CN211404874U

CN211404874U - Novel waterproof power connector

Info

Publication number: CN211404874U
Application number: CN202020351048.8U
Authority: CN
Inventors: 陈金生; 胡文鸿
Original assignee: Shenzhen Taihua Internet Technology Co ltd
Current assignee: Shenzhen Taihua Internet Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-09-01
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a novel waterproof power connector, which comprises a plug, a socket oppositely inserted with the plug, a wiring mechanism arranged in the plug and a connecting mechanism arranged in the socket; the connecting mechanism comprises a connecting shell and a connecting terminal module transversely arranged through the connecting shell; two ends of the connecting terminal module, which penetrate out of the connecting shell, are respectively used for being connected with external case equipment and one end of the wiring mechanism; the other end of the wiring mechanism is used for connecting an external cable inserted into the plug from one end of the plug, and a cable sealing ring used for sealing the external cable is embedded in the end of the plug. The utility model discloses can realize comprehensive waterproof, dirt-proof function, reasonable in design, compact structure, small, water-proof effects is good, the security is high, and can realize quick access, installation equipment convenience, the maintenance of being convenient for, with low costs, the practicality of outside cable is strong.

Description

Novel waterproof power connector

Technical Field

The utility model relates to a power connector technical field especially relates to a novel waterproof power connector.

Background

The power connector generally includes a socket and a plug, the socket is arranged in a case of the external device (a power source is arranged inside the case), the plug is provided with an external cable, and the plug is connected with an external load through the external cable; when the plug is inserted into the socket, the power supply to the external load can be realized. The existing power connector is large in size, unstable in connection, poor in waterproof performance, incapable of sealing cables with different diameters and specifications and very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel waterproof power connector, through the laminating department at socket and outside quick-witted case, plug and socket to the plug department to and the junction that the plug inserts outside cable sets up socket seal circle, plug seal circle and cable sealing washer respectively, and then realizes comprehensive waterproof, dirt-proof function, reasonable in design, compact structure, small, water-proof effects is good, the security is high, and can realize quick access, the installation equipment is convenient, be convenient for maintain, with low costs, the practicality is strong of outside cable.

In order to realize the purpose, the following technical scheme is adopted:

a novel waterproof power connector comprises a plug, a socket oppositely inserted with the plug, a wiring mechanism arranged in the plug and a connecting mechanism arranged in the socket; the connecting mechanism comprises a connecting shell and a connecting terminal module transversely arranged through the connecting shell; two ends of the connecting terminal module, which penetrate out of the connecting shell, are respectively used for being connected with external case equipment and one end of the wiring mechanism; the other end of the wiring mechanism is used for connecting an external cable inserted into the plug from one end of the plug, and a cable sealing ring used for sealing the external cable is embedded in the end of the plug; and a socket sealing ring and a plug sealing ring are respectively arranged at the joint of the outer side of the socket and external case equipment and the opposite insertion position of the plug and the socket, and are used for preventing the socket and the plug from water inflow.

Furthermore, the connecting terminal module comprises two socket connecting terminals, and the two socket connecting terminals are arranged in parallel along the transverse direction at intervals and penetrate through the connecting shell; one end of each socket connecting terminal is provided with a mounting hole, and the two socket connecting terminals are respectively connected with the positive pole and the negative pole of external case equipment through the mounting holes; the other end of each socket connecting terminal is provided with two groups of elastic claws which are arranged in parallel in a split mode along the longitudinal direction, the surface of each elastic claw is provided with a plurality of elastic contacts, and the socket connecting terminals are connected with the wiring mechanism through the elastic claws and the elastic contacts.

Furthermore, the top of the connecting shell is provided with an isolating plate for isolating the two socket connecting terminals, and one end of the connecting shell is also provided with a plurality of limiting grooves; two groups of elastic claws of each socket connecting terminal respectively penetrate out of a limiting groove and are arranged, and the limiting grooves are used for limiting and fixing the elastic claws; the two sides of the lower part of the other end of the connecting shell are respectively provided with a first protruding part, the corresponding part of the lower part of each socket connecting terminal and the first protruding part is also provided with a clamping groove, and the lower part of each socket connecting terminal is clamped with the connecting shell through the clamping groove and the first protruding part; the both sides of division board still are equipped with a spacing boss respectively, and spacing boss is contradicted with socket connection terminal's top for with socket connection terminal spacing on connecting the casing.

Furthermore, the socket comprises a plug pin module, a socket outer shell and a socket inner shell, wherein one end of the socket inner shell is coaxially inserted into the socket outer shell; the connecting shell is inserted into the socket inner shell from one end of the socket inner shell and is fixedly connected with the socket outer shell through the plug pin module; the periphery of the socket shell is provided with an annular convex part, and the surface of the annular convex part is provided with a fixing hole for attaching and fixing the socket and external case equipment; the socket sealing ring is sleeved outside the socket shell and is attached to the inner side of the annular bulge; the socket shell is further provided with a handle clamping hook, and the handle clamping hook is used for clamping and fixing the socket and the plug.

Furthermore, the wiring mechanism comprises a wiring shell, a plurality of wiring terminals transversely inserted in the wiring shell, and a plurality of clamping modules arranged in the wiring shell; the wiring terminals are arranged in parallel at intervals along the transverse direction, and one end of each wiring terminal is also provided with two groups of elastic clamping pieces which are arranged in parallel in a split manner along the longitudinal direction, and the two groups of elastic clamping pieces of each wiring terminal are used for clamping and fixing two groups of elastic claws of each socket connecting terminal; each clamping module is correspondingly arranged above the other end of one wiring terminal, and the clamping modules are used for clamping and fixing one end of the external cable and the wiring terminal.

Furthermore, each clamping module comprises a spring piece and a sliding block; each spring piece is arranged at the top of one end of a wiring terminal, and each sliding block is inserted into the wiring shell from the middle part of one end of the wiring shell and is abutted against the lower part of one spring piece; the sliding block is used for extruding the spring piece under the action of external force, so that a gap is reserved between the spring piece and the top of one end of the wiring terminal, and one end of an external cable is inserted between the wiring terminal and the spring piece; the spring piece is also used for being driven by the restoring force of the spring piece, so that the lower parts of the sliding block and the spring piece are reset to clamp and fix one end of the external cable on the wiring terminal.

Furthermore, one side of the wiring shell and the corresponding position of each spring leaf are provided with a transparent window, and the transparent window is used for observing whether one end of an external cable is inserted between the spring leaf and the top of one end of the wiring terminal.

Further, the plug includes a plug housing; the wiring shell is inserted into the plug shell from one end of the plug shell, and the external cable is inserted into the wiring shell from the other end of the plug shell; the plug sealing ring is sleeved on the outer side of one end, connected into the wiring shell, of the plug shell, and the cable sealing ring is embedded on the inner side of the other end of the plug shell.

Further, the cable sealing washer includes first sealing washer, and coaxial embedded second sealing washer in first sealing washer, and first sealing washer and second sealing washer are used for realizing sealing the outside cable of different diameters.

Furthermore, the outer side of one end, connected to the external cable, of the plug shell is further provided with a first nut, and the first nut is used for being matched with the cable sealing ring to lock and fix the external cable.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

1) the socket sealing ring, the plug sealing ring and the cable sealing ring are respectively arranged at the joint of the socket and the external case, the opposite insertion position of the plug and the socket and the joint of the plug and the external cable, so that comprehensive waterproof and dustproof functions are realized, and the multifunctional waterproof box is reasonable in design, compact in structure, small in size, good in waterproof effect and high in safety;

