CN218918685U

CN218918685U - Full-sealed isolation operating mechanism

Info

Publication number: CN218918685U
Application number: CN202223240648.5U
Authority: CN
Inventors: 吴小林; 黄华
Original assignee: Zhejiang Xingbang Electric Co ltd
Current assignee: Zhejiang Xingbang Electric Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-25
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a full-sealed isolation operating mechanism, which comprises a frame body and an operating assembly, wherein the frame body comprises a front plate and a rear plate, and the operating assembly comprises a main shaft, an isolation operating shaft, a grounding operating shaft and an indicating shaft; the sealing box comprises a mounting plate and a shielding cover arranged on the mounting plate, a sealing gasket is clamped between the shielding cover and the mounting plate, and a plurality of first mounting holes are formed in the mounting plate; the frame body and the operating assembly are arranged in the sealing box, the rear plate on the frame body is arranged on the inner side of the mounting plate, a first through hole for the main shaft to extend out is formed in the mounting plate, a first sealing ring is arranged on the main shaft, a second through hole, a third through hole and a fourth through hole are formed in the front of the isolation cover, and a second sealing ring, a third sealing ring and a fourth sealing ring are respectively arranged on the isolation operating shaft, the grounding operating shaft and the indicating shaft. The utility model has waterproof effect and can avoid the condition that the isolation operating mechanism fails due to water inlet of the isolation operating mechanism.

Description

Full-sealed isolation operating mechanism

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a full-sealing isolation operating mechanism on a switch cabinet.

Background

Because the switch cabinet is widely applied in a power system, people mainly aim at the switch cabinet and have higher and higher requirements for personal safety guarantee, and the prevention of mistaken entering into a live interval is particularly important. In addition, most of the insulating ring network switch cabinets for protecting the environment at present adopt environment-friendly gas, which is particularly important for the isolation operation of the switch. Isolation operating mechanisms in existing switch cabinets are usually exposed to the outside, and if water accumulation occurs in indoor basements or outdoor low-lying areas, the isolation operating mechanisms can fail, so that serious potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a full-sealed isolation operating mechanism which has a waterproof effect and can avoid the condition that the isolation operating mechanism fails due to water inlet of the isolation operating mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the full-sealed isolation operating mechanism comprises a frame body and an operating assembly arranged on the frame body, wherein the frame body comprises a front plate and a rear plate, the front plate and the rear plate are connected together through a connecting column, and the operating assembly comprises a main shaft, an isolation operating shaft, a grounding operating shaft and an indicating shaft, wherein the isolation operating shaft, the grounding operating shaft and the indicating shaft are in linkage with the main shaft; the sealing box comprises a mounting plate and a hollow isolation cover with a single-side opening, wherein the opening end of the isolation cover is mounted on the mounting plate, a sealing gasket is clamped between the opening end of the isolation cover and the mounting plate, and a plurality of first mounting holes for screws to pass through are formed in the mounting plate; the frame body and the operation assembly are arranged in the sealing box, the rear plate on the frame body is arranged on the inner side of the mounting plate, a first through hole for the main shaft to extend out is formed in the mounting plate, a first sealing ring used for forming sealing fit with the inner wall of the first through hole is arranged on the main shaft, a second through hole, a third through hole and a fourth through hole used for respectively providing for the isolation operation shaft, the grounding operation shaft and the indication shaft to extend out are formed in the front portion of the isolation cover, and a second sealing ring, a third sealing ring and a fourth sealing ring used for forming sealing fit with the inner wall of the second through hole, the third through hole and the fourth through hole are respectively arranged on the isolation operation shaft, the grounding operation shaft and the indication shaft.

Through adopting above-mentioned technical scheme, utilize the seal box to cover support body and operating unit, the seal box is formed by mounting panel and isolation cover detachable connection, set up sealed pad between mounting panel and isolation cover, set up first sealing washer between the main shaft of operating unit and the first through-hole on the mounting panel simultaneously, the isolated operation axle of operating unit and the second through-hole on the isolation cover, the ground connection operating axle of operating unit and the third through-hole on the isolation cover, set up the second sealing washer between the pilot shaft of operating unit and the fourth through-hole on the isolation cover respectively, third sealing washer and fourth sealing washer, thereby play confined effect to support body and operating unit, play dampproofing waterproof effect, can effectively avoid isolating operating unit to advance water and lead to isolating the condition emergence of operating unit inefficacy.

