CN112687455A - Power-saving iron core - Google Patents
Power-saving iron core Download PDFInfo
- Publication number
- CN112687455A CN112687455A CN202011530901.3A CN202011530901A CN112687455A CN 112687455 A CN112687455 A CN 112687455A CN 202011530901 A CN202011530901 A CN 202011530901A CN 112687455 A CN112687455 A CN 112687455A
- Authority
- CN
- China
- Prior art keywords
- iron core
- slide
- plate
- threaded
- fixedly connected
- 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.)
- Pending
Links
Images
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a power-saving iron core, which belongs to the technical field of iron cores and comprises two support plates, wherein the right sides of opposite surfaces of the two support plates are fixedly connected with the upper surface and the lower surface of the same baffle, a plurality of top iron cores are arranged between the two support plates, the opposite surfaces of two adjacent top iron cores are tightly attached, and one side of each top iron core is provided with three second through holes. According to the invention, the threaded barrel, the threaded rod, the push plate, the sliding block, the fixing block, the pressing plate, the end iron core and the top iron core are arranged, the top iron core and the end iron core are limited through the pressing plate and the baffle plate, and are effectively assembled.
Description
Technical Field
The invention belongs to the technical field of iron cores, and particularly relates to a power-saving iron core.
Background
The common transformer iron core is generally made of silicon steel sheets, silicon steel is steel containing silicon (silicon is also called silicon), the silicon content of the silicon steel is 0.8-4.8%, and the silicon steel is used as the iron core of the transformer because the silicon steel is a magnetic substance with strong magnetic conductivity and can generate larger magnetic induction intensity in an electrified coil, thereby reducing the volume of the transformer.
The transformer iron core is composed of silicon steel sheets, in order to reduce heating loss in the iron core, the iron core is formed by stacking the silicon steel sheets with the thickness of 0.23-0.5 mm, the silicon content of the silicon steel sheets for the transformer is higher, insulating paint is coated on both sides of the silicon steel sheets, so that the stacked silicon steel sheets are mutually insulated, and the thickness of the insulating paint is only a few microns.
The iron cores are used for a long time after being overlapped, spliced and assembled, so that magnetic leakage at the splicing positions of the iron cores is increased easily, and energy consumption is increased; when the E-shaped iron core is used, the E-shaped iron core is mostly designed in an integral welding mode, so that the assembly is convenient, the E-shaped top iron core and the end iron core are required to be welded and fixed after the iron core is placed, the E-shaped top iron core and the end iron core are very inconvenient, and the installation precision is influenced; and when overlapping the assembly to the iron core piece, need carry out diversified fixing to the iron core after the stack is accomplished through a plurality of fasteners, be unfavorable for the dismouting combination to the iron core, make its efficiency very low, consequently need a dismouting combination formula power saving iron core of being convenient for to solve above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides the power-saving iron core, which solves the problem that after the iron core is placed, the E-shaped top iron core and the end iron core need to be welded and fixed, so that the inconvenience is high, and the installation precision is influenced; and when carrying out the stack assembly to the iron core piece, need carry out diversified fixing to the iron core after the stack is accomplished through a plurality of fasteners, be unfavorable for the dismouting combination to the iron core, make its problem that efficiency is very low.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a power saving iron core, includes the extension board, the quantity of extension board is two, and the right side of two extension board opposite faces is connected with the upper surface and the lower fixed surface of same baffle, is provided with a plurality of top iron core between two extension boards, and the opposite face of two adjacent top iron cores closely laminates, three second perforation has been seted up to one side of top iron core, corresponds a plurality of second and is provided with same first spacing post in the perforation, and the right-hand member of three first spacing post all is connected with the left surface fixed connection of baffle, the bottom of top iron core is provided with the tip iron core, and the opposite face of two adjacent tip iron cores closely laminates, first perforation has been seted up to one side of tip iron core, corresponds the first perforation of a plurality of and is provided with the spacing post of same second, and the right-hand member of.
First spacing post and the spacing post of second all set up in spacing downthehole, correspond three spacing hole and set up respectively in the top and the below of clamp plate one side, the opposite face of clamp plate and baffle closely laminates with the one side that corresponds two top iron cores and correspond two tip iron cores and keep away from each other respectively, and the left side of two extension board opposite faces all is provided with the connecting plate, the opposite face of connecting plate inner wall all is through rotating member and push pedal swing joint, the right flank of push pedal has the fixed block through two round pin axle swing joint respectively, the right flank of four fixed blocks all with the left surface overlap joint of clamp plate.
The lower surface of push pedal has seted up the spout, sliding connection has the slider in the spout, and the opposite face of two sliders all has the connecting rod through round pin axle swing joint, the bottom of connecting rod and the top fixed connection of threaded rod, the equal threaded connection of two threaded rods is in rotary mechanism, rotary mechanism's right-hand member and the left surface fixed connection of clamp plate.
As a further scheme of the invention: four lugs of right flank fixedly connected with of tip iron core, the lug joint is in the recess, and four recesses are all seted up at the left surface of top iron core, the left surface of top iron core closely laminates with the right flank of tip iron core.
As a further scheme of the invention: one side of the convex block is arc-shaped, and the shape of the convex block is matched with that of the groove.
As a further scheme of the invention: the rotating mechanism comprises two barrel sleeves, the right ends of the two barrel sleeves are fixedly connected with the left side face of the pressing plate, the two barrel sleeves are internally clamped with the same threaded barrel, the two threaded rods are all in threaded connection in the threaded barrel, and the thread directions of the two threaded rods are opposite.
As a further scheme of the invention: the upper surface and the equal fixedly connected with slip subassembly of lower surface of clamp plate, slip subassembly sliding connection is in the slide, and two slides are seted up respectively at the opposite face of two extension boards, the left end of slip subassembly and the left surface fixed connection of slide inner wall.
As a further scheme of the invention: the sliding assembly comprises a sliding plate, the lower surface of the sliding plate is fixedly connected with the upper surface of the pressing plate, the sliding plate is connected in the slide way in a sliding mode, and the left side face of the sliding plate is fixedly connected with the left side face of the inner wall of the slide way through an elastic piece.
As a further scheme of the invention: the shape of slider and slide all sets up to the T shape, the top on tip iron core right side is the inclined plane design, the right flank of fixed block is provided with anti-skidding line, and the front and back of the opposite face of two extension boards all is fixed mutually through the mount.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the invention arranges the threaded cylinder, the threaded rod, the push plate, the slide block, the fixed block, the press plate, the end iron core and the top iron core, when the iron core is assembled in an overlapping way, the second through hole on the top iron core can pass through the first limit post, the first through hole on the end iron core can pass through the second limit post, then the threaded cylinder can be rotated, the two threaded rods can drive the two connecting rods to be away from each other in the rotating process of the threaded cylinder, the slide block can slide rightwards in the sliding groove in the moving process of the connecting rods, the two push plates are supported by the two slide blocks, the push plates can rotate around the rotating piece, the two fixed blocks can be tightly attached to the press plate after the two push plates rotate for a certain angle, so that the press plate can extrude the top iron core and the end iron core rightwards, the top iron core and the end iron core are limited by the press, similarly, when the top iron core and the end iron core are disassembled, the threaded cylinder is reversed, so that the iron core after the stacking is not required to be fixed by a plurality of fasteners, and the iron core can be limited in multiple directions only by adjusting the extension of the threaded rod once, the disassembling and assembling efficiency is improved, and the daily assembling work of personnel is facilitated;
2. the invention sets the end iron core, the top iron core, the pressing plate, the baffle, the bump, the groove, the first limit post, the second limit post, the support plate and the baffle, in the process of assembling the iron core, the top iron core can be firstly sleeved on the second limit post, then the end iron core is sleeved on the second limit post, so that the right side of the end iron core is tightly jointed with the left side of the top iron core, meanwhile, a plurality of bumps on the end iron core can be effectively clamped in the groove on the top iron core, the top iron core and the end iron core can be effectively supported and limited, the contact surface between the top iron core and the end iron core is increased by the right side extrusion of the pressing plate, the installation stability is improved, compared with the traditional binding and clamping mode, the mode can effectively prevent the problem that the magnetic leakage at the iron core splicing position is increased, thereby increasing the energy consumption, and the iron core is assembled and used by, need not to carry out welded fastening with top iron core and tip iron core, the assembly of further being convenient for this iron core is used.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a left side view of the support plate of the present invention;
FIG. 3 is a schematic perspective view of a top core according to the present invention;
FIG. 4 is a schematic perspective view of an end core according to the present invention;
FIG. 5 is a schematic cross-sectional view of the push plate of the present invention;
in the figure: the device comprises a support plate 1, a baffle plate 2, a top iron core 3, a first limiting column 4, an end iron core 5, a second limiting column 6, a limiting hole 7, a first through hole 8, a protruding block 9, a groove 10, a pressing plate 11, a connecting plate 12, a rotating part 13, a pushing plate 14, a sliding chute 15, a sliding block 16, a fixed block 17, a connecting rod 18, a threaded rod 19, a rotating mechanism 20, a threaded cylinder 201, a cylinder sleeve 202, a sliding assembly 21, an elastic part 211, a sliding plate 212, a slideway 22, a fixing frame 23 and a second through hole 24.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the present invention provides a technical solution: a power-saving iron core comprises support plates 1, the number of the support plates 1 is two, the right sides of opposite surfaces of the two support plates 1 are fixedly connected with the upper surface and the lower surface of the same baffle 2, a plurality of top iron cores 3 are arranged between the two support plates 1, the opposite surfaces of two adjacent top iron cores 3 are tightly jointed, one side of each top iron core 3 is provided with three second through holes 24, the same first limiting column 4 is arranged in the corresponding second through holes 24, the right ends of the three first limiting columns 4 are fixedly connected with the left side surface of the baffle 2, the top iron cores 3 are sleeved on the second limiting columns 6 through the arrangement of the first limiting columns 4 and the second limiting columns 6, then the end iron cores 5 are sleeved on the second limiting columns 6, the right sides of the end iron cores 5 are tightly jointed with the left sides of the top iron cores 3, so that the first limiting columns 4 and the second limiting columns 6 can effectively limit the top iron cores 3 and the end iron cores 5, place its skew position and influence the installation accuracy, the bottom of top iron core 3 is provided with tip iron core 5, and two adjacent tip iron core 5's opposite face is closely laminated, and first perforation 8 has been seted up to one side of tip iron core 5, corresponds the first perforation 8 of a plurality of and is provided with the spacing post of same second 6, the right-hand member of the spacing post of three second 6 all with the left surface fixed connection of baffle 2.
Specifically, as shown in fig. 1, 3 and 4, four lugs 9 of right flank fixedly connected with of tip iron core 5, lug 9 joint is in recess 10, four recesses 10 are all seted up at top iron core 3's left surface, top iron core 3's left surface and tip iron core 5's right flank closely laminate, one side of lug 9 is circular-arc, lug 9's shape and recess 10's shape looks adaptation, through mutually supporting between lug 9 and the recess 10, a plurality of lugs 9 on the tip iron core 5 can effectively block in the recess 10 on the top iron core 3, can effectively support top iron core 3 and tip iron core 5 spacing, extrude on 11 right sides of clamp plate, increase and top iron core 3 and tip iron core 5's contact surface, improve installation stability.
