CN202308438U - Spring ring type jack and contact pin thereof - Google Patents
Spring ring type jack and contact pin thereof Download PDFInfo
- Publication number
- CN202308438U CN202308438U CN 201120442661 CN201120442661U CN202308438U CN 202308438 U CN202308438 U CN 202308438U CN 201120442661 CN201120442661 CN 201120442661 CN 201120442661 U CN201120442661 U CN 201120442661U CN 202308438 U CN202308438 U CN 202308438U
- Authority
- CN
- China
- Prior art keywords
- elastic ring
- spiral elastic
- spring
- pin
- cannelure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a spring ring type jack and a contact pin thereof. Annular slots with U-shaped cross sections are arranged on the inner walls of contact pin holes, spiral spring rings are arranged in the annular slots, the inner diameter of each spiral spring ring is smaller than that of each contact pin hole, the height of the spiral spring ring is consistent with the width of the annular slot, and a spiral spring forming a spiral spring ring is an oblique spring; and arc slots surrounding the peripheral surface of a contact pin head are arranged on the contact pin head matched with a jack, and the arc springs are matched with annular slots in the contact pin holes in number and position. The spring ring type jack and the contact pin thereof, disclosed by the utility model, effectively solve a problem that a socket connector is hard to meet a large current working condition in the prior art, have the advantages of large contact area, small volume and simple structure, are socket connector components of fully novel structures and have very high practical value.
Description
Technical field
The utility model relates to technical field of electric connectors, relates in particular to a kind of spring ring type jack and contact pin thereof that is used for big electric current connector.
Background technology
In electric connector, the contact pin of connector and the contact area of jack are to weigh the important technology index of connector, especially are operated in the connector under the big electric current operating mode.In the prior art; The contact area of general sheet spring is about 30%; At present best hat spring, its contact area of electric connector of line spring pore structure also have only 50% to 60%; Therefore this class formation is difficult on the connector of big electric current and uses, such as for single core operating current at the connector more than 3000 amperes, the contact pin jack structure of prior art just is difficult to realize.Open day is on July 21st, 2010; Publication number is that the Chinese patent file of CN101782456A discloses a kind of electric connector that is used for hot environment; Relate to a kind of connector that is used for and works in coordination and set up the electric connector that electrically contacts; Be used in particular under the hot environment, this electric connector comprises: shell has the cylindrical inner volume of being essentially and at least one end opening; Elongated osculating element is arranged in the inner space. and when the connector of working in coordination was introduced this inner space, this osculating element contacted with the connector of working in coordination; And elongated Flexible element, be arranged between the sidewall and osculating element of inner space, with this elongated osculating element of resiliency supported, wherein this osculating element comprises the fixed part between first and second parts that are clipped in housing.Open day is on February 9th, 2011; Publication number is that the Chinese patent file of CN101969160A discloses a kind of hat spring cage jack and hat spring thereof; This jack comprises interior cover, wears the hat spring in the endoporus of interior cover, and the hat spring comprises two end ring of the coaxial setting that is positioned at two ends; One is connected with connecting line spring bar between two end ring, the bearing of trend of each connecting line spring bar and the axis space intersection of two end ring and with respect to the axis of end ring with the trend deflection.Because the two ends of hat spring are provided with end ring, the end spring connects discrete originally line spring bar as a whole, makes the globality grow of hat spring, and is not fragile.Above-mentioned two kinds of patents all are the improvement to existing connector line spring structure; Mainly be in order to solve the easily problem of fracture of line spring, the contact area of contact pin and jack also has certain increase, but above-mentioned patent structure is complicated; Inserting section is longer; Connector can be worked under big electric current, and it is very big that the volume of connector will become, and increased cost greatly and limited to the scope of application.
The utility model content
Its contact pin of connector and jack contact area that the purpose of the utility model is to solve prior art are little, are difficult to satisfy the problem of big electric current operating mode, provide a kind of contact pin and jack contact area big, can satisfy the spring ring type jack and the contact pin thereof of big electric current operating mode.
Another purpose of the utility model is to solve big electric current connector grafting segment length, big, the baroque problem of volume of prior art, a kind of contact pin is provided and the jack inserting section is short, volume is little, simple in structure, spring ring type jack and contact pin thereof that production cost is low.
The utility model solves the problems of the technologies described above the concrete technical scheme that is adopted: a kind of spring ring type jack; Comprise the jack body that is provided with circular pin holes; The inwall of said pin holes is provided with the cannelure that cross section takes the shape of the letter U, and is provided with spiral elastic ring in the cannelure, and the internal diameter of said spiral elastic ring is less than the aperture of pin holes; The height of spiral elastic ring is consistent with the width of cannelure, and the helical spring that constitutes spiral elastic ring is oblique spring.On the inwall of pin holes, cannelure is set; The spiral elastic ring that is made up of oblique spring is set in the cannelure; And the internal diameter of spiral elastic ring is less than the aperture of pin holes, and promptly the part helical spring near the spiral elastic ring internal side diameter protrudes on the inwall of pin holes, like this; When with the adaptive contact pin of jack on pin when inserting pin holes; Helical spring near the spiral elastic ring internal side diameter will closely contact with pin, and is used to keep the power of this tight contact, is the radial elastic power that comes from the oblique spring of special construction.We know that spring only produces axial elastic force usually, and the oblique spring of special construction not only has axial elastic force, also can upwards have elastic force in a certain footpath.Oblique spring described here; The size that is a kind of helical angle is periodically variable spring; Constitute between the cross section of all single-coil spring lines and this spring of this spring and have an inclination angle; And the same direction of all single-coil spring alignments tilts, and the spring with this structure can upwards produce elastic force in a certain footpath.Structure for the utility model; Spiral elastic ring has elasticity on the depth direction of cannelure; Therefore can make jack pass through spiral elastic ring and realize that with contact pin extraordinary conduction is connected; When on contact pin, being provided with the suitable deep-slotted chip breaker of spiral elastic ring, then the conductive contact surfaces of jack and contact pin is significantly greater than versions such as common line spring, hat springs, so can be used for the workplace of big electric current.On the other hand, not only the contact area of jack and contact pin significantly increases, and under equal through-current capability, can significantly shorten the inserting section length of connector, thereby dwindle the volume of connector.The spiral elastic ring of the utility model can adopt the Cu alloy material of good springiness such as phosphor bronze, beryllium-bronze, and the surface plating is with gold or silver-colored, to guarantee its mechanical performance and electric conductivity.In addition, the processing of this spring ring type jack, assembling are all very simple, connect firm and jack has the locking effect to contact pin, therefore also can be in the environment use down of height vibration.
As preferably, the cross section of said spiral elastic ring is circular or oval, and the bottom land of said cannelure is curved, and is suitable with described spiral elastic ring.The spiral elastic ring elasticity of circular cross section is better but plug contact pin is difficult relatively, and the spiral elastic ring of oval cross section is when the parallel axes of long axis of ellipse and pin holes, and the plug of contact pin is relatively easy but the elasticity of spiral elastic ring is relatively poor relatively; The bottom land shape and the spiral elastic ring of cannelure are suitable, can increase the contact area of spiral elastic ring and jack body to greatest extent, guarantee through-current capability.
As preferably, the degree of depth of said cannelure be the helical spring that constitutes spiral elastic ring spiral elastic ring radially top external diameter 60% to 90%.The degree of depth setting of cannelure can be considered according to the contact area of spiral elastic ring and contact pin and the plug performance synthesis of contact pin; Cannelure is dark partially; The plug of contact pin comparatively makes things convenient for but the corresponding minimizing of contact area meeting of spiral elastic ring and contact pin, otherwise cannelure is shallow partially; The contact area of spiral elastic ring and contact pin can increase but the plug of contact pin is difficult relatively, can take all factors into consideration according to the shape and the actual needs of spiral elastic ring.
As preferably, the inwall of said pin holes is provided with 1 cannelure.This is a kind of basic structure of the utility model, and is simple in structure, easy to process.
As possibility, the inwall of pin holes is provided with the cannelure more than 2, and its rotation direction of spiral elastic ring in adjacent two cannelures is opposite.Article 2, the conductive contact surfaces that the cannelure more than can increase between jack and the contact pin is long-pending, further improves through-current capability; The rotation direction of the spiral elastic ring in adjacent two cannelures is opposite, can offset spiral elastic ring and act on the tangential force on the contact pin, makes jack more firm with being connected of contact pin.The structure of many cannelures is particularly useful for the big especially or extra high application scenario of reliability requirement of operating current.
As preferably; The helical angle size of said spiral elastic ring is cyclic variation; Wherein the top rake of a side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section be 15 degree to 45 degree, to be 5 degree spend to 25 the back rake angle of opposite side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section.The top rake of spiral elastic ring can be selected the demands of different of spiral elastic ring radical elasticity according to different connectors with back rake angle.
As preferably, also be provided with extension spring in the spiral elastic ring, two of said extension spring interconnects the formation circulus.Under the enough situation of the helical spring diameter that constitutes spiral elastic ring, extension spring is set in spiral elastic ring, can increase considerably the radical elasticity of spiral elastic ring, improve the connection reliability of connector.Because conduction is not participated in extension spring, so extension spring can adopt common spring steel wire to make, and under the prerequisite that satisfies the elastic force requirement, can reduce the material requirements of spiral elastic ring like this, thereby reduce production costs.
A kind of and the above-mentioned suitable contact pin of spring ring type jack comprises the contact pin body that is provided with circular pin, and described pin is provided with the deep-slotted chip breaker around the pin outer circumference surface, and the cannelure in the quantity of deep-slotted chip breaker and position and the pin holes is suitable.Cannelure in the pin of having deep-slotted chip breaker for above-mentioned spring coil formula prong configuration outer circumference surface, the quantity of deep-slotted chip breaker and position and pin holes is suitable, like this; When pin inserts pin holes; Deep-slotted chip breaker on the pin just in time is positioned at the spiral elastic ring place of pin holes, and deep-slotted chip breaker closely contacts with the internal side diameter of spiral elastic ring, can increase the contact area of pin and spiral elastic ring; Increase through-current capability; Spiral elastic ring can pin contact pin through deep-slotted chip breaker in addition, makes contact pin be not easy from jack, to deviate from, and guarantees the reliability that contact pin is connected with jack.
As preferably, the degree of depth of said deep-slotted chip breaker and the degree of depth of cannelure and the external diameter interference fit that directly makes progress at spiral elastic ring with the helical spring that constitutes spiral elastic ring.Interference fit has guaranteed that contact pin inserts jack rear coil springs circle contact pin and jack are kept enough pressure, can guarantee that the contact between contact pin, spiral elastic ring and the jack is good.
As preferably, the length of said pin and the degree of depth of pin holes are suitable, and the leading section of pin is provided with the taper guide frame.
The beneficial effect of the utility model is: it solved effectively prior art its contact pin of connector and jack contact area little; Be difficult to satisfy the problem of big electric current operating mode; Big electric current connector grafting segment length, big, the baroque problem of volume of prior art have also been solved; The spring ring type jack of the utility model and the contact pin contact area is big, volume is little, simple in structure and can satisfy the operating mode of big electric current, be a kind of connector parts of brand new, have very high practical value.
Description of drawings
Fig. 1 is a kind of structure cutaway view of the utility model spring ring type jack embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is a kind of structural representation of the spiral elastic ring of the utility model.
Fig. 4 is a kind of structural representation after the spiral elastic ring of the utility model launches.
Fig. 5 is a kind of structure cutaway view of the utility model spring ring type jack embodiment 2.
Fig. 6 is a kind of structure cutaway view of the utility model spring ring type jack embodiment 3.
Fig. 7 is a kind of structure cutaway view of the utility model spring ring type jack embodiment 4.
Fig. 8 is a kind of structure cutaway view of the utility model spring ring type jack embodiment 5.
Fig. 9 is a kind of structural representation of the utility model contact pin.
Figure 10 is the another kind of structural representation of the utility model contact pin.
Among the figure: 1. jack body, 2. pin holes, 3. cannelure, 4. spiral elastic ring, 5. helical spring, 6. extension spring, 7. contact pin body, 8. pin, 9. deep-slotted chip breaker, 10. taper guide frame, 11. wiring holes, F. top rake, B. back rake angle.
Embodiment
Pass through embodiment below, and combine accompanying drawing that the embodiment of the utility model technical scheme is further described.
In embodiment as shown in Figure 1; A kind of spring ring type jack comprises the jack body 1 that is provided with circular pin holes 2, wiring hole 11, and the inwall of said pin holes is provided with the cannelure 3 that 1 sliver transvers section takes the shape of the letter U; Be provided with cross section in the cannelure and be circular spiral elastic ring 4; The internal diameter of said spiral elastic ring is less than the aperture (see figure 2) of pin holes, the degree of depth of said cannelure be the helical spring that constitutes spiral elastic ring spiral elastic ring radially top external diameter 60%, the bottom land of cannelure is circular arc; Suitable with the spiral elastic ring of circle; The height of spiral elastic ring is consistent with the width of cannelure, and the helical spring 5 that constitutes spiral elastic ring is oblique spring, and the helical angle size of spiral elastic ring is cyclic variation; Wherein the top rake F of a side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section is 30 degree, and the back rake angle B of opposite side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section is 15 degree (seeing Fig. 3 Fig. 4).
As shown in Figure 9 with the contact pin that present embodiment spring ring type jack is suitable; Comprise the contact pin body 7 that is provided with circular pin 8, wiring hole 11; Described pin is provided with a deep-slotted chip breaker 9 around the pin outer circumference surface; The length of pin and the degree of depth of pin holes are suitable, and the leading section of pin is provided with taper guide frame 10, and the cannelure in the pin holes of the position of deep-slotted chip breaker and embodiment 1 is suitable; The degree of depth of deep-slotted chip breaker and the degree of depth of cannelure and the external diameter interference fit that directly makes progress at spiral elastic ring with the helical spring that constitutes spiral elastic ring; Be after contact pin inserts jack, the center line of deep-slotted chip breaker and the center line of cannelure at grade, the external diameter that the deep-slotted chip breaker bottom land directly makes progress at spiral elastic ring less than the helical spring of formation spiral elastic ring to the distance of cannelure bottom land.
In embodiment as shown in Figure 52; The cross section of spiral elastic ring is oval; The parallel axes of long axis of ellipse direction and pin holes, the bottom land of said cannelure is curved, with cross section be that oval-shaped spiral elastic ring is suitable; The degree of depth of cannelure be the helical spring that constitutes spiral elastic ring spiral elastic ring radially top external diameter 70%, all the other are identical with embodiment 1.
In embodiment as shown in Figure 63, the inwall of pin holes is provided with 2 cannelures, is provided with cross section in the cannelure and is circular spiral elastic ring, and its rotation direction of spiral elastic ring in two cannelures is opposite.
Shown in figure 10 with the contact pin that present embodiment spring ring type jack is suitable, pin is provided with 2 deep-slotted chip breakers around the pin outer circumference surface, and the cannelure in the pin holes of the position of deep-slotted chip breaker and embodiment 3 is suitable, and all the other are identical with embodiment 1.
In embodiment as shown in Figure 74; The inwall of pin holes is provided with 2 cannelures; Wherein be circular spiral elastic ring near being provided with cross section in the pin holes opening part cannelure, the degree of depth of this cannelure be the helical spring that constitutes spiral elastic ring spiral elastic ring radially top external diameter 80%, being provided with cross section in another cannelure is oval-shaped spiral elastic ring; The parallel axes of long axis of ellipse direction and pin holes; The degree of depth of this cannelure is the helical spring that constitutes spiral elastic ring radially its rotation direction of spiral elastic ring in 90%, two cannelure of top external diameter is opposite at spiral elastic ring that all the other are identical with embodiment 3.
In embodiment as shown in Figure 85; The inwall of pin holes is provided with 2 cannelures; Wherein be circular spiral elastic ring near being provided with cross section in the pin holes opening part cannelure, being provided with cross section in another cannelure is oval-shaped spiral elastic ring, is equipped with extension spring 6 in two spiral elastic rings; Two of said extension spring interconnects the formation circulus, and all the other are identical with embodiment 4.
Except that the foregoing description, 3 or more cannelure and corresponding spiral elastic ring are adopted in the big especially or extra high application scenario of reliability requirement for operating current; Its rotation direction of spiral elastic ring in adjacent two cannelures is opposite at this moment; Cooperate to have 3 or more deep-slotted chip breaker contact pin, can constitute new embodiment, in addition; For some to contact area requirements not high or emphasical plug application scenario easily; The utility model also can use cylindrical contact pin structure, and deep-slotted chip breaker promptly is not set on the contact pin, can constitute new embodiment equally.
When spring ring type jack of the utility model and contact pin thereof use; Because spiral elastic ring has elasticity on the depth direction of cannelure; Therefore can make jack pass through spiral elastic ring and realize that with contact pin extraordinary conduction is connected; Therefore the conductive contact surfaces of jack and contact pin is highly suitable for the workplace of big electric current, because the remarkable increase of contact area significantly greater than versions such as common line spring, hat springs; Under equal through-current capability, can significantly shorten the inserting section length of connector, dwindle the volume of connector.In addition, the spring ring type jack of the utility model processing, assembling are all very simple, connect firmly, and jack has the locking effect to contact pin, therefore can be in the environment use down of vibration.
Claims (10)
1. spring ring type jack; Comprise the jack body that is provided with circular pin holes; It is characterized in that: the inwall of said pin holes (2) is provided with the cannelure (3) that cross section takes the shape of the letter U, and is provided with spiral elastic ring (4) in the cannelure, and the internal diameter of said spiral elastic ring is less than the aperture of pin holes; The height of spiral elastic ring is consistent with the width of cannelure, and the helical spring (5) that constitutes spiral elastic ring is oblique spring.
2. spring ring type jack according to claim 1 is characterized in that: the cross section of said spiral elastic ring is for circular or oval, and the bottom land of said cannelure is curved, and is suitable with described spiral elastic ring.
3. spring ring type jack according to claim 1 is characterized in that: the degree of depth of said cannelure be the helical spring that constitutes spiral elastic ring spiral elastic ring radially top external diameter 60% to 90%.
4. spring ring type jack according to claim 1 is characterized in that: the inwall of said pin holes is provided with 1 cannelure.
5. spring ring type jack according to claim 1 is characterized in that: the inwall of said pin holes is provided with the cannelure more than 2, and its rotation direction of spiral elastic ring in adjacent two cannelures is opposite.
6. spring ring type jack according to claim 1; It is characterized in that: the helical angle size of said spiral elastic ring is cyclic variation; Wherein the top rake (F) of a side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section be 15 degree to 45 degree, to be 5 degree spend to 25 the back rake angle (B) of opposite side spring wire between projection line on the horizontal plane and spiral elastic ring shaft section.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described spring ring type jacks, it is characterized in that: also be provided with extension spring (6) in the spiral elastic ring, two of said extension spring interconnects the formation circulus.
One kind with the suitable contact pin of the described spring ring type jack of claim 1; Comprise the contact pin body that is provided with circular pin; It is characterized in that: described pin (8) is provided with the deep-slotted chip breaker (9) around the pin outer circumference surface, and the cannelure in the quantity of deep-slotted chip breaker and position and the pin holes is suitable.
9. contact pin according to claim 8 is characterized in that: the degree of depth of said deep-slotted chip breaker and the degree of depth of cannelure and the external diameter interference fit that directly makes progress at spiral elastic ring with the helical spring that constitutes spiral elastic ring.
10. according to Claim 8 or 9 described contact pins, it is characterized in that: the length of described pin and the degree of depth of pin holes are suitable, and the leading section of pin is provided with taper guide frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120442661 CN202308438U (en) | 2011-11-10 | 2011-11-10 | Spring ring type jack and contact pin thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120442661 CN202308438U (en) | 2011-11-10 | 2011-11-10 | Spring ring type jack and contact pin thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308438U true CN202308438U (en) | 2012-07-04 |
Family
ID=46377259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120442661 Expired - Lifetime CN202308438U (en) | 2011-11-10 | 2011-11-10 | Spring ring type jack and contact pin thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308438U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522647A (en) * | 2011-11-10 | 2012-06-27 | 浙江中杭电子有限公司 | Spring-ring type inserting hole and inserting needle thereof |
| WO2014142799A1 (en) * | 2013-03-12 | 2014-09-18 | Case Western Reserve University | Asymmetrical-force connector system |
| CN107394289A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | A kind of contact system of battery protection switch |
| WO2022122079A1 (en) * | 2020-12-10 | 2022-06-16 | Harting Electric Stiftung & Co. Kg | High-current plug-in connector, patch cable and plug-in connector system for a rechargeable battery pack |
-
2011
- 2011-11-10 CN CN 201120442661 patent/CN202308438U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522647A (en) * | 2011-11-10 | 2012-06-27 | 浙江中杭电子有限公司 | Spring-ring type inserting hole and inserting needle thereof |
| WO2014142799A1 (en) * | 2013-03-12 | 2014-09-18 | Case Western Reserve University | Asymmetrical-force connector system |
| US10634181B2 (en) | 2013-03-12 | 2020-04-28 | Case Western Reserve University | Asymmetrical-force connector system |
| CN107394289A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | A kind of contact system of battery protection switch |
| WO2022122079A1 (en) * | 2020-12-10 | 2022-06-16 | Harting Electric Stiftung & Co. Kg | High-current plug-in connector, patch cable and plug-in connector system for a rechargeable battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |