CN218996537U

CN218996537U - Box-type film capacitor

Info

Publication number: CN218996537U
Application number: CN202223342926.8U
Authority: CN
Inventors: 樊金河; 唐奕新; 王慧卉
Original assignee: Hunan Membrane Capacitor Electronics Co ltd
Current assignee: Hunan Membrane Capacitor Electronics Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-09
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a box-type film capacitor, which relates to the technical field of capacitors and comprises a mounting box, wherein a placing rack is fixedly connected to the middle of the inside of the mounting box, a placing groove is transversely formed in the top of the placing rack, a capacitor main body is connected to the inside of the placing groove through a clamping component, a sealing cover component is arranged on the top of the mounting box, the clamping component comprises a double-shaft motor, a screw rod, a thread block, a connecting rod and an arc-shaped clamp, and the sealing cover component comprises a box cover and a hexagon bolt. The box-type film capacitor is convenient to install and detach through the clamping assembly and the sealing cover assembly, the capacitor body can be firmly fixed, normal use of the capacitor body is not affected, the box-type film capacitor has the function of sealing cover, environmental factors are prevented from affecting use of the capacitor body, the effect of heat dissipation and ventilation is achieved, the temperature and the dryness in the box are guaranteed, the high temperature or damp influence of the capacitor body is avoided, and the service life of the capacitor body is prolonged.

Description

Box-type film capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a box-type film capacitor.

Background

Capacitors are of many kinds depending on the medium, for example: electrolyte capacitance, paper capacitance, film capacitance, ceramic capacitance, mica capacitance, air capacitance, and the like. But are most frequently used in acoustic equipment, as electrolytic capacitors and film capacitors.

Electrolytic capacitors are mostly used where a large capacitance is required, such as filter capacitors of a main power supply portion, and also serve as a storage for electric energy in addition to filtering. Thin film capacitors are widely used in the cross-connection of analog signals, bypass (reverse cross-connection) of power supply noise, and the like.

At present, when the existing film capacitor is installed in the market, the film capacitor cannot be fixed firmly due to the appearance characteristic of the film capacitor, the film capacitor is more troublesome to assemble and disassemble, the normal use of the film capacitor is affected, and the film capacitor is not provided with a sealing cover structure, so that the film capacitor is easily affected by the environment, the service life is reduced, and therefore, the box-type film capacitor is necessary to be provided.

Disclosure of Invention

The utility model mainly aims to provide a box-type film capacitor, which can effectively solve the problems that the film capacitor cannot be fixed firmly, is troublesome to assemble and disassemble and affects the normal use of the film capacitor due to the appearance characteristic of the film capacitor when the film capacitor is installed in the prior art, and is easy to cause the film capacitor to be influenced by the environment and reduce the service life because of not having a sealing cover structure.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the box-type film capacitor comprises an installation box, wherein a placing rack is fixedly connected to the middle of the inside of the installation box, a placing groove is transversely formed in the top of the placing rack, a capacitor main body is connected to the inside of the placing groove through a clamping component, and a sealing cover component is arranged at the top of the installation box;

the clamping assembly comprises a double-shaft motor, a screw rod, thread blocks, a connecting rod and an arc clamp, wherein the double-shaft motor is fixedly connected to the inside of the placing frame, the screw rods are fixedly connected to two driving ends of the double-shaft motor, the thread blocks are sleeved on the outer peripheral surface of the screw rod, the center of the top of each thread block is fixedly connected with the bottom end of the connecting rod, and the other end of the connecting rod is fixedly connected with the center of one side of the arc clamp;

the sealing cover assembly comprises a box cover and a hexagonal bolt, the top of the mounting box is provided with the box cover, first screw holes are formed in four corners of the top of the box cover in a penetrating mode, second screw holes are formed in four corners of the top of the mounting box, the first screw holes and the second screw holes are located on the same vertical surface, and the hexagonal bolt is arranged in the first screw holes and the second screw holes in a penetrating mode.

