CN201927739U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN201927739U CN201927739U CN2010206174752U CN201020617475U CN201927739U CN 201927739 U CN201927739 U CN 201927739U CN 2010206174752 U CN2010206174752 U CN 2010206174752U CN 201020617475 U CN201020617475 U CN 201020617475U CN 201927739 U CN201927739 U CN 201927739U
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- CN
- China
- Prior art keywords
- insulating body
- conducting terminal
- electric connector
- arm
- elastic arm
- 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 electric connector, which is used for electrically connecting a chip module provided with pins and a circuit board. The electric connector comprises an insulating body and a plurality of conducting terminals arranged on the insulating body, wherein each conducting terminal comprises a base, a pair of elastic arms and a welding part; the elastic arms are arranged in a bending-extending manner from the two sides of the base; and the welding part is arranged downwards in a bending-extending manner from the base. The insulating body can move up and down relative to the conducting terminals so as to switch between a first position and a second position and drive the elastic arms of the conducting terminals to switch between a switch-off state and a switch-on state, and further the pins of the chip module are clamped by the elastic arms, therefore, the problem that the chip module and the electric connector are damaged caused by the true position of the pins of the chip module and the conducting terminals is prevented.
Description
[technical field]
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector of chip module to the circuit board that electrically connect.
[technical background]
The electric connector relevant with the utility model is used to electrically connect the chip module and the circuit board that are provided with stitch, such as United States Patent (USP) announce No. 7137841 announcement.This electric connector comprises insulating body and is housed in plurality of conductive terminals in the insulating body.Insulating body has supporting surface and the installed surface that is oppositely arranged, and it runs through supporting surface and installed surface is provided with some terminal containing slots that are interconnected and stitch guide channel.The stitch guide channel can the chip guide module stitch insert in the terminal containing slot of insulating body.Conducting terminal comprises base portion, a pair of arm, the contact site that is located at the arm end that extend to be provided with by base portion two lateral bucklings, the holding parts that is located at the base portion both sides and bent downwards by base portion and to extend the weld part that is provided with.The holding parts of conducting terminal can with the sidewall interference engagement of the terminal containing slot of insulating body, be used for conducting terminal is retained on insulating body.Electric connector can be by tin ball below the weld part that is implanted in conducting terminal and circuit board welding, and the contact site clamping by conducting terminal inserts the stitch of the chip module in the terminal containing slot of insulating body, realizes the electric connection between circuit board and chip module.
Though above-mentioned electric connector can pass through the stitch of the contact site clamping chip module of conducting terminal, tin ball and circuit board welding by being located at the weld part below realize the electric connection between chip module and circuit board.But the stitch of chip module goes in the insulating body deflection takes place in group, and can not normally contact with the contact site of conducting terminal the time, stitch that can the defective chip module or damage conducting terminal.
For overcoming above-mentioned defective, necessaryly provide a kind of improved electric connector.
[utility model content]
The purpose of this utility model is to provide between a kind of stitch that can guarantee chip module and conducting terminal has good normotopia degree, prevents the stitch of defective chip module and the electric connector of conducting terminal.
The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, be used to electrically connect the chip module and the circuit board that are provided with stitch, and it comprises insulating body and is retained on plurality of conductive terminals on the insulating body.Conducting terminal comprises base portion, extends a pair of elastic arm that is provided with and the weld part that is bent the extension setting by base portion downwards by base portion two lateral bucklings.Insulating body can move up and down changing between the second place and primary importance with respect to conducting terminal, and the elastic arm that drives conducting terminal is changed between open configuration and closure state.
The utility model further defines, and described insulating body is provided with stop block, and described stop block can make elastic arm self-closing state change to open configuration from primary importance pushes described conducting terminal when the second place is changed elastic arm at described insulating body.
The utility model further defines, the base portion two lateral bucklings extension of described conducting terminal is provided with a pair of connecting portion, described elastic arm be by connecting portion upwards bending extend and be provided with, it comprise by connecting portion tilt to extend upward setting first arm, be the metacarpus of expansion state setting and second arm that extends setting by metacarpus straight up by first arm.
The utility model further defines, and described insulating body is provided with some terminal containing slots of accommodating conducting terminal, and described stop block is located on the inwall of terminal containing slot.
The utility model further defines, the stop block of described insulating body is connected to first arm of conducting terminal and the junction of connecting portion when insulating body is in primary importance, make the elastic arm of conducting terminal be in closure state, described stop block is connected to first arm of conducting terminal and the junction of metacarpus when insulating body is in the second place, make the elastic arm of conducting terminal be in open configuration.
The utility model further defines, and described conducting terminal also comprises a clamping part of the second arm end of being located at each elastic arm.
The utility model further defines, and the terminal containing slot of described insulating body comprises first accepting groove that is positioned at the top and second accepting groove that is positioned at the below and is communicated with first accepting groove.
The utility model further defines, and first accepting groove of described insulating body and the junction of second accepting groove are formed with step, can be used to accept the metacarpus of the elastic arm of conducting terminal when insulating body is in the second place.
The utility model further defines, and also is provided with the stitch guide channel that is positioned at the terminal containing slot top and is communicated with terminal containing slot on the described insulating body.
The utility model further defines, and the stitch guide channel of described insulating body has the guiding face of inclination.
Compared with prior art, the insulating body of electric connector of the present utility model can with respect to conducting terminal move up and down with the elastic arm that drives conducting terminal open, closure, make the stitch of elastic arm clamping chip module, prevent the stitch of defective chip module when working as the chip module group and go on the insulating body or damage conducting terminal because of the normotopia degree problem of the stitch of chip module and conducting terminal.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of electric connector of the present utility model.
Fig. 2 is the three-dimensional exploded view of electric connector of the present utility model.
Fig. 3 is the stereogram of the insulating body of electric connector of the present utility model.
Fig. 4 is the cutaway view of electric connector of the present utility model and circuit board, and wherein conducting terminal is in open configuration.
Fig. 5 is the cutaway view that electric connector of the present utility model electrically connects chip module and circuit board.
[embodiment]
See also Fig. 1 to shown in Figure 5, the utility model is a kind of electric connector 100, be used to electrically connect the chip module 4 and circuit board 5 that are provided with stitch 40, it comprises insulating body 1, is housed in the plurality of conductive terminals 2 in the insulating body 1 and organizes the tin ball 3 that is located at conducting terminal 2 belows.
Please consult Fig. 2, Fig. 4 and shown in Figure 5 by emphasis, conducting terminal 2 is made by metal material belt, and it comprises plate-like base 20, by 20 liang of lateral bucklings of base portion and extend upward a pair of elastic arm 21 of setting and bent downwards by base portion 20 bottoms and extend the tabular weld part 23 of level that is provided with.Elastic arm 21 ends are provided with clamping part 22, and stitch 40 that can clamping chip module 4 is realized electrically conducting of 4 of electric connector 100 and chip modules.Distance is slightly less than the diameter of the stitch 40 of chip module 4 between the clamping part 22.20 liang of lateral bucklings of base portion and along continuous straight runs extension are provided with a pair of connecting portion 24.Connecting portion 24 roughly is the setting of " U " type with base portion 20.Elastic arm 21 be by connecting portion 24 upwards bending extend and be provided with, it comprises by connecting portion 24 tops and upwards and in opposite directions extends first arm 210 that is provided with, upwards bent and be the metacarpus 211 of expansion state setting and second arm 212 that is extended setting by the top of metacarpus 211 straight up by first arm 210.First arm 210 is that the top by connecting portion 24 tilts to extend upward setting in the convergent mode.Spacing is less than spacing between the metacarpus 211 between first arm 210.Spacing is less than spacing between second arm 212 between the metacarpus 211.Described clamping part 22 is to tilt to extend upward setting by second arm, 212 ends in the convergent mode.
Please consult Fig. 2 to shown in Figure 5 by emphasis, insulating body 1 is to be made by insulating material, and it has the supporting surface 10 of supporting chip module 4 and installed surface 11 and some terminal containing slots 12 that runs through supporting surface 10 and installed surface 11 settings of connecting circuit plate 5.Terminal containing slot 12 is used to accommodate conducting terminal 2, and it comprises first accepting groove 120 that is positioned at the top and second accepting groove 121 that is positioned at the below and is communicated with first accepting groove 120.The width of described first accepting groove 120 is greater than the width of second accepting groove 121, and the junction of itself and second accepting groove 121 is formed with step 122.Described step 122 can be used to accept the metacarpus 211 of the elastic arm 21 of conducting terminal 2 when insulating body 1 moves upward with respect to conducting terminal 2, conducting terminal 2 is retained in the insulating body 1.Insulating body 1 also is provided with the stitch guide channel 13 that is positioned at terminal containing slot 12 tops and is communicated with terminal containing slot 12.Stitch guide channel 13 roughly is the funnel-form setting, it has the guiding face 130 of inclination, 40 groups of stitch that can chip guide module 4 are gone in the terminal containing slot 12 of insulating body 1, and then make the clamping part 22 accurate clamping stitch 40 of conducting terminal 2, realize electrically conducting of 100 of chip module 4 and electric connectors, the stitch 40 that prevents chip module 4 goes into deflection takes place in the insulating body 1 normally not contact with conducting terminal 2 in group, and the stitch 40 of defective chip module 4 or damage conducting terminal 2.
Please consult Fig. 3 to shown in Figure 5 by emphasis, insulating body 1 also comprises to be located in the terminal containing slot 12 and the stop block 14 of the opposing sidewalls of splicing ear accepting groove 12.Stop block 14 has the end face 143 and the bottom surface 144 that is higher than the installed surface 11 of insulating body 1 of the supporting surface 10 that is lower than insulating body 1.Stop block 14 is divided into two parts symmetrical with terminal containing slot 12, and it comprises the wider part 140 that is arranged in second accepting groove 121, tilts to extend upward the transition part 141 of setting and the narrower part 142 that is extended setting by the top of transition part 141 straight up by wider part 140 in the convergent mode.The width of the connecting portion 24 of the width of described wider part 140 and conducting terminal 2 is roughly the same, and greater than the distance of 210 of first arms of conducting terminal 2, first arm 210 that can push conducting terminal 2 when insulating body 1 relative conducting terminal 2 moves upward makes the elastic arm 21 of conducting terminal 2 be in open configuration.Described transition part 141 has smooth inclined-plane (not label).Described transition part 141 is roughly the same at the height of first arm, 210 in the vertical directions of the height of vertical direction and conducting terminal 2.The height of connecting portion 24 in the vertical directions of the height of described wider part 140 in the vertical directions and conducting terminal 2 is roughly the same.121 of second accepting grooves of described wider part 140 and insulating body 1 are formed with groove (not label), can accommodate the weld part 23 of conducting terminal 2 when 2 groups of conducting terminals are gone into insulating body 1.Described transition part 141 and narrower part 142 all are arranged in first accepting groove 120 of insulating body 1.
During assembling, in two symmetric parts that the terminal containing slot 12 that at first elastic arm 21 of conducting terminal 2 is housed in insulating body 1 respectively is divided into by stop block 14, and organize from bottom to top in the terminal containing slot 12 of insulating body 1 along stop block 14 outsides of insulating body 1, be connected to stop block 14 bottoms of insulating body 1 until the weld part 23 of conducting terminal 2.At this moment, insulating body 1 is in second place place with conducting terminal 2, and the elastic arm 21 of conducting terminal 2 is in closure state (please join shown in Figure 5).The elastic arm 21 of conducting terminal 2 is arranged in first accepting groove 120 of the terminal containing slot 12 of insulating body 1, and connecting portion 24 is arranged in second accepting groove 121 of terminal containing slot 12.The connecting portion 24 of conducting terminal 2 is positioned at the both sides of wider part 140 of the stop block 14 of insulating body 1, and first arm 210 is positioned at the both sides of the transition part 141 of stop block 14.Weld part 23 parts are arranged in the stop block 14 of insulating body 1 and the groove (not label) that second accepting groove 121 forms, and its bottom surface is positioned at installed surface 11 belows of insulating body 1.
After assembling, the weld part 23 and 3 welding of tin ball of the conducting terminal 2 of installed surface 11 belows that electric connector 100 can be by being positioned at insulating body 1, and, realize electrically conducting of 5 of electric connector 100 and circuit boards by tin ball 3 and circuit board 5 welding.Can the application of force upwards lift insulating body 1 this moment insulating body 1 is moved upward, be undertaken on until the metacarpus 211 of the elastic arm 21 of conducting terminal 2 on the step 122 of terminal containing slot 12 of insulating body 1.At this moment, insulating body 1 is positioned at the primary importance place with conducting terminal 2, and the elastic arm 21 of conducting terminal 2 is in open configuration (please join shown in Figure 4).The connecting portion 24 of conducting terminal 2 stretches out the bottom of insulating body 1.First arm 210 is arranged in second accepting groove 121 of insulating body 1, and is connected to wider part 140 both sides of the stop block 14 of insulating body 1, and the elastic arm 21 of conducting terminal 2 is opened.Second arm 212 of conducting terminal 2 is arranged in first accepting groove 120 of insulating body 1, and is resisted against on the inwall of first accepting groove 120.At this moment, chip module can be located on the insulating body 1 for 4 groups.
When being located at 4 groups of chip modules on the insulating body 1, chip module 4 can press down insulating body 1, and insulating body 1 is moved downward.The wider part 140 of the stop block 14 of insulating body 1 can move down along first arm, 210 inboards of conducting terminal 2, is connected to the top of the weld part 23 of conducting terminal 2 until stop block 14.At this moment, insulating body 1 is positioned at the primary importance place with conducting terminal 2, and the elastic arm 21 of conducting terminal 2 is in closure state, and the stitch 40 of clamping chip module 4.The connecting portion 24 of conducting terminal 2 is arranged in second accepting groove 121 of insulating body 1, and is positioned at wider part 140 both sides of stop block 14.First accepting groove 120 that first arm 210 of conducting terminal 2, second arm 211 all are arranged in insulating body 1, and first arm 210 is positioned at transition part 141 both sides of stop block 14.First arm 210 of conducting terminal 2 no longer is subjected to the pushing of wider part 140 of stop block 14 and elastic arm 21 is changed to closure state from open configuration.The clamping part 22 of conducting terminal 2 stretches in the stitch guide channel 13 of insulating body 1, and the stitch 40 of clamping chip module 4, realizes electrically conducting of 4 of electric connector 100 and chip modules.Thus, promptly realized the electric connection of 5 of chip module 4 and circuit boards.
After test finishes, chip module 4 can be taken out, and the application of force moves upward to be in the second place place insulating body 1, can test another chip module 4, realize electric connector 100 nonexpondable functions.
The elastic arm 21 of the conducting terminal 2 of electric connector 100 of the present utility model can be changed between open configuration and closure state by the effect of the stop block 14 of insulating body 1 when insulating body 1 is moved upward by external force and be in second place place, move downward and be in the primary importance place, the stitch 40 that is used for clamping chip module 4, realize and the electrically conducting of 4 of chip modules, and then prevent because of the stitch 40 of chip module 4 and the normotopia degree problem defective chip module 4 or the conducting terminal 2 of conducting terminal 2.And the stressed position that moves upward of insulating body 1 is when the second place, and conducting terminal 2 can be resisted against on the step 122 of terminal containing slot 12 of insulating body 1 by metacarpus 211, and conducting terminal 2 is spacing in insulating body 1.In addition, the stitch that the inclined guide portion 130 of the stitch guide channel 13 of insulating body 1 can chip guide module 4 is gone in the terminal containing slot 12 for 40 groups, makes things convenient for the clamping part 22 accurate clamping stitch 40 of conducting terminal 2.
The above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.
Claims (10)
1. electric connector, be used to electrically connect the chip module and the circuit board that are provided with stitch, it comprises insulating body and is retained on plurality of conductive terminals in the insulating body, conducting terminal comprises base portion, extends a pair of elastic arm that is provided with and the weld part that is bent the extension setting by base portion downwards by base portion two lateral bucklings, it is characterized in that: described insulating body can move up and down changing between the second place and primary importance with respect to conducting terminal, and the elastic arm that drives conducting terminal is changed between open configuration and closure state.
2. electric connector as claimed in claim 1, it is characterized in that: described insulating body is provided with stop block, and described stop block can make elastic arm self-closing state change to open configuration from primary importance pushes described conducting terminal when the second place is changed elastic arm at described insulating body.
3. electric connector as claimed in claim 2, it is characterized in that: the base portion two lateral bucklings extension of described conducting terminal is provided with a pair of connecting portion, described elastic arm be by connecting portion upwards bending extend and be provided with, it comprise by connecting portion tilt to extend upward setting first arm, be the metacarpus of expansion state setting and second arm that extends setting by metacarpus straight up by first arm.
4. electric connector as claimed in claim 3 is characterized in that: described insulating body is provided with some terminal containing slots of accommodating conducting terminal, and described stop block is located on the inwall of terminal containing slot.
5. electric connector as claimed in claim 4, it is characterized in that: the stop block of described insulating body is connected to first arm of conducting terminal and the junction of connecting portion when insulating body is in primary importance, make the elastic arm of conducting terminal be in closure state, described stop block is connected to first arm of conducting terminal and the junction of metacarpus when insulating body is in the second place, make the elastic arm of conducting terminal be in open configuration.
6. electric connector as claimed in claim 5 is characterized in that: described conducting terminal also comprises a clamping part of the second arm end of being located at each elastic arm.
7. electric connector as claimed in claim 6 is characterized in that: the terminal containing slot of described insulating body comprises first accepting groove that is positioned at the top and second accepting groove that is positioned at the below and is communicated with first accepting groove.
8. electric connector as claimed in claim 7 is characterized in that: first accepting groove of described insulating body and the junction of second accepting groove are formed with step, can be used to accept the metacarpus of the elastic arm of conducting terminal when insulating body is in the second place.
9. electric connector as claimed in claim 7 is characterized in that: also be provided with the stitch guide channel that is positioned at the terminal containing slot top and is communicated with terminal containing slot on the described insulating body.
10. electric connector as claimed in claim 9 is characterized in that: the stitch guide channel of described insulating body has the guiding face of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206174752U CN201927739U (en) | 2010-11-22 | 2010-11-22 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206174752U CN201927739U (en) | 2010-11-22 | 2010-11-22 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927739U true CN201927739U (en) | 2011-08-10 |
Family
ID=44431574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206174752U Expired - Fee Related CN201927739U (en) | 2010-11-22 | 2010-11-22 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193192A (en) * | 2018-08-24 | 2019-01-11 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109326906A (en) * | 2017-07-31 | 2019-02-12 | 富加宜（美国）有限责任公司 | It is in electrical contact pre-load arrangement |
-
2010
- 2010-11-22 CN CN2010206174752U patent/CN201927739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326906A (en) * | 2017-07-31 | 2019-02-12 | 富加宜（美国）有限责任公司 | It is in electrical contact pre-load arrangement |
| CN109193192A (en) * | 2018-08-24 | 2019-01-11 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109193192B (en) * | 2018-08-24 | 2020-11-24 | 番禺得意精密电子工业有限公司 | Electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20141122 |
|
| EXPY | Termination of patent right or utility model |