CN1599146A

CN1599146A - Connector

Info

Publication number: CN1599146A
Application number: CNA2004100780461A
Authority: CN
Inventors: 仓崎直树
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2003-09-18
Filing date: 2004-09-20
Publication date: 2005-03-23
Anticipated expiration: 2024-09-20
Also published as: TW200531379A; CN100590935C; TWI374589B; KR200366946Y1

Abstract

The object of invention is to provide a connector having a fall-off prevention structure, with improved fall-off prevention effect. A male connector, into an opening part of which, a female connector is inserted and fitted, comprises two pieces of pin contacts housed in a base housing having contact pins protruding toward an opening of a base housing in parallel with a center line of the base housing, and lead parts extending from the base housing, soldered to a printed wiring board. First locking parts locking first locking means of the female connector are formed on both inside surfaces of the base housing, and further, second locking means locking second locking means of the female connector are arranged.

Description

Connector

Technical field

The present invention relates to have the connector of anti-drawing mechanism.

Background technology

In the past, such as, with the corresponding connector of high voltage in, have in the following manner, the type of anti-drawing mechanism is set, this mode is: if insertion connector and socket are correctly chimeric, even then unexpectedly be subjected to spurring under such situation with the socket wire connecting, socket still can't be extracted out (with reference to No. 3262726 documents of JP patent, particularly from inserting connector, paragraph 0019, the buckle slot 11 of Fig. 9 and buckle tab 28).Here, anti-drawing mechanism is made of the buckle slot that inserts connector and the buckle tab of socket.

But anti-drawing mechanism is 1 (1 a group), and anti-effect of extracting out is not optimal at present.

Summary of the invention

The problem that the present invention is directed to the above-mentioned past proposes, and purpose of the present invention provides a kind of connector of anti-drawing mechanism, and its anti-effect of extracting out is improved.

To achieve these goals, in the insertion connector of the 1st scheme of the present invention, 2 pin type joints that are contained in the housing main body comprise: contact tube foot, this contact tube foot are according to the mode parallel with the center line of above-mentioned housing main body, and be outstanding at the peristome of above-mentioned housing main body; Lead division, this lead division stretches out from above-mentioned housing main body, is welded on the printed circuit board (PCB), and another socket inserts above-mentioned peristome, realizes chimeric.Inside at above-mentioned housing main body is provided with the next door, and this next door is arranged at the centre of above-mentioned two contact tube foots, and outstanding according to the length greater than the front end of above-mentioned two contact tube foots.Above-mentioned two lead divisions stretch out agley to lateral outer side side mutually, and the spacing of welding portion is greater than the spacing of above-mentioned two contact tube foots.The 1st clamping part that engages the 1st snap device of above-mentioned socket is arranged at the medial surface of the two side of above-mentioned housing main body.In addition, be provided with the 2nd clamping part of the 2nd snap device of the above-mentioned socket of engaging.

According to the insertion connector of above-mentioned the 1st scheme, owing to as a plurality of anti-drawing mechanisms, the 1st clamping part and the 2nd clamping part are set, anti-effect of extracting out improves.

In the insertion connector of the 1st scheme, best, above-mentioned housing main body has above-mentioned the 2nd clamping part, and the 2nd clamping part is from about the top board of above-mentioned housing main body, and is outstanding upward.

Also can replace such scheme, in the insertion connector of the 1st scheme, above-mentioned housing main body has above-mentioned the 2nd clamping part, in the 2nd clamping part, offers the through hole that connects according to the mode parallel with above-mentioned contact tube foot.

Also can replace such scheme, in the insertion connector of the 1st scheme, above-mentioned housing main body has above-mentioned the 2nd clamping part, and the 2nd clamping part is in the scope of at least a portion of the left and right directions of the top board of above-mentioned housing main body, and is from above-mentioned top board, outstanding upward.Also can be in this occasion, above-mentioned the 2nd clamping part is in the entire scope of the left and right directions of the top board of above-mentioned housing main body, and is from above-mentioned top board, outstanding upward.In addition, best, above-mentioned the 2nd clamping part is arranged at the peristome side of the top board of above-mentioned housing main body.Best, the front of above-mentioned the 2nd clamping part is more rearward high more inclined-plane.In addition, best, clip a space between the top at least of the back of above-mentioned the 2nd clamping part and the top board of above-mentioned housing main body, its angle is the obtuse angle, or the right angle, particularly is preferably the obtuse angle.

Best, these the 2nd clamping parts are as the part of above-mentioned housing main body and integrally formed.

Replace above-mentioned scheme, in the insertion connector of the 1st scheme, above-mentioned pin type joint also can have above-mentioned the 2nd clamping part, and the 2nd clamping part stretches out according to the mode parallel with above-mentioned contact tube foot, and its leading section stretches out to the side.Best, above-mentioned the 2nd clamping part and above-mentioned contact tube foot are integrally formed.

The socket of the 2nd scheme of the present invention inserts the peristome of the insertion connector of the 1st scheme, realizes chimeric.Accommodate with the socket joint housing of above-mentioned contact tube foot chimeric bell and spigot joint and be two strands of shapes, and have the 1st snap device that engages with the 1st clamping part with the notch part that engages with above-mentioned next door.In addition, be provided with the 2nd snap device that engages with above-mentioned the 2nd clamping part.

According to the socket of the 2nd scheme, owing to as a plurality of anti-drawing mechanisms, the 1st snap device and the 2nd snap device are set, the anti-effect of extracting out improves.

In the socket of above-mentioned the 2nd scheme, preferably has following scheme.Above-mentioned bell and spigot joint has according to the female part of stretching out with above-mentioned contact tube foot chimeric mode.Above-mentioned socket joint housing has the 2nd snap device, the 2nd snap device is made of supporting axial region and 1 pair of arm, and this supporting axial region stretches out according to the mode parallel with above-mentioned female part, this arm from this support axial region the front portion about, rearward stretch out, can be along the left and right directions deflection.If according to being inserted into above-mentioned peristome, realize chimericly, then from the arm of above-mentioned the 2nd snap device, the pawl that is provided with of Tu Chu mode is in anti-extraction state by the mode that the rear portion with above-mentioned the 2nd clamping part engages laterally.If according to the rear portion that mutual approaching mode is pushed above-mentioned arm, then above-mentioned arm flex, the pawl of above-mentioned arm moves to the inside, thus, removes above-mentioned anti-extraction state.

Also can replace such scheme, in the socket of the 2nd scheme, have following scheme.Above-mentioned bell and spigot joint has according to the female part of stretching out with above-mentioned contact tube foot chimeric mode.Above-mentioned socket joint housing has above-mentioned the 2nd snap device, and the 2nd snap device stretches out according to the mode parallel with above-mentioned female part, deflection along the vertical direction.If according to being inserted into above-mentioned peristome, realize chimericly, then from the leading section of above-mentioned the 2nd snap device, the pawl that is provided with of Tu Chu mode passes the through hole of above-mentioned the 2nd clamping part and realizes engaging upward, thereby is in anti-extraction state.If push the leading section of the 2nd snap device downwards, then above-mentioned the 2nd snap device deflection, the pawl of above-mentioned leading section moves downwards, thus, removes above-mentioned anti-extraction state.

Also can replace such scheme, in the socket of the 2nd scheme, have following scheme.Above-mentioned bell and spigot joint has according to the female part of stretching out with above-mentioned contact tube foot chimeric mode.Above-mentioned socket joint housing has above-mentioned the 2nd snap device, and the 2nd snap device comprises movable part, and this movable part stretches out according to the mode parallel with above-mentioned female part; Foot, this foot stretches out upward from the top board of above-mentioned socket joint housing, by the bolster that extends along left and right directions, supports the pars intermedia of the fore-and-aft direction of above-mentioned movable part.If according to being inserted into above-mentioned peristome, realize chimericly, then from the leading section of the movable part of above-mentioned the 2nd snap device, the pawl that is provided with of Tu Chu mode is crossed above-mentioned the 2nd clamping part and is realized engaging downwards, thereby is in anti-extraction state.If push the rearward end of above-mentioned movable part downwards, then above-mentioned movable part is that central part rotates with above-mentioned bolster, and the pawl of above-mentioned leading section is moved upward, and thus, removes above-mentioned anti-extraction state.In this occasion, best, at the state that the pawl of above-mentioned leading section engages with above-mentioned the 2nd clamping part, the bottom at least of the back of the pawl of above-mentioned leading section backward around and angle between the top board that measure and above-mentioned socket joint housing is an acute angle, or right angle.

Best, above-mentioned the 2nd snap device is integrally formed as the part of above-mentioned socket joint housing.

Also can replace above-mentioned scheme, in the socket of the 2nd scheme, have following proposal.Above-mentioned bell and spigot joint comprises female part, and this female part is according to stretching out with above-mentioned contact tube foot chimeric mode; The 2nd snap device, the 2nd snap device stretches out according to the mode parallel with this female part, and its leading section engages with the leading section of above-mentioned the 2nd clamping part by pawl, this bell and spigot joint is accommodated the inside of above-mentioned socket joint housing in the mode that direction has play of stretching out along above-mentioned female part.If insert above-mentioned peristome, to realize chimericly, the leading section of then above-mentioned the 2nd snap device engages with the leading section of above-mentioned the 2nd clamping part, thus, is in anti-extraction state.If according to the above-mentioned relatively insertion connector in edge, the direction of above-mentioned anti-extraction, spur above-mentioned socket joint housing, then in the scope of above-mentioned play, move relative to above-mentioned bell and spigot joint, be arranged at the leading section of inboard press section, push open with the leading section of above-mentioned the 2nd clamping part with the 2nd snap device, thus, remove above-mentioned anti-extraction state.Best, the 2nd snap device and above-mentioned female part are integral shaping.

The connector assembly of the 3rd scheme of the present invention constitutes by inserting connector and receptacle combinations, connector in the insertion connector that this insertion connector is the 1st scheme, wherein, clip a space between the back of above-mentioned the 2nd holding section and the top board of above-mentioned housing main body, its angle is an acute angle, this socket is the socket in the socket of the 2nd scheme, wherein, in above-mentioned leading section and above-mentioned the 2nd clamping part fastening state, the pawl of above-mentioned leading section backward around and angle between the top board that measure and above-mentioned socket joint housing is acute angle or right angle.According to the connector assembly of the 3rd scheme, has the insertion connector with the 1st scheme, the effect that the socket of the 2nd scheme is identical.

Also can replace such scheme, in the connector assembly of the 3rd scheme, in the insertion connector of the 1st scheme, at least clip a space between the top of the back of above-mentioned the 2nd holding section and the top board of above-mentioned housing main body, its angle is the obtuse angle, or the insertion connector at right angle, with in the socket of the 2nd scheme, in the pawl and above-mentioned the 2nd clamping part fastening state of the leading section of the movable part of above-mentioned the 2nd snap device, the pawl of above-mentioned leading section backward around and angle between the top board that measure and above-mentioned socket joint housing to be the socket at obtuse angle combined.Equally in this occasion, has the insertion connector with the 1st scheme, the effect that the socket of the 2nd scheme is identical.

Description of drawings

Description according to the following embodiment of reference accompanying drawing can be expressly understood the present invention.But embodiment and accompanying drawing are used for simple diagram and explanation, shall not be applied to and determine scope of the present invention.The scope of the present invention claim (scope of request) appended according to the back determined.In the accompanying drawings, the label of the same parts in a plurality of accompanying drawings is represented same parts.

Fig. 1 is the perspective view of the insertion connector of the 1st embodiment of the present invention;

Fig. 2 is the perspective view of the socket of the 2nd embodiment of the present invention;

Fig. 3 is the section plan of the insertion connector of the 1st embodiment;

Fig. 4 is the insertion connector of the 1st embodiment, along the cutaway view of the IV among Fig. 3-IV line; Fig. 5 is the insertion connector of the 1st embodiment, along the cutaway view of V-V line of Fig. 3;

Fig. 6 is the perspective view of pin type joint of the insertion connector of the 1st embodiment;

Fig. 7 is the section plan of the socket of the 2nd embodiment;

Fig. 8 inserts the socket of the 2nd embodiment, is fitted to the side sectional view of the state in the insertion connector of the 1st embodiment;

Fig. 9 is the section plan of above-mentioned state;

Figure 10 is the plane graph of above-mentioned state;

Figure 11 is the perspective view of the insertion connector of the 3rd embodiment of the present invention;

Figure 12 is the perspective view of the socket of the 4th embodiment of the present invention;

Figure 13 inserts the socket of the 4th embodiment, is fitted to the end view of the state in the insertion connector of the 3rd embodiment;

Figure 14 is the plane graph of above-mentioned state;

Figure 15 is the perspective view of the insertion connector of the 5th embodiment of the present invention;

Figure 16 is the perspective view of the socket of the 6th embodiment of the present invention;

Figure 17 is the perspective view of the pin type joint of insertion connector of the 5th embodiment state relative with the bell and spigot joint of the socket of the 6th embodiment;

Figure 18 is for cutting the perspective view of seeing from the below open near the leading section with the 2nd snap fastener of the socket of the 6th embodiment;

Figure 19 is the side sectional view of the insertion connector of the 5th embodiment;

Figure 20 is the side sectional view of the insertion seat of the 6th embodiment;

Figure 21 A is the side sectional view of the state in the insertion connector that the socket of the 6th embodiment is inserted into the 5th embodiment;

Figure 21 B is for further inserting the side sectional view of the state that advances from Figure 21 A;

Figure 21 C advances the side sectional view of the chimeric state that finishes for further inserting from Figure 21 B;

Figure 21 D is the side sectional view of the state of the chimeric anti-extraction of releasing Figure 21 C;

Figure 22 is the perspective view of the insertion connector of the 7th embodiment of the present invention;

Figure 23 is the perspective view of the socket of the 8th embodiment of the present invention;

Figure 24 inserts the 1st example of the socket of the 8th embodiment, is embedded in the end view of the state in the 1st example of insertion connector of the 7th embodiment;

Figure 25 A is the 2nd holding section of the above-mentioned state of expression and the side enlarged drawing of the 2nd snap fastener;

Figure 25 B is for 1st example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 2nd example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener;

Figure 25 C is for 2nd example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 1st example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener;

Figure 25 D is for 3rd example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 1st example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener;

Figure 25 E is for 4th example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 1st example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener;

Figure 25 F inserts for the 1st example of expression with the socket of the 8th embodiment, be embedded in the 1st example of insertion connector of the 7th embodiment, then, the state that the rearward end of the movable part of the 2nd snap fastener is pressed down, the side enlarged drawing of the 2nd holding section and the 2nd snap fastener;

Figure 26 A is for 5th example of expression with the socket of the 8th embodiment inserts, and is embedded in state in the 1st example of insertion connector of the 7th embodiment, the side enlarged drawing of mutually non-touching the 2nd holding section and the 2nd snap fastener;

Figure 26 B is for 5th example of expression with the socket of the 8th embodiment inserts, and is embedded in state in the 1st example of insertion connector of the 7th embodiment, is in contact with one another the side enlarged drawing of the 2nd holding section and the 2nd snap fastener;

Figure 26 C inserts for the 5th example of expression with the socket of the 8th embodiment, be embedded in the 1st example of insertion connector of the 7th embodiment, then, the state that the rearward end of the movable part of the 2nd snap fastener is pressed down, the side enlarged drawing of the 2nd holding section and the 2nd snap fastener;

Figure 27 A is for 5th example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 3rd example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener;

Figure 27 B is for 5th example of expression with the socket of the 8th embodiment inserts, and is embedded in the 2nd holding section of the state in the 4th example of insertion connector of the 7th embodiment and the side enlarged drawing of the 2nd snap fastener.

Embodiment

At first, the insertion connector to the 1st embodiment of the present invention is described.As shown in the perspective view of Fig. 1, insert among the connector 1A at this, forwardly be among the housing main body 3A of insulating properties of case shape (flat rectangle tubular) of peristome 5, accommodate pin type joint 4, in peristome 5, the socket 2A (Fig. 2) of the 2nd embodiment that insertion will be described later, it is chimeric.As shown in the section plan of Fig. 3,2 pin type joints about 4 are contained among the housing main body 3A side by side, and it comprises contact tube foot 15 and lead division 17～19, and this contact tube foot 15 is from the rear wall 6 of housing main body 3A, according to the mode parallel, stretch out towards peristome 5 with center line C.This lead division 17～19, stretches out downwards from rear wall 6 as shown in the side sectional view of Fig. 8, is welded on the printed circuit board (PCB) 43.Printed circuit board (PCB) 43 such as, have to the power circuit of the back illumination beam component power supply of the light source that forms liquid crystal panel and the printed circuit board wiring of negative circuit.

In housing main body 3A, as shown in Figure 3, next door 7 is set, this next door 7 is from the mid portion of rear wall 6, outstanding towards peristome 5, this next door 7 is arranged between the pin type joint 4,4 as described later, according to the front end 15a greater than above-mentioned contact tube foot 15,15, the length of 15a is outstanding.In addition, the two sides in next door 7 are benchmark with the center line of housing main body 3A, are symmetrical shape, here, it is formed with the conical surface 9,9 by the short base portion parallel surface 8,8 that extends abreast with center line C, this conical surface 9,9 keeps continuously the wedge-like of pointed front end with base portion parallel surface 8,8.But, be not special the qualification along the base portion parallel surface 8,8 of fore-and-aft direction and the ratio of the conical surface 9,9, such as, also only near the portion of the most close front end 7a is the conical surface 9,9, and remainder all is a base portion parallel surface 8,8, also can integral body be the conical surface 9,9 and do not have base portion parallel surface 8,8.

In addition, with the medial surface of the two

side

10,10 of rear wall 6 adjacency, be provided with the 1st holding section (slot) 11, the 1st snap fastener (engaging tab) 28 of the socket 2A that 11,11 engagings of 11, the 1 holding sections (slot) will be explained hereinafter, 28 (Fig. 7), in addition, with the medial surface of the two

side

10,10 of peristome 5 adjacency on, be provided with gathering sill 12,12.On the other hand, on rear wall 6, be provided with the next door 13 of rearward stretching out.On this next door 13, also can have hollow space (having removed the part of pars intermedia) 13a.

Pin type joint 4,4 pass through copper, the conductive metal plate of copper alloy (brass etc.) carries out bending ram processing and makes, as shown in the perspective view of Fig. 6, rear end in contact tube foot 15, be connected with the bigger installation portion of width 16, the lead division 17～19 at rear portion that is arranged at this installation portion 16 is by mid portion 17, and foot section 18 constitutes with welding portion 19, this mid portion 17 is towards opposite lateral outer side bending, rearward extend then, this foot section 18 is from the rear end of this mid portion 17, and is crooked downwards and extend, this welding portion 19 forwards extends agley from the bottom of foot 18.In addition, as shown in Figure 3, the installation portion 16 of two

pin type joints

4,4 remains fixed on the rear wall 6 in the perforation mode,

contact tube foot

15,15 is spaced apart by next door 7, according to the mode parallel with the center line C of housing main body 3A, outstanding towards peristome 5,

welding portion

19,19 are provided with according to the mode of mutually leaving outside laterally, are contained in the inside of housing main body 3A.

In being contained in housing main body 3A and two pin type joints 4 that are provided with, 4 contact tube foot 15, in 15, its

front end

15a, 15a locatees according to the mode that move back rear wall 6 rear flank of 7 the front end 7a towards the next door, consequently, even under the situation that reduces two spacings between the

contact tube foot

15,15, still can make two front end 15a, space length between the 15a and enough big along the distance of face direction can prevent high-tension obstruction effectively.In addition, because two pin type joints 4, welding portion 19 in 4, spacing between 19 is greater than two contact tube foots 15, so spacing between 15 is even under the situation that reduces two spacings between the

contact tube foot

15,15, guarantee that still two space lengths between the welding

portion

19,19 are the length that is enough to prevent high-tension obstruction.

In addition owing to have the next door 13 that is arranged on the rear wall 6, so also guarantee between two welding

portions

19,19 along face apart from long enough.So, form following scheme, wherein, even, reduce housing main body 3A dwindling two spacings between the

contact tube foot

15,15, reduce to insert under the situation of overall volume of connector 1A, still can make two between the pin type joint 4,4 space length and along face apart from long enough, can effectively prevent high-tension obstruction.

In addition, as shown in Figure 8, in order to realize welding, the bottom of welding portion 19 is outstanding slightly from the bottom surface of housing main body 3A.In addition, as shown in Figure 1, the front bottom end in the two

side

10,10 of housing main body 3A is embedded with reinforcement 20,20.In order to weld, the bottom of this reinforcement 20 is also as shown in Figure 8, and is outstanding from the bottom surface of housing main body 3A slightly.

In inserting connector 1A, not only be provided with above-mentioned the 1st holding section 11,11 (Fig. 3), but also, the 2nd holding section 50A be set as shown in Figure 1, the 2nd holding section 50A engages the 2nd snap fastener 60A (Fig. 2) of above-mentioned socket 2A.More particularly, housing main body 3A has a pair of the

2nd holding section

50A, 50A, the

2nd holding section

50A, 50A is prism-shaped, form as the part of housing main body 3A integrally formed, from about the front portion of the top board 14 of housing main body 3A, outstanding upward.

To the 2nd embodiment of the present invention, insert among the insertion connector 1A of above-mentioned the 1st embodiment below, realize that chimeric socket is described.As shown in the perspective view of Fig. 2, this socket 2A is by socket joint housing 21A and 2 bell and spigot joints 22 of insulating properties, 22 constitute, this socket joint housing 21A has in the peristome 5 (Fig. 1) that is inserted into insertion connector 1A, realize chimeric

cylindrical body

24,24, these 2 bell and

spigot joints

22,22 as shown in the section plan of Fig. 7, connects with the end of 2

wires

45,45, be contained in respectively among the socket joint housing 21A, two bell and spigot joints are by electric wire, such as, be connected with the two ends of the back illumination beam component of the light source that forms liquid crystal panel.

In two socket joint housing 21A, as shown in Figure 2, it is flat rectangular-shaped that the contour shape of the bottom the 2nd snap fastener 60A that will describe except the back is, at first half, the notch part 23 that engages with the next door 7 (Fig. 3) of inserting connector 1A is set, thus, form two strands of shapes that constitute by a pair of cylindrical body 24,24.Each cylindrical body 24 is as shown in Figure 7, have hollow bulb 25, this hollow bulb 25 is accommodated respectively and is kept bell and spigot joint 22, this hollow bulb 25 to extend to the rear end of socket joint housing 21A, the bell and spigot joint 22 that is connected with electric wire 45 is contained in the hollow bulb 25 from open rearward end 26.In addition, at the leading section of each cylindrical body 24, offer the jack 27 of the contact tube foot 15 (Fig. 3) of pin type joint 4.

On the other hand, at the leading section lateral surface of two

cylindrical body

24,24, be provided with the 1st holding section 11,11 (Fig. 3) engaging of the 1st snap fastener the 28,28, the

1st snap fastener

28,28 and the inboard that is arranged at the housing main body 3A that inserts connector 1A.In addition,, on the two sides, rear end of socket joint housing 21A, be equipped with the prominent bar 29,29 of guiding, gathering sill 12,12 (Fig. 1) engaging of the prominent bar 29,29 of this guiding and the inboard that is arranged at the housing main body 3A that inserts connector 1A as shown in Figure 2.Relative two sides in the above-mentioned notch part 23 are according to forming with the corresponding mode in the two sides in next door 7.

The bell and spigot joint 22 of Fig. 7 forwardly comprises female part 32, and this female part 32 is chimeric with contact tube foot 15 (Fig. 3), at the rear portion, comprises the pressure contact portion 33 of electric wire, in the middle part, is provided with the anti-lance shape pipe 34 of extracting usefulness out.The bell and spigot joint 22 that is connected with electric wire 45 is from open rearward end 26, insert hollow bulb 25, as shown in the side sectional view of Fig. 8, relatively according to the roof from cylindrical body 24, Tu Chu mode is arranged at the stage portion 35 of the inboard of socket joint housing 21A downwards, lance shape pipe 34 deflections of claw-like, cross and be returned to original height, realize engaging, in this occasion, stop bell and spigot joint 22 from socket joint housing 21A, to be extracted out, be contained among this socket joint housing 21A.In the time the socket 2A of such assembling must being disassembled, not with insert the chimeric state of connector 1A, jack 37 from the top of the jack 27 that is arranged at above-mentioned contact plug portion 15, insert the instrument of pin shape, from stage portion 35, lance shape pipe 34 is pressed off downwards, thus, remove the anti-extraction state of bell and spigot joint 22, it is extracted out from socket joint housing 21A.

In this socket 2A,,, also be provided with the 2nd snap fastener 60A that engages with the 2nd holding section 50A (Fig. 1) of above-mentioned insertion connector 1A except having above-mentioned the

1st snap fastener

28,28 as shown in Figure 2.More particularly, socket joint housing 21A has the 2nd snap fastener 60A, the 2nd snap fastener 60A is made of with 1 pair of arm 62,62 axle support 61, this support 61 is according to stretching out along the mode parallel with above-mentioned female part 32 (Fig. 7), this arm 62,62 rearward stretches out from about the front portion of this support 61, can be along the left and right directions deflection, as the part of socket joint housing 21A and integrally formed.The bottom of the base portion (rear portion) of axle support 61 is as shown in Figure 8, mainly be connected with top rear 36b, this top rear 36b is according to the mode that forms the discrepancy in elevation and as above-mentioned cylindrical body 24, the anterior 36a of the top board of 24 roof connects, in this part, axle support 61, and then the integral body of the 2nd snap fastener 60A is supported on top rear 36b with cantilevered fashion.

Fig. 8 represents the socket 2A of the 2nd embodiment is inserted among the insertion connector 1A of the 1st embodiment, realizes the side sectional view of chimeric state, and Fig. 9 represents the section plan of this state, and Figure 10 represents the plane graph of this state.If cylindrical body 24 with the socket 2A of Fig. 2,24 peristomes 5 (Fig. 1) from the housing main body 3A that inserts connector 1A insert, then the conical surface 31,31 (Fig. 7) of notch part 23 engages with the conical surface 9,9 (Fig. 3) in next door 7, and the guiding of the both sides bar 29 of dashing forward, 29 with gathering sill 12,12 (Fig. 1) engaging, with its guiding in correct chimeric position, insert two pin type joints 4 of connector 1A, 4 contact tube foot 15,15 (Fig. 3) is by jack 27,27 (Fig. 7), enter each cylindrical body 24,24 inside is as shown in Figure 9, with the female part 32 of bell and spigot joint 22,32 is chimeric, realizes conducting.In addition, the cylindrical body 24 of socket 2A, 24 front end contacts with the rear wall 6 that inserts connector 1A, finishes socket 2A and inserts the chimeric of these 2 parts of connector 1A, at this moment, the 1st snap fastener 28 of socket 2A, 28 with the 1st holding section 11,11 engagings of inserting connector 1A, thus, be relatively arranged on the insertion connector 1A on the printed circuit board (PCB) 43 (Fig. 8), socket 2A is in anti-extraction state.

If, insert the

cylindrical body

24,24 of socket 2A from inserting the peristome 5 (Fig. 1) of connector 1A, then parallel with above-mentioned action, 2 arms 62,62 (Fig. 2) of the 2nd snap fastener 60A of socket 2A are in the inboard, that is, the deflection of axle support 61 (Fig. 2) side, simultaneously, be inserted into 2 the 2nd holding section 50A that insert connector 1A, between the 50A (Fig. 1), at this moment, if finish socket 2A and insert the chimeric of these 2 parts of connector 1A, then as shown in Figure 10, according to the pawl 62a that is provided with from the outstanding laterally mode of arm 62,62,62a crosses the

2nd holding section

50A, 50A, the arm 62,62 of generation deflection is same as before, open laterally, pawl 62a, 62a and the 2nd holding section 50A, the rear portion 51 of 50A, 51 engagings, same because connector 1A is inserted in this action relatively, socket 2A is in anti-extraction state.

If anti-extraction state only refers to as before, the 1st holding section 11, the 11 and the 1st snap fastener 28, the engaging of 28 (Fig. 9), then relatively inserting connector 1A, along the anti-direction (Fig. 9, the left of Figure 10 to) of extracting out, pulling and the such occasion of socket 2A wire connecting 45 at full tilt, anti-effect of extracting out is not best at present.But, in the 1st, the 2 embodiment, resemble according to the 2nd holding section 50A shown in Figure 10, the pawl 62a of the

rear portion

51,51 of 50A and the 2nd snap fastener 60A, the fastening state of 62a and know like that, state like this, with socket 2A with insert connector 1A and draw back.By the operator, according to mutual close mode, with the rear portion 62b of arm, 62b is towards the inboard, and axle support 61 sides are pushed arm 62,62 deflections, the pawl 62a of arm, the outer end of 62a is towards the 2nd holding section 50A, the medial movement of 50A, thus, engaging is removed, and can insert connector 1A relatively, pulling socket 2A removes anti-extraction state.

If adopt the insertion connector 1A of the 1st embodiment, or the socket 2A of the 2nd embodiment, because as a plurality of anti-drawing mechanisms, the 1st holding section 11,11 (Fig. 9) and the 2nd holding section 50A are set, 50A, or the 1st snap fastener 28,28 (Fig. 9) and the 2nd snap fastener 60A, so anti-effect raising of extracting out.Particularly, for the 2nd holding section 50A, the rear portion 51 of 50A, the pawl 62a of the 51 and the 2nd snap-in structure 60A, the anti-extraction of the engaging of 62a is not if pass through the operator, push the rear portion 62a of arm according to mutual close mode, 62b then can't remove this anti-extraction state.So,, still do not have socket 2A and insert the situation that connector 1A throws off even in pulling and socket 2A wire connecting 45 unexpectedly.

Insertion connector to the 3rd embodiment of the present invention is described below.As shown in the perspective view of Figure 11, because this insertion connector 1B compares with the insertion connector 1A (Fig. 1) of aforesaid embodiment, difference only is the structure of the 2nd holding section 50B, so for other part, adopt identical label, omit description it.

In inserting connector 1B, not only have above-mentioned the 1st holding section 11,11 (Fig. 3), and be provided with the 2nd holding section 50B, the 2nd holding section 50B engages the 2nd snap fastener 60B (Figure 12) of the socket 2B of the 4th embodiment described later.More particularly, housing main body 3B has the 2nd holding section 50B, the 2nd holding section 50B is the word shape towards the コ of lower opening, as the part of housing main body 3B and be integrally formed on the front portion of top board 14 of housing main body 3B, be provided with the through hole 52 that connects according to the mode parallel with above-mentioned contact tube 15 (Fig. 3) of foot.

To the 4th embodiment of the present invention, insert the insertion connector 1B of above-mentioned the 3rd embodiment below, realize that chimeric socket is described.As shown in the perspective view of Figure 12, this socket 2B compares with the socket 2A (Fig. 2) of above-mentioned the 2nd embodiment, and difference is the structure of the 2nd snap fastener 60B, thus, for other part, adopt identical label, omits the description to it.

In this socket 2B, not only have above-mentioned the

1st snap fastener

28,28, and be provided with the 2nd snap fastener 60B, the 2nd snap fastener 60B engages with the 2nd holding section 50B (Figure 11) of above-mentioned insertion connector 1B.More particularly, socket joint housing 21B has the 2nd snap fastener 60B, the 2nd snap fastener 60B is tabular, it stretches out according to the mode parallel with above-mentioned female part 32 (Fig. 7), deflection along the vertical direction, at leading section 63, be provided with upward outstanding pawl 63a, as the part of socket joint housing 21B and integrally formed.The bottom of the base portion of the 2nd snap fastener 60B (rear portion) is as shown in the end view of Figure 13, mainly be connected with top rear 36b, this top rear 36b with mode with discrepancy in elevation with as above-mentioned cylindrical body 24, the anterior 36a of the top board of the top arm of 24 (Figure 12) connects, in this part, the integral body of the 2nd snap fastener 60B is supported on the top rear 36b with cantilevered fashion.

Figure 13 represents that the socket 2B of the 4th embodiment inserts the insertion connector 1B of the 3rd embodiment, realizes the end view of chimeric state, and Figure 14 represents the plane graph of this state.If cylindrical body 24 with the socket 2B of Figure 12,24 peristomes 5 (Figure 11) from the housing main body 3B that inserts connector 1B insert, then the conical surface 31,31 (Fig. 7) of notch part 23 engages with the conical surface 9,9 (Fig. 3) in next door 7, and the guiding of the both sides bar 29 of dashing forward, 29 with gathering sill 12,12 (Figure 11) engaging, it is directed to correct clamped position, insert two pin type joints 4 of connector 1B, 4 contact tube foot 15,15 (Fig. 3) is by jack 27,27 (Fig. 7), enter each cylindrical body 24,24 inside is as shown in Figure 9, with the female part 32 of bell and spigot joint 22,32 is chimeric, with its conducting.In addition, if the cylindrical body 24 of socket 2B, 24 front end contacts with the rear wall 6 that inserts connector 1B, socket 2B and these two parts of insertion connector 1B are finished chimeric, then the 1st snap fastener 28,28 and the 1st holding section 11 of inserting connector 1B of socket 2B, 11 engagings, thus, be relatively arranged on the insertion connector 1B on the printed circuit board (PCB) 43 (Figure 13), socket 2B is in anti-extraction state.

If from inserting the peristome 5 (Figure 11) of connector 1B, insert the cylindrical body 24 of the socket 2B of Figure 12,24, then according to the mode parallel with above-mentioned action, the 2nd snap fastener 60B of socket 2B is in deflection downwards, in the through hole 52 (Figure 11) of the 2nd holding section 50B of insertion connector 1B, at this moment, as shown in Figure 13, if socket 2B, chimeric would the finishing of inserting connector 1B, then according to from leading section 63, the pawl 63a that is provided with of Tu Chu mode passes through hole 52 upward, rearward stretches out, and the 2nd snap fastener 60B of deflection is in level same as before, pawl 63a engages with the trailing edge of the 2nd holding section 50B, by this action, insert connector 1B relatively equally, socket 2B is in anti-extraction state.

If anti-extraction state only refers to as before, the 1st holding section 11, the 11 and the 1st snap fastener 28, the engaging of 28 (Fig. 9), then relatively inserting connector 1B, along the anti-direction (Fig. 9, the left of Figure 10 to) of extracting out, pulling and the such occasion of socket 2B wire connecting 45 at full tilt, anti-effect of extracting out is not best at present.But, in the 3rd, the 4 embodiment, as what know according to the fastening state of the pawl 63a of the 2nd holding section 50B shown in Figure 13 and the 2nd snap fastener 60B, state like this, with socket 2B with insert connector 1B and draw back.Pass through the operator, push the leading section 63 of the 2nd snap fastener 60B towards the below, the 2nd snap fastener 60B deflection, move towards the below of the upper limb of the through hole 52 of the 2nd holding section 50B on the top of the pawl 63a of leading section 63, thus, engaging is removed, and can insert connector 1B relatively, pulling socket 2B removes anti-extraction state.

If adopt the insertion connector 1B of the 3rd embodiment, or the socket 2B of the 4th embodiment, because as a plurality of anti-drawing mechanisms, the 1st holding section 11,11 (Fig. 9) and the 2nd holding section 50B are set, or the 1st snap fastener 28,28 (Fig. 9) and the 2nd snap fastener 60B are so anti-effect of extracting out improves.Particularly, for the pawl 62a of the 2nd holding section 50B and the 2nd snap-in structure 60B, the anti-extraction of the engaging of 62a if the operator does not push the leading section 63 of the 2nd snap fastener 60B downwards, then can't be removed anti-extraction state.So,, still do not have socket 2B and insert the situation that connector 1B throws off even in pulling and socket 2B wire connecting 45 unexpectedly.

Insertion connector to the 5th embodiment of the present invention is described below.As shown in the perspective view of Figure 15, because this insertion connector 1C compares with the insertion connector 1A (Fig. 1) of aforementioned the 1st embodiment, difference only is that housing main body 3C does not have the 2nd holding section, as shown in Figure 7, pin type joint 4C has the 2nd holding section 50C, so the part for other adopts identical label, omit description to it.

As shown in the side perspective view of Figure 19, insert among the connector 1C at this, except having above-mentioned the 1st clamping part 11,11 (Fig. 3), also be provided with the 2nd clamping part 50C that engages with the 2nd snap device 60C (Figure 17) of the socket 2C of the 6th embodiment that will be explained hereinafter.More particularly, as shown in Figure 17, pin type joint 4C has the 2nd clamping part 50C.In addition, at Figure 19, among Figure 21 A～21D, remove the rear portion of welding portion 19 pin type joint 4C in addition by the mode of blocking.

The pin type joint 4C of Figure 17 passes through copper, the conductive metal plate of copper alloy (brass etc.) carries out bending ram processing and makes, in the rear end of the 15C of contact tube foot, be connected with the bigger installation portion 16C of width, be arranged at the lead division 18C at the rear portion of this installation portion 16C, 19C is by foot section 18C, constitute with welding portion 19C, extend downwards agley in mutually opposite lateral outer side this foot section 18, this welding portion 19C rearward extends agley from the bottom of the 18C of foot.The 2nd holding section 50C is the pin-like of stretching out abreast above the 15C of contact tube foot, leading section 53 stretches out to the side.Rear end at the 2nd clamping part 50C, be provided with the bigger top installation portion 54 of horizontal direction width, pars intermedia 55 rearward extends from the rear end of this top installation portion 54, rear end from this pars intermedia 55, rear foot part 56 is S-shaped and crooked, extend downwards, be connected with the rear end of above-mentioned welding portion 19C.That is, the 2nd clamping part 50C passes through top installation portion 54, pars intermedia 55, and rear foot part 56, welding portion 19C, foot section 18C and installation portion 16C are integral shaping with the 15C of contact tube foot, by whole these parts, constitute pin type pin 4C.

In addition, as shown in Figure 19, pin type pin 4C remains fixed in installation portion 16C and top installation portion 54 on the rear wall 6C in the perforation mode.Be used to prevent two 15C of contact tube foot of high-tension obstruction, 15C, two welding portion 19C, the setting of 19C is identical with the occasion of describing in the insertion connector 1A (Fig. 3) of the 1st embodiment.

To the 6th embodiment of the present invention, insert among the insertion connector 1C of above-mentioned the 5th embodiment below, realize that chimeric socket is described.As shown in the perspective view of Figure 16, compare with the socket 2A (Fig. 2) of above-mentioned the 2nd embodiment, difference only is in this socket 2C, socket joint housing 21C does not have the 2nd clamping part, as shown in Figure 17, bell and spigot joint 22C has the 2nd clamping part 60, thus, other part adopts identical label, omits the description to it.In addition, in Figure 17, remove the part of back of the lance portion 34 of bell and spigot joint 22C in the mode of blocking.

As shown in the side sectional view of Figure 20, in socket 2C,, also be provided with the 2nd snap device 60C that engages with the 2nd clamping part 50C (Figure 17) of above-mentioned insertion connector 1C except having above-mentioned the 1st snap device 28,28 (Figure 16).More particularly, as shown in Figure 17, bell and spigot joint 22C has the 2nd snap device 60C.

The 2nd snap device 60C is the base portion (front portion) from lance portion 34 above female part 32C, that forwards extends is tabular, and leading section 64 stretches out to the side.At this rear portion of stretching out, be provided with 1 couple of outstanding upward pawl 64a.The 2nd snap device 60C and lance portion (1ance) 34, female part 32 together, as the part of bell and spigot joint 22C and integrally formed.As shown in Figure 20, the bell and spigot joint 22C that is connected with electric wire 45 is from open rearward end 26, be inserted in the hollow bulb 25, by lance portion 34, be in relative socket joint housing 21C, the anti-state of extracting out, but, along female part 32C stretch out direction (left and right directions of Figure 20), with play L, be contained among the socket joint housing 21C.Cut open near resembling leading section 64 the 2nd snap device 60C of Figure 20, the perspective of seeing from the below is shown in Figure 180, about the inboard of each cylindrical body 24 in socket joint housing 21C (in Figure 18, the right side only is shown), with the inclined-plane that contacts with the leading section 64 of the 2nd snap device 60C, form press section 38, this inclined-plane more forwards low more (from below Figure 18 of seeing, look and lift).

Figure 21 A～21C represents that stage by stage the socket 2C of the 6th embodiment of Figure 16 inserts from the insertion connector 1C (Figure 15) of the 5th embodiment, realizes the side sectional view of chimeric state.If peristome 5 (Figure 15) from the housing main body 3C of connector 1C, insert the cylindrical body 24,24 of the socket 2C of Figure 16, then the conical surface 31 of notch part 23, the conical surface 9 in 31 (Fig. 7) and next door 7,9 (Fig. 3) engaging, and prominent bar 29,29 of the guiding of both sides and gathering sill 12,12 (Figure 15) engaging, it is directed to correct clamped position, inserts two pin type joint 4C among the connector 1C, the 15C of contact tube foot of 4C, 15C (with reference to the label among Fig. 3 15) is by jack 27,27 (Fig. 7) enter the inside of each cylindrical body 24,24, as shown in Figure 9, with the female part 32C of bell and spigot joint 22C, 32C (with reference to 32 among Fig. 9) is chimeric, with its conducting.In addition, the cylindrical body 24 of socket 2C, 24 front end contacts with the rear wall 6C (with reference to the label among Fig. 9 6) that inserts connector 1C, and socket 2C and these parts of insertion connector 1C are finished chimeric, at this moment, the 1st snap device 28 of socket 2C, 28 with the 1st clamping part 11,11 engagings of inserting connector 1C, thus, be relatively arranged on the insertion connector 1C on the printed circuit board (PCB) 43 (Figure 21 C), socket 2C is in anti-extraction state.

If from inserting the peristome 5 (Figure 15) of connector 1C, insert the cylindrical body 24 of the socket 2C of Figure 16,24, then according to the mode parallel with above-mentioned action, at first, as shown in Figure 21 A, from the jack 37 of the instrument of socket 2C, the 2nd clamping part 50C that inserts connector 1C enters into the inside of socket joint housing 21C, and the top of the pawl 64a of the leading section 64 of the 2nd snap device 60C of socket 2C contacts with the bottom of the leading section 53 of the 2nd snap device 50C that inserts connector 1C.In addition, if insert socket 2C, then as shown in Figure 21 B, the 2nd snap device 60C deflection downwards of socket 2C, the pawl 64a of leading section 64 be positioned at the 2nd clamping part 50C leading section 53 under.If further insert socket 2C, socket 2C finishes chimeric with these parts of insertion connector 1C, then as shown in Figure 21 C, the leading section 64 of the 2nd snap device 60C stretches out at the rear of the leading section 53 of the 2nd clamping part 50C, and the 2nd snap device 60C of deflection is in level same as before, pawl 64a engages with the trailing edge of the leading section 53 of the 2nd clamping part 50C, same because connector 1C is inserted in this action relatively, socket 2C is in anti-extraction state.

If anti-extraction state only refers to as before, the 1st clamping part 11, the 11 and the 1st snap device 28,28 (Fig. 9) engaging, then inserting connector 1C relatively, spur the such occasion of socket 2C wire connecting 45 at full tilt along the anti-direction (Fig. 9, the left of Figure 10 to) of extracting out, anti-effect of extracting out is not best at present.But, the 5th, among the 6th embodiment, as what know according to the fastening state of the pawl 64a of the leading section 64 of the leading section 53 of the 2nd clamping part 50C shown in Figure 21 C and the 2nd snap device 60, only twitch and socket 2C wire connecting 45, can not be with socket 2C, 1C draws back with the insertion connector.If along inserting connector 1C relatively, be in the direction (left of Figure 21 C to) of anti-extraction state, pass through the operator, directly hold socket joint housing 21C, to its pulling, then as shown in Figure 21 D, scope at above-mentioned play L, the relative bell and spigot joint 22C of socket joint housing 21C, direction moves left, and the press section 38 of inboard that is arranged at socket joint housing 21C is with the leading section 64 of the 2nd snap device 60C leading section 53 from the 2nd clamping part 50C, push open downwards, engaging is thrown off, and socket 2C can be drawn back with inserting connector 1C, removes anti-extraction state.

If adopt the insertion connector 1C of the 5th embodiment, or the socket 2C of the 6th embodiment, because as a plurality of anti-drawing mechanisms, be provided with the 1st clamping part 11,11 (Fig. 9) and the 2nd clamping part 50C, or the 1st snap device 28,28 (Fig. 9) and the 2nd snap device 60C are so anti-effect of extracting out improves.Particularly, for the anti-extraction of the engaging of the pawl 64a of the leading section 64 of the leading section 53 of the 2nd clamping part 50C and the 2nd snap device 60,,, then can't remove this anti-extraction state with its pulling if the operator does not directly hold socket joint housing 21C.So even under the such situation of pulling unexpectedly and socket 2C wire connecting 45, socket 2C does not still extract out from insert connector 1C.

In addition, because leading section 53 with the 2nd clamping part 50C of the insertion connector 1C of the 5th embodiment, the instrument jack 37 that also has from the socket in past, be inserted into the inside of socket joint housing 21C, so the insertion connector 1C of the 5th embodiment is not limited to the socket 2C of the 6th embodiment, also can insert socket in the past, realize chimeric.Equally, the socket 2C of the 6th embodiment also can insert in the insertion connector in the past, realizes chimeric.

Insertion connector to the 7th embodiment of the present invention is described below.As shown in the perspective view of Figure 22, compare with the insertion connector 1A (Fig. 1) of above-mentioned the 1st embodiment, the difference of this insertion connector 1D is the structure of the 2nd clamping part 50D, like this, other part adopts identical label, omits the description to it.

Insert among connector 1D at this,, also be provided with the 2nd clamping part 50D that engages with the 2nd snap device 60D (Figure 23) of the socket 2D of the 8th embodiment that will be explained hereinafter except having above-mentioned the 1st clamping part 11,11 (Fig. 3).More particularly, housing main body 3D has the 2nd clamping part 50D, the 2nd clamping part 50D in the front portion of the top board 14 of housing main body 3D (promptly, peristome 5 sides) on the pars intermedia, part as housing main body 3D forms integrally formed, in the part of the left and right directions of the top board 14 of housing main body 3D,, outstanding upward from top board 14.The 2nd clamping part 50D also can be in the entire scope of the left and right directions of top board 14, and is from top board 14, outstanding upward.In addition, the front 57 of the 2nd clamping part 50D forms more rearward high more inclined-plane.In the 1st example of the 7th embodiment, the 2nd clamping part 50D sees from the side, is trapezoidal shape, its front end is consistent with the front end of top board 14, still, also can resemble (Figure 25 A), the 2nd example shown in Figure 25 B is such, sees shape triangular in shape from the side, and its front end also can be positioned at the rear of the front end of top board 14.In addition, see from the side, also can be the pentagon shape.

In the 1st example of the 7th embodiment shown in Figure 25 A, the back 58 of the 2nd clamping part 50D clips a space with the top board 14 of housing main body 3D, and the angle α between it is an acute angle." clip a space " and refer to the implication of " just insert connector 1D, measure around (Hou is returned り) (in Figure 25 A, right around) backward ", same in the 2nd example of Figure 25 B, be acute angle.That is, the 2nd clamping part 50D inserts among the connector 1D from socket 2D relatively and extracts out, is the shape of band " barb (barb) ".But, for angle α, as the 3rd example shown in Figure 27 A, best, clip a space between the 58a of top at least of the back 58 of the 2nd clamping part 50D and the top board 14 of housing main body 3D, its angle is the obtuse angle, the right angle, in particular for the obtuse angle, the reason of doing like this will be described later.Also can be as the 4th example shown in Figure 27 B, clipping a space between the integral body of the back 58 of the 2nd clamping part 50D and the top board of housing main body 3D, its angle is the obtuse angle, or the right angle, in particular for the obtuse angle.

To the 8th embodiment of the present invention, insert among the insertion connector 1D of above-mentioned the 7th embodiment below, realize that chimeric socket is described.As shown in the perspective view of Figure 23, this socket 2D compares with the socket 2A (Fig. 2) of above-mentioned the 2nd embodiment, and difference only is the structure of the 2nd snap device 60D, for other part, adopt identical label, omits the description to it.

In this socket 2D,, also be provided with the 2nd snap device 60D that engages with the 2nd holding section 50D (Figure 22) of above-mentioned insertion connector 1D except having above-mentioned the 1st snap device 28,28.More particularly, socket joint housing 21D has the 2nd snap device 60D, and the 2nd snap device 60D has tabular movable part 65, and this movable part 65 stretches out according to the mode parallel with above-mentioned female part 32 (Fig. 7); Foot 66, this foot 66 is from the top rear 36b of socket joint housing 21D, stretch out upward, the pars intermedia of the fore-and-aft direction by the bolster P support movable portion 65 of extending along left and right directions, the 2nd snap device 60D are as the part of socket joint housing 21D and integrally formed.On the leading section 67 of the movable part 65 of the 2nd snap device 60D, be provided with outstanding pawl 67a downwards, if the rearward end 68 of movable part 65 is pushed, then as lever downwards, movable part 65 is that the center rotates with bolster P, and the leading section 67 with pawl 67a is moved upward.

The 1st example as the 8th embodiment shown in Figure 25, the state that engages with above-mentioned the 2nd clamping part 50D at the pawl 67a of leading section 67, promptly, be in horizontal state at movable part 65, the 69a of bottom at least in the back 69 of the pawl 67a of its leading section 67 measures around (in Figure 25 A, a left side around) backward with regard to socket 2D, and and the angle β between the anterior 36a of the top board of socket joint housing 21D be preferably acute angle, its reason will be described later.For this angle β, as the 2nd example shown in Figure 25 C, the integral body of the back 69 of the pawl 67a of leading section 67 also backward the angle between the anterior 36a of top board that measure and socket joint housing 21D be acute angle.

In addition, best, also can be as the 3rd example shown in Figure 25 D, the 69a of bottom at least of the back 69 of the pawl 67a of leading section 67 backward around and angle between the anterior 36a of top board that measure and socket joint housing 21D is the right angle.In addition, as the 4th example shown in Figure 25 E, the integral body of the back 69 of the pawl 67a of leading section 67 also can be backward around and angle between the anterior 36a of top board that measure and socket joint housing 21D is the right angle.But, be not limited to these occasions, also can be as the 5th example shown in Figure 26 A, the back 69 of the pawl 67a of leading section 67 backward around and angle between the anterior 36a of top board that measure and socket joint housing 21D is the obtuse angle.That is, also can make the pawl 67a of the leading section 67 of the 2nd snap device 60D,, be the shape of band " barb " relatively from the extraction of the socket 2D that inserts connector 1D.

Figure 24 represents the socket 2D of the 1st example of the 8th embodiment shown in Figure 23 is inserted the insertion connector 1D of the 1st example of the 7th embodiment shown in Figure 22, realizes the side view of chimeric state.If peristome 5 (Figure 22) from the housing main body 3D that inserts connector 1D, insert the cylindrical body 24,24 of the socket 2D of Figure 23, then the conical surface 31 of notch part 23, the conical surface 9 in 31 (Fig. 7) and next door 7,9 (Fig. 3) engaging, and prominent bar 29,29 of the guiding of both sides and gathering sill 12,12 (Figure 11) engaging, it is directed to correct chimerism, inserts the contact tube foot 15 of two pin type joints 4,4 of connector 1D, 15 (Fig. 3) are by jack 27,27 (Fig. 7) enter the inside of each cylindrical body 24,24, as shown in Figure 9, chimeric with the female part 32,32 of socket joint housing 22, with its realization conducting.In addition, if the cylindrical body 24 of socket 2D, 24 front end contacts with the rear wall 6 that inserts connector 1D, inserts connector 1D, and the chimeric of socket 2D finished, the 1st snap device 28 of socket 2D then, 28 with the 1st clamping part 11,11 engagings of inserting connector 1D, thus, be relatively arranged on the insertion connector 1D on the printed circuit board (PCB) 43 (Figure 24), socket 2D is in anti-extraction state.

If the cylindrical body 24 of the socket 2D of Figure 23,24 from inserting peristome 5 (Figure 22) insertion of connector 1D, then according to the mode parallel with above-mentioned action, the mode that the movable part 65 of the 2nd snap device 60D of socket 2D is moved upward according to its leading section 67, with bolster P is that the center rotates, run-off the straight, deflection simultaneously, the pawl 67a of leading section 67 advances when the end face with the 2nd clamping part 50D contacts, as shown in Figure 24, inserting connector 1D, socket 2D finishes when chimeric, and the pawl 67a of leading section 67 crosses the 2nd clamping part 50D, and movable part 65 is in level same as before, pawl 67a engages with the back 58 of the 2nd clamping part 50D, owing to this reason, insert connector 1D relatively equally, socket 2D is in anti-extraction state.

If anti-extraction state only refers to as before, the 1st holding section 11, the 11 and the 1st snap fastener 28, the engaging of 28 (Fig. 9), then inserting connector 1D relatively, along the anti-direction (left of Figure 24 to) of extracting out, the such occasion of pulling and socket 2D wire connecting 45 at full tilt, anti-effect of extracting out is not best at present.But, because same insertion connector 1D by above-mentioned the 7th embodiment, or any example of the socket 2D of the 8th embodiment, as a plurality of anti-drawing mechanisms, be provided with the 1st clamping part 11,11 (Fig. 9) and the 2nd clamping part 50D, or the 1st snap device 28,28 (Fig. 9) and the 2nd snap device 60D, so anti-effect raising of extracting out, even under the such situation of pulling unexpectedly and socket 2D wire connecting 45, socket 2D does not still extract out from inserting connector 1D.

In addition, as aforementioned, at the insertion connector 1A of the 1st embodiment shown in Figure 10 and the socket 2A of the 2nd embodiment, occasion at anti-extraction state, and removing anti-occasion of extracting out, only utilize the deflection of arm 62,62 of the 2nd snap fastener 60A of socket 2A.Equally in the socket 2B of the insertion connector 1B of the 3rd embodiment shown in Figure 13 and the 4th embodiment,, and, utilize the deflection of the 2nd snap device 60B of socket 2B removing anti-occasion of extracting out in the occasion of anti-extraction state.So at these

connectors

1A and 2A, among 1B and the 2B, then common if can successfully realize anti-extraction state, anti-extraction state also can successfully be removed.

Relative therewith, at the insertion connector 1D of the 7th embodiment shown in Figure 24 and the socket 2D of the 8th embodiment, when being in anti-extraction state, utilize the movable part 65 of the 2nd snap device 60D of socket 2D, be the rotation (inclination) at center with bolster P, with with bolster P as the deflection of stiff end the two, but, when the extraction state is prevented in releasing, by the rearward end 68 of this movable part 65 is pushed downwards, thus, the pawl 67a of leading section 67 is moved upward.That is, when removing anti-extraction state, only utilizing movable part 65, is the rotation at center with bolster P.So even not and be limited to and can successfully realizing under the anti-situation of extracting out, the releasing of anti-extraction state still can be according to same degree, successfully the occasion of Shi Xianing.Below this aspect is described.

The combination of the socket 2D of the insertion connector 1D of the 1st example by the 7th embodiment shown in Figure 26 A and the 5th example of the 8th embodiment, be described, at this moment, usually, be arranged on and insert connector 1D, socket 2D finishes chimeric state, the back of the 2nd clamping part 50D 58 and be arranged at the play of the back 69 discontiguous degree of the pawl 67a on the leading section 67 of the 2nd snap device 60D.But, when removing anti-extraction state, from insert connector 1D, when extracting socket 2D out,, usually be in the state that does not have play as shown in Figure 26 B.In order to remove anti-extraction state, must be by the mode that the rearward end 68 of movable part 65 is pushed downwards, with bolster P is that the center makes movable part 65 rotations, the pawl 67a of leading section 67 is moved upward, but, if as Figure 26 B, the two is the shape that has " barb " the pawl 67a of the leading section 67 of the 2nd clamping part 50D and the 2nd snap device 60D, then there be not the state of play, the back 58 of the 2nd clamping part 50D counteracts, be difficult to, maybe can not make the pawl 67a of the leading section 67 of the 2nd snap device 60D is that the center rotates with bolster P.

Can be according to " barb ", play, as shown in Figure 26 C, the pawl 67a that makes leading section 67 is according to being moved upward to a certain degree, but if the bottom of pawl 67a is moved to the top on the top of the 2nd clamping part 50D, then anti-extraction state still can not be removed, can not from insert connector 1D, extract socket 2D out.For as described later, (rearward end 68 belows of movable part 65 are pushed at this state, the bottom of pawl 67a is positioned at the state of below on the top of the 2nd clamping part 50D), from insert connector 1D, extract socket 2D out, clip a space between the anterior 36a of the top board of the back 69 of the pawl 67a of leading section 67 and socket joint housing 21D, its angle γ is necessary for acute angle, but, horizontal state before the rearward end 68 of movable part 65 is pushed downwards, for the angle β (Figure 26 A, Figure 26 B) of acute angle hardly because of the rotation slightly of the movable part 65 pushed, and become acute angle gamma.So obviously best, the socket 2D combination with the 5th example of the insertion connector 1D of the 1st example of the 7th embodiment and the 8th embodiment forms connector assembly.

As the embodiment of preferred connector assembly of the present invention, exemplify the combining form of socket 2D of the 1st example of the insertion connector 1D of the 1st example of the 7th embodiment shown in Figure 25 A and the 8th embodiment.Inserting connector 1D, among the socket 2D, only the 2nd clamping part 50D is the shape of " barb ", the back 58 of the 2nd clamping part 50D contacts with the back 69 of the pawl 67a of the leading section that is arranged at the 2nd snap device 60D, there is not play, even under the situation of this state, by the rearward end 68 of pushing movable part 65 downwards, be the center with bolster P then, making pawl 67a when rotation of the leading section 67 of the 2nd snap device 60D, the back 58 of the 2nd clamping part 50D does not counteract, the bottom of pawl 67a is moved towards the top on the top of the 2nd clamping part 50D, can remove anti-extraction state, can from insert connector 1D, extract socket 2D out.

Even because as shown in Figure 25 F, under the situation that does not move to the top on the top of the 2nd clamping part 50D the bottom of pawl 67a, at the state that the rearward end 68 of movable part 65 is pushed downwards, clip a space between the anterior 36a of top board of bottom 69a at least in the back 69 of the pawl 67a of leading section 67 and socket joint housing 21D, its angle γ still is an acute angle, be the shape of not being with " barb ", if at this state, insert connector 1D relatively, pulling socket 2D, then by the action opposite with when engaging, bottom, the back 69a of pawl 67 contacts with the top ends of the 2nd clamping part 50D, simultaneously move at the pawl 67a rear that makes progress, and the bottom of pawl 67a is positioned on the end face of the 2nd clamping part 50D, and engaging breaks away from.That is, can remove anti-extraction state, from insert connector 1D, extract socket 2D out.Another example as the embodiment of such preferred connector assembly also exemplifies the combination of insertion connector 1D shown in Figure 25 B～Figure 25 E and socket 2D.

As an embodiment again of preferred connector assembly of the present invention, exemplify the combination of socket 2D of the 5th example of the insertion connector 1D of the 7th embodiment shown in Figure 27 A and the 8th embodiment.Inserting connector 1D, among the socket 2D, only the pawl 67a of the leading section 67 of the 2nd snap device 60D is the shape of band " barb ", the back 69 of pawl 67a on the back 58 of the 2nd clamping part 50D and the leading section 67 that is arranged at the 2nd snap device 60D contacts, there is not play, even under this state, by the rearward end 68 of movable part 65 is pushed downwards, is that the center is when rotating at the pawl 67a of the leading section 67 that makes the 2nd snap device 60D with bolster P, the back 58 of the 2nd clamping part 50D does not counteract, can make the bottom of pawl 67a shift to the top on the top of the 2nd clamping part 50D easily, remove anti-extraction the out from insert connector 1D, extract socket 2D out.

Even under the situation above the top of shifting to the 2nd clamping part 50D in the bottom that can't make pawl 67a, at least clip a space between the anterior 36a of the top 58a of the back 58 of the 2nd clamping part 50D and the top board of housing main body 21D, its angle α still is the obtuse angle, be the shape of not being with " barb ", though this point is not shown in the drawings, if so at this state, insert connector 1D relatively, pulling socket 2D, then according to the action opposite with when engaging, with when top, the back 58a of the 2nd clamping part 50D contacts, pawl 67a shifts to the rear in the bottom of the back 69 of pawl 67, the bottom of pawl 67a is positioned at the end face of the 2nd clamping part 50D, and engaging is thrown off.That is, can remove anti-extraction state, can from insert connector 1D, extract socket 2D out.Other example as the embodiment of such preferred connector assembly also exemplifies the combination of insertion connector 1D shown in Figure 27 B and socket 2D.

As above-mentioned, with reference to accompanying drawing, preferred embodiment is described, still,, expect easily in obvious scope, carrying out various conversion and correction if those of ordinary skill in the art watches this specification.So such conversion and modified solutions are interpreted as the scheme in the scope of determining according to the appended claim in back of the present invention.

Claims

1. an insertion connector inserts in the connector at this, and 2 pin type joints that are contained in the housing main body comprise: contact tube foot, this contact tube foot are according to the mode parallel with the center line of above-mentioned housing main body, and be outstanding at the peristome of above-mentioned housing main body; Lead division, this lead division stretches out from above-mentioned housing main body, is welded on the printed circuit board (PCB), another socket inserts above-mentioned peristome, realize chimeric, wherein,

Inside at above-mentioned housing main body is provided with the next door, and this next door is arranged at the centre of above-mentioned two contact tube foots, and outstanding according to the length greater than the front end of above-mentioned two contact tube foots;

Above-mentioned two lead divisions stretch out agley to lateral outer side side mutually, and the spacing of welding portion is greater than the spacing of above-mentioned two contact tube foots;

The 1st clamping part that engages the 1st snap device of above-mentioned socket is arranged at the medial surface of the two side of above-mentioned housing main body;

In addition, be provided with the 2nd clamping part of the 2nd snap device of the above-mentioned socket of engaging.

2. insertion connector according to claim 1 is characterized in that at least a portion of the two sides in above-mentioned next door is formed by the conical surface of the wedge shape that forms taper.

3. insertion connector according to claim 1 is characterized in that, whole conical surfaces by the wedge shape that forms taper of the two sides in above-mentioned next door form.

4. insertion connector according to claim 1, it is characterized in that the two sides in above-mentioned next door are formed by the base portion parallel surface and the conical surface, this base portion parallel surface extends with the center line of above-mentioned housing main body with paralleling, this conical surface and this base portion parallel surface are continuous, form the wedge shape of taper.

5. insertion connector according to claim 1 is characterized in that, above-mentioned housing main body has above-mentioned the 2nd clamping part, and the 2nd clamping part is from about the top board of above-mentioned housing main body, and is outstanding upward.

6. insertion connector according to claim 1 is characterized in that, above-mentioned housing main body has above-mentioned the 2nd clamping part, in the 2nd clamping part, is provided with the through hole that connects according to the mode parallel with above-mentioned contact tube foot.

7. insertion connector according to claim 1 is characterized in that, above-mentioned housing main body has above-mentioned the 2nd clamping part, and the 2nd clamping part is in the scope of at least a portion of the left and right directions of the top board of above-mentioned housing main body, and is outstanding upward from above-mentioned top board.

8. insertion connector according to claim 7 is characterized in that, above-mentioned the 2nd clamping part is in the entire scope of the left and right directions of the top board of above-mentioned housing main body, and is outstanding upward from above-mentioned top board.

9. insertion connector according to claim 7 is characterized in that, above-mentioned the 2nd clamping part is arranged at the above-mentioned peristome side of the top board of above-mentioned housing main body.

10. insertion connector according to claim 7 is characterized in that, the front of above-mentioned the 2nd clamping part is more rearward high more inclined-plane.

11. insertion connector according to claim 7 is characterized in that, clips a space between the top at least in the back of above-mentioned the 2nd clamping part and the top board of above-mentioned housing main body, its angle is obtuse angle or right angle.

12. insertion connector according to claim 11 is characterized in that, clips a space between top at least in the back of above-mentioned the 2nd clamping part and the above-mentioned housing main body, its angle is the obtuse angle.

13. any one the described insertion connector according in the claim 5～12 is characterized in that, above-mentioned the 2nd clamping part is as the part of above-mentioned housing main body and integrally formed.

14. insertion connector according to claim 1 is characterized in that, above-mentioned pin type joint has above-mentioned the 2nd clamping part, and the 2nd clamping part stretches out according to the mode parallel with above-mentioned contact tube foot, and its leading section stretches out to the side.

15. insertion connector according to claim 14 is characterized in that, above-mentioned the 2nd clamping part and above-mentioned contact tube foot are integrally formed.

16. a socket, this socket inserts the above-mentioned peristome of the described insertion connector of claim 1, realizes chimeric;

Accommodate with the socket joint housing of above-mentioned contact tube foot chimeric bell and spigot joint and be two strands of shapes, and have the 1st snap device that engages with above-mentioned the 1st clamping part with the notch part that engages with above-mentioned next door;

In addition, be provided with the 2nd snap device that engages with above-mentioned the 2nd clamping part.

17. socket according to claim 16 is characterized in that, it realizes chimeric socket for the above-mentioned peristome that inserts the described insertion connector of claim 4;

The relative two sides of above-mentioned notch part comprise the peristome parallel surface and the conical surface, this peristome parallel surface is corresponding with the above-mentioned base portion parallel surface in above-mentioned next door, and this conical surface and this peristome parallel surface are continuous, corresponding to the above-mentioned conical surface in above-mentioned next door, towards inner inboard, width narrows down gradually.

18. socket according to claim 16 is characterized in that,

Above-mentioned bell and spigot joint has according to the female part of stretching out with above-mentioned contact tube foot chimeric mode;

Above-mentioned socket joint housing has the 2nd snap device, the 2nd snap device is made of supporting axial region and 1 pair of arm, and this supporting axial region stretches out according to the mode parallel with above-mentioned female part, this arm from this support axial region the front portion about, rearward stretch out, can be along the left and right directions deflection;

Realize in being inserted into above-mentioned peristome when chimeric that the pawl that is provided with in outstanding laterally mode from the arm of above-mentioned the 2nd snap device engage to be in by the rear portion with above-mentioned the 2nd clamping part and prevents the extraction state;

If according to the rear portion that mutual approaching mode is pushed above-mentioned arm, then above-mentioned arm flex, the pawl of above-mentioned arm moves to the inside, thus, removes above-mentioned anti-extraction state.

19. socket according to claim 16 is characterized in that,

Above-mentioned bell and spigot joint have extend out and with the chimeric female part of above-mentioned contact tube foot;

Above-mentioned socket joint housing has above-mentioned the 2nd snap device, and the 2nd snap device stretches out according to the mode parallel with above-mentioned female part, deflection along the vertical direction;

Realize when chimeric when being inserted into above-mentioned peristome, then from the leading section of above-mentioned the 2nd snap device with the pawl that outstanding upward mode is provided with, pass the through hole of above-mentioned the 2nd clamping part and realize engaging, thereby be in anti-extraction state;

If push the leading section of the 2nd snap device downwards, then above-mentioned the 2nd snap device deflection, the pawl of above-mentioned leading section moves downwards, thus, removes above-mentioned anti-extraction state.

20. socket according to claim 16 is characterized in that, above-mentioned bell and spigot joint has according to the female part of stretching out with above-mentioned contact tube foot chimeric mode;

Above-mentioned socket joint housing has above-mentioned the 2nd snap device, and the 2nd snap device comprises: movable part, and this movable part stretches out according to the mode parallel with above-mentioned female part; Foot, this foot stretches out upward from the top board of above-mentioned socket joint housing, by the bolster that extends along left and right directions, supports the pars intermedia of the fore-and-aft direction of above-mentioned movable part;

Realize when chimeric when being inserted into above-mentioned peristome, cross above-mentioned the 2nd clamping part and realize engaging from the pawl that the leading section of the movable part of above-mentioned the 2nd snap device is provided with in outstanding downwards mode, thereby be in anti-extraction state;

If push the rearward end of above-mentioned movable part downwards, then above-mentioned movable part is that the center rotates with above-mentioned bolster, and the pawl of above-mentioned leading section is moved upward, and thus, removes above-mentioned anti-extraction state.

21. socket according to claim 20, it is characterized in that, at the state that the pawl of above-mentioned leading section engages with above-mentioned the 2nd clamping part, the bottom at least of the back of the pawl of above-mentioned leading section backward around and angle between the top board that measure and above-mentioned socket joint housing is an acute angle, or right angle.

22. any one the described insertion connector according in the claim 18～21 is characterized in that, above-mentioned the 2nd snap device is as the part of above-mentioned socket joint housing and integrally formed.

23. socket according to claim 16 is characterized in that, above-mentioned bell and spigot joint comprises: female part, and this female part is according to stretching out with above-mentioned contact tube foot chimeric mode; The 2nd snap device, the 2nd snap device stretches out according to the mode parallel with this female part, and its leading section engages with the front end of above-mentioned the 2nd clamping part by pawl, and above-mentioned bell and spigot joint is accommodated by above-mentioned socket joint housing in the mode that direction has play of stretching out along above-mentioned female part;

Realize that when inserting above-mentioned peristome when chimeric, the leading section of then above-mentioned the 2nd snap device engages with the leading section of above-mentioned the 2nd snap device, thus, is in and prevents the extraction state;

If according to above-mentioned relatively insertion connector, along above-mentioned anti-extraction direction, spur above-mentioned socket joint housing, the press section that is arranged at the inboard of then moving relative to above-mentioned bell and spigot joint in the scope of above-mentioned play is with the leading section of the 2nd snap device, push open from the leading section of above-mentioned the 2nd clamping part, thus, remove above-mentioned anti-extraction state.

24. socket according to claim 23 is characterized in that,

Above-mentioned bell and spigot joint has the lance shape pipe portion of claw-like, and its stage portion with the inboard that is arranged at above-mentioned socket joint housing engages, and thus, the above-mentioned relatively female part of this bell and spigot joint is in anti-extraction state;

In above-mentioned socket joint housing, be provided with the jack that is used for instrument, this instrument is used for the above-mentioned relatively stage portion of above-mentioned lance portion is pushed open, removes the anti-extraction state of above-mentioned bell and spigot joint, and the leading section of above-mentioned the 2nd clamping part inserts in the above-mentioned socket joint housing from this jack.

25., it is characterized in that above-mentioned the 2nd snap device and above-mentioned female part are integrally formed according to claim 23 or 24 described sockets.

26. a connector assembly, it comprises:

Insert connector, this insertion connector is an insertion connector as claimed in claim 10, clips a space between the back of above-mentioned the 2nd clamping part and the top board of above-mentioned housing main body, and its angle is an acute angle; And

The described socket of claim 21.

27. a connector assembly, it comprises:

Insertion connector as claimed in claim 11; And

Socket, this socket are socket as claimed in claim 20, in the pawl and above-mentioned the 2nd clamping part fastening state of above-mentioned leading section, the back of the pawl of above-mentioned leading section backward around and angle between the top board that measure and above-mentioned socket joint housing is the obtuse angle.