Self-oil-seepage waterproof plug for high-voltage wiring harness

Abstract

The utility model relates to a self-oil-seepage waterproof plug for a high-voltage wiring harness. The technical problem to be solved by the utility model is to provide the self-oil-seepage waterproof plug for the high-voltage wiring harness. According to the technical scheme, the waterproof plug comprises a waterproof plug body, an oil seepage plug and an end sealing plug, the waterproof plug body comprises a waterproof plug head part, a waterproof plug oil storage part, a waterproof plug first compression part, a waterproof plug second compression part, a waterproof plug bearing part and a waterproof plug fixing part, and an oil seepage cavity is formed in the waterproof plug first compression part; oil seepage holes are formed in the outer portion of the first compression portion of the waterproof plug around the arc at intervals, an oil storage cavity is formed in the oil storage portion of the waterproof plug, the bottom of the oil storage cavity is communicated with the oil seepage cavity through a middle connecting hole, and the diameter of the middle connecting hole is smaller than that of the sealing hole of the waterproof plug. The waterproof plug has the advantages that the waterproof plug can leak oil automatically, the self-lubricating function of the waterproof plug can be achieved, abrasion and aging of the waterproof plug are effectively slowed down, and the waterproof plug can keep good sealing performance for a long time.

Description

Technical Field

[0001] The utility model relates to a self-oil seepage waterproof plug for a high-voltage wire harness. Background Art

[0002] The automotive connector is used to achieve electrical connection or signal transmission. The circuit connection is achieved by plugging together a combination of a socket sheath and a socket terminal and a combination of a plug sheath and a plug terminal. The high-voltage wire harness waterproof plug is arranged in the automotive wire harness sheath to protect the internal circuit of the automobile from external damage and to achieve waterproof insulation. The existing wire harness waterproof plug has a greatly reduced protective and insulating sealing performance due to frequent wear and aging after long-term use, resulting in the need for frequent replacement and a short service life. In view of this, the existing high-voltage wire harness waterproof plug is improved. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a self-oil seepage waterproof plug for a high-voltage wire harness.

[0004] The technical solution adopted by the utility model of the self-oil-seeping waterproof plug for high-voltage wiring harness is characterized in that it includes a waterproof plug main body, an oil-seeping plug placed in the waterproof plug main body and an end sealing plug arranged at the end of the waterproof plug main body, the waterproof plug main body includes, from front to back, a waterproof plug head portion connected to the end sealing plug, a waterproof plug oil storage portion, a waterproof plug first compression portion, a waterproof plug second compression portion, a waterproof plug receiving portion and a waterproof plug fixing portion, an oil-seeping cavity is arranged in the first compression portion of the waterproof plug, oil-seeping holes are arranged at intervals around a circular arc on the outside of the first compression portion of the waterproof plug, an oil storage cavity is arranged in the oil storage portion of the waterproof plug, the bottom of the oil storage cavity is connected to the oil-seeping cavity through a middle connecting hole, the diameter of the middle connecting hole is smaller than the diameter of the waterproof plug sealing hole, the oil-seeping plug is interference fit with the middle connecting hole, a waterproof plug sealing hole connected to the oil storage cavity is arranged in the waterproof plug head portion, and the end sealing plug is interference fit with the waterproof plug sealing hole.

[0005] An oil seepage plug surround is provided on the outside of the oil seepage plug, and the oil seepage plug surround is placed in the oil seepage cavity. The diameter of the oil seepage plug surround is smaller than the diameter of the sealing hole of the waterproof plug.

[0006] The upper end of the oil storage cavity is provided with a conical transition cavity which is connected with the sealing hole of the waterproof plug.

[0007] The end seal plug includes an end seal plug body connected to the waterproof plug sealing hole, an end seal plug reinforcement edge arranged on the periphery of the middle part of the end seal plug body, and an end seal plug positioning boss arranged at the end of the end seal plug body. The inner wall of the waterproof plug sealing hole is provided with a plug sealing hole limiting groove for limiting the end seal plug reinforcement edge, and the end of the waterproof plug head is provided with a waterproof plug positioning groove corresponding to the end seal plug positioning boss.

[0008] The second compression part of the waterproof plug is a solid structure.

[0009] A waterproof plug threaded hole is provided in the waterproof plug fixing portion.

[0010] An oil seepage plug pressing and positioning hole is provided at the upper end of the oil seepage plug for easy installation.

[0011] The advantages of the high-voltage wire harness self-oil-seeping waterproof plug of the utility model are: the waterproof plug can self-seep oil, can realize the self-lubricating function of the waterproof plug, effectively slow down the wear and aging of the waterproof plug, so that the waterproof plug can maintain good sealing for a long time; the oil-seeping plug can prevent oil from flowing out of the oil-seeping hole too quickly, thereby improving the use efficiency of the oil, and prolonging the service life of the high-voltage wire harness waterproof plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 This is an exploded view of the utility model high-voltage wire harness self-oil seepage waterproof plug;

[0014] Figure 2 It is a structural schematic diagram of the main body of the waterproof plug of the utility model;

[0015] Figure 3 It is a half-section view of the main body of the waterproof plug of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the oil seepage plug of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the end seal of the utility model. DETAILED DESCRIPTION

[0018] like Figure 1-5As shown, the utility model relates to a high-voltage wire harness self-oil seepage waterproof plug, comprising a waterproof plug body 1, an oil seepage plug 2 placed in the waterproof plug body 1 and an end seal 3 arranged at the end of the waterproof plug body 1, the waterproof plug body 1 comprises, from front to back, a waterproof plug head 5 docking with the end seal 3, a waterproof plug oil storage part 6, a waterproof plug first compression part 7, a waterproof plug second compression part 8, a waterproof plug receiving part 9 and a waterproof plug fixing part 10, an oil seepage cavity 12 is arranged in the first compression part 7 of the waterproof plug, oil seepage holes 13 are arranged around the arc intervals on the outside of the first compression part 7 of the waterproof plug, an oil storage cavity 14 is arranged in the oil storage part 6 of the waterproof plug, and the bottom of the oil storage cavity 14 is connected to the oil seepage cavity 12 through a middle connection hole 15, and the middle The diameter of the connecting hole 15 is smaller than the diameter of the waterproof plug sealing hole 17, the oil seepage plug 2 is interference fit with the middle connecting hole 15, the waterproof plug head 5 is provided with a waterproof plug sealing hole 17 connected with the oil storage chamber 14, the end sealing plug 3 is interference fit with the waterproof plug sealing hole 17, the oil seepage plug 2 is made of a highly permeable material, and oil can penetrate through the oil seepage plug 2. The waterproof plug with this structure can self-seep oil to realize the self-lubricating function of the waterproof plug, effectively slow down the wear and aging of the waterproof plug, so that the waterproof plug can maintain good sealing for a long time; the oil seepage plug 2 can prevent the oil from entering the oil seepage chamber 12 from the oil storage chamber 14 too quickly and flowing out from the oil seepage hole 13, thereby improving the use efficiency of the oil, so that the service life of the high-voltage wiring harness waterproof plug is improved.

[0019] The outside of the oil seepage plug 2 is provided with an oil seepage plug edge 20, and the oil seepage plug edge 20 is placed in the oil seepage cavity 12. The diameter of the oil seepage plug edge 20 is smaller than the diameter of the waterproof plug sealing hole 17. Since the waterproof plug body 1 is squeezed when installed in the automobile jacket, the first compression part 7 of the waterproof plug is compressed, and the internal pressure can make the oil seepage plug edge 20 press against the middle connection hole 15, so that the oil can only pass through by the permeability of the oil seepage plug 2, and the overall structure is more stable and reliable.

[0020] The upper end of the oil storage cavity 14 is provided with a conical transition cavity 22 which is connected to the waterproof plug sealing hole 17 .

[0021] The end seal plug 3 includes an end seal plug body 24 docked with the waterproof plug sealing hole 17, an end seal plug reinforcement edge 25 arranged on the outer periphery of the middle part of the end seal plug body 24, and an end seal plug positioning boss 26 arranged at the end of the end seal plug body 24. The inner wall of the waterproof plug sealing hole 17 is provided with a seal hole limiting groove 27 for limiting the end seal plug reinforcement edge 25. The end of the waterproof plug head 5 is provided with a waterproof plug positioning groove 28 corresponding to the end seal plug positioning boss 26. The connection of the end seal plug 3 is firm and reliable, which can effectively prevent the end seal plug 3 from falling off.

[0022] The second compression part 8 of the waterproof plug is a solid structure, and has a good compression and buffering effect.

[0023] The waterproof plug fixing portion 10 is provided with a waterproof plug threaded hole 18 .

[0024] The upper end of the oil seepage plug 2 is provided with an oil seepage plug pressing positioning hole 30 for easy installation.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A self-penetrating oil-proof plug for a high-voltage wiring harness, characterized in that: The invention comprises a waterproof plug body (1), an oil seepage plug (2) disposed in the waterproof plug body (1), and an end sealing plug (3) disposed at the end of the waterproof plug body (1); the waterproof plug body (1) comprises, from front to back, a waterproof plug head (5) docking with the end sealing plug (3), a waterproof plug oil storage part (6), a first compression part (7) of the waterproof plug, a second compression part (8) of the waterproof plug, a waterproof plug receiving part (9), and a waterproof plug fixing part (10); an oil seepage cavity (12) is disposed in the first compression part (7) of the waterproof plug, and the first compression part (7) of the waterproof plug Oil seepage holes (13) are arranged at intervals around a circular arc on the outside, an oil storage cavity (14) is arranged inside the oil storage portion (6) of the waterproof plug, the bottom of the oil storage cavity (14) is connected to the oil seepage cavity (12) through a middle connection hole (15), the diameter of the middle connection hole (15) is smaller than the diameter of the waterproof plug sealing hole (17), the oil seepage plug (2) is interference fit with the middle connection hole (15), a waterproof plug sealing hole (17) connected to the oil storage cavity (14) is arranged inside the waterproof plug head portion (5), and the end sealing plug (3) is interference fit with the waterproof plug sealing hole (17).

2. The high-voltage wire harness self-penetrating oil-proof waterproof plug according to claim 1, characterized in that: An oil seepage plug edge (20) is provided outside the oil seepage plug (2), the oil seepage plug edge (20) is placed in the oil seepage cavity (12), and the diameter of the oil seepage plug edge (20) is smaller than the diameter of the waterproof plug sealing hole (17).

3. The high voltage wire harness self-penetrating oil-proof waterproof plug according to claim 1, characterized in that: The upper end of the oil storage cavity (14) is provided with a tapered transition cavity (22) that is butted against the waterproof plug sealing hole (17).

4. The high-voltage wire harness self-penetrating oil-proof waterproof plug according to claim 1, characterized in that: The end seal plug (3) comprises an end seal plug body (24) connected to the waterproof plug sealing hole (17), an end seal plug reinforcement edge (25) arranged on the periphery of the middle part of the end seal plug body (24), and an end seal plug positioning boss (26) arranged at the end of the end seal plug body (24); the inner wall of the waterproof plug sealing hole (17) is provided with a seal hole limiting groove (27) for limiting the end seal plug reinforcement edge (25); and the end of the waterproof plug head (5) is provided with a waterproof plug positioning groove (28) corresponding to the end seal plug positioning boss (26).

5. The high-voltage wire harness self-oil seepage waterproof plug according to claim 1, characterized in that: The second compression portion (8) of the waterproof plug is a solid structure.

6. The high-voltage wire harness self-penetrating oil-proof waterproof plug according to claim 1, characterized in that: A waterproof plug threaded hole (18) is provided in the waterproof plug fixing portion (10).

7. The high voltage wire harness self-penetrating oil-proof waterproof plug according to claim 1, characterized in that: The upper end of the oil seepage plug (2) is provided with an oil seepage plug pressing and positioning hole (30) for easy installation.

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