Capacitor plastic shell and multi-pin film capacitor with same

Abstract

The utility model provides a capacitor plastic shell and a multi-pin film capacitor with the same, and the capacitor plastic shell comprises a plastic shell body which is provided with an opening end and comprises two first side plates which are oppositely arranged in a first direction, and one side of each first side plate in a thickness direction is provided with a first thinning part; the two ends of the first thinning part extend to the end face of the opening end. According to the capacitor plastic shell and the multi-pin film capacitor with the same provided by the invention, one side of the first side plate of the plastic shell body is provided with the first thinning part, and the two ends of the first thinning part extend to the end face of the opening end, so that the operation of processing and forming a set notch on the plastic shell is simple and convenient; and the difficulty of processing the notch on the plastic shell by a worker is reduced, and the working efficiency of processing the notch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of capacitor, especially to capacitor plastic shell and multi-pin type film capacitor with same. BACKGROUND

[0002] The multi-pin type film capacitor comprises a plastic shell and an electric core, the plastic shell has an open end, and the electric core is inserted into the plastic shell through the open end, a plurality of pin leads are welded on two sides of the electric core, and a gap between the electric core and the plastic shell is filled with a glue layer by glue pouring, wherein the glue layer and the open end of the plastic shell have a spacing. The capacitor is usually inverted and welded on a circuit board for use. In order to facilitate wiring, a user will break part of the side wall of the open end of the plastic shell by using pliers or other tools before welding the capacitor on the circuit board. However, due to the uncertainty of the force applied by the user when processing the notch, the shape of the notch formed on the plastic shell is also uncertain. If the notch is small, multiple processing treatments are required, and if the notch is large, the glue layer will leak out. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a capacitor plastic shell and a multi-pin type film capacitor with same.

[0004] In a first aspect, the application provides a capacitor plastic shell, comprising a plastic shell body, the plastic shell body having an open end, the plastic shell body comprising two first side plates oppositely arranged along a first direction, the first side plate being provided with a first thinning portion on one side along a thickness direction, and both ends of the first thinning portion extending to the end face of the open end.

[0005] Further, the first side plate is provided with a second thinning portion on the other side along the thickness direction, wherein the projection of the second thinning portion is located within the projection of the first thinning portion along the thickness direction of the first side plate.

[0006] Further, the first thinning portion and the second thinning portion are of the same shape.

[0007] Further, the plastic shell body comprises two second side plates oppositely arranged along a second direction, the second side plate being provided with a third thinning portion on one side along a thickness direction, and both ends of the third thinning portion extending to the end face of the open end, wherein the second direction is arranged perpendicularly to the first direction.

[0008] Further, the second side plate is provided with a fourth thinning portion on the other side along the thickness direction, wherein the projection of the fourth thinning portion is located within the projection of the third thinning portion along the thickness direction of the second side plate.

[0009] Further, the third thinning portion and the fourth thinning portion are of the same shape.

[0010] Furthermore, the first thinning section includes a first thinning segment, a second thinning segment, and a third thinning segment connected in sequence. The first thinning segment and the third thinning segment are located on the same side of the second thinning segment, and the first thinning segment and the third thinning segment are both inclined in a direction away from each other.

[0011] Furthermore, the inner bottom wall of the plastic shell body is provided with at least two support ribs, and the two support ribs are spaced apart. The support ribs are provided with at least one partition to divide the support ribs into multiple segments.

[0012] Secondly, this application also provides a multi-pin film capacitor, including a capacitor housing.

[0013] The capacitor housing and multi-pin film capacitor provided in this application embodiment have a first thinning portion on one side of the first side plate of the housing body, and both ends of the first thinning portion extend to the end face of the opening end. This not only makes the operation of forming a set notch on the housing simple and convenient, but also reduces the difficulty for workers to process notches on the housing and improves the efficiency of notch processing. Attached Figure Description

[0014] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 This is a three-dimensional schematic diagram of the capacitor housing provided in the embodiments of this application;

[0016] Figure 2 This is a front view schematic diagram of the capacitor housing provided in an embodiment of this application.

[0017] Figure 3 This is a schematic diagram of a capacitor housing with a notch formed, provided in an embodiment of this application.

[0018] Figure 4 for Figure 3 A half-section view of the structure shown. Detailed Implementation

[0019] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] Please refer to the attached document. Figures 1-4The embodiment of the present application provides a capacitor plastic shell, which comprises a plastic shell body 100, the plastic shell body 100 is in the shape of a hollow cuboid, the plastic shell body 100 has an open end, and an electric core is arranged in the plastic shell body 100 through the open end. The plastic shell body 100 comprises two first side plates 110 oppositely arranged in a first direction, the first side plate 110 is provided with a first thinning portion 111 on one side in the thickness direction, and the two ends of the first thinning portion 111 extend to the end face of the open end. The shape of the first thinning portion 111 is arranged according to the edge shape of the set gap 140, that is, the first thinning portion 111 is matched with the outer edge shape of the set gap 140, and the gap 140 formed after the plastic shell is broken along the first thinning portion 111 is the set gap 140. Because the strength and thickness of the first thinning portion 111 are smaller than those of other positions of the first side plate 110, the staff only needs to exert a small force to break the first side plate 110 to form the set gap 140, so that the operation of processing the set gap 140 on the plastic shell is simple and convenient, the gap 140 processing operation is avoided repeatedly, the difficulty of the staff in processing the gap 140 on the plastic shell is reduced, and the working efficiency of processing the gap 140 is improved. At the same time, because the plastic shell is in a complete state before being broken, the user can choose whether to process the set gap 140 to meet the use requirements of different scenes with or without the set gap 140, and the universality of the plastic shell is improved.

[0022] Wherein, due to the existence of the first thinning portion 111, the first thinning groove 112 is formed on the side surface of the first side plate 110 corresponding to the position of the first thinning portion 111.

[0023] In some embodiments of the present application, the first side plate 110 is provided with a second thinning portion on the other side in the thickness direction, wherein the projection of the second thinning portion is located in the projection of the first thinning portion 111 in the thickness direction of the first side plate 110. By arranging the thinning portions on both sides of the first side plate 110 in the thickness direction, the preparation of the gap 140 is easier, and the shape of the formed gap 140 is more accurate.

[0024] Wherein, the thickness of the first side plate 110 corresponding to the positions of the first thinning portion 111 and the second thinning portion can be 0.2-0.4 of the thickness of the first side plate 110. Preferably, the thinning thickness of the first thinning portion 111 and the thinning thickness of the second thinning portion are the same.

[0025] Wherein, the filling glue layer is spaced apart from the first thinning portion 111 and the second thinning portion.

[0026] Wherein, preferably, the shapes of the first thinning portion 111 and the second thinning portion are the same.

[0027] The second thinning groove is formed on the side surface of the second side plate 120 corresponding to the position of the third thinning portion 121.

[0028] In some embodiments of the present application, the first thinning portion 111 comprises a first thinning segment 1111, a second thinning segment 1112 and a third thinning segment 1113 connected in sequence, the first thinning segment 1111 and the third thinning segment 1113 are located on the same side of the second thinning segment 1112, and the first thinning segment 1111 and the third thinning segment 1113 are both arranged in a direction away from each other. In this way, the first thinning portion 111 with the above shape can form a flared-shaped notch 140, which is convenient for wiring and heat dissipation, and also makes the area for the operator to operate larger, improving the convenience of notch 140 processing operation.

[0029] In some embodiments of the present application, the plastic shell body 100 comprises two second side plates 120 oppositely arranged in the second direction, the second side plate 120 is provided with a third thinning portion 121 on one side in the thickness direction, and the two ends of the third thinning portion 121 extend to the end face of the opening end, wherein the second direction is perpendicular to the first direction. In this way, the space for wiring on the plastic shell is increased, improving the practicability of the plastic shell.

[0030] The first direction can be the length direction of the plastic shell, and the second direction can be the width direction of the plastic shell; or the first direction can be the width direction of the plastic shell, and the second direction can be the length direction of the plastic shell.

[0031] The third thinning groove 122 is formed on the side surface of the second side plate 120 corresponding to the position of the third thinning portion 121.

[0032] In some embodiments of the present application, the second side plate 120 is provided with a fourth thinning portion on the other side in the thickness direction, wherein the projection of the fourth thinning portion is located within the projection of the third thinning portion 121 in the thickness direction of the second side plate 120. By providing thinning portions on both sides of the second side plate 120 in the thickness direction, the preparation of the notch 140 is easier, and the shape of the notch 140 formed is more accurate.

[0033] The thickness of the second side plate 120 corresponding to the positions of the third thinning portion 121 and the fourth thinning portion can be 0.2-0.4 of the thickness of the second side plate 120. Preferably, the thinning thickness of the third thinning portion 121 and the thinning thickness of the fourth thinning portion are the same.

[0034] Preferably, the third thinning portion 121 and the fourth thinning portion have the same shape.

[0035] The third thinning portion 121 and the fourth thinning portion are both spaced apart from the filling glue layer.

[0036] Wherein, due to the presence of the fourth thinning portion, a fourth thinning groove is formed on the side surface of the second side plate 120 at a position corresponding to the fourth thinning portion.

[0037] In some embodiments of the present application, the third thinning portion 121 comprises a fourth thinning segment, a fifth thinning segment and a sixth thinning segment connected in sequence, the fourth thinning segment and the sixth thinning segment are located on the same side of the fifth thinning segment, and the fourth thinning segment and the sixth thinning segment are both arranged in a direction away from each other. In this way, the third thinning portion 121 with the above-mentioned shape can form a flared-shaped notch 140, which is convenient for wiring and heat dissipation, and also makes the area for the operator to operate larger, improving the convenience of notch 140 processing operation.

[0038] In some embodiments of the present application, the inner bottom wall of the plastic shell body 100 is provided with at least two supporting ribs 130, and the two supporting ribs 130 are arranged at intervals. The supporting rib 130 is provided with at least one partition opening 131 to divide the supporting rib 130 into multiple segments. When the battery cell is loaded into the plastic shell, it is pressed on the two supporting ribs 130, so that there is a gap between the battery cell and the inner bottom wall of the plastic shell. The supporting rib 130 is provided with the partition opening 131, so that the glue can be better filled into the gap during the glue filling process, improving the glue filling effect.

[0039] The embodiments of the present application also provide a multi-needle type thin film capacitor comprising the capacitor plastic shell described above.

[0040] It should be understood that the above-mentioned terms such as "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application; the orientation words "inner" and "outer" refer to the inner and outer of the contour of each component itself. In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features.

[0041] For purposes of the description hereinafter, spatial or directional terms, for example, "above", "below", "upper", "lower", "top", "bottom", "over", "under", "left", "right" and the like, relate to the application as it is shown in the drawings and are used in connection with the exemplary embodiments of the application. It is to be understood, however, that the application can assume many different variations and that the exemplary terminology used herein is for the purpose of description only. For example, spatially relative terms are intended to encompass different orientations of the device in use or operation, for example, device can be inverted or rotated by 90 degrees or at other orientations and the spatially relative terms used herein are intended to encompass such variations.

[0042] The above description is only preferred embodiments of the present application and the technical principles used. Those skilled in the art should understand that the scope of the utility model disclosed in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A plastic capacitor housing, characterized by The plastic shell body has an open end, and includes two first side plates oppositely arranged in a first direction, each of the first side plates is provided with a first thinning portion on one side in a thickness direction, and both ends of the first thinning portion extend to an end face of the open end.

2. The plastic capacitor shell of claim 1 wherein, Each of the first side plates is provided with a second thinning portion on the other side in the thickness direction, and a projection of the second thinning portion is located within a projection of the first thinning portion in the thickness direction of the first side plate.

3. The plastic capacitor shell of claim 2 wherein, The first thinning portion and the second thinning portion have the same shape.

4. The plastic capacitor shell of claim 1 wherein, The plastic shell body includes two second side plates oppositely arranged in a second direction, each of the second side plates is provided with a third thinning portion on one side in a thickness direction, and both ends of the third thinning portion extend to an end face of the open end, wherein the second direction is perpendicular to the first direction.

5. The plastic capacitor shell of claim 4 wherein, Each of the second side plates is provided with a fourth thinning portion on the other side in the thickness direction, and a projection of the fourth thinning portion is located within a projection of the third thinning portion in the thickness direction of the second side plate.

6. The plastic capacitor shell of claim 5 wherein, The third thinning portion and the fourth thinning portion have the same shape.

7. The plastic capacitor shell of claim 1 wherein, The first thinning portion includes a first thinning section, a second thinning section and a third thinning section connected in sequence, the first thinning section and the third thinning section are located on the same side of the second thinning section, and the first thinning section and the third thinning section are arranged in a direction away from each other.

8. The plastic capacitor shell of claim 1 wherein, An inner bottom wall of the plastic shell body is provided with at least two support ribs arranged at intervals, and the support ribs are provided with at least one partition opening to divide the support ribs into multiple sections.

9. A multi-needle thin film capacitor, characterized by The capacitor plastic shell comprises the capacitor plastic shell as claimed in any one of claims 1-8.

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