Multifunctional cylinder for knob insulator type circuit breaker

Abstract

The utility model relates to the technical field of power transmission of high-voltage combined electric appliances, in particular to a multifunctional barrel for a knob insulator type circuit breaker, which comprises a shell, an adsorbent assembling and mounting seat and an explosion-proof device mounting seat. The adsorbent assembling and mounting seat is mounted at one end of the shell, a butt flange is arranged on the peripheral surface of the adsorbent assembling and mounting seat, a threaded blind hole a is formed in the end surface, far away from the shell, of the adsorbent assembling and mounting seat, and a gas channel is formed in the adsorbent assembling and mounting seat; the explosion-proof device mounting seat is mounted at the other end of the shell, a vent hole is formed in the explosion-proof device mounting seat, and a threaded blind hole b is formed in the end face, away from the shell, of the explosion-proof device mounting seat. According to the multifunctional cylinder for the knob insulator type circuit breaker provided by the utility model, the explosion-proof device and the adsorbent structure are assembled and placed on the same cylinder, the multifunctional and diversified user requirements are met, and the multifunctional cylinder is simple in structure, easy to manufacture, high in practicability and wide in application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to high voltage combined electric appliance power transmission technical field, concretely relates to a multifunctional cylinder for porcelain column type circuit breaker. BACKGROUND

[0002] With the rapid development of economy, the demand of electric power is more and more big, domestic and foreign high voltage alternating current column type circuit breaker market enters the period of rapid development, high voltage alternating current column type circuit breaker is outdoor three phase alternating current high voltage electric appliance, is used as the control and protection of electric power system, also can be used as tie circuit breaker, is the switch equipment that SF6 gas under certain pressure is used as insulating medium, with simple structure, reliability and other advantages has been widely used in electric system. And along with the long-term operation of high voltage alternating current column type circuit breaker equipment, the user's reliability requirement of equipment is higher and higher, in the guarantee equipment safe and stable operation, also want to facilitate maintenance, this requires each GIS gas chamber to be equipped with adsorbent assembly, explosion-proof sheet assembly and inflation valve seat assembly, but the existing porcelain column type circuit breaker shell cannot meet the demand of explosion-proof device and adsorbent assembly. SUMMARY

[0003] The utility model aims at the problems in the background art, and provides a multifunctional cylinder for porcelain column type circuit breaker.

[0004] The utility model discloses a multifunctional cylinder for porcelain column type circuit breaker, including the shell, adsorbent assembly mounting seat and explosion-proof device mounting seat.

[0005] Adsorbent assembly mounting seat is installed at one end of the shell, and a flange for connecting with the body shell of the circuit breaker is arranged on the outer circumferential surface of the adsorbent assembly mounting seat, a threaded blind hole a for matching the installation of adsorbent structure is arranged on the end face of the adsorbent assembly mounting seat away from the shell, and a gas passage for communicating with the circuit breaker gas chamber is arranged on the adsorbent assembly mounting seat.

[0006] Explosion-proof device mounting seat is installed at the other end of the shell, and a gas passage is arranged on the explosion-proof device mounting seat, and a threaded blind hole b for matching the installation of explosion-proof device is arranged on the end face of the explosion-proof device mounting seat away from the shell.

[0007] Preferably, the thickness of the flange is greater than the thickness of the adsorbent assembly mounting seat.

[0008] Preferably, a sealing groove a is arranged on the outer circumferential surface of the flange away from the shell.

[0009] Preferably, a plurality of threaded blind holes a are uniformly distributed in a circle around the central axis of the adsorbent assembly mounting seat.

[0010] Preferably, the distance between the gas channel and the central axis of the adsorbent assembly mounting base is greater than the distance between the threaded blind hole a and the central axis of the adsorbent assembly mounting base.

[0011] Preferably, the end face of the explosion-proof device mounting base away from the housing is provided with a sealing groove b.

[0012] Preferably, the multiple threaded blind holes b are evenly distributed in a circle around the central axis of the explosion-proof device mounting base.

[0013] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0014] The multi-functional cylinder for the porcelain column circuit breaker provided by this utility model integrates the explosion-proof device and the adsorbent structure on the same cylinder, which is simple in structure and ensures the reliable operation of the porcelain column circuit breaker. It meets the multi-functional and diversified user requirements, and its simple structure makes it easy to manufacture, highly practical, and has broad application prospects. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of one embodiment of the present invention.

[0016] Reference numerals: 1. Shell; 2. Connecting flange; 3. Gas passage; 4. Adsorbent assembly mounting base; 5. Threaded blind hole a; 6. Sealing groove a; 7. Threaded blind hole b; 8. Vent hole; 9. Sealing groove b; 10. Explosion-proof device mounting base. Detailed Implementation

[0017] Example 1

[0018] like Figure 1 As shown, the present invention proposes a multi-functional cylindrical body for a porcelain column circuit breaker, comprising a shell 1, an adsorbent assembly mounting base 4, and an explosion-proof device mounting base 10; the shell 1 is a hollow structure with openings at both ends;

[0019] The adsorbent assembly mounting seat 4 is mounted at one end of the shell 1, and a flange 2 for connecting with the body shell of the circuit breaker is arranged on the outer peripheral surface of the adsorbent assembly mounting seat 4; a plurality of mounting holes are uniformly arranged on the flange 2 in a circumferential direction, and the shell 1 and the shell of the porcelain column type circuit breaker form a closed tank body through the mounting holes and the body shell of the circuit breaker; a plurality of threaded blind holes a5 for mounting the adsorbent structure are arranged on the end surface of the adsorbent assembly mounting seat 4 away from the shell 1; the threaded blind holes a5 are uniformly distributed in a circumferential direction around the central axis of the adsorbent assembly mounting seat 4; and a plurality of gas passages 3 for communicating with the gas chamber of the circuit breaker are arranged on the adsorbent assembly mounting seat 4; the gas passages 3 are uniformly distributed in a circumferential direction around the central axis of the adsorbent assembly mounting seat 4; and the distance between the gas passages 3 and the central axis of the adsorbent assembly mounting seat 4 is greater than the distance between the threaded blind holes a5 and the central axis of the adsorbent assembly mounting seat 4.

[0020] The explosion-proof device mounting seat 10 is mounted at the other end of the shell 1, the explosion-proof device mounting seat 10 is provided with a ventilation hole 8 communicating with the inside of the shell 1, and the end surface of the explosion-proof device mounting seat 10 away from the shell 1 is provided with threaded blind holes b7 for mounting the explosion-proof device; a plurality of threaded blind holes b7 are uniformly distributed in a circumferential direction around the central axis of the ventilation hole 8, and the central axis of the ventilation hole 8 coincides with the central axis of the explosion-proof device mounting seat 10.

[0021] In an optional embodiment, the shell 1, the adsorbent assembly mounting seat 4 and the explosion-proof device mounting seat 10 are integrally arranged, or the shell 1 and the explosion-proof device mounting seat 10 are integrally arranged, and the shell 1 and the adsorbent assembly mounting seat 4 are connected through threaded cooperation, and the mounting mode of the three is selected according to needs.

[0022] Embodiment two

[0023] As shown in Figure 1 Compared with embodiment one, the thickness value of the flange 2 in the embodiment is greater than the thickness value of the adsorbent assembly mounting seat 4.

[0024] In an optional embodiment, a sealing groove a6 is arranged on the outer peripheral surface of the flange 2 away from the shell 1; and the sealing groove a6 is located on the inner side of the plurality of mounting holes arranged in a circumferential direction on the flange 2.

[0025] Embodiment three

[0026] As shown in Figure 1 Compared with embodiment one, the end surface of the explosion-proof device mounting seat 10 away from the shell 1 is provided with a sealing groove b9 in the embodiment; and the sealing groove b9 is located on the outer side of the ventilation hole 8.

[0027] A plurality of threaded blind holes b7 are evenly distributed in a circle with the central axis of the explosion-proof device mounting seat 10 as the center; the sealing groove b9 is located on the inner side of the plurality of threaded blind holes b7 distributed in a circle.

[0028] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range possessed by the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A multi-functional cylinder for a porcelain column circuit breaker, characterized in that, It includes a housing (1), an adsorbent assembly mounting base (4), and an explosion-proof device mounting base (10); The adsorbent assembly mounting base (4) is installed at one end of the housing (1). The outer peripheral surface of the adsorbent assembly mounting base (4) is provided with a flange (2) for connecting with the circuit breaker body housing. The end face of the adsorbent assembly mounting base (4) away from the housing (1) is provided with a threaded blind hole a (5) for fitting the adsorbent structure. The adsorbent assembly mounting base (4) is provided with a gas channel (3) for communicating with the circuit breaker gas chamber. An explosion-proof device mounting base (10) is installed at the other end of the housing (1). The explosion-proof device mounting base (10) is provided with a vent hole (8). The end face of the explosion-proof device mounting base (10) away from the housing (1) is provided with a threaded blind hole b (7) for installing the explosion-proof device.

2. The multifunctional cylinder for a porcelain column circuit breaker according to claim 1, characterized in that, The thickness of the mating flange (2) is greater than the thickness of the adsorbent assembly mounting base (4).

3. A multi-functional cylinder for a porcelain column circuit breaker according to claim 1 or 2, characterized in that, A sealing groove a (6) is provided on the outer peripheral surface of the mating flange (2) away from the shell (1).

4. The multi-functional cylinder for a porcelain column circuit breaker according to claim 1, characterized in that, Multiple threaded blind holes a(5) are evenly distributed around the central axis of the adsorbent assembly mounting base (4).

5. A multifunctional cylindrical body for a porcelain column circuit breaker according to claim 3, characterized in that, The distance between the gas channel (3) and the central axis of the adsorbent assembly mounting base (4) is greater than the distance between the threaded blind hole a (5) and the central axis of the adsorbent assembly mounting base (4).

6. A multifunctional cylindrical body for a porcelain column circuit breaker according to claim 1, characterized in that, The explosion-proof device mounting base (10) has a sealing groove b (9) on the end face away from the housing (1).

7. A multifunctional cylindrical body for a porcelain column circuit breaker according to claim 1, characterized in that, Multiple threaded blind holes b(7) are evenly distributed in a circle around the central axis of the explosion-proof device mounting base (10).

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