CN209805235U - Ring main unit gap plugging device - Google Patents
Ring main unit gap plugging device Download PDFInfo
- Publication number
- CN209805235U CN209805235U CN201920210008.9U CN201920210008U CN209805235U CN 209805235 U CN209805235 U CN 209805235U CN 201920210008 U CN201920210008 U CN 201920210008U CN 209805235 U CN209805235 U CN 209805235U
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- China
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- mounting box
- main unit
- push
- ring main
- hole
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Abstract
The utility model discloses a looped netowrk cabinet gap plugging device, including a plurality of circular ports of seting up on the inner wall of looped netowrk cabinet body bottom and a plurality of cables of setting at the looped netowrk cabinet body, every cable runs through corresponding circular port in proper order and extends to that the looped netowrk cabinet is external, the mounting box that the top set up for the opening has been placed to the inside of circular port, and fixed mounting has two locating levers on the bottom inner wall of mounting box, and the sliding sleeve is equipped with same push pedal on two locating levers that are located same mounting box, rotate on the lateral wall of mounting box and install the screw rod that two symmetries set up, and the equal fixed mounting of one end that two screw rods that are located same. The utility model relates to a rationally, convenient operation is convenient for carry out the shutoff to the circular port of equidimension not, prevents that the hydrology from getting into this internal damage to causing of looped netowrk cabinet, has satisfied personnel's user demand.
Description
Technical Field
The utility model relates to a shutoff technical field especially relates to a looped netowrk cabinet gap plugging device.
background
The ring main unit is a group of high-voltage switch equipment which is arranged in a steel plate metal main unit body or is made into electrical equipment of an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like; because underground pipe networks are vertical and horizontal, cable trench channels are usually difficult to be independent and closed, and rain, snow, leakage, unsmooth drainage and other reasons can cause a large amount of sewage to be gathered in the cabinet body, because the cable inlets are not tightly closed, water vapor generated in the cable channels enters the ring main unit, condensation is formed in the ring main unit, and the cable in the ring main unit fails, a ring main unit gap plugging device is needed to plug the cable inlets, the existing ring main unit gap plugging device generally plugs the cable inlets through plugging blocks to prevent the condensation from entering the ring main unit, but the plugging blocks in the existing ring main unit gap plugging device are inconvenient to plug the cable inlets with different sizes, if the cable inlets are large, the larger plugging blocks need to be replaced to plug, and then plugging blocks of various types need to be produced, a large amount of resources are wasted, time and labor are wasted, and the using requirements of personnel cannot be met, so that the ring main unit gap plugging device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the looped netowrk cabinet gap plugging device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A ring main unit gap plugging device comprises a plurality of circular holes formed in the inner wall of the bottom of a ring main unit body and a plurality of cables arranged on the ring main unit body, wherein each cable sequentially penetrates through the corresponding circular hole and extends out of the ring main unit body, a mounting box with an opening at the top is placed inside the circular hole, two positioning rods are fixedly mounted on the inner wall of the bottom of the mounting box, the two positioning rods in the same mounting box are slidably sleeved with the same push plate, two symmetrically arranged screw rods are rotatably mounted on the side wall of the mounting box, first bevel gears are fixedly mounted at the ends, close to each other, of the two screw rods in the same mounting box, the same second bevel gear is meshed between the two first bevel gears in the same mounting box, the second bevel gear is positioned below the first bevel gear, and a rotating shaft is fixedly mounted at the bottom of the second bevel gear, one end of the rotating shaft, which is far away from the corresponding second bevel gear, extends to the lower part of the mounting box and is fixedly provided with a knob, the knob is positioned in a circular hole, two first push rods are hinged on the inner wall of the bottom of the mounting box and are symmetrically arranged, a plurality of balls which are linearly distributed are nested at the top ends of the first push rods and are contacted with the bottoms of the push plates, a first rectangular block is sleeved on the screw rod in a threaded manner, the two first rectangular blocks positioned in the same mounting box are both positioned between the two corresponding first push rods, the first rectangular blocks are in sliding connection with the corresponding side walls of the mounting box, the top parts of the first rectangular blocks are hinged with connecting rods which are obliquely arranged, the two connecting rods positioned in the same mounting box are symmetrically arranged, one end, which is far away from the corresponding first rectangular block, of the connecting rods is hinged with one side, which is close to the second bevel gear, of the first push rod is close to the corresponding first rectangular block, the extension spring is kept away from the one end of corresponding first push rod and the bottom inner wall fixed connection of mounting box, the top of push pedal articulates there is the second push rod that a plurality of slopes set up, the second push rod that is located on same push pedal is the annular setting, the one end that the corresponding push pedal was kept away from to the second push rod articulates there is the second rectangular block, the elasticity closure piece that has same bowl-shaped structure is pasted at the top of the second rectangular block that is located in same mounting box, and the bottom of elasticity closure piece is fixed all around with the top of the mounting box that corresponds, the lateral wall of elasticity closure piece contacts with the second rectangular block that corresponds, the outside and the circular port sealing contact that corresponds of elasticity closure piece, and the outside and the cable that correspond of elasticity closure piece cooperate.
Preferably, a first through hole is formed in one side of the positioning rod, the screw rod is located in the corresponding first through hole, and the side wall of the first through hole is not in contact with the outer side of the screw rod.
Preferably, a second through hole is formed in one side of the first push rod, the screw rod is located in the corresponding second through hole, and the side wall of the second through hole is not in contact with the outer side of the screw rod.
Preferably, one side of the first rectangular block is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.
Preferably, two bearings which are symmetrically arranged are fixedly installed on the side wall of the installation box, and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding screw rods.
Preferably, two square holes are formed in the top of the push plate and are in sliding connection with the corresponding positioning rods.
Preferably, two sliding grooves are formed in the inner walls of the other two sides of the mounting box, sliding blocks are fixedly mounted on the two sides of the first rectangular block, and the sliding blocks are connected with the corresponding sliding grooves in a sliding mode.
Preferably, a third through hole is formed in the inner wall of the bottom of the mounting box, and the inside of the third through hole is rotatably mounted with the outer side of the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
By matching a ring main body, an elastic plug, a cable, a positioning rod, a push plate, a screw rod, a first rectangular block, a connecting rod, a first push rod, a tension spring, a first bevel gear, a second bevel gear, a rotating shaft, a second push rod, a knob and a circular hole with the second rectangular block, rotating the knob in a forward direction, driving the second bevel gear to rotate through the corresponding rotating shaft by the knob, driving the screw rod to rotate through the corresponding first bevel gear by the second bevel gear, driving the connecting rod to move through the corresponding first rectangular block under the action of a threaded hole, extruding the corresponding first push rod by the connecting rod, driving the corresponding first push rod to rotate on the inner wall of the bottom of the mounting box by extrusion force and stretching the spring, driving the corresponding ball to extrude the push plate by the first push rod, driving the second push rod to move through the corresponding push plate by the extrusion force, extruding the corresponding second rectangular block by the second push rod, extruded power stretches the diameter increase that makes the elasticity closure piece through a plurality of second rectangular blocks that correspond to the elasticity closure piece, and the elasticity closure piece wraps up the cable and carries out in close contact with the lateral wall of circular port, and then makes the elasticity closure piece can carry out the shutoff to the circular port of equidimension not, prevents that the dew from getting into this internal damage that causes the cable of looped netowrk cabinet.
The utility model relates to a rationally, convenient operation is convenient for carry out the shutoff to the circular port of equidimension not, prevents that the hydrology from getting into this internal damage to causing of looped netowrk cabinet, has satisfied personnel's user demand.
Drawings
fig. 1 is a schematic structural view of a ring main unit gap plugging device provided by the present invention;
Fig. 2 is a schematic sectional structure view of a portion a in fig. 1.
In the figure: 1 looped netowrk cabinet body, 2 elasticity closure pieces, 3 cables, 4 locating levers, 5 push pedals, 6 screw rods, 7 first rectangle pieces, 8 connecting rods, 9 first push rods, 10 extension springs, 11 first bevel gear, 12 second bevel gear, 13 pivots, 14 second push rods, 15 knobs, 16 circular ports, 17 second rectangle pieces, 18 mounting boxes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a ring main unit gap plugging device comprises a plurality of circular holes 16 formed on the inner wall of the bottom of a ring main unit body 1 and a plurality of cables 3 arranged on the ring main unit body 1, each cable 3 sequentially penetrates through the corresponding circular hole 16 and extends to the outside of the ring main unit body 1, a mounting box 18 with an opening at the top is arranged inside the circular hole 16, two positioning rods 4 are fixedly arranged on the inner wall of the bottom of the mounting box 18, a same push plate 5 is slidably sleeved on the two positioning rods 4 in the same mounting box 18, two symmetrically arranged screw rods 6 are rotatably arranged on the side wall of the mounting box 18, a first bevel gear 11 is fixedly arranged at one end of each two screw rods 6 in the same mounting box 18, a same second bevel gear 12 is engaged between the two first bevel gears 11 in the same mounting box 18, the second bevel gear 12 is positioned below the first bevel gear 11, a rotating shaft 13 is fixedly installed at the bottom of the second bevel gear 12, one end of the rotating shaft 13, far away from the corresponding second bevel gear 12, extends to the lower part of the mounting box 18 and is fixedly provided with a knob 15, the knob 15 is positioned in a circular hole 16, two first push rods 9 are hinged on the inner wall of the bottom of the mounting box 18, the two first push rods 9 are symmetrically arranged, a plurality of balls which are linearly distributed are nested at the top end of the first push rods 9 and are contacted with the bottom of the push plate 5, a first rectangular block 7 is sleeved on the screw rod 6 in a threaded manner, the two first rectangular blocks 7 positioned in the same mounting box 18 are both positioned between the two corresponding first push rods 9, the first rectangular blocks 7 are slidably connected with the side wall of the corresponding mounting box 18, connecting rods 8 which are obliquely arranged are hinged at the top of the first rectangular blocks 7, the two connecting rods 8 positioned in the same mounting box 18 are symmetrically arranged, one end of the connecting rod 8 far from the corresponding first rectangular block 7 is hinged with one side of the first push rod 9 close to the second bevel gear 12, one side of the first push rod 9 close to the corresponding first rectangular block 7 is fixedly connected with a tension spring 10, one end of the tension spring 10 far from the corresponding first push rod 9 is fixedly connected with the inner wall of the bottom of the mounting box 18, the top of the push plate 5 is hinged with a plurality of second push rods 14 which are obliquely arranged, the second push rods 14 positioned on the same push plate 5 are annularly arranged, one end of the second push rods 14 far from the corresponding push plate 5 is hinged with a second rectangular block 17, the top of the second rectangular block 17 positioned in the same mounting box 18 is adhered with the elastic plugging piece 2 with the same bowl-shaped structure, the periphery of the bottom of the elastic plugging piece 2 is fixedly adhered with the periphery of the top of the corresponding mounting box 18, the side wall of the elastic plugging piece 2 is contacted with the corresponding second rectangular block 17, the outer side of the elastic plugging piece 2 is in sealing contact with the corresponding, the outer side of the elastic plug piece 2 is matched with the corresponding cable 3, the ring main unit body 1, the elastic plug piece 2, the cable 3, the positioning rod 4, the push plate 5, the screw rod 6, the first rectangular block 7, the connecting rod 8, the first push rod 9, the tension spring 10, the first bevel gear 11, the second bevel gear 12, the rotating shaft 13, the second push rod 14, the knob 15 and the circular hole 16 are matched with the second rectangular block 17, the knob 15 is rotated in the forward direction, the knob 15 drives the second bevel gear 12 to rotate through the corresponding rotating shaft 13, the second bevel gear 12 drives the screw rod 6 to rotate through the corresponding first bevel gear 11, under the action of the threaded hole, the screw rod 6 drives the connecting rod 8 to move through the corresponding first rectangular block 7, the connecting rod 8 extrudes the corresponding first push rod 9, the extrusion force drives the corresponding first push rod 9 to rotate on the bottom inner wall of the mounting box 18 and stretches the spring 10, first push rod 9 drives the ball that corresponds and extrudees push pedal 5, the extruded power drives second push rod 14 position through the push pedal 5 that corresponds and removes, second push rod 14 extrudes the second rectangular block 17 that corresponds, the extruded power is stretched elasticity closure piece 2 through a plurality of second rectangular blocks 17 that correspond and is makeed the diameter increase of elasticity closure piece 2, elasticity closure piece 2 wraps up cable 3 and carries out in close contact with the lateral wall of circular port 16, and then make elasticity closure piece 2 can carry out the shutoff to the circular port 16 of equidimension not, prevent that the hydrolat from getting into ring main unit body 1 and causing the damage to cable 3, the utility model relates to a rationally, convenient operation, be convenient for carry out the shutoff to the circular port 16 of equidimension not, prevent that the hydrolat from getting into ring main unit body 1 and causing the damage to cable 3, satisfied personnel's user demand.
in the utility model, one side of the positioning rod 4 is provided with a first through hole, the screw rod 6 is positioned in the corresponding first through hole, the side wall of the first through hole is not contacted with the outer side of the screw rod 6, one side of the first push rod 9 is provided with a second through hole, the screw rod 6 is positioned in the corresponding second through hole, the side wall of the second through hole is not contacted with the outer side of the screw rod 6, one side of the first rectangular block 7 is provided with a threaded hole which is connected with the corresponding screw rod 6 by screw thread, two bearings which are symmetrically arranged are fixedly arranged on the side wall of the mounting box 18, the inner ring of each bearing is fixedly sleeved with the outer side of the corresponding screw rod 6, the top of the push plate 5 is provided with two square holes which are connected with the corresponding positioning rod 4 in a sliding way, the inner walls of the other two sides of the mounting box 18 are provided with two sliding grooves, both sides of the first rectangular block, a third through hole is formed on the inner wall of the bottom of the mounting box 18, the inside of the third through hole is rotatably mounted with the outer side of the rotating shaft 13, the ring main unit body 1, the elastic plug 2, the cable 3, the positioning rod 4, the push plate 5, the screw 6, the first rectangular block 7, the connecting rod 8, the first push rod 9, the tension spring 10, the first bevel gear 11, the second bevel gear 12, the rotating shaft 13, the second push rod 14, the knob 15 and the circular hole 16 are matched with the second rectangular block 17, the knob 15 is rotated in the forward direction, the knob 15 drives the second bevel gear 12 to rotate through the corresponding rotating shaft 13, the second bevel gear 12 drives the screw 6 to rotate through the corresponding first bevel gear 11, under the action of the threaded hole, the screw 6 drives the connecting rod 8 to move through the corresponding first rectangular block 7, the connecting rod 8 extrudes the corresponding first push rod 9, the extrusion force drives the corresponding first push rod 9 to rotate on the inner wall of the bottom of the mounting box 18 and stretch the spring 10, first push rod 9 drives the ball that corresponds and extrudees push pedal 5, the extruded power drives second push rod 14 position through the push pedal 5 that corresponds and removes, second push rod 14 extrudes the second rectangular block 17 that corresponds, the extruded power is stretched elasticity closure piece 2 through a plurality of second rectangular blocks 17 that correspond and is makeed the diameter increase of elasticity closure piece 2, elasticity closure piece 2 wraps up cable 3 and carries out in close contact with the lateral wall of circular port 16, and then make elasticity closure piece 2 can carry out the shutoff to the circular port 16 of equidimension not, prevent that the hydrolat from getting into ring main unit body 1 and causing the damage to cable 3, the utility model relates to a rationally, convenient operation, be convenient for carry out the shutoff to the circular port 16 of equidimension not, prevent that the hydrolat from getting into ring main unit body 1 and causing the damage to cable 3, satisfied personnel's user demand.
The working principle is as follows: when the ring main unit is used, when a circular hole 16 needs to be plugged, the mounting box 18 with the elastic plugging piece 2 is firstly placed on the circular hole 16, one side of the elastic plugging piece 2 is positioned in the ring main unit body 1, then the knob 15 is rotated in the forward direction, the knob 15 drives the corresponding rotating shaft 13 to rotate, the rotating shaft 13 drives the corresponding second bevel gear 12 to rotate, as the second bevel gear 12 is meshed with the corresponding two first bevel gears 11, the second bevel gear 12 rotates to drive the corresponding two first bevel gears 11 to rotate, the first bevel gear 11 drives the corresponding screw rod 6 to rotate on the side wall of the mounting box 18, under the action of the screw rod 6 and the threaded hole, the screw rod 6 drives the corresponding first rectangular block 7 to move towards the direction position far away from the second bevel gear 12, the first rectangular block 7 drives the corresponding sliding block to slide in the sliding groove, and the rectangular block 7 drives the corresponding connecting rod 8 to move, the connecting rod 8 rotates at the top of the first rectangular block 7, the top end of the connecting rod 8 rotates on the corresponding first push rod 9 and extrudes the first push rod 9, the extrusion force drives the corresponding first push rod 9 to rotate on the inner wall of the bottom of the mounting box 18, the first push rod 9 simultaneously rotates and stretches the corresponding spring 10, the first push rod 9 drives the corresponding ball to extrude the bottom of the push plate 5, the extrusion force drives the square hole on the push plate 5 to slide upwards on the corresponding positioning rod 4, the push plate 5 drives the second push rod 14 to move, so that the second push rod 14 rotates at the top of the push plate 5, the top end of the second push rod 14 extrudes the corresponding second rectangular block 17, the extrusion force drives the corresponding second rectangular block 17 to move, the plurality of second rectangular blocks 17 jointly stretch the corresponding elastic plugging piece 2, and the diameter of the elastic plugging piece 2 is increased by the force pulled by the plurality of second rectangular blocks 17, carry out in close contact with to the outside of elasticity closure piece 2 and the lateral wall of circular port 16, elasticity closure piece 2 wraps up the cable in the circular port 16 for elasticity closure piece 2 can carry out the shutoff to the circular port 16 of equidimension not, prevents that the hydrology from getting into this internal damage to cable 3 that causes of looped netowrk cabinet, has satisfied personnel's user demand.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a ring main unit gap plugging device, includes a plurality of circular ports (16) of seting up on the inner wall of ring main unit body (1) bottom and a plurality of cable (3) of setting in ring main unit body (1), its characterized in that, every cable (3) run through corresponding circular port (16) in proper order and extend to outside ring main unit body (1), the inside of circular port (16) is placed the mounting box (18) that the top set up for the opening, and fixed mounting has two locating levers (4) on the bottom inner wall of mounting box (18), and it is equipped with same push pedal (5) to slide on two locating levers (4) that lie in same mounting box (18), the pivoted mounting has two symmetrical screw rods (6) that set up on the lateral wall of mounting box (18), and the one end that two screw rods (6) that lie in same mounting box (18) are close to each other all fixed mounting have first bevel gear (11), be located and have same second bevel gear (12) between two first bevel gear (11) of same mounting box (18) meshing, second bevel gear (12) are located the below of first bevel gear (11), and the bottom fixed mounting of second bevel gear (12) has pivot (13), and the one end that corresponding second bevel gear (12) were kept away from in pivot (13) extends to the below of mounting box (18) and fixed mounting has knob (15), and knob (15) are located circular port (16), it has two first push rods (9) to articulate on the bottom inner wall of mounting box (18), and two first push rods (9) symmetry set up, and the top nestification of first push rod (9) has a plurality of balls that are the straight line and distribute, and the ball contacts with the bottom of push pedal (5), threaded sleeve is equipped with first rectangular block (7) on screw rod (6), and two first rectangular blocks (7) that are located same mounting box (18) all are located two first push rods that correspond (7) 9) Between, first rectangle piece (7) and the mounting box (18) lateral wall sliding connection who corresponds, the top of first rectangle piece (7) articulates there is connecting rod (8) that the slope set up, is located two connecting rods (8) symmetry settings in same mounting box (18), and the one end that corresponding first rectangle piece (7) was kept away from in connecting rod (8) is articulated mutually with one side that first push rod (9) are close to second bevel gear (12), one side fixedly connected with extension spring (10) that first push rod (9) are close to corresponding first rectangle piece (7), and the one end that corresponding first push rod (9) were kept away from in extension spring (10) is fixedly connected with the bottom inner wall of mounting box (18), the top of push pedal (5) articulates there are a plurality of second push rods (14) that the slope set up, and second push rod (14) that are located on same push pedal (5) are the annular setting, one end, far away from the corresponding push plate (5), of the second push rod (14) is hinged with a second rectangular block (17), the top of the second rectangular block (17) in the same mounting box (18) is adhered with an elastic plugging sheet (2) with the same bowl-shaped structure, the periphery of the bottom of the elastic plugging sheet (2) is fixedly adhered with the periphery of the top of the corresponding mounting box (18), the side wall of the elastic plugging sheet (2) is in contact with the corresponding second rectangular block (17), the outer side of the elastic plugging sheet (2) is in sealing contact with the corresponding circular hole (16), and the outer side of the elastic plugging sheet (2) is matched with the corresponding cable (3); a first through hole is formed in one side of the positioning rod (4), the screw rod (6) is located in the corresponding first through hole, and the side wall of the first through hole is not in contact with the outer side of the screw rod (6); a second through hole is formed in one side of the first push rod (9), the screw rod (6) is located in the corresponding second through hole, and the side wall of the second through hole is not in contact with the outer side of the screw rod (6).
2. The ring main unit gap plugging device according to claim 1, wherein one side of said first rectangular block (7) is provided with a threaded hole, and the threaded hole is in threaded connection with a corresponding screw (6).
3. The ring main unit gap plugging device according to claim 1, wherein two symmetrically arranged bearings are fixedly mounted on the side wall of the mounting box (18), and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding screws (6).
4. The ring main unit gap plugging device according to claim 1, wherein two square holes are opened at the top of the push plate (5), and the square holes are slidably connected with the corresponding positioning rods (4).
5. The ring main unit gap plugging device according to claim 1, wherein two sliding grooves are respectively formed on the inner walls of the other two sides of the mounting box (18), sliding blocks are respectively fixedly mounted on the two sides of the first rectangular block (7), and the sliding blocks are slidably connected with the corresponding sliding grooves.
6. The ring main unit gap plugging device according to claim 1, wherein a third through hole is formed on an inner wall of a bottom of the mounting box (18), and an inner portion of the third through hole is rotatably mounted with an outer side of the rotating shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210008.9U CN209805235U (en) | 2019-02-19 | 2019-02-19 | Ring main unit gap plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210008.9U CN209805235U (en) | 2019-02-19 | 2019-02-19 | Ring main unit gap plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209805235U true CN209805235U (en) | 2019-12-17 |
Family
ID=68822435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210008.9U Expired - Fee Related CN209805235U (en) | 2019-02-19 | 2019-02-19 | Ring main unit gap plugging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209805235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361960A (en) * | 2021-12-11 | 2022-04-15 | 徐州鑫贝克电力设备股份有限公司 | Fireproof European-style box-type substation |
-
2019
- 2019-02-19 CN CN201920210008.9U patent/CN209805235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361960A (en) * | 2021-12-11 | 2022-04-15 | 徐州鑫贝克电力设备股份有限公司 | Fireproof European-style box-type substation |
| CN114361960B (en) * | 2021-12-11 | 2023-06-23 | 徐州鑫贝克电力设备股份有限公司 | Fireproof European style box-type substation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20220219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |