CN207009764U - RCA sockets and electronic equipment - Google Patents
RCA sockets and electronic equipment Download PDFInfo
- Publication number
- CN207009764U CN207009764U CN201720824195.0U CN201720824195U CN207009764U CN 207009764 U CN207009764 U CN 207009764U CN 201720824195 U CN201720824195 U CN 201720824195U CN 207009764 U CN207009764 U CN 207009764U
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- CN
- China
- Prior art keywords
- grounding pin
- plug
- pedestal
- plug connector
- earthing contact
- 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 - Fee Related
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Abstract
The utility model discloses the electronic equipment of a kind of RCA sockets and application the RCA sockets, the RCA sockets include pedestal, it is convexly equipped in the pedestal and in the boss of cylinder, it is covered in the metal shell of the outer wall of boss, the pedestal is provided with grounding pin and signal pins, the boss has a jack, the pedestal has an accommodating chamber, the accommodating chamber connects with the jack, moveable plug connector and elastic component are accommodated in the accommodating chamber, the both ends of the elastic component connect the plug connector and the signal pins respectively, the plug connector offers an inserting groove for being used for patchplug, the inserting groove is relative with the jack, the madial wall of the inserting groove is provided with an at least plug contacts, the lateral wall of the plug connector is provided with one first earthing contact.RCA sockets of the present utility model have an ESD protection function, and it is simple in construction, cost is relatively low.
Description
Technical field
It the utility model is related to technical field of electronic equipment, the electricity of more particularly to a kind of RCA sockets and application the RCA sockets
Sub- equipment.
Background technology
RCA (Radio Corporation of American), is referred to as lotus flower socket or AV terminal, also referred to as AV connects
Mouthful, it is most widely used interface in current audio ＆ video equipment, almost all of television set, video disc player class product have this to connect
Mouthful, for analog video, analogue audio frequency, DAB and color difference components transmission etc..
User is inserting Signal plug the moment of RCA sockets, and the energy highest of static electricity on human body, static electricity on human body passes through signal
Plug is delivered to the plug contacts of RCA sockets, then the signal processing chip of electronic equipment is delivered to by plug contacts, and to letter
Number process chip threatens.To prevent ESD (Electro-Static discharge, Electro-static Driven Comb) from damaging electronic equipment
Signal processing chip, traditional RCA sockets can set ESD device between signal pins and grounding pin, when there is Electro-static Driven Comb
During generation, electrostatic charge is released on the ground by ESD device, but sets up ESD device in RCA sockets, has complicated, cost
The defects of higher.
Utility model content
Main purpose of the present utility model is to provide a kind of RCA sockets, it is intended to and make the RCA sockets that there is ESD protection function,
And it is simple in construction, cost is relatively low.
To achieve the above object, the utility model proposes RCA sockets, including pedestal, be convexly equipped in the pedestal and in circle
The boss of cylindricality, the metal shell for being covered in the outer wall of boss, the pedestal is provided with grounding pin and signal pins, described
Grounding pin is located at the pedestal and electrically connected close to the side of the boss, and with the metal shell, the signal pins position
In side of the pedestal away from the boss, the boss has a jack, and the pedestal has an accommodating chamber, the receiving
Chamber is connected with the jack, and moveable plug connector and elastic component, the both ends point of the elastic component are accommodated in the accommodating chamber
The plug connector and the signal pins are not connected, and the plug connector offers an inserting groove for being used for patchplug, described to insert
Access slot is relative with the jack, and the madial wall of the inserting groove is provided with an at least plug contacts, and the lateral wall of the plug connector is set
There is one first earthing contact；When the RCA sockets are in idle condition, first earthing contact is held in the grounding lead
Pin, after the plug inserts the inserting groove, the plug is held in the bottom wall of the inserting groove and drives the plug connector to move
It is dynamic, first earthing contact is separated with the grounding pin.
Alternatively, the metal shell is cylinder-like structure, and the metal shell has a through hole, the boss at least portion
Partial volume is contained in the through hole.
Alternatively, the metal shell and the grounding pin are structure as a whole.
Alternatively, the grounding pin stretches into the accommodating chamber located at one end of the pedestal, and the grounding pin accommodates
The second earthing contact is additionally provided with one end of the accommodating chamber, second earthing contact and the grounding pin are electrically connected with,
First earthing contact supports or departed from second earthing contact.
Alternatively, the plug connector, the elastic component, the plug contacts and first earthing contact are integrated knot
Structure.
The utility model proposes a kind of electronic equipment, the electronic equipment includes above-mentioned RCA sockets, the electronic equipment
Also include signal processing chip, the grounding pin and the signal pins are electrically connected with the signal processing chip.
Alternatively, the signal processing chip has a common ground end and a signal input part, the grounding pin and
The common ground end is electrically connected with, and the signal pins and the signal input part are electrically connected with.
The plug connector of technical solutions of the utility model offer one be used for patchplug inserting groove, the inserting groove it is interior
Side wall is provided with an at least plug contacts, and the lateral wall of the plug connector is additionally provided with one first earthing contact.The both ends of elastic component point
Lian Jie not plug connector and signal pins.When RCA sockets are in idle condition, first earthing contact is held in the grounding lead
Pin；When inserting groove is inserted in the end of plug and contacts the moment of plug contacts, electrostatic is passed successively by plug as caused by human body
Plug contacts, the first earthing contact are transported to, further output, will be quiet by grounding pin to grounding pin through the first earthing contact
Electricity is drained, and so as to avoid electrostatic from transmitting to signal pins, and the signal processing chip of electronic equipment is further transmitted to, to signal
Threat caused by process chip；When plug inserts inserting groove, plug is held in the bottom wall of inserting groove, and plug is held in grafting
When the thrust of the bottom wall of groove is more than the elastic force of elastic component, plug promotes plug connector movement, and drives elastic component to be connected with plug connector
One end movement, elastic component occur elastic deformation, separated to the first earthing contact with grounding pin, plug transmit signal successively
The transmission for the signal processing chip of electronic equipment, realizing signal is transmitted by plug contacts, elastic component and signal pins；When slotting
After head extracts inserting groove, plug connector relies on the spring return original state of elastic component, and the first earthing contact is held in grounding pin.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the utility model RCA jack embodiments；
Fig. 2 is Fig. 1 phantom.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | RCA sockets | 30 | Signal pins |
| 101 | Accommodating chamber | 40 | Plug connector |
| 10 | Pedestal | 401 | Inserting groove |
| 11 | Boss | 4011 | Madial wall |
| 111 | Jack | 4012 | Bottom wall |
| 12 | Metal shell | 41 | Plug contacts |
| 20 | Grounding pin | 42 | First earthing contact |
| 21 | Second earthing contact | 50 | Elastic component |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the requires of the utility model
Protection domain within.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrically connected with；Can be joined directly together, can also be indirectly connected by intermediary, can be the company of two element internals
Logical or two elements interaction relationship, limited unless otherwise clear and definite.For the ordinary skill in the art, may be used
To understand concrete meaning of the above-mentioned term in the utility model as the case may be.
Referring to Fig. 1 to Fig. 2, RCA sockets 100 that the utility model embodiment proposes, including pedestal 10, it is convexly equipped in pedestal 10
And be in the boss 11 of cylinder, be covered in the metal shell 12 of the outer wall of boss 11, pedestal 10 is provided with grounding pin 20 and signal
Pin 30, grounding pin 20 are located at pedestal 10 and electrically connected close to the side of boss 11, and with metal shell 12, signal pins 30
In side of the pedestal 10 away from boss 11, boss 11 has a jack 111, and pedestal 10 has an accommodating chamber 101, accommodating chamber 101
Connected with jack 111, moveable plug connector 40 and elastic component 50, the both ends difference of elastic component 50 are accommodated in accommodating chamber 101
Connect plug connector 40 and signal pins 30, plug connector 40 offers an inserting groove 401 for being used for patchplug, inserting groove 401 with
Jack 111 is relative, and the madial wall 4011 of inserting groove 401 is provided with an at least plug contacts 41, and the lateral wall of plug connector 40 is provided with one
First earthing contact 42；When RCA sockets 100 are in idle condition, the first earthing contact 42 is held in grounding pin 20, and plug is inserted
After entering inserting groove 401, plug is held in the bottom wall 4012 of inserting groove 401 and drives plug connector 40 to move, and makes the first earthing contact
42 separate with grounding pin 20.
