WO2022111629A1 - Borne de câblage et connecteur électrique - Google Patents

Borne de câblage et connecteur électrique Download PDF

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Publication number
WO2022111629A1
WO2022111629A1 PCT/CN2021/133471 CN2021133471W WO2022111629A1 WO 2022111629 A1 WO2022111629 A1 WO 2022111629A1 CN 2021133471 W CN2021133471 W CN 2021133471W WO 2022111629 A1 WO2022111629 A1 WO 2022111629A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating member
insulating housing
elastic
electrical conductor
elastic clamping
Prior art date
Application number
PCT/CN2021/133471
Other languages
English (en)
Chinese (zh)
Inventor
丁高松
陈招
蓝贵凡
Original Assignee
宁波高松电子有限公司
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 宁波高松电子有限公司 filed Critical 宁波高松电子有限公司
Publication of WO2022111629A1 publication Critical patent/WO2022111629A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks

Definitions

  • the invention relates to the technical field of wiring terminals, in particular to a wiring terminal and an electrical connector with high space utilization rate and convenient wiring and wiring operations.
  • the existing electrical connector has at least one connection terminal, the connection terminal includes an insulating housing and a cover plate assembled with each other, the insulating housing is provided with a wiring hole for the wire to be inserted, the insulating housing is provided with a conductor, and The space formed by the assembly of the insulating shell and the cover plate is also provided with a clamping elastic piece.
  • the clamping elastic piece has a fixed end fixed on the conductor and a free end that can be elastically deformed and moved after being subjected to top pressure.
  • Cigar invention patent CN100442600C (Patent No. 200510119372.7) discloses a connecting device for electrical conductors, which has a clamping part, where a clamp which is directly or via a metal cage is installed into an insulating material shell is arranged Tightening spring, the clamping spring is designed to press a conductor against a contact rail in the switched-on state, wherein the clamping spring is equipped with an actuating device designed to actuate the ejector for actuating the clamping spring to open
  • the clamping part is characterized in that: the operating ejector is provided with at least two mating areas on its outer surface for mating with operating tools, and the two mating areas are designed as notch-type recesses for mating with screwdrivers Each matching area forms an angle with each other on the operating ejector, and two notch-type grooves are arranged on the operating ejector at an angle of 60-120° to each other.
  • the operating ejector is particularly suitable for the operation of direct plug-in connections in confined spaces, since the operating tool can be mated in different positions and in different directions.
  • the actuating ejector element is used to open the clamping spring, so that the operating ejector element is particularly suitable for opening the spring which acts as a compression spring on the conductor and presses the conductor against a contact rail at the clamping point, especially for operating
  • the two mating areas of the tool are angled to each other and/or on mutually angled areas of the operating ejector.
  • the connecting device disclosed in the invention patent CN100442600C also has some problems: in the insulating material housing with limited internal space, since the operating ejector and the clamping spring are arranged on the same side of the insulating material housing, during the operating ejector When the free end of the clamping spring is pressed against the free end of the clamping spring to facilitate the wire being inserted into the insulating material housing or taken out from the insulating material housing, the operating ejector needs to have a sufficient length to ensure that the operating ejector can be pressed to the Clamp the free end of the spring.
  • the operation ejector at this time needs to occupy a large space in the insulating material housing, which will reduce the space utilization rate in the insulating material housing, and finally the operation ejection can only be satisfied by increasing the overall volume of the insulating material housing.
  • the first technical problem to be solved by the present invention is to provide a connection terminal which is convenient for wiring and wire-taking operations in view of the above-mentioned prior art.
  • the second technical problem to be solved by the present invention is to provide an electrical connector for the above-mentioned prior art.
  • connection terminal includes:
  • Insulating housing with wiring holes
  • the cover plate is assembled together with the insulating shell
  • the operating part is arranged on the insulating housing;
  • the electrical conductor is arranged in the space formed after the insulating shell and the cover plate are assembled;
  • the elastic clamping piece is arranged in the space formed after the insulating housing and the cover plate are assembled, the elastic clamping piece has a fixing part and an elastic free part, and the fixing part is arranged in the insulating housing;
  • the insulating housing has a top opening
  • the first end of the operating member is rotatably arranged on the insulating housing and the first end is located above the electrical conductor
  • the second end of the operating member The second end portion of the operating member is movably located in the top opening; wherein, when the second end portion of the operating member is rotated due to the downward pressure on the operating member, the second end portion presses against the elastic free portion of the elastic clamping member, so that A gap for the conductive wire to pass through is formed between the elastic free portion and the electrical conductor.
  • a gap is formed between the electrical conductors for the conductive wires to pass through, so that it is convenient to take out the wires that have been connected to the inside of the insulating housing or connect the external wires to the inside of the insulating housing through the wiring holes of the insulating housing; Under the action of the elastic restoring force of the tightening member, the connected wire is clamped between the elastic free portion of the elastic clamping member and the electrical conductor to realize electrical contact between the wire and the electrical conductor.
  • the second end of the operating member presses the elastic free portion of the elastic clamping member against the elastic free portion of the elastic clamping member, so there is no need to extend the length of the operating member.
  • the length of the second end portion can easily and effortlessly press the elastic free portion of the elastic clamping member, so as to facilitate the insertion of the wire or the removal of the wire.
  • a limiting structure for limiting the movement stroke of the elastic free portion of the elastic clamping member is formed on the electrical conductor.
  • the operating member includes:
  • an operating member body formed with a first end portion of the operating member
  • At least one extension arm is formed on the operating member body, and the end of the extending arm is the second end of the operating member;
  • the first end of the operating member has a rotating shaft
  • the insulating housing is formed with a rotating shaft hole adapted to rotate the rotating shaft
  • the operating member has an opening that is directly opposite to the top opening of the insulating housing, so that the electrical testing tool can be inserted into the operating member. After the opening, it contacts the electrical conductor to complete the electrical measurement.
  • the insulating housing may also have a pin shaft, and the first end of the operating member has a pin shaft adapted to rotate pin hole. That is, through the rotational cooperation between the pin shaft and the pin shaft hole, the effect of the rotation setting of the operating member on the insulating housing is realized.
  • the electrical conductor comprises:
  • the electrical conductor body is formed with a hypotenuse, and the hypotenuse is the defined structure.
  • a first fixing part formed on the electrical conductor body, the first fixing part is located below the first end of the operating member;
  • the second fixing portion is formed on the electrical conductor body, and the fixing portion of the elastic clamping piece is arranged on the second fixing portion.
  • a fixing hole is formed on the electrical conductor body, and a first fixing hole is formed on the insulating housing to be fastened to the fixing hole. column.
  • the fixing part of the elastic clamping member and the electrical conductor are fastened and fitted with each other through the connection terminal of the invention.
  • the concave-convex structure is fixed together.
  • the electrical connector is characterized in that it has at least one of the connection terminals described in any one of the above.
  • the present invention has the advantages that: when the wire needs to be taken out or connected through the wiring hole of the terminal, by applying pressure to the second end of the operating member, the first end of the operating member will be opposite to each other.
  • the second end of the operating piece moves toward the inside of the insulating housing in the top opening of the insulating housing, until the second end of the operating piece presses against the elastic free portion of the elastic clamping piece and
  • the elastic free part moves down, a gap is formed between the elastic free part and the electrical conductor for the conductive wire to pass through, so that it is convenient to take out the wire that has been connected to the inside of the insulating housing or connect the external wire through the insulating housing.
  • the hole is connected to the inner side of the insulating shell;
  • the connected wire is clamped between the elastic free part of the elastic clamping piece and the electrical conductor, so as to realize the electrical contact between the wire and the electrical conductor. Since the operating member is arranged above the electrical conductor, and the operating member can rotate relative to the insulating housing, the second end of the operating member presses against the elastic free portion of the elastic clamping member, so the terminal is suitable for compact applications.
  • the operating part In places where the shape or space is limited, and the operating part is small in size, it has sufficient strength, and it is easy and labor-saving to press the elastic free part of the elastic clamping part without extending the length of the second end of the operating part, so as to facilitate access
  • the problem of non-rebounding of the operating element can also be avoided by pulling the wire or taking out the wire.
  • the electrical connector of the present invention also has the above-mentioned advantages.
  • connection terminal 1 is a schematic structural diagram of a connection terminal in an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of the terminal shown in FIG. 1 after the cover plate is removed;
  • Fig. 3 is the front view of the structure shown in Fig. 2;
  • FIG. 4 is a schematic exploded view of the structure of the terminal shown in FIG. 1;
  • FIG. 5 is a schematic structural diagram of an insulating housing in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an operating member in an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of an electrical conductor in an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an elastic clamping member in an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of the state when the operating member of the connection terminal presses against the elastic free portion of the elastic clamping member in the embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an electrical connector in an embodiment of the present invention.
  • the terminal includes an insulating housing 1 , a cover plate 2 , an operating member 3 , an electrical conductor 4 and an elastic clamping member 5 .
  • the cover plate 2 is assembled with the insulating casing 1 through a detachable structure, the operating member 3 is arranged on the insulating casing 1, and the electrical conductor 4 and the elastic clamping member 5 are both arranged after the insulating casing 1 and the cover plate 2 are assembled. within the formed space. in:
  • the insulating housing 1 of this embodiment has a wiring hole 10 , a top opening 11 , a shaft hole 12 , a first fixing column 13 and a second fixing column 14 , and the top opening 11 is located at the upper end of the insulating housing.
  • the operating member 3 of this embodiment includes an operating member body 33 and at least one extending arm 34 , and the operating member body 33 has an opening 35 disposed opposite to the top opening 11 of the insulating housing 1 to meet the electrical requirements
  • the test tool is inserted into the opening 35 of the operating member and then contacts the electrical conductor 4 to complete the electrical measurement action;
  • the operating member body 33 is formed with a first end 31 , the first end 31 is located above the electrical conductor 4, and the extension arm 34 is formed on the operating member body 33 , the end of the extending arm 34 forms the second end portion 32 of the operating member 3 , and the first end portion 31 of the operating member 3 has a fitting for the rotating shaft hole 12 to rotate in the rotating shaft hole 12 .
  • Spindle 311 the operating member body 33 and at least one extending arm 34 , and the operating member body 33 has an opening 35 disposed opposite to the top opening 11 of the insulating housing 1 to meet the electrical requirements
  • the test tool is inserted into the opening 35 of the operating member and then contacts the electrical conduct
  • the first end 31 of the operating member 3 can be rotatably disposed on the insulating housing 1 , and the second end 32 of the operating member 3 can be movably positioned on the insulating housing 1 In the top opening 11 of the 1, that is, the second end 32 will perform a rotational movement with the rotating shaft 311 as the center.
  • the electrical conductor 4 of this embodiment includes an electrical conductor body 40 , a first fixing portion 41 and a second fixing portion 42 .
  • the electrical conductor body 40 is formed with a fixing hole 400 and a hypotenuse 401 , and a first fixing column is formed. 13 passes through the fixing hole 400 and realizes the tight fit between the first fixing post 13 and the fixing hole 400 , and the bevel 401 is a limiting structure that defines the movement stroke of the elastic free portion 52 of the elastic clamping member 5 ;
  • the first fixed portion 41 is formed in the electrical conductor body 40, and the first fixed portion 41 is located below the first end portion 31 of the operating member 3;
  • the fixing portion 51 is provided on the second fixing portion 42 .
  • the electrical conductor 4 is directly installed in the space formed after the insulating housing 1 and the cover plate 2 are assembled.
  • the elastic clamping member 5 of this embodiment has a fixed portion 51 , an elastic free portion 52 and an arc-shaped connecting portion 53 located between the elastic free portion 52 and the fixed portion 51 , and the fixed portion 51 is provided on the electrical conductor.
  • the elastic free portion 52 abuts against the first fixing portion 41 of the electrical conductor 4 under the condition of no top pressure.
  • the fixing portion 51 of the elastic clamping member 5 and the electrical conductor 4 are fixed together by a concave-convex structure that is fastened to each other, and the arc-shaped connecting portion 53 is fastened on the second fixing column 14 .
  • connection terminal of this embodiment since the operating member 3 is arranged above the electrical conductor 4, and the operating member 3 can be rotated relative to the insulating housing 1, the second end 32 of the operating member 3 is pressed against the elasticity.
  • the elastic free part of the elastic clamping piece is pressed with less effort, so as to facilitate the insertion of the wire or the removal of the wire, and the problem of non-rebounding of the operating member can also be avoided.
  • the elastic free portion 52 of the elastic clamping member 5 can be pressed by the extending arm 34 of the second end portion 32 of the operating member 3.
  • the elastic free portion 52 can no longer be pressed down, so that It is ensured that the maximum downward stroke that the elastic free portion 52 can achieve when the elastic clamping member is elastically deformed is limited to the oblique edge 401 of the electrical conductor 4, so as to avoid excessive pressing of the elastic free portion of the elastic clamping member, thus maintaining The elastic strength of the elastic clamping piece is improved, so that excessive elastic deformation is not generated, and the service life of the elastic clamping piece is prolonged.
  • the insulating housing 1 can be provided with a pin, and the first end 31 of the operating member 3 has a pin hole adapted to rotate the pin.
  • the first end of the operating member will rotate under the cooperation of the pin shaft hole and the pin shaft, which also realizes the rotational arrangement of the operating member relative to the insulating housing. Effect.
  • the electrical connector has two connection terminals in this embodiment.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

La présente invention concerne une borne de câblage ayant un taux d'utilisation d'espace élevé. La borne de câblage comprend une coque isolante (1), une plaque-couvercle (2), un élément de fonctionnement (3), un conducteur électrique (4), et un élément de serrage élastique (5). Le conducteur électrique (4) et l'élément de serrage élastique (5) sont tous deux disposés dans un espace défini après la coque isolante (1) et la plaque-couvercle (2) sont assemblés ; une première extrémité (31) de l'élément de fonctionnement (3) est disposée de manière rotative sur le boîtier isolant (1) ; une seconde extrémité (32) de l'élément de fonctionnement (3) est située de façon mobile dans une ouverture supérieure (11). La seconde extrémité (32) s'appuie contre une partie libre élastique (52) de l'élément de serrage élastique (5) lorsque la seconde extrémité (32) de l'élément de fonctionnement (3) tourne lorsque l'élément de fonctionnement (3) est soumis à une force de descente. La présente invention concerne également un connecteur électrique. Selon la borne de câblage de la présente invention, l'élément de serrage élastique peut être pressé de manière économe en main d'œuvre sans étendre la longueur de la seconde extrémité de l'élément de fonctionnement ; un fil peut être commodément connecté ou retiré, et le problème selon lequel l'élément de fonctionnement ne rebondit pas est évité.
PCT/CN2021/133471 2020-11-30 2021-11-26 Borne de câblage et connecteur électrique WO2022111629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011372026.0 2020-11-30
CN202011372026.0A CN112382865A (zh) 2020-11-30 2020-11-30 接线端子及电连接器

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WO2022111629A1 true WO2022111629A1 (fr) 2022-06-02

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WO (1) WO2022111629A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112382865A (zh) * 2020-11-30 2021-02-19 宁波高松电子有限公司 接线端子及电连接器
CN113612039B (zh) * 2021-07-21 2023-06-30 恩尼特克电子科技(深圳)有限公司 螺旋弹簧式锁线端子台

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11162532A (ja) * 1997-08-12 1999-06-18 Wago Verwaltungs Gmbh 電気端子
CN209913119U (zh) * 2019-06-14 2020-01-07 施耐德电气（澳大利亚）有限公司 接线端子和电连接器
CN209948126U (zh) * 2019-06-14 2020-01-14 施耐德电气（澳大利亚）有限公司 接线端子和电连接器
CN111613908A (zh) * 2019-06-24 2020-09-01 江西高超实业有限公司 接线端子
CN112382865A (zh) * 2020-11-30 2021-02-19 宁波高松电子有限公司 接线端子及电连接器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11162532A (ja) * 1997-08-12 1999-06-18 Wago Verwaltungs Gmbh 電気端子
CN209913119U (zh) * 2019-06-14 2020-01-07 施耐德电气（澳大利亚）有限公司 接线端子和电连接器
CN209948126U (zh) * 2019-06-14 2020-01-14 施耐德电气（澳大利亚）有限公司 接线端子和电连接器
CN111613908A (zh) * 2019-06-24 2020-09-01 江西高超实业有限公司 接线端子
CN112382865A (zh) * 2020-11-30 2021-02-19 宁波高松电子有限公司 接线端子及电连接器

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