Waterproof electrical connectors

Abstract

A waterproof electrical connector includes a plug module, a socket module, and an intermediate sealing ring. The plug module has a plurality of plug sealing rings, and the socket module has a plurality of socket sealing rings. The plug module and the socket module are sealed together by the intermediate sealing rings. The plug module is for connecting to a plurality of wires, and a sealing relationship is formed between the plug module and each wire and the plug module by each plug sealing ring fitting over the respective wire. The socket module is also for connecting to a plurality of wires, and a sealing relationship is formed between the socket module and each wire and the socket module by each socket sealing ring fitting over the respective wire.

Description

Waterproof electrical connectors Technical Field

[0001] This work relates to electrical connectors, specifically a waterproof electrical connector. Prior Technology

[0002] Taiwan's TW M469649 utility model patent discloses a waterproof structure for a power connector. It mainly utilizes an annular groove on the edge of one of the two connectors and an annular ring on the other. When the two are combined, the waterproof effect is achieved by the annular ring being inserted into the annular groove.

[0003] However, since the aforementioned technology does not use a rubber ring, its waterproof performance is affected by the tolerances during component manufacturing, which can compromise its effectiveness. Furthermore, the aforementioned technology does not address the waterproofing issues during wire assembly. Therefore, the waterproof performance of currently known waterproof electrical connectors needs improvement. This is the problem that this invention aims to solve. Summary of the Invention

[0004] The main purpose of this invention is to propose a waterproof electrical connector that provides waterproofing during plug-socket connection and during wire assembly, resulting in an overall waterproof performance superior to previous technologies.

[0005] To achieve the above objectives, this invention proposes a waterproof electrical connector, comprising: a plug module, a socket module, and an intermediate sealing ring. The plug module includes a plug base, a plug seal, a plurality of plug terminals, a plug housing, and a plurality of plug sealing rings. The plug base has a base plate and a plurality of risers extending upward from and through the base plate. The plug seal is disposed on the base plate and passes through the plurality of risers. Each plug terminal has an insertion section and a mounting section, and an outwardly extending shoulder between the insertion section and the mounting section. Each plug terminal is inserted into each riser via the mounting section and abuts against the top of each riser via the shoulder. The housing has an outer peripheral wall and a plurality of receiving grooves. The plug housing is assembled onto the plug socket. The outer peripheral wall is pressed against the plug seal to form a sealing relationship. The insertion section of each plug terminal is inserted into each receiving groove. The plug housing forms a pressing part around the bottom of each receiving groove and presses against the shoulder of each plug terminal. Each plug sealing ring is placed inside each riser and abuts against the bottom end of the mounting section of each plug terminal. The socket module has a socket base, a socket seal, a plurality of socket terminals, a socket housing, and a plurality of socket sealing rings. The socket base has a base plate and a plurality of straight tubes extending upward from and through the base plate. The socket seal is disposed on the base plate. The socket terminal has an open section and a mounting section, and an outwardly extending annular protrusion between the open section and the mounting section. Each socket terminal is inserted into the straight tube via the mounting section and abuts against the top of the straight tube via the annular protrusion. The socket housing has an outer wall and a plurality of slots. The socket housing is assembled to the socket base. The outer wall presses against the socket seal to form a seal. The open section of each socket terminal is inserted into the slot, and the socket housing forms a limiting portion around the bottom of each slot, pressing against the annular protrusion of each socket terminal. Each socket sealing ring is placed inside the straight tube and abuts against the bottom end of the mounting section of each socket terminal. The plug... The module is used to connect to the socket module. During connection, the insertion section of the plurality of plug terminals is inserted into the opening section of the plurality of socket terminals. The outer peripheral wall of the plug module and the outer peripheral wall of the socket module clamp the intermediate sealing ring to form a sealing relationship. The plug module allows a plurality of wires to enter from the bottom end of the plurality of risers and connect to the mounting section of the plurality of plug terminals. Each plug sealing ring is fitted on each wire to form a sealing relationship with each wire and each riser. The socket module also allows a plurality of wires to enter from the bottom end of the plurality of straight pipes and connect to the setting section of the plurality of socket terminals. Each socket sealing ring is fitted on each wire to form a sealing relationship with each wire and each straight pipe.

