CN1321485C

CN1321485C - Connecting device for wire

Info

Publication number: CN1321485C
Application number: CNB021238952A
Authority: CN
Inventors: 林原
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-08
Filing date: 2002-07-08
Publication date: 2007-06-13
Anticipated expiration: 2022-07-08
Also published as: JP2004039637A; ATE392031T1; CA2434987C; EP1381114A3; DE60320185D1; CA2434987A1; EP1381114B1; DE60320185T2; JP3889730B2; KR100985777B1; EP1381114A2; KR20040005608A; CN1467881A

Abstract

The present invention relates to a conducting wire connecting device which comprises a first conducting wire, a connecting male seat, a male seat terminal set, a second conducting wire, a connecting female seat, a female seat terminal set, etc., wherein the first conducting wire and the second conducting wire can be respectively fixedly locked on the connecting male seat and the connecting female seat by fixing bolts, and a sealing ring can be placed in a groove of the connecting female seat. When the connecting male seat is combined with the connection female seat, the sealing ring in the groove can be butted and pressed by a convex post of the connecting male seat to form a sealing structure. Thus, the integral structure can be simplified, and the quality and the practicability of the conducting wire connecting device can be enhanced.

Description

The jockey of lead

Technical field

The present invention is a kind of " jockey of lead ", refers to especially as the jockey between two leads, is applicable to that the lead of No. 91107787 and No. 91,107,788 two preceding case of application of designer's previous application of the present invention connects.

Background technology

General wire connection device commonly used, as Figure 10 and shown in Figure 12, formed by numerous assembly, comprise at least a male seat body 1, a mother seat body 2, a male seat terminal to 3, one female seat terminal to the coating colloid 6 of the coating colloid 5 of 4, first lead, second lead, one first holder 7, one second holder 8, an and connection cover 9; Wherein:

The coating colloid 6 of this second lead, after penetrating mother seat body 2 inside, utilize preformed hole 6C to implant the female seat terminal to 4, make the main line 6a of second lead be connected mutually 4 with the female seat terminal, because mother seat body 2 back segments have external screw thread 2a, and has internal thread 8a in second holder 8, the laying of internal thread 8a is and has a tapering, then when second holder 8 is locked in mother seat body 2, the 2b of the portion that is convexly equipped with in mother seat body 2 back segments can bite the coating colloid 6 of second lead, mother seat body 2 leading portions have external screw thread 2C in addition, as Figure 10, shown in Figure 11;

This connection cover 9 has internal thread 9a, is sheathed on earlier on the male seat body 1;

The coating colloid 5 of this first lead, after penetrating male seat body 1 inside, utilize preformed hole 5C to implant the male seat terminal to 3, the main line 5a of the lead of winning is connected 3 mutually with the male seat terminal, because male seat body 1 back segment has external screw thread 1a, and has internal thread 7a in first holder 7, the laying of internal thread 7a is and has a tapering, when then the external screw thread 2C that is locked in mother seat body 2 leading portions when connection cover 9 goes up, the female seat terminal penetrates the male seat terminal to being connected among 3 the shrinkage pool 3a and mutually to 4, first holder 7 is locked on the male seat body 1, and the 1b of the portion that is convexly equipped with in male seat body 1 back segment can bite the coating colloid 5 of first lead, as shown in figure 12; To reach the purpose that connects lead.

The bed knife that the 1b of the portion that is convexly equipped with in this male seat body 1 back segment and the coating colloid of first lead are 5, system is with vertically to effect, then only depend on this to be convexly equipped with the snap-in force that the 1b of portion bestows coating colloid 5 outsides of first lead, its fixed effect is probably very limited, therefore, in the use of reality, it is not enough that the tensile strength of lead is still disliked; In like manner, the bed knife deficiency of 6 in the coating colloid of this mother seat body 2 and second lead; Therefore, Chang Yong wire connection device is not desirable to the greatest extent yet.

Moreover, wire connection device commonly used, by male seat body 1, mother seat body 2, male seat terminal to 3, the female seat terminal to the coating colloid 6 of the coating colloid 5 of 4, first lead, second lead, first holder 7, second holder 8, and connection cover 9 formed, constituent components is numerous, then not only manufacturing cost is higher, and in assembling, during the consumption expenses of labour.

In addition, wire connection device commonly used, maximum practicality disappearance is: 1b of the portion that is convexly equipped with in this male seat body 1 back segment and 5 in the coating colloid of first lead have the problem of infiltration (or infiltration aqueous vapor), and under capillarity, the male seat terminal is to 3 drawbacks that short circuit or corrosion promptly arranged; In like manner, between the coating colloid 6 of this mother seat body 2 and second lead, same defective is arranged also.

At last, first holder 7, second holder 8, and connection cover 9 be all screw assembly, has the drawback that on male seat body 1 and mother seat body 2, gets loose, then male seat body 1 is uncertain with the associativity of mother seat body 2, and phenomenon in case first holder 7 or second holder 8 or connection cover 9 get loose slightly, must form many slits on the structure, the problem of its infiltration (or infiltrating aqueous vapor) is serious more increasingly, and also will significantly reduce the tensile strength of lead.

Based on above-mentioned cause, designer of the present invention actively conceives and actual tests, develops then the simplification overall structure, and can significantly promote the present invention of its quality and practicality.

Summary of the invention

Main purpose of the present invention be to provide a kind of jockey of lead, and this device obviously possesses following advantage, feature and purpose:

The first, apparatus of the present invention have at least one waterproof measure, and therefore, water proofing property is more more certain than jockey commonly used.

The second, apparatus of the present invention have can with pull external force tension power in the same way, therefore, the tensile strength of lead is stronger than jockey commonly used.

Three, apparatus of the present invention have the characteristic of terminal to being easy to import and fix.

Four, apparatus of the present invention meet the requirement of safety, connect male seat and be connected female seat after button is solid, and it is safer to be difficult for getting loose; Especially, in second embodiment and the 3rd embodiment, need to be inserted by instrument, the beginning can be removed the solid state of button, and has more fail safe than syndeton commonly used.

Five, apparatus of the present invention member is simplified, and assembly lacks than jockey member commonly used, not only can simplify structure and is easy to assemble, and can reduce manufacturing cost.

Six, apparatus of the present invention positioning combination fast, in use, the action of assembling is very simple and rapidly, associativity is better than jockey commonly used.

Seven, apparatus of the present invention, further can be in connecting between male seat and first lead, being connected between the female seat and second lead, all be provided with one deck waterproof body, and form the waterproof measure in the 3rd road, promote to connect between male seat and first lead, to be connected the water proofing property between the female seat and second lead.

For achieving the above object, the technical solution used in the present invention is as follows:

A kind of jockey of lead comprises that one first lead, connects male seat, a male seat terminal group, one second lead, a connection female seat, reaches a female seat terminal group;

This first lead has pair of parallel and disjoint main line, and is coated with an outer fixed body, and forms a lead;

This connects male seat, formed by first housing and first sealing ring, the rear end of first housing has class's section, and inside is an accommodation space, be provided with one deck waterproof body in the accommodation space, the front end of first housing has a projection, and projection is provided with a ring-shaped groove to overlap solid first sealing ring, and projection inside is provided with two shrinkage pools and perforating;

This male seat terminal group, right by the terminal that the male seat terminal and first set bolt are formed, to insert respectively in two shrinkage pools of first housing, the male seat terminal is a U font metal assembly, central portion has a punching, and two wing tips are provided with shell fragment, after first set bolt passes punching, and the perforating in first housing, be screwed together in the outer fixed body of first lead, be connected mutually with main line, and with first lead fixed in the accommodation space of first housing, simultaneously fixedly the male seat terminal in shrinkage pool;

This second lead has pair of parallel and disjoint main line, and is coated with an outer fixed body, and forms a lead;

This connects female seat, formed by second housing and second sealing ring, the rear end of second housing has class's section, and inside is an accommodation space, be provided with one deck waterproof body in the accommodation space, the inner groove that forms of the front end of second housing has a pair of perforating on the axial wall of groove, and the joining place of groove and axial wall is provided with a ring-shaped groove, to insert second sealing ring;

This female seat terminal group, right by the terminal that second set bolt is formed, the nut portion of second set bolt forms long extension contact-segment, the perforating of second set bolt in second housing, be screwed together in the outer fixed body of second lead, be connected mutually with main line, and with second lead fixed in the accommodation space of second housing;

And this connection male seat is when being connected female seat and combining, the projection of first housing is inserted in the groove of second housing, and the nut portion of two second set bolts penetrates just respectively in two shrinkage pools of first housing, be subjected to the shell fragment clamping of male seat terminal, second sealing ring compresses down at the projection of first housing, form first seal structures, and first sealing ring under compressing, the groove wall of second housing forms second seal structures.

Use beneficial effect of the present invention to be:

1, with regard to " water proofing property ", apparatus of the present invention have at least one waterproof measure, and therefore, water proofing property is more more certain than device commonly used; And,, and has preferable sealing effect so first seal structures of this device is a forward packing power because the power that compresses of projection 23 second sealing ring 52 of bestowing of first housing 21 in vertical direction; Moreover the groove 53 of second housing 51 further is provided with a conical surface 531 in internal face, and forms good packing relation with first sealing ring 22, so second seal structures of this device has preferable sealing effect.

2, with regard to " pull resistance ", apparatus of the present invention have can with pull external force tension power in the same way, therefore, the comparable device commonly used of the tensile strength of

lead

10,40 is strong; This first lead 10 is screwed together on the outer fixed body 13 by first set bolt 32, and is fixed in the accommodation space 26 of first housing 21, with form one can with pull external force tension power in the same way; And this second lead 40 is screwed together on the outer fixed body 43 by second set bolt 61, and is fixed in the accommodation space 56 of second housing 51, form one can with pull external force tension power in the same way.

3, with regard to " associativity ", apparatus of the present invention have terminal and import and fixing characteristic being easy to; Promptly, the nut portion 62 of second set bolt 61 (female seat terminal) is easy to import in the shrinkage pool 27 of first housing 21, and after importing, this nut portion 62 (female seat terminal), can be subjected at least one pair of shell fragment 35 clamping, and form the good fixed relationship that is connected with male seat terminal 31.

4, with regard to " fail safe ", apparatus of the present invention meet the requirement of safety; In preferred embodiment, the fixed leg 580 that this connects female seat 50 is inserted in two fixing holes 510 that connect on the female seat 50 and connects fixing hole 280 on the male seat 20, is solidly connected male seat 20 and is connected female seat 50 with button, therefore, is difficult for getting loose and safer; The lug 511 of this second housing 51 is embedded in the recess 211 of first housing 21, is solidly connected male seat 20 and is connected female seat 50 with button, when dismantling as desire, need to be inserted by special tool(s), the beginning can be removed the solid state of button of recess 211 and lug 511, therefore, be difficult for getting loose and meet the requirement of safety; This recess 213 and lug 515 when dismantle as desire, need to be inserted by special tool(s) after button is solid, and the beginning can be removed the solid state of button of recess 213 and lug 515, and so reach to be difficult for getting loose and meet the requirement of safety.

5, with regard to " member simplification ", apparatus of the present invention are removed outside first lead 10 that the institute desire is connected and second lead 40 disregard, this device only has a connection male seat 20, a male seat terminal group 30, connects female seat 50, reaches a female seat terminal group 60, assembly lacks than the assembly of existing apparatus, not only designs simplification and be easy to assembling and further reaches the purpose that reduces cost.

6, with regard to " associativity ", apparatus of the present invention are positioning combination fast; When desiring in conjunction with connection male seat 20 and being connected female seat 50, the lug 511 of this second housing 51 by the inclined plane 513 of lug 511 front ends, slips over the stop portion 212 that the recess 211 of first housing 21 is convexly equipped with easily, make that location hole 512 and stop portion 212 are chimeric fast, button is solid mutually; The lug 515 of this second housing 51 slips over the inclined plane 215 on the reference column 214 easily, make that location hole 516 and reference column 214 are chimeric fast, and button is fixed in the recess 213 of first housing 21.

Description of drawings

Feature of the present invention, technological means and the concrete function of being reached, purpose enumerate one below than specific embodiment, continue describe in detail with graphic, figure number as after:

Graphic being described as follows:

Fig. 1 is the schematic perspective view of apparatus of the present invention preferred embodiment;

Fig. 2 A, 2B are the perspective exploded view of apparatus of the present invention preferred embodiment;

Fig. 3 is the A-A profile of apparatus of the present invention preferred embodiment;

Fig. 4 is the B-B profile of apparatus of the present invention preferred embodiment;

Fig. 5 is the schematic perspective view of apparatus of the present invention second embodiment;

Fig. 6 is the three-dimensional exploded view of apparatus of the present invention second embodiment;

Fig. 7 is the C-C profile of apparatus of the present invention second embodiment;

Fig. 8 is the schematic perspective view of apparatus of the present invention the 3rd embodiment;

Fig. 9 is the three-dimensional exploded view of apparatus of the present invention the 3rd embodiment;

Figure 10 does not connect preceding generalized section for usual means;

Figure 11 is the generalized section after usual means has connected;

Figure 12 is the generalized section after the usual means locking.

Embodiment

As shown in Figures 1 to 4, this device comprises that one first lead 10, connects male seat 20, a male seat terminal group 30, one second lead 40, a connection female seat 50, reaches a female seat terminal group 60; Wherein:

This first lead 10 has pair of parallel and disjoint

main line

11,12, through extrusion molding processing, and coats an outer fixed body 13, to form a lead;

This connects male seat 20, formed by first housing 21 and first sealing ring 22, the rear end of first housing 21 has class's section 24, and inside is an accommodation space 26, plug for first lead 10, the front end of first housing 21 then has a projection 23, and it is solid for first sealing ring, 22 covers that projection 23 is provided with a ring-shaped groove 25, projection 23 inside are provided with two shrinkage pools 27, and on the axial wall of shrinkage pool 27, have 27 the formed flanks 28 of perforating 270, two shrinkage pools that are through to accommodation space 26 and be provided with fixing hole 280;

This male seat terminal group 30, right by the terminal that the male seat terminal 31 and first set bolt 32 are formed, insert respectively in two shrinkage pools 27 of first housing 21, male seat terminal 31 is a U font metal assembly, central portion has a punching 33, wear for first set bolt 32, and two wing tips are provided with shell fragment 35, perforating 270 in first housing 21, first set bolt 32 is connected with

main line

11,12 mutually by the outer fixed body 13 that thread segment 34 screws togather first lead 10, and first lead 10 is fixed in the accommodation space 26 of first housing 21, with form one can with pull external force tension power in the same way, simultaneously fixedly male seat terminal 31 in shrinkage pool 27;

This second lead 40 has pair of parallel and disjoint main line 41,42, through extrusion molding processing, and coats an outer fixed body 43, to form a lead;

This connects female seat 50, formed by second housing 51 and second sealing ring 52, the rear end of second housing 51 has class's section 54, and inside is an accommodation space 56, plug for second lead 40, the front end inside of second housing 51 then forms a groove 53, has a pair of perforating 570 that is through to accommodation space 56 on the axial wall 57 of groove 53, and groove 53 is provided with a ring-shaped groove 55 with the joining place of axial wall 57, be extended with a clasp 58 to insert second sealing ring, 52, the second housings 51, and clasp 58 tail ends has a fixed leg 580, and second housing 51 is provided with for fixed leg 580 and inserts two solid fixing holes 510 of button in the appropriate position, two sides;

This female seat terminal group 60, right by the terminal that second set bolt 61 is formed, the nut portion 62 of second set bolt 61 forms long extension contact-segment, with as the female seat terminal, and 570, the second set bolts 61 of the perforating in second housing 51 are connected with main line 41,42 mutually by the outer fixed body 43 that thread segment 64 screws togather second lead 40, and second lead 40 is fixed in the accommodation space 56 of second housing 51, form one can with pull external force tension power in the same way;

When connecting male seat 20 and being connected female seat 50 and combining, the projection 23 of first housing 21 is inserted in the groove 53 of second housing 51, and the nut portion 62 of two second set bolts 61 penetrates respectively in two shrinkage pools 27 of first housing 21, be subjected to shell fragment 35 clampings of male seat terminal 31, and form good linking, simultaneously, second sealing ring 52 compresses down at the projection 23 of first housing 21, form first seal structures, and first sealing ring 22 compresses down at groove 53 walls of second housing 51, form second seal structures, significantly promote its practicality and quality, reach the prolongation product purpose in useful life.

As shown in Figure 3 and since the power that compresses of projection 23 second sealing ring 52 of bestowing of first housing 21 for vertically to, and forward packing power, therefore, first seal structures will have more certain sealing effect; Moreover, when first set bolt 32 screws in the outer fixed body 13 of first lead 10, because of the external diameter of its thread segment 34 must be greater than

main line

11,12 external diameter, so after screwing togather, the thread segment 34 outer fixed body 13 that not only can lock really, and form one can with pull external force tension power in the same way, and the volume of thread segment 34 also makes outer fixed body 13 outwards strut, and under accommodation space 26 restriction of first housing 21, forms with the internal face of accommodation space 26 to closely cooperate; Similarly, the accommodation space 56 of second set bolt 61 and second housing 51, also formation closely cooperates.

As shown in Figure 4, when connecting male seat 20 and being connected female seat 50 and combining, the fixed leg 580 of this connection female seat 50 is inserted in the fixing hole 280 of two fixing holes 510 of second housing 51 and first housing 21, and button is solidly connected male seat 20 and is connected female seat 50, guarantees the fastening force of two seal structures.

(1), this male seat terminal 31, further in the two side ends of central portion, be provided with another to shell fragment 37, make the nut portion 62 of second set bolt 61 be subjected to two pairs of

shell fragment

35,37 clampings simultaneously, and form good joining relation with male seat terminal 31;

(2), this first set bolt 32, further the front end at thread segment 34 is provided with a lead segment 36, the set bolt 32 of winning is easier to screw in the outer fixed body 13 of first lead 10 and screws togather, and under the coating effect of outer fixed body 13, lead segment 36 is extremely pushed

main line

11,12 and is guaranteed joining relation; Similarly, this second set bolt 61, further the front end at thread segment 64 is provided with a lead segment 66;

(3), the lead segment 36 of this first set bolt 32, further form a sharp-pointed portion at tail end, make the set bolt 32 of winning be easier to screw in the outer fixed body 13 of first lead 10; Especially, first lead 10 is after the extrusion processing and forming, because of the coating of outer fixed body 13,

main line

11,12 may not necessarily expose in the end, at this moment, and the gesture that this sharp-pointed portion promptly can thrust (thrusting of similar syringe needle) makes first set bolt 32 thrust correct position, and is easier to implement; Similarly, the lead segment 66 of this second set bolt 61 further forms a sharp-pointed portion at tail end;

The groove 53 of this second housing 51, inner wall surface thereof are planar structure or cone structure, and when inner wall surface thereof is planar structure, make further again that the inboard is a conical surface 531, and are divided into two sections internal faces; That is,, and form good packing relation, be the feasible pattern of the present invention's second seal structures as long as first sealing ring 22 is subjected to compressing of groove 53 walls.

10 in this connection male seat 20 and first lead, further in accommodation space 26, be provided with one deck waterproof body 15, (waterproof material is polyolefin plastics (EVA) foam or silicon rubber (Silicone Rubber), when the outer fixed body 13 of first set bolt 32 locking, first lead 10, first lead 10 is urgent on waterproof body 15, the internal face of waterproof body 15 and accommodation space 26 forms and closely cooperates, and promotes the water proofing property that connects 10 in male seat 20 and first lead; Equally, this connects

female seat

50 and 40 in second lead, further is provided with one deck waterproof body 45 in accommodation space 56, and promotes the water proofing property of 40 in connection female seat 50 and second lead.

To shown in Figure 7, in a second embodiment, on the whole the formation of this device goes up identical with preferred embodiment person as Fig. 5, and difference is in the fixed form of connection male seat 20 when being connected female seat 50 and combining; Wherein:

This first housing 21 further omits fixing hole 280, and be provided with a recess 211 in end face and bottom surface, and the appropriate position of recess 211 convexes with a stop portion 212;

This second housing 51, further omit fixing hole 510, clasp 58, reach fixed leg 580, and extend a lug 511 that matches with the recess 211 of first housing 21 in end face and bottom surface, and the appropriate position of lug 511 has a location hole 512, and the medial surface of lug 511 front ends has an inclined plane 513;

When connecting male seat 20 and being connected female seat 50 and combining, the projection 23 of first housing 21 is inserted in the groove 53 of second housing 51, and the lug 511 of second housing 51, be embedded in the recess 211 of first housing 21, the front end of lug 511 is by the effect on inclined plane 513, and slips over the stop portion 212 that recess 211 is convexly equipped with, and button is solid mutually with stop portion 212 to make location hole 512, not only simple in structure and easy to manufacture, and reach the purpose of quick positioning combination.

As shown in Figure 6, this recess 211 and lug 511 are the V-type structure cooperatively interact, and place, the tip of V-type, are tool one flat part or modify with fillet part.

To shown in Figure 9, in the 3rd embodiment, it is identical with the second embodiment person that on the whole the formation of this device goes up as Fig. 8, and difference is in the fixed form of connection male seat 20 when being connected female seat 50 and combining; Wherein:

This first housing 21 further is provided with a recess 213 in end face and bottom surface, and the appropriate position of recess 213 convexes with a reference column 214, has an inclined plane 215 on the reference column 214;

This second housing 51 further extend a lug 515 that matches with the recess 213 of first housing 21 in end face and bottom surface, and the appropriate position of lug 515 has a location hole 516;

When connecting male seat 20 and being connected female seat 50 and combining, the projection 23 of first housing 21 is inserted in the groove 53 of second housing 51, and the lug 515 of second housing 51, be embedded in the recess 213 of first housing 21, the front end of lug 515, and slipping over inclined plane 215 on the reference column 214, button is solid mutually with reference column 214 to make location hole 516, and reaches the purpose of quick positioning combination.

As shown in Figure 8, the front end of this lug 515 further is tool one flat part 517 (or fillet part), make recess 213 and lug 515 after button is solid, 213 of flat part 517 and recesses leave suitable clearance, for the insertion of instrument, and the solid state of the button of releasing recess 213 and lug 515.

As shown in Figure 8, this second housing 51 further is provided with the shallow trench 518 that a shape matches with lug 515 in end face and bottom surface, and after recess 213 and lug 515 buttons were solid, this shallow trench 518 was tool with recess 213 and goes out an oval-shaped structure; To promote the attractive in appearance and texture of product.

As shown in Figure 4, when the cross section of first lead 10 and second lead 40 was rectangle, the cross section that connects male seat 20 and connection female seat 50 was corresponding rectangle, and the cross section of second and third embodiment is a rectangle; Yet when if the cross section of first lead 10 and second lead 40 be circular or oval, the cross section that connects male seat 20 and connect female seat 50 also can be embodied as corresponding circle or ellipse, and the cross section of second and third embodiment is a circle or oval; This is all feasible pattern of the present invention.

Claims

1. the jockey of a lead comprises that one first lead, connects male seat, a male seat terminal group, one second lead, a connection female seat, reaches a female seat terminal group; It is characterized in that:

2. the jockey of lead according to claim 1 is characterized in that:

The end face of this first housing and bottom surface are provided with a recess, and the appropriate position of recess convexes with a reference column, have an inclined plane on the reference column;

A lug that matches with the recess of first housing is extended in the end face of this second housing and bottom surface, and the appropriate position of lug has a location hole;

And this lug, behind the inclined plane that slips on the reference column, the location hole on the lug is embedded in reference column, and button is fixed in the recess of first housing, to fix first housing and second housing.

3. the jockey of lead according to claim 2 is characterized in that:

The front end of this lug further is tool one flat part, makes recess after button is solid, leaves suitable clearance between flat part and recess;

This second housing further is provided with the shallow trench that a shape matches with lug in end face and bottom surface, and after recess and lug button were solid, this shallow trench and recess were tool and go out an oval-shaped structure.

4. the jockey of lead according to claim 1 is characterized in that:

The end face of this first housing and bottom surface are provided with a recess, and the appropriate position of recess convexes with a stop portion;

The end face of this second housing and bottom surface are extended with a lug that matches with the recess of first housing, and the appropriate position of lug has a location hole, and the medial surface of lug front end has an inclined plane;

And this stop portion behind the inclined plane that slips over the lug front end, is embedded in the location hole on the lug, and fixes first housing and second housing.

5. the jockey of lead according to claim 1 is characterized in that:

This first housing, formed flank place is provided with a fixing hole between two shrinkage pools;

This second housing is extended with a clasp, and the clasp tail end has a fixed leg, and the appropriate position, two sides of second housing is provided with for fixed leg and inserts two solid fixing holes of button;

And this fixed leg is inserted in the fixing hole of two fixing holes of second housing and first housing, and fixes first housing and second housing.

6. the jockey of lead according to claim 1 is characterized in that:

This male seat terminal further in the two side ends of central portion, is provided with another to shell fragment.

7. the jockey of lead according to claim 1 is characterized in that, this first set bolt and second set bolt, and further the front end at thread segment is provided with a lead segment; And this lead segment further forms a sharp-pointed portion at tail end.

8. the jockey of lead according to claim 1 is characterized in that, the groove of this second housing further in the inboard of internal face, has a conical surface, and is divided into two sections internal faces.

9. the jockey of lead according to claim 1 is characterized in that, this waterproof body is made or silicon rubber is made for waterproof material polyolefin plastics foam.

10. the jockey of lead according to claim 1 is characterized in that, the cross section of this first lead and second lead is rectangle, circle or when oval, and the cross section that connects male seat and connect female seat is corresponding rectangle, circle or ellipse.

11. the jockey of lead according to claim 2 is characterized in that:

The front end of this lug further is tool one fillet part, makes lug after button is solid, leaves suitable clearance between fillet part and lug.