CN213717457U - Novel centrally installed switchgear pressure relief cover - Google Patents
Novel centrally installed switchgear pressure relief cover Download PDFInfo
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- CN213717457U CN213717457U CN202022481421.4U CN202022481421U CN213717457U CN 213717457 U CN213717457 U CN 213717457U CN 202022481421 U CN202022481421 U CN 202022481421U CN 213717457 U CN213717457 U CN 213717457U
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Abstract
The utility model discloses a novel put cabinet pressure release cover in, including the cover body, latched device and pressure release apron, be equipped with the pressure release mouth on the cover body, pressure release mouth department is located to pressure release apron lid, the one end and the cover body of pressure release apron are articulated, the other end passes through latched device and this body coupling of cover, latched device includes the rack, gear and slide bar, gear revolve locates on the cover body, rack and slide bar all slide and locate on the cover body, rack and gear engagement, and the rack stretches into this internal one end of cover and is equipped with the atmospheric pressure push pedal, the middle part of slide bar is equipped with the screw thread section, the screw thread section is worn to locate the center of gear and is connected with gear thread, the outer end of slide bar is equipped with the hasp, be equipped with the lockhole on the pressure release apron, be equipped with. This put cabinet pressure release cover in novel can prevent that high-pressure impact is impaired and drop and fly to weigh down and cause personal safety accident when the pressure release.
Description
Technical Field
The utility model relates to an in put cabinet technical field, especially relate to a novel put cabinet pressure release cover in.
Background
In the field of current complete electrical equipment, a centrally installed switchgear is widely applied, and the centrally installed switchgear is a fully metal armored centrally installed withdrawable switchgear and belongs to a high-voltage power distribution device. In the working process of the centrally installed switchgear, faults can occur, and electric arcs are generated inside the centrally installed switchgear. If the high-pressure arcing gas generated when the fault electric arc is ignited is not released in time, internal components can be damaged, and personal casualty accidents can be caused in serious cases. Therefore, it is necessary to design a pressure relief channel at the top of the cabinet, however, the original pressure relief device is generally a steel plate fixed at the two sides of the cabinet top by screws, when pressure relief occurs in an accident, high-pressure gas can burst one side of the steel plate to deform the steel plate, and the steel plate cannot be recycled, and is lack of a heat dissipation function, which is not beneficial to heat dissipation in the cabinet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide one kind and can prevent when the pressure release high-pressure impact impaired and drop and fly to weigh down and cause the personal safety accident novel in put cabinet pressure release cover.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a novel in put cabinet pressure release cover, includes cover body, latch mechanism and pressure release apron, be equipped with the pressure release mouth on the cover body, pressure release mouth department is located to pressure release apron lid, the one end of pressure release apron is articulated with the cover body, the other end passes through latch mechanism and this body coupling of cover, latch mechanism includes rack, gear and slide bar, gear revolve locates on the cover body, rack and slide bar all slide and locate on the cover body, rack and gear engagement, and the rack stretches into this internal one end of cover and is equipped with the atmospheric pressure push pedal, the middle part of slide bar is equipped with the screw thread section, the screw thread section is worn to locate the center of gear and is connected with gear thread, the outer end of slide bar is equipped with the hasp, be equipped with the lockhole on the pressure release apron, be equipped with the spring between atmospheric pressure push pedal and the.
As a further improvement of the above technical solution:
the cover body is provided with a guide sleeve, and the air pressure push plate is arranged in the guide sleeve in a sliding mode.
The outer end face of the air pressure push plate is provided with a conical groove.
And balls are arranged on the periphery of the lock catch.
The cover body is provided with an isolating rod in the middle of the pressure relief opening, and the pressure relief opening is provided with a pressure relief cover plate on two sides of the isolating rod.
The gear is arranged on the isolating rod, the rack and the sliding rod are arranged on the isolating rod in a sliding mode, the gear and the sliding rod are both provided with two teeth, the two teeth are respectively meshed with the two gears, the two sliding rods are respectively connected with the central threads of the two gears, and the two sliding rods are respectively inserted into lock holes of the two pressure relief cover plates through lock catches at the outer ends of the sliding rods.
An exhaust fan is arranged on the cover body.
The pressure relief port is located in the middle of the cover body.
The exhaust fan is equipped with two, and two exhaust fans are located the both sides of pressure release mouth respectively.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses in put cabinet pressure relief cover, a safety protection measure when breaking down, it can prevent that electric arc from touching adjacent functional unit's hazardous components, provides as high as possible personal protection level, prevents the accident diffusion. For preventing that the high pressure impact force when the pressure release damages novel in put cabinet pressure release cover, cause it to drop and fly the weight and cause the personal safety accident, set up the pressure release mouth on the cover body, locate the lid at pressure release mouth and establish the pressure release apron to make the one end of pressure release apron articulated with the cover body, the other end passes through latched device and this body coupling of cover, when latched device unblock, the pressure release apron can be opened to the outside of cover body. When the air pressure in the cover body is too high, the air pressure rushes the air pressure push plate to enable the rack to slide, the rack drives the gear to rotate, the gear drives the sliding rod to slide inwards through threaded fit, the lock catch at the outer end of the sliding rod retracts into the cover body and moves out of the lock hole, the locking effect on the pressure relief cover plate is relieved, and the pressure relief cover plate can be opened under the action of high air pressure at the inner side to release the air pressure in the cover body. This put cabinet pressure release cover in novel can prevent that high-pressure impact is impaired and drop and fly to weigh down and cause personal safety accident when the pressure release.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the pressure relief cover of the centrally installed switchgear of the present invention.
Fig. 2 is a schematic view of the sectional structure of the locking mechanism of the pressure relief cover of the middle-placed switchgear of the present invention.
Fig. 3 is a schematic view of the locking mechanism of the pressure relief cover of the centrally installed switchgear of the present invention.
The reference numerals in the figures denote:
1. a cover body; 11. a pressure relief port; 12. an isolation rod; 2. a latch mechanism; 21. a rack; 22. a gear; 23. a slide bar; 231. a threaded segment; 24. an air pressure push plate; 241. a tapered groove; 25. locking; 251. a ball bearing; 26. a spring; 3. a pressure relief cover plate; 31. a lock hole; 4. a guide sleeve; 5. an exhaust fan.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 to 3 show an embodiment of the pressure relief cover of the centrally-installed switchgear of the present invention, the pressure relief cover of the centrally-installed switchgear of the present invention comprises a main body 1, a locking mechanism 2 and a pressure relief cover plate 3, the main body 1 is provided with a pressure relief opening 11, the pressure relief cover plate 3 is covered at the pressure relief opening 11, one end of the pressure relief cover plate 3 is hinged to the main body 1, the other end is connected to the main body 1 through the locking mechanism 2, the locking mechanism 2 comprises a rack 21, a gear 22 and a slide rod 23, the gear 22 is rotatably disposed on the main body 1, the rack 21 and the slide rod 23 are both slidably disposed on the main body 1, the rack 21 is engaged with the gear 22, and one end of the rack 21 extending into the main body 1 is provided with an air pressure push plate 24, the middle of the slide rod 23 is provided with a threaded section 231, the threaded section 231 is disposed in the center of the gear 22 and, a spring 26 is arranged between the air pressure push plate 24 and the cover body 1, so that the lock catch 25 is inserted into the lock hole 31.
Novel put cabinet pressure release cover in and be a safety protection measure when breaking down, it can prevent that electric arc from touching the hazardous articles of adjacent functional unit, provides the personal protection level as high as possible, prevents the accident diffusion. In order to prevent high-pressure impact force during pressure relief from damaging the novel pressure relief cover of the centrally installed switchgear, the pressure relief cover is caused to fall off and fly to fall off, and personal safety accidents are caused. The cover body 1 is provided with a pressure relief opening 11, the pressure relief opening 11 is covered with a pressure relief cover plate 3, one end of the pressure relief cover plate 3 is hinged with the cover body 1, the other end of the pressure relief cover plate is connected with the cover body 1 through a locking mechanism 2, and when the locking mechanism 2 is unlocked, the pressure relief cover plate 3 can be opened towards the outer side of the cover body 1. When the air pressure in the cover body 1 is too high, the air pressure rushes the air pressure push plate 24 to enable the rack 21 to slide, the rack 21 drives the gear 22 to rotate, the gear 22 drives the sliding rod 23 to slide inwards through thread matching, so that the lock catch 25 at the outer end of the sliding rod 23 retracts into the cover body 1 and moves out of the lock hole 31, the locking effect on the pressure release cover plate 3 is relieved, and the pressure release cover plate 3 can be opened under the action of high air pressure at the inner side to release the air pressure in the cover body 1. This put cabinet pressure release cover in novel can prevent that high-pressure impact is impaired and drop and fly to weigh down and cause personal safety accident when the pressure release.
In this embodiment, as shown in fig. 2, the cover body 1 is provided with a guide sleeve 4, and the pneumatic push plate 24 is slidably disposed in the guide sleeve 4. Specifically, the air pressure push plate 24 is a circular plate, and the peripheral side of the air pressure push plate 24 is in sealing contact with the inner wall of the guide sleeve 4, so that the two end faces of the air pressure push plate 24 are located in different air pressure environments, and an air pressure difference can be formed at the two ends of the air pressure push plate 24, so that the air pressure push plate 24 can slide under the action of the air pressure difference.
In this embodiment, as shown in fig. 2, the outer end surface of the pneumatic pushing plate 24 is provided with a tapered groove 241 to improve the pneumatic effect.
In this embodiment, as shown in fig. 3, balls 251 are disposed on the peripheral side of the lock catch 25. The lock catch 25 is in contact with the hole wall of the lock hole 31 through the ball 251, so that friction force is reduced, the pressure relief cover plate 3 is prevented from being tightly contacted with the lock catch 25 to be locked under the action of high air pressure, and the lock catch mechanism 2 can be smoothly unlocked under the action of high air pressure.
In this embodiment, as shown in fig. 1, the cover body 1 is provided with the isolation rod 12 in the middle of the pressure relief opening 11, and the pressure relief opening 11 is provided with the pressure relief cover plate 3 on both sides of the isolation rod 12, so that the size of the single pressure relief cover plate 3 and the occupied space of the pressure relief cover plate 3 are reduced, and the appearance is improved.
In this embodiment, as shown in fig. 2 and fig. 3, the gear 22 is disposed on the isolation rod 12, the rack 21 and the sliding rod 23 are both slidably disposed on the isolation rod 12, the number of the gear 22 and the sliding rod 23 is two, teeth are disposed on both sides of the rack 21, the teeth on both sides of the rack 21 are respectively engaged with the two gears 22, the two sliding rods 23 are respectively connected with central threads of the two gears 22, and the latches 25 at the outer ends of the two sliding rods 23 are respectively inserted into the locking holes 31 of the two pressure relief cover plates 3. Two slide bars 23 are respectively extended from and retracted into two sides of the isolation bar 12, when the air pressure of the cover body 1 is small, the two slide bars 23 are respectively extended from two sides of the isolation bar 12 under the action of the spring 26 and are respectively clamped into the lock holes 31 of the two pressure relief cover plates 3, the pressure relief cover plates 3 are prevented from being opened, when the air pressure of the cover body 1 reaches a certain value, the air pressure push plate 24 overcomes the elastic force of the spring 26 to slide inwards, the rack 21 is driven to slide, the rack 21 simultaneously drives the two gears 22 to rotate, the two gears 22 respectively drive the two slide bars 23 to slide, the lock catches 25 of the two slide bars 23 are retracted into the cover body 1, so as to release the locking effect on the two pressure relief cover plates 3. The structure is compact and reasonable.
In this embodiment, as shown in fig. 3, the sliding rod 23 is provided with sliding portions at two ends of the threaded section, so that the sliding rod 23 can only slide but cannot rotate, i.e. when the gear 22 rotates, the sliding rod 23 can be driven to slide.
In this embodiment, the hood body 1 is provided with an exhaust fan 5. Considering that the temperature inside the cabinet body is higher, the exhaust fan 5 is adopted for heat dissipation to provide a heat dissipation function for improving the working performance of the cabinet body.
In this embodiment, as shown in fig. 1, the pressure relief opening 11 is located in the middle of the enclosure body 1. Two exhaust fans 5 are arranged, and the two exhaust fans 5 are respectively positioned on two sides of the pressure relief port 11, so that the heat dissipation effect is improved, and the attractiveness is improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a put cabinet pressure release cover in novel, its characterized in that: comprises a cover body (1), a locking mechanism (2) and a pressure relief cover plate (3), wherein a pressure relief opening (11) is formed in the cover body (1), the pressure relief cover plate (3) is arranged at the position of the pressure relief opening (11) in a covering manner, one end of the pressure relief cover plate (3) is hinged to the cover body (1), the other end of the pressure relief cover plate is connected with the cover body (1) through the locking mechanism (2), the locking mechanism (2) comprises a rack (21), a gear (22) and a sliding rod (23), the gear (22) is rotatably arranged on the cover body (1), the rack (21) and the sliding rod (23) are both slidably arranged on the cover body (1), the rack (21) is meshed with the gear (22), one end of the rack (21) extending into the cover body (1) is provided with an air pressure push plate (24), the middle part of the sliding rod (23) is provided with a thread section (231), and the thread section (231) penetrates through the center of the gear (22, the outer end of slide bar (23) is equipped with hasp (25), be equipped with lockhole (31) on pressure release apron (3), be equipped with spring (26) between atmospheric pressure push pedal (24) and cover body (1), make hasp (25) insert in lockhole (31).
2. The novel centrally installed switchgear pressure relief cover as claimed in claim 1, wherein: the cover is characterized in that a guide sleeve (4) is arranged on the cover body (1), and the air pressure push plate (24) is arranged in the guide sleeve (4) in a sliding mode.
3. The novel centrally installed switchgear pressure relief cover as set forth in claim 2, characterized in that: the outer end face of the air pressure push plate (24) is provided with a conical groove (241).
4. The novel centrally installed switchgear pressure relief cover as claimed in claim 1, wherein: and balls (251) are arranged on the periphery of the lock catch (25).
5. The novel centrally installed switchgear pressure relief cover as claimed in any one of claims 1 to 4, wherein: the cover body (1) is provided with an isolating rod (12) in the middle of a pressure relief opening (11), and the pressure relief opening (11) is provided with a pressure relief cover plate (3) on two sides of the isolating rod (12).
6. The novel centrally installed switchgear pressure relief cover as set forth in claim 5, characterized in that: on isolating bar (12) was located in gear (22), rack (21) and slide bar (23) all slided and locate on isolating bar (12), gear (22) and slide bar (23) all have two, the both sides of rack (21) all are equipped with the tooth, respectively with two gear (22) meshing, two slide bar (23) respectively with the central thread connection of two gear (22), two hasp (25) of slide bar (23) outer end are inserted respectively in lockhole (31) of two pressure release apron (3).
7. The novel centrally installed switchgear pressure relief cover as claimed in any one of claims 1 to 4, wherein: an exhaust fan (5) is arranged on the cover body (1).
8. The novel centrally installed switchgear pressure relief cover of claim 7, wherein: the pressure relief port (11) is positioned in the middle of the cover body (1).
9. The novel centrally installed switchgear pressure relief cover of claim 8, wherein: exhaust fan (5) are equipped with two, and two exhaust fan (5) are located the both sides of pressure release mouth (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481421.4U CN213717457U (en) | 2020-10-30 | 2020-10-30 | Novel centrally installed switchgear pressure relief cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481421.4U CN213717457U (en) | 2020-10-30 | 2020-10-30 | Novel centrally installed switchgear pressure relief cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213717457U true CN213717457U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022481421.4U Active CN213717457U (en) | 2020-10-30 | 2020-10-30 | Novel centrally installed switchgear pressure relief cover |
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| Country | Link |
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| CN (1) | CN213717457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360595A (en) * | 2022-08-22 | 2022-11-18 | 宇超电力股份有限公司 | Armored switch cabinet with middle-mounted metal seal and use method thereof |
-
2020
- 2020-10-30 CN CN202022481421.4U patent/CN213717457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360595A (en) * | 2022-08-22 | 2022-11-18 | 宇超电力股份有限公司 | Armored switch cabinet with middle-mounted metal seal and use method thereof |
| CN115360595B (en) * | 2022-08-22 | 2023-04-28 | 宇超电力股份有限公司 | Armored centrally-mounted metal-enclosed switch cabinet and application method thereof |
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