CN106953181B - Safety high-power, large-current and high-voltage-resistant composite electrical connector - Google Patents
Safety high-power, large-current and high-voltage-resistant composite electrical connector Download PDFInfo
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- CN106953181B CN106953181B CN201710332230.1A CN201710332230A CN106953181B CN 106953181 B CN106953181 B CN 106953181B CN 201710332230 A CN201710332230 A CN 201710332230A CN 106953181 B CN106953181 B CN 106953181B
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- Prior art keywords
- chucks
- conductive
- conductive connecting
- chuck
- head
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/44—Clamping areas on both sides of screw
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
A safe high-power, high-current and high-voltage resistant composite electrical connector comprises a conductive connecting component and an insulating protective sleeve, wherein the conductive connecting component comprises a conductive connecting male head, a conductive connecting female head and a locking bolt; the conductive connection male joint is in occlusion connection with the conductive connection female joint and is reinforced through a locking bolt; the insulating protective sleeve is symmetrically arranged, the insulating protective sleeve is sleeved on the tail portions of the male head and the female head respectively, when a bolt of the connector is screwed down, the inclined planes on the two sides of the clamping head are extruded to slide relatively, plastic deformation is caused simultaneously, the upper surface and the lower surface are not only extruded tightly, but also the inner end surface and the outer end surface are also extruded tightly, and a conductive joint surface represented by a thick line in the attached drawing is specifically referred, so that the surface contact is more sufficient, the contact impedance is reduced, and the flow conductivity is improved.
Description
Technical Field
The invention relates to the technical field of wiring terminals in an electrical circuit, in particular to a safe high-power, high-current and high-voltage resistant composite electrical connector.
Background
At present, most wire connectors used in the electrical industry are sheet-shaped cold-pressed joint type or welding cup joint type wiring terminals, and carbon steel or brass materials subjected to electroplating treatment are adopted. Because the connecting end of the high-power device is of an extrusion-molded sheet structure, the cross section of the product is relatively small, the extrusion deformation is small, the resistivity is high, the internal resistance and the contact resistance are high, and the high-power device cannot bear the passing of large current of high-power equipment.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a safe high-power, high-current and high-voltage resistant composite electrical connector.
The technical scheme of the invention is as follows: a kind of safe high-power, heavy current, high pressure resistant compound electrical connector, its characteristic is: the device comprises a conductive connecting assembly and an insulating protective sleeve, wherein the conductive connecting assembly comprises a conductive connecting male head, a conductive connecting female head and a locking bolt;
one end of the conductive connecting male head is a cylindrical welding cup used for cable welding, the other end of the conductive connecting male head is a chuck which extends out along the axial direction and has a trapezoidal longitudinal section, and the central axes of the upper surface and the lower surface of the chuck form an included angle; the thickness of the outer end part of the clamping head is larger than that of the root part.
One end of the conductive connection female head is a cylindrical welding cup used for welding a cable, the other end of the conductive connection female head is two chucks which axially extend out and are positioned at two sides of an axis, the shape of the area between the two chucks is matched with that of the chuck, and the chuck can be inserted between the two chucks; concave step holes are respectively arranged at the corresponding positions of the outer surfaces of the two chucks, a stainless steel nut is riveted into one step hole,
a long round hole matched with the stepped hole is arranged at a corresponding position on a chuck of the conductive connecting male head, and the length direction of the long round hole is arranged along the axial direction;
a locking screw rod penetrates through the other step hole, penetrates through the two chucks and the chucks, and is screwed into the stainless steel nut at the other end to realize the connection of the chucks and the chucks;
the insulating protective sleeves are symmetrically arranged, the inner surface shapes of the two protective sleeves are respectively matched with the surface shapes of the conductive connection male connector and the conductive connection female connector, recessed clamping grooves and inwards-turned clamping housings are arranged at the butt joint positions of the two protective sleeves in a staggered mode from the tail portion of the male connector and the tail portion of the female connector, and the clamping housings can be clamped into the clamping grooves.
Preferably, the cross-sectional dimension of the collet and chuck connection is greater than the cross-sectional dimension of the barrel weld cup.
Preferably, the handle part of the locking screw rod adopts an inner hexagonal structure, and the handle part of the locking screw rod is completely sunk into the stepped hole.
Preferably, the conductive connection male joint and the conductive connection female joint are both made of T2 red copper.
Preferably, the insulating protective sleeve is made of modified nylon PA66 through injection molding.
The invention has the technical effects that:
1) The contact surfaces of the male head and the female head of the conductive connecting piece adopt an inclined plane design, and a long circular hole is formed in a clamping head of the male head. When the bolt is screwed, the inclined planes on the two sides of the chuck are extruded to slide relatively, plastic deformation is caused simultaneously, not only the upper surface and the lower surface are compacted, but also the inner end surface and the outer end surface are compacted, and the conductive joint surface shown by thick lines in the attached drawings 2, 3 and 4 is specifically referred, so that the surface contact is more sufficient, the contact impedance is reduced, and the flow conductivity is improved.
2) Stainless steel nut for pressing and riveting on wiring piece
The red copper material hardness is low, and the plasticity is good, and the screw hole durability is not good, in order to guarantee screw thread reliability and durability, rivets stainless steel nut on a terminal block pressure, can improve product screw thread and lead to the durability.
3) Insulating protective sleeve
The insulating protective sleeve is formed by buckling two same pieces. The sleeve is made of modified nylon PA66 material, and has high compression strength, high hardness, good impact toughness and excellent erosion resistance. The insulating protective sleeve is provided with a clamping groove and a clamping tongue which are buckled with each other, so that the insulating protective sleeve is locked.
Drawings
FIG. 1 is a perspective view of the composite electrical connector;
FIG. 2 is a front view of the composite electrical connector in full section;
FIG. 3 is a schematic view of the cross-sectional view B-B of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the inner conductive connecting member shown in FIG. 1 after connection;
fig. 5 is a schematic perspective view of a conductive connecting member;
fig. 6 is a second schematic perspective view of the conductive connecting member;
FIG. 7 is a front view of the female conductive connector of FIG. 1;
FIG. 8 is a perspective view of FIG. 7;
FIG. 9 is a front view of the male conductive connection end of FIG. 1;
FIG. 10 is a perspective view of FIG. 9;
FIG. 11 is a perspective view of the stainless steel nut of FIG. 1;
fig. 1, an insulating protective sleeve, 2, the insulating protective sleeve, 3, clamping grooves and clamping housings of two protective sleeves, 4, a conductive connecting female joint, 5, a conductive connecting male joint, 6, a locking screw, 7, a clamping head, 8, the clamping head, 9, a stainless steel nut, 10, an area between the two clamping heads, 11, a step hole and 12 a long round hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example (b): referring to fig. 1-8, a safety type high-power, high-current and high-voltage resistant composite electrical connector is characterized in that: the insulating protective sleeve comprises a conductive connecting component and an insulating protective sleeve, wherein the conductive connecting component comprises a conductive connecting male head, a conductive connecting female head and a locking bolt; one end of the conductive connecting male head is a cylindrical welding cup used for cable welding, the other end of the conductive connecting male head is a chuck which extends out along the axial direction and has a trapezoidal longitudinal section, and the central axes of the upper surface and the lower surface of the chuck form an included angle; the thickness of the outer end part of the clamping head is larger than that of the root part. One end of the conductive connection female head is a cylindrical welding cup used for welding a cable, the other end of the conductive connection female head is two chucks which axially extend out and are positioned at two sides of an axis, the shape of the area between the two chucks is matched with that of the chuck, and the chuck can be inserted between the two chucks; concave step holes are respectively arranged at corresponding positions on the outer surfaces of the two chucks, a stainless steel nut is riveted into one step hole in a pressing mode, a long circular hole matched with the step hole is arranged at a corresponding position on the chuck of the conductive connecting male head, and the long circular hole is axially arranged in the length direction; a locking screw rod penetrates through the other step hole, penetrates through the two chucks and the chucks, and is screwed into the stainless steel nut at the other end to realize the connection of the chucks and the chucks; the insulating protective sleeves are symmetrically arranged, the inner surface shapes of the two protective sleeves are respectively matched with the surface shapes of the conductive connection male connector and the conductive connection female connector, recessed clamping grooves and inwards-turned clamping grooves are formed in the butt joint positions of the two protective sleeves in a staggered mode from the tail parts of the male connector and the female connector, and the clamping grooves can be clamped into the clamping grooves. The cross section size of the connecting part of the chuck and the chuck is larger than that of the cylindrical welding cup. The handle part of the locking screw rod adopts an inner hexagonal structure, and the handle part of the locking screw rod is completely sunk into the step hole. The conductive connection male joint and the conductive connection female joint are both made of T2 red copper. The insulating protective sleeve is made of modified nylon PA66 through injection molding.
Claims (5)
1. A kind of safe high-power, heavy current, high pressure resistant compound electrical connector, its characteristic is: the insulating protective sleeve comprises a conductive connecting component and an insulating protective sleeve, wherein the conductive connecting component comprises a conductive connecting male head, a conductive connecting female head and a locking bolt;
one end of the conductive connecting male head is a cylindrical welding cup used for cable welding, the other end of the conductive connecting male head is a chuck which extends out along the axial direction and has a trapezoidal longitudinal section, and the central axes of the upper surface and the lower surface of the chuck form an included angle; the thickness of the outer end part of the chuck is larger than that of the root part;
one end of the conductive connection female head is a cylindrical welding cup used for welding a cable, the other end of the conductive connection female head is provided with two chucks which axially extend out and are positioned on two sides of an axis, the shape of the area between the two chucks is matched with that of the chuck, and the chuck can be inserted between the two chucks; concave step holes are respectively arranged at corresponding positions on the outer surfaces of the two chucks, a stainless steel nut is pressed and riveted into one step hole,
a long round hole matched with the stepped hole is arranged at a corresponding position on a chuck of the conductive connecting male head, and the length direction of the long round hole is arranged along the axial direction;
a locking screw rod penetrates through the other step hole, penetrates through the two chucks and the chucks, and is screwed into the stainless steel nut at the other end to realize the connection of the chucks and the chucks;
the insulating protective sleeves are symmetrically arranged, the inner surface shapes of the two protective sleeves are respectively matched with the surface shapes of the conductive connection male connector and the conductive connection female connector, recessed clamping grooves and inwards-turned clamping grooves are formed in the butt joint positions of the two protective sleeves in a staggered mode from the tail parts of the male connector and the female connector, and the clamping grooves can be clamped into the clamping grooves.
2. The safety high-power, high-current and high-voltage resistant composite electrical connector as claimed in claim 1, wherein: the cross section size of the chuck and chuck connecting part is larger than that of the barrel-type welding cup.
3. The safety high-power, high-current and high-voltage resistant composite electrical connector as claimed in claim 1, wherein: the handle part of the locking screw rod adopts an inner hexagonal structure, and the handle part of the locking screw rod is completely sunk into the step hole.
4. The safety high-power, high-current and high-voltage resistant composite electrical connector as claimed in claim 1, wherein: the conductive connection male joint and the conductive connection female joint are both made of T2 red copper.
5. The safety high-power, high-current and high-voltage resistant composite electrical connector as claimed in claim 1, wherein: the insulating protective sleeve is made of modified nylon PA66 through injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332230.1A CN106953181B (en) | 2017-05-12 | 2017-05-12 | Safety high-power, large-current and high-voltage-resistant composite electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332230.1A CN106953181B (en) | 2017-05-12 | 2017-05-12 | Safety high-power, large-current and high-voltage-resistant composite electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106953181A CN106953181A (en) | 2017-07-14 |
| CN106953181B true CN106953181B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710332230.1A Active CN106953181B (en) | 2017-05-12 | 2017-05-12 | Safety high-power, large-current and high-voltage-resistant composite electrical connector |
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| CN207338658U (en) * | 2017-05-12 | 2018-05-08 | 新乡北方车辆仪表有限公司 | Safety type high-power, high current, high pressure resistant compound electrical cnnector |
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| CN1131389C (en) * | 2000-10-25 | 2003-12-17 | 毓豪企业股份有限公司 | Fast neon lamp inserting adaptor |
| CN202503120U (en) * | 2012-03-20 | 2012-10-24 | 上海产联电气科技有限公司 | Busbar connector |
| CN202855941U (en) * | 2012-11-14 | 2013-04-03 | 湘潭电机股份有限公司 | Plug-type cable connector |
| CN204516929U (en) * | 2015-04-17 | 2015-07-29 | 湖南中冶长天节能环保技术有限公司 | For the crimp connector of stube cable and busbar or bus |
| CN205488633U (en) * | 2016-02-05 | 2016-08-17 | 国网山东省电力公司潍坊供电公司 | Special multi -functional connector of electric power system |
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- 2017-05-12 CN CN201710332230.1A patent/CN106953181B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207338658U (en) * | 2017-05-12 | 2018-05-08 | 新乡北方车辆仪表有限公司 | Safety type high-power, high current, high pressure resistant compound electrical cnnector |
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| CN106953181A (en) | 2017-07-14 |
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