CN202444082U - High-current jack with radial clamping force - Google Patents
High-current jack with radial clamping force Download PDFInfo
- Publication number
- CN202444082U CN202444082U CN2012200183278U CN201220018327U CN202444082U CN 202444082 U CN202444082 U CN 202444082U CN 2012200183278 U CN2012200183278 U CN 2012200183278U CN 201220018327 U CN201220018327 U CN 201220018327U CN 202444082 U CN202444082 U CN 202444082U
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- CN
- China
- Prior art keywords
- jack
- parent
- clamping force
- radially
- clamping spring
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- Expired - Fee Related
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Abstract
The utility model discloses a high-current jack with radial clamping force. The high-current jack consists of a jack matrix and a clamping spring, wherein the jack matrix is cut according to a step-type curve through mode; the diameter of the middle part of the jack matrix and internal corners of excircles at two ends are designed into a conical body transition structure, namely, internal core conical bodes which are referred to below; the clamping spring is placed on the excircles of the jack matrix again, and two ends of the clamping spring butt against the conical surfaces of the internal corner conical bodies at two ends, thus the effect of the radial clamping force is generated to the jack matrix; preferably, in order to prevent pollution impurities from affecting the contact effect and heat emission, and small holes for discharging pollution and heat are drilled radially; and the radial force generated by the clamping spring can be enough to overcome thin film resistance caused by pollution and contraction resistance caused by uneven contact surface; the more insertion and pulling times are, the better the contact surface is; the structure is simple, the flow rate load is great, and the service life is long.
Description
Technical field
The present invention relates to a kind of big electric current jack, belong to technical field of electric connectors with neck clamping force.
Background technology
Electric connector has contact pin and plugging hole component, and the kind of its jack contact is a lot, has at cylinder one end to be cut into the contact of lobe shape, also the composite type contact of placing line spring or sheet spring to be arranged in cylinder along axis.Last kind belongs to parent contact jack, has certain neck clamping force, makes parent contact conduction current with contact pin, but belongs to the contact of end shrinkage cavity on-plane surface, and neck clamping force and contact-making surface are relatively poor, life-span weak point, unstable; A kind of line spring or the sheet spring of leaning in back be as middle contact, leans on its distortion contact with contact pin to conduct the current to parent output again, its complex structure, is prone to the overheated clamping force that follows the string, not wear-resisting, easy fracture of wire, life-span weak point; The above contact of telling is difficult to overcome and pollutes the film resistor that causes, the contraction resistance that the contact surface injustice causes; Particularly in the electric automobile field of just having risen; Need the electric current of connector conduction big, plug number of times more than 20000 times, the jack contact of the above connector just is difficult to accomplish.
Summary of the invention
The objective of the invention is the present situation to the above jack contact, propose a kind of radially big electric current jack of clamping force that has, it is characterized in that: jack parent curve connects and cuts, and its said cut-off lines preferably has the structure of notch cuttype; Inner corner trim place at the middle part of said jack parent diameter and two ends cylindrical is designed to the cone transition structure; On above-described jack parent cylindrical, place fastening spring again; With being enclosed within jack parent middle part cylindrical after the compression of telling fastening spring; Of the present invention a kind ofly have the radially big electric current jack of clamping force, but the afterbody dilated diameter of jack, and the connecting line nose of holing above that can be realized external connection; Again at the aperture that radially is drilled with blowdown and heat exhaust.
According to above-described a kind of radially big electric current jack of clamping force that has, form by jack parent, fastening spring.
The cylindrical at the endoporus of the fastening spring of telling and jack parent middle part is a matched in clearance, and the length of its fastening spring is according to the needs adjustment length of axial force, and Mi Quan part minimum circle in its two ends increases the number of turns or spring filament diameter according to the big I of clamping force; With being enclosed within jack parent middle part cylindrical after the compression of telling fastening spring; Its two end axles is to launching just to produce axial force; This axial force withstands on the conical surface of the above inner corner trim cone of telling said fastening spring two ends; The radial component of said axial force just has the effect that clamps the jack parent, and jack parent two halves will overcome above-mentioned component when outwards opening, and also will overcome the radially clamping force that the enlarged-diameter of said both ends of the spring Mi Quan part own produces; So, when contact pin injected jack, jack two halves parent had just produced the elasticity clamping force to plug; Even jack has certain wear; As long as there is the slit line cut place of as above telling the jack parent, under the effect of fastening spring, just can reaches and have the radially effect of clamping force; Above-described a kind of big electric current jack with clamping force radially is good, simple in structure more with the many more contact-making surfaces of plug number of times, ampacity is big, the life-span is long.
Preferably; A kind of radially big electric current jack of clamping force that has of the present invention, it connects and can on half jack parent, go between respectively outer conductor, and then the method for parallel connection; But the afterbody dilated diameter of jack, the connecting line nose of holing above that can be realized external connection; Preferably avoid polluting impurity effect contact effect and discharges heat, again at the aperture that radially is drilled with blowdown and heat exhaust.
Description of drawings
Figure (1) is the stereogram of real row plug of the present invention and plugging hole component
Figure (2) is the stereogram of real row contact pin assembly of the present invention and plugging hole component inserting state
Stereogram when figure (3) is the real row jack of the present invention parent closure
Figure (4) is the real row jack of a present invention parent two halves air-tight state sectional schematic diagram
Figure (5) is the real row jack of a present invention parent two halves open configuration sectional schematic diagram
Embodiment
Below in conjunction with the real row of appeal accompanying drawing the present invention " a kind of have the radially big electric current jack of clamping force " is done further explain:
Figure (1) is the stereogram of contact pin assembly and plugging hole component released state, wherein 1 be the contact pin assembly, 2 is fastening spring; 3 is the jack parent; The 4th, the external connection screw thread hole of jack, the 5th, the face contact wire of jack closure state can find out among the figure that this line is to connect the ladder form to cut.
Figure (2) is the stereogram of contact pin assembly and plugging hole component inserting state, can find out among the figure that fastening spring launches tightly to withstand on the aforesaid cone to two ends, because the cone diameter is greater than the fastening spring endoporus; Lean on the effect on inclined-plane to produce radial component, when contact pin injects jack, two halves jack parent is radially outward opened simultaneously, force the fastening spring endoporus to strengthen; As stated, be understood that, step up spring the jack parent has been produced radially clamping force; This point the technical staff of mechanics be understood that; Among the figure 6 is that contact pin injects the gap that produces behind the jack, has this gap to exist, at fastening spring radially under the effect of clamping force; The jack parent just can clamp contact pin, and assurance electric power is reliably exported.
Figure (3) is the stereogram of jack precursor structure, and 3-1 is aforesaid inner corner trim cone part among the figure, and 3-2 is the front end excircle part, and 3-3 is the blowdown aperture; 3-4 is middle excircle part, and 3-5 is the rear end excircle part, and 3-6 is the six quadrate part branches that usefulness is installed; Preferably, here can be according to installation needs project organization, as circular or square; Fig. 3-the 7th, to outer connection part, this part also can be according to installation needs project organization, and 3-9 is external connection screw thread hole on it; 3-8 is exactly step-like through cut-off lines among the figure, and said cut-off lines has prevented the axial motion of jack two halves parents owing to be the ladder form.
Figure (4) is a jack parent two halves air-tight state sectional schematic diagram, and cylindrical 3-10 is just round in the time of can finding out jack parent two halves air-tight state among the figure, and endoporus 3-11 is not just round, and the vertical direction diameter diminishes.
Figure (5) is a jack parent two halves open configuration sectional schematic diagram, and endoporus 3-12 is just round in the time of can finding out jack parent two halves separated position among the figure, and cylindrical 3-13 is not just round; It is big that the vertical direction diameter becomes, and 3-14 is the gap of two halves jack parent among the figure, and this gap diminishes along with the wearing and tearing of contact pin and jack; As long as but there is this gap to exist, will keep the radially clamping of fastening spring to two halves jack parent, also just guaranteed the radially clamping effect of two halves jack parent to contact pin; So; Realized a kind of radially big electric current jack of clamping force that has, be applying of the electric automobile of changing fast battery module, parts provide the foundation.
Claims (2)
1. one kind has the radially big electric current jack of clamping force, it is characterized in that: jack parent curve connects and cuts, and its said cut-off lines preferably has the structure of notch cuttype; Inner corner trim place at the middle part of said jack parent diameter and two ends cylindrical is designed to the cone transition structure, on above-described jack parent cylindrical, places fastening spring again, with being enclosed within jack parent middle part cylindrical after the compression of telling fastening spring.
2. have the radially big electric current jack of clamping force according to one kind of claim 1, but its characteristic also is the afterbody dilated diameter of jack, the connecting line nose of holing above that can be realized external connection; Again at the aperture that radially is drilled with blowdown and heat exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200183278U CN202444082U (en) | 2012-01-16 | 2012-01-16 | High-current jack with radial clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200183278U CN202444082U (en) | 2012-01-16 | 2012-01-16 | High-current jack with radial clamping force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202444082U true CN202444082U (en) | 2012-09-19 |
Family
ID=46825512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200183278U Expired - Fee Related CN202444082U (en) | 2012-01-16 | 2012-01-16 | High-current jack with radial clamping force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202444082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932453A (en) * | 2016-06-23 | 2016-09-07 | 深圳市沃尔核材股份有限公司 | Interface terminal |
-
2012
- 2012-01-16 CN CN2012200183278U patent/CN202444082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932453A (en) * | 2016-06-23 | 2016-09-07 | 深圳市沃尔核材股份有限公司 | Interface terminal |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20180116 |