Waterproof battery connector

Abstract

The utility model discloses a waterproof battery connector. The waterproof battery connector comprises an insulating body, a power supply terminal, a signal terminal, a first waterproof ring and a waterproof piece, the front end face of the insulating body is provided with a slot position, the bottom surface of the slot position extends to form a plugging part, and the plugging part is provided with a power supply plugging cavity and a signal plugging cavity; the power supply terminal is embedded in the power supply plugging cavity; and the signal terminal is embedded in the signal plugging cavity. A groove position is formed in the front end face of an insulation body, a waterproof groove is formed in the rear end face of the insulation body, a first waterproof ring is embedded in an annular groove in a matched mode, a waterproof piece is formed in the waterproof groove in a glue pouring mode, and the waterproof piece wraps the periphery of a local power source crimping part and the periphery of a local signal crimping part. The first waterproof ring provides waterproof performance for the plugging end of the connector, external moisture is prevented from entering the power supply plugging cavity and the signal plugging cavity, and when the external moisture enters the power supply plugging cavity or the signal plugging cavity, the waterproof piece effectively prevents the external moisture from entering the interior of equipment to which the connector belongs.

Description

Technical Field

[0001] The utility model relates to the technology of connector field, in particular to a waterproof battery 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 battery connector that 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] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A waterproof battery connector includes an insulating body, a power terminal, a signal terminal, a first waterproof ring, and a waterproof member;

[0007] The front end surface of the insulating body is provided with a slot and an annular groove, the bottom end surface of the slot extends forward with a plug portion, the plug portion is provided with a power plug cavity and a signal plug cavity, and the rear end surface of the insulating body is provided with a waterproof groove, the waterproof groove is communicated with the power plug cavity and the signal plug cavity;

[0008] The power terminal is embedded in the power plug 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 and the power main portion are both located in the power plug cavity, and the power crimping portion extends rearward from the power plug cavity to the outside of the waterproof groove;

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

[0010] The first waterproof ring is embedded in the annular groove; the waterproof component is formed in the waterproof groove by glue injection, and the waterproof component wraps the periphery of the local power supply crimping part and the periphery of the local signal crimping part.

[0011] As a preferred solution, the top surface of the waterproof groove is provided with a first boss and a second boss, the first boss is provided with a first empty slot, and the power crimping portion extends backward from the top surface of the first empty slot to the outside of the waterproof groove; the second boss is provided with a second empty slot, and the signal crimping portion extends backward from the top surface of the second empty slot to the outside of the waterproof groove. This design can increase the creepage distance and improve the voltage resistance performance of the connector during use.

[0012] As a preferred solution, a second waterproof ring is provided on the power main body, and the second waterproof ring is in close contact with the inner wall surface of the power plug cavity. A third waterproof ring is provided on the signal main body, and the third waterproof ring is in close contact with the inner wall surface of the signal plug cavity, thereby further increasing the waterproof performance of the connector.

[0013] As a preferred solution, a first protrusion is provided in the power plug cavity, a first retaining ring is provided on the power contact portion, a first retaining ring has a first retaining portion, and the first retaining portion is limitedly engaged with the first protrusion; a second protrusion is provided in the signal plug cavity, a second retaining ring is provided on the signal contact portion, a second retaining ring has a second retaining portion, and the second retaining portion is limitedly engaged with the second protrusion, so that the assembly of the terminal and the plug cavity is more firm and reliable.

[0014] As a preferred solution, the power contact portion defines a power contact cavity, in which a first crown spring is disposed, the first crown spring contacts the inner wall of the power contact cavity; the signal contact portion defines a signal contact cavity, in which a second crown spring is disposed, the second crown spring contacts the inner wall of the signal contact cavity. This design makes the contact between the terminals of the external connector and the terminals of the present connector more stable and reliable, and provides more contact points, which is more conducive to the passage of current.

[0015] As a preferred solution, a fixing hole is provided on the front end face of the insulating body, in which a threaded part is embedded. The threaded part has a screw hole. The design of the screw hole allows the connector to be locked with an external mechanism by a screw and is not easy to loosen. By arranging a threaded part in the fixing hole, the connector can be disassembled multiple times. If no threaded part is arranged in the fixing hole, the plastic will be damaged after several times of disassembly of the screw.

[0016] As a preferred solution, the cross-section of the first waterproof ring is H-shaped.

[0017] As a preferred solution, an anti-mistakable groove is provided on the plug-in portion to prevent the two connectors from being plugged in incorrectly.

[0018] As a preferred solution, the plug-in part includes a first plug-in insulating body and a second plug-in insulating body, and the first plug-in insulating body and the second plug-in insulating body are both arranged in the slot, the aforementioned power plug-in cavity is opened on the first plug-in insulating body, and the aforementioned signal plug-in cavity is opened on the second plug-in insulating body, and the second plug-in insulating body is provided with the aforementioned anti-misalignment groove.

[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] By opening a groove on the front end face of the insulating body and a waterproof groove on the rear end face of the insulating body, and then embedding the first waterproof ring in the annular groove, and the waterproof part is formed in the waterproof groove by glue pouring, the waterproof part wraps the periphery of the local power crimping part and the periphery of the local signal crimping part. The first waterproof ring provides waterproof performance for the plug-in end of the connector to prevent external moisture from entering the power plug cavity and the signal plug cavity. When external moisture enters the power plug cavity or the signal plug cavity, the waterproof part effectively prevents external moisture from entering the interior of the device to which the connector belongs.

[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 a partial assembly diagram of the first preferred embodiment of the present utility model;

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

[0029] Figure 8 This is an exploded view of the signal terminal in the first preferred embodiment of the present utility model;

[0030] Figure 9 It is a schematic assembly perspective view of the second preferred embodiment of the present invention.

[0031] Description of the accompanying drawings:

[0032] 10. Insulation body 11. Slot

[0033] 12. Annular groove 13. Connecting part

[0034] 131, power plug cavity 132, signal plug cavity

[0035] 133. First convex part 134, second convex part

[0036] 135, anti-fouling groove 136, first plug-in insulating body

[0037] 137, second plug-in insulating body 14, waterproof groove

[0038] 141, first boss 142, second boss

[0039] 143, first empty slot 144, second empty slot

[0040] 15. Fixing hole 151, threaded part

[0041] 152, screw hole 20, power terminal

[0042] 201, power supply contact portion 202, power supply main body

[0043] 203, power supply crimping portion 21, second waterproof ring

[0044] 22. First stop ring 221. First stop portion

[0045] 23. Power contact cavity 24. First crown spring

[0046] 30. Signal terminal 301, signal contact part

[0047] 302, signal main body 303, signal crimping part

[0048] 31. Third waterproof ring 32. Second stop ring

[0049] 321. Second stop portion 33. Signal contact cavity

[0050] 34. Second crown spring 40. First waterproof ring

[0051] 50. Waterproof parts. DETAILED DESCRIPTION

[0052] Please refer to Figures 1 to 8 , which shows the specific structure of the first preferred embodiment of the present invention, including an insulating body 10 , a power terminal 20 , a signal terminal 30 , a first waterproof ring 40 and a waterproof member 50 .

[0053] The front end surface of the insulating body 10 is provided with a slot 11 and an annular slot 12, and a plug-in portion 13 is extended forward from the bottom end surface of the slot 11. The plug-in portion 13 is provided with a power plug-in cavity 131 and a signal plug-in cavity 132, and a waterproof slot 14 is provided on the rear end surface of the insulating body 10. The waterproof slot 14 is connected to the power plug-in cavity 131 and the signal plug-in cavity 132; in this embodiment, a first protrusion 133 is provided in the power plug-in cavity 131, and a second protrusion 134 is provided in the signal plug-in cavity 132; in addition, the front end surface of the insulating body 10 is provided with a fixing hole 15, and a screw member 151 is embedded in the fixing hole 15 The threaded member 151 has a screw hole 152. The design of the screw hole 152 allows the connector to be locked with an external mechanism through a screw and is not easy to loosen. By arranging the threaded member 151 in the fixing hole 15, it can be disassembled multiple times. If the threaded member 151 is not arranged in the fixing hole 15, the plastic will be damaged after several screw disassemblies. In addition, an anti-mock groove 135 is provided on the plug-in portion 13 to prevent the two connectors from being inserted incorrectly. The top surface of the waterproof groove 14 is convexly provided with a first boss 141 and a second boss 142. The first boss 141 has a first empty groove 143; the second boss 142 has a second empty groove 144.

[0054] The power terminal 20 is embedded in the power plug cavity 131. The power terminal 20 includes a power contact portion 201, a power main body 202 and a power crimping portion 203 which are integrally connected from front to back. The power contact portion 201 and the power main body 202 are both located in the power plug cavity 131. The power crimping portion 203 extends backward from the power plug cavity 131 to the outside of the waterproof groove 14. In this embodiment, a second waterproof ring 21 is provided on the power main body 202. The second waterproof ring 21 is in close contact with the inner wall surface of the power plug cavity 131, further increasing the waterproof performance of the connector. In addition, a first retaining ring 22 is provided on the power contact portion 201. The first retaining ring 2 2 has a first stop 221, which cooperates with the first protrusion 133 to limit the assembly of the terminal and the plug cavity. In addition, the power contact portion 201 defines a power contact cavity 23, and a first crown spring member 24 is disposed within the power contact cavity 23. The first crown spring member 24 contacts the inner wall of the power contact cavity 23. This design makes the contact between the terminals of the external connector and the terminals of the present connector more stable and reliable, and has more contact points, which is more conducive to the passage of current. The aforementioned power crimping portion 203 extends backward from the top surface of the first empty groove 143 to the outside of the waterproof groove 14. This design can increase the creepage distance and improve the voltage resistance performance of the connector during use.

[0055] The signal terminal 30 is embedded in the signal plug-in cavity 132. The signal terminal 20 includes a signal contact portion 301, a signal main portion 302 and a signal crimping portion 303 which are integrally formed and connected in sequence from front to back. The signal contact portion 301 and the signal main portion 302 are both located in the signal plug-in cavity 303. The signal crimping portion 303 extends backward from the signal plug-in cavity 132 to the outside of the waterproof groove 14. In this embodiment, a third waterproof ring 31 is sleeved on the signal main portion 302. The third waterproof ring 31 is in close contact with the inner wall surface of the signal plug-in cavity 132, further increasing the waterproof performance of the connector. In addition, a second retaining ring 32 is sleeved on the signal contact portion 301. The second retaining ring 3 2 has a second stop 321, which cooperates with the second protrusion 134 to ensure a more secure and reliable assembly between the terminal and the plug-in cavity. In addition, the signal contact portion 301 defines a signal contact cavity 33, which contains a second crown spring 34. The second crown spring 34 contacts the inner wall of the signal contact cavity 33. This design ensures more stable and reliable contact between the terminals of the external connector and the terminals of the present connector, and provides more contact points, which is more conducive to the passage of current. The aforementioned signal crimping portion 303 extends backward from the top surface of the second empty groove 144 to the outside of the waterproof groove 14. This design can increase the creepage distance and improve the voltage resistance performance of the connector during use.

[0056] The first waterproof ring 40 is embedded in the annular groove 12 . In this embodiment, the cross section of the first waterproof ring 40 is H-shaped.

[0057] The waterproof member 50 is formed in the waterproof groove 14 by glue injection, and the waterproof member 50 wraps the periphery of the local power supply crimping portion 203 and the periphery of the local signal crimping portion 303 .

[0058] Please refer to Figure 9 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:

[0059] In this embodiment, the plug-in portion 13 includes a first plug-in insulating body 136 and a second plug-in insulating body 137. The first plug-in insulating body 136 and the second plug-in insulating body 137 are both arranged in the slot 11. The aforementioned power plug-in cavity 131 is opened on the first plug-in insulating body 136, and the aforementioned signal plug-in cavity 132 is opened on the second plug-in insulating body 137, and the second plug-in insulating body 137 is provided with the aforementioned anti-mock groove 135.

[0060] The design focus of the present utility model is: by opening a groove on the front end face of the insulating body and a waterproof groove on the rear end face of the insulating body, and then embedding a first waterproof ring in the annular groove, and the waterproof part is formed in the waterproof groove by glue filling, the waterproof part wraps the periphery of the local power crimping part and the periphery of the local signal crimping part, the first waterproof ring provides waterproof performance for the plug-in end of the connector, preventing external moisture from entering the power plug cavity and the signal plug cavity. When external moisture enters the power plug cavity or the signal plug cavity, the waterproof part effectively prevents external moisture from entering the interior of the device to which the connector belongs.

[0061] 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 battery connector, characterized in that: It includes an insulating body, a power terminal, a signal terminal, a first waterproof ring and a waterproof part; The front end surface of the insulating body is provided with a slot and an annular groove, the bottom end surface of the slot extends forward with a plug portion, the plug portion is provided with a power plug cavity and a signal plug cavity, and the rear end surface of the insulating body is provided with a waterproof groove, the waterproof groove is communicated with the power plug cavity and the signal plug cavity; The power terminal is embedded in the power plug 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 and the power main portion are both located in the power plug cavity, and the power crimping portion extends rearward from the power plug cavity to the outside of the waterproof groove; The signal terminal is embedded in the signal plug-in cavity and includes a signal contact portion, a signal main portion, and a signal crimping portion which are integrally formed and connected in sequence from front to back. The signal contact portion and the signal main portion are both located in the signal plug-in cavity, and the signal crimping portion extends rearward from the signal plug-in cavity to the outside of the waterproof groove; The first waterproof ring is embedded in the annular groove; the waterproof component is formed in the waterproof groove by glue injection, and the waterproof component wraps the periphery of the local power supply crimping part and the periphery of the local signal crimping part.

2. The waterproof battery connector according to claim 1, wherein: The top surface of the waterproof groove is provided with a first boss and a second boss, the first boss is provided with a first empty slot, and the power supply crimping portion extends backward from the top surface of the first empty slot to the outside of the waterproof groove; the second boss is provided with a second empty slot, and the signal crimping portion extends backward from the top surface of the second empty slot to the outside of the waterproof groove.

3. The waterproof battery connector according to claim 1, wherein: The power main body is provided with a second waterproof ring, which is in close contact with the inner wall surface of the power plug cavity. The signal main body is provided with a third waterproof ring, which is in close contact with the inner wall surface of the signal plug cavity.

4. The waterproof battery connector according to claim 1, wherein: A first protrusion is provided in the power plug cavity, and a first stop ring is provided on the power contact portion, and a first stop ring has a first stop portion, and the first stop portion is limitedly engaged with the first protrusion; a second protrusion is provided in the signal plug cavity, and a second stop ring is provided on the signal contact portion, and a second stop ring has a second stop portion, and the second stop portion is limitedly engaged with the second protrusion.

5. The waterproof battery connector according to claim 1, wherein: The power contact portion defines a power contact cavity, in which a first crown spring is disposed. The first crown spring contacts the inner wall of the power contact cavity. The signal contact portion defines a signal contact cavity. A second crown spring is disposed in the signal contact cavity. The second crown spring contacts the inner wall of the signal contact cavity.

6. The waterproof battery connector according to claim 1, wherein: A fixing hole is formed on the front end surface of the insulating body. A threaded piece is embedded in the fixing hole. The threaded piece has a screw hole.

7. The waterproof battery connector according to claim 1, wherein: The cross section of the first waterproof ring is H-shaped.

8. The waterproof battery connector according to claim 1, wherein: An anti-mistake groove is provided on the plug-in portion.

9. The waterproof battery connector according to claim 8, characterized in that: The plug-in portion includes a first plug-in insulating body and a second plug-in insulating body, both of which are arranged in a slot. The aforementioned power plug-in cavity is opened on the first plug-in insulating body, and the aforementioned signal plug-in cavity is opened on the second plug-in insulating body, and the second plug-in insulating body is provided with the aforementioned anti-mock groove.

Images