2) through the mutual matching of the sliding block and the spring piece of the clamping module, the quick connection of the external cable can be realized, the installation and the assembly are convenient, the maintenance is convenient, the connection stability of the external cable and the wiring terminal can be improved, the external cable is not easy to fall off, and the service life of a product is prolonged;

3) the cable sealing ring is designed in a double-layer structure, if external cables with different wire diameters need to be fixed, the second sealing ring can be taken out or installed, and the cable sealing ring is simple and convenient and has strong universality;

4) the socket connecting terminal adopts the structural design of two groups of oppositely opened elastic claws, the structural compactness can be improved, the overlarge volume is avoided, and meanwhile, the surface of each elastic claw is provided with a plurality of elastic contacts, so that the electric conductivity can be improved;

5) binding post adopts the structural design of two sets of elasticity clamping pieces that run from opposite directions, can make two sets of elasticity clamping pieces of each binding post press from both sides two sets of elastic claw tight fixedly with each socket connection terminal to improve binding post and socket connection terminal connection's stability, the practicality is strong.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an exploded view of the socket of the present invention;

FIG. 4 is an exploded view of FIG. 3 from another perspective;

FIG. 5 is a perspective view of the wiring mechanism of the present invention;

FIG. 6 is an exploded view of FIG. 5;

wherein the figures identify the description:

1-a plug; 2-a socket;

3-a wiring mechanism; 4-a connecting mechanism;

5 — an external cable; 6-cable sealing ring;

7-socket sealing ring; 8, a plug sealing ring;

11-a plug housing; 12-a first nut;

21-a plug pin module; 22-a socket housing;

23-a socket inner housing; 31-a wiring housing;

32-a connecting terminal; 33-a clamping module;

41-connecting the shell; 42-connecting terminal module;

211-plug pin body; 212-bolt hole;

221-annular boss; 222-a fixing hole;

223-handle hook; 311-transparent window;

312-wire inlet hole; 313-a slide hole;

321-a resilient clip; 331-a spring leaf;

332 — a slider; 411 — a separator;

412-a limiting groove; 413 — a first boss;

414-card slot; 415-a limit boss;

421 — socket connection terminal; 422-mounting holes;

423-elastic claw; 424 — spring contacts.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, the utility model provides a novel waterproof power connector, which comprises a plug 1, a socket 2 oppositely inserted with the plug 1, a wiring mechanism 3 internally arranged in the plug 1, and a connecting mechanism 4 internally arranged in the socket 2; the connecting mechanism 4 comprises a connecting shell 41, a connecting terminal module 42 transversely arranged through the connecting shell 41; two ends of the connection terminal module 42, which penetrate out of the connection housing 41, are respectively used for being connected with external chassis equipment and one end of the wiring mechanism 3; the other end of the wiring mechanism 3 is used for connecting an external cable 5 inserted into the plug 1 from one end of the plug 1, and a cable sealing ring 6 for sealing the external cable 5 is embedded in the end of the plug 1; the joint of the outer side of the socket 2 and external case equipment and the opposite insertion positions of the plug 1 and the socket 2 are respectively provided with a socket sealing ring 7 and a plug sealing ring 8, and the socket sealing ring 7 and the plug sealing ring 8 are used for preventing the socket 2 and the plug 1 from water inflow.

Wherein, the connection terminal module 42 includes two socket connection terminals 421, and the two socket connection terminals 421 are arranged in parallel along the transverse direction at intervals through the connection housing 41; one end of each socket connecting terminal 421 is provided with a mounting hole 422, and the two socket connecting terminals 421 are respectively connected with the positive pole and the negative pole of the external chassis equipment through the mounting holes 422; the other end of each socket connecting terminal 421 is provided with two groups of elastic claws 423 arranged in parallel in a bisection manner along the longitudinal direction, the surface of each elastic claw 423 is provided with a plurality of elastic contacts 424, and the socket connecting terminal 421 is connected with the wiring mechanism 3 through the elastic claws 423 and the elastic contacts 424; the top of the connecting housing 41 is provided with a partition 411 for separating the two socket connecting terminals 421, and one end of the connecting housing 41 is further provided with a plurality of limiting grooves 412; two groups of elastic claws 423 of each socket connecting terminal 421 respectively penetrate through a limiting groove 412, and the limiting groove 412 is used for limiting and fixing the elastic claws 423; two sides of the lower part of the other end of the connecting shell 41 are respectively provided with a first protruding part 413, a clamping groove 414 is arranged at the corresponding position of the lower part of each socket connecting terminal 421 and the first protruding part 413, and the lower part of the socket connecting terminal 421 is clamped with the connecting shell 41 through the clamping groove 414 and the first protruding part 413; two sides of the isolation plate 411 are respectively provided with a limiting boss 415, and the limiting bosses 415 are abutted against the tops of the socket connecting terminals 421 and used for limiting the socket connecting terminals 421 on the connecting shell 41; the socket 2 comprises a plug pin module 21, a socket outer shell 22 and a socket inner shell 23, wherein one end of the socket inner shell is coaxially inserted into the socket outer shell 22; the connecting shell 41 is inserted into the socket inner shell 23 from one end of the socket inner shell 23 and is fixedly connected with the socket outer shell 22 through the plug pin module 21; an annular convex part 221 is arranged around the socket shell 22, and a fixing hole 222 for attaching and fixing the socket 2 and external chassis equipment is formed in the surface of the annular convex part 221; the socket sealing ring 7 is sleeved outside the socket shell 22 and is attached to the inner side of the annular bulge 221; the socket shell 22 is further provided with a handle hook 223, and the handle hook 223 is used for clamping and fixing the socket 2 and the plug 1.

The wiring mechanism 3 comprises a wiring shell 31, a plurality of wiring terminals 32 transversely inserted in the wiring shell 31, and a plurality of clamping modules 33 arranged in the wiring shell 31; the plurality of wiring terminals 32 are arranged in parallel along the transverse direction at intervals, and one end of each wiring terminal 32 is further provided with two groups of elastic clamping pieces 321 which are arranged in parallel and oppositely arranged along the longitudinal direction, and the two groups of elastic clamping pieces 321 of each wiring terminal 32 are used for clamping and fixing the two groups of elastic claws 423 of each socket connecting terminal 421; each clamping module 33 is correspondingly arranged above the other end of one connecting terminal 32, and the clamping module 33 is used for clamping and fixing one end of the external cable 5 and the connecting terminal 32; each clamping module 33 comprises a spring plate 331 and a sliding block 332; each spring piece 331 is disposed on the top of one end of one terminal 32, and each slider 332 is inserted into the terminal housing 31 from the middle of one end of the terminal housing 31 and abuts against the lower portion of one spring piece 331; the sliding block 332 is used for pressing the spring piece 331 under an external force, so that a gap is reserved between the spring piece 331 and the top of one end of the connecting terminal 32, and one end of the external cable 5 is inserted between the connecting terminal 32 and the spring piece 331; the spring piece 331 is also used for being driven by the restoring force thereof, so that the lower parts of the sliding block 332 and the spring piece 331 are reset to clamp and fix one end of the external cable 5 on the wiring terminal 32; a transparent window 311 is further disposed at a position corresponding to each spring plate 331 on one side of the connection housing 31, and the transparent window 311 is used for observing whether one end of the external cable 5 is inserted between the spring plate 331 and the top of one end of the connection terminal 32; the plug 1 comprises a plug housing 11; the wiring housing 31 is inserted into the plug housing 11 from one end of the plug housing 11, and the external cable 5 is inserted into the wiring housing 31 from the other end of the plug housing 11; the plug sealing ring 8 is sleeved on the outer side of one end, connected into the wiring shell 31, of the plug shell 11, and the cable sealing ring 6 is embedded on the inner side of the other end of the plug shell 11; the cable sealing ring 6 comprises a first sealing ring and a second sealing ring which is coaxially embedded in the first sealing ring, and the first sealing ring and the second sealing ring are used for sealing the external cables 5 with different diameters; the plug shell 11 is provided with a first nut 12 at the outer side of one end connected to the external cable 5, and the first nut 12 is used for being matched with the cable sealing ring 6 to lock and fix the external cable 5.

The utility model discloses the theory of operation:

the socket 2: with continued reference to fig. 2-4, the plug module 21 includes a plug body 211 and plug holes 212 respectively formed on the outer side of the connecting housing 41, the outer side of the socket inner housing 23 and the outer side of the socket outer housing 22, and the socket 2 is assembled as follows:

1) first, the two socket connecting terminals 421 are transversely inserted into the connecting housing 41, so that the two sets of elastic claws 423 of each socket connecting terminal 421 respectively penetrate out of one of the limiting grooves 412.

The socket connecting terminal 421 adopts a structural design of two split sets of elastic claws 423, which can improve the structural compactness, and meanwhile, the surface of each elastic claw 423 is provided with a plurality of elastic contacts 424, which can improve the electric conductivity and also can avoid repeated plugging and unplugging of the plug 1 and the socket 2; the limiting groove 412 can limit and fix the elastic claw 423, so that the elastic claw 423 is prevented from falling off, and the stability is enhanced; the isolation board 411 can isolate the two socket connection terminals 421, so as to avoid contact between the two socket connection terminals, and reduce potential safety hazards; when the socket connecting terminal 421 is installed, the clamping groove 414 of the socket connecting terminal 421 is clamped into the first protruding portion 413 at two sides of the connecting housing 41, the socket connecting terminal 421 can be limited in the horizontal direction, the limiting boss 415 at the outer side of the isolation plate 411 is abutted to the top of the socket connecting terminal 421, the socket connecting terminal 421 can be limited in the vertical direction, and the socket connecting terminal 421 can be limited and fixed on the connecting housing 41 through the mutual matching of the two, so that the installation stability is improved;

2) inserting the connecting shell 41 into the socket inner shell 23 from one end of the socket inner shell 23, then installing the socket inner shell 23 into the socket outer shell 22, and then sequentially inserting the plug pin body 211 into the plug pin holes 212 of the socket outer shell 22, the socket inner shell 23 and the connecting shell 41, so that the three shells are connected and fixed into a whole, and the connection tightness is enhanced;

3) the socket sealing ring 7 is sleeved outside the socket shell 22 and is attached to the inner side of the annular bulge 221, and then the handle clamping hook 223 is installed on the socket shell 22;

4) the socket 2 is installed in an external case device, the two socket connection terminals 421 are connected with the electronic device bolts in the case body through the installation holes 422 (respectively connected to the positive electrode and the negative electrode of the electronic device), and then are attached to the surface of the case device through the fixing holes 222 of the annular protruding portion 221, the annular protruding portion 221 can extrude the socket sealing ring 7, and therefore dust prevention and water drainage between the socket 2 and the case body are achieved.

Plug 1: with continued reference to fig. 5-6, the wiring housing 31 has a first cavity therein for accommodating the wiring terminal 32 and the clamping module 33; one end of the wiring shell 31 is also provided with two wire inlet holes 312 communicated with the first accommodating cavity, and one end of the external cable 5 is inserted into the first accommodating cavity through the wire inlet holes 312; the terminal housing 31 is further provided with two sliding holes 313 penetrating the first receiving cavity, each sliding hole 313 is arranged above the corresponding terminal hole, and the sliding block 332 is inserted into the sliding hole 313.

