CN103794912A - Socket - Google Patents
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- CN103794912A CN103794912A CN201210430584.7A CN201210430584A CN103794912A CN 103794912 A CN103794912 A CN 103794912A CN 201210430584 A CN201210430584 A CN 201210430584A CN 103794912 A CN103794912 A CN 103794912A
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Abstract
The invention provides a socket which helps to solve the problem that a contact piece of a conventional socket is in poor contact with a plug, temperature rise is high, clamping force is unstable, insertion and extraction force are big and not stable, wear extent of the contact piece is large and the contact piece is easy to deform, and thus the socket stability is influenced. The socket comprises a box body, contact pieces, surface contact springs and a limitation mechanism. Each surface contact spring comprises a contact surface contacted with the outer side surface of the contact piece, an upper deformation surface connected with the upper end of the contact surface, and a lower deformation surface connected with the lower end of the contact surface. The free end of the upper deformation surface is in turning-back bending away from the contact piece; the free end of the lower deformation surface is in turning-back bending away from the contact piece; the upper deformation surface, the contact surface and the lower deformation surface are in integrated structure; and the upper deformation surface and the lower deformation surface are respectively in contact with the limitation mechanism. Therefore, the line contact is changed in to surface contact, and spiral line springs are replaced by the surface contact springs; pressure is uniformly distributed on the contact wall; the acting force of the surface contact springs on the contact pieces is allowed to be uniformly distributed, and the deformation of the contact pieces is avoided.
Description
Technical field
The present invention relates to a kind of socket, be specifically related to a kind of socket that can contact with plug face.
Background technology
The contact of connected structure the earliest, is all the U-shaped structure that the tool of employing material springy own is made, and its lower end is fixed, and reaches and the object of plug close contact by the elasticity of material self; Structure as shown in Figure 1.In the time that plug inserts, require the contact of connected structure there is conductivity and can produce certain chucking power, therefore contact can only be selected the special copper materials such as phosphor-copper.But the tools such as phosphorus, Molybdenum copper springy or alloy material have significant limitation as contact, its elastic force is unstable, and conductive resistance is bigger than normal, and material cost is higher.This structure is actually line contact or some contact, directly causes lumped resistance or shrinks that resistance is large, contact resistance is large, makes current flowing ability little, easily heating.In addition, the copper contact blade of this conventional electrical outlet, used after a period of time, its self elasticity can reduce, cause the clamping part of contact loosening, make plug and connected structure loose contact, and further reduction of contact performance between attaching plug, the resistance of contact position can further strengthen, its fever phenomenon can be more serious, thereby can cause socket insulating material aging, can shorten the useful life of socket, reduce the fail safe of electricity consumption, affect result of use.Finally embody, chucking power and electric conductivity are all bad.
Someone adopts structure as shown in Figure 2, for the clamping part that solves contact becomes flexible and the little problem of contact-making surface, design makes contact self not have chucking power, make contact clamp plug thereby utilize helix spring to produce pressure to contact, but this structure appoint and so have defect, due to long plug, helix spring is sub-fraction to the elastic force application point of contact, easily cause two Leading Edge Deformations of contact, and then make face contact become line contact, affect negotiability; Meanwhile, helix spring also has poor radiation, pressure concentration, inhomogeneous shortcoming.Because contact adopts the restriction (socket will adapt to the plug that different manufacturers, thin and thick differ) of lower fixing and processing technology, make plug and contact be difficult to accomplish to coordinate completely, be that plug and contact are not parallel, have certain angle, line contact is not often also realized, become 2 contacts, affect negotiability, in the time that power supply passes through, will increase the resistance of circuit, make attaching plug and socket heating, even can produce electric spark or be burnt.User, in the middle of reality is used, plugs unstablely, and movement range is large, and existing product anti-overload ability is poor, also easily causes existing product to damage too early.
Therefore, obviously there is loose contact, affect negotiability in existing product, temperature rise, chucking power is unstable, contact engaging and separating force is large and unstable, plug wear extent is large, damage (can not be selected the material of overlay coating greatly, what use now is solid material, cost is high), and the production technology of this structure is high, easily produce site error.
Summary of the invention
The object of the invention is to: a kind of socket is provided, has solved the contact of existing socket and plug loose contact, temperature rise, chucking power is unstable, contact engaging and separating force is large and unstable, and contact wear extent is large, yielding, affects the problem of socket stability.
