CN113036496B - Large-current wiring terminal - Google Patents
Large-current wiring terminal Download PDFInfo
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- CN113036496B CN113036496B CN202110269599.9A CN202110269599A CN113036496B CN 113036496 B CN113036496 B CN 113036496B CN 202110269599 A CN202110269599 A CN 202110269599A CN 113036496 B CN113036496 B CN 113036496B
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- locking
- guide
- groove
- expansion
- grooves
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a large-current wiring terminal which comprises a terminal body, an installation cavity, a locking upper arc surface, an expansion longitudinal groove, an expansion transverse groove, a locking core strip, a locking lower arc surface, a locking longitudinal groove, a locking transverse groove, a guide lug, a guide groove, a compression spring, a locking threaded hole and a locking screw rod. The invention can increase the contact area of the connecting terminal, has smaller resistance value and high current-carrying capacity, avoids current overload, and has stable connection, strong shock resistance and high connection safety.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of wiring terminals, in particular to the technical field of a high-current wiring terminal.
[ background ] A method for producing a semiconductor device
The wiring terminal is an important component, plays important roles of fastening, connecting and current carrying, adopts a wiring terminal with a wire clamping structure, and is widely applied to electrical equipment in various industries, such as electric power, petrochemical industry, automatic control, machinery, ships, railway transportation, communication and the like. In industrial production, equipment with power more than hundreds of kilowatts is more and more common, the wiring mode of equipment cables and power source cables is usually realized by laminating copper nose terminals, and as the contact area is not large and the contact surface of the copper nose terminals has certain deformation, the contact surface is easy to slide and dislocate in the nut pressing process, so that the conductive area is further reduced. In the use, the phenomenon that the resistance value of the copper nose is large can occur, more heat is generated, and certain potential safety hazards exist.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a large-current wiring terminal which can increase the contact area of the wiring terminal, has small resistance value and high current-carrying capacity, avoids current overload, and has stable connection, strong shock resistance and high connection safety.
In order to achieve the purpose, the invention provides a large-current wiring terminal which comprises a terminal body, a mounting cavity, a locking upper arc surface, an expanding longitudinal groove, an expanding transverse groove, a locking core strip, a locking lower arc surface, a locking longitudinal groove, a locking transverse groove, a guide lug, a guide groove, a compression spring, a locking threaded hole and a locking screw rod, wherein the mounting cavity is arranged in the terminal body, the top of the mounting cavity is provided with the locking upper arc surface, the locking upper arc surface is axially provided with a plurality of expanding longitudinal grooves, the locking upper arc surface is radially provided with a plurality of expanding transverse grooves, the mounting cavity is internally provided with the locking core strip, the top of the locking core strip is provided with the locking lower arc surface corresponding to the locking upper arc surface, the locking lower arc surface is axially provided with a plurality of locking longitudinal grooves corresponding to the expanding longitudinal grooves, the locking lower arc surface is radially provided with a plurality of locking transverse grooves corresponding to the expanding transverse grooves, the left side and the right side of the locking core strip are correspondingly provided with guide lugs, guide grooves corresponding to the guide lugs are vertically formed in the side wall of the installation cavity, compression springs connected with the tops of the guide lugs are arranged in the guide grooves, the bottom axis position of the installation cavity is provided with a locking threaded hole in a penetrating mode, a locking screw rod is arranged in the locking threaded hole in a penetrating mode, and the top end of the locking screw rod is attached to the bottom of the locking core strip.
Preferably, the number of the expansion longitudinal grooves is multiple, and the expansion longitudinal grooves are uniformly and axially distributed on the locking upper arc surface.
Preferably, the number of the expansion transverse grooves is multiple, and the expansion transverse grooves are uniformly and transversely distributed on the locking upper arc surface.
Preferably, the depth of the expanding longitudinal groove is smaller than the depth of the expanding transverse groove.
Preferably, the outer side surface of the position guide convex block is vertically provided with a plurality of position guide convex lines, and the position guide groove is internally provided with position guide concave lines correspondingly engaged with the position guide convex lines.
Preferably, the number of the locking threaded holes is multiple, and the locking threaded holes are uniformly distributed on the axis of the bottom of the mounting cavity.
Preferably, a positioning groove is formed in the joint of the bottom of the locking core bar and the top end of the locking screw rod, and the positioning groove is a conical smooth groove with the bottom opening gradually increasing.
Preferably, the terminal body and the locking core strip are both made of nickel-plated copper materials.
The invention has the beneficial effects that: according to the invention, the terminal body, the mounting cavity, the locking upper arc surface, the expanding longitudinal groove, the expanding transverse groove, the locking core strip, the locking lower arc surface, the locking longitudinal groove, the locking transverse groove, the guide lug, the guide groove, the compression spring, the locking threaded hole and the locking screw rod are combined together, and through test optimization, the contact area of the wiring terminal can be increased, the resistance value is smaller, the current-carrying capacity is high, the current overload is avoided, the connection is stable, the shock resistance is strong, and the connection safety is high.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a high-current terminal according to the present invention.
In the figure: 1-terminal body, 2-installation cavity, 3-locking upper arc surface, 4-expansion longitudinal groove, 5-expansion transverse groove, 6-locking core strip, 7-locking lower arc surface, 8-locking longitudinal groove, 9-locking transverse groove, 10-guide lug, 11-guide groove, 12-compression spring, 13-locking threaded hole, 14-locking screw rod, 15-guide convex line, 16-guide concave line and 17-positioning groove.
[ detailed description ] embodiments
Referring to fig. 1, the high-current wiring terminal comprises a terminal body 1, an installation cavity 2, a locking upper arc surface 3, an expanding longitudinal groove 4, an expanding transverse groove 5, a locking core bar 6, a locking lower arc surface 7, a locking longitudinal groove 8, a locking transverse groove 9, a guide lug 10, a guide groove 11, a compression spring 12, a locking threaded hole 13 and a locking screw 14, wherein the installation cavity 2 is arranged in the terminal body 1, the top of the installation cavity 2 is provided with the locking upper arc surface 3, the locking upper arc surface 3 is axially provided with a plurality of expanding longitudinal grooves 4, the locking upper arc surface 3 is radially provided with a plurality of expanding transverse grooves 5, the installation cavity 2 is internally provided with the locking core bar 6, the top of the locking core bar 6 is provided with the locking lower arc surface 7 corresponding to the locking upper arc surface 3, the locking lower arc surface 7 is axially provided with a plurality of locking longitudinal grooves 8 correspondingly engaged with the expanding longitudinal grooves 4, a plurality of locking transverse grooves 9 are radially arranged on the locking lower cambered surface 7 and correspondingly engaged with the expansion transverse grooves 5, guide lugs 10 are correspondingly arranged on the left side and the right side of the locking core strip 6, guide grooves 11 corresponding to the guide lugs 10 are vertically arranged on the side wall of the installation cavity 2, compression springs 12 connected with the tops of the guide lugs 10 are arranged in the guide grooves 11, a locking threaded hole 13 penetrates through the axis line of the bottom of the installation cavity 2, locking screws 14 penetrate through the locking threaded hole 13, the top ends of the locking screws 14 are attached to the bottom of the locking core strip 6, a plurality of expansion longitudinal grooves 4 are arranged, the expansion longitudinal grooves 4 are uniformly and axially distributed on the locking upper cambered surface 3, a plurality of expansion transverse grooves 5 are uniformly and transversely distributed on the locking upper cambered surface 3, and the depth of the expansion longitudinal grooves 4 is smaller than that of the expansion transverse grooves 5, lead the vertical position burr 15 of leading of many that is provided with of lateral surface of position lug 10, lead and be provided with in the recess 11 and lead position burr 16 of leading that position burr 15 corresponds the interlock, the quantity of locking screw hole 13 has a plurality ofly, 13 evenly distributed of locking screw hole is on the bottom axis of installation cavity 2, the bottom of locking core strip 6 is provided with positioning groove 17 with the top laminating department of locking screw 14, positioning groove 17 is the smooth recess of the conical of bottom opening crescent, terminal body 1 and locking core strip 6 are nickel plating copper material.
According to the invention, the terminal body 1, the mounting cavity 2, the locking upper cambered surface 3, the expanding longitudinal groove 4, the expanding transverse groove 5, the locking core strip 6, the locking lower cambered surface 7, the locking longitudinal groove 8, the locking transverse groove 9, the guide lug 10, the guide groove 11, the compression spring 12, the locking threaded hole 13 and the locking screw 14 are combined together, so that through test optimization, the contact area of a wiring terminal can be increased, the resistance value is smaller, the current-carrying capacity is high, the current overload is avoided, the connection is stable, the shock resistance is strong, and the connection safety is high.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. A kind of high-current connecting terminal, its characteristic: comprises a terminal body (1), a mounting cavity (2), a locking upper cambered surface (3), an expansion longitudinal groove (4), an expansion transverse groove (5), a locking core strip (6), a locking lower cambered surface (7), a locking longitudinal groove (8), a locking transverse groove (9), a guide lug (10), a guide groove (11), a compression spring (12), a locking threaded hole (13) and a locking screw rod (14), wherein the mounting cavity (2) is arranged in the terminal body (1), the locking upper cambered surface (3) is arranged at the top of the mounting cavity (2), a plurality of expansion longitudinal grooves (4) are axially arranged on the locking upper cambered surface (3), a plurality of expansion transverse grooves (5) are radially arranged on the locking upper cambered surface (3), the locking core strip (6) is arranged in the mounting cavity (2), and the locking lower cambered surface (7) corresponding to the locking upper cambered surface (3) is arranged at the top of the locking core strip (6), the locking device is characterized in that a plurality of locking longitudinal grooves (8) and expansion longitudinal grooves (4) are axially arranged on the locking lower arc surface (7) and correspondingly engaged, a plurality of locking transverse grooves (9) and expansion transverse grooves (5) are radially arranged on the locking lower arc surface (7) and correspondingly engaged, guide lugs (10) are correspondingly arranged on the left side and the right side of the locking core strip (6), guide grooves (11) corresponding to the guide lugs (10) are vertically arranged on the side wall of the installation cavity (2), compression springs (12) connected with the tops of the guide lugs (10) are arranged in the guide grooves (11), locking threaded holes (13) are arranged in the bottom axis positions of the installation cavity (2) in a penetrating manner, locking screw rods (14) are arranged in the locking threaded holes (13) in a penetrating manner, and the top ends of the locking screw rods (14) are attached to the bottom of the locking core strip (6).
2. A high current terminal as claimed in claim 1, wherein: the number of the expansion longitudinal grooves (4) is multiple, and the expansion longitudinal grooves (4) are uniformly and axially distributed on the locking upper arc surface (3).
3. A high current terminal as claimed in claim 1, wherein: the number of the expansion transverse grooves (5) is multiple, and the expansion transverse grooves (5) are uniformly and transversely distributed on the locking upper arc surface (3).
4. A high current terminal as claimed in claim 1, wherein: the depth of the expansion longitudinal groove (4) is smaller than that of the expansion transverse groove (5).
5. A high current terminal as claimed in claim 1, wherein: a plurality of guide convex lines (15) are vertically arranged on the outer side surface of the guide convex block (10), and guide concave lines (16) correspondingly meshed with the guide convex lines (15) are arranged in the guide groove (11).
6. A high current terminal as claimed in claim 1, wherein: the number of the locking threaded holes (13) is multiple, and the locking threaded holes (13) are uniformly distributed on the bottom axis of the mounting cavity (2).
7. A high current terminal as claimed in claim 1, wherein: the bottom of locking core strip (6) is provided with positioning groove (17) with the top laminating department of locking screw (14), positioning groove (17) are the smooth recess of the taper shape that bottom opening progressively enlarges.
8. A high current terminal as claimed in claim 1, wherein: the terminal body (1) and the locking core strip (6) are both made of nickel-plated copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110269599.9A CN113036496B (en) | 2021-03-12 | 2021-03-12 | Large-current wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110269599.9A CN113036496B (en) | 2021-03-12 | 2021-03-12 | Large-current wiring terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113036496A CN113036496A (en) | 2021-06-25 |
| CN113036496B true CN113036496B (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110269599.9A Active CN113036496B (en) | 2021-03-12 | 2021-03-12 | Large-current wiring terminal |
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| Country | Link |
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| CN (1) | CN113036496B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011124179A (en) * | 2009-12-14 | 2011-06-23 | Panasonic Electric Works Co Ltd | Receptacle block |
| CN102255147A (en) * | 2011-05-07 | 2011-11-23 | 广州开能电气实业有限公司 | Intelligent power connecting device |
| CN103367958A (en) * | 2013-07-03 | 2013-10-23 | 南车株洲电力机车有限公司 | Electro discharge jointing device and electro discharge system |
| CN104300304A (en) * | 2014-10-11 | 2015-01-21 | 江门市创艺电器有限公司 | Wiring terminal with pluggable pulling covers |
| CN204190077U (en) * | 2014-10-11 | 2015-03-04 | 江门市创艺电器有限公司 | One pulls out lid plug-in type connecting terminal |
| CN204376013U (en) * | 2015-03-09 | 2015-06-03 | 浙江正泰建筑电器有限公司 | Thickness line mixes the binding post of folder |
| CN204857594U (en) * | 2015-08-06 | 2015-12-09 | 温州创富高压电气有限公司 | Ac contactor's binding post |
-
2021
- 2021-03-12 CN CN202110269599.9A patent/CN113036496B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011124179A (en) * | 2009-12-14 | 2011-06-23 | Panasonic Electric Works Co Ltd | Receptacle block |
| CN102255147A (en) * | 2011-05-07 | 2011-11-23 | 广州开能电气实业有限公司 | Intelligent power connecting device |
| CN103367958A (en) * | 2013-07-03 | 2013-10-23 | 南车株洲电力机车有限公司 | Electro discharge jointing device and electro discharge system |
| CN104300304A (en) * | 2014-10-11 | 2015-01-21 | 江门市创艺电器有限公司 | Wiring terminal with pluggable pulling covers |
| CN204190077U (en) * | 2014-10-11 | 2015-03-04 | 江门市创艺电器有限公司 | One pulls out lid plug-in type connecting terminal |
| CN204376013U (en) * | 2015-03-09 | 2015-06-03 | 浙江正泰建筑电器有限公司 | Thickness line mixes the binding post of folder |
| CN204857594U (en) * | 2015-08-06 | 2015-12-09 | 温州创富高压电气有限公司 | Ac contactor's binding post |
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| Publication number | Publication date |
|---|---|
| CN113036496A (en) | 2021-06-25 |
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