CN220020955U

CN220020955U - Knife switch with protection function for high-voltage switch

Info

Publication number: CN220020955U
Application number: CN202321535543.4U
Authority: CN
Inventors: 王晓锋
Original assignee: Nantong Hongming Machinery Technology Co ltd
Current assignee: Nantong Hongming Machinery Technology Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-14
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a knife switch with a protection function for a high-voltage switch, which comprises a mounting plate, wherein a knife switch main body is arranged on the mounting plate, the knife switch main body 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

Knife switch with protection function for high-voltage switch

Technical Field

The utility model relates to the technical field of high-voltage switches, in particular to a knife switch with a protection function for a high-voltage 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.

For this reason we propose a knife switch with protection function for high voltage switch to solve the above problems.

Disclosure of Invention

The present utility model is directed to a knife switch with protection function for high-voltage switch, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high tension switch is with knife switch that has safeguard function, includes the mounting panel, be equipped with the knife switch main part on the mounting panel, the knife switch main part is located inside the protecting crust, the connecting block is fixed respectively to protecting crust both sides, set up the spout in the connecting block, one side rigid coupling spring one end in the spout, spring other end rigid coupling slider, 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 mouth, slide bar one side rigid coupling limiting block, the fixed block is fixed respectively at mounting panel top surface both ends, limiting groove is seted up to fixed block one side, limiting block contact limiting groove.

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.

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 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.

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.

In the figure: 1. a mounting plate; 2. a blade body; 3. a protective shell; 31. a connecting block; 311. a chute; 312. a limit groove; 313. a through port; 314. a toggle groove; 3141. a sliding groove; 4. a fixing plate; 41. a rotating shaft; 5. a sleeve; 51. a connecting piece; 6. a spring; 7. a slide block; 71. a poking block; 711. a baffle; 72. a limiting block; 8. a slide bar; 9. defining a block; 10. a fixed block; 101. defining a slot.

Description of the embodiments

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

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 tension switch is with knife switch that has safeguard function, including mounting panel 1, be equipped with knife switch main part 2 on mounting panel 1, knife switch main part 2 is located inside the protecting crust 3, the connecting block 31 is fixed 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, the other end rigid coupling slider 7 of spring 6, 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, the fixed block 10 is fixed 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 in spring 6 resilience card to go into limiting groove 101 and is connected with mounting panel 1 for protecting crust 3, can effectively protect knife switch main part 2.

Examples

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.

Examples

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

1. Knife switch with protection function for high-voltage switch, including mounting panel (1), its characterized in that: be equipped with knife switch main part (2) on mounting panel (1), knife switch main part (2) are located inside protecting crust (3), connecting block (31) are fixedly connected respectively to protecting crust (3) both sides, 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), slide bar (8) one side rigid coupling limiting block (9), fixed block (10) are fixedly connected respectively at mounting panel (1) top surface both ends, limiting groove (101) are seted up to fixed block (10) one side, limiting block (9) contact limiting groove (101).

2. A knife switch with protection function for high voltage switch according to claim 1, characterized in that: 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. A knife switch with protection function for high voltage switch according to claim 2, characterized in that: 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 knife switch with protection function for high voltage switch 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 knife switch with protection function for high voltage switch 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 knife switch with protection function for high voltage switch of 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).