CN106532311A - Cylindrical plug pin and plug - Google Patents
Cylindrical plug pin and plug Download PDFInfo
- Publication number
- CN106532311A CN106532311A CN201611196243.2A CN201611196243A CN106532311A CN 106532311 A CN106532311 A CN 106532311A CN 201611196243 A CN201611196243 A CN 201611196243A CN 106532311 A CN106532311 A CN 106532311A
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- China
- Prior art keywords
- pin
- pin body
- stage casing
- cylindrical
- cylindrical pin
- Prior art date
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Classifications
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a cylindrical plug pin and a plug. The cylindrical plug pin comprises a conductive section arranged at one end of a plug pin body; the plug pin body is provided with a dividing line convenient for distinction of the middle section and the tail section of the plug pin body; the middle section of the plug pin body forms an insulated encapsulating part, and the tail section forms a wire connecting part; and the hardness of the middle section of the plug pin body is greater than that of the tail section of the plug pin body. According to the cylindrical plug pin and the plug, convenience is brought to the subsequent injection encapsulation of the insulated encapsulating part; and as the hardness of the insulate encapsulating part of the cylindrical plug pin is high, and the corresponding anti-bending property is good, requirements of corresponding anti-pressure tests and drum cylinder tests can be met.
Description
Technical field
The invention belongs to plug pin technical field, and in particular to a kind of cylindrical pin and its plug.
Background technology
Just generally using the cylindrical pin of a class local dielectric, wrap up on such plug base pin our times various countries
Insulator reduces electric shock risk to a great extent, therefore by wide popularization and application.Such plug base pin is generally using real core
The processing mode of pole car system, its waste of material rate are high, and low production efficiency, high cost, while lead content is exceeded, are not reached
European Union environmental protection is required；The making side of the cylinder type contact pin for electrical connection also having disclosed in the patent application of China's Mainland in addition
Method, wherein Application No. 2008100628509, specifically, which is to make hollow seamless cylinder using continuous punching stretch technology
(Guan this step is exactly that copper sheet is made a copper pipe first), then undergauge annealing operation is extruded through high speed rotary grinding, make bottle
Cervical region position (this step be exactly rear by rotate necking down, formed cervical region), bottleneck position because through above-mentioned annealing process (because
Cervical region is obtained by annealing, so hardness is relatively low), cause metal hardness to reduce, cause mechanical strength not reach safety test
Require.
It is appreciated that according to the effect at each position of cylindrical pin, cylindrical pin can be specifically divided into conduction
Section, insulate encapsulated portion and wire connecting portion, and wherein conductive segment is to be conductively connected tactile for jack, and encapsulated portion of insulating is used as the circle
The insulator cladding of Cylindrical prongs, and wire connecting portion is for being electrically connected with outside electric wire.At present, existing circle
Cylindrical prongs, between its encapsulated portion of insulation and wire connecting portion, hardness is consistent, does not separate differentiation, and partial test performance can not expire
Foot is required.
The content of the invention
It is an object of the invention to provide it is a kind of propose for solving above-mentioned technical problem separate, difference of hardness all more
Rationally, test performance more preferably cylindrical pin.
Further object is that proposing a kind of plug with the cylindrical pin.
A kind of cylindrical pin provided by the present invention, it includes the conductive segment located at pin body one end, and described inserts
Script body is provided with demarcations in order to separating between the stage casing of pin body and rear, the stage casing of described pin body
The encapsulated portion of insulation is constituted, described rear constitutes wire connecting portion；And the hardness in the stage casing of described pin body is inserted more than described
The hardness of the rear of script body.
Due to the application of above-mentioned technical proposal, the invention has the advantages that：
The cylindrical pin of the present invention, by being provided with demarcations in order to insert by the pin body of the cylindrical pin
Separating between the stage casing of script body and rear, and the hardness in the encapsulated portion of insulation of the stage casing composition of pin body is more than rear structure
Into wire connecting portion hardness.It has been easy to that injection of the cylindrical pin subsequently to the encapsulated portion of insulating is encapsulated and electric power connection line is slotting
It is located in wire connecting portion.The hardness in the encapsulated portion of insulation of the cylindrical pin is higher, and corresponding bend resistance degree is good, can meet corresponding
Compression test and cylinder fall-down test requirement, and then meet countries in the world the standard of attaching plug support required.
And the hardness of wire connecting portion is relatively low, electric power connection line to plug effect more preferable.
In addition, cylindrical pin according to the above embodiment of the present invention can also have following additional technical characteristic：
Described pin body is in hollow tubular structure.
Change to form obvious demarcations to carry out between the stage casing of described pin body and rear by step
Separate.
The external diameter more than rear in the stage casing of described pin body.
Described conductive segment, the stage casing of pin body and the external diameter of rear are sequentially reduced.
The stage casing of the pin body is formed by extruding undergauge mode, rear shape by way of reducing annealing
Into.
Step lateral surface between the stage casing of the pin body and rear is in arc-shaped.
Outside flange is provided with the opening of described rear.
The external diameter less than rear in the stage casing of described pin body.
The plug of embodiment according to a further aspect of the invention, comprising the cylindrical pin described in any of the above-described embodiment.
The additional aspect and advantage of the present invention will be set forth in part in the description, or be understood by the practice of the present invention
Arrive.
Description of the drawings
Fig. 1 is the structural representation of cylindrical pin provided by the present invention, wherein the wire connecting portion of the cylindrical pin
External diameter is less than the encapsulated portion's external diameter of insulation.
Fig. 2 is the structural representation of cylindrical pin in the present invention, and the external diameter of the wherein wire connecting portion of the cylindrical pin is big
In the encapsulated portion's external diameter that insulate.
Fig. 3 is the corresponding frame for movement schematic diagram of reducing annealing in the present invention.
Fig. 4 is the process chart for preparing cylindrical pin provided by the present invention.
Fig. 5 is the process chart for preparing the cylindrical pin of two round plug standards of 2.5A Europe.
Fig. 6 is test data of the digital display piezometer using the stress test of R1 pressure heads to sample pin.
Fig. 7 is test data of the digital display piezometer using the stress test of R2 pressure heads to sample pin.
Fig. 8 is test data of the digital display piezometer using the stress test of R3 pressure heads to sample pin.
Fig. 9 is test data of the digital display piezometer using the stress test of R4 pressure heads to sample pin.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
The cylindrical pin of Fig. 1, Fig. 2 offer is provided, be can be used to prepare attaching plug support, belonged in attaching plug
Basic device.Generally, cylindrical pin be by conductive excellent copper into.
In one embodiment, a kind of cylindrical pin that Fig. 1 is provided is referred to, it is wrapped located at 10 one end of pin body
Conductive segment 11, pin body 10 are provided with demarcations in order to separating between the stage casing 12 of pin body and rear 13, insert
The stage casing 12 of script body 10 constitutes the encapsulated portion of insulation, and rear 13 constitutes wire connecting portion；And the hardness in the stage casing 12 of pin body 10 is big
In the hardness of the rear 13 of pin body 10.It is outer with the stage casing 12 of pin body 10 that the other end of pin body 10 is provided with external diameter
The rear 13 of step change can be formed between footpath；The encapsulated portion of insulation that the stage casing 12 of pin body 10 is constituted is for slotting with power supply
Head bracket is connected, the wire connecting portion that rear 13 is constituted with and the electric wire that is connected of attaching plug support connect.Cylindrical pin
Pin body 10 is hollow tubular structure, and now, the front end of its conductive segment 11 is spherical surface body, the as closing of hollow tubular structure
End, the electric wire of attaching plug support connection are plugged in the wire connecting portion of the composition of rear 13.
In this specific embodiment, consider for ease of processing and from mechanical property, the external diameter in the stage casing 12 of pin body 10
The external diameter of rear 13 is greater than, overall preferably, the external diameter of conductive segment 11, the stage casing 12 of pin body and rear 13
It is sequentially reduced.Preferably, the stage casing 12 of pin body 10 is formed by extruding undergauge mode, and rear 13 is made annealing treatment by reducing
Mode is formed.And the stage casing and rear of pin body external diameter difference between the two is greater than equal to 0.05 millimeter.
In another embodiment, a kind of cylindrical pin that Fig. 2 is provided is referred to, it is wrapped located at 10 one end of pin body
Conductive segment 11, pin body 10 is provided with demarcations in order to separating between the stage casing 12 of pin body and rear 13,
The stage casing 12 of pin body 10 constitutes the encapsulated portion of insulation, and rear 13 constitutes wire connecting portion；And the hardness in the stage casing 12 of pin body 10
More than the hardness of the rear 13 of pin body 10.The encapsulated portion of insulation that the stage casing 12 of pin body 10 is constituted is used for and attaching plug
Support is connected, the wire connecting portion that rear 13 is constituted with and the electric wire that is connected of attaching plug support connect.Cylindrical pin insert
Script body 10 is hollow tubular structure, and the front end of its conductive segment 11 is spherical surface body, the as blind end of hollow tubular structure, power supply
The electric wire of plug bracket connection is plugged in the wire connecting portion of the composition of rear 13.
In this specific embodiment, the external diameter of rear 13 is greater than the external diameter in the stage casing 12 of pin body 10, it is preferable that two
External diameter difference between person is greater than equal to 0.05 millimeter.Overall preferably, 11 external diameter of conductive segment and rear 13 is outer
Footpath is all higher than the external diameter in the stage casing 12 of pin body 10.
And in above-described embodiment or some other embodiments, plug for ease of electric wire, referring to Fig. 1 and Fig. 2, the present embodiment institute
Outside flange 14 is provided with the opening of the rear 13 in disclosed cylindrical pin.And flange 14 be specifically configured to it is horn-like
Structure, that is, structure setting of the present embodiment by flange 14, expand the opening of rear 13, are so inserted into external cable
Rear 13 simultaneously realizes the being conductively connected and cylindrical pin between, that is, so it has been easy to the preparation of attaching plug support.
And in above-described embodiment or some other embodiments, the other end of pin body 10 forms external diameter by localized necking
Less than the rear 13 of 10 stage casing of pin body, 12 external diameter.In the present embodiment, the stage casing 12 of the pin body 10 and rear 13
Between step lateral surface be in arc-shaped so that bonding strength between the stage casing 12 of the pin body 10 and rear 13 is high, no
Frangibility.
The plug of embodiment according to a further aspect of the invention, the cylindrical pin comprising any of the above-described embodiment.
Claimed cylindrical pin of the invention is can be seen that from above-described embodiment, by by pin body 10
The step formed between section 12 and rear 13, forms obvious demarcations to carry out separating the encapsulated portion of insulation and wire connecting portion, and
Insulate encapsulated portion hardness more than wire connecting portion hardness, be easy to the cylindrical pin when plug-in power pack support is prepared to pin
The injection in the stage casing 12 of body 10 is encapsulated；And prepare attaching plug support when, when conductive segment 11 be subject to external force collision when,
Step between the stage casing 12 of its pin body 10 and rear 13 can play a part of positioning buffering, and then improve injection it is encapsulated with
Pulling-out force between cylindrical pin, it is therefore prevented that the encapsulated insulation plastic cement rupture on the stage casing 12 of pin body 10 of injection.Should
The hardness in the encapsulated portion of insulation of cylindrical pin is higher, and corresponding bend resistance degree is good, can meet corresponding compression test and rolling
The requirement of cylinder fall-down test, and then meet standard requirement of the countries in the world to attaching plug support.And the hardness of wire connecting portion compared with
It is low, electric power connection line to plug effect more preferable.
Fig. 3, Fig. 4 is referred to, the preparation technology of the cylindrical pin of some embodiments, specifically, which comprises the steps：
A, prepare pin precast body：A kind of cylindrical pin precast body is provided, pin precast body is a hollow cylindrical, and
One end is closed, and definition is conductive segment 11 near a section for closing, and remainder is first Ministry of worker to be added；
B, extruding undergauge：First Ministry of worker's continuous several times to be added are extruded into undergauge, the stage casing 12 and the of pin body 10 is formed
Two Ministry of worker to be added, the stage casing 12 of pin body 10 is between conductive segment 11 and second Ministry of worker to be added；
C, reducing annealing：Second Ministry of worker to be added is carried out into reducing annealing, rear 13 is obtained.
From the foregoing, it will be observed that the stage casing 12 of pin body 10 in the cylindrical pin that is claimed of the present embodiment is specifically squeezing
Compression footpath mode made by, specifically can using stamping machine, it is cold make machine, injection machine, hydraulic press or test machine are treated to first
Processing department continuous several times extrude undergauge, what this employing reducing annealing mode for comparing reason was prepared from, its maximum area
It is not, on the basis of first Ministry of worker's temperature to be added of holding is not enough to form reducing annealing, to carry out extruding what undergauge was formed.
The hardness that the stage casing 12 of pin body 10 in the cylindrical pin can so be obtained is higher, and 12 table of stage casing of pin body 10
Face and edge are more smooth；And the rear 13 in the cylindrical pin is specifically prepared in the way of reducing annealing and is formed
, its hardness is less, and specifically, the hardness in the stage casing 12 of pin body 10 is more than the hardness of conductive segment 11 and rear 13.This
, in the attaching plug support prepared with the cylindrical pin of the present invention, the hardness in the stage casing 12 of its pin body 10 is high for sample,
With good bend resistance degree, the requirement of corresponding compression test and cylinder fall-down test can be so met, can specifically bear
The pressure of 60KG forcing presses, and the surface and edge in the encapsulated portion of the insulation are more smooth so that subsequently it is molded the encapsulated product for obtaining
Its encapsulated saturation of injection is made, and then meets standard requirement of the countries in the world to attaching plug support.
It is appreciated that the construction featuress of the cylindrical pin prepared according to required for which, the pin precast body is hollow copper
Pipe, i.e. by can accordingly prepare hollow cylindrical pin the step of the above.
Wherein, the concrete available copper band of the pin precast body of the present embodiment is prepared.Specifically, the first step, sorting：Choose
Copper strips is placed on feed appliance；Second step, punching stretch：Selected copper strips is delivered to into mould and carried out continuous many by feed appliance
Secondary punching stretch, and obtain the pin precast body of cylinder；3rd step, rear cut flat with：By the cylindrical pin precast body for obtaining
Rear cut flat with, and finally give the pin precast body for meeting length requirement.It is appreciated that carrying out continuously to copper strips
During punching stretch, which has the dimensions requirement per punching stretch together, meets size finally to prepare
The pin precast body of requirement.
In the present embodiment, reducing annealing is specifically realized by the way of friction and Extrusion, specifically, will
Conductive segment 11 is laterally disposed in automatic lathe chuck 21, and is driven by automatic lathe chuck 21 so which rotates at a high speed, then
By draw pullover 22 that is arranging with second Ministry of worker's concentric shafts to be added and can sliding laterally come the opening to second Ministry of worker to be added
Portion carries out friction and Extrusion.It is appreciated that draw pullover 22 is laterally retracted to second Ministry of worker to be added and is treated with the second of high speed rotation
Processing department contacts, and both contact surfaces are because occurring relative motion and frictional heating, and second Ministry of worker to be added is in draw pullover 22
Further indentation, to extrude to second Ministry of worker to be added, and finally give external diameter less than the stage casing 12 of pin body 10 outside
The rear 13 in footpath.It should be noted that when the cylindrical pin for needing to prepare requires that the external diameter of its rear 13 is more than pin body
During the external diameter in 10 stage casing 12, draw pullover 22 can be replaced with contact pin, and adopt in a like fashion, by contact pin extend transversely into
The peristome of second Ministry of worker to be added simultaneously contacts to realize with second Ministry of worker to be added of high speed rotation.It is appreciated that specifically entering
During row reducing makes annealing treatment, its draw pullover 22 is gone forward side by side relative to the transverse shifting of second Ministry of worker to be added of high speed rotation
Row friction and Extrusion back and forth several times, and can finally give the rear 13 for meeting dimensional requirement.
Further, in order to obtain 14 structure of flange of cylindrical pin in the present embodiment, the present invention is in the process for preparing
In, also include reaming flange the step for, specifically with thimble insert rear 13 opening endoporus.Specifically, with it is above-mentioned
The mode of reducing annealing is similar to, and conductive segment 11 is laterally disposed in automatic lathe chuck 21, and is entered by automatic lathe chuck 21
Row drives so that its rotation at a high speed, is then clamped by automatic lathe chuck 21 using the thimble insertion of cone and high speed rotation is driven
The opening endoporus of dynamic rear 13.It is appreciated that above-mentioned thimble is continuously expanded to the opening of the rear 13 of high speed rotation
Hole flanging is acted on, it is also possible to several subjobs back and forth, to reach the flange 14 for finally meeting dimensional requirement.
The preparation method of the cylindrical pin of the present invention, is prepared in the cylindrical pin by way of extruding undergauge
Insulate encapsulated portion, mode of this middle reducing annealing compared to existing technology, the hardness in its encapsulated portion of insulation are higher, in experiment
During, the pressure of 60KG forcing presses can be specifically born, and the surface and edge in the encapsulated portion of the insulation are more smooth so that be follow-up to note
Product its plastics saturation that modeling is obtained is made, and then meets countries in the world the standard of attaching plug support is required.
Refer to Fig. 5, below just prepare the cylindrical pin for meeting two round plug standards of 2.5A Europe, do specific description
Introduce：
The sorting of step A, concrete width of choosing is in 40～46mm, copper strips of the thickness in 0.4～0.6mm, and is placed on
On feed appliance.
The punching stretch of step B, is to carry out continuous six road punching stretch for the copper strips to choosing via step A, and
Form pin semi-finished product A, it will be understood that its external diameter is pin body 10 via the pin semi-finished product A of step B punching stretch formation
The external diameter of middle conductive segment 11.Specifically：First is for copper strips to be first washed into a diameter of 16～24mm circular blank, so
Punching press is drawn into a diameter of 11～13mm, the cylindrical workpiece highly for 6～8mm afterwards, and second is for punching stretch Cheng Zhi
Footpath is 8～11mm, the cylindrical workpiece highly for 10～12.5mm；3rd road is punching stretch into a diameter of 6～8.5mm, height
Spend the cylindrical workpiece for 14.5～16.0mm；It is 18～21mm into a diameter of 5～7mm, highly that 4th road is punching stretch
Cylindrical workpiece；5th road is cylindrical workpiece of the punching stretch into a diameter of 4～6mm, highly for 23～26mm；6th road is
Cylindrical workpiece of the punching stretch into a diameter of 3.94～4.06mm, highly for 35.0～36.0mm, so by way of the six of step B
Road punching stretch has just obtained final pin semi-finished product A, its a diameter of 3.94～4.06mm, is highly 35.0～36.0mm.
Wherein, transmitted with mechanical hand between per pass punching stretch.
The rear of step C cuts flat with, and is particularly used for being cut flat with the rear of pin semi-finished product A, and obtain pin half into
Product B, specifically, pin semi-finished product B its a diameter of 3.94～4.06mm for finally giving, the cylinder highly for 28.0～30.0mm
Shape copper pipe.
