CN105261859A - DC power supply socket connector - Google Patents
DC power supply socket connector Download PDFInfo
- Publication number
- CN105261859A CN105261859A CN201510780331.6A CN201510780331A CN105261859A CN 105261859 A CN105261859 A CN 105261859A CN 201510780331 A CN201510780331 A CN 201510780331A CN 105261859 A CN105261859 A CN 105261859A
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- contact
- contact part
- cathode
- pin connector
- supply hub
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Abstract
The invention discloses a DC power supply socket connector and relates to the technical field of electrical connectors, which comprises an insulating base, a positive contact, a negative contact and a preliminary contact electrically connected with the negative contact. The insulating base is provided with a power supply hub. The positive contact and the negative contact are fixed onto the insulating base. After a plug connector is inserted into the power supply hub, the positive contact and the negative contact are respectively in contact with the positive output end and the negative output end of the plug connector. The preliminary contact is fixed to the insulating base. When the plug connector is inserted into the power supply hub, the preliminary contact is in contact with the negative output end of the plug connector. The preliminary contact is provided with a preliminary contact part in contact with the negative output end of the plug connector during the inserting process. The positive contact is provided with a positive contact part in contact with the positive output end of the plug connector during the inserting process. The distance between the preliminary contact part and the orifice of the power supply hub is smaller than the distance between the positive contact part and the orifice of the power supply hub.
Description
Technical field
The present invention relates to technical field of electric connectors, be specifically related to a kind of Direct current power source socket connector.
Background technology
Portable electric appts is notebook computer such as, is generally to rely on powered by direct current to carry out work, as utilized civil power to power or charge, needs first by power supply adaptor, civil power to be transformed into suitable direct current, then accesses in described portable electric appts.
Power supply adaptor is normally separated with portable electric appts, it is not arranged in portable electric appts, therefore, described portable electric appts is typically provided with the socket connector of DC power supply, the output of power supply adaptor then arranges the pin connector of coupling, when described portable electric appts needs to connect power supply, power supply adaptor is inputted termination civil power, output inserts the socket connector of described portable electric appts.
Existing Direct current power source socket connector forms primarily of insulating base, positive contact part and cathode contact part, insulating base is provided with the supply hub for the pin connector grafting coordinated with described socket connector, positive contact part and cathode contact part are all fixed in insulating base, and part stretches in supply hub respectively.Figure 1 shows that the decomposing schematic representation of pin connector, pin connector 6 comprises the insulator 61 of column, cathode output end 62 and cathode output end 63, for safety, cathode output end 63 is arranged on described insulator 61 outer surface usually, cathode output end 62 is the elastic clip of a conduction, in insulator 61 described in its embed wholly, insulator 61 offers positive contact hole 611.The contact position of the cathode output end 62 of described positive contact part and pin connector 6 is closer to the aperture of described supply hub, so when pin connector 6 inserts described supply hub, the cathode output end 62 of the first contact plug connector 6 of described positive contact part, the cathode output end 63 of contact plug connector 6 after described cathode contact part.Described cathode contact part touches the rear current supply circuit just conducting of cathode output end 63 of pin connector 6, cathode output end 63 moment of pin connector 6 is touched at the described cathode contact part of described socket connector, both also do not contact completely, therefore impedance is larger, now current supply circuit conducting, can surge current be produced, and then easily produce electric spark at both contact positions.Because the cathode output end 63 of pin connector 6 is positioned at its outer surface, above-mentioned electric spark can be scurried out from the gap between the hole wall of the described supply hub of described socket connector and the outer surface of pin connector 6.
Summary of the invention
In view of this, the invention provides a kind of Direct current power source socket connector, when pin connector inserts, even if produce electric spark, electric spark can not be scurried out.
For achieving the above object, the invention provides following technical scheme.
Direct current power source socket connector, comprise insulating base, positive contact part, cathode contact part and the pre-terminated contact element be electrically connected with described cathode contact part, described insulating base is provided with the supply hub for extraneous pin connector grafting, described positive contact part and cathode contact part are all fixed with described insulating base, and after described pin connector inserts described supply hub, contact cathode output end and the cathode output end of described pin connector respectively, described pre-terminated contact element is fixed with described insulating base and is contacted the cathode output end of described pin connector when described pin connector inserts described supply hub, the pre-contact portion that described pre-terminated contact element contacts when having the cathode output end grafting with described pin connector, the positive contact portion that described positive contact part contacts when having the cathode output end grafting with described pin connector, described pre-contact portion is less to the distance in the aperture of described supply hub than described positive contact portion to the distance in the aperture of described supply hub.
Set up described pre-terminated contact element, it is electrically connected with described cathode contact part, and its pre-contact portion contacting the cathode output end of described pin connector than the positive contact portion of the cathode output end of the described pin connector of contact of described positive contact part closer to the aperture of described supply hub, therefore insert at described pin connector in the process of described socket connector, described pre-terminated contact element contacts the cathode output end of described pin connector front, described positive contact part contacts the cathode output end of described pin connector rear, described positive contact part contacts current supply circuit just conducting after the cathode output end of described pin connector, because now described pre-terminated contact element contacts completely with described cathode output end, and described cathode contact part is electrically connected with described pre-terminated contact element, just be equivalent to described cathode contact part contact completely with described cathode output end, but described positive contact part is owing to just contacting with described cathode output end, both also do not contact completely, impedance is larger, even if now produce electric spark, also be produce at the contact position of described positive contact part and cathode output end, because the contact position of described positive contact part and described cathode output end is positioned at pin connector inside, so described electric spark can not be scurried out.
Preferably, also comprise the detecting part whether being inserted into described pin connector for detecting described supply hub, described cathode contact part elasticity abuts described detecting part, and departs from described detecting part under the extruding of described pin connector of inserting described supply hub.Described pin connector extrudes described cathode contact part, mean that now described pin connector has inserted the darker position of described supply hub, described cathode output end will touch described cathode contact part, as mentioned above, now described positive contact part with the contacting completely of described cathode output end, cathode contact part also achieves the less electrical connection of impedance by described pre-terminated contact element and described cathode output end.Described cathode contact part departs from described detecting part under the extruding of described pin connector, thus a signal can be sent to described portable electric appts, the power circuit of its inside can be started, with conducting current supply circuit after described portable electric appts is subject to this signal.Owing to having set up detecting part, just allow current supply circuit conducting all completely after conducting at the both positive and negative polarity of described socket connector and pin connector, completely avoid described pin connector and insert the phenomenon producing electric spark in described socket connector process.
Preferably, described positive contact part, cathode contact part and detecting part are respectively equipped with for positive pole leg, the negative pole leg of welding circuit board with detect leg, described positive pole leg, negative pole leg and to detect leg be angular distribution.So, described socket connector is welded to after on circuit board more firm by described three legs in angular distribution.
Preferably, described cathode contact part is bent to form fixed part and elastic portion, and described elastic portion is relative with fixed part, and is bent to form the cathode contact portion of the cathode output end for contacting described pin connector of protrusion.
Preferably, described pre-terminated contact element and described cathode contact part one-body molded, described pre-terminated contact element is positioned at described cathode contact part side and is connected with described fixed part.Can simplified structure, ease of assembly, thus reduce costs, enhance productivity.
Preferably, described socket connector also comprises the detecting part whether being inserted into described pin connector for detecting described supply hub, the free end of described elastic portion abuts described detecting part, and departs from described detecting part under the extruding of described pin connector of inserting described supply hub.Elastic deformation can be there is by its extruding in described cathode contact part when contacting described pin connector, the free end of described detecting part with the elastic portion of described cathode contact part is abutted, when described cathode contact part occurs elastically-deformable, described detecting part and described cathode contact part depart from, thus a signal can be produced, detect that described pin connector inserts described socket connector accordingly, elastically-deformable contact can be there is coordinate the insertion realizing described pin connector to detect with described detecting part by described pin connector extruding without the need to arranging one more in addition, simplify the structure.
Preferably, described insulating base comprises pedestal and lid, described supply hub is located at described pedestal, the aperture of described supply hub is positioned at the front end of described pedestal, multiple location notch is provided with in described pedestal, described cathode contact part and pre-terminated contact element embed described location notch respectively, and described lid is covered on the rear end of described pedestal with fixing described cathode contact part and pre-terminated contact element.
