Enhanced external insulation type vacuum switch tube

Abstract

The utility model relates to the technical field of vacuum switch tubes, in particular to an enhanced external insulation type vacuum switch tube, which comprises a first shell, an upper protective shell is sleeved on the outer surface of the first shell, a first moving groove is arranged on the lower surface of the upper protective shell, and a second moving groove is arranged in the upper protective shell. A rotating groove is formed in the upper protective shell, a lower protective shell is arranged below the upper protective shell, a third moving groove is formed in the lower protective shell, a rotating ring is in threaded connection with the outer surface of the lower protective shell, a rotating groove is formed in the rotating ring, and a rotating pin is arranged in the rotating groove; the rear side face of the rotating pin is fixedly connected with a moving strip, and the upper surface of the moving strip is fixedly connected with a clamping pin. According to the utility model, the structure is reasonable, the upper protection shell and the lower protection shell are convenient to disassemble and assemble, and the insulation shell is more convenient to maintain and replace.

Description

Technical Field

[0001] The utility model relates to the field of vacuum switch tubes, in particular to a vacuum switch tube with enhanced external insulation. Background Art

[0002] An enhanced external insulation type vacuum switch tube is an innovatively designed power component. The main feature of the switch tube is its enhanced external insulation performance, which is achieved by adopting special structures and materials. This design enables the switch tube to maintain stable insulation performance even under harsh environmental conditions, thereby ensuring the safe operation of the power system.

[0003] However, arcing, breakdown and other phenomena that may occur in the existing vacuum switch tube during operation greatly affect its stable operation and easily lead to accidents. The existing treatment method is usually to set an insulating shell on the outside of the vacuum switch tube, but the insulating shell is easily worn out during long-term use of the vacuum switch tube and needs to be maintained and replaced regularly. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vacuum switch tube with enhanced external insulation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a reinforced external insulation type vacuum switch tube, comprising a first shell, an upper protective shell is sleeved on the outer surface of the first shell, a first movable groove is opened on the lower surface of the upper protective shell, a second movable groove is opened inside the upper protective shell, a rotating groove is opened inside the upper protective shell, a lower protective shell is arranged below the upper protective shell, a third movable groove is arranged inside the lower protective shell, a rotating ring is threadedly connected to the outer surface of the lower protective shell, a rotating groove is opened inside the rotating ring, a rotating pin is arranged inside the rotating groove, a moving bar is fixedly connected to the rear side of the rotating pin, and a locking pin is fixedly connected to the upper surface of the moving bar.

[0006] As a further description of the above technical solution:

[0007] The first moving groove is connected to the second moving groove, the second moving groove is connected to the rotation groove, and the moving bar is located inside the third moving groove.

[0008] As a further description of the above technical solution:

[0009] A magnet tube is disposed inside the first housing, a first conductive rod is fixedly connected to the lower surface of the magnet tube, and a first contact is fixedly connected to the outer surface of the first conductive rod.

[0010] As a further description of the above technical solution:

[0011] A rear end cover is arranged below the first contact, and a second conductive rod is fixedly connected to the inner surface of the rear end cover.

[0012] As a further description of the above technical solution:

[0013] A second contact is fixedly connected to the outer surface of the second conductive rod, and the second contact is located below the first contact.

[0014] As a further description of the above technical solution:

[0015] The lower surface of the rear end cover is fixedly connected with a first protective member, the lower surface of the first protective member is fixedly connected with a second protective member, and the outer surface of the second protective member is fixedly connected with a bellows.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the enhanced external insulation type vacuum switch tube, through the upper protective shell, the lower protective shell, the bayonet, the first moving groove, the rotating ring, the rotating pin, the moving bar, the rotating groove and the second moving groove, makes the upper protective shell fit with the lower protective shell, makes the bayonet and the first moving groove be located at the same position, rotates the rotating ring, thereby driving the rotating ring to move upward along the lower protective shell, thereby driving the rotating pin to move upward, thereby driving the moving bar to move upward, thereby driving the bayonet to move upward to the top of the first moving groove, rotates the upper protective shell, so that the bayonet rotates in the rotating groove, so that the bayonet moves to the inside of the second moving groove, rotates The movable ring causes the bayonet to move to the bottom of the second movable groove. At this time, the upper protective shell and the lower protective shell are installed. Compared with the existing vacuum switch tube, arcing, breakdown and other phenomena that may occur during operation greatly affect its stable operation and easily lead to accidents. The existing treatment method is usually to set an insulating shell on the outside of the vacuum switch tube, but the insulating shell is very easy to wear during the long-term use of the vacuum switch tube, and regular maintenance and replacement are required. The enhanced external insulation type vacuum switch tube, the upper protective shell and the lower protective shell are easy to disassemble and assemble, and it is more convenient to maintain and replace the insulating shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a vacuum switch tube with enhanced external insulation proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of the overall structure of a vacuum switch tube with enhanced external insulation proposed by the utility model;

[0020] Figure 3 This is a partial structural cross-sectional view of a vacuum switch tube with enhanced external insulation proposed by the utility model;

[0021] Figure 4 This is a partial structural schematic diagram of a reinforced external insulation type vacuum switch tube proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of a moving strip of a vacuum switch tube of enhanced external insulation type proposed by the utility model;

[0023] Figure 6 The utility model provides a schematic diagram of the structure of the rotating ring of the enhanced external insulation type vacuum switch tube.

[0024] Legend:

[0025] 1. First shell; 2. Upper protective shell; 3. Lower protective shell; 4. Rotating ring; 5. Rotating groove; 6. First movable groove; 7. Second movable groove; 8. Rotating groove; 9. Third movable groove; 10. Moving bar; 11. Rotating pin; 12. Bayonet pin; 13. Magnet tube; 14. First conductive rod; 15. First contact; 16. Rear end cover; 17. Second conductive rod; 18. Second contact; 19. First protective member; 20. Second protective member; 21. Bellows. DETAILED DESCRIPTION

[0026] Reference Figure 1-6 The utility model provides an enhanced external insulation type vacuum switch tube: comprising a first shell 1, the material used for the first shell 1 is an insulating material, the outer surface of the first shell 1 is sleeved with an upper protective shell 2, the material used for the upper protective shell 2 is an insulating material, the lower surface of the upper protective shell 2 is provided with a first moving groove 6, the interior of the upper protective shell 2 is provided with a second moving groove 7, the interior of the upper protective shell 2 is provided with a rotating groove 8, a lower protective shell 3 is provided below the upper protective shell 2, the material used for the lower protective shell 3 is an insulating material, the interior of the lower protective shell 3 is provided with a third moving groove 9, the outer surface of the lower protective shell 3 is threadedly connected with a swivel 4, so that the upper protective shell 2 and the lower protective shell 3 are fitted together, so that the bayonet 12 is located in the first moving groove 6 At the same position, rotate the swivel 4, thereby driving the swivel 4 to move upward along the lower protective shell 3, thereby driving the rotating pin 11 to move upward, thereby driving the moving bar 10 to move upward, thereby driving the bayonet 12 to move upward to the top of the first moving groove 6, rotate the upper protective shell 2, so that the bayonet 12 rotates in the rotating groove 8, so that the bayonet 12 moves to the inside of the second moving groove 7, rotate the swivel 4, thereby moving the bayonet 12 to the bottom of the second moving groove 7, at this time, the upper protective shell 2 and the lower protective shell 3 are installed, and a rotating groove 5 is opened inside the swivel 4, and a rotating pin 11 is arranged inside the rotating groove 5, the rear side of the rotating pin 11 is fixedly connected to the moving bar 10, and the upper surface of the moving bar 10 is fixedly connected to the bayonet 12.

[0027] The first movable groove 6 is connected with the second movable groove 7, the second movable groove 7 is connected with the rotating groove 8, the movable bar 10 is located inside the third movable groove 9, a magnet tube 13 is arranged inside the first shell 1, a first conductive rod 14 is fixedly connected to the lower surface of the magnet tube 13, a first contact 15 is fixedly connected to the outer surface of the first conductive rod 14, a rear end cover 16 is arranged below the first contact 15, a second conductive rod 17 is fixedly connected to the inner surface of the rear end cover 16, a second conductive rod 18 is fixedly connected to the outer surface of the second conductive rod 17, the second contact 18 is located below the first contact 15, a first protective member 19 is fixedly connected to the lower surface of the rear end cover 16, a second protective member 20 is fixedly connected to the lower surface of the first protective member 19, and a bellows 21 is fixedly connected to the outer surface of the second protective member 20.

[0028] Working principle: make the upper protective shell 2 fit with the lower protective shell 3, make the pin 12 and the first movable groove 6 in the same position, rotate the swivel 4, and then drive the swivel 4 to move upward along the lower protective shell 3, and then drive the rotating pin 11 to move upward, and then drive the moving bar 10 to move upward, and then drive the pin 12 to move upward to the top of the first movable groove 6, rotate the upper protective shell 2, so that the pin 12 rotates in the rotating groove 8, so that the pin 12 moves to the inside of the second movable groove 7, rotate the swivel 4, and then the pin 12 moves to the bottom of the second movable groove 7. At this time, the upper protective shell 2 and the lower protective shell 3 are installed.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum switch tube of enhanced external insulation type, comprising a first housing (1), characterized in that: The outer surface of the first shell (1) is sleeved with an upper protective shell (2), the lower surface of the upper protective shell (2) is provided with a first movable groove (6), the interior of the upper protective shell (2) is provided with a second movable groove (7), the interior of the upper protective shell (2) is provided with a rotation groove (8), a lower protective shell (3) is provided below the upper protective shell (2), the interior of the lower protective shell (3) is provided with a third movable groove (9), the outer surface of the lower protective shell (3) is threadedly connected with a rotating ring (4), the interior of the rotating ring (4) is provided with a rotation groove (5), the interior of the rotation groove (5) is provided with a rotation pin (11), the rear side of the rotation pin (11) is fixedly connected with a moving bar (10), and the upper surface of the moving bar (10) is fixedly connected with a latch pin (12).

2. The reinforced external insulation type vacuum switch tube according to claim 1, characterized in that: The first movable groove (6) is connected to the second movable groove (7), the second movable groove (7) is connected to the rotation groove (8), and the movable bar (10) is located inside the third movable groove (9).

3. The reinforced external insulation type vacuum switch tube according to claim 1, characterized in that: A magnet tube (13) is arranged inside the first housing (1), a first conductive rod (14) is fixedly connected to the lower surface of the magnet tube (13), and a first contact (15) is fixedly connected to the outer surface of the first conductive rod (14).

4. The reinforced external insulation type vacuum switch tube according to claim 3, characterized in that: A rear end cover (16) is provided below the first contact (15), and a second conductive rod (17) is fixedly connected to the inner surface of the rear end cover (16).

5. The reinforced external insulation type vacuum switch tube according to claim 4, characterized in that: A second contact (18) is fixedly connected to the outer surface of the second conductive rod (17), and the second contact (18) is located below the first contact (15).

6. The reinforced external insulation type vacuum switch tube according to claim 4, characterized in that: The lower surface of the rear end cover (16) is fixedly connected to a first protective member (19), the lower surface of the first protective member (19) is fixedly connected to a second protective member (20), and the outer surface of the second protective member (20) is fixedly connected to a bellows (21).

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