WO2020084857A1 - Élément de montage - Google Patents

Élément de montage Download PDF

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Publication number
WO2020084857A1
WO2020084857A1 PCT/JP2019/030440 JP2019030440W WO2020084857A1 WO 2020084857 A1 WO2020084857 A1 WO 2020084857A1 JP 2019030440 W JP2019030440 W JP 2019030440W WO 2020084857 A1 WO2020084857 A1 WO 2020084857A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
ferrite core
cable
insertion hole
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/030440
Other languages
English (en)
Japanese (ja)
Inventor
拓也 谷上
康夫 森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiwa Electric Mfg Co Ltd
Original Assignee
Seiwa Electric Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiwa Electric Mfg Co Ltd filed Critical Seiwa Electric Mfg Co Ltd
Priority to CN201980066538.3A priority Critical patent/CN112805895B/zh
Publication of WO2020084857A1 publication Critical patent/WO2020084857A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • the present invention relates to a mounting member.
  • the cable gland of Patent Document 1 includes a gland body that can be attached to a case, a cap that is fastened to the gland body, and a sleeve that is press-fitted between the gland body and the cable when the cap is fastened.
  • a gland body that can be attached to a case
  • a cap that is fastened to the gland body
  • a sleeve that is press-fitted between the gland body and the cable when the cap is fastened.
  • the cable gland of Patent Document 2 is formed in a cylindrical shape, a fixing screw portion is formed on the outer peripheral surface, and a ferrite core is attached to the inner peripheral surface.
  • the ferrite core has a hole through which the cable is inserted. In this cable gland, the ferrite core can reduce the noise of the cable.
  • Patent Document 2 does not describe the mounting structure of the ferrite core to the cable gland, and there is room for improvement. For example, if the ferrite core falls off the cable gland, the ferrite core may be damaged.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a mounting member capable of properly mounting a ferrite core on a cap.
  • the mounting member according to the present invention is for mounting the ferrite core on the cap of the cable gland.
  • the cap includes a cylindrical side peripheral wall portion and a top wall portion formed at one end of the side peripheral wall portion, and a first insertion hole through which a cable is inserted is formed in the top wall portion.
  • the mounting member is a circular plate portion having a second insertion hole through which the cable is inserted, is disposed on one surface side of the plate portion, is attached to the cap, and is disposed on the other surface side of the plate portion.
  • a holding unit that holds the core.
  • the attachment portion is formed on the inner edge portion of the plate portion, and the holding portion is formed on the outer edge portion of the plate portion.
  • the mounting portion may have a snap-fit structure, and may be configured to be fitted into the first insertion hole of the top wall portion of the cap.
  • the holding portion may have a snap-fit structure and may be configured to hold the ferrite core from the outer peripheral surface side.
  • the ferrite core can be properly mounted on the cap.
  • FIG. 6 is a perspective view showing a state where the ferrite core is held by the holder of FIG. 5.
  • FIG. 7 is a perspective view showing a state where the holder of FIG. 6 is attached to a cap.
  • the cable gland 100 is provided for attaching the cable 150 to the case 160, as shown in FIG.
  • the cable gland 100 is configured to fix the cable 150 inserted through the insertion hole 161 of the case 160 to the case 160.
  • the cable 150 is a power cable that connects a motor and an inverter (not shown), and the case 160 is an inverter case that houses the inverter.
  • the side where the cable gland 100 is attached to the case 160 (X1 direction side) is the outside of the case 160, and the opposite side (X2 direction side) is the inside of the case 160.
  • the cable gland 100 includes a gland body 1, a cap 2, a sleeve 3, a ferrite core 4, and a holder 5.
  • the holder 5 is an example of the "mounting member" in the present invention.
  • the ground body 1 is configured to be attachable to the case 160.
  • This gland main body 1 is made of resin, for example, and has a cylindrical main body portion 11 through which the cable 150 is inserted, and a flange portion 12 that projects outward from the other end portion (end portion on the X2 direction side) of the main body portion 11. Is included.
  • a male screw portion 13 with which the cap 2 is screwed is formed on the outer peripheral surface of the main body portion 11.
  • a large-diameter portion 14a, a reduced-diameter portion (tapered portion) 14b, and a small-diameter portion 14c are formed on the inner peripheral surface of the main body portion 11 so as to be continuous with each other.
  • the large diameter portion 14a is arranged on one side (X1 direction side), the small diameter portion 14c is arranged on the other side (X2 direction side), and the reduced diameter portion 14b is arranged between the large diameter portion 14a and the small diameter portion 14c. There is.
  • the reduced diameter portion 14b is formed so that the opening diameter gradually decreases toward the flange portion 12 side (X2 direction side).
  • the flange portion 12 is configured to be attachable to the case 160, and when the flange portion 12 is attached to the case 160, the small diameter portion 14c is fitted in the insertion hole 161 of the case 160.
  • a bolt insertion hole 15 is formed in the flange portion 12 and a bolt insertion hole 162 is formed in the case 160, and a bolt (not shown) inserted in the bolt insertion holes 15 and 162 is fastened.
  • the flange portion 12 is attached to the case 160.
  • the cap 2 is configured so that it can be fastened to the gland body 1.
  • the cap 2 is made of resin, for example, and as shown in FIG. 4, a cylindrical side peripheral wall portion 21 and a top wall portion formed at one end portion (end portion on the X1 direction side) of the side peripheral wall portion 21. 22 and 22 are included.
  • the top wall portion 22 has an insertion hole 23 through which the cable 150 is inserted.
  • a female screw portion 24 that is screwed into the male screw portion 13 is formed on the other end side (X2 direction side) of the inner peripheral surface of the side peripheral wall portion 21.
  • the cap 2 is provided with an accommodating portion 25 in which the ferrite core 4 is accommodated between the top wall portion 22 and the female screw portion 24 in the side peripheral wall portion 21.
  • the insertion hole 23 is an example of the "first insertion hole" in the present invention.
  • the sleeve 3 is made of rubber, for example, and is elastically deformable.
  • the sleeve 3 is formed in a cylindrical shape so that the cable 150 can be inserted therethrough.
  • the sleeve 3 is configured to be press-fitted between the main body portion 11 of the gland main body 1 and the cable 150.
  • the ferrite core 4 is made of a magnetic material and is provided to reduce noise of the cable 150.
  • the ferrite core 4 is vulnerable to impact and is formed into an annular shape so that the cable 150 can be inserted therethrough.
  • the ferrite core 4 is attached to the cap 2 by the holder 5 and housed in the housing portion 25 of the cap 2.
  • the holder 5 is provided to attach the ferrite core 4 to the cap 2, as shown in FIG. 7. That is, the holder 5 is interposed between the cap 2 and the ferrite core 4, and is made of, for example, a thin plate material.
  • the holder 5 is made of resin, for example, and includes a plate portion 51, a mounting portion 52, and a holding portion 53, as shown in FIG.
  • the plate portion 51 is formed in a substantially circular shape, and has an insertion hole 51a in the center thereof through which the cable 150 is inserted.
  • the mounting portion 52 is arranged on one surface side (X1 direction side) of the plate portion 51, and the holding portion 53 is arranged on the other surface side (X2 direction side) of the plate portion 51.
  • the insertion hole 51a is an example of the "second insertion hole" in the present invention.
  • the attachment part 52 is configured to be attached to the cap 2.
  • the mounting portions 52 are formed on the inner edge portion of the plate portion 51, and a plurality of mounting portions 52 are provided at predetermined intervals in the circumferential direction. That is, the plurality of mounting portions 52 are arranged in a circle so as to surround the insertion hole 51a. For example, the six mounting portions 52 are arranged at intervals of 60 degrees.
  • Each of the mounting portions 52 has a pair of arm portions 521 extending from the plate portion 51 to one side (X1 direction side), a coupling portion 522 that couples the tips of the pair of arm portions 521, and a radial outward direction protruding from the coupling portion 522. And a claw portion 523 that operates.
  • the arm portion 521 is configured to be elastically deformable in the radial direction. As shown in FIG. 1, the claw portion 523 is adapted to be engaged with the outer surface (the surface on the X1 direction side) of the top wall portion 22 of the cap 2. That is, each mounting portion 52 has a snap-fit structure and is configured to be fitted into the insertion hole 23 of the top wall portion 22 of the cap 2.
  • the holding portion 53 is configured to hold the ferrite core 4, as shown in FIG.
  • the holding portions 53 are formed on the outer edge of the plate portion 51, and a plurality of holding portions 53 are provided at predetermined intervals in the circumferential direction. That is, the plurality of holding portions 53 are arranged in a circle so as to surround the plate portion 51.
  • the holding portions 53 are arranged so as to be displaced in the circumferential direction with respect to the mounting portions 52, and the mounting portions 52 and the holding portions 53 are alternately arranged in the circumferential direction.
  • the six holding portions 53 are arranged at intervals of 60 degrees, and the holding portions 53 are displaced from the mounting portion 52 by 30 degrees.
  • Each holding portion 53 has a pair of arm portions 531 extending from the plate portion 51 to the other side (X2 direction side), a connecting portion 532 that connects the tips of the pair of arm portions 531, and projects radially inward from the connecting portion 532. And a claw portion 533 that operates.
  • the arm portion 531 is configured to be elastically deformable in the radial direction.
  • the claw portion 533 is adapted to be engaged with the other surface (the surface on the X2 direction side) of the ferrite core 4. That is, each holding portion 53 has a snap-fit structure and is configured to hold the ferrite core 4 from the outer peripheral surface side.
  • the ground body 1 (see FIG. 3) is attached to the case 160 (see FIG. 3). Specifically, the flange portion 12 of the ground body 1 is attached to the case 160 by fastening bolts (not shown) inserted into the bolt insertion hole 15 of the ground body 1 and the bolt insertion hole 162 of the case 160. . At this time, the small-diameter portion 14c of the gland body 1 is fitted into the insertion hole 161 of the case 160, and the internal space of the gland body 1 communicates with the inside of the case 160 via the insertion hole 161.
  • the holding portion 53 of the holder 5 holds the ferrite core 4. Specifically, by elastically deforming the arm portion 531 (see FIG. 5) of the holding portion 53 to the outside in the radial direction, the ferrite core 4 is moved to the plate portion 51 side with the claw portion 533 of the holding portion 53 being released. Pushed in. Then, when the ferrite core 4 is pushed in until it comes into contact with the plate portion 51, the arm portion 531 returns to the original position, and the claw portion 533 is engaged with the other surface (the surface on the X2 direction side) of the ferrite core 4. . Therefore, the holding portion 53 holds the ferrite core 4. When the ferrite core 4 is held by the holding portion 53, the ferrite core 4 is sandwiched by the plate portion 51 and the claw portion 533 in the thickness direction, and the outer peripheral surface of the ferrite core 4 is surrounded by the arm portion 531.
  • the holder 5 holding the ferrite core 4 is attached to the cap 2.
  • the attachment portion 52 (see FIG. 2) of the holder 5 is inserted into the insertion hole 23 (see FIG. 2) of the cap 2
  • the inner peripheral surface of the insertion hole 23 causes the claw portion 523 to be radially inward.
  • the arm portion 521 is elastically deformed by being pushed by.
  • the claw portion 523 leaves the insertion hole 23, the arm portion 521 returns to the original position, and the claw portion 523 is engaged with the outer surface (the surface on the X1 direction side) of the top wall portion 22 of the cap 2. Therefore, the attachment portion 52 (see FIG. 1) is attached to the cap 2 (see FIG. 1).
  • the arm portion 521 When the mounting portion 52 is mounted on the cap 2, the arm portion 521 is inserted into the insertion hole 23, and the top wall portion 22 is sandwiched between the plate portion 51 and the claw portion 523. That is, the arm portion 521 is arranged along the inner peripheral surface of the insertion hole 23, and the plate portion 51 is arranged along the inner surface (the surface on the X2 direction side) of the top wall portion 22. Further, the arm portion 531 of the holder 5 is arranged along the inner surface of the side peripheral wall portion 21 of the cap 2.
  • the ferrite core 4 is attached to the cap 2 by the holder 5.
  • the ferrite core 4 attached to the cap 2 is housed in the housing portion 25 (see FIG. 4) of the cap 2.
  • the cable 150 (see FIG. 3) is inserted through the insertion hole 161 of the case 160 and the main body portion 11 of the gland main body 1, and the sleeve 3 and the cap 2 are inserted through the cable 150. Since the ferrite core 4 is attached to the cap 2 via the holder 5, the cable 150 is inserted into the insertion hole 23 of the cap 2, the insertion hole 51 a of the holder 5, and the ferrite core 4.
  • the female screw portion 24 of the cap 2 is fastened to the male screw portion 13 of the gland body 1 with the sleeve 3 fitted to the body portion 11 of the gland body 1.
  • the sleeve 3 is pressed toward the flange 12 side (X2 direction side) by the ferrite core 4 in the cap 2. Therefore, the sleeve 3 is pushed between the reduced diameter portion 14b of the gland body 1 and the cable 150, and the sleeve 3 is elastically deformed and press-fitted. Therefore, the sleeve 3 fills the gap between the gland body 1 and the cable 150, so that foreign matter (for example, water, oil, and dust) is prevented from entering the case 160.
  • foreign matter for example, water, oil, and dust
  • the ferrite core 4 is pressed against the top wall portion 22 side of the cap 2 by the repulsive force of the sleeve 3, the position of the ferrite core 4 in the cap 2 is stabilized.
  • the tightening amount of the cap 2 is adjusted according to, for example, the diameter of the cable 150. Further, when the cap 2 is fastened to the gland body 1, the top wall portion 22 of the cap 2 slides on the plate portion 51 of the holder 5.
  • the attachment portion 52 is formed on the inner edge portion on the one surface side of the plate portion 51, and the holding portion 53 is formed on the outer edge portion on the other surface side of the plate portion 51, thereby holding the plate portion 51. Since the ferrite core 4 is held by the portion 53 and attached to the cap 2 by the attaching portion 52, the ferrite core 4 can be properly attached to the cap 2. As a result, regardless of the posture of the assembling work, it is possible to prevent the ferrite core 4 from being damaged by being dropped or dropped from the cap 2. Further, it is possible to reduce an unbalanced load between the cap 2 and the ferrite core 4 and reduce sliding friction when the cap 2 rotates. Further, since the holder 5 is made of a thin plate-shaped material, it is possible to prevent the cable gland 100 from increasing in size.
  • the holder 5 can be easily attached to and detached from the cap 2 because the mounting portion 52 has the snap-fit structure. Further, since the holding portion 53 has the snap fit structure, the ferrite core 4 can be easily attached to and detached from the holder 5. Then, the impedance characteristic can be changed by changing the material and shape of the ferrite core 4 (for example, the opening area of the hollow portion).
  • the present invention is applied to the cable gland 100 that fixes the cable 150 that is a power cable that connects the motor and the inverter is shown, but the invention is not limited to this, and the motor and the inverter are connected.
  • the present invention may be applied to a cable gland for fixing cables other than power cables.
  • the example in which the present invention is applied to the cable gland 100 that fixes the cable 150 to the case 160 that is the inverter case is not limited to this, and the cable that fixes the cable to a case other than the inverter case is not limited to this.
  • the present invention may be applied to the ground.
  • the present invention can be used as a mounting member for mounting a ferrite core on a cable gland cap.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Cable Accessories (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un élément de montage qui permet à un noyau de ferrite d'être monté de manière appropriée sur un noyau de ferrite. À cet effet, l'invention porte sur un support (5) qui est destiné à monter un noyau de ferrite (4) sur un capuchon (2) d'une masse de câble (100). Le capuchon (2) comprend : une partie paroi circonférentielle latérale cylindrique (21) ; et une paroi supérieure (22) formée à une extrémité de la partie paroi circonférentielle latérale (21). Un trou traversant (23) à travers lequel passe un câble (150) est formé dans la paroi supérieure (22). Le support (5) comprend : une partie plaque circulaire (51) ayant un trou traversant (51a) à travers lequel passe un câble (150) ; une partie de montage (52) positionnée sur un côté de la partie plaque (51) et montée sur le capuchon (2) ; et une partie de maintien (53) positionnée sur l'autre côté de la partie plaque (51) et qui maintient le noyau de ferrite (4). La partie de montage (52) est formée sur le rebord interne de la partie plaque (51) et la partie de maintien (53) est formée sur le rebord externe de la partie plaque (51).
PCT/JP2019/030440 2018-10-22 2019-08-02 Élément de montage Ceased WO2020084857A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980066538.3A CN112805895B (zh) 2018-10-22 2019-08-02 安装构件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018198624A JP6568287B1 (ja) 2018-10-22 2018-10-22 取付部材
JP2018-198624 2018-10-22

Publications (1)

Publication Number Publication Date
WO2020084857A1 true WO2020084857A1 (fr) 2020-04-30

Family

ID=67766687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/030440 Ceased WO2020084857A1 (fr) 2018-10-22 2019-08-02 Élément de montage

Country Status (4)

Country Link
JP (1) JP6568287B1 (fr)
CN (1) CN112805895B (fr)
TW (1) TW202021221A (fr)
WO (1) WO2020084857A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH716759B1 (de) * 2019-10-31 2022-11-15 Agro Ag Kabelverschraubung mit einem Filterelement zum Filtern von spezifischen Störfrequenzen.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004127533A (ja) * 2002-09-30 2004-04-22 Yokogawa Electric Corp ケーブルコネクタ
DE102009046142A1 (de) * 2009-10-29 2011-09-15 Endress + Hauser Gmbh + Co. Kg Kabeldurchführung und Messgerät mit Kabeldurchführung
WO2013065598A1 (fr) * 2012-10-26 2013-05-10 アサヒ電子株式会社 Bague de câble

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5148894B2 (ja) * 2007-02-23 2013-02-20 日本圧着端子製造株式会社 コネクタ用雌端子、コネクタ及び電気的接続装置
DE102010029670A1 (de) * 2010-06-02 2011-12-08 Tyco Electronics Amp Gmbh Verbinderbaugruppe für einen elektrischen Steckverbinder, elektrischer Steckverbinder und konfektioniertes elektrisches Kabel
JP2014229488A (ja) * 2013-05-22 2014-12-08 株式会社オートネットワーク技術研究所 フェライトコア内蔵コネクタ
JP6135584B2 (ja) * 2014-04-02 2017-05-31 日立金属株式会社 配線部材

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004127533A (ja) * 2002-09-30 2004-04-22 Yokogawa Electric Corp ケーブルコネクタ
DE102009046142A1 (de) * 2009-10-29 2011-09-15 Endress + Hauser Gmbh + Co. Kg Kabeldurchführung und Messgerät mit Kabeldurchführung
WO2013065598A1 (fr) * 2012-10-26 2013-05-10 アサヒ電子株式会社 Bague de câble

Also Published As

Publication number Publication date
TW202021221A (zh) 2020-06-01
CN112805895B (zh) 2022-04-15
CN112805895A (zh) 2021-05-14
JP2020068557A (ja) 2020-04-30
JP6568287B1 (ja) 2019-08-28

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