Preferably, described pedestal rear end and lid are equipped with location hole, described positive contact part is provided with two fixture blocks, described positive contact part passes the location hole of described pedestal and lid, described two fixture blocks block the rear end of the front end of the location hole of described pedestal and the location hole of described lid respectively, so that described positive contact part is fixed on described insulating base, and described lid and described pedestal are fixed.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of pin connector;
Fig. 2 is the structural representation of Direct current power source socket connector of the present invention;
Fig. 3 is the decomposition texture schematic diagram of the insulating base of Direct current power source socket connector of the present invention;
Fig. 4 is the decomposition texture schematic diagram of Direct current power source socket connector of the present invention;
Fig. 5 is the cathode contact part of Direct current power source socket connector of the present invention and the structural representation of pre-terminated contact element;
Fig. 6 is the structural representation at another visual angle of Direct current power source socket connector of the present invention;
Fig. 7 is the position view in aperture of the pre-contact portion of Direct current power source socket connector of the present invention, positive contact portion and supply hub.
Reference numeral comprises:
Insulating base 1, pedestal 11, supply hub 111, aperture 1111, location notch 112, location hole 113, lid 12, location hole 121;
Positive contact part 2, fixture block 21,22, positive pole leg 23, positive contact portion 24;
Cathode contact part 3, fixed part 31, elastic portion 32, cathode contact portion 321, negative pole leg 33;
Pre-terminated contact element 4, pre-contact portion 41;
Detecting part 5, detecting leg 51;
Pin connector 6, insulator 61, positive contact hole 611, cathode output end 62, cathode output end 63.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated.
Composition graphs 1-7, Direct current power source socket connector of the present invention comprises insulating base 1, positive contact part 2, cathode contact part 3 and the pre-terminated contact element 4 be electrically connected with cathode contact part 3, insulating base 1 is provided with the supply hub 111 for pin connector 6 grafting coordinated with socket connector, positive contact part 2 and cathode contact part 3 are all fixed with insulating base 1, and contact with cathode output end 63 with the cathode output end 62 of pin connector 6 respectively when pin connector 6 inserts supply hub 111, pre-terminated contact element 4 is fixed with insulating base 1, and when pin connector 6 inserts supply hub 111 cathode output end 63 of contact plug connector 6, the pre-contact portion 41 that pre-terminated contact element 4 contacts when having cathode output end 63 grafting with pin connector 6, the positive contact portion 24 that positive contact part 2 contacts when having cathode output end 62 grafting with pin connector 6, pre-contact portion 41 is less to the distance B in the aperture 1111 of supply hub 111 than positive contact portion 24 to the distance A in the aperture 1111 of supply hub 111.Set up pre-terminated contact element 4, it is electrically connected with cathode contact part 3, and the pre-contact portion 41 of the cathode output end 63 of its contact plug connector 6 than the positive contact portion 24 of the cathode output end 62 of the contact plug connector 6 of positive contact part 2 closer to the aperture of supply hub 111, therefore insert in the process of socket connector at pin connector 6, the cathode output end 63 of pre-terminated contact element 4 contact plug connector 6 is front, the cathode output end 62 of positive contact part 2 contact plug connector 6 is rear, current supply circuit just conducting after the cathode output end 62 of positive contact part 2 contact plug connector 6, because now pre-terminated contact element 4 contacts completely with cathode output end 63, and cathode contact part 3 is electrically connected with pre-terminated contact element 4, just be equivalent to cathode contact part 3 contact completely with cathode output end 63, but positive contact part 2 is owing to just contacting with cathode output end 62, both also do not contact completely, impedance is larger, even if now produce electric spark, also be produce at the contact position of positive contact part 2 and cathode output end 62, because it is inner that positive contact part 2 and the contact position of cathode output end 62 are positioned at pin connector 6, so electric spark can not be scurried out.
As shown in Figure 5, cathode contact part 3 upwards bends, thus form fixed part 31 and elastic portion 32, fixed part 31 is relative with elastic portion 32, elastic portion 32 is bent to form cathode contact portion 321 protruding upward, cathode contact portion 321 protrudes and stretches in supply hub 111, to contact its cathode output end 63 when pin connector 6 inserts supply hub 111, can there is elastic deformation when extruding by pin connector 6 in elastic portion 32, with the contact dynamics between the cathode output end 63 ensureing cathode contact portion 321 and pin connector 6.Fixed part 31 part bends downwards, forms negative pole leg 33.Pre-terminated contact element 4 is one-body molded with cathode contact part 3, it is positioned at the side of cathode contact part 3 and is connected with fixed part 31, the end of pre-terminated contact element 4 is bent to form the pre-contact portion 41 of protrusion, also can there is elastic deformation when the extruding by pin connector 6 in pre-terminated contact element 4, thus ensure the contact dynamics of the cathode output end 63 of pre-contact portion 41 and pin connector 6.
As shown in Figure 3, insulating base 1 is primarily of pedestal 11 and lid 12 two parts composition, composition graphs 2, pedestal 11 is provided with supply hub 111, the aperture of supply hub 111 is positioned at the front end of pedestal 11, is provided with multiple location notch 112 in pedestal 11, and cathode contact part 3 and pre-terminated contact element 4 embed in corresponding location notch 112 respectively, lid 12 covers in pedestal 11 rear end, and therefore cathode contact part 3 and pre-terminated contact element 4 are fixed.As shown in Figure 4, pedestal 11 rear end and lid 12 are respectively equipped with location hole 113 and 121, composition graphs 2, positive contact part 2 also partly stretches in supply hub 111 through the location hole 113 of pedestal 11 and lid 12, positive contact part 2 is provided with two fixture blocks 21 and 22, fixture block 21 and 22 blocks the rear end of the front end of the location hole 113 of pedestal 11 and the location hole 121 of lid 12 respectively, therefore positive contact part 2 is fixed, by means of positive contact part 2, lid 12 and pedestal 11 are also fixed simultaneously, and without the need to separately establishing fixture to fix lid 12 and pedestal 11, kill two birds with one stone, simplify the structure, cost-saving.
Further, as shown in Figure 4, Direct current power source socket connector of the present invention also comprises detecting part 5, composition graphs 3, and detecting part 5 is partially submerged in the location notch 112 of pedestal 11, and lid 12 covers behind pedestal 11 rear end, and detecting part 5 is fixed.The effect of detecting part 5 is whether test plug connector 6 inserts socket connector of the present invention, the free end elasticity of the elastic portion 32 of cathode contact part 3 abuts detecting part 5, after pin connector 6 inserts socket connector of the present invention, the elastic portion 32 of its extruding cathode contact part 3, there is elastic deformation and depart from detecting part 5 in elastic portion 32, detecting part 5 can send a signal accordingly to the electronic equipment at socket connector place of the present invention, this electronic equipment just power circuit that can control in it makes it start, current supply circuit is able to conducting accordingly, external power source by pin connector 6 and socket connector of the present invention to this power electronic equipment.Pin connector 6 extrudes cathode contact part 3, mean that now pin connector 6 has inserted the darker position of supply hub 111, cathode output end 63 will touch cathode contact part 3, as mentioned above, now positive contact part 2 with the contacting completely of the cathode output end 62 of pin connector 6, cathode contact part 3 also achieves the less electrical connection of impedance, now conducting current supply circuit by pre-terminated contact element 4 and cathode output end 63, can avoid the generation of electric spark completely.
As Figure 4-Figure 6, positive contact part 2 is provided with positive pole leg 23, positive pole leg 23 is blocked by fixture block 22 and is fixed, cathode contact part 3 is provided with negative pole leg 33, detecting part 5 is provided with detecting leg 51, and as shown in Figure 6, positive pole leg 23, negative pole leg 33 and detecting leg 51 are in angular distribution, socket connector of the present invention is by above-mentioned three legs and welding circuit board, and these three legs are that socket connector of the present invention can be allowed to be welded to after on circuit board is more firm for angular distribution.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (8)
1. Direct current power source socket connector, comprise insulating base, positive contact part and cathode contact part, described insulating base is provided with the supply hub for extraneous pin connector grafting, described positive contact part and cathode contact part are all fixed with described insulating base, and after described pin connector inserts described supply hub, contact cathode output end and the cathode output end of described pin connector respectively, it is characterized in that, also comprise the pre-terminated contact element be electrically connected with described cathode contact part, described pre-terminated contact element is fixed with described insulating base and is contacted the cathode output end of described pin connector when described pin connector inserts described supply hub, the pre-contact portion that described pre-terminated contact element contacts when having the cathode output end grafting with described pin connector, the positive contact portion that described positive contact part contacts when having the cathode output end grafting with described pin connector, described pre-contact portion is less to the distance in the aperture of described supply hub than described positive contact portion to the distance in the aperture of described supply hub.
2. Direct current power source socket connector according to claim 1, it is characterized in that, also comprise the detecting part whether being inserted into described pin connector for detecting described supply hub, described cathode contact part elasticity abuts described detecting part, and departs from described detecting part under the extruding of described pin connector of inserting described supply hub.
3. Direct current power source socket connector according to claim 2, it is characterized in that, described positive contact part, cathode contact part and detecting part are respectively equipped with for positive pole leg, the negative pole leg of welding circuit board with detect leg, described positive pole leg, negative pole leg and to detect leg be angular distribution.
4. Direct current power source socket connector according to claim 1, it is characterized in that, described cathode contact part is bent to form fixed part and elastic portion, and described elastic portion is relative with fixed part, and is bent to form the cathode contact portion of the cathode output end for contacting described pin connector of protrusion.
5. Direct current power source socket connector according to claim 4, is characterized in that, described pre-terminated contact element and described cathode contact part one-body molded, described pre-terminated contact element is positioned at described cathode contact part side and is connected with described fixed part.
6. Direct current power source socket connector according to claim 4, it is characterized in that, described socket connector also comprises the detecting part whether being inserted into described pin connector for detecting described supply hub, the free end of described elastic portion abuts described detecting part, and departs from described detecting part under the extruding of described pin connector of inserting described supply hub.
7. Direct current power source socket connector according to claim 1, it is characterized in that, described insulating base comprises pedestal and lid, described supply hub is located at described pedestal, the aperture of described supply hub is positioned at the front end of described pedestal, be provided with multiple location notch in described pedestal, described cathode contact part and pre-terminated contact element embed described location notch respectively, and described lid is covered on the rear end of described pedestal with fixing described cathode contact part and pre-terminated contact element.
8. Direct current power source socket connector according to claim 7, it is characterized in that, described pedestal rear end and lid are equipped with location hole, described positive contact part is provided with two fixture blocks, described positive contact part passes the location hole of described pedestal and lid, described two fixture blocks block the rear end of the front end of the location hole of described pedestal and the location hole of described lid respectively, so that described positive contact part is fixed on described insulating base, and described lid and described pedestal are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780331.6A CN105261859A (en) | 2015-11-16 | 2015-11-16 | DC power supply socket connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780331.6A CN105261859A (en) | 2015-11-16 | 2015-11-16 | DC power supply socket connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105261859A true CN105261859A (en) | 2016-01-20 |
Family
ID=55101424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510780331.6A Pending CN105261859A (en) | 2015-11-16 | 2015-11-16 | DC power supply socket connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105261859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586121A (en) * | 2017-09-29 | 2019-04-05 | 松下知识产权经营株式会社 | Plug device and distribution system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570640U (en) * | 2009-09-25 | 2010-09-01 | 信音电子（苏州）有限公司 | Power connector |
| CN202373733U (en) * | 2011-12-29 | 2012-08-08 | 东莞市深盛宇电子有限公司 | Socket of direct current power supply |
| CN202534813U (en) * | 2011-12-01 | 2012-11-14 | 信音电子(中国)股份有限公司 | Direct-current power connector |
| CN205248487U (en) * | 2015-11-16 | 2016-05-18 | 深圳市精和新科技有限公司 | DC power supply socket connector |
-
2015
- 2015-11-16 CN CN201510780331.6A patent/CN105261859A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570640U (en) * | 2009-09-25 | 2010-09-01 | 信音电子（苏州）有限公司 | Power connector |
| CN202534813U (en) * | 2011-12-01 | 2012-11-14 | 信音电子(中国)股份有限公司 | Direct-current power connector |
| CN202373733U (en) * | 2011-12-29 | 2012-08-08 | 东莞市深盛宇电子有限公司 | Socket of direct current power supply |
| CN205248487U (en) * | 2015-11-16 | 2016-05-18 | 深圳市精和新科技有限公司 | DC power supply socket connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586121A (en) * | 2017-09-29 | 2019-04-05 | 松下知识产权经营株式会社 | Plug device and distribution system |
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Application publication date: 20160120 |
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| RJ01 | Rejection of invention patent application after publication |