CN220651889U - High-voltage isolating switch closing mechanism - Google Patents
High-voltage isolating switch closing mechanism Download PDFInfo
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- CN220651889U CN220651889U CN202322183351.8U CN202322183351U CN220651889U CN 220651889 U CN220651889 U CN 220651889U CN 202322183351 U CN202322183351 U CN 202322183351U CN 220651889 U CN220651889 U CN 220651889U
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- fixedly connected
- groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-voltage isolating switch closing mechanism which comprises a mounting plate, wherein a knife switch main body is arranged on the mounting plate and is positioned in a protective shell, two sides of the protective shell are fixedly connected with connecting blocks respectively, a sliding groove is formed in each connecting block, one side in each sliding groove is fixedly connected with one end of a spring, the other end of each spring is fixedly connected with a sliding block, the sliding blocks are connected with the sliding grooves in a sliding manner, and one side, far away from each spring, of each sliding block is fixedly connected with a sliding rod. According to the utility model, the protective shell, the connecting block, the spring, the sliding block, the poking block, the clamping rod, the limiting block, the fixing block, the limiting groove and the like are arranged, so that the protective shell can be rotated and fixed when the knife is not used, the knife in the protective shell can be effectively protected, the protection function is improved, the improper use of the knife caused by exposing the knife outside when the knife is not used is prevented, the safety is improved, and the structure in the sliding groove can be effectively protected by arranging the baffle, the sliding groove and the like.
Description
Technical Field
The utility model relates to the technical field of high-voltage switches, in particular to a switching-on mechanism of a high-voltage isolating switch.
Background
Disconnectors (operation sites are also called knife switches) are the simplest form of high voltage switch. The knife switch is composed of porcelain base, blade, knife holder and rubber cover, and is usually used as switch for isolating power supply. The working principle and the structure of the transformer are simpler, but the use amount is large, the requirement on the working reliability is high, and the influence on the design, establishment and safe operation of the transformer substation and the power plant is large.
For example, chinese patent publication No. CN204809105U discloses an insulation protection high voltage isolation switch comprising a high voltage isolation switch including an insulator installed between the blade and the base by a fastener frame to separate the blade from the base, a blade and a base, and an insulation spacer installed on the insulator to spatially separate the blade from the base. According to the insulation protection high-voltage isolating switch, the insulation partition plate is additionally arranged on the original high-voltage isolating switch, so that the switch knife and the base are separated in space, and the occurrence of the ground short circuit fault of the outdoor high-voltage isolating switch caused by the fact that small animals and other hanging objects touch and are communicated with the switch knife and the base is effectively prevented.
However, the conventional knife switch for high-voltage switch has poor protection function when not in use, which is easy to cause improper use of the knife switch and reduces safety.
Therefore, we propose a high-voltage isolating switch closing mechanism for solving the above problems.
Disclosure of Invention
The utility model aims to provide a high-voltage isolating switch closing mechanism so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-voltage isolating switch closing mechanism, includes the mounting panel, be equipped with the plug-in strip main part on the mounting panel, the plug-in strip main part is located the protecting crust inside, the connecting block is respectively rigid coupling in protecting crust both sides, set up the spout in the connecting block, one side rigid coupling spring one end in the spout, the other end rigid coupling slider of spring, slider sliding connection spout, one side rigid coupling slide bar of spring is kept away from to the slider, the through-hole is seted up to one side in the spout, slide bar sliding connection through-hole, slide bar one side rigid coupling limiting block, the fixed block is respectively rigid coupling at mounting panel top surface both ends, limiting groove is seted up to fixed block one side, limiting block contact limiting groove;
the spring is coiled into a spiral shape by a metal wire, the longitudinal section of the metal wire is oblate, an included angle is formed between the longitudinal section and the central shaft of the compression spring, and the size of the included angle is adjustable so as to adapt to the stroke of the required compression spring.
Preferably, one side of the sliding block is fixedly connected with a poking block, one side of the sliding groove is provided with a poking groove, and the poking block is in sliding connection with the poking groove.
Preferably, one side of the poking block is fixedly connected with a baffle, one side in the poking groove is provided with a sliding groove, the baffle is in sliding connection with the sliding groove, and the baffle is in sliding connection with the poking groove.
Preferably, the top surface and the bottom surface of the sliding block are respectively fixedly connected with a limiting block, the inner top surface and the bottom surface of the sliding groove are respectively provided with a limiting groove, and the limiting blocks are in sliding connection with the limiting grooves.
Preferably, the two ends of the top surface of the mounting plate are fixedly connected with the fixing plates respectively, and a rotating shaft is fixedly connected between one sides of the two fixing plates, which are close to each other.
Preferably, one side of the protective shell is fixedly connected with one side of the connecting piece, the other side of the connecting piece is fixedly connected with the sleeve, and the sleeve is rotationally connected with the rotating shaft.
Preferably, the spring comprises a plurality of spring rings, and the longitudinal section of the spring rings passing through the central shaft is an oblique oblate which is respectively arranged at two sides of the central shaft; the outer diameter of the coil is gradually decreased along the contraction direction of the compression spring.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the protective shell, the connecting block, the spring, the sliding block, the poking block, the clamping rod, the limiting block, the fixing block, the limiting groove and the like are arranged, so that the protective shell can be rotated and fixed when the knife is not used, the knife in the protective shell is effectively protected, the protection function is improved, the improper use of the knife caused by exposing the knife outside when the knife is not used is prevented, the safety is improved, and the structure in the sliding groove can be effectively protected by arranging the baffle, the sliding groove and the like;
according to the spring disclosed by the utility model, the spring is formed by winding the metal wire in a spiral shape, the longitudinal section of the metal wire is oblate, an included angle is formed between the longitudinal section and the central shaft of the compression spring, the included angle can be adjusted according to the required stroke of the compression spring, and when the required stroke of the compression spring is increased, the number of turns of the spring is not required to be increased, so that the installation space of the compression spring is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the protective shell in the open state;
FIG. 3 is a schematic top view of a partial structure of the present utility model;
FIG. 4 is a schematic side view of a partial structure of the present utility model;
FIG. 5 is a schematic side view of a partial structure of the present utility model;
FIG. 6 is a schematic perspective view of a spring according to the present utility model;
FIG. 7 is a schematic view of the structure of the spring of the present utility model;
FIG. 8 is a schematic longitudinal cross-sectional view of a spring wire of the present utility model;
fig. 9 is a cross-sectional view of a spring of the present utility model.
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.
Example 1
Referring to fig. 1-5, for a first embodiment of the present utility model, the present utility model provides a technical solution: the utility model provides a high-voltage isolating switch closing mechanism, including mounting panel 1, be equipped with knife switch main part 2 on the mounting panel 1, knife switch main part 2 is located inside the protecting crust 3, the connecting block 31 is fixedly connected respectively to protecting crust 3 both sides, set up spout 311 in the connecting block 31, one side rigid coupling spring 6 one end in the spout 311, spring 6 other end rigid coupling slider 7, slider 7 sliding connection spout 311, one side rigid coupling slide bar 8 of slider 7 keeping away from spring 6, opening 313 is seted up to one side in the spout 311, slide bar 8 sliding connection opening 313, slide bar 8 one side rigid coupling limiting block 9, fixed block 10 is fixedly connected respectively at mounting panel 1 top surface both ends, limiting groove 101 is seted up to fixed block 10 one side, limiting block 9 contacts limiting groove 101, limiting block 9 is received spring 6 resilience card and is gone into limiting groove 101 and is connected with mounting panel 1 for protecting crust 3, can effectively protect knife switch main part 2.
As shown in fig. 6 to 9, the spring 6 is wound by a wire to form a spiral shape, as shown in fig. 8, the longitudinal section of the wire is oblate, and an included angle α is formed between the longitudinal section and the central axis of the compression spring, and the included angle α can be adjusted according to the required stroke of the spring 6.
Further, the spring 6 includes a plurality of spring coils, the longitudinal section of the spring coils passing through the central shaft is an oblique oblate which is respectively arranged at two sides of the central shaft, and an included angle between the oblique oblate and the central shaft is an included angle alpha. And the outer diameters of the coils are gradually decreased along the contraction direction of the spring 6, so that in the complete compression state of the spring 6, the outer surface of the former coil is attached to the inner surface of the latter coil along the contraction direction, as shown in fig. 9, and in detail, in the natural state, a certain gap is formed between the coil 601 and the adjacent coil 602, and in the complete compression state, the coil 601 moves to the position of the coil indicated by the dotted line in the drawing, and the outer surface of the coil 601 is attached to the inner surface of the adjacent coil 602, i.e. the coils overlap each other. The travel of the coils is thus greater than the gap between adjacent coils, so that the travel of the spring 6 is greater than the sum of the gaps between all coils. The travel that can be achieved by the spring 6 described in this embodiment is greater than that achieved by a conventional spring.
It is noted that the stroke of the spring coil in the present utility model is the distance between the initial position of the spring coil and the compressed position, and the stroke of the spring 6 is the distance between the initial position of the spring 6 and the compressed position. In the process of manufacturing the spring, the included angle alpha can be adjusted according to the required spring travel and the spring clearance, and the travel of the spring 6 is larger along with the larger included angle alpha, so that the included angle alpha between the longitudinal section and the central shaft of the spring 6 can be adjusted according to the required travel of the spring 6 without increasing the number of turns of the compression spring, and the installation space of the compression spring is reduced.
Further, in the free state, the axial width of the spring ring is larger than the gap between two adjacent spring rings, so that the spring 6 cannot be clamped in the gap of another spring in the process of transporting a plurality of compression springs in the packaging bag, the mutual winding connection among a plurality of springs is avoided, manual separation is not needed during use, the production efficiency is greatly improved, and the cost is saved.
Further, arc chamfers are arranged on the end faces of the spring rings, so that contact between two adjacent spring rings of the spring 6 is facilitated in the compression process.
Example 2
Referring to fig. 1-5, in a second embodiment of the present utility model, based on the previous embodiment, one side of the sliding block 7 is fixedly connected with a toggle block 71, one side of the sliding slot 311 is provided with a toggle slot 314, and the toggle block 71 is slidably connected with the toggle slot 314, so as to facilitate moving the sliding block 7.
The baffle 711 is fixedly connected to one side of the stirring block 71, the sliding groove 3141 is formed in one side of the stirring groove 314, the baffle 711 is in sliding connection with the sliding groove 3141, the baffle 711 is in sliding connection with the stirring groove 314, when the sliding block 7 moves, the stirring block 71 and the baffle 711 move along with the sliding block, and the baffle 711 can shield and protect the structure in the sliding groove 311.
Limiting blocks 72 are fixedly connected to the top surface and the bottom surface of the sliding block 7 respectively, limiting grooves 312 are formed in the inner top surface and the bottom surface of the sliding groove 311 respectively, the limiting blocks 72 are slidably connected with the limiting grooves 312, the limiting blocks 72 and the limiting grooves 312 are arranged, stability of the sliding block 7 during moving is improved, and the moving range of the sliding block 7 is limited.
The two ends of the top surface of the mounting plate 1 are fixedly connected with the fixing plates 4 respectively, and a rotating shaft 41 is fixedly connected between one sides of the two fixing plates 4, which are mutually close.
One side of the protective shell 3 is fixedly connected with one side of the connecting piece 51, the other side of the connecting piece 51 is fixedly connected with the sleeve 5, the sleeve 5 is rotationally connected with the rotating shaft 41, and the protective shell 3 can be rotated to open and close the protective shell 3, so that the knife switch main body 2 is convenient to use.
Example 3
Referring to fig. 1-5, in a third embodiment of the present utility model, in actual use, the knife body 2 is installed by the installation plate 1, when the knife body 2 is used, the toggle blocks 71 at two ends are toggled to drive the slide block 7, the slide rod 8 and the limiting block 9 to move upwards, the limiting block 9 is separated from the limiting groove 101 to limit the limiting block, the protective shell 3 is turned to open to use the knife body 2, when the knife body 2 is not used, the toggle blocks 71 at two ends are toggled to drive the slide block 7, the slide rod 8 and the limiting block 9 to move upwards, the spring 6 is stretched, when the protective shell 3 is turned to contact the installation plate 1, the toggle blocks 71 at two ends are released to enable the limiting block 9 to be clamped in the limiting groove 101 under the influence of resilience of the spring 6, the position of the protective shell 3 can be fixed, the knife body 2 inside the protective shell 3 is effectively protected, the protective function is improved, and improper use of the knife body 2 caused by exposure to the outside when the protective shell 3 is not used is prevented, and safety is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high-voltage isolator closing mechanism, includes mounting panel (1), its characterized in that: the utility model discloses a switch blade, including mounting panel (1), switch blade main part (2) are located inside protective housing (3), protective housing (3) both sides rigid coupling connecting block (31) respectively, set up spout (311) in connecting block (31), one side rigid coupling spring (6) one end in spout (311), spring (6) other end rigid coupling slider (7), slider (7) sliding connection spout (311), one side rigid coupling slide bar (8) of spring (6) are kept away from to slider (7), opening (313) are seted up to one side in spout (311), slide bar (8) sliding connection opening (313), fixed block (9) are fixed to slide bar (8) one side, fixed block (10) are fixed respectively at mounting panel (1) top surface both ends, limit groove (101) are set up to fixed block (10) one side, limit block (9) contact limit groove (101).
The spring (6) is coiled into a spiral shape by a metal wire, the longitudinal section of the metal wire is oblate, an included angle is formed between the longitudinal section and the central shaft of the compression spring, and the size of the included angle is adjustable so as to be suitable for the stroke of the required compression spring.
2. The high voltage isolator-switch-on mechanism according to claim 1, wherein: one side of the sliding block (7) is fixedly connected with a stirring block (71), one side of the sliding groove (311) is provided with a stirring groove (314), and the stirring block (71) is slidably connected with the stirring groove (314).
3. The high voltage isolator-switch-on mechanism according to claim 2, wherein: the baffle (711) is fixedly connected to one side of the stirring block (71), the sliding groove (3141) is formed in one side of the stirring groove (314), the baffle (711) is connected with the sliding groove (3141) in a sliding mode, and the baffle (711) is connected with the stirring groove (314) in a sliding mode.
4. A high voltage isolator-switch-on mechanism as claimed in claim 3, wherein: limiting blocks (72) are fixedly connected to the top surface and the bottom surface of the sliding block (7) respectively, limiting grooves (312) are formed in the inner top surface and the bottom surface of the sliding groove (311) respectively, and the limiting blocks (72) are connected with the limiting grooves (312) in a sliding mode.
5. The high voltage isolator-switch-on mechanism as claimed in claim 4, wherein: the two ends of the top surface of the mounting plate (1) are fixedly connected with the fixing plates (4) respectively, and a rotating shaft (41) is fixedly connected between one sides of the two fixing plates (4) which are close to each other.
6. The high voltage isolator-switch-on mechanism as claimed in claim 5, wherein: one side of the protective shell (3) is fixedly connected with one side of the connecting piece (51), the other side of the connecting piece (51) is fixedly connected with the sleeve (5), and the sleeve (5) is rotationally connected with the rotating shaft (41).
7. The high voltage isolator-switch-on mechanism according to claim 1, wherein: the spring (6) comprises a plurality of spring rings, and the longitudinal section of the spring rings passing through the central shaft is an oblique oblate which is respectively arranged at two sides of the central shaft; the outer diameter of the coil is gradually decreased along the contraction direction of the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183351.8U CN220651889U (en) | 2023-08-15 | 2023-08-15 | High-voltage isolating switch closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183351.8U CN220651889U (en) | 2023-08-15 | 2023-08-15 | High-voltage isolating switch closing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651889U true CN220651889U (en) | 2024-03-22 |
Family
ID=90291166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322183351.8U Active CN220651889U (en) | 2023-08-15 | 2023-08-15 | High-voltage isolating switch closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651889U (en) |
-
2023
- 2023-08-15 CN CN202322183351.8U patent/CN220651889U/en active Active
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