CN220509911U - High-voltage electric appliance airtight crank arm box - Google Patents
High-voltage electric appliance airtight crank arm box Download PDFInfo
- Publication number
- CN220509911U CN220509911U CN202322024712.4U CN202322024712U CN220509911U CN 220509911 U CN220509911 U CN 220509911U CN 202322024712 U CN202322024712 U CN 202322024712U CN 220509911 U CN220509911 U CN 220509911U
- Authority
- CN
- China
- Prior art keywords
- box body
- crank arm
- box
- reinforcing rib
- connecting seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 31
- 238000005260 corrosion Methods 0.000 claims description 19
- 230000003064 anti-oxidating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 230000003678 scratch resistant effect Effects 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 abstract description 15
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses an airtight crank arm box of a high-voltage electrical appliance, which relates to the technical field of crank arm boxes and comprises a box body and a third reinforcing rib; the box body comprises: the leading flank is fixed with the connecting seat, the top surface of box body is equipped with the crank arm sleeve, the middle part of box body trailing flank is fixed with the interface of aerifing, the trailing flank of box body is fixed with first strengthening rib, the medial extremity of first strengthening rib is connected with the lateral surface of the interface of aerifing, the second strengthening rib is all installed to the left and right sides face of box body, the leading flank end of second strengthening rib is connected with the trailing flank of connecting seat, the inside at the box body is evenly fixed to the third strengthening rib, wherein: still include ring flange and mounting groove, the inside at the connecting seat is installed to the ring flange, and this high-voltage apparatus gas tightness turning arm box adopts many strengthening ribs can increase the holistic intensity of box body to prevent that it from receiving the problem that the impact caused the deformation, the gas tightness when setting up then can pack turning arm box with sealed pad.
Description
Technical Field
The utility model relates to the technical field of crank arm boxes, in particular to a high-voltage electrical appliance air tightness crank arm box.
Background
The crank arm box is a container type key part for sealing sulfur hexafluoride gas in the high-voltage sulfur hexafluoride circuit breaker, adopts a casting process structure, and the special structure determined by the functions of the crank arm box has very high requirements on the manufacturing process and the structural design of the crank arm box, the structure of the crank arm box is obtained by a traditional mechanical design method, the crank arm box is formed by processing through the casting process, the crank arm box bears alternating load in the use process of the circuit breaker, the failure mode of the crank arm box is mainly fatigue strength damage, the air tightness of the traditional structure is easily influenced when the traditional structure is connected due to the lack of a sealing structure at the connecting part, and meanwhile, the integral strength of the box body is poor, and the problem of deformation easily occurs when the box body receives external impact.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the high-voltage electrical appliance air tightness crank arm box, and the strength of the whole box body can be increased by adopting a plurality of reinforcing ribs, so that the problem of deformation caused by impact is prevented, and the sealing ring and the sealing gasket can package the air tightness of the crank arm box during installation, thereby effectively solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-voltage electric appliance airtight crank arm box comprises a box body and a third reinforcing rib;
the box body comprises: the front side is fixedly provided with a connecting seat, the top surface of the box body is provided with a crank arm sleeve, the middle part of the rear side of the box body is fixedly provided with an inflation interface, the rear side of the box body is fixedly provided with a first reinforcing rib, the inner side end of the first reinforcing rib is connected with the outer side surface of the inflation interface, the left side and the right side of the box body are respectively provided with a second reinforcing rib, the front side end of the second reinforcing rib is connected with the rear side surface of the connecting seat, the third reinforcing rib is uniformly fixed in the box body,
wherein: still include ring flange and mounting groove, the inside at the connecting seat is installed to the ring flange, the mounting groove has been seted up to the leading flank of ring flange.
The problem that the crack appears easily in the interface department of can preventing to aerify through the first strengthening rib that sets up, and the inside third strengthening rib of second strengthening rib cooperation box body that sets up then can increase box body holistic intensity to prevent that it from receiving the impact and causing the problem of deformation.
Further, the sealing gasket comprises a sealing gasket body and mounting blocks, the mounting blocks are fixed at two ends of the rear side face of the sealing gasket body, the mounting blocks are correspondingly inserted into the mounting grooves, and the mounting blocks of the rear side face of the sealing gasket body are inserted into the mounting grooves, so that the sealing performance of the box body is prevented from being influenced by gaps at the joint of the flange plate and an external electric device.
Further, still include fixing base and bolt, the inside at the connecting seat is evenly fixed to the fixing base, the bolt is pegged graft mutually with the shaft hole on ring flange surface, the bolt passes the shaft hole on ring flange surface and the screw threaded connection at fixing base middle part with the inside screw threaded connection of fixing base to the bolt, thereby conveniently dismouting to the ring flange, thereby clear up and maintain the inside of box body.
Further, still include sealing ring and installation piece, the both ends of sealing ring lateral surface all are fixed with the installation piece, installation piece and the recess looks joint of turning arm sleeve medial surface, the installation piece card of sealing ring lateral surface advances the recess of turning arm sleeve medial surface to prevent to appear great gap between turning arm and the turning arm sleeve.
Further, the anti-corrosion box further comprises an anti-corrosion layer and a scratch-resistant layer, wherein the anti-corrosion layer is uniformly coated on the outer side face of the box body, the scratch-resistant layer is adhered on the outer side face of the anti-corrosion layer, the anti-corrosion layer can prevent the outer side of the box body from being corroded by external corrosive gas and liquid, so that the protection effect of the box body is affected, and the scratch-resistant layer can prevent the anti-corrosion layer from being scratched and falling.
Further, the anti-oxidation box further comprises an anti-oxidation layer, wherein the anti-oxidation layer is coated on the inner side surface of the box body, the anti-oxidation layer is made of epoxy resin, and oxidation rust can be prevented from occurring in the box body by the anti-oxidation layer, so that the crank arm box is prevented from being influenced when in use.
Compared with the prior art, the utility model has the beneficial effects that: the high-voltage electric appliance airtight crank arm box has the following advantages:
1. the problem that the crack appears easily in the interface department of can preventing to aerify through the first strengthening rib that sets up, and the inside third strengthening rib of second strengthening rib cooperation box body that sets up then can increase box body holistic intensity to prevent that it from receiving the impact and causing the problem of deformation.
2. The sealing ring can prevent a larger gap from appearing between the crank arm and the crank arm sleeve, and the sealing gasket can prevent the gap from appearing at the joint of the flange plate and an external electric device to influence the tightness of the box body.
3. The anti-corrosion layer can prevent the outside of the box body from being corroded by the external corrosive gas and liquid, so that the protection effect of the box body is affected, and the anti-scratch layer can prevent the anti-corrosion layer from being scratched and dropped.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the rear side structure of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the case of the present utility model;
fig. 4 is a schematic cross-sectional view of the case of the present utility model.
In the figure: the novel anti-corrosion protection box comprises a box body 1, a connecting seat 2, a crank arm sleeve 3, an inflatable interface 4, a first reinforcing rib 5, a second reinforcing rib 6, a third reinforcing rib 7, a flange 8, a mounting groove 9, a sealing gasket 10, a mounting block 11, a fixing seat 12, a bolt 13, a sealing ring 14, a mounting block 15, an anti-corrosion layer 16, a scratch-resistant layer 17 and an anti-oxidation layer 18.
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.
Referring to fig. 1-4, the present embodiment provides a technical solution: the high-voltage electric appliance airtight crank arm box comprises a box body 1 and a third reinforcing rib 7;
box body 1: the front side is fixed with a connecting seat 2, the top surface of the box body 1 is provided with a crank arm sleeve 3, the middle part of the rear side of the box body 1 is fixed with an inflation interface 4, the rear side of the box body 1 is fixed with a first reinforcing rib 5, the inner side end of the first reinforcing rib 5 is connected with the outer side of the inflation interface 4, the left and right side surfaces of the box body 1 are respectively provided with a second reinforcing rib 6, the front side end of the second reinforcing rib 6 is connected with the rear side of the connecting seat 2, a third reinforcing rib 7 is uniformly fixed in the box body 1,
wherein: the sealing device also comprises a flange 8 and a mounting groove 9, wherein the flange 8 is mounted in the connecting seat 2, the mounting groove 9 is formed in the front side surface of the flange 8, the problem that cracking is easy to occur at the position of the inflation interface 4 can be prevented through the arranged first reinforcing rib 5, the integral strength of the box 1 can be enhanced by the arranged second reinforcing rib 6 matched with the third reinforcing rib 7 in the box 1, the problem that deformation is caused by impact can be prevented, the sealing gasket 10 and the mounting block 11 are also included, the two ends of the rear side surface of the sealing gasket 10 are both fixedly provided with the mounting block 11, the mounting block 11 is correspondingly inserted with the mounting groove 9, the mounting block 11 of the rear side surface of the sealing gasket 10 is inserted with the mounting groove 9, thereby preventing the sealing performance of the box 1 from being influenced by gaps at the joint of the flange 8 and an external electric device, the fixing seat 12 and bolts 13 are also included, the fixing seat 12 is uniformly fixed in the connecting seat 2, the bolts 13 are inserted with shaft holes on the surface of the flange 8, the bolt 13 is in threaded connection with a screw hole in the fixing seat 12, the bolt 13 passes through a shaft hole in the surface of the flange 8 and is in threaded connection with a screw hole in the middle of the fixing seat 12, so that the flange 8 is convenient to disassemble and assemble, the inside of the box body 1 is cleaned and maintained, the box further comprises a sealing ring 14 and a mounting block 15, the two ends of the outer side surface of the sealing ring 14 are respectively fixedly provided with the mounting block 15, the mounting block 15 is clamped with a groove in the inner side surface of the crank arm sleeve 3, the mounting block 15 on the outer side surface of the sealing ring 14 is clamped into the groove in the inner side surface of the crank arm sleeve 3, so that a large gap is prevented between the crank arm and the crank arm sleeve 3, the box further comprises an anti-corrosion layer 16 and a scratch-resistant layer 17, the anti-corrosion layer 16 is uniformly coated on the outer side surface of the box body 1, the anti-scratch layer 17 is adhered on the outer side surface of the anti-corrosion layer 16, and the outer corrosive gas and liquid can be prevented from corroding the outer side of the box body 1, thereby influence the protective effect of box body 1, and resistant layer 17 of cutting then can prevent that corrosion protection layer 16 from receiving to cut and scratch and drop, still include oxidation resistant layer 18, oxidation resistant layer 18 coating is at the medial surface of box body 1, and oxidation resistant layer 18 is epoxy, and oxidation resistant layer 18 can prevent that box body 1 inside from appearing oxidizing and rusting to receive the influence when preventing the turning arm box to use.
The working principle of the high-voltage electrical appliance airtight crank arm box provided by the utility model is as follows: firstly, install flange 8 to the inside of connecting seat 2, rotate bolt 13 makes its card advance the inside of connecting seat 2, fix flange 8 like this, the while is convenient to carry out the dismouting to flange 8, thereby clear up and maintain the inside of box body 1, and the installation piece 15 card of sealing ring 14 lateral surface advances the inside mounting groove of turning arm sleeve 3, simultaneously the installation piece 11 of sealing pad 10 trailing flank is pegged graft mutually with mounting groove 9, thereby prevent that flange 8 and the leakproofness of box body 1 from appearing the gap in external electrical equipment junction from appearing, can prevent the problem of the easy fracture of inflation interface 4 department through the first strengthening rib 5 that sets up, and the inside third strengthening rib 7 of the inside of second strengthening rib 6 cooperation box body 1 then can increase box body 1 holistic intensity, in order to prevent that it from receiving the problem of impact and causing deformation, the anticorrosive coating 16 of box body 1 lateral surface can prevent that outside corrosive gas liquid from can the box body 1 outside from causing corrosion, thereby influence the protective effect of box body 1, and the resistant layer 17 is then can prevent layer 16 from being cut off and rub and drop, oxidation layer 18 can prevent that oxidation of box body 1 from appearing when the inside oxidation layer is used to prevent to appear.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. High voltage electric appliance gas tightness turning arm box, its characterized in that: comprises a box body (1) and a third reinforcing rib (7);
box body (1): the front side is fixedly provided with a connecting seat (2), the top surface of the box body (1) is provided with a crank arm sleeve (3), the middle part of the rear side of the box body (1) is fixedly provided with an inflation interface (4), the rear side of the box body (1) is fixedly provided with a first reinforcing rib (5), the inner side end of the first reinforcing rib (5) is connected with the outer side surface of the inflation interface (4), the left side surface and the right side surface of the box body (1) are respectively provided with a second reinforcing rib (6), the front side end of the second reinforcing rib (6) is connected with the rear side surface of the connecting seat (2), and the third reinforcing rib (7) is uniformly fixed in the box body (1);
wherein: still include ring flange (8) and mounting groove (9), ring flange (8) are installed in the inside of connecting seat (2), mounting groove (9) have been seted up to the leading flank of ring flange (8).
2. The high voltage electrical apparatus airtight crank arm case of claim 1, wherein: the sealing gasket is characterized by further comprising a sealing gasket (10) and mounting blocks (11), wherein the mounting blocks (11) are fixed at two ends of the rear side face of the sealing gasket (10), and the mounting blocks (11) are correspondingly inserted into the mounting grooves (9).
3. The high voltage electrical apparatus airtight crank arm case of claim 1, wherein: still include fixing base (12) and bolt (13), fixing base (12) evenly fix in the inside of connecting seat (2), bolt (13) are pegged graft mutually with the shaft hole on ring flange (8) surface, bolt (13) and the inside screw threaded connection of fixing base (12).
4. The high voltage electrical apparatus airtight crank arm case of claim 1, wherein: still include sealing ring (14) and installation piece (15), both ends of sealing ring (14) lateral surface all are fixed with installation piece (15), installation piece (15) and the recess looks joint of turning arm sleeve (3) medial surface.
5. The high voltage electrical apparatus airtight crank arm case of claim 1, wherein: the anti-corrosion box further comprises an anti-corrosion layer (16) and a scratch-resistant layer (17), wherein the anti-corrosion layer (16) is uniformly coated on the outer side face of the box body (1), and the scratch-resistant layer (17) is adhered to the outer side face of the anti-corrosion layer (16).
6. The high voltage electrical apparatus airtight crank arm case of claim 1, wherein: the anti-oxidation box further comprises an anti-oxidation layer (18), wherein the anti-oxidation layer (18) is coated on the inner side face of the box body (1), and the anti-oxidation layer (18) is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024712.4U CN220509911U (en) | 2023-07-31 | 2023-07-31 | High-voltage electric appliance airtight crank arm box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024712.4U CN220509911U (en) | 2023-07-31 | 2023-07-31 | High-voltage electric appliance airtight crank arm box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509911U true CN220509911U (en) | 2024-02-20 |
Family
ID=89866337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322024712.4U Active CN220509911U (en) | 2023-07-31 | 2023-07-31 | High-voltage electric appliance airtight crank arm box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509911U (en) |
-
2023
- 2023-07-31 CN CN202322024712.4U patent/CN220509911U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |