CN115547647A - PCB inductor that pin is connected firmly - Google Patents

PCB inductor that pin is connected firmly Download PDF

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Publication number
CN115547647A
CN115547647A CN202211503993.5A CN202211503993A CN115547647A CN 115547647 A CN115547647 A CN 115547647A CN 202211503993 A CN202211503993 A CN 202211503993A CN 115547647 A CN115547647 A CN 115547647A
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CN
China
Prior art keywords
cylinder
connecting cylinder
wiring
wire
triangular
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Granted
Application number
CN202211503993.5A
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Chinese (zh)
Other versions
CN115547647B (en
Inventor
王春媚
张�杰
范平平
翟珈艺
李洪艳
张梦龙
张如意
王妍
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Tianjin Shengna Science Co ltd
TIANJIN LIGHT INDUSTRY VOCATIONAL TECHNICAL COLLEGE
Original Assignee
Tianjin Shengna Science Co ltd
TIANJIN LIGHT INDUSTRY VOCATIONAL TECHNICAL COLLEGE
Priority date (The priority date 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 date listed.)
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Application filed by Tianjin Shengna Science Co ltd, TIANJIN LIGHT INDUSTRY VOCATIONAL TECHNICAL COLLEGE filed Critical Tianjin Shengna Science Co ltd
Priority to CN202211503993.5A priority Critical patent/CN115547647B/en
Publication of CN115547647A publication Critical patent/CN115547647A/en
Application granted granted Critical
Publication of CN115547647B publication Critical patent/CN115547647B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

The invention discloses a PCB inductor with stably connected pins, which comprises an iron core column and a first limiting plate at two ends of the iron core column, wherein a coated electric wire is wound on the first limiting plate, an insulating sleeve is coated on the surface of the coated electric wire, connecting wires are respectively connected at two ends of the coated electric wire, a wiring board is detachably arranged at the end part of each connecting wire, a connecting cylinder is arranged at the bottom of the wiring board, a wiring cylinder is sleeved on the connecting cylinder in a threaded manner, a welding wire is arranged at the bottom of the wiring cylinder, and a central column and a pressing block fixed at the top of the central column are arranged at the bottom of the inner wall of the wiring cylinder; a clamping device which can prevent rotation through a clamping mode is arranged between the wire connecting cylinder and the connecting cylinder. The connecting cylinder is rotatably arranged in the connecting cylinder, the end part of the connecting wire is clamped between the wiring board and the pressing block, the triangular block abuts against the top of the convex ring, the connecting cylinder is prevented from moving upwards, the connecting cylinder cannot rotate and rise in the wiring cylinder, the connecting wire is firmly clamped between the wiring board and the pressing block, and the connecting cylinder has the advantages of being stable in wiring and convenient to install.

Description

PCB inductor that pin is connected firmly
Technical Field
The invention relates to the technical field of inductors, in particular to a PCB inductor with stably connected pins.
Background
The inductor is a circuit element mounted on a circuit board, and pins of the inductor are generally soldered on the circuit board by soldering tin.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, because an inductor is large in size and heavy in weight, pins of the inductor cannot be firmly welded on a circuit board, and therefore the wiring of the inductor is unstable, and therefore the PCB inductor with the stably connected pins is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a PCB inductor with stably connected pins comprises an iron core column and a first limiting plate at two ends of the iron core column, wherein a coated electric wire is wound on the first limiting plate, an insulating sleeve is coated on the surface of the coated electric wire, connecting wires are respectively connected to two ends of the coated electric wire, a wiring board is detachably arranged at the end part of each connecting wire, a connecting cylinder is arranged at the bottom of the wiring board, a wiring cylinder is sleeved on the connecting cylinder in a threaded manner, a welding wire is arranged at the bottom of the wiring cylinder, and a central column and a pressing block fixed to the top of the central column are arranged at the bottom of the inner wall of the wiring cylinder; a clamping device which can prevent rotation through a clamping connection mode is arranged between the connecting cylinder and the connecting cylinder.
And, the screens device includes perpendicular shell fragment, triangle piece and bulge loop, and the bottom embedding of wire barrel inner wall is provided with a plurality of perpendicular shell fragments, and one side of perpendicular shell fragment tip is fixed and is provided with the triangle piece, and the bottom of connecting cylinder inner wall is inboard integrated into one piece has the bulge loop.
Moreover, the inclination angle of the bottom surface of the convex ring is 55-65 degrees, the inclination angle of the top surface of the triangular block is 40-50 degrees, the top surface of the convex ring and the bottom surface of the triangular block are planes, and the triangular block clamps the top of the convex ring to prevent the connecting cylinder from moving upwards and rotating.
And the vertical elastic sheet is welded at the bottom of the inner wall of the wiring barrel and surrounds the periphery of the central column.
And, the screens device includes second limiting plate, horizontal shell fragment and triangular rod, and the middle part embedding of center post is provided with second limiting plate and horizontal shell fragment, and the inner wall of connecting cylinder is fixed and is provided with a plurality of triangular rods.
And the second limiting plate is tightly attached to the surface of the horizontal elastic sheet, the triangular rod surrounds the inner wall of the connecting cylinder, and the end part of the horizontal elastic sheet abuts against the side surface of the triangular rod to prevent the connecting cylinder from rotating.
And the included angle between two surfaces of the triangular rod is 60 degrees, and the included angle difference between the two surfaces of the triangular rod and the inner wall of the connecting cylinder is 30 degrees.
And the length of the horizontal elastic sheet is greater than that of the second limiting plate and extends into the gaps of the triangular rods, and the second limiting plate is wound in the middle of the triangular rods.
Moreover, a wiring hole is formed in the wiring board, a thread groove is formed in the surface of the connecting cylinder, internal threads matched with the thread groove are formed in the inner wall of the wiring cylinder, and a protective sleeve is arranged at the bottom of the wiring cylinder and covers the welding wire.
And the end part of the connecting wire passes through the wiring hole and is clamped by the wiring board and the pressing block, and the connecting wire, the wiring board, the connecting cylinder, the central column, the pressing block, the connecting cylinder and the welding wire are all made of metal materials.
The invention has the beneficial effects that: the connecting cylinder is rotatably arranged in the connecting cylinder, the end part of the connecting wire is clamped between the wiring board and the pressing block, the triangular block abuts against the top of the convex ring to prevent the connecting cylinder from moving upwards, so that the connecting cylinder cannot rotate and rise in the connecting cylinder, the triangular block is matched with the convex ring to have a non-return function, and the connecting cylinder are acted, so that the connecting wire is firmly clamped between the wiring board and the pressing block, and the connecting cylinder has the advantages of stable wiring and convenience in installation; horizontal shell fragment is stirred the bending by the set-square pole, and horizontal shell fragment supports the side at the set-square pole, and the limiting plate supports the side at horizontal shell fragment, avoids horizontal shell fragment to another orientation crooked, prevents the connecting cylinder gyration, and horizontal shell fragment, limiting plate cooperation set-square pole are used in between a connecting cylinder and connecting cylinder, make the centre gripping of connecting wire firmly at the wiring board and between pressing the briquetting, have the advantage that the wiring is stable, simple to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 4 is a schematic view of a wire barrel according to a first embodiment of the present invention;
FIG. 5 is a schematic view of a patch panel of the first embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a second embodiment of the present invention;
FIG. 8 is a schematic view of a patch panel of a second embodiment of the present invention;
FIG. 9 is a schematic view of a wire barrel according to a second embodiment of the present invention;
fig. 10 is a schematic top view of a wiring board according to a second embodiment of the present invention.
In the figure: the device comprises an iron core column 1, a first limiting plate 2, a coated electric wire 3, an insulating sleeve 4, a connecting wire 5, a wiring board 7, a wiring barrel 8, a central column 9, a wiring hole 10, a pressing block 11, a connecting barrel 12, a thread groove 13, an internal thread 14, a protective sleeve 15, a welding wire 16, a vertical elastic sheet 17, a triangular block 18, a convex ring 19, a second limiting plate 20, a horizontal elastic sheet 21 and a triangular rod 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-5, a PCB inductor with stably connected pins comprises an iron core column 1 and limiting plates I2 at two ends of the iron core column, wherein a coated electric wire 3 is wound on the limiting plates I2, an insulating sleeve 4 is coated on the surface of the coated electric wire 3, two ends of the coated electric wire 3 are respectively connected with connecting wires 5, a wiring board 7 is detachably arranged at the end part of each connecting wire 5, a connecting cylinder 12 is arranged at the bottom of each wiring board 7, a wiring cylinder 8 is sleeved on the connecting cylinder 12 in a threaded manner, a welding wire 16 is arranged at the bottom of the wiring cylinder 8, and a central column 9 and a pressing block 11 fixed to the top of the central column are arranged at the bottom of the inner wall of the wiring cylinder 8; a clamping device which can prevent rotation in a clamping manner is arranged between the wire connecting cylinder 8 and the connecting cylinder 12.
Preferably, the clamping device comprises a plurality of vertical elastic sheets 17, a triangular block 18 and a convex ring 19, the bottom of the inner wall of the junction box 8 is embedded with the vertical elastic sheets 17, the triangular block 18 is fixedly arranged on one side of the end part of each vertical elastic sheet 17, and the convex ring 19 is integrally formed on the bottom of the inner wall of the junction box 12 towards the inner side;
during the concrete implementation, perpendicular shell fragment 17 inserts the bottom of 8 inner walls of a wiring section of thick bamboo, again with perpendicular shell fragment 17 and 8 welding of a wiring section of thick bamboo, make perpendicular shell fragment 17 fix in a wiring section of thick bamboo 8, again with center post 9 welding in a wiring section of thick bamboo 8, bulge loop 19 moves down and promotes triangle piece 18 and be close to each other, perpendicular shell fragment 17 is crooked, connecting cylinder 12 rotates the back to the position, perpendicular shell fragment 17 kick-backs, make the bottom of triangle piece 18 be located the top of bulge loop 19, triangle piece 18 prevents bulge loop 19 and 12 rebound of a wiring section of thick bamboo, ensure wiring board 7 and press the firm centre gripping connecting wire 5 of pressing block 11.
Preferably, the vertical elastic sheet 17 is welded at the bottom of the inner wall of the junction box 8, the vertical elastic sheet 17 surrounds the periphery of the center post 9, the inclination angle of the bottom surface of the convex ring 19 is 55-65 degrees, the inclination angle of the top surface of the triangular block 18 is 40-50 degrees, the top surface of the convex ring 19 and the bottom surface of the triangular block 18 are planes, the triangular block 18 clamps the top of the convex ring 19 to prevent the junction box 12 from moving upwards and rotating, the inclined plane of the bottom of the convex ring 19 abuts against the inclined plane of the top of the triangular block 18 when the convex ring 19 moves downwards, the convex ring 19 can push the triangular blocks 18 to approach each other, after the convex ring 19 moves below the triangular block 18, the plane of the top of the convex ring 19 and the plane of the bottom of the triangular block 18 are staggered, and the vertical elastic sheet 17 rebounds to enable the triangular block 18 to automatically lock the convex ring 19 and the junction box 12.
Preferably, the wiring board 7 is provided with a wiring hole 10, the surface of the connecting cylinder 12 is provided with a thread groove 13, the inner wall of the wiring cylinder 8 is provided with an internal thread 14 matched with the thread groove 13, the bottom of the wiring cylinder 8 is provided with a protective sleeve 15 for sheathing a welding wire 16, the protective sleeve 15 can protect the welding wire 16, and the welding wire 16 is directly connected in the circuit board.
Preferably, the end of the connecting wire 5 passes through the wiring hole 10 and is clamped by the wiring board 7 and the pressing block 11, the connecting wire 5, the wiring board 7, the wiring cylinder 8, the central column 9, the pressing block 11, the connecting cylinder 12 and the welding wire 16 are all made of metal materials, and the connecting wire 5, the wiring board 7, the wiring cylinder 8, the central column 9, the pressing block 11, the connecting cylinder 12 and the welding wire 16 can conduct electricity, so that the coated electric wire 3 is connected into the circuit board.
When the connecting wire connecting device is used, firstly, the end part of the connecting wire 5 is vertically bent, then the connecting wire 5 is inserted into the connecting hole 10, the end part of the connecting wire 5 is attached to the bottom of the wiring board 7, secondly, the welding wire 16 is connected into a circuit board, then, the wiring barrel 8 is sleeved on the connecting barrel 12, then, the wiring board 7 and the connecting barrel 12 are rotated, the connecting barrel 12 is screwed into the wiring barrel 8 through the matching of the thread groove 13 on the surface of the connecting barrel 12 and the internal thread 14 on the inner wall, the convex ring 19 rotates along with the connecting barrel 12 and moves downwards, the inclined plane at the bottom of the convex ring 19 abuts against the inclined plane at the top of the triangular block 18 when the convex ring 19 moves downwards, the convex ring 19 can push a plurality of triangular blocks 18 to be close to each other, when the convex ring 19 moves below the triangular block 18, the plane at the top of the convex ring 19 is staggered with the plane at the bottom of the triangular block 18, the vertical elastic sheets 17 rebound to enable the triangular block 18, the convex ring 19 and the connecting barrel 12 to be automatically locked, and the end part of the connecting wire 5 is clamped between the wiring board 7 and the pressing block 11 to finish the wiring work.
Example two
Referring to fig. 6-10, the difference from the embodiment is that the locking device includes a second limit plate 20, a horizontal elastic sheet 21 and a triangular rod 22, the second limit plate 20 and the horizontal elastic sheet 21 are embedded in the middle of the central column 9, the plurality of triangular rods 22 are fixedly disposed on the inner wall of the connecting cylinder 12, the second limit plate 20 is tightly attached to the surface of the horizontal elastic sheet 21, the triangular rods 22 surround the inner wall of the connecting cylinder 12, and the end of the horizontal elastic sheet 21 abuts against the side surface of the triangular rod 22 to prevent the connecting cylinder 12 from rotating;
during the concrete implementation, connecting cylinder 12 is rotatory to be installed in bobbin 8, connecting cylinder 12 clockwise rotation and downward movement, horizontal shell fragment 21 is bent with the inclined plane of triangle-shaped pole 22, make and form the clearance between horizontal shell fragment 21 and the two 20 limiting plates, after connecting cylinder 12 rotated to target in place, terminal board 7 is pressed the tip of connecting wire 5 at the top of pressing the briquetting 11, horizontal shell fragment 21 supports another face at triangle-shaped pole 22, horizontal shell fragment 21 is spacing by two 20 limiting plates, horizontal shell fragment 21 hinders triangle-shaped pole 22 and connecting cylinder 12 anticlockwise rotation, prevent connecting cylinder 12 rebound in bobbin 8, ensure the tip of connecting wire 5 firmly the centre gripping between terminal board 7 and pressing briquetting 11, accomplish wiring work.
Preferably, the contained angle between two faces of triangular rod 22 is 60, contained angle difference 30 between two faces of triangular rod 22 and the inner wall of connecting cylinder 12, the length of horizontal shell fragment 21 is greater than the length of two 20 limiting plates and extends into the clearance of triangular rod 22, two 20 limiting plates encircle in the centre of a plurality of triangular rods 22, the inclined plane of triangular rod 22 promotes the crooked two 20 limiting plates of keeping away from of horizontal shell fragment 21, horizontal shell fragment 21 card is between two 20 limiting plates and triangular rod 22, play the non return function, prevent that connecting cylinder 12 from revolving at connecting cylinder 8 rebound, ensure the centre gripping of the tip of connecting wire 5 firmly between wiring board 7 and pressing block 11.
