CN106877042A - DC plug and its inner tube - Google Patents
DC plug and its inner tube Download PDFInfo
- Publication number
- CN106877042A CN106877042A CN201710184301.8A CN201710184301A CN106877042A CN 106877042 A CN106877042 A CN 106877042A CN 201710184301 A CN201710184301 A CN 201710184301A CN 106877042 A CN106877042 A CN 106877042A
- Authority
- CN
- China
- Prior art keywords
- pipe
- plug
- inner tube
- tailpin
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
-
- 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
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of DC plug and its inner tube, including described inner tube, outer tube and filling insulation tube therebetween, the end of the insulation tube offers resigning breach, the tailpin pipe portion is placed in resigning breach, the production technology of the whole DC plug of simplification, improve production efficiency are set by integrally formed inner tube；Secondly the resigning breach for being opened up on insulation tube end is so that the outer wall of tailpin pipe exposes in the external world, and then facilitates the welding of wire and tailpin pipe, and both fixations are more firm after welding, and the inner tube of the shaping that integrally combines improves whole DC plug transmission performance.
Description
Technical field
The present invention relates to a kind of power connector, more particularly to a kind of DC plug and its inner tube.
Background technology
DC plug is widely used in a kind of low-voltage DC power connector in computer peripheral/consumer electronics.It is existing
DC plug as shown in figure 1, including formed by riveting by mouth pipe 11 and tail pipe 12 inner tube, outer tube 14 and including
Pipe, the injection molding tube 13 filled between outer tube 14 constitute, and tail pipe 12 is partially disposed in the outside in injection molding tube 13 as terminals
Son is connected with wire.DC plug is typically coordinated with DC socket 2 when in use, and DC socket 2 includes center pin 21 and periphery
Contact chip 22, when DC plug 1 is inserted into DC socket 2, center pin 21 connects with mouth pipe 11 and outer tube 14 respectively with contact chip 22
Touch to reach transfer function.The inner tube of above-mentioned DC plug is due to being split setting, electric current connecting portion when inner tube junction is flowed through
Position easily generates heat and produces small deformation, has influence on the transmission of signal.
The content of the invention
First purpose of the invention is to provide a kind of integrally formed DC plug inner tube, improves transmission performance.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of DC plug inner tube, including integrally formed mouth pipe and tailpin pipe, the mouth pipe and tailpin pipe be distributed in ladder and
Both are internal to interconnect to form pin passage, and wherein mouth pipe includes the introduction part positioned at end, and the introduction part is included in cone
Shape and big opening end loudspeaker section outwardly and it is integrally attached to the outer rim and the firm ring that extends radially outwards of loudspeaker section；The tail
Needle tubing includes the closure for closing pin passage.
By using above-mentioned technical proposal, mouth pipe eliminates both assemblings first with tailpin pipe using the mode that is integrally formed
Operation, caloric value reduction, the deformation of inner tube when secondly the junction wall thickness in mouth pipe and tailpin pipe is reduced and causes electric current to pass through
Amount is greatly reduced, and center pin is easily introduced into addition to mouth pipe when the introduction part set by mouth tube end is except grafting, is utilized
Can be coated in the loudspeaker section that taper is set and after the firm Huan centers pin insertion that its outer rim is set, and in introduction part
A separate cavities are formed between inwall and center pin outer wall, electric current is a part of from introduction part by that can be shunted after the pin of center
It is connected with the grounded part on socket by using the firm ring in introduction part, is played a protective role, while can also improves whole
The steadiness of mouth pipe, improves transmission performance on the whole, and the closure on last tailpin pipe sets and avoids in quadric injection mould mistake
Injection molding material is entered into pin passage in journey, influence transmission.
Preferably, the mouth pipe is provided with conical section with the junction of tailpin pipe.
By using above-mentioned technical proposal, mouth pipe improves the pulling capacity of whole inner tube with tailpin pipe in ladder distribution first
Deformation is less likely to occur, connection between the two is improved secondly by the conical section set by the junction of mouth pipe and tailpin pipe
Intensity, further lifts the pulling capacity of inner tube.
Preferably, the diameter ratio of the diameter of the tailpin pipe and mouth pipe is between 0.65 ~ 0.71.
By using above-mentioned technical proposal, mouth pipe is counter-bending stronger than design synthesis to whole inner tube with the diameter of tailpin pipe
The size of degree, non-deformability and pulling capacity, improves the service life of inner tube.
Preferably, said inner tube is uniform wall thickness, and the wall thickness of inner tube is between 0.14 ~ 0.19mm.
By using above-mentioned technical proposal, each portion of inner tube is arranged to big when uniform wall thickness ensures that electric current flows on inner pipe
It is small, improve stability during transmission；Secondly by the wall thickness of inner tube while certain structural strength is ensured, further improve and draw
Pull out force.
Second object of the present invention is to provide a kind of DC plug for transmitting stabilization and safety.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of DC plug, including described inner tube, outer tube and filling insulation tube therebetween, the end of the insulation tube
Resigning breach is offered, the tailpin pipe portion is placed in resigning breach.
By using above-mentioned technical proposal, the production technology of the whole DC plug of simplification is set by integrally formed inner tube, is carried
High efficiency；Secondly on insulation tube end the resigning breach that is opened up so that the outer wall of tailpin pipe exposes in the external world, and then
Both fixations are more firm after facilitating the welding of wire and tailpin pipe, and welding, and the inner tube of the shaping that integrally combines improves entirely
DC plug transmission performance.
Preferably, the insulation tube includes the first linkage section, the second linkage section and the 3rd connection that are sequentially connected
Section, wherein the diameter of the second linkage section is less than the diameter of the first linkage section and the 3rd linkage section and is formed on insulation tube
For the stopper slot of spacing outer tube.
By using above-mentioned technical proposal, it is spacing that stopper slot is formed such that outer tube is obtained in the axial direction, improves outer tube
Pulling capacity, while improving transmission performance.
Preferably, the introduction part be housed in the first linkage section and the end face of introduction part and the first linkage section end
Face flush.
By using above-mentioned technical proposal, loudspeaker in introduction part section and the firm ring for radially extending are increased and insulation
Contact area between pipe, improves the stationarity of inner tube；Secondly because the end face of introduction part and the first linkage section concordantly makes
The contact area with socket inner walls must be increased, and then stability is improved after DC plug is connected with DC socket, reduce both
What DC plug was produced after grafting rocks.
Preferably, the outer tube includes the retainer ring radially extended to insulation tube side from end, the retainer ring
Positioned at the first linkage section and the junction of the second linkage section.
By using above-mentioned technical proposal, the setting of retainer ring is further to improve the upward fixation of outer axial tube while week
Also obtain spacing upwards, improve the pulling capacity of outer tube so that transmission performance gets a promotion.
In sum, the invention has the advantages that：
1st, the production process of whole DC plug is simplified by integrally formed inner tube, secondly insulation tube is in allowing that end is opened up
Position breach enables that tailpin pipe facilitates follow-up wiring in being placed at resigning breach, improves production efficiency, and reduce production
Cost；
2nd, the size of current that inner tube is passed through by setting the inner tube of uniform wall thickness is consistent, while mouth pipe and tailpin pipe
Diameter shows ladder and sets than setting, improves the pulling capacity of inner tube, secondly the spacing stopper slot in insulation tube of outer tube and
The retainer ring that end is set further improve outer tube axial direction and circumference on stationarity, and improve the pulling capacity of outer tube,
Entirety improves the performance transmitted during with socket grafting.
Brief description of the drawings
Fig. 1 is the grafting schematic diagram of DC plug and DC socket in the prior art；
Fig. 2 is the sectional view of DC plug in the present embodiment.
Fig. 3 is the front view of inner tube in the present embodiment；
Fig. 4 is the structural representation of DC plug in the present embodiment.
In figure：1st, DC plug；10th, inner tube；11st, mouth pipe；111st, conical section；112nd, introduction part；1121st, loudspeaker section；1122、
Firm ring；12nd, tailpin pipe；121st, closure；13rd, insulation tube；131st, the first linkage section；132nd, the second linkage section；1321st, it is spacing
Groove；133rd, the 3rd linkage section；1331st, resigning breach；14th, outer tube；141st, retainer ring；15th, pin passage；2nd, DC socket；21st, in
Heart pin；22nd, contact chip.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 2 and Fig. 3, a kind of DC plug 1, including integrally formed inner tube 10, outer tube 14 and inner tube 10 is filled in
With the insulation tube 13 between outer tube 14.
Whole inner tube 10 is uniform wall thickness, and wall thickness is 0.16mm, and there is a contact pin for insertion to lead to for the inside of inner tube 10
Road 15, including stepped distribution mouth pipe 11 and be connected to the tailpin pipe 12 of the one end of mouthful pipe 11, the wherein diameter of mouth pipe 11
The diameter of tailpin pipe 12 is greater than, the diameter of tailpin pipe 12 compares 0.69 with the diameter of mouth pipe 11, and in mouth pipe 11 and tailpin pipe 12
Junction connected by a conical section 111.
Mouth pipe 11 includes the introduction part 112 being arranged far from the one end of tailpin pipe 12, and introduction part 112 includes big opening end outwardly
And tapered loudspeaker section 1121 and the outer rim and the firm ring 1122 that extends radially outwards of loudspeaker section 1121 are integrally attached to,
Loudspeaker 1121 buses of section are 45 ° with the angle a of the axis of inner tube 10.
Tailpin pipe 12 is provided with closure 121 in the one end near conical section 111, and the closure 121 is by flattening tailpin
The outer wall of pipe 12 causes to close pin passage 15.
Insulation tube 13 is formed by pressure injection, including the first linkage section 131, the second linkage section 132 and the 3rd being sequentially connected
Linkage section 133, the diameter of the second linkage section 132 is less than the diameter of the first linkage section 131 and the 3rd linkage section 133 so that
Insulation tube 13 is located on the position of the second linkage section 132 and forms a stopper slot 1321, and described outer tube 14 is spacing in the stopper slot
In 1321, and the both ends of the surface of outer tube 14 are contradicted on the end face of the first linkage section 131 and the 3rd linkage section 133 respectively.
Above-mentioned outer tube 14 is cylindrical, sets the fixation that the side of oriented insulation tube 13 radially extends on end face wherein
Ring 141, the retainer ring 141 not with the wall contacts of inner tube 10.
After the shaping of insulation tube 13, introduction part 112 is located in the first linkage section 131, and the end face of firm ring 1122 with it is exhausted
The end face flush of edge ring；Closure 121 on other tailpin pipe 12 is located in the second linkage section 132.
With reference to Fig. 2 and Fig. 3, the 3rd linkage section 133 offers a resigning breach 1331, and tailpin pipe 12 is partially disposed in this and allows
In the breach 1331 of position, and then facilitate the welding operation of tailpin pipe 12 and wire.The 3rd linkage section 133 is frustum simultaneously, convenient
The pulling capacity of whole DC plug 1 is improved when secondary encapsulated.
When in use, by mouth pipe 11 is toward socket DC2 one end and carries out grafting operation, center pin 21 is from introduction part 112
Enter into pin passage 15, while outer tube 14 is extruded and contradicted each other with contact chip 22 realizes signal transmission.
Pulling capacity is carried out respectively to the DC plug 1 and existing DC plug 1 of the present embodiment below by way of pull-out test
Size test.
Testing tool：Universal tensile testing machine；
Method of testing：DC plug 1 and DC socket 2 are completed first to inserting operation, DC plug 1 and DC socket 2 are installed respectively
Onto the fixed seat of universal tensile testing machine, and start universal tensile testing machine, and record DC plug 1 and divide completely with DC socket 2
From when value of thrust, with group test be carried out continuously three times.
Existing DC is inserted with and the DC plug pull-out test result table 1 in the present embodiment
As it can be seen from table 1 in the present embodiment DC plug 1 by after a series of improvement in the connection fixing with DC socket 2
On get a promotion.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the right of invention.
Claims (8)
1. a kind of DC plug inner tube, it is characterised in that including integrally formed mouth pipe（11）And tailpin pipe（12）, the mouth pipe
（11）With tailpin pipe（12）Interconnect to form pin passage in ladder distribution and both inside（15）, wherein mouth pipe（11）Including
Positioned at the introduction part of end（112）, the introduction part（112）Including tapered and big opening end loudspeaker section outwardly（1121）And
It is integrally attached to loudspeaker section（1121）Outer rim and the firm ring that extends radially outwards（1122）；The tailpin pipe（12）Including with
In closing pin passage（15）Closure（121）.
2. DC plug inner tube according to claim 1, it is characterised in that the mouth pipe（11）With tailpin pipe（12）Connection
Place is provided with conical section（111）.
3. DC plug inner tube according to claim 1, it is characterised in that the tailpin pipe（12）Diameter and mouth pipe（11）
Diameter ratio between 0.65 ~ 0.71.
4. DC plug inner tube according to claim 1, it is characterised in that said inner tube（10）It is uniform wall thickness, inner tube
（10）Wall thickness between 0.14 ~ 0.19mm.
5. a kind of DC plug, it is characterised in that including the inner tube described in any one of claim 1 ~ 4（10）, outer tube（14）And
Filling insulation tube therebetween（13）, the insulation tube（13）End offer resigning breach（1331）, the tailpin
Pipe（12）It is partially disposed in resigning breach（1331）It is interior.
6. DC plug according to claim 5, it is characterised in that the insulation tube（13）Including the first company being sequentially connected
Connect section（131）, the second linkage section（132）And the 3rd linkage section（133）, wherein the second linkage section（132）Diameter be intended to it is small
In the first linkage section（131）And the 3rd linkage section（133）Diameter and in insulation tube（13）On formed for spacing outer tube
（14）Stopper slot（1321）.
7. DC plug according to claim 6, it is characterised in that the introduction part（112）It is housed in the first linkage section
（131）Interior and introduction part（112）End face and the first linkage section（131）End face flush.
8. DC plug according to claim 6, it is characterised in that the outer tube（14）Including from end to insulation tube（13）
The retainer ring that side radially extends（141）, the retainer ring（141）Positioned at the first linkage section（131）With the second linkage section（132）
Junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184301.8A CN106877042A (en) | 2017-03-24 | 2017-03-24 | DC plug and its inner tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184301.8A CN106877042A (en) | 2017-03-24 | 2017-03-24 | DC plug and its inner tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877042A true CN106877042A (en) | 2017-06-20 |
Family
ID=59172977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184301.8A Pending CN106877042A (en) | 2017-03-24 | 2017-03-24 | DC plug and its inner tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877042A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB588110A (en) * | 1944-11-21 | 1947-05-14 | Donald Jackson | Improved bayonet fitting, particularly for a miniature plug and socket coupling for coaxial cables |
| CN2271220Y (en) * | 1996-12-18 | 1997-12-24 | 洪宗兴 | DC plug |
| CN1972029A (en) * | 2006-12-07 | 2007-05-30 | 深圳市和宏实业有限公司 | High shielding coaxial cable plug |
| EP1887661A2 (en) * | 2006-08-07 | 2008-02-13 | AMPHENOL-TUCHEL ELECTRONICS GmbH | Pluggable high tension line |
| CN202094357U (en) * | 2011-07-28 | 2011-12-28 | 惠州比亚迪电子有限公司 | Connecting terminal and plug thereof |
| CN203225385U (en) * | 2012-12-19 | 2013-10-02 | 东莞市恒晋镒电子有限公司 | DC power plug |
| WO2015158845A1 (en) * | 2014-04-17 | 2015-10-22 | Phoenix Contact E-Mobility Gmbh | Socket contact and electric plug connection |
| CN206558743U (en) * | 2017-03-24 | 2017-10-13 | 慈溪市佳晶电子有限公司 | DC plug and its inner tube |
-
2017
- 2017-03-24 CN CN201710184301.8A patent/CN106877042A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB588110A (en) * | 1944-11-21 | 1947-05-14 | Donald Jackson | Improved bayonet fitting, particularly for a miniature plug and socket coupling for coaxial cables |
| CN2271220Y (en) * | 1996-12-18 | 1997-12-24 | 洪宗兴 | DC plug |
| EP1887661A2 (en) * | 2006-08-07 | 2008-02-13 | AMPHENOL-TUCHEL ELECTRONICS GmbH | Pluggable high tension line |
| CN1972029A (en) * | 2006-12-07 | 2007-05-30 | 深圳市和宏实业有限公司 | High shielding coaxial cable plug |
| CN202094357U (en) * | 2011-07-28 | 2011-12-28 | 惠州比亚迪电子有限公司 | Connecting terminal and plug thereof |
| CN203225385U (en) * | 2012-12-19 | 2013-10-02 | 东莞市恒晋镒电子有限公司 | DC power plug |
| WO2015158845A1 (en) * | 2014-04-17 | 2015-10-22 | Phoenix Contact E-Mobility Gmbh | Socket contact and electric plug connection |
| CN206558743U (en) * | 2017-03-24 | 2017-10-13 | 慈溪市佳晶电子有限公司 | DC plug and its inner tube |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |