CN212625202U

CN212625202U - Lead wire capacitor

Info

Publication number: CN212625202U
Application number: CN202021947724.4U
Authority: CN
Inventors: 郭振榆; 郭婉曼; 肖青; 王勇良
Original assignee: Foshan City Shunde District Shenghai Electronic Technology Co ltd
Current assignee: Foshan City Shunde District Shenghai Electronic Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-02-26
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a lead wire capacitor, include the casing, establish core and the lead wire in the casing, the casing intussuseption be filled with insulating medium, the lead wire lower extreme be equipped with core side welded connecting plate, lead wire surface parcel have insulating cover, lead wire upper end stretch out insulating cover, insulating cover be located the core upper end, insulating cover bottom surface and core upper surface between have the interval, the utility model provides a lead wire capacitor that the reliability is high.

Description

Lead wire capacitor

Technical Field

The utility model relates to a condenser technical field especially relates to a lead wire condenser.

Background

The capacitor structure generally includes a housing, a conductive plate and a filler, wherein the capacitor core is disposed in an inner cavity of the housing, terminal pins of the conductive plate are welded to a gold-sprayed layer on an end surface of the capacitor core, and the filler of epoxy resin is disposed between the inner cavity of the housing, the capacitor core and the terminal pins of the conductive plate. According to the prior art, a fan capacitor is disclosed on a national intellectual property office website, the patent number is CN2013207269378, an inserting sheet is equivalent to a lead wire in a lead wire capacitor, the inserting sheet is connected with a core through welding, a connecting sheet is mainly arranged at the lower end of the inserting sheet, a gold spraying layer is arranged on the outer side surface of the core, the connecting sheet is welded with the gold spraying layer to realize the connection of the lead wire and the connecting sheet, an insulating medium is filled between the core and the connecting sheet, but the inserting sheet swings to be in direct contact with the core in the using process, so that short circuit is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the lead capacitor with high reliability is provided.

The utility model adopts the technical proposal that: a lead wire capacitor comprises a shell, a core and a lead wire, wherein the core and the lead wire are arranged in the shell, an insulating medium is filled in the shell, a connecting plate welded with the side face of the core is arranged at the lower end of the lead wire, an insulating sleeve wraps the outer surface of the lead wire, the upper end of the lead wire stretches out of the insulating sleeve, the insulating sleeve is positioned at the upper end of the core, and a distance is reserved between the bottom surface of the insulating sleeve and the upper surface of the core.

After the structure more than adopting, compared with the prior art, the utility model has the following advantage: establish the insulating boot, utilize the insulating boot parcel on the lead wire, insulating boot lower extreme is located the casing, outside insulating boot upper end stretches out the casing, has the interval between insulating boot bottom surface and the core upper surface simultaneously, like this, the inserted sheet can not lead to the short circuit with core direct contact in the swing, the reliability height.

Preferably, the insulating sleeve is a plastic sleeve, so that the cost is low and the insulating effect is good.

Preferably, the diameter of the insulating sleeve is 2-3 times of the diameter of the lead, so that the lead is prevented from being in direct contact with the core, the strength of the lead is enhanced, and the service life is long.

Preferably, the upper surface of the shell is provided with a cover plate, the upper surface of the cover plate is provided with a through hole, the insulating sleeve is clamped in the through hole, the lead is not easy to swing, and the reliability is high.

Preferably, the number of the leads is two, the leads correspond to the through holes one by one, the leads are respectively arranged at the left end and the right end of the cover plate, the leads are arranged on the same diagonal line of the cover plate, interference among the leads is not easy to generate, and the reliability is high.

Preferably, the side face of the connecting plate close to the core is provided with a wave-shaped groove, so that the contact area of the connecting plate and the core is increased, and the connecting plate and the core are connected more firmly.

Preferably, the lead wire insulation device further comprises a compression plate, the compression plate is arranged in the shell and is positioned above the core, so that an insulation medium is conveniently compressed in the shell, the insulation effect is good, meanwhile, the lead wire can be effectively prevented from swinging, and the reliability is high.

Preferably, the two inner side walls of the shell are provided with clamping grooves, and the two ends of the pressing plate are clamped in the clamping grooves respectively, so that the pressing plate is convenient to mount and dismount.

Drawings

Fig. 1 is a front sectional view of a lead capacitor according to the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1;

fig. 3 is a plan view of the lead capacitor of the present invention.

The device comprises a shell 1, a shell 2, a core 3, an insulating medium 4, a lead 5, a connecting plate 6, an insulating sleeve 7, a cover plate 8, a through hole 9, a wave-shaped groove 10, a pressure plate 11 and a clamping groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in figure 1, the utility model provides a lead wire capacitor, which comprises a shell 1, a core 2 and a lead wire 4 which are arranged in the shell 1, wherein an insulating medium 3 is filled in the shell 1, a connecting plate 5 welded with the side surface of the core 2 is arranged at the lower end of the lead wire 4, an insulating sleeve 6 is wrapped on the outer surface of the lead wire 4, the insulating sleeve 6 extends out of the upper end of the lead wire 4, the insulating sleeve 6 is positioned at the upper end of the core 2, and a gap is arranged between the bottom surface of the insulating sleeve 6 and the upper surface of the core 2, the utility model has the advantages that the insulating sleeve 6 is arranged, the lead wire 4 is wrapped by the insulating sleeve 6, the lower end of the insulating sleeve 6 is positioned in the shell 1, the upper end of the insulating sleeve 6 extends out of the shell 1, and the gap is arranged between the bottom surface of the insulating sleeve 6 and the upper surface of the core 2, therefore, the reliability is high.

The insulating sleeve 6 is a plastic sleeve, so that the cost is low and the insulating effect is good.

The diameter of the insulating sleeve 6 is 2-3 times of the diameter of the lead 4, so that the lead 4 is prevented from being in direct contact with the core 2, the strength of the lead 4 is enhanced, and the service life is long.

The upper surface of the shell 1 is provided with a cover plate 7, the upper surface of the cover plate 7 is provided with a through hole 8, the insulating sleeve 6 is clamped in the through hole 8, the lead 4 is not easy to swing, and the reliability is high.

The number of the lead wires 4 is two, the lead wires 4 correspond to the through holes 8 one by one, the lead wires 4 are respectively arranged at the left end and the right end of the cover plate 7, the lead wires 4 are arranged on the same diagonal line of the cover plate 7, interference is not easy to generate between the lead wires 4, and the reliability is high.

The side face of the connecting plate 5 close to the core 2 is provided with a wave-shaped groove 9, so that the contact area between the connecting plate 5 and the core 2 is increased, and the connecting plate 5 and the core 2 are connected more firmly.

The insulating shell further comprises a compression plate 10, the compression plate 10 is arranged in the shell 1, the compression plate 10 is located above the core 2, insulating media 3 are conveniently compressed in the shell 1, the insulating effect is good, meanwhile, the lead 4 can be effectively prevented from swinging, and the reliability is high.

The two inner side walls of the shell 1 are respectively provided with a clamping groove 11, and two ends of the pressing plate 10 are respectively clamped in the clamping grooves 11, so that the installation and the disassembly are convenient.

Particularly, the utility model discloses a principle is to establish insulating cover 6, utilizes insulating cover 6 parcel on lead wire 4, and 6 lower extremes of insulating cover are located casing 1, and outside 6 upper ends of insulating cover stretched out casing 1, there was the interval simultaneously between 6 basal surfaces of insulating cover and the 2 upper surfaces of core, like this, the inserted sheet can not lead to the short circuit with 2 direct contact of core in the wobbling, the reliability height.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a lead wire capacitor, includes casing (1), establishes core (2) and lead wire (4) in casing (1), casing (1) intussuseption be filled with insulating medium (3), lead wire (4) lower extreme be equipped with core (2) side welded connecting plate (5), its characterized in that: lead wire (4) surface parcel have insulating cover (6), lead wire (4) upper end stretch out insulating cover (6), insulating cover (6) be located core (2) upper end, insulating cover (6) bottom surface and core (2) upper surface between have the interval.

2. A lead capacitor as claimed in claim 1, wherein: the insulating sleeve (6) is a plastic sleeve.

3. A lead capacitor as claimed in claim 1, wherein: the diameter of the insulating sleeve (6) is 2-3 times of that of the lead (4).

4. A lead capacitor as claimed in claim 1, wherein: the insulation sleeve is characterized in that a cover plate (7) is arranged on the upper surface of the shell (1), a through hole (8) is formed in the upper surface of the cover plate (7), and the insulation sleeve (6) is clamped in the through hole (8).

5. A lead capacitor as claimed in claim 4, wherein: the number of the lead wires (4) is two, the lead wires (4) correspond to the through holes (8) one by one, the lead wires (4) are respectively arranged at the left end and the right end of the cover plate (7), and the lead wires (4) are arranged on the same diagonal line of the cover plate (7).

6. A lead capacitor as claimed in claim 1, wherein: the side surface of the connecting plate (5) close to the core (2) is provided with a wave-shaped groove (9).

7. A lead capacitor as claimed in claim 1, wherein: the novel motor core structure is characterized by further comprising a compression plate (10), wherein the compression plate (10) is arranged in the shell (1), and the compression plate (10) is located above the core (2).

8. A lead capacitor in accordance with claim 7, wherein: the two inner side walls of the shell (1) are respectively provided with a clamping groove (11), and two ends of the pressing plate (10) are respectively clamped in the clamping grooves (11).