CN1244056A

CN1244056A - Connector assembly

Info

Publication number: CN1244056A
Application number: CN 99111960
Authority: CN
Inventors: S·佩德森; Tj·米勒
Original assignee: Osram Sylvania Inc
Current assignee: TEICH ELECTRONIC LOGISTICS AG
Priority date: 1998-07-30
Filing date: 1999-07-30
Publication date: 2000-02-09
Anticipated expiration: 2019-07-30
Also published as: EP0977322A3; EP0977322B1; CA2277682C; ES2232992T3; JP2000058199A; EP0977322A2; CA2277682A1; CN1123097C; DE69922451D1; DE69922451T2

Abstract

A connector shell, comprising a first connector shell, a second connector shell and a connector positioning safety part. Inserting the first shell into the second shell positions the locking mechanism inside the assembled first and second shells, locking the shells together so that they are not easily disengaged. When the first and second shells are securely mated, the connector positioning safety part can move from the first position toward the second position to ensure complete engagement, and lock the shells together. If the first and second housings are not fully engaged, the connector positioning securing component cannot move from the first position toward the second position.

Description

Connector assembly

The present invention relates to connector assembly, it comprises that the internal lock latch closes parts, and this assembly comprises one first connector shell, and this first connector shell engages with one second connector shell.One location insurance division spare is connected with one of them connector shell according to lock mode in advance.These location insurance parts are connected with one of them connector shell according to lock mode in advance.These location insurance parts guarantee that above-mentioned shell connects according to the mode that engages fully, and the contact in them engages fully, and above-mentioned in addition shell locks together according to lock mode.

Sometimes people need provide a kind of electric connector, and it can mechanically link together, and conducts, but they are not easy to disconnect.Such as, can electric coupler component be disconnected can produce potential safety hazard easily in high-tension application scenario.This worry betides some following electrical connection section of the cover that is positioned at motor vehicle.A kind of existing device that stops electric connector to separate is to adopt the connector shell that connects, and this shell is assembled together with the card fit system, locking interceptor (lock disabler) is set removes to avoid above-mentioned card to cooperate.U.S. Pat relates to an example of said apparatus for No. 5370550.But if desired, this device can disconnect.Other known devices depends on that adopting connector to locate insures (CPA) parts, such as No. 5236373 disclosed types of U.S. Pat.In the structure of the above-mentioned type, above-mentioned connector location insurance (CPA) makes matched connector shell external engagement, thereby above-mentioned shell is locked together.This connector location insurance (CPA) is not suitable for following connector, and this connector has internal lock door bolt parts, and this inside latch member is not exposed to the outside of connector.But, when inner latch member is set, need to use connector location insurance (CPA), so that assurance connector shell and its inner contact are matched, because generally can't observe above-mentioned connecting by human eye.Can cause following special worry like this, the tendency of promptly less connector body, this body interior has less connector contact, and this contact is not easy to arrive by eye-observation.Another worry with regard to above-mentioned tendency is to require above-mentioned less connector body to satisfy the performance requirement identical with bigger general embodiment.In order to improve the performance of above-mentioned less connector body, people have assert that preferable material is liquid crystal polymer (LCP) or material with identical characteristics.This material is called liquid crystal polymer (LCP) below.The connector body of being made by above-mentioned material must satisfy the performance requirement of final products.Also must consider the performance characteristics of liquid crystal polymer (LCP) material in addition.Another worry is that such as in common molding process, liquid crystal polymer (LCP) material has following problems in the process of making liquid crystal polymer (LCP) connector shell, and this problem relates to the filling characteristic of soldered intensity and above-mentioned material.In addition, the softness of above-mentioned liquid crystal polymer (LCP) material, but the character that has certain rigidity again relates to the ability of making the actual less connector assembly with connector location insurance (CPA) performance and inner latch member.

The object of the invention is to provide a kind of connector assembly that overcomes the defective in the above-mentioned prior art.

Another object of the present invention is to provide a kind of connector assembly, it has connector location insurance parts, and these parts can only action when connector assembly engages fully according to juncture.

