CN1474482A - Isnserting needle with spring for heat inserting and pull-out and screw band spring ring - Google Patents
Isnserting needle with spring for heat inserting and pull-out and screw band spring ring Download PDFInfo
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- CN1474482A CN1474482A CNA031332110A CN03133211A CN1474482A CN 1474482 A CN1474482 A CN 1474482A CN A031332110 A CNA031332110 A CN A031332110A CN 03133211 A CN03133211 A CN 03133211A CN 1474482 A CN1474482 A CN 1474482A
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- band spring
- spring coil
- hurricane band
- contact pin
- hot
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- 239000002184 metal Substances 0.000 claims abstract description 82
- 229910052751 metal Inorganic materials 0.000 claims abstract description 82
- 238000004080 punching Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 210000001624 hip Anatomy 0.000 description 24
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
This invention discloses a hot plugging band spring contact pin and a screw band spring coil among which, the hot plugging band spring contact pin is composed of a screw band spring coil, a rigid pin and a rear jacket which can be used in different fields since it applies different leading and fixing ways. The main contact part of the screw band spring coil of the pin is formed by rolling a metal spring plate after punching and the screw band spring coil is in a screw curve contact way contacting with rigid plug holes in multiface envelope.
Description
Affiliated technical field
The invention belongs to electric connector contact, particularly a kind of hot-swappable band spring contact pin and hurricane band spring coil.
Background technology
Electric connector is to use the very wide a kind of electronic device in field, and its core contacts idol by what contact pin contacting piece and jack contact were formed, its function be by contact pin contacting piece and jack contact to insert the back effectively, contact reliably and finish.Wherein an end is designed to resilient contact in order to make contact pin contacting piece and jack contact have better contact performance.
Present existing electric connector contact idol mostly is elastic hole and the rigidity contact pin matches.And adopt rigidity jack and elastic contact pin to match, and can under the prerequisite that does not reduce contact performance, make volume-diminished, the designs simplification of jack and contact pin, be easier to make.In the prior art, existing reliability, stability elastic contact pin contact preferably are the twisted wire contact pin, it is that a branch of elastic metallic yarn that will be intertwined is processed into bulging waist shape small in ends broad in the middle, when the twisted wire contact pin inserts the rigidity jack, these elastic metallic yarns constitute multi-thread contact system in parallel because the elasticity tension of itself supports the inner wall surface that is attached to jack tightly.
There is following deficiency in this twisted wire contact pin structure: (1) is because the elastic contact pin that the twisted wire contact pin is a branch of elastic metallic yarn that is intertwined to be constituted, its poor rigidity, carrying out to cause to be connected fault and accident because of elastic contact pin flexural deformation stress destruction when inserting with the rigidity jack; (2) because the twisted wire contact pin belongs to elastic contact pin, the size that adds man-hour can't guarantee unanimity, influences the consistency of contact engaging and separating force; (3) processing technology complexity, the required precision height causes product percent of pass low, and cost improves; (4) by the structure of twisted wire contact pin as can be seen, elastic metallic yarn can not be very thick, makes every rhizoid be difficult to bear the impact of big electric current; (5) " squeezing heap " phenomenon of twisted wire contact pin can't overcome in the use.
In patent application publication number be in addition: " be used for fast connect and disconnect connector " patent manuscript of CN 1144020A discloses a kind of " male part ", and it is that a part that is called " disc spring " is enclosed within the interconnect function that electrifies on the external diameter of attachment plug." disc spring " is not described in the patent manuscript, it is cylindric as can be known by Figure of description, and some the two ends that sidewall is divided into link to each other and become drum waist shape with the vertical bonding jumper of end face is outwardly-bent, are the structure that is small at both ends and big in the middle.
The weak point of this structure is after the contact pin that disc spring is housed inserts the rigidity jack, the bonding jumper of disc spring only contacts with the jack inner surface at place, drum waist summit, can not make whole bonding jumper all tightly support be attached to rigidity jack inner surface, its contact performance is restricted.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of processing technology simple, have that good consistency, contact are closely reliable, the hot-swappable band spring contact pin contacting piece of long service life, it is to be sleeved on hurricane band spring coil on the rigid needle body diameter as the contact portion of contact pin contacting piece, merged the advantage of rigidity contact pin and elastic contact pin, the impact that can bear big electric current.
The object of the present invention is achieved like this: hot-swappable band spring contact pin consists essentially of three major parts, and promptly rigidity needle body, hurricane band spring coil and back cover then are called matrix as if the rigidity needle body is made of one with the back cover.
The structure of hot-swappable band spring contact pin is as described below: by an end face blind cylindrical hole is arranged, the other end is processed into the back cover of different structure by difference lead-in wire mode, there is the cylindric rigidity needle body of an annular groove at the middle part of external diameter being housed being the blind hole internal diameter in it, the hurricane band spring coil is sleeved in the annular groove of rigidity needle body, the degree of depth of groove makes hurricane band spring coil surface concordant or lower slightly with the rigid needle surface just, the slightly larger in diameter of groove tightly is attached on the rigidity needle body groove periphery elastic force of hurricane band spring coil dependence itself in the internal diameter of hurricane band spring coil.One end of rigidity needle body embeds in the blind cylindrical hole of back cover, one end of hurricane band spring coil is just clamped by the inner cylinder face and the external face of cylinder of rigid needle of back cover end face blind hole, the blind hole port of back cover shrinks to its axle center, the rigidity needle body that the hurricane band spring coil is housed is blocked, can not deviate from and constitute.
The core component hurricane band spring coil that constitutes hot-swappable band spring contact pin is cylindric, be with elastic sheet metal on request punching press be divided into by some two ends between homogeneous phase and link to each other and have the grid shape sheet metal that the resilient metal strip of specific oblique angle is formed with end face, volume encloses moulding then.Because each root bonding jumper of grid shape sheet metal all has specific oblique angle, according to the analytic geometry theory, every resilient metal strip state in the shape of a spiral all after the moulding of grid shape sheet metal coil circle, and each root bonding jumper middle part is slightly outwards bloated, integral body is thin, the middle thick waist drum shape in two ends, so that contact with rigidity jack inner surface better, through obtaining the hurricane band spring coil after the typing processing.Because electric current is born in the parallel connection that all links together of the two ends of all resilient metal strips in the hurricane band spring coil, improve greatly so bear the ability of electric current, and the way of contact of hurricane band spring coil employing spiral camber, have high contact performance.
Hot-swappable band spring contact pin contacting piece is by the cylindrical rigidity needle body that is set with a hurricane band spring coil in the annular groove of middle part, the one end embeds in the blind cylindrical hole of back cover end face, one end of hurricane band spring coil is just clamped by the inner cylinder face of back cover blind hole and the external cylindrical surface of rigidity needle body, the blind hole port of back cover shrinks to its axle center, the rigidity needle body that the hurricane band spring coil is housed is blocked, can not deviate from and constitute.
The back cover of hot-swappable band spring contact pin contacting piece be an end face one internal diameter is arranged is the blind cylindrical hole of cylindric rigid needle body diameter, the other end is processed into the cylinder of different structure by difference lead-in wire mode.
The cylindrical rigid needle surface of hot-swappable band spring contact pin contacting piece is concordant with hurricane band spring coil surface or slightly high.
The hurricane band spring coil of hot-swappable band spring contact pin contacting piece is linked to each other by some two ends between homogeneous phase and has the eyelet that the resilient metal strip of specific oblique angle is formed with end face, is " waist drum " shape that two ends are thin, the centre is thick.
Each root resilient metal strip of the hurricane band spring coil of hot-swappable band spring contact pin contacting piece all is in spiral status, and slightly outwards bloats at the middle part, and integral body is thin, the middle thick waist drum shape in two ends, and the resilient metal strip two ends part that links to each other is cylindric with diameter.
