CN112908621B - Mutual inductor with stable fixing structure - Google Patents
Mutual inductor with stable fixing structure Download PDFInfo
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- CN112908621B CN112908621B CN202110075047.4A CN202110075047A CN112908621B CN 112908621 B CN112908621 B CN 112908621B CN 202110075047 A CN202110075047 A CN 202110075047A CN 112908621 B CN112908621 B CN 112908621B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- General Induction Heating (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention relates to the technical field of mutual inductor installation, in particular to a mutual inductor with a stable fixing structure, which comprises a mutual inductor shell, wherein a circular inner cavity of the mutual inductor shell is arranged as an installation inner cavity, a heat dissipation boss is arranged in the middle of the upper end of the mutual inductor shell, and a plug-in base is arranged at the lower end of the mutual inductor shell, and the mutual inductor has the beneficial effects that: the installation block is arranged in a sliding manner, so that the left and right installation fixing positions are matched with the intervals between adjacent circuits, the installation fixing range of the mutual inductor is improved, the installation stability of the mutual inductor is greatly enhanced, and meanwhile, the extrusion fixing of the sliding position is realized by utilizing the transformer change of the U-shaped pipe; through the cooperation that sets up pull rod and grafting frame, it is fixed to realize carrying out the pressfitting to terminal connection position to improve circuit connection's stability, cooperation extrusion screw and lock nut's rotation, thereby realize the convenient dismantlement of terminal position, improved the installation effectiveness of mutual-inductor greatly.
Description
Technical Field
The invention relates to the technical field of mutual inductor installation, in particular to a mutual inductor with a stable fixing structure.
Background
The mutual inductor is also called an instrument transformer, and is a general name of a current transformer and a voltage transformer. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment.
Two sets of coils on the mutual-inductor are used for connecting different circuits to lead to the mutual-inductor in the actual installation unable and adjacent circuit between the interval distance looks adaptation, thereby make the installation degree of difficulty increase of mutual-inductor in adjacent circuit, current mutual-inductor terminal lacks fixing device when with circuit connection simultaneously, single connecting terminal cup joints and fixes and drop easily in actual test, thereby leads to the circuit connection stability to reduce.
Therefore, the mutual inductor with the stable fixing structure is provided to solve the problems of installation and connection of the mutual inductor between adjacent circuits.
Disclosure of Invention
The invention aims to provide a mutual inductor with a stable fixing structure so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a mutual inductor with a stable fixing structure comprises a mutual inductor shell, wherein a circular inner cavity of the mutual inductor shell is arranged as an installation inner cavity, a heat dissipation boss is arranged in the middle of the upper end of the mutual inductor shell, an inserting base is arranged at the lower end of the mutual inductor shell, a middle through hole which penetrates through the mutual inductor shell from front to back is arranged in the middle of the front end face of the mutual inductor shell, the installation base is transversely installed at the lower end of the mutual inductor shell, a pair of bilaterally symmetrical positive terminals is arranged at the lower end face of the mutual inductor shell, a pair of bilaterally symmetrical negative terminals is arranged on the lower end face of the mutual inductor shell, a mutual inductor core is arranged inside the installation inner cavity, a hook is arranged at the upper end of the installation inner cavity, a primary coil is wound on the left side of the mutual inductor core, a secondary coil is wound on the right side of the mutual inductor core, a middle cross beam is transversely installed in the inner cavity of the middle through hole, a threaded inner cavity of the middle cross beam is provided with a through hole, a pull rod is vertically installed at the lower end of the middle cross beam, an extrusion screw rod is rotatably installed at the upper end of the threaded inner hole, the pull rod penetrates through the mutual inductor shell and the inserting base, the lower end of the pull rod extends to the left and right side of the mutual inductor shell and the left side of the mutual inductor shell and the mutual inductor shell, a plug frame is provided with a locking nut;
the utility model discloses a fixing device for fixing the plug-in connection of installation base, including installation base, spout, sliding installation piece, telescopic link, sucking disc, telescopic link, limiting plate is arranged in the upper end inner chamber of spout, and the inseparable pressfitting of up end of limiting plate is at the upper end inner wall of spout, and the right and left sides outer wall of plug-in connection base is connected through screw fixed mounting's right angle connecting piece with the upper end of installation base, the spout has transversely been seted up to the lower terminal surface left and right sides of installation base, slidable installation piece slidable mounting in the spout, slidable mounting piece's right side is provided with the U-shaped pipe, and the inner chamber of slidable mounting piece and the inner chamber of U-shaped pipe set up to sealed inner chamber, sealed inner chamber's lower extreme and upper end opening all slide and peg graft there is the telescopic link, and the telescopic link tip of sealed inner chamber lower extreme is provided with the sucking disc, and the telescopic link tip of sealed inner chamber upper end is provided with the limiting plate, the limiting plate is arranged in the upper end inner chamber of spout, and the inseparable pressfitting of limiting plate is at the upper end inner wall of spout.
Preferably, the upper end fixed mounting of couple is at the inner wall of the inner chamber upper end of heat dissipation boss, and the lower extreme articulate at mutual inductance core's lower extreme of couple, the left and right sides of heat dissipation boss is provided with the filter screen.
Preferably, the positive and negative connectors of the primary coil and the secondary coil are respectively connected to the positive terminal and the negative terminal, and a gap is reserved between the outer walls of the primary coil and the secondary coil and the inner wall of the mounting inner cavity.
Preferably, a pair of slots which are symmetrical to each other are arranged on the inner walls of the left side and the right side of the middle opening, the left side and the right side of the middle cross beam are fixedly welded with the inserting strips, and the inserting strips are inserted into the inner cavities of the slots in a sliding mode.
Preferably, the top plate is pressed on the lower end face of the middle cross beam, the spring is sleeved on the outer wall of the upper end of the pull rod, and the upper end and the lower end of the spring are pressed between the top plate and the inner wall of the lower end of the middle opening.
Preferably, the interlude of pull rod runs through the annular mutual inductance iron core lower extreme, and pull rod and mutual inductance iron core hookup location department are provided with insulating cover, the fixed outer wall at the pull rod of fixed cover.
Preferably, the lower extreme of pull rod and the left and right ends of grafting frame all fixed welding have a pair of bilateral symmetry's clamping ring, two sets of bilateral symmetry about from top to bottom the clamping ring slides respectively and cup joints on positive terminal and negative terminal.
Preferably, the upper end of the sliding installation block is provided with a sliding block, the sliding block is inserted into an inner cavity of the sliding groove in a sliding mode, the end portion of one side of the telescopic rod is fixedly provided with a piston, and the piston is installed in the sealed inner cavity in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the sliding installation blocks are arranged, so that the left and right installation fixing positions are mutually matched with the intervals between adjacent circuits, the installation fixing range of the mutual inductor is improved, the installation stability of the mutual inductor is greatly enhanced, and meanwhile, the extrusion fixing of the sliding positions is realized by utilizing the pressure device change of the U-shaped pipe;
2. according to the invention, the connection position of the wiring column is pressed and fixed by matching the pull rod with the insertion frame, so that the stability of circuit connection is improved, and the rotation of the extrusion screw and the locking nut is matched, so that the convenient disassembly of the wiring position is realized, and the installation efficiency of the mutual inductor is greatly improved;
3. according to the invention, the iron core is hung in the air by arranging the hook, so that a gap is reserved between the coil and the inner wall, and the phenomenon that the coil is deformed or broken due to extrusion between the coil wire body and the inner wall caused by the gravity of the iron core is avoided.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is an enlarged view of a structure a in fig. 1.
In the figure: 1. a transformer housing; 2. installing an inner cavity; 3. a heat dissipation boss; 4. inserting a base; 5. a mutual inductance iron core; 6. a primary coil; 7. a secondary coil; 8. opening a hole in the middle; 9. hooking; 10. a filter screen; 11. inserting slots; 12. a middle cross beam; 13. cutting; 14. a threaded inner bore; 15. extruding the screw; 16. a pull rod; 17. an insulating sleeve; 18. a top plate; 19. a spring; 20. a plug-in frame; 21. a positive terminal; 22. installing a base; 23. a negative terminal; 24. a sliding mounting block; 25. a chute; 26. a U-shaped tube; 27. pressing a ring; 28. a right angle connector; 29. a suction cup; 30. a through hole; 31. a slider; 32. sealing the inner cavity; 33. a telescopic rod; 34. a piston; 35. a limiting plate; 36. and locking the nut.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution:
the utility model provides a mutual-inductor with stable formula fixed knot constructs, including mutual-inductor shell 1, the ring inner chamber of mutual-inductor shell 1 sets up to installation inner chamber 2, the inside of installation inner chamber 2 is provided with mutual inductance core 5, be provided with heat dissipation boss 3 in the middle of mutual-inductor shell 1's the upper end, the upper end fixed mounting of couple 9 is at the inner chamber upper end inner wall of heat dissipation boss 3, and the lower extreme of couple 9 articulates at mutual inductance core 5's lower extreme, the left and right sides of heat dissipation boss 3 is provided with filter screen 10, utilize the cooperation of heat dissipation boss 3 and filter screen 10, the realization is dispelled the heat to installation inner chamber 2 insides, utilize couple 9 to realize mutual inductance core 5's suspension installation.
The preceding terminal surface lower extreme of mutual-inductor shell 1 is provided with a pair of positive terminal 21 of bilateral symmetry, the lower terminal surface of mutual-inductor shell 1 is provided with a pair of negative terminal 23 of bilateral symmetry, the upper end of installation inner chamber 2 is provided with couple 9, the left side winding of mutual-inductor core 5 has primary coil 6, the right side winding of mutual-inductor core 5 has secondary coil 7, the positive and negative terminal of primary coil 6 and secondary coil 7 is connected respectively on positive terminal 21 and the negative terminal 23, and leave the clearance between the outer wall of primary coil 6 and secondary coil 7 and the inner wall of installation inner chamber 2, utilize couple 9 to make mutual-inductor core 5 unsettled installation, thereby make and leave the clearance between the inner wall of installation inner chamber 2, avoid because the gravity of mutual-inductor core 5 causes the extrusion between the coil wire body and the inner wall, make the coil warp or split.
The pull rod 16 is vertically installed to the lower extreme of middle beam 12, and pull rod 16 runs through mutual inductor shell 1 and grafting base 4, and the interlude of pull rod 16 runs through the 5 lower extremes of ring form mutual inductance core, and pull rod 16 and 5 hookup location departments of mutual inductance core are provided with insulating cover 17, and insulating cover 17 is fixed to be cup jointed at the outer wall of pull rod 16, reduces the influence of pull rod 16 to mutual inductance core 5 through insulating cover 17.
The upper end of the pull rod 16 is provided with a top plate 18, the lower end of the top plate 18 is provided with a spring 19, the top plate 18 is pressed on the lower end face of the middle cross beam 12, the spring 19 is sleeved on the outer wall of the upper end of the pull rod 16, the upper end and the lower end of the spring 19 are pressed between the top plate 18 and the inner wall of the lower end of the middle opening 8, and the top plate 18 drives the pull rod 16 to upwards and tightly abut against the lower end face of the middle cross beam 12 by means of the reset elasticity of the spring 19.
The lower extreme of pull rod 16 extends to between a pair of negative terminal 23 of bilateral symmetry, the through hole 30 that runs through around the preceding terminal surface lower extreme of pull rod 16 is provided with, it has grafting frame 20 to peg graft in the through hole 30, the equal fixed welding in both ends has a pair of bilateral symmetry's clamping ring 27 about the lower extreme of pull rod 16 and grafting frame 20, upper and lower two sets of bilateral symmetry's clamping ring 27 slides respectively and cup joints on positive terminal 21 and negative terminal 23, it is fixed to utilize clamping ring 27 to realize extrudeing the hookup location, thereby improve circuit connection's stability.
The middle inner chamber of middle cross beam 12 is provided with screw thread hole 14, and extrusion screw 15 is installed in the upper end screw thread rotation of screw thread hole 14, rotates through extrusion screw 15's lower extreme screw thread to reach the purpose of extrusion roof 18, the front end of grafting frame 20 is provided with lock nut 36, through the rotation of extrusion screw 15 and lock nut 36, thereby realizes the convenient dismantlement of wiring position, has improved the installation effectiveness of circuit connection and dismantlement greatly.
The lower extreme of mutual-inductor shell 1 is provided with grafting base 4, and installation base 22 is transversely installed to the lower extreme of mutual-inductor shell 1, and the grafting of grafting base 4 is in the upper end through-hole of installation base 22, and the right-angle connection spare 28 that the right and left sides outer wall of grafting base 4 and the upper end of installation base 22 pass through screw fixed mounting is connected.
The left side and the right side of the lower end face of the mounting base 22 are transversely provided with sliding grooves 25, sliding mounting blocks 24 are arranged in the sliding grooves 25 in a sliding mode, sliding blocks 31 are arranged at the upper ends of the sliding mounting blocks 24, the sliding blocks 31 are inserted into the inner cavities of the sliding grooves 25 in a sliding mode, and left-right sliding adjustment of the sliding mounting blocks 24 is achieved through cooperation of the sliding grooves 25 and the sliding blocks 31.
The right side of slidable mounting piece 24 is provided with U-shaped pipe 26, the inner chamber of slidable mounting piece 24 and the inner chamber intercommunication of U-shaped pipe 26, the inner chamber of slidable mounting piece 24 and the inner chamber of U-shaped pipe 26 set up to sealed inner chamber 32, sealed inner chamber 32's lower extreme and upper end opening all slide to peg graft and have telescopic link 33, a side end fixed mounting of telescopic link 33 has piston 34, piston 34 slidable mounting is in sealed inner chamber 32, utilize piston 34 to realize the slip lift of telescopic link 33 in sealed inner chamber 32.
The end part of the telescopic rod 33 at the lower end of the sealing inner cavity 32 is provided with the sucking disc 29, the end part of the telescopic rod 33 at the upper end of the sealing inner cavity 32 is provided with the limiting plate 35, the limiting plate 35 is positioned in the inner cavity at the upper end of the sliding groove 25, the upper end face of the limiting plate 35 is tightly pressed on the inner wall at the upper end of the sliding groove 25, the fixed installation of the mutual inductor shell 1 and the installation base 22 between adjacent circuits is realized by using the sucking disc 29, the sucking disc 29 is fixedly adsorbed on the installation plane under the action of gravity of the mutual inductor shell 1 and the installation base 22, and due to the extrusion of gravity, the telescopic rod 33 at the upper end of the sucking disc 29 moves upwards, in order to keep the balance of the pressure device in the U-shaped pipe 26, the telescopic rod 33 at the lower end of the limiting plate 35 ascends, the tight pressing of the limiting plate 35 is in the inner wall at the upper end of the sliding groove 25, and the extrusion fixation of the sliding position is realized.
The working principle is as follows: at first, utilize the cooperation of heat dissipation boss 3 and filter screen 10, realize dispelling the heat to installation inner chamber 2 inside, utilize couple 9 to realize mutual inductance iron core 5's suspension installation, utilize couple 9 to make mutual inductance iron core 5 unsettled installation to make and leave the clearance between the inner wall of coil and installation inner chamber 2, avoid because the gravity of mutual inductance iron core 5 causes the extrusion between the coil line body and the inner wall, make the coil warp or fracture.
Utilize slot 11 and the cooperation of cutting 13, realize the grafting installation of middle cross beam 12, reduce the influence of pull rod 16 to mutual inductive iron core 5 through insulating cover 17, utilize the elasticity that resets of spring 19, make roof 18 drive pull rod 16 upwards closely to support at the lower terminal surface of middle cross beam 12, utilize clamping ring 27 to realize extrudeing fixedly to hookup location, thereby improve circuit connection's stability, lower extreme screw thread through extrusion screw 15 rotates, thereby reach the mesh of extrusion roof 18, the front end of grafting frame 20 is provided with lock nut 36, through the rotation of extrusion screw 15 and lock nut 36, thereby realize the convenient dismantlement of binding post position, the installation effectiveness of circuit connection and dismantlement has been improved greatly.
The left and right outer walls of the plug-in base 4 are connected with the upper end of the mounting base 22 through a right-angle connecting piece 28 fixedly mounted by screws, the sliding chute 25 is matched with the sliding block 31, the left and right sliding adjustment of the sliding mounting block 24 is realized, the sliding lifting of the telescopic rod 33 in the sealed inner cavity 32 is realized by the piston 34, the fixed mounting of the mutual inductor shell 1 and the mounting base 22 between adjacent circuits is realized by the sucking disc 29, the sucking disc 29 is fixedly adsorbed on the mounting plane under the action of gravity of the mutual inductor shell 1 and the mounting base 22, the telescopic rod 33 at the upper end of the sucking disc 29 is upwards moved due to the extrusion of the gravity, in order to keep the balance of the pressure device in the U-shaped pipe 26, the telescopic rod 33 at the lower end of the limiting plate 35 is lifted at the moment, the limiting plate 35 is tightly pressed in the inner wall of the upper end of the sliding chute 25, and the extrusion fixing of the sliding position is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mutual-inductor with stable form fixed knot constructs, includes mutual-inductor shell (1), its characterized in that: the transformer comprises a transformer shell (1), a heat dissipation boss (3) is arranged in the middle of the upper end of the transformer shell (1), an insertion base (4) is arranged at the lower end of the transformer shell (1), a front middle hole (8) and a rear middle hole (8) are arranged in the middle of the front end face of the transformer shell (1), the lower end of the transformer shell (1) is transversely provided with an installation base (22), the lower end face of the transformer shell (1) is provided with a pair of anode terminals (21) of bilateral symmetry, the lower end face of the transformer shell (1) is provided with a pair of cathode terminals (23) of the bilateral symmetry, the inner part of the installation inner cavity (2) is provided with a mutual inductor core (5), the upper end of the installation inner cavity (2) is provided with a hook (9), the left side of the mutual inductor core (5) is wound with a primary coil (6), the right side of the mutual inductor core (5) is wound with a secondary coil (7), a middle cross beam (12) is transversely installed in the inner cavity of the middle hole (8), a middle cross beam (12) is provided with a threaded inner cavity of the middle cross beam (12), a vertical pull rod (16) is installed at the lower end of the middle cross beam (12), the threaded inner hole (14) is installed at the upper end of the threaded inner hole (14), an extrusion screw rod (15) and an extrusion base (15) are installed on the inner hole (1) and the insertion base (4), the lower end of the pull rod (16) extends to a position between the pair of cathode binding posts (23) which are bilaterally symmetrical, the upper end of the pull rod (16) is provided with a top plate (18), the lower end of the front end face of the pull rod (16) is provided with a through hole (30) which penetrates through the front and the back, the lower end of the top plate (18) is provided with a spring (19), an inserting frame (20) is inserted into the through hole (30), and the front end of the inserting frame (20) is provided with a locking nut (36);
the plug-in connection of the plug-in base (4) is arranged in an upper end through hole of the installation base (22), the outer walls of the left side and the right side of the plug-in base (4) are connected with the upper end of the installation base (22) through a right-angle connecting piece (28) fixedly installed through screws, sliding grooves (25) are transversely formed in the left side and the right side of the lower end face of the installation base (22), sliding installation blocks (24) are arranged in the sliding grooves (25), U-shaped pipes (26) are arranged on the right sides of the sliding installation blocks (24), the inner cavities of the sliding installation blocks (24) are communicated with the inner cavities of the U-shaped pipes (26), a limiting plate (35) is arranged at the end part of each telescopic rod (33) at the upper end of each sealing inner cavity (32), the lower end and the upper end opening of each sealing inner cavity (32) are connected with a telescopic rod (33) in a sliding mode, sucking discs (29) are arranged at the end part of the telescopic rods (33) at the lower end of the sealing inner cavities (32), and the limiting plate (35) is tightly pressed on the upper end face of the inner walls of the sliding grooves (25).
2. The transformer with stabilized fixing structure of claim 1, wherein: the upper end fixed mounting of couple (9) is at the inner wall of the inner chamber upper end of heat dissipation boss (3), and the lower extreme articulate of couple (9) is at the lower extreme of mutual inductance core (5), the left and right sides of heat dissipation boss (3) is provided with filter screen (10).
3. The transformer with stabilized fixing structure of claim 1, wherein: the positive and negative connectors of the primary coil (6) and the secondary coil (7) are respectively connected to the positive terminal (21) and the negative terminal (23), and a gap is reserved between the outer walls of the primary coil (6) and the secondary coil (7) and the inner wall of the mounting inner cavity (2).
4. A transformer with stabilizing attachment as claimed in claim 1, wherein: the inner walls of the left side and the right side of the middle opening hole (8) are provided with a pair of slots (11) which are symmetrical to each other, the left side and the right side of the middle cross beam (12) are fixedly welded with the inserting strips (13), and the inserting strips (13) are inserted into the inner cavities of the slots (11) in a sliding mode.
5. The transformer with stabilized fixing structure of claim 1, wherein: the top plate (18) is pressed on the lower end face of the middle cross beam (12), the spring (19) is sleeved on the outer wall of the upper end of the pull rod (16), and the upper end and the lower end of the spring (19) are pressed between the top plate (18) and the inner wall of the lower end of the middle opening hole (8).
6. The transformer with stabilized fixing structure of claim 1, wherein: the middle section of the pull rod (16) penetrates through the lower end of the circular mutual inductance iron core (5), an insulating sleeve (17) is arranged at the connecting position of the pull rod (16) and the mutual inductance iron core (5), and the insulating sleeve (17) is fixedly sleeved on the outer wall of the pull rod (16).
7. The transformer with stabilized fixing structure of claim 1, wherein: the lower extreme of pull rod (16) and the left and right sides both ends of grafting frame (20) all fixed welding have a pair of bilateral symmetry's clamping ring (27), two sets of bilateral symmetry from top to bottom clamping ring (27) slide respectively and cup joint on positive terminal (21) and negative terminal (23).
8. The transformer with stabilized fixing structure of claim 1, wherein: the upper end of the sliding installation block (24) is provided with a sliding block (31), the sliding block (31) is inserted into an inner cavity of the sliding groove (25) in a sliding mode, one side end portion of the telescopic rod (33) is fixedly provided with a piston (34), and the piston (34) is installed in the sealed inner cavity (32) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075047.4A CN112908621B (en) | 2021-01-20 | 2021-01-20 | Mutual inductor with stable fixing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075047.4A CN112908621B (en) | 2021-01-20 | 2021-01-20 | Mutual inductor with stable fixing structure |
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| CN112908621A CN112908621A (en) | 2021-06-04 |
| CN112908621B true CN112908621B (en) | 2022-11-08 |
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| CN210837459U (en) * | 2019-12-23 | 2020-06-23 | 江苏科宇互感器有限公司 | Current transformer |
| CN211788596U (en) * | 2020-03-07 | 2020-10-27 | 湖州浪佩智能科技有限公司 | Voltage transformer with good use performance |
| CN211788439U (en) * | 2020-03-11 | 2020-10-27 | 苏州市精益开关有限公司 | Current transformer shell with good stability |
| CN112038068A (en) * | 2020-08-24 | 2020-12-04 | 山东梅格彤天电气有限公司 | Intelligent low-voltage transformer device with electricity taking function based on Internet of things technology |
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| CN112908621A (en) | 2021-06-04 |
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Effective date of registration: 20221010 Address after: No. 809, Central Avenue, Jiaojiang District, Taizhou City, Zhejiang Province, 318001 Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD. TAIZHOU POWER SUPPLY Co. Address before: No. 666, Ningci East Road, Jiangbei District, Ningbo City, Zhejiang Province 315000 Applicant before: Lu Yibao |
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