CN212365752U - Capacitor upper cover assembly - Google Patents
Capacitor upper cover assembly Download PDFInfo
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- CN212365752U CN212365752U CN202021496437.6U CN202021496437U CN212365752U CN 212365752 U CN212365752 U CN 212365752U CN 202021496437 U CN202021496437 U CN 202021496437U CN 212365752 U CN212365752 U CN 212365752U
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- positioning hole
- positioning
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- insulating
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Abstract
The utility model provides a condenser upper cover subassembly, include: the cover plate is provided with a plurality of first positioning holes for the wiring terminals to penetrate through; the insulating plate is arranged on the lower side of the cover plate and is provided with a plurality of second positioning holes which are arranged corresponding to the first positioning holes; the connecting terminal comprises an insulating main body part arranged on the upper side of the cover plate and a screw rod penetrating through the insulating main body part, the screw rod sequentially penetrates through the first positioning hole and the second positioning hole and is fixedly connected with the nut, the bottom of the insulating main body part is provided with a positioning block which can be respectively positioned and connected with the first positioning hole and the second positioning hole, compared with the mode that the positioning block torsion is born by only depending on the positioning hole on the cover plate in the prior art, the structure can enable the screw rod and the nut to bear part of the torsion in the screwing process, except that the first positioning hole on the cover plate bears part of the torsion, the second positioning hole on the insulating plate can also bear part of the torsion, so that the first positioning hole with a thinner thickness is prevented from deforming when the torsion is larger, the.
Description
Technical Field
The utility model relates to a condenser technical field, concretely relates to condenser upper cover subassembly.
Background
A capacitor is a device for containing electric charge, and has a wide variety of functions in a circuit, including coupling, filtering, resonance, integration, differentiation, etc., and is widely used in a factory distribution system, a residential area distribution system, a municipal commercial building, a distribution box, etc.
The current capacitor includes a case, and an upper cap assembly disposed on the top of the case, as shown in fig. 5 and 6, the upper cap assembly includes a cap plate 01, an insulating plate 02 disposed on the lower side of the cap plate, and a plurality of connection terminals 03 which are arranged through the cover plate 01 and the insulating plate 02 and fixedly connect the cover plate 01 and the insulating plate 02, wherein the connection terminals 03 are used for connecting an external power supply and a capacitor core, which comprises an insulating main body part 031 arranged on the top of a cover plate 01 and a screw 032 arranged to penetrate through the insulating main body part 031, wherein a hexagonal positioning hole 011 is arranged on the cover plate 01, a round hole 021 for the screw 032 to penetrate through is arranged on an insulating plate 02, a hexagonal positioning block 033 capable of being positioned and connected with the hexagonal positioning hole 011 is arranged at the bottom of the insulating main body part 031, when assembling, the screw 032 penetrates through the positioning hole 011 and the round hole 021 in sequence and then is fixedly connected with the nut 04, so that the cover plate 01 and the insulating plate 02 are fixedly connected. The existing screw 032 and nut 04 are generally assembled by an electric tool, because the thickness of the metal cover plate 01 is only 0.3mm, when the nut 04 is screwed down, if the torque force of the electric tool is too large, the edge of the positioning hole 011 with a thinner thickness is easily deformed, so that sealing cannot be realized, and the cover plate cannot be used after being scrapped.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the torsion among the prior art too big, leads to first perforation to take place the defect of deformation to provide one kind and prevent that first perforation from warping, condenser upper cover subassembly that the reliability is high.
Therefore, the utility model provides a capacitor upper cover assembly, which comprises a cover plate, an insulating plate and a connecting terminal, wherein the cover plate is provided with a plurality of first positioning holes for the connecting terminal to pass through; the insulating plate is arranged on the lower side of the cover plate and is provided with a plurality of second positioning holes which are arranged corresponding to the first positioning holes; the wiring terminal is provided with an insulating main body part arranged on the upper side of the cover plate and a screw rod penetrating through the insulating main body part, the screw rod sequentially penetrates through the first positioning hole and the second positioning hole and then is fixedly connected with a nut, and the bottom of the insulating main body part is provided with positioning blocks which can be respectively in positioning connection with the first positioning hole and the second positioning hole.
The thickness of the insulating plate is greater than that of the cover plate.
The thickness of the insulating plate is larger than 2 mm.
The positioning block is hexagonal, and the first positioning hole and the second positioning hole are hexagons matched with the positioning block.
A first sealing structure for sealing is arranged between the insulating main body part and the cover plate, and a second sealing structure for sealing is arranged between the cover plate and the insulating plate.
The bottom of the insulating main body part is inwards sunken to form an annular groove surrounding the positioning block, and the first sealing structure is a first sealing ring arranged in the annular groove and in a gap between the cover plate and the insulating main body part.
The second sealing structure is a second sealing ring arranged between the insulating plate and the cover plate.
The insulating plate is made of epoxy resin.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a capacitor upper cover assembly, which comprises a cover plate, an insulating plate and a connecting terminal, wherein the cover plate is provided with a plurality of first positioning holes for the connecting terminal to run through; the insulating plate is arranged on the lower side of the cover plate and is provided with a plurality of second positioning holes which are arranged corresponding to the first positioning holes; the wiring terminal is provided with an insulating main body part arranged on the upper side of the cover plate and a screw rod penetrating through the insulating main body part, the screw rod sequentially penetrates through the first positioning hole and the second positioning hole and is fixedly connected with the nut, the bottom of the insulating main body part is provided with a positioning block which can be respectively positioned and connected with the first positioning hole and the second positioning hole, compared with the mode that the positioning block torsion is born by only depending on the positioning hole on the cover plate in the prior art, the structure can enable the screw rod and the nut to bear part of the torsion in the screwing process, except that the first positioning hole on the cover plate bears part of the torsion, the second positioning hole on the insulating plate can also bear part of the torsion, thereby preventing the first positioning hole with a thinner thickness from deforming when the torsion is larger.
2. The utility model provides a capacitor upper cover subassembly, the thickness of insulating plate is greater than the apron thickness, makes the insulating plate share like this and bears bigger torsion, prevents that first locating hole from receiving too big torsion and taking place to warp.
3. The utility model provides a condenser upper cover subassembly is equipped with between insulating main part and the apron and is used for sealed first seal structure, is equipped with between apron and the insulation board to be used for sealed second seal structure, can strengthen the leakproofness between insulating main part and the apron and between apron and the insulation board like this.
4. The utility model provides a capacitor upper cover subassembly, the bottom of insulating main part is inwards sunken to form and encircles the annular groove that the locating piece set up, and first seal structure is in locating the annular groove, and in the first sealing washer in apron and insulating main part clearance, can strengthen the leakproofness between insulating main part and the apron like this.
5. The utility model provides a condenser upper cover subassembly, second seal structure are for locating the second sealing washer between insulation board and the apron, and the second sealing washer has simple structure's advantage.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of a capacitor top cap assembly of the present invention;
FIG. 2 is a top view of the cover plate;
FIG. 3 is a top view of an insulating plate;
fig. 4 is a front view of the terminal;
FIG. 5 is a cross-sectional view of a prior art lid assembly;
FIG. 6 is a top view of the cover plate assembled with the insulator plate;
description of reference numerals: 01. a cover plate; 011. positioning holes; 02. an insulating plate; 021. a circular hole; 03. a wiring terminal; 031. an insulating main body portion; 032. a screw; 033. positioning blocks; 04. a nut;
1. a cover plate; 11. a first positioning hole; 2. a wiring terminal; 21. an insulating main body portion; 22. a screw; 23. positioning blocks; 3. an insulating plate; 31. a second positioning hole; 4. a nut; 5. a first seal ring; 6. and a second seal ring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Examples
The present embodiment provides a capacitor upper cover assembly, as shown in fig. 1, including a cover plate 1, an insulating plate 3, and a connection terminal 2.
The cover plate 1, as shown in fig. 2, has three first positioning holes 11 for the terminals 2 to pass through, and the first positioning holes 11 are hexagonal.
The insulating plate 3, as shown in fig. 1 and 3, is disposed on the lower side of the cap plate 1, and has three second positioning holes 31 corresponding to the first positioning holes 11, the second positioning holes 31 are hexagonal, the thickness of the insulating plate 3 is greater than that of the cap plate 1, and in this embodiment, the thickness of the insulating plate 3 is greater than 2 mm. A second sealing ring 6 is arranged between the insulating plate 3 and the cover plate 1, and the insulating plate 3 is made of epoxy resin.
The wiring terminal 2, as shown in fig. 1 and 4, has an insulating main body 21 disposed on the upper side of the cover plate 1, and a screw rod 22 penetrating through the insulating main body 21, the screw rod 22 sequentially penetrates through the first positioning hole 11 and the second positioning hole 31 and then is fixedly connected with the nut 4, a positioning block 23 capable of being respectively connected with the first positioning hole 11 and the second positioning hole 31 in a positioning manner is disposed at the bottom of the insulating main body 21, the positioning block 23 is a hexagon matched with the first positioning hole 11 and the second positioning hole 31, the bottom of the insulating main body 21 is recessed inwards to form an annular groove surrounding the positioning block 23, and a first sealing ring 5 is disposed in the annular groove.
As an alternative embodiment, the first positioning hole 11, the second positioning hole 31, and the positioning block 23 may be formed in a triangle, a quadrangle, a pentagon, or the like.
The utility model provides a capacitor upper cover assembly, which comprises a cover plate 1, an insulating plate 3 and a wiring terminal 2, wherein the cover plate 1 is provided with a plurality of first positioning holes 11 for the wiring terminal 2 to run through; the insulating plate 3 is arranged at the lower side of the cover plate 1 and is provided with a plurality of second positioning holes 31 which are arranged corresponding to the first positioning holes 11; the connecting terminal 2 is provided with an insulating main body part 21 arranged on the upper side of the cover plate 1 and a screw rod 22 penetrating through the insulating main body part 21, the screw rod 22 sequentially penetrates through the first positioning hole 11 and the second positioning hole 31 and then is fixedly connected with the nut 4, the bottom of the insulating main body part 21 is provided with a positioning block 23 which can be respectively positioned and connected with the first positioning hole 11 and the second positioning hole 31, compared with the mode that the positioning block torsion is born by only depending on the positioning holes on the cover plate in the prior art, the structure can ensure that the second positioning hole 31 on the insulating plate 3 can bear part of the torsion besides the torsion born by the first positioning hole 11 on the cover plate 1 in the screwing process of the screw rod 22 and the nut 4, thereby preventing the first positioning hole 11 with thinner thickness from deforming when the torsion is larger, the reliability is higher, and the rejection rate of.
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 can be made without departing from the scope of the invention.
Claims (8)
1. A capacitor top cap assembly, comprising:
a cover plate (1) having a plurality of first positioning holes (11) through which the terminal pins (2) are inserted;
an insulating plate (3) which is arranged on the lower side of the cover plate (1) and is provided with a plurality of second positioning holes (31) corresponding to the first positioning holes (11);
the wiring terminal (2) is provided with an insulating main body part (21) arranged on the upper side of the cover plate (1) and a screw rod (22) penetrating through the insulating main body part (21), the screw rod (22) sequentially penetrates through the first positioning hole (11) and the second positioning hole (31) and then is fixedly connected with the nut (4), and a positioning block (23) which can be respectively connected with the first positioning hole (11) and the second positioning hole (31) in a positioning mode is arranged at the bottom of the insulating main body part (21).
2. Capacitor top cover assembly according to claim 1, characterized in that the thickness of the insulating plate (3) is larger than the thickness of the cover plate (1).
3. Capacitor upper cover assembly according to claim 2, characterized in that the thickness of the insulating plate (3) is greater than 2 mm.
4. The capacitor top cover assembly according to any one of claims 1-3, wherein the positioning block (23) is hexagonal, and the first positioning hole (11) and the second positioning hole (31) are hexagonal to fit the positioning block (23).
5. The capacitor upper cover assembly according to claim 4, wherein a first sealing structure for sealing is provided between the insulating main body portion (21) and the cover plate (1), and a second sealing structure for sealing is provided between the cover plate (1) and the insulating plate.
6. The capacitor upper cover assembly according to claim 5, wherein the bottom of the insulating main body portion (21) is recessed inward to form an annular groove disposed around the positioning block (23), and the first sealing structure is a first sealing ring (5) disposed in the annular groove and in a gap between the cover plate (1) and the insulating main body portion (21).
7. The capacitor upper cover assembly according to claim 5, wherein the second sealing structure is a second sealing ring (6) provided between the insulating plate (3) and the cover plate (1).
8. The capacitor upper cover assembly according to claim 1, wherein the material of the insulating plate (3) is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496437.6U CN212365752U (en) | 2020-07-24 | 2020-07-24 | Capacitor upper cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496437.6U CN212365752U (en) | 2020-07-24 | 2020-07-24 | Capacitor upper cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212365752U true CN212365752U (en) | 2021-01-15 |
Family
ID=74131637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021496437.6U Active CN212365752U (en) | 2020-07-24 | 2020-07-24 | Capacitor upper cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212365752U (en) |
-
2020
- 2020-07-24 CN CN202021496437.6U patent/CN212365752U/en active Active
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