CN111009763A - Elastic pin needle contact mechanism - Google Patents
Elastic pin needle contact mechanism Download PDFInfo
- Publication number
- CN111009763A CN111009763A CN202010050731.2A CN202010050731A CN111009763A CN 111009763 A CN111009763 A CN 111009763A CN 202010050731 A CN202010050731 A CN 202010050731A CN 111009763 A CN111009763 A CN 111009763A
- Authority
- CN
- China
- Prior art keywords
- bullet
- tube
- needle tube
- needle
- rod
- 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.)
- Pending
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Classifications
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
-
- 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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses an elastic pin needle contact mechanism which comprises a needle head, a bullet, a needle tube, a spring and a tube cap, wherein the needle head is provided with a needle hole; the invention adopts the structure of the warhead and the needle tube, the needle tube is provided with the elastic claw and the first convex edge, and the elastic claw is arranged to ensure that the elastic claw and the rod body of the warhead always keep good elastic contact when the warhead slides in the needle tube so as to ensure the reliable transmission of information. The first rib is matched with the groove on the bullet, so that the limit position of the bullet in the needle tube in sliding movement is limited, and the bullet is ensured to slide in the needle tube to any limit position without affecting good contact between the elastic claw and the upper rod body of the bullet. The invention has the advantages of convenient installation, lower cost and reliable information transmission.
Description
Technical Field
The invention relates to an elastic contact element of a radio frequency signal in the technical field of printed circuit boards, in particular to an elastic pin contact mechanism.
Background
With the development of printed circuit board technology, board-to-board connectors with high mounting density, fast mounting, and low cost are increasingly in demand. A series of inter-plate connecting mechanisms in different forms exist in the market, the conventional inter-plate mechanism mostly uses three sets of inter-plate to realize inter-plate floating interconnection, and the inter-plate interconnection is realized by two welding plate connectors and a floating adapter rod, so that the interconnection mode cannot meet the requirement of high-density installation, and the problems of inconvenient installation and high cost exist. The huge market potential of 5G communication can not be satisfied, and for this reason, it is very necessary to design an installation convenient, the cost is lower and the reliable elasticity pin needle contact mechanism of information transmission.
Disclosure of Invention
The invention aims to provide an elastic pin needle contact mechanism aiming at the defects of the prior art, the elastic pin needle contact mechanism adopts a structure of a bullet and a needle tube, an elastic claw and a first convex edge are arranged on the needle tube, and the elastic claw is arranged for keeping good elastic contact with a rod body of the bullet all the time when the bullet slides in the needle tube so as to ensure the reliable transmission of information. The first rib is matched with the groove on the bullet, so that the limit position of the bullet in the needle tube in sliding movement is limited, and the bullet is ensured to slide in the needle tube to any limit position without affecting good contact between the elastic claw and the upper rod body of the bullet. The invention has the advantages of convenient installation, lower cost and reliable information transmission.
The specific technical scheme for realizing the purpose of the invention is as follows:
an elastic pin needle contact mechanism is characterized by comprising a needle head, a bullet, a needle tube, a spring and a tube cap;
the needle tube is a pipe fitting, one end of the tube body is provided with a petal-shaped elastic claw along the axial direction, and the inner wall of the tube body is sequentially provided with a first rib and a second rib;
the bullet head is a rod piece, and the rod piece is sequentially provided with a rod head, a rod body, a rod tail and a groove arranged between the rod body and the rod tail;
the pipe cap is a columnar piece, one end of the pipe cap is provided with a ball head, and the radial direction of the column body is provided with a limiting groove;
the tail end of the rod of the warhead is inserted from one end of the needle tube, the first convex edge of the needle tube is positioned between the grooves of the warhead, and the elastic claw of the needle tube is contacted with the rod body of the warhead;
the tube cap is inserted at the other end of the needle tube, and the limiting groove of the tube cap is clamped with the second convex edge of the needle tube;
the spring is arranged in the needle tube and is positioned between the rod tail of the bullet and the tube cap;
the needle head is arranged on the rod head of the bullet.
The spring is a columnar pressure spring, and both ends of the spring are provided with flat heads.
The end of the elastic claw on the needle tube is provided with an arc inner chamfer.
The invention adopts the structure of the warhead and the needle tube, the elastic claw and the first convex edge are arranged on the needle tube, and the elastic claw is arranged to ensure that the elastic claw and the rod body of the warhead always keep good elastic contact when the warhead slides in the needle tube, so as to ensure the current transmission and the reliable transmission of radio frequency signals. The first rib is matched with the groove on the bullet, so that the limit position of the bullet in the needle tube in sliding movement is limited, and the bullet is ensured to slide in the needle tube to any limit position without affecting good contact between the elastic claw and the upper rod body of the bullet. The invention has the advantages of convenient installation, lower cost and reliable information transmission.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1, the present invention includes a needle 1, a bullet 2, a needle tube 3, a spring 4 and a tube cap 5;
the needle tube 3 is a pipe fitting, one end of the tube body is provided with a petal-shaped elastic claw 33 along the axial direction, and the inner wall of the tube body is sequentially provided with a first convex rib 31 and a second convex rib 32;
the warhead 2 is a rod piece, and the rod piece is sequentially provided with a rod head 21, a rod body 22, a rod tail 23 and a groove 24 arranged between the rod body 22 and the rod tail 23;
the pipe cap 5 is a columnar piece, one end of the pipe cap is provided with a ball head, and the radial direction of the column body is provided with a limiting groove 51;
the rod tail 23 end of the bullet 2 is inserted from one end of the needle tube 3, the first rib 31 of the needle tube 3 is positioned between the grooves 24 of the bullet 2, and the elastic claw 33 of the needle tube 3 is contacted with the rod body 22 of the bullet 2;
the tube cap 5 is inserted at the other end of the needle tube 3, and the limiting groove 51 of the tube cap 5 is clamped with the second rib 32 of the needle tube 3;
the spring 4 is arranged in the needle tube 3 and is positioned between the rod tail 23 of the bullet 2 and the tube cap 5;
the needle 1 is arranged on the rod head 21 of the bullet 2.
Referring to fig. 1, the spring 4 is a columnar compression spring, and both ends of the spring 4 are provided with flat heads 41; the end of the elastic claw 33 on the needle tube 3 is provided with an arc inner chamfer.
The invention is used as follows:
referring to fig. 1, the present invention is used for radio frequency signal connection between two printed circuit boards, a plurality of printed circuit boards are arranged in a bracket connected with plates, the two printed circuit boards are respectively arranged at two sides of the bracket, a plurality of nodes of one printed circuit board are sequentially contacted with a tube cap 5 of the present invention, and a plurality of nodes of the other printed circuit board are sequentially contacted with a needle 1 of the present invention, so that radio frequency signal connection between the two printed circuit boards is realized.
Referring to fig. 1, in order to reduce the scratch or abrasion of the elastic claw 33 on the shaft 22 of the bullet 2, the end of the elastic claw 33 on the needle tube 3 is provided with an arc-shaped inner chamfer.
Referring to fig. 1, in order to facilitate the installation of the spring 4 into the barrel 3 and to keep the spring 4 stable between the tail 23 of the bullet 2 and the cap 5, the present invention provides flat-headed necks 41 at both ends of the spring 4.
Claims (3)
1. An elastic pin contact mechanism is characterized by comprising a needle head (1), a bullet (2), a needle tube (3), a spring (4) and a tube cap (5);
the needle tube (3) is a pipe fitting, one end of the tube body is provided with a petal-shaped elastic claw (33) along the axial direction, and the inner wall of the tube body is sequentially provided with a first rib (31) and a second rib (32);
the bullet head (2) is a rod piece, and the rod piece is sequentially provided with a rod head (21), a rod body (22), a rod tail (23) and a groove (24) arranged between the rod body (22) and the rod tail (23);
the pipe cap (5) is a columnar piece, one end of the pipe cap is provided with a ball head, and a limiting groove (51) is arranged in the radial direction of the column body;
the tail end (23) end of the bullet (2) is inserted from one end of the needle tube (3), the first rib (31) of the needle tube (3) is positioned between the grooves (24) of the bullet (2), and the elastic claw (33) of the needle tube (3) is contacted with the rod body (22) of the bullet (2);
the tube cap (5) is inserted at the other end of the needle tube (3), and the limiting groove (51) of the tube cap (5) is clamped with the second convex rib (32) of the needle tube (3);
the spring (4) is arranged in the needle tube (3) and is positioned between the rod tail (23) of the bullet (2) and the tube cap (5);
the pinhead (1) is arranged on the rod head (21) of the bullet (2).
2. The elastic pin contact mechanism according to claim 1, wherein the spring (4) is a cylindrical compression spring, and both ends of the spring (4) are provided with flat heads (41).
3. The elastic pin contact mechanism according to claim 1, characterized in that the tip of the elastic claw (33) on the needle tube (3) is provided with an inner chamfer of a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050731.2A CN111009763A (en) | 2020-01-17 | 2020-01-17 | Elastic pin needle contact mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050731.2A CN111009763A (en) | 2020-01-17 | 2020-01-17 | Elastic pin needle contact mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111009763A true CN111009763A (en) | 2020-04-14 |
Family
ID=70120806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010050731.2A Pending CN111009763A (en) | 2020-01-17 | 2020-01-17 | Elastic pin needle contact mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111009763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585079A (en) * | 2020-05-28 | 2020-08-25 | 苏州华旃航天电器有限公司 | Integrated pogopin radio frequency connector probe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758682B1 (en) * | 2003-02-13 | 2004-07-06 | Itt Manufacturing Enterprises, Inc. | Pogo contact |
| CN202009101U (en) * | 2011-01-17 | 2011-10-12 | 深圳速联连接器有限公司 | High-precision spring needle connector |
| CN109787012A (en) * | 2019-02-27 | 2019-05-21 | 深圳市泰科汉泽精密电子有限公司 | Spring probe |
| CN110416790A (en) * | 2019-08-09 | 2019-11-05 | 江苏正恺电子科技有限公司 | A kind of elongated degree spring needle conductor of elasticity activity and its forming method with concave inward structure |
-
2020
- 2020-01-17 CN CN202010050731.2A patent/CN111009763A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758682B1 (en) * | 2003-02-13 | 2004-07-06 | Itt Manufacturing Enterprises, Inc. | Pogo contact |
| CN202009101U (en) * | 2011-01-17 | 2011-10-12 | 深圳速联连接器有限公司 | High-precision spring needle connector |
| CN109787012A (en) * | 2019-02-27 | 2019-05-21 | 深圳市泰科汉泽精密电子有限公司 | Spring probe |
| CN110416790A (en) * | 2019-08-09 | 2019-11-05 | 江苏正恺电子科技有限公司 | A kind of elongated degree spring needle conductor of elasticity activity and its forming method with concave inward structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585079A (en) * | 2020-05-28 | 2020-08-25 | 苏州华旃航天电器有限公司 | Integrated pogopin radio frequency connector probe |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |
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| RJ01 | Rejection of invention patent application after publication |