CN211701038U

CN211701038U - Locking mechanism of ring main unit

Info

Publication number: CN211701038U
Application number: CN202020654559.7U
Authority: CN
Inventors: 王长赞; 何红梅; 洪文刚; 贾婷玉; 温从众
Original assignee: Anhui Langyi Electric Power Technology Co ltd
Current assignee: Anhui Langyi Electric Power Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-10-16
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a locking mechanism of a ring main unit, which relates to the field of electrical equipment and comprises a lock shell, wherein one side of the lock shell, which is far away from each other, is respectively provided with a first groove and a second groove, the inner wall of one side of the first groove is respectively provided with a sliding hole, a connecting hole and a rotating hole, the connecting hole is positioned between the sliding hole and the rotating hole, a convex slide block is arranged in the sliding hole in a sliding way, one side of the convex slide block is fixedly provided with a sliding plate, the top side of the convex slide block is fixedly provided with a fixed pin, the rotating hole is internally and rotatably provided with a rotating rod, both ends of the rotating rod extend out of the rotating hole, one end of the rotating rod is provided with a concave groove, and a handle is rotatably arranged on the concave groove. And move the limiting plate to the pilot hole, can realize the switch lock function.

Description

Locking mechanism of ring main unit

Technical Field

The utility model relates to the technical field of electrical equipment, especially, relate to a blocked mechanical system of looped netowrk cabinet.

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.

The mechanical lock is used for the ring main unit, has the characteristics of simple and convenient operation, reliable five-prevention function and the like, however, in actual operation, due to various objective reasons, such as lock clamping, rusting and failure of parts and the like, the handle cannot operate the lock rod, the cabinet door is difficult to open and overhaul, serious potential safety hazards exist, the mechanical lock does not need to use keys and other auxiliary operations in the operation process, and in order to ensure safety, the locking mechanism of the ring main unit is needed to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blocked mechanical system of looped netowrk cabinet to solve the lock card and die, the part rusts inefficacy etc. causes the unable control locking lever of handle, so that it is difficult to open the cabinet door and overhaul, has the problem of serious potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blocked mechanical system of looped netowrk cabinet, includes the lock shell, first recess and second recess have been seted up respectively to the one side of keeping away from each other of lock shell, has seted up slip hole, connecting hole and rotation hole on the one side inner wall of first recess respectively, and the connecting hole lies in the slip hole and rotates between the hole, and the slip downthehole slidable mounting of slip has protruding type slider, and one side fixed mounting of protruding type slider has the sliding plate, and the top side fixed mounting of protruding type slider has the fixed pin, rotate downthehole rotation and install the rotary rod, the both ends of rotary rod all extend to outside rotating the hole, and concave groove has been seted up to the one end of rotary rod, rotates on the concave groove and installs the.

Preferably, one side of the handle is provided with a spring, two ends of the spring are respectively and fixedly installed on the bottom side of the handle and the inner wall of one side of the concave groove, one end of the handle can be bounced through the elasticity of the spring, and the handle is convenient to rotate.

Preferably, the other end fixed mounting of rotary rod has the connecting plate, and one side fixed mounting of connecting plate has connecting baffle, and waist type hole has been seted up to one side of connecting plate, and waist type downthehole slidable mounting has the slide bar, and the one end of slide bar extends to outside the waist type hole and fixed mounting has the limiting plate, and the limiting plate of being convenient for slides in the guiding hole to carry on spacingly through bow-shaped shell fragment.

Preferably, the inner wall of one side of the second groove is provided with a guide hole, and one side of the limiting plate penetrates through the guide hole, so that the limiting plate can horizontally move in the guide hole conveniently.

Preferably, the bottom side of the sliding plate is provided with a return spring, two ends of the return spring are respectively and fixedly installed on the bottom side of the sliding plate and the bottom side inner wall of the first groove, and the fixed plate is convenient to open or fix under the elastic force action of the return spring.

Preferably, a fixing block is fixedly mounted on the inner wall of one side, away from the guide hole, of the second groove, an arched elastic sheet is fixedly mounted on one side, close to the connecting baffle, of the fixing block, a limiting table is arranged on the arched elastic sheet, one side of the connecting baffle is in contact with the limiting table, and the connecting baffle is fixed and limited through the elastic action of the arched elastic sheet.

Preferably, one side of the fixing plate is provided with an inclined notch, and the inclined notch is matched with the fixing pin, so that the fixing pin can be conveniently inserted into the fixing plate, and the fixing plate can be fixed and limited.

The utility model has the advantages that:

in the utility model, the sliding plate is pulled downwards, and drives the convex slide block to slide in the sliding hole, so that the sliding plate extrudes the reset spring, and further the fixed pin is separated from the inclined notch, one end of the handle is bounced under the elastic action of the spring, and the handle which is closed is convenient to open; the mechanical locking can meet the requirements of forward locking and reverse locking, and has the advantages of visual locking, difficult damage, small overhauling workload, convenient operation and the like;

the utility model discloses in, through the twist grip, the handle drives the connecting plate and rotates, make the slide bar slide in waist type downthehole, and then make the slide bar drive the limiting plate and slide in the guiding hole, and remove the limiting plate to the guiding hole, can realize the switch lock function, the connecting plate drives connection baffle simultaneously and rotates, make connection baffle extrude bow-shaped shell fragment and take place deformation, and play limiting displacement to connection baffle under the elastic action of bow-shaped shell fragment, mechanical shutting can realize forward and reverse shutting requirement, it is directly perceived to have the shutting, it is not fragile, advantages such as convenient operation.

Drawings

Fig. 1 is a schematic perspective view of a locking mechanism of a ring main unit according to the present invention;

fig. 2 is a front view of a locking mechanism of the ring main unit according to the present invention;

fig. 3 is a schematic structural view of a locking mechanism of a ring main unit according to the present invention;

fig. 4 is a schematic structural diagram of a portion a in the locking mechanism diagram 2 of the ring main unit according to the present invention.

Fig. 5 is a schematic structural diagram of a portion B in the locking mechanism diagram 3 of the ring main unit according to the present invention.

Fig. 6 is the utility model provides a structural connection schematic diagram of the protruding type slider of shutting mechanism picture and sliding plate of looped netowrk cabinet.

In the figure: 1. a lock case; 2. a first groove; 3. a second groove; 4. a slide hole; 5. connecting holes; 6. rotating the hole; 7. a convex slider; 8. a sliding plate; 9. a return spring; 10. a fixing pin; 11. rotating the rod; 12. a concave groove; 13. a handle; 14. a fixing plate; 15. a beveled slot opening; 16. a spring; 17. a connecting plate; 18. a kidney-shaped hole; 19. a slide bar; 20. a limiting plate; 21. a guide hole; 22. connecting a baffle plate; 23. a fixed block; 24. an arched shrapnel.

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. 1-6, a locking mechanism of ring main unit, including lock shell 1, first recess 2 and second recess 3 have been seted up respectively to the one side of keeping away from each other of lock shell 1, have seted up slip hole 4, connecting hole 5 and rotation hole 6 on the one side inner wall of first recess 2 respectively, connecting hole 5 is located slip hole 4 and rotates between the hole 6, and slidable mounting has protruding type slider 7 in the slip hole 4, and one side fixed mounting of protruding type slider 7 has a sliding plate 8, and the top side fixed mounting of protruding type slider 7 has a fixed pin 10, rotate the rotation of 6 rotations in the hole and install rotary rod 11, and the both ends of rotary rod 11 all extend to outside rotating hole 6, and concave groove 12 has been seted up to the one end of rotary rod 11, and the rotation is installed handle 13 on concave groove 12, and one side fixed mounting of handle 13 has fixed plate.

The utility model discloses in, one side of handle 13 is equipped with spring 16, and spring 16's both ends respectively fixed mounting on handle 13's bottom side and one side inner wall of concave groove 12, can bounce handle 13's one end, the twist grip 13 of being convenient for through spring 16's elasticity.

The utility model discloses in, the other end fixed mounting of rotary rod 11 has connecting plate 17, and one side fixed mounting of connecting plate 17 has connecting baffle 22, and waist type hole 18 has been seted up to one side of connecting plate 17, and slidable mounting has slide bar 19 in the waist type hole 18, and the one end of slide bar 19 extends to waist type hole 18 outer and fixed mounting has limiting plate 20, and limiting plate 20 of being convenient for slides in guiding hole 21 to carry on spacingly through bow-shaped shell fragment 24.

The utility model discloses in, set up on one side inner wall of second recess 3 with guiding hole 21, one side of limiting plate 20 runs through guiding hole 21, the limiting plate 20 of being convenient for horizontal migration in guiding hole 21.

The utility model discloses in, the bottom side of sliding plate 8 is equipped with reset spring 9, and reset spring 9's both ends difference fixed mounting is convenient for open or fixed plate 14 through reset spring 9's spring action on the bottom side of sliding plate 8 and the bottom side inner wall of first recess 2.

The utility model discloses in, fixed mounting has fixed block 23 on the one side inner wall that guiding hole 21 was kept away from to second recess 3, and one side fixed mounting that fixed block 23 is close to linking stop 22 has bow-shaped shell fragment 24, is equipped with spacing platform on the bow-shaped shell fragment 24, and one side of linking stop 22 contacts with spacing platform, and the elastic action through bow-shaped shell fragment 24 is fixed spacing with linking stop 22.

The utility model discloses in, one side of fixed plate 14 is seted up with oblique notch 15, and oblique notch 15 and fixed pin 10 looks adaptation are convenient for insert fixed pin 10 in fixed plate 14, can be fixed spacing with fixed plate 14.

This practical theory of operation: pulling the sliding plate 8 downwards, the sliding plate 8 drives the convex sliding block 7 to slide in the sliding hole 4, the convex sliding block 7 drives the fixing pin 10 to move, the sliding plate 8 extrudes the reset spring 9, the reset spring 9 is deformed, the fixing pin 10 is further separated from the inclined notch 15, one end of the handle 13 is bounced under the elastic force of the spring 16, then the handle 13 is rotated, the handle 13 drives the rotating rod 11 to rotate, the rotating rod 11 drives the connecting plate 17 to rotate, the sliding rod 19 slides in the waist-shaped hole 18, the sliding rod 19 drives the limiting plate 20 to slide in the guide hole 21, the limiting plate 20 is moved into the guide hole 21, an unlocking function is formed, meanwhile, the connecting plate 17 drives the connecting baffle plate 22 to rotate, the connecting baffle plate 22 extrudes and deforms the arched elastic sheet 24 and rotates to the bottom side of the limiting table on the arched elastic sheet 24, the limiting table has a limiting function on the connecting baffle plate 22, and the opposite function is a locking function.

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

1. The utility model provides a blocked mechanical system of looped netowrk cabinet, includes lock shell (1), its characterized in that: the lock comprises a lock shell (1), wherein one side of the lock shell, which is far away from each other, is respectively provided with a first groove (2) and a second groove (3), the inner wall of one side of the first groove (2) is respectively provided with a sliding hole (4), a connecting hole (5) and a rotating hole (6), the connecting hole (5) is positioned between the sliding hole (4) and the rotating hole (6), the sliding hole (4) is internally provided with a convex slider (7), one side of the convex slider (7) is fixedly provided with a sliding plate (8), the top side of the convex slider (7) is fixedly provided with a fixed pin (10), the rotating hole (6) is rotatably provided with a rotating rod (11), two ends of the rotating rod (11) both extend out of the rotating hole (6), one end of the rotating rod (11) is provided with a concave groove (12), a handle (13) is rotatably arranged on the concave groove (12), one, the fixing plate (14) is matched with the connecting hole (5).

2. The locking mechanism of the ring main unit as claimed in claim 1, wherein: and a spring (16) is arranged on one side of the handle (13), and two ends of the spring (16) are respectively and fixedly installed on the bottom side of the handle (13) and the inner wall of one side of the concave groove (12).

3. The locking mechanism of the ring main unit as claimed in claim 1, wherein: the other end fixed mounting of rotary rod (11) has connecting plate (17), and one side fixed mounting of connecting plate (17) has connecting baffle (22), and waist type hole (18) have been seted up to one side of connecting plate (17), and slidable mounting has slide bar (19) in waist type hole (18), and the one end of slide bar (19) extends to outside waist type hole (18) and fixed mounting has limiting plate (20).

4. The locking mechanism of the ring main unit as claimed in claim 1, wherein: and one side of the limiting plate (20) penetrates through the guide hole (21).

5. The locking mechanism of the ring main unit as claimed in claim 1, wherein: and a return spring (9) is arranged on the bottom side of the sliding plate (8), and two ends of the return spring (9) are fixedly arranged on the bottom side of the sliding plate (8) and the inner wall of the bottom side of the first groove (2) respectively.

6. The locking mechanism of the ring main unit as claimed in claim 1, wherein: a fixing block (23) is fixedly mounted on the inner wall of one side, away from the guide hole (21), of the second groove (3), an arched elastic sheet (24) is fixedly mounted on one side, close to the connecting baffle plate (22), of the fixing block (23), a limiting table is arranged on the arched elastic sheet (24), and one side of the connecting baffle plate (22) is in contact with the limiting table.

7. The locking mechanism of the ring main unit as claimed in claim 1, wherein: one side of the fixing plate (14) is provided with an inclined notch (15), and the inclined notch (15) is matched with the fixing pin (10).