JP3680255B2 - Electrical component unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical component unit including a box for storing electrical components such as capacitors.
[0002]
[Prior art]
Conventionally, as an electrical component unit, as shown in the schematic diagram of FIG. 4, there is one in which a capacitor 42 is fixed in a box 40 using a fixing member 41. In this electrical component unit, the fixing member 41 has two cylindrical portions 41a and 41b and a connecting portion 41c that connects the cylindrical portions 41a and 41b, and capacitors 42 and 42 are inserted into the cylindrical portions 41a and 41b. The fixing member 41 is fixed to the box body 40 with screws 43.
[0003]
[Problems to be solved by the invention]
By the way, in the said electrical component unit, since the capacitor | condensers 42 and 42 are hold | maintained using the fixing member 41 which is a member different from the box 40, and the fixing member 41 is fixed to the box 40 with the screw 43, There are disadvantages that the number of parts increases and the assembly work process increases.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide an electrical component unit that can easily fix a capacitor to a box without using a separate holding member and can improve assembly workability.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the electrical component unit according to claim 1 is an electrical component unit including a box for storing a capacitor, and is provided on opposite side walls inside the box from the opening side toward the bottom. a guide groove for guiding the edges of two opposite sides of the capacitor fixing plate to which one end of the capacitor is fixed, is erected on the bottom of the box body by the combined shape to the outer shape of the capacitor, the guide groove edges of the capacitor fixing plate is erected by opening the condenser supporting portion for supporting the condenser from below while being guided, a predetermined distance from the both guide grooves at the bottom of the box body by said condenser and a capacitor holding portion for holding the other end of the capacitor which is supported from below by the support portion, if the said box body and the guide groove and the capacitor support portion and the capacitor holding portion It is characterized in that integrally molded by resin.
[0006]
According to the electrical component unit of the first aspect, the opposite edge portions of the capacitor fixing plate to which one end of the capacitor is fixed are guided by the guide groove, and the both edges of the capacitor fixing plate are guided by the guide groove. The capacitor is supported to the box by the capacitor support part while the part is guided, and the other end of the capacitor supported from the bottom by the capacitor support part is held by the capacitor holding part. To do. Guide grooves provided on opposite side walls on the inner side of the box from the opening side toward the bottom, and a capacitor support and a capacitor standing on the bottom of the box at predetermined intervals from both guide grooves Since the holding part is integrally formed with the box together with the synthetic resin, the capacitor can be easily fixed to the box without using a separate capacitor holding member, and the assembly workability can be improved.
[0007]
The electrical component unit according to claim 2 is an electrical component unit including a box body for storing a capacitor, and is provided at a bottom portion of the box body, and a rising pressing portion for pressing one end of the capacitor; Standing at the bottom of the box in a shape that matches the external shape of the capacitor, and standing at a predetermined interval from the rising pressing part at the bottom of the box, and a capacitor support for supporting the capacitor from below A capacitor holding portion for holding the other end of the capacitor, and the box, the rising pressing portion, the capacitor support portion, and the capacitor holding portion are integrally formed of a synthetic resin , The capacitor holding portion has a hole for holding the other end of the capacitor, and the capacitor holding portion holds the other end of the capacitor when holding the other end of the capacitor. End is elastically deformable and can be inserted into said hole, the other end of the capacitor is inserted into the hole, it is characterized in that return to the shape that holds the other end of the capacitor.
[0008]
According to the electrical component unit of the second aspect, one end of the capacitor is pressed by the rising pressing portion, and the other end of the capacitor is held by the capacitor support portion and the capacitor holding portion, whereby the capacitor is boxed. Store in a fixed position. Combining with the box the rising pressing part standing at the bottom of the box, and the capacitor support part and the capacitor holding part standing at a predetermined interval from the rising pressing part at the bottom of the box Since it is integrally formed of resin, the capacitor can be easily fixed to the box without using a separate capacitor holding member, and the assembly workability can be improved. Further, when the capacitor holding portion holds the other end of the capacitor, the other end of the capacitor is elastically deformed into a shape that can be inserted into the hole of the capacitor holding portion, and when the other end of the capacitor is inserted into the hole, By returning to the shape that holds the other end of the capacitor, the other end of the capacitor can be easily held by the capacitor holding portion without using another member such as a screw.
[0009]
The electrical component unit according to claim 3 is the electrical component unit according to claim 1, wherein the capacitor holding portion has a hole for holding the other end of the capacitor, and the capacitor holding portion is formed of the capacitor. When holding the other end, the other end of the capacitor is elastically deformed into a shape that can be inserted into the hole, and when the other end of the capacitor is inserted into the hole, the shape returns to a shape that holds the other end of the capacitor. It is characterized by that.
[0010]
According to the electrical component unit of the third aspect, when the capacitor holding portion holds the other end of the capacitor, the other end of the capacitor is elastically deformed into a shape that can be inserted into the hole of the capacitor holding portion. When the end is inserted into the hole, the other end of the capacitor can be easily held by the capacitor holding portion without using another member such as a screw by returning to the shape that holds the other end of the capacitor.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the electrical component unit of the present invention will be described in detail with reference to the illustrated embodiments.
[0012]
(First embodiment)
FIG. 1 is a perspective view of an essential part of an electrical component unit according to the first embodiment of the present invention. 1 is a box, 2 is a cross-sectional circle having one end fixed to a rectangular printed wiring board 4 serving as a capacitor fixing plate. Three capacitors having a shape, 3 is a capacitor holding portion for holding the other end of the capacitor 2, and 38 is a capacitor support portion. The capacitor holding portion 3 is formed by standing three arch shapes that are continuous with the bottom 1 a of the box 1. Similarly, the capacitor support portion 38 is formed by standing three semicircular shapes on the bottom portion 1 a of the box 1. Guide grooves 11 and 12 are provided on the opposite side walls 1b (only one of them is shown in FIG. 1) of the box 1 with a predetermined distance from the opening 10 toward the bottom 1a. The guide grooves 11, 12, the capacitor holding portion 3, and the capacitor support portion 38 are integrally formed with the box 1 using a synthetic resin. Then, along the guide groove 11, both edges of two opposite sides of the printed wiring board 4 to which one end of the capacitor 2 is fixed are guided, and the other end of the capacitor 2 is connected to the capacitor support portion 38 and the capacitor holding portion. 3 to hold.
[0013]
FIG. 2 is a perspective view for explaining details of the capacitor holding portion 3. As shown in FIG. 2, an arch shape in which four struts 31, 32, 33, 34 are erected at a predetermined interval on the bottom 1 a of the box body 1 and adjacent struts 31, 32, 33, 34 are connected. A portion 35 is provided to form a hole 37 for inserting a capacitor. Thin portions 31a, 32a, 33a, 34a are provided on the respective pillars 31, 32, 33, 34 of the capacitor holding portion 3, and when the capacitor 2 is inserted, the thin portions 31a, 32a, 33a, 34a are elastically deformed. The capacitor 2 can be easily inserted into the hole 37, and after the insertion, the capacitor 2 is restored to its original shape by the elastic force of the columns 31, 32, 33, 34, and the other end of the capacitor 2 is held. The arch shape portion 35 of the capacitor holding portion 3 is provided with a guide portion 36 for each hole 37 for guiding the capacitor 2 when the capacitor 2 is inserted.
[0014]
As described above, the guide groove 11 and the capacitor holding portion 3 are integrally formed of the synthetic resin together with the box 1, so that the capacitor 2 can be easily fixed to the box 1 without using a separate capacitor holding member. And the assembly workability can be improved.
[0015]
Further, when the other end of the capacitor 2 is held, the capacitor holding portion 3 is elastically deformed so that the other end of the capacitor 2 can be inserted into the hole 37 of the capacitor holding portion 3, and the other end of the capacitor 2 is inserted into the hole 37. When inserted, the capacitor holding portion 3 returns to a shape that holds the other end of the capacitor 2, so that the other end of the capacitor 2 can be easily held by the capacitor holding portion 3 without using another member such as a screw or tools. can do.
[0016]
Moreover, in the said 1st Embodiment, by providing the guide groove 12 in the both-sides wall 1b of the box 1 in parallel with the guide groove 11 at predetermined intervals, and using the guide grooves 11 and 12 separately, length is improved. Two different types of capacitors can be attached. The guide groove may be 1 or 3 or more.
[0017]
(Second Embodiment)
FIG. 3 is a perspective view of the main part of the electrical component unit according to the second embodiment of the present invention. The capacitor holding portion and the capacitor support portion are the same as the capacitor holding portion and the capacitor support portion of the electrical component unit according to the first embodiment. is there.
[0018]
As shown in FIG. 3, three plate-like rising and pressing portions 30 are erected on the bottom 1a of the box 1 (shown in FIG. 1) at a predetermined interval. The box 1, the capacitor holding portion 3, the capacitor support portion 38, and the rising pressing portion 30 are integrally formed of synthetic resin.
[0019]
One end of the capacitor 2 is raised and pressed against the pressing portion 30, and the other end of each capacitor 2 is inserted into the hole 37 of the capacitor holding portion 3. At this time, the capacitor holding portion 3 is elastically deformed in the same manner as in the first embodiment to facilitate the insertion of the capacitor 3 into the hole 37, and after the capacitor 3 is inserted, the capacitor holding portion 3 has the original shape. Returning to FIG.
[0020]
The electrical component unit of the second embodiment has the same effect as the electrical component unit of the first embodiment.
[0021]
In the first and second embodiments, the capacitor holding unit 3 that holds the three capacitors 2 is used. However, the number of capacitors held by the capacitor holding unit may be one or two, or four or more. Moreover, the structure of the said capacitor | condenser holding | maintenance part is not restricted to this, What is necessary is just to hold | maintain the end of a capacitor | condenser.
[0022]
In the first and second embodiments, the capacitor 2 having a circular cross section is housed in the box 1. However, the shape of the capacitor is not limited to this, and may be a capacitor having a square cross section.
[0023]
【The invention's effect】
As is clear from the above, according to the electrical component unit of the invention of claim 1, the guide grooves provided on the opposite side walls on the inner side of the box body from the opening side toward the bottom portion, and the bottom portion of the box body. Since the capacitor holding portion and the capacitor supporting portion that are erected at a predetermined interval from both guide grooves are integrally formed with the box together with the synthetic resin, the guide groove is not used without using a separate capacitor holding member. And the capacitor | condenser holding | maintenance part and a capacitor | condenser support part can fix a capacitor | condenser to a box easily, and can improve the operativity of an assembly.
[0024]
According to the electrical component unit of the second aspect of the present invention, the rising pressing portion standing on the bottom of the box and the rising pressing portion standing on the bottom of the box at a predetermined interval. Since the capacitor holding part and the capacitor supporting part are integrally formed with the box together with the synthetic resin, the capacitor can be easily formed by the above-described startup pressing part, the capacitor holding part, and the capacitor supporting part without using a separate capacitor holding member. It can be fixed to the box, and the assembly workability can be improved. The capacitor holding portion has a hole for holding the other end of the capacitor, and when holding the other end of the capacitor, the other end of the capacitor is inserted into the hole of the capacitor holding portion. When the capacitor holding part is elastically deformed and the other end of the capacitor is inserted into the hole , the capacitor holding part returns to a shape that holds the other end of the capacitor, so there is no need to use another member such as a screw or tools. The other end of the capacitor can be easily held by the capacitor holding portion.
[0025]
According to the electrical component unit of the invention of claim 3, in the electrical component unit of claim 1 , the capacitor holding portion has a hole for holding the other end of the capacitor, and the other end of the capacitor. When the capacitor holding part is elastically deformed so that the other end of the capacitor can be inserted into the hole of the capacitor holding part, and the other end of the capacitor is inserted into the hole, the capacitor holding part is Since it returns to the shape that holds the other end, the other end of the capacitor can be easily held by the capacitor holding portion without using another member such as a screw or tools.
[Brief description of the drawings]
FIG. 1 is a perspective view of an essential part of an electrical component unit according to a first embodiment of the present invention.
FIG. 2 is a perspective view for explaining details of a capacitor holding portion of the electrical component unit.
FIG. 3 is a perspective view of an essential part of an electrical component unit according to a second embodiment of the present invention.
FIG. 4 is a schematic diagram of a main part of a conventional electrical component unit.
[Explanation of symbols]
1 ... Box,
2… Capacitor,
3 ... capacitor holding part,
38. Capacitor support,
4 ... Printed circuit board,
11, 12 ... groove,
30 ... Launching pressing part.

Claims (3)

In an electrical component unit having a box (1) for storing a capacitor (2),
Two opposing sides of a capacitor fixing plate (4) provided on opposite side walls inside the box (1) from the opening side toward the bottom (1a) and having one end of the capacitor (2) fixed thereto. Guide grooves (11, 12) for guiding both edges,
The capacitor (2) is erected on the bottom (1a) of the box (1) in a shape that matches the outer shape of the capacitor (2), and both edges of the capacitor fixing plate ( 4 ) are guided by the guide grooves ( 11 , 12 ). A capacitor support portion (38) for supporting the capacitor (2) from below under the condition that
Bottom of the box body (1) to (1a) from the both guide grooves (11, 12) at a predetermined interval is erected, the capacitor support (38) the capacitor which is supported from below by (2) A capacitor holding part (3) for holding the other end of
The electrical component unit, wherein the box (1), the guide grooves (11, 12), the capacitor support portion (38), and the capacitor holding portion (3) are integrally formed of a synthetic resin. In an electrical component unit having a box (1) for storing a capacitor (2),
A rising pressing portion (30) which is erected on the bottom (1a) of the box (1) and holds one end of the capacitor (2);
A capacitor support portion (38) that is erected on the bottom (1a) of the box (1) in a shape that matches the outer shape of the capacitor (2) and supports the capacitor (2) from below;
A capacitor holding part (3) which is erected on the bottom (1a) of the box (1) at a predetermined interval from the rising pressing part (30) and holds the other end of the capacitor (2). Have
The box (1), the rising pressing part (30), the capacitor support part (38), and the capacitor holding part (3) are integrally formed of a synthetic resin ,
The capacitor holding part ( 3 ) has a hole ( 37 ) for holding the other end of the capacitor ( 2 ) ,
The capacitor holding portion (3), when holding the other end of the capacitor (2), the other terminal of the capacitor (2) is elastically deformable and can be inserted in said holes (37), the capacitor (2 When the other end of the capacitor ( 2 ) is inserted into the hole ( 37 ) , the electrical component unit returns to a shape that holds the other end of the capacitor ( 2 ) . The electrical component unit according to claim 1 ,
The capacitor holding part (3) has a hole (37) for holding the other end of the capacitor (2),
When the capacitor holding part (3) holds the other end of the capacitor (2), the other end of the capacitor (2) is elastically deformed into a shape that can be inserted into the hole (37), and the capacitor (2) When the other end of the capacitor (2) is inserted into the hole (37), the electrical component unit returns to a shape that holds the other end of the capacitor (2).

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