CN220830197U - Locking mechanism of ring main unit - Google Patents
Locking mechanism of ring main unit Download PDFInfo
- Publication number
- CN220830197U CN220830197U CN202322432167.2U CN202322432167U CN220830197U CN 220830197 U CN220830197 U CN 220830197U CN 202322432167 U CN202322432167 U CN 202322432167U CN 220830197 U CN220830197 U CN 220830197U
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- China
- Prior art keywords
- ring main
- main unit
- cabinet door
- connecting rod
- locking mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a locking mechanism of a ring main unit, which relates to the technical field of ring main units and comprises a ring main unit body, wherein a protective cabinet door is hinged to the front end part of the ring main unit body, a placing groove is formed in the protective cabinet door at the opposite side of a hinged position, a locking assembly is fixedly installed, and the locking assembly can be used for conveniently fixedly connecting the protective cabinet door with the ring main unit body. The utility model shortens the closing step of the ring main unit and the operation of the grab rail, not only can realize the separation of the locking part of the protection cabinet door, but also can realize the separation of the protection cabinet door from the ring main unit body, and the whole operation is carried out simultaneously, thereby shortening the closing time of the ring main unit body and being more beneficial to the closing operation of the ring main unit; the grab rail can be folded inside the placement groove, rainwater can be prevented from flowing to the connection position with the lock body along the handle, the handle is easy to corrode and rust, the risk of breakage occurs when the cabinet door is rotated to open, and the closed operation safety of the ring main unit is guaranteed while maintenance personnel open the cabinet to maintain.
Description
Technical Field
The utility model relates to the technical field of ring main units, in particular to a locking mechanism of a ring main unit.
Background
The ring main unit is an electric device with a group of power transmission and distribution electric equipment arranged in a metal or nonmetal insulating cabinet body or made into an assembled spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely applied to power distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like.
At present, a locking mechanism is arranged on a cabinet door of the ring main unit, and generally comprises a lock body and a rotary handle. For the operation of the locking mechanism, at least 2 steps are generally required; first, separating the components for connecting the cabinet door and the cabinet body; secondly, operating the rotating handle to pull out the cabinet door; therefore, the locking structure increases the opening and closing time of the cabinet door, the existing rotating handle is fixed in position and exposed outside, rainwater easily flows to the joint with the lock body along the handle, the rotating handle is easy to corrode and rust, the risk of breakage exists when the cabinet door is rotated to open, and inconvenience is brought to the maintenance personnel for opening the cabinet for maintenance. For this, we propose a locking mechanism of ring main unit.
Disclosure of utility model
The utility model aims to provide a locking mechanism of a ring main unit, which aims to solve the problems that the locking structure provided in the background art increases the opening and closing time of a cabinet door, the existing rotating handle is fixed in position and exposed outside, rainwater easily flows to the joint with a lock body along the handle, the rotating handle is easy to corrode and rust, the risk of breakage exists when the cabinet door is rotated, and inconvenience is brought to maintenance personnel for opening the cabinet.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking mechanical system of looped netowrk cabinet, includes the looped netowrk cabinet body and installs in the internal electrical component of looped netowrk cabinet, the tip articulates in the front of the looped netowrk cabinet body has the protection cabinet door, the recess of placing has been seted up with articulated position looks dorsal part on the protection cabinet door, and fixed mounting has the locking subassembly, the locking subassembly can be convenient for with protection cabinet door and looped netowrk cabinet body fixed connection.
Preferably, the locking assembly comprises a rotating shaft and a grab bar fixedly mounted with the rotating shaft, a flexible plate is mounted on the grab bar in a gluing mode, a driving gear is fixedly mounted on the upper end portion and the lower end portion of the rotating shaft, a driven rack is meshed with the rear side of the driving gear, the driven rack is fixedly mounted on a U-shaped bolt, the U-shaped bolt is movably inserted on a protective cabinet door, a guide inserting rod is fixedly mounted on the U-shaped bolt at the opening side of the U-shaped bolt, the guide inserting rod is movably inserted on the protective cabinet door, a guide sliding groove is formed in the left side of the placement groove, a sliding block is connected inside the guide sliding groove in a sliding mode, an operating rod is fixedly mounted on the outer side of the sliding block, a connecting rod is fixedly mounted on the upper end portion and the lower end portion of the sliding block, and the end portion of the connecting rod is fixedly mounted with a limiting clamping plate through threads.
Preferably, the connecting rod is movably sleeved with a reset spring, a T-shaped hole groove for connecting the connecting rod is formed in the protective cabinet door, and the reset spring is arranged in the T-shaped hole groove.
Preferably, lock holes are formed in the bottom surface of the guide chute and the sliding block.
Preferably, the grab rail is U-shaped, and the grab rail is clamped in the placement groove.
Preferably, the connecting rod and the driven rack are parallel to each other, and the connecting rod is arranged on the outer side of the driven rack.
Preferably, the limiting clamping plate is arranged on the outer side of the flexible plate, and the limiting clamping plate is in movable contact with the flexible plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the locking mechanism of the ring main unit, the locking assembly is arranged, and in the opening process of the protection cabinet door, the protection cabinet door can be opened only by operating the grab bar, and the grab bar can be operated, so that not only can the separation of locking parts of the protection cabinet door be realized, but also the separation of the protection cabinet door from the ring main unit body can be realized, the whole operation is carried out simultaneously, the closing time of the ring main unit body is shortened, and the closing operation of the ring main unit is facilitated; meanwhile, the grab rail can be folded inside the placement groove, rainwater can be prevented from flowing to the connection position with the lock body along the handle, the handle is easy to corrode and rust, the situation that the cabinet door is broken when the cabinet door is rotated occurs, maintenance personnel can conveniently open the cabinet for maintenance, and meanwhile, the safety of closing operation of the ring main unit is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic rear view of the protective cabinet door of the present utility model;
FIG. 3 is a schematic front view of a protective cabinet door according to the present utility model;
FIG. 4 is an enlarged schematic view of the utility model at M of FIG. 3;
fig. 5 is a schematic view of a part of a cross section of the novel limiting clamping plate.
In the figure: 1. a ring main unit body; 2. a protective cabinet door; 21. placing the groove; 22. a guide chute; 23. a lock hole; 3. a latch assembly; 30. a return spring; 31. a U-shaped bolt; 311. a driven rack; 32. a guide insert rod; 33. a rotating shaft; 34. a drive gear; 35. a grab rail; 36. a flexible board; 37. a sliding block; 38. an operation lever; 39. a limiting clamping plate; 391. a connecting rod; 4. an electrical component.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a locking mechanical system of looped netowrk cabinet, includes looped netowrk cabinet body 1 and installs in the inside electrical component 4 of looped netowrk cabinet body 1, and looped netowrk cabinet body 1 front end articulates has protection cabinet door 2, and protection cabinet door 2 is last to have offered with articulated position opposite side and has been placed recess 21, wherein, the setting of placing recess 21 can be convenient for the placing of other parts, can play certain guard action to other parts, reduces occupation space. The locking assembly 3 is fixedly arranged, and the locking assembly 3 can be used for conveniently fixedly connecting the protection cabinet door 2 with the ring main unit body 1.
As shown in fig. 2-4, the locking assembly 3 includes a rotating shaft 33 and a grab bar 35 fixedly mounted on the rotating shaft 33, the grab bar 35 has a U shape, and the grab bar 35 is clamped inside the placement groove 21. The grab bar 35 can be formed by bending a round tube, and the grab bar 35 is provided with a flexible plate 36 in a gluing manner, and the grab bar is made of flexible rubber, so that the hands of an operator can be protected, and the operation comfort of the user is improved.
Further, the rotating shaft 33 is rotatably connected to the protective cabinet door 2, and the rotating shaft 33 is vertically disposed. The distance between the rotating shaft 33 and the hinge joint of the protection cabinet door 2 and the ring main unit body 1 is 2/3 of the width of the protection cabinet door 2.
Further, the driving gears 34 are fixedly installed at both upper and lower end portions of the rotation shaft 33, and the driving gears 34 fixedly installed on the rotation shaft 33 can be rotated after the rotation driving force is provided to the rotation shaft 33. The rear side of the driving gear 34 is meshed with a driven rack 311, and the driven rack 311 is fixedly arranged on the U-shaped bolt 31. Through the meshing effect of driving gear 34 and driven rack 311, under the circumstances that driving gear 34 rotated, driven rack 311 can produce horizontal movement, and then drives U type bolt 31 motion, through the motion of U type bolt 31, can make the drawing and inserting operation of realizing U type bolt 31 on looped netowrk cabinet 1.
As shown in fig. 2, a U-shaped bolt 31 is movably inserted into the protective cabinet door 2, and a bolt hole for inserting the U-shaped bolt 31 is formed in the ring main unit body 1. The U-shaped bolt 31 is fixedly provided with a guide inserted rod 32 at the side deviating from the opening, and the guide inserted rod 32 is movably inserted on the protective cabinet door 2. Through the setting of direction inserted bar 32, can play further guiding effect to the motion of U type bolt 31, guarantee that U type bolt 31 can accurately insert the bolt hole inside on the looped netowrk cabinet body 1.
As shown in fig. 3 and 4, a guiding chute 22 is provided on the left side of the placement groove 21, and the guiding chute 22 is provided on the center side of the placement groove 21. A sliding block 37 is connected inside the guide chute 22 in a sliding way, and lock holes 23 are arranged on the bottom surface of the guide chute 22 and the sliding block 37. The setting of lockhole 23 can be as required, is connected fixed with protection cabinet door 2 and looped netowrk cabinet body 1 through the lock body, has ensured the security of the inside electrical component 4 of looped netowrk cabinet body 1.
Further, an operation lever 38 is fixedly installed outside the slide block 37, and the operation lever 38 is provided to facilitate the sliding of the drive slide block 37 in the guide chute 22. The upper end and the lower end of the sliding block 37 are fixedly provided with a connecting rod 391, the connecting rod 391 is movably sleeved with a reset spring 30, the protective cabinet door 2 is provided with a T-shaped hole groove for connecting the connecting rod 391, and the reset spring 30 is arranged in the T-shaped hole groove. The connecting rod 391 and the driven rack 311 are parallel to each other, and the connecting rod 391 is provided outside the driven rack 311. The overhanging end of the connecting rod 391 is fixedly provided with a limit clamping plate 39 through threads.
As shown in fig. 5, the front and rear sides of the limiting clamping plate 39 are respectively provided with an inclined surface, and the inclined surfaces can facilitate the operations of taking out and clamping in the grab bar 35 from the inside of the placement groove 21.
The limiting clamping plate 39 is arranged on the outer side of the flexible plate 36, and the limiting clamping plate 39 is in movable contact with the flexible plate 36. When the driving force is provided for the operating rod 38, the operating rod 38 drives the sliding block 37 to slide in the guide chute 22, the connecting rod 391 drives the limiting clamping plate 39 to extrude the reset spring 30, at the moment, the limiting clamping plate 39 can be separated from the front side of the flexible plate 36, the limiting clamping plate 39 is separated from the clamping limit of the flexible plate 36, the cabinet door can be opened by pulling the grab bar 35, the protection effect on the grab bar 35 can be achieved, the occupied space of parts is reduced, the opening of the protection cabinet door 2 can be automatically realized in the pulling process of the grab bar 35, and the installation operation is simple; and can be to the change of part from the medial surface of protection cabinet door 2, further ensured the shutting effect of looped netowrk cabinet.
This kind of locking mechanical system of looped netowrk cabinet, during operation: in the initial state, the sliding block 37 slides to one side of the guide chute 22 (i.e., the side of the guide chute 22 opposite to the placement groove 21) by the elastic action of the return spring 30, and the limit clamping plate 39 is inserted into the placement groove 21; during locking operation, the protection cabinet door 2 is closed on the ring main unit body 1, the grab bar 35 is operated to drive the rotating shaft 33 to rotate, the grab bar 35 is folded in the placing groove 21, in the rotating process of the rotating shaft 33, the driven rack 311 can horizontally move through the meshing action of the driving gear 34 and the driven rack 311, the U-shaped plug pin 31 is driven to move, and the U-shaped plug pin 31 can be inserted into the corresponding position on the ring main unit body 1 through the movement of the U-shaped plug pin 31, so that locking operation of the protection cabinet door 2 and the ring main unit body 1 is realized; meanwhile, in the process of clamping the grab bar 35 into the placement groove 21, the limiting clamping plate 39 can be made to extrude the reset spring 30 and retract into the T-shaped hole groove, and when the grab bar 35 is positioned at the rear side of the T-shaped hole groove, the position of the grab bar 35 can be limited by the reset action of the reset spring 30 and the reset of the limiting clamping plate 39; the position of the ring main unit can be limited by the lock body according to the requirement, so that irrelevant personnel can be prevented from operating the electric element 4 in the ring main unit; if no lock body is provided, the protection cabinet door 2 and the ring main unit 1 can still be connected and fixed through the reset of the reset spring 30.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a locking mechanical system of looped netowrk cabinet, includes looped netowrk cabinet body (1) and installs in inside electrical component (4) of looped netowrk cabinet body (1), its characterized in that: the novel ring main unit is characterized in that a protective cabinet door (2) is hinged to the front end portion of the ring main unit body (1), a placement groove (21) is formed in the protective cabinet door (2) on the opposite side of the hinged position, a locking assembly (3) is fixedly installed, and the locking assembly (3) can be used for conveniently fixedly connecting the protective cabinet door (2) with the ring main unit body (1).
2. The locking mechanism of a ring main unit according to claim 1, wherein: the locking assembly (3) comprises a rotating shaft (33) and a handrail rod (35) fixedly mounted with the rotating shaft (33), a flexible plate (36) is mounted on the handrail rod (35) in a gluing mode, a driving gear (34) is fixedly mounted at the upper end portion and the lower end portion of the rotating shaft (33), a driven rack (311) is meshed with the rear side of the driving gear (34), the driven rack (311) is fixedly mounted on a U-shaped bolt (31), the U-shaped bolt (31) is movably inserted on a protective cabinet door (2), a guide inserting rod (32) is fixedly mounted at the opening side of the U-shaped bolt (31), the guide inserting rod (32) is movably inserted on the protective cabinet door (2), a guide sliding groove (22) is formed in the left side of the placing groove (21), a sliding block (37) is connected inside the guide sliding groove, an operating rod (38) is fixedly mounted at the outer side of the sliding block (37), a connecting rod (391) is fixedly mounted at the upper end portion and the lower end portion of the connecting rod (391), and the suspending end portion of the connecting rod (391) is fixedly mounted with a clamping plate (39) through threads.
3. The locking mechanism of a ring main unit according to claim 2, wherein: the connecting rod (391) is movably sleeved with a reset spring (30), a T-shaped hole groove for plugging the connecting rod (391) is formed in the protective cabinet door (2), and the reset spring (30) is arranged in the T-shaped hole groove.
4. A locking mechanism for a ring main unit as claimed in claim 3, wherein: and lock holes (23) are formed in the bottom surface of the guide chute (22) and the sliding block (37).
5. The locking mechanism of a ring main unit according to claim 4, wherein: the grab rail (35) is U-shaped, and the grab rail (35) is clamped in the placement groove (21).
6. The locking mechanism of a ring main unit according to claim 5, wherein: the connecting rod (391) is parallel to the driven rack (311), and the connecting rod (391) is arranged on the outer side of the driven rack (311).
7. The locking mechanism of a ring main unit as recited in claim 6, wherein: the limiting clamping plate (39) is arranged on the outer side of the flexible plate (36), and the limiting clamping plate (39) is in movable contact with the flexible plate (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322432167.2U CN220830197U (en) | 2023-09-07 | 2023-09-07 | Locking mechanism of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322432167.2U CN220830197U (en) | 2023-09-07 | 2023-09-07 | Locking mechanism of ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830197U true CN220830197U (en) | 2024-04-23 |
Family
ID=90728050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322432167.2U Active CN220830197U (en) | 2023-09-07 | 2023-09-07 | Locking mechanism of ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830197U (en) |
-
2023
- 2023-09-07 CN CN202322432167.2U patent/CN220830197U/en active Active
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