The extruding undergauge of step D, being one section to pin semi-finished product B adjacent openings carries out undergauge, particular by continuous
Three road punching press undergauges mode realizing and be formed pin semi-finished product C.Specifically, it is for first for by pin semi-finished product B
Upper opening portion carry out undergauge, the position diameter of top 200mm length is narrowed down to into 3.5mm, at the same time, pin semi-finished product
The overall length of B is changed into 30.8mm；Second is for the upper opening portion of pin semi-finished product B is carried out undergauge again, by top 21.5mm
The position diameter of length narrows down to 3.1mm, and at the same time, the overall length of pin semi-finished product B is changed into 32.0mm；3rd road is for inciting somebody to action
The upper opening portion of pin semi-finished product B carries out undergauge again, and the position diameter of top 22.5mm length is narrowed down to 2.73mm, same with this
When, the overall length of pin semi-finished product B is changed into 33.0mm, and finally obtains pin semi-finished product C.
The reducing annealing of step E：Being one section to pin semi-finished product C adjacent openings carries out reducing annealing, and
Obtain pin semi-finished product D.Specifically, pin semi-finished product C is laterally folded in into automatic lathe chuck first, and by automatic lathe chuck
It is driven so which rotates at a high speed, then by draw set that is arranging with pin semi-finished product C concentric shafts and can sliding laterally
Head specifically with continuous three friction and Extrusions, is realized to pin half carrying out friction and Extrusion to the peristome of pin semi-finished product C
The crowded compressed shape of finished product C peristomes, it is 6mm wherein to extrude depth, and the diameter of extruded parts is narrowed down to from 2.73mm
2.6mm, and form pin semi-finished product D；It is appreciated that after the pin of rotation half is contacted into C with draw pullover at a high speed, which connects
Contact portion can be because of frictional heat so as to soften, and then can reach contracting shape most under the rigid extruding of draw pullover transverse shifting
Whole purpose, and obtain pin semi-finished product D.
The reaming flange of step F：It is the opening endoporus for inserting pin semi-finished product D with thimble, with to tip cutting foot semi-finished product D's
Open end carries out reaming flange, and obtains final pin body 10.Specifically inserted by automatic using the thimble of cone
Lathe dog clamping the opening endoporus of the pin semi-finished product D of high speed rotation driving, specifically carry out continuous three interactions, tool
Body can be worked as after its flange reaches the size of regulation and be exited thimble again, make the open end of pin semi-finished product D reach reaming flange
Effect, finally obtained the pin body 10 required for us, that is, obtain cylindrical pin.
It is appreciated that preparing cylindrical pin using the preparation method of the above, which only needs to adjust institute in each step
Corresponding site of action, and the size quantity of required regulation, you can prepare the cylindrical pin of different size, to meet
Different use demands, here just differ and one illustrate.
Due to the hardness test difficulty of hollow copper rod it is larger, it is difficult to verify.So recommending those skilled in the art to use " pressure instead
Hardness of the stage casing (the encapsulated portion of insulation) of the method for power test " contrast verification pin with rear (wire connecting portion).During test, adopt：
The pressure head of digital display piezometer (pressure that test is pushed), displacement meter (shift value that record is pushed) and different radii is (such as R1=
1mm, R2=2mm, R3=3mm, R4=4mm) being tested.The pin of different size during test, by different depression depths
And different pressure heads, test comparison pressure value.
Such as Fig. 6,7,8,9 respectively using R1, R2, R3, R4 pressure head to 4.0 (contact pin size) * 10.7 (head length) * of Φ
The test data of 2.7 (stage casing diameter) pin.From the figures above as can be seen that under identical depression depths, applying in the middle part of sample
Pressure be consistently greater than sample afterbody pressure, i.e., the hardness at the middle part of sample more than sample afterbody hardness.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of cylindrical pin, it includes the conductive segment located at pin body one end, it is characterised in that：Described pin body
Be provided with demarcations in order to pin body stage casing and rear between separate, the stage casing of described pin body constitutes exhausted
The encapsulated portion of edge, described rear constitute wire connecting portion；And the hardness in the stage casing of described pin body is more than described pin body
Rear hardness.
2. cylindrical pin according to claim 1, it is characterised in that：Described pin body is in hollow tubular structure.
3. cylindrical pin according to claim 1 and 2, it is characterised in that：The stage casing of described pin body and rear
Between change to form obvious demarcations to be separated by step.
4. cylindrical pin according to claim 3, it is characterised in that：The stage casing external diameter of described pin body is more than
The external diameter of rear.
5. cylindrical pin according to claim 4, it is characterised in that：Described conductive segment, the stage casing of pin body and
The external diameter of rear is sequentially reduced.
6. cylindrical pin according to claim 5, it is characterised in that：The stage casing of the pin body is by extruding undergauge
Mode is formed, and the rear is formed by way of reducing annealing.
7. cylindrical pin according to claim 6, it is characterised in that：Between the stage casing of the pin body and rear
Step lateral surface is in arc-shaped.
8. cylindrical pin according to claim 2, it is characterised in that：It is provided with the opening of described rear outside
Flange.
9. cylindrical pin according to claim 5, it is characterised in that：The stage casing external diameter of described pin body is less than
The external diameter of rear.
10. a kind of plug, it is characterised in that：Comprising the cylindrical pin according to claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196243.2A CN106532311B (en) | 2016-12-22 | 2016-12-22 | Cylindrical pin and its plug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196243.2A CN106532311B (en) | 2016-12-22 | 2016-12-22 | Cylindrical pin and its plug |
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| CN106532311A true CN106532311A (en) | 2017-03-22 |
| CN106532311B CN106532311B (en) | 2018-09-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098516A (en) * | 2019-06-04 | 2019-08-06 | 广州市正业塑料模具有限公司 | A kind of charger pin and its production technology |
| CN112701553A (en) * | 2020-12-14 | 2021-04-23 | 慈溪市寅升电器有限公司 | Preparation method of solid power supply pin |
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| CN201112736Y (en) * | 2007-09-11 | 2008-09-10 | 虞寅达 | Contact pin used for electric connection |
| CN101330188A (en) * | 2008-07-01 | 2008-12-24 | 虞寅达 | Method for preparing cylindrical pin for electric connection |
| CN201392923Y (en) * | 2009-04-20 | 2010-01-27 | 杜小兵 | Novel electric appliance plug |
| JP2013206695A (en) * | 2012-03-28 | 2013-10-07 | Auto Network Gijutsu Kenkyusho:Kk | Connection terminal for connector |
| CN104617467A (en) * | 2015-02-05 | 2015-05-13 | 东莞市正好电器有限公司 | Process for manufacturing plug pin |
| CN106159515A (en) * | 2015-04-17 | 2016-11-23 | 江苏健龙电器有限公司 | A kind of with plastic flat pin |
| CN105305128A (en) * | 2015-10-29 | 2016-02-03 | 宁波市鄞州佳迪五金塑胶有限公司 | National standard plug support and manufacturing method thereof |
| CN206340711U (en) * | 2016-12-22 | 2017-07-18 | 虞东升 | Cylindrical pin and its plug |
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| CN110098516A (en) * | 2019-06-04 | 2019-08-06 | 广州市正业塑料模具有限公司 | A kind of charger pin and its production technology |
| CN110098516B (en) * | 2019-06-04 | 2024-01-26 | 广州正业科技有限公司 | Charger pin and production process thereof |
| CN112701553A (en) * | 2020-12-14 | 2021-04-23 | 慈溪市寅升电器有限公司 | Preparation method of solid power supply pin |
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Effective date of registration: 20200717 Address after: Guan Hai Wei Zhen Shen Shi Qiao Cun, Cixi City, Ningbo City, Zhejiang Province Patentee after: Cixi Yinsheng Electric Appliance Co., Ltd Address before: Cixi City, Zhejiang province 315314 Ningbo Guanhaiwei Industrial District No. 998 ancient Shilu Patentee before: Yu Dongsheng |
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