CN201498669U - electrical connector - Google Patents
electrical connector Download PDFInfo
- Publication number
- CN201498669U CN201498669U CN2009203099649U CN200920309964U CN201498669U CN 201498669 U CN201498669 U CN 201498669U CN 2009203099649 U CN2009203099649 U CN 2009203099649U CN 200920309964 U CN200920309964 U CN 200920309964U CN 201498669 U CN201498669 U CN 201498669U
- Authority
- CN
- China
- Prior art keywords
- terminal
- electric connector
- cantilever portion
- projection
- holding parts
- 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
The utility model relates to an electrical connector, which is used for being welded onto a circuit board for being plugged with a butt plug. The electrical connector comprises an insulation body and conducting terminals arranged inside the same, the insulation body is provided with a lengthwise holding space and a first holding chamber communicated with the holding space and used for holding the conducting terminals, each conducting terminal comprises a first terminal provided with a fixing portion, a hanging arm portion and a contact portion, wherein the fixing portion is fixed with the insulation body, the hanging arm portion extends from the fixing portion, the contact portion further extends from the hanging arm portion and convexly extends into the holding space to be abutted against the butt plug, the insulation body is provided with a projection convexly extending into the first holding chamber, and the projection located on the outer side of the hanging arm portion is used for abutting against the hanging arm portion to prevent the same externally expand excessively, thereby being capable of protecting the conducting terminals better.
Description
[technical field]
The utility model relates to a kind of electric connector, refers in particular to a kind of electric connector with elastic conduction terminal.
[background technology]
The electric connector that the prior art relevant with the utility model can be disclosed for CN2475163Y number with reference to the Chinese utility model patent that on March 20th, 2002 was announced, described electric connector is in order to accommodate and the clamping banjo, and described electric connector is provided with insulating body and is installed on the interior rubber-like conducting terminal in order to the clamping banjo of insulating body.Described insulating body is provided with in order to accommodate the accommodation space of banjo, and described conducting terminal is provided with the kink of the holding parts, the cantilever portion from holding parts bending extension, connection holding parts and the cantilever portion that are installed on the insulating body and is positioned at the contact site in order to inside clamping banjo of cantilever portion end to the accommodation space inner process.Described insulating body is provided with the projection of the held contact site that is positioned at the contact site outside, and described projection can prevent that banjo from too compressing contact site and conducting terminal too is out of shape.But described conducting terminal is when being subjected to compressing, cantilever portion is with respect to holding parts generation strain, described kink is concentrated stressed, so be provided with, described kink for a long time or the stress of being concentrated continually, conducting terminal is ruptured at the kink place, thereby shorten the useful life of electric connector.
[utility model content]
The purpose of this utility model is to provide a kind of electric connector that makes conducting terminal obtain preferable protection.
The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, insert for banjo in order to be soldered on the circuit board, described electric connector comprises insulating body and is installed on the interior conducting terminal of insulating body, described insulating body be provided with the accommodation space of lengthwise shape and be communicated with accommodation space in order to accommodate first containing cavity of conducting terminal, described conducting terminal comprises the first terminal, described the first terminal is provided with and the insulating body holding parts of fixing mutually, the cantilever portion of extending from holding parts and further extend and protrude in the accommodation space in order to hold the contact site of banjo from cantilever portion, described insulating body is provided with the projection that protrudes out in first containing cavity, described projection is positioned at the cantilever portion outside, prevents the outside overdistension of cantilever portion in order to hold cantilever portion.
Compared to prior art; the insulating body of the utility model electric connector is provided with the projection that is positioned at the first terminal cantilever portion outside; when banjo compresses contact site; described projection is held in the outside of cantilever portion to prevent the outside overdistension of cantilever portion; and make cantilever portion bear certain stress, and so be provided with, can make cantilever portion and holding parts connection obtain preferable protection; prevent that to a certain extent stress from concentrating and rupture, influence the useful life of electric connector.
[description of drawings]
Fig. 1 is the stereogram of the utility model electric connector.
Fig. 2 is the stereogram of another angle of electric connector among Fig. 1.
Fig. 3 is the stereogram behind the utility model electric connector grafting banjo.
Fig. 4 is the three-dimensional exploded view of the utility model electric connector.
Fig. 5 is another angle three-dimensional exploded view of electric connector among Fig. 4.
[embodiment]
Better embodiment of the present utility model is a kind of electric connector 100 of pegging graft in order to the banjo 200 for transmitting audio signal on the mounting circuit boards (not shown), as shown in Figure 3, described banjo 200 front ends are provided with a tapered portion 201, described tapered portion 201 comprises minimum diameter place 202 and maximum gauge place 203, described maximum gauge place 203 is positioned at the front end at minimum diameter place 202, so, described tapered portion 201 can be difficult for breaking away from this electric connector 100 when being subjected to chucking power.Described electric connector 100 comprise insulating body 1, some be installed on the insulating body 1 in order to the conducting terminal 2 of electrical contact and clamping banjo 200 different parts and be installed on the insulating body 1 in order to electric connector 100 is immobilizated in the retaining piece 3 on the circuit board.
Please refer to Fig. 3 to shown in Figure 5, described insulating body 1 comprises rectangular-shaped body 10 and the ear 11 of extending from body 10 both sides.Described body 10 is provided with front end face 101, the rear end face 102 relative with front end face 101 and end face 103, the bottom surface 104 and two sides 105 that connects front and rear end 101,102.Described body 10 also comprise from front end face 101 cave in backward the cylindrical accommodation space 12 of the lengthwise shape that forms, from the bottom surface 104 upwards four containing cavities that are connected with accommodation space 12 of depression and the rectangular-shaped breach 17 that cave in and form forward from rear end face 102.Described accommodation space 12 roughly is divided near the first half 120 of front end face 101 and the latter half 121 of close rear end face 102.Described containing cavity is respectively first, second, third, fourth containing cavity 13,14,15,16, described first, second containing cavity 13,14 is positioned at the both sides of latter half 121 and is axial symmetrical distribution with respect to the front and back bearing of trend of accommodation space 12, and promptly first, second containing cavity 13,14 arragement directions are perpendicular to the bearing of trend of accommodation space 12.Structurally mirror image is identical for described first, second containing cavity 13,14.With first containing cavity 13 is example, described first containing cavity 13 comprise with accommodation space 12 partially communicating for conducting terminal 3 deformation spaces resettlement section 130 and be positioned at the holding slot 133 of resettlement section 130 opposite sides in order to fix conducting terminal 3, described holding slot 133 is roughly " protruding " font on the perpendicular that extends along fore-and-aft direction, that is, described holding slot 133 comprises the long groove shape first 1301 of 104 horizontally sets that upwards cave in from the bottom surface and the second portion 1302 that further makes progress systolic depression and be connected with resettlement section 130 from first 1302 middle parts.Described first containing cavity 13 is provided with the lateral surface 131 that is positioned at holding slot 133 outermost vertical settings, connect lateral surface 131 and top end face 132 relative with bottom surface 104 and the projection 1311 that extends into resettlement section 130 from top end face 132 vertically downward.Described projection 1311 comprises rectangular-shaped base portion 1312 and the tip 1313 of the triangle that further protrudes out from base portion 1312 middle parts in resettlement section 130, so be provided with, described base portion 1312 can strengthen the intensity of projection 1311, and is connected steadiness between projection 1311 and the top end face 132.Described holding slot 133 is held between projection 1311 and the lateral surface 131, and described projection 1311 is positioned at same horizontal level with second portion 1302.Described second accommodation space 14 is provided with another projection 1411, and the shape of described projection 1411 and position are the mirror image symmetry with the shape and the position of projection 1311 respectively on the bearing of trend of accommodation space 12.Described the 3rd, the 4th containing cavity 15,16 is positioned at the both sides of first half 120.Described bottom surface 104 protrudes out some in order to be plugged to the cylindric fixing pin (not label) on the circuit board downwards.Described breach 17 upwards runs through end face 103 but does not run through bottom surface 104, that is, described breach 17 belows also are provided with flat plate body 170, described plate body 17 central authorities be provided with run through up and down in order to the storage tank 171 of retaining piece 3 to be installed.Described two sides 105 all are extended with ear 11 respectively to both sides, described ear 11 is provided with the through hole 111 that runs through up and down, described through hole 111 make in order to accommodate align member (not shown) whole electric connector 100 by this align member and strong fix on circuit board.
See also Fig. 3 to shown in Figure 5, described conducting terminal 2 comprises the first terminal 21, second terminal 22, the 3rd terminal 23 and the 4th terminal 24.The structure of the structure of described the first terminal 21 and second terminal 22 is the mirror image symmetry.With the first terminal 21 is example, described the first terminal 21 comprise roughly the holding parts 212 that fixes with insulating body 1 that is " protruding " font, from elastic cantilever portion 215 that holding parts 212 1 side side direction bending revolution is extended, is connected holding parts 212 and cantilever portion 215 kink 214, be positioned at the contact site 216 of cantilever portion 215 ends and from holding parts 212 bases outwards vertical bend extension in order to be soldered to the weld part 213 on the circuit board.Described holding parts 212 comprises the strip bottom wider part 2122 of horizontally set and from the rectangular-shaped top narrower part 2121 of the upwardly extending left and right sides, bottom wider part 2122 middle parts width less than bottom wider part 2122.Described bottom wider part 2122 is equipped with the hangnail 2123 that outwards protrudes out from both sides with top narrower part 2121.Described cantilever portion 215 is laterally to turn round to extend from a side of top narrower part 2121 to form.Described holding parts 212 is installed in the holding slot 133, promptly be held between projection 1311 and the lateral surface 131, and described holding parts 212 prevents further up motion of holding parts 212 by bottom wider part 2122 is installed in the first 1301; Described top narrower part 2121 holds by hangnail 2123 and is contained in the second portion 1302, and prevents that holding parts 212 breaks away from holding slot 171 downwards.So be provided with, described holding parts 212 can be stablized and is immobilizated on the insulating body 1.Described projection 1311 is positioned at same horizontal level with second portion 1302, it is the side that projection 1311 is positioned at top narrower part 2121, when described contact site 216 was subjected to compressing, the free end of cantilever portion 215 was drawn close to the top of holding parts 212 narrower part 2121 directions, compressed mutually with projection 1311 just.Contact site 216 is subjected to compressing and makes kink 214 be subjected to concentrated stress.In other embodiments, described cantilever portion 215 can form from the extension of holding parts 212 1 lateral deviations folding, and promptly the angle between cantilever portion 215 and the holding parts 212 is an obtuse angle, when contact site 216 is subjected to compressing, is still described kink 214 and is subjected to concentrated stress.Described contact site 216 is overshooting shape to the direction away from holding parts 212, so is provided with, and is convenient to contact site 216 and is subjected to extraneous compressing.Described second terminal 22 is provided with and the first terminal 21 holding parts 222, weld part 223, kink 224, cantilever portion 225 and contact site 226 one to one.Described the 3rd terminal 23 is provided with L-shaped holding parts 232, rolls over from holding parts 232 1 lateral deviations and extend the cantilever portion 235 that forms, the circular-arc contact site 236 that is positioned at cantilever portion 235 ends and the outside vertical weld part 233 that extension forms that bends from holding parts 232 bottom sides.The kink 244 that described the 4th terminal 24 comprises roughly rectangular holding parts 242, extend to the turning down bending from holding parts 242 tops and from kink 244 ends to convex closure shape contact site 246 away from holding parts 242 direction projections.Described the 3rd terminal 23 and the 4th terminal 24 are installed on respectively in the 3rd, the 4th containing cavity 15,16 of accommodation space 12 first halfs 120 both sides.The contact site 236,246 of described the 3rd terminal 23 and the 4th terminal 24 all protrudes into the inside of accommodation space 12 first halfs 120 in order to electrically connect with banjo 200.Described first, second terminal 21,22 is installed on respectively in first, second containing cavity 13,14 of accommodation space 12 latter halfs 121 both sides, and is axial symmetric mode distribution with respect to the bearing of trend of accommodation space 12.The contact site 216,226 of the described the first terminal 21 and second terminal 22 all protrudes into the tapered portion 201 of the inside of accommodation space 12 latter halfs 121 in order to clamping banjo 200, prevents that banjo 200 breaks away from accommodation space 12.And described cantilever portion 215,225 is all extended along the longitudinally of accommodation space 12, is easy to the bearing of trend insertion that banjo 200 prolongs accommodation space 12.
As shown in Figure 2, when banjo 200 did not insert, described cantilever portion 215,225 did not compress with two projections 1311,1411 respectively, in the present embodiment, cantilever portion 215,225 only is to overlap mutually with two projections 1311,1411 respectively, does not produce mutual active force; In other embodiments, described cantilever portion 215,225 respectively can be separated by a distance with two projections 1311,1411.At banjo 200 during insertion, the maximum gauge place 203 of described tapered portion 201 can compress contact site 216,226 to make cantilever portion 215,225 be basic point to accommodation space 12 lateral direction skew expansion with kink 214,224 respectively.Described projection 1311,1411 is between holding parts 212,222 and cantilever portion 215,225, so be provided with, the outside that described projection 1311,1411 can hold cantilever portion 215,225 prevents further expansion laterally of cantilever portion 215,225, described cantilever portion 215,225 is held and elastic bending is taken place, so be provided with, on the one hand in the power that compresses that increases by 216,226 pairs of maximum gauge places 203 of contact site, the concentrated stress of disperseing kink 214,224 to be subjected on the other hand again.And the power of compressing that increases contact site 216,226 can make the 203 more difficult extruding by contact both sides portion 216,226 of maximum gauge place, thereby makes described tapered portion 201 be difficult for outwards breaking away from accommodation space 12 after grafting puts in place; Aspect the stress of avoiding kink 214,224 concentrates; can have and make the first terminal 21, second terminal 22 obtain preferable protection; prevent that to a certain extent stress is concentrated to rupture because of kink 214,224 is subjected to for a long time or frequently, thereby prolong the useful life of the first terminal 21, second terminal 22.
Really, the shape of the utility model electric connector 100 and material be not limited to present embodiment in shape and material, these variations are all within the scope that the utility model electric connector 100 protected.
Claims (10)
1. electric connector, insert for banjo in order to be soldered on the circuit board, described electric connector comprises insulating body and is installed on the interior conducting terminal of insulating body, described insulating body be provided with the accommodation space of lengthwise shape and be communicated with accommodation space in order to accommodate first containing cavity of conducting terminal, described conducting terminal comprises the first terminal, described the first terminal is provided with and the insulating body holding parts of fixing mutually, the cantilever portion of extending from holding parts and further extend and protrude in the accommodation space in order to hold the contact site of banjo from cantilever portion, it is characterized in that: described insulating body is provided with the projection that protrudes out in first containing cavity, described projection is positioned at the cantilever portion outside, prevents the outside overdistension of cantilever portion in order to hold cantilever portion.
2. electric connector as claimed in claim 1 is characterized in that: be provided with kink between the holding parts of described the first terminal and the cantilever portion, described cantilever portion forms towards holding parts revolution extension from kink, and described projection is between holding parts and cantilever portion.
3. electric connector as claimed in claim 1 is characterized in that: be provided with lateral surface in described first containing cavity, described holding parts is between projection and lateral surface.
4. electric connector as claimed in claim 1 is characterized in that: described cantilever portion is extended along the longitudinally of accommodation space.
5. electric connector as claimed in claim 1 is characterized in that: described holding parts protrudes out in order to hold the hangnail of insulating body to both sides.
6. electric connector as claimed in claim 1, it is characterized in that: the bottom wider part that described holding parts comprises the top narrower part and is positioned at narrower part below, top, cantilever portion is to extend from the side of top narrower part to form, described first containing cavity be provided with in order to the first that the bottom wider part is installed and from the further stepped contraction of first extend in order to the second portion of top narrower part to be installed.
7. electric connector as claimed in claim 6 is characterized in that: described projection comprises base portion and the triangle tip in order to compress mutually with cantilever portion that extends internally from base portion, and described projection is positioned at top narrower part side.
8. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal comprises second terminal, described insulating body is provided with in order to second containing cavity that second terminal is installed and another and protrudes into projection in second containing cavity, the projection in described the first terminal, first containing cavity respectively with second terminal, second containing cavity in projection on the accommodation space bearing of trend, be axial symmetrical distribution.
9. electric connector as claimed in claim 8 is characterized in that: described accommodation space comprises first half and latter half, and the described the first terminal and second terminal protrude in the latter half.
10. electric connector as claimed in claim 9, it is characterized in that: described conducting terminal comprises also and is installed on the insulating body and protrudes into the 3rd terminal and the 4th terminal in the accommodation space first half that described the 3rd, the 4th terminal is positioned at the both sides of accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099649U CN201498669U (en) | 2009-09-09 | 2009-09-09 | electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099649U CN201498669U (en) | 2009-09-09 | 2009-09-09 | electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498669U true CN201498669U (en) | 2010-06-02 |
Family
ID=42441867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203099649U Expired - Fee Related CN201498669U (en) | 2009-09-09 | 2009-09-09 | electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600386A (en) * | 2017-10-18 | 2018-01-19 | 沈阳旋飞航空技术有限公司 | The cantilever of electronic unmanned plane |
-
2009
- 2009-09-09 CN CN2009203099649U patent/CN201498669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600386A (en) * | 2017-10-18 | 2018-01-19 | 沈阳旋飞航空技术有限公司 | The cantilever of electronic unmanned plane |
| CN107600386B (en) * | 2017-10-18 | 2023-11-07 | 沈阳旋飞航空技术有限公司 | Cantilever of electric unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20120909 |