[0006] Therefore, this invention provides waterproofing during plug and socket connection, as well as waterproofing during wire assembly, resulting in an overall waterproofing performance superior to previous technologies. Simple Explanation of the Diagram

[0007] Figure 1 is a perspective view of a plug module according to a preferred embodiment of the present invention. Figure 2 is a perspective view of a socket module combined with an intermediate sealing ring according to a preferred embodiment of the present invention. Figure 3 is an exploded view of a preferred embodiment of the present invention. Figure 4 is an exploded view of another preferred embodiment of the present invention. Figure 5 is a sectional view along section line 5-5 in Figure 1. Figure 6 is a cross-sectional view along section line 6-6 in Figure 2. Figure 7 is a schematic diagram of the action of a preferred embodiment of the present invention. Implementation

[0008] To illustrate the technical features of this invention in detail, the following preferred embodiments are provided with accompanying drawings:

[0009] As shown in Figures 1 to 6, this invention illustrates a waterproof electrical connector 10 through a preferred embodiment, mainly composed of a plug module 11, a socket module 21, and an intermediate sealing ring 31, wherein:

[0010] The plug module 11 has a plug socket 12, a plug seal 13, a plurality of plug terminals 14, a plug housing 15, and a plurality of plug sealing rings 16.

[0011] The plug socket 12 has a base plate 121 and a plurality of risers 122 extending upward from and through the base plate 121.

[0012] The plug seal 13 is provided on the base plate 121 and allows the plurality of risers 122 to pass through.

[0013] Each plug terminal 14 has an insertion section 141 and a mounting section 142, and an outwardly extending shoulder 143 between the insertion section 141 and the mounting section 142. Each plug terminal 14 is inserted into each riser 122 through the mounting section 142 and abuts against the top of each riser 122 through the shoulder 143.

[0014] The plug housing 15 has an outer peripheral wall 151 and a plurality of receiving grooves 152. The plug housing 15 is assembled to the plug socket 12. The outer peripheral wall 151 is pressed against the plug seal 13 to form a sealing relationship. The insertion section 141 of each plug terminal 14 is inserted into each receiving groove 152. The plug housing 15 forms a pressing part 153 around the bottom of each receiving groove 152 and presses against the shoulder 143 of each plug terminal 14. In this embodiment, the bottom plate 121 of the plug socket 12 is further provided with a bottom wall 123 in an enclosing shape. The bottom plate 121 has a plurality of bottom holes 124. The plug seal 13 has a plurality of protrusions 134 that are inserted into the plurality of bottom holes 124 to form a sealing relationship. The bottom wall 123 has a plurality of latching grooves 125. Each latching groove 125 is located one-to-one above each bottom hole 124. The plug housing 15 has a plurality of hooks 155, and each hook 155 hooks one-to-one with each latching groove 125.

[0015] Each plug sealing ring 16 is placed inside each riser 122 and abuts against the bottom end of the mounting section 142 of each plug terminal 14.

[0016] The socket module 21 has a socket base 22, a socket seal 23, a plurality of socket terminals 24, a socket housing 25, and a plurality of socket sealing rings 26.

[0017] The socket base 22 has a base plate 221 and a plurality of straight tubes 222 extending upward from the base plate 221 and penetrating the base plate 221.

[0018] The socket seal 23 is disposed on the substrate 221 and is through which the plurality of straight tubes 222 pass.

[0019] Each of the socket terminals 24 has an opening section 241 and a setting section 242, and an outwardly extending annular protrusion 243 between the opening section 241 and the setting section 242. Each of the socket terminals 24 is inserted into each of the straight tubes 222 through the setting section 242 and abuts against the top of each of the straight tubes 222 through the annular protrusion 243.

[0020] The socket housing 25 has an outer wall 251 and a plurality of slots 252. The socket housing 25 is assembled to the socket base 22. The outer wall 251 is pressed against the socket seal 23 to form a sealing relationship. The opening section 241 of each socket terminal 24 is inserted into each slot 252. The socket housing 25 forms a limiting part 253 around the bottom of each slot 252 and presses against the annular protrusion 243 of each socket terminal 24. In this embodiment, the base plate 221 of the socket base 22 is further provided with a surrounding wall 223. The base plate 221 has a plurality of base holes 224. The socket seal 23 has a plurality of plugs 234 that are inserted into the plurality of base holes 224 to form a sealing relationship. The surrounding wall 223 has a plurality of grooves 225. Each groove 225 is located one-to-one above each base hole 224. The socket housing 25 has a plurality of inserts 255, and each insert 255 hooks one-to-one into each groove 225.

[0021] Each socket sealing ring 26 is placed inside each straight tube 222 and abuts against the bottom end of the mounting section 242 of each socket terminal 24.

[0022] The plug module 11 is used to connect to the socket module 21. During connection, the insertion section 141 of the plurality of plug terminals 14 is inserted into the opening section 241 of the plurality of socket terminals 24. The outer peripheral wall 151 of the plug module 11 and the outer peripheral wall 251 of the socket module 21 clamp the intermediate sealing ring 31 to form a sealing relationship. In order to make the connection stable, a known snap-fit ​​structure can be selected to snap and fix the plug module 11 and the socket module 21 in actual implementation. In this embodiment, the socket housing 25 is provided with a snap 258, and the plug housing 15 has a pair of snaps 158. The plug housing 15 and the socket housing 25 are fixed together by the detachable fixing relationship of the snap 258 and the pair of snaps 158. Furthermore, the intermediate sealing ring 31 can also be further configured by providing an annular recess 159 on the outer peripheral wall 151 of the plug housing 15 and a surrounding recess 259 on the outer peripheral wall 251 of the socket housing 25. The intermediate sealing ring 31 can be partially disposed in the annular recess 159 or the surrounding recess 259. When the plug module 11 is inserted into the socket module 21, the annular recess 159 faces the surrounding recess 259, and part of the intermediate sealing ring 31 will be located in the surrounding recess 259, while another part will be located in the annular recess 159, thereby forming a sealing effect.

[0023] The plug module 11 allows multiple wires 99 to enter from the bottom of multiple risers 122 and connect to the mounting section 142 of multiple plug terminals 14, and each plug sealing ring 16 is fitted onto each wire 99 to form a sealing relationship with each wire 99 and each riser 122; the socket module 21 also allows multiple wires 99 to enter from the bottom of multiple straight pipes 222 and connect to the setting section 242 of multiple socket terminals 24, and each socket sealing ring 26 is fitted onto each wire 99 to form a sealing relationship with each wire 99 and each straight pipe 222. To better restrain each plug sealing ring 16 and each socket sealing ring 26, a stop 126 can be further provided at the bottom of each riser 122 to block the bottom of each plug sealing ring 16 so that it does not fall out, and a stop 226 can be provided at the bottom of each straight pipe 222 to block the bottom of each socket sealing ring 26 so that it does not fall out.

[0024] The structure of this embodiment has been described above. Next, the usage of this embodiment will be described.

[0025] Figures 5 and 6 show the plug module 11 and socket module 21 in an unconnected state. Figure 7 shows the plug module 11 plugged into the socket module 21. As can be seen in Figure 7, the insertion section 141 of each plug terminal 14 is inserted into the opening section 241 of each socket terminal 24 to form an electrical connection, and the latch 258 also locks the latches 158 to form a fixed relationship. To disassemble, press down the latch 258 to release it from the latches 158, and the plug module 11 can be pulled away from the socket module 21.

[0026] As shown in Figures 5 to 7, the sealing relationship between the plug seal 13 and the base plate 121 and the plug housing 15 creates a waterproof effect between the base plate 121 and the plug housing 15, and also plugs the plurality of bottom holes 124 of the base plate 121, thus achieving a waterproof effect. A similar waterproof effect exists between the socket seal 23 and the base plate 221 and the socket housing 25. Furthermore, the plurality of plug sealing rings 16 create a waterproof effect between each of the wires 99 and each of the risers 122, while the plurality of socket sealing rings 26 create a waterproof effect between each of the wires 99 and each of the risers 222. The intermediate sealing ring 31 creates a waterproof effect between the plug module 11 and the socket module 21 after the plug module 11 is inserted into the socket module 21. Therefore, when the plug module 11 is inserted into the socket module 21, the aforementioned waterproof effect seals all possible water ingress gaps, forming a complete waterproof effect.

[0027] As can be seen from the above, this invention can provide waterproofing when the plug module 11 and the socket module 21 are plugged in, and can also provide waterproofing when the wire 99 is assembled, so that the whole thing has waterproofing, and its waterproofing effect is better than the previous technology.

[0028] The above description is merely an illustration of the present invention through embodiments and cannot be used to limit the scope of the patent application of the present invention. Any simple variations or equivalent implementations made in accordance with the scope of the patent application of the present invention and the contents of the patent specification shall be covered by the scope of the patent application of the present invention.

[0029] 10: Waterproof electrical connectors 11: Plug Module 12: Plug socket 121: Base Plate 122: Riser 123: Bottom wall 124: Bottom hole 125: Slot 126: Block 13: Plug seal 134: Bump 14: Plug terminals 141: Insertion segment 142: Installation Section 143: Shoulder ring 15: Plug housing 151: Peripheral wall 152: Receptacle 153: Suppression Department 155: hook part 158: Deduction 159: Circular Recess 16: Plug sealing ring 21: Socket Module 22: Socket base 221:Substrate 222: Straight pipe 223: The wall 224: Basic Hole 225: Groove 226: Reaching the Ministry 23: Socket seal 234: Block 24: Socket terminals 241: Open segment 242: Setting Section 243: Annular protrusion 25: Socket housing 251: Outer wall 252: Empty slot 253: Restriction Section 255: Inlay 258: Buckle 259: Recessed area 26: Socket sealing ring 31: Intermediate sealing ring 99: Electrical wire

Claims

1. A waterproof electrical connector, comprising: a plug module, a socket module, and an intermediate sealing ring, wherein, The plug module includes a plug socket, a plug seal, a plurality of plug terminals, a plug housing, and a plurality of plug sealing rings. The plug socket has a base plate and a plurality of risers extending upward from and through the base plate. The plug seal is disposed on the base plate and allows the plurality of risers to pass through. Each plug terminal has an insertion section and a mounting section, and an outwardly extending shoulder between the insertion section and the mounting section. Each plug terminal is inserted into each riser via the mounting section and abuts against the top of each riser via the shoulder. The plug housing has an outer peripheral wall and a plurality of receiving grooves. The plug housing is assembled to the plug socket, and the outer peripheral wall is pressed against the plug seal to form a sealing relationship. The insertion section of each plug terminal is inserted into each receiving groove, and the plug housing forms a pressing portion around the bottom of each receiving groove, pressing against the shoulder of each plug terminal. Each plug sealing ring is placed inside each of the vertical tubes and abuts against the bottom end of the mounting section of each plug terminal; the socket module has a socket base, a socket seal, a plurality of socket terminals, a socket housing, and a plurality of socket sealing rings; wherein, the socket base has a base plate and a plurality of straight tubes extending upward from the base plate and penetrating the base plate; the socket seal is disposed on the base plate and allows the plurality of straight tubes to pass through; each socket terminal has an opening section and a setting section, and an outwardly extending annular protrusion is provided between the opening section and the setting section, each socket terminal is inserted into each of the straight tubes through the setting section and abuts against the top end of each of the straight tubes through the annular protrusion; the socket housing has an outer wall and a plurality of slots, the socket housing is assembled to the socket base, the outer wall is pressed against the socket seal to form a sealing relationship, the opening section of each socket terminal is inserted into each of the slots, and the socket housing forms a limiting part around the bottom of each slot to press against the annular protrusion of each socket terminal; Each socket sealing ring is placed inside each straight pipe and abuts against the bottom end of the mounting section of each socket terminal; the plug module is used to insert into the socket module, and during insertion, the insertion section of the plurality of plug terminals is inserted into the opening section of the plurality of socket terminals, and the outer peripheral wall of the plug module and the outer peripheral wall of the socket module clamp the intermediate sealing ring to form a sealing relationship; wherein, the plug module allows a plurality of wires to enter from the bottom end of the plurality of risers and connect to the mounting section of the plurality of plug terminals, and each plug sealing ring is sleeved on each wire to form a sealing relationship with each wire and each riser; the socket module also allows a plurality of wires to enter from the bottom end of the plurality of straight pipes and connect to the mounting section of the plurality of socket terminals, and each socket sealing ring is sleeved on each wire to form a sealing relationship with each wire and each straight pipe.

2. The waterproof electrical connector according to claim 1, wherein: Each riser has a stop at its bottom that blocks the bottom end of the plug sealing ring; each straight pipe also has a stop at its bottom that blocks the bottom end of the socket sealing ring.

3. The waterproof electrical connector according to claim 1, wherein: The outer peripheral wall of the plug housing has an annular recess, and the outer peripheral wall of the socket housing has a surrounding recess. When the plug module is inserted into the socket module, the annular recess faces the surrounding recess. The intermediate sealing ring is partially located in the surrounding recess, and the other part is located in the annular recess.

4. The waterproof electrical connector according to claim 1, wherein: The base plate of the plug socket has a bottom wall in an enclosing shape. The base plate has a plurality of bottom holes. The plug seal has a plurality of protrusions that are inserted into the plurality of bottom holes to form a sealing relationship. The bottom wall has a plurality of latching grooves. Each latching groove is located one-to-one above each bottom hole. The plug housing has a plurality of hooks, and each hook hooks one-to-one into each latching groove.

5. The waterproof electrical connector according to claim 1, wherein: The base plate of the socket base has a surrounding wall in an enclosing shape. The base plate has a plurality of base holes. The socket seal has a plurality of plugs that are inserted into the plurality of base holes to form a sealing relationship. The surrounding wall has a plurality of grooves, each groove being located one-to-one above each base hole. The socket housing has a plurality of inserts, each insert hooking one-to-one into each groove.

6. The waterproof electrical connector according to claim 1, wherein: One of the plug housing and the socket housing has a snap fastener, and the other has a pair of snap fasteners. The plug housing and the socket housing are detachable or fixed by means of the snap fastener and the pair of snap fasteners.

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