CN206076606U - A kind of high leakproofness connection terminal - Google Patents
A kind of high leakproofness connection terminal Download PDFInfo
- Publication number
- CN206076606U CN206076606U CN201621113477.1U CN201621113477U CN206076606U CN 206076606 U CN206076606 U CN 206076606U CN 201621113477 U CN201621113477 U CN 201621113477U CN 206076606 U CN206076606 U CN 206076606U
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- Prior art keywords
- crimping
- welding
- connection terminal
- wire
- wing
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Abstract
This utility model is related to a kind of high leakproofness connection terminal, the connection terminal includes connection-peg, rebound and the crimping unit being sequentially connected, the crimping unit includes the electrical connection base plate for being arranged on rebound one end and is separately positioned on the first crimping welding wing of electrical connection base plate both sides, the second crimping welding wing, one end of wire is placed on electrical connection base plate, the first crimping welding wing and the second crimping welding wing are while fold inward crimping lead wire, it is welded to form T-shaped weld seam, crimp region is sealed.Compared with prior art, in this utility model, the first crimping welding wing, the second crimping welding wing are fitted close with base plate is electrically connected, on the basis of mechanical crimp, welding manner is further adopted to the crimp region between connection terminal and conductor, is increased T-shaped weld seam, crimp region is fully sealed, thus with very high waterproof and decay resistance, suitable for the environment of relative humidity, and with higher service life, and low cost.
Description
Technical field
This utility model belongs to connection terminal technical field, is related to a kind of high leakproofness connection terminal.
Background technology
The connection that traditional mechanical crimp technology is used between wire and connection terminal, the technical efficiency are high, processing cost
It is low, it is used widely in automobile and electric industry.In some automotive interiors, the region of wire harness application is divided into
Wet area He Gan areas.In wet area, if the crimp region sealing between wire and connection terminal is poor, the electricity such as steam or saline
Xie Zhihui enters crimp region, and in causing crimp region, wire occurs electrochemical corrosion with connection terminal intersection, so as to cause
Impedance is too high, and crimp region is generated heat and loose contact, and then produces safety issue.Therefore, wire is crimped with connection terminal
Region needs to be sealed, and increases waterproof and decay resistance.At present, for the crimping of small dimension aluminum conductor and copper conductor and close
There is more difficult point in encapsulation technique.Traditional mechanical crimp technology cannot be carried out to the wire near crimp region and crimp region
Fully seal, therefore waterproof and decay resistance are poor.
Application publication number discloses a kind of corrosion resistant electric connection structure for the Chinese invention patent of CN102576949A, should
Crimp region is sealed by structure with resin seal technology, specially：After the conductor part of wire is connected with crimp type terminal,
It is filled with resin with the coupling part of wire in crimp type terminal, will be wire same with the contact interface of crimp type terminal using resin
External environment condition is separated, and so as to play a part of waterproof sealing, and prevents the electrochemical corrosion between different metal.But due to tree
Fat is expensive, and resin seal technique is complex, and coating and solidification also need to certain hour, therefore, from use cost
From the point of view of, resin seal is not a preferably solution.Additionally, resin material is after long-term use, can exist
Aging risk, so as to cause sealing property to decline, it is impossible to play a part of waterproof.
Utility model content
The purpose of this utility model is exactly to overcome defect that above-mentioned prior art is present and providing one kind can increase
The high leakproofness connection terminal of crimp region sealing and water proofing property between wire and connection terminal.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of high leakproofness connection terminal, the connection terminal include connection-peg, rebound and the crimping unit being sequentially connected,
The crimping unit includes the electrical connection base plate for being arranged on rebound one end and is separately positioned on the first of electrical connection base plate both sides
The wing, the second crimping welding wing are welded in crimping, and one end of wire is placed on electrical connection base plate, and the wing and the second pressure are welded in the first crimping
The welding wing is connect while fold inward crimping lead wire, and forms T-shaped weld seam, crimp region is sealed.
Described connection terminal is connected with external electrical equipment by connection-peg, described rebound by connection-peg with crimp
Unit is linked up.
Described wire is made up of conductor and the insulating barrier being coated on outside conductor, wherein, conductor is by single or many
Tinsel is arranged in parallel or is entwined.
Used as preferred technical scheme, the conductive material of described wire is the one kind in aluminum, aluminium alloy, copper or copper alloy
Or it is various, the material of described electrical connection base plate is one or more in copper or copper alloy.
The first described crimping welding wing and the second crimping welding wing include the length direction of edge electrical connection base plate successively
The lead conductor of setting crimps weld part, conductor compression jointing welding transition portion and wire insulation crimping weld part.Described wire
The conductor directly contact of conductor crimping weld part and wire, and be crimped on conductor；Described wire insulation crimping weld part
With the insulating barrier directly contact of wire, and crimp on the insulating layer；Described conductor compression jointing welding transition portion with electrically connect base plate
In the region for surrounding for wire conductor, and conductor and conductor compression jointing welding transition portion, electrically connect,
Wherein, weld part joint is crimped with wire insulation in conductor compression jointing welding transition portion, space is maximum, welds in conductor compression jointing
Transition part crimps weld part joint with lead conductor, and space is minimum, to play a part of transition.
It is interference fit between described wire insulation crimping weld part and the insulating barrier of wire.By interference fit,
It is prevented from water, saline or other electrolyte and the space entrance between weld part and the insulating barrier of wire is crimped by wire insulation
Crimp region, thus improve the sealing property of connection terminal.
The width of described lead conductor crimping weld part crimps the width of weld part less than wire insulation.Lead conductor
The width of crimping weld part is adapted with the conductor diameter of wire, the insulation of the width and wire of wire insulation crimping weld part
Layer external diameter is adapted.
The side view in described conductor compression jointing welding transition portion is the one of trapezoidal, described conductor compression jointing welding transition portion
End is connected with lead conductor crimping weld part, and the other end is connected with wire insulation crimping weld part.
Used as preferred technical scheme, described connection-peg is box connection-peg.
One end of described box connection-peg is provided with postive stop baffle.When connection-peg is coordinated with external electrical, can pass through
Postive stop baffle carries out axial limiting.
This utility model is placed in one end of wire on electrical connection base plate in practical application, wherein, wire is exposed outside absolutely
The conductor part of edge layer is placed in electrical connection base plate and is engaged place with lead conductor crimping weld part and conductor compression jointing welding transition portion,
The insulating barrier of wire is partially disposed in electrical connection base plate and is engaged place with wire insulation crimping weld part；The wing is welded in first crimping
And the second crimping welding wing simultaneously fold inward, it is crimped on outside wire；Using resistance welding, have access to electricity extreme pressure head and bottom electrode
Pressure head clamps crimp region, and applies pressure, is passed through high current, control voltage and time afterwards, crimp region is welded,
As electric energy of the Top electrode pressure head with bottom electrode pressure head is converted to heat energy, the metal surface in whole crimp region is melted, is made
First crimping welding the wing crimp with second welding the wing between and first crimping welding the wing crimp with second weld the wing be located at
One end of cab apron together form T-shaped weld seam, and crimp region is fully sealed.
Wherein, weldingvoltage is 0.5-1.5V, and welding current is 500-3000A, Top electrode pressure head and bottom electrode pressure head it
Between the pressure that applies be 50-250N.
This using new operation principle is：After wire and connection terminal carry out mechanical crimp, have become one it is whole
Body, with conventional performance, but the first crimping welding wing is crimped with second and there is slight void between the welding wing, and the
The one crimping welding wing and the second crimping welding wing are located at one end of rebound and still fail and electrically connect base plate and fully seal.By applying
Plus resistance welding, using the resistance heating of electrode pressure head, the wing is welded in the first crimping the part between the welding wing is crimped with second
And first crimping welding the wing crimp with second weld the wing positioned at rebound heating one end to mecystasises or local melting shape
State, forms T-shaped weld seam, crimp region is fully sealed, while applying pressure, makes between the metallic atom of conductor of wire
It is combined with each other, forms firm welding point, to improve stability in the large and service life.
Compared with prior art, this utility model has the characteristics that：
1) the first crimping welding wing, the second crimping welding wing are fitted close with base plate is electrically connected, on the basis of mechanical crimp
On, welding manner is further adopted to the crimp region between connection terminal and conductor, increases T-shaped weld seam, crimp region is complete
It is hermetically sealed, thus with very high waterproof and decay resistance, it is adaptable in the environment of relative humidity, and with higher use
Life-span；
2) sealed without using resin material, greatlyd save production cost, and by resistance welding mode
Preferable welding effect is reached, resistance welding equipment investment is little, and use cost is low, and floor space is little, and can also be with press-connection machine
Integrate；
3) connected mode that mechanical crimp is combined with welding, can be widely used for wire with connection terminal or wire and wire
Between connection, be especially suitable for the connection of thinner wire and aluminium base wire.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is structural representation of this utility model Jing after mechanical crimp；
Fig. 3 is this utility model overlooking the structure diagram after weld formation；
Fig. 4 is the internal structure schematic diagram of crimp region in this utility model；
Description of symbols in figure：
1-connection-peg, 2-rebound, 3-electrical connection base plate, 4-the first crimping welding wing, the 5-the second crimping welding
The wing, 6-wire, 7-T-shaped weld seam, 8-lead conductor crimping weld part, 9-conductor compression jointing welding transition portion, 10-wire are exhausted
Edge layer crimping weld part, 11-postive stop baffle.
Specific embodiment
This utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with this utility model
Implemented premised on technical scheme, given detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
Embodiment：
A kind of high leakproofness connection terminal as shown in Figure 1, the connection terminal include the connection-peg 1, transition being sequentially connected
Plate 2 and crimping unit.Connection-peg 1 is box connection-peg, and one end of the box connection-peg is provided with postive stop baffle 11.Crimping unit bag
Include the electrical connection base plate 3 for being arranged on 2 one end of rebound and the first crimping welding wing for being separately positioned on 3 both sides of electrical connection base plate
4th, the second crimping welding wing 5, one end of wire 6 is placed on electrical connection base plate 3, and the wing 4 and the second crimping weldering are welded in the first crimping
The wing 5 is connect while fold inward crimping lead wire, the T-shaped weld seam 7 of welded formation is sealed to crimp region.
