CN114725716B - Connector for realizing switch function and application thereof - Google Patents
Connector for realizing switch function and application thereof Download PDFInfo
- Publication number
- CN114725716B CN114725716B CN202210091108.0A CN202210091108A CN114725716B CN 114725716 B CN114725716 B CN 114725716B CN 202210091108 A CN202210091108 A CN 202210091108A CN 114725716 B CN114725716 B CN 114725716B
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- insulator
- socket
- plug
- connector
- socket insulator
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- 239000012212 insulator Substances 0.000 claims abstract description 106
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector for realizing a switching function and application thereof, comprising a plug and a socket, wherein the front ends of the plug and the socket are oppositely inserted, the socket comprises a socket insulator and two pins fixed in the socket insulator, the plug comprises a plug shell and two jacks fixed in the plug shell, and the tail parts of the two jacks are communicated; the socket insulator is also internally provided with an elastic piece for providing a separating force between the socket insulator and the plug shell; a clamping groove and a clamping table for preventing the plug shell and the socket insulator from being separated from each other are further arranged between the plug shell and the socket insulator, and the clamping groove and the socket insulator have lengths meeting the relative movement distance when the contact pin and the jack are inserted; the tail parts of the two pins extend out of the socket insulator to form two external terminals for connection with a circuit. The connector for realizing the switching function has the switching function, can be miniaturized to bear the load demand of heavy current, and can meet the switching use demand in the heavy current field.
Description
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a connector for realizing a switching function and application thereof.
Background
In order to realize the on-off of the circuit, a switch is commonly used. The switch is divided into a normally open switch and a normally closed switch, which is a very mature and very general technology for switch manufacturers. The normally open switch normally keeps the circuit break between the two contacts, and realizes the short circuit between the two contacts and current carrying when the switch is triggered (pushing the push rod downwards).
However, when the production of the normally closed switch is performed, the production of the normally closed switch cannot be completed due to the fact that the normally closed switch does not have the design and the production capacity of the contacts, so that the production of the normally closed switch cannot be performed by the producers in the field according to the requirements.
The existing switch capable of realizing heavy current through load is large in size, and cannot meet the use requirement of miniaturized heavy current in the field of connectors.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a connector with a novel structure for realizing a switching function, which can replace the existing switch, and can realize the bearing requirement of miniaturized heavy current, thereby meeting the use requirement in the connector field.
The aim and the technical problems of the invention are realized by adopting the following technical proposal. The connector for realizing the switching function comprises a plug and a socket, wherein the front ends of the plug and the socket are oppositely inserted, the socket comprises a socket insulator and two pins fixed in the socket insulator, the plug comprises a plug shell and two jacks fixed in the plug shell, and tail parts of the two jacks are communicated; the socket insulator is also internally provided with an elastic piece for providing a separating force between the socket insulator and the plug shell; a clamping groove and a clamping table for preventing the plug shell and the socket insulator from being separated from each other are further arranged between the plug shell and the socket insulator, and the clamping groove and the socket insulator have lengths meeting the relative movement distance when the contact pin and the jack are inserted; the tail parts of the two pins extend out of the socket insulator to form two external terminals for connection with a circuit.
The aim and the technical problems of the invention can be further realized by adopting the following technical measures.
In the connector for realizing the switching function, the part of the tail part of the contact pin, which extends out of the socket insulator, extends along the axial direction of the socket insulator after being bent twice.
In the connector for realizing the switching function, the socket insulator is further provided with a supporting table for supporting the bent tail part of the contact pin.
In the connector for realizing the switch function, the supporting table is provided with the groove for accommodating the contact pin and limiting the deflection of the contact pin.
The connector for realizing the switch function is characterized in that the socket insulator is also provided with at least two fixing pieces for realizing the fixing of the connector on equipment, and the plug shell is provided with a positioning hole for the fixing pieces to pass through.
The connector for realizing the switch function comprises a plug shell, wherein the plug shell comprises a plug insulator at the front end and a push rod insulator at the rear end, the push rod insulator comprises a plugging part at the front end and a force application part at the rear end, and two sides of the plugging part are respectively provided with a positioning hole.
In the connector for realizing the switching function, the fixing member is a screw, a flat washer is further pressed between the head of the screw and the insulator of the socket, and a spring washer is further arranged between the flat washer and the head of the screw.
The connector for realizing the switch function is characterized in that the push rod insulator plugging part is provided with a cavity for accommodating the tail part of the plug insulator, and the plug insulator and the push rod insulator are detachably connected through the matching of the concave-convex structure.
The connector for realizing the switch function is characterized in that the elastic body is a spring sleeved on the fixing piece.
The aim and the technical problems of the invention are realized by adopting the following technical proposal. According to the application of the connector for realizing the switching function, the connector is applied to a rack, is connected with a circuit for distributing power to a single module on a rack printed board through two external endpoints at the tail of a contact pin, realizes the control of the power circuit of the single module, is communicated when the module is inserted, and is disconnected when the module is separated.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve quite technical progress and practicability, has wide industrial application value, and has at least the following advantages:
the connector for realizing the switching function has the switching function, can be miniaturized to bear the load demand of heavy current, and can meet the switching use demand in the heavy current field. The connector for realizing the switch function does not need the design and processing of contacts, and can meet the production requirements of manufacturers on the switch in the technical field of connectors. In addition, the connector for realizing the switch function can also realize U-shaped welding with the printed board.
Drawings
FIG. 1 is a perspective view of a connector for implementing a switching function according to the present invention;
FIG. 2 is another perspective view of a connector of the present invention for performing a switching function;
FIG. 3 is a front view of a connector for implementing a switching function according to the present invention;
FIG. 4 is a right side view of the connector of the present invention for performing a switching function;
FIG. 5 is a left side view of a connector of the present invention for performing a switching function;
FIG. 6 is a top view of a connector of the present invention for performing a switching function;
fig. 7 is a schematic diagram of a socket structure of a connector for implementing a switching function according to the present invention;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is another cross-sectional view of FIG. 7;
fig. 10 is a schematic diagram of a plug structure of a connector for implementing a switching function according to the present invention;
FIG. 11A is a front view of FIG. 10;
FIG. 11B is a cross-sectional view of FIG. 10;
FIG. 12 is a schematic view of the pushrod insulator of FIG. 10;
FIG. 13 is a schematic view of the plug insulator of FIG. 10;
FIG. 14 is a schematic view of a connector implementing a switch function according to the present invention in an open state;
Fig. 15 is a schematic diagram showing a plugging state of a connector for implementing a switching function according to the present invention;
FIG. 16 is a schematic diagram of a connector of the present invention for implementing a switching function in a rack;
FIG. 17 is a cross-sectional view of the module in the rack as it is inserted;
FIG. 18 is a cross-sectional view of the module in the housing with the module separated;
fig. 19 is a circuit diagram of the application of the connector of the present invention to a rack for implementing a switching function.
[ Main element symbols description ]
1: Plug
2: Socket
3: Screw bolt
4: Compression spring
5: Socket insulator
6: Contact pin
7: Flat gasket
8: Spring washer
9: Push rod insulator
10: Short-circuit wire
11: Plug insulator
12: Jack (Jack)
13: Lock groove
14: Lock table
15: Supporting table
16: Positioning groove
17: Positioning hole
18: Clamping groove
19: Clamping table
20: Weight reduction groove
21: Case (S)
22: Chassis bottom plate
23: Printed board
24: Module socket
25: Module
26: Module plug
27: Power supply inlet wire
28: Main switch of power supply
29: Connector for realizing switch function
Detailed Description
In order to further describe the technical means and effects adopted by the invention to achieve the preset aim, the following detailed description refers to the specific implementation, structure, characteristics and effects of the connector for realizing the switch function according to the invention with reference to the accompanying drawings and the preferred embodiments.
Referring to fig. 1-15, which are schematic structural views of parts of a connector for implementing a switching function according to the present invention, the connector includes a plug 1 and a socket 2, wherein the socket includes a socket insulator 5, a front end of the socket insulator 5 is opened to form a cavity into which the front end of the plug 1 is inserted, a front end of a pin 6 is fixed in the cavity of the socket insulator 5, and a rear end extends out of the socket insulator 5 to be connected with an external device. The number of the pins 6 is two, and the pins respectively extend out of the socket insulator 5 to form two external terminals A and B.
An elastic piece 4 which stretches out and draws back along the axial direction and a fixing piece for fixing the socket insulator 5 on equipment are also arranged in the socket insulator 5. In the embodiment of the invention, the elastic piece 4 is a spring, the fixing piece is a screw 3, two springs and two screws are respectively arranged and symmetrically distributed on two sides of the two contact pins 6, and the springs are sleeved on the screws to realize axial floating guiding.
In the embodiment of the invention, in order to prevent the socket 1 from loosening on the equipment, a flat washer 7 and a spring washer 8 are further arranged between the screw 3 and the socket insulator 5, wherein the flat washer 7 is pressed on the tail end surface of the socket insulator 5, and the spring washer 8 is positioned between the flat washer 7 and the screw 3, so that an elastic force is provided between the screw 3 and the socket insulator 5 to keep the screw stable.
The plug 1 comprises a plug insulator 11 at the front end and a push rod insulator 9 at the rear end, wherein the push rod insulator 9 is matched with a locking groove 13 extending along the axial direction on the socket insulator 5 through at least one locking table 14 at the periphery of the push rod insulator, so that the axial backward limit between the plug and the socket is realized, one end of the elastic piece 4 is pressed on the socket insulator 5, and the other end is pressed on the push rod insulator 9, and the axial separation force is provided for the socket insulator 5 and the push rod insulator 9.
The push rod insulator 9 is also provided with a positioning hole 17 for the screw 3 to pass through, and when the connector is inserted, the tail part of the screw 3 passes through the positioning hole 17 and is matched and locked with a corresponding threaded hole on the device, so that the connector is fixed on the device.
The plug insulator 11 is fixed at the front end of the push rod insulator 9 and moves along with the push rod insulator 9, two jacks 12 are arranged in the plug insulator 11, and the tail parts of the two short-circuit jacks 12 are connected through a short-circuit wire to realize current conduction.
The connector has a short circuit state and an open circuit state, when no external force exists, the contact pin and the jack are mutually separated under the axially opposite elastic force provided by the elastic piece 4, and at the moment, the socket insulator 5 and the push rod insulator 9 realize axial limit through the matching of the lock table 14 and the lock groove 13, so that the socket insulator and the push rod insulator are prevented from being separated from each other. At this time, the two pins 6 provided in the socket insulator 5 are not in contact with the two insertion holes 12 in the plug insulator 11, and an open state, that is, a normally open state is provided between the two external connection terminals a and B.
When the push rod insulator 9 of the plug moves towards the socket insulator 5 under the action of external force, the two jacks 12 in the plug insulator 11 also move towards the two pins 6, so that the two jacks 12 are in contact conduction with the two pins 6, and at the moment, the two external connection terminals A and B are in a short circuit state, namely a normal working state.
In the embodiment of the invention, the length of the locking groove 13 meets the plugging requirement of the pin and the jack. And the socket insulator 5 is internally provided with a step surface which is blocked and limited with the front end surface of the push rod insulator 9 so as to prevent the excessive insertion of the plug and the socket.
Preferably, the push rod insulator 9 has a stepped shaft structure with a large front end and a small rear end, wherein a locking table 14 is arranged on the periphery of the large diameter end of the front end, and the positioning holes 17 are also formed in the large diameter end, and are symmetrically distributed on the outer ring of the large diameter end. The plug insulator 11 is fixedly assembled in a cavity of the inner ring of the large-diameter end of the push rod insulator 9 through a clamping table 19 at the periphery of the plug insulator, and is matched and locked with a clamping groove 18 on the inner wall of the cavity. When the connector is fixed on equipment, the rear end face of the large-diameter end of the push rod insulator 9 is pressed on the equipment, the screw 3 penetrating through the positioning hole of the large-diameter end is locked with the equipment, the small-diameter end of the push rod insulator stretches into the equipment, and the plug insulator can be driven to approach the socket insulator under the pushing of external force, so that the contact pin and the jack are in contact conduction.
In the embodiment of the invention, the push rod insulator 9 is integrally T-shaped and comprises a plug-in part at the front end and a force application part at the rear end, wherein the plug insulator 11 is fixedly connected with a cavity in the middle of the plug-in part, locking platforms 14 for adapting to clamping grooves on the socket insulator 5 are arranged on the outer walls of two sides of the plug-in part, positioning holes 17 are respectively arranged on two sides of the plug-in part, and guiding of the plug in moving is realized through the cooperation of the positioning holes 17 and the screws 3. Preferably, a weight-reducing groove 20 is further provided between the middle part of the plug-in part of the push rod insulator 9, which is provided with the fixing cavity, and the two side parts provided with the positioning holes, and the weight-reducing groove is a U-shaped groove, but is not limited thereto.
In the embodiment of the present invention, the portion of the pin 6 extending out of the socket insulator 5 is bent at the upward and forward sides and then extends axially along the socket insulator 5, the socket insulator 5 is provided with a supporting table 15 for supporting the portion of the tail of the pin 6 extending axially along the socket insulator 5, preferably, the supporting table 15 is further provided with two positioning slots 16 for accommodating the pin 6, and the pin 6 is embedded in the positioning slots 16 to realize radial support and limit, so as to prevent the contact reliability of the pin from being affected by the shaking of the tail of the pin 6. And the pin 6 after the bending is integrally U-shaped, so that the connector and the printed board can be conveniently welded.
The connector for realizing the switching function can be applied to a modular connector case to realize independent control of power circuits of all modules in the case, and each module is correspondingly provided with a connector for realizing the switching function.
Specifically, the modular connector includes a chassis 21 having a module socket 24 on a bottom plate and a plurality of modules 25 mounted in the chassis, each module having a module plug 26 at an end for mating with the module socket 24. The bottom of the case 21 is also provided with a printed board 23 connected with the tail of each module socket 24, the printed board 23 is connected with a power master switch 28 on the case 24 through an internal lead, and is communicated with an external power inlet wire 27 through the power master switch 28. The printed board 23 distributes power to the power contacts of the respective module sockets through its internal wiring. The connector for realizing the switching function is arranged on the bottom plate of the case 21, so that the power supply circuit corresponding to each module socket on the printed board 23 is switched on and off.
Specifically, the connector for realizing the switching function is fixed at the bottom of the chassis bottom plate 22 through the screw 3, and is connected with the power circuit of the corresponding module on the printed board through the part of the tail part of the contact pin 6 extending out of the socket insulator 5, and is used as a switch on the power circuit of the module to realize the on-off of the power circuit of the module. At this time, the rear end face of the plug-in part of the push rod insulator 9 of the plug end contacts with the end face of the chassis base plate, the force application part penetrates through the chassis base plate to extend into the chassis, and can move towards the socket 2 end under the pushing of the module 25 when the module 25 is inserted, and when the module plug and the module socket are inserted in place, the connector for realizing the switch function is also inserted in place at the same time, so that the power circuit of the module is conducted, namely, the connector for realizing the switch function is synchronously inserted with the chassis connector. And when the module connector is separated, the connector plug realizing the switching function is also separated from the socket along with the separation of the module 25 due to the existence of the spring 4, and when the module plug and the module socket are completely separated, the contact pin and the jack of the connector realizing the switching function are also completely separated, so that the power supply of the module is disconnected. Preferably, two terminals of the connector for realizing the switching function are connected to a positive electrode circuit of the module power supply circuit.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a realize connector of switching function, its includes front end to plug and socket of inserting, and the socket includes the socket insulator and fixes two contact pins in the socket insulator, and the plug includes plug housing and fixes two jacks in the plug housing, its characterized in that: the tail parts of the two jacks are electrically communicated, and the tail parts of the two contact pins extend out of the socket insulator to form two external terminals for connection with a circuit; the socket insulator is also internally provided with an elastic piece for providing separating force for the socket insulator and the plug shell; a clamping groove and a clamping table for preventing the plug shell and the socket insulator from being separated from each other are further arranged between the plug shell and the socket insulator, and the clamping groove and the socket insulator have lengths meeting the relative movement distance when the contact pin and the jack are inserted; the plug shell comprises a plug insulator at the front end and a push rod insulator at the rear end, wherein the push rod insulator comprises a plugging part at the front end and a force application part at the rear end, and two sides of the plugging part are respectively provided with a positioning hole; the parts of the tail parts of the two contact pins, which extend out of the socket insulator, are bent and then extend along the axial direction of the socket insulator and are connected with a circuit for distributing power to a single module on the rack printed board, so that the control of the power circuit of the single module in the rack chassis is realized, and when the rack module is inserted into the chassis, the power circuit is communicated by short circuit connection; when the modules are separated, the power circuit is disconnected.
2. The connector for implementing a switching function according to claim 1, wherein: the socket insulator is also provided with a supporting table for supporting the bent tail part of the contact pin.
3. The connector for implementing a switching function according to claim 2, wherein: the supporting table is provided with a groove for accommodating the contact pins and limiting deflection of the contact pins.
4. The connector for implementing a switching function according to claim 1, wherein: the socket insulator is also provided with at least two fixing pieces for fixing the connector on equipment, and the plug shell is provided with positioning holes for the fixing pieces to pass through.
5. The connector for implementing a switching function according to claim 4, wherein: the fixing piece is a screw, a flat washer is pressed between the screw head and the socket insulator, and a spring washer is arranged between the flat washer and the screw head.
6. The connector for implementing a switching function according to claim 1, wherein: the push rod insulator inserting part is provided with a cavity for accommodating the tail part of the plug insulator, and the plug insulator and the push rod insulator are detachably connected through the matching of the concave-convex structure.
7. The connector for implementing a switching function according to claim 4, wherein: wherein the elastic piece is a spring sleeved on the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091108.0A CN114725716B (en) | 2022-01-26 | 2022-01-26 | Connector for realizing switch function and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091108.0A CN114725716B (en) | 2022-01-26 | 2022-01-26 | Connector for realizing switch function and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114725716A CN114725716A (en) | 2022-07-08 |
| CN114725716B true CN114725716B (en) | 2024-05-17 |
Family
ID=82236218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210091108.0A Active CN114725716B (en) | 2022-01-26 | 2022-01-26 | Connector for realizing switch function and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114725716B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226931A (en) * | 1990-01-31 | 1991-10-07 | Toshiba Corp | Switch |
| CN202678563U (en) * | 2012-07-10 | 2013-01-16 | 张明 | Separate type safety socket |
| CN203967333U (en) * | 2014-02-28 | 2014-11-26 | 戴维峰 | Safety socket and traditional plug power supply changeover device |
| CN104617447A (en) * | 2015-02-15 | 2015-05-13 | 中国工程物理研究院化工材料研究所 | High-voltage resistant electric coupler plug and socket, high-voltage resistant electric coupler and manufacturing method thereof |
| CN205991876U (en) * | 2016-08-26 | 2017-03-01 | 江西瑞声电子有限公司 | A kind of Novel earphone button switch life test machine |
| CN106785744A (en) * | 2017-01-22 | 2017-05-31 | 陈以勒 | A kind of modularization printed board type rectangle mixed plug connector |
| CN206211197U (en) * | 2016-10-12 | 2017-05-31 | 上海思方电气技术有限公司 | A kind of anti-open circuit pluggable electric connector |
| CN108565606A (en) * | 2018-02-08 | 2018-09-21 | 西安炎煜电子科技有限公司 | A kind of short circuit connector switch |
| KR101969996B1 (en) * | 2017-10-31 | 2019-04-18 | 주식회사 경신 | Connector for vehicle |
| CN112615185A (en) * | 2020-12-08 | 2021-04-06 | 夏豪 | Multifunctional electric shock prevention safety plug |
| CN214205935U (en) * | 2020-08-10 | 2021-09-14 | 北京硅基远航科技有限公司 | Server and circuit board thereof |
| CN215008801U (en) * | 2021-03-23 | 2021-12-03 | 高邮市德尔门特电器厂 | Electric vehicle charger socket |
-
2022
- 2022-01-26 CN CN202210091108.0A patent/CN114725716B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226931A (en) * | 1990-01-31 | 1991-10-07 | Toshiba Corp | Switch |
| CN202678563U (en) * | 2012-07-10 | 2013-01-16 | 张明 | Separate type safety socket |
| CN203967333U (en) * | 2014-02-28 | 2014-11-26 | 戴维峰 | Safety socket and traditional plug power supply changeover device |
| CN104617447A (en) * | 2015-02-15 | 2015-05-13 | 中国工程物理研究院化工材料研究所 | High-voltage resistant electric coupler plug and socket, high-voltage resistant electric coupler and manufacturing method thereof |
| CN205991876U (en) * | 2016-08-26 | 2017-03-01 | 江西瑞声电子有限公司 | A kind of Novel earphone button switch life test machine |
| CN206211197U (en) * | 2016-10-12 | 2017-05-31 | 上海思方电气技术有限公司 | A kind of anti-open circuit pluggable electric connector |
| CN106785744A (en) * | 2017-01-22 | 2017-05-31 | 陈以勒 | A kind of modularization printed board type rectangle mixed plug connector |
| KR101969996B1 (en) * | 2017-10-31 | 2019-04-18 | 주식회사 경신 | Connector for vehicle |
| CN108565606A (en) * | 2018-02-08 | 2018-09-21 | 西安炎煜电子科技有限公司 | A kind of short circuit connector switch |
| CN214205935U (en) * | 2020-08-10 | 2021-09-14 | 北京硅基远航科技有限公司 | Server and circuit board thereof |
| CN112615185A (en) * | 2020-12-08 | 2021-04-06 | 夏豪 | Multifunctional electric shock prevention safety plug |
| CN215008801U (en) * | 2021-03-23 | 2021-12-03 | 高邮市德尔门特电器厂 | Electric vehicle charger socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114725716A (en) | 2022-07-08 |
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