1, and multiple welding grooves 3 are opened on the adjacent side of two clamps 1, welding rib 2 on two clamps 1 is connected with welding groove 3, and welding rib 2 and welding groove 3 form fusion area by ultrasonic welding, multiple V-shaped grooves 4 for clamping wire harness 9 are symmetrically opened on the adjacent side of two clamps 1.

[0021] The material of the clamp 1 is PA66 GF30, and the material of the insulation layer of the wire harness 9 is ETFE.

[0022] In this embodiment, the two clamps 1 are connected by ultrasonic welding process, and the wire harness 9 is fixed and clamped by interference fit with the clamp 1; the welded wire harness 9 assembly is connected and fixed with the groove on the eddy current sensor shell by interference press-fit process.

[0023] The welding ribs 2 and the welding grooves 3 cooperate to form a fusion area by ultrasonic welding process and generate mechanical connection force, and the welding grooves 3 are used to store welding overflow to avoid the influence of welding overflow on the adhesion of the upper and lower clamps 1; the V-shaped grooves 4 on the upper and lower clamps 1 cooperate to clamp the wire harness 9.

[0024] The two clamps 1 are provided with transverse bosses 5 at both ends, and longitudinal bosses 6 are arranged on both sides of the side surfaces of the two clamps 1.

[0025] The transverse bosses 5 and the longitudinal bosses 6 are used for interference fit with the grooves on the sensor shell.

[0026] The two clamps 1 are respectively provided with a first protruding structure 7 and a second protruding structure 8 on both sides of the side surfaces, and the length of the first protruding structure 7 is greater than the length of the second protruding structure 8.

[0027] The first protruding structure 7 and the second protruding structure 8 are designed to prevent the upper and lower clamps 1 from being installed in the wrong direction, and to prevent errors.

[0028] The size D1 is the welding penetration depth, D1=D3-D4, D3 is the height of the welding rib 2, and D4 is the depth of the welding groove 3; D11 is the length of the welding rib 2, and D12 is the width of the welding rib 2, the welding area volume V1=D1*D11*D12, the welding strength is positively correlated with the welding area volume V1, and the welding volume design needs to consider whether the welding strength can resist the vibration impact load and the reaction force of the wire harness on the clamp; different welding strengths can be designed by adjusting the parameters of V1.

[0029] The size D2 is the single-side interference amount of the wire harness 9 and the V-shaped groove 4, D2=(D7-D13) / 2, D7 is the diameter of the circumscribed circle of the V-shaped groove 4, and D13 is the diameter of the wire harness 9; the clamping force Fn of the clamp 1 on the wire harness 9 is positively correlated with the interference volume V2, V2=a*D2*D14, a is the contact coefficient, and D14 is the length of the contact surface of the clamp 1 and the wire harness 9; the friction force Ff of the wire harness 9 is μ*Fn, μ is the friction coefficient of the contact surface, and μ is positively correlated with the roughness of the contact surface; the friction coefficients of different wire harness insulation layer materials are different, and the friction coefficients of commonly used materials are XLPE>ETFE>PTFE; different friction forces can be designed by adjusting the parameters of V2.

[0030] The size D5 is the flatness of the fitting surface of the clamp 1, the flatness can measure the deformation of the clamp 1, the deformation of the clamp 1 will affect the welding penetration D1 and the single-side interference D2, so the flatness of the fitting surface of the clamp 1 needs to be strictly controlled.

[0031] The size D6 is the position degree of the V-shaped groove 4, the sizes D8, D9 and D10 are the theoretical position sizes of the V-shaped groove 4, the position of the V-shaped groove 4 determines the position of the wire harness 9 after ultrasonic welding, so the position degree D6 of the V-shaped groove 4 needs to be strictly controlled.

[0032] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the technical personnel in the technical field can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A novel Eddy current sensor wire harness fixation structure, characterized by: The utility model relates to a kind of wire harness clamps, including two clamps (1) and several wire harnesses (9), two described clamps (1) are same structure and symmetrical design, multiple weld beads (2) are fixed in the adjacent side of two described clamps (1), and multiple weld grooves (3) are set in the adjacent side of two described clamps (1), the weld bead (2) and weld groove (3) on two described clamps (1) are clamped with each other, and weld bead (2) and weld groove (3) are fused region by ultrasonic welding, multiple V-shaped grooves (4) for clamping into wire harness (9) are symmetrically set in the adjacent side of two described clamps (1).

2. A novel eddy current sensor wire harness fixing structure according to claim 1, characterized in that: Two described clamps (1) both ends are equipped with horizontal boss (5), and two clamps (1) side two sides are equipped with longitudinal boss (6).

3. The novel eddy current sensor wire harness fixing structure according to claim 1, characterized in that: Two described clamps (1) side two sides are respectively equipped with first protruding structure (7) and second protruding structure (8), and the length of first protruding structure (7) is greater than the length of second protruding structure (8).

4. The novel eddy current sensor wire harness fixing structure according to claim 1, characterized in that: The material of the clamp (1) is PA66 GF30, and the material of the insulation layer of the wire harness (9) is ETFE.

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