CN103022779A - Connector - Google Patents
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- CN103022779A CN103022779A CN2012103509122A CN201210350912A CN103022779A CN 103022779 A CN103022779 A CN 103022779A CN 2012103509122 A CN2012103509122 A CN 2012103509122A CN 201210350912 A CN201210350912 A CN 201210350912A CN 103022779 A CN103022779 A CN 103022779A
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Abstract
A connector inhibits the insertion force and improves the retention force of terminal fittings. A cavity (22) for insertion of the terminal fittings (10) is arranged in a housing (20), a lance (30) is arranged on one wall surface of the cavity and composed of a lance main body (31) extending along the insertion direction of the terminal fittings and a clamping projection part (35) arranged on the front end part (31B) of the lance main body. Together with the terminal fittings inserted into the standard position in the cavity, the lance elastically recovers and the clamping projection part is clamped with a clamped part (15) of the terminal fittings, thereby preventing falling. Compared with a base part (31A) of the lance main body in the lance, the clamping projection part is formed into wide breadth and a bearing part (40) projects and is formed on the front end surface (31C) of the lance main body, and when the lance elastically recovers, the bearing part can bear the terminal fittings inserted into the standard position.
Description
Technical field
The present invention relates in the cavity of housing, be provided with the connector of the shaft of slip-off preventing with the terminal fittings fastening.
Background technology
In the prior art as an example of this connector, the known connector that has patent documentation 1 to put down in writing.In this connector, in housing, be provided with the cavity for the inserted terminals accessory, on a wall of this cavity, the shaft that is provided with the fastening teat at front end is set to the single-cantilever shape towards the direction of insertion of terminal fittings, and terminal fittings is while the shaft elastic bending is inserted in the cavity, after being inserted into normal place, the shaft hole of the fastening teat built-in end subassembly of shaft elastic recovery and front end prevents from coming off thus.
The prior art document
Patent documentation
Patent documentation 1: No. 2634528 communique of Japan Patent
This shaft is mainly brought into play when electric wire is pulled and terminal fittings fastening and the function of slip-off preventing, if drag force is excessive, then effect has along the excessive shearing force of the pulling direction of terminal fittings to the fastening teat, causes damaged danger thereby have.In order to tackle larger shearing force, widen shaft and to increase the section of shear comparatively effective, but in the situation that widened shaft, the rigidity of base end part of shaft that becomes the fulcrum of elastic bending uprises, therefore in order to make the crooked power that need to be larger of shaft, that is, the terminal insertion force increases, and therefore can not merely tackle.
Summary of the invention
The present invention is based on above-mentioned thing and finishes, and its purpose is to suppress insertion force and improves confining force to terminal fittings.
Connector of the present invention is provided with the cavity for the inserted terminals accessory in housing, a wall at this cavity is provided with shaft, the shaft main body that this shaft is extended to form by the direction of insertion along above-mentioned terminal fittings and consist of at the fastening teat of the leading section setting of this shaft main body, be inserted in the process of above-mentioned cavity at above-mentioned terminal fittings, owing to the interference with this terminal fittings makes above-mentioned shaft elastic bending, follow above-mentioned terminal fittings to be inserted into normal place, above-mentioned shaft elastic recovery and above-mentioned fastening teat and above-mentioned terminal fittings by the fastening of fastening section, prevent that thus above-mentioned terminal fittings from coming off, above-mentioned connector is characterised in that, compare with the base end part of shaft main body in the above-mentioned shaft, above-mentioned fastening teat forms wide cut, and be formed with carrier the front end face of above-mentioned shaft main body is outstanding, this carrier can be accepted the above-mentioned terminal fittings that is inserted by standard when above-mentioned shaft elastic recovery.
By the fastening teat being made as wide cut the section of shear is increased, thereby can improve the confining force to terminal fittings.On the other hand, the base end part of shaft main body is left in a narrow margin, therefore can guarantee well the bendability of shaft, the insertion force of terminal fittings can be suppressed less, and have good insertion workability.In addition, follow terminal fittings by standard insert, the shaft elastic recovery, terminal fittings is accepted by the carrier in the front end face setting of shaft main body, and then can terminal fittings be contained in the cavity with firm position after dismount.
In addition, also can be following structure.
(1) towards tapering that front broadens gradually between the above-mentioned base end part and above-mentioned fastening teat of above-mentioned shaft main body.
The in a narrow margin part of base end side is connected wide width part and is divided into without the poor and mode that connect smoothly of ladder with fastening teat side, avoided stress in this coupling part to concentrate and effectively prevent from damaging.
(2) above-mentioned terminal fittings has the terminal bodies that roughly closely is entrenched in the square tube shape in the above-mentioned cavity, back edge with opposite face above-mentioned shaft in this terminal bodies becomes above-mentioned by fastening section, and a pair of above-mentioned carrier of being located at above-mentioned shaft is accepted the edge, the left and right sides in the above-mentioned opposite face of above-mentioned terminal bodies.
When being the back edge of in the terminal bodies and opposite face shaft by fastening section, compare when for example being the shaft hole by fastening section, the fastening teat of shaft easily is set as wide cut, can access higher confining force.
According to the present invention, can in the insertion force that suppresses terminal fittings, improve with respect to the confining force of extracting, and can terminal fittings be contained in the cavity with firm position after dismount.
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 cloudy housing.
Fig. 3 is the front view of this moon housing.
Fig. 4 is the rearview of this moon housing.
Fig. 5 is the fragmentary perspective cross sectional view of this moon 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.
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 interior set shaft 30 fastenings of the cavity 22 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 rectangle section of growing crosswise of closely 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 the left and right sides sidewall 22A of the leading section of cavity 22 the outstanding side of terminal carrier 27 of outstanding setting become in the overlapping mode of Width.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, thus fastening teat 35 and cloudy terminal fittings 10 prevented from coming off by 15 fastenings of fastening section.Thereupon, the lateral edge portion about 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, all the mode with slip-off preventing is received cloudy terminal fittings 10 with above-mentioned identical main points, 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 front end face 31C that its front end is placed in shaft main body 31 outstanding setting releasing section 45 and press down, then flexible strip 40 and shaft 30 be towards the curved space 42 elastic bendings, thereby 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, will form wide cut and the section of shear is increased at the set fastening teat 35 of the leading section 31B of shaft main body 31, thereby can improve the confining force to cloudy terminal fittings 10.On the other hand, the base end part 31A of shaft main body 31 is left in a narrow margin, therefore can guarantee well the bendability of shaft 30, the insertion force of cloudy terminal fittings 10 can be suppressed less, and have good insertion workability.In addition, follow cloudy terminal fittings 10 to be inserted by standard and shaft 30 elastic recoveries, left and right sides edge part by accept the terminal connection part 11 of cloudy terminal fittings 10 from the outstanding flexible strip 40 that arranges of the front end face 31C of shaft main body 31 can be contained in cloudy terminal fittings 10 in the cavity 22 with firm position after dismount.
The in a narrow margin part of base end part 31A in the shaft main body 31 is connected the wide width part of side and is divided and become the poor and mode that connect smoothly of stepless ladder via the conical surface 32 with the fastening teat, avoided stress in this coupling part to concentrate and effectively prevent from damaging.
In addition, in the present embodiment, will with the back edge that is set in terminal connection part 11 by fastening section 15 of the cloudy terminal fittings 10 of shaft 30 fastenings, therefore be that the situation in shaft hole is compared by fastening section for example, the fastening teat 35 of shaft 30 easily is set as wide cut, can access higher confining force.
＜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) conduct is at the carrier of the terminal fittings of the front end face setting of shaft, be not limited to the illustrated flexible strip of above-mentioned execution mode, also can be for such as the outstanding front end that forms is free-endedly a pair ofly to accept sheet or from outstanding other shapes such as bearing plate that form of the whole width of front end face from the both ends of the Width of front end face.
(2) it is different that the width of the fastening teat side of shaft and base end side also can become stepped ground.
(3) shaft also can be fastening teat and form in the shaft hole phase embedding fastening of the one side institute opening of the terminal connection part of cloudy terminal fittings.
(4) in the above-described embodiment illustration the shaft of two cantilevered fashions, but the present invention also goes for the shaft of single-cantilever form.
(5) 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 (3)
1. connector, in housing, be provided with the cavity for the inserted terminals accessory, a wall at this cavity is provided with shaft, the shaft main body that this shaft is extended to form by the direction of insertion along above-mentioned terminal fittings and consist of at the fastening teat of the leading section setting of this shaft main body
Be inserted in the process of above-mentioned cavity at above-mentioned terminal fittings, owing to the interference with this terminal fittings makes above-mentioned shaft elastic bending, follow above-mentioned terminal fittings to be inserted into normal place, above-mentioned shaft elastic recovery and above-mentioned fastening teat and above-mentioned terminal fittings by the fastening of fastening section, prevent that thus above-mentioned terminal fittings from coming off
Above-mentioned connector is characterised in that,
Compare with the base end part of shaft main body in the above-mentioned shaft, above-mentioned fastening teat forms wide cut,
And be formed with carrier the front end face of above-mentioned shaft main body is outstanding, this carrier can be accepted the above-mentioned terminal fittings that is inserted by standard when above-mentioned shaft elastic recovery.
2. connector as claimed in claim 1 is characterized in that, towards tapering that front broadens gradually between the above-mentioned base end part and above-mentioned fastening teat of above-mentioned shaft main body.
3. connector as claimed in claim 1 or 2, it is characterized in that, above-mentioned terminal fittings has the terminal bodies that roughly closely is entrenched in the square tube shape in the above-mentioned cavity, back edge with opposite face above-mentioned shaft in this terminal bodies becomes above-mentioned by fastening section, and a pair of above-mentioned carrier of being located at above-mentioned shaft is accepted the edge, the left and right sides in the above-mentioned opposite face of above-mentioned terminal bodies.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-207169 | 2011-09-22 | ||
| JP2011207169A JP5776468B2 (en) | 2011-09-22 | 2011-09-22 | connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103022779A true CN103022779A (en) | 2013-04-03 |
| CN103022779B CN103022779B (en) | 2015-07-22 |
Family
ID=47971065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210350912.2A Active CN103022779B (en) | 2011-09-22 | 2012-09-19 | Connector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5776468B2 (en) |
| CN (1) | CN103022779B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950776A (en) * | 2019-06-12 | 2022-01-18 | 株式会社自动网络技术研究所 | terminal |
| CN114069308A (en) * | 2020-08-07 | 2022-02-18 | 住友电装株式会社 | Connector with a locking member |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359170A (en) * | 2000-11-24 | 2002-07-17 | 矢崎总业株式会社 | Connector |
| CN1697266A (en) * | 2004-05-14 | 2005-11-16 | 住友电装株式会社 | Connector |
| US20060160433A1 (en) * | 2003-01-10 | 2006-07-20 | Yukifumi Machida | Electrical connector |
| CN101436727A (en) * | 2007-11-12 | 2009-05-20 | 住友电装株式会社 | Connector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3415140B1 (en) * | 2002-07-04 | 2003-06-09 | 住友電装株式会社 | connector |
| JP5263138B2 (en) * | 2009-12-14 | 2013-08-14 | 住友電装株式会社 | connector |
-
2011
- 2011-09-22 JP JP2011207169A patent/JP5776468B2/en active Active
-
2012
- 2012-09-19 CN CN201210350912.2A patent/CN103022779B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359170A (en) * | 2000-11-24 | 2002-07-17 | 矢崎总业株式会社 | Connector |
| US20060160433A1 (en) * | 2003-01-10 | 2006-07-20 | Yukifumi Machida | Electrical connector |
| CN1697266A (en) * | 2004-05-14 | 2005-11-16 | 住友电装株式会社 | Connector |
| CN101436727A (en) * | 2007-11-12 | 2009-05-20 | 住友电装株式会社 | Connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950776A (en) * | 2019-06-12 | 2022-01-18 | 株式会社自动网络技术研究所 | terminal |
| CN114069308A (en) * | 2020-08-07 | 2022-02-18 | 住友电装株式会社 | Connector with a locking member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013069538A (en) | 2013-04-18 |
| CN103022779B (en) | 2015-07-22 |
| JP5776468B2 (en) | 2015-09-09 |
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