The utility model is further arranged that the rear plate is connected with the mounting plate through a plurality of connecting shafts, the connecting shafts comprise a large shaft section, a first small shaft section and a second small shaft section, the first small shaft section and the second small shaft section are arranged at two ends of the large shaft section, a first round hole for the first small shaft section to penetrate through and form interference fit with the first small shaft section is formed in the rear plate, and a second round hole for the second small shaft section to penetrate through and form interference fit with the second small shaft section is formed in the mounting plate.

Through adopting above-mentioned technical scheme, connection structure is simple, and the installation is very convenient.

The utility model is further arranged that the opening end of the isolation cover is provided with a support flange extending towards the periphery.

Through adopting above-mentioned technical scheme, can increase the area of contact of cage open end and mounting panel, promote the stability of structure behind the two connection, avoid the local too big emergence deformation of stress of cage.

In the present utility model, the periphery of the shield is provided with a plurality of concave portions having a semicircular cross section extending in the depth direction.

By adopting the technical scheme, the shielding cover is better in attractive appearance, and the overall strength of the shielding cover can be remarkably improved, so that the deformation of the shielding cover is prevented.

The utility model is further characterized in that a second mounting hole is formed in the support flange at a position corresponding to the orthographic projection of the concave part on the support flange, and a third mounting hole corresponding to the second mounting hole is formed in the mounting plate.

By adopting the technical scheme, the space can be effectively utilized, and the whole volume of the sealing box is reduced.

The utility model further provides that the shield and the mounting plate are both made of stainless steel.

Through adopting above-mentioned technical scheme, can further promote the bulk strength of seal box, promote its life.

The utility model is further arranged that the isolating cover is provided with a waterproof joint.

Through adopting above-mentioned technical scheme, can realize the electricity of inside electrical apparatus and outside cable through water joint and be connected, also possess good waterproof performance simultaneously.

Drawings

FIG. 1 is a first view angle structure diagram of the whole of the present utility model;

FIG. 2 is a schematic diagram of the cooperation structure of the isolating operation shaft, the grounding operation shaft, the indication shaft and the isolating cover;

FIG. 3 is a schematic view of the structure of FIG. 2 with the cage removed;

FIG. 4 is a schematic view of a second view angle structure of the whole utility model;

fig. 5 is a schematic view of the structure of fig. 4 with the mounting plate removed.

In the figure: 1. a frame body; 2. an operating assembly; 3. a front plate; 4. a rear plate; 5. a connecting column; 6. a main shaft; 7. isolating the operating shaft; 8. a ground operation shaft; 9. an indication shaft; 10. a seal box; 11. a mounting plate; 12. an isolation cover; 13. a sealing gasket; 14. a first mounting hole; 15. a first through hole; 16. a first seal ring; 17. a second through hole; 18. a third through hole; 19. a fourth through hole; 20. a second seal ring; 21. a third seal ring; 22. a fourth seal ring; 23. a connecting shaft; 24. a large shaft section; 25. a first minor axis segment; 26. a second minor axis segment; 27. a first round hole; 28. a second round hole; 29. a support flange; 30. an inner concave portion; 31. a second mounting hole; 32. a third mounting hole; 33. waterproof joint.