The resilient metal strip that some two ends of the hurricane band spring coil of hot-swappable band spring contact pin contacting piece link to each other and the inclination angle of end face are between 95 °～120 ° (left-handed) or between 60 °～85 ° (dextrorotation).
The hurricane band spring coil of hot-swappable band spring contact pin contacting piece be with elastic sheet metal on request punching press be divided into by some two ends between homogeneous phase and link to each other and have the grid shape sheet metal that the resilient metal strip of specific oblique angle is formed with end face, volume circle moulding then, its process is as follows:
(1), punching press: with the stamping die of making on request the elastic sheet metal punching press is divided into by some two ends between homogeneous phase and links to each other and have the grid shape sheet metal that the resilient metal strip at 95 °～120 ° of inclinations angle is formed with end face;
(2), volume circle moulding: vertically be placed on grid shape sheet metal on the substrate, the slightly thick cylindrical plug for the bulging waist of circular arc in the unidimensional and middle part of one two ends diameter and required making hurricane band spring coil internal diameter is arranged on the substrate, make grid shape sheet metal be positioned at the outside of cylindrical plug and make resilient metal strip and real estate is in position, 95 °～120 ° of inclinations angle, make grid shape sheet metal slightly thick cylindrical shape and make the resilient metal strip outer surface that is wrapped in cylindrical plug circular arc drum waist tightly in the middle of becoming along the outer surface bending of cylindrical plug with pressure;
(3), timeliness and surface treatment: undertaken just obtaining left-handed hurricane band spring coil after Ageing Treatment and the surface treatment by eyelet to the moulding of volume circle.
(4), in volume circle process, the resilient metal strip of this grid shape sheet metal is 60 °～85 ° inclinations angle with substrate if the grid shape sheet metal with 95 °～120 ° of inclinations angle that punching out is good is placed on behind the center line turn-over on the substrate then, obtains the hurricane band spring coil of dextrorotation after volume encloses.
(5), the moulding of volume circle also can utilize the unidimensional cylindrical plug of diameter and required making hurricane band spring coil internal diameter that grid shape sheet metal coil is made the consistent cylindrical shape of thickness earlier, smaller and middle part slightly slightly is to roll on the cylindrical plug of circular arc drum waist to rub with the hands and produces circular arc and rouse waist than made hurricane band spring coil internal diameter to be enclosed within diameter again.
After hot-swappable band spring contact pin inserts the rigidity jack, because the external diameter of the bulging waist portions of hurricane band spring coil is slightly larger than the internal diameter of rigidity jack, every resilient metal strip is because elastic force effect support is attached to the inner surface of rigidity jack, simultaneously because every resilient metal strip state in the shape of a spiral, its curved surface changes and the radian of jack inner surface matches, the effective length of every resilient metal strip all closely contacts with the jack inner surface, form the rectangle contact-making surface, total contact effect is the summation of some resilient metal strip areas---the contact of multiaspect envelope.Owing to play the hurricane band spring coil of contact action is to be contained in the annular groove at rigidity needle body middle part, band spring contact pin contacts at first with the rigidity jack and last what disconnect is the end of rigidity needle body when hot-swappable band spring contact pin plugs with the rigidity jack, has avoided like this making elastomeric element hurricane band spring coil be subjected to rush of current and Damage and Failure owing to hot plug.
The present invention compared with prior art has following advantage and good effect: (1) is simple in structure integrated by the hot-swappable band spring contact pin contacting piece that hurricane band spring coil, rigidity needle body and back cover constitute, reduced the consumption of copper material in the processing, favourable producing by batch, adopt the applicable different application occasion of back cover of different lead-in wire forms and fixed form, be convenient to management and production; (2) hot-swappable band spring contact pin contacting piece has adopted the spiral camber way of contact, is that the multiaspect envelope contacts with the rigidity jack, and dynamic contact resistance is stable, has shock-resistant, anti-vibration, bears the characteristics that electric current is big, plug is soft, contact resistance is little.Contact at first when (3) hot-swappable band spring contact pin plugs with the rigidity jack and last what disconnect is the end of band spring contact pin rigidity needle body, avoided like this because hot plug makes elastomeric element hurricane band spring coil be subjected to rush of current and Damage and Failure.(4) the main contact component hurricane band of hot-swappable band spring contact pin contacting piece spring coil is that its processing technology is simple, cost is lower, have good consistency, is applicable to production in enormous quantities with volume circle moulding after the elastic sheet metal punching press;
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the disc spring figure of showing in the patent accompanying drawing
Fig. 2 is the structural representation of hot-swappable band spring contact pin
Fig. 3 is the axonometric drawing of hurricane band spring coil
Fig. 4 is the expansion schematic diagram of Fig. 3
Fig. 5 is a rigidity needle body schematic diagram
Fig. 6 is cylindrical plug 1 schematic diagram of making the hurricane band spring coil
Fig. 7 is cylindrical plug 2 schematic diagrames of making the band circular arc drum waist of hurricane band spring coil
Fig. 8 is hot-swappable another embodiment of band spring contact pin
1. hurricane band spring coils among the figure, 2. rigidity needle body, 3. back cover, 4. annular groove, 5. cylindrical plug 1,6. cylindrical plug 2,7. circular arc drum waist, 8. matrix, A. crimping or contraction place
Embodiment
Shown in Figure 1 is that patent application publication number is: " disc spring " figure that " connector that is used for connection fast and disconnects " patent manuscript accompanying drawing of CN 1144020A is showed, it is cylindric as seen from the figure, some the two ends that sidewall is divided into link to each other and become drum waist shape with the vertical bonding jumper of end face is outwardly-bent, are the structure that is small at both ends and big in the middle.
Hot-swappable band spring contact pin shown in Figure 2 be by in the annular groove of middle part (4) be set with the cylindrical rigidity needle body (2) of a hurricane band spring coil (1), the one end embeds in the blind cylindrical hole of back cover (3) end face, one end of hurricane band spring coil (1) is just clamped by the inner cylinder face of back cover (3) blind hole and the external cylindrical surface of rigidity needle body (2), the blind hole port of back cover (3) shrinks (A place) to its axle center, the rigidity needle body (2) that hurricane band spring coil (1) will be housed blocks, can not deviate from, back cover (3) other end is processed into different structure by difference lead-in wire mode and constitutes.
Shown in Figure 3 is the axonometric drawing of hurricane band spring coil, hurricane band spring coil (1) is cylindric, be with elastic sheet metal on request punching press be divided into by some two ends between homogeneous phase and link to each other and have the grid shape sheet metal that the resilient metal strip of specific oblique angle is formed with end face, volume encloses moulding then.Because each root bonding jumper of grid shape sheet metal all has specific oblique angle, according to the analytic geometry theory, every resilient metal strip state in the shape of a spiral all after the moulding of grid shape sheet metal coil circle, and each root bonding jumper middle part is slightly outwards bloated, integral body is thin, the middle thick waist drum shape in two ends, so that contact with rigidity jack inner surface better, through obtaining hurricane band spring coil (1) after the typing processing.Because electric current is born in the parallel connection that all links together of the two ends of all resilient metal strips in the hurricane band spring coil (1), improve greatly so bear the ability of electric current, and the way of contact of hurricane band spring coil (1) employing spiral camber, have high contact performance.Fig. 4 is that it launches schematic diagram.
Shown in Figure 5 is rigidity needle body schematic diagram, it is an external diameter has an annular groove (4) for the middle part of back cover (3) end face blind hole internal diameter cylinder, hurricane band spring coil (1) is sleeved in the annular groove (4) of rigidity needle body (2), the degree of depth of groove makes hurricane band spring coil (1) surface concordant or lower slightly with rigidity needle body (2) surface just, the slightly larger in diameter of groove tightly is attached on rigidity needle body (2) the groove periphery elastic force of hurricane band spring coil (1) dependence itself in the internal diameter of hurricane band spring coil (1).
Shown in Figure 6 is the cylindrical plug 1 of making the hurricane band spring coil, is a diameter and the identical cylinder of required making hurricane band spring coil (1) internal diameter size.
Shown in Figure 7 is makes the cylindrical plug 2 of the band circular arc drum waist of hurricane band spring coil, is that a two ends diameter and required making hurricane band spring coil (1) internal diameter are unidimensional and the cylinder of waist (7) is slightly slightly roused at the middle part for circular arc.
Hot-swappable band spring contact pin contacting piece is characterised in that: be by the cylindrical rigidity needle body (2) that is set with a hurricane band spring coil (1) in middle part annular groove (4), the one end embeds in the blind cylindrical hole of back cover (3) end face, one end of hurricane band spring coil (1) is just clamped by the inner cylinder face of back cover (3) end face blind hole and the external cylindrical surface of rigidity needle body (2), the blind hole port of back cover (3) end face shrinks (A place) to its axle center, the rigidity needle body (2) that hurricane band spring coil (1) will be housed blocks, and can not deviate from and constitutes.
Hot-swappable band spring contact pin contacting piece is characterised in that: back cover (3) be an end face one internal diameter is arranged is the blind cylindrical hole of cylindric rigidity needle body (2) external diameter, the other end is processed into the cylinder of different structure by difference lead-in wire mode.
Hot-swappable band spring contact pin contacting piece is characterised in that: cylindrical rigidity needle body (2) surface is concordant with hurricane band spring coil (1) surface or slightly high.
Hot-swappable band spring contact pin contacting piece is characterised in that: its hurricane band spring coil (1) is linked to each other by some two ends between homogeneous phase and has the eyelet that the resilient metal strip of specific oblique angle is formed with end face, is " waist drum " shape that two ends are thin, the centre is thick.
Hot-swappable band spring contact pin contacting piece is characterised in that: each root resilient metal strip of its hurricane band spring coil (1) all is in spiral status, and slightly outwards bloat at the middle part, integral body is thin, the middle thick waist drum shape in two ends, and the resilient metal strip two ends part that links to each other is cylindric with diameter.
Hot-swappable band spring contact pin contacting piece is characterised in that: the resilient metal strip that some two ends of its hurricane band spring coil (1) link to each other and the inclination angle of end face are between 95 °～120 ° (left-handed) or between 60 °～85 ° (dextrorotation).
Hot-swappable band spring contact pin contacting piece is characterised in that: its hurricane band spring coil (1) be with elastic sheet metal on request punching press be divided into by some two ends between homogeneous phase and link to each other and have the grid shape sheet metal that the resilient metal strip of specific oblique angle is formed with end face, volume circle moulding then, its process is as follows:
(1), punching press: with the stamping die of making on request the elastic sheet metal punching press is divided into by some two ends between homogeneous phase and links to each other and have the grid shape sheet metal that the resilient metal strip at 95 °～120 ° of inclinations angle is formed with end face;
(2), volume circle moulding: vertically be placed on grid shape sheet metal on the substrate, the slightly thick cylindrical plug 2 (6) for the bulging waist of circular arc (7) in the unidimensional and middle part of one two ends diameter and required making hurricane band spring coil internal diameter is arranged on the substrate, make grid shape sheet metal be positioned at the outside of cylindrical plug 2 (6) and make resilient metal strip and real estate is in position, 95 °～120 ° of inclinations angle, make grid shape sheet metal slightly thick cylindrical shape and make the resilient metal strip outer surface that is wrapped in cylindrical plug 2 (6) circular arcs drum waists (7) tightly in the middle of becoming along the outer surface bending of cylindrical plug 2 (6) with pressure;
(3), timeliness and surface treatment: undertaken just obtaining left-handed hurricane band spring coil (1) after Ageing Treatment and the surface treatment by eyelet to the moulding of volume circle.
(4), in volume circle process, the resilient metal strip of this grid shape sheet metal is 60 °～85 ° inclinations angle with substrate if the grid shape sheet metal with 95 °～120 ° of inclinations angle that punching out is good is placed on behind the center line turn-over on the substrate then, obtains the hurricane band spring coil (1) of dextrorotation after volume encloses.
(5), the moulding of volume circle also can utilize the unidimensional cylindrical plug 1 (5) of diameter and required making hurricane band spring coil (1) internal diameter that grid shape sheet metal coil is made the consistent cylindrical shape of thickness earlier, smaller and middle part slightly slightly is to roll on the cylindrical plug 2 (6) of circular arc drum waist (7) to rub with the hands and produces circular arc and rouse waist than made hurricane band spring coil internal diameter to be enclosed within diameter again.
After hot-swappable band spring contact pin inserts the rigidity jack, because the external diameter of the bulging waist portions of hurricane band spring coil (1) is slightly larger than the internal diameter of rigidity jack, every resilient metal strip is because elastic force effect support is attached to the inner surface of rigidity jack, simultaneously because every resilient metal strip state in the shape of a spiral, its curved surface changes and the radian of jack inner surface matches, the effective length of every resilient metal strip all closely contacts with the jack inner surface, form a rectangle contact-making surface, total contact effect is the summation of some resilient metal strip areas---the contact of multiaspect envelope.Owing to play the hurricane band spring coil (1) of contact action is to be contained in the annular groove (4) at rigidity needle body (2) middle part, band spring contact pin contacts at first with the rigidity jack and last what disconnect is the end of rigidity needle body (2) when hot-swappable band spring contact pin plugs with the rigidity jack, has avoided like this making elastomeric element hurricane band spring coil (1) be subjected to rush of current and Damage and Failure owing to hot plug.
That shown in Figure 6 is hot-swappable another embodiment of band spring contact pin, it is the matrix (8) that on the basis of hot-swappable band spring contact pin shown in Figure 2, rigidity needle body (2) and back cover (3) is made as one, structure is more simple, and the elastic force of hurricane band spring coil (1) dependence itself tightly is attached on the periphery of annular groove (4) of matrix (8).
The present invention compared with prior art has following advantage and good effect: (1) is by hurricane band spring coil, rigidity The hot-swappable band spring contact pin contacting piece that needle body and rear cover consist of is simple in structure integrated, is easy to processing, and is favourable Produce by batch, adopt the applicable different application occasion of rear cover of different lead-in wire forms and fixed form, be convenient to pipe Reason; (2) hot-swappable band spring contact pin contacting piece has adopted the spiral camber way of contact, with the rigidity jack be many Bread network contact, dynamic contact resistance is stable, has shock-resistant, anti-vibration, bears that electric current is big, plug is gentle With, characteristics that contact resistance is little. Connect at first when (3) hot-swappable band spring contact pin and rigidity jack plug Touch and last what disconnect is end with spring contact pin rigidity needle body, avoided like this because hot plug makes elastic portion Part hurricane band spring coil is subjected to rush of current and damages inefficacy. (4) hot-swappable band spring contact pin contacting piece mainly contacts Parts hurricane band spring coil is that volume after the elastic sheet metal punching press is enclosed moulding, its processing technology is simple, cost is lower, Have good uniformity, be applicable to production in enormous quantities.
Claims (7)
1, a kind of hot-swappable band spring contact pin contacting piece and hurricane band spring coil, it is characterized in that hot-swappable band spring contact pin contacting piece is by the cylindrical rigidity needle body that is set with a hurricane band spring coil in the annular groove of middle part, the one end embeds in the blind cylindrical hole of back cover end face, one end of hurricane band spring coil is just clamped by the inner cylinder face of back cover blind hole and the external cylindrical surface of rigidity needle body, the blind hole port of back cover shrinks to its axle center, the rigidity needle body that the hurricane band spring coil is housed is blocked, can not deviate to constitute.
2, hot-swappable band spring contact pin contacting piece according to claim 1 and hurricane band spring coil, it is characterized in that its hurricane band spring coil is linked to each other by some two ends between homogeneous phase and have the eyelet that the resilient metal strip of specific oblique angle is formed, be " waist drum " shape that two ends are thin, the centre is thick with end face.
3, hot-swappable band spring contact pin contacting piece according to claim 1 and hurricane band spring coil, it is characterized in that back cover be an end face internal diameter is arranged is the blind cylindrical hole of cylindric rigid needle body diameter, the other end is processed into the cylinder of different structure by difference lead-in wire mode.
4, hot-swappable band spring contact pin contacting piece according to claim 1 and hurricane band spring coil is characterized in that cylindrical rigid needle surface is concordant with hurricane band spring coil surface or slightly high.
5, hot-swappable band spring contact pin contacting piece according to claim 2 and hurricane band spring coil, each the root resilient metal strip that it is characterized in that its hurricane band spring coil all is in spiral status, and slightly outwards bloat at the middle part, integral body is thin, the middle thick waist drum shape in two ends, and the resilient metal strip two ends part that links to each other is cylindric with diameter.
6, hot-swappable band spring contact pin contacting piece according to claim 2 and hurricane band spring coil, the inclination angle that it is characterized in that resilient metal strip that some two ends of hurricane band spring coil link to each other and end face is between 95 °～120 ° (left-handed) or between 60 °～85 ° (dextrorotation).
7, hot-swappable band spring contact pin contacting piece according to claim 2 and hurricane band spring coil, it is characterized in that the hurricane band spring coil be with elastic sheet metal on request punching press be divided into by some two ends between homogeneous phase and link to each other and have the grid shape sheet metal that the resilient metal strip of specific oblique angle is formed with end face, volume circle moulding then, its process is as follows:
(1), punching press: with the stamping die of making on request the elastic sheet metal punching press is divided into by some two ends between homogeneous phase and links to each other and have the grid shape sheet metal that the resilient metal strip at 95 °～120 ° of inclinations angle is formed with end face;
(2), volume circle moulding: vertically be placed on grid shape sheet metal on the substrate, the slightly thick cylindrical plug for the bulging waist of circular arc in the unidimensional and middle part of one two ends diameter and required making hurricane band spring coil internal diameter is arranged on the substrate, make grid shape sheet metal be positioned at the outside of cylindrical plug and make resilient metal strip and real estate is in position, 95 °～120 ° of inclinations angle, make grid shape sheet metal slightly thick cylindrical shape and make the resilient metal strip outer surface that is wrapped in cylindrical plug circular arc drum waist tightly in the middle of becoming along the outer surface bending of cylindrical plug with pressure;
(3), timeliness and surface treatment: undertaken just obtaining left-handed hurricane band spring coil after Ageing Treatment and the surface treatment by eyelet to the moulding of volume circle.
(4), in volume circle process, the resilient metal strip of this grid shape sheet metal is 60 °～85 ° inclinations angle with substrate if the grid shape sheet metal with 95 °～120 ° of inclinations angle that punching out is good is placed on behind the center line turn-over on the substrate then, obtains the hurricane band spring coil of dextrorotation after volume encloses.
(5), the moulding of volume circle also can utilize the unidimensional cylindrical plug of diameter and required making hurricane band spring coil internal diameter that grid shape sheet metal coil is made the consistent cylindrical shape of thickness earlier, smaller and middle part slightly slightly is to roll on the cylindrical plug of circular arc drum waist to rub with the hands and produces circular arc and rouse waist than the internal diameter of made hurricane band spring coil to be enclosed within diameter again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03133211 CN1248366C (en) | 2003-07-20 | 2003-07-20 | Isnserting needle with spring for heat inserting and pull-out and screw band spring ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03133211 CN1248366C (en) | 2003-07-20 | 2003-07-20 | Isnserting needle with spring for heat inserting and pull-out and screw band spring ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1474482A true CN1474482A (en) | 2004-02-11 |
| CN1248366C CN1248366C (en) | 2006-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03133211 Expired - Fee Related CN1248366C (en) | 2003-07-20 | 2003-07-20 | Isnserting needle with spring for heat inserting and pull-out and screw band spring ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1248366C (en) |
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| CN105428869A (en) * | 2015-11-12 | 2016-03-23 | 宁波瑞祥电器有限公司 | Anti-slip power plug |
| CN106684603A (en) * | 2017-03-03 | 2017-05-17 | 王轶 | Compact jack connector with rotation spring contact piece |
| CN106848666A (en) * | 2017-03-18 | 2017-06-13 | 昆山惠禾新能源科技有限公司 | Plug terminal, female terminal and its component |
| CN107069267A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | A kind of electric connector being used between plate |
| CN107171092A (en) * | 2017-05-23 | 2017-09-15 | 中航光电科技股份有限公司 | Contact assembly and the electric coupler component using the contact assembly |
| CN107364409A (en) * | 2017-08-14 | 2017-11-21 | 瑞安市纳德睿电子科技有限公司 | A kind of connection sheet of gasbag coil |
| CN109506803A (en) * | 2018-11-30 | 2019-03-22 | 深圳和而泰数据资源与云技术有限公司 | Soil monitoring instrument |
| CN113922117A (en) * | 2021-09-23 | 2022-01-11 | 中航光电科技股份有限公司 | Contact pin, jack and stamping and edge rolling forming contact assembly |
-
2003
- 2003-07-20 CN CN 03133211 patent/CN1248366C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157820A (en) * | 2010-12-30 | 2011-08-17 | 倪泉 | Compact jack contact piece and manufacturing method thereof |
| CN102157820B (en) * | 2010-12-30 | 2016-02-24 | 倪泉 | Compact jack contact piece and manufacture method thereof |
| CN105428869A (en) * | 2015-11-12 | 2016-03-23 | 宁波瑞祥电器有限公司 | Anti-slip power plug |
| CN105428869B (en) * | 2015-11-12 | 2017-08-25 | 宁波瑞祥电器有限公司 | Anti-slip attaching plug |
| CN107069267A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | A kind of electric connector being used between plate |
| CN106684603A (en) * | 2017-03-03 | 2017-05-17 | 王轶 | Compact jack connector with rotation spring contact piece |
| CN106848666A (en) * | 2017-03-18 | 2017-06-13 | 昆山惠禾新能源科技有限公司 | Plug terminal, female terminal and its component |
| CN107171092A (en) * | 2017-05-23 | 2017-09-15 | 中航光电科技股份有限公司 | Contact assembly and the electric coupler component using the contact assembly |
| CN107171092B (en) * | 2017-05-23 | 2024-04-05 | 中航光电科技股份有限公司 | Contact assembly and electric connector assembly using same |
| CN107364409A (en) * | 2017-08-14 | 2017-11-21 | 瑞安市纳德睿电子科技有限公司 | A kind of connection sheet of gasbag coil |
| CN109506803A (en) * | 2018-11-30 | 2019-03-22 | 深圳和而泰数据资源与云技术有限公司 | Soil monitoring instrument |
| CN113922117A (en) * | 2021-09-23 | 2022-01-11 | 中航光电科技股份有限公司 | Contact pin, jack and stamping and edge rolling forming contact assembly |
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| Publication number | Publication date |
|---|---|
| CN1248366C (en) | 2006-03-29 |
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