Improved vacuum arc-extinguishing chamber

Abstract

The utility model discloses an improved vacuum arc-extinguishing chamber, comprising a vacuum arc-extinguishing chamber main body and a mounting plate, the mounting plate is provided with a mounting groove, the vacuum arc-extinguishing chamber main body is arranged in the mounting groove, two sides of the vacuum arc-extinguishing chamber main body are fixedly connected with alignment plates, and the alignment plates are fixedly connected with the vacuum arc-extinguishing chamber main body. An alignment groove corresponding to the alignment plate is formed in the inner side wall of the mounting groove, a sliding groove is formed in the alignment plate, two moving plates are slidably connected into the sliding groove, a plurality of elastic mechanisms are fixedly connected between the two moving plates, and abutting plates are fixedly connected to the opposite sides of the two moving plates; the bottom of one end of the pressing plate is provided with an inclined section, and the inner wall of the alignment groove is provided with a clamping groove corresponding to the pressing plate, the clamping fixing assembly is arranged to replace an original installation mode, and the vacuum arc-extinguishing chamber is more convenient to disassemble and assemble in the use process.

Description

Technical Field

[0001] The utility model relates to the field of vacuum switch related products, in particular to an improved vacuum interrupter. Background Art

[0002] Vacuum interrupter, also known as vacuum switch tube, is the core component of medium and high voltage power switch. Its main function is to quickly extinguish arc and suppress current after medium and high voltage circuit cuts off power through the excellent insulation of vacuum in the tube, so as to avoid accidents and unexpected events. It is mainly used in power transmission and distribution control system, and also used in metallurgy, mining, petroleum, chemical industry, railway, broadcasting, communication, industrial high-frequency heating and other power distribution systems. Vacuum interrupter is divided into circuit breaker interrupter and load switch interrupter according to its use. Circuit breaker interrupter is mainly used in substations and power grid facilities in the power sector, and load switch interrupter is mainly used for end users of power grid.

[0003] However, when installing and disassembling the vacuum interrupter, employees are required to remove the bolts and nuts one by one, which is cumbersome and greatly increases the workload of employees. Utility Model Content

[0004] The purpose of the utility model is to provide an improved vacuum interrupter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved vacuum arc chamber, comprising a vacuum arc chamber body and a mounting plate, the mounting plate is provided with a mounting groove, the vacuum arc chamber body is arranged in the mounting groove, both sides of the vacuum arc chamber body are fixedly connected with alignment plates, the inner side wall of the mounting groove is provided with an alignment groove corresponding to the alignment plate, the alignment plate is provided with a slide groove, two movable plates are slidably connected in the slide groove, a plurality of elastic mechanisms are fixedly connected between the two movable plates, a pressure plate is fixedly connected to the opposite side of the two movable plates, and a bottom end of the pressure plate is provided with a There is an oblique cross-section, and a card groove corresponding to the pressure plate is provided on the inner wall of the alignment groove, and a holding rod is fixedly connected to the top of the movable plate, and a sliding mouth connected to the sliding groove is provided on the alignment plate, and the holding rod is slidably inserted in the sliding mouth, and the opposite sides of the two holding rods are fixedly connected with traction rods, one end of one of the traction rods is fixedly connected with an insertion rod, and the other traction rod is provided with a slot, and the insertion rod is slidably inserted in the slot, and a support block is fixedly connected to the outer side wall of the other traction rod, and a locking screw is inserted on the support block, and a screw hole corresponding to the locking screw is provided on the outer side wall of the insertion rod.

[0006] Preferably, a stop groove is provided on the inner side wall of the slide groove, a limit rod is fixedly connected in the stop groove, a connecting block is slidably sleeved on the limit rod, and the connecting block is fixedly connected to the outer wall of the movable plate.

[0007] Preferably, the plurality of elastic mechanisms are all springs.

[0008] Preferably, the inclined section on the pressure plate is polished.

[0009] Preferably, fixing bolts are inserted into the four corners of the mounting plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The improved vacuum arc extinguishing chamber is configured such that the main body of the vacuum arc extinguishing chamber is clamped in the mounting groove on the mounting plate, at which time the alignment plate will be clamped into the alignment groove, and at the same time, the pressure plate will be pressed against the inner wall of the alignment groove to drive the two movable plates to move relative to each other to achieve the extrusion of the elastic mechanism. After the alignment plate is completely clamped into the alignment groove, the resilience of the elastic mechanism is utilized to cause the pressure plate to be firmly clamped in the clamping groove, and at the same time, the locking screw is screwed into the screw hole on the insertion rod to achieve the position fixation between the two movable plates. The utility model replaces the original installation method with the provision of a clamping fixing component, and the disassembly and assembly of the vacuum arc extinguishing chamber is more convenient during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of an improved vacuum interrupter of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of a movable plate of an improved vacuum interrupter of the utility model;

[0014] Figure 3 It is an enlarged view of point A of an improved vacuum interrupter of the utility model;

[0015] Figure 4 The utility model is a schematic diagram of the structure of a pressure plate of an improved vacuum arc extinguishing chamber.

[0016] In the figure: 1. vacuum arc extinguishing chamber body; 2. mounting plate; 3. alignment plate; 4. moving plate; 5. elastic mechanism; 6. pressure plate; 7. holding rod; 8. traction rod; 9. insertion rod; 10. support block; 11. locking screw; 12. limiting rod; 13. connecting block; 14. fixing bolt. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-4The utility model provides an embodiment: an improved vacuum arc chamber, comprising a vacuum arc chamber body 1 and a mounting plate 2, the mounting plate 2 is provided with a mounting groove, the vacuum arc chamber body 1 is arranged in the mounting groove, both sides of the vacuum arc chamber body 1 are fixedly connected with an alignment plate 3, the inner side wall of the mounting groove is provided with an alignment groove corresponding to the alignment plate 3, the alignment plate 3 is provided with a slide groove, two movable plates 4 are slidably connected in the slide groove, a plurality of elastic mechanisms 5 are fixedly connected between the two movable plates 4, a pressure plate 6 is fixedly connected to the opposite side of the two movable plates 4, an inclined section is provided at the bottom of one end of the pressure plate 6, a card groove corresponding to the pressure plate 6 is provided on the inner wall of the alignment groove, a holding rod 7 is fixedly connected to the top of the movable plate 4, a sliding mouth connected to the sliding groove is provided on the alignment plate 3, the holding rod 7 is slidably inserted in the sliding mouth, and the opposite sides of the two holding rods 7 are fixed It is connected with a traction rod 8, one end of which is fixedly connected with an insertion rod 9, and the other traction rod 8 is provided with a slot, and the insertion rod 9 is slidably inserted in the slot. A support block 10 is fixedly connected to the outer wall of the other traction rod 8, and a locking screw 11 is inserted on the support block 10. The outer wall of the insertion rod 9 is provided with a screw hole corresponding to the locking screw 11. Specifically, the vacuum arc chamber main body 1 is clamped in the mounting groove on the mounting plate 2. At this time, the alignment plate 3 will be clamped into the alignment groove, and at the same time, the pressure plate 6 is pressed against the inner wall of the alignment groove to drive the two movable plates 4 to move relative to each other to realize the extrusion of the elastic mechanism 5. After the alignment plate 3 is completely inserted into the alignment groove, the resilience of the elastic mechanism 5 is used to prompt the pressure plate 6 to be firmly clamped in the slot. At the same time, the locking screw 11 is screwed into the screw hole on the insertion rod 9 to achieve the position fixation between the two movable plates 4.

[0021] In this embodiment, a stop groove is provided on the inner side wall of the slide groove, and a limit rod 12 is fixedly connected in the stop groove. A connecting block 13 is slidably sleeved on the limit rod 12. The connecting block 13 is fixedly connected to the outer wall of the movable plate 4. When the movable plate 4 moves, the connecting block 13 slides on the limit rod 12 to achieve support; multiple elastic mechanisms 5 are all springs with high acquisition degree; the inclined section on the pressure plate 6 is polished to reduce friction resistance; fixing bolts 14 are inserted at the four corners of the mounting plate 2 to facilitate the installation and fixation of the mounting plate 2.

[0022] Working principle: First, the vacuum arc chamber body 1 is clamped in the mounting groove on the mounting plate 2. At this time, the alignment plate 3 will be clamped into the alignment groove. At the same time, the pressure plate 6 will press against the inner wall of the alignment groove to drive the two movable plates 4 to move relative to each other to achieve the extrusion of the elastic mechanism 5. After the alignment plate 3 is completely inserted into the alignment groove, the rebound force of the elastic mechanism 5 is used to prompt the pressure plate 6 to be firmly clamped in the slot. At the same time, the locking screw 11 is screwed into the screw hole on the insertion rod 9 to achieve the position fixation between the two movable plates 4.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An improved vacuum interrupter, comprising a vacuum interrupter body (1) and a mounting plate (2), characterized in that: The mounting plate (2) is provided with a mounting groove, the vacuum arc extinguishing chamber body (1) is arranged in the mounting groove, both sides of the vacuum arc extinguishing chamber body (1) are fixedly connected with alignment plates (3), the inner side wall of the mounting groove is provided with an alignment groove corresponding to the alignment plate (3), the alignment plate (3) is provided with a slide groove, two movable plates (4) are slidably connected in the slide groove, a plurality of elastic mechanisms (5) are fixedly connected between the two movable plates (4), a pressure plate (6) is fixedly connected on the opposite side of the two movable plates (4), an inclined section is provided at the bottom of one end of the pressure plate (6), a card slot corresponding to the pressure plate (6) is provided on the inner wall of the alignment groove, and the movable plates (4) are provided with a plurality of elastic mechanisms (5) between the two movable plates (4). The top of the plate (4) is fixedly connected with a holding rod (7), the alignment plate (3) is provided with a sliding opening connected with the sliding groove, the holding rod (7) is slidably inserted in the sliding opening, the two holding rods (7) are fixedly connected with traction rods (8) on opposite sides, one end of one of the traction rods (8) is fixedly connected with an insertion rod (9), the other traction rod (8) is provided with a slot, the insertion rod (9) is slidably inserted in the slot, the outer wall of the other traction rod (8) is fixedly connected with a support block (10), the support block (10) is inserted with a locking screw (11), and the outer wall of the insertion rod (9) is provided with a screw hole corresponding to the locking screw (11).

2. The improved vacuum interrupter according to claim 1, characterized in that: A stop groove is provided on the inner side wall of the slide groove, a limit rod (12) is fixedly connected in the stop groove, a connection block (13) is slidably sleeved on the limit rod (12), and the connection block (13) is fixedly connected to the outer wall of the movable plate (4).

3. The improved vacuum interrupter according to claim 1, characterized in that: The plurality of elastic mechanisms (5) are all springs.

4. The improved vacuum interrupter according to claim 1, characterized in that: The inclined section on the pressure plate (6) is polished.

5. The improved vacuum interrupter according to claim 1, characterized in that: Fixing bolts (14) are inserted into the four corners of the mounting plate (2).

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