CN1224258A - Dual contact banana connector - Google Patents
Dual contact banana connector Download PDFInfo
- Publication number
- CN1224258A CN1224258A CN 98127181 CN98127181A CN1224258A CN 1224258 A CN1224258 A CN 1224258A CN 98127181 CN98127181 CN 98127181 CN 98127181 A CN98127181 A CN 98127181A CN 1224258 A CN1224258 A CN 1224258A
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- Prior art keywords
- contact
- connector
- centre bore
- spring
- sleeve
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Abstract
An electrical connector with a female portion defining a bore having an aperture, and a male portion having an elongated member sized to be received in the bore. The female portion has a first flexible contact and an electrically isolated second rigid contact. The male portion has a first flexible contact and an electrically isolated second rigid contact. The connector may be a banana connector with a barrel spring providing conventional contact, and a separate contact at the tip of the male portion.
Description
The present invention relates to electric connector, particularly relate to the sort of connector that on single connector, has a plurality of independent contacts.
Electric connector generally is used to connect electronic equipment or components and parts.It is that a banana plug lead-in wire all has a line that terminates on the banana plug at each end that a kind of typical connector is arranged.This banana plug has an elongated conducting probe part of curling and to form with the tubular spring, can be with a socket in the probe portion insertion equipment, and allow the conducting sleeve in the socket touch the tubular spring.On the connector of many other types, have many circuits, a plurality of contacts are arranged at each end that goes between.Have shielding construction on other connectors, it has the uniline that is curled into a kind of shielding conductor, and coaxial terminal adapter, is used for keeping the shielding on the link position.
On the panel that exposes on the electronic equipment, have only limited area can be used for gang socket usually.For different purposes often need adopt different connectors on equipment.Yet different connector constructions needs dissimilar connector bodies, will increase the quantity of socket so significantly.For example, except one group of multi-line connector, may also need one group of single line socket.In order to realize cooperating, must increase the quantity of socket, will increase the area of panel like this.
Embodiments of the invention can overcome these restrictions, and a socket part is provided on the connector that is provided, and it defines the centre bore with a window, and the plug portion with elongated layout, and its size can be received in the centre bore.The second rigidity contact that has the first flexible contact and electric insulation in the socket part.The second rigidity contact that has the first flexible contact and electric insulation in the plug portion.This connector is a kind of banana plug connector, constitutes common contact with a tubular spring, and an independently contact is arranged at the top of plug portion.
Fig. 1 is according to the right perspective view of the connector of a most preferred embodiment of the present invention.
Fig. 2 is the side cross-sectional view of a plug element of the connector centering among Fig. 1.
Fig. 3 is the side cross-sectional view of a socket element of the connector centering among Fig. 1.
Fig. 4 is that view is surveyed in the cross section of connector under mated condition of Fig. 1.
Deconcentrator shown in Figure 1 or two-way banana plug connector have one to 10 and are connected to the plug portion 12 of lead-in wire on 14, and according to the panel that is used for the equipment that is connected to mentioned above, base, or a socket part 16 on the printed circuit board (PCB).Lead-in wire is connected to a probe (not shown), and probe can touch on the device that needs to test in the equipment that socket connector is housed.
Fig. 2 has represented the details of plug.Plug has the insulation crust 20 of plastics, and its name section all is elongated tubulose.A mask segments 22 ends at the free end 24 of plug.Screen is the cylinder of a thin-walled, is used for protecting an elongated conductive plug element 26 that is contained in its inside coaxially.The engaged section 28 of shell has an outer surface netted or with ribbing and the exit portion 30 with flexible perforation, and 14 provides a passage for going between.
In plug body centre bore 34, comprise an elongated end centre bore part 50 near its end.Partly receive a plastic sleeve 52 with the end centre bore, its centre bore is smaller, and coaxial with main center hole 34.The edge 54 that enlarges on the sleeve has limited the insertion amount of sleeve in centre bore, and its external diameter is greater than the end of metal master 32.
Rigid conductive nail 56 with a major part 60 and an elongated handle 62 is received in the centre bore 34.This handle extends to the total length of centre bore always, and the ledge 64 of its extension has surpassed the end of hinge fraction 42 of main body of the mate inside of shell.The head of nail is placed in the edge 54 of sleeve 52, and its diameter is substantially equal to the diameter at edge, and its length is less than half of its diameter, and peripheral edge is 1/4th radiuses.On the axle of nail, have insulating coating, be used for preventing near jag, electrically contacting in the formation of plug body centre bore.The free end of nail is absorbed in from the free end 24 of shell, in order to avoid touch finger tip.
Lead-in wire 14 has two leads 66.70.Lead 66 is electrically connected on the conductive shield that is used for being full of with the mate of the flexible plug body of rigid support, and is sandwiched in around the hinge fraction 42 of conductive plug main body.Lead 70 is connected to the jag 64 of nail 56.
Fig. 3 represents the socket part 16 in the hole 72 of the printed circuit board (PCB) 74 in the equipment of being installed in.Socket is a firm cylindrical body of being made by the rigid insulation plastics, has a plurality of ribs along its length direction local extension on its columnar outer surface 76, and these ribs terminate in shoulder 80, withstand circuit board surface on the position of shoulder.In socket, define a centre bore 82 and a looping pit 84 coaxial, and almost extend to the total length of socket with centre bore.Cylindrical shape projection with a free end 85 defines centre bore 82, and is surrounded by hole 84.
In the socket centre bore, place two independently electric contacts.The conducting sleeve contact 86 of rigidity closely is received in the main part of centre bore, withstands a shoulder in the centre bore on the position of sleeve ends 90.Be slightly less than the end 94 of socket centre bore by the diameter of the sleeve centre bore 92 that sleeve limited.Sleeve stretches in the centre bore dearly, can form with the banana plug connector of a standard to contact when inserting.
The darkest position has the cavity 96 of an expansion in the socket centre bore.Come the base of closed cavity with a cover plate 100, when installing sleeve, do not have this cover plate, just install then and fix, be used for the blocked center hole.The flat base of spring is installed in and covers, and has from the upwardly extending a pair of opposed edges of pedestal.Spring arm is the substantially parallel leaf spring of opposite tilt a little each other.Free end at spring is crooked in the other direction each other, so that insert a plug element smoothly between the edge.The spring arm of straight line extends to the end always, under situation about not stressing, roughly forms the narrowest gap between the spring arm at bending point 104 places.Sleeve contact 86 and spring contact 82 are electrically connected to respectively on the plate 74, perhaps are connected to other circuit in the equipment.
Fig. 4 represents separately lead-in wire and equipment are electrically connected plug and socket part on the plug that cooperates.When cooperating fully, the free end 85 of socket withstands the shoulder 40 of plug body.Mask segments 22 is received in the looping pit 84.Plug body 32 is fully inserted in the centre bore, allows on the tubular spring element the wideest position align with the centre position of sleeve 86.The free end of spring wall 102 extends to the position of aiming at the plug body end; Because free end expands outwardly, and has avoided the contact between spring and the main body.Because the diameter of nail head 60 is substantially equal to the length of spring pedestal, the degree of depth that head inserts between the spring arm end makes spring arm be deployed into parastate just over bending point 104.The free end of spring is further expanded outwardly from plug body, and guarantee that it touches nail head rather than plug sleeve 52.Constituted with the contacting of tubular spring-main contact of individual high current capacity, and the contact of nail head is applicable to the signal or the logic of low current.
In the above-described embodiment, the size of many connecting elements all is compatible or identical with the common standard banana plug connector of military specification A-A-55468 regulation; The nail head contact of plug is different with the connector of standard with corresponding socket spring 102.In the above-described embodiments, the length of the cylindrical portions may 36 of plug body 32 is 18.542mm, the minimal compression diameter of tubular spring is 4.064mm, and the maximum gauge when the tubular spring is not compressed is 4.572mm, is 10.49mm with shoulder 40 at a distance of the wideest point on the spring.The length of tubular spring is 12.065mm, and the gap of it and shoulder is 4.318mm.The required space of nail head contact for full-length that insulating sleeve and most preferred embodiment are provided, the cylindrical shape part 36 of plug body is only extended 16.383mm from shoulder, sleeve edges is increased 1.016mm again, and on nail head, increase a terminal 1.143mm.
The diameter of nail head is 3.81mm, and the flange diameter on the sleeve edges is 3.683mm.In socket, the length of sleeve 86 is 10.414mm, and the free end 85 of it and socket is at a distance of 4.064mm.The inside diameter of sleeve is 4.064mm.
Because adopted the banana plug specification of standard, the each several part of above-mentioned connector can be used with the single line plug banana plug or the socket of standard.Second nail head/socket spring contact can leave unused, and only uses main tubular spring/sleeve contact.Therefore, the single socket on the device panel can be respectively applied for two circuits or separately connect, and for example can be used for the thermocouple or the lead-in wire of shielded signal, can also be used for the socket of the common banana plug lead-in wire of other purposes simultaneously.So just can reduce socket quantity required when being used for connecting given logarithm and single line significantly.
Although the present invention takes the mode of most preferred embodiment to describe, be not limited only to this.
Claims (20)
1. an electric connector comprises:
A main body;
An elongated member that goes out along a parts shaft extension on the main body;
First electric contact has a flexure spring in its middle part along elongated member;
Spring can be radially compressed to a compression position from an expanded position;
The spring that is in expanded position vertically leaves the parts axle and extends to first radial distance;
The spring that is in compression position extends to less second distance from the parts axle;
Spring is in expanded position usually when not being subjected to external force; And
Be located at the free end of elongated member and second electric contact that insulate with first electric contact, the 3rd radial distance that extend from the parts axle periphery of second electric contact is less than above-mentioned second radial distance, allow second electric contact can pass through the sleeve of a mating connector, the size of mating connector can receive above-mentioned spring and it is compressed to compression position.
2. according to the connector of claim 1, it is characterized in that aforementioned body comprises a pair of independent conductors on the contact that is connected to separately separately.
3. according to the connector of claim 1, it is characterized in that above-mentioned spring is a tubular spring.
4. according to the connector of claim 3, it is characterized in that the tubular spring on expanded position with parts axle radius maximum apart, the free end of distance members is than nearer apart from main body, allow parts can with have a socket connector that is absorbed in the sleeve contact in the centre bore deeply and cooperate, prevent unnecessary contact.
5. according to the connector of claim 1, it is characterized in that second contact is a stiffener.
6. according to the connector of claim 1, it is characterized in that elongated member defines an axial centre bore, and second contact is connected on the conductor that is received in the centre bore.
7. according to the connector of claim 1, it is characterized in that the length that second contact is exposed is limited in less than its diameter.
8. according to the connector of claim 1, it is characterized in that comprising a socket connector part, it defines a centre bore with the window that is used for receiving elongated member, in centre bore with window at a distance of a conducting sleeve that is used for contacting first contact of first distance, and in centre bore with window at a distance of a bigger second distance and be used for contacting second receptacle contact of second contact.
9. according to the connector of claim 8, it is characterized in that sleeve is a rigidity.
10. according to the connector of claim 8, it is characterized in that inside diameter that sleeve limits allows second contact can freely pass through sleeve when inserting and extract out greater than the diameter of second contact.
11. an electric connector comprises:
A socket part, it defines the centre bore with a window;
A plug portion, the size of its elongated member can be received in the centre bore;
The second rigidity contact that has the first flexible contact and electric insulation on the socket part; And
The second rigidity contact that has the first flexible contact and electric insulation on the plug portion.
12. according to the connector of claim 11, it is characterized in that the first flexible contact of plug portion is a tubular spring, and the rigidity contact of socket part is a sleeve, its size can receive the tubular spring.
13., it is characterized in that the rigidity contact of plug portion is on the free end of elongated member according to the connector of claim 11.
14. connector according to claim 13, the flexible contact that it is characterized in that socket part is a spring that is arranged in centre bore, the residing depth location of its residing depth ratio socket rigidity contact is darker, thereby makes plug rigidity contact only touch the flexible contact of socket.
15., it is characterized in that the gentle contact of giving birth to of socket part comprises a thin plate springs according to the connector of claim 11.
16. according to the connector of claim 11, it is characterized in that socket part rigidity contact to the distance of the flexible contact of socket part less than distance to the centre bore window.
17. an electric connector comprises:
A main body, it defines the elongated center hole with a window;
Be contained in the centre bore and the first sleeve contact of a conduction coaxial with it;
The position of first contact is in the middle part of centre bore away from window; And
Distance between second spring contact of a conduction that is contained in the centre bore and separates with first contact, it and window is greater than the distance of first contact.
18., it is characterized in that first sleeve is a stiffener according to the connector of claim 16.
19. connector according to claim 17, it is characterized in that a spring section that the first sleeve centre bore has first diameter, second spring contact is within the limited radius with the centre bore axis, this limited radius is less than half of sleeve center-hole diameter, the plug connector of selected diameter less than the sleeve centre bore can be inserted in the centre bore, make it touch spring contact.
20. according to the connector of claim 16, it is characterized in that the first sleeve centre bore has first diameter and comprise at least two thin plate springs arms on spring contact, its distance at interval is less than above-mentioned first diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98127181 CN1224258A (en) | 1997-12-10 | 1998-12-10 | Dual contact banana connector |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/988500 | 1997-12-10 | ||
| CN 98127181 CN1224258A (en) | 1997-12-10 | 1998-12-10 | Dual contact banana connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1224258A true CN1224258A (en) | 1999-07-28 |
Family
ID=5229861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98127181 Pending CN1224258A (en) | 1997-12-10 | 1998-12-10 | Dual contact banana connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1224258A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004008586A1 (en) * | 2002-06-26 | 2004-01-22 | Hongbin Zhang | A banana plug |
| CN102914672A (en) * | 2011-08-03 | 2013-02-06 | 特克特朗尼克公司 | Self-retaining via probe |
| CN103378438A (en) * | 2012-04-25 | 2013-10-30 | 胡正宇 | Spark-proof plug |
| CN105337125A (en) * | 2015-11-27 | 2016-02-17 | 深圳供电局有限公司 | Banana plug used for electric secondary terminal jack |
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
| CN116298738A (en) * | 2023-05-24 | 2023-06-23 | 浙江杭可仪器有限公司 | High-voltage test capacitor device |
-
1998
- 1998-12-10 CN CN 98127181 patent/CN1224258A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004008586A1 (en) * | 2002-06-26 | 2004-01-22 | Hongbin Zhang | A banana plug |
| CN102914672A (en) * | 2011-08-03 | 2013-02-06 | 特克特朗尼克公司 | Self-retaining via probe |
| CN103378438A (en) * | 2012-04-25 | 2013-10-30 | 胡正宇 | Spark-proof plug |
| CN103378438B (en) * | 2012-04-25 | 2015-12-09 | 常州市艾迈斯电子有限公司 | Spark-proof plug |
| CN105337125A (en) * | 2015-11-27 | 2016-02-17 | 深圳供电局有限公司 | Banana plug used for electric secondary terminal jack |
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
| CN113517577B (en) * | 2021-06-08 | 2023-03-07 | 平高集团有限公司 | Temperature rise test patch board and temperature rise test connector |
| CN116298738A (en) * | 2023-05-24 | 2023-06-23 | 浙江杭可仪器有限公司 | High-voltage test capacitor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |