CN216487704U - A bolt head and condenser for condenser - Google Patents
A bolt head and condenser for condenser Download PDFInfo
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- CN216487704U CN216487704U CN202122794504.3U CN202122794504U CN216487704U CN 216487704 U CN216487704 U CN 216487704U CN 202122794504 U CN202122794504 U CN 202122794504U CN 216487704 U CN216487704 U CN 216487704U
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- bolt head
- groove
- core
- capacitor
- core rod
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Abstract
The utility model discloses a bolt head for a capacitor and the capacitor, wherein a groove is arranged on one end face of the bolt head, a radial open groove is arranged on the periphery of the groove, and the radial open groove is communicated with the groove; and the end surface of the bolt head is also provided with a connecting sheet for connecting with a metal spraying surface of the capacitor core. According to the utility model, when the bolt head is connected with the capacitor core, the pouring sealant can flow into the core rod through the groove of the bolt head, so that the core rod is ensured to be filled with the pouring sealant, and the reliability of the capacitor is improved.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to a bolt head for a capacitor and the capacitor.
Background
The axial absorption capacitor is widely applied to the occasions of surge absorption, resonance, high-frequency filtering and the like, and mainly comprises a core, a core rod, a bolt head, a shell and pouring sealant, wherein the core rod is arranged in the core, the core is welded with the bolt head and then arranged in the shell, a gap is reserved between the core and the shell, and the pouring sealant is filled in the gap between the core and the shell, wherein the shell is a plastic shell.
The two metal spraying end faces of the axial absorption capacitor core are respectively connected with the bolt head through tin soldering, no gap exists between the bolt head and the two metal spraying end faces after welding, the bolt head and the two metal spraying end faces are basically in a fit state, and when pouring sealant is filled, the pouring sealant cannot flow into the core rod of the core, so that air exists in the core rod, and the reliability of the capacitor is affected.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a bolt head for a capacitor, such that when the bolt head is connected to a capacitor core, a potting adhesive can flow into the core rod through a groove of the bolt head, thereby ensuring that the core rod is filled with the potting adhesive, and thus improving the reliability of the capacitor.
A second object of the present invention is to provide a capacitor.
In order to achieve the above object, a first aspect of the present invention provides a bolt head for a capacitor, where one end face of the bolt head is provided with a groove, the periphery of the groove is provided with a radial open slot, and the radial open slot is communicated with the groove; and the end surface of the bolt head is also provided with a connecting sheet for connecting with a metal spraying surface of the capacitor core.
According to the bolt head for the capacitor, the groove is formed in one end face of the bolt head, the periphery of the groove is provided with the radial open groove, and the radial open groove is communicated with the groove. When the connecting sheet of the bolt head is connected with the metal spraying surface of the capacitor core, a gap is reserved between the end surface of the bolt head and the metal spraying surface, so that a gap is reserved between the metal spraying surfaces, and the gap and the core rod form a flow channel of pouring sealant; when the capacitor core is filled and sealed, the pouring sealant firstly flows to the side surface radial open slot of the bolt head, then flows to the groove, and finally flows into the core rod through the groove, so that the filling of the pouring sealant in the core rod is ensured, and the reliability of the capacitor is improved.
In addition, the bolt head for the capacitor according to the above embodiment of the present invention may further have the following additional technical features:
optionally, a boss is arranged in the groove, and the height of the boss is greater than the depth of the groove.
Specifically, the boss is located at the center of the groove.
Optionally, the radial open slot is disposed on the connecting plate, and the plurality of radial open slots divide the connecting plate into a plurality of pieces.
Specifically, the connecting piece radially protrudes from the end face of the bolt head.
In order to achieve the above object, a second aspect of the present invention provides a capacitor, including the above bolt head, further including a housing, a core rod, and a potting adhesive; the shell is provided with a cavity; the core is arranged in the cavity of the shell, and a gap is reserved between the core and the shell; the core rod is arranged in the core; the bolt head is fixedly connected with the core rod, and the bolt head is electrically connected with the metal spraying surface of the core; and filling the pouring sealant into the cavity of the shell to wrap the core and expose the core electrode, wherein the pouring sealant flows into the core rod sequentially through the side radial open slot and the groove of the bolt head.
According to the embodiment of the utility model, the capacitor comprises a bolt head, wherein a groove is formed in one end face of the bolt head, a radial open groove is formed in the periphery of the groove, and the radial open groove is communicated with the groove. When the connecting sheet of the bolt head is connected with the metal spraying surface of the capacitor core, a gap is reserved between the end face of the bolt head and the metal spraying surface, so that a gap is reserved between the metal spraying surfaces, and the gap and the core rod form a flow channel of the pouring sealant; when the capacitor core is filled and sealed, the pouring sealant firstly flows to the side radial open slot of the bolt head, then flows to the groove, and finally flows into the core rod through the groove, so that the core rod is ensured to be filled with the pouring sealant, and the reliability of the capacitor is improved.
In addition, the capacitor proposed by the above embodiment of the present invention may further have the following additional technical features:
optionally, the end surface of the core rod is provided with a polygonal mounting hole, and the boss of the bolt head is installed in the polygonal mounting hole.
Specifically, the polygonal mounting hole is a hexagonal mounting hole, a boss of the bolt head is installed in the hexagonal mounting hole, and an inscribed circle of the hexagonal mounting hole is matched and positioned with the boss of the bolt head.
Optionally, the connecting piece of the bolt head is connected with the metal spraying surface of the core through welding.
Drawings
FIG. 1 is a schematic cross-sectional structural view of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
fig. 3 is a schematic view of a bolt head according to an embodiment of the present invention;
FIG. 4 is a front view of a bolt head according to an embodiment of the present invention;
fig. 5 is a sectional view showing a bolt head structure according to an embodiment of the present invention.
Description of the reference symbols
Radial open slot 12 connecting piece 13
Boss 14 housing 2
The polygonal mounting hole 41 is filled with the sealant 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
According to the utility model, the groove is arranged on one end face of the bolt head, the radial open slot is arranged on the periphery of the groove, and the radial open slot is communicated with the groove. When the connecting sheet of the bolt head is connected with the metal spraying surface of the capacitor core, a gap is reserved between the end surface of the bolt head and the metal spraying surface, so that a gap is reserved between the metal spraying surfaces, and the gap and the core rod form a flow channel of pouring sealant; when the capacitor core is filled and sealed, the pouring sealant firstly flows to the side surface radial open slot of the bolt head, then flows to the groove, and finally flows into the core rod through the groove, so that the filling of the pouring sealant in the core rod is ensured, and the reliability of the capacitor is improved.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 5, in a bolt head 1 for a capacitor according to an embodiment of the present invention, a groove 11 is provided on one end surface of the bolt head 1, a radial open groove 12 is provided at a periphery of the groove 11, and the radial open groove 12 communicates with the groove 11; the end surface of the bolt head 1 is also provided with a connecting sheet 13 which is used for connecting with a metal spraying surface of the capacitor core. The bolt head 1 is formed by milling a metal piece, and the connecting sheet 13 is a metal sheet.
Optionally, a boss 14 is provided in the groove 11, the height of the boss 14 being greater than the depth of the groove 11. Specifically, the boss 14 is located at the center of the groove 11. The boss 14 is a cylindrical boss.
Alternatively, the radial opening grooves 12 are provided in the connecting plate 13, and the plurality of radial opening grooves 12 are provided to divide the connecting plate 13 into a plurality of pieces. In particular, the connecting piece 13 projects radially beyond the end face of the bolt head 1.
According to the bolt head 1 for the capacitor, the groove 11 is formed in one end face of the bolt head 1, the radial open groove 12 is formed in the periphery of the groove 11, and the radial open groove 12 is communicated with the groove 11. When the connecting sheet 13 of the bolt head 1 is connected with the metal spraying surface of the capacitor core, a gap is reserved between the end surface of the bolt head 1 and the metal spraying surface, so that a gap is reserved between the metal spraying surfaces, and the gap and the core rod form a flow channel of pouring sealant; when the capacitor core is filled and sealed, the pouring sealant firstly flows to the side surface radial open slot 12 of the bolt head, then flows to the groove 11, and finally flows into the core rod through the groove 11, so that the filling of the pouring sealant in the core rod is ensured, and the reliability of the capacitor is improved.
As shown in fig. 1 to 5, a capacitor according to an embodiment of the present invention includes a bolt head 1, a housing 2, a core 3, a core rod 4, and a potting adhesive 5; wherein, a groove 11 is arranged on one end face of the bolt head 1, a radial open slot 12 is arranged on the periphery of the groove 11, and the radial open slot 12 is communicated with the groove 11; the end surface of the bolt head 1 is also provided with a connecting sheet 13 which is used for connecting with a metal spraying surface of the capacitor core.
The shell 2 is provided with a cavity; the core 3 is arranged in the cavity of the shell 2, and a gap is reserved between the core 3 and the shell 2 to fill the pouring sealant 5; the core rod 4 is arranged in the core 3, and the core rod 4 is arranged in the core 3 when the core 3 is wound; the bolt head 1 is fixedly connected with the core rod 4, the bolt head 1 is electrically connected with the metal spraying surfaces of the core 3, and specifically, the two metal spraying surfaces of the core 3 are respectively connected with the connecting sheet of the bolt head 1 through tin soldering; the pouring sealant 5 is filled into the cavity of the shell 2 to wrap the core 3 and expose the core electrode, and the pouring sealant 5 flows into the core rod 4 through the radial open slot 12 and the groove 11 on the side surface of the bolt head 1 in sequence.
Alternatively, the end surface of the core rod 4 is provided with a polygonal mounting hole 41, and the boss 14 of the bolt head 1 is fitted into the polygonal mounting hole 41. Specifically, the polygonal mounting hole 41 is a hexagonal mounting hole, the boss 14 of the bolt head 1 is fitted into the hexagonal mounting hole, and the inscribed circle of the hexagonal mounting hole is positioned in cooperation with the boss 14 of the bolt head 1.
The capacitor comprises a bolt head 1, wherein a groove 11 is formed in one end face of the bolt head 1, a radial open groove 12 is formed in the periphery of the groove 11, and the radial open groove 12 is communicated with the groove 11. When the connecting sheet 13 of the bolt head 1 is connected with the metal spraying surface of the capacitor core 3, a gap is reserved between the end surface of the bolt head 1 and the metal spraying surface, so that a gap is reserved between the metal spraying surfaces, and the gap and the core rod 4 form a flow channel of the pouring sealant 5; when the capacitor core 3 is filled and sealed, the pouring sealant 5 firstly flows to the side radial open slot 12 of the bolt head 1, then flows to the groove 11, and finally flows into the core rod 4 through the groove 11, so that the filling of the pouring sealant 5 in the core rod 4 is ensured, and the reliability of the capacitor is improved.
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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. A bolt head for a capacitor is characterized in that a groove is formed in one end face of the bolt head, a radial open groove is formed in the periphery of the groove, and the radial open groove is communicated with the groove; and the end surface of the bolt head is also provided with a connecting sheet for connecting with a metal spraying surface of the capacitor core.
2. A bolt head for a capacitor according to claim 1, wherein a projection is provided in the groove, the projection having a height greater than the depth of the groove.
3. A bolt head for a capacitor according to claim 2, wherein the boss is located at the centre of the recess.
4. The bolt head for a capacitor according to claim 1, wherein said radially open groove is provided in said connecting piece in plural, dividing said connecting piece into plural pieces.
5. A bolt head for a capacitor according to claim 4 in which the connecting lugs project radially beyond the end face of the bolt head.
6. A capacitor comprising the bolt head according to any one of claims 1 to 4, further comprising a shell, a core rod and a pouring sealant; the device is characterized in that the shell is provided with a cavity; the core is arranged in the cavity of the shell, and a gap is reserved between the core and the shell; the core rod is arranged in the core; the bolt head is fixedly connected with the core rod, and the bolt head is electrically connected with the metal spraying surface of the core; and filling the pouring sealant into the cavity of the shell to wrap the core and expose the core electrode, wherein the pouring sealant flows into the core rod sequentially through the side radial open slot and the groove of the bolt head.
7. A capacitor according to claim 6, wherein the end face of the core rod is provided with a polygonal mounting hole into which the boss of the bolt head is fitted.
8. The capacitor of claim 7, wherein the polygonal mounting hole is a hexagonal mounting hole, the boss of the bolt head is arranged in the hexagonal mounting hole, and the inscribed circle of the hexagonal mounting hole is matched and positioned with the boss of the bolt head.
9. A capacitor according to claim 6, wherein the tab on the bolt head is connected to the gold-sprayed surface of the core by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122794504.3U CN216487704U (en) | 2021-11-15 | 2021-11-15 | A bolt head and condenser for condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122794504.3U CN216487704U (en) | 2021-11-15 | 2021-11-15 | A bolt head and condenser for condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487704U true CN216487704U (en) | 2022-05-10 |
Family
ID=81397262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122794504.3U Active CN216487704U (en) | 2021-11-15 | 2021-11-15 | A bolt head and condenser for condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216487704U (en) |
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2021
- 2021-11-15 CN CN202122794504.3U patent/CN216487704U/en active Active
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