CN220085847U - Low-voltage box type direct-current supporting capacitor - Google Patents

Abstract

The utility model discloses a low-voltage box type direct current support capacitor, which comprises a shell, wherein two fixing frames are symmetrically and fixedly connected to the left side and the right side of the shell, two mounting blocks are symmetrically and fixedly connected to the lower end face of each fixing frame, a mounting plate is arranged on the lower end face of the shell, four mounting grooves are symmetrically formed in the upper end face of the mounting plate, the lower end of each mounting block is propped against the mounting groove, and a cavity is formed in each mounting block. According to the utility model, through the cooperation arrangement of the knob, the worm and the worm wheel, the bidirectional threaded rod can be driven to rotate, and the bidirectional threaded rod can drive the bolt to move out of the clamping groove through the threaded sleeve and the push plate, so that the capacitor can be conveniently disassembled, a worker can complete the disassembly without using tools, and the disassembly cannot be performed due to the fact that the worker forgets to carry the tools, wherein the worm and the worm wheel have a reverse self-locking function, so that the loosening of the capacitor can be avoided, and the fixing effect is improved.

Description

Low-voltage box type direct-current supporting capacitor

Technical Field

The utility model relates to the technical field of direct-current support capacitors, in particular to a low-voltage box type direct-current support capacitor.

Background

A DC supporting capacitor belongs to a kind of passive device. The DC supporting capacitor mainly adopts a polypropylene film medium DC supporting capacitor at present and has the advantages of high voltage resistance, high current resistance, low impedance, low inductance, small capacity loss, small leakage current, good temperature performance, high charging and discharging speed, long service life, good safety, explosion prevention stability, convenient nonpolar installation and the like. Is widely applied to the power electronic industry.

The patent of present publication number CN202749228U discloses a direct current support capacitor, be equipped with the bottom plate below the condenser casing of cross-section for the spill, there is convex connection cardboard at the condenser casing edge that the symmetry set up, be equipped with the side shield on the both sides face of condenser casing, the both sides correspond condenser casing protrusion connection cardboard and are equipped with side shield U-shaped draw-in groove on the side shield, the protruding connection cardboard of condenser casing is blocked to side shield U-shaped draw-in groove, through the shell connecting hole, the space at condenser bottom plate, the space that condenser casing and side shield formed is built-in the condenser core, above the condenser core, the condenser casing, the space that side shield inboard formed is filled the radiating medium layer, direct current support capacitor radiating effect is better, the life of condenser has been prolonged greatly and the operational factor of condenser has been improved, the sound construction of condenser, simple to operate.

The capacitor in the device is fixedly installed through the bolt and the nut, but when the capacitor is detached, a worker can detach the capacitor by means of the tool, if the worker forgets to carry the tool, the capacitor cannot be detached, the capacitor is troublesome, the bolt is easy to loosen for a long time, and the fixing effect is reduced.

In order to solve the above problems, we propose a low voltage box type dc supporting capacitor.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, a capacitor is fixedly installed through a bolt and a nut, but when the capacitor is detached, a worker can complete detachment by means of a tool, if the worker forgets to carry the tool, the disassembly cannot be performed, the trouble is caused, the bolt is easy to loosen for a long time, and the fixing effect is reduced, so that the low-voltage box type direct-current support capacitor is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a low pressure box-type direct current supporting capacitor, includes the casing, the left and right sides symmetry fixedly connected with two fixed frames of casing, every the equal symmetrical fixedly connected with of lower terminal surface of fixed frame has two installation pieces, the lower terminal surface of casing is provided with the mounting panel, four mounting grooves have been seted up to the up end symmetry of mounting panel, every the lower extreme of installation piece all supports in the mounting groove, every all set up the cavity in the installation piece, every all rotate on the inner wall of cavity and be connected with the worm, every all the meshing is connected with the worm wheel on the worm wheel, every the equal horizontal fixation of center department of worm wheel alternates there are two thread bush, every equal symmetrical meshing is connected with two push pedal on the lateral wall of thread bush, every equal symmetrical fixedly connected with bolt in the side that the push pedal is opposite, every four draw-in grooves have all been seted up to the symmetry in the mounting groove, every the one end that the bolt is opposite runs through the cavity and supports in the draw-in groove.

Preferably, a heat dissipation layer is arranged in the shell, and a plurality of heat dissipation fins are symmetrically and fixedly inlaid in the inner wall of the shell.

Preferably, the upper ends of the worms penetrate through the cavity and are fixedly connected with a knob, and each worm is rotatably connected in the inner wall of the mounting block.

Preferably, two ends of the two-way threaded rods are rotatably connected to the inner wall of the cavity, and the bolts are slidably connected to the inner wall of the mounting block.

Preferably, one ends of the push plates, which are opposite, are all connected to the inner wall of the cavity in a sliding way, and the surfaces of the knobs are all provided with anti-skidding patterns.

Preferably, the inner walls of the two fixing frames are fixedly embedded with blowers, and the inner wall of the shell is fixedly provided with a capacitor core.

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

the radiating speed in the capacitor can be increased through the radiating fins, and the radiating speed can be further increased through the blower; through the cooperation setting of knob, worm and worm wheel, can drive the rotation of two-way threaded rod, two-way threaded rod can drive the bolt through thread bush and push pedal and shift out from the draw-in groove to the convenient dismantlement to the condenser, the staff need not just can accomplish with the help of the instrument moreover and dismantles, need not worry to forget to carry the instrument and lead to can not dismantling, has reverse self-locking function between worm and the worm wheel, thereby can avoid the condenser not hard up, and then improves fixed effect.

Drawings

Fig. 1 is a schematic diagram of a front perspective view of a low-voltage dc supporting capacitor according to the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a low voltage DC supporting capacitor according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1 a shell, 2 a fixed frame, 3 a mounting block, 4 a worm, 5 a worm wheel, 6 a bidirectional threaded rod, 7 a threaded sleeve, 8 a push plate, 9 a bolt, 10 a mounting plate, 11 a blower, 12 a heat dissipation layer, 13 heat dissipation fins, 14 a capacitor core body and 15 knobs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship of the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements of the utility model must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1-3, a low voltage box type direct current support capacitor comprises a shell 1, two fixing frames 2 are symmetrically and fixedly connected to the left side and the right side of the shell 1, two mounting blocks 3 are symmetrically and fixedly connected to the lower end face of each fixing frame 2, a mounting plate 10 is arranged on the lower end face of the shell 1, four mounting grooves are symmetrically formed in the upper end face of the mounting plate 10, the lower end of each mounting block 3 is propped against the mounting groove, a cavity is formed in each mounting block 3, a worm 4 is rotationally connected to the inner wall of each cavity, a worm wheel 5 is connected to each worm 4 in a meshing manner, a bidirectional threaded rod 6 is horizontally and fixedly inserted in the center of each worm wheel 5, two threaded sleeves 7 are symmetrically connected to each bidirectional threaded rod 6 in a meshing manner, two push plates 8 are symmetrically and fixedly connected to the side wall of each threaded sleeve 7, four clamping grooves are symmetrically formed in each mounting groove, one end of each clamping pin 9, which is opposite to the other end, penetrates through the cavity and abuts against the clamping grooves, the radiating speed of the inside of the capacitor can be accelerated through the radiating fins 13, the radiating speed can be further accelerated through the blower 11, the bidirectional threaded rod 6 can be driven to rotate through the knob 15, the worm 4 and the worm wheel 5, the bidirectional threaded rod 6 can be driven to move out of the clamping grooves through the threaded sleeve 7 and the push plate 8, so that the capacitor can be conveniently disassembled, workers do not need to finish disassembly by means of tools, and forget to carry the tools, so that disassembly cannot be performed, the reverse self-locking function is realized between the worm 4 and the worm wheel 5, loosening of the capacitor can be avoided, and the fixing effect is improved.

Wherein, be provided with heat dissipation layer 12 in the casing 1, the symmetry is fixed to inlay in the inner wall of casing 1 has a plurality of fin 13, conveniently dispels the heat to the condenser through fin 13.

Wherein, the upper end of a plurality of worms 4 all runs through the cavity and fixedly connected with knob 15, and every worm 4 all rotates to be connected in the inner wall of installation piece 3, and worm 4 can drive worm wheel 5 rotation.

Wherein, the both ends of a plurality of two-way threaded rods 6 all rotate to be connected on the inner wall of cavity, and a plurality of bolt 9 all sliding connection is in the inner wall of installation piece 3, and two-way threaded rod 6 can drive thread bush 7 and remove.

Wherein, the one end that a plurality of push plates 8 are opposite to each other all sliding connection is on the inner wall of cavity, and the surface of a plurality of knobs 15 all is provided with anti-skidding line, and push plate 8 can drive bolt 9 and remove.

Wherein, all fix in the inner wall of two fixed frames 2 and inlay the hair-dryer 11, fixed mounting has condenser core 14 on the inner wall of casing 1, can blow radiating fin 13 through hair-dryer 11 for the radiating rate.

In the utility model, when the device works, heat can be generated in the shell 1, the heat can be rapidly dissipated through the radiating fins 13, then the blower 11 is started, the blower 11 can blow the radiating fins 13, and the heat dissipation speed is further increased; when dismantling, rotate knob 15, knob 15 can drive worm 4 to rotate worm 4 can drive worm wheel 5 and rotate, worm wheel 5 can drive bi-directional threaded rod 6 and rotate, bi-directional threaded rod 6 can drive thread bush 7 and move in opposite directions, thread bush 7 can drive two push pedal 8 and move in opposite directions, push pedal 8 can drive bolt 9 and move in opposite directions and shift out from the draw-in groove, thereby accomplish the dismantlement to the condenser, the staff need not just can accomplish the dismantlement with the help of the instrument moreover, need not worry forget to carry the instrument and lead to can not dismantling, wherein have reverse self-locking function between worm 4 and the worm wheel 5, thereby can avoid the condenser not hard up, and then improve fixed effect, the content of not detailing in this description belongs to the prior art that the expert of the technical staff knows.

Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a low pressure box-type direct current supporting capacitor, includes casing (1), its characterized in that, the left and right sides symmetry fixedly connected with two fixed frames (2) of casing (1), every the equal symmetrical fixedly connected with of lower terminal surface of fixed frame (2) has two installation piece (3), the lower terminal surface of casing (1) is provided with mounting panel (10), four mounting grooves have been seted up to the up end symmetry of mounting panel (10), every the lower extreme of installation piece (3) all supports in the mounting groove, every all offer the cavity in installation piece (3), every all rotate on the inner wall of cavity and be connected with worm (4), every all the meshing is connected with worm wheel (5) on worm (4), every the equal horizontal fixedly inter-connection of center department of worm wheel (5) has two thread bush (6), every equal symmetrical fixedly connected with two push pedal (8) on the lateral wall of thread bush (7), every back of the body (8) all installs in each back of the body and all in the slot (9) each other, every one side all has the jack pin (9) all to run through in the slot.

2. The low-voltage box-type direct-current support capacitor according to claim 1, wherein a heat dissipation layer (12) is arranged in the shell (1), and a plurality of heat dissipation fins (13) are symmetrically and fixedly inlaid in the inner wall of the shell (1).

3. A low voltage box-type dc support capacitor according to claim 1, characterized in that the upper ends of a plurality of said worms (4) each penetrate through the cavity and are fixedly connected with a knob (15), each of said worms (4) being rotatably connected in the inner wall of the mounting block (3).

4. A low voltage box-type dc support capacitor according to claim 1, characterized in that both ends of a plurality of said two-way threaded rods (6) are rotatably connected to the inner wall of the cavity, and a plurality of said pins (9) are slidably connected to the inner wall of the mounting block (3).

5. A low voltage cassette dc support capacitor as claimed in claim 3, characterized in that said opposite ends of said push plates (8) are slidably connected to the inner wall of the cavity, and said surfaces of said knobs (15) are provided with anti-slip patterns.

6. A low voltage box type dc support capacitor according to claim 1, wherein a blower (11) is fixedly embedded in the inner walls of both the fixing frames (2), and a capacitor core (14) is fixedly installed on the inner wall of the case (1).