CN113764171B - Submersible pump transformer and manufacturing method thereof - Google Patents
Submersible pump transformer and manufacturing method thereof Download PDFInfo
- Publication number
- CN113764171B CN113764171B CN202111049117.5A CN202111049117A CN113764171B CN 113764171 B CN113764171 B CN 113764171B CN 202111049117 A CN202111049117 A CN 202111049117A CN 113764171 B CN113764171 B CN 113764171B
- Authority
- CN
- China
- Prior art keywords
- side wall
- wiring
- welding
- welding head
- submersible pump
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a novel submersible pump transformer, which comprises a transformer main body; the transformer main body comprises a silicon steel sheet group, a framework and a wiring part connected with an external wire; the wiring part is provided with a welding head which is welded with the external wire; the welding head is provided with an accommodating port for accommodating wiring; the accommodating opening is provided with a connecting side wall which is coated with wiring and can be bent and a bottom wall connected with the connecting side wall. The end part of the external wiring is limited in the accommodating opening by bending the connecting side wall, and the firm actual welding effect can be realized only by simply tin-plating in the accommodating opening during welding, so that the operation is very simple and convenient. A manufacturing method of a novel submersible pump transformer comprises the following steps: connecting the silicon steel sheet group with the framework; connecting the first wiring subsection and the second wiring subsection; connecting the external connection wire with the welding head; welding the external wiring and the welding head; the clamping block is matched with the limiting groove, so that the butt joint line is limited, and the outer wiring can be effectively prevented from falling out along the accommodating opening; the connection of the external wiring is firmer and more reliable.
Description
Technical Field
The invention relates to the field of submersible pumps, in particular to a submersible pump transformer and a manufacturing method thereof.
Background
The transformer is a very commonly used power device, and the most basic type of transformer comprises an iron core (silicon steel sheet group) and an external wire wound on a framework. The iron core and the framework are required to be provided with related external connecting terminals for proper electric connection of the external connecting wires. The following problems exist with respect to the external connection structure on the transformer at present:
1. the traditional external connection mode of the iron core is that the side wall of the iron core is directly welded with a wire, and the side wall surface of the side wall of the iron core is not smooth enough, so that the welding is firm, the wall surface is polished firstly, and the working procedure is complex; the wire core of the external wiring is thinner, so that the direct tin coating on the wall surface in the welding process is very difficult, and the operation is very inconvenient;
2. the traditional skeleton is connected in such a way that a pin sheet is arranged on the skeleton, and an external wire is welded on the pin sheet; the pin sheet is of a common flat sheet-shaped pin structure, and the external wiring core wire is thin, so that the direct tin coating on the pin sheet is difficult, the operation is extremely inconvenient, the problem that the welding is not firm and easy to fall off exists, the whole pin sheet is often wrapped by rough soldering tin, the effect of real welding is still not achieved, and the problem of tin waste exists;
3. the welding quality and efficiency are low, so that the quality of the submersible pump is reduced, and the manufacturing cost of the submersible pump is increased.
In view of this, the present inventors have conducted intensive studies on the above problems, and have produced the present invention.
Disclosure of Invention
One object of the present invention is to provide a submersible pump transformer; the wiring structure of the submersible pump transformer is improved, the problems that operation is inconvenient, tin coating is difficult, welding is unstable and easy to fall off and the like are solved, and the excellent effects of simplicity and convenience in operation, high welding quality and high efficiency are brought.
The second object of the present invention is to provide a method for manufacturing a submersible pump transformer, which is to improve the external connection method of the submersible pump transformer, so that the submersible pump is convenient to manufacture; the external connection wire is firmly welded, so that the submersible pump is more durable.
In order to achieve the preferred purpose, the invention adopts the following technical scheme:
a submersible pump transformer comprising a transformer body; the transformer main body comprises a silicon steel sheet group, a framework and a wiring part connected with an external wire; the wiring part is provided with a welding head which is welded with the external wire; the welding head is provided with an accommodating port for accommodating wiring; the accommodating opening is provided with a connecting side wall which is coated with wiring and can be bent and a bottom wall connected with the connecting side wall.