The plug 1 is assembled into the external cable 5 in the following manner:

1) the external cable 5 with the wire skin stripped is inserted into one end of the plug shell 11 and is penetrated out from the other end of the plug shell 11;

2) pushing the sliding block 332, so that the sliding block 332 slides along the sliding hole 313 and presses the lower part of the spring piece 331, and a gap is left between the spring piece 331 and the top of one end of the wiring terminal 32;

3) inserting the external cable 5 into the first cavity from the wire inlet hole 312, and penetrating the external cable between the top of one end of the wire connecting terminal 32 and the spring piece 331;

4) when the sliding block 332 is loosened, the spring piece 331 is driven by restoring force to rebound, so that the sliding block 332 and the lower part of the spring piece 331 are reset, further the lower part of the spring piece 331 can extrude the outer side (the cable copper wire of the cable) of the external cable 5, one end of the external cable 5 is clamped and fixed on the wiring terminal 32, and the connection between the external cable 5 and the wiring terminal 32 is realized;

5) observing whether the external cable 5 is installed in place through the transparent window 311, and then pulling back the external cable 5 to insert the wiring housing 31 into the plug housing 11 from one end of the plug housing 11;

6) the first nut 12 is locked, the first nut 12 can extrude the cable sealing ring 6, and the dustproof and waterproof between the external cable 5 and the plug 1 are achieved.

Inserting the plug 1 assembled with the external cable 5 into the socket 2, so that the two elastic clamping pieces 321 of each wiring terminal 32 clamp and fix the two elastic claws 423 of each socket connecting terminal 421, and realizing the electrical connection of the socket connecting terminal 421, the wiring terminal 32 and the external cable 5, thereby realizing power supply; the plug 1 and the socket 2 can be locked and fixed by the handle clamping hook 223, and the stability of connection between the external cable 5 and the wiring terminal 32 can be ensured by the design of the spring piece 331; the cable sealing ring 6 adopts a double-layer structure design, if the external cables 5 with different wire diameters need to be fixed, the second sealing ring can be taken out or installed, and the structure is simple and convenient; the joint of the socket 2 and the external case, the plug 1 and the socket 2, and the plug 1 connected to the external cable 5 is respectively provided with the socket sealing ring 7, the plug sealing ring 8 and the cable sealing ring 6, so that the power connector is comprehensively waterproof and dustproof, IP 67-level waterproof can be realized, the design is reasonable, the structure is compact, the waterproof effect is good, the safety is high, the quick connection of the external cable 5 can be realized, the installation and the assembly are convenient, the maintenance is convenient, the cost is low, and the practicability is high.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A novel waterproof power connector is characterized by comprising a plug, a socket oppositely inserted with the plug, a wiring mechanism arranged in the plug and a connecting mechanism arranged in the socket; the connecting mechanism comprises a connecting shell and a connecting terminal module transversely arranged through the connecting shell; two ends of the connecting terminal module, which penetrate out of the connecting shell, are respectively used for being connected with external case equipment and one end of the wiring mechanism; the other end of the wiring mechanism is used for connecting an external cable inserted into the plug from one end of the plug, and a cable sealing ring used for sealing the external cable is embedded in the end of the plug; and a socket sealing ring and a plug sealing ring are respectively arranged at the joint of the outer side of the socket and external case equipment and the opposite insertion position of the plug and the socket, and are used for preventing the socket and the plug from water inflow.

2. The novel waterproof power connector of claim 1, wherein the connection terminal module comprises two socket connection terminals arranged in parallel laterally spaced apart relationship through the connector housing; one end of each socket connecting terminal is provided with a mounting hole, and the two socket connecting terminals are respectively connected with the positive pole and the negative pole of external case equipment through the mounting holes; the other end of each socket connecting terminal is provided with two groups of elastic claws which are arranged in parallel in a split mode along the longitudinal direction, the surface of each elastic claw is provided with a plurality of elastic contacts, and the socket connecting terminals are connected with the wiring mechanism through the elastic claws and the elastic contacts.

3. The novel waterproof power connector as claimed in claim 2, wherein a separation plate for separating the two socket connection terminals is disposed on the top of the connection housing, and a plurality of limiting grooves are disposed on one end of the connection housing; two groups of elastic claws of each socket connecting terminal respectively penetrate out of a limiting groove and are arranged, and the limiting grooves are used for limiting and fixing the elastic claws; the two sides of the lower part of the other end of the connecting shell are respectively provided with a first protruding part, the corresponding part of the lower part of each socket connecting terminal and the first protruding part is also provided with a clamping groove, and the lower part of each socket connecting terminal is clamped with the connecting shell through the clamping groove and the first protruding part; the both sides of division board still are equipped with a spacing boss respectively, and spacing boss is contradicted with socket connection terminal's top for with socket connection terminal spacing on connecting the casing.

4. The novel waterproof power connector of claim 3, wherein the socket comprises a plug module, a socket outer shell, and a socket inner shell with one end coaxially inserted into the socket outer shell; the connecting shell is inserted into the socket inner shell from one end of the socket inner shell and is fixedly connected with the socket outer shell through the plug pin module; the periphery of the socket shell is provided with an annular convex part, and the surface of the annular convex part is provided with a fixing hole for attaching and fixing the socket and external case equipment; the socket sealing ring is sleeved outside the socket shell and is attached to the inner side of the annular bulge; the socket shell is further provided with a handle clamping hook, and the handle clamping hook is used for clamping and fixing the socket and the plug.

5. The novel waterproof power connector of claim 4, wherein the wiring mechanism comprises a wiring housing, a plurality of wiring terminals transversely inserted into the wiring housing, and a plurality of clamping modules arranged in the wiring housing; the wiring terminals are arranged in parallel at intervals along the transverse direction, and one end of each wiring terminal is also provided with two groups of elastic clamping pieces which are arranged in parallel in a split manner along the longitudinal direction, and the two groups of elastic clamping pieces of each wiring terminal are used for clamping and fixing two groups of elastic claws of each socket connecting terminal; each clamping module is correspondingly arranged above the other end of one wiring terminal, and the clamping modules are used for clamping and fixing one end of the external cable and the wiring terminal.

6. The new water resistant power connector as claimed in claim 5 wherein each clamping module includes a spring plate, a slider; each spring piece is arranged at the top of one end of a wiring terminal, and each sliding block is inserted into the wiring shell from the middle part of one end of the wiring shell and is abutted against the lower part of one spring piece; the sliding block is used for extruding the spring piece under the action of external force, so that a gap is reserved between the spring piece and the top of one end of the wiring terminal, and one end of an external cable is inserted between the wiring terminal and the spring piece; the spring piece is also used for being driven by the restoring force of the spring piece, so that the lower parts of the sliding block and the spring piece are reset to clamp and fix one end of the external cable on the wiring terminal.

7. The novel waterproof power connector as claimed in claim 6, wherein a transparent window is further provided at a position corresponding to each spring plate on one side of the connection housing, and the transparent window is used for observing whether one end of an external cable is inserted between the spring plate and the top of one end of the connection terminal.

8. The novel waterproof power connector of claim 6, wherein said plug includes a plug housing; the wiring shell is inserted into the plug shell from one end of the plug shell, and the external cable is inserted into the wiring shell from the other end of the plug shell; the plug sealing ring is sleeved on the outer side of one end, connected into the wiring shell, of the plug shell, and the cable sealing ring is embedded on the inner side of the other end of the plug shell.

9. The novel waterproof power connector of claim 8, wherein the cable sealing ring comprises a first sealing ring and a second sealing ring coaxially embedded in the first sealing ring, and the first sealing ring and the second sealing ring are used for sealing external cables with different diameters.

10. The novel waterproof power connector as claimed in claim 9, wherein a first nut is further disposed on an outer side of an end of the plug housing, which is connected to the external cable, and the first nut is used for cooperating with the cable gasket to lock and fix the external cable.