CN111405787A - Switching power supply convenient to installation and dismantlement - Google Patents

Switching power supply convenient to installation and dismantlement Download PDF

Info

Publication number
CN111405787A
CN111405787A CN202010223573.6A CN202010223573A CN111405787A CN 111405787 A CN111405787 A CN 111405787A CN 202010223573 A CN202010223573 A CN 202010223573A CN 111405787 A CN111405787 A CN 111405787A
Authority
CN
China
Prior art keywords
sliding groove
power supply
upper cover
switching power
groups
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
Application number
CN202010223573.6A
Other languages
Chinese (zh)
Inventor
臧其准
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.)
Chenglian Power Supply Co ltd
Original Assignee
Chenglian Power Supply 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 Chenglian Power Supply Co ltd filed Critical Chenglian Power Supply Co ltd
Priority to CN202010223573.6A priority Critical patent/CN111405787A/en
Publication of CN111405787A publication Critical patent/CN111405787A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0247Electrical details of casings, e.g. terminals, passages for cables or wiring
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/03Covers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The invention relates to the technical field of electric power accessory devices, in particular to a switching power supply convenient to mount and dismount, which is simple in structure, convenient and fast to dismount an upper cover and a lower cover, high in working efficiency and firm in wire fixing, and comprises the upper cover and the lower cover, wherein the upper cover and the lower cover are both L-shaped, four groups of connecting columns are arranged at the top of the lower cover, threaded grooves are formed in the tops of the four groups of connecting columns, a circuit board can be dismounted through the four groups of connecting columns through four groups of screws, seven groups of locking columns are arranged at the front end of the circuit board, each group of locking columns are hollow, a lower half area of the front side wall of each group of locking columns is communicated with a plugging port, a conducting strip connected with the circuit board is arranged at the bottom of each group of locking columns, a fixing port is communicated with the top end of each group of locking columns, a bearing is arranged at the position of the fixing port, a rotating shaft is arranged.

Description

Switching power supply convenient to installation and dismantlement
Technical Field
The invention relates to the technical field of electric auxiliary devices, in particular to a switch power supply convenient to mount and dismount.
Background
As is well known, a switching power supply is a power supply that utilizes modern power electronics technology to control the on/off time ratio of a switching tube and maintain a stable output voltage. At present, the switching power supply is widely applied to almost all electronic devices due to its characteristics of small size, light weight and high efficiency, and is an indispensable power supply control mode for the rapid development of the electronic information industry at present.
However, the existing switching power supply has the following disadvantages: firstly, the upper cover and the lower cover of the switching power supply are fixed through a plurality of screws, and workers need to spend a large amount of time to install and detach each screw in the installation, debugging and later maintenance processes of equipment, so that the operation is complicated, and the working efficiency is low; second, during wiring, the wires are generally fixed by rotating the screws, which may cause the screws to fall off, and the rotating screws crush the wires, causing damage to the wires.
Disclosure of Invention
In order to solve the technical problems, the invention provides the switching power supply which is convenient to mount and dismount, has a simple structure, is convenient and fast to dismount the upper cover and the lower cover, improves the working efficiency, and is firmly fixed on the electric wire.
The invention discloses a switching power supply convenient to mount and dismount, which comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are both L-shaped, four groups of connecting columns are arranged at the top of the lower cover, threaded grooves are arranged at the tops of the four groups of connecting columns, a circuit board can be dismounted through four groups of screws, seven groups of locking columns are arranged at the front end of the circuit board, the interior of each group of locking columns is hollow, the lower half area of the front side wall of each group of locking columns is communicated with a socket, a conducting strip connected with the circuit board is arranged at the bottom in each group of locking columns, a fixed opening is communicated with the top end of each group of locking columns, a bearing is arranged at the fixed opening, a rotating shaft is arranged in the middle of the bearing, a threaded rod is arranged at the bottom end of the rotating shaft, a sliding block is in threaded connection with the threaded rod, the sliding block is in sliding fit with the inner wall of the locking columns, a transverse plate is arranged at the left end of the top of the lower cover, a groove is provided with a front sliding groove and a rear sliding groove, a front sliding chute and a rear chute are arranged at the left side wall in the groove, the upper cover is inserted into the groove, a front groove, a rear groove is provided with a rear groove, a front connecting groove and a rear groove, two ends of a rear groove are respectively connected with a front fan-shaped spring, a rear groove, a front fan-shaped sliding plate, a rear fan-shaped sliding groove, a rear fan-shaped sliding block is arranged in sliding groove, a rear spring, a rear fan-shaped sliding.
According to the switching power supply convenient to mount and dismount, the right side wall of the upper cover is provided with the front limiting sheet and the rear limiting sheet which are isosceles trapezoids, the side wall of the top of the lower cover is provided with the front limiting groove and the rear limiting groove which are isosceles trapezoids, the front limiting groove and the rear limiting groove are communicated with the left side wall of the lower cover, and the front limiting sheet and the rear limiting sheet are inserted into the front limiting groove and the rear limiting groove.
The switching power supply convenient to mount and dismount further comprises a pull ring, wherein a transition ring is arranged on the left side wall of the baffle, and the pull ring penetrates through the transition ring.
According to the switching power supply convenient to mount and dismount, the top end of each rotating shaft is provided with the hexagonal groove, and the top end of each rotating shaft protrudes out of the top end of the locking column.
According to the switching power supply convenient to mount and dismount, the front end and the rear end of the bottom of the upper cover are respectively provided with the shielding piece.
According to the switching power supply convenient to mount and dismount, the anti-skid protrusions are arranged at the front end and the rear end of the upper cover.
The top of the upper cover of the switch power supply convenient to mount and dismount is hollowed out.
According to the switching power supply convenient to mount and dismount, the seven groups of locking columns sequentially comprise the live wire terminal, the zero line terminal, the live wire terminal, the first output cathode, the second output cathode, the first output anode and the second output anode from left to right.
Compared with the prior art, the invention has the beneficial effects that: firstly, during normal use, an electric wire is inserted into the socket, then the rotating shaft is rotated to enable the sliding block to move downwards, the sliding block, the electric wire and the conducting strip are in close contact, wiring is achieved, and compared with a screw fastening mode, the sliding block does not roll the electric wire when moving horizontally, and the screw does not fall off; second, the wiring finishes the back, makes upper cover and lower cover link together, and two sets of shielding piece reduce impurity and enter into between upper cover and the lower cover, when upper cover and lower cover need separate, catches on the pull ring and move the baffle left, make preceding sector plate and back sector plate break away from the upper cover, then pull out the upper cover can, for the mode of screw, can carry out the dismouting fast, improve work efficiency greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic connection diagram of the locking post, the socket, the conductive plate, the bearing, the shaft, the threaded rod and the slider;
FIG. 4 is a schematic left side view of the connection of the cross plate, the front connecting rod and the rear connecting rod;
FIG. 5 is a schematic top view of the connection of the locking post, slider and threaded rod;
FIG. 6 is a top view of the spindle and hexagonal slot;
FIG. 7 is a schematic top view of the connection of the upper cover, the front stopper and the rear stopper;
in the drawings, the reference numbers: 1. an upper cover; 2. a lower cover; 3. connecting columns; 4. a screw; 5. a circuit board; 6. a locking post; 7. an interface; 8. a conductive sheet; 9. a bearing; 10. a rotating shaft; 11. a threaded rod; 12. a slider; 13. a transverse plate; 14. a front chute; 15. a front card slot; 16. a front sector plate; 17. a front spring; 18. a front connecting rod; 19. a baffle plate; 20. a front limiting sheet; 21. a pull ring; 22. a transition ring; 23. a hexagonal groove; 24. a shielding sheet; 25. and (4) anti-skid bulges.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 7, the switching power supply convenient to mount and dismount comprises an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are both L-shaped, four groups of connecting columns 3 are arranged on the top of the lower cover 2, thread grooves are formed in the tops of the four groups of connecting columns 3, a circuit board 5 can be dismounted through four groups of screws 4, seven groups of locking columns 6 are arranged at the front end of the circuit board 5, each group of locking columns 6 is hollow, a lower half area of the front side wall of each group of locking columns 6 is communicated with a socket 7, a conducting strip 8 connected with the circuit board 5 is arranged at the bottom of each group of locking columns 6, a fixed opening is communicated with the top of each group of locking columns 6, a bearing 9 is arranged at the fixed opening, a rotating shaft 10 is arranged in the middle of the bearing 9, a threaded rod 11 is arranged at the bottom of the rotating shaft 10, a slider 12 is in threaded connection with a threaded rod 11, the slider 12 is in sliding fit with the inner wall of the locking columns 6, a transverse plate 13 is arranged at the left end of the top of the lower cover 2, a connecting rod 13 is arranged at the left end of the top of the lower cover 2, a connecting rod 1, a connecting rod 17, a connecting rod is arranged in a connecting rod, a connecting rod 17, a connecting rod 17, a connecting rod.
According to the switching power supply convenient to mount and dismount, the right side wall of the upper cover 1 is provided with the front limiting sheet 20 and the rear limiting sheet which are isosceles trapezoids, the top side wall of the lower cover 2 is provided with the front limiting groove and the rear limiting groove which are isosceles trapezoids, the front limiting groove and the rear limiting groove are communicated with the left side wall of the lower cover 2, and the front limiting sheet 20 and the rear limiting sheet are inserted into the front limiting groove and the rear limiting groove; when the upper cover 1 is inserted into the groove, the front limiting sheet 20 and the rear limiting sheet are respectively inserted into the front limiting groove and the rear limiting groove, so that the right end of the upper cover 1 is fixed, and the upper cover is prevented from vibrating.
The switching power supply convenient to mount and dismount further comprises a pull ring 21, a transition ring 22 is arranged on the left side wall of the baffle plate 19, and the pull ring 21 penetrates through the transition ring 22; when the upper cover 1 and the lower cover 2 need to be separated, the pull ring 21 is hooked to move the baffle 19 leftwards, so that the front sector plate 16 and the rear sector plate are separated from the upper cover 1, and then the upper cover 1 is pulled out.
According to the switching power supply convenient to mount and dismount, the top end of each group of rotating shafts 10 is provided with the hexagonal groove 23, and the top end of each group of rotating shafts 10 protrudes out of the top end of the locking column 6; an external hexagonal wrench is inserted into the hexagonal groove 23 to rotate the rotating shaft 10, so that convenience is improved.
According to the switching power supply convenient to mount and dismount, the front end and the rear end of the bottom of the upper cover 1 are both provided with the shielding pieces 24; the two sets of shielding sheets 24 reduce the entry of foreign substances between the upper and lower covers 1 and 2.
The switch power supply convenient to mount and dismount is characterized in that the front end and the rear end of the upper cover 1 are both provided with anti-skid protrusions 25; the antiskid lug 25 is pinched to move the upper cover 1 upwards, so that the stress is more convenient to carry out.
The switch power supply convenient to mount and dismount is characterized in that the top of the upper cover 1 is hollowed out; the heat dissipation capability is improved.
According to the switching power supply convenient to mount and dismount, the seven groups of locking columns 6 sequentially comprise a live wire terminal, a zero wire terminal, a live wire terminal, a first output negative electrode, a second output negative electrode, a first output positive electrode and a second output positive electrode from left to right.
The invention relates to a switch power supply convenient for installation and disassembly, under the matching of a bearing 9 and a locking column 6, a rotating shaft 10 and a threaded rod 11 rotate, because the threaded rod 11 is in threaded connection with a sliding block 12, and the sliding block 12 is in sliding fit with the inner wall of the locking column 6, the sliding block 12 can change in height by rotating the rotating shaft 10, an external hexagonal wrench is inserted into a hexagonal groove 23 to rotate the rotating shaft 10, when an upper cover 1 is connected with a lower cover 2, the upper cover 1 is inserted into a groove of a transverse plate 13, under the pressure of the upper cover 1, a front sector plate 16, a rear sector plate, a front connecting rod 18, a rear connecting rod and a baffle plate 19 all move leftwards, when the bottom end of the upper cover 1 is contacted with the inner bottom of the groove, under the elastic forces of a front spring 17 and a rear spring, the front sector plate 16 and the rear sector plate are respectively inserted into a front clamping groove 15 and a rear clamping groove, and when the upper cover 1 is inserted into the groove, a front limiting sheet 20 and a rear limiting sheet are respectively, fix the right-hand member of upper cover 1, prevent that it from taking place the vibration, upper cover 1 links together with lower cover 2, during normal use, insert the electric wire inside interface 7, then rotatory pivot 10 makes slider 12 downstream, slider 12, electric wire and conducting strip 8 in close contact with, realize the wiring, the back is accomplished in the wiring, make upper cover 1 link together with lower cover 2, two sets of shielding piece 24 reduce impurity and enter into between upper cover 1 and the lower cover 2, when upper cover 1 and lower cover 2 need separate, catch on pull ring 21 and move baffle 19 left, make preceding sector plate 16 and back sector plate break away from upper cover 1, then pull out upper cover 1 can.
The switch power supply convenient to mount and dismount is characterized in that the mounting modes, the connection modes or the arrangement modes of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off under the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the power utilization modules and the electric appliances are common electric appliances in the market, the power utilization modules and the electric appliances can be used only by being electrically connected with each other according to the purchased instructions when being bought back for use, and the control modules are common self-contained modules, so the details are omitted.
In the switching power supply of the present invention, which is easy to mount and dismount, unless otherwise specified, the terms "up, down, left, right, front, rear, inside, and outside, and vertical and horizontal" are included in the terms in the orientation words only representing the orientation of the terms in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The switch power supply convenient to install and dismantle is characterized by comprising an upper cover (1) and a lower cover (2), wherein the upper cover (1) and the lower cover (2) are both in L types, the top of the lower cover (2) is provided with four groups of connecting columns (3), the tops of the four groups of connecting columns (3) are provided with threaded grooves, the four groups of connecting columns (3) can be detached with a circuit board (5) through four groups of screws (4), the front end of the circuit board (5) is provided with seven groups of locking columns (6), each group of the locking columns (6) is internally hollow, each group of the locking columns (6) is provided with a socket (7) through the lower half area of the front side wall of each locking column (6), the bottom of each locking column (6) is provided with a conducting strip (8) connected with the circuit board (5), each group of the top of each locking column (6) is provided with a fixing port through which a bearing (9), the middle of the bearing (9) is provided with a rotating shaft (10), the bottom of the rotating shaft (10) is provided with a clamping groove (11), the threaded rod (11) in threaded connection with a sliding groove (12), the sliding groove (12) is connected with the sliding groove (16) of the sliding groove (13), the sliding groove (16) of the sliding groove (13) and the sliding groove (16) of the sliding groove (17) of the sliding groove (16) of the sliding groove (17) and the sliding groove (17) of the sliding groove (13) of the sliding groove (17) of the sliding groove, the sliding groove (16) and the sliding groove (17) of the sliding groove (.
2. The switching power supply convenient to install and detach as defined in claim 1, wherein the right side wall of the upper cover (1) is provided with a front stopper (20) and a rear stopper in the shape of an isosceles trapezoid, the top side wall of the lower cover (2) is provided with a front stopper and a rear stopper in the shape of an isosceles trapezoid, and both the front stopper and the rear stopper are communicated with the left side wall of the lower cover (2), and the front stopper (20) and the rear stopper are inserted into the front stopper and the rear stopper.
3. Switching power supply easy to mount and dismount as claimed in claim 2, further comprising a pull ring (21), wherein the left side wall of said baffle (19) is provided with a transition ring (22), and said pull ring (21) passes through the transition ring (22).
4. The switching power supply easy to install and remove as set forth in claim 3, wherein each set of said rotating shafts (10) is provided at its top end with a hexagonal groove (23), and each set of said rotating shafts (10) has its top end protruded from the top end of the locking post (6).
5. The switching power supply easy to install and remove as defined in claim 4, wherein the upper cover (1) is provided with shielding pieces (24) at both the front end and the rear end of the bottom.
6. The switching power supply easy to install and remove as defined in claim 5, wherein the upper cover (1) is provided with anti-slip protrusions (25) at both front and rear ends.
7. The switching power supply convenient to mount and dismount as claimed in claim 6, wherein the top of the upper cover (1) is hollowed out.
8. Switching power supply easy to mount and dismount according to claim 7, characterized in that the seven groups of locking columns (6) are, from left to right, the live terminal, the neutral terminal, the live terminal, the first output negative pole, the second output negative pole, the first output positive pole and the second output positive pole.
CN202010223573.6A 2020-03-26 2020-03-26 Switching power supply convenient to installation and dismantlement Pending CN111405787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010223573.6A CN111405787A (en) 2020-03-26 2020-03-26 Switching power supply convenient to installation and dismantlement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010223573.6A CN111405787A (en) 2020-03-26 2020-03-26 Switching power supply convenient to installation and dismantlement

Publications (1)

Publication Number Publication Date
CN111405787A true CN111405787A (en) 2020-07-10

Family

ID=71413544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010223573.6A Pending CN111405787A (en) 2020-03-26 2020-03-26 Switching power supply convenient to installation and dismantlement

Country Status (1)

Country Link
CN (1) CN111405787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884918A (en) * 2020-07-30 2020-11-03 广东生态工程职业学院 Gateway device based on Internet of things
CN114540159A (en) * 2022-04-27 2022-05-27 浙江浙能能源服务有限公司 Quick replacement power module for PCR detector

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002202323A (en) * 2000-12-28 2002-07-19 Fujikura Ltd Probe pin, connector using the same and prober
US20130052845A1 (en) * 2011-08-31 2013-02-28 Tien-Chi Ma Portable electronic device having a cam mechanism for plug extension and retraction
CN205509839U (en) * 2016-02-29 2016-08-24 深圳市普德新星电源技术有限公司 Chargeable switching power supply structure
CN206179810U (en) * 2016-11-13 2017-05-17 福建宏安电气有限公司 A termination for cutting off power supply ware
CN208257852U (en) * 2018-06-12 2018-12-18 上海银音信息科技股份有限公司 Interchanger a kind of easy to repair and that installation can be combined
CN209216868U (en) * 2019-01-23 2019-08-06 浙江茗熔电器保护系统有限公司 A kind of termination on fuse disconnecting switch
CN209894897U (en) * 2019-03-19 2020-01-03 盐城国睿信科技有限公司 Electric energy quality detection device convenient to maintain

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002202323A (en) * 2000-12-28 2002-07-19 Fujikura Ltd Probe pin, connector using the same and prober
US20130052845A1 (en) * 2011-08-31 2013-02-28 Tien-Chi Ma Portable electronic device having a cam mechanism for plug extension and retraction
CN205509839U (en) * 2016-02-29 2016-08-24 深圳市普德新星电源技术有限公司 Chargeable switching power supply structure
CN206179810U (en) * 2016-11-13 2017-05-17 福建宏安电气有限公司 A termination for cutting off power supply ware
CN208257852U (en) * 2018-06-12 2018-12-18 上海银音信息科技股份有限公司 Interchanger a kind of easy to repair and that installation can be combined
CN209216868U (en) * 2019-01-23 2019-08-06 浙江茗熔电器保护系统有限公司 A kind of termination on fuse disconnecting switch
CN209894897U (en) * 2019-03-19 2020-01-03 盐城国睿信科技有限公司 Electric energy quality detection device convenient to maintain

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884918A (en) * 2020-07-30 2020-11-03 广东生态工程职业学院 Gateway device based on Internet of things
CN111884918B (en) * 2020-07-30 2022-07-05 广东生态工程职业学院 Gateway device based on Internet of things
CN114540159A (en) * 2022-04-27 2022-05-27 浙江浙能能源服务有限公司 Quick replacement power module for PCR detector
CN114540159B (en) * 2022-04-27 2022-07-29 浙江浙能能源服务有限公司 Quick replacement power module for PCR detector

Similar Documents

Publication Publication Date Title
CN208173523U (en) A kind of power circuit breaker being easily installed
CN111405787A (en) Switching power supply convenient to installation and dismantlement
JPS587689A (en) Crt display terminal with detachable power unit
CN2772073Y (en) Adapting terminal for convenient test
CN105870653B (en) A kind of power distribution cabinet down-lead device
CN214473743U (en) Withstand voltage testing device of discrete semiconductor device
CN205609879U (en) Power connector
CN209561314U (en) A kind of spliced multipole circuit breaker
CN212083486U (en) Portable electric power instrument of installation and dismantlement
CN111934124A (en) Plug-in surge protector
CN108471035B (en) Electrical connection short connecting sheet capable of repeatedly using pins
CN208939194U (en) A kind of water-proof connector that alternating current-direct current is changeable
CN201937054U (en) Switchover unit for low-voltage drawing-out type switch cabinet
CN105788974A (en) Circuit breaker used for conveniently-dismounting-type equipment and conveniently-dismounting-type pedestal used for the circuit breaker
CN216288228U (en) Just, dismouting formula circuit breaker for equipment
CN220019683U (en) Electric power energy monitoring device
CN221176811U (en) High-low voltage fast switching wiring board
CN220324768U (en) Terminal structure of front quick disconnect guide end
CN218770630U (en) Waterproof control cabinet
CN220797417U (en) Surge protector for high-voltage power distribution cabinet
CN216598087U (en) Plug-in anti-drop socket module
CN212341410U (en) AC/DC power module testing arrangement convenient to dismantle
CN219777862U (en) Electrical property detection device for fuse production and processing
CN221828360U (en) Electric cabinet terminal control panel
CN214044226U (en) Ultra-thin connector

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: 20200710

RJ01 Rejection of invention patent application after publication