Waterproof vehicle-mounted connector

Abstract

The utility model discloses a waterproof vehicle-mounted connector. The waterproof vehicle-mounted connector comprises an insulating body, a power supply terminal, a signal terminal and a waterproof piece, the front end face of the insulating body is provided with an insertion part, and the insertion part is provided with an insertion cavity with a forward opening. The power supply terminal is embedded in the insertion cavity; the signal terminal is embedded in the insertion cavity. The first waterproof groove is formed in the peripheral side face of the plugging part, the first waterproof ring is arranged in the first waterproof groove, the first waterproof ring provides waterproof performance for the plugging end of the connector, external moisture is prevented from entering the plugging cavity, and the waterproof part is formed in the third waterproof groove in a glue pouring mode in cooperation with the waterproof part. The waterproof part wraps the periphery of the local power supply crimping part and the periphery of the local signal crimping part, when external moisture enters the insertion cavity, the waterproof part effectively prevents the external moisture from entering the interior of equipment to which the connector belongs, and a second waterproof ring is arranged in the second waterproof groove, so that the waterproof performance can be further improved.

Description

Technical Field

[0001] The utility model relates to the technology of connector field, in particular to a waterproof vehicle-mounted connector. Background Art

[0002] Connectors are crucial for data and power exchange, and their waterproof performance directly impacts product functionality and lifespan. With the rapid development of modern society and the continuous advancement of technology, people are increasingly concerned about the safety of various electronic products, and demanding higher quality and functionality from these products. As the medium for data and power exchange between devices, between devices and machines, and between machines, connectors are of undeniable importance. Waterproofing requirements for electronic products have become a fundamental quality factor for an increasing number of them, especially for connectors that carry wired data and power transmission. The quality of their waterproofing directly impacts product functionality and lifespan. Furthermore, as the application environments of various electronic products become increasingly diverse and complex, connectors with robust waterproofing capabilities are finding application worldwide in various fields, such as security, communications, industry, aerospace, navigation, and military. Therefore, advancements in waterproofing technology will provide more reliable protection for equipment and machinery, ensuring safer use of these devices and machinery.

[0003] Currently, most connectors on the market are waterproofed by using waterproof rings, but this generally only provides waterproofing at the plug end of the connector. When external moisture enters the connector, it can flow unimpeded from the inside of the connector into the device to which it belongs, causing damage to the device. Therefore, it is necessary to improve existing waterproof connectors. Utility Model Content

[0004] In view of this, the present invention addresses the deficiencies in the prior art, and its main purpose is to provide a waterproof vehicle-mounted connector, which can effectively solve the problem that the existing waterproof connector only provides waterproof performance for the plug-in end of the connector, and once external moisture enters the interior of the connector, it cannot prevent external moisture from entering the interior of the device to which the connector belongs.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A waterproof vehicle-mounted connector includes an insulating body, a power terminal, a signal terminal, and a waterproof component;

[0007] The front end surface of the insulating body has a plug-in portion, the plug-in portion has an insertion cavity with a forward opening, the bottom surface of the insertion cavity has a power supply storage cavity and a signal storage cavity, and the peripheral side surface of the plug-in portion has a first waterproof groove, the first waterproof groove is provided with a first waterproof ring, and the rear end surface of the insulating body has a second waterproof groove and a third waterproof groove, the second waterproof groove surrounds the peripheral side of the third waterproof groove, and the second waterproof groove is provided with a second waterproof ring;

[0008] The power terminal is embedded in the insertion cavity and includes a power contact portion, a power main portion, and a power crimping portion that are integrally formed and connected in sequence from front to back. The power contact portion is located in the insertion cavity, the power main portion is located in the power receiving cavity, and the power crimping portion extends rearward from the power receiving cavity to the outside of the third waterproof groove;

[0009] The signal terminal is embedded in the insertion cavity and includes a signal contact portion, a signal main portion, and a signal crimping portion that are integrally formed and connected in sequence from front to back. The signal contact portion is located in the insertion cavity, the signal main portion is located in the signal receiving cavity, and the signal crimping portion extends rearward from the signal receiving cavity to the outside of the third waterproof groove;

[0010] The waterproof component is formed in the third waterproof groove by glue injection, and the waterproof component wraps the periphery of the local power supply crimping portion and the periphery of the local signal crimping portion.

[0011] As a preferred solution, a third waterproof ring is provided on the power main body, and the third waterproof ring is in close contact with the inner wall surface of the power storage cavity. The signal main body is provided with a fourth waterproof ring, and the fourth waterproof ring is in close contact with the inner wall surface of the signal storage cavity.

[0012] As a preferred solution, a first protrusion is provided in the power supply receiving cavity, and a first stop ring is provided on the power supply contact portion, and the first stop ring is limitedly matched with the first protrusion; a second protrusion is provided in the signal receiving cavity, and a second stop ring is provided on the signal contact portion, and the second stop ring is limitedly matched with the second protrusion.

[0013] As a preferred solution, the first stop ring and the second stop ring are both C-type stop rings.

[0014] As a preferred solution, a plurality of avoidance holes are provided on the front end surface of the insulating body.

[0015] As a preferred solution, a partition extends rearward from the top surface of the third waterproof groove, and the partition is located between the power supply crimping portion and the signal crimping portion.

[0016] As a preferred solution, the first waterproof ring is a wave-patterned waterproof ring, and the second waterproof ring is an H-shaped waterproof ring.

[0017] As a preferred solution, an anti-fouling portion extends from the insertion cavity.

[0018] As a preferred solution, a baffle extends from the insertion cavity, and the aforementioned fool-proof portion extends from the peripheral side surface of the baffle.

[0019] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0020] A first waterproof groove is opened on the peripheral side surface of the plug-in part, and a first waterproof ring is arranged in the first waterproof groove. The first waterproof ring provides waterproof performance for the plug-in end of the connector to prevent external moisture from entering the insertion cavity. The waterproof component is then formed in the third waterproof groove by glue filling. The waterproof component wraps the periphery of the local power supply crimping part and the periphery of the local signal crimping part. When external moisture enters the insertion cavity, the waterproof component effectively prevents external moisture from entering the interior of the device to which the connector belongs, and a second waterproof ring is arranged in the second waterproof groove to further improve the waterproof performance.

[0021] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic assembly perspective view of the first preferred embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the assembly of the first preferred embodiment of the utility model from another angle

[0024] Figure 3 This is an exploded view of the first preferred embodiment of the present utility model;

[0025] Figure 4 This is an exploded view from another angle of the first preferred embodiment of the present utility model;

[0026] Figure 5 It is a cross-sectional view of the first preferred embodiment of the present utility model;

[0027] Figure 6 This is an exploded view of the power terminal in the first preferred embodiment of the present utility model;

[0028] Figure 7 This is an exploded view of the signal terminal in the first preferred embodiment of the present utility model;

[0029] Figure 8 It is a schematic assembly perspective view of the second preferred embodiment of the present invention.

[0030] Description of the accompanying drawings:

[0031] 10. Insulation body 11. Connector

[0032] 12. Insertion cavity 13. First waterproof groove

[0033] 14. Second waterproof groove 15. Third waterproof groove

[0034] 16. Avoidance hole 17. Partition

[0035] 18. Anti-fouling part 19. Baffle

[0036] 20. Power terminal 21. Power contact part

[0037] 22. Power supply main body 23. Power supply crimping part

[0038] 24. Third waterproof ring 25. First stop ring

[0039] 30. Signal terminal 31. Signal contact part

[0040] 32. Signal main body 33. Signal crimping part

[0041] 34. Fourth waterproof ring 35. Second stop ring

[0042] 40. Waterproof part 50. First waterproof ring

[0043] 60. The second waterproof ring. DETAILED DESCRIPTION

[0044] Please refer to Figures 1 to 7 , which shows the specific structure of a preferred embodiment of the present invention, including an insulating body 10 , a power terminal 20 , a signal terminal 30 and a waterproof member 40 .

[0045] The front end surface of the insulating body 10 is provided with a plug-in portion 11, and an insertion cavity 12 with an opening facing forward is provided on the plug-in portion 11. The bottom surface of the insertion cavity 12 is provided with a power storage cavity 121 and a signal storage cavity 122. A first waterproof groove 13 is provided on the peripheral side surface of the plug-in portion 11, and a first waterproof ring 50 is provided in the first waterproof groove 13. A second waterproof groove 14 and a third waterproof groove 15 are provided on the rear end surface of the insulating body 10. The second waterproof groove 14 surrounds the peripheral side of the third waterproof groove 15, and a second waterproof ring 60 is provided in the second waterproof groove 14. In this embodiment, the electrical A first protrusion 1211 is provided in the source receiving cavity 121, and a second protrusion 1221 is provided in the signal receiving cavity 122; a plurality of avoidance holes 16 are provided on the front end surface of the insulating body 10; in addition, a partition 17 is extended backward from the top surface of the third waterproof groove 13, and the partition 17 is located between the power crimping part 23 and the signal crimping part 33. This design can increase the creepage distance and improve the voltage resistance performance of the connector during use; and the first waterproof ring 50 is a wavy waterproof ring, and the second waterproof ring 60 is an H-shaped waterproof ring; an anti-fouling part 18 extends from the insertion cavity 12.

[0046] The power terminal 20 is embedded in the insertion cavity 12 and comprises a power contact portion 21, a power main portion 22, and a power crimping portion 23, which are integrally formed and connected from front to back. The power contact portion 21 is located within the insertion cavity 12, the power main portion 22 is located within the power receiving cavity 121, and the power crimping portion 23 extends rearward from the power receiving cavity 121 to the exterior of the third waterproof groove 15. In this embodiment, a third waterproof ring 24 is sleeved on the power main portion 22, which is in close contact with the inner wall of the power receiving cavity 121. A first retaining ring 25 is sleeved on the power contact portion 21 and engages with the first protrusion 1211 to limit the position. The first retaining ring 25 is a C-shaped retaining ring.

[0047] The signal terminal 30 is embedded in the insertion cavity 12. The signal terminal 30 includes a signal contact portion 31, a signal main portion 32 and a signal crimping portion 33 which are integrally formed and connected in sequence from front to back. The signal contact portion 31 is located in the insertion cavity 12, and the signal main portion 32 is located in the signal receiving cavity 122. The signal crimping portion 33 extends backward from the signal receiving cavity 122 to the outside of the third waterproof groove 15; in this embodiment, a fourth waterproof ring 34 is sleeved on the signal main portion 32, and the fourth waterproof ring 34 is in close contact with the inner wall surface of the signal receiving cavity 122; a second stop ring 35 is sleeved on the signal contact portion 31, and the second stop ring 35 is limitedly engaged with the second protrusion 1221, and the second stop ring 35 is a C-type stop ring.

[0048] The waterproof member 40 is formed in the third waterproof groove 15 by glue injection, and the waterproof member 40 wraps the periphery of the local power crimping portion 23 and the periphery of the local signal crimping portion 33 .

[0049] Please refer to Figure 8 As shown, it shows the specific structure of the second preferred embodiment of the utility model. The specific structure of this embodiment is basically the same as the specific structure of the first preferred embodiment mentioned above, except that:

[0050] In this embodiment, a baffle 19 extends from the insertion cavity 12 , and the fool-proof portion 18 extends from a peripheral side surface of the baffle 19 .

[0051] The design focus of the present utility model is: by opening a first waterproof groove on the peripheral side surface of the plug-in part, a first waterproof ring is arranged in the first waterproof groove, the first waterproof ring provides waterproof performance for the plug-in end of the connector to prevent external moisture from entering the insertion cavity, and then cooperates with the waterproof part to be molded in the third waterproof groove by glue filling. The waterproof part wraps the periphery of the local power supply crimping part and the periphery of the local signal crimping part. When external moisture enters the insertion cavity, the waterproof part effectively prevents external moisture from entering the interior of the device to which the connector belongs, and a second waterproof ring is arranged in the second waterproof groove, which can further improve the waterproof performance.

[0052] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A waterproof vehicle-mounted connector, characterized in that: It includes an insulating body, power terminals, signal terminals and waterproof parts; The front end surface of the insulating body has a plug-in portion, the plug-in portion has an insertion cavity with a forward opening, the bottom surface of the insertion cavity has a power supply storage cavity and a signal storage cavity, and the peripheral side surface of the plug-in portion has a first waterproof groove, the first waterproof groove is provided with a first waterproof ring, and the rear end surface of the insulating body has a second waterproof groove and a third waterproof groove, the second waterproof groove surrounds the peripheral side of the third waterproof groove, and the second waterproof groove is provided with a second waterproof ring; The power terminal is embedded in the insertion cavity and includes a power contact portion, a power main portion, and a power crimping portion that are integrally formed and connected in sequence from front to back. The power contact portion is located in the insertion cavity, the power main portion is located in the power receiving cavity, and the power crimping portion extends rearward from the power receiving cavity to the outside of the third waterproof groove; The signal terminal is embedded in the insertion cavity and includes a signal contact portion, a signal main portion, and a signal crimping portion that are integrally formed and connected in sequence from front to back. The signal contact portion is located in the insertion cavity, the signal main portion is located in the signal receiving cavity, and the signal crimping portion extends rearward from the signal receiving cavity to the outside of the third waterproof groove; The waterproof component is formed in the third waterproof groove by glue injection, and the waterproof component wraps the periphery of the local power supply crimping portion and the periphery of the local signal crimping portion.

2. The waterproof vehicle-mounted connector according to claim 1, characterized in that: The power main body is covered with a third waterproof ring, which is in close contact with the inner wall surface of the power storage cavity. The signal main body is covered with a fourth waterproof ring, which is in close contact with the inner wall surface of the signal storage cavity.

3. The waterproof vehicle-mounted connector according to claim 1, wherein: A first protrusion is provided in the power supply receiving cavity, and a first stop ring is provided on the power supply contact portion, and the first stop ring is limitedly matched with the first protrusion; a second protrusion is provided in the signal receiving cavity, and a second stop ring is provided on the signal contact portion, and the second stop ring is limitedly matched with the second protrusion.

4. The waterproof vehicle-mounted connector according to claim 3, characterized in that: The first stop ring and the second stop ring are both C-shaped stop rings.

5. The waterproof vehicle-mounted connector according to claim 1, characterized in that: A plurality of avoidance holes are formed on the front end surface of the insulating body.

6. The waterproof vehicle-mounted connector according to claim 1, characterized in that: A partition extends rearward from the top surface of the third waterproof groove, and the partition is located between the power supply crimping portion and the signal crimping portion.

7. The waterproof vehicle-mounted connector according to claim 1, characterized in that: The first waterproof ring is a wave-patterned waterproof ring, and the second waterproof ring is an H-shaped waterproof ring.

8. The waterproof vehicle-mounted connector according to claim 1, characterized in that: An anti-fouling portion extends from the insertion cavity.

9. The waterproof vehicle-mounted connector according to claim 8, characterized in that: A baffle extends from the insertion cavity, and the fool-proof portion extends from the peripheral side surface of the baffle.

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