CN112864663B - HDMI connector and electronic equipment with same - Google Patents

HDMI connector and electronic equipment with same Download PDF

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Publication number
CN112864663B
CN112864663B CN202011603572.0A CN202011603572A CN112864663B CN 112864663 B CN112864663 B CN 112864663B CN 202011603572 A CN202011603572 A CN 202011603572A CN 112864663 B CN112864663 B CN 112864663B
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China
Prior art keywords
hdmi connector
pcb
conductive terminals
groove
positioning
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CN202011603572.0A
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CN112864663A (en
Inventor
陈帅宗
田华仁
封玉玲
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Shanghai Moqin Intelligent Technology Co ltd
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Shanghai Moqin Intelligent Technology Co ltd
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Priority to CN202011603572.0A priority Critical patent/CN112864663B/en
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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
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention discloses an HDMI connector and an electronic device with the HDMI connector, wherein the HDMI connector comprises an HDMI connector and a PCB which are mutually inserted; the HDMI connector comprises a shielding shell, the front end of the shielding shell is provided with an inserting groove, and the bottom of the inserting groove is provided with an inserting part; the end face of the PCB close to the HDMI connector is provided with a positioning groove aligned to the inserting part; when the PCB is inserted into the insertion groove, and the insertion part is inserted into the positioning groove. The invention provides an HDMI connector and an electronic device with the HDMI connector, wherein an inserting part is arranged in a slot of an HDMI connector, and a positioning groove is arranged on a PCB (printed Circuit Board), so that the inserting part can be correspondingly inserted into the positioning groove during inserting, thereby realizing the accurate positioning of the HDMI connector and the PCB, and further ensuring the effective connection between the HDMI connector and the PCB; in addition, the aligning and positioning of the conductive terminals in the HDMI connector and the bonding pads in the PCB are facilitated, and the problem of insufficient soldering which is easy to occur in welding is solved.

Description

HDMI connector and electronic equipment with same
Technical Field
The invention relates to the technical field of connectors, in particular to an HDMI connector and an electronic device with the same.
Background
HDMI (High Definition Multimedia Interface) is a transmission Interface of audio/video combined Multimedia audio/video equipment, and HDMI can transmit High-quality video signals and audio signals up to eight channels without compression, thereby replacing multi-line connection and greatly simplifying complicated procedures during data line connection.
In the prior art, the HDMI clamping plate type male connector welding mode is mainly manual welding or SMT process welding; the manual welding mode has low production efficiency and poor welding consistency, and is easy to cause poor results such as cold joint or tin-sticking short circuit and the like due to structural tolerance; compared with manual welding, the SMT process greatly improves the production efficiency and welding precision, but the problems of poor contact or insufficient welding and the like can still be caused because the conductive terminals in the HDMI connector are difficult to accurately position on the PCB.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an HDMI connector and an electronic device with the same, which solve the problem of poor contact or insufficient soldering of an HDMI clamping plate type male head in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an HDMI connector comprises an HDMI connector and a PCB which are mutually inserted;
the HDMI connector comprises a shielding shell, the front end of the shielding shell is provided with an insertion groove, and the bottom of the insertion groove is provided with an insertion part;
the end surface of the PCB close to the HDMI connector is provided with a positioning groove aligned to the insertion part; when the PCB board is inserted into the insertion groove, and the insertion part is inserted into the positioning groove.
Optionally, the HDMI connector further includes an insulating body disposed in the shielding shell, a plurality of conductive terminals are disposed on a front end surface of the insulating body, and the conductive terminals are arranged in two rows at the front end of the insulating body;
the conductive terminals comprise connecting parts connected with the insulating body, the connecting parts extend outwards to form contact parts, the contact parts are in a convex shape, and in the two rows of conductive terminals, the convex parts of the contact parts are oppositely arranged;
the upper side surface and the lower side surface of the PCB are respectively provided with a plurality of first bonding pads with the same number as the conductive terminals, and the first bonding pads are in one-to-one corresponding contact with the contact parts of the conductive terminals.
Optionally, the contact portion is convex in a circular arc shape.
Optionally, an inclined guide portion is formed by extending one end of the contact portion away from the connection portion, and in the two rows of the conductive terminals, the guide portion is inclined back to back.
Optionally, in the two rows of the conductive terminals, a distance between the opposite contact portions is smaller than a thickness of the PCB at the first pad, so that an interference fit is formed between the conductive terminals and the PCB.
Optionally, the shielding shell includes a left side wall and a right side wall, and front ends of the left side wall and the right side wall extend forward to form insertion parts protruding out of the front end surface of the insulating body respectively;
the front end of the insertion part is provided with two fixing feet which are arranged up and down, and the insertion groove is formed between the two fixing feet.
Optionally, two second pads are respectively arranged on the upper side surface and the lower side surface of the PCB, a partition is formed at the overlapping position of the second pad and the fixing pin, and the thickness of the PCB at the partition position is smaller than or equal to the width of the inserting groove;
when the PCB board is inserted into the insertion groove, the fixing pin is positioned in the partition.
Optionally, the partition is a green oil bridge.
Optionally, an inwards concave positioning hole is formed in the bottom of the insertion groove, an outwards convex positioning part is formed in the bottom of the positioning groove, and the positioning part is embedded into the positioning hole when the PCB is inserted into the insertion groove.
The invention also provides electronic equipment comprising the HDMI connector.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an HDMI connector and an electronic device with the HDMI connector, wherein an inserting part is arranged in a slot of an HDMI connector, and a positioning groove is arranged on a PCB (printed Circuit Board), so that the inserting part can be correspondingly inserted into the positioning groove during inserting, thereby realizing the accurate positioning of the HDMI connector and the PCB, and further ensuring the effective connection between the HDMI connector and the PCB; in addition, the aligning and positioning of the conductive terminals in the HDMI connector and the bonding pads in the PCB are facilitated, and the problem of insufficient soldering which is easy to occur in welding is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic perspective view of an HDMI connector according to the present invention;
fig. 2 is a top view of an HDMI connector according to the present invention;
fig. 3 is a side view of an HDMI connector according to the present invention in a disassembled state.
