CN210468438U

CN210468438U - Ring main unit convenient to dismantle

Info

Publication number: CN210468438U
Application number: CN201921431674.1U
Authority: CN
Inventors: 蔡接英; 周华祖; 方学锴
Original assignee: Sigma Electric Co ltd
Current assignee: Sigma Electric Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-05
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a ring main unit convenient to dismantle, which belongs to the technical field of ring main units, and comprises a main body and a mounting plate arranged in the main body, wherein a row of positioning holes are arranged on the inner walls of the two sides of the main body, the two sides of the mounting plate are telescopically provided with positioning rods, a supporting groove positioned at the port side of the positioning holes is arranged on the inner wall of the main body, a driving shaft and a driving gear fixedly sleeved on the driving shaft are arranged in the mounting plate, and the adjacent sides of the two positioning rods are respectively and correspondingly fixed with racks meshed with the; both ends side all is equipped with two expansion plates about the drive shaft symmetry sets up around the mounting panel, sets up the removal wearing groove that supplies the expansion plate to remove on the mounting panel, and the removal is worn the inslot and is connected with the spring of being connected with the expansion plate, is connected with the connecting rod between two expansion plates around with one side, and the similar side of two expansion plates of front side is fixed with the poker rod that passes the mounting panel positive flank. The utility model discloses a dismantle efficiency is higher, also comparatively laborsaving, still is convenient for install and the mounting height of adjustment mounting panel.

Description

Ring main unit convenient to dismantle

Technical Field

The utility model relates to a looped netowrk cabinet technical field, specificly relate to a looped netowrk cabinet convenient to dismantle.

Background

The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, the core part of the ring main unit adopts a load switch and a fuse, 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, and is widely used in distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like. Along with the continuous development of city construction, cable lines increase year by year, the use quantity of the ring main units is increased day by year, after the ring main units are used for a long time, electrical equipment inside the ring main units are easy to damage, and therefore need to be maintained and replaced, but the ring main units are inconvenient to disassemble due to the fact that the inner space of the ring main units is narrow and small, and therefore the ring main units convenient to disassemble are needed.

The patent with the publication number of CN 207082736U discloses a ring main unit convenient to disassemble, wherein positioning holes are formed in two sides of the inner wall of a main body of the ring main unit, a mounting plate is movably connected in the main body, accommodating cavities are formed in two sides of the mounting plate, a sliding hole located on the mounting plate is formed in the middle of the top of each accommodating cavity, the bottom of each sliding hole is communicated with the top of each accommodating cavity, and a spring located on the mounting plate is fixedly connected in each accommodating cavity; locating lever slidable mounting holds the inside in chamber on the mounting panel, promotes to dial the piece and can make the locating lever drop from the inside of locating hole, when carrying out operations such as maintenance to the looped netowrk cabinet, can dismantle the mounting panel fast to made things convenient for the electrical equipment of dismantlement installation on the mounting panel, made things convenient for inside equipment maintenance and the change to the looped netowrk cabinet. However, it has the following problems: the both sides of mounting panel all are equipped with the stirring piece that needs the operation, and during the application, operating personnel need hold in the palm the mounting panel with one hand, and remaining one hand can not operate the stirring piece of both sides simultaneously, and its operating efficiency is lower, also comparatively hard.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a looped netowrk cabinet convenient to dismantle, it dismantles efficiency higher, also comparatively laborsaving, still is convenient for install and adjusts the mounting height of mounting panel.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a ring main unit convenient to disassemble comprises a main body and a mounting plate movably connected to the inside of the main body, wherein a row of positioning holes are formed in two side walls of the inside of the main body, and positioning rods matched with the positioning holes are telescopically connected to two sides of the mounting plate; each positioning hole port side is provided with a support groove parallel to the width direction of the cabinet body, one end of each support groove extends to the front side of the cabinet body, the length of each support groove is larger than the width of the mounting plate, and the two sides of each mounting plate are slidably connected into the support grooves on the corresponding sides; the mounting plate is characterized in that a mounting hole which is completely positioned in the mounting plate and penetrates through the front side surface and the rear side surface of the mounting plate is formed in the vertical central line of the mounting plate, a driving shaft is mounted in the mounting hole, two ends of the driving shaft are respectively mounted at two ends of the mounting hole through bearings, a driving gear is fixedly sleeved in the middle of the driving shaft, the positioning rod is in a Z shape and comprises a driving rod connected with the driving gear and a positioning insertion rod horizontally aligned with the driving gear and connected with the driving rod, the two positioning rods are symmetrically arranged about the central center of the driving shaft, the two driving rods are respectively and correspondingly positioned at the upper side and the lower side of the driving gear, a rack meshed with the driving gear is fixed on one side of the driving rod, which faces the driving gear, a moving; and a rotating disc is coaxially fixed at the outer side end of the driving shaft, and a rotating handle is fixed on the rotating disc.

Furthermore, the length of the mounting plate is less than the distance between the opposite port sides of the support grooves on both sides, two expansion plates symmetrically arranged about the mounting hole are movably arranged on both the front side and the rear side of the mounting plate, a moving through groove for the expansion plates to telescopically move is formed in the mounting plate, a spring connected to the expansion plate is fixed on one side of the moving through groove facing the mounting hole, a connecting hole is communicated between the bottoms of the front moving through groove and the rear moving through groove on the same side, a connecting rod for connecting the two corresponding expansion plates is arranged in the connecting hole, the two ends of the connecting rod are respectively correspondingly connected to the bottoms of the corresponding expansion plates, a poking rod penetrating through the front side surface of the mounting plate is fixed at one end of the expansion plate connecting spring on the front side, a through hole for the poking rod to horizontally move is formed in the front side surface of the mounting plate, and the width of the connecting, when the spring is in a natural state, the poke rod is located on one side, back to the mounting hole, of the through hole, and one end, back to the spring, of the telescopic plate extends to the outer side of the mounting plate and is located in the supporting groove. When the telescopic plate extends out of the mounting plate, the telescopic plate can be placed in the supporting groove, so that the supporting effect of the supporting groove on the mounting plate is realized; when the telescopic plate is retracted into the mounting plate, the mounting plate can move up and down in the cabinet body, and the mounting plate does not need to be pulled out of the cabinet body and then pushed into the cabinet body, so that the mounting height of the mounting plate can be conveniently adjusted; and two poker rods are located the similar end of the expansion plate of both sides, can drive two poker rods simultaneously, drive two expansion plates that are located the front side to drive two expansion plates of rear side through the connecting rod, then four expansion plates of one-step operation drive removal simultaneously, operating efficiency is higher.

Furthermore, a guide rod fixed on the corresponding side of the movable penetrating groove penetrates through the inner side of the spring, and a limiting hole capable of being sleeved on the guide rod is formed in one side of the expansion plate, which is connected with the spring. In the moving process of the expansion plate, the guide rod is always positioned in the limiting hole, and the guide rod and the limiting hole are matched to play a role in guiding the movement of the expansion plate.

3. Advantageous effects

(1) The utility model discloses be equipped with the support groove that is located the locating hole port side on the internal lateral wall of cabinet, be equipped with drive shaft and fixed suit drive gear in the drive shaft in the mounting panel, the similar side of two locating levers corresponds respectively and is fixed with the rack that meshes downside on drive gear, the drive shaft rotates, can drive gear and rotate, can drive two racks of simultaneous drive dorsad or remove in opposite directions, when dismantling the mounting panel, rotate the drive shaft earlier and order about two racks remove in opposite directions, drive two locating levers remove in opposite directions, to breaking away from in locating hole and withdrawal mounting panel, then with the mounting panel from supporting the inslot take out can, thereby can be convenient maintain and change the power equipment to on this mounting panel. The mounting plate does not need to be supported by hands in the dismounting process of dismounting the mounting plate, the positioning rods on the two sides synchronously move, the operation efficiency is high, and labor is saved.

(2) The utility model discloses locate the middle part of mounting panel with the locating lever to both ends side all is equipped with two expansion plates about the drive shaft symmetry sets up around it, sets up the removal wear groove that supplies the expansion plate to remove on the mounting panel, removes to wear the inslot to be connected with the spring of being connected with the expansion plate, is connected with the connecting rod between two expansion plates around with one side, and the close side of two expansion plates of front side is fixed with the poker rod that passes the mounting panel positive flank. In using, the locating lever retracts into the mounting panel, then one hand is holding in the palm the mounting panel, two poker rods are held tightly simultaneously to another hand, make two poker rods be close to each other, two expansion plates that drive the front side move in opposite directions, the spring is compressed, and the expansion plate that drives the rear side through the connecting rod removes, to four expansion plates synchronous withdrawal to the mounting panel in, can reciprocate the mounting panel at the internal of cabinet, need not take the mounting panel out the cabinet body and push into the cabinet body again, thereby be convenient for adjust the mounting height of mounting panel, and four expansion plates of one-step operation drive simultaneously remove, and operating efficiency is higher.

To sum up, the utility model discloses a dismantle efficiency is higher, also comparatively laborsaving, still be convenient for install and the mounting height of adjustment mounting panel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic view of the view of FIG. 2 with both the positioning rod 4 and the expansion plate 14 retracted into the mounting plate 2;

FIG. 4 is a schematic view of the mounting plate 2 in section B-B of FIG. 2;

FIG. 5 is a schematic view of the mounting plate 2 in section C-C of FIG. 2;

fig. 6 is a schematic view of the mounting plate 2 in section D-D of fig. 2.

Reference numerals: 1. a cabinet body; 2. mounting a plate; 3. positioning holes; 4. positioning a rod; 41. a drive rod; 42. positioning the inserted rod; 5. a support groove; 6. mounting holes; 7. a drive shaft; 8. a bearing; 9. a drive gear; 10. a rack; 11. moving the perforation; 12. rotating the disc; 13. rotating the handle; 14. a retractable plate; 15. moving the through groove; 16. a spring; 17. connecting holes; 18. a connecting rod; 19. a poke rod; 20. a port; 21. a guide bar; 22. and a limiting hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, the ring main unit convenient to disassemble includes a main unit 1 and a mounting plate 2 movably connected to the inside of the main unit 1, wherein a row of positioning holes 3 are respectively formed on two side walls of the inside of the main unit 1, and positioning rods 4 matched with the positioning holes 3 are telescopically connected to two sides of the mounting plate 2; a support groove 5 parallel to the width direction of the cabinet body 1 is formed in the port side of each positioning hole 3, one end of each support groove 5 extends to the front side of the cabinet body 1, the length of each support groove 5 is larger than the width of the mounting plate 2, and two sides of each mounting plate 2 are slidably connected into the support grooves 5 on the corresponding sides; as shown in fig. 2 and 3, a mounting hole 6 completely located inside the mounting plate 2 and penetrating through the front and rear side surfaces of the mounting plate 2 is formed on a vertical center line of the mounting plate 2, a driving shaft 7 is installed inside the mounting hole 6, two ends of the driving shaft 7 are installed at two ends of the mounting hole 6 through bearings 8, respectively, a driving gear 9 is fixedly sleeved on the middle portion of the driving shaft 7, as shown in fig. 4, the positioning rod 4 is z-shaped and comprises a driving rod 41 connected with the driving gear 9 and a positioning insertion rod 42 horizontally aligned with the driving gear 9 and connected with the driving rod 41, the two positioning rods 4 are symmetrically arranged about the center of the driving shaft 7, the two driving rods 41 are located on the upper and lower sides of the driving gear 9, a rack 10 engaged with the driving gear 9 is fixed on one side of the driving rod 41 facing the driving gear 9, a moving through hole 11 for, the positioning hole 3 is positioned in horizontal alignment with the positioning inserted rod 42; a rotating disc 12 is coaxially fixed at the outer side end of the driving shaft 7, and a rotating handle 13 is fixed on the rotating disc 12.

In this embodiment, as shown in fig. 2, 3 and 4, the length of the mounting plate 2 is smaller than the distance between the opposite port sides of the support grooves 5 at both sides, two expansion plates 14 symmetrically arranged with respect to the mounting hole 6 are movably disposed at both the front and rear sides of the mounting plate 2, a moving through groove 15 for the expansion plates 14 to move telescopically is disposed on the mounting plate 2, a spring 16 connected to the expansion plate 14 is fixed at one side of the moving through groove 15 facing the mounting hole 6, as shown in fig. 2, 3 and 6, a connecting hole 17 is communicated between the bottoms of the front and rear two moving through grooves 15 located at the same side, a connecting rod 18 for connecting the two corresponding expansion plates 14 is disposed in the connecting hole 17, both ends of the connecting rod 18 are respectively connected to the bottoms of the corresponding expansion plates 14, and a poking rod 19 penetrating through the front side surface of the mounting plate 2 is fixed at one end of the expansion plate 14 located at the front side, which is connected to, set up on the mounting panel 2 positive flank and supply poking rod 19 horizontal migration's opening 20, the width of connecting hole 17 is enough to supply connecting rod 18 along with the 14 horizontal migration of expansion plate, and when spring 16 was in the natural state, poking rod 19 was located one side of opening 20 mounting hole 6 dorsad, expansion plate 14 one end of spring 16 dorsad extended the mounting panel 2 outside and was located and supports the inslot 5. When the telescopic plate 14 extends out of the mounting plate 2, the telescopic plate can be placed in the supporting groove 5, so that the supporting effect of the supporting groove 5 on the mounting plate 2 is realized; when the telescopic plate 14 is retracted into the mounting plate 2, the mounting plate 2 can move up and down in the cabinet body 1, and the mounting plate 2 does not need to be pulled out of the cabinet body 1 and then pushed into the cabinet body 1, so that the mounting height of the mounting plate 2 can be conveniently adjusted; and two poke rods 19 are located at the near ends of the telescopic plates 14 at the two sides, and can drive the two poke rods 19 simultaneously to drive the two telescopic plates 14 at the front side and drive the two telescopic plates 14 at the rear side through the connecting rod 18, so that the four telescopic plates 14 are driven to move simultaneously in one-step operation, and the operation efficiency is high.

In this embodiment, as shown in fig. 1, 2 and 3, a guide rod 21 fixed on the corresponding side of the moving slot 15 is inserted into the spring 16, and a limit hole 22 capable of being sleeved on the guide rod 21 is opened on one side of the expansion plate 14 connected to the spring 16. In the moving process of the expansion plate 14, the guide rod 21 is always positioned in the limiting hole 22, and the guide rod 21 and the limiting hole 22 are matched to guide the movement of the expansion plate 14.

The specific application process comprises the following steps:

when the mounting plate 2 is mounted, the spring 16 is in a natural state, the expansion plate 14 extends out of the mounting plate 2, the expansion plate 14 is placed in the support groove 5 on the corresponding side, the mounting plate 2 is pushed into the cabinet body 1, then the rotating handle 13 is rotated to drive the driving shaft 7 to rotate, the driving shaft 7 drives the driving gear 9 to rotate, and the positioning rod 4 can be driven to extend out of the mounting plate 2 and be inserted into the positioning hole 3 under the action of the rack 10, so that the mounting plate 2 is stably mounted in the cabinet body 1;

when the installation height of the installation plate 2 is adjusted, the rotating handle 13 is rotated reversely to drive the positioning rod 4 to retract into the installation plate 2, then one hand holds the mounting plate 2, the other hand simultaneously holds the two poke rods 19, so that the two poke rods 19 approach each other to drive the two front telescopic plates 14 to move towards each other, the spring 16 is compressed, and drives the telescopic plates 14 at the rear side to move through the connecting rods 18 until the four telescopic plates 14 synchronously retract into the mounting plate 2, the mounting plate 2 can move up and down in the cabinet body 1, when the height of the corresponding supporting groove 5 is selected, the poke rod 19 is loosened, under the action of the return of the spring 16, the telescopic plate 14 can automatically extend out of the mounting plate 2 and be inserted into the corresponding support slot 5, then, the positioning rod 4 is driven to be inserted into the corresponding positioning hole 3 by rotating the handle 13, and the mounting plate 2 does not need to be pulled out of the cabinet body 1 and then pushed into the cabinet body 1;

when dismantling mounting panel 2, first counter-rotation rotates handle 13, and drive locating lever 4 retracts into mounting panel 2 in, at this moment, supports groove 5 and still supports mounting panel 2, then with mounting panel 2 take out from supporting groove 5 can, need not use hand support mounting panel 2, and the locating lever 4 synchronous motion of both sides, operating efficiency is higher, also comparatively laborsaving.

From the above, the installation, disassembly and height adjustment of the mounting plate of the present invention have high operation efficiency and are labor-saving.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A ring main unit convenient to disassemble comprises a main body (1) and a mounting plate (2) movably connected inside the main body (1), wherein a row of positioning holes (3) are formed in two side walls inside the main body (1), and positioning rods (4) matched with the positioning holes (3) are telescopically connected to two sides of the mounting plate (2); the wardrobe is characterized in that a support groove (5) parallel to the width direction of the wardrobe body (1) is formed in the port side of each positioning hole (3), one end of each support groove (5) extends to the front side penetrating through the wardrobe body (1), the length of each support groove (5) is larger than the width of each mounting plate (2), and two sides of each mounting plate (2) are connected into the support grooves (5) on the corresponding sides in a sliding mode; be equipped with on the vertical central line of mounting panel (2) and be located mounting panel (2) inside completely and run through mounting hole (6) of side around it, install drive shaft (7) in mounting hole (6), the both ends of drive shaft (7) are passed through bearing (8) respectively and are installed the both ends department at mounting hole (6), the fixed cover in middle part of drive shaft (7) is equipped with drive gear (9), locating lever (4) are "z" shape, and it includes actuating lever (41) be connected with drive gear (9) and aligns and the location inserted bar (42) be connected with actuating lever (41) with drive gear (9) level, two locating lever (4) are about the central symmetry setting of drive shaft (7), and two actuating lever (41) correspond respectively and are located the upper and lower side of drive gear (9), actuating lever (41) are fixed with rack (10) with drive gear (9) meshing towards one side of drive gear (9), a movable through hole (11) for the positioning rod (4) to move in a telescopic manner is formed in the mounting plate (2), and the positioning hole (3) is positioned at a position horizontally aligned with the positioning insertion rod (42); the outer side end of the driving shaft (7) is coaxially fixed with a rotating disc (12), and a rotating handle (13) is fixed on the rotating disc (12).

2. The ring main unit convenient to disassemble as claimed in claim 1, wherein the length of the mounting plate (2) is less than the distance between the opposite port sides of the supporting grooves (5) at both sides, two expansion plates (14) symmetrically arranged with respect to the mounting hole (6) are movably arranged at both the front and rear sides of the mounting plate (2), a moving through groove (15) for telescopic movement of the expansion plate (14) is arranged on the mounting plate (2), a spring (16) connected to the expansion plate (14) is fixed at one side of the moving through groove (15) facing the mounting hole (6), a connecting hole (17) is communicated between the bottoms of the front and rear moving through grooves (15) at the same side, a connecting rod (18) for connecting the two corresponding expansion plates (14) is arranged in the connecting hole (17), both ends of the connecting rod (18) are respectively and correspondingly connected to the bottoms of the corresponding expansion plates (14), the one end that is located expansion plate (14) connecting spring (16) of front side is fixed with poker rod (19) that passes mounting panel (2) positive flank, set up on mounting panel (2) positive flank and supply poker rod (19) horizontal migration's opening (20), the width of connecting hole (17) is enough to supply connecting rod (18) along with expansion plate (14) horizontal migration, when spring (16) is in natural state, poker rod (19) are located one side of opening (20) mounting hole (6) dorsad, the one end of expansion plate (14) dorsad spring (16) extends mounting panel (2) outside and is located and supports in groove (5).

3. The ring main unit convenient to disassemble according to claim 2, wherein a guide rod (21) fixed on the corresponding side of the moving through slot (15) is arranged inside the spring (16) in a penetrating way, and a limit hole (22) capable of being sleeved on the guide rod (21) is arranged on one side of the expansion plate (14) connected with the spring (16).