CN215680444U - Novel switch anti-disengaging mechanism - Google Patents
Novel switch anti-disengaging mechanism Download PDFInfo
- Publication number
- CN215680444U CN215680444U CN202120428193.6U CN202120428193U CN215680444U CN 215680444 U CN215680444 U CN 215680444U CN 202120428193 U CN202120428193 U CN 202120428193U CN 215680444 U CN215680444 U CN 215680444U
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- CN
- China
- Prior art keywords
- sheet metal
- hole
- metal plate
- base plate
- positioning sleeve
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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.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 2
- 230000007774 longterm Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a novel switch anti-disengaging mechanism which characterized in that: the sheet metal board is "nearly" style of calligraphy many hem board, the base plate laminating is under sheet metal board bottom hem, a plurality of via holes of sheet metal board bottom hem align with a plurality of through-holes on the base plate, every position sleeve all welds within the via hole, the registrate passes the through-hole simultaneously, two voussoirs have been registrated to the position sleeve outer wall, the toper inclined plane laminating of voussoir is in through-hole drill way chamfer inclined plane department, the axle body cover of ream hole bolt closes in the position sleeve hole, locking gasket, the nut passes the thread head of ream hole bolt successively, make the base plate compress tightly the fixed plane. When the nut is screwed and compressed, the wedge block slides along the chamfer inclined plane of the opening of the through hole, so that the pressing force applied to the positioning sleeve is increased, and the sheet metal plate welded with the positioning sleeve is stabilized; the shear strength is improved by the excessive matching of the twisted hole bolt, the fastening and attaching in all directions are realized, and meanwhile, the multi-folded edge of the sheet metal plate can buffer the instantaneous external force, thereby being beneficial to the frequent use of common and large-scale switches.
Description
Technical Field
The utility model belongs to the technical field of electrical installation, and particularly relates to a novel switch anti-falling mechanism.
Background
The switch device is a common necessary article in electrical operation, such as a circuit breaker, a fuse, a change-over switch and the like, and can effectively ensure that an electric power system is cut off and started in time. Because of the functional characteristics of the traditional electric switch mechanism, the traditional electric switch mechanism is often required to be shifted, pressed or twisted by hands, the stress direction of the traditional electric switch mechanism is multidirectional, a general connecting and fixing device is only fixed in a certain direction, and after frequent opening and closing operations, the connecting device is easy to loosen and is not beneficial to long-term use of a switch device; especially, the size of a disconnecting switch of a main power supply or a high-power system is large, the external force required by manoeuvre is huge, and after the disconnecting switch is used for a long time, a base of the disconnecting switch is easily damaged, so that a new technical scheme is needed to overcome the defects.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies in the prior art, the present invention provides a novel switch anti-tripping mechanism for improving the stability of the frequent use of the switch device, especially the large-scale switch.
The specific embodiment of the utility model is as follows: a novel switch anti-falling mechanism comprises a sheet metal plate, a base plate, a plurality of positioning sleeves, a plurality of wedge blocks, a plurality of twisted hole bolts, a plurality of anti-loosening gaskets and a plurality of nuts. The sheet metal plate is of a U-shaped multi-folded-edge plate structure, the base plate is attached to and installed below a folded edge at the bottom of the sheet metal plate, meanwhile, a plurality of through holes in the folded edge at the bottom of the sheet metal plate are aligned with a plurality of through holes in the base plate one by one, each positioning sleeve is fixed in one through hole of the sheet metal plate in a welding mode and penetrates through the through hole aligned with the positioning sleeve in a sleeving mode, the outer wall of each positioning sleeve is sleeved with two semicircular conical wedges, and the conical inclined surfaces of the wedges are attached to the orifice chamfer inclined surfaces of the through holes in the base plate; the shaft bodies of the plurality of the stranded hole bolts are respectively sleeved in the inner holes of the positioning sleeves in a transition fit or interference fit mode, and the bolt heads face one side of the sheet metal plate; when the ends of the plurality of twisted hole bolts are fixed on a wall body, the ground, a workbench or an electric box, the anti-loosening gasket and the nut sequentially penetrate through the thread heads of the twisted hole bolts, and then the nut is screwed to enable the base plate to compress the fixing plane of the twisted hole bolts.
Furthermore, a plurality of mounting holes are formed in the middle plate surface of the sheet metal plate, and the mounting holes are used for fixing the switch device.
Furthermore, the conical flat bottom surface of the wedge block is attached to the bottom surface of the sheet metal plate.
Furthermore, when the inner walls of the two wedges are attached to the outer wall of the positioning sleeve, a gap is formed between the two wedges.
Furthermore, the end of the stranded hole bolt can be fixed on a wall body or the ground in a chemical anchoring mode, or fixed on a workbench or an electric box in a sleeving and welding mode.
The utility model has the beneficial effects that: the utility model utilizes the structural design that the positioning sleeve is sleeved with two conical wedges to ensure that the wedges slide inwards along the chamfer inclined plane of the opening of the through hole when the nut is screwed and compacted, thereby increasing the compacting force applied to the side wall of the positioning sleeve and further stabilizing the sheet metal plate welded with the positioning sleeve; the shear strength of the connecting component is improved by excessive matching of the shaft bodies of the twisted hole bolts, fastening and attaching in all directions are achieved, meanwhile, the multi-fold edge structure of the sheet metal plate can buffer instant external force borne by a switch device mounted on the multi-fold edge structure, frequent use of common switch devices, particularly large high-power switch devices, is greatly facilitated, pre-tightening force in all directions can be stabilized no matter whether the switch devices are shifted, pressed or twisted, and the stability and the service life of the switch devices under long-term operation are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of a partial assembly of the wedge and retaining sleeve of the present invention.
In the figure: the anti-loosening device comprises a metal plate 1, a through hole 1a, a mounting hole 1b, a base plate 2, a through hole 2a, a positioning sleeve 3, a wedge block 4, a stranded hole bolt 5, a head 5a, a shaft body 5b, a bolt head 5c, a loosening-preventing gasket 6 and a nut 7.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
As shown in fig. 1-2, a novel switch anti-drop mechanism comprises a sheet metal plate 1, a base plate 2, a plurality of positioning sleeves 3, a plurality of wedges 4, a plurality of twisted hole bolts 5, a plurality of anti-drop gaskets 6 and a plurality of nuts 7. The sheet metal plate 1 is of a U-shaped multi-folded plate structure, a plurality of mounting holes 1b are formed in the middle plate surface of the sheet metal plate 1, and the mounting holes 1b are used for fixing an upper switch device; the base plate 2 is attached and installed below the bottom folded edge of the sheet metal plate 1, meanwhile, a plurality of through holes 1a of the bottom folded edge of the sheet metal plate 1 are aligned with a plurality of through holes 2a on the base plate 2 one by one, each positioning sleeve 3 is fixed in one through hole 1a of the sheet metal plate 1 in a welding mode and penetrates through the through hole 2a aligned with the positioning sleeve 3 in a sleeving mode, the outer wall of each positioning sleeve 3 is sleeved with two semicircular conical wedge blocks 4, the conical inclined surface of each wedge block 4 is attached to the opening chamfer inclined surface of the through hole 2a on the base plate 2, the conical flat bottom surface of each wedge block 4 is attached to the bottom surface of the sheet metal plate 1, and when the inner walls of the two wedge blocks 4 are attached to the outer wall of the positioning sleeve 3, a gap exists between the two wedge blocks 4 (as shown in figure 2); the shaft bodies 5b of the plurality of the reamed hole bolts 5 are respectively sleeved in the inner holes of the positioning sleeves 3 in an interference fit mode, and the bolt heads 5c of the plurality of reamed hole bolts face one side of the sheet metal plate 1; the end 5a of the twisted hole bolt 5 is fixed on the wall body in a chemical anchoring mode, the anti-loosening gasket 6 and the nut 7 sequentially penetrate through the thread head of the twisted hole bolt 5, and then the nut 7 is screwed to enable the base plate 2 to tightly press the fixed wall surface of the twisted hole bolt 5.
When a common switch device is in butt joint installation with the installation hole 1b of the sheet metal plate 1, an operator dials a handle of the switch device to perform circuit opening and closing operation, transverse poking force of the handle is decomposed into twisting force and lateral moving force of bottom hems at two sides by the inverted U-shaped hems of the sheet metal plate 1, wherein the twisting force is pressed and stabilized by the pretightening force of a nut 7, the lateral moving force is transmitted to a wedge block 4 below the positioning sleeve 3 welded on the through hole 1a, the two wedge blocks 4 slide along the chamfer inclined plane of the through hole 2a of the base plate 2 due to the pretightening force applied by the nut 7 and tightly embrace the outer wall of the fixed outer sleeve in the middle, so that a transverse fixing structure which is tightly attached is formed between the base plate 2 and the reaming bolt 5, and the transverse poking force is directly transmitted to a fixed wall surface through the connecting structure which is welded by the positioning sleeve 3, compressed by the wedge block 4, in interference fit with the shaft body 5b and chemically anchored at the end 5a, because the wall surface directly bears the lateral movement shearing force, the load of the whole mechanism is greatly shared, the mechanical fatigue degree of the mechanism is reduced, the stability is improved, and the service life is prolonged. When the switch device fixed by the utility model is a large-scale high-power switch device, the instantaneous impact force generated when an operator forcibly stirs the switch handle can be buffered by the inverted U-shaped folded edge of the sheet metal plate 1, so that the stability of a bolt pair and a wall body is effectively protected; when the switch device is a knob mechanism, the decomposition force applied to the bottom flange is mainly lateral movement force, and when the switch device is a pressing mechanism, the decomposition force applied to the bottom flange is mainly twisting force, and as the same reason, the nut 7 and the wedge block 4 can be stabilized, so that the mechanism stability of various types of switches under long-term frequent use is ensured.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in form, and all modifications and equivalents that may be made by those skilled in the art, while remaining within the scope of the present invention, are intended to be covered by the appended claims.
Claims (5)
1. The utility model provides a novel switch anti-disengaging mechanism, includes sheet metal board, base plate, a plurality of position sleeve, a plurality of voussoir, a plurality of ream hole bolt, a plurality of locking gasket, a plurality of nut, its characterized in that: the sheet metal plate is of a U-shaped multi-folded-edge plate-shaped structure, the base plate is installed below the bottom folded edge of the sheet metal plate in an attaching mode, meanwhile, a plurality of through holes of the bottom folded edge of the sheet metal plate are aligned with a plurality of through holes in the base plate one by one, each positioning sleeve is fixed in one through hole of the sheet metal plate in a welding mode and penetrates through the through hole aligned with the positioning sleeve in a sleeving mode, the outer wall of each positioning sleeve is sleeved with two semicircular conical wedge blocks, the conical inclined surface of each wedge block is attached to the hole opening chamfer inclined surface of the through hole in the base plate, the shaft bodies of the stranded hole bolts are sleeved in the inner holes of the positioning sleeves in a transition fit or interference fit mode respectively, the bolt heads of the stranded hole bolts face one side of the sheet metal plate, and when the ends of the stranded hole bolts are fixed on a wall body, the ground, a workbench or an electric box, the anti-loosening gasket is used for preventing the loose of the sheet metal plate from being damaged, The nut successively penetrates through the thread head of the twisted hole bolt, and then the nut is screwed to enable the base plate to tightly press the fixed plane of the twisted hole bolt.
2. A novel switch trip prevention mechanism as claimed in claim 1, wherein: the middle plate surface of the sheet metal plate is provided with a plurality of mounting holes, and the mounting holes are used for fixing a switch device.
3. A novel switch trip prevention mechanism as claimed in claim 1, wherein: the tapered flat bottom surface of the wedge block is attached to the bottom surface of the sheet metal plate.
4. A novel switch trip prevention mechanism as claimed in claim 1, wherein: when the inner walls of the two wedges are tightly attached to the outer wall of the positioning sleeve, a gap is formed between the two wedges.
5. A novel switch trip prevention mechanism as claimed in claim 1, wherein: the end of the twisted hole bolt can be fixed on a wall body or the ground in a chemical anchoring mode, or fixed on a workbench or an electric box in a sleeving and welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120428193.6U CN215680444U (en) | 2021-02-26 | 2021-02-26 | Novel switch anti-disengaging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120428193.6U CN215680444U (en) | 2021-02-26 | 2021-02-26 | Novel switch anti-disengaging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680444U true CN215680444U (en) | 2022-01-28 |
Family
ID=79968949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120428193.6U Expired - Fee Related CN215680444U (en) | 2021-02-26 | 2021-02-26 | Novel switch anti-disengaging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680444U (en) |
-
2021
- 2021-02-26 CN CN202120428193.6U patent/CN215680444U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |