CN208142457U - Expansion type MMCX radio-frequency terminals contact pin - Google Patents
Expansion type MMCX radio-frequency terminals contact pin Download PDFInfo
- Publication number
- CN208142457U CN208142457U CN201820808544.4U CN201820808544U CN208142457U CN 208142457 U CN208142457 U CN 208142457U CN 201820808544 U CN201820808544 U CN 201820808544U CN 208142457 U CN208142457 U CN 208142457U
- Authority
- CN
- China
- Prior art keywords
- mmcx
- contact pin
- external
- frequency terminals
- expansion type
- 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.)
- Active
Links
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to connection terminal technology fields, more particularly to a kind of expansion type MMCX radio-frequency terminals contact pin, it includes the connecting pin for connection wire, the needle bucket end for being inserted into headset main body MMCX base, needle bucket end includes inside contact pin, external staving again, inside contact pin is located in external barrel body, external staving offers at least two lateral card slot, and the front of external staving is provided with inclined flange, and the outer diameter of inclined flange is gradually increased from front to back.By the way that card slot is arranged, makes the MMCX radio-frequency terminals contact pin of the utility model after being inserted into MMCX base, obtain positioning limitation, be not able to rotate；Further, by the way that inclined flange is arranged, expansion type structure is formed, connect the MMCX radio-frequency terminals contact pin of the utility model with MMCX base close-fitting, it is not easy to loosen, swing, thus the case where avoiding intermittence poor contact during user's routine use generation.
Description
Technical field
The utility model relates to connection terminal technology field more particularly to a kind of expansion type MMCX (microminiature RF coaxials
Connector) radio-frequency terminals contact pin.
Background technique
Currently, the earphone of many middle and high ends is that oneself of different wire rod and earphone may be implemented using MMCX Interface design
By arranging in pairs or groups, for the earphone enthusiast for wire rod of liking turning from side to side be strictly it is a kind of it is most saving worry, can directly upgrade setting for wire rod
Meter；Meanwhile MMCX interface also has many advantages, such as that shield effectiveness is good.Specifically, being that earphone wire setting MMCX radio-frequency terminals are inserted
MMCX base is arranged in needle, headset main body, plugs realization between earphone wire and headset main body easily freely.
The MMCX radio-frequency terminals contact pin of prior art earphone wire mainly includes being located at the subsequent company for connection wire
End, the needle bucket end for being used to be inserted into headset main body MMCX base positioned at front are connect, needle bucket end includes inside contact pin, external barrel again
Body, inside contact pin are located in external barrel body, wherein external staving is straight barrel type mostly, after being inserted into MMCX base, easy rotation,
It swings, leads to intermittence poor contact, bring very bad experience in real use to user.
Utility model content
The purpose of this utility model is that providing a kind of expansion type MMCX radio-frequency terminals in view of the deficiencies of the prior art and inserting
Needle makes to be connected firmly after being inserted into MMCX base, it is not easy to the case where rotating, swing, avoiding intermittence poor contact generation.
The purpose of this utility model is realized by following technical measures：
A kind of expansion type MMCX radio-frequency terminals contact pin, including for connection wire connecting pin, for being inserted into headset main body
The needle bucket end of MMCX base, needle bucket end include inside contact pin, external staving again, and inside contact pin is located in external barrel body, external barrel
Body offers at least two lateral card slot, and the front of external staving is provided with inclined flange, the outer diameter of inclined flange from
Front to back is gradually increased.
Further, the rear end of inclined flange is provided at arc-shaped transition, wherein the internal diameter of external staving is 1.5~1.8 millis
Rice, external staving outer diameter be 2.35~2.5 millimeters, the height of card slot is 0.15~0.25 millimeter；The rear portion of external staving is set
It is equipped with curved flanges.
Further, the front of connecting pin is provided with annular groove, and the width of annular groove is 0.5~1 millimeter；Connecting pin
Rear portion is provided with inner end and outer end for connection wire internal core wire.
The utility model beneficial effect is：By the way that card slot is arranged, the MMCX radio-frequency terminals contact pin of the utility model is made to exist
After being inserted into MMCX base, positioning fastening limitation is obtained, cannot be rotated easily；Further, by the way that inclined flange is arranged, expansion is formed
Formula structure connect the MMCX radio-frequency terminals contact pin of the utility model with MMCX base close-fitting, does not allow in user's use process
It easily loosens, swing, thus the case where avoiding intermittence poor contact generation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model.
Fig. 2 is the side structure schematic diagram of the utility model.
Fig. 3 is the positive structure schematic of the utility model.
Fig. 4 is the size marking schematic diagram of the utility model.
Appended drawing reference：11 --- inside contact pin, 12 --- external staving, 121 --- card slot, 122 --- inclined flange,
123 --- at arc-shaped transition, 124 --- curved flanges, 21 --- annular groove, 22 --- inner end, 23 --- outer end.
Specific embodiment
It is right below in conjunction with the attached drawing of the utility model embodiment in order to which the technical solution of the utility model is described in detail
The technical solution of the utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.Based on described the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of the utility model protection
It encloses.
Please refer to Fig. 1~4, the expansion type MMCX radio-frequency terminals contact pin of the utility model, including the company for connection wire
Connect end, the needle bucket end for being inserted into headset main body MMCX base.Needle bucket end includes inside contact pin 11, external staving 12 again.It is internal
Contact pin 11 is located in external staving 12.External staving 12 offers at least two lateral card slot 121, when the utility model
MMCX radio-frequency terminals contact pin is after being inserted into MMCX base, the clamping corresponding with the fixture block in headset main body MMCX base of card slot 121, from
And positioning limitation is obtained, it is able to rotate the MMCX radio-frequency terminals contact pin of the utility model not.The front of external staving 12 is provided with
The outer diameter of inclined flange 122, inclined flange 122 is gradually increased from front to back, expansion type structure is formed, when the utility model
MMCX radio-frequency terminals contact pin is after being inserted into MMCX base, the close-fitting connection corresponding with the MMCX base of headset main body of inclined flange 122,
The generation of the case where to be not easy to loosen, swing, effectively avoid intermittence poor contact.
Preferably, the rear end of inclined flange 122 is provided with 123 at arc-shaped transition, to facilitate the utility model MMCX radio frequency
The plug of terminal needle inserting.Wherein, as shown in figure 4, the internal diameter (D1) of external staving 12 be 1.5~1.8 millimeters, external staving 12
Outer diameter (D2) is 2.35~2.5 millimeters, and the height (H) of card slot 121 is 0.15~0.25 millimeter, and the rear portion of external staving 12 is arranged
There are curved flanges 124, can further improve the stable connection of the utility model；The front of connecting pin is provided with annular groove
21, the width (W) of annular groove 21 is 0.5~1 millimeter, in order to the injection molding fixation etc. of wire rod.The rear portion of connecting pin is provided with
For the inner end 22 and outer end 23 of connection wire internal core wire, to realize the transmission of the signals such as electroacoustic.
As shown in figure 3,121 quantity of card slot that external staving 12 is arranged is preferably 4, limitation can be preferably positioned, is also facilitated
Plug；Certainly, 121 quantity of card slot that external staving 12 is arranged may be 3, also should belong to the protection model of the utility model
It encloses.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
It is logical it will be appreciated by the skilled person that the technical solution of the present invention is modified or equivalently replaced, equal category the utility model
Protection scope.
Claims (5)
1. a kind of expansion type MMCX radio-frequency terminals contact pin, including for connection wire connecting pin, for being inserted into headset main body
The needle bucket end of MMCX base, needle bucket end include inside contact pin (11), external staving (12) again, and inside contact pin (11) is located at external barrel
In body (12), it is characterised in that：External staving (12) offers at least two lateral card slot (121), and external staving
(12) front is provided with inclined flange (122), and the outer diameter of inclined flange (122) is gradually increased from front to back.
2. expansion type MMCX radio-frequency terminals contact pin according to claim 1, it is characterised in that：After inclined flange (122)
End is provided at arc-shaped transition (123), wherein the internal diameter of external staving (12) is 1.5~1.8 millimeters, external staving (12)
Outer diameter is 2.35~2.5 millimeters, and the height of card slot (121) is 0.15~0.25 millimeter；The rear portion of external staving (12) is provided with
Curved flanges (124).
3. expansion type MMCX radio-frequency terminals contact pin according to claim 1 or 2, it is characterised in that：The front of connecting pin is set
It is equipped with annular groove (21), the width of annular groove (21) is 0.5~1 millimeter；The rear portion of connecting pin is provided with for connecting line
The inner end (22) and outer end (23) of material internal core wire.
4. expansion type MMCX radio-frequency terminals contact pin according to claim 3, it is characterised in that：External staving (12) setting
Card slot (121) quantity is 3.
5. expansion type MMCX radio-frequency terminals contact pin according to claim 3, it is characterised in that：External staving (12) setting
Card slot (121) quantity is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808544.4U CN208142457U (en) | 2018-05-28 | 2018-05-28 | Expansion type MMCX radio-frequency terminals contact pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808544.4U CN208142457U (en) | 2018-05-28 | 2018-05-28 | Expansion type MMCX radio-frequency terminals contact pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142457U true CN208142457U (en) | 2018-11-23 |
Family
ID=64314499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820808544.4U Active CN208142457U (en) | 2018-05-28 | 2018-05-28 | Expansion type MMCX radio-frequency terminals contact pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787451A (en) * | 2020-07-23 | 2020-10-16 | 镇江市佰尔得电子有限公司 | Earphone cord and earphone head fixing structure |
-
2018
- 2018-05-28 CN CN201820808544.4U patent/CN208142457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787451A (en) * | 2020-07-23 | 2020-10-16 | 镇江市佰尔得电子有限公司 | Earphone cord and earphone head fixing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208142457U (en) | Expansion type MMCX radio-frequency terminals contact pin | |
| CN108469655A (en) | A kind of LC optical fiber connectors | |
| CN207009725U (en) | A kind of electric energy meter plug terminal | |
| CN212752585U (en) | USB digital signal earphone switching circuit | |
| CN209731282U (en) | A kind of wireless router | |
| CN204906501U (en) | Private plane communication connecting device | |
| CN208690578U (en) | A kind of connector of connecting sound equipment equipment | |
| CN219304961U (en) | Wireless broadband access device | |
| CN208656071U (en) | It is a kind of can transmitting radio frequency signal board to board connector | |
| CN209029631U (en) | A kind of steady phase radio frequency loads in mixture micro- rectangular electric connector | |
| CN207967413U (en) | A kind of splicing type conducting strip | |
| CN109066177B (en) | Portable reassembling type signal switching device | |
| CN203218646U (en) | Universal rotary type radio frequency coaxial connector | |
| CN209017249U (en) | A kind of double plug (Type-C & 3.5mm plug) earphone | |
| CN205282742U (en) | Connecting terminal convenient to peg graft | |
| CN210167598U (en) | SMB type radio frequency coaxial connector | |
| CN201004324Y (en) | An ear hung MP3 | |
| CN215816523U (en) | Hook connector | |
| CN209266736U (en) | DP digital high-definition connector | |
| CN205069961U (en) | Prevent automatic package assembly of connector of short -circuit of terminals | |
| CN109301648A (en) | A kind of 360 degree rotation data cable connector | |
| CN207677136U (en) | Closed type receiver J-Horner | |
| CN210326106U (en) | Two-in-one double-feed line multiband antenna | |
| CN203423287U (en) | Straight type printed board socket used for antenna | |
| CN209592446U (en) | A kind of right-angle antenna terminal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |