CN214012754U

CN214012754U - Capacitor shell and capacitor thereof

Info

Publication number: CN214012754U
Application number: CN202120171003.7U
Authority: CN
Inventors: 张晓华; 晋燕宏
Original assignee: Tianjin Jintonghua Smart Energy Technology Co ltd
Current assignee: Tianjin Jintonghua Smart Energy Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-20
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a capacitor shell and a capacitor thereof, belonging to the technical field of electrolytic capacitor, comprising a capacitor core shell, wherein the top end of the capacitor core shell extends out of a guide pin, an inner shell is sleeved on the outer side of the capacitor core shell, a porcelain shell is sleeved on the outer side of the inner shell, an outer shell is sleeved on the outer side of the porcelain shell, the surface of the porcelain shell is provided with a through hole, a connecting block is embedded in the through hole, the connecting block is welded between the inner shell and the outer shell, and the outer side of the shell is sleeved with an embedded cover, the outer side of the embedded cover is fixedly connected with an annular edge, the annular edge is sleeved on the outer side of the shell, an inner shell, a porcelain shell and an outer shell are sequentially arranged on the outer side of the capacitor core shell, a connecting block is arranged at a perforation on the surface of the porcelain shell to fixedly connect the inner shell and the outer shell, when the capacitor core shell is pressed by the outside, the outer side is provided with the multilayer composite shell for surrounding protection, and the capacitor core shell is prevented from being pressed and damaged by external force.

Description

Capacitor shell and capacitor thereof

Technical Field

The utility model relates to an electrolytic capacitor technical field especially relates to a capacitor case and condenser thereof.

Background

Two conductors which are close to each other, with a non-conductive insulating medium in between, constitute a capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). The capacitor element is generally denoted by letter C in the circuit diagram.

Patent No. CN201922398320.8 discloses a capacitor case comprising: the heat dissipation device comprises a heat dissipation shell, a first heat dissipation device and a second heat dissipation device, wherein the heat dissipation shell is provided with a first opening cavity, and the outer wall of the heat dissipation shell is provided with a groove; an inner shell having a second open chamber disposed therein, the inner shell disposed within the first open chamber; the heat conducting layer is arranged between the inner wall of the first open cavity and the outer wall of the inner shell and is tightly connected with the inner wall of the first open cavity; the bottom cover is provided with a through hole and is arranged at the top of the heat dissipation outer shell and fixedly connected with the heat dissipation outer shell or the inner shell; the sealing layer is arranged in the through hole and is fixedly connected with the inner wall of the through hole; and a capacitor using such a case; possesses good passive radiating effect and explosion-proof ability.

1. The outer side of the capacitor in the prior art is provided with a single-layer shell, when the shell is extruded by external force, the shell is easily deformed by pressure, so that the inner part of the shell is gradually damaged, and the existing capacitor shell cannot provide good protection for the capacitor, so that the capacitor shell and the capacitor thereof are provided.

2. A guide pin extends out of the top end of a capacitor in the prior art, the outer side of the guide pin lacks of a protection structure, and the guide pin is easily damaged by bending by mistake when the capacitor is transported.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of capacitor case and condenser thereof can effectively solve above-mentioned problem.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of capacitor case and condenser thereof, including capacitor core shell, capacitor core shell's top is stretched out there is the guide pin, and capacitor core shell's the outside has cup jointed the inner shell, and the outside of inner shell has cup jointed porcelain shell, porcelain shell's the outside has cup jointed the shell, and porcelain shell's surface has seted up the perforation, the inside embedding of perforation has the connecting block, the connecting block welds between inner shell and shell, and the outside of shell has cup jointed the gomphosis cover, the outside fixedly connected with ring arris of gomphosis cover, and ring arris ring cover in the outside of shell, the top of gomphosis cover is stretched out there is the protection tube, and the inside of protection tube stretches out there is the guide pin.

Optionally, a rubber inner cylinder is vulcanized on the inner wall of the protection tube outside the guide pin.

Optionally, the inner shell, the connecting block and the outer shell are made of metal aluminum.

Optionally, the connecting blocks between the inner shell and the outer shell are provided with two groups, and the through holes on the surface of the porcelain shell are provided with two groups.

Optionally, a round hole is formed in the top end of the inner shell, and a guide pin extends out of the round hole.

The utility model has the advantages as follows:

1. the utility model discloses an inner shell, porcelain shell and shell set gradually in the outside of condenser core shell to there are connecting block fixed connection inner shell and shell porcelain shell surface perforation department, when the condenser core shell receives outside oppression, and there is the compound casing of multilayer to surround the protection in the outside, avoids the condenser core shell to receive external force oppression to damage, has solved the poor problem of current condenser shell simple structure protective capability.

2. The utility model discloses a cup joint the ring arris of gomphosis cover on the shell surface in the condenser core shell outside, what gomphosis cover top simultaneously has the protection tube to supply the guide pin embedding, and when condenser core shell transportation, the outside of guide pin has the protection tube to provide rigid protection, receives the extrusion bending when avoiding the guide pin transportation, has solved the problem that the guide pin outside of current condenser shell lacks protection architecture.

Drawings

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

Fig. 1 is a schematic view of a capacitor case and a case structure of a capacitor thereof according to an embodiment of the present invention.

Fig. 2 is a schematic view of a capacitor case and a guide pin protection structure of a capacitor thereof according to an embodiment of the present invention.

In the figure: 1. a capacitor core shell; 2. guiding a needle; 3. an inner shell; 4. a porcelain shell; 5. perforating; 6. connecting blocks; 7. a housing; 8. a fitting cover; 9. ring edges; 10. protecting the tube; 11. a rubber inner cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A capacitor case and a capacitor thereof according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, an embodiment of the present invention provides a capacitor shell and capacitor thereof, including capacitor core shell 1, capacitor core shell 1's top is stretched out and is had guide pin 2, and capacitor core shell 1's the outside has cup jointed inner shell 3, and the outside of inner shell 3 has cup jointed porcelain shell 4, outer shell 7 has been cup jointed in porcelain shell 4's the outside, and porcelain shell 4's surface has seted up perforation 5, the inside embedding of perforation 5 has connecting block 6, connecting block 6 welds between inner shell 3 and outer shell 7, and the outside of outer shell 7 has cup jointed gomphosis cover 8, the outside fixedly connected with ring edge 9 of gomphosis cover 8, and ring edge 9 ring cover in the outside of outer shell 7, the top of gomphosis cover 8 is stretched out and is had protection tube 10, and the inside of protection tube 10 is stretched out and is had guide pin 2.

The example, set gradually inner shell 3 in the outside of condenser core shell 1, porcelain shell 4 and shell 7, and there are connecting block 6 fixed connection inner shell 3 and shell 7 in porcelain shell 4 surface perforation 5 department, when condenser core shell 1 receives the outside oppression, and there is the compound casing of multilayer to surround the protection in the outside, avoid condenser core shell 1 to receive external force oppression to damage, cup joint the arris 9 of gomphosis cover 8 on the shell 7 surface in condenser core shell 1 outside, there is protection tube 10 on 8 tops of gomphosis cover to supply the embedding of guide pin 2 simultaneously, when condenser core shell 1 transports, there is protection tube 10 in the outside of guide pin 2 to provide hard protection, receive the extrusion bending when avoiding the transportation of guide pin 2.

Referring to fig. 2, a rubber inner cylinder 11 is vulcanized on the inner wall of the protection tube 10 outside the guide pin 2.

In an example, the rubber inner cylinder 11 is covered with the guide pin 2 in the protective tube 10 to avoid the friction damage of the guide pin 2 and the rubber inner cylinder 11.

Referring to fig. 1, the inner casing 3, the connecting block 6 and the outer casing 7 are made of aluminum.

For example, the inner shell 3, the connecting block 6 and the outer shell 7 made of metal aluminum are light and strong.

Referring to fig. 1, two sets of connection blocks 6 are arranged between the inner shell 3 and the outer shell 7, and two sets of through holes 5 are formed in the surface of the porcelain shell 4.

Illustratively, the inner shell 3 and the outer shell 7 are firmly connected by means of a large number of connecting pieces 6.

Referring to fig. 1, a circular hole is formed at the top end of the inner shell 3, and a guide pin 2 extends into the circular hole.

Illustratively, the top end of the inner shell 3 has a circular hole for the guide pin 2 to protrude outwards.

The utility model relates to a capacitor shell and condenser thereof, set gradually inner shell 3 in the outside of capacitor core shell 1, porcelain shell 4 and

shell

7, and 4 surperficial perforation 5 departments of porcelain shell have connecting block 6 fixed connection inner shell 3 and shell 7, when capacitor core shell 1 receives outside oppression, and there is the compound casing of multilayer to surround the protection in the outside, avoid capacitor core shell 1 to receive external force oppression to damage, cup joint the arris 9 of gomphosis cover 8 on the shell 7 surface in the 1 outside of capacitor core shell, simultaneously gomphosis cover 8 tops have protection tube 10 to supply the embedding of guide pin 2, when capacitor core shell 1 transports, the outside of guide pin 2 has protection tube 10 to provide hard protection, receive the extrusion bending when avoiding the transportation of guide pin 2.

The utility model relates to a capacitor shell and a capacitor thereof, which comprises a capacitor core shell 1; 2. guiding a needle; 3. an inner shell; 4. a porcelain shell; 5. perforating; 6. connecting blocks; 7. a housing; 8. a fitting cover; 9. ring edges; 10. protecting the tube; 11. the rubber inner barrel and the components are all universal standard parts or components known by the technicians in the field, and the structure and the principle of the rubber inner barrel are known by the technicians in the technical manual or by the conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a capacitor case and condenser thereof, includes capacitor core shell (1), its characterized in that: the top of condenser core shell (1) stretches out and has guide pin (2), and inner shell (3) have been cup jointed in the outside of condenser core shell (1), and porcelain shell (4) have been cup jointed in the outside of inner shell (3), shell (7) have been cup jointed in the outside of porcelain shell (4), and the surface of porcelain shell (4) has seted up perforation (5), the inside embedding of perforation (5) has connecting block (6), connecting block (6) weld between inner shell (3) and shell (7), and the outside of shell (7) has cup jointed gomphosis cover (8), the outside fixedly connected with ring arris (9) of gomphosis cover (8), and ring arris (9) ring cover in the outside of shell (7), the top of gomphosis cover (8) is stretched out and is had protection tube (10), and the inside of protection tube (10) is stretched out and is had guide pin (2).

2. A capacitor case and capacitor thereof as claimed in claim 1, wherein: and a rubber inner cylinder (11) is vulcanized on the inner wall of the protective tube (10) at the outer side of the guide pin (2).

3. A capacitor case and capacitor thereof as claimed in claim 1, wherein: the inner shell (3), the connecting block (6) and the outer shell (7) are made of metal aluminum.

4. A capacitor case and capacitor thereof as claimed in claim 1, wherein: the connecting blocks (6) between the inner shell (3) and the outer shell (7) are provided with two groups, and the through holes (5) on the surface of the porcelain shell (4) are provided with two groups.

5. A capacitor case and capacitor thereof as claimed in claim 1, wherein: a round hole is formed in the top end of the inner shell (3), and a guide pin (2) extends out of the round hole.