Technical solution of the present invention is:
A kind of socket, comprise box body and contact, on box body, be provided with jack, in each jack, correspondence is provided with two contacts, its special character is: also comprise face contact spring and position-limit mechanism, between at least one contact and position-limit mechanism, be provided with face contact spring, described contact spring comprises the contact-making surface contacting with the lateral surface of contact, the upper deformation plance being connected with the upper end of contact-making surface, the lower deformation plance being connected with the lower end of contact-making surface, the contact bending of turning back dorsad of the free end of described upper deformation plance, the contact bending of turning back dorsad of the free end of described lower deformation plance, described upper deformation plance, contact-making surface and lower deformation plance are integrative-structures, upper deformation plance, lower deformation plance contacts with position-limit mechanism respectively.
The free end of upper deformation plance is bent downwardly, and the free end of described lower deformation plance is bent upwards, and the free end of described upper deformation plance does not contact mutually and do not contact with contact-making surface with the free end of lower deformation plance.Two deformation plances projection sum and contact-making surface length ratio on contact-making surface is less than 2/3.
The free end of upper deformation plance all contacts with contact-making surface to contact-making surface is bending with the free end of lower deformation plance.Two deformation plances projection sum on contact-making surface is slightly less than contact-making surface length.
The free end of upper deformation plance is bent downwardly, and the free end of described lower deformation plance is bent upwards, and the free end of described two deformation plances overlaps each other.
Position-limit mechanism comprises fixed cover, and described fixed cover is fixed on inboard wall of cartridge, and described contact and face contact spring are positioned at fixed cover, and face contact spring is between contact and fixed cover.
The lower end of two contacts connects by connecting portion, and connecting portion is connected with wire, and connecting portion is flexibly connected with box body.
The lower end of two contacts connects by connecting portion after stretching out the lower limb of fixed cover.
The width of connecting portion is greater than the width of fixed cover.
The invention has the advantages that:
(1) helix spring is replaced with to face contact spring, the contact wall of face contact spring is parallel with contact, face contact spring is contacted with contact face, contact area is large, and the two ends of face contact spring dorsad contact are bent to form elastic wall, when plug inserts the space in the middle of contact, the elastic wall of position-limit mechanism opposite contact spring produces pressure, pressure is evenly distributed on contact wall, and face contact spring is evenly distributed the active force of contact, has avoided the distortion of contact.
(2) contact is flexibly connected with box body, and in the time that the socket of plug and socket does not match, contact can do adaptive deflection with plug, can not affect contact-making surface.Therefore this structure is applicable to the plug of various small angle error.
(3) material of contact can be selected the copper of conductive resistance minimum or select the material of overlay coating, has material soft, and inelastic advantage, greatly reduces cost.
(4) lower end of contact connects as one, and can meet the distortion of 1-2mm, has reduced once welding, has improved the reliability of contact, and solder joint has also reduced contact resistance when minimizing.
(5) increased the fixed cover that high temperature resistant, non-friable metal material is made, made its fire protecting performance good, thermal diffusivity is good, resistance to falling.
Accompanying drawing explanation
Fig. 1 is the structure of contact in prior art;
Fig. 2 is the improvement structure of existing socket;
Fig. 3 is embodiments of the invention 1 structure charts;
Fig. 4 is embodiments of the invention 2 structure charts;
Fig. 5 is embodiments of the invention 3 structure charts;
Fig. 6 is embodiments of the invention 4 structure charts;
Fig. 7 is the front view of C shape face contact spring;
Fig. 8 is the front view of B shape face contact spring;
Fig. 9 is the front view of D shape face contact spring;
Figure 10 be waveform deformation plance front view;
Figure 11 is the result figure that existing socket carries out contact engaging and separating force test;
Figure 12 is the result figure that the present invention carries out contact engaging and separating force test.
Wherein: 1-plug; 2-contact; 3-face contact spring; 4-position-limit mechanism; 5-connecting portion; 6-box body; 7-spring; 8-deformation plance; 9-contact-making surface.
Embodiment
A kind of socket that is applicable to platypelloid type plug 1, comprise box body 6 and pancake contact 2 with jack, in each jack, correspondence is provided with two contacts 2, in two contacts 2, between at least one contact 2 and box body 6, be provided with face contact spring 3, preferably structure is to be provided with face contact spring 3 between two contacts 2 and box body 6.
Described socket also comprises the position-limit mechanism 4 that is fixed on box body 6 inwalls, described position-limit mechanism 4 by spacing the elastic wall of face contact spring 3 live, prevent that face contact spring 3 and contact 2 from misplacing.Face contact spring 3 can be selected the temperature independent material of elasticity.
As shown in Figure 7, deformation plance 8 is deformation plances 8 of arcuation, the free end of upper deformation plance 8 is bent downwardly, the free end of described lower deformation plance 8 is bent upwards, the free end of described upper deformation plance 8 does not contact mutually and does not contact with contact-making surface 9 with the free end of lower deformation plance 8, and face contact spring 3 cross sections are " C " shape.Two deformation plances 8 projection sum and contact-making surface 9 length ratios on contact-making surface 9 are less than 2/3.
As shown in Figure 8, deformation plance 8 is semicircular deformation plances 8, and contact-making surface 9 and deformation plance 8 form B shape face contact spring 3.The free end of upper deformation plance 8 all contacts with contact-making surface 9 to contact-making surface 9 is bending with the free end of lower deformation plance 8.Two deformation plances 8 projection sum on contact-making surface 9 is slightly less than contact-making surface 9 length.The free end of deformation plance 8 can contact with contact-making surface 9, produces secondary pressure at the middle part of contact-making surface 9, and pressure is distributed more uniformly.In the time of compressing deformation plance 8, can there is micro-displacement along contact-making surface 9 in the free end of the free end of left deformation plance 8 and right deformation plance 8, therefore the free end of deformation plance 8 can be designed to comparatively round and smooth structure, to reduce friction.
As shown in Figure 9, the free end of upper deformation plance 8 is bent downwardly, and the free end of described lower deformation plance 8 is bent upwards, and the free end of described two deformation plances 8 overlaps each other, and two deformation plances 8 can contact with each other, and also can not contact.Contact-making surface 9 and deformation plance 8 form D shape face contact spring 3.
As shown in figure 10, deformation plance 8 is that 8, two deformation plances 8 of two wavy deformation plances can contact with each other, and also can not contact, and contact-making surface 9 and deformation plance 8 form waveform face contact spring 3.
Position-limit mechanism 4 comprises fixed cover, and described fixed cover is fixed on box body 6 inwalls, and described contact 2 and face contact spring 3 are positioned at fixed cover, and face contact spring 3 is between contact 2 and fixed cover.The cross section of fixed cover is rectangle or is square.Position-limit mechanism 4 can be also two and be fixed on being on box body 6 that " fixed head of [" shape, the deformation plance 8 of face contact spring 3 is positioned at the breach of fixed head.For easy to assembly, box body 6 comprises upper cartridge body 6 and lower box body 6, and position-limit mechanism 4 is fixed on upper cartridge body 6 or lower box body 6 all can.The material of position-limit mechanism 4 is electrically non-conductive material.For example, bakelite or pottery etc.In the time being applied in powerful occasion, also can adopt high temperature resistant, non-friable metal material, make its fire protecting performance good, thermal diffusivity is good, resistance to falling.
The material of contact 2 can be selected the fine copper of conductive resistance minimum, and fine copper material is soft, nonelastic, greatly reduces cost; Also phosphor-copper contact 2 or molybdenum copper contact blade 2 can be selected, the material of overlay coating can also be selected.The free end of two contacts 2 forms plug 1 entrance of " V " shape, is convenient to plug 1 and inserts.
Embodiment is just like Fig. 3: two contacts 2 are directly fixed with lower box body 6.
Embodiment bis-is as Fig. 4: the lower end of two contacts 2 extends downward again lower box body 6 bottoms and extends to the inside and the crossing formation connecting portion 5 of another contact 2 again after extending laterally respectively.Fixed cover only entangles the deformation plance 8 of C shape face contact spring 3, and fixed cover is fixed on upper cartridge body 6.
Fixed cover also can by the connecting portion of contact 25 in the lump spacing live, prevent that C shape face contact spring 3 from misplacing.
Embodiment tri-is as Fig. 5: the lower end of two contacts 2 extends downward again box body 6 bottoms and extends to the inside to intersect again and form connecting portion 5 after extending laterally respectively.The lower end of two contacts 2 connects by connecting portion 5 after stretching out the lower limb of fixed cover.The width of connecting portion 5 is greater than the width of fixed cover.Fixed cover only entangles the deformation plance 8 of C shape face contact spring 3, and fixed cover is fixed on upper cartridge body 6.
Embodiment tetra-is as Fig. 6: the shape of connecting portion 5 is identical with embodiment tri-, and fixed cover is fixed on lower box body 6, and by common spacing to C shape face contact spring 3 and connecting plate live.
Adopt structure of the present invention, greatly improved the plug ability of socket, refer to Fig. 7,8.In Fig. 7, existing socket is carried out to the test of standard contact engaging and separating force, test 10000 times, loading value is 0.2, and contact engaging and separating force changes fast, and it is difficult slotting that user feels, easily pulls out, and user feels easily to come off; In Fig. 8, socket of the present invention is carried out to contact engaging and separating force test, test 50000 times, loading value is 0.9, and contact engaging and separating force changes evenly, strengthens gradually or dwindles, and user feels to contact effective, excellent performance.
The product major part of manufacturer all authenticates by 3c, 5000 times contact engaging and separating force is stable, the experiment that Zhe Shi manufacturer makes of plug machine, user is in the middle of reality is used, plug stability is not as plug machine, so find that the result that even contact engaging and separating force is zero appears that contact engaging and separating force obviously declines, in insert row, socket very soon that buy.Therefore, the present invention goes back the non-standard plug of analog subscriber or switch contrasts with existing product, and non-standard plug refers to that contact 2 has 10% error or 10 degree rotations up and down, existing connected structure 5000 times, and Fig. 7 dwindles 50%-80%; Connected structure of the present invention 5000 times, Fig. 8 is unchanged.Further prove its contact engaging and separating force excellent performance.
When use, the contact wall of face contact spring 3 is parallel with contact 2 and contact with each other, 2 of face contact spring 3 and contacts are contacted, contact-making surface 9 is long-pending large, and the two ends of face contact spring 3 dorsad contact 2 are bent to form elastic wall, when plug 1 inserts the space in the middle of contact 2, the elastic wall of position-limit mechanism 4 opposite contact springs 3 produces pressure, pressure is evenly distributed on contact wall, and face contact spring 3 is evenly distributed the active force of contact 2, has avoided the distortion of contact 2.Contact 2 is flexibly connected with box body 6, and in the time that low-angle biasing occurs plug 1, contact 2 also can do adaptive deflection with plug 1, can not affect contact-making surface 9.Therefore this structure is applicable to the plug 1 of various low-angles biasing, has solved the problem of plug 1 that technological factor causes and socket loose contact.
With the contact resistance contrast of existing product, existing splicing ear resistance 0.745m Ω, splicing ear resistance 0.549 m Ω of the present invention.
This structure is applicable to platypelloid type plug 1, has contact-making surface 9 long-pending large, contact effective, the advantage such as contact engaging and separating force is strong.
Claims (10)
1. a socket, comprise box body and contact, on box body, be provided with jack, in each jack, correspondence is provided with two contacts, it is characterized in that: also comprise face contact spring and position-limit mechanism, described contact spring comprises the contact-making surface contacting with the lateral surface of contact, the upper deformation plance being connected with the upper end of contact-making surface, the lower deformation plance being connected with the lower end of contact-making surface, the contact bending of turning back dorsad of the free end of described upper deformation plance, the contact bending of turning back dorsad of the free end of described lower deformation plance, described upper deformation plance, contact-making surface and lower deformation plance are integrative-structures, upper deformation plance, lower deformation plance contacts with position-limit mechanism respectively, between at least one contact and position-limit mechanism, be provided with face contact spring.
2. socket according to claim 1, it is characterized in that: the free end of described upper deformation plance is bent downwardly, the free end of described lower deformation plance is bent upwards, and the free end of described upper deformation plance does not contact mutually and do not contact with contact-making surface with the free end of lower deformation plance.
3. socket according to claim 2, is characterized in that: two deformation plances projection sum and contact-making surface length ratio on contact-making surface is less than 2/3.
4. socket according to claim 1, is characterized in that: the free end of described upper deformation plance all contacts with contact-making surface to contact-making surface is bending with the free end of lower deformation plance.
5. socket according to claim 4, is characterized in that: the projection sum of described two deformation plances on contact-making surface is slightly less than contact-making surface length.
6. socket according to claim 1, is characterized in that: the free end of described upper deformation plance is bent downwardly, and the free end of described lower deformation plance is bent upwards, and the free end of described two deformation plances overlaps each other.
7. according to the arbitrary described socket of claim 1-6, it is characterized in that: described position-limit mechanism comprises fixed cover, described fixed cover is fixed on inboard wall of cartridge, and described contact and face contact spring are positioned at fixed cover, and face contact spring is between contact and fixed cover.
8. according to the arbitrary described socket of claim 1-6, it is characterized in that: the lower end of described two contacts connects by connecting portion, connecting portion is connected with wire, and connecting portion is flexibly connected with box body.
9. socket according to claim 8, is characterized in that: the lower end of described two contacts connects by connecting portion after stretching out the lower limb of fixed cover.
10. socket according to claim 9, is characterized in that: the width of described connecting portion is greater than the width of fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210430584.7A CN103794912B (en) | 2012-10-31 | 2012-10-31 | A kind of socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210430584.7A CN103794912B (en) | 2012-10-31 | 2012-10-31 | A kind of socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103794912A true CN103794912A (en) | 2014-05-14 |
| CN103794912B CN103794912B (en) | 2017-12-22 |
Family
ID=50670372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210430584.7A Active CN103794912B (en) | 2012-10-31 | 2012-10-31 | A kind of socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103794912B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319517A (en) * | 2014-11-24 | 2015-01-28 | 北京维森科技有限公司 | Electric connection plug bush structure and electric connection device |
| KR102005174B1 (en) * | 2018-01-24 | 2019-07-29 | 동의대학교 산학협력단 | safety concentic plug |
| CN114243391A (en) * | 2020-09-08 | 2022-03-25 | 台达电子工业股份有限公司 | Power supply device and conductive elastic sheet thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198026A (en) * | 1997-04-25 | 1998-11-04 | 姚宪成 | Socket |
| CN2402017Y (en) * | 2000-01-01 | 2000-10-18 | 何忠孝 | Strong elastic force safety power source socket |
| US20040040733A1 (en) * | 2002-09-04 | 2004-03-04 | Eriko Yuasa | Electrical conductor assembly |
| CN201294284Y (en) * | 2008-09-04 | 2009-08-19 | 薛峰 | Power socket |
| CN201533040U (en) * | 2009-09-23 | 2010-07-21 | 河南省电力公司商丘供电公司 | Power supply socket |
| CN202977809U (en) * | 2012-10-31 | 2013-06-05 | 西安蓝钻电子科技有限公司 | Socket |
-
2012
- 2012-10-31 CN CN201210430584.7A patent/CN103794912B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198026A (en) * | 1997-04-25 | 1998-11-04 | 姚宪成 | Socket |
| CN2402017Y (en) * | 2000-01-01 | 2000-10-18 | 何忠孝 | Strong elastic force safety power source socket |
| US20040040733A1 (en) * | 2002-09-04 | 2004-03-04 | Eriko Yuasa | Electrical conductor assembly |
| CN201294284Y (en) * | 2008-09-04 | 2009-08-19 | 薛峰 | Power socket |
| CN201533040U (en) * | 2009-09-23 | 2010-07-21 | 河南省电力公司商丘供电公司 | Power supply socket |
| CN202977809U (en) * | 2012-10-31 | 2013-06-05 | 西安蓝钻电子科技有限公司 | Socket |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319517A (en) * | 2014-11-24 | 2015-01-28 | 北京维森科技有限公司 | Electric connection plug bush structure and electric connection device |
| KR102005174B1 (en) * | 2018-01-24 | 2019-07-29 | 동의대학교 산학협력단 | safety concentic plug |
| CN114243391A (en) * | 2020-09-08 | 2022-03-25 | 台达电子工业股份有限公司 | Power supply device and conductive elastic sheet thereof |
| CN114243391B (en) * | 2020-09-08 | 2024-04-02 | 台达电子工业股份有限公司 | Power supply device and conductive spring piece thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103794912B (en) | 2017-12-22 |
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