Preferably, the side view cross section width of standing groove is greater than the side view cross section width of condenser main part, the both sides of condenser main part are arc-shaped structure, the radian of arc clamp and the both sides radian looks adaptation of condenser main part.

Preferably, the number of the screw rods and the number of the thread blocks are two, the two screw rods are symmetrically distributed at the shaft center of the double-shaft motor, the directions of external threads of the two screw rods are opposite, and the two thread blocks are respectively in threaded connection with the two screw rods.

Preferably, the top of lid has run through and has been seted up and wear the jack, the quantity of wearing the jack has two, two the interlude hole is with the side view axle center department symmetric distribution of lid, the top fixedly connected with two metal terminal of condenser main part, the inside diameter of interlude hole is greater than the outside diameter of metal terminal, metal terminal passes and wears the jack.

Preferably, the bottom center department fixedly connected with slider of screw thread piece, the spout has all been seted up to the both sides that lie in the rack on the inside bottom plate of installation box, the one end activity of slider sets up in the inside of spout, and slides in the inside of spout.

Preferably, the heat conducting plates are embedded on two sides of the mounting box, heat radiating holes are formed in one side of the heat conducting plates in a penetrating mode, the number of the heat radiating holes is a plurality, and the heat radiating holes are distributed on one side of the heat conducting plates in a rectangular array mode.

Preferably, through holes are formed in the centers of two sides of the placing frame in a penetrating mode, the inner diameter of each through hole is larger than the cross section diameter of the screw rod, and one ends of the two screw rods penetrate through the two through holes respectively and are movably connected with the inner wall of the installation box.

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

according to the capacitor box, the capacitor body is firstly placed in the placing groove formed in the top of the placing frame through the clamping assembly and the sealing cover assembly, then the double-shaft motor is started, the screw rods at the two ends are driven to rotate through the double-shaft motor, the two screw rods rotate in opposite directions at the same time, the two screw blocks are driven to be close to each other, the two connecting rods are driven to be close to each other through the close of the two screw blocks, the arc clamps fixed at one end of the two connecting rods are close to each other, the two arc clamps move towards the two sides of the capacitor body, the capacitor body is clamped by the two arc clamps through the adaptive degree of radians of the two arc clamps and the two sides of the capacitor body, the capacitor body is fixedly firm by the limiting of the auxiliary placing groove, then the capacitor body is placed at the top of the mounting box through the box cover, the first screw hole corresponds to the second screw hole one by one, then the hexagonal bolts are screwed in, the first screw holes and the second screw holes are sequentially penetrated, the box cover is fixed with the mounting box, the metal terminals penetrate through the penetrating holes, and the heat conducting plates and the two connecting rods are close to each other, the two connecting rods are convenient to each other, the arc clamps are close to each other, the two ends of the capacitor body is convenient to mount and move, the capacitor body and detach, the capacitor body is firmly, the capacitor body and the capacitor box is firmly has a good heat radiating effect or well, and the heat and the capacitor box, and the heat and has a good ventilation effect, and the effect can well.

Drawings

FIG. 1 is a schematic view showing the overall perspective structure of a box-type film capacitor according to the present utility model;

FIG. 2 is a schematic diagram of the overall explosion structure of a box-type film capacitor according to the present utility model;

FIG. 3 is a schematic view showing a partial front view and an inner cross-section of a box-type film capacitor according to the present utility model;

FIG. 4 is a schematic view showing a three-dimensional structure of a placement frame of a box-type film capacitor according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of the box-type film capacitor of fig. 2 at a.

In the figure: 1. a mounting box; 2. a placing rack; 3. a capacitor body; 4. a placement groove; 5. a biaxial motor; 6. a screw rod; 7. a screw block; 8. a connecting rod; 9. an arc clamp; 10. a box cover; 11. a first screw hole; 12. a second screw hole; 13. a hexagonal bolt; 14. penetrating the jack; 15. a metal terminal; 16. a slide block; 17. a chute; 18. a heat conductive plate; 19. a heat radiation hole; 20. and a through hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the utility model discloses a box-type film capacitor, which comprises a mounting box 1, wherein a placing frame 2 is fixedly connected to the middle part of the inside of the mounting box 1, a placing groove 4 is transversely formed in the top of the placing frame 2, a capacitor main body 3 is connected to the inside of the placing groove 4 through a clamping component, and a sealing cover component is arranged on the top of the mounting box 1;

the clamping assembly comprises a double-shaft motor 5, a screw rod 6, a thread block 7, a connecting rod 8 and an arc clamp 9, wherein the double-shaft motor 5 is fixedly connected to the inside of the placing frame 2, the screw rod 6 is fixedly connected to two driving ends of the double-shaft motor 5, the thread block 7 is sleeved on the outer peripheral surface of the screw rod 6, the center of the top of the thread block 7 is fixedly connected with the bottom end of the connecting rod 8, and the other end of the connecting rod 8 is fixedly connected with the center of one side of the arc clamp 9;

the closing cap subassembly includes lid 10 and hexagon bolt 13, and the top of installation box 1 is equipped with lid 10, and first screw 11 has all been run through in the top four corners department of lid 10, and second screw 12 has all been seted up in the top four corners department of installation box 1, and first screw 11 and second screw 12 are in same vertical face, and hexagon bolt 13 has been worn to be equipped with in the inside of first screw 11 and second screw 12.

The width of the side view cross section of the placing groove 4 is larger than that of the capacitor main body 3, the two sides of the capacitor main body 3 are arc-shaped structures, and the radian of the arc clamp 9 is matched with the radian of the two sides of the capacitor main body 3.

The number of the screw rods 6 and the screw thread blocks 7 is two, the two screw rods 6 are symmetrically distributed at the shaft center of the double-shaft motor 5, the directions of external threads of the two screw rods 6 are opposite, and the two screw thread blocks 7 are respectively in threaded connection with the two screw rods 6.

The top of lid 10 runs through and has offered the jack 14, and the quantity of jack 14 has two, and two jack 14 are with the side view axle center department symmetric distribution of lid 10, and the top fixedly connected with of condenser main part 3 two metal terminal 15, the inside diameter of jack 14 is greater than the outside diameter of metal terminal 15, and metal terminal 15 passes jack 14.

The bottom center of the threaded block 7 is fixedly connected with a sliding block 16, sliding grooves 17 are formed in two sides of the mounting box 1, which are located on the inner bottom plate of the mounting box 1, one end of the sliding block 16 is movably arranged in the sliding grooves 17, and the sliding block slides in the sliding grooves 17.

The heat conducting plate 18 is embedded in two sides of the mounting box 1, the heat radiating holes 19 are formed in one side of the heat conducting plate 18 in a penetrating mode, the number of the heat radiating holes 19 is a plurality, and the heat radiating holes 19 are distributed on one side of the heat conducting plate 18 in a rectangular array mode.

Through holes 20 are formed in the centers of two sides of the placement frame 2 in a penetrating mode, the inner diameter of each through hole 20 is larger than the cross section diameter of each screw rod 6, and one ends of the two screw rods 6 penetrate through the two through holes 20 respectively and are movably connected with the inner wall of the mounting box 1.

The working principle of the utility model is as follows: when the capacitor body 3 is used, firstly, the capacitor body 3 is placed in the placement groove 4 formed in the top of the placement frame 2, then, the double-shaft motor 5 is started, the screw rods 6 at the two ends are driven to rotate, the two screw rods 6 are simultaneously rotated in opposite directions, the two screw blocks 7 are driven to be close to each other, the two connecting rods 8 are driven to be close to each other by the close of the two screw blocks 7, the arc clamps 9 fixed at one end of the two connecting rods 8 are close to each other, the capacitor body 3 is moved towards the two sides of the capacitor body 3, the two arc clamps 9 clamp the two sides of the capacitor body 3 through the adaptive degree of the radians of the arc clamps 9 and the two sides of the capacitor body 3, the capacitor body 3 is fixedly and firmly fixed by the auxiliary placement groove 4, then, the cap 10 is placed at the top of the installation box 1, the first screw holes 11 and the second screw holes 12 are in one-to-one correspondence, then the hexagonal bolts 13 are screwed in, the cap 10 and the second screw holes 12 are sequentially penetrated, the cap 10 and the installation box 1 are fixed by the cap 14, the metal terminals 15 penetrate through the through holes 14, and the heat conducting plates 18 and the plurality of heat dissipation holes 19 arranged on the two sides, and the two sides can conveniently carry out ventilation and heat dissipation effects in the installation box 1.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A box-type film capacitor, characterized in that: the capacitor mounting device comprises a mounting box (1), wherein a placing frame (2) is fixedly connected to the middle part of the inside of the mounting box (1), a placing groove (4) is transversely formed in the top of the placing frame (2), a capacitor main body (3) is connected to the inside of the placing groove (4) through a clamping component, and a sealing cover component is arranged at the top of the mounting box (1);

the clamping assembly comprises a double-shaft motor (5), a screw rod (6), thread blocks (7), a connecting rod (8) and an arc clamp (9), wherein the double-shaft motor (5) is fixedly connected inside the rack (2), the screw rods (6) are fixedly connected to two driving ends of the double-shaft motor (5), the thread blocks (7) are sleeved on the peripheral surface of the screw rod (6), the center of the top of the thread blocks (7) is fixedly connected with the bottom end of the connecting rod (8), and the other end of the connecting rod (8) is fixedly connected with the center of one side of the arc clamp (9);

the sealing cover assembly comprises a box cover (10) and a hexagonal bolt (13), the box cover (10) is arranged at the top of the installation box (1), first screw holes (11) are formed in the four corners of the top of the box cover (10) in a penetrating mode, second screw holes (12) are formed in the four corners of the top of the installation box (1), the first screw holes (11) and the second screw holes (12) are located on the same vertical surface, and the hexagonal bolt (13) is arranged in the first screw holes (11) and the second screw holes (12) in a penetrating mode.

2. A box-type film capacitor according to claim 1, wherein: the side view cross section width of standing groove (4) is greater than the side view cross section width of condenser main part (3), the both sides of condenser main part (3) are arc-shaped structure, the radian of arc clamp (9) and the both sides radian looks adaptation of condenser main part (3).

3. A box-type film capacitor according to claim 2, wherein: the number of the screw rods (6) and the number of the thread blocks (7) are two, the two screw rods (6) are symmetrically distributed at the shaft center of the double-shaft motor (5), the directions of external threads of the two screw rods (6) are opposite, and the two thread blocks (7) are respectively in threaded connection with the two screw rods (6).

4. A box-type film capacitor according to claim 3, wherein: the top of lid (10) runs through and has offered jack (14), the quantity of jack (14) is two, two jack (14) are with the side view axle center department symmetric distribution of lid (10), the top fixedly connected with two metal terminal (15) of condenser main part (3), the inside diameter of jack (14) is greater than the outside diameter of metal terminal (15), metal terminal (15) pass jack (14).

5. A box-type film capacitor according to claim 4, wherein: the screw thread piece (7) bottom center department fixedly connected with slider (16), spout (17) have all been seted up to both sides that are located rack (2) on the inside bottom plate of installation box (1), the one end activity of slider (16) sets up in the inside of spout (17), and slides in the inside of spout (17).

6. A box-type film capacitor according to claim 5, wherein: the heat-conducting plate (18) is embedded in two sides of the installation box (1), heat-radiating holes (19) are formed in one side of the heat-conducting plate (18) in a penetrating mode, the number of the heat-radiating holes (19) is a plurality of, and the heat-radiating holes (19) are distributed on one side of the heat-conducting plate (18) in a rectangular array mode.

7. A box-type film capacitor according to claim 6, wherein: through holes (20) are formed in the centers of two sides of the placement frame (2) in a penetrating mode, the inner diameter of each through hole (20) is larger than the cross section diameter of each screw rod (6), and one ends of the two screw rods (6) penetrate through the two through holes (20) and are movably connected with the inner wall of the installation box (1) respectively.