CN110459891B - PCB board electric connection stress release and release structure - Google Patents
PCB board electric connection stress release and release structure Download PDFInfo
- Publication number
- CN110459891B CN110459891B CN201910740917.8A CN201910740917A CN110459891B CN 110459891 B CN110459891 B CN 110459891B CN 201910740917 A CN201910740917 A CN 201910740917A CN 110459891 B CN110459891 B CN 110459891B
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- plug
- pin
- male
- pcb
- section
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- 238000003466 welding Methods 0.000 claims description 40
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 206010063659 Aversion Diseases 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 2
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
- H01R12/718—Contact members provided on the PCB without an insulating housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/184—Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a stress release and sustained structure for electric connection of a PCB (printed Circuit Board), which comprises plug connectors which are mutually plugged and butted, wherein one plug connector is connected with the PCB, the plug connector connected with the PCB comprises a pin for transmitting signals, the pin is of a split structure, a stress release point is formed at the joint of the split structure of the pin, the fixed end of the pin is welded with the PCB, and when the two plug connectors are plugged/unplugged and separated, the split structure of the pin can disperse the acting force transmitted by the split structure of the pin to further protect the PCB, so that the system is reliably and stably operated, and the pin of the split structure of the plug connector is easy to install and maintain.
Description
Technical Field
The invention discloses a PCB (printed circuit board) electrical connection stress relief structure, which belongs to the technical field of wiring of circuit boards according to the International Patent Classification (IPC).
Background
PCB boards, i.e. printed circuit boards, also called printed circuit boards or printed wiring boards. Along with the development of industrialization, the requirements on production efficiency are higher and higher, the wire harness connection of the PCB is gradually improved into welding connection from conventional screw connection and cold pressing connection, but the welding connection cannot be stressed excessively due to different wiring modes, otherwise, the damage of the PCB is easily caused, such as the welding of a certain existing product, the PCB is directly connected with a male pin, the male pin is in an integrated structure, the female end is matched with the male pin in a plugging manner, and the stress between the welding end of the pin and the PCB is directly acted due to the existence of contact force during plugging, so that the PCB is damaged.
Therefore, the existing products and the pins can not meet the requirements and can not eliminate the stress, and the inventor designs a design structure of the electric connection stress release and sustained structure of the PCB by long-term study and combination of the welding characteristics of the PCB, and the design structure aims to solve the problem, thereby achieving the effects of releasing the stress and protecting the PCB.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the PCB electric connection stress release structure, and the split design of the PCB welding pins enables the pulling-out acting force to be released in a dispersed way, so that the welding point is not damaged.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a PCB board electricity connects stress release and slowly constructs, includes the plug connector of mutual plug butt joint, and one of them plug connector is connected with the PCB board, and the plug connector of being connected with the PCB board is including the contact pin of transmission signal, the contact pin is split type structure, and the junction of contact pin components of a whole that can function independently forms stress release point, and the stiff end and the PCB board welding of contact pin, when two plug connectors insert/pull out the separation, the split type structure of contact pin can disperse the effort that comes and then protect the PCB board.
Further, the split type structure of contact pin adopts two-section needle body, and one is the contact pin section, and contact pin section passes through tightening up mouth or crown spring cover and connects the cooperation with another welded segment.
Further, the plug-in components of mutual plug-in butt joint are public plug-in components and female plug-in components, and wherein public plug-in components include more than one public contact pin, and each public contact pin all includes contact pin section and welding section, and contact pin section and welding section's one end elastic fit connects, and the welding section other end welds at the PCB board, and when public plug-in components and female plug-in components were plug-in components, contact pin section had the aversion but kept the cooperation connection for the welding section.
Further, the male contact pin section is provided with a tail part, the tail part is provided with a tightening opening, one end of the welding section is inserted into the tightening opening to form a tight fit structure, and the welding section is provided with a limiting part to limit the sleeving depth of the welding section and the contact pin section.
Further, the contact pin section is provided with a head part which is in contact with a female pin of the female plug, the tail part of the contact pin section is a sleeve, more than one notch along the axial direction is arranged on the side wall of the sleeve, the pipe wall between the adjacent notches is contracted towards the center of the pipe to form a tightening port structure, and a limit part is formed at the abrupt change position of the sleeve of the contact pin section so as to be assembled in a pin hole of the corresponding male plug base.
Further, a spring piece is clamped on the male pin section, and the spring piece is contacted and matched with the plug-in unit to achieve the positioning effect.
Further, the elastic sheet is in a general horn shape, the side wall of the elastic sheet is provided with an opening for clamping the matched position of the contact pin section, and the elastic sheet is provided with an opening with a large caliber at one end and a small caliber at the other end along the axial direction.
Further, the male plug-in unit comprises a male plug-in base and a fixing plate, wherein the male plug-in base is arranged on the fixing panel, and more than one needle hole is formed in the male plug-in base and used for assembling the male plug-in pin.
Further, at least one male pin is arranged on the male plug-in, each male pin is welded with the PCB and assembled with the female plug-in, and each male pin is of a split type structure.
The plug connector welded with the PCB is assembled with the other plug connector, and larger insertion/separation pulling force is generated when the two plug connectors are inserted and pulled out, and as the contact pin of the plug connector welded with the PCB adopts a split structure, the force is not concentrated at one point, so that the welding point is not damaged, the reliable operation of the system is more effectively achieved, and the installation and maintenance are easy.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of an embodiment of the present invention.
FIG. 3 is a schematic diagram of male and female terminals according to an embodiment of the present invention.
Fig. 4 is an assembly diagram of male and female terminals according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of a split pin according to an embodiment of the present invention.
Fig. 6 is an exploded view of a split pin according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples: referring to fig. 1 to 6, a stress release structure for electrical connection of a PCB board includes connectors for plugging and butting each other, wherein one connector (male connector 1 or male end) is connected with a PCB board 2, the connector (male connector 1) connected with the PCB board includes a pin (male pin 3) for transmitting signals, the pin is in a split structure, a stress release point 100 is formed at a joint of the split pins, a fixed end of the pin is welded with the PCB board 2, and when the two connectors (male and female connectors 1 and 4 or male and female ends) are plugged/unplugged (plugged or unplugged) and separated, the split structure of the pin can disperse a force transmitted thereby to protect the PCB board 2. The split type structure of the contact pin can adopt a two-section type needle body or a three-section type needle body, and when one of the two-section type needle body is adopted, the contact pin section is in sleeve connection with a tightening port or a crown spring of the other welding section. The plug-in connectors for mutual plugging and butt joint in the invention are a male plug-in connector 1 and a female plug-in connector 4, which can be called as a male end and a female end, wherein the male plug-in connector 1 comprises more than one male pin 3, each male pin 3 comprises a pin section 31 and a welding section 32, one ends of the pin sections 31 and the welding sections 32 are elastically matched and connected, the other ends of the welding sections 32 are welded on the PCB 2, and when the male plug-in connector 1 and the female plug-in connector 4 are plugged in, the pin sections 31 are shifted relative to the welding sections 32 but keep matched and connected. The pin section 31 and the welding section 32 of the male pin 3 are engaged by tightening the mouth or the crown spring. As shown in fig. 5 and 6, the male pin section 31 used in the present invention has a tail portion provided with a tightening opening 310, one end of the welding section 32 is inserted into the tightening opening to form a tight fit structure, and a limiting portion 321 is provided on the welding section to limit the depth of the welding section and the pin section. As shown in fig. 1 to 4, the pin segment 31 has a head portion contacting with a female pin of the female plug-in unit 4, the tail portion of the pin segment 31 is a sleeve, the side wall of the sleeve is provided with more than one notch along the axial direction, the wall between adjacent notches is contracted towards the center of the tube to form a tightening structure, and the abrupt change of the sleeve of the pin segment forms a limit portion 311 for assembling in a pinhole of a corresponding male plug-in base. As shown in fig. 3, 5 and 6, a spring piece 33 is clamped on the pin section 31 of the male pin 3, and the spring piece 33 is in contact fit with the pin section. The spring 33 is generally horn-shaped, and the side wall of the spring has an opening for fastening the mating position of the pin section, and the spring has an opening with a large caliber at one end and a small caliber at the other end along the axial direction. As shown in fig. 3, the spring is assembled between two annular protrusions of the pin segment, the small end of the caliber of the spring is propped against one annular protrusion of the pin segment, and the large end of the caliber of the spring is propped against the corresponding step of the male plug base.
Referring to fig. 1 to 4, a male connector 1 of the present invention includes a male connector base 5 and a fixing plate 6, wherein the male connector base is mounted on the fixing plate 6 by a fixing screw 7, and the male connector base 5 is provided with more than one pin hole for assembling a male connector pin 3. The male plug-in 1 is provided with at least one male pin, such as a combination of two or three male pins, each male pin is welded with the PCB board 2 and assembled with the female plug-in 4, and each male pin is of a split type structure.
The invention discloses a stress release and sustained structure for electric connection of a PCB (printed circuit board). When male and female connectors are mutually plugged and butted, and are plugged/unplugged and separated, a split structure of a contact pin can disperse the transmitted acting force so as to protect the PCB, so that the system is reliable and stable in operation, and the contact pin of the split structure of the connector is easy to install and maintain.
The PCB connection mode in the invention can also be applied to circuit boards or signal boards for electric connection or signal transmission, etc.
The invention is characterized in that:
1. a stress release and sustained structure for PCB electrical connection comprises various structural components, namely a fixing screw, a male plug base, a female pair plug pin section, an elastic sheet, a welding section plug pin and a PCB.
2. Stress release: the male plug base is arranged behind the fixed panel, and the welding section is welded with the PCB; the female end is plugged with the male end, stress directly acts between the welding end of the contact pin and the PCB due to the existence of contact force during plugging, so that the PCB is damaged, and a PCB electrical connection stress release structure is adopted.
3. Two-section welding needle assembly welding: the male end one or more needles and the PCB are welded and assembled with the female plug at the same time, larger plug force is generated, and the PCB is electrically connected with the stress release and release structure, so that the force is not concentrated on one point, the welding point is not easy to damage, the reliable operation of the system is more effectively achieved, and the installation and maintenance are easy.
4. The pin connector is matched with a male plug-in unit (plug-in unit) for use, each male pin 3 of the male plug-in unit 1 is welded with a corresponding welding spot 21 of the PCB 2, a female pin (female pin) of the female plug-in unit is butted with a pin section of the male plug-in pin, and the PCB is matched with the male plug-in unit to realize signal or communication connection.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (9)
1. The utility model provides a PCB board electricity connects stress and releases slow structure which characterized in that: the plug connector comprises plug connectors which are mutually plugged and butted, wherein one plug connector is connected with a PCB, the plug connector connected with the PCB comprises a pin for transmitting signals, the pin is of a split type structure, stress release points are formed at the joint of the split type pins, the fixed ends of the pin are welded with the PCB, and when the two plug connectors are plugged/unplugged and separated, the split type structure of the pin can disperse the transmitted acting force so as to protect the PCB;
the plug-in components of mutual plug-in butt joint are public plug-in components and female plug-in components, and wherein public plug-in components include more than one public contact pin, and each public contact pin all includes contact pin section and welding section, and contact pin section and welding section's one end elastic fit connection, welding section other end welding are at the PCB board, and when public plug-in components and female plug-in components were plug-in components, contact pin section had the aversion but kept the cooperation connection for the welding section.
2. The PCB board electrical connection stress relief structure of claim 1, wherein: the split type structure of contact pin adopts two-section needle body, and one is the contact pin section, and contact pin section passes through tightening up mouth or crown spring cover and connects the cooperation with another welded segment.
3. The PCB board electrical connection stress relief structure of claim 1, wherein: the male contact pin section is provided with a tail part, the tail part is provided with a tightening opening, one end of the welding section is inserted into the tightening opening to form a tight fit structure, and the welding section is provided with a limiting part to limit the sleeving depth of the welding section and the contact pin section.
4. A PCB board electrical connection stress relief structure according to claim 3, wherein: the contact pin section is provided with a head part which is in contact with a female pin of the female plug-in unit, the tail part of the contact pin section is a sleeve, the side wall of the sleeve is provided with more than one notch along the axial direction, the pipe wall between the adjacent notches is contracted towards the center of the pipe to form a tightening port structure, and the abrupt change part of the sleeve of the contact pin section forms a limiting part to be assembled in a pin hole of a corresponding male plug-in base.
5. The PCB electrical connection stress relief structure of claim 3 or 4, wherein: a spring piece is clamped on the male contact pin section, and the spring piece is contacted and matched with the contact pin section to achieve a positioning effect.
6. The PCB electrical connection stress relief structure of claim 5, wherein: the elastic sheet is in a general horn shape, the side wall of the elastic sheet is provided with an opening for clamping the matched position of the contact pin section, and the elastic sheet is opened with one end with a large caliber and the other end with a small caliber along the axial direction.
7. The PCB board electrical connection stress relief structure of claim 1, wherein: the male plug-in unit comprises a male plug-in base and a fixed plate, wherein the male plug-in base is arranged on the fixed plate, and more than one needle hole is formed in the male plug-in base and used for assembling the male plug-in pin.
8. The PCB board electrical connection stress relief structure of claim 1 or 3 or 4 or 6 or 7, wherein: at least one male pin is arranged on the male plug-in unit, each male pin is welded with the PCB and assembled with the female plug-in unit, and each male pin is of a split type structure.
9. The PCB electrical connection stress relief structure of claim 5, wherein: at least one male pin is arranged on the male plug-in unit, each male pin is welded with the PCB and assembled with the female plug-in unit, and each male pin is of a split type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740917.8A CN110459891B (en) | 2019-08-12 | 2019-08-12 | PCB board electric connection stress release and release structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740917.8A CN110459891B (en) | 2019-08-12 | 2019-08-12 | PCB board electric connection stress release and release structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459891A CN110459891A (en) | 2019-11-15 |
| CN110459891B true CN110459891B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740917.8A Active CN110459891B (en) | 2019-08-12 | 2019-08-12 | PCB board electric connection stress release and release structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459891B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648444A (en) * | 1985-04-17 | 1987-03-10 | Halliburton Company | Tensile ring cable head assembly |
| US6997727B1 (en) * | 2003-03-14 | 2006-02-14 | Zierick Manufacturing Corp | Compliant surface mount electrical contacts for circuit boards and method of making and using same |
| CN201796163U (en) * | 2010-09-21 | 2011-04-13 | 深圳市天阳谷科技发展有限公司 | Optical fiber positioning contact pin |
| CN202072787U (en) * | 2011-05-13 | 2011-12-14 | 长春一汽富维高新汽车饰件有限公司 | Electroplating hanger with double inserting and extracting points and double supporting points |
| CN203166161U (en) * | 2013-03-12 | 2013-08-28 | 杭州市电力局 | Plug and charging connector adopting the same |
| CN204231748U (en) * | 2014-09-29 | 2015-03-25 | 何淑芳 | Detachable circuit board |
| CN204467806U (en) * | 2015-03-11 | 2015-07-15 | 广东美的生活电器制造有限公司 | Soy bean milk making machine and coupler thereof |
| CN205790458U (en) * | 2016-04-25 | 2016-12-07 | 北京鑫鑫顺源科技发展有限公司 | A kind of insulated terminal |
| CN206004017U (en) * | 2016-07-27 | 2017-03-08 | 厦门唯恩电气有限公司 | A kind of high current connector |
| CN206516797U (en) * | 2017-03-06 | 2017-09-22 | 杭州伯坦科技工程有限公司 | A kind of jack structure and matched contact pin structure for electric connector |
| CN210111090U (en) * | 2019-08-12 | 2020-02-21 | 厦门唯恩电气有限公司 | PCB board electricity connection stress release structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9431751B2 (en) * | 2014-03-25 | 2016-08-30 | Tyco Electronics Brasil Ltda | Connector having a pin guide for use with a printed circuit board |
-
2019
- 2019-08-12 CN CN201910740917.8A patent/CN110459891B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648444A (en) * | 1985-04-17 | 1987-03-10 | Halliburton Company | Tensile ring cable head assembly |
| US6997727B1 (en) * | 2003-03-14 | 2006-02-14 | Zierick Manufacturing Corp | Compliant surface mount electrical contacts for circuit boards and method of making and using same |
| CN201796163U (en) * | 2010-09-21 | 2011-04-13 | 深圳市天阳谷科技发展有限公司 | Optical fiber positioning contact pin |
| CN202072787U (en) * | 2011-05-13 | 2011-12-14 | 长春一汽富维高新汽车饰件有限公司 | Electroplating hanger with double inserting and extracting points and double supporting points |
| CN203166161U (en) * | 2013-03-12 | 2013-08-28 | 杭州市电力局 | Plug and charging connector adopting the same |
| CN204231748U (en) * | 2014-09-29 | 2015-03-25 | 何淑芳 | Detachable circuit board |
| CN204467806U (en) * | 2015-03-11 | 2015-07-15 | 广东美的生活电器制造有限公司 | Soy bean milk making machine and coupler thereof |
| CN205790458U (en) * | 2016-04-25 | 2016-12-07 | 北京鑫鑫顺源科技发展有限公司 | A kind of insulated terminal |
| CN206004017U (en) * | 2016-07-27 | 2017-03-08 | 厦门唯恩电气有限公司 | A kind of high current connector |
| CN206516797U (en) * | 2017-03-06 | 2017-09-22 | 杭州伯坦科技工程有限公司 | A kind of jack structure and matched contact pin structure for electric connector |
| CN210111090U (en) * | 2019-08-12 | 2020-02-21 | 厦门唯恩电气有限公司 | PCB board electricity connection stress release structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110459891A (en) | 2019-11-15 |
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