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: the fully sealed isolation operating mechanism as shown in fig. 1 to 5 comprises a frame body 1 and an operating component 2 arranged on the frame body 1, wherein the frame body 1 comprises a front plate 3 and a rear plate 4, the front plate 3 and the rear plate 4 are connected together through a connecting column 5, the operating component 2 comprises a main shaft 6, and an isolation operating shaft 7, a grounding operating shaft 8 and an indicating shaft 9 (which are connected through connecting rods or gear pairs) which are in linkage with the main shaft 6, and the operating component 2 of the isolation mechanism is a mature technology in the market and comprises the main shaft 6, the isolation operating shaft 7, the grounding operating shaft 8 and the indicating shaft 9, so that the specific structure of the operating component is not described in detail herein; the totally-enclosed isolation operating mechanism further comprises a sealing box 10, wherein the sealing box 10 comprises a mounting plate 11 and a hollow isolation cover 12 with a single side opening, the opening end of the isolation cover 12 is mounted on the mounting plate 11 and is connected with the mounting plate 11 through bolts, a sealing gasket 13 is clamped between the opening end of the isolation cover 12 and the mounting plate 11, a plurality of first mounting holes 14 for a screw to pass through are formed in the mounting plate 11, and the mounting plate 11 is fixed on a supporting surface of a specific mechanism through screwing the screw into the first mounting holes 14; the frame body 1 and the operation assembly 2 are arranged in the seal box 10, the rear plate 4 on the frame body 1 is arranged on the inner side of the mounting plate 11, a first through hole 15 used for the extension of the main shaft 6 is arranged on the mounting plate 11, the main shaft 6 and the upper part are provided with a first sealing ring 16 used for forming sealing fit with the inner wall of the first through hole 15, namely the first sealing ring 16 is sleeved on the periphery of the main shaft 6, the front part of the isolation cover 12 is provided with a second through hole 17, a third through hole 18 and a fourth through hole 19 respectively used for the extension of the isolation operation shaft 7, the grounding operation shaft 8 and the indication shaft 9, and the second sealing ring 20, the third sealing ring 21 and the fourth sealing ring 22 used for forming sealing fit with the inner walls of the second through hole 17, the third through hole 18 and the fourth through hole 19 are respectively arranged on the isolation operation shaft 7, the grounding operation shaft 8 and the indication shaft 9, and the second sealing ring 20, the third sealing ring 21 and the fourth sealing ring 22 are respectively sleeved on the periphery of the isolation operation shaft 7, the grounding operation shaft 8 and the indication shaft 9. Utilize seal box 10 to cover support body 1 and operating unit 2, the connecting gap of seal box 10 and the cooperation clearance of operating unit 2 and seal box 10 all adopt waterproof construction for this isolation operating mechanism possesses dampproofing waterproof function, can effectively avoid isolating operating mechanism to advance the condition emergence that leads to isolation operating mechanism to become invalid.

As shown in fig. 3 to 5, the rear plate 4 is connected with the mounting plate 11 through a plurality of connecting shafts 23, the connecting shafts 23 comprise a large shaft section 24, a first small shaft section 25 and a second small shaft section 26 which are arranged at two ends of the large shaft section 24, a limit step is formed between the first small shaft section 25 and the large shaft section 24 and between the second small shaft section 26 and the large shaft section 24 respectively, a first round hole 27 for the first small shaft section 25 to pass through and form interference fit with the first small shaft section 25 is formed in the rear plate 4, a second round hole 28 for the second small shaft section 26 to pass through and form interference fit with the second small shaft section 26 is formed in the mounting plate 11, and a fifth sealing ring for forming sealing fit with the inner wall of the second round hole 28 can be mounted on the second small shaft section 26. The design connection structure is simple, the installation is very convenient, and the sealing performance is good.

As shown in fig. 1, the open end of the cage 12 is provided with a peripherally extending support flange 29. The design can increase the contact area between the opening end of the isolation cover 12 and the mounting plate 11, promote the stability of the structure after the opening end and the mounting plate are connected, and avoid the deformation of the isolation cover 12 caused by overlarge local stress.

As shown in fig. 1, the circumference of the isolation cover 12 is provided with a plurality of inner recesses 30 having a semicircular cross section extending in the depth direction (the same direction as the extending direction of the main shaft 6), and the inner recesses 30 are provided at the corners and circumference of the isolation cover 12. The design is not only attractive, but also can significantly improve the overall strength of the isolation cover 12 and prevent deformation thereof.

As shown in fig. 1, a second mounting hole 31 is formed in the support flange 29 corresponding to the orthographic projection of the concave portion 30 on the support flange 29, and a third mounting hole 32 corresponding to the second mounting hole 31 is formed in the mounting plate 11. This design can effectively utilize space and reduce the overall volume of the seal box 10.

Wherein, the isolation cover 12 and the mounting plate 11 are made of stainless steel materials. The design can further improve the overall strength of the seal box 10 and improve the service life thereof.

As shown in fig. 1, the isolation cover 12 is provided with a waterproof joint 33, and the waterproof joint 33 is an aviation joint. The waterproof connector 33 can realize the electric connection between the internal electric appliance and the external cable, and has good waterproof performance.

Claims

1. The full-sealed isolation operating mechanism comprises a frame body (1) and an operating assembly (2) arranged on the frame body (1), wherein the frame body (1) comprises a front plate (3) and a rear plate (4), the front plate (3) and the rear plate (4) are connected together through a connecting column (5), and the operating assembly (2) comprises a main shaft (6), an isolation operating shaft (7), a grounding operating shaft (8) and an indicating shaft (9), wherein the isolation operating shaft is in linkage with the main shaft (6); the method is characterized in that: the sealing box (10) comprises a mounting plate (11) and a hollow isolation cover (12) with a single-side opening, the opening end of the isolation cover (12) is mounted on the mounting plate (11), a sealing gasket (13) is clamped between the opening end of the isolation cover (12) and the mounting plate (11), and a plurality of first mounting holes (14) for screws to pass through are formed in the mounting plate (11); the utility model discloses a sealed operation shaft, including support body (1) and operating unit (2), support body (1) and operating unit (2) set up in seal box (10), back plate (4) on support body (1) are installed in mounting panel (11) inboard, be equipped with on mounting panel (11) and be used for supplying main shaft (6) to stretch out first through-hole (15), main shaft (6) with install on it be used for constituting sealing fit's first sealing washer (16) with first through-hole (15) inner wall, cage (12) front portion is equipped with second through-hole (17), third through-hole (18) and fourth through-hole (19) that are used for supplying isolation operation shaft (7), ground operation shaft (8), instruction shaft (9) to stretch out respectively, install on isolation operation shaft (7), ground operation shaft (8) and the instruction shaft (9) respectively be used for with second through-hole (17), third through-hole (18) and fourth through-hole (19) inner wall constitution sealing fit's second sealing washer (21) and fourth sealing washer (22).

2. The fully sealed isolation operating mechanism of claim 1, wherein: the rear plate (4) is connected with the mounting plate (11) through a plurality of connecting shafts (23), the connecting shafts (23) comprise large shaft sections (24) and first small shaft sections (25) and second small shaft sections (26) which are arranged at two ends of the large shaft sections (24), first round holes (27) which are used for the first small shaft sections (25) to penetrate through and form interference fit with the first small shaft sections (25) are formed in the rear plate (4), and second round holes (28) which are used for the second small shaft sections (26) to penetrate through and form interference fit with the second small shaft sections (26) are formed in the mounting plate (11).

3. The fully sealed isolation operating mechanism of claim 1, wherein: the open end of the shield (12) is provided with a support flange (29) extending to the periphery.

4. A fully sealed isolation operating mechanism according to claim 3, wherein: a plurality of concave parts (30) with semicircular cross sections are arranged on the periphery side of the isolation cover (12) in an extending mode along the depth direction.

5. The fully sealed isolation operating mechanism of claim 4, wherein: the support flange (29) is provided with a second mounting hole (31) corresponding to the orthographic projection position of the concave part (30) on the support flange (29), and the mounting plate (11) is provided with a third mounting hole (32) corresponding to the second mounting hole (31).

6. The fully sealed isolation operating mechanism of claim 1, wherein: the isolation cover (12) and the mounting plate (11) are made of stainless steel materials.

7. The fully sealed isolation operating mechanism of claim 1, wherein: the isolation cover (12) is provided with a waterproof joint (33).