The plug connector 40 of technical solutions of the utility model offers an inserting groove 401 for being used for patchplug, inserting groove 401
Madial wall 4011 be provided with an at least plug contacts 41, the lateral wall of plug connector 40 is additionally provided with one first earthing contact 42.Elasticity
The both ends of part 50 connect plug connector 40 and signal pins 30 respectively.Specifically, plug contacts 41, the first earthing contact 42 and signal
Pin 30 electrically connects, and when RCA sockets 100 are in idle condition, the first earthing contact 42 is held in grounding pin 20；Work as plug
End insertion inserting groove 401 and contact the moment of plug contacts 41, the electrostatic as caused by human body transmitted successively by plug to
Plug contacts 41, the first earthing contact 42, through the first earthing contact 42, further output to grounding pin 20, passes through grounding pin
20 drain electrostatic, so as to avoid electrostatic from transmitting to signal pins 30, and are further transmitted to the signal transacting core of electronic equipment
Piece, the threat to caused by signal processing chip；Inserted the moment of plug in user, electrostatic energy highest, and after tens nanoseconds
The energy of electrostatic is drastically reduced, and no longer chip is constituted a threat to, and plug is inserted into plug abutting bottom wall 4012 by user needs milli
Electrostatic, which has been released, after second rank, i.e. plug are fully-inserted finishes, therefore the RCA sockets possess ESD protection function；When plug inserts
Inserting groove 401, plug is held in the bottom wall 4012 of inserting groove 401, and plug is held in pushing away for the bottom wall 4012 of inserting groove 401
When power is more than the elastic force of elastic component 50, plug promotes plug connector 40 to move, and drives one that elastic component 50 is connected with plug connector 40
End movement, elastic component 50 occur elastic deformation, separated to the first earthing contact 42 with grounding pin 20, plug transmit signal according to
It is secondary to be transmitted by plug contacts 41, elastic component 50 and signal pins 30 to the signal processing chip of electronic equipment, realize signal
Transmission；After plug extracts inserting groove 401, plug connector 40 relies on the spring return original state of elastic component 50, and the first ground connection is touched
Point 42 is held in grounding pin 20.
Alternatively, the bottom wall 4012 of inserting groove 401 can be U-typed structure.
Specifically, plug connector 40 and elastic component 50 are contained in pedestal 10, and pedestal 10 can be plastic material, have insulation
Property, electronic equipment is fixedly connected on by pedestal 10, plug connector 40 is tubular structure, and plug connector 40 is movably accommodated in pedestal
10, and plug connector 40 only can axially may move, equal circumscribed on other directions and can not be moved, elastic component 50 can
It is provided with the elastically deformable in the accommodating chamber 101 of pedestal 10, namely pedestal 10 and produces elastically-deformable activity for elastic component 50
Space.
Specifically, metal shell 12 is made up of metal, conductive, and metal shell 12 electrically connects with grounding pin 20,
Grounding pin 20 forms the transmission loop of signal with metal shell 12, has ensured the normal transmission of signal.
Further, metal shell 12 is cylinder-like structure, and the tool of metal shell 12 is provided with a through hole (not indicating), boss 11
It is at least partially housed in through hole.Specifically, boss 11 can be made up of plastic material, have insulating properties, and boss 11 is tied to be cylindric
Structure, boss 11 are used for for plug alignment grafting.
Further, boss 11 and pedestal 10 are structure as a whole.
Further, metal shell 12 and grounding pin 20 are structure as a whole.Specifically, in technical solutions of the utility model
Metal shell 12 and grounding pin 20 are structure as a whole, and structural stability is higher, and easy to process, reduce installation procedure, drop
Low installation cost.
Further, grounding pin 20 stretches into accommodating chamber 101 located at one end of pedestal 10, and grounding pin 10 is contained in receiving
One end of chamber 101 is additionally provided with the second earthing contact 21, and the second earthing contact 21 and grounding pin 20 are electrically connected with, and the first ground connection is touched
Point 42 supports or departs from the second earthing contact 21.
Grounding pin 10 is contained in one end of accommodating chamber 101 and is additionally provided with the second earthing contact in technical solutions of the utility model
21, the second earthing contact 21 is used to abut with the first earthing contact 42, to cause the first earthing contact 42 to depart from grounding pin 20
Recover to abut that the second earthing contact 21 is more smooth, and the second earthing contact 21 and grounding pin 20 electrically connect again afterwards during initial position
Connect, when RCA sockets 100 are in idle condition, the first earthing contact 42 is held in the second earthing contact 21；When the end of plug
Insertion inserting groove 401 simultaneously contacts the moment of plug contacts 41, and electrostatic is transmitted to plug and touched successively by plug as caused by human body
The 41, first earthing contact 42 of point and the second earthing contact 21, and further export to grounding pin 20, will by grounding pin 20
Electrostatic is drained, so as to avoid electrostatic from transmitting to signal pins 30, and be further transmitted to the signal processing chip of electronic equipment and
Signal processing chip is threatened；When the fully-inserted inserting groove 401 of plug, the first earthing contact 42 departs from the second ground connection and touched
Point 21；When plug extracts inserting groove 401, the first earthing contact 42 recovers to supporting the second earthing contact 21.
Preferably, metal shell 12, the earthing contact 21 of grounding pin 20 and second are structure as a whole, and its structural stability is more
Height, and it is easy to process, reduce installation procedure, reduce installation cost.
Further, plug connector 40, elastic component 50, the earthing contact 42 of plug contacts 41 and first are structure as a whole, and it is tied
Structure stability is higher, and easy to process, reduces installation procedure, reduces installation cost.
The utility model also proposes a kind of electronic equipment (not shown), and the electronic equipment includes RCA sockets 100, and the RCA is inserted
The concrete structure of seat 100 is with reference to above-described embodiment, because this electronic equipment employs whole technical sides of above-mentioned all embodiments
Case, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.Its
In, electronic equipment also includes signal processing chip (not shown), and grounding pin 20 and signal pins 30 are and signal processing chip
It is electrically connected with.Specifically, the electronic equipment can be television set, video disc player etc..
Further, signal processing chip has a common ground end (not shown) and a signal input part (not shown),
Grounding pin 20 and common ground end are electrically connected with, common ground end, grounding pin 20 and the metal shell of signal processing chip
12 form the transmission loop of signal, have ensured the normal transmission of signal, and signal pins 30 and signal input part are electrically connected with, plug
The signal of transmission is inputted to signal input part by signal pins 30, to signal processing chip reception processing.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (7)
- A kind of 1. RCA sockets, it is characterised in that including pedestal, be convexly equipped in the pedestal and in cylinder boss, be covered in institute The metal shell of outer wall of boss is stated, the pedestal is provided with grounding pin and signal pins, and the grounding pin is located at the seat Body electrically connects close to the side of the boss, and with the metal shell, and the signal pins are located at the pedestal away from described The side of boss, the boss have a jack, and the pedestal has an accommodating chamber, and the accommodating chamber connects with the jack, Accommodate moveable plug connector and elastic component in the accommodating chamber, the both ends of the elastic component connect respectively the plug connector and The signal pins, the plug connector offer an inserting groove for being used for patchplug, and the inserting groove is relative with the jack, The madial wall of the inserting groove is provided with an at least plug contacts, and the lateral wall of the plug connector is provided with one first earthing contact；Institute When stating RCA sockets and being in idle condition, first earthing contact is held in the grounding pin, and the plug insertion is described to insert After access slot, the plug is held in the bottom wall of the inserting groove and drives the plug connector to move, and makes first earthing contact Separated with the grounding pin.
- 2. RCA sockets as claimed in claim 1, it is characterised in that the metal shell is cylinder-like structure, outside the metal Shell has a through hole, and the boss is at least partially housed in the through hole.
- 3. RCA sockets as claimed in claim 1, it is characterised in that the metal shell and the grounding pin are integrated knot Structure.
- 4. RCA sockets as claimed in claim 1, it is characterised in that the grounding pin stretches into located at one end of the pedestal The accommodating chamber, one end that the grounding pin is contained in the accommodating chamber are additionally provided with the second earthing contact, second ground connection Contact and the grounding pin are electrically connected with, and first earthing contact supports or departed from second earthing contact.
- 5. RCA sockets as claimed in claim 1, it is characterised in that the plug connector, the elastic component, the plug contacts And first earthing contact is structure as a whole.
- 6. a kind of electronic equipment, it is characterised in that the RCA that the electronic equipment is included as described in claim any one of 1-5 is inserted Seat, the electronic equipment also include signal processing chip, the grounding pin and the signal pins with the signal transacting Chip is electrically connected with.
- 7. electronic equipment as claimed in claim 6, it is characterised in that the signal processing chip have a common ground end and One signal input part, the grounding pin and the common ground end are electrically connected with, the signal pins and signal input End is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824195.0U CN207009764U (en) | 2017-07-06 | 2017-07-06 | RCA sockets and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824195.0U CN207009764U (en) | 2017-07-06 | 2017-07-06 | RCA sockets and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207009764U true CN207009764U (en) | 2018-02-13 |
Family
ID=61452637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720824195.0U Expired - Fee Related CN207009764U (en) | 2017-07-06 | 2017-07-06 | RCA sockets and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207009764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021190265A1 (en) * | 2020-03-27 | 2021-09-30 | 深圳市世野科技有限公司 | Rca interface supporting balanced signal transmission |
-
2017
- 2017-07-06 CN CN201720824195.0U patent/CN207009764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021190265A1 (en) * | 2020-03-27 | 2021-09-30 | 深圳市世野科技有限公司 | Rca interface supporting balanced signal transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |