CN217135405U - AC motor speed regulator - Google Patents

AC motor speed regulator Download PDF

Info

Publication number
CN217135405U
CN217135405U CN202221015640.6U CN202221015640U CN217135405U CN 217135405 U CN217135405 U CN 217135405U CN 202221015640 U CN202221015640 U CN 202221015640U CN 217135405 U CN217135405 U CN 217135405U
Authority
CN
China
Prior art keywords
locking
locking clamping
installation
shell
clamping plates
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
Application number
CN202221015640.6U
Other languages
Chinese (zh)
Inventor
刘经松
刘梦华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Delixi Electrical Appliances Co ltd
Original Assignee
Zhejiang Delixi Electrical Appliances Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Delixi Electrical Appliances Co ltd filed Critical Zhejiang Delixi Electrical Appliances Co ltd
Priority to CN202221015640.6U priority Critical patent/CN217135405U/en
Application granted granted Critical
Publication of CN217135405U publication Critical patent/CN217135405U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Motor Or Generator Frames (AREA)

Abstract

The utility model discloses an AC motor speed regulator, which comprises an installation baffle formed on the top edge of a shell, wherein the shell is arranged on a fixed position in a fastening component or locking component mode, a locking component comprises two locking clamping plates which are movably arranged on the side walls of the two sides of the shell and are opposite to the installation baffle, and a retaining structure which is arranged between the locking clamping plates and the shell and is used for limiting the position of the locking clamping plates after moving, the moving direction of the locking clamping plates is vertical to the installation baffle, the locking clamping plates and the installation baffle are oppositely clamped on the fixed position to realize the installation and fixation of the speed regulator, the speed regulator adopting the technical scheme has various installation modes, the installation application range is wide, especially when no fixed hole matched with the fastening component is reserved on the fixed position, the quick installation of the speed regulator can be realized through the locking clamping plates, the installation structure is simple, and the matching is fixed and reliable, the installation efficiency is improved, and the product use performance is promoted.