Wherein, the first crimping welding wing 4 and the second crimping welding wing 5 include length direction along electrical connection base plate 3 according to
The lead conductor of secondary setting crimps weld part 8, conductor compression jointing welding transition portion 9 and wire insulation crimping weld part 10.Wire
It is interference fit that insulating barrier is crimped between weld part 10 and the insulating barrier of wire 6.The width of lead conductor crimping weld part 8 is less than
Wire insulation crimps the width of weld part 10.The side view in conductor compression jointing welding transition portion 9 is trapezoidal, conductor compression jointing welding
One end of transition part 9 is connected with lead conductor crimping weld part 8, and the other end is connected with wire insulation crimping weld part 10.
In practical application, one end of wire 6 is placed on electrical connection base plate 3, wherein, wire 6 exposes outside insulating barrier
Conductor part is placed in electrical connection base plate 3 and is engaged place with lead conductor crimping weld part 8 and conductor compression jointing welding transition portion 9, leads
The insulating barrier of line 6 is partially disposed in electrical connection base plate 3 and is engaged place with wire insulation crimping weld part 10；As shown in Fig. 2 by
The one crimping welding wing 4 and the second crimping welding wing 5 are while fold inward, is crimped on outside wire 6；Using resistance welding, use
Electrode pressure head clamps crimp region with bottom electrode pressure head, and applies pressure, is passed through high current, control voltage and time afterwards, right
Crimp region is welded, as electric energy of the Top electrode pressure head with bottom electrode pressure head is converted to heat energy, by whole crimp region
Metal surface fusing so that the first crimping welding wing 4 crimp with second between the welding wing 5 and the first crimping welding wing 4 and
The second crimping welding wing 5 is located at one end of rebound 2 and together form T-shaped weld seam 7, as shown in Figure 3-4, crimp region is complete
Sealing.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use practicality
It is new.Person skilled in the art obviously easily can make various modifications to these embodiments, and here is illustrated
General Principle be applied in other embodiment without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Modification all should be within protection domain of the present utility model.
Claims (7)
1. a kind of high leakproofness connection terminal, it is characterised in that the connection terminal includes connection-peg (1), the transition being sequentially connected
Plate (2) and crimping unit, the crimping unit include the electrical connection base plate (3) for being arranged on rebound (2) one end and are respectively provided with
The the first crimping welding wing (4), the second crimping welding wing (5) in electrical connection base plate (3) both sides, one end of wire (6) is placed in
In electrical connection base plate (3), the first crimping welding wing (4) and the second crimping welding wing (5) are while fold inward crimping lead wire, Jing welderings
Connect to form T-shaped weld seam (7), crimp region is sealed.
2. a kind of high leakproofness connection terminal according to claim 1, it is characterised in that the first described crimping welding wing
(4) and second crimping welding the wing (5) include along electrical connection base plate (3) length direction set gradually lead conductor crimping weldering
Socket part (8), conductor compression jointing welding transition portion (9) and wire insulation crimping weld part (10).
3. a kind of high leakproofness connection terminal according to claim 2, it is characterised in that described wire insulation crimping
It is interference fit between the insulating barrier of weld part (10) and wire (6).
4. a kind of high leakproofness connection terminal according to claim 2, it is characterised in that described lead conductor crimping weldering
The width of socket part (8) crimps the width of weld part (10) less than wire insulation.
5. a kind of high leakproofness connection terminal according to claim 4, it is characterised in that described conductor compression jointing was welded
The side view for crossing portion (9) is trapezoidal, and the one end in described conductor compression jointing welding transition portion (9) crimps weld part with lead conductor
(8) it is connected, the other end is connected with wire insulation crimping weld part (10).
6. a kind of high leakproofness connection terminal according to claim 1, it is characterised in that described connection-peg (1) is case
Formula connection-peg.
7. a kind of high leakproofness connection terminal according to claim 6, it is characterised in that the one of described box connection-peg
End is provided with postive stop baffle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113477.1U CN206076606U (en) | 2016-10-11 | 2016-10-11 | A kind of high leakproofness connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113477.1U CN206076606U (en) | 2016-10-11 | 2016-10-11 | A kind of high leakproofness connection terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076606U true CN206076606U (en) | 2017-04-05 |
Family
ID=58442121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113477.1U Expired - Fee Related CN206076606U (en) | 2016-10-11 | 2016-10-11 | A kind of high leakproofness connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114498089A (en) * | 2020-10-26 | 2022-05-13 | Aptiv技术有限公司 | Voltage connection terminal |
-
2016
- 2016-10-11 CN CN201621113477.1U patent/CN206076606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114498089A (en) * | 2020-10-26 | 2022-05-13 | Aptiv技术有限公司 | Voltage connection terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201800 60 Yuan Yuan Road, Anting Town, Jiading District, Shanghai Patentee after: An Po Fu electrical system Co., Ltd. Address before: 201805 492 Moyu Road, Jiading District, Shanghai Patentee before: Delphi Packard Electric System Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20201011 |