CN103022778B - Adapter - Google Patents
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- Publication number
- CN103022778B CN103022778B CN201210350465.0A CN201210350465A CN103022778B CN 103022778 B CN103022778 B CN 103022778B CN 201210350465 A CN201210350465 A CN 201210350465A CN 103022778 B CN103022778 B CN 103022778B
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- CN
- China
- Prior art keywords
- shaft
- mentioned
- flexible strip
- locking
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of adapter, improves the operability of its locking releasing when the shaft that composition pair is cantilever-shaped。The cavity (22) for inserting terminal fittings (10) from rear it is provided with in housing (20), this cavity a side (22C) with the mode extended along the direction of insertion of terminal fittings and can with base end side (31A) be fulcrum elastic bending shaft (30) is set, this shaft has the locking teat (35) locking with terminal fittings at leading section (31B)。The end of the width in the front end face (31C) of shaft forwards extends to form flexible strip (40), and the elongated end of this flexible strip is fixed on the sidewall (22A) of the front of cavity。The position that the forming position from flexible strip in the front end face of shaft is different, is provided with and the releasing portion (45) for making the releasing fixture (J) that shaft bends to locking releasing direction engage。
Description
Technical field
The present invention relates to the adapter being provided with in the cavity of housing for the double; two cantilever-shaped shaft preventing terminal fittings from coming off。
Background technology
As an example of the adapter being provided with this double; two cantilever-shaped shaft, the adapter being known in following patent documentation 1 to record。In this adapter, shaft be shaped as that the central part at the longer flex plate of fore-and-aft direction projecting has locking teat, the rear end of flex plate is supported in the bottom surface of cavity, front support is in the antetheca of cavity, if terminal fittings is inserted in cavity from rear, shaft is then made to bend to arc-shaped downwards while being pressed into, if being press-fit into the normal place encountering antetheca, then shaft elastic recovery, locking teat are locking with the engaging portion of terminal fittings, thus preventing terminal fittings from coming off。
On the other hand, when terminal fittings is extracted from cavity, release fixture forcibly make shaft elastic bending by using, and release relative to terminal fittings locking。
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2005-259363 publication
In above-mentioned conventional example, the short space releasing the fixture upside from shaft is inserted, flex plate is pressed under the nearby side of locking teat, and make shaft bend, but release the insertion narrow space of fixture thus being difficult to depression, and press the locking teat of ratio in flex plate near front position, therefore to make shaft integrally bending become locking teat to depart from locking releasing position, need bigger downforce, namely, there is the tendency that the operability of locking releasing is deteriorated, highly desirable further improvement。
Summary of the invention
The present invention is based on above-mentioned thing and completes, and its object is to improve the operability of its locking releasing when the shaft that composition pair is cantilever-shaped。
The present invention has the feature that the cavity being provided with in housing for inserting terminal fittings from rear, in a side of this cavity to extend along the direction of insertion of above-mentioned terminal fittings and the mode that base end side carries out elastic bending for fulcrum can be provided with shaft, this shaft has the locking teat locking with above-mentioned terminal fittings in leading section, the end of the width in the front end face of above-mentioned shaft is formed with the flexible strip extended towards front, the elongated end of this flexible strip is fixed on the sidewall of the front of above-mentioned cavity, and the position that the forming position from above-mentioned flexible strip in the front end face of above-mentioned shaft is different, it is provided with the releasing portion engaged with the releasing fixture for making shaft bend to locking releasing direction。
If terminal fittings is inserted in cavity from rear, being then pressed into while making flexible strip and shaft elastic bending, after being inserted into normal place, flexible strip and shaft elastic recovery and locking teat are locking with terminal fittings, thus preventing from coming off。When extracting terminal fittings from cavity, put into releasing fixture from front through the space of flexible strip side, merge with the releasing portion card of the front end face of shaft and forcibly make flexible strip and shaft elastic bending, thus releasing the locking of shaft。
Release the space that fixture can utilize the such comparison in side of flexible strip broad and carry out depression, be furthermore possible to the position to locking teat and directly press down such that it is able to make shaft bending scheduled volume with less downforce。In addition, flexible strip and releasing portion are separately formed, therefore, it is possible to make the total length of flexible strip bend, the power making shaft bending required becomes less。
Result can be greatly improved operability when making shaft bend to locking releasing direction。
Alternatively, it is also possible to be following structure。
It is formed with the above-mentioned flexible strip that the both ends of a pair width from the front end face of above-mentioned shaft extend, and the position between the forming position of a pair above-mentioned flexible strip in the front end face of above-mentioned shaft is provided with above-mentioned releasing portion。Being bent well by left and right flexible strip balance, shaft will not distort but along vertical elastic bending, successfully carry out the locking releasing to terminal fittings。
According to the present invention, even if constituting double; two cantilever-shaped shaft also to be able to improve the operability of its locking releasing。
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the female end subassembly involved by an embodiment of the invention。
Fig. 2 is the axonometric chart of sun housing。
Fig. 3 is the front view of this sun housing。
Fig. 4 is the rearview of this sun housing。
Fig. 5 is the fragmentary perspective cross sectional view of this sun housing。
Fig. 6 is the upward view of the biopsy cavity marker devices top view of cloudy housing and female end subassembly。
Fig. 7 is the axonometric chart observed from the rear side of shaft。
Fig. 8 is the axonometric chart observed from the face side of this shaft。
Fig. 9 is the upward view of this shaft。
Figure 10 is the longitudinal sectional view of the X-X line cutting of the Fig. 9 of the insert action representing female end subassembly。
Figure 11 indicates that the longitudinal sectional view inserting midway of female end subassembly。
Figure 12 is the longitudinal sectional view that female end subassembly is inserted into the state of normal place。
Figure 13 is the longitudinal sectional view of the state forcibly making shaft elastic bending。
Figure 14 is the upward view of the shaft involved by comparative example。
Figure 15 is the longitudinal sectional view of the XIV-XIV line cutting of the Figure 14 to represent the state forcibly making this shaft elastic bending。
Detailed description of the invention
<embodiment>
By Fig. 1 to Figure 13, an embodiment of the invention is described。
Illustrating the adapter of cloudy side in this embodiment, it is constituted as follows: the female end subassembly 10 being connected with the end of electric wire W, is contained in cavity 22 set in the housing 20 (following for cloudy housing 20) of cloudy side in the mode of slip-off preventing。
Female end subassembly 10 is formed by the metallic plate of excellent electric conductivity is carried out punch process, as shown in Figure 1, for being provided with wiring cylinder 13 and the structure of insulating cylinder 14 continuously at the rear of the terminal connection part 11 of the square tube shape in general flat, and in terminal connection part 11, it is provided with elastic contact chip 12。
As shown in Figure 10, female end subassembly 10 is by by the end of the heart yearn in wiring cylinder 13 riveting to electric wire W and by insulating cylinder 14 riveting end to the coating that insulate, and is fixedly attached to the end of electric wire W。
The joint of not shown the other side's male accessory is inserted into from front the terminal connection part 11 of female end subassembly 10, and it is flexibly clamped between the base plate 11A of elastic contact chip 12 and relative terminal connection part 11, thus realizing electrical connection。
It addition, the rear edge portion of the top board 11B in terminal connection part 11 becomes the engaging portion 15 locking with the shaft 30 arranged in the cavity 22 of cloudy housing 20, details are aftermentioned。
Next the structure of cloudy housing 20 is described。Cloudy housing 20 is synthetic resin system, as shown in Figures 2 to 6, is integrally formed into the bulk of general flat。Chimeric surface when (face of the nearby side of Fig. 2) becomes chimeric with the other side's sun housing (not shown) before cloudy housing 20, at the lock arm 21 being provided above with for being locked as chimerism between sun housing of cloudy housing 20。
In cloudy housing 20,10 cavitys 22 being used for inserting from rear and holding above-mentioned female end subassembly 10 respectively arrange 5 in upper and lower two-layer and are formed。
As shown in Figure 10, more than half region 23A (following for front area 23A) of the front side of cavity 22 is in the rectangular cross section grown crosswise substantially closely mutually embedding with the terminal connection part 11 of female end subassembly 10, and in remaining posterior region 23B, for the section shape that lower side further expands, whole opening of rear end face。
Upper position in the front end face of cavity 22 is formed with the front side wall 25 stopped before carrying out for abutting with the terminal connection part 11 of the female end subassembly 10 inserted, and has the terminal insert port 26 of the joint being inserted into the other side's male accessory in this front side wall 25 upper shed。Additionally, the central width position of the lower edge portion of terminal insert port 26 in front side wall 25, cut out open slot 25A。
In the leading section of cavity 22, be on left and right sidewall 22A in the position, dead astern of front side wall 25 in more detail, at the height and position of size of the matched of the terminal connection part 11 that have dropped from roof 22B with female end subassembly 10, prominent it is formed with pair of terminal carrier 27。Two-terminal carrier 27 separates and the width of above-mentioned open slot 25A mates interval and formed。
Therefore, if female end subassembly 10 inserts in cavity 22 from rear, then the front edge of terminal connection part 11 encounters front side wall 25 and by front stop, and the left and right sides edge part of the front of terminal connection part 11 is accepted by the terminal carrier 27 of left and right。
In front area 23A in each cavity 22, its bottom surface opening, in the position of the rear portion side of this bottom surface, it is formed for and the shaft 30 of slip-off preventing locking with female end subassembly 10。
As shown in Fig. 7, Fig. 8 and Figure 10, this shaft 30 has the shaft main body 31 forwards extended after the diapire 22C from cavity 22 erects preliminary dimension。The base end part 31A (region of the smaller part of total length) of shaft main body 31 is formed as the narrower width of the more than half this degree of the width of the front area 23A of cavity 22, and leading section 31B is formed as the width (about 1.5 times of base end part 31A) of preliminary dimension wider than base end part 31A。In more detail, leading section 31B is formed as the width wider than the interval of above-mentioned pair of right and left terminal carrier 27。The side of the side of narrow base end part 31A and the leading section 31B of wide cut connects via becoming the conical surface 32 of wide cut towards two sections of front。
About the above height and position of shaft main body 31, base end part 31A above is the horizontal plane under the height that the bottom surface of the front area 23A with cavity 22 is suitable, and via the mild inclined plane gone up a slope, and leading section 31B above becomes higher horizontal plane。It addition, from the above leading edge of base end part 31A to the central part of the above width of leading section 31B, it is formed with the relatively thin ridge 33 with base end part 31A same widths。
Thus, by the roughly upper half in the leading section 31B of shaft main body 31, be above part by the top than base end part 31A in more detail, form the locking teat 35 locking with the engaging portion 15 of female end subassembly 10。Observe from front, the convex form that locking teat 35 uprises in central authorities' width segments, at least in the region, the latter half of this locking teat 35, compare the base end part 31A of shaft main body 31, become the wide cut of about 1.5 times as mentioned above。
As mentioned above, wide cut is formed as, the both ends in the region of the latter half in the front end face 31C of this shaft main body 31 and becoming in the overlapping mode of width in the prominent side of terminal carrier 27 projecting for the left and right sidewall 22A of the leading section of cavity 22 by the leading section 31B of shaft main body 31。And, it being in after the ledge of the terminal carrier 27 of left and right of this overlapping relation and between the both ends, left and right of the lower area of the front end face 31C of shaft main body 31, erection connects in the flexible strip 40 of elongated square rod shape。
Two flexible strips 40 separate predetermined space and configure in parallel to each other, and in its natural state, flexible strip 40 above is the horizontal plane of the above the same face with terminal carrier 27。
The shaft 30 of above-mentioned shape becomes so-called double; two cantilevered fashions of the inner face that the base end part 31A of shaft main body 31 and the front end of two flexible strips 40 are fixed on cavity 22。With reference to shown in Figure 11, shaft main body 31 and two flexible strips 40 are respectively with the standing part of front and back for fulcrum, and integral, flexible bends to the arc-shaped bloated down, and locking teat 35 moves down therewith。
Therefore, the lower zone comprising the shaft 30 of flexible strip 40 becomes the diastrophic curved space 42 allowing the shaft 30 comprising flexible strip 40。
In order to release locking to female end subassembly 10 of shaft 30, forcibly make shaft 30 elastic bending by releasing fixture J (with reference to Figure 13)。
Therefore, the lower area in the front end face 31C of above-mentioned shaft main body 31, at central authorities' width position, it is possible to place releasing portion 45 prominent formation towards nearby side of the front end releasing fixture J。The forming position of this releasing portion 45 independently sets in the position different from the extraction location of above-mentioned two flexible strips 40。
From the region between the flexible strip 40 of left and right to region below in front openings, therefore it is formed with fixture in the nearby side of releasing portion 45 and inserts space 47。Additionally, above the 46 of releasing portion 45 are set to the inclined plane towards nearby side descending in the way of can guiding the front end releasing fixture J。
Then, the effect of present embodiment is described。
By above-mentioned main points, the female end subassembly 10 being connected with the end of electric wire W is after adopting the posture reversed up and down, as shown in Fig. 6 and Figure 10, is inserted in the cavity 22 that cloudy housing 20 is formed from rear。The terminal connection part 11 of female end subassembly 10, above the above locking teat 35 that jumps of the base end part 31A of shaft 30, as shown in figure 11, makes shaft 30 be pressed into towards the curved space 42 elastic bending together with flexible strip 40。
If female end subassembly 10 is press-fit into encounters front side wall 25, then as shown in figure 12, the antemarginal engaging portion 15 of the terminal connection part 11 of female end subassembly 10 have passed through the locking teat 35 of shaft 30, therefore flexible strip 40 and shaft 30 elastic recovery, locking teat 35 is locking with the engaging portion 15 of female end subassembly 10 and slip-off preventing。Therewith, the left and right sides edge part of the terminal connection part 11 of female end subassembly 10 is accepted by terminal carrier 27 to flexible strip 40 in total length, and female end subassembly 10 to antecurvature etc., will not adopt flat-hand position and stable maintenance in cavity 22。
For all of cavity 22, female end subassembly 10 is all received in the way of main points same as described above are with slip-off preventing, thus completing the assembling of female connector。
This female connector is fitted together to the same male connector that sun housing is installed male accessory, the joint of each male accessory enters in the cavity 22 of cloudy housing 20 from terminal insert port 26, and it is inserted into the terminal connection part 11 of the female end subassembly 10 that this cavity 22 holds, thus, corresponding female end subassembly 10 is connected to each other with male accessory。
In this condition, when the electric wire W being drawn out to side after female connector is pulled, the engaging portion 15 of female end subassembly 10 is locking with the locking teat 35 of shaft 30 and prevents from coming off。At this, locking teat 35 is formed as wide cut, obtains the bigger section of shear, therefore obtains the bigger retentivity of anti-shearing destruction。
When safeguarding, when female end subassembly 10 is extracted from the cavity 22 of cloudy housing 20, the fixture insertion space 47 formed it is inserted between the flexible strip 40 of left and right from front by releasing fixture J, if its front end be placed to releasing portion 45 projecting for the front end face 31C of shaft main body 31 and under press, then as depicted by fig. 13 by making flexible strip 40 and shaft 30 towards the curved space 42 elastic bending, the locking of engaging portion 15 of female end subassembly 10 is released from by locking teat 35。
Then, by rearward pulling electric wire W, it is possible to female end subassembly 10 is extracted at the rear to cavity 22。
As mentioned above, according to present embodiment, although constituting the shaft 30 of double; two cantilevered fashion, but when using releasing fixture J to make this shaft 30 to locking releasing direction elastic bending, releasing fixture J can utilize the fixture insertion space 47 of the broad spatial formed between two flexible strips 40 that releasing portion 45 is carried out depression, it is furthermore possible to the position of locking teat 35 is directly pressed down, therefore, it is possible to make shaft 30 bend scheduled volume with less downforce。The front of shaft 30 is supported by two, left and right flexible strip 40, and left and right flexible strip 40 balance bends well, thus shaft 30 will not distort and along vertical elastic bending, successfully carry out the locking releasing to female end subassembly 10。
In addition, in the present embodiment, when the front end face 31C of shaft 30 forms releasing portion 45, by being individually formed in the way of separating with the flexible strip 40 of left and right, it is possible to obtain following effect。
Such as, shown in comparative example as shown in Figure 14 and Figure 15, if the releasing portion a abutted with the front end releasing fixture J is formed as being connected the mode of the base end side of two flexible strips 40, then under press releasing portion a to make shaft 30 and flexible strip 40 bend time, flexible strip 40 can only the part bending of the length s except the part being formed with releasing portion a in its total length。
To this, when the adapter of present embodiment makes shaft 30 and flexible strip 40 bend in pressure releasing portion 45 equally down as shown in figure 13, flexible strip 40 can bend in the scope of its total length S, makes shaft 30 bend required power and becomes less。
Result can be greatly improved operability when making shaft 30 bend to locking releasing direction。
<other embodiments>
The invention is not restricted to the embodiment illustrated by above-mentioned record and accompanying drawing, for instance, following embodiment is also included in the technical scope of the present invention。
(1) support shaft front flexible strip can also only in left and right, either one arranges one。
(2) front of flexible strip is not necessarily connected with terminal carrier, it is also possible to other positions such as position nearby being arranged in the terminal carrier of the sidewall of cavity。
(3) shaft can also for form locking in the shaft hole of the one side institute opening of the terminal connection part of locking teat embedding female end subassembly。
(4) present invention can also be equally applicable to the adapter of the positive side being contained in by male accessory in sun housing。
Claims (2)
1. an adapter, it is characterised in that
The cavity for inserting terminal fittings from rear it is provided with in housing, in a side of this cavity to extend along the direction of insertion of above-mentioned terminal fittings and the mode that base end part carries out elastic bending for fulcrum can be provided with shaft, this shaft has the locking teat locking with above-mentioned terminal fittings in its leading section
The end of the width in the front end face of above-mentioned shaft is formed with the flexible strip extended towards front, and the elongated end of this flexible strip is fixed on the sidewall of the front of above-mentioned cavity,
And the position that the forming position from above-mentioned flexible strip in the front end face of above-mentioned shaft is different, be provided with for making what shaft bent to locking releasing direction to release the releasing portion that fixture engages,
Above-mentioned releasing portion is separately formed in the way of separating with above-mentioned flexible strip, is formed with the insertion space being inserted into releasing fixture in the side of above-mentioned flexible strip。
2. adapter as claimed in claim 1, it is characterized in that, it is formed with the above-mentioned flexible strip that the both ends of a pair width from the front end face of above-mentioned shaft extend, and the position between the forming position of a pair above-mentioned flexible strip in the front end face of above-mentioned shaft is provided with above-mentioned releasing portion。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-207171 | 2011-09-22 | ||
| JP2011207171A JP5757207B2 (en) | 2011-09-22 | 2011-09-22 | connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103022778A CN103022778A (en) | 2013-04-03 |
| CN103022778B true CN103022778B (en) | 2016-06-22 |
Family
ID=47971064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210350465.0A Expired - Fee Related CN103022778B (en) | 2011-09-22 | 2012-09-19 | Adapter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5757207B2 (en) |
| CN (1) | CN103022778B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5708705B2 (en) * | 2013-05-20 | 2015-04-30 | 第一精工株式会社 | Electrical connector |
| JP6915858B2 (en) * | 2017-08-08 | 2021-08-04 | 日本圧着端子製造株式会社 | connector |
| JP7222694B2 (en) * | 2018-12-21 | 2023-02-15 | タイコエレクトロニクスジャパン合同会社 | contacts and connectors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6558206B1 (en) * | 1998-12-18 | 2003-05-06 | Ryosei Electro-Circuit Systems, Ltd. | Electric connector |
| CN101345385A (en) * | 2007-05-08 | 2009-01-14 | 住友电装株式会社 | A connector and assembling method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3397298B2 (en) * | 1998-08-20 | 2003-04-14 | 住友電装株式会社 | connector |
| JP3495020B2 (en) * | 2000-11-24 | 2004-02-09 | 矢崎総業株式会社 | connector |
| JP3643327B2 (en) * | 2001-08-10 | 2005-04-27 | 日本航空電子工業株式会社 | connector |
| JP2003257531A (en) * | 2002-03-01 | 2003-09-12 | Sumitomo Wiring Syst Ltd | Connector |
| JP2003272748A (en) * | 2002-03-19 | 2003-09-26 | Sumitomo Wiring Syst Ltd | Connector |
| JP3415140B1 (en) * | 2002-07-04 | 2003-06-09 | 住友電装株式会社 | connector |
| JP2004055513A (en) * | 2003-02-03 | 2004-02-19 | Sumitomo Wiring Syst Ltd | Connector |
| JP4238746B2 (en) * | 2004-03-09 | 2009-03-18 | 住友電装株式会社 | connector |
| JP4583193B2 (en) * | 2005-02-02 | 2010-11-17 | 住友電装株式会社 | connector |
-
2011
- 2011-09-22 JP JP2011207171A patent/JP5757207B2/en not_active Expired - Fee Related
-
2012
- 2012-09-19 CN CN201210350465.0A patent/CN103022778B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6558206B1 (en) * | 1998-12-18 | 2003-05-06 | Ryosei Electro-Circuit Systems, Ltd. | Electric connector |
| CN101345385A (en) * | 2007-05-08 | 2009-01-14 | 住友电装株式会社 | A connector and assembling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013069539A (en) | 2013-04-18 |
| CN103022778A (en) | 2013-04-03 |
| JP5757207B2 (en) | 2015-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20210919 |