CN216414746U

CN216414746U - Thyristor fling-cut switch shell structure

Info

Publication number: CN216414746U
Application number: CN202122041369.5U
Authority: CN
Inventors: 李新福; 李晶
Original assignee: Shanghai Bergrain Technology Co ltd
Current assignee: Shanghai Bergrain Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-04-29
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a thyristor fling-cut switch shell structure belonging to the technical field of parts of a conversion device, which comprises a shell, wherein a mounting plate is detachably arranged on the left side wall of the shell, a butt-joint frame is fixedly arranged on the side wall of the mounting plate, a mounting groove is formed in the side wall of the shell, which is in contact with the butt-joint frame, a limiting rod is movably arranged in the mounting groove, a limiting plate is fixedly arranged on the rod wall of the limiting rod, a limiting spring is arranged between the limiting plate and the inner wall of the mounting groove in a contact manner, a pull block is fixedly arranged at one end, which is positioned at the outer side of the shell, of the limiting rod, the mounting plate is in butt joint with the shell through the butt-joint frame, the later-period disassembly and assembly work can be facilitated, the shell can be conveniently combined with or separated from the butt-joint frame through the matching of the limiting rod and a limiting hole, and the limiting rod can achieve the effect of automatic reset through the matching of the limiting plate and the limiting spring, therefore, the butt joint with the limiting hole can be kept, and the fixing effect is kept.

Description

Thyristor fling-cut switch shell structure

Technical Field

The utility model relates to the technical field of parts of a conversion device, in particular to a shell structure of a thyristor fling-cut switch.

Background

Thyristor switches have no mechanical wear, operate without noise, and have the advantage of being virtually transient-free, the control signal can be transferred directly from the load to the capacitor bank, which means that power factor improvement has minimal delay. The capacitor bank switched by the thyristor can quickly compensate power factors of loads with great variation, such as an elevator, a crane and a rolling mill, the thyristor replaces a contactor to ensure that the switching speed can be high, and the maintenance and replacement workload caused by easy abrasion of the contactor is reduced.

Because the mounting panel of casing is fixed mounting in long-term use, inconvenient later stage like this is to the inside maintenance work that carries on of casing, has increased the maintenance degree of difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell structure of a thyristor fling-cut switch, which aims to solve the problem that in the background art, as a mounting plate of a shell is fixedly mounted in the long-term use process, the maintenance work of the interior of the shell is inconvenient in the later period, and the maintenance difficulty is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a thyristor fling-cut switch shell structure, includes the casing, the dismantled and assembled mounting panel that is provided with of left side wall of casing, the fixed butt frame that is provided with of lateral wall of mounting panel, the mounting groove has been seted up with the lateral wall of butt frame contact to the casing, the inside removal of mounting groove is provided with the gag lever post, the fixed limiting plate that is provided with of pole wall of gag lever post, the contact is provided with spacing spring between the inner wall of limiting plate and mounting groove, the one end that the gag lever post is located the casing outside is fixed to be provided with and draws the piece, the spacing hole corresponding with the gag lever post is seted up to the lateral wall of butt frame.

Preferably, the side wall of the casing is provided with a groove corresponding to the pull block, and the side wall of the pull block, which is attached to the groove, is provided with spiral threads.

Preferably, the side wall of the mounting plate is provided with heat dissipation holes.

Preferably, a dust screen is fixedly arranged between the inner walls of the butt joint frames.

Preferably, a sealing gasket is fixedly arranged on the outer side wall of the butt joint frame.

Compared with the prior art, the utility model has the beneficial effects that:

1) the mounting plate is butted with the shell through the butting frame, so that later-stage dismounting work can be facilitated, the shell can be conveniently combined with or separated from the butting frame through the matching of the limiting rod and the limiting hole, the limiting rod can achieve an automatic resetting effect through the matching of the limiting plate and the limiting spring, and the butting with the limiting hole can be kept, so that a fixing effect is kept;

2) the mounting plate is in butt joint with the casing in a detachable mode, so that later-stage maintenance and disassembly work can be facilitated, the maintenance difficulty is reduced, and the workload of maintenance personnel is reduced.

Drawings

FIG. 1 is a shape view of the present invention;

FIG. 2 is a cross-sectional view of the front structure of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure: 1 casing, 11 mounting grooves, 12 limiting rods, 13 limiting plates, 14 limiting springs, 15 pulling blocks, 16 grooves, 2 mounting plates, 21 butting frames, 22 limiting holes, 23 sealing gaskets, 24 dust screens and 25 heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a thyristor fling-cut switch shell structure comprises a shell 1, wherein a mounting plate 2 is detachably arranged on the left side wall of the shell 1, a butt-joint frame 21 is fixedly arranged on the side wall of the mounting plate 2, a mounting groove 11 is formed in the side wall of the shell 1, which is in contact with the butt-joint frame 21, a limiting rod 12 is movably arranged in the mounting groove 11, a limiting plate 13 is fixedly arranged on the rod wall of the limiting rod 12, a limiting spring 14 is arranged between the limiting plate 13 and the inner wall of the mounting groove 11 in a contact manner, a pull block 15 is fixedly arranged at one end, which is positioned at the outer side of the shell 1, of the limiting rod 12, the limiting rod 12 can move outwards in the mounting groove 11 by pulling the pull block 15, so that the limiting plate 13 presses the limiting spring 14 to contract, a limiting hole 22 corresponding to the limiting rod 12 is formed in the side wall of the butt-joint frame 21, and the shell 1 can be combined with the mounting plate 2 by butt-joint of the limiting hole and the limiting rod 12, and meanwhile, the disassembly is convenient.

Wherein, casing 1's lateral wall is seted up and is drawn the corresponding recess 16 of piece 15, draw the lateral wall that piece 15 and recess 16 laminated mutually and all seted up the spiral line, recess 16 can conveniently accomodate and draw piece 15, and the spiral line can strengthen fixed effect, louvre 25 has been seted up to mounting panel 2's lateral wall, can strengthen the inside radiating effect of casing 1, the fixed dust screen 24 that is provided with between the frame 21 inner wall that docks, inside the dust screen 24 can avoid the dust to get into casing 1, the fixed sealed pad 23 that is provided with of lateral wall to frame 21 strengthens the leakproofness of butt joint.

The working principle is as follows: firstly, the machine shell 1 can be installed at a designated position through the installation plate 2, when the interior of the machine shell 1 needs to be maintained, the pulling blocks 15 at two sides of the machine shell 1 can be pulled, the limiting rod 12 in the installation groove 11 can be pulled outwards through the pulling blocks 15 so as to be separated from the limiting hole 22 on the butt-joint frame 21, the limiting plate 13 is driven to move backwards to extrude and contract the limiting spring 14 while moving, thus the limiting rod 12 can be ejected and reset through the elastic acting force of the limiting spring 14 when the pulling blocks 15 are loosened, the machine shell 1 can be pulled outwards after the limiting rod 12 is separated from the limiting hole 22 so as to be separated from the installation plate 2, thus the maintenance work can be carried out on the interior of the machine shell, after the maintenance is finished, the rear end of the machine shell 1 is aligned with the butt-joint frame 21 on the installation plate 2, then the pulling blocks 15 at two sides are pulled, then the machine shell 1 is pressed to be butted with the side wall of the installation plate 2, so that the position of the limiting rod 12 is aligned with the limiting hole 22, thereby fix casing 1 at the side of mounting panel 2, can rotate after the completion and draw piece 15, make it and the helical line butt joint in the recess 16, can strengthen fixed effect like this.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thyristor fling-cut switch shell structure, includes casing (1), its characterized in that: the detachable mounting plate (2) is arranged on the left side wall of the casing (1), the butt-joint frame (21) is fixedly arranged on the side wall of the mounting plate (2), the mounting groove (11) is formed in the side wall, contacting with the butt-joint frame (21), of the casing (1), the limiting rod (12) is arranged inside the mounting groove (11) in a movable mode, the limiting plate (13) is fixedly arranged on the rod wall of the limiting rod (12), the limiting spring (14) is arranged between the inner wall of the limiting plate (13) and the inner wall of the mounting groove (11) in a contacting mode, the pulling block (15) is fixedly arranged at one end, located outside the casing (1), of the limiting rod (12), and the limiting hole (22) corresponding to the limiting rod (12) is formed in the side wall of the butt-joint frame (21).

2. The thyristor fling-cut switch shell structure of claim 1, wherein: the lateral wall of casing (1) is seted up and is drawn corresponding recess (16) of piece (15), draw the lateral wall that piece (15) and recess (16) are laminated mutually and all seted up the spiral line.

3. The thyristor fling-cut switch shell structure of claim 2, wherein: the side wall of the mounting plate (2) is provided with heat dissipation holes (25).

4. The thyristor fling-cut switch shell structure of claim 1, wherein: and a dust screen (24) is fixedly arranged between the inner walls of the butt joint frames (21).

5. The thyristor fling-cut switch shell structure of claim 1, wherein: and a sealing gasket (23) is fixedly arranged on the outer side wall of the butt joint frame (21).