CN214044033U - Station power supply switching quick interface device - Google Patents
Station power supply switching quick interface device Download PDFInfo
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- CN214044033U CN214044033U CN202023025763.1U CN202023025763U CN214044033U CN 214044033 U CN214044033 U CN 214044033U CN 202023025763 U CN202023025763 U CN 202023025763U CN 214044033 U CN214044033 U CN 214044033U
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Abstract
The utility model relates to the technical field of power supply switching, in particular to a rapid power supply switching interface device for a station, which comprises a shell, a connecting element, a connecting copper bar, a pressing block, a strong spring and a plug terminal; the one end of casing is equipped with the connecting element other end and has seted up the interface, connect copper bar fixed connection inside the casing, connect copper bar one end and connecting element electric connection, other end fixed connection in interface bottom. The beneficial effects of the utility model reside in that: the quick interface device can be used for efficiently connecting external cables with different specifications with the station power supply, has higher universality and improves the convenience of connection between the external cables and the station power supply; the external cable only needs to be inserted into the socket through the plug-in terminal to complete connection without extra fixation, is convenient and efficient to connect, and is convenient to repeatedly plug and pull.
Description
Technical Field
The utility model relates to a power switching technical field, concretely relates to quick interface arrangement of power switching is used at station.
Background
The station power supply system of the transformer substation is the heart of the transformer substation and is responsible for power supply of low-voltage alternating-current and direct-current power utilization equipment of the whole substation.
When the transformer substation is overhauled or external equipment is in alternating current connection with in-station equipment of the transformer substation, cables of various external specifications are often required to be connected with a station power supply of the transformer substation, however, due to the fact that the specifications of the external cables are inconsistent with the specifications of the station power supply, the external cables need to be connected through a switching port, the existing switching port can be partially universal but cannot be completely universal, cable connection equipment of various unified and universal specifications is lacked, and the installation of the switching port is quite complex, and repeated plugging and unplugging of a plurality of external cables and the station power supply are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a station power supply changeover quick interface device capable of efficiently and conveniently connecting circuits of different external specifications with a station power supply.
In order to solve the technical problem, the utility model discloses a technical scheme does: a quick interface device for switching a power supply for a station comprises a shell, a connecting element, a connecting copper bar, a pressing block, a strong spring and a plug terminal;
one end of the shell is provided with a connecting element, the other end of the shell is provided with a socket, the connecting copper bar is fixedly connected inside the shell, one end of the connecting copper bar is electrically connected with the connecting element, and the other end of the connecting copper bar is fixedly connected to the bottom of the socket;
the pressing block is elastically connected in the shell through a strong spring and is positioned above the connecting copper bar, and a first inclined plane is arranged on one side, close to the inserting port, of the bottom end of the pressing block;
one end of the plug-in terminal is provided with a flat plug-in part, the plug-in part is plugged in the plug-in port and pressed on the connecting copper bar by the elastic pressing piece, and one side, close to the plug-in port, of the top end of the plug-in part is provided with a second inclined plane attached to the first inclined plane.
Specifically, the device also comprises an indexing pin pull rod, an indexing pin thimble and a pin sleeve;
the pin bush penetrates into the shell from the top of the shell, the bottom end of the pin bush is fixedly connected with the pressing block, a threaded hole longitudinally penetrating through the pin bush is formed in the pin bush, and a through hole coaxial with the threaded hole of the pin bush is formed in the pressing block;
the index pin pull rod is in threaded connection with the threaded hole of the pin sleeve, the index pin ejector pin is elastically connected to the bottom end of the index pin pull rod through a spring, the insertion part is provided with an insertion hole corresponding to the index pin ejector pin, and the bottom end of the index pin ejector pin extends into the insertion hole of the insertion part through the through hole of the pressing block.
Specifically, the novel multifunctional key comprises a knob, wherein a threaded hole is formed in the knob, and the top of the pin sleeve extends to the outside of the shell and is in threaded connection with the threaded hole of the knob.
Specifically, the bottom end of the index pin thimble is arc-spherical.
Specifically, the connecting copper bar is provided with a abdicating hole corresponding to the index pin thimble.
In particular, the connecting element is an aircraft plug.
The beneficial effects of the utility model reside in that: the quick interface device can be used for efficiently connecting external cables with different specifications with the station power supply, has higher universality and improves the convenience of connection between the external cables and the station power supply; the external cable can be connected only by inserting the plug terminal into the socket without additional fixation, and is convenient and efficient to connect and convenient to repeatedly plug and unplug; the first inclined plane and the second inclined plane are mutually attached to enable the inserting process of the inserting portion to be smoother, and therefore the connecting efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a power supply switching quick interface device for a station according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a power transfer quick interface device for a station according to an embodiment of the present invention;
FIG. 3 is a front view of a power switching quick interface device for a station according to an embodiment of the present invention;
FIG. 4 is a top view of the station power transfer quick interface device according to an embodiment of the present invention;
description of reference numerals:
1. a housing; 11. an interface; 2. a connecting element; 21. connecting the copper bars; 22. a hole of abdication; 3. briquetting; 4. a strong spring; 5. a plug-in terminal; 51. a plug-in part; 52. a jack; 6. a index pin pull rod; 7. a graduated pin thimble; 8. a pin bush; 9. a knob.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the utility model relates to a station power supply switching quick interface device, which comprises a shell 1, a connecting element 2, a connecting copper bar 21, a pressing block 3, a strong spring 4 and a plug terminal 5;
one end of the shell 1 is provided with a connecting element 2, the other end of the shell is provided with a socket 11, the connecting copper bar 21 is fixedly connected inside the shell 1, one end of the connecting copper bar 21 is electrically connected with the connecting element 2, and the other end of the connecting copper bar is fixedly connected to the bottom of the socket 11;
the pressing block 3 is elastically connected in the shell 1 through a strong spring 4 and is positioned above the connecting copper bar 21, and a first inclined plane is arranged on one side, close to the inserting port 11, of the bottom end of the pressing block 3;
one end of the plug-in terminal 5 is provided with a flat plug-in part 51, the plug-in part 51 is plugged in the plug-in port 11 and pressed on the connecting copper bar 21 by the elastic pressing piece, and one side of the top end of the plug-in part 51, which is close to the plug-in port 11, is provided with a second inclined plane attached to the first inclined plane.
The utility model discloses a theory of operation does: the plug-in terminal 5 is connected to an external cable, and then the connection element 2 is connected to a busbar of the station power supply.
Insert the grafting portion 51 of plug terminal 5 inside casing 1 from interface 11 afterwards, and insert between briquetting 3 and the connection copper bar 21, grafting portion 51 is inserting the briquetting 3 and connecting the in-process between the copper bar 21, thereby the second inclined plane of grafting portion 51 and the first inclined plane of briquetting 3 laminate each other and grafting portion 51 makes the process that grafting portion 51 was inserted more smooth with briquetting 3 jack-up gradually, briquetting 3 pushes down under powerful spring 4's effect again after being jacked up, thereby tightly push down grafting portion 51, realize the stable connection between grafting terminal 5 and the connection copper bar 21, and then realize the connection of external cable and station power.
As can be seen from the above description, the utility model has the advantages that: the quick interface device can be used for efficiently connecting external cables with different specifications with the station power supply, has higher universality and improves the convenience of connection between the external cables and the station power supply; the external cable can be connected only by inserting the plug terminal into the socket without additional fixation, and is convenient and efficient to connect and convenient to repeatedly plug and unplug; the first inclined plane and the second inclined plane are mutually attached to enable the inserting process of the inserting portion to be smoother, and therefore the connecting efficiency is improved.
Furthermore, the device also comprises an indexing pin pull rod 6, an indexing pin thimble 7 and a pin sleeve 8;
the pin bush 8 penetrates into the shell 1 from the top of the shell 1, the bottom end of the pin bush 8 is fixedly connected with the pressing block 3, a threaded hole longitudinally penetrating through the pin bush 8 is formed in the pin bush 8, and a through hole coaxial with the threaded hole of the pin bush 8 is formed in the pressing block 3;
the index pin pull rod 6 is in threaded connection with a threaded hole of the pin sleeve 8, the index pin ejector pin 7 is elastically connected to the bottom end of the index pin pull rod 6 through a spring, the insertion part 51 is provided with an insertion hole 52 corresponding to the index pin ejector pin 7, and the bottom end of the index pin ejector pin 7 extends into the insertion hole 52 of the insertion part 51 through a through hole of the press block 3.
According to the above description, after the inserting part is inserted between the pressing block and the connecting copper bar, the index pin ejector pin can stretch into the inserting hole under the elastic action, so that the inserting part is further fixed, and the inserting part is prevented from being separated.
Further, the shell further comprises a knob 9, a threaded hole is formed in the knob 9, and the top of the pin sleeve 8 extends to the outside of the shell 1 and is screwed in the threaded hole of the knob 9.
According to the above description, the diameters of the cables with different specifications are different, and the thicknesses of the plug-in parts of the plug-in terminals connected with the cables are different, so that the pin sleeves can move up and down by rotating the knob, the distance between the pressing block and the connecting copper bar is adjusted, and the plug-in parts with different thicknesses can be conveniently connected.
Furthermore, the bottom end of the index pin thimble 7 is arc-spherical.
According to the description, the bottom end of the index pin ejector pin is arc-spherical, so that the inserting part can naturally jack the index pin ejector pin upwards in the inserting process, and the inserting part can be normally inserted between the pressing block and the connecting copper bar
Furthermore, the connecting copper bar 21 is provided with an abdicating hole 22 corresponding to the index pin thimble 7.
According to the above description, after the insertion part is pulled out, the powerful spring rebounds to drive the indexing pin pull rod and the pressing block to move downwards, so that the indexing pin ejector pin is just positioned in the yielding hole, and further, after the insertion part is prevented from being pulled out, the connecting copper bar continuously jacks the indexing pin ejector pin upwards to cause the spring between the indexing pin ejector pin and the indexing pin pull rod to lose efficacy.
Further, the connecting element 2 is an aircraft plug.
Example one
A station power supply switching quick interface device comprises a shell 1, a connecting element 2, a connecting copper bar 21, a pressing block 3, a strong spring 4 and a plug terminal 5;
one end of the shell 1 is provided with a connecting element 2, the other end of the shell is provided with a socket 11, the connecting copper bar 21 is fixedly connected inside the shell 1, one end of the connecting copper bar 21 is electrically connected with the connecting element 2, the other end of the connecting copper bar is fixedly connected to the bottom of the socket 11, the connecting element 2 is an aviation plug, and the connecting copper bar 21 is fixedly connected with the connecting element 2 through a bolt;
the pressing block 3 is elastically connected in the shell 1 through a strong spring 4 and is positioned above the connecting copper bar 21, and a first inclined plane is arranged on one side, close to the inserting port 11, of the bottom end of the pressing block 3;
one end of the plug terminal 5 is provided with a flat plug part 51, the plug part 51 is plugged in the plug port 11 and pressed on the connecting copper bar 21 by the elastic pressing piece, and one side of the top end of the plug part 51 close to the plug port 11 is provided with a second inclined plane attached to the first inclined plane;
the device also comprises an indexing pin pull rod 6, an indexing pin thimble 7 and a pin sleeve 8;
the pin bush 8 penetrates into the shell 1 from the top of the shell 1, the bottom end of the pin bush 8 is fixedly connected with the pressing block 3, a threaded hole longitudinally penetrating through the pin bush 8 is formed in the pin bush 8, and a through hole coaxial with the threaded hole of the pin bush 8 is formed in the pressing block 3;
the indexing pin pull rod 6 is in threaded connection with a threaded hole of the pin sleeve 8, the indexing pin ejector pin 7 is elastically connected to the bottom end of the indexing pin pull rod 6 through a spring, the insertion part 51 is provided with an insertion hole 52 corresponding to the indexing pin ejector pin 7, the bottom end of the indexing pin ejector pin 7 extends into the insertion hole 52 of the insertion part 51 from a through hole of the press block 3, the bottom end of the indexing pin ejector pin 7 is arc-sphere-shaped, and the connecting copper bar 21 is provided with a abdicating hole 22 corresponding to the indexing pin ejector pin 7;
the novel shell is characterized by further comprising a knob 9, wherein a threaded hole is formed in the knob 9, and the top of the pin sleeve 8 extends to the outside of the shell 1 and is in threaded connection with the threaded hole of the knob 9.
To sum up, the utility model provides a beneficial effect lies in: the quick interface device can be used for efficiently connecting external cables with different specifications with the station power supply, has higher universality and improves the convenience of connection between the external cables and the station power supply; the external cable can be connected only by inserting the plug terminal into the socket without additional fixation, and is convenient and efficient to connect and convenient to repeatedly plug and unplug; the first inclined plane and the second inclined plane are mutually attached to enable the inserting process of the inserting portion to be smoother, and therefore the connecting efficiency is improved. After insertion part inserts between briquetting and the connection copper bar, the index pin thimble can stretch into in the jack under the elastic action to further fix insertion part, avoid insertion part to take place to break away from. Because its diameter of the cable of different specifications is different, and the thickness of the grafting portion of its grafting terminal of connecting is also different, consequently can make the pin bush reciprocate through rotating the knob to adjust the briquetting and be connected the interval between the copper bar, and then the grafting portion of the different thickness of being convenient for is connected. The bottom of graduation pin thimble is the arc globoid form, can make grafting portion make the upwards jack-up of graduation pin thimble at male in-process nature, thereby make grafting portion can normally insert the briquetting and connect between the copper bar when grafting portion is extracted the back, powerful spring kick-backs and drives graduation pin pull rod and briquetting and move down, thereby make the graduation pin thimble just be located and step down downthehole, and then can avoid grafting portion to be extracted the back, it last to make the graduation pin thimble upwards jack-up and lead to the spring between graduation pin thimble and the graduation pin pull rod to connect the copper bar to become invalid.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A quick interface device for switching a power supply for a station is characterized by comprising a shell, a connecting element, a connecting copper bar, a pressing block, a strong spring and a plug terminal;
one end of the shell is provided with a connecting element, the other end of the shell is provided with a socket, the connecting copper bar is fixedly connected inside the shell, one end of the connecting copper bar is electrically connected with the connecting element, and the other end of the connecting copper bar is fixedly connected to the bottom of the socket;
the pressing block is elastically connected in the shell through a strong spring and is positioned above the connecting copper bar, and a first inclined plane is arranged on one side, close to the inserting port, of the bottom end of the pressing block;
one end of the plug-in terminal is provided with a flat plug-in part, the plug-in part is plugged in the plug-in port and pressed on the connecting copper bar by the elastic pressing piece, and one side, close to the plug-in port, of the top end of the plug-in part is provided with a second inclined plane attached to the first inclined plane.
2. The station power transfer quick interface device of claim 1, further comprising an index pin pull rod, an index pin ejector pin, and a pin sleeve;
the pin bush penetrates into the shell from the top of the shell, the bottom end of the pin bush is fixedly connected with the pressing block, a threaded hole longitudinally penetrating through the pin bush is formed in the pin bush, and a through hole coaxial with the threaded hole of the pin bush is formed in the pressing block;
the index pin pull rod is in threaded connection with the threaded hole of the pin sleeve, the index pin ejector pin is elastically connected to the bottom end of the index pin pull rod through a spring, the insertion part is provided with an insertion hole corresponding to the index pin ejector pin, and the bottom end of the index pin ejector pin extends into the insertion hole of the insertion part through the through hole of the pressing block.
3. The station power supply changeover quick interface device according to claim 2, further comprising a knob having a threaded hole formed therein, wherein the top of the pin sleeve extends to the outside of the housing and is threadedly engaged in the threaded hole of the knob.
4. The station power transfer quick interface device of claim 2, wherein said indexing pin head has a bottom end in the shape of an arc sphere.
5. The station power supply switching quick interface device according to claim 2, wherein the connecting copper bar is provided with an abdicating hole corresponding to the index pin.
6. The station power transition quick interface device of claim 1, wherein the connecting element is an aircraft plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023025763.1U CN214044033U (en) | 2020-12-16 | 2020-12-16 | Station power supply switching quick interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023025763.1U CN214044033U (en) | 2020-12-16 | 2020-12-16 | Station power supply switching quick interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214044033U true CN214044033U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023025763.1U Active CN214044033U (en) | 2020-12-16 | 2020-12-16 | Station power supply switching quick interface device |
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| CN (1) | CN214044033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069276A (en) * | 2021-11-29 | 2022-02-18 | 广东电网有限责任公司 | Switch end quick interface and electrical cabinet |
| CN114122844A (en) * | 2021-11-29 | 2022-03-01 | 中国核动力研究设计院 | Input switching device suitable for in-pile emergency power supply system |
-
2020
- 2020-12-16 CN CN202023025763.1U patent/CN214044033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069276A (en) * | 2021-11-29 | 2022-02-18 | 广东电网有限责任公司 | Switch end quick interface and electrical cabinet |
| CN114122844A (en) * | 2021-11-29 | 2022-03-01 | 中国核动力研究设计院 | Input switching device suitable for in-pile emergency power supply system |
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