Novel high-voltage vacuum switch tube

Abstract

The utility model relates to the technical field of high-voltage devices, in particular to a novel high-voltage vacuum switch tube, which comprises a first shell and a second shell, a connecting assembly is mounted on the outer surface of the first shell and comprises a first fixing seat, a connecting rod is fixedly connected to the side surface of the first fixing seat, and a stud is fixedly connected to one end of the connecting rod. A second fixing seat is fixedly connected to the outer surface of the second shell, a through hole is formed in the side surface of the second fixing seat, a containing groove is formed in the inner surface of the through hole, an annular groove is formed in the outer surface of the second fixing seat, a rotating seat is arranged in the containing groove, and a gear ring is fixedly connected to the outer surface of the rotating seat; a rotating ring is arranged on the outer surface of the second fixing seat, and a gear ring is fixedly connected to the inner surface of the rotating ring. According to the utility model, the interfaces of the two ceramic shells can be rapidly and conveniently corresponding and fixed, time and labor are saved, and welding installation of the vacuum switch tube is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage devices, in particular to a novel high-voltage vacuum switch tube. Background Art

[0002] Vacuum switch tube, also known as vacuum interrupter, is the core component of medium and high voltage power switch. Its main function is to quickly extinguish the arc and suppress the current after the medium and high voltage circuit is cut off from the power supply through the excellent insulation of the vacuum inside the tube, so as to avoid accidents and unexpected events. It is mainly used in power transmission and distribution control systems, and also in power distribution systems such as metallurgy, petroleum, and chemical industry. It has the characteristics of energy saving, material saving, fire prevention, explosion prevention, small size, long life, low maintenance cost, reliable operation and no pollution.

[0003] In the current existing technology, in order to ensure the vacuum requirement inside the vacuum switch tube, the two outer ceramic shells need to ensure the consistency of the interface during welding, and there must be no misalignment. This requires a lot of time to align the two ceramic shells during welding, which is time-consuming and labor-intensive and inconvenient for welding the vacuum switch tube. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a new type of high-voltage vacuum switch tube.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a new type of high-voltage vacuum switch tube, comprising a first shell and a second shell, a connecting component is installed on the outer surface of the first shell, the connecting component comprises a first fixing seat, the inner surface of the first fixing seat is fixedly connected to the outer surface of the first shell, the side surface of the first fixing seat is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a stud, the outer surface of the second shell is fixedly connected to the second fixing seat, the side surface of the second fixing seat is provided with a through hole, the inner surface of the through hole is provided with a receiving groove, the outer surface of the second fixing seat is provided with an annular groove, a rotating seat is arranged inside the receiving groove, the outer surface of the rotating seat is fixedly connected to a gear ring, the outer surface of the second fixing seat is provided with a rotating ring, the inner surface of the rotating ring is fixedly connected to a gear ring, and the gear ring is meshed with the gear ring.

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

[0007] The number of the connecting rods, studs, through holes, accommodating grooves and rotating seats is two, and the two connecting rods, studs, through holes, accommodating grooves and rotating seats are mirror-symmetrical along the central axis of the first shell.

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

[0009] A static sealing seat is fixedly connected to the inner surface of the second shell, a static conductive rod is fixedly connected to the interior of the static sealing seat, one end of the static conductive rod passes through the interior of the static sealing seat and extends to the interior of the second shell, and one end of the static conductive rod is fixedly connected to a static contact.

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

[0011] A dynamic sealing seat is fixedly connected to the inner surface of the first shell, a dynamic conductive rod is movably connected inside the dynamic sealing seat, one end of the dynamic conductive rod passes through the interior of the dynamic sealing seat and extends to the interior of the first shell, and one end of the dynamic conductive rod is fixedly connected to a dynamic contact.

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

[0013] A bellows is fixedly connected to the side surface of the dynamic sealing seat, and the inner surface of the bellows is movably connected to the outer surface of the dynamic conductive rod.

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

[0015] A shielding cylinder is fixedly connected to the inner surface of the second shell, and the shielding cylinder is located between the static contact and the moving contact.

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

[0017] Compared with the prior art, the novel high-voltage vacuum switch tube is provided with a first shell, a second shell and a connecting assembly. When welding, the welding ends of the first shell and the second shell are aligned, the connecting rod is aligned with the position of the through hole, and the stud is inserted into the through hole and threadedly connected with the rotating seat. The rotating ring is rotated to drive the gear ring to rotate, and the gear ring drives the rotating seat to rotate. Then, the threaded connection between the rotating seat and the stud is further deepened, so that the relative position of the first fixing seat and the second fixing seat is determined, that is, the relative position of the first shell and the second shell is determined, and welding can be performed. After welding, a gripping handle is formed between the first fixing seat, the connecting rod and the second fixing seat. Compared with the current existing technology, in order to ensure the vacuum requirement inside the vacuum switch tube, the two outer ceramic shells need to ensure the consistency of the interface during welding, and there must be no misalignment, so that it takes a lot of time to align the two ceramic shells during welding, which is time-consuming and labor-intensive, and inconvenient for welding the vacuum switch tube. This new type of high-voltage vacuum switch tube can quickly and conveniently align and fix the interfaces of the two ceramic shells, saving time and labor, and facilitating the welding and installation of the vacuum switch tube. At the same time, the gripping handle formed after welding can facilitate the staff to hold, and avoid the staff's hands slipping and causing the vacuum switch tube to be broken. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the overall structure from a first-view perspective of a novel high-voltage vacuum switch tube proposed by the utility model;

[0019] Figure 2 A second-view overall structural diagram of a novel high-voltage vacuum switch tube proposed by the utility model;

[0020] Figure 3 A half-section diagram of the internal structure of a novel high-voltage vacuum switch tube proposed in the utility model;

[0021] Figure 4 A new type of high voltage vacuum switch tube proposed by the utility model Figure 3 A magnified view of the structure in the middle.

[0022] Legend:

[0023] 1. First shell; 2. Second shell; 3. Connecting assembly; 301. First fixing seat; 302. Connecting rod; 303. Stud; 304. Second fixing seat; 305. Through hole; 306. Accommodating groove; 307. Annular groove; 308. Rotating seat; 309. Gear ring; 310. Rotating ring; 311. Gear ring; 4. Static sealing seat; 5. Static conductive rod; 6. Static contact; 7. Dynamic sealing seat; 8. Dynamic conductive rod; 9. Dynamic contact; 10. Bellows; 11. Shielding tube. DETAILED DESCRIPTION

[0024] Reference Figure 1-4The utility model provides a new type of high-voltage vacuum switch tube: comprising a first shell 1 and a second shell 2. A connecting assembly 3 is installed on the outer surface of the first shell 1. The connecting assembly 3 comprises a first fixing seat 301. The inner surface of the first fixing seat 301 is fixedly connected to the outer surface of the first shell 1. A connecting rod 302 is fixedly connected to the side surface of the first fixing seat 301. The connecting rod 302 can form a gripping handle after welding, which is convenient for the staff to hold and can avoid directly grasping the first shell 1 and the second shell 2 to cause the hand to slip and fall. One end of the connecting rod 302 is fixed to the connecting handle. The second housing 2 is connected with a stud 303, and the outer surface of the second housing 2 is fixedly connected with a second fixing seat 304, and the side surface of the second fixing seat 304 is provided with a through hole 305, and the inner surface of the through hole 305 is provided with a receiving groove 306, and the outer surface of the second fixing seat 304 is provided with an annular groove 307, and the interior of the receiving groove 306 is provided with a rotating seat 308, and the inner surface of the rotating seat 308 is threadedly connected with the outer surface of the stud 303, and the outer surface of the rotating seat 308 is fixedly connected with a gear ring 309, and the outer surface of the second fixing seat 304 is provided with a rotating ring 310, and the inner surface of the rotating ring 310 is provided with a rotating ring 310. The surface is fixedly connected with a toothed ring 311, which meshes with the toothed ring 309. The toothed ring 311 can be driven to rotate by the rotating ring 310, so that the toothed ring 309 drives the rotating seat 308 to rotate, so that the stud 303 gradually penetrates, and the first shell 1 and the second shell 2 gradually approach and stick together, which is convenient for welding. The number of connecting rods 302, studs 303, through holes 305, accommodating grooves 306 and rotating seats 308 is two, and the two connecting rods 302, studs 303, through holes 305, accommodating grooves 306 and rotating seats 308 are all along the middle of the first shell 1. The axis is mirror-symmetrical. When welding, the welding ends of the first shell 1 and the second shell 2 are aligned, the connecting rod 302 corresponds to the position of the through hole 305, and the stud 303 enters the through hole 305 and is threadedly connected with the rotating seat 308. The rotating ring 310 is rotated to drive the gear ring 311 to rotate, and the gear ring 309 drives the rotating seat 308 to rotate, so that the threaded connection between the rotating seat 308 and the stud 303 is deeper, so that the relative position of the first fixing seat 301 and the second fixing seat 304 is determined, that is, the relative position of the first shell 1 and the second shell 2 is determined, and welding can be performed.

[0025] The inner surface of the second housing 2 is fixedly connected with a static sealing seat 4, and the interior of the static sealing seat 4 is fixedly connected with a static conductive rod 5, one end of the static conductive rod 5 passes through the interior of the static sealing seat 4 and extends to the interior of the second housing 2, and one end of the static conductive rod 5 is fixedly connected with a static contact 6, and the inner surface of the first housing 1 is fixedly connected with a dynamic sealing seat 7, and the interior of the dynamic sealing seat 7 is movably connected with a dynamic conductive rod 8, one end of the dynamic conductive rod 8 passes through the interior of the dynamic sealing seat 7 and extends to the interior of the first housing 1, and one end of the dynamic conductive rod 8 is fixedly connected with a dynamic contact 9, and the dynamic contact 9 contacts with the static contact 6, thereby forming a connection, that is, a passage is formed, and vice versa. The moving contact 9 is separated from the static contact 6, that is, disconnected. The side surface of the dynamic sealing seat 7 is fixedly connected with a bellows 10. The inner surface of the bellows 10 is movably connected with the outer surface of the moving conductive rod 8. The bellows 10 acts as an isolation between the vacuum chamber inside the first shell 1 and the second shell 2 and the outside world, which can prevent external impurities from entering the vacuum chamber and ensure the purity of the vacuum environment. The inner surface of the second shell 2 is fixedly connected with a shielding tube 11, which is located between the static contact 6 and the moving contact 9. The shielding tube 11 has a good electromagnetic shielding function, which can effectively suppress the interference of electromagnetic waves and facilitate the use of the vacuum switch tube.

[0026] Working principle: During welding, align the welding ends of the first shell 1 and the second shell 2, make the connecting rod 302 correspond to the position of the through hole 305, and make the stud 303 enter the through hole 305 and threadedly connect with the rotating seat 308, rotate the rotating ring 310, drive the gear ring 311 to rotate, and make the gear ring 309 drive the rotating seat 308 to rotate, so that the threaded connection between the rotating seat 308 and the stud 303 is deeper, so that the relative position of the first fixed seat 301 and the second fixed seat 304 is determined, that is, the relative position of the first shell 1 and the second shell 2 is determined, and welding can be carried out.

[0027] 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 novel high-voltage vacuum switch tube, comprising a first housing (1) and a second housing (2), characterized in that: A connecting assembly (3) is installed on the outer surface of the first housing (1), the connecting assembly (3) comprising a first fixing seat (301), the inner surface of the first fixing seat (301) being fixedly connected to the outer surface of the first housing (1), a connecting rod (302) being fixedly connected to the side surface of the first fixing seat (301), one end of the connecting rod (302) being fixedly connected to a stud (303), the outer surface of the second housing (2) being fixedly connected to a second fixing seat (304), the side surface of the second fixing seat (304) being provided with a through hole (303) 05), a receiving groove (306) is provided on the inner surface of the through hole (305), an annular groove (307) is provided on the outer surface of the second fixed seat (304), a rotating seat (308) is provided inside the receiving groove (306), a gear ring (309) is fixedly connected to the outer surface of the rotating seat (308), a rotating ring (310) is provided on the outer surface of the second fixed seat (304), a gear ring (311) is fixedly connected to the inner surface of the rotating ring (310), and the gear ring (311) is meshed with the gear ring (309).

2. A novel high-voltage vacuum switch tube according to claim 1, characterized in that: The number of the connecting rod (302), the stud (303), the through hole (305), the receiving groove (306) and the rotating seat (308) is two, and the two connecting rods (302), the stud (303), the through hole (305), the receiving groove (306) and the rotating seat (308) are mirror-symmetrical along the central axis of the first housing (1).

3. The novel high-voltage vacuum switch tube according to claim 1 is characterized in that: A static sealing seat (4) is fixedly connected to the inner surface of the second housing (2), a static conductive rod (5) is fixedly connected to the interior of the static sealing seat (4), one end of the static conductive rod (5) passes through the interior of the static sealing seat (4) and extends to the interior of the second housing (2), and one end of the static conductive rod (5) is fixedly connected to a static contact (6).

4. The novel high-voltage vacuum switch tube according to claim 1 is characterized in that: A dynamic sealing seat (7) is fixedly connected to the inner surface of the first housing (1), a dynamic conductive rod (8) is movably connected to the interior of the dynamic sealing seat (7), one end of the dynamic conductive rod (8) passes through the interior of the dynamic sealing seat (7) and extends to the interior of the first housing (1), and one end of the dynamic conductive rod (8) is fixedly connected to a dynamic contact (9).

5. The novel high-voltage vacuum switch tube according to claim 4 is characterized in that: A bellows (10) is fixedly connected to the side surface of the dynamic sealing seat (7), and the inner surface of the bellows (10) is movably connected to the outer surface of the dynamic conductive rod (8).

6. The novel high-voltage vacuum switch tube according to claim 1 is characterized in that: A shielding cylinder (11) is fixedly connected to the inner surface of the second housing (2), and the shielding cylinder (11) is located between the static contact (6) and the moving contact (9).

Images