The connecting side wall comprises a first side wall welded with the wiring; the accommodating port further comprises a limiting groove between the first side wall and the bottom wall.
The limiting groove is an arc-shaped groove.
The connecting sidewall further includes a second sidewall that is external to the first sidewall.
The first side wall is provided with a first side connecting section connected with the second side wall; the second side wall is provided with a second side connecting section connected with the first side wall; the second side connecting section is positioned outside the first side connecting section.
The first side connecting section and the second side connecting section are welded together.
The wiring part comprises a first wiring subsection arranged on the framework; the first wiring subsection is provided with an inserting piece which is integrally connected with the welding head.
The framework is also provided with a socket for accommodating the inserting sheet.
The inserting piece is provided with an inserting end for being inserted into the inserting opening and a connecting end for being connected with the welding head; the inserting piece is also provided with inserting grooves which are arranged from the inserting end to the connecting end; the socket includes a card that mates with the slot.
The socket also comprises a pre-tightening device for pressing the card.
The card is in sliding connection with the side wall of the socket; the pre-tightening device comprises a bearing block fixedly connected with the side wall of the socket and a pressure spring propped between the card and the bearing block.
The wiring part also comprises a second wiring subsection arranged on the silicon steel sheet group; the second wiring subsection is provided with a connecting sheet which is integrally connected with the welding head.
The connecting piece is locked on the silicon steel sheet group through a bolt body.
A method of manufacturing a submersible pump transformer, comprising the steps of:
(1) Connecting the silicon steel sheet group with the framework;
(2) Connecting the first wiring subsection and the second wiring subsection;
(3) Connecting the external connection wire with the welding head;
(4) Welding the external wiring and the welding head;
in the step (4), the connecting side wall is unfolded, the connecting groove is formed by bending or knocking the external connection line, the connecting groove of the external connection line is moved to the upper part of the limiting groove, and the connecting groove and the limiting groove are arranged in opposite directions; the soldering tin is melted through the welding gun, and the soldering tin is solidified between the connecting groove and the limiting groove to form a clamping block.
In the step (4), the first side wall is rolled after the clamping block is formed, and the first side wall and the bottom wall are welded together through soldering.
Rolling the second side wall to enable the second side wall to be positioned outside the first side wall; the first side connecting section and the second side connecting section are attached to each other, and the first side connecting section and the second side connecting section are welded through soldering.
The second side wall and the bottom wall are welded together by soldering to strengthen the connection.
Filling the first side wall by soldering, and connecting the second side wall with the bottom wall to form a cavity; the connection is further reinforced.
After the technical scheme is adopted, the submersible pump transformer disclosed by the invention has the advantages that in the actual implementation process, the wiring of the silicon steel sheet group is realized through the mounting wiring part, so that the complicated process of polishing the silicon steel sheet group is omitted; when in welding, only the end part of the wiring is simply lapped in the accommodating opening, the end part of the wiring is limited by the accommodating opening, and the firm actual welding effect can be realized only by simply tinning in the accommodating opening and the welding hole during welding, so that the operation is very simple and convenient.
2. The wiring is realized to skeleton on-mounting wiring portion, just like the above, during the welding, only need take the tip of wiring in the holding mouth simply, the tip of wiring is restricted by the holding mouth, only need to go up tin in holding mouth and the welding hole simply during the welding, can realize firm real welding effect, and the operation is very simple and convenient.
In the practical implementation process, the external connection wire has better ductility, and the connecting groove is formed in a bending and knocking mode, so that the operation is convenient; the clamping block is matched with the limiting groove, so that the butt joint line is limited, and the outer wiring can be effectively prevented from falling out along the accommodating opening; the connection of the external wiring is firmer and more reliable; meanwhile, the connecting side wall can be bent, so that welding is more convenient and efficient.
Drawings
FIG. 1 is a schematic diagram of a submersible pump transformer according to the present invention;
FIG. 2 is a schematic diagram of a first wiring subsection structure of the present invention;
FIG. 3 is a schematic view showing the connection structure of the first wiring section and the pretensioning device according to the present invention;
FIG. 4 is a schematic view of the structure of the submersible pump of the present invention;
FIG. 5 is a cross-sectional view of the internal structure of the submersible pump of the present invention;
in the figure:
a silicon steel sheet group 1; a framework 2; a wiring section 3; a receiving port 31; a connecting sidewall 311; a bottom wall 312; a first sidewall 3111; a limit groove 313; a second sidewall 3112; a first wire subsection 32; insert 321; a socket 21; slot 3211; a card 212; a pretensioning device 213; a carrier block 2131; a compression spring 2132; a second wiring subsection 33; and a connecting piece 331.
Description of the embodiments
In order to further explain the technical scheme of the invention, the following is explained in detail through specific examples.
As shown in fig. 1-5, a submersible pump transformer includes a transformer body; the transformer main body comprises a silicon steel sheet group 1, a framework 2 and a wiring part 3 connected with an external wire; the wiring part 3 is provided with a welding head welded with the external wire; the welding head is provided with a receiving opening 31 for receiving wiring; the receiving opening 31 has a connecting side wall 311 which is wrapped around the wiring and is bendable, and a bottom wall 312 connected to the connecting side wall 311. In the practical implementation process, the wiring part 3 is installed, so that the end part of the external wiring is simply lapped in the accommodating opening 31 during welding, the end part of the external wiring is limited in the accommodating opening 31 by bending the connecting side wall 311, and the firm actual welding effect can be realized by simply tinning the inside of the accommodating opening 31 during welding, and the operation is very simple and convenient; meanwhile, the size of the accommodating opening 31 can be adjusted by bending the connecting side wall 311, so that tin bars used in tin soldering can be effectively reduced, and waste is avoided.
Preferably, the connection sidewall 311 includes a first sidewall 3111 welded together with the wire; the receiving port 31 further includes a limiting groove 313 between the first side wall 3111 and the bottom wall 312. In the actual implementation process, the first side wall 3111 is bent to limit the external wiring, so that the welding operation is simple and the welding is firm; wherein, during welding, soldering tin solidifies outside the external connection wire to form a clamping block, the clamping block is clamped in the limiting groove 313, and the external connection wire is prevented from being separated from the welding head due to pulling through the cooperation of the clamping block and the limiting groove 313.
Preferably, the limiting groove 313 is a circular arc groove. The processing of the limit groove 313 is facilitated.
Preferably, the connecting sidewall 311 further includes a second sidewall 3112 outside the first sidewall 3111. In the practical implementation process, the first side wall 3111 is limited by the second side wall 3112, and further, the first side wall 3111 is supported by the second side wall 3112, so that the welding between the first side wall 3111 and the external connection wire is reinforced, and the solder is prevented from falling off, so that the welding is firm and reliable.
Preferably, the first side wall 3111 has a first side connection section connected to the second side wall 3112; the second side wall 3112 has a second side connection section connected to the first side wall 3111; the second side connecting section is positioned outside the first side connecting section. Further, the first side wall 3111 is supported by the second side wall 3112, and reinforcement welding is performed.
Preferably, the first side connecting section and the second side connecting section are welded together. Further, the welding of the first side wall 3111 with the outer wiring is reinforced by welding the first side connecting section and the second side connecting section; so that the welding position is firm and reliable.
Preferably, the wiring portion 3 includes a first wiring subsection 32 provided on the frame 2; the first wire section 32 has a tab 321 integrally connected to the bonding tool. In practical implementation, tab 321 is connected to the bonding tool to form first wire segment 32, facilitating the manufacture of first wire segment 32.
Preferably, the framework 2 is further provided with a socket 21 for accommodating the inserting piece 321. In the practical implementation process, the first wiring subsection 32 is convenient to assemble and disassemble by matching the inserting piece 321 with the inserting hole 21, so that the manufacturing efficiency of the submersible pump transformer can be effectively improved.
Preferably, tab 321 has an insertion end for insertion into socket 21 and a connection end for connection to a bonding tool; insert 321 also has slots 3211 arranged from insert end to connection end; the socket 21 includes a card 212 that mates with a slot 3211. In the practical implementation process, the depth of the slot 3211 inserted into the jack 21 can be adjusted by matching the slot 3211 with the card 212, so that the disassembly and assembly are convenient, and meanwhile, the welding of external wiring is convenient; the welding head and the external wire can be firstly welded and then installed, so that the welding efficiency can be effectively improved.
Preferably, the socket 21 further comprises pre-tightening means 213 for pressing the card 212. In the actual implementation process, the card 212 can be kept in a state of being inserted into the slot 3211 by the pre-tightening device 213, so that the first wiring subsection 32 is prevented from being separated from the jack 21.
Preferably, the card 212 is slidably coupled to the side wall of the socket 21; the pre-tightening device 213 comprises a bearing block 2131 fixedly connected with the side wall of the socket 21 and a compression spring 2132 abutting against the card 212 and the bearing block 2131. In the actual implementation process, the card 212 is inserted into the slot 3211 by pressing the card 212 by the pressure spring 2132, and meanwhile, the card 212 is prevented from loosening by accumulating force of the pressure spring 2132; the insert 321 is limited by the card 212, so that the first wiring subsection 32 is prevented from falling out of the jack 21.
Preferably, the wiring part 3 further comprises a second wiring subsection 33 arranged on the silicon steel sheet group 1; the second wire subsection 33 has a connecting piece 331 integrally connected to the soldering tip. In the actual implementation, the second connection subsection 33 is formed by connecting the connection piece 331 with the welding head; the bolt body can adopt a threaded connection or riveting mode to enable the connecting sheet 331 to be rotationally connected to the silicon steel sheet group 1, and the position of the connecting sheet 331 can be adjusted through the action of external force, so that the aim of adjusting the position of the welding head is fulfilled; and the welding is convenient.
Preferably, the connecting piece 331 is locked on the silicon steel sheet set 1 through a bolt. Furthermore, the second wiring part 3 can be conveniently disassembled and assembled, and the welding head and the external wiring can be firstly welded and then are installed, so that the welding is convenient.
A method of manufacturing a submersible pump transformer, comprising the steps of:
(1) Connecting the silicon steel sheet group 1 with the framework 2;
(2) Connecting the first wiring section 32 and the second wiring section 33;
(3) Connecting the external connection wire with the welding head;
(4) Welding the external wiring and the welding head;
in the step (4), the connecting side wall 311 is unfolded, the external connection line is formed into a connecting groove by bending or knocking, and the connecting groove of the external connection line is moved to the upper part of the limiting groove 313, so that the connecting groove and the limiting groove 313 are arranged in opposite directions; the solder is melted by the welding gun, and the solder solidifies between the connecting groove and the limiting groove 313 to form a fixture block. In the practical implementation process, the external connection wire has better ductility, and the connecting groove is formed in a bending and knocking mode, so that the operation is convenient; the joint line is limited by the matching of the clamping block and the limiting groove 313, so that the outer joint line can be effectively prevented from falling out along the accommodating port 31; the connection of the external wiring is firmer and more reliable; meanwhile, the connecting side wall 311 can be bent, so that welding is more convenient and efficient.
Preferably, in step (4), the first side wall 3111 is rolled after the fixture is formed, and the first side wall 3111 and the bottom wall 312 are welded together by soldering. In an actual implementation process, the first side wall 3111 is rolled up to enable the first side wall 3111 to limit the clamping block, so as to prevent the clamping block from falling out of the limiting slot 313; and meanwhile, the limiting effect of the first side wall 3111 is enhanced through welding, so that the connection is firmer.
Preferably, the second side wall 3112 is rolled such that the second side wall 3112 is outside the first side wall 3111; the first side connecting section and the second side connecting section are attached to each other, and the first side connecting section and the second side connecting section are welded through soldering. In an actual implementation process, the second side wall 3112 supports the first side wall 3111, limits the first side wall 3111, prevents the first side wall 3111 from being separated from the bottom wall 312, and prevents the clamping block from being separated from the limiting slot 313; so that the connection is firmer and more reliable.
Preferably, the second side wall 3112 and the bottom wall 312 are welded together by soldering to strengthen the connection. By welding the second side wall 3112 to the bottom wall 312, further, the welding is reinforced, so that the connection is more secure and reliable.
Preferably, the first side wall 3111 is filled by soldering, and the second side wall 3112 and the bottom wall 312 are connected to form a cavity; the connection is further reinforced. In actual practice, the first side wall 3111, the second side wall 3112 and the bottom wall 312 are tightly connected by filling the cavity, and are firm and reliable.
The form of the present invention is not limited to the illustrations and examples, and any person who performs a similar idea of the present invention should be regarded as not departing from the scope of the patent of the invention.
Claims (4)
1. A submersible pump transformer comprising a transformer body; the transformer main body comprises a silicon steel sheet group, a framework and a wiring part connected with an external wire; the method is characterized in that: the wiring part is provided with a welding head which is welded with the external wire; the welding head is provided with an accommodating port for accommodating wiring; the accommodating port is provided with a bendable connecting side wall which is used for cladding the wiring and is connected with the connecting side wall, and the connecting side wall comprises a first side wall welded with the wiring; the accommodating port further comprises a limit groove between the first side wall and the bottom wall;
the connecting side wall further comprises a second side wall which is positioned outside the first side wall; the first side wall is provided with a first side connecting section connected with the second side wall, the second side wall is provided with a second side connecting section connected with the first side wall, the second side connecting section is positioned outside the first side connecting section, and the first side connecting section and the second side connecting section are welded together;
the wiring part comprises a first wiring part arranged on a framework, the first wiring part is provided with an inserting piece integrally connected with the welding head, the framework is also provided with a socket for accommodating the inserting piece, the inserting piece is provided with an inserting end for inserting the inserting piece and a connecting end for connecting the welding head, the inserting piece is also provided with a slot arranged from the inserting end to the connecting end, the inserting piece comprises a card matched with the slot, the inserting piece also comprises a pre-tightening device for extruding the card, and the card is in sliding connection with the side wall of the inserting piece; the pre-tightening device comprises a bearing block fixedly connected with the side wall of the socket and a pressure spring propped between the card and the bearing block.
2. A submersible pump transformer according to claim 1, wherein: the limiting groove is an arc-shaped groove.
3. A submersible pump transformer according to claim 1, wherein: the wiring part also comprises a second wiring subsection arranged on the silicon steel sheet group; the second wiring subsection is provided with a connecting sheet which is integrally connected with the welding head.
