CN107666075B - Connector - Google Patents

Abstract

A kind of connector that the retentivity by chimerism enhances is provided.Connector has: main receiving portion (6) is provided projectingly on male connector shell (1)；Protrusion (9), is set to the two sides of main receiving portion (6)；Secondary receiving portion (14) is the step surface formed on the outside of the width direction of protrusion (9)；And lock arm (28), it can be set to female connector shell (15) with bending, and lock arm (28) has main sticking department (33), secondary sticking department (12) are formed in lock arm (28), secondary receiving portion (12) links with the main sticking department via the link arm (32) extended from main sticking department (33) to width direction and is locked to secondary receiving portion (14), and it is formed between main sticking department (33) and secondary sticking department (12) and keeps out of the way slot (36), protrusion (9) can keep out of the way slot (36).

Description

Connector

Technical field

The present invention relates to a kind of connectors.

Background technique

It generally, is mostly by locking projection and lock as the structure for male and female connectors to be remained to chimerism The form that fixed arm is kept, wherein locking projection is set to the upper surface of male connector shell, and lock arm is set to negative connection The opposed locations of device shell, when two connectors are mutually fitted into, lock arm is locked to locking projection (following patent document 1).At this In kind of structure, due to need to protect locking projection and avoid locking projection generate because being interfered between foreign matter notch or by Cutting, it is possible to consider to erect protective bulkhead in a manner of almost touching in the two sides of locking projection.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 8-321352 bulletin

Summary of the invention

Problems to be solved by the invention

In the case where above-mentioned composition, since lock arm is locked in the state of avoiding the Fa Sheng Gan Wataru between protective bulkhead Locking projection, so lock arm is restricted as the width narrower than the interval between protective bulkhead.In particular, if connector is small-sized Change, then lock arm also small width, so that rigidity reduces, as a result, worry that lock arm reduces the locking power of locking projection, from And the power that male and female connectors is held in chimerism is caused to reduce.

Technology disclosed in this specification is completed based on above-mentioned such situation, and its purpose is to provide one kind can The connector that the retentivity of chimerism is enhanced.

Means for solving the problems

A kind of connector, has: the 1st connector；2nd connector, can be mutually chimeric with the 1st connector；It is main Receiving portion is provided projectingly on the shell of the 1st connector；Protrusion is set to the width direction of the main receiving portion Outside；Secondary receiving portion is set on the outside of the width direction of the protrusion；And lock arm, institute can be set to bending State the shell of the 2nd connector, the lock arm has and can be locked to institute in the 1st connector and chimeric the 2nd connector The main sticking department of main receiving portion is stated, the connector is characterized in that, is formed with secondary sticking department in the lock arm, the pair connects By portion via the link arm extended from the main sticking department to width direction and with the main sticking department connection and can be with institute State main sticking department and the secondary receiving portion be locked in linkage for the locking movement of the main receiving portion, the main sticking department with It is formed between the pair sticking department and keeps out of the way slot, the protrusion is kept out of the way when the 1st connector is chimeric with the 2nd connector It is described to keep out of the way slot.

Invention effect

According to the present invention, if the 1st connector is mutually chimeric with the 2nd connector, due in addition to main receiving portion and main sticking department Between locking except, there are also the lockings between secondary receiving portion and secondary sticking department, so can be realized the enhancing of retentivity.Especially It is, in the case where the 1st connector side and main receiving portion are adjacently provided with protrusion, if pervious connector, then lock The width dimensions of arm are restricted to the width dimensions of main sticking department, but due in the present invention, being locked in main sticking department and pair Between portion setting keep out of the way slot to avoid with protrusion Fa Sheng Gan Wataru, so can expand the width dimensions of entire lock arm ?.Thereby, it is possible to improve the rigidity of lock arm to help to maintain the enhancing of power.This minimizes connector and makes to lock Fixed arm have to narrowed width the case where it is especially effective.

Detailed description of the invention

Fig. 1 is the main view for indicating male connector.

Fig. 2 is the top view for indicating male connector.

Fig. 3 is the main view for indicating female connector.

Fig. 4 is the top view for indicating female connector.

Fig. 5 is the rearview for indicating female connector.

Fig. 6 be show male and female connectors it is chimeric before state sectional side view.

Fig. 7 is the sectional side view for showing state when secondary sticking department is abutted with the leading edge of cover portion.

Fig. 8 be show secondary sticking department and cover portion upper surface it is sliding when state sectional side view.

Fig. 9 is the sectional side view for showing the state of midway of upper surface of the main sticking department Jing Guo main receiving portion.

Figure 10 is the sectional side view for showing state when main sticking department is locked to main receiving portion.

Figure 11 be show by male and female connectors it is chimeric before the sectional side view that is cut off in secondary lock part of state.

Figure 12 is the sectional side view for showing state when abutting secondary sticking department with the leading edge of cover portion.

Figure 13 is the sectional side view of state when showing secondary sticking department by protrusion.

Figure 14 is the sectional side view for showing state when secondary sticking department is locked to secondary receiving portion.

Specific embodiment

The preferred embodiment of the present invention is illustrated.

(1) connector of the invention also can have following composition: in the secondary sticking department or the main sticking department At least any one party is formed with the face of beaing, and the locking for beaing face along with the secondary sticking department or the main sticking department is to institute The shell for stating the 1st connector is beaten.

According to such composition, if the 1st connector is mutually chimeric with the 2nd connector, secondary sticking department or main locking are formed in The shell of at least any one party in portion beaten in face of the 1st connector is beaten.It can be notified by tap-tap at this time Two connectors of operating personnel have been in chimerism.

(2) in addition, connector of the invention also can have following composition: in the 1st connector and the 2nd connector Chimeric central axis in the state of consistent and the lock arm in the raw when, the height of taking taxi of striking is set as comparing The height for the outer surface of 1st connector beaten by the face of beaing is low.

According to such composition, due to when lock arm in the raw when height of taking taxi of striking beat with by the face of beaing Shell side face overlapping relationship, so lock arm in order to across displacement necessary to main receiving portion or secondary receiving portion and by Expand amount corresponding with the amount of overlapping.Therefore, elastic reactance is enhanced this corresponding amount so as to keep tap-tap bigger.

(3) in addition, the shell in the 1st connector is formed with step, the step ratio is formed with the master and connects By the low level-one in face in portion, the pair receiving portion is formed in the step.

According to such composition, secondary sticking department is locked to the part for becoming step relative to the face for being formed with main receiving portion (secondary receiving portion).That is, since secondary receiving portion is not protrusion form, so the interference between foreign matter need not be worried, from And the composition protected to secondary receiving portion will become not needing.

(4) projecting height of the protrusion can also be formed as higher than the projecting height of the main receiving portion.

According to such composition, can be effectively prevented from causes to damage due to protrusion makes main receiving portion with foreign matter Fa Sheng Gan Wataru The state of affairs of wound.

<embodiment 1>

Then, it is illustrated referring to attached drawing to by the embodiment of connector materialization of the invention.

(the M: the 1 connector of male connector)

Fig. 1 and Fig. 2 shows male connector M (the 1st connectors).Male connector M has plastic male connector Shell 1.As shown in Fig. 6 etc., male connector shell 1 is formed as the tubular being open forward and faces in generally elliptical shape (ginseng According to Fig. 1).As shown in Fig. 6 etc., the rear portion side of male connector shell 1 becomes main body cover portion 2, the front of male connector shell 1 Side is the expansion cover portion 3 continuously enclosed than main body cover portion 2 big one with main body cover portion 2.

As shown in Fig. 6 etc., male part 22 is to be accommodated in the inside of main body cover portion 2 from the horizontal state outstanding of bottom wall 4. As shown in Figure 1, the male part 22 of the present embodiment is arranged in parallel with 3 at equal intervals in the width direction.

As shown in Fig. 2, Fig. 6 etc., the boundary part expanded between cover portion 3 and main body cover portion 2 is circumferentially provided with platform along entire Terrace 5.The position protrusion of in the upper surface of expansion cover portion 3, central portion in width direction and close main body cover portion 2 is formed with Main receiving portion 6.As shown in Fig. 6 etc., be formed with inclined surface 7 in the front of main receiving portion 6, inclined surface 7 become towards the rear gradually on The upward slope risen.The top surface of main receiving portion 6 is formed as the flat surface of more only anterior-posterior length, is formed in rear end face along substantially lead Histogram is to the locking receiving surface 8 risen steeply.Tight above to say, the upper half of locking receiving surface 8 is formed as back taper.Engage receiving surface 8 Band root portion maintain the original state continuous with step surface 5 and flush.

It is adjacently provided in the width direction two sides of main receiving portion 6 with main receiving portion 6 in the upper surface of expansion cover portion 3 A pair of of protrusion 9.Shown in waiting as shown in Figure 1, Figure 2, two protrusions 9 are formed to have the anterior-posterior length substantially phase with main receiving portion 6 With size and be aligned with main 6 front and back end of receiving portion.As shown in Fig. 6 etc., protrusion 9 is formed as roughly the same along the longitudinal direction It is highly and higher than the projecting height of main receiving portion 6.More specifically, the corner of the rear end in the upper limb of two protrusions 9 is to fall Angle 10.In addition, as shown in Fig. 2, the outer surface side of the width direction in two protrusions 9, from the position close to rear end to front end The shear surface 11 of taper is formed with throughout entire altitude range.In this way, it is narrow that two protrusions 9, which are formed as front end, Width and wide degree is gradually become towards the rear.As described later, shear surface 11 is to keep out of the way slot for protrusion 9 successfully to be imported into In 36.

In addition, the rear end face of two protrusions 9 is vertical face, and it is aligned with the locking receiving surface 8 of main receiving portion 6.

As shown in Fig. 2 etc., becoming in the step surface 5 with corresponding position on the outside of the width direction of two protrusions 9 Secondary receiving portion 14, complete male and female connectors M, F it is chimeric when, it is aftermentioned pair sticking department 12 claw 13 be locked to secondary receiving portion 14。

(the F: the 2 connector of female connector)

Fig. 3 or even Fig. 5 shows female connector F.Female connector F has plastic female connector shell 15, and yin Connector F is formed to chimeric with male connector shell 1.As shown in Fig. 6 etc., female connector shell 15 is by by negative terminal part The terminal incorporating section 17 and constitute the outer cylindrical portion 18 of the terminal incorporating section 17 packet Wall that 16 (referring to Fig.1 0) are stored.In addition, embedding The rubber bolt 42 of the sealing of terminal part loaded on electric wire W is connected to negative terminal part 16 by riveting.

With being fitted into for male and female connectors M, F, terminal incorporating section 17 is fitted to the main body cover portion 2 of male connector shell 1 Inside.It as shown in Fig. 3 etc., is arranged in the width direction in the inside of terminal incorporating section 17 and is formed with 3 chambers 19, chamber 19 is used for will Negative terminal part 16 is stored.Chamber 19 is formed in a manner of penetrating through along the longitudinal direction respectively.As shown in Fig. 6 etc., in terminal incorporating section 17 front end is embedded with lid 20, to prevent negative terminal part 16 from falling off from front, and on the lid 20 in the width direction Opening has 3 tab insertion holes 21 side by side, and tab insertion hole 21 allows each male part 22 to enter wherein.

In addition, being formed with cantilever-like lance portion 23 in the inside of each chamber 19, lance portion 23 can be bent, by spear Portion 23 is locked to negative terminal part 16 flexibly to prevent negative terminal part 16 to be detached from.In addition, if male and female connectors M, F is embedding It closes, then negative terminal part 16 and male part 22 are electrically connected to each other.

In addition, sealing ring 24 is embedded in the bottom of the outer peripheral surface of terminal incorporating section 17, such as Figure 10, figure as shown in Fig. 6 etc. Shown in 14, male and female connectors M, F it is chimeric in completion status when, sealing ring 24 be tightly attached to the inner peripheral surface of expansion cover portion 3 from And make to be held in sealing state between male and female connectors M, F.

As shown in figure 3, maintaining chimeric space 25 between outer cylindrical portion 18 and terminal incorporating section 17, being fitted into space 25 can It is fitted to the outside of the expansion cover portion 3 of male connector shell 1.As shown in Fig. 6 etc., the upper surface of outer cylindrical portion 18 opens upward, And in opening edge to be provided with a pair of sidewalls 26 in the opposed mode of width direction.As shown in figure 4, two side walls 26 are from outer cylindrical portion 18 leading edge extends in parallel out along the longitudinal direction, when extending in the front-back direction the substantially position of half, mutual interval broadening, Rear end is extended parallel to later.As shown in figure 4, the upper limb of the front end of two side walls 26 connects each other by connecting piece 27 Knot.

As shown in Figure 4, etc., lock arm 28 is configured between two sidewalls 26, lock arm 28 is used for male and female connectors M, F Chimerism locked.Lock arm 28 has a pair of of the arm pieces 29 extended along the longitudinal direction, and is supported by two side walls 26. That is, as shown in figure 4, two arm pieces 29 are along the longitudinal direction slightly by the position at rear portion, in the mutual of two side walls 26 The position for separating broadening of beginning links together via hinge plate 30 respectively.Be supported to can be with hinge for lock arm 28 as a result, Along the state of the dynamic displacement of upper lower direction Oscillating centered on piece 30.The rear end of two arm pieces 29 is connected to each other and becomes operating sheet 31.It is logical It crosses and pressing operation is carried out to operating sheet 31, so as to release the lock state of male and female connectors M, F.

On the other hand, the front end of two arm pieces 29 links together each other by link arm 32.As shown in figure 4, link arm The central portion of 32 up-front width direction is formed with the part retreated with substantially concavity, which becomes as front-rear direction size Narrow main sticking department 33.The width of main sticking department 33 is formed as the size roughly the same with the width of main receiving portion 6.Such as Fig. 6 Shown, the toe lateral of the lower surface of main sticking department 33 is formed as tapered surface 34, which slowly declines towards the rear Descending.

On the other hand, it is formed with main locking surface 35 in the rear end side of main sticking department 33, main locking surface 35 becomes abrupt slope, main card Only face 35 can match locking with the locking receiving surface 8 of main receiving portion 6 in the state that male and female connectors M, F phase is chimeric.It is main The angle set of locking surface 35 is the gradient substantially phase with the reverse taper portion for the upper part for being formed in locking receiving surface 8 Together.In addition, as shown in Figure 10, the height and position of the lower end of the main locking surface 35 when male and female connectors M, F phase is chimeric is than expansion The height and position of the upper surface of cover portion 3 is slightly by top.

A pair of secondary sticking department 12 is formed in the front end of two arm pieces 29, link arm 32 outer end.In two pairs It is formed between sticking department 12 and main sticking department 33 and in the space of the lower section of link arm 32 and keeps out of the way slot 36, keep out of the way slot 36 for keeping away Exempt from Fa Sheng Gan Wataru between secondary sticking department 12 and the protrusion 9 of the side male connector M.Two width dimensions for keeping out of the way slot 36 are formed as comparing The maximum width of each protrusion 9 is wide.

As shown in Fig. 6 etc., two secondary sticking departments 12 are formed as from main sticking department 33 state slightly outstanding forward.Two pairs The interval of the mutual width direction of the inner surface of sticking department 12 be set as two protrusions 9 than male connector M outer surface that Interval between this is slightly wider.In the lower surface of secondary sticking department 12, protrusion is formed with claw 38 downward respectively.As shown in Fig. 6 etc., It is formed with sliding face 41 in the lower surface of two claws 38, sliding face 41 is oblique as declining towards the rear.Such as Fig. 7, Tu12Suo Show, sliding face 41 plays following effect: during male and female connectors M, F phase is chimeric, slipping the expansion of face 41 and male connector M The rising wood for opening the opening edge of cover portion 3 is sliding, to guide to the flexing motions of lock arm 28, so as to the following table of claw 38 Face can successfully ride up to the upper surface of expansion cover portion 3.

As shown in figure 8, during male and female connectors M, F phase is chimeric, when the claw 38 of secondary sticking department 12 and expansion cover When the upper surface in portion 3 is sliding, the height of the lower surface of main sticking department 33 becomes the height substantially phase with the upper surface of main receiving portion 6 Same height, and the height for keeping out of the way the inner surface of slot 36 becomes the height roughly the same with the height of protrusion 9.That is, In the present embodiment, in the state shown in fig. 8, lock arm 28 will not further deflection deformation, and in can keep should By main receiving portion 6 and the deflected of two protrusions 9 under state.

When the chimeric completion of male and female connectors M, F, the claw 38 of secondary sticking department 12 can be locked to the side male connector M Secondary receiving portion 14.In the present embodiment, the state (shape as shown in Fig. 9, Figure 13 that will be completely fitted in male and female connectors M, F State) under, main sticking department 33 rides the rear end of the upper surface of main receiving portion 6, and the claw 38 of two secondary sticking departments 12 rides over expansion The upper surface of cover portion 3 and the position of followed by secondary receiving portion 14.

The rear surface of claw 38 is formed as the vertical face risen steeply, and secondary locking surface 39 is constituted, when the phase of male and female connectors M, F When chimeric completion, the rear surface of claw 38 is locked to secondary receiving portion 14.As described above, when male and female connectors M, F is completed, main card Only face 35 is locked to locking receiving surface 8, and at the same time, secondary receiving portion 14 is engaged with secondary 39 phase of locking surface.

The lower end of claw 38 is small flat surface, and composition beats face 40, when male and female connectors M, F phase is chimeric, is struck Face 40 is beaten to beat the upper surface of main body cover portion 2.(the yin-yang connection of the separated state of face is in male and female connectors M, F The chimeric axis of device is in consistent state: as Fig. 6 it is equal shown in state) under and lock arm 28 in the raw when, beat The height and position in face 40 is more slightly lower than the height of the upper surface of main body cover portion 2.That is, male and female connectors M, F phase it is chimeric from And secondary sticking department 12 is locked in the state of secondary receiving portion 14, claw 38 is set as the upper surface with main body cover portion 2 in height side To overlapping, to realize the reinforcing of tap-tap.

Then, the function and effect of the present embodiment configured as described are illustrated, keep male and female connectors M, F phase embedding In the case where conjunction, it is opposite to each other male and female connectors M, F (referring to Fig. 6, Figure 11).Then, if storing the terminal of female connector F The front end in portion 17 is relatively shallowly fitted into the intake section of the expansion cover portion 3 of male connector M, then as shown in Fig. 7 and Figure 12, The sliding face 41 of secondary sticking department 12 abuts to the opening edge of the expansion cover portion 3 of male connector M.

If carrying out the chimeric of male and female connectors M, F from this state, lock arm 28 is guided by the inclined-plane in the face of slipping 41, with The mode deflection deformation that front end side is gradually lifted, as shown in figure 8, claw 38 rides up to the upper surface of expansion cover portion 3.

At this point, as noted previously, as the height of the lower surface of main sticking department 33 becomes the height with the upper surface of main receiving portion 6 Spend it is roughly the same, and keep out of the way slot 36 inner surface height become it is roughly the same with the height of protrusion 9, so even if yin-yang connect It meets device M, F to be fitted into, lock arm 28 will not be with 9 Fa Sheng Gan Wataru of protrusion.Therefore, main sticking department 33 directly with main receiving portion 6 upper surface is sliding, and the upper surface of the claw 38 of secondary sticking department 12 and expansion cover portion 3 is sliding.

In addition, if chimeric carry out until male and female connectors M, F is in the chimeric position completed, since main sticking department 33 is logical Main receiving portion 6 is crossed, at the same time, two secondary sticking departments 12 are also by the upper surface for expanding cover portion 3, so 28 elasticity of lock arm is multiple Position.As a result, as shown in Figure 10, Figure 14, main sticking department 33 is locked to main receiving portion 6, and two secondary sticking departments 12 are locked to pair Receiving portion 14.Negative terminal part 16 and male part 22 is electrically connected to each other and male and female connectors M, F is locked into as a result, Chimerism.

In addition, the face 40 of beaing of the claw 38 of two secondary sticking departments 12 is beaten due to the elastic reset with lock arm 28 The upper surface of the main body cover portion 2 of male connector M, so generating tap-tap.As a result, operating personnel knows male and female connectors M, F It has been completely fitted.

The effect of the present embodiment is as described below.

It is secondary other than main sticking department 33 is with the locking of main 6 phase of receiving portion in the state that male and female connectors M, F phase is chimeric Sticking department 12 is also mutually engaged with secondary receiving portion 14.By using such double locking, connector F, M can be made mutual chimeric The retentivity of state improves.

In addition, being configured with protection in the width direction two sides of main receiving portion 6 using male connector M as in this embodiment In the case where protrusion 9, if in the past, due to needing to avoid interfering with two protrusions 9, so lock arm The part (main sticking department 33) for playing the role of locking width by main receiving portion 6 width dimensions restriction.Given this point, Such as flowering structure is used in the present embodiment: secondary sticking department 12 is configured in the two sides of the width direction of main sticking department 33, via even Knot arm 32 links secondary sticking department 12 with main sticking department 33, and slot is kept out of the way in setting between main sticking department 33 and secondary sticking department 12 36, so as to avoid the Fa Sheng Gan Wataru between protrusion 9.In this way, due to expanding lock arm 28 towards width direction Opening can be realized rigid promotion, so can expect there is sufficient retentivity connector minimizes.In addition, due to By the promotion of the rigidity of lock arm 28, the speed of elastic reset is also accelerated, so tap-tap also becomes much larger.

In addition, secondary receiving portion 14 does not use raised structures, but uses and the upper surface of the side male connector M is declined into level-one Step structure.Therefore, it can be damaged because of foreign matter as raised structures without worrying.

In addition, since the top of the claw 38 of two secondary sticking departments 12 is set as the upper surface edge relative to main body cover portion 2 Short transverse overlapping, so helping to generate big tap-tap with the elastic reset of lock arm 28.

<other embodiments>

The present invention is not limited to according to the above records and the embodiment of Detailed description of the invention, such as embodiment below is also wrapped Containing within the technical scope of the present invention.

(1) in the above-described embodiments, protrusion 9 and secondary receiving portion 14 are respectively arranged a pair, but can also only be arranged One.

(2) in the above-described embodiments, secondary receiving portion 14 uses step structure, can also use raised structures on the contrary.

(3) in the above-described embodiments, it is formed with the face of beaing 40 in secondary sticking department 12, it, can also be in master instead of the face of beaing 40 Face is beaten in the formation of sticking department 33.In this case, the step surface 5 for abolishing the side male connector M, as long as making striking for main sticking department 33 The face of beating can beat the upper surface of male connector shell 1.In any case, in main sticking department 33 and secondary sticking department 12 In, make to be formed and strikes distance of the side with a distance from hinge plate 30 than the other side from hinge plate 30 of taking taxi.If passing through this The mode of sample, then due to chimeric completion when lock arm 28 elastic reset, can make to strike the speed ratio other side of taking taxi Fastly, so facilitating the promotion of tap-tap.

(4) showing lock arm 28 in the above-described embodiments is that can also be used in the form of seesaw shape deflection deformation There is the outstanding beam texture of fulcrum in rear end.

(5) the case where present invention is suitable for water-proof connector is shown in the above-described embodiments, but also can be used in non- The connector of waterproof.

(6) in the above-described embodiments, at the time of claw 38 rides up to the upper surface of expansion cover portion 3, lock arm 28 does not occur Further deflection deformation and main receiving portion 6 and protrusion 9 can be passed through, but passing through main receiving portion 6 and protrusion 9 When, lock arm 28 can also carry out second of deflection deformation.

Description of symbols

1 ... male connector shell (shell of the 1st connector)

5 ... step surfaces

6 ... main receiving portions

12 ... secondary sticking departments

14 ... secondary receiving portions

15 ... female connector shells (shell of the 2nd connector)

28 ... lock arms

32 ... link arms

33 ... main sticking departments

40 ... beat face

M ... male connector (the 1st connector)

F ... female connector (the 2nd connector)

Claims (5)

1. a kind of connector, has: the 1st connector；

2nd connector, can be mutually chimeric with the 1st connector；

Main receiving portion is provided projectingly on the shell of the 1st connector；

Protrusion is set on the outside of the width direction of the main receiving portion；

Secondary receiving portion is set on the outside of the width direction of the protrusion；And

Lock arm, can be set to the shell of the 2nd connector with bending, and the lock arm has in the 1st connector The main sticking department of the main receiving portion can be locked to when chimeric with the 2nd connector,

The connector is characterized in that,

It is formed with secondary sticking department in the lock arm, the pair sticking department extends via from the main sticking department to width direction Link arm and join with the main sticking department connection and capable of being acted with the main sticking department for the locking of the main receiving portion It is locked to the secondary receiving portion dynamicly, is formed between the main sticking department and the secondary sticking department and keeps out of the way slot, the described 1st Connector when chimeric with the 2nd connector the protrusion keep out of the way and described keep out of the way slot.

2. connector according to claim 1, which is characterized in that

At least any one party in the secondary sticking department or the main sticking department is formed with the face of beaing, it is described beat face along with The shell of the 1st connector is beaten in the locking of the pair sticking department or the main sticking department.

3. connector according to claim 2, which is characterized in that

The chimeric central axis of the 1st connector and the 2nd connector in consistent in the state of and the lock arm be in from When right state, the height of taking taxi of striking is set as higher than the outer surface of the 1st connector beaten by the face of beaing It spends low.

4. connector described in any one to 3 according to claim 1, which is characterized in that

It is formed with step in the shell of the 1st connector, the step is lower by one than the face for being formed with the main receiving portion Grade, the pair receiving portion are formed in the step.

5. connector described in any one to 3 according to claim 1, which is characterized in that

The projecting height of the protrusion is formed as higher than the projecting height of the main receiving portion.