The diameter of the pressing block 11 is larger than that of the central column 9, the height of the pressing block 11 is consistent with that of the wiring barrel 8, and the pressing block 11 can be matched with the wiring board 7 to clamp the connecting wires 5;
the sheathed electric wire 3 is wound on the surface of the core limb 1, an induction magnetic field is generated when the sheathed electric wire 3 is electrified to form an inductor, the insulating sleeve 4 protects the sheathed electric wire 3, and the limiting plate I2 limits the sheathed electric wire 3, so that the sheathed electric wire 3 can be fully wound on the core limb 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a firm PCB inductor is connected to pin, includes limiting plate (2) at iron core post (1) and its both ends, and the winding has foreskin electric wire (3) on limiting plate (2), and the surface coating of foreskin electric wire (3) has insulating cover (4), and the both ends of foreskin electric wire (3) are connected with connecting wire (5), its characterized in that respectively: the end part of the connecting wire (5) is detachably provided with a wiring board (7), the bottom of the wiring board (7) is provided with a connecting cylinder (12), the connecting cylinder (12) is in threaded sleeve connection with a wiring cylinder (8), the bottom of the wiring cylinder (8) is provided with a welding wire (16), and the bottom of the inner wall of the wiring cylinder (8) is provided with a central column (9) and a pressing block (11) fixed to the top of the central column; a clamping device which can prevent rotation in a clamping manner is arranged between the wire connecting cylinder (8) and the connecting cylinder (12).
2. The PCB inductor with the firmly connected pins as claimed in claim 1, wherein the locking device comprises vertical spring pieces (17), triangular blocks (18) and convex rings (19), the bottom of the inner wall of the junction box (8) is embedded with a plurality of vertical spring pieces (17), one side of the end part of each vertical spring piece (17) is fixedly provided with the triangular block (18), and the bottom of the inner wall of the junction box (12) is integrally formed with the convex rings (19) towards the inner side.
3. The PCB inductor with stable pin connection according to claim 2, wherein the bottom surface of the convex ring (19) is inclined at an angle of 55-65 °, the top surface of the triangular block (18) is inclined at an angle of 40-50 °, the top surface of the convex ring (19) and the bottom surface of the triangular block (18) are planes, and the triangular block (18) blocks the top of the convex ring (19) to prevent the connecting cylinder (12) from moving upwards and turning around.
4. The PCB inductor with stable pin connection according to claim 2, wherein the vertical spring (17) is welded at the bottom of the inner wall of the wire barrel (8), and the vertical spring (17) surrounds the periphery of the central post (9).
5. The PCB inductor with the firmly connected pins according to claim 1, wherein the clamping device comprises a second limiting plate (20), a horizontal spring (21) and triangular rods (22), the second limiting plate (20) and the horizontal spring (21) are embedded in the middle of the central column (9), and a plurality of triangular rods (22) are fixedly arranged on the inner wall of the connecting cylinder (12).
6. The PCB inductor with the pins firmly connected according to claim 5, wherein the second limiting plate (20) is tightly attached to the surface of the horizontal spring (21), the triangular rod (22) surrounds the inner wall of the connecting cylinder (12), and the end of the horizontal spring (21) abuts against the side surface of the triangular rod (22) to prevent the connecting cylinder (12) from rotating.
7. A pin-connected PCB inductor according to claim 5, wherein the angle between the two faces of the triangular rod (22) is 60 °, and the angle between the two faces of the triangular rod (22) and the inner wall of the connecting cylinder (12) differs by 30 °.
8. The pin-connected PCB inductor as recited in claim 5, wherein the horizontal spring (21) has a length greater than that of the second bump stop (20) and extends into the gap of the triangular rods (22), and the second bump stop (20) surrounds the triangular rods (22).
9. The PCB inductor with stable pin connection according to any one of claims 2-8, wherein the wiring board (7) is provided with a wiring hole (10), the surface of the connecting cylinder (12) is provided with a thread groove (13), the inner wall of the wiring cylinder (8) is provided with an internal thread (14) matched with the thread groove (13), and the bottom of the wiring cylinder (8) is provided with a protective sleeve (15) for covering the welding wire (16).
10. The PCB inductor with the firmly connected pins according to claim 1, wherein the end of the connection wire (5) passes through the connection hole (10) and is clamped by the connection board (7) and the pressing block (11), and the connection wire (5), the connection board (7), the connection cylinder (8), the center post (9), the pressing block (11), the connection cylinder (12) and the welding wire (16) are all made of metal.
CN202211503993.5A 2022-11-29 2022-11-29 PCB inductor with stable pin connection Active CN115547647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211503993.5A CN115547647B (en) 2022-11-29 2022-11-29 PCB inductor with stable pin connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211503993.5A CN115547647B (en) 2022-11-29 2022-11-29 PCB inductor with stable pin connection

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CN115547647A true CN115547647A (en) 2022-12-30
CN115547647B CN115547647B (en) 2023-05-16

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH661632A5 (en) * 1985-01-15 1987-07-31 Cfg Sa Socket for electronic component
JPH05251876A (en) * 1991-02-28 1993-09-28 Tokai Tsushin Kogyo Kk Electronic parts fitting device and its method
JPH0620754A (en) * 1992-07-03 1994-01-28 Hitachi Ltd Socket for installation of transformer circuit board
JPH1197138A (en) * 1997-09-16 1999-04-09 Sumitomo Wiring Syst Ltd Ic socket for printed circuit board
CN101494324A (en) * 2008-01-22 2009-07-29 台达电子工业股份有限公司 Earthing terminal
JP2011216298A (en) * 2010-03-31 2011-10-27 Yamatake Corp Terminal block
CN107046195A (en) * 2016-02-05 2017-08-15 刘刚 Power system special-purpose multifunctional connector
CN208433302U (en) * 2018-08-20 2019-01-25 中山市乐明铬电子实业有限公司 Power transformer with connecting base plate
CN110444912A (en) * 2019-09-02 2019-11-12 赵青山 A kind of harness connecting terminal
CN111009774A (en) * 2019-12-13 2020-04-14 国网山东省电力公司烟台供电公司 Insulating protective cover for high-voltage metering box
CN213846091U (en) * 2020-11-10 2021-07-30 西南大学 Communication engineering uses multi-functional termination

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH661632A5 (en) * 1985-01-15 1987-07-31 Cfg Sa Socket for electronic component
JPH05251876A (en) * 1991-02-28 1993-09-28 Tokai Tsushin Kogyo Kk Electronic parts fitting device and its method
JPH0620754A (en) * 1992-07-03 1994-01-28 Hitachi Ltd Socket for installation of transformer circuit board
JPH1197138A (en) * 1997-09-16 1999-04-09 Sumitomo Wiring Syst Ltd Ic socket for printed circuit board
CN101494324A (en) * 2008-01-22 2009-07-29 台达电子工业股份有限公司 Earthing terminal
JP2011216298A (en) * 2010-03-31 2011-10-27 Yamatake Corp Terminal block
CN107046195A (en) * 2016-02-05 2017-08-15 刘刚 Power system special-purpose multifunctional connector
CN208433302U (en) * 2018-08-20 2019-01-25 中山市乐明铬电子实业有限公司 Power transformer with connecting base plate
CN110444912A (en) * 2019-09-02 2019-11-12 赵青山 A kind of harness connecting terminal
CN111009774A (en) * 2019-12-13 2020-04-14 国网山东省电力公司烟台供电公司 Insulating protective cover for high-voltage metering box
CN213846091U (en) * 2020-11-10 2021-07-30 西南大学 Communication engineering uses multi-functional termination

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