CN113725659B

CN113725659B - Energy-saving waterproof cable joint

Info

Publication number: CN113725659B
Application number: CN202111036397.6A
Authority: CN
Inventors: 黄新权; 廖雪晖; 黄新胜; 黄新喜; 黄新有
Original assignee: Foshan Defang Cable Co ltd
Current assignee: Foshan Defang Cable Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-05-31
Anticipated expiration: 2041-09-06
Also published as: CN113725659A

Abstract

The invention relates to a cable connector, in particular to an energy-saving waterproof cable connector. The technical problem is as follows: the existing waterproof cable joint is inconvenient to install and small in contact area of a male head and a female head, so that the current loss is large. The technical scheme of the invention is as follows: the utility model provides an energy-conserving waterproof cable connects, shields cover etc. including public head, female head, first cover and second, and public head surface right part rigid coupling has first cover, and female head surface left part rigid coupling has the second to shield the cover, and first cover left part of shielding is equipped with curved arc portion and clamping part, and the second shields the cover right part and is equipped with the kink. The first shielding cover and the second shielding cover are designed, when the male connector and the female connector are plugged together, the first shielding cover clamps the bent part of the second shielding cover through the bent arc part and the clamping part, so that the first shielding cover and the second shielding cover are tightly plugged together, the operation is convenient, the waterproof capability is realized, and the problem of inconvenience in installation due to the fact that the first shielding cover and the second shielding cover are connected through the nut in the prior art is solved.

Description

Energy-saving waterproof cable joint

Technical Field

The invention relates to a cable connector, in particular to an energy-saving waterproof cable connector.

Background

After injection molding and encapsulation of series connectors such as XT60, XT60U, XT30, XT30U, MR30, MT30, MR60 and MT6, butt joints of male connectors and female connectors are exposed, and a waterproof effect cannot be achieved.

The existing M12, M15, M16 series waterproof joints have the following problems although the waterproof joints have waterproof capability:

1. the nut is usually worn to water joint, need tighten the nut during installation, brings certain inconvenience to the installation use:

2. the public head and the female first area of contact of waterproof cable joint are little, lean on usually to inserting with the nut fixed, can cause the current loss great, the electric current is unstable to there is contact failure risk, the plug life-span is shorter.

3. The contact area of the welding point of the cable is too small, and the problem of insufficient welding exists in production;

in order to overcome the problems that the waterproof cable connector is inconvenient to install and the contact area of a male connector and a female connector is small, so that the current loss is large, an energy-saving waterproof cable connector is provided.

Disclosure of Invention

In order to overcome the inconvenient and public female first area of contact of current waterproof cable joint installation, lead to the great shortcoming of current loss, technical problem: an energy-saving waterproof cable joint is provided.

The technical scheme of the invention is as follows: an energy-saving waterproof cable joint comprises a male head and a female head, wherein the male head and the female head are connected in a plugging manner; the waterproof female head is characterized by further comprising a first shielding cover and a second shielding cover, the right part of the outer surface of the male head is fixedly connected with the first shielding cover, the left part of the outer surface of the female head is fixedly connected with the second shielding cover, the left part of the first shielding cover is provided with a bent arc part and a clamping part, the right part of the second shielding cover is provided with a bent part, the first shielding cover locks the bent part of the second shielding cover through the bent arc part and the clamping part, the first shielding cover and the second shielding cover are tightly spliced, and the first shielding cover and the second shielding cover are used for preventing water; still including public metal terminal, female metal terminal, first casing and second casing, the movable grafting of left part has first casing in the public head, the movable grafting of right part has the second casing in the female head, the inside rigid coupling of first casing has two public metal terminal, and two public metal terminal and public first inner wall contact, the inside rigid coupling of second casing has two female metal terminal, and two female metal terminal and female first inner wall contact, two public metal terminal right parts are used for connecting the cable, two female metal terminal left part are connected and are used for the cable, public metal terminal and female metal terminal plug are connected.

Further, the first mask and the second mask have extensibility.

Further, the shell further comprises a first stretching block and a second stretching block, the right part of the outer surface of the male head is fixedly connected with the two first stretching blocks, the left part of the outer surface of the first shielding cover is fixedly connected with the two second stretching blocks, the second shell further comprises a mounting block and a fastening stud, and the front side and the rear side of the right part of the second shell are both connected with the mounting block through two fastening stud bolts.

Further, the front male metal binding post comprises a first connecting main body, a splicing column, a first arc-shaped block, a first fastening part and a first connecting column; the anterior rigid coupling has first connecting body in the first casing, first connecting body left side rigid coupling has four annular array's grafting post, the grafting post is used for inserting inside the female metal terminal, first connecting body right part rigid coupling has first connecting post, first connecting post is used for supplying the cable winding, the first connecting post outside of first connecting body right-hand member face is connected with first arc piece, the rigid coupling has at least two sets of first fastening component on the first arc piece, the first fastening component of every group comprises two easy metal strips of buckling, first fastening component is used for fixing the cable.

Further, the front female metal binding post comprises a second connecting main body, a second arc-shaped block, a second fastening part, a second connecting post, a limiting post and a second convex strip, the second connecting main body is fixedly connected to the inner front portion of the second shell, the left portion of the second connecting main body is fixedly connected with the second connecting post, the second connecting post is used for winding cables, the second arc-shaped block is fixedly connected to the outer side of the second connecting post on the left end face of the second connecting main body, at least two groups of second fastening parts are fixedly connected to the second arc-shaped block, each group of second fastening parts is composed of two metal strips which are easy to bend, the second fastening parts are used for fixing the cables, the limiting posts are fixedly connected to the inner portion of the second connecting main body, and the limiting posts are used for expanding four splicing posts.

Further, the outer surface of the limiting column is provided with a plurality of second protruding strips, the second protruding strips are used for externally supporting four inserting columns, and the contact area between the inserting columns and the inner wall of the second connecting main body is increased.

Further, the first connecting column and the second connecting column are spiral columns and are used for increasing the contact area when the first connecting column and the second connecting column are connected with a cable, and bulges are arranged on the inner annular surfaces of the first arc-shaped block and the second arc-shaped block and are used for better fixing the cable head of the cable.

Further, the front female metal wiring terminal further comprises a first rust removing assembly and a second rust removing assembly, the right portion of the second connecting body is connected with two symmetrical first rust removing assemblies, the right sides of the two first rust removing assemblies on the right portion of the second connecting body are connected with two symmetrical second rust removing assemblies, the two first rust removing assemblies and the two second rust removing assemblies are distributed in a staggered mode, the first rust removing assemblies and the second rust removing assemblies are used for removing iron rust on the outer surface of the second arc-shaped block, the first rust removing assemblies comprise a second spring part and an arc scraping plate, the right portion of the outer surface of the second connecting body is connected with the second spring part through bolts, and the right portion of the second spring part is fixedly connected with the arc scraping plate.

Further, the left part of the male head is provided with a clamping groove, the right part of the female head is provided with a first protruding strip, and the male head and the female head are locked through the clamping groove and the first protruding strip after being spliced.

It further explains, still including the cavity fixture block, the connecting plate, the connecting block, the dop, press compression leg and first spring part, public first top left side is equipped with presses the splenium, first casing top middle part articulates there is the connecting plate, the upper left side rigid coupling of connecting plate has the connecting block, connecting block left side below rigid coupling has the dop, connecting block upper surface rigid coupling has presses the compression leg, press the post to be located and press under the splenium, second casing top middle part rigid coupling has the cavity fixture block, first casing and second casing pass through the inside locking of dop card income cavity fixture block, press the splenium easy deformation in public first top left side.

Has the advantages that: the first shielding cover and the second shielding cover are designed, when the male head and the female head are connected in an inserting mode, the first shielding cover clamps the bent part of the second shielding cover through the bent arc part and the clamping part, the first shielding cover and the second shielding cover are enabled to be connected in an inserting mode, operation is convenient, the waterproof capacity is achieved, and the problem that in the prior art, connection through a nut is inconvenient to install is solved.

When the male metal binding post and the female metal binding post are connected with the cable, the cable can be fastened, the welding area of the cable and the cable is increased, and cold welding is avoided.

When the male head and the female head are connected in an inserting mode, the first protruding strips are clamped into the clamping grooves to achieve locking and rainwater isolation, when the first shell and the second shell are connected in an inserting mode, the clamping heads are clamped into the hollow clamping blocks to achieve tight inserting, if cables are pulled, the connectors can be prevented from being separated, and meanwhile, convenience in installation is guaranteed through easy-to-separate buckle type connection.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view of a first shield and a second shield of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of a first assembly of the present invention;

FIG. 7 is a schematic view of a second assembly of the present invention;

FIG. 8 is a schematic view of a third embodiment of the present invention;

FIG. 9 is a schematic view of a fourth embodiment of the present invention;

FIG. 10 is a schematic view of a fifth embodiment of the present invention;

FIG. 11 is a schematic view of a sixth assembly of the present invention;

FIG. 12 is a schematic view of a seventh assembly of the present invention;

fig. 13 is a schematic view of an eighth combined structure of the present invention.

In the figure: 1-male head, 2-female head, 3-first shielding cover, 4-second shielding cover, 5-first stretching block, 6-second stretching block, 31-curved part, 32-clamping part, 41-bending part, 101-pressing part, 102-clamping groove, 201-first protruding strip, 7-male metal binding post, 8-female metal binding post, 9-first shell, 10-second shell, 11-hollow binding block, 901-connecting plate, 902-connecting block, 903-clamping head, 904-pressing post, 905-first spring part, 1001-mounting block, 1002-fastening stud, 71-first connecting main body, 72-inserting post, 73-first curved block, 74-first fastening part, 75-first connecting post, 81-a second connecting main body, 82-a second arc-shaped block, 83-a second fastening part, 84-a second connecting column, 85-a first derusting component, 86-a second derusting component, 87-a limiting column, 871-a second protruding strip, 851-a second spring part and 852-an arc-shaped scraping plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Example 1

An energy-saving waterproof cable joint is shown in figures 1-8 and 10 and comprises a male head 1 and a female head 2, wherein the male head 1 is connected with the female head 2 in a plugging manner; the waterproof connector also comprises a first shielding cover 3 and a second shielding cover 4, the right part of the outer surface of the male head 1 is fixedly connected with the first shielding cover 3, the left part of the outer surface of the female head 2 is fixedly connected with the second shielding cover 4, the left part of the first shielding cover 3 is provided with a bent arc part 31 and a clamping part 32, the right part of the second shielding cover 4 is provided with a bent part 41, the first shielding cover 3 locks the bent part 41 of the second shielding cover 4 through the bent arc part 31 and the clamping part 32, the first shielding cover 3 and the second shielding cover 4 are tightly inserted, and the first shielding cover 3 and the second shielding cover 4 are used for preventing water; still including public metal terminal 7, female metal terminal 8, first casing 9 and second casing 10, the movable grafting of left part has first casing 9 in public first 1, the movable grafting of right part has second casing 10 in female first 2, the inside rigid coupling of first casing 9 has two public metal terminal 7, and two public metal terminal 7 and the contact of public first 1 inner walls, the inside rigid coupling of second casing 10 has two female metal terminal 8, and two female metal terminal 8 and the contact of female first 2 inner walls, two public metal terminal 7 right parts are used for connecting the cable, two connection of female metal terminal 8 left parts are used for the cable, public metal terminal 7 and female metal terminal 8 plug are connected.

The first mask 3 and the second mask 4 have extensibility.

Still including first stretching piece 5 and second stretching piece 6, the outer surface right part rigid coupling of public head 1 has two first stretching pieces 5, and the outer surface left part rigid coupling of first shield cover 3 has two second stretching pieces 6.

The second housing 10 further includes a mounting block 1001 and a fastening stud 1002, and the front and rear sides of the right portion of the second housing 10 are respectively bolted with one mounting block 1001 through two fastening studs 1002.

When in use, the first shell 9 is pulled out from the male connector 1, the two male metal binding posts 7 are taken out at the same time, the second shell 10 is pulled out from the female connector 2, the two female metal binding posts 8 are taken out at the same time, when in wiring, a cable on the right side firstly passes through the inside of the male connector 1, then is wound on the right parts of the outer surfaces of the two male metal binding posts 7, and is welded together at the winding parts, similarly, a cable on the left side firstly passes through the inside of the female connector 2, then is wound on the left parts of the outer surfaces of the two female metal binding posts 8, and is welded together at the winding parts, then the first shell 9 is inserted back into the left part of the male connector 1, the second shell 10 is inserted back into the right part of the female connector 2, then the male connector 1 and the female connector 2 are plugged together, meanwhile, the first shell 9 and the second shell 10 are also plugged together, the two male metal binding posts 7 and the two female metal binding posts 8 are also plugged together, the first shielding cover 3 and the second shielding cover 4 are also plugged together, further, before the first shielding cover 3 and the second shielding cover 4 are plugged together, the two first stretching blocks 5 and the two second stretching blocks 6 are manually pulled to move reversely to stretch the left part of the first shielding cover 3, so that the distance between the bent arc part 31 and the clamping part 32 of the first shielding cover 3 is increased, namely, the stretching state shown in the fifth drawing state, further, when the second shielding cover 4 is plugged, the bent part 41 of the second shielding cover 4 can be inserted into the channel formed by the bent arc part 31 and the clamping part 32 in a bending way, after the two first stretching blocks 5 and the two second stretching blocks 6 are loosened, the second shielding cover 4 is not stretched by external force, the bent part 41 of the second shielding cover 4 is clamped by the bent arc part 31 and the clamping part 32, so that the first shielding cover 3 and the second shielding cover 4 are plugged together tightly, and rainwater can be isolated.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 7-8 and 11-13, the front male metal terminal 7 includes a first connection body 71, a plug post 72, a first arc-shaped block 73, a first fastening member 74 and a first connection post 75; the anterior rigid coupling has first connecting body 71 in first casing 9, first connecting body 71 left side rigid coupling has the spliced pole 72 of four annular array, spliced pole 72 is used for inserting inside female metallic binding post 8, first connecting body 71 right part rigid coupling has first connecting post 75, first connecting post 75 is used for supplying the cable winding, the first connecting post 75 outside of first connecting body 71 right-hand member face is connected with first arc piece 73, the rigid coupling has at least two sets of first fastening component 74 on the first arc piece 73, every first fastening component 74 of group comprises two easy bending metal strip, first fastening component 74 is used for fixing the cable.

The female metal terminal 8 in the place ahead is including second connecting body 81, second arc piece 82, second fastening part 83, second spliced pole 84, spacing post 87 and the protruding strip 871 of second, anterior rigid coupling has second connecting body 81 in the second casing 10, second connecting body 81 left part rigid coupling has second spliced pole 84, second spliced pole 84 is used for supplying the cable winding, second connecting body 81 left end face second spliced pole 84 outside rigid coupling has second arc piece 82, the rigid coupling has at least two sets of second fastening part 83 on the second arc piece 82, every second fastening part 83 of group comprises two easy bending metal strip, second fastening part 83 is used for fixing the cable, the inside rigid coupling of second connecting body 81 has spacing post 87, spacing post 87 is used for expanding four grafting posts 72.

The outer surface of the limiting column 87 is provided with a plurality of second convex strips 871, and the second convex strips 871 are used for externally supporting four plug columns 72, so that the contact area between the plug columns 72 and the inner wall of the second connecting main body 81 is increased.

The first connecting post 75 and the second connecting post 84 are both helical posts for increasing the contact area with the cable when connected.

The inner annular surfaces of the first arc-shaped block 73 and the second arc-shaped block 82 are provided with protrusions for better fixing the wire ends of the cables.

The female metal terminal 8 in the front further comprises a first rust removing assembly 85 and a second rust removing assembly 86, the right portion of the second connecting main body 81 is connected with the two symmetrical first rust removing assemblies 85, the right sides of the two first rust removing assemblies 85 in the right portion of the second connecting main body 81 are connected with the two symmetrical second rust removing assemblies 86, the two first rust removing assemblies 85 and the two second rust removing assemblies 86 are distributed in a staggered mode, and the first rust removing assemblies 85 and the second rust removing assemblies 86 are used for removing iron rust on the outer surface of the second arc-shaped block 82.

First rust cleaning subassembly 85 has second spring part 851 and arc to scrape board 852 including second spring part 851, and the right part bolted connection of second connecting body 81 surface has second spring part 851, and the right part rigid coupling of second spring part 851 has arc to scrape board 852.

The right end of the second connecting body 81 is recessed to facilitate the insertion of the four sets of posts 72.

When the cable is wound on the male metal binding post 7 and the female metal binding post 8, the head of the cable is firstly pinched to be flat, then the cable is wound on the outer surfaces of the first connecting post 75 and the second connecting post 84 around the grains of the first connecting post 75 and the grains of the second connecting post 84, then the first arc-shaped block 73 and the first fastening part 74 are clamped by the tool pliers, the cable wound on the first connecting post 75 is firmly locked by the first arc-shaped block 73 and the first fastening part 74, then the cable, the first arc-shaped block 73, the first fastening part 74 and the first connecting post 75 are welded together, similarly, the second arc-shaped block 82 and the second fastening part 83 are clamped by the tool pliers, the cable wound on the second connecting post 84 is firmly locked by the second arc-shaped block 82 and the second fastening part 83, then the cable, the second arc-shaped block 82, the second fastening part 83 and the second connecting post 84 are welded together, so can avoid the rosin joint, can circulate heavy current simultaneously, then when pegging graft public metal terminal 7 and female metal terminal 8 together, four peg graft post 72 insert in the annular space that second connecting body 81 and spacing post 87 formed, prop four peg graft posts 72 outward through the protruding strip 871 of second that spacing post 87 surface set up, let peg graft post 72 surface and second connecting body 81 inner wall in close contact with, increase the contact surface simultaneously, furthermore, when four peg graft posts 72 inserted, scrape iron rust that four peg graft post 72 surfaces probably exist through two first rust cleaning subassembly 85 and two second rust cleaning subassembly 86, impurity or oxide layer, thereby avoid contact failure, first rust cleaning subassembly 85 during operation, scrape the iron rust of peg graft post 72 surface, impurity or oxide layer through arc scraping plate 852, the existence of second spring part 851, can let arc scraping plate 852 hug closely post 72 surface and can not influence peg graft post 72 and second connection owner and be connected Contact of the inner wall of body 81.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and fig. 6 to 10, the left part of the male head 1 is provided with a clamping groove 102, the right part of the female head 2 is provided with a first protruding strip 201, and the male head 1 and the female head 2 are locked by the clamping groove 102 and the first protruding strip 201 after being plugged.

The first protrusion bar 201 has elasticity.

Still including cavity fixture block 11, connecting plate 901, connecting block 902, dop 903, press post 904 and

first spring part

905, 1 top left side of public head is equipped with presses splenium 101, 9 top middle parts of first casing articulate there is connecting plate 901, connecting plate 901 upper left side rigid coupling has connecting block 902, connecting block 902 left side below rigid coupling has dop 903, connecting block 902 upper surface rigid coupling has presses post 904, press post 904 to be located and press under

splenium

101, 10 top middle part rigid couplings of second casing have cavity fixture block 11, first casing 9 and second casing 10 block 11 inside locking of cavity fixture block through dop 903 card income.

The pressing part 101 at the top left side of the male head 1 is easy to deform.

When the male head 1 and the female head 2 are inserted together, the first convex strip 201 at the right part of the female head 2 is clamped into the clamping groove 102 at the left part of the male head 1 to realize locking, so as to be not easy to separate and isolate rainwater, when the first housing 9 and the second housing 10 are plugged together, the pressing column 904 is pressed down by pressing the pressing part 101, the pressing column 904 drives the connecting plate 901 and the chuck 903 to incline through the connecting block 902, so that the projection at the left part of the chuck 903 is consistent with the opening at the middle part of the hollow fixture block 11, and then the first shell 9 and the second shell 10 are inserted together, that is, the cartridge 903 is inserted into the inside of the hollow cartridge 11, and then the pressing portion 101 is released, and then the cartridge 903 is returned to the initial state by the first spring member 905, and then the cable is clamped into the hollow clamping block 11, so that the first shell 9 and the second shell 10 are tightly plugged together, and the first shell 9 and the second shell 10 are prevented from being separated when the cable is pulled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An energy-conserving waterproof cable connects which characterized in that: comprises a male head (1) and a female head (2), wherein the male head (1) and the female head (2) are connected in a plugging manner;

the connector is characterized by further comprising a first shielding cover (3) and a second shielding cover (4), wherein the second shielding cover (4) is inserted into the first shielding cover (3), the right part of the outer surface of the male head (1) is fixedly connected with the first shielding cover (3), the left part of the outer surface of the female head (2) is fixedly connected with the second shielding cover (4), the left part of the first shielding cover (3) is provided with a bent arc part (31) and a clamping part (32), the bent arc part (31) and the clamping part (32) are uniformly formed with the inner wall of the first shielding cover (3), the bent arc part (31) and the clamping part (32) are respectively formed into cantilevers, so that the bent arc part (31) and the outer wall of the first shielding cover (3) form an annular space, the clamping part (32) and the outer wall of the first shielding cover (3) form another annular space, and the another annular space is located in the annular space; the bent arc part (31) extends towards the direction of the second shielding cover (4), the extension direction of the clamping part (32) is the insertion direction of the second shielding cover (4), and the clamping part (32) extends into the annular space formed by the bent arc part (31) and the outer wall of the first shielding cover (3);

a bent part (41) is arranged at the right part of the second shielding cover (4), the first shielding cover (3) locks the bent part (41) of the second shielding cover (4) through the bent arc part (31) and the clamping part (32) to realize the tight splicing of the first shielding cover (3) and the second shielding cover (4), and the first shielding cover (3) and the second shielding cover (4) are used for preventing water; before the first shielding cover 3 and the second shielding cover 4 are spliced together, manually pulling the two first stretching blocks 5 and the two second stretching blocks 6 to move reversely to elongate the left part of the first shielding cover 3, so that the distance between the bent arc part 31 and the clamping part 32 of the first shielding cover 3 can be increased, when the second shielding cover 4 is inserted, the bent part 41 of the second shielding cover 4 can be inserted into a channel formed by the bent arc part 31 and the clamping part 32 in a bending way, after the two first stretching blocks 5 and the two second stretching blocks 6 are loosened, the second shielding cover 4 is not stretched by external force, and the bent part 41 of the second shielding cover 4 is clamped through the bent arc part 31 and the clamping part 32, so that the first shielding cover 3 and the second shielding cover 4 are spliced together tightly;

still including public metal terminal (7), female metal terminal (8), first casing (9) and second casing (10), the movable grafting in left part has first casing (9) in public head (1), the movable grafting in right part has second casing (10) in female head (2), the inside rigid coupling of first casing (9) has two public metal terminal (7), and two public metal terminal (7) and public first (1) inner wall contact, the inside rigid coupling of second casing (10) has two female metal terminal (8), and two female metal terminal (8) and female first (2) inner wall contact, two public metal terminal (7) right parts are used for connecting the cable, two female metal terminal (8) left part are connected and are used for the cable, public metal terminal (7) are connected with female metal terminal (8) plug.

2. An energy saving and water proof cable joint according to claim 1, characterized in that: the first shield cover (3) and the second shield cover (4) have extensibility.

3. An energy saving and water proof cable joint according to claim 2, characterized in that: still including first tensile piece (5) and second tensile piece (6), public first (1) surface right part rigid coupling has two first tensile pieces (5), and first cover (3) surface left part rigid coupling that shields has two second tensile pieces (6), and second casing (10) are still including installation piece (1001) and fastening stud (1002), and the side all has one installation piece (1001) through two fastening stud (1002) bolted connection around second casing (10) right part.

4. An energy saving and water proof cable joint according to claim 3, characterized in that: the front male metal binding post (7) comprises a first connecting main body (71), an inserting column (72), a first arc-shaped block (73), a first fastening part (74) and a first connecting column (75); anterior rigid coupling has first connecting body (71) in first casing (9), first connecting body (71) left side rigid coupling has the spliced pole (72) of four annular array, spliced pole (72) are used for inserting female metallic binding post (8) inside, first connecting body (71) right part rigid coupling has first connecting post (75), first connecting post (75) are used for supplying the cable winding, the first connecting body (71) right-hand member face first connecting post (75) outside is connected with first arc piece (73), the rigid coupling has at least two sets of first fastening component (74) on first arc piece (73), every first fastening component of group (74) comprises two easy metal strips of buckling, first fastening component (74) are used for fixing the cable.

5. An energy saving and water proof cable joint according to claim 4, characterized in that: the front female metal binding post (8) comprises a second connecting main body (81), a second arc-shaped block (82), a second fastening part (83), a second connecting post (84), a limiting post (87) and a second convex strip (871), anterior rigid coupling has second connecting body (81) in second casing (10), second connecting body (81) left part rigid coupling has second spliced pole (84), second spliced pole (84) are used for supplying the cable winding, second connecting body (81) left end face second spliced pole (84) outside rigid coupling has second arc piece (82), the rigid coupling has at least two sets of second fastening component (83) on second arc piece (82), every group second fastening component (83) comprise by two easy bending metal strip, second fastening component (83) are used for fixing the cable, the inside rigid coupling of second connecting body (81) has spacing post (87), spacing post (87) are used for expanding four grafting posts (72).

6. An energy saving and water proof cable joint according to claim 5, characterized in that: the outer surface of the limiting column (87) is provided with a plurality of second protruding strips (871), the second protruding strips (871) are used for externally supporting four inserting columns (72), and the contact area between the inserting columns (72) and the inner wall of the second connecting main body (81) is increased.

7. An energy saving and water proof cable joint according to claim 6, characterized in that: first spliced pole (75) and second spliced pole (84) all are the spiral column for area of contact when increase and cable are connected, first arc piece (73) and second arc piece (82) inner ring face all are provided with the arch, are used for the end of a thread of fixed cable better.

8. An energy saving and water proof cable joint according to claim 7, characterized in that: mother metal terminal (8) in the place ahead still is including first rust cleaning subassembly (85) and second rust cleaning subassembly (86), second connecting body (81) right part is connected with first rust cleaning subassembly (85) of two symmetries, two first rust cleaning subassembly (85) right sides in second connecting body (81) right part are connected with second rust cleaning subassembly (86) of two symmetries, two first rust cleaning subassembly (85) and two second rust cleaning subassembly (86) staggered distribution, first rust cleaning subassembly (85) and second rust cleaning subassembly (86) are used for detaching the iron rust of second arc piece (82) surface, first rust cleaning subassembly (85) are including second spring part (851) and arc scraping plate (852), second connecting body (81) surface right part bolted connection has second spring part (851), second spring part (851) right part rigid coupling has arc scraping plate (852).

9. An energy saving and water proof cable joint according to claim 8, characterized in that: a clamping groove (102) is formed in the left portion of the male head (1), a first protruding strip (201) is arranged in the right portion of the female head (2), and the male head (1) and the female head (2) are locked through the clamping groove (102) and the first protruding strip (201) after being connected in an inserting mode.

10. An energy saving and water proof cable joint according to claim 9, characterized in that: still including cavity fixture block (11), connecting plate (901), connecting block (902), dop (903), press post (904) and first spring part (905), public first (1) top left side is equipped with presses splenium (101), first casing (9) top middle part articulates there is connecting plate (901), connecting plate (901) upper left side rigid coupling has connecting block (902), connecting block (902) left side below rigid coupling has dop (903), connecting block (902) upper surface rigid coupling has presses splenium (904), press splenium (904) to be located and press splenium (101) under, second casing (10) top middle part rigid coupling has cavity fixture block (11), first casing (9) and second casing (10) are gone into cavity fixture block (11) internal locking through dop (903) card, public first (1) top left side (101) easily deform.