Specifically, as shown in fig. 1, 2 and 5, the rotating mechanism 20 includes two barrel sleeves 202, the right ends of the two barrel sleeves 202 are both fixedly connected with the left side surface of the pressing plate 11, the same threaded barrel 201 is clamped in the two barrel sleeves 202, the two threaded rods 19 are both in threaded connection in the threaded barrel 201, the threaded barrel 201 and the threaded rod 19 are mutually matched, the thread directions of the outer walls of the two threaded rods 19 are opposite, the threaded barrel 201 is rotated, so that the two threaded rods 19 can drive the two connecting rods 18 to be away from or close to each other in the rotating process of the threaded barrel 201, the position of the pushing plate 14 can be conveniently adjusted through the sliding block 16, the thread directions of the two threaded rods 19 are opposite, the upper surface and the lower surface of the pressing plate 11 are both fixedly connected with the sliding assembly 21, the sliding assembly 21 is slidably connected in the sliding ways 22, the two sliding ways 22 are, the left end of the sliding component 21 is fixedly connected with the left side surface of the inner wall of the slideway 22
Specifically, as shown in fig. 1 and 2, the sliding assembly 21 includes a sliding plate 212, a lower surface of the sliding plate 212 is fixedly connected to an upper surface of the pressing plate 11, the sliding plate 212 is slidably connected to the inside of the sliding way 22, through the mutual cooperation between the sliding plate 212 and the sliding way 22, when the threaded barrel 201 is rotated, the pressing plate 11 can be pressed by the four fixing blocks 17, so that the pressing plate 11 is more stable when moving, and the sliding plate 212 does not separate from the sliding way 22, the left side surface of the sliding plate 212 is fixedly connected to the left side surface of the inner wall of the sliding way 22 through the elastic member 211, through the arrangement of the elastic member 211, when the fixing block 17 is far away from the pressing plate 11, the elastic member 211 can drive the sliding plate 212 and the pressing plate 11 to move leftward, so that the pressing plate 11 separates from the top iron core 3 and the end iron core 5, which is convenient for the assembly and disassembly of the, the top on 5 right sides of tip iron core is the inclined plane design, and the right flank of fixed block 17 is provided with anti-skidding line, through setting up fixed block 17, because of fixed block 17 through round pin axle and 14 swing joint of push pedal, when slider 16 supports push pedal 14, make fixed block 17 remain the vertical state all the time, effectually bulldoze clamp plate 11 to the stability of guarantee clamp plate 11 to this iron core installation, the front and back of the opposite face of two extension board 1 all is fixed mutually through mount 23.
The working principle of the invention is as follows:
when the iron core needs to be assembled, firstly, the top iron core 3 is sleeved on the second limiting column 6, then the end iron core 5 is sleeved on the second limiting column 6, so that the right side of the end iron core 5 is tightly attached to the left side of the top iron core 3, four lugs 9 on the end iron core 5 can be effectively clamped into four grooves 10 on the top iron core 3, so that the lugs 9 can support and limit the top iron core 3, after the top iron core 3 and the end iron core 5 are alternately sleeved, the threaded cylinder 201 can be rotated forward, so that two threaded rods 19 can drive two connecting rods 18 to be away from each other in the rotating process of the threaded cylinder 201, so that the connecting rods 18 can drive the sliding blocks 16 to slide in the sliding grooves 15, the sliding blocks 16 can support the push plates 14 in the moving process of the connecting rods 18, so that the push plates 14 can rotate around the rotating piece 13, and two fixed blocks 17 can be tightly attached to the press plates 11 after the two push plates 14 rotate for a certain, the pressing plate 11 is made to press the top iron core 3 and the end iron core 5 rightwards, and the iron cores can be assembled and fixed.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. An electricity-saving iron core comprises a support plate (1), and is characterized in that: the number of the support plates (1) is two, the right sides of opposite surfaces of the two support plates (1) are fixedly connected with the upper surface and the lower surface of the same baffle plate (2), a plurality of top iron cores (3) are arranged between the two support plates (1), the opposite surfaces of two adjacent top iron cores (3) are tightly attached, one side of each top iron core (3) is provided with three second through holes (24), the same first limiting columns (4) are arranged in the corresponding second through holes (24), the right ends of the three first limiting columns (4) are fixedly connected with the left side surface of the baffle plate (2), the bottom of each top iron core (3) is provided with an end iron core (5), the opposite surfaces of two adjacent end iron cores (5) are tightly attached, one side of each end iron core (5) is provided with a first through hole (8), and the same second limiting column (6) is arranged in the corresponding first through hole (8), the right ends of the three second limiting columns (6) are fixedly connected with the left side face of the baffle (2);
the first limiting column (4) and the second limiting column (6) are arranged in limiting holes (7), corresponding three limiting holes (7) are respectively arranged above and below one side of a pressing plate (11), opposite surfaces of the pressing plate (11) and a baffle (2) are respectively tightly attached to surfaces, far away from each other, of corresponding two top iron cores (3) and corresponding two end iron cores (5), the left sides of the opposite surfaces of the two supporting plates (1) are respectively provided with a connecting plate (12), the opposite surfaces of the inner wall of the connecting plate (12) are respectively movably connected with a pushing plate (14) through rotating pieces (13), the right side of the pushing plate (14) is respectively and movably connected with fixing blocks (17) through two pin shafts, and the right sides of the four fixing blocks (17) are respectively overlapped with the left side of the pressing plate (11);
spout (15) have been seted up to the lower surface of push pedal (14), sliding connection has slider (16) in spout (15), and the opposite face of two sliders (16) all has connecting rod (18) through round pin axle swing joint, the bottom of connecting rod (18) and the top fixed connection of threaded rod (19), the equal threaded connection of two threaded rod (19) are in rotary mechanism (20), the right-hand member of rotary mechanism (20) and the left surface fixed connection of clamp plate (11).
2. The power-saving iron core as claimed in claim 1, wherein: four lugs (9) of right flank fixedly connected with of tip iron core (5), lug (9) joint is in recess (10), and the left surface at top iron core (3) is all seted up in four recess (10), the left surface of top iron core (3) and the right flank of tip iron core (5) closely laminate.
3. The power-saving iron core as claimed in claim 2, wherein: one side of the convex block (9) is arc-shaped, and the shape of the convex block (9) is matched with that of the groove (10).
4. The power-saving iron core as claimed in claim 1, wherein: the rotating mechanism (20) comprises two cylinder sleeves (202), the right ends of the two cylinder sleeves (202) are fixedly connected with the left side face of the pressing plate (11), the two cylinder sleeves (202) are internally clamped with the same threaded cylinder (201), the two threaded rods (19) are all in threaded connection in the threaded cylinder (201), and the thread directions of the two threaded rods (19) are opposite.
5. The power-saving iron core as claimed in claim 1, wherein: the upper surface and the equal fixedly connected with slip subassembly (21) of lower surface of clamp plate (11), slip subassembly (21) sliding connection is in slide (22), and the opposite face at two extension boards (1) is seted up respectively in two slides (22), the left end of slip subassembly (21) and the left surface fixed connection of slide (22) inner wall.
6. The power-saving iron core as claimed in claim 5, wherein: slide subassembly (21) include slide (212), the lower surface of slide (212) and the last fixed surface of clamp plate (11) are connected, slide (212) sliding connection is in slide (22), the left surface of slide (212) passes through the left surface fixed connection of elastic component (211) and slide (22) inner wall.
7. The power-saving iron core as claimed in claim 6, wherein: the shape of slider (16) and slide (212) all sets up to the T shape, the top on tip iron core (5) right side is the inclined plane design, the right flank of fixed block (17) is provided with anti-skidding line, and the front and back of the opposite face of two extension boards (1) all is fixed mutually through mount (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530901.3A CN112687455A (en) | 2020-12-22 | 2020-12-22 | Power-saving iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530901.3A CN112687455A (en) | 2020-12-22 | 2020-12-22 | Power-saving iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112687455A true CN112687455A (en) | 2021-04-20 |
Family
ID=75450660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011530901.3A Pending CN112687455A (en) | 2020-12-22 | 2020-12-22 | Power-saving iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112687455A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177815A1 (en) * | 2012-05-28 | 2013-12-05 | 广东海鸿变压器有限公司 | Amorphous alloy transformer iron core of three-dimensional triangle structure |
| CN206758239U (en) * | 2017-05-16 | 2017-12-15 | 郑州三彩电子科技有限公司 | The iron core and transformer of folded appendiron core transformer |
| CN208156619U (en) * | 2018-04-11 | 2018-11-27 | 天津智悦科技有限公司 | A kind of keyboard holder convenient for adjusting |
| CN208315375U (en) * | 2018-06-25 | 2019-01-01 | 无锡巨龙硅钢股份有限公司 | Positioning tool |
| CN209912688U (en) * | 2019-06-11 | 2020-01-07 | 江苏金佳铁芯有限公司 | Energy-saving iron core for iron core transformer |
| CN210272014U (en) * | 2019-06-01 | 2020-04-07 | 江苏蜀铭电气设备有限公司 | Fixing structure of transformer core |
| CN210968562U (en) * | 2019-09-19 | 2020-07-10 | 常州鼎森传动科技有限公司 | Bearing production of convenient regulation is with pressing from both sides tight structure |
-
2020
- 2020-12-22 CN CN202011530901.3A patent/CN112687455A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177815A1 (en) * | 2012-05-28 | 2013-12-05 | 广东海鸿变压器有限公司 | Amorphous alloy transformer iron core of three-dimensional triangle structure |
| CN206758239U (en) * | 2017-05-16 | 2017-12-15 | 郑州三彩电子科技有限公司 | The iron core and transformer of folded appendiron core transformer |
| CN208156619U (en) * | 2018-04-11 | 2018-11-27 | 天津智悦科技有限公司 | A kind of keyboard holder convenient for adjusting |
| CN208315375U (en) * | 2018-06-25 | 2019-01-01 | 无锡巨龙硅钢股份有限公司 | Positioning tool |
| CN210272014U (en) * | 2019-06-01 | 2020-04-07 | 江苏蜀铭电气设备有限公司 | Fixing structure of transformer core |
| CN209912688U (en) * | 2019-06-11 | 2020-01-07 | 江苏金佳铁芯有限公司 | Energy-saving iron core for iron core transformer |
| CN210968562U (en) * | 2019-09-19 | 2020-07-10 | 常州鼎森传动科技有限公司 | Bearing production of convenient regulation is with pressing from both sides tight structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107369534B (en) | Three-phase three-dimensional iron core transformer that stacks | |
| CN210897010U (en) | Fixing device for supercapacitor | |
| CN112687455A (en) | Power-saving iron core | |
| CN209729690U (en) | Power equipment magnetic circuit iron core device body clamping device | |
| CN107251173A (en) | A kind of photovoltaic power generation transformer | |
| CN219113304U (en) | Welding jig of variable angle | |
| CN214322165U (en) | Soft packet of lithium cell ultrasonic welding anchor clamps | |
| CN211759421U (en) | Welding device of plate heat exchanger | |
| CN212797742U (en) | Battery tray capable of flattening battery | |
| CN209334612U (en) | A kind of adjustable building bar bending device with fixed structure | |
| CN210848699U (en) | Sfp automatic welding optical device anchor clamps | |
| CN213042771U (en) | Fastening device for transformer core | |
| CN106373737A (en) | Conveniently used iron core | |
| CN208955158U (en) | A kind of bandpass filter | |
| CN206059126U (en) | A kind of low voltage heavy current transformer | |
| CN204332616U (en) | A kind of iron yoke clamping device | |
| CN215007860U (en) | Transformer core convenient to dismouting | |
| CN206294041U (en) | A kind of rotor winding positioning tool | |
| CN210865835U (en) | Transformer iron core | |
| CN216487625U (en) | Assembly structure of power transformer iron core | |
| CN207818478U (en) | A kind of low voltage AC contactor iron core | |
| CN216245741U (en) | Compact plate heat exchanger | |
| CN221125731U (en) | Circular coil winding die | |
| CN220367787U (en) | Transformer fixing device | |
| CN212362641U (en) | Layered tea drying device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210420 |
|
| RJ01 | Rejection of invention patent application after publication |