CN105244650B - Connector - Google Patents
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- CN105244650B CN105244650B CN201510390716.1A CN201510390716A CN105244650B CN 105244650 B CN105244650 B CN 105244650B CN 201510390716 A CN201510390716 A CN 201510390716A CN 105244650 B CN105244650 B CN 105244650B
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- terminal
- accommodating chamber
- female end
- locking lance
- insert
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Abstract
The present invention provide it is a kind of can well visual confirmation terminal to the connector of the midway insert state of accommodating chamber.Female connector (1) includes：Accommodating chamber (4), cloudy housing (2) internal stretch and be formed hollow form, extending direction rear side have the sub- insert port of female end (5)；And female end is sub (3), can be inserted into the inside of accommodating chamber (4) along extending direction from the sub- insert port of female end (5).Female connector 1 is formed with the female end sub (3) to contact with each other in insert action and the contact site of accommodating chamber (4) so that：In the insert action being inserted into for the scheduled normal position of extending direction that female end sub (3) is received into accommodating chamber (4) from the sub- insert port of female end (5), requirement insertion force that female end (3) move in extending direction female end (3) a part from position (stroke (D1)) become the maximum (P1) of the sub- insert port of female end (5) protrusion.
Description
Technical field
The present invention relates to connectors.
Background technology
Conventionally, there is known following connector, including：It is (empty to be inserted into the accommodating chamber set in the housing for terminal
Chamber) in；And locking lance, the inner surface in accommodating chamber is provided projectingly, is formed to be capable of flexible deformation (referring for example to patent text
It offers 1).In such connector, during terminal is inserted into accommodating chamber, lance is engaged to the direction of insertion with terminal
Orthogonal direction deflection deformation engages lance elastic reset at the time of terminal is inserted into normal position, so as to which terminal is locked
Lance engages in the accommodation room.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-22155 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2004-14504 bulletins
Invention content
The technical issues of present invention is to be solved
Incidentally, in previous connector, the influence of configuration, shape due to for example engaging lance etc., some situations
Under, even if after the entirety of terminal is inserted into accommodating chamber, the locking lance of deflection deformation can not reset completely, become end
Son does not reach the midway insert state of normal position.Under the insert state of midway, it is possible to when connector is used on terminal
It is in contact bad.Accordingly, it is desirable to be able to the midway insert state of visual confirmation terminal.
The present invention be it is completed in view of the above circumstances, being capable of visual confirmation end well its purpose is to provide one kind
Son is to the connector of the midway insert state of accommodating chamber.
Technical teaching for solving the problem was
To solve the above-mentioned problems, connector of the invention is characterised by comprising：Accommodating chamber, in the inside of housing
Extend and be formed hollow form, there is insert port in the side of extending direction；And terminal, can from the insert port along
The extending direction is inserted into the inside of the accommodating chamber, and is formed with the terminal to contact with each other in insert action and institute
State the contact site of accommodating chamber so that：Described the predetermined of the indoor extending direction is being accommodated in order to which the terminal is received into
Normal position and by the terminal from the insert action that the insert port is inserted into, it is desirable that insertion force is in the terminal
A part becomes maximum from the position that the insert port protrudes, wherein, it is desirable that insertion force is that the terminal is made to be moved in direction of insertion
Dynamic and the bottom line of requirement external force.
It is further preferred, that the connector includes：Lance is engaged, is provided projectingly from the inner surface of the accommodating chamber, and
It is formed to be capable of flexible deformation；Engaged part is set to the terminal, can be with the locking lance in the normal position
Locking；And protrusion, it is arranged on the terminal and reaches the terminal that the normal position foregoing description locking lance is abutted
Surface on.
In addition, in the connector, it is preferred that the engaged part is communicatively set with the inside of the terminal
It puts and in the normal position and the chimeric locking lance hole of the locking lance,
The protrusion be arranged on it is among the outer rim in the locking lance hole, the terminal reach the normal position it
The preceding position abutted with the locking lance.
It is further preferred, that the connector includes being provided projectingly and being formed to from the inner surface of the accommodating chamber
The locking lance of enough flexible deformations, the locking lance have from its base end part side to front end side, the insertion side towards the terminal
To the inclined surface for forming upward slope, the inclined surface is formed：The terminal a part from the position that the insert port protrudes
Put it is described require insertion force become maximum.
Invention effect
The connector of the present invention is in the case where terminal is not inserted into and accommodates indoor normal position, a part for terminal
Protruded from housing, therefore, play can well visual confirmation terminal to this effect of midway insert state of accommodating chamber.
Description of the drawings
Fig. 1 is the outline structure of the female connector of an example of the connector for being shown as one embodiment of the present invention
Exploded perspective view.
Fig. 2 is the II-II sectional views in Fig. 1.
Fig. 3 is the stereogram of female end in Fig. 1 from short transverse downside.
Fig. 4 is show in the insert action of female end of present embodiment insertion force become the maximum state, cloudy
The longitudinal section view of connector.
Fig. 5 is to show that in the insert action of female end of present embodiment female end is received in the accommodation room regular
State, female connector the longitudinal section view of position.
Fig. 6 is that in the insert action for female end for showing present embodiment, female end requirement insertion force and stroke are (cloudy
Terminal is to the insertion of accommodating chamber) relationship figure.
Reference sign
1 female connector (connector)
2 cloudy housings (housing)
3 female ends (terminal)
4 accommodating chambers
The sub- insert port of 5 female ends (insert port)
7 locking lances
71a inclined surface
12 lockings lance hole (engaged part)
13 protrusions
Specific embodiment
Hereinafter, the embodiment of the connector based on the description of the drawings present invention.In addition, in the following figures, identical
Or comparable part marks identical reference numeral, does not repeat its explanation.
[embodiment]
Illustrate the composition of the connector of one embodiment of the present invention with reference to Fig. 1~3.Fig. 1 is shown as the present invention
The exploded perspective view of the outline structure of the female connector of one example of the connector of one embodiment.Fig. 2 is the II- in Fig. 1
II sectional views.Fig. 3 is the stereogram of female end in Fig. 1 from short transverse downside.
The connector of present embodiment is configured to the inner containment terminal in housing, and makes the terminal and other side's side terminal
It is conductively connected.In the present embodiment, it as an example of such connector, enumerates and female end 3 is accommodated in cloudy housing 2
And the female connector 1 formed illustrates.That is, cloudy housing 2 and female end 3 are an examples of housing and terminal.The moon connection
Device 1 and the male connector of chimeric other side are (not shown) chimeric, so as to by internal female end 3 with being accommodated in male connector
In male it is (not shown) conducting connection.Female connector 1 and male connector are by will be in the female end of respective inner containment
Son 3 and male are conductively connected, so as to by electric wire link with each terminal is electrically connected to each other, so-called wire pair electric wire company
The bindiny mechanism connect.
As shown in Figure 1, 2, female connector 1 includes cloudy housing 2 and female end 3.
Cloudy housing 2 is the structure for the main body for forming female connector 1.The whole synthetic resin by insulating properties of cloudy housing 2
It is integrally formed using mold etc. Deng composition.Cloudy housing 2 is formed substantially rectangular case (cuboid) shape on the whole.Cloudy housing 2 has
There are the multiple accommodating chambers 4 for extending and being formed hollow form inside it and female end 3 can be accommodated.In the present embodiment,
As shown in Figure 1, in cloudy housing 2, in the front surface 21 of one of outer surface of the observation as substantially rectangular box-like, along before this
First edge direction (width direction shown in FIG. 1) on surface 21 has been adjacent to 6 accommodating chambers 4, also, along with first side
Direction the second orthogonal edge direction (short transverse shown in FIG. 1) has been adjacent to 2 accommodating chambers 4, that is, is provided with 6 × 2=12
A accommodating chamber 4.These 12 accommodating chambers 4 are formed along the front surface 21 of cloudy housing 2 and with being configured in the front surface 21
The direction (extending direction shown in FIG. 1) that the back surface 22 of opposite side is opposite all extends in the same direction.
As shown in Fig. 2, the back surface 22 in cloudy housing 2 is provided with the sub- insert port 5 of female end, the sub- insert port 5 of the female end with it is each
A accommodating chamber 4 connects, as female end 3 to be inserted into the insert port in accommodating chamber 4.In addition, in the front surface of cloudy housing 2
21 are provided with contact insert mouth 6, and contact insert mouth 6 is connected with each accommodating chamber 4, and the contact of male is allowed to enter accommodating chamber
In 4.That is, accommodating chamber 4 cloudy housing 2 internal stretch and be formed hollow form, and at the both ends of its extending direction, i.e. cloudy shell
Opposite a pair of of the front surface 21 and back surface 22 of body 2 are open.
As shown in Fig. 2, accommodating chamber 4 by cloudy housing 24 internal faces, be more specifically the 1st internal face 41, the 2nd inner wall
Face 42, the 3rd internal face 43, the 4th internal face (not shown) etc. are formed as a generally rectangular the space of shape.Herein, the 1st internal face 41 with
2nd internal face 42 is relative to each other.3rd internal face 43 and the 4th internal face are relative to each other, also, in the 1st internal face 41 and the 2nd
Wall surface 42 is substantially orthogonal.
In the following description, by the extending direction of the accommodating chamber 4 shown in Fig. 1,2, a pair of of front surface 21 of i.e. cloudy housing 2
And the direction (left and right directions of Fig. 2) that back surface 22 is opposite is denoted as " extending direction ", and 21 sidelights of front surface are made " front side ", will be carried on the back
" rear side " is made in 22 sidelights of surface.In addition, by the 1st internal face 41 of the accommodating chamber 4 shown in Fig. 2 side opposite with the 2nd internal face 42
" short transverse " is denoted as to (upper and lower directions of Fig. 2), " upside " is made into 41 sidelights of the 1st internal face, 42 sidelights of the 2nd internal face are made
" downside ".In addition, the 3rd internal face 43 of accommodating chamber 4 direction (depth direction of Fig. 2) opposite with the 4th internal face is denoted as " wide
Spend direction ".That is, in the present embodiment, in cloudy housing 2, the accommodating chamber 4 formed along extending direction in inside is in height side
It is configured side by side side by side, in width direction Room 6 to 2 floor.From the sub- insert port of female end being set on rear side of the extending direction of cloudy housing 2
5 are inserted into female end 3 on front side of extending direction in accommodating chamber 4.It, as shown in Figure 1, 2, will be from addition, in the following description
Rear side among extending direction is also denoted as " direction of insertion " to the direction of front side.
As shown in Fig. 2, from the 2nd internal face 42 to the inner space side of accommodating chamber 4 on the 2nd internal face 42 of accommodating chamber 4
It is protrusively provided the locking lance 7 for being capable of flexible deformation.Locking lance 7 is accommodated in the extending direction in accommodating chamber 4 in female end 3
Scheduled normal position state (with reference to Fig. 5) under female end 3 can be engaged, as a result, for preventing female end 3 from female end
External abjection of the sub- insert port 5 to accommodating chamber 4.
Locking lance 7 be formed from the base end part on the 2nd internal face 42 to extending direction front side extend and its front end into
For the cantilever-shaped of free end.That is, the base end part of locking lance 7 is configured on rear side of extending direction, front end is configured in extending direction
Front side, using base end part as fulcrum, deformation can be elastically deflected in short transverse in front end.
In the face being configured towards (i.e. the inner space side of accommodating chamber 4) on the upside of front end side and short transverse of locking lance 7
On, it is provided with the engaging claw 71 (tip) for engaging female end 3.The free state of non-deflection deformation is in locking lance 7
When, engaging claw 71 is located at the side in the height direction compared with the 2nd internal face 42 of accommodating chamber 4, to the inner space of accommodating chamber 4
Side protrudes.Locking lance 7 is configured to：Under the state (with reference to Fig. 5) for the normal position being accommodated in accommodating chamber 4 in female end 3,
It is chimeric with the locking lance hole 12 of aftermentioned female end 3 to engage claw 71, so as to engage female end 3.
Engaging claw 71 has：Inclined surface 71a is formed towards forming the skewed of upward slope on front side of extending direction,
It is gradually stretched out from the base end part side of locking lance 7 towards front end side to 4 side of accommodating chamber；And locking surface 71b, be formed from
End on front side of the extending direction of the inclined surface 71a band of lateral bend under short transverse is step-like.Locking surface 71b is engagement pawl
End face on front side of the extending direction in portion 71, be formed relative to extending direction (female end 3 relative to accommodating chamber 4 insertion side
To) be substantially orthogonal it is planar.Inclined surface 71a is that into the insertion process of accommodating chamber 4, female end 3 contacts at first in female end 3
Locking lance 7 among part, locking surface 71b be in the state of the normal position being accommodated in accommodating chamber 4 in female end 3 with
The part of 3 contact of female end.When female end 3 is inserted into accommodating chamber 4, the front end of female end 3 is connected to inclined surface 71a, production
The raw component for integrally pushing locking lance 7.It engages the component that 7 reason inclined surface 71a of lance receives and is bent to short transverse downside,
Keep out of the way outside from accommodating chamber 4.Locking surface 71b is with being formed in female end 3 in a state that locking 7 integral, flexible of lance has resetted
On engaged part (in the present embodiment, being the front end face 12a in aftermentioned locking lance hole 12) engaging and limit female end 3
The part of disengaging.Lance 7 is engaged by the way that the locking surface 71b of engaging claw 71 is made to be sticked in the engaged part of female end 3, thus will be cloudy
Terminal 3 is locked on the scheduled normal position of the extending direction in accommodating chamber 4.
In cloudy housing 2, for each of each accommodating chamber 4, it is formed with the adjacent space portion adjacent with each accommodating chamber 4
8.Adjacent space portion 8 is formed hollow form, and in the moon in a manner that the extending direction with adjacent accommodating chamber 4 extends parallel to
The front surface 21 of housing 2 is open.In addition, in the front surface 21 of the cloudy housing 2 of observation, adjacent space portion 8 is relative to adjacent appearance
Receive room 4 contact insert mouth 6 be adjacent to configuration on the downside of short transverse.That is, adjacent space portion 8 is formed on adjacent accommodating chamber
4 that side, i.e. 42 side of the 2nd internal face that are provided with locking lance 7.The front surface 21 of adjacent space portion 8 from cloudy housing 2 extends to
Engage the base end part of lance 7.The adjacent space portion 8 is functioned as deflection space, allows the locking in adjacent accommodating chamber 4
Deformation is elastically deflected to the short transverse downside left from accommodating chamber 4 in lance 7.Locking lance 7 is configured to move back in deflection deformation
It keeps away in adjacent space portion 8.The adjacent space portion 8 is, for example, the mold of locking lance 7 for being used to form and being arranged in accommodating chamber 4
The space of demoulding.
Female end 3 is to be processed by implementing forging after by the sheet metal punch press process of electric conductivity for predetermined shape, is curved
Qu Jiagong etc. is so as to be formed the terminal metal piece of desired shape.As shown in Figures 1 to 3, female end 3 includes：Case portion 9,
It is configured to make the contact of male to be inserted into；Core wire calking portion 10, by calking in the core section of electric wire；And electric wire chisel
Tight portion 11, covers skin portion by calking in electric wire.Female end 3 is arranged in sequence with case portion 9, core along extending direction from front
Line calking portion 10, electric wire calking portion 11, and it is formed one.
Case portion 9 is in the square tube shape that slenderly extends in extending direction, is formed in the front side of extending direction and rear side all
Opening.Cross sectional shape during the slave extending direction observation of case portion 9 is substantially rectangular shape.Case portion 9 includes：Bottom plate 91, along prolonging
Stretch direction extension；A pair of side plates 92,93 is holded up from two acies of the width direction of the bottom plate 91 to short transverse；Top plate 94,
Its jag (upper acies) from a side plate 92 among these side plates 92,93 is formed by bending, quilt towards another side plate 93
It is set as opposite with bottom plate 91；And outside plate 95, the side in the outside of top plate 94 is overlapped in the jag from another side plate 93
Formula is formed by bending.
As shown in Figure 2,3, the locking lance communicatively set with the inside of female end 3 is formed on the bottom plate 91 of case portion 9
Hole 12 (engaged part).As shown in figure 3, locking lance hole 12 is to spread bottom plate in the substantial middle position of the extending direction of case portion 9
The opening portion formed to the overall with of 91 width direction, bottom plate 91 are divided into the portion of the front side of extending direction by locking lance hole 12
Point and rear side part.Locking lance hole 12 is made：The state of the normal position in accommodating chamber 4 is accommodated in female end 3
Under, being set to the locking lance 7 of accommodating chamber 4 can enter, and be made：The locking surface 71b of locking lance 7 can be locked to locking
Front end face 12a on front side of the extending direction in lance hole 12 (with reference to Fig. 5).
Also, it is particularly in the present embodiment, as shown in Figure 2,3, among the outer rim in locking lance hole 12, extension side
To the substantial middle position of the part of front side, protrusion 13 is formed in a manner of prominent (on the downside of short transverse) by outward.It changes
Yan Zhi, protrusion 13 be formed on it is among the outer rim in locking lance hole 12, be received into female end 3 it is regular in accommodating chamber 4
The part abutted before position with engaging the inclined surface 71a of lance 7.In addition, the rear end face 13a on rear side of the extending direction of protrusion 13
It is formed along the front end face 12a in locking lance hole 12.That is, it is configured to：The rear end face 13a of protrusion 13 with before locking lance hole 12
End face 12a forms same plane, when locking lance 7 is embedded in female end 3, the rear end face 13a of protrusion 13 and locking lance hole 12
Front end face 12a with engage lance 7 locking surface 71b abut.
Next, the insert action of female end 3 in illustrating the female connector 1 of present embodiment with reference to Fig. 4,5.Fig. 4 is
Show that insertion force is regarded for state, female connector the vertical profile of maximum value in the insert action of female end of present embodiment
Figure.Fig. 5 is to show the normal position that in the insert action of female end of present embodiment female end is received in the accommodation room
State, female connector longitudinal section view.
First, as shown in Fig. 2, by female end 3 towards the direction of insertion on front side of extending direction, from female end of cloudy housing 2
Insert port 5 is inserted into accommodating chamber 4, when advancing in the inner space of accommodating chamber 4 along direction of insertion, the front end of female end 3
The inclined surface 71a of engaging claw 71 with engaging lance 7 is abutted.Since female end 3 is connected to the locking lance being projected into accommodating chamber 4
7, hence for the further movement to direction of insertion, by the resistance from locking lance 7.Therefore, from female end 3 and locking
Lance 7 abut after rise, need from direction of insertion to female end son 3 apply in order to overcome locking lance 7 caused by resistance make female end 3 into
The insertion force for the size that one step is inserted into accommodating chamber 4 and needs.In the following description, will in order to overcome locking lance 7 produced
The bottom line that raw resistance makes female end 3 mobile along extending direction (particularly direction of insertion) in accommodating chamber 4 and requires
External force is expressed as " it is required that insertion force ".This requires insertion force according to female end 3 with engaging the contact site of lance 7, contacting direction
Change and gradually change.In addition, this require insertion force can also be expressed as direction of insertion for being applied to female end 3 external force and
The reaction force (drag) of generation.
Insertion force is required using this, female end 3 presses the inclined surface 71a for engaging lance 7 to direction of insertion, so as to inclined surface
71a generates that will to engage lance 7 whole to the component pushed on the downside of short transverse, and locking lance 7 is due to the component and to adjacent space portion 8
Side deflection deformation.3 one side of female end make 7 deflection deformation of locking lance (flexible deformation) using the requirement insertion force of application, on one side quilt
It is constantly inserted into accommodating chamber 4.With traveling of female end 3 in accommodating chamber 4, what the inclined surface 71a of locking lance 7 was contacted
The position of female end 3 is according to the front end of case portion 9, the sequence transition of bottom plate 91, protrusion 13.Then, as shown in figure 4, engaging
The inclined surface 71a of lance 7 abuts with the protrusion 13 of female end 3, engages claw 71 keeps out of the way adjacent space portion 8 from accommodating chamber 4
Under state, it is desirable that insertion force become the maximum P1 (with reference to Fig. 6), then engage the deflection deformation amount (elastic deformation amount) of lance 7 into
For maximum value.At this point, as shown in figure 4, the electric wire calking portion 11 of female end 3 is protruded from the sub- insert port 5 of female end.
After the requirement insertion force become the maximum P1 of female end 3, due to require insertion force become the maximum P1 hereinafter, because
This, (female end 3 is held because inertia moves to the state that insert action shown in fig. 5 is over quickly for the insert action of female end 3
It is contained in the state of the normal position in accommodating chamber 4).More specifically, when the protrusion 13 of female end 3 crosses inclining for locking lance 7
End on front side of the extending direction of inclined-plane 71a and from engaging claw 71 to extending direction on front side of into when, become the card of free state
Only 7 elastic reset of lance, engaging claw 71 are embedded in the locking lance hole 12 of female end 3, also, engage the locking surface 71b of claw 71
It is abutted with the front end face 12a in locking lance hole 12 and the rear end face 13a of protrusion 13 of female end 3.At this point, the electric wire of female end 3
Calking portion 11 is fully absorbed within from the sub- insert port 5 of female end in accommodating chamber 4.
Herein, the insert action of female end 3 of present embodiment is further illustrated with reference to Fig. 6.Fig. 6 is to show this embodiment party
The requirement insertion force of female end in the insert action of female end of formula, with stroke (female end 3 to the insertion of accommodating chamber 4)
The figure of relationship.The longitudinal axis expression of Fig. 6 requires insertion force [N], and horizontal axis represents stroke [mm].In addition, the stroke of the horizontal axis of Fig. 6 will be cloudy
Terminal 3 starts to be expressed as D0 with the inclined surface 71a of the locking lance 7 in accommodating chamber 4 positions contacted.
As shown in fig. 6, when the front end of the case portion 9 of female end 3 at stroke D0 and the inclination of the locking lance 7 in accommodating chamber 4
When face 71a is contacted, in order to which 7 deflection deformation of locking lance is made to need to pay to insertion female end 3 further to depth side to enter
The requirement insertion force in direction.Whenever the stroke of female end 3 increases, that is, engaging the deflection deformation amount of lance 7 increases, this requires insertion force
Just increase gradually, the become the maximum P1 at stroke D1.The trip D1 is above-mentioned state shown in Fig. 4, is to engage inclining for lance 7
The state that inclined-plane 71a is abutted with the protrusion 13 of female end 3 is that the part on rear side of the extending direction of female end 3 is sub from female end
The state that insert port 5 protrudes.The stroke D2 that stroke D1 is received into than the entirety of female end son 3 in accommodating chamber 4 is small.That is, stroke D1
Included in female end 3 out of, cloudy housing 2 protrudes range.In other words, in the present embodiment, it is desirable that the maximum value P1 of insertion force
Before the entirety generated in female end 3 is received into the accommodating chamber 4 of cloudy housing 2.
In addition, the influence of shape etc. of the engaging claw 71 due to locking lance 7, in the present embodiment, in female end 3
In insert action, it is desirable that different at the time of at the time of insertion force become the maximum P1 from engaging the deflection of lance 7 as maximum.Such as
Shown in Fig. 6, at the stroke D1 after the requirement insertion force become the maximum P1 of female end 3, it is in progress in the insertion of female end 3
Stroke D3 at engage lance 7 deflection become the maximum.Then, the row being further in progress in the insertion of female end 3
The insert action of female end 3 is completed at journey D4.The trip D4 is above-mentioned state shown in fig. 5, is the engaging claw for engaging lance 7
71 states chimeric with the locking lance hole 12 of female end 3.
In the present embodiment, as the composition of characteristic for being used to implement requirement insertion force and stroke as shown in Figure 6
An example, the outer rim in the locking lance hole 12 of female end 3 is provided with protrusion 13.The protrusion 13 is in order to realizing figure
Characteristic shown in 6, shape, size equal-specification are corresponding to the inclined surface 71a's of locking lance 7 for example contacted in insert action
Shape is set.That is, protrusion 13 is taken into account with the shape of locking lance 7, it is formed with the contact site with locking lance 7.
Next, illustrate the effect of the female connector 1 of present embodiment.The female connector 1 of present embodiment includes：It accommodates
Room 4, cloudy housing 2 internal stretch and be formed hollow form, extending direction rear side have the sub- insert port 5 of female end；
And female end 3, the inside of accommodating chamber 4 can be inserted into along extending direction from the sub- insert port 5 of female end.Female connector 1 in order to
Female end 3 is received into the scheduled normal position of the extending direction in accommodating chamber 4, and will contact with each other in insert action
Female end 3 and the contact site of accommodating chamber 4 are formed as：In the insert action being inserted into from the sub- insert port 5 of female end, female end can be made sub
3 extending direction movement requirement insertion force female end 3 a part from the position (stroke D1) that the sub- insert port 5 of female end protrudes
Locate become the maximum P1.Specifically, communicatively set with the inside of female end 3 and normal position with locking lance 7 it is chimeric
Locking lance hole 12 outer rim among, female end 3 reaches and the position that abuts of locking lance 7 is provided with protrusion before normal position
13。
Herein, as shown in fig. 6, in the insert action of female end 3, insertion force is required if be equivalent at stroke D1
The external force of maximum value P1 is applied to female end 3, then the regular position that can utilize inertia that female end 3 be made to be inserted into accommodating chamber 4 later
It puts (stroke D4).On the contrary, it is believed that the characteristic of such insert action, the external force that female end 3 is applied at stroke D1 are small
In it is scheduled require the maximum value P1 of insertion force in the case of, later cannot utilize inertia female end 3 be made to eventually arrive at accommodating chamber 4
Interior normal position, female end 3 can become midway insert state relative to cloudy housing 2 (accommodating chamber 4).In midway insert state
Under, due to connector using when be possible to be in contact between terminal it is bad, accordingly, it is desirable to be able to visual confirmation female end 3
Midway insert state.
In this regard, in the present embodiment, utilize above-mentioned composition, in the insert action of female end 3, the requirement of female end 3
Insertion force is set to become maximum at the position (stroke D1) protruded from the sub- insert port 5 of female end in a part for female end 3.By
This, in the case of the normal position being not inserted into accommodating chamber 4 in female end 3, on rear side of the extending direction of female end 3
A part is protruded from cloudy housing 2, therefore, it is possible to visual confirmation female end 3 well to the midway insert state of accommodating chamber 4.
In addition, in the present embodiment, protrusion 13 is set by the outer rim in the locking lance hole 12 in female end 3, so as to
Requirement insertion force can be made to be maximum value P1 from the position that the sub- insert port 5 of female end protrudes in a part for female end 3.Utilize the structure
Into only by carrying out the improvement of protrusion 13 being set to can be realized as the characteristic of desired insertion force on female end 3.In addition,
Due to will not particularly add new inscape on cloudy housing 2, therefore, it is possible to adopt the product both deposited.It is thus it is possible to real
The raising of existing productivity and the reduction for manufacturing cost.
In addition, same put down is formed with engaging the front end face 12a in lance hole 12 since protrusion 13 is formed rear end face 13a
Face, therefore, when engaging lance 7 and being embedded in female end 3, the front end face 12a in the rear end face 13a of protrusion 13 and locking lance hole 12 with
The locking surface 71b for engaging lance 7 is abutted.That is, by setting protrusion 13, so as to increase the locking surface 71b of locking lance 7 and the moon
The area that terminal 3 contacts can fully ensure the locking depth of locking lance 7.As a result, since terminal retention (utilizes locking
Power (anticreep power) that female end 3 is locked in accommodating chamber 4 by lance 7 or in order to female end 3 that will be locked in accommodating chamber 4 from
The power that accommodating chamber 4 is pulled out and needed) increase, therefore, it is possible to further make locking state of female end 3 into accommodating chamber 4 secured.
Embodiments of the present invention are this concludes the description of, still, the above embodiment is shown as an example, not
The intentional range for limiting invention.The above embodiment can be implemented with other various forms, can not depart from invention
Purport in the range of carry out it is various omit, displacement, change.If the above embodiment and its deformation are included in the model of invention
It encloses, in purport, then in the technical solution and its equivalent range being also contained in recorded in claims.
In the above-described embodiment, it as an example of connector, has enumerated female connector 1 and has been illustrated, still,
It can also apply to male connector (male is inserted into the connector in positive housing).Male connector is configured in positive housing
Interior receiving male, and internal male is made to be conductively connected with female end 3 as other side's side terminal.Male connector also with it is upper
The female connector 1 stated similarly includes the accommodating chamber for accommodating male in positive housing, be inserted in male in accommodating chamber by
The locking lance locking of setting in the accommodation room.
In addition, in the above-described embodiment, as the maximum value P1 of insertion force to be required to generate the whole quilt in female end 3
Mode before being received into accommodating chamber 4 is formed in female end 3 to contact with each other in insert action and the contact site of accommodating chamber 4
The example formed, instantiates the composition that the outer rim in the locking lance hole 12 of female end 3 is provided with protrusion 13, still,
It can be composition in addition.Such as can also be the composition that protrusion is provided on the inclined surface 71a of locking lance 7.In addition, also can
It is enough to be configured to increase the inclined surface 71a of locking lance 7 to the overhang of 4 side of accommodating chamber.In other words, can also be configured to in female end
The status requirement insertion force that a part for son 3 is protruded from the sub- insert port 5 of female end becomes the inclination that maximum mode forms locking lance 7
Face 71a.
In addition, in the above-described embodiment, instantiating makes the engaging claw 71 of the lance 7 of the locking in accommodating chamber 4 be embedded in the moon
The composition in the locking lance hole 12 of terminal 3, however, it can be locking mechanism in addition.For example, it can be not in female end 3
Upper setting locking lance hole 12, and make 4 side of receiving portion locking lance 7 be locked to female end 3 case portion 9 rear end composition.Herein
In the case of, in order to make the characteristic of insertion force maximum value P1 similary with the above embodiment, such as can be configured in the outer of case portion 9
Part among circumferential surface, being abutted in insert action with locking lance is provided with protrusion 13 same with the above embodiment.
In addition, it can also be configured to be provided with protrusion on the inclined surface 71a of locking lance 7 or increase locking lance 7 into accommodating chamber 4
The overhang of portion side.
Claims (2)
1. a kind of connector, which is characterized in that
Including：
Accommodating chamber, housing internal stretch and be formed hollow form, the side of extending direction have insert port；
Terminal can be inserted into the inside of the accommodating chamber from the insert port along the extending direction；
Lance is engaged, is provided projectingly from the inner surface of the accommodating chamber, and be formed to be capable of flexible deformation；
Engaged part is set to the terminal, in the scheduled normal position energy for accommodating the indoor extending direction
It is enough to be engaged with the locking lance；And
Protrusion is arranged on the terminal and reaches the table of the terminal that the normal position foregoing description locking lance is abutted
On face,
And it is formed with the contact site of the terminal and accommodating chamber to contact with each other in insert action so that：For general
The terminal be received into the normal position and by the terminal from the insert action that the insert port is inserted into, it is desirable that insert
The part for entering power in the terminal becomes maximum from the position that the insert port protrudes, wherein, it is desirable that insertion force be make it is described
The external force of bottom line that terminal is required in direction of insertion movement,
The engaged part be communicatively set with the inside of the terminal and the normal position with it is described locking lance it is chimeric
Locking lance hole,
The protrusion be arranged on it is among the outer rim in the locking lance hole, before the terminal reaches the normal position with
The position that the locking lance abuts,
The front end face that the protrusion is formed end face and the locking lance hole thereafter forms same plane,
When the locking lance is embedded in the terminal, the front end face in the rear end face of the protrusion and the locking lance hole
It is abutted with the locking surface of the locking lance,
It is described locking lance have from its base end part side to front end side, towards the terminal direction of insertion form go up a slope inclination
Face,
The inclined surface is formed：In a part for the terminal from requiring insertion force described in the position that the insert port protrudes
As maximum,
It is described that insertion force is required to become maximum in a state that the inclined surface is abutted with the protrusion, at this point, the terminal
The entirety in electric wire calking portion is just protruded from the insert port, then the deflection deformation amount become the maximum of the locking lance.
2. a kind of connector, which is characterized in that
Including：
Accommodating chamber, housing internal stretch and be formed hollow form, the side of extending direction have insert port；
Terminal can be inserted into the inside of the accommodating chamber from the insert port along the extending direction；And
Lance is engaged, is provided projectingly from the inner surface of the accommodating chamber, and be formed to be capable of flexible deformation,
And it is formed with the contact site of the terminal and accommodating chamber to contact with each other in insert action so that：For general
The terminal is received into the scheduled normal position for accommodating the indoor extending direction and inserts the terminal from described
Entrance be inserted into the insert action in, it is desirable that insertion force the terminal a part from the position that the insert port protrudes into
For maximum, wherein, it is desirable that insertion force is to make the terminal in the external force of bottom line that direction of insertion is mobile to be required,
It is described locking lance have from its base end part side to front end side, towards the terminal direction of insertion form go up a slope inclination
Face,
Protrusion is provided on the inclined surface,
The inclined surface is formed：In a part for the terminal from requiring insertion force described in the position that the insert port protrudes
As maximum,
It is described that insertion force is required to become maximum in a state that the terminal is abutted with the protrusion, at this point, the electric wire of the terminal
The entirety in calking portion is just protruded from the insert port, then the deflection deformation amount become the maximum of the locking lance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-139582 | 2014-07-07 | ||
| JP2014139582A JP6440978B2 (en) | 2014-07-07 | 2014-07-07 | connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105244650A CN105244650A (en) | 2016-01-13 |
| CN105244650B true CN105244650B (en) | 2018-06-15 |
Family
ID=55042197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390716.1A Active CN105244650B (en) | 2014-07-07 | 2015-07-06 | Connector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6440978B2 (en) |
| CN (1) | CN105244650B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6453834B2 (en) * | 2016-11-17 | 2019-01-16 | 矢崎総業株式会社 | Terminal inspection device |
| JP7424247B2 (en) * | 2020-08-26 | 2024-01-30 | 住友電装株式会社 | connector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684308A (en) * | 2004-04-13 | 2005-10-19 | 住友电装株式会社 | A female terminal fitting and connector provided therewith |
| CN103155295A (en) * | 2010-10-12 | 2013-06-12 | 矢崎总业株式会社 | Female-type metal terminal fitting |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282674A (en) * | 1985-10-08 | 1987-04-16 | 本田技研工業株式会社 | Connector |
| JPH0478770U (en) * | 1990-11-22 | 1992-07-09 | ||
| JPH062573U (en) * | 1992-06-12 | 1994-01-14 | 日本端子株式会社 | Male connector |
| JP3936465B2 (en) * | 1998-03-27 | 2007-06-27 | 矢崎総業株式会社 | Terminal |
| JP2002260795A (en) * | 2001-02-27 | 2002-09-13 | Sumitomo Wiring Syst Ltd | Joint connector |
| JP2012169186A (en) * | 2011-02-15 | 2012-09-06 | Yazaki Corp | Joint connector |
| JP2012216344A (en) * | 2011-03-31 | 2012-11-08 | Sumitomo Wiring Syst Ltd | Connector |
| JP5756701B2 (en) * | 2011-07-19 | 2015-07-29 | 矢崎総業株式会社 | Structure for preventing erroneous insertion of terminal fittings in connectors |
| JP2013258067A (en) * | 2012-06-13 | 2013-12-26 | Sumitomo Wiring Syst Ltd | Connector |
| JP5818103B2 (en) * | 2012-07-25 | 2015-11-18 | 住友電装株式会社 | connector |
| JP5910882B2 (en) * | 2012-07-25 | 2016-04-27 | 住友電装株式会社 | connector |
-
2014
- 2014-07-07 JP JP2014139582A patent/JP6440978B2/en active Active
-
2015
- 2015-07-06 CN CN201510390716.1A patent/CN105244650B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684308A (en) * | 2004-04-13 | 2005-10-19 | 住友电装株式会社 | A female terminal fitting and connector provided therewith |
| CN103155295A (en) * | 2010-10-12 | 2013-06-12 | 矢崎总业株式会社 | Female-type metal terminal fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244650A (en) | 2016-01-13 |
| JP2016018631A (en) | 2016-02-01 |
| JP6440978B2 (en) | 2018-12-19 |
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