Description

AC motor speed regulator
Technical Field
The utility model relates to a speed regulator technical field, concretely relates to alternating current motor speed regulator.
Background
The AC motor speed regulator is mainly used for controlling the variable speed operation of the AC motor, and the voltage at two ends of the motor is changed by controlling the conduction degree of the bidirectional controllable silicon, so that the purpose of regulating the voltage and the speed is achieved, and the variable speed operation of the motor can be regulated and controlled. After the speed regulator is matched with the speed regulating motor, a stepless speed regulating system can be formed, and the functions of constant speed feedback and stepless speed regulation of the single-phase motor are realized. The stepless speed regulating system has the characteristics of hard load characteristic, good speed stabilizing performance, soft start, compact structure and convenient use, thereby being widely applied to production lines of packaging, electronics, food and other industries for speed regulation and driving.
The existing motor speed regulator mainly comprises a shell, an upper cover and a circuit board assembly, wherein the circuit board assembly is installed inside the shell, the upper cover is fixed on the upper portion of the shell to seal a circuit board, then the whole speed regulator is installed on a box body or a cabinet body, two end portions of the upper cover extend out of two sides of the shell and are provided with through holes, and screws penetrate through the through holes to fix the upper cover on an installation panel of the box body, so that the speed regulator is installed and fixed on the box body or the cabinet body. The speed regulator has the following problems that the conventional speed regulator is fixed on the box body in a mode that a screw penetrates through the upper cover, a through hole needs to be additionally preset or arranged on a panel of the box body, the mounting process is multiple, the use is inconvenient, the mounting mode is single, and the screw is easy to loosen in use, so that the mounting stability of the speed regulator is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the motor speed regulator among the prior art and all adopting the screw mode to fix to the box, it is inconvenient to install and use to and the screw easily takes place not hard up, problem that the mounting means is single.
In order to solve the above problems, the present invention provides an ac motor speed regulator, comprising a housing and an installation baffle formed on the edge of the top of the housing, wherein the housing is installed at a fixed position through a fixed structure, the fixed structure comprises a plurality of fastening components arranged on the installation baffle, and a locking component movably arranged on the housing and forming a clamping fit with the installation baffle; the locking assembly comprises two locking clamping plates which are movably arranged on the side walls of the two sides of the shell and are opposite to the mounting baffle, and a backstop structure which is arranged between the locking clamping plates and the shell and is used for limiting the position of the locking clamping plates after moving, wherein the moving direction of the locking clamping plates is perpendicular to the mounting baffle.
As a preferred scheme, two guide sliding grooves are formed in the side walls of the two sides of the shell in an extending mode along the moving direction of the locking clamping plates, and the two locking clamping plates are respectively movably arranged in the two guide sliding grooves.
As a preferred scheme, the retaining structure comprises a plurality of clamping teeth arranged in the guide sliding groove and a retaining buckle arranged on the locking clamping plate and matched and clamped between the plurality of clamping teeth.
As a preferred scheme, two limiting grooves extending in the same direction as the guide sliding groove are formed in the side walls of the two sides of the guide sliding groove, two limiting protrusions connected into the two limiting grooves in a sliding mode are correspondingly arranged on the side edges of the two sides of the locking clamping plate, and the limiting grooves are located above the plurality of clamping teeth.
As a preferred scheme, spacing recess and spacing bellied cross section are assorted triangle-shaped structure respectively, the direction spout is including being provided with a plurality of the lower spout portion of latch with be provided with the last spout portion of spacing recess, it extends to go up spout portion installation baffle department.
As a preferred scheme, one end of the locking clamping plate is provided with a pressing part which is arranged opposite to the mounting baffle, the other end of the locking clamping plate is provided with a tilting shifting part, and the pressing part is of a straight-line or V-shaped structure.
Preferably, two sliding rods which are in sliding contact with the side wall of the shell are arranged at two ends of the pressing part.
Preferably, the fastening assembly includes two through holes oppositely disposed in the mounting baffle, and a fastening member inserted into the through holes.
As a preferred scheme, the bottom plate of casing bottom for dismantling the setting, be provided with a plurality of binding post on the bottom plate to and surround and hold a plurality of binding post's terminal guard shield, the terminal guard shield corresponds a plurality of binding post and is provided with a plurality of handle holes.
As a preferred scheme, a panel is installed at an opening at the top of the shell, a potentiometer, a fuse and a ship-shaped switch are installed on the panel, and the panel is fixedly installed at the top of the shell through a buckle structure.
Compared with the prior art, the technical scheme of the utility model have the following advantage:
1. in the AC motor speed regulator provided by the utility model, the speed regulator shell can be arranged on a fixed position in a fastening component or locking clamping plate mode, the locking clamping plate can be movably arranged on the side walls of the two sides of the shell and can keep the position of the locking clamping plate after moving fixed through a stopping structure, the locking clamping plate can play a role of anti-sliding and stopping on the side wall of the shell, the fixed position can be a box body with an installation opening, and the like, when in installation, the speed regulator is arranged on the box body, then the locking clamping plate is driven to slide towards one side close to an installation baffle plate, the locking clamping plate is fastened and abutted on the inner side wall of the box body through the locking clamping plate, and simultaneously the installation baffle plate is driven to abut on the outer side wall of the box body correspondingly, so that the locking clamping plate and the installation baffle plate are clamped on the fixed position oppositely, thereby realizing the installation and fixation of the speed regulator, and the speed regulator with the structural design has a plurality of installation modes, the installation application scope is wide, especially when no reservation and fastening component complex fixed orifices on the fixed position, both can select the mode of locking the cardboard to realize the quick installation of speed regulator, and this kind of mounting means need not to use fasteners such as any screw, and the installation is simple and convenient, and the cooperation is fixed reliable, improves the installation effectiveness, promotes product performance.
2. The utility model provides an among the AC motor speed regulator, according to be provided with the direction spout that can supply the locking cardboard to remove on the casing lateral wall, stopping structure is including setting up a plurality of latches in the direction spout, and sets up stopping on the locking cardboard is detained, and the joint cooperation that forms between knot and the latch is fixed in order to keep the position of locking cardboard after the slip of direction spout along, and this kind of stopping is detained and is only allowed with the cooperation of latch the unidirectional movement is done to the locking cardboard, and restriction locking cardboard takes place to retreat to remove, thereby through adjusting relative distance between locking cardboard and the installation baffle makes locking cardboard and installation baffle centre gripping fastening are fixed in order to realize the installation of speed regulator in fixed position in opposite directions.
3. The utility model provides an among the alternating current motor speed regulator, locking cardboard one end is equipped with the portion of support that is a style of calligraphy or V type structure, can increase the installation contact surface between locking cardboard and the fixed position through the portion of support, and this kind of V type structural design's support portion installation atress is more stable to can slight elastic deformation when the installation pressurized exert oneself in order to provide the elastic action, promote the installation fastening of locking cardboard.
4. The utility model provides an among the alternating current motor speed regulator, the panel passes through buckle structure detachable installation to be fixed at the casing top, with potentiometre, fuse and ship shape switch pre-assembly to the panel, then is installing in one step of installing in place of potentiometre, fuse and ship shape switch during the panel, it is comparatively convenient that the installation gets up, improves the installation effectiveness, the dismouting of also being convenient for is maintained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an ac motor speed regulator according to the present invention;
fig. 2 is a front view of the ac motor governor of the present invention;
FIG. 3 is a side view of the AC motor governor of the present invention;
FIG. 4 is a schematic structural view of the locking clip of the present invention;
fig. 5 is a schematic structural view of the guide chute of the present invention;
description of reference numerals: 1. a housing; 2. installing a baffle; 3. locking the clamping plate; 31. a limiting bulge; 32. a pressing part; 33. a toggle part; 34. a slide bar; 4. a backstop structure; 41. clamping teeth; 42. a check button; 5. a guide chute; 51. a limiting groove; 52. an upper chute section; 53. a lower chute section; 6. a fastening assembly; 61. a through hole; 7. a terminal shield; 71. a wiring terminal; 8. a panel; 81. a potentiometer; 82. a fuse; 83. a boat-shaped switch.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment is described in detail below with reference to the accompanying drawings:
the embodiment provides an alternating current motor speed regulator as shown in fig. 1-5, which comprises a shell 1 and a mounting baffle 2 formed on the top edge of the shell 1, wherein the shell 1 is mounted on a fixed position through a fixed structure, the fixed structure comprises a plurality of fastening assemblies 6 arranged on the mounting baffle 2, and a locking assembly movably arranged on the shell 1 and forming clamping fit with the mounting baffle 2; the locking assembly comprises two locking clamping plates 3 which are movably arranged on the side walls of two sides of the shell 1 and are opposite to the mounting baffle 2, and a backstop structure 4 which is arranged between the locking clamping plates 3 and the shell 1 and used for limiting the position of the locking clamping plates 3 after moving, wherein the moving direction of the locking clamping plates 3 is perpendicular to the mounting baffle 2.
In the above embodiment, the speed regulator can be mounted on the fixed position by adopting the mounting manner of the fastening assembly 6 or the locking clamping plate 3, the locking clamping plate 3 can be movably arranged on the side walls of the two sides of the shell 1, and the position of the locking clamping plate 3 after moving is kept fixed by the retaining structure 4, so as to play a role of preventing the locking clamping plate 3 from sliding and returning on the side walls of the shell 1, the fixed position in this text can be a box body with a mounting opening, etc., when the speed regulator is mounted on the box body, the locking clamping plate 3 is driven to slide towards one side close to the mounting baffle 2, the locking clamping plate 3 is fastened and abutted on the inner side wall of the box body, and the mounting baffle 2 is driven to abut on the outer side wall of the box body correspondingly, so that the locking clamping plate 3 and the mounting baffle 2 are clamped on the fixed position oppositely, thereby realizing the mounting and fixing of the speed regulator, and the speed regulator with the structural design has various mounting manners, the installation application scope is wide, especially when no reservation and fastening component complex fixed orifices on the fixed position, both can select the mode of locking cardboard 3 to realize the quick installation of speed regulator, and this kind of mounting means need not to use fasteners such as any screw, and the installation is simple and convenient, and the cooperation is fixed reliable, improves the installation effectiveness, promotes product performance.
The following detailed description will be made on the specific arrangement of the retaining structure with reference to fig. 2 and fig. 4-5:
the lateral walls of the two sides of the shell 1 extend along the moving direction of the locking clamping plates 3 to form two guide sliding grooves 5, the two locking clamping plates 3 are respectively movably arranged in the two guide sliding grooves 5, and the guide sliding grooves 5 guide the movement of the locking clamping plates 3 on the lateral walls of the shell 1, wherein the stopping structure 4 comprises a plurality of clamping teeth 41 arranged in the guide sliding grooves 5 and stopping buckles 42 arranged on the locking clamping plates 3 and matched with the clamping teeth 41 in a clamping manner. According to the structure, the locking clamping plate 3 is kept fixed at the position after sliding along the guide sliding groove 5 through the clamping fit formed between the retaining buckle 42 and the clamping tooth 41, the retaining buckle and the clamping tooth are matched to only allow the locking clamping plate 3 to move in a single direction and limit the locking clamping plate 3 to move backwards, and therefore the locking clamping plate and the mounting baffle plate are clamped and fastened on a fixed position in an opposite direction through adjusting the relative distance between the locking clamping plate 3 and the mounting baffle plate 2, and the speed regulator is mounted and fixed.
In order to ensure the stability of the movement of the locking card board 3 along the guide sliding groove 5, two limiting grooves 51 extending in the same direction as the guide sliding groove 5 are arranged on the side walls on both sides of the guide sliding groove 5, two limiting protrusions 31 slidably connected to the two limiting grooves 51 are correspondingly arranged on the side walls on both sides of the locking card board 3, the limiting grooves are arranged above the plurality of latches 41, the cross sections of the limiting grooves 51 and the limiting protrusions 31 are respectively in a matched triangular structure, the guide sliding groove 5 comprises a lower sliding groove part 53 provided with the plurality of latches 41 and an upper sliding groove part 52 provided with the limiting grooves 51, the upper sliding groove part 52 extends to the mounting baffle 2, the lower sliding groove part 53 extends to the bottom of the housing 1, and the locking card board is limited from the guide sliding groove in the movement process along the guide sliding groove by the matching of the limiting protrusions 31 and the limiting grooves 51, the installation stability is good.
As shown in fig. 2-4, one end of the locking clamping plate 3 is provided with a pressing portion 32 opposite to the mounting baffle 2, and the other end of the locking clamping plate is provided with a raised toggle portion 33, the pressing portion 32 is in a straight-line or V-shaped structure, the mounting contact surface between the locking clamping plate 3 and the fixed position can be increased through the pressing portion 32, the mounting stress of the pressing portion 32 with the V-shaped structural design is more stable, and the pressing portion can be slightly elastically deformed to provide elastic force when being mounted and pressed, so that the mounting fastening effect of the locking clamping plate 3 is improved. When the speed regulator needs to be disassembled, the clamping fit between the stopping buckle 42 and the plurality of clamping teeth 41 can be removed as long as the toggle part 33 is lifted upwards, the locking clamping plate 3 can move backwards along the guide sliding groove 5, and the speed regulator shell 1 can be disassembled and taken out from a fixed position easily after the locking clamping plate 3 is loosened.
Two sliding rods 34 which are in sliding abutting connection with the side wall of the shell 1 are arranged at two ends of the pressing part 32, and the friction resistance between the pressing part 32 and the side wall of the shell 1 can be reduced through the two sliding rods 34, so that the locking clamping plate 3 can move smoothly along the guide sliding groove 5.
The ac motor speed regulator provided by this embodiment can adopt the installation mode of the fastening assembly 6 or the installation mode of the locking clamping plate 3 according to the installation and use environment, referring to fig. 1 and 5, the fastening assembly 6 includes two through holes 61 oppositely disposed on the installation baffle 2, and a fastening member penetrating through the through holes 61, the fastening member is preferably a screw, the installation baffle 2 is fixed on the plate surface of the fixed position by passing through the through holes 61 through the screw, and of course, the fastening assembly can be used together with the locking clamping plate 3, so as to enhance the installation stability and reliability of the ac motor speed regulator on the fixed position.
As shown in fig. 3, the bottom of the housing 1 is a bottom plate detachably disposed through a snap structure, the bottom plate is provided with a plurality of wiring terminals 71, and a terminal shield 7 surrounding and accommodating the plurality of wiring terminals 71, the terminal shield 7 is provided with a plurality of operation holes corresponding to the plurality of wiring terminals 71, and the plurality of wiring terminals 71 are protected at the bottom of the housing 1 through the terminal shield 7.
As a preferred embodiment, a panel 8 is installed at an opening at the top of the housing 1, a potentiometer 81, a fuse 82, a ship-shaped switch 83, a power indicator and a fault indicator are installed on the panel 8, a circuit board structure electrically connected with the potentiometer 81, the fuse 82 and the ship-shaped switch 83 is arranged in the housing 1, and the panel 8 is fixedly installed at the top of the housing 1 through a buckle structure. According to the structure, when the electric potential meter is assembled, the potentiometer 81, the fuse 82 and the boat-shaped switch 83 can be installed on the panel 8 firstly, then the wire is connected with the circuit board structure, the potentiometer, the fuse and the boat-shaped switch through circuits in a tin soldering mode, then the circuit board is installed in the clamping grooves on two sides inside the shell, then the panel is pressed on the top of the shell in a clamping mode, and finally the bottom plate is aligned to the clamping groove at the bottom of the shell to complete the assembling process.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides an alternating current motor speed regulator, includes casing (1) and shaping installation baffle (2) on casing (1) top border, casing (1) is installed on fixed position through fixed knot structure, its characterized in that: the fixing structure comprises a plurality of fastening components (6) arranged on the mounting baffle (2) and a locking component which is arranged on the shell (1) and forms clamping fit with the mounting baffle (2); the locking assembly comprises two locking clamping plates (3) which are movably arranged on the side walls of two sides of the shell (1) and opposite to the mounting baffle (2), and a backstop structure (4) which is arranged between the locking clamping plates (3) and the shell (1) and used for limiting the position of the locking clamping plates (3) after moving, wherein the moving direction of the locking clamping plates (3) is perpendicular to the mounting baffle (2).
2. The ac motor governor of claim 1, wherein: two guide sliding grooves (5) are formed in the side walls of the two sides of the shell (1) in an extending mode along the moving direction of the locking clamping plates (3), and the two locking clamping plates (3) are respectively movably arranged in the two guide sliding grooves (5).
3. The ac motor governor of claim 2, wherein: the stopping structure (4) comprises a plurality of clamping teeth (41) arranged in the guide sliding groove (5) and stopping buckles (42) which are arranged on the locking clamping plate (3) and are matched with the clamping teeth (41) in a clamping mode.
4. The ac motor governor of claim 3, wherein: two limiting grooves (51) extending in the same direction as the guide sliding groove (5) are formed in the side walls of the two sides of the guide sliding groove (5), two limiting protrusions (31) connected into the two limiting grooves (51) in a sliding mode are correspondingly arranged on the side edges of the two sides of the locking clamping plate (3), and the limiting grooves are arranged above the clamping teeth (41).
5. The ac motor governor of claim 4, wherein: the cross section of spacing recess (51) and spacing arch (31) is assorted triangle-shaped structure respectively, direction spout (5) are including being provided with a plurality of lower spout portion (53) of latch (41) and being provided with last spout portion (52) of spacing recess (51), last spout portion (52) extend to erection baffle (2) department.
6. An ac motor governor according to any of claims 1-5, characterized by: one end of the locking clamping plate (3) is provided with a pressing part (32) which is opposite to the mounting baffle (2), the other end of the locking clamping plate is provided with a tilting shifting part (33), and the pressing part (32) is of a straight-line or V-shaped structure.
7. The ac motor governor of claim 6, wherein: two sliding rods (34) which are in sliding abutting connection with the side wall of the shell (1) are arranged at two ends of the abutting-against part (32).
8. An ac motor governor according to any of claims 1-5, characterized by: the fastening assembly (6) comprises two through holes (61) which are oppositely arranged on the mounting baffle (2), and a fastening piece which is arranged in the through holes (61) in a penetrating mode.
9. The ac motor governor of claim 1, wherein: casing (1) bottom is the bottom plate of dismantling the setting, be provided with a plurality of binding post (71) on the bottom plate to and surround and hold a plurality of binding post (71) terminal guard shield (7), terminal guard shield (7) correspond a plurality of binding post and are provided with a plurality of handle holes.
10. The ac motor governor of claim 1, wherein: panel (8) are installed to the opening part at casing (1) top, install potentiometre (81), fuse (82) and ship shape switch (83) on panel (8), install through buckle structure panel (8) casing (1) top.
CN202221015640.6U 2022-04-28 2022-04-28 AC motor speed regulator Active CN217135405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221015640.6U CN217135405U (en) 2022-04-28 2022-04-28 AC motor speed regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221015640.6U CN217135405U (en) 2022-04-28 2022-04-28 AC motor speed regulator

Publications (1)

Publication Number Publication Date
CN217135405U true CN217135405U (en) 2022-08-05

Family

ID=82651744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221015640.6U Active CN217135405U (en) 2022-04-28 2022-04-28 AC motor speed regulator

Country Status (1)

Country Link
CN (1) CN217135405U (en)

Similar Documents

Publication Publication Date Title
US8040678B2 (en) Connecting box for a solar panel
KR950004981B1 (en) Connector dip for ribbon cable connector
EP3599652B1 (en) Isolation board assembly and battery module
JPH0463560B2 (en)
US7455472B2 (en) Device for plane-parallel attachment of two modules
EP2244346A2 (en) Flat Panel Display Device
CN217135405U (en) AC motor speed regulator
KR930018780A (en) Removably joining the first and second halves of an electrical connector
CN113889713A (en) Battery connection module
EP3826115A1 (en) Conductor assembly structure for rail-type terminal device
CN216850539U (en) Wiring structure and soft starter
CN216391667U (en) LED drive power supply of convenient equipment
JPS5910778Y2 (en) Power cord retention device
CN213930825U (en) Driving box and lamp
KR100783163B1 (en) Junction box
EP2942836A1 (en) Terminal block
CN212319921U (en) Electric heating module, air purification module and air conditioner
CN219716749U (en) Mounting structure of insulating side cap and shell body and high-voltage direct-current relay
CN218450885U (en) LED drive power supply shell structure
CN217427962U (en) Detachable parameter adjusting module of frequency converter
CN210536395U (en) Stabilized motor
CN218071321U (en) Power electronic device
CN217933420U (en) Transformer binding post mounting structure
CN210697204U (en) Electric kettle
CN216414161U (en) Modularization converter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant