A waterproof automotive wiring harness connector

Abstract

This utility model relates to the technical field of automotive wiring harness connectors, specifically a waterproof automotive wiring harness connector, including a mating seat, a mating connector, a sealing strip, and a water-absorbing strip. The mating seat is connected to the primary wiring harness and has a mating groove. A male connector is provided at the bottom of the mating groove. The mating connector is connected to the secondary wiring harness and has a female connector. The mating connector is matched with the mating groove and inserted into the mating groove. The male connector is matched with the female connector and inserted into the female connector. A sealing groove is provided on the side wall of the mating connector. By using a waterproof automotive wiring harness connector composed of a mating seat, a mating connector, a sealing strip, and a water-absorbing strip, the sealing strip blocks most of the water, and the water-absorbing strip absorbs the small amount of water that seeps in. Thus, the combined action of the sealing strip and the water-absorbing strip effectively improves the sealing performance at the connection between the mating seat and the mating connector.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive wiring harness connectors, specifically a waterproof automotive wiring harness connector. Background Technology

[0002] Wire harness connectors are core components used in the automotive, electronic equipment and other fields to connect wire harnesses to equipment / components. They are essentially "detachable conductive interfaces" and their core function is to enable circuit connection, disconnection or signal / power transmission, while ensuring the stability and safety of the connection. A Chinese patent document with publication number CN220731876U discloses a waterproof automotive wiring harness connector. The design includes a first automotive wiring harness and a second automotive wiring harness. The first automotive wiring harness has a plug slot fixedly connected to its end, and the second automotive wiring harness has a plug connector fixedly connected to its end. The first automotive wiring harness is provided with a waterproof component, which includes two waterproof protective shells on both sides. The two waterproof protective shells are respectively sleeved on the first automotive wiring harness and the second automotive wiring harness. Multiple mounting plates are fixedly connected to the surface of the waterproof protective shells. A sealing ring is fixedly connected to the end of the waterproof protective shell, and a sealing gasket is fixedly connected to the inner side of the waterproof protective shell. However, the above solutions only use ordinary sealing rings and gaskets to seal the connection between the connector and the waterproof protective shell. However, the sealing surface at the connection is at the junction, and the overall force of the sealing ring and gasket is insufficient, resulting in a certain lack of sealing effect at the connection. Therefore, this utility model proposes a waterproof automotive wiring harness connector to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a waterproof automotive wiring harness connector to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a waterproof automotive wiring harness connector, comprising: A docking seat is connected to a primary wire harness, and a docking groove is provided on the docking seat, with a male connector provided at the bottom of the groove. The connector is connected to the secondary wire harness. The connector is provided with a female connector. The connector is matched with the mating groove and is inserted into the mating groove. The male connector is matched with the female connector and is inserted into the female connector. A sealing strip is provided on the side wall of the connector, and the sealing strip is embedded in the sealing groove. The absorbent strip has an absorbent groove on the side wall of the connector, and the absorbent strip is embedded in the absorbent groove.

[0005] Preferably, the sealing strip is a flexible rubber strip, the absorbent strip is an absorbent cotton strip, the absorbent groove is close to the female connector, and the sealing groove is far from the female connector. When the connector and the mating seat are mated, both the sealing strip and the absorbent strip are in a compressed state.

[0006] Preferably, the sealing strip has a pre-reserved water absorption hole, which is an annular hole structure, and a water-absorbing resin strip is pre-embedded in the water absorption hole. A water-guiding groove is provided through the side wall of the water absorption hole, and two circles of the water-guiding groove are provided around the circumference, with the opening end of the water-guiding groove facing the opening direction of the docking groove.

[0007] Preferably, the docking groove is a frustum-shaped groove, and the docking joint and docking seat are positioned horizontally on the vehicle during actual docking.

[0008] Preferably, the side wall of the mating groove is provided with an alignment groove, and the side wall of the mating joint is integrally formed with an alignment protrusion. The alignment groove and the alignment protrusion are symmetrically arranged in a set, and the alignment protrusion is correspondingly arranged with the alignment groove. When the mating joint and the mating seat are actually mated, the alignment protrusion is embedded in the alignment groove.

[0009] Preferably, a limiting ring is integrally formed on the side wall of the connector, an external thread structure is provided on the outer side wall of the mating seat, and a fastener is fitted on the mating head. The fastener is a rotating body structure with an L-shaped cross section. The fastener is threadedly connected to the external thread structure of the mating seat, and the fastener and the limiting ring are abutted against each other.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting up a waterproof automotive wiring harness connector consisting of a mating seat, a connector, a sealing strip, and a water-absorbing strip, the sealing strip blocks most of the water, and the water-absorbing strip absorbs the small amount of water that seeps in. Thus, the combined effect of the sealing strip and the water-absorbing strip effectively improves the sealing performance at the connection between the mating seat and the connector. 2. By pre-reserving water absorption holes on the sealing strip and opening water inlet grooves through the side walls of the water absorption holes, and pre-embedding water-absorbing resin strips in the water absorption holes, the water-absorbing resin strips will expand due to their water absorption, thereby causing the sealing strips to expand as well, thus further improving the sealing performance at the connection between the mating seat and the joint. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a half-sectional view of the present invention; Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle; Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point B; Figure 5 This is a schematic diagram of the docking seat structure of the present invention; Figure 6 This is a schematic diagram of the connector structure of the present invention; Figure 7 This is a schematic diagram showing the positional distribution of the sealing strip and absorbent strip of the present invention.

[0012] In the diagram: 1. Connecting seat; 2. Connecting joint; 3. Sealing strip; 4. Absorbent strip; 5. Primary wiring harness; 6. Secondary wiring harness; 7. Connecting groove; 8. Male connector; 9. Female connector; 10. Sealing groove; 11. Absorbent groove; 12. Absorbent resin strip; 13. Water inlet groove; 14. Alignment groove; 15. Alignment protrusion; 16. Limiting ring; 17. External thread structure; 18. Fastener. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0014] Please see Figure 1-7 The present invention provides the following three preferred embodiments: Example 1 A waterproof automotive wiring harness connector includes a mating base 1, a mating connector 2, a sealing strip 3, and a water-absorbing strip 4. The mating base 1 is connected to a primary wiring harness 5, and a mating groove 7 is provided on the mating base 1. A male connector 8 is provided at the bottom of the mating groove 7. The mating connector 2 is connected to a secondary wiring harness 6, and a female connector 9 is provided on the mating connector 2. The mating connector 2 is matched with the mating groove 7 and is inserted into the mating groove 7. The male connector 8 is matched with the female connector 9 and is inserted into the female connector 9. A sealing groove 10 is provided on the side wall of the mating connector 2, and the sealing strip 3 is embedded in the sealing groove 10. A water-absorbing groove 11 is provided on the side wall of the mating connector 2, and the water-absorbing strip 4 is embedded in the water-absorbing groove 11.

[0015] Example 2 Based on Embodiment 1, the sealing strip 3 is a flexible rubber strip, the water-absorbing strip 4 is a water-absorbing cotton strip, the water-absorbing groove 11 is close to the female connector 9, and the sealing groove 10 is far away from the female connector 9. When the connector 2 and the docking seat 1 are docked, both the sealing strip 3 and the water-absorbing strip 4 are in a compressed state.

[0016] The sealing strip 3 has a pre-drilled water absorption hole, which is an annular hole structure. A water-absorbing resin strip 12 is embedded in the water absorption hole. A water-guiding groove 13 is provided through the side wall of the water absorption hole. The water-guiding groove 13 has two circumferences, and the opening end of the water-guiding groove 13 faces the opening direction of the docking groove 7. By pre-drilling water absorption holes on the sealing strip 3, providing water-guiding grooves 13 through the side wall of the water absorption holes, and embedding water-absorbing resin strips 12 in the water absorption holes, the water-absorbing resin strip 12 absorbs water and expands, thereby causing the sealing strip 3 to expand. This further improves the sealing performance at the connection between the docking seat 1 and the docking joint 2.

[0017] The docking groove 7 is a frustum-shaped groove, and when the connector 2 and the docking seat 1 are actually docked, the connector 2 and the docking seat 1 are positioned horizontally on the car. By setting the docking groove 7 as a frustum-shaped groove and positioning the connector 2 and the docking seat 1 horizontally on the car, the infiltrated water can flow down along the side of the docking groove 7.

[0018] Example 3 Based on Embodiment 2, the mating groove 7 has an alignment groove 14 on its side wall, and the mating joint 2 has an alignment protrusion 15 integrally formed on its side wall. The alignment groove 14 and the alignment protrusion 15 are symmetrically arranged in a set, and the alignment protrusion 15 is correspondingly arranged with the alignment groove 14. When the mating joint 2 and the mating seat 1 are actually mated, the alignment protrusion 15 is embedded in the alignment groove 14. Through the arrangement of the alignment protrusion 15 and the alignment groove 14, it is convenient for the mating joint 2 and the mating seat 1 to be aligned.

[0019] A limiting ring 16 is integrally formed on the side wall of the connector 2, and an external thread structure 17 is provided on the outer side wall of the mating seat 1. A fastener 18 is fitted on the connector 2. The fastener 18 is a rotating body structure with an L-shaped cross section. The fastener 18 is threadedly connected to the external thread structure 17 of the mating seat 1, and the fastener 18 is set to abut against the limiting ring 16. The connection stability between the connector 2 and the mating seat 1 is ensured by the action of the fastener 18.

[0020] Although the illustrative specific embodiments of this application have been described above to enable those skilled in the art to understand this application, this application is not limited to the scope of the specific embodiments. For those skilled in the art, all applications utilizing the concept of this application are protected as long as various variations are within the spirit and scope of this application as defined and determined by the appended claims.

Claims

1. A waterproof automotive wiring harness connector, characterized in that: include: A docking seat (1) is connected to a primary wire harness (5), and a docking groove (7) is provided on the docking seat (1). A male connector (8) is provided at the bottom of the docking groove (7). A female connector (9) is provided on the female connector (9) and the female connector (9) is matched with the mating groove (7). The female connector (2) is inserted into the mating groove (7). The male connector (8) is matched with the female connector (9) and the male connector (8) is inserted into the female connector (9). A sealing strip (3) is provided on the side wall of the connector (2), and the sealing strip (3) is embedded in the sealing groove (10). The absorbent strip (4) has an absorbent groove (11) on the side wall of the connector (2), and the absorbent strip (4) is embedded in the absorbent groove (11).

2. The waterproof automotive wiring harness connector according to claim 1, characterized in that: The sealing strip (3) is a flexible rubber strip, the absorbent strip (4) is an absorbent cotton strip, the absorbent groove (11) is close to the female connector (9), and the sealing groove (10) is far away from the female connector (9). When the connector (2) and the docking seat (1) are docked, the sealing strip (3) and the absorbent strip (4) are both in a compressed state.

3. A waterproof automotive wiring harness connector according to claim 2, characterized in that: The sealing strip (3) has a pre-reserved water absorption hole. The water absorption hole is an annular hole structure, and a water-absorbing resin strip (12) is pre-embedded in the water absorption hole. A water-guiding groove (13) is provided through the side wall of the water absorption hole. The water-guiding groove (13) is provided with two circles around its circumference, and the opening end of the water-guiding groove (13) faces the opening direction of the docking groove (7).

4. A waterproof automotive wiring harness connector according to claim 3, characterized in that: The docking groove (7) is a frustum-shaped groove, and when the docking joint (2) and docking seat (1) are actually docked, the docking joint (2) and docking seat (1) are positioned horizontally on the car.

5. A waterproof automotive wiring harness connector according to claim 4, characterized in that: The mating groove (7) has an alignment groove (14) on its side wall, and the mating head (2) has an alignment protrusion (15) integrally formed on its side wall. The alignment groove (14) and the alignment protrusion (15) are symmetrically arranged in a set, and the alignment protrusion (15) is corresponding to the alignment groove (14). When the mating head (2) and the mating seat (1) are actually mated, the alignment protrusion (15) is embedded in the alignment groove (14).

6. A waterproof automotive wiring harness connector according to claim 5, characterized in that: The side wall of the connector (2) is integrally formed with a limiting ring (16), the outer side wall of the docking seat (1) is provided with an external thread structure (17), the connector (2) is fitted with a fastener (18), the fastener (18) is a rotating body structure with an L-shaped cross section, the fastener (18) is threadedly connected to the external thread structure (17) of the docking seat (1), and the fastener (18) and the limiting ring (16) are abutted against each other.

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