A further object of the present invention is to provide a kind of connector assembly, and it has connector location insurance parts, and these parts are placed on the connector shell in the connector assembly in advance according to lock mode in advance.

Another purpose of the present invention is to provide a kind of connector assembly, and it has connector location insurance parts, and this assembly comprises the lock bolt attachment, and when engaging fully according to juncture, these parts are hidden and can't see.

Another purpose of the present invention is to provide a kind of connector assembly, and this assembly is made by the liquid crystal polymer that satisfies foregoing all purposes (LCP).

Another purpose of the present invention is to provide a kind of connector assembly, and it can be made by the liquid crystal polymer with required soldered intensity (LCP).

Another purpose of the present invention is to provide a kind of less connector assembly, and it is formed by liquid crystal polymer (LCP), and this assembly has connector location insurance (CPA) performance, and this performance has the satisfied rigidity and the characteristic of resistance.

Above and other objects of the present invention realize that by following connector assembly is provided this connector assembly comprises one first and second connector shell, and location insurance parts.This first connector shell extends to opposite second end from first end, and this first connector shell comprises protuberance, and this protuberance is stretched out by one first connector shell surface.Second connector shell extends to relative end from an end, and it comprises flexible locking tongue.This locking tongue comprises one first tongue piece portion and one second tongue piece portion, and this first tongue piece portion extends to one first free end from the stiff end that is connected with one second connector shell wall, and second tongue piece portion extends to the second relative free end from above-mentioned first free end.Second free end comprises attachment.This second connector shell slidably engages with first connector shell along the longitudinal axis, so that respectively according to engaging and being disengaged mode, make protuberance and attachment engage fully and be disengaged.Thereby above-mentioned elastic locking tongue piece adopts such structure and above-mentioned first tongue piece portion of layout to make attachment deviate from the longitudinal axis motion according to the mode of being disengaged towards the motion of longitudinal axis, and the release of first tongue piece portion makes attachment return towards longitudinal axis according to juncture.Above-mentioned location insurance parts are connected with second connector shell in mobilizable mode, thereby and adopt such structure and layout according to juncture, insurance parts in location make the relative locking tongue of insurance parts location, location along moving of locking direction, be enough to stop first tongue piece portion towards longitudinal axis like this, and attachment deviate from the motion of longitudinal axis, so that make the joint locking of protuberance and attachment according to lock mode.

Accompanying drawing with reference to following can be expressly understood the present invention, and same numeral is represented identical parts in this accompanying drawing, wherein:

Fig. 1 is the decomposition diagram of an embodiment of connector assembly of the present invention;

Fig. 2 is the end-view of connector shell 14 shown in Figure 1;

Fig. 3 is the perspective view of the connector shell shown in Figure 1 14 seen from the bottom;

Fig. 4 is the profile of connector shell 14 shown in Figure 1, the figure shows to be in the location insurance parts of one embodiment of the present of invention of lock mode in advance;

Fig. 5 is and the similar profile of Fig. 4, but the figure shows the location insurance parts that are in lock mode, wherein do not have the connector shell 12 with connector shell 14 attachments;

Fig. 6 is the bottom perspective view of insurance parts in location shown in Figure 1;

Fig. 7 is the top perspective of insurance parts in location shown in Figure 6;

Fig. 8 is the plane graph of insurance parts in location shown in Figure 7, the figure shows to be in the inner case of the connector shell shown in Figure 1 14 of lock mode in advance;

Fig. 9 is the enlarged drawing of the retainer of insurance parts in location shown in Figure 8;

The operation of the connector assembly in Figure 10 a-10d presentation graphs 1.

In order to understand the present invention, other and further purpose, advantage and performance of the present invention better, below in conjunction with above-mentioned accompanying drawing, with reference to the following appended claim of description and back.

Represented embodiments of the invention are particularly suitable for reaching purpose of the present invention in the accompanying drawing.Fig. 1～3 expression connector assemblies, it comprises one first connector shell 12 and one second connector shell 14.Just as described in this specification like that, this

shell

12 and 14 slidably is bonded with each other.Connector assembly shown in Fig. 1～3 also comprises connector location insurance parts 16.

Connector shell 12 extends from an end 22 towards an opposed end 24 along the direction 18 of axis 20.This shell 12 includes chamber 26 and housing base 28, offers porosely 30 in this housing base 28, and installing component can insert this hole such as the screw (not shown), so that shell 12 is installed on area supported, on car panel.This shell 12 comprises a plurality of contact (not shown)s, and each contact passes the respective aperture 32 in the matrix 28 and stretches in the chamber 26.The end of each contact of stretching out the outside in chamber 26 from the surface 34 of matrix 28 can be connected with the connector that is fit to according to common mode.Contact in this shell 12 can be common connector contact or consent contact.In the embodiment shown in Fig. 1-3, the contact in the chamber 26 is the connector contact.Such structure and layout are adopted in end 24, so that matched with shell 14.Connect for the ease of realizing, shell 12 comprises key member.Particularly, shell 12 comprises strip key 36, and it is 38 extensions from the surface.Key 36 extends along the direction 18 of axis 20.This shell 12 comprises protuberance 40, and it is 42 extensions from the surface.This protuberance 40 comprises inclination protuberance cam face 44 and protuberance abutment surface 46.

Connector shell 14 extends from an end 52 towards an opposed end 54 along the direction 48 of axis 50.The lid 58 that shell 14 has chamber 56 and end 52 is covered.This shell 14 comprises a plurality of contact (not shown)s.A plurality of conductors stretch in the shell 14, and each conductor is connected with corresponding contact.Particularly, each conductor (not shown) is passed the respective aperture of covering in 58 60, so that realize common conducting and mechanical connection with corresponding contact.Such as, each conductor can weld with corresponding contact in a conventional manner.Contact in the shell 14 can be common connector contact or consent contact.In the embodiment shown in fig. 1, the contact in the chamber 56 is the consent contact.Shell 14 comprises the lid 62 that is positioned at chamber 56, and this lid has a plurality of holes 64, and these holes are aimed at the connector contact in the shell 12.Such structure and layout are adopted in end 54, so that matched with the end 24 of shell 12.In order to realize that this connects, above-mentioned shell 14 comprises key member.Particularly, shell 14 comprises strip keyway 66, and this keyway 66 extends near the wall 68 in chamber 56.Keyway 66 extends along the direction 48 of axis 50.Key 36 and keyway 66 adopt such structure and layout so that realize connecting mutually, so that

shell

12 and 14 engages with sliding type.Connector contact in the

corresponding shell

12 and 14 and consent contact adopt such structure and layout, so that realize connecting according to common mode in the above-mentioned process that engages with sliding type, thereby realize conducting and mechanical connection between them.

Referring to figs. 1 through 5, connector shell 14 comprises elastic locking tongue piece 70, and this tongue piece 70 comprises one first tongue piece portion 72, and it extends towards first end 52 from the stiff end 74 that is connected with the wall 76 of shell 14.First tongue piece portion 72 extends to one first free end 78.This locking tongue 70 comprises one second tongue piece portion 80, and it extends towards the second end 54 from free end 78.Second tongue piece portion 80 extends to one second free end 82.Free end 82 comprises attachment 84.Said structure forms the latch member with second tongue piece portion, 80 forms, and this second tongue piece portion 80 is connected with connector shell 14 by an independent bending part, and this independent bending part is formed by first tongue piece portion 72 that is positioned at the finger presses location.In the manner described above, can not produce serious stress concentration at the hinge contact part place of locking tongue 70.Satisfied bending takes place in the latch member that also makes said structure in less connector assembly.In addition, said structure allows to produce required bending at the thumb pad place that is formed by first tongue piece portion 72, thereby makes second tongue piece portion 80 produce required bending.Because the architectural feature of tongue piece 70, shell 14 molded more or less freely.

Just as described in this specification like that, connector shell 12 and its protuberance 40 are along the direction 86 and 86 ' of connector assembly longitudinal axis 88, slidably engage with connector shell 14 and attachment 4, so that this protuberance and attachment are engaged according to juncture respectively fully, throw off according to the disengagement mode.When

shell

12 and 14 was in engagement state, axis 88 overlapped with axis 20 and 50.

With reference to Fig. 4, elastic locking tongue piece 70 adopts such structure and layout so that along pushing first tongue piece portion 72 towards the direction 90 of axis 50 attachment 84 are moved along the direction 92 of away from axis 50.When

shell

12 and 14 interconnected, described like that just as this specification, above-mentioned pushing made them separate according to the disengagement mode.

Above-mentioned location insurance parts 16 are connected with connector shell 14 in mobilizable mode.Thereby these location insurance parts 16 adopt such structure and layout according to above-mentioned juncture, 54 motion makes this location insure parts to locate according to lock mode this location insurance parts towards the end, here, these location insurance parts are enough to stop the motion of (a) first tongue piece portion 72 towards the direction 90 of axis 88, and (b) attachment 84 towards the motion of the direction 92 of away from axis 88, so just, according to juncture, the locking of protuberance 40 and attachment 84 is engaged, promptly avoid protuberance and attachment to throw off.For this reason, insurance parts in location of the present invention can comprise at least one first biasing member and at least one second biasing member.When this first and second biasing member can adopt such structure and layout to be in the lock state with box lunch, (a) the relative locking tongue at least one first biasing member surface 70 location, thereby stop tongue piece portion 72 towards axis 88 motions, (b) relative locking tongue location, at least one second biasing member surface, thus 88 motions of attachment 84 away from axis stoped.Such as, in the embodiment shown in Fig. 1,4 and 5, second tongue piece portion 80 in the locking tongue 70 comprises one first supporting leg 94 and one second supporting leg 96, every supporting leg extends towards attachment 84 from free end 78 along the direction 48 of axis 50.This supporting

leg

94 and 96 is spaced from each other so that form opening 98 between them.This location insurance parts 16 comprise matrix 100 and one first biasing member, and this first biasing member is formed by elasticity the

first arm

102, and 50 direction stretches into the opening 98 this arm from matrix along axis.This first arm 102 adopts such structure and layout so that according to juncture, location insurance parts 16 make the surface alignment of the first arm adjacent with attachment 84 along moving of the locking direction 104 of axis 88 relatively, be enough to stop attachment moving like this along direction 92, and stop these attachment and protuberance 40 to be thrown off, this point will specifically describe in the back of this specification.

In the embodiment shown in Fig. 1 and the 5-7, above-mentioned location insurance parts 16 comprise two second biasing members with a first area 106 and a second area 108 forms.In Fig. 5, only can see zone 108.Thereby first and second zones 106,108 adopt such structure and layout according to juncture, above-mentioned location insurance parts 16 locate first and second supporting

legs

94,96 in the 106 relative locking tongues 70 with 108 of zone along moving of direction 104, so that be enough to stop first tongue piece portion 72 to be moved, further stop attachment 84 moving thus along direction 92 along direction 90.

If desired, thereby location of the present invention insurance parts can adopt such structure and layout according to lock mode, and one first distal surface in first biasing member engages with a first surface of attachment, so just prevent this location insurance parts disengagement locking.Such as, in the embodiment shown in fig. 5, the first arm 102 comprises and colludes shape distal end sections 110 that this section 110 comprises one first distal surface 112.Thereby this elasticity the first arm 102 adopts such structure and layout according to lock mode, above-mentioned surperficial 112 engage with the surface 114 of attachment 84, so that prevent location insurance parts, prevent engagement lugs 40 and attachment 84 disengagement lockings thus along direction 104 ' motion.

If desired, insurance parts in location of the present invention can comprise at least one retainer, second connector shell can comprise at least one retainer biasing member, this retainer adopts such structure and layout, so that engage, so just will locate insurance parts and second connector shell and be connected according to lock mode in advance with the retainer biasing member.Such as, in the embodiment shown in Fig. 6～8, these location insurance parts 16 comprise elasticity the 3rd arm 118 that elasticity one second arm 116 is relative with, they stretch out from matrix 100 along the direction 48 of axis 50.

Arm

116 and 118 provides the repellence and the rigidity of usefulness for less connector assembly.This

arm

116 and 118 is spaced from each other, so that form opening 120 between them.This first arm 102 stretches into the opening 120 between second arm 116 and the 3rd arm 118.With reference to Fig. 8, this arm 116 comprises retainer 122, and above-mentioned arm 118 comprises retainer 124.Second connector shell 14 comprises one first retainer biasing member 126 and the second relative retainer biasing member 128, they from the chamber 56

respective wall

68 and 130 stretch out.Thereby this

retainer

122 and 124 adopts such structure and layout respectively retainer

biasing member

126 and 128 to be engaged, and so just according to lock mode in advance above-mentioned location insurance parts 16 is connected with shell 14.Above-mentioned layout prevents that above-mentioned location insurance parts are along direction 104 and 104 ' motion.

If desired, first biasing member in the above-mentioned location insurance parts can comprise one second distal surface, and this surface engages with a second surface of second attachment according to lock mode in advance.In this embodiment, second far-end in these attachment and second surface, retainer and retainer biasing member can adopt such structure and layout so that in the occasion except juncture, stop these location insurance parts along direction 104 and 104 ' motion.Such as, in the embodiment shown in fig. 4, distal end sections 110 can comprise one second distal surface 132, this surface 132 is relative with first distal surface 112.Thereby elasticity the first arm 102 adopts such structure and layout according to lock mode in advance, and surface 132 engages with surface 134 in the attachment 84.Surface 134 is relative with surface 114.In the present embodiment, the apparent surface 134, such structure and layout are adopted in surface 132, relative in addition each

retainer biasing member

126 and 128,

retainer

122 and 124 adopts such structure and layout, except at

shell

12 and 14 according to mode described later, the occasion beyond slidably engaging stops above-mentioned location insurance parts 16 along direction 104 and 104 ' motion.

Embodiment shown in the drawings can pass through mechanography, and (LCP) makes by liquid crystal polymer.In mould, pour into a mould so that form liquid crystal polymer (LCP) connector shell 14, thereby form weak weld seam, this weld seam trend makes the direction 48 of connector shell according to axis 50, extends and constitutes the wall portion 136 of this first tongue piece portion 72 and wall portion 138 separately along relative first tongue piece portion 72.In order to overcome the problems referred to above, shell 14 can adopt liquid crystal polymer (LCP) molded in the following manner, and this mode is that

wall portion

136 and 138 comprises rib 140, and this rib 140, extends along the direction 48 of axis 50 54 towards the end 52 from the end.This rib 140 has been eliminated the tendency that shell 14 separates at

surface element

136 and 138 places, can provide humidification to first tongue piece portion 72 in addition, and this first tongue piece portion 72 is bent in the use of connector assembly.

In the embodiment shown in Fig. 6～8, above-mentioned location insurance parts 16 comprise bridging component 142, and it is at the first arm 102 and second arm 116, and extension between the first arm 102 and the 3rd arm 118.

Thereby location of the present invention insurance parts can adopt such structure and layout according to lock mode in advance, and this location relative second connector shell of insurance parts is in a fixed position, and at engagement state, this location is insured parts and be can move to lock-out state.Such as, with reference to Fig. 6～9, above-mentioned

retainer

122 and 124 all can comprise one first retainer surface 144, the second retainer surface 146 relative with one, and they are stretched out by retainer matrix 148.In this embodiment, the first and second

retainer biasing members

126 and 128 are according to lock mode extension between

corresponding retainer surface

144 and 146 in advance.With reference to Fig. 9, each first retainer surface 144 relative retainer main bodys 148 are stretched out first distance 150 according to first angle 152, and this angle 152 and length 150 are enough to make above-mentioned location to insure parts and firmly are connected with connector shell 14 according to lock mode in advance.Each second retainer surface 146 is stretched out second distance 154 by retainer 148 according to second angle 156, as this specification is described later, when connector assembly is in engagement state, this angle 156 is enough to make above-mentioned location insurance parts 16 to move along the directions 104 of relative longitudinal axis 88 with distance 150.In the embodiment shown in Fig. 6～9, angle 152 is 90 °, and length 150 is such, thereby when retainer surface 144 is in 90 ° orientation, in case be in lock-out state in advance shown in Figure 8, these location insurance parts 16 are impossible along the motion of direction 104 '.Angle 156 is an acute angle, and distance 154 is such, and when retainer surface 146 was in the acute angle orientation, if

shell

12 and 14 is in engagement state, these location insurance parts 16 can move along direction 104.

Use to connector assembly shown in the drawings is described below.At first this connector shell l4 and location are insured parts 16 according to lock mode assembling in advance.For this reason, above-mentioned location insurance parts 16 are from the end 52, insert the opening 56 of shells 14 along direction 104, and this point can be clear that from Fig. 3 and 8.Particularly, end 82,158 and 160 in the arm 102,116 and 118 is inserted into respectively in the opening 56, thereby supporting

leg

116 and 118 slides along the surface of the flute profile in the shell 14 162 and 164, slides in the opening 98 of supporting leg 102 between the supporting

leg

94 and 96 of locking tongue 70.This slip continues to carry out until the surface 134 near attachment 84, the surface 132 of the end 82 of arm 102, and

retainer biasing member

126 and 128 engages with

corresponding retainer

122 and 124 according to lock mode in advance shown in Figure 8.In this position, above-mentioned location insurance parts 16 and connector shell 14 lockings.Particularly,

surface

132 and 134 joint prevents these location insurance parts 16 along the moving of direction 104, and

retainer biasing member

126 and 128 engages with the respective stop portion surperficial 144 of

respective stop portion

122 and 124 and prevents that above-mentioned parts 16 from moving along direction 104 '.

With reference to Fig. 1 and 10a～10c, when needs link together

connector shell

12 and 14, key 36 and keyway 66 are connected, the end 26 with shell 12 is inserted in the opening 56 of shell 14 at 54 places, end afterwards.When being inserted into shell 12 in the opening 56, the surface 44 of protuberance 40 engages with the surface 114 of the attachment 84 of locking tongue 70, shown in Figure 10 a.The athletic meeting that shell 12 is inserted in the opening 56 constantly makes surface 44 allow attachment 84 make camming movement along direction 92, is pressed against until these attachment on the end face 166 of protuberance 40, shown in Figure 10 b.Shell 12 continues to the motion of opening 56 (a) attachment 84 to be return along direction 92 ', thereby the surface of attachment 84 134 is adjacent with the surface 46 of protuberance, (b) makes surface 44 allow the distal end sections 110 of arm 102 make camming movement along direction 92 in addition, be pressed against until this section 110 on the end face 166 of protuberance 40, shown in Figure 10 c.When the state that is in shown in Figure 10 c, connector shell 12 is connected according to the modes that engage fully mutually with 14.

When the state that is in shown in Figure 10 c,

shell

12 and 14 can be separated from each other by following manner, this mode is for to reach enough degree so that attachment 84 are moved along direction 92 by first tongue piece portion 72 that pressure-locks along direction 90 in the tongue piece 70, make surface 134 break away from the path on the surface 46 of protuberance 40 thus, make locking tongue 70 be in disengaged condition like this.In this position, when shell during along direction 86 ' motion, this protuberance 40 no longer engages with attachment 84, so no longer prevent

shell

12 and 14 disengagements.

With reference to Fig. 8,9 and 10d, when after

connector shell

12 and 14 is in engagement state, in the time of need and locking together shell, with enough big power above-mentioned location insurance parts 16 are moved along direction 104, thus

resilient legs

116 and 118 crooked and be enough to overcome the formed resistance that moves that engages of retainer surface 146 and retainer biasing member 126 accordingly and 128 along direction 104.Above-mentioned location insurance parts 16 make the distal end sections 110 of arm 102 return along direction 92 ' along the persistent movement of direction 104, thereby protuberance 40 enters the opening 98 between supporting

leg

94 and 96, and surface 112 is adjacent with surface 114, shown in Figure 10 d.When being in this position, the surface 170 of the attachment 84 in the surface of arm 102 168 and the locking tongue 70 is adjacent, the zone 106 in these

location insurance parts

16 and 108 and the

respective leg

94 and 96 of locking tongue in surface 172 adjacent.At the lock-out state shown in this Figure 10 d,

connector shell

12 and 14 can not disconnect and being connected, and connects out because the surface 134 of the attachment in the locking tongue 70 in the shell 14 can not be thrown off with the surface 46 of protuberance 40 in the shell 12.Owing to

zone

106 and 108 prevents to push first tongue piece portion 72 along direction 90 with engaging of surface 172, so just prevent above-mentioned disengagement, surface 168 prevents that with engaging of surface 170 attachment 84 from moving along direction 92 in addition.

Only for adopting the part among a plurality of embodiment of the present invention, they are described by illustrative mode described here embodiment, but they do not have limiting meaning.Obviously, under the situation of not leaving the essence of the present invention and the scope of asking for protection basically, can make a plurality of other the embodiment that are easy to those skilled in the art to draw.

Claims

1. A connector assembly comprising:

a first connector housing extending from a first end toward an opposite second end, the housing including a protrusion protruding from a first connector housing wall;

A second connector housing extending from one end toward the opposite end, the housing including a resilient locking tongue comprising a first tongue portion and a second tongue portion, the first The tongue portion extends from a fixed end connected to a second connector housing wall to a first free end, and the second tongue portion extends from the first free end to an opposite second free end, and the second free end including an engaging member, the second connector housing slidably engages with said first connector housing along a longitudinal axis to engage and disengage said projection and said engaging member in an engaging and disengaging manner, respectively, The resilient locking tongues are so constructed and arranged that movement of the first tongue portion towards the longitudinal axis causes the engaging member to move away from the longitudinal axis in a disengagement manner, and disengagement of the first tongue portion causes the engaging member to disengage. the components are retracted towards said longitudinal axis in an engaged manner;

The positioning securing part is movably connected with the above-mentioned second connector, and it adopts such a structure and arrangement that according to the above-mentioned engagement mode, the movement of the positioning securing part along the locking direction makes the positioning securing part relative to the locking tongue Positioned so as to sufficiently resist movement of said first tongue portion toward said longitudinal axis, and movement of said engagement member away from said longitudinal axis, such that engagement of said projection and said engagement member is locked in a locking manner.

2. The assembly according to claim 1, characterized in that, the above-mentioned positioning insurance component comprises at least one first abutment component and at least one second abutment component, and the first and second abutment components adopt such a structure and Arranged so that (a) at least one first abutment member surface is positioned relative to said locking tongue so as to prevent movement of said engagement member away from said longitudinal axis in said locking manner, and (b) at least one second abutment member surface is opposite Said locking tongue is positioned so as to prevent movement of said first tongue portion towards said longitudinal axis according to said locking manner.

3. The assembly of claim 2, wherein said at least one first abutment member includes a first distal surface that engages a first surface of said engaging member in a locking manner, thereby preventing said The positioning safety part moves in a direction opposite to the above-mentioned locking direction.

4. The assembly according to claim 3, wherein the above-mentioned positioning securing part comprises at least one stop part, and the above-mentioned second connector housing comprises at least one stop part pressing part, and the stop part adopts such Structured and arranged so as to engage with the above-mentioned stopper abutting part to connect the above-mentioned positioning securing part with the above-mentioned second connector housing in a pre-locked manner.

5. The assembly of claim 4, wherein said at least one first abutment member includes a second distal surface engaged with a second surface of said engagement member in a pre-locked manner, said first The two distal surfaces and the second surface of the above-mentioned engaging part, as well as the above-mentioned stop part and the above-mentioned stop part pressing part adopt such a structure and arrangement so as to prevent the above-mentioned positioning safety part from moving along the above-mentioned longitudinal axis movement.

6. The assembly according to claim 5, wherein the protrusion and the first abutment member are structured and arranged such that the protrusion engages with the first abutment member so that the first abutment The resting part is moved away from the longitudinal axis, so that the positioning securing part moves in the locking direction.

7. The assembly of claim 1, wherein said second connector housing wall includes an outer surface including a rib extending from said one end toward the other end, said rib extending along The outer surface of the first tongue portion extends.

8. The assembly of claim 1, wherein said second tongue portion includes a first leg and a second leg each extending from said first free end toward said engaging member, said first leg The first and second legs are spaced apart so as to form an opening therebetween, and the above-mentioned positioning safety member includes a base body and an elastic first arm extending from the base body into the above-mentioned opening, and the above-mentioned first arm adopts such a structure and arrangement that Movement of the positioning securing member in the locking direction in the engaging manner brings the first arm into abutment with the engaging member so that the first arm resists movement of the engaging member in the locking manner.

9. The assembly according to claim 8, characterized in that, the positioning securing part comprises a first area and a second area, the first area is aligned with the first leg, and the second area is aligned with the first leg The two legs are aligned, and the above-mentioned first and second regions adopt such a structure and arrangement that the movement of the above-mentioned positioning safety component along the above-mentioned locking direction in the above-mentioned engagement mode makes the above-mentioned first and second regions and the above-mentioned first and second respectively. The legs are abutted such that the first and second regions resist movement of the first tongue portion according to the locking manner.

10. The assembly according to claim 9, wherein the above-mentioned positioning securing member further comprises a second elastic arm, an opposite elastic third arm spaced apart from the second arm, and the second and third arms are opposite to each other. said base protrudes, said first arm extends between said second and third arms, said second arm includes a first stop, said third arm includes an opposing second stop, and said second The connector housing includes a first stopper abutment part and an opposite second stopper abutment part, and the first and second stoppers are constructed and arranged so as to be compatible with the first and second stoppers. The pressing part is engaged with the part so as to connect the above-mentioned positioning safety part with the above-mentioned second connector housing in a pre-locked manner.

11. The assembly of claim 10, wherein said first arm includes a first distal surface and an opposite second distal surface, wherein said first distal surface and said engagement member One of the first surface of the above-mentioned engaging part is engaged, so as to prevent the positioning safety part from moving in the direction opposite to the above-mentioned locking direction. According to the pre-locking mode, the above-mentioned second distal end surface is engaged with the opposite second surface of the above-mentioned engaging part. The above-mentioned second The distal end surface and the second surface of the above-mentioned engagement member, and the above-mentioned first and second stopper portions, and the corresponding first and second stopper portion abutment members are constructed and arranged so as to prevent The above-mentioned positioning safety component moves along the direction of the above-mentioned longitudinal axis.

12. The assembly according to claim 11, wherein the protrusion and the first abutment member are constructed and arranged so that the protrusion engages with the first abutment member so that the first abutment A movement of the part away from said longitudinal axis moves said positioning securing part in said locking direction.

13. The assembly of claim 12, wherein said second connector housing wall includes an outer surface including a rib extending from said one end toward said other end, said rib The portion extends along the outer surface of the first tongue portion.

14. The assembly according to claim 13, wherein said first connector housing includes a first key member, and said second connector housing includes a second key member, said second key member being compatible with said first key member. A key member is mated to slidably engage the first connector housing with the second connector housing.

15. The assembly of claim 10, wherein said positioning assurance member includes a bridge member extending between said first arm and said second arm, and said first arm and said third arm.

16. The assembly of claim 12, wherein said first detent and said second detent each comprise a first detent surface and an opposing second detent surface, said surfaces extending from The stopper base protrudes, said first and second stopper abutment members extend between respective first and second stopper surfaces in said pre-locking manner, said first stopper surface in accordance with a first An angle protrudes a first distance relative to the base of the stopper part, the first distance and the first angle are sufficient to securely connect the positioning safety component with the second connector shell according to the above-mentioned pre-locking method, and the surface of the second stopper part A second distance protrudes relative to the stopper base at a second angle, and the second distance and the second angle are sufficient to move the positioning safety component along the locking direction according to the engagement mode.