CN201018149Y - Minitype contact pin connector for great current situation - Google Patents
Minitype contact pin connector for great current situation Download PDFInfo
- Publication number
- CN201018149Y CN201018149Y CNU2006201675912U CN200620167591U CN201018149Y CN 201018149 Y CN201018149 Y CN 201018149Y CN U2006201675912 U CNU2006201675912 U CN U2006201675912U CN 200620167591 U CN200620167591 U CN 200620167591U CN 201018149 Y CN201018149 Y CN 201018149Y
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- Prior art keywords
- contact pin
- upper plate
- socket core
- connector
- small
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- 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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- 241000220317 Rosa Species 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a connector for small scale contact pin in occasions of large current, which comprises an upper plate, a lower plate, a contact pin clamping mechanism and an upper plate translational mechanism. Wherein, the contact pin clamping mechanism is penetrated between the two plates; the upper plate translational mechanism is mounted under the upper plate; the contact pin clamping mechanism is composed of a socket core and a locking sleeve; the locking sleeve is arranged outside the socket core and is fixed on the upper plate. When the upper plate drops, the upper end of the socket core blossoms and opens; when the upper plate rises, the upper end of the socket core enclasps. The greatest character of the utility model is that the contacting resistance is small; therefore, the utility model can avoid the error and even wrong test of the lower voltage and large current module due to large contacting resistance.
Description
Technical field
The utility model relates to a kind of small-sized contact pin connector at big current applications, relate in particular to a kind of be used to connect needs frequent that change, operating current is big and the less small-sized contact pin of diameter connector belongs to electronics connector technical field.
Background technology
At electric and electronic technical field, especially in the research and development and test job of Switching Power Supply, usually need to change the link position that loaded current surpasses the small-sized contact pin of 20A.According to the safety standard of electrician's operation, for loaded current big circuit contact pin like this, changing its electrically connecting position is a thing that needs are very prudent.Often adopt special-purpose contact pin connector to implement to connect in the practice.
But existing contact pin connector belongs to small size type of inserting the spring abutment connector mostly, and they mainly are the occasions of using at little electric current.For the occasion that the big electric current of needs is used, often adopt several small size connectors in parallel or adopt the solution of a large size connector separately in the practice.Bring a lot of restrictions certainly will for so relevant user, make them can not realize indiscriminately ad. as one wishes that desired circuit connects.
For example, many employing diameters are the small size contact pin of Φ 1.57mm and Φ 2.03mm in the brick series DC/DC of big electric current module, and wherein diameter is that the rated current of the small-sized contact pin of Φ 1.57mm is 50A, and the rated current of the small-sized contact pin of Φ 2.03mm is 60A.And in the existing product, the rated current of the used connector of same specification contact pin is about 15A and 30A respectively, and the effective length of pin is more than the twice that requires of module contact pin, is difficult to meet the demands.
In addition, in the occasion that big electric current is used, the influence of contact resistance can not be out in the cold.And existing common contact pin connector generally has bigger contact resistance, and this brings adverse influence can for relevant circuit test work.For example the DC/DC module of existing 1.2V100A adopts common connector in test process, ignores other resistance in the circuit, and only the contact resistance of connector will make loop loss 1V voltage, and this will cause measuring wrong result.The DC/DC module of existing 0.9V100A for another example, in test process, the connector contact resistance of existing specification of the same race is 5m Ω, the contact resistance of positive and negative polarities connector reaches 10m Ω (disregarding load and the impedance that is connected lead), these contact resistances are greater than 9m Ω, will cause this DC/DC module can't be implemented in the electric current of output 100A under the condition of 0.9V voltage.
Fig. 1 is the cut-away view of the common slotting spring abutment 7 that uses in the existing contact pin connector.The hat spring 8 of the inside is that line contacts with contact pin 9, is subjected to its structure influence, and the upper end has certain distance not contact with contact pin.
In view of all deficiency of existing contact pin connector under big electric current application scenario, scientific and technological circle and industrial quarters all press for a kind of big current applications (for example operating current is greater than 20A) that is suitable for, and are convenient to the general contact pin connector of realizing that small-sized contact pin (for example diameter is not more than Φ 2.03mm) connects.
Summary of the invention
The purpose of this utility model is at above-mentioned current demand, and a kind of small-sized contact pin connector at big current applications is provided.
For realizing above-mentioned goal of the invention, the utility model adopts following technical scheme:
A kind of small-sized contact pin connector at big current applications is characterized in that:
Described contact pin comprises upper plate, lower plate, contact pin clamp system and upper plate parallel moving mechanism with connector; Wherein, described contact pin clamp system is located among described upper plate and the lower plate, and described upper plate parallel moving mechanism is installed in the downside of described upper plate, is used to control the lifting of described upper plate;
Described contact pin clamp system is made up of socket core and lock sleeve, and described lock sleeve is positioned at the outside of socket core, and is fixed on the described upper plate;
When described upper plate falls, bloom and open in the upper end of described socket core, and when described upper plate rose, held tightly the upper end of described socket core.
The upper end of described socket core is the three lobes structures of blooming, its inboard arc surface that forms, and the outside is tapered.
Described socket core embeds in the described lock sleeve with interference fit.
This small-sized contact pin is exactly that contact resistance is smaller with the maximum characteristics of connector, therefore can avoid excessive test error that causes of contact resistance even mistake in the low-voltage and high-current module testing.Simultaneously, this small-sized contact pin can reduce the caloric value of socket in the ageing process with connector, raises labour efficiency.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is a kind of internal structure schematic diagram of existing common slotting spring abutment.
Fig. 2 is the overall structure schematic diagram of contact pin connector described in the utility model.
Fig. 3 is the cutaway view of this contact pin with contact pin clamp system in the connector.
Fig. 4 makes to clamp the schematic diagram of action with upper plate parallel moving mechanism in the connector for this contact pin.
Fig. 5 is the internal structure schematic diagram of this contact pin with the slotting spring abutment in the connector.
Embodiment
As shown in Figure 2, this small-sized contact pin comprises detachable upper plate 1 and lower plate 2 freely with connector, is arranged in contact pin clamp system 3 among upper plate 1 and the lower plate 2 and the upper plate parallel moving mechanism 4 that plays the contact pin clamping action.Wherein, upper plate 1 and lower plate 2 can be common epoxy resin boards, also can be other insulator sheet material.Contact pin clamp system 3 is the parts that play the role of a nucleus in the utility model, and it is located among upper plate 1 and the lower plate 2, can be provided with a plurality of as required.Upper plate parallel moving mechanism 4 is installed in a side of upper plate.When the spanner on the parallel moving mechanism 4 during in a side, contact pin clamp system 3 is in the state that contact pin is clamped, and when the spanner on the parallel moving mechanism 4 during in an other side, contact pin clamp system 3 is in lax state.
Respectively above-mentioned contact pin clamp system 3 and upper plate parallel moving mechanism 4 are launched detailed explanation below.
The concrete structure of contact pin clamp system 3 as shown in Figure 3.It mainly is made up of socket core 5 and lock sleeve 6, and lock sleeve 6 is positioned at the outside of socket core 5, and is fixed on the upper plate 1.Upper and lower plate is both carriers of moving mutually of socket core 5 and lock sleeve 6, and socket core 5 embeds in the lock sleeve 6 of upper plate with interference fit.
The upper end of socket core 5 is the three lobes structures of blooming, and its inboard is an arc surface, and to increase contact area, the outside is tapered, upwards increases to hold contact pin tightly from the bottom, reduces contact resistance.This structure makes socket core 5 after stretching out lock sleeve 6, is in lax state, and contact pin can insert easily; When contact pin socket core, move up by upper plate and lock sleeve, make among the upper end retraction lock sleeve 6 of socket core 5, three valve structures of socket core upper end close up, thus the contact pin that will insert wherein clamps.
Fig. 4 makes to clamp the schematic diagram of action for the upper plate parallel moving mechanism.This upper plate parallel moving mechanism is made up of the cam of two interlocks, and this cam is connected together by two steel wire welded, around the rotation of the center of left side steel wire, thereby makes the upper plate can reciprocating motion at vertical direction.
State is shown in solid line among Fig. 4 before clamping, and the cam right side is restricted can only to be rotated counterclockwise; Revolve and turn 90 degrees, A, A ' point turns to highest point jack-up in the upper plate translation, and lock sleeve is held the socket core tightly; Continuing to be rotated counterclockwise 2 degree (shown in double dot dash line among Fig. 4) spanners can not rotate in that the B point is locked again, this moment, A, A ' point departed from 2 degree left at vertical direction, cam is subjected to downward power, this power produces a component left, be subjected to the effect spanner of this component can not resilience, device be in clamped condition.
Be rotated counterclockwise spanner, under the effect of upside spring leaf, upper plate and lock sleeve are fallen together, bloom and open in socket core upper end.
Owing to when spanner moves, can make the upper plate mass motion, like this,, can once finish the clamping of whole device no matter how much quantity of contact pin has, raise labour efficiency.
Referring to shown in Figure 5, small-sized contact pin provided by the utility model owing to the structure of blooming at socket core 5 employings three lobes, is had contact pin 9 by three curved surfaces with connector, the contact of realization face, but also can directly contact with the root of step.More obvious to relatively shorter contact pin contact-making surface effect.Simultaneously, owing to outside conical design can make horizontal direction produce very big clamping force with very little power at vertical direction, only lock sleeve and socket core are used and can produce the 15N clamping force.If in the utility model, lock sleeve embeds in the epoxy plate and uses, and can produce the clamping force of 60～70N.Can further reduce contact resistance and increase clamping force.
Therefore, the contact resistance of the domestic specification connector of the same race of comparing can be reduced to about 10% of existing product, and effect is more obvious when little pin leads to big electric current.In addition, the utility model is tested input and output voltage by the wiring board that adopts and lock sleeve connects together, and test point is positioned at the root of modular power source contact pin, and measuring with power does not have common return, thereby can accurately measure input and output voltage.
Connector as shown in Figure 1 is subjected to the hat spring elasticity effect of its inside with inserting spring abutment, along with the increase contact resistance of access times can be increasing.Logical big current time lengthening temperature raises, and resistance also can increase.The utility model then can not make contact resistance increase because of the increase of access times, and resistance ratio is less simultaneously, is subjected to Temperature Influence little, and resistance is more stable.
In addition, the fatigue strength that connector is preced with reed with the life-span of inserting spring abutment limits, and the thickness of hat spring generally only is about 0.15mm, and the home products life-span is about about 1000 times at present.The utility model can reach more than 50000 times in the timely situation of changing lock sleeve following useful life.
The utility model mainly in vertical direction motion, has reduced the horizontal movement space, is particluarly suitable for that horizontal space is had relatively high expectations and will uses under the situation with larger clamping force.When pin spacing than the big 1.6mm of pin diameter, can use clamping device provided by the utility model.
More than the small-sized contact pin at big current applications described in the utility model is had been described in detail with connector.For a person skilled in the art, in the various conspicuous change of under the situation that does not deviate from spirit and scope of the present utility model it being carried out all within protection range of the present utility model.
Claims (3)
1. small-sized contact pin connector at big current applications is characterized in that:
Described contact pin comprises upper plate, lower plate, contact pin clamp system and upper plate parallel moving mechanism with connector; Wherein, described contact pin clamp system is located among described upper plate and the lower plate, and described upper plate parallel moving mechanism is installed in the downside of described upper plate, is used to control the lifting of described upper plate;
Described contact pin clamp system is made up of socket core and lock sleeve, and described lock sleeve is positioned at the outside of socket core, and is fixed on the described upper plate;
When described upper plate falls, bloom and open in the upper end of described socket core, and when described upper plate rose, held tightly the upper end of described socket core.
2. small-sized contact pin connector as claimed in claim 1 is characterized in that:
The upper end of described socket core is the three lobes structures of blooming, its inboard arc surface that forms, and the outside is tapered.
3. small-sized contact pin connector as claimed in claim 1 is characterized in that:
Described socket core embeds in the described lock sleeve with interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201675912U CN201018149Y (en) | 2006-12-20 | 2006-12-20 | Minitype contact pin connector for great current situation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201675912U CN201018149Y (en) | 2006-12-20 | 2006-12-20 | Minitype contact pin connector for great current situation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018149Y true CN201018149Y (en) | 2008-02-06 |
Family
ID=39058649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201675912U Expired - Fee Related CN201018149Y (en) | 2006-12-20 | 2006-12-20 | Minitype contact pin connector for great current situation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018149Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762749A (en) * | 2010-03-05 | 2010-06-30 | 苏州工业园区时代华龙科技有限公司 | Device for testing impedance of chip mounting plate assembly |
| CN108500877A (en) * | 2018-03-30 | 2018-09-07 | 昆山奥泰克自动化科技有限公司 | A kind of spininess clamping device |
-
2006
- 2006-12-20 CN CNU2006201675912U patent/CN201018149Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762749A (en) * | 2010-03-05 | 2010-06-30 | 苏州工业园区时代华龙科技有限公司 | Device for testing impedance of chip mounting plate assembly |
| CN108500877A (en) * | 2018-03-30 | 2018-09-07 | 昆山奥泰克自动化科技有限公司 | A kind of spininess clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONLIER ENERGY TECHNOLOGY (BEIJING) CO., LTD. Free format text: FORMER OWNER: WANG ZHEN Effective date: 20110602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100013 NO. 104, EAST UNIT, BUILDING 3, JIAOTONG DORMITORY, HEPINGLI, DONGCHENG DISTRICT, BEIJING TO: 101111 NO. 9, KECHUANG 14TH STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110602 Address after: Section 14 economic and Technological Development Zone of Beijing City, No. 9 101111 Street Patentee after: Tonlier Energy Technology(Beijing)Co.,Ltd. Address before: 100013 Beijing Dongcheng District Hepingli traffic dormitory three East Gate No. 104 Patentee before: Wang Zhen |
|
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TONLIER ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TONLIER ENERGY TECHNOLOGY (BEIJING) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Section 14 economic and Technological Development Zone of Beijing City, No. 9 101111 Street Patentee after: Beijing Tonlier Energy-saving LLC. Address before: Section 14 economic and Technological Development Zone of Beijing City, No. 9 101111 Street Patentee before: Tonlier Energy Technology(Beijing)Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |