CN214899052U

CN214899052U - Trailer power connector

Info

Publication number: CN214899052U
Application number: CN202120648649.XU
Authority: CN
Inventors: 孙计兵
Original assignee: Hangzhou Zhongmeng Photoelectric Technology Co ltd
Current assignee: Hangzhou Zhongmeng Photoelectric Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-26
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to the technical field of power supply connector equipment, in particular to a trailer power supply connector, which comprises a main body shell, wherein a rubber core main body is arranged inside the main body shell; the flip cover sealing component comprises a flip cover, a cover plate and a first sealing ring, wherein an annular flange protruding outwards is arranged at the edge of the cover plate, the first sealing ring is tightly sleeved on the cover plate, one side of the first sealing ring is in contact with the end face of the annular flange, the cover plate is detachably mounted on the inner side of the flip cover, the other side of the first sealing ring is in contact with the inner wall of the flip cover, and the flip cover is hinged to the front end of the main body shell; back lid seal assembly includes back lid, sealing washer two, guide pin bushing, gland and sealed stifled, has improved greatly the utility model discloses a sealing performance can effectually prevent that dust and water from getting into the utility model discloses, improved the safety of use, ensured the utility model discloses high-efficient, stable use.

Description

Trailer power connector

Technical Field

The utility model relates to a power connector equipment technical field, concretely relates to trailer power connector.

Background

Trailers are unpowered vehicles that need to be towed behind a truck, tractor, or other vehicle. The trailer itself includes lighting, alarms and other electrical devices that require electrical connectors between the trailer and the tractor for the transmission of signals and power, which in turn allows for the effective control of the devices within the trailer by the tractor.

Because of different standards of various countries, the existing electric connector mainly comprises 12V power supply and 24V power supply, 12V is adopted in the United states, and 24V is adopted in both Europe and China. In 24V power supply, the main international standards are a 15-core connection standard ISO12098 mainly used for lighting and a core connection standard ISO7638-1 used for ABS/EBS7, the corresponding Chinese national standards are GBT-20717 and GBT-20716 respectively, and the international standard and the Chinese standard have the same adopted consistency.

The existing standards of the electric connector between the tractor and the trailer cannot be completely met for the existing working environment, the main standards of ISO12098 and ISO7638 are decades from now, and under the promulgation of GB7258-2017, the requirement of improving the perception of a driver to the whole vehicle and the trend of high internet and internet of things of the vehicle, more and more devices such as a GPS, a temperature control system, a camera monitoring system, a reversing radar, a hydraulic lifting system, a data acquisition interactive system and the like are required on the trailer. The power supply scheme of the additional equipment is not perfect, the existing power supply standards and equipment cannot scientifically and reasonably supply power to the newly-added equipment, and therefore when the equipment needs to be used, the power supply can be provided only by self-contained power supply or through the modification of an electric connector. But the sealing performance of the existing electric connector is poor, and potential safety hazards exist in the use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trailer power connector.

To achieve the purpose, the utility model adopts the following technical proposal:

the trailer power connector comprises a main body shell, wherein a rubber core main body is arranged in the main body shell, a flip cover sealing assembly is arranged at the front end of the main body shell, and a rear cover sealing assembly for a wiring harness to penetrate through is arranged at the rear end of the main body shell;

the flip cover sealing component comprises a flip cover, a cover plate and a first sealing ring, wherein an annular flange protruding outwards is arranged at the edge of the cover plate, the first sealing ring is tightly sleeved on the cover plate, one side of the first sealing ring is in contact with the end face of the annular flange, the cover plate is detachably mounted on the inner side of the flip cover, the other side of the first sealing ring is in contact with the inner wall of the flip cover, and the flip cover is hinged to the front end of the main body shell;

the rear cover sealing assembly comprises a rear cover, a second sealing ring, a guide sleeve, a gland and a sealing plug, wherein the second sealing ring is sleeved on the outer wall of the rear end of the main body shell, the rear cover is installed at the end part of the main body shell and is in sealing contact with the second sealing ring, the guide sleeve is arranged at the central position of the rear cover, the sealing plug is arranged in the guide sleeve, a through hole for a wire harness to pass through is formed in the sealing plug, the gland is fastened at the end part of the guide sleeve, the sealing plug is supported by the inner edge of the end part of the guide sleeve, and the wire harness penetrates out of the gland.

Preferably, the outer diameter of the first sealing ring is larger than that of the annular flange.

Preferably, the inner diameter of the via hole is smaller than the outer diameter of the wire harness, and the inner wall of the via hole is in close contact with the outer surface of the wire harness.

Preferably, the flip cover is rotatably connected with the front end of the main body housing through a reset rotating member.

Preferably, the rotation piece that resets includes torsional spring and minor axis, and the torsional spring is installed on the minor axis, and the minor axis rotates to be installed on the flip, and minor axis and main body cover's front end normal running fit, torsional spring cover are on the minor axis, and one end is connected with flip, and the other end is connected with main body cover's front end.

Has the advantages that: in the utility model, the first sealing ring, the cover plate and the flip form the first sealing, when the utility model does not need to butt the plug of the trailer, the flip covers the front end of the main body shell to form the first sealing for sealing, thereby preventing dust or water from entering the main body shell from the front end of the main body shell; a second sealing ring is arranged between the rear cover and the main body shell to form a second seal, so that dust and/or water are prevented from entering the main body shell from a gap between the rear cover and the main body shell; the sealing plug and the gland form a third seal to prevent dust or water from entering the main body shell from the front end of the main body shell, and the wiring harness penetrates through the through hole on the sealing plug and is in close contact with the inner wall of the through hole, so that the dust and the water can be prevented from entering the main body shell.

Through foretell sealed mode, improved greatly the utility model discloses a sealing performance can effectually prevent that dust and water from getting into the utility model discloses, improved the safety of use, ensured the utility model discloses high-efficient, stable use.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 and 4 are cross-sectional views of the present invention;

FIG. 5 is a schematic view of a cover plate;

FIG. 6 is a schematic view of a main body housing;

1-main body shell, 2-flip cover, 3-back cover, 4-gland, 5-cover plate, 6-seal ring I, 7-seal ring II, 8-guide sleeve, 9-seal plug and 10-rubber core main body.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 6, the trailer power connector includes a main body housing having a rubber core main body 10 therein, a flip cover sealing assembly is disposed at a front end of the main body housing 1, and a rear cover sealing assembly for a wiring harness to pass through is disposed at a rear end of the main body housing 1;

the flip cover sealing component comprises a flip cover 2, a cover plate 5 and a first sealing ring 6, wherein an annular flange protruding outwards is arranged at the edge of the cover plate 5, the first sealing ring 6 is tightly sleeved on the cover plate 5, one side of the first sealing ring is in contact with the end face of the annular flange, the cover plate 5 is detachably mounted on the inner side of the flip cover 2, the other side of the first sealing ring 6 is in contact with the inner wall of the flip cover 2, and the flip cover 2 is hinged to the front end of the main body shell 1;

the rear cover sealing assembly comprises a rear cover 3, a second sealing ring 7, a guide sleeve 8, a gland 4 and a sealing plug 9, wherein the second sealing ring 7 is sleeved on the outer wall of the rear end of the main body shell 1, the rear cover 3 is installed at the end part of the main body shell 1 and is in sealing contact with the second sealing ring 7, the guide sleeve 8 is arranged at the central position of the rear cover 3, the sealing plug 9 is arranged in the guide sleeve 8, a through hole for a wire harness to pass through is formed in the sealing plug 9, the gland 4 is buckled at the end part of the guide sleeve 8, the sealing plug 9 is propped against the inner edge of the inner side edge, and the wire harness penetrates out of the gland 4.

In this embodiment, the outer diameter of the first seal ring 6 is larger than the outer diameter of the annular flange.

In this embodiment, an annular protrusion is arranged on the outer wall of the rear end of the main body casing 1, the second sealing ring 7 is sleeved on the outer wall of the rear end of the main body casing 1, and one side of the second sealing ring is in contact with the annular protrusion.

In this embodiment, the inner diameter of the via hole is smaller than the outer diameter of the wire harness, and the inner wall of the via hole is in close contact with the outer surface of the wire harness.

In the present embodiment, the flip cover 2 is rotatably connected to the front end of the main body housing 1 through a return rotation member.

In this embodiment, the rotation piece that resets includes torsional spring and minor axis, and the torsional spring is installed on the minor axis, and the minor axis rotates to be installed flip 2 is last, and the minor axis and main body cover 1's front end normal running fit, and the torsional spring cover is on the minor axis, and one end is connected with flip 2, and the other end is connected with main body cover 1's front end.

In the utility model, the first seal is formed by the first seal ring 6, the cover plate 5 and the flip cover 2, when the utility model does not need to butt the plug of the trailer, the flip cover 2 covers the front end of the main body shell 1 to form the first seal for sealing, thereby preventing dust or water from entering the main body shell 1 from the front end of the main body shell; a second sealing ring 7 is arranged between the rear cover 3 and the main body shell 1 to form a second seal, so that dust and/or water are prevented from entering the main body shell from a gap between the rear cover and the main body shell; the sealing plug 9 and the gland 4 form a third seal to prevent dust or water from entering the main body casing from the front end of the main body casing, and the wiring harness passes through the through hole on the sealing plug 9 and is in close contact with the inner wall of the through hole, so that the dust and the water can also be prevented from entering the main body casing.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A power connector for a trailer comprises a main body shell (1) internally provided with a rubber core main body (10), and is characterized in that the front end of the main body shell (1) is provided with a flip sealing component, and the rear end of the main body shell (1) is provided with a rear cover sealing component for a wiring harness to pass through;

the flip cover sealing assembly comprises a flip cover (2), a cover plate (5) and a first sealing ring (6), wherein an annular flange protruding outwards is arranged at the edge of the cover plate (5), the first sealing ring (6) is tightly sleeved on the cover plate (5), one side of the first sealing ring is in contact with the end face of the annular flange, the cover plate (5) is detachably mounted on the inner side of the flip cover (2), the other side of the first sealing ring (6) is in contact with the inner wall of the flip cover (2), and the flip cover (2) is hinged to the front end of the main body shell (1);

the rear cover sealing assembly comprises a rear cover (3), a second sealing ring (7), a guide sleeve (8), a gland (4) and a sealing plug (9), wherein the second sealing ring (7) is sleeved on the outer wall of the rear end of the main body shell (1), the rear cover (3) is installed at the end part of the main body shell (1) and is in sealing contact with the second sealing ring (7), the guide sleeve (8) is arranged at the central position of the rear cover (3), the sealing plug (9) is arranged in the guide sleeve (8), a through hole for a wire harness to pass through is formed in the sealing plug (9), the gland (4) is buckled at the end part of the guide sleeve (8), the sealing plug (9) is jacked by the inner edge of the inner side, and the wire harness penetrates out of the gland (4).

2. A trailer power connector as claimed in claim 1, wherein the outer diameter of the first sealing ring (6) is greater than the outer diameter of the annular flange.

3. The trailer power connector of claim 1, wherein the inner diameter of the via is smaller than the outer diameter of the wiring harness, and the inner wall of the via is in intimate contact with the outer surface of the wiring harness.

4. A trailer power connector as claimed in claim 1, wherein the flip cover is pivotally connected to the front end of the main housing (1) by a return pivot member.

5. The power connector of trailer as claimed in claim 4, wherein the return rotating member comprises a torsion spring and a stub shaft, the torsion spring is mounted on the stub shaft, the stub shaft is rotatably mounted on the flip (2) and is rotatably engaged with the front end of the main housing (1), the torsion spring is sleeved on the stub shaft, and one end of the torsion spring is connected with the flip (2) and the other end of the torsion spring is connected with the front end of the main housing (1).