CN114743793B

CN114743793B - Adjustable capacitor

Info

Publication number: CN114743793B
Application number: CN202210645335.3A
Authority: CN
Inventors: 王媛
Original assignee: Hengyue Jiangsu Food Machinery Technology Co ltd
Current assignee: Hengyue Jiangsu Food Machinery Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-09
Anticipated expiration: 2042-06-09
Also published as: CN114743793A

Abstract

The invention relates to the technical field of capacitor equipment, in particular to an adjustable capacitor, which comprises a main body, wherein a movable disc is rotatably connected to the central position of the outer surface of the lower end of the main body, a connecting base is attached to the outer surface of the lower end of the main body, a connecting groove is formed in the position, close to the movable disc, of the outer surface of the upper end of the connecting base, the movable disc and the connecting base are attached to each other, and storage mechanisms are symmetrically and slidably connected to the outer surfaces of the front end and the rear end of the main body. According to the capacitor pin inserting mechanism, the capacitor pins are accommodated in the capacitor main body through the accommodating mechanism, so that the space is saved, the problem that the pins are mutually clamped when a plurality of capacitors are placed together is solved, the pins are prevented from being deformed or even broken easily under the influence of external force, the capacitor cannot be used, and the pins can be inserted into the inserting holes by pushing the push plate, so that a worker can conveniently install the capacitors.

Description

Adjustable capacitor

Technical Field

The invention relates to the technical field of capacitor equipment, in particular to an adjustable capacitor.

Background

The capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C. Defining one: a capacitor, as the name implies, is an 'electrically charged container', a device that contains an electrical charge. The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. Definition II: a capacitor is formed between any two conductors (including wires) which are insulated and closely spaced from each other.

Thereby the condenser is connected with electronic component in inserting the jack through the pin, therefore the pin is one of the parts that are essential in the condenser, nevertheless because the condenser pin generally directly exposes externally among the prior art, occupation space not only leads to a plurality of condensers to place comparatively in disorder when together, and the pin receives external force to influence easily and takes place deformation, splits even, causes the unable condition of using of condenser to appear.

To this end, an adjustable capacitor is proposed.

Disclosure of Invention

The present invention is directed to an adjustable capacitor, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable capacitor comprises a main body, wherein a movable disc is rotatably connected to the center of the outer surface of the lower end of the main body, a connecting base is attached to the outer surface of the lower end of the main body, a connecting groove is formed in the position, close to the movable disc, of the outer surface of the upper end of the connecting base, the movable disc and the connecting base are attached to each other, and storage mechanisms are symmetrically and slidably connected to the outer surfaces of the front end and the rear end of the main body;

the receiving mechanism comprises a through groove and pins.

Preferably, the through grooves are symmetrically arranged on the outer surfaces of the front end and the rear end of the main body, the upper ends of the inner surfaces of the through grooves are fixedly connected with fixing rods, the outer surface of the fixed rod is connected with a push plate in a sliding way, the cross section of the push plate is designed into an L-shaped structure, the outer surface of the fixed rod is sleeved with a first spring which is elastically connected between the push plate and the through groove, the pin is fixedly connected with the outer surface of the lower end of the push plate, two jacks are arranged on the outer surface of the upper end of the connecting base close to the pin, two first through holes are arranged in the movable disc and close to the pins, two grooves are symmetrically arranged on two sides of the upper end of the inner surface of the push plate, an elastic plate is fixedly connected with one side of the inner surface of each groove, one end of the elastic plate is fixedly connected with a clamping block, and two first clamping grooves are symmetrically formed in the positions, located at the lower end of the clamping block, of the two sides of the inner surface of the through groove.

Preferably, the even fixedly connected with four stoppers of annular surface of activity dish, four spacing grooves have evenly been seted up in the position that the annular internal surface of spread groove is close to the stopper, stopper and spacing groove laminate each other.

Preferably, one side surface upper end fixedly connected with sloping block of pin, the activity groove has been seted up to the inside position that is close to first through-hole of stopper, the inside sliding connection in activity groove has the kelly, the surface of kelly has cup jointed the second spring, second spring elastic connection is between stopper and activity groove, the second draw-in groove has been seted up to the position that internal surface one side of spacing groove is close to the kelly.

Preferably, the inside of activity dish is located the position symmetry between two first through-holes and has seted up two second through-holes, the both ends surface is symmetrical sliding connection also about the main part has receiving mechanism.

Preferably, two arc-shaped grooves are formed in the positions, close to the inner sides of the first through hole and the second through hole, of the outer surface of the upper end of the movable disc, two movable rods are connected to the positions, located at one ends of the arc-shaped grooves, of the outer surface of the lower end of the main body in a sliding mode, and the movable rods are connected with the arc-shaped grooves in a sliding mode.

Preferably, two spherical grooves are symmetrically formed in two ends of the arc-shaped groove, sliding grooves are formed in the positions, close to the movable rods, of the outer surface of the lower end of the main body, the sliding grooves of the movable rods are connected in a sliding mode, and third springs are elastically connected between the movable rods and the sliding grooves.

Preferably, the lower end of the outer surface of the main body is fixedly connected with a heat dissipation plate, and the cross section of the heat dissipation plate is designed to be in a tooth-shaped structure.

Preferably, the outer surfaces of the push plate and the fixture block are provided with heat dissipation pads.

Preferably, the movable disc is made of a magnetic metal material, a circular groove is formed in the center of the outer surface of the upper end of the main body, the circular groove and the movable disc are matched with each other, and the magnetic material is arranged on the inner surface of the circular groove.

Compared with the prior art, the invention has the beneficial effects that:

according to the capacitor pin inserting mechanism, the capacitor pins are accommodated in the capacitor main body through the accommodating mechanism, so that the space is saved, the problem that the pins are mutually clamped when a plurality of capacitors are placed together is solved, the pins are prevented from being deformed or even broken easily under the influence of external force, the capacitor cannot be used, and the pins can be inserted into the inserting holes by pushing the push plate, so that a worker can conveniently install the capacitors.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a cross-sectional view of the overall construction of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a sectional view of the combination of the notch and the latch of the present invention;

FIG. 6 is a sectional view of the main body and the receiving mechanism according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at B in accordance with the present invention;

fig. 8 is a combined view of the movable plate and the arc-shaped groove of the invention.

In the figure: 1. a main body; 2. a movable tray; 3. a connecting base; 4. connecting grooves; 5. a storage mechanism; 51. a through groove; 52. fixing the rod; 53. pushing the plate; 54. a first spring; 55. a pin; 56. a jack; 57. a first through hole; 58. a groove; 59. an elastic plate; 510. a clamping block; 511. a first card slot; 512. a sloping block; 513. a movable groove; 514. a clamping rod; 515. a second spring; 516. a second through hole; 517. an arc-shaped slot; 518. a movable rod; 519. a spherical groove; 520. a chute; 521. a third spring; 522. a circular groove; 529. a second card slot; 6. a limiting block; 7. a limiting groove; 8. a heat sink.

Detailed Description

The invention now will be described in connection with a few, but not all, embodiments of the invention. 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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 considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1 to 8, the present invention provides a technical solution of an adjustable capacitor:

an adjustable capacitor is disclosed, as shown in fig. 1 to 3, and comprises a main body 1, wherein a movable disc 2 is rotatably connected to the central position of the outer surface of the lower end of the main body 1, a connecting base 3 is attached to the outer surface of the lower end of the main body 1, a connecting groove 4 is formed in the position, close to the movable disc 2, of the outer surface of the upper end of the connecting base 3, the movable disc 2 and the connecting base 3 are attached to each other, and storage mechanisms 5 are symmetrically and slidably connected to the outer surfaces of the front end and the rear end of the main body 1;

the receiving mechanism 5 includes a through slot 51 and a pin 55.

According to the capacitor pin 55, the accommodating mechanism 5 is arranged, so that the capacitor pin 55 is accommodated in the capacitor main body 1, the space is saved, the problem that the pins 55 are mutually clamped when a plurality of capacitors are placed together is solved, and the situation that the pins 55 are easily deformed or even broken under the influence of external force to cause the capacitor to be unusable is prevented.

As an embodiment of the present invention, as shown in fig. 1 to 7, the through grooves 51 are symmetrically formed on outer surfaces of front and rear ends of the main body 1, the upper end of an inner surface of the through groove 51 is fixedly connected with a fixing rod 52, an outer surface of the fixing rod 52 is slidably connected with a push plate 53, a cross section of the push plate 53 is designed to be in an L-shaped structure, the outer surface of the fixing rod 52 is sleeved with a first spring 54, the first spring 54 is elastically connected between the push plate 53 and the through groove 51, the pin 55 is fixedly connected to an outer surface of a lower end of the push plate 53, two insertion holes 56 are formed in an outer surface of an upper end of the connecting base 3 at positions close to the pin 55, two first through holes 57 are formed in an inner portion of the movable disc 2 at positions close to the pin 55, two grooves 58 are symmetrically formed in two sides of an upper end of an inner surface of the push plate 53, and an elastic plate 59 is fixedly connected to one side of an inner surface of each of the two grooves 58, one end of the elastic plate 59 is fixedly connected with a clamping block 510, and two first clamping grooves 511 are symmetrically formed in the positions, located at the lower end of the clamping block 510, on two sides of the inner surface of the through groove 51.

In operation, because the pins 55 of the capacitor in the prior art are generally directly exposed outside, which not only occupies space and causes a plurality of capacitors to be placed together in disorder, but also causes the situation that the pins 55 are easily deformed or even broken by external force and causes the capacitors to be unusable, the invention, by providing the accommodating mechanism 5, can attach the movable disc 2 and the connecting groove 4 to each other when the capacitor is installed, so that the first through hole 57 corresponds to the position of the insertion hole 56, then pinch the fixture block 510 to deform the elastic plate 59, the fixture block 510 is contracted into the groove 58, and then slide the push plate 53 downwards to drive the pins 55 to move downwards, so that the pins 55 pass through the first through hole 57 and are inserted into the insertion hole 56, at this time, the position of the fixture block 510 corresponds to the position of the first clamping groove 511, release the fixture block 510 to restore the deformation of the elastic plate 59, and the fixture block 510 is restored to the initial position and is engaged with the first clamping groove 511, the push plate 53 and the pins 55 are fixed, so that the capacitor installation work is completed, the capacitor pins 55 are accommodated in the capacitor main body 1 by arranging the accommodating mechanism 5, the space is saved, the problem that the pins 55 are mutually clamped when a plurality of capacitors are placed together is solved, the pins 55 are prevented from being easily deformed or even broken under the influence of external force, so that the capacitor cannot be used, and the pins 55 can be inserted into the insertion holes 56 by pushing the push plate 53, so that a worker can conveniently install the capacitors.

As an embodiment of the present invention, as shown in fig. 4, four limiting blocks 6 are uniformly and fixedly connected to the annular outer surface of the movable disk 2, four limiting grooves 7 are uniformly formed in the positions, close to the limiting blocks 6, of the annular inner surface of the connecting groove 4, and the limiting blocks 6 and the limiting grooves 7 are attached to each other.

During operation, because an operator cannot observe the corresponding positions of the first through hole 57 and the jack 56 during installation, the situation that the jacks 56 and the first through hole 57 are staggered easily occurs, and the difficulty is brought to the installation of a capacitor for the operator.

As an embodiment of the present invention, as shown in fig. 3 and 4, an inclined block 512 is fixedly connected to an upper end of an outer surface of one side of the pin 55, a movable groove 513 is formed in a position, close to the first through hole 57, inside the limit block 6, a clamping rod 514 is slidably connected to the inside of the movable groove 513, a second spring 515 is sleeved on an outer surface of the clamping rod 514, the second spring 515 is elastically connected between the limit block 6 and the movable groove 513, and a second clamping groove 529 is formed in a position, close to the clamping rod 514, on one side of an inner surface of the limit groove 7.

When in work, the movable disc 2 is easy to be loosened under the influence of external force due to the lack of a fixing device between the movable disc 2 and the connecting groove 4, the pins 55 are driven to be bent, deformed or even broken, further, the capacitor is damaged, the clamping rod 514 is arranged, when the capacitor is mounted and the push plate 53 slides downwards to drive the pin 55 to move downwards, the inclined block 512 moves downwards along with the pin, when the pin 55 is inserted into the insertion hole 56, the inclined surface of the inclined block 512 and the insertion rod contact with each other to press the insertion rod to move, so that the insertion rod is clamped with the second clamping groove 529, the insertion rod and the second clamping groove 529 are clamped with each other, the connection strength between the movable disc 2 and the connection groove 4 is increased by utilizing the mutual clamping of the insertion rod and the second clamping groove 529, so as to prevent that activity dish 2 from receiving external force to influence to produce not hard up, drive pin 55 and take place bending deformation, fracture even, and then the condition that leads to the condenser to damage appears.

As an embodiment of the present invention, as shown in fig. 1, 2 and 8, two second through holes 516 are symmetrically opened at positions between the two first through holes 57 in the movable plate 2, and the outer surfaces of the left and right ends of the main body 1 are also symmetrically slidably connected to the housing mechanisms 5.

During operation, because the shape of the capacitor is not fixed, and when the installation space is limited, in order to avoid the situation that the capacitor is extruded with other elements, the plugging direction of the capacitor needs to be changed, the invention can rotate the movable disc 2 by arranging the second through hole 516, when the plugging mode of the capacitor needs to be changed, the second through hole 516 corresponds to the position of the pin 55, then the main body 1 is rotated by ninety degrees, the pin 55 is driven to move by the movable push plate 53, and the pin 55 passes through the second through hole 516 and is plugged with the jack 56.

As an embodiment of the present invention, as shown in fig. 4 and 8, two arc-shaped grooves 517 are formed on the outer surface of the upper end of the movable disc 2 at positions close to the inner sides of the first through hole 57 and the second through hole 516, two movable rods 518 are slidably connected to the outer surface of the lower end of the main body 1 at one end of the arc-shaped grooves 517, and the movable rods 518 are slidably connected to the arc-shaped grooves 517.

Because the movable disc 2 is rotatably connected with the main body 1, the movable disc 2 is easily deflected under the influence of external force, so that the first through hole 57 or the second through hole 516 and the jack 56 are staggered, the movable disc 2 is limited by arranging the arc-shaped groove 517 and the movable rod 518 in a sliding connection manner, when the movable disc 2 is rotated to drive the arc-shaped groove 517 to rotate, the end of the arc-shaped groove 517 is in contact with the movable rod 518, and the first through hole 57 or the second through hole 516 corresponds to the jack 56 at the moment, so that the capacitor is convenient to mount.

As shown in fig. 4 and 8, two spherical grooves 519 are symmetrically formed at both ends of the arc-shaped groove 517, a sliding groove 520 is formed at a position on the outer surface of the lower end of the main body 1, which is close to the movable rod 518, the movable rod 518 is slidably connected to the sliding groove 520, and a third spring 521 is elastically connected between the movable rod 518 and the sliding groove 520.

According to the invention, the spherical groove 519 is clamped with the movable rod 518, when the movable disc 2 rotates, the spherical groove 519 extrudes towards the movable rod 518 in an arc-shaped surface, so that the third spring 521 contracts, the movable rod 518 and the spherical groove 519 are separated from each other, when the arc-shaped groove 517 rotates along with the movable disc 2 to the position where the spherical groove 519 at the other end corresponds to the movable rod 518, the third spring 521 recovers deformation, so that the movable rod 518 enters the spherical groove 519 and is clamped with the spherical groove 519, and the movable disc 2 is fixed again.

As an embodiment of the present invention, as shown in fig. 1, a heat sink plate 8 is fixedly connected to a lower end of an outer surface of the main body 1, and a cross section of the heat sink plate 8 is designed to have a tooth-like structure.

Because the working elements of the capacitor are generally concentrated on the upper part, the heat distribution on the upper part of the capacitor is serious when the capacitor works, and the capacitor is easy to damage, the heat dissipation plate 8 is arranged at the lower end of the outer surface of the main body 1, and the heat generated when the electronic elements on the main body 1 work is absorbed by the heat dissipation plate 8, so that the whole heat dissipation of the capacitor is uniform, and the service life of the capacitor is prolonged.

As an embodiment of the present invention, as shown in fig. 1, the outer surfaces of the push plate 53 and the latch 510 are provided with heat dissipation pads.

According to the invention, the heat dissipation pad is arranged and used for heat insulation, so that the condition that workers are scalded when disassembling hands of the capacitor is prevented.

As an embodiment of the present invention, as shown in fig. 6, the movable plate 2 is made of a magnetic metal material, a circular groove 522 is formed at a central position of an outer surface of an upper end of the main body 1, the circular groove 522 is engaged with the movable plate 2, and the magnetic material is provided on an inner surface of the circular groove 522.

According to the invention, the circular groove 522 is arranged, the magnetic material is arranged on the inner surface of the circular groove 522, and in addition, the movable disc 2 is made of the magnetic metal material, so that the circular groove 522 and the movable disc 2 can be mutually attracted to stack a plurality of main bodies 1, thus not only saving space, but also avoiding the situation that a plurality of capacitors are easily lost when being randomly placed.

The using method comprises the following steps: by arranging the accommodating mechanism 5, when the capacitor is installed, the movable disc 2 and the connecting groove 4 can be mutually attached to enable the first through hole 57 to correspond to the insertion hole 56, then the fixture block 510 is held to enable the elastic plate 59 to deform, the fixture block 510 shrinks to the inside of the groove 58, then the push plate 53 slides downwards to drive the pin 55 to move downwards to enable the pin 55 to penetrate through the first through hole 57 and be mutually inserted with the insertion hole 56, at the moment, the fixture block 510 corresponds to the first clamping groove 511, the fixture block 510 is released to enable the elastic plate 59 to recover the deformation, the fixture block 510 recovers to the initial position and is mutually clamped with the first clamping groove 511 to fix the push plate 53 and the pin 55, so that the installation work of the capacitor is completed, through arranging the clamping rod 514, when the installation capacitor slides downwards to drive the pin 55 to move downwards, the inclined block 512 moves downwards along with the pin, and when the pin 55 is inserted with the insertion hole 56, the sloping block 512 inclined plane and inserted bar contact each other and extrude the inserted bar and take place to remove, make inserted bar and the mutual block of second draw-in groove 529, when installation space is limited, in order to avoid causing the circumstances of taking place the extrusion with other components to appear, need change the grafting direction of condenser, rotate movable disc 2, make second through-hole 516 correspond with pin 55 position, then ninety degrees rotation main part 1, rethread removal push pedal 53 drives pin 55 and removes, make pin 55 pass second through-hole 516 and peg graft with jack 56 each other.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable capacitor comprises a main body (1),

the method is characterized in that: the movable disc (2) is rotatably connected to the center of the outer surface of the lower end of the main body (1), the outer surface of the lower end of the main body (1) is connected with a connecting base (3) in a fitting manner, a connecting groove (4) is formed in the position, close to the movable disc (2), of the outer surface of the upper end of the connecting base (3), the movable disc (2) and the connecting base (3) are mutually attached, and the outer surfaces of the front end and the rear end of the main body (1) are symmetrically and slidably connected with accommodating mechanisms (5);

the accommodating mechanism comprises a through groove (51) and a pin (55);

the outer surfaces of the front end and the rear end of the main body (1) are symmetrically arranged on the through groove (51), the fixing rod (52) is fixedly connected to the upper end of the inner surface of the through groove (51), the push plate (53) is slidably connected to the outer surface of the fixing rod (52), the cross section of the push plate (53) is in an L-shaped structural design, the outer surface of the fixing rod (52) is sleeved with a first spring (54), the first spring (54) is elastically connected between the push plate (53) and the through groove (51), the pins (55) are fixedly connected to the outer surface of the lower end of the push plate (53), two jacks (56) are formed in the position, close to the pins (55), of the outer surface of the upper end of the connecting base (3), two first through holes (57) are formed in the position, close to the pins (55), two grooves (58) are symmetrically formed in the two sides of the upper end of the inner surface of the push plate (53), the elastic plate (59) is fixedly connected to one side of the inner surface of each of the two grooves (58), a clamping block (510) is fixedly connected to one end of each elastic plate (59), and two first clamping grooves (511) are symmetrically formed in positions, located at the lower end of each clamping block (510), of two sides of the inner surface of each through groove (51).

2. An adjustable capacitor according to claim 1, wherein: the even fixedly connected with four stopper (6) of annular surface of activity dish (2), four spacing groove (7) have evenly been seted up to the position that the annular internal surface of spread groove (4) is close to stopper (6), stopper (6) laminate each other with spacing groove (7).

3. An adjustable capacitor according to claim 2, wherein: the utility model discloses a lead screw, including pin (55), the inside of stopper (6) has been seted up near the position of first through-hole (57) and has been moved movable groove (513), the inside sliding connection of activity groove (513) has kelly (514), the surface of kelly (514) has cup jointed second spring (515), second spring (515) elastic connection is between stopper (6) and activity groove (513), second draw-in groove (529) have been seted up near the position of kelly (514) to the internal surface one side of spacing groove (7).

4. An adjustable capacitor according to claim 1, wherein: two second through holes (516) have been seted up to the position symmetry that the inside of activity dish (2) is located between two first through-holes (57), the both ends surface is also symmetrical sliding connection to have receiving mechanism (5) about main part (1).

5. An adjustable capacitor according to claim 4, wherein: two arc wall (517) have been seted up to the position that the upper end surface of activity dish (2) is close to first through-hole (57) and second through-hole (516) inboard, the position sliding connection that the lower extreme surface of main part (1) is located arc wall (517) one end has two movable rod (518), movable rod (518) and arc wall (517) sliding connection.

6. An adjustable capacitor according to claim 5, wherein: two spherical grooves (519) have been seted up to arc wall (517) both ends symmetry, spout (520) have been seted up to the position that the lower extreme surface of main part (1) is close to movable rod (518), movable rod (518) spout (520) sliding connection, elastic connection has third spring (521) between movable rod (518) and spout (520).

7. An adjustable capacitor according to claim 1, wherein: the heat dissipation plate is characterized in that the lower end of the outer surface of the main body (1) is fixedly connected with a heat dissipation plate (8), and the cross section of the heat dissipation plate (8) is designed into a tooth-shaped structure.

8. An adjustable capacitor according to claim 1, wherein: and heat dissipation pads are arranged on the outer surfaces of the push plate (53) and the fixture block (510).

9. An adjustable capacitor according to claim 1, wherein: the movable disc (2) is made of a magnetic metal material, a circular groove (522) is formed in the center of the outer surface of the upper end of the main body (1), the circular groove (522) is matched with the movable disc (2) mutually, and the magnetic material is arranged on the inner surface of the circular groove (522).