CN216412884U

CN216412884U - Novel capacitor

Info

Publication number: CN216412884U
Application number: CN202123085263.1U
Authority: CN
Inventors: 蔡航凯; 蔡富强
Original assignee: Wenzhou Weidekang Railway Equipment Co ltd
Current assignee: Wenzhou Weidekang Railway Equipment Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-29
Anticipated expiration: 2031-12-07

Abstract

The present invention provides a novel capacitor comprising: the capacitor comprises a cylinder body, a first connecting piece and a second connecting piece, wherein the cylinder body is provided with a mounting cavity suitable for mounting a capacitor core, and a first opening and a second opening which are respectively arranged at two sides of the mounting cavity; the shielding shell is arranged in the installation cavity, and a first cover plate and a second cover plate are respectively arranged on two sides of the shielding shell; the capacitor core is arranged in the shielding shell, and two ends of the capacitor core are respectively connected with a conducting wire; the shielding case surface is located to the cover to the sealing washer, contradicts with the barrel medial surface, the sealing washer be suitable for with the barrel is sealed to be separated into first filling chamber and second filling chamber, and the poor defect of product leakproofness when filling epoxy among the prior art can be overcome to this novel condenser.

Description

Novel capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a novel capacitor.

Background

The existing track circuit compensating capacitor comprises a cylinder body, an end cover and a capacitor core, wherein the end cover is arranged on one side of the cylinder body, the capacitor core is arranged inside the cylinder body, epoxy resin is filled between the capacitor core and the inner wall of the cylinder body, the cylinder body is required to be sealed on one side of the cylinder body by the end cover at first in the filling process, the cylinder body is vertically placed (the end cover is positioned at the bottom of the cylinder body), then the epoxy resin is filled into the cylinder body, the mode that the end cover and the cylinder body are sealed is adopted, on the one hand, the defect of poor sealing performance exists, and on the other hand, the production cost of the end cover is higher.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect of poor product sealing property when epoxy resin is poured in the prior art, and provide a capacitor with good sealing property.

To this end, the present invention provides a novel capacitor comprising: the capacitor comprises a cylinder body, a first connecting piece and a second connecting piece, wherein the cylinder body is provided with a mounting cavity suitable for mounting a capacitor core, and a first opening and a second opening which are respectively arranged at two sides of the mounting cavity; the shielding shell is arranged in the installation cavity, and a first cover plate and a second cover plate are respectively arranged on two sides of the shielding shell; the capacitor core is arranged in the shielding shell, and two ends of the capacitor core are respectively connected with a conducting wire; and the sealing ring is sleeved on the surface of the shielding shell and abutted against the inner side surface of the cylinder body, and the sealing ring is suitable for sealing and separating the cylinder body into a first filling cavity and a second filling cavity.

Further: first apron and second apron respectively with the both sides joint in the shielding shell outside, be provided with first perforation and the second perforation that is used for supplying the wire to pass on first apron and the second apron respectively.

Further: a spacer for positioning the capacitor core is provided inside the shield case, and the spacer can separate the capacitor core from the shield case.

Further: and the separator is provided with a clamping groove used for being clamped with the capacitor core.

Further: the sealing ring is characterized in that at least one sealing convex edge is arranged on the side face of the sealing ring, the thickness of the sealing convex edge is at least 1mm, the sealing convex edge extends along the circumferential direction of the sealing ring, and the sealing convex edge is abutted against the inner side face of the cylinder body to hermetically separate the first filling cavity and the second filling cavity.

Further: the sealing convex edge is arranged at the upper end and/or the lower end of the sealing ring close to the end part.

Further: the sealing convex edge is arranged in the middle of the sealing ring.

Further: the cross section of the sealing convex edge is rectangular or V-shaped or semicircular.

The technical scheme of the utility model has the following advantages:

1. according to the novel capacitor provided by the utility model, the connection sealing property between the shielding shell and the cylinder body is improved through the arrangement of the sealing ring, the epoxy resin can be effectively prevented from flowing to the other end when the epoxy resin is filled, and the electromagnetic interference of the outside on the capacitor core can be effectively prevented through the arrangement of the shielding shell.

2. According to the novel capacitor provided by the utility model, the surfaces of the capacitor core and the shielding shell can be effectively separated through the arrangement of the separator, and the short circuit caused by the contact between the capacitor core and the shielding shell is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a connection structure between a capacitor core and a shield case;

FIG. 2 is a schematic view of a coupling structure between a shield case and a cylinder;

FIG. 3 is a schematic view of a coupling structure between the shield case and the cylinder;

FIG. 4 is a schematic view of the connection structure between the seal ring and the shield shell and between the seal ring and the cylinder;

FIG. 5 is a schematic view of the connection structure between the seal ring and the shield shell and between the seal ring and the cylinder;

FIG. 6 is a schematic view of another connection structure between the seal ring and the shield shell and the cylinder;

FIG. 7 is a schematic view of another connection structure between the seal ring and the shield shell and the cylinder;

FIG. 8 is a schematic view of another connection structure between the seal ring and the shield shell and the cylinder;

FIG. 9 is a schematic view of another connection structure between the seal ring and the shield shell and the cylinder;

fig. 10 is a schematic view of another connection structure between the seal ring and the shield shell and the cylinder.

Description of reference numerals:

1. a barrel; 11. a first opening; 12. a second opening; 2. a mounting cavity; 3. a shield case; 31. a first cover plate; 32. a second cover plate; 33. a first perforation; 34. a second perforation; 35. a separator; 36. a card slot; 4. a capacitor core; 5. a wire; 6. a seal ring; 7. a first filling cavity; 8. a second filling cavity; 9. and sealing the convex edge.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" 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, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a novel capacitor, including: the capacitor comprises a cylinder body 1, a capacitor core and a capacitor core, wherein the cylinder body 1 is provided with a mounting cavity 2 suitable for mounting a capacitor core 4, and a first opening 11 and a second opening 12 which are respectively arranged at two sides of the mounting cavity 2; the shielding shell 3 is arranged in the installation cavity 2, and a first cover plate 31 and a second cover plate 32 are respectively arranged on two sides of the shielding shell; the capacitor core 4 is arranged in the shielding shell 3, and two ends of the capacitor core are respectively connected with a lead 5; and the sealing ring 6 is sleeved on the surface of the shielding shell 3 and is abutted against the inner side surface of the cylinder body 1, and the sealing ring 6 is suitable for hermetically separating the cylinder body 1 into a first filling cavity 7 and a second filling cavity 8.

The specific improvement is as follows: as shown in fig. 1 and 2: in the installation process, the capacitor core 4 is firstly placed in the shielding shell 3, then the first cover plate 31 and the second cover plate 32 are respectively covered at two ends of the shielding shell 3, the capacitor core 4 is internally connected with the lead 5, the other end of the lead 5 passes through the first cover plate 31 and the second cover plate 32 to extend outwards, then the sealing ring 6 is sleeved on the outer side surface of the shielding shell 3, the shielding shell 3 is placed in the cylinder body 1, epoxy resin is poured at one end firstly, then standing for 3-24 hours, after the epoxy resin is solidified, putting the cylinder body 1 upside down, pouring the epoxy resin again, standing for 3-24 hours, finally completing the manufacture, and through the arrangement of the sealing ring 6, when the epoxy resin is poured for the first time, the sealing ring 6 can play a role in blocking, and the epoxy resin is effectively prevented from flowing to the other end through the side wall in the standing process.

On the basis of the above-described embodiment: the first cover plate 31 and the second cover plate 32 are respectively clamped with two sides of the outer side of the shielding shell, and the first cover plate 31 and the second cover plate 32 are respectively provided with a first through hole 33 and a second through hole 34 for the lead 5 to pass through.

The specific improvement is as follows: as shown in fig. 1: in the installation process, the capacitor core 4 is placed in the shielding shell 3, the lead 5 passes through the first through hole 33 and the second through hole 34, then the first cover plate 31 and the second cover plate 32 are covered on two sides of the shielding shell 3, then the rubber ring is sleeved outside the shielding shell 3, and then the shielding shell 3 is placed inside the barrel body 1.

On the basis of the above-described embodiment: a spacer 35 for positioning the capacitor core 4 is provided inside the shield case 3, and the spacer 35 can separate the capacitor core 4 from the shield case 3.

The specific improvement is as follows: as shown in fig. 2 and 3: the inside separator 35 that is used for fixing a position condenser core 4 that is provided with of shielding shell 3, through the setting of separator 35, can be effectual separation condenser core 4 and the surface of shielding shell 3, avoid contacting between condenser core 4 and the shielding shell 3 and form the short circuit.

On the basis of the above-described embodiment: the separator 35 is provided with a locking groove 36 for locking with the capacitor element 4.

The specific improvement is as follows: as shown in fig. 2 and 3: be provided with on the separator 35 and be used for the draw-in groove 36 with capacitor core 4 joint, through the setting of draw-in groove 36, can make capacitor core 4 and separator 35 joint to the position of fixed capacitor core 4.

On the basis of the above-described embodiment: the side surface of the sealing ring 6 is provided with at least one sealing convex edge 9, the thickness of the sealing convex edge 9 is at least 1mm, the sealing convex edge 9 extends along the circumferential direction of the sealing ring 6, and the sealing convex edge 9 is abutted against the inner side surface of the barrel body 1 to hermetically separate the first filling cavity 7 and the second filling cavity 8.

The specific improvement is as follows: through the setting of sealed protruding edge 9, can effectual increase the leakproofness of being connected between sealing washer 6 and the barrel 1 lateral wall.

On the basis of the above-described embodiment: the sealing flange 9 is arranged at the upper end and/or the lower end of the sealing ring 6 close to the end.

On the basis of the above-described embodiment: the sealing convex edge 9 is arranged in the middle of the sealing ring 6.

On the basis of the above-described embodiment: the cross section of the sealing convex edge 9 is rectangular or V-shaped or semicircular.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A novel capacitor, comprising:

the capacitor comprises a cylinder body (1) and a capacitor core, wherein the cylinder body is provided with a mounting cavity (2) suitable for mounting a capacitor core (4), and a first opening (11) and a second opening (12) which are respectively arranged at two sides of the mounting cavity (2);

the shielding shell (3) is arranged in the installation cavity (2), and a first cover plate (31) and a second cover plate (32) are respectively arranged on two sides of the shielding shell;

the capacitor core (4) is arranged inside the shielding shell (3), and two ends of the capacitor core are respectively connected with a conducting wire (5);

and the sealing ring (6) is sleeved on the surface of the shielding shell (3) and is abutted against the inner side surface of the cylinder body (1), and the sealing ring (6) is suitable for hermetically separating the cylinder body (1) into a first filling cavity (7) and a second filling cavity (8).

2. A capacitor according to claim 1, wherein: first apron (31) and second apron (32) are respectively with the both sides joint in the shielding shell outside, be provided with respectively on first apron (31) and the second apron (32) and be used for supplying first perforation (33) and second perforation (34) that wire (5) passed.

3. A capacitor according to claim 2, wherein: a separator (35) used for positioning the capacitor core (4) is arranged inside the shielding shell (3), and the separator (35) can separate the capacitor core (4) from the shielding shell (3).

4. A capacitor according to claim 3, wherein: and a clamping groove (36) used for being clamped with the capacitor core (4) is arranged on the separator (35).

5. A capacitor according to any one of claims 1-3, wherein: be provided with at least one sealed protruding edge (9) on sealing washer (6) side, the thickness of sealed protruding edge (9) is 1mm at least, sealed protruding edge (9) extend along the circumferencial direction of sealing washer (6) and set up, sealed protruding edge (9) contradict with barrel (1) medial surface in order to seal and separate first filling chamber (7) and second filling chamber (8).

6. A capacitor according to claim 5, wherein: the sealing convex edge (9) is arranged at the upper end and/or the lower end of the sealing ring (6) close to the end part.

7. A capacitor according to claim 5, wherein: the sealing convex edge (9) is arranged in the middle of the sealing ring (6).

8. A capacitor according to claim 5, wherein: the cross section of the sealing convex edge (9) is rectangular or V-shaped or semicircular.