4. A submersible pump transformer according to claim 3, wherein: the connecting piece is locked on the silicon steel sheet group through a bolt body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049117.5A CN113764171B (en) | 2021-09-08 | 2021-09-08 | Submersible pump transformer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049117.5A CN113764171B (en) | 2021-09-08 | 2021-09-08 | Submersible pump transformer and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113764171A CN113764171A (en) | 2021-12-07 |
| CN113764171B true CN113764171B (en) | 2023-07-14 |
Family
ID=78793916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111049117.5A Active CN113764171B (en) | 2021-09-08 | 2021-09-08 | Submersible pump transformer and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113764171B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394425A (en) * | 1932-02-09 | 1933-06-29 | Hubert George Anthony Ross Wil | Improvements in or relating to electric transformers |
| JPH10241930A (en) * | 1997-03-03 | 1998-09-11 | Honda Lock Mfg Co Ltd | Coil assembly |
| JP2001035729A (en) * | 1999-07-26 | 2001-02-09 | Mitsumi Electric Co Ltd | Board-mounting coil device |
| JP3130031U (en) * | 2006-12-27 | 2007-03-08 | スミダコーポレーション株式会社 | Coil parts |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797015B (en) * | 2015-04-08 | 2017-12-12 | 无锡国威陶瓷电器有限公司 | A kind of heat generating core of thermal sensitive ceramics heating element |
| CN105719803B (en) * | 2016-04-12 | 2018-09-18 | 福建元华泵业有限公司 | A kind of wiring construction of transformer |
| CN207719024U (en) * | 2018-01-16 | 2018-08-10 | 合肥市奥格威电子科技有限公司 | A kind of transformer novel connecting terminal |
| CN208460997U (en) * | 2018-05-18 | 2019-02-01 | 东莞市印通五金有限公司 | A kind of ultrafine wire solder terminal |
| CN212303335U (en) * | 2020-06-23 | 2021-01-05 | 浦江忠华变压器科技有限公司 | Be used for transformer lead-out wire structure |
-
2021
- 2021-09-08 CN CN202111049117.5A patent/CN113764171B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394425A (en) * | 1932-02-09 | 1933-06-29 | Hubert George Anthony Ross Wil | Improvements in or relating to electric transformers |
| JPH10241930A (en) * | 1997-03-03 | 1998-09-11 | Honda Lock Mfg Co Ltd | Coil assembly |
| JP2001035729A (en) * | 1999-07-26 | 2001-02-09 | Mitsumi Electric Co Ltd | Board-mounting coil device |
| JP3130031U (en) * | 2006-12-27 | 2007-03-08 | スミダコーポレーション株式会社 | Coil parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113764171A (en) | 2021-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113764171B (en) | Submersible pump transformer and manufacturing method thereof | |
| US20130232785A1 (en) | Compression tool for installing a coaxial cable connector and method of operating thereof | |
| CN218828137U (en) | Wiring harness connecting end seat | |
| CN208240580U (en) | A kind of relay connection sheet | |
| CN201655989U (en) | Wire quick locking structure | |
| CN216227511U (en) | Ultrasonic torque converter | |
| CN206293822U (en) | A kind of pulley block | |
| CN211218487U (en) | Novel stay wire manufacturing device | |
| CN214391740U (en) | High-altitude crimping pipe bending corrector | |
| CN205104733U (en) | Commutator of improvement | |
| CN100368107C (en) | Process for drawing mouthpiece boss of metal pipe for automobile | |
| CN209140217U (en) | Welding pre-determined bit expansion tooling | |
| CN113764172A (en) | Improved submersible pump transformer and manufacturing method thereof | |
| CN208806379U (en) | A kind of U-shaped tabletting connection terminal | |
| CN2585432Y (en) | Conducting wire connector | |
| CN216288595U (en) | Battery roll core welding needle and battery welding equipment | |
| KR20090063525A (en) | A joint terminal | |
| CN216562768U (en) | Detachable and separable magnetic bearing winding tool | |
| CN213179469U (en) | Convenient dismantlement formula water-cooling compensator | |
| CN218312991U (en) | Pressing device for cable connecting nose | |
| CN220475032U (en) | Photovoltaic connector | |
| CN217617516U (en) | Radial dynamic clamping mechanism for end part of spring | |
| CN217596356U (en) | Turnover welding platform for welded pipe machining | |
| CN217956236U (en) | Quick inserting terminal for battery pole piece | |
| CN211483634U (en) | Integrated into one piece drawer panel convenient to it is fixed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230613 Address after: 362101 Taiwan business pioneer park, huangtang Town, Hui'an County, Quanzhou City, Fujian Province Applicant after: FUJIAN YUANHUA PUMP Co.,Ltd. Address before: No.102 Xilin village, Xizhuang village, Guanqiao Town, Nanan City, Quanzhou City, Fujian Province Applicant before: Kang Jinsha |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |