CN217822619U

CN217822619U - Arc extinguishing chamber

Info

Publication number: CN217822619U
Application number: CN202222083177.5U
Authority: CN
Inventors: 杨晓智
Original assignee: Yueqing Bafeng Electrical Co ltd
Current assignee: Yueqing Bafeng Electrical Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses an arc extinguishing chamber relates to arc control device technical field, and it includes the casing and installs the arc extinguishing piece in the casing, set up a plurality of fretwork portions that correspond the arc extinguishing piece on the casing, install the dust screen that covers fretwork portion in the casing, still install the run-on plate that is close to the arc extinguishing piece on the casing. The utility model has the advantages of dustproof effectual, job stabilization nature is good.

Description

Arc extinguishing chamber

Technical Field

The utility model relates to an arc control device technical field, concretely relates to arc extinguishing chamber.

Background

Dust easily enters an arc extinguishing cover on the existing molded case circuit breaker, the arc extinguishing effect of the arc extinguishing cover is influenced, and the safety performance is lower.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiency of the background art, the utility model provides an arc extinguishing chamber which is good in dustproof effect and good in working stability.

The utility model discloses the technical scheme who adopts: the arc extinguishing cover comprises a shell and arc extinguishing sheets installed in the shell, a plurality of hollow parts corresponding to the arc extinguishing sheets are arranged on the shell, a dustproof net covering the hollow parts is installed in the shell, and arc striking plates close to the arc extinguishing sheets are further installed on the shell.

The casing includes left casing and right casing, be equipped with grafting complex erection column and mounting groove between left side casing and the right casing.

The left shell and the right shell are respectively provided with a notch which is arranged oppositely, the notch forms an installation position for installing the run-on plate, clamping grooves are formed in two sides of the installation position, and clamping buckles corresponding to the clamping grooves are arranged on two sides of the run-on plate.

The run-on plate is equipped with two straight plate portions that set up relatively, and two straight plate portion upper ends are equipped with the connecting portion of connecting the two, the casing is equipped with the installation boss that supplies connecting portion to hang the dress.

The arc extinguishing piece is provided with a U-shaped second opening, two sides of the arc extinguishing piece are inserted in the shell, and the straight plate parts correspond to two side walls of the second opening.

Still including installing the stationary contact plate in the casing, the stationary contact plate is including stretching out the casing show the portion and be located the contact site of casing, the contact site with show be equipped with the arc portion of the two of a body coupling between the portion, the arc portion is located the contact site both sides and crooked downwards, surface mounting has the run-on piece on the contact site.

The casing still includes the base, the bottom behind left side casing and the grafting of right casing forms the first opening that supplies the pedestal mounting, the base is embedded to be installed in the first opening.

The utility model has the advantages that: this technical scheme sets up the dust screen through the position department that will correspond fretwork portion in the casing, prevents that the dust from getting into and on the casing adheres to the arc extinguishing piece in, improves the security of arc extinguishing cover, in addition, through the position department installation arc starting plate that is close to the arc extinguishing piece at the casing, improves the job stabilization nature of arc extinguishing cover.

Drawings

Figure 1 is a schematic structural view of a second arc-extinguishing chamber of the embodiment of the present invention.

Figure 2 is a schematic structural view of the arc chute with the right housing removed.

Figure 3 is a schematic view of the arc chute at another angle with the right housing removed.

Fig. 4 is a schematic structural view of the arc striking plate.

Figure 5 is a schematic structural view of an arc extinguishing plate.

Fig. 6 is a schematic diagram of a split structure of the left and right housings.

Figure 7 is a schematic structural view of an arc chute of an embodiment.

Figure 8 is a schematic view of the internal structure of an arc chute according to an embodiment.

Fig. 9 is a schematic structural diagram of the stationary contact plate.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the arc-extinguishing cover comprises a shell 1 and arc-extinguishing pieces 2 arranged in the shell 1, a plurality of hollow-out parts 3 corresponding to the arc-extinguishing pieces 2 are arranged on the shell 1, a dust screen 4 covering the hollow-out parts 3 is arranged in the shell 1, and an arc striking plate 5 close to the arc-extinguishing pieces 2 is further arranged on the shell 1; this technical scheme sets up the dust screen through the position department that will correspond fretwork portion in the casing, prevents that the dust from getting into and on adhering to the arc extinguishing piece in the casing, improves the security of arc extinguishing cover, in addition, through the position department installation striking plate that is close to the arc extinguishing piece at the casing, improves the job stabilization nature of arc extinguishing cover.

The shell of the embodiment has two embodiments;

in the first embodiment, as shown in fig. 1, the housing 1 includes a left housing 11 and a right housing 12, and a mounting post 14 and a mounting groove 15 are provided between the left housing 11 and the right housing 12; the left shell and the right shell are inserted into the mounting column and the mounting groove through screws and fixedly connected.

In the second embodiment, as shown in fig. 7, the housing 1 is composed of a left housing 11, a right housing 12 and a base 13, a mounting column 14 and a mounting groove 15 which are in plug fit are arranged between the left housing 11 and the right housing 12, a first opening 16 for mounting the base 13 is formed at the bottom of the left housing 11 and the right housing 12 after being plugged, and the base 13 is embedded in the first opening 16; have the advantage of making things convenient for the dismouting and making things convenient for the adjustment, left side casing and right casing pass through the screw and insert erection column and mounting groove in, with the two fixed connection.

Left side casing 11 and right casing 12 are equipped with relative breach 17 that sets up respectively, the breach forms the installation position that supplies run-on plate 5 to install, installation position both sides are equipped with draw-in groove 18, run-on plate 5 both sides are equipped with the buckle 51 that corresponds with draw-in groove 18, the both sides buckle of run-on plate makes it firmly install on the casing through the buckle cooperation with the draw-in groove, and is also very simple when dismantling moreover, and the elastic force that can overcome run-on plate self material is exerted a little power, makes the run-on plate dismantle from the casing.

Run-on plate 5 is equipped with two straight plate parts 52 that set up relatively, and two straight plate part 52 upper ends are equipped with the connecting portion 53 of connecting the two, casing 1 is equipped with the installation boss 19 that supplies connecting portion 53 to hang the dress, the both sides breach of casing is hugged closely to the straight plate part, and its connecting plate is hung the dress on the installation boss, has the stable advantage of installation.

Arc-extinguishing piece 2 is equipped with the second opening 21 that is the U type, and installs in its both sides grafting in the casing 1, straight plate portion 52 is right with the both sides wall position of second opening 21, the striking plate makes electric arc get into in the work area of arc-extinguishing piece more easily in the second open range of arc-extinguishing piece, has the good advantage of job stabilization nature.

Still including installing the stationary contact plate 6 in the casing, stationary contact plate 6 is including the portion of exposing 61 that stretches out the casing and the contact site 62 that is located the casing, be equipped with the cambered part 63 of an organic whole connection the two between contact site 62 and the portion of exposing 61, cambered surface portion 63 is located the contact site 62 both sides and crooked downwards, surface mounting has striking piece 64 on the contact site 62, the cambered surface portion is hollow to be set up and its both sides position is located the both sides of contact site respectively, and contact site and movable contact plate contact circular telegram back not shown, cambered surface position can form a magnetic field, and play the effect of striking with the striking piece to electric arc jointly.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should know that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. Arc-extinguishing chamber, it includes casing (1) and installs arc-extinguishing piece (2) in casing (1), its characterized in that: the novel arc extinguishing chamber is characterized in that a plurality of hollow parts (3) corresponding to the arc extinguishing sheets (2) are arranged on the shell (1), a dust screen (4) covering the hollow parts (3) is installed in the shell (1), and an arc striking plate (5) close to the arc extinguishing sheets (2) is further installed on the shell (1).

2. The arc chute of claim 1 wherein: casing (1) is including left casing (11) and right casing (12), be equipped with grafting complex erection column (14) and mounting groove (15) between left side casing (11) and right casing (12).

3. The arc chute of claim 2 wherein: left side casing (11) and right casing (12) are equipped with relative breach (17) that set up respectively, the breach forms the installation position that supplies run-on plate (5) to install, installation position both sides are equipped with draw-in groove (18), run-on plate (5) both sides are equipped with buckle (51) that correspond with draw-in groove (18).

4. The arc chute of claim 2 wherein: the arc striking plate (5) is provided with two straight plate parts (52) which are arranged oppositely, the upper ends of the two straight plate parts (52) are provided with connecting parts (53) for connecting the two straight plate parts, and the shell (1) is provided with an installation boss (19) for hanging the connecting parts (53).

5. The arc chute of claim 4 wherein: the arc extinguishing piece (2) is provided with a U-shaped second opening (21), two sides of the U-shaped second opening are inserted into the shell (1), and the straight plate parts (52) correspond to two side wall positions of the second opening (21).

6. The arc chute of claim 4 wherein: still including installing quiet touch panel (6) in the casing, quiet touch panel (6) are including stretching out the contact site (62) of the portion (61) of showing of casing and being located the casing, contact site (62) and show be equipped with between portion (61) the cambered surface portion (63) of the two of a body coupling, cambered surface portion (63) are located contact site (62) both sides and crooked downwards, surface mounting has arc piece (64) on contact site (62).

7. The arc chute of claim 2 wherein: the shell further comprises a base (13), a first opening (16) for installing the base (13) is formed in the bottom of the left shell (11) and the right shell (12) after the left shell and the right shell are connected in an inserted mode, and the base (13) is installed in the first opening (16) in an embedded mode.