CN103022778A - Connector - Google Patents
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- CN103022778A CN103022778A CN2012103504650A CN201210350465A CN103022778A CN 103022778 A CN103022778 A CN 103022778A CN 2012103504650 A CN2012103504650 A CN 2012103504650A CN 201210350465 A CN201210350465 A CN 201210350465A CN 103022778 A CN103022778 A CN 103022778A
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- shaft
- mentioned
- cavity
- terminal fittings
- fastening
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Abstract
The invention relates to a connector. In the case of forming a double cantilever shaped lance, the clamping releasing operationality is improved. A cavity (22) for insertion of terminal fittings (10) from the rear part is arranged in a housing (20), and a lance (30) is elastically bendedly arranged on one side surface (22C) of the cavity using a base end side (31A) as pivot in the way of extending along the insertion direction of the terminal fittings, and a clamping projection part (35) is arranged on the front end part (31B) of the lance and clamped with the terminal fittings. The end part in the front end surface (31C) of the lance along the width direction extends forwards and forms a flexible piece (40), and the extending end of the flexible piece is fixed on a side wall (22A) on the front end side of the cavity. A releasing part (45) clamped with a releasing jig (J) for making the lance bend along the clamping releasing direction, is arranged on the position of the front end surface of the lance different from the formation position of the flexible piece.
Description
Technical field
The present invention relates in the cavity of housing, be provided with the connector be used to preventing the two cantilever-shaped shaft that terminal fittings comes off.
Background technology
As an example of the connector that is provided with this pair of cantilever-shaped shaft, the known connector that record in following patent documentation 1 is arranged.In this connector, being shaped as at fore-and-aft direction of shaft is supported in the bottom surface of cavity, the antetheca that front end is supported in cavity in the outstanding rear end that is provided with fastening teat, flex plate of central portion of long flex plate, if terminal fittings is inserted in the cavity from the rear, then while making shaft bend to circular-arc being pressed into downwards, if be press-fit into the normal place of running into antetheca, then shaft elastic recovery, fastening teat and terminal fittings by the fastening of fastening section, thereby prevent that terminal fittings from coming off.
On the other hand, in the situation that terminal fittings is extracted from cavity, forcibly make the shaft elastic bending by using the releasing anchor clamps, and remove the fastening with respect to terminal fittings.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2005-259363 communique
In above-mentioned prior art example, insert removing the short space of anchor clamps from the upside of shaft, nearby side at the fastening teat presses down flex plate, and make shaft crooked, but thereby the insertion narrow space of removing anchor clamps is difficult to carry out lower press operation, and press in the flex plate than fastening teat near front position, therefore remove the position in order to make the shaft integrally bending become the fastening teat to break away from fastening, need larger downforce, namely, tendency with operability variation of fastening releasing, urgent hope further improves.
Summary of the invention
The present invention is based on above-mentioned thing and finishes, and its purpose is consisting of the operability that its fastening of raising is removed in pair situation of cantilever-shaped shaft.
The present invention has following feature: be provided with in housing for the cavity from rear inserted terminals accessory, be provided with shaft in a side of this cavity in the mode of extending along the direction of insertion of above-mentioned terminal fittings and can carry out take base end side as fulcrum elastic bending, this shaft has fastening teat with above-mentioned terminal fittings fastening at leading section, the end of the Width in the front end face of above-mentioned shaft is formed with the flexible strip that extends towards the place ahead, the elongated end of this flexible strip is fixed in the sidewall of the front of above-mentioned cavity, and the position different from formation above-mentioned flexible strip position in the front end face of above-mentioned shaft is provided with and the releasing section that engages for the releasing anchor clamps that make shaft to the bending of fastening releasing direction.
If terminal fittings is inserted in the cavity from the rear, then when making flexible strip and shaft elastic bending, be pressed into, be inserted into normal place after, flexible strip and shaft elastic recovery and fastening teat and terminal fittings fastening, thus prevent from coming off.When extracting terminal fittings from cavity, put into the releasing anchor clamps from the place ahead through the space of flexible strip side, engage with the releasing section of the front end face of shaft and forcibly make flexible strip and shaft elastic bending, thereby remove the fastening of shaft.
Remove anchor clamps and can utilize so relatively broader space, side of flexible strip to carry out lower press operation, can the position of fastening teat directly be pressed down in addition, thereby can make with less downforce the crooked scheduled volume of shaft.In addition, flexible strip and releasing section form independently, therefore can make the total length of flexible strip crooked, make the crooked required power of shaft become less.
The result can significantly improve the operability when making shaft remove the direction bending to fastening.
In addition, also can be following structure.
Be formed with the above-mentioned flexible strip that extend at the both ends of a pair of Width from the front end face of above-mentioned shaft, and the position between the formation position of a pair of above-mentioned flexible strip in the front end face of above-mentioned shaft is provided with above-mentioned releasing section.Crooked well by left and right sides flexible strip balance, shaft can not be twisted but along the vertical plane elastic bending, successfully be carried out the fastening of terminal fittings is removed.
According to the present invention, also can improve the operability that its fastening is removed even consist of two cantilever-shaped shafts.
Description of drawings
Fig. 1 is the stereogram of the related cloudy terminal fittings of an embodiment of the invention.
Fig. 2 is the stereogram of positive 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 biopsy cavity marker devices vertical view of cloudy housing and the upward view of cloudy terminal fittings.
Fig. 7 is the stereogram of observing from the rear side of shaft.
Fig. 8 is the stereogram of observing from the face side of this shaft.
Fig. 9 is the upward view of this shaft.
Figure 10 is the longitudinal sectional view that represents that the X-X line of Fig. 9 of the insert action of cloudy terminal fittings dissects.
Figure 11 is the insertion longitudinal sectional view midway of the cloudy terminal fittings of expression.
Figure 12 is the longitudinal sectional view that cloudy terminal fittings is inserted into the state of normal place.
Figure 13 is the longitudinal sectional view that forcibly makes the state of shaft elastic bending.
Figure 14 is the upward view of the related shaft of comparative example.
Figure 15 is the longitudinal sectional view that represents forcibly to make the XIV-XIV line of Figure 14 of the state of this shaft elastic bending to dissect.
Embodiment
<execution mode 〉
By Fig. 1 to Figure 13 an embodiment of the invention are described.
The connector of the cloudy side of illustration in this embodiment, its following formation: the cloudy terminal fittings 10 that will be connected with the end of electric wire W is contained in the cavity 22 set in the housing 20 (following as cloudy housing 20) of cloudy side in the mode of slip-off preventing.
As shown in figure 10, cloudy terminal fittings 10 is by with the end of the heart yearn of wiring cylinder 13 rivetings in the electric wire W and with the end of insulating cylinder 14 rivetings to the insulation coating, 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 the terminal connection part 11 of cloudy terminal fittings 10 from the place ahead, and it flexibly is clamped between the base plate 11A of elastic contact chip 12 and relative terminal connection part 11, thereby realize being electrically connected.
In addition, the rear edge portion of the top board 11B in the terminal connection part 11 become with shaft 30 fastenings of the cavity 22 interior settings of cloudy housing 20 by fastening section 15, the details aftermentioned.
Next the structure of cloudy housing 20 is described.Cloudy housing 20 is synthetic resin system, and to shown in Figure 6, integral body forms the bulk of general flat such as Fig. 2.The front (face of the nearby side of Fig. 2) of cloudy housing 20 becomes the chimeric surface when chimeric with the other side's sun housing (not shown), on cloudy housing 20, be provided with for and positive housing between be locked as the lock arm 21 of chimerism.
In cloudy housing 20,10 cavitys 22 that are used for inserting from the rear and hold above-mentioned cloudy terminal fittings 10 are respectively arranged 5 and form two-layer up and down.
As shown in figure 10, more than half regional 23A of the front side of cavity 22 (following for front side zone 23A) is and the terminal connection part 11 of the cloudy terminal fittings 10 tight rectangle section of growing crosswise of phase embedding roughly, and in remaining posterior region 23B, be 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 that stops before carrying out for terminal connection part 11 butts of the cloudy terminal fittings 10 that inserts, and the terminal insert port 26 of the joint that can insert the other side's male accessory is arranged in these front side wall 25 upper sheds.In addition, the central width position of the lower edge portion of the terminal insert port 26 in the wall 25 cuts out open slot 25A in front.
At the leading section of cavity 22, say on the left and right sides sidewall 22A in the position, dead astern of wall 25 in front in more detail, at the height and position that has descended from roof 22B with the size of the matched of the terminal connection part 11 of cloudy terminal fittings 10, the outstanding pair of terminal carrier 27 that is formed with.Two-terminal carrier 27 separates with the interval of the width of above-mentioned open slot 25A coupling and forms.
Therefore, if in cloudy terminal fittings 10 inserted cavity 22 from the rear, then the front edge of terminal connection part 11 was run into front side wall 25 and is before stopped, and the left and right sides edge part of the front of terminal connection part 11 by about terminal carrier 27 accept.
Among the 23A of zone, front side in each cavity 22, its bottom surface opening, the position in the rear portion side of this bottom surface is formed with for the shaft 30 of slip-off preventing with cloudy terminal fittings 10 fastenings.
Such as Fig. 7, Fig. 8 and shown in Figure 10, this shaft 30 has from the diapire 22C of cavity 22 and erects the shaft main body 31 of forwards extending after the preliminary dimension.The base end part 31A of shaft main body 31 (zone of the smaller part of total length) forms the narrower width of more than half this degree of width of the front side zone 23A of cavity 22, and leading section 31B forms the width (about 1.5 times of base end part 31A) than the wide preliminary dimension of base end part 31A.In more detail, leading section 31B forms the wide width in interval than above-mentioned pair of right and left terminal carrier 27.Be connected the side of leading section 31B and connect via the conical surface 32 of two sections wide cuts that become towards the place ahead in the side of base end part 31A in a narrow margin with wide cut.
About the top height and position of shaft main body 31, base end part 31A top is the horizontal plane under the height suitable with the bottom surface of zone, the front side 23A of cavity 22, and via the inclined plane of mild upward slope, becomes higher horizontal plane above the leading section 31B.In addition, the central portion of the Width of the leading edge above base end part 31A to leading section 31B is formed with the thinner ridge 33 with base end part 31A same widths.
Thus, by the roughly the first half among the leading section 31B of shaft main body 31, say part than the top top side of base end part 31A in more detail, form with cloudy terminal fittings 10 by the fastening teat 35 of fastening section 15 fastenings.From top view, fastening teat 35 is the convex form that central width segments uprises, and in the latter half zone of this fastening teat 35, compares the base end part 31A of shaft main body 31 at least, becomes as mentioned above the wide cut about 1.5 times.
As mentioned above, leading section 31B by shaft main body 31 forms wide cut, the both ends in the zone of the latter half among the front end face 31C of this shaft main body 31 and become in the overlapping mode of Width in the outstanding side of the outstanding terminal carrier 27 that arranges of the left and right sides sidewall 22A of the leading section of cavity 22.And, be in this overlapping relation about the back of ledge of terminal carrier 27 and the both ends, the left and right sides of the lower area of the front end face 31C of shaft main body 31 between, set up the flexible strip 40 of the square rod shape that is elongated and connect.
Two flexible strips 40 separate predetermined space and in parallel to each other configuration, and under nature, flexible strip 40 top is the horizontal plane with the top the same face of terminal carrier 27.
The shaft 30 of above-mentioned shape becomes the so-called two cantilevered fashions that the front end of the base end part 31A of shaft main body 31 and two flexible strips 40 are fixed in the inner face of cavity 22.With reference to shown in Figure 11, take the standing part of front and back as fulcrum, integral, flexible bends to bloat circular-arc down respectively for shaft main body 31 and two flexible strips 40, and fastening teat 35 moves down thereupon.
Therefore, the lower zone that comprises the shaft 30 of flexible strip 40 becomes the diastrophic curved space 42 of allowing the shaft 30 that comprises flexible strip 40.
In order to remove the fastening of 30 pairs of cloudy terminal fittings 10 of shaft, forcibly make shaft 30 elastic bendings by removing anchor clamps 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 width position, can be placed the releasing section 45 of the front end of removing anchor clamps J towards nearby side-prominent formation.The formation position of this releasing section 45 is independently set in the position different from the extraction location of above-mentioned two flexible strips 40.
From about flexible strip 40 between the zone to its lower zone opening in front, therefore be formed with anchor clamps in the nearby side of releasing section 45 and insert space 47.In addition, top 46 of releasing section 45 be made as towards the inclined plane of side descending nearby in the mode that can guide the front end of removing anchor clamps J.
The effect of present embodiment then, is described.
By above-mentioned main points, the cloudy terminal fittings 10 that is connected with the end of electric wire W such as Fig. 6 and shown in Figure 10, is inserted in the cloudy housing 20 formed cavitys 22 from the rear after the posture that adopts up and down counter-rotating.The terminal connection part 11 of cloudy terminal fittings 10 above the base end part 31A of shaft 30, jump fastening teat 35 above, as shown in figure 11, while shaft 30 is pressed into towards the curved space 42 elastic bendings with flexible strip 40.
If being press-fit into, cloudy terminal fittings 10 runs into front side wall 25, then as shown in figure 12, the antemarginal fastening teat 35 that has been passed through shaft 30 by fastening section 15 of the terminal connection part 11 of cloudy terminal fittings 10, therefore flexible strip 40 and shaft 30 elastic recoveries, fastening teat 35 and cloudy terminal fittings 10 by 15 fastenings of fastening section and slip-off preventing.Thereupon, the left and right sides edge part of the terminal connection part 11 of cloudy terminal fittings 10 is accepted by terminal carrier 27 to flexible strip 40 in total length, and cloudy terminal fittings 10 can be to not antecurvature etc., in cavity 22 interior employing flat-hand position and stable the maintenance.
For all cavitys 22, cloudy terminal fittings 10 all is received in main points same as described above mode with slip-off preventing, thereby finishes the assembling of female connector.
This female connector is with equally positive housing to be installed the male connector that the male accessory forms chimeric, the joint of each male accessory enters in the cavity 22 of cloudy housing 20 from terminal insert port 26, and be inserted into the terminal connection part 11 of the cloudy terminal fittings 10 that this cavity 22 holds, thus, corresponding cloudy terminal fittings 10 is connected to each other with the male accessory.
Under this state, when the electric wire W of the back side that is drawn out to female connector is pulled, cloudy terminal fittings 10 prevented from coming off with fastening teat 35 fastenings of shaft 30 by fastening section 15.At this, fastening teat 35 forms wide cut, obtains the larger section of shear, therefore obtains the larger confining force of anti-shearing destruction.
In the situations such as maintenance, when cloudy terminal fittings 10 is extracted from the cavity 22 of cloudy housing 20, to remove from the place ahead that formed anchor clamps insert space 47 between the flexible strip 40 about anchor clamps J is inserted in, if the outstanding releasing section 45 that arranges of the front end face 31C that its front end is placed in shaft main body 31 also presses down, then as shown in figure 13 by making flexible strip 40 and shaft 30 towards the curved space 42 elastic bendings, the fastening by fastening section 15 of 35 pairs of cloudy terminal fittings 10 of fastening teat is disengaged.
So, by rearward pulling electric wire W, can extract to the rear of cavity 22 cloudy terminal fittings 10.
As mentioned above, according to present embodiment, although consist of the shaft 30 of two cantilevered fashions, but when using releasing anchor clamps J to make this shaft 30 remove the direction elastic bending to fastening, removing anchor clamps J can utilize the 47 pairs of releasing sections in anchor clamps insertion space 45 in formed broad space between two flexible strips 40 to carry out lower press operation, can the position of fastening teat 35 directly be pressed down in addition, therefore can make with less downforce shaft 30 crooked scheduled volumes.The front of shaft 30 by about two flexible strips 40 support, flexible strip 40 balances in the left and right sides are crooked well,, successfully carry out the fastening of cloudy terminal fittings 10 is removed along the vertical plane elastic bending thereby shaft 30 can not be twisted.
In addition, in the present embodiment, when the front end face 31C of shaft 30 forms releasing section 45, by with about flexible strip 40 mode of separating independently form, can access following effect.
For example, shown in Figure 14 and comparative example shown in Figure 15, if form the mode of the base end side that is connected two flexible strips 40 with a of releasing section of the front end butt of removing anchor clamps J, when then making shaft 30 and flexible strip 40 crooked pressing down a of releasing section, the part bending of the length s except the part that is formed with a of releasing section that flexible strip 40 can only be in its total length.
To this, when the connector of present embodiment made shaft 30 and flexible strip 40 bending pressing down equally releasing section 45 as shown in figure 13, flexible strip 40 can be crooked in the scope of its total length S, makes shaft 30 crooked required power become less.
The result can significantly improve the operability when making shaft 30 remove the direction bending to fastening.
<other execution modes 〉
The invention is not restricted to the execution mode by above-mentioned record and description of drawings, for example, following execution mode is also contained in the technical scope of the present invention.
(1) flexible strip of the front of support shaft also can only arrange one left and right sides either party.
(2) front of flexible strip not necessarily is connected with the terminal carrier, also can be arranged in other positions such as position nearby of terminal carrier of the sidewall of cavity.
(3) shaft also can embed for the fastening teat form of fastening in the shaft hole of one side institute opening of terminal connection part of cloudy terminal fittings.
(4) the present invention also can be equally applicable to the male accessory is contained in the connector of the positive side in the positive housing.
Claims (2)
1. a connector is characterized in that,
In housing, be provided with for the cavity from rear inserted terminals accessory, be provided with shaft in a side of this cavity in the mode of extending along the direction of insertion of above-mentioned terminal fittings and can carry out take base end side as fulcrum elastic bending, this shaft has fastening teat with above-mentioned terminal fittings fastening at leading section
The end of the Width in the front end face of above-mentioned shaft is formed with the flexible strip that extends towards the place ahead, and the elongated end of this flexible strip is fixed in the sidewall of the front of above-mentioned cavity,
And the position different from formation above-mentioned flexible strip position in the front end face of above-mentioned shaft is provided with and the releasing section that engages for the releasing anchor clamps that make shaft to the bending of fastening releasing direction.
2. connector as claimed in claim 1, it is characterized in that, be formed with the above-mentioned flexible strip that extend at the both ends of a pair of Width from the front end face of above-mentioned shaft, and the position between the formation position of a pair of above-mentioned flexible strip in the front end face of above-mentioned shaft is provided with above-mentioned releasing section.
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 true CN103022778A (en) | 2013-04-03 |
CN103022778B 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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104183953A (en) * | 2013-05-20 | 2014-12-03 | 第一精工株式会社 | Electric connector |
CN109390738A (en) * | 2017-08-08 | 2019-02-26 | 日本压着端子制造株式会社 | Connector |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6244900B1 (en) * | 1998-08-20 | 2001-06-12 | Sumitomo Wiring Systems, Ltd. | Electrical connector with redundant prevention of excessive forward movement of a terminal fitting in a cavity of a connector housing |
US20020064993A1 (en) * | 2000-11-24 | 2002-05-30 | Tetsuo Kato | Connector |
US6558206B1 (en) * | 1998-12-18 | 2003-05-06 | Ryosei Electro-Circuit Systems, Ltd. | Electric connector |
US20060063427A1 (en) * | 2004-03-09 | 2006-03-23 | Sumitomo Wiring Systems, Ltd. | Connector |
JP2006216322A (en) * | 2005-02-02 | 2006-08-17 | Sumitomo Wiring Syst Ltd | 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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
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 (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6244900B1 (en) * | 1998-08-20 | 2001-06-12 | Sumitomo Wiring Systems, Ltd. | Electrical connector with redundant prevention of excessive forward movement of a terminal fitting in a cavity of a connector housing |
US6558206B1 (en) * | 1998-12-18 | 2003-05-06 | Ryosei Electro-Circuit Systems, Ltd. | Electric connector |
US20020064993A1 (en) * | 2000-11-24 | 2002-05-30 | Tetsuo Kato | Connector |
US20060063427A1 (en) * | 2004-03-09 | 2006-03-23 | Sumitomo Wiring Systems, Ltd. | Connector |
JP2006216322A (en) * | 2005-02-02 | 2006-08-17 | Sumitomo Wiring Syst Ltd | Connector |
CN101345385A (en) * | 2007-05-08 | 2009-01-14 | 住友电装株式会社 | A connector and assembling method thereof |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104183953A (en) * | 2013-05-20 | 2014-12-03 | 第一精工株式会社 | Electric connector |
US9293853B2 (en) | 2013-05-20 | 2016-03-22 | Dai-Ichi Seiko Co., Ltd. | Electric connector with terminal supports |
CN109390738A (en) * | 2017-08-08 | 2019-02-26 | 日本压着端子制造株式会社 | Connector |
CN109390738B (en) * | 2017-08-08 | 2022-03-01 | 日本压着端子制造株式会社 | Connector with a locking member |
Also Published As
Publication number | Publication date |
---|---|
JP2013069539A (en) | 2013-04-18 |
JP5757207B2 (en) | 2015-07-29 |
CN103022778B (en) | 2016-06-22 |
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Granted publication date: 20160622 Termination date: 20210919 |