In the above figures: 10. an HDMI connector; 11. a shielding housing; 111. a left side wall; 112. a right side wall; 12. a fixing leg; 121. inserting grooves; 122. positioning holes; 13. an insulating body; 14. a conductive terminal; 20. a PCB board; 21. positioning a groove; 22. a first bonding pad; 23. a second pad; 231. and (4) separating.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", or "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations and be configured to operate in the specific orientations, and thus, the present invention should not be construed as being limited thereto.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 and fig. 2 in combination, an HDMI connector according to an embodiment of the present invention includes an HDMI connector 10 and a PCB 20 that are plugged into each other.
The HDMI connector 10 includes a shielding shell 11, a hollow accommodating space is provided in the shielding shell 11, and an insulating body 13 is provided in the accommodating space; the front end of the shielding shell 11 is provided with a plug-in slot 121 for the PCB board 20 to be inserted into, and the plug-in slot 121 is transversely arranged, so that the PCB board 20 can be transversely inserted into it. Further, a plugging portion is disposed at the bottom of the plugging groove 121.
The end surface of the PCB 20 close to the HDMI connector 10 is provided with a positioning groove 21 aligned with the insertion part, when the PCB 20 is inserted into the HDMI connector 10, the PCB 20 is inserted into the insertion groove 121, and the insertion part in the insertion groove 121 is inserted into the positioning groove 21, so that accurate positioning of the HDMI connector 10 when inserted into the PCB 20 is realized; when the HDMI connector 10 and the PCB 20 are accurately positioned, the conductive terminals 14 in the HDMI connector 10 can be accurately contacted with the pads of the PCB 20, so as to overcome the problem of cold joint and ensure an effective connection between the HDMI connector 10 and the PCB 20.
Further, in the present embodiment, the shielding shell 11 includes a left sidewall 111 and a right sidewall 112, and front ends of the left sidewall 111 and the right sidewall 112 respectively extend forward and protrude from a front end surface of the insulating body 13 to form the aforesaid plugging portion. Wherein, the front end of the plugging portion is provided with two fixing legs 12, the two fixing legs 12 are arranged up and down, and the plugging slot 121 is formed between the two fixing legs 12. By providing a plugging groove 121 and a plugging portion on the left side wall 111 and the right side wall 112 of the shielding shell 11, respectively, stable support and positioning for plugging of the PCB 20 can be provided.
In addition, the bottom of the insertion groove 121 is provided with an inward-concave positioning hole 122, the bottom of the positioning groove 21 is provided with an outward-convex positioning portion, and when the PCB 20 is inserted into the insertion groove 121, the positioning portion is embedded into the positioning hole 122. The secondary positioning when the HDMI connector 10 is plugged into the PCB 20 is achieved by the engagement of the positioning portion and the positioning hole 122, and the positioning accuracy is further improved.
Two second pads 23 are respectively disposed on the upper and lower sides of the PCB 20, and it can be understood that the second pads 23 are DIP pin pads on the PCB 20, and the arrangement positions of the second pads and the fixing pins 12 have a certain overlapping position due to connection requirements, during the assembly process, the fixing pins 12 may cause the solder paste in the second pads 23 to be removed, and also may cause the fixing pins 12 to be blocked due to the thickness of the solder paste in the second pads 23, so that the PCB 20 cannot be smoothly inserted into the HDMI connector 10.
In order to overcome the foregoing problem, a partition 231 is formed at the overlapping position of the second pad 23 and the fixing pin 12, the thickness of the PCB 20 at the partition 231 is smaller than or equal to the width of the inserting groove 121, and when the PCB 20 is inserted into the inserting groove 121, the fixing pin 12 is located in the partition 231, thereby realizing the smooth insertion of the PCB 20 and the HDMI connector 10.
In the present embodiment, the partition 231 is formed by providing a green oil bridge in the second land 23, and can protect the surface and the wiring of the PCB 20.
Referring to fig. 1 and fig. 3, a plurality of conductive terminals 14 are disposed on the front end surface of the insulating body 13, the conductive terminals 14 are arranged in two rows at the front end of the insulating body 13, and an insertion space is formed between the conductive terminals 14 in the two rows.
The upper and lower side surfaces of the PCB 20 are respectively provided with a plurality of first pads 22 equal to the number of the conductive terminals 14, when the PCB 20 is inserted into the insertion groove 121, the conductive terminals 14 in two rows are respectively in one-to-one corresponding contact with the first pads 22 on the upper and lower side surfaces of the PCB 20.
The conductive terminals 14 include connecting portions connected to the insulating body 13, the connecting portions extend outward to form contact portions, the contact portions are arc-shaped protrusions, and the protrusions of the contact portions of the two rows of conductive terminals 14 are disposed opposite to each other. Further, in the two rows of the conductive terminals 14, the distance between the two opposite contact portions is smaller than the thickness of the PCB board 20 at the first pad 22, so that the conductive terminals 14 and the PCB board 20 form an interference fit. The interference fit between the two rows of conductive terminals 14 and the PCB board 20 is formed to further improve the connection reliability between the HDMI connector 10 and the PCB board 20.
In this embodiment, the one end that connecting portion were kept away from to the contact site extends and is formed with the guide part of slope, and in two rows of conductive terminal 14, the guide part is the slope dorsad for the front end of two rows of conductive terminal 14 forms bevel connection guide structure, plays the guide effect when the PCB board 20 is pegged graft with HDMI connects 10, is favorable to improving the convenience of assembly, and then improves assembly efficiency.
The invention also provides electronic equipment comprising the HDMI connector.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The HDMI connector is characterized by comprising an HDMI connector and a PCB which are mutually inserted;
the HDMI connector comprises a shielding shell, the front end of the shielding shell is provided with an insertion groove, and the bottom of the insertion groove is provided with an insertion part;
the end surface of the PCB close to the HDMI connector is provided with a positioning groove aligned to the insertion part; when the PCB is inserted into the inserting groove, and the inserting part is inserted into the positioning groove;
the PCB board is characterized in that an inwards-concave positioning hole is formed in the bottom of the insertion groove, an outwards-convex positioning part is arranged at the bottom of the positioning groove, and the positioning part is embedded into the positioning hole when the PCB board is inserted into the insertion groove.
2. The HDMI connector of claim 1, wherein the HDMI contact further comprises an insulating body disposed inside the shielding shell, a front end surface of the insulating body is provided with a plurality of conductive terminals, and the plurality of conductive terminals are arranged in two rows at the front end of the insulating body;
the conductive terminals comprise connecting parts connected with the insulating body, the connecting parts extend outwards to form contact parts, the contact parts are in a convex shape, and in the two rows of conductive terminals, the convex parts of the contact parts are oppositely arranged;
the upper side face and the lower side face of the PCB are respectively provided with a plurality of first bonding pads, the number of the first bonding pads is equal to that of the conductive terminals, and the first bonding pads are in one-to-one corresponding contact with the contact parts of the conductive terminals.
3. The HDMI connector as claimed in claim 2, wherein said contact portion is convex in a circular arc shape.
4. The HDMI connector of claim 2, wherein an inclined guiding portion is formed by extending an end of the contact portion away from the connecting portion, and the guiding portion is inclined back to back in the two rows of conductive terminals.
5. The HDMI connector of claim 2, wherein in the two rows of the conductive terminals, a distance between the opposing contact portions is less than a thickness of the PCB at the first pad, such that the conductive terminals and the PCB form an interference fit.
6. The HDMI connector according to claim 2, wherein the shielding shell comprises a left side wall and a right side wall, front ends of the left side wall and the right side wall extend forward to form insertion parts protruding from a front end face of the insulating body respectively;
the front end of the insertion part is provided with two fixing feet which are arranged up and down, and the insertion groove is formed between the two fixing feet.
7. The HDMI connector according to claim 6, wherein two second pads are respectively disposed on the upper and lower sides of the PCB, a partition is formed at the overlapping position of the second pads and the fixing pins, and the thickness of the PCB at the partition position is less than or equal to the width of the inserting groove;
when the PCB board is spliced with the splicing groove, the fixing pin is positioned in the partition.
8. The HDMI connector of claim 7, wherein the break is a green oil bridge.
9. An electronic device characterized by comprising the HDMI connector as recited in any one of claims 1 to 8.
CN202011603572.0A 2020-12-29 2020-12-29 HDMI connector and electronic equipment with same Active CN112864663B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011603572.0A CN112864663B (en) 2020-12-29 2020-12-29 HDMI connector and electronic equipment with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011603572.0A CN112864663B (en) 2020-12-29 2020-12-29 HDMI connector and electronic equipment with same

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CN112864663A CN112864663A (en) 2021-05-28
CN112864663B true CN112864663B (en) 2022-10-04

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116500427A (en) * 2023-06-27 2023-07-28 合肥联宝信息技术有限公司 Power supply connecting device for motherboard test

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204271294U (en) * 2014-07-10 2015-04-15 深圳市显赫科技有限公司 A kind of connector and plug thereof
CN104241891B (en) * 2014-09-04 2017-04-19 深圳市江波龙电子有限公司 Electronic device production method
CN206340697U (en) * 2016-11-23 2017-07-18 巧连科技股份有限公司 USB attachment means
CN109510008A (en) * 2017-09-15 2019-03-22 巧连科技股份有限公司 Board to board connector
CN110137721B (en) * 2018-02-09 2021-01-26 巧连科技股份有限公司 Electric connector structure

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