EP1111720A1 - Borne à ressort sans vis - Google Patents

Borne à ressort sans vis Download PDF

Info

Publication number
EP1111720A1
EP1111720A1 EP00124038A EP00124038A EP1111720A1 EP 1111720 A1 EP1111720 A1 EP 1111720A1 EP 00124038 A EP00124038 A EP 00124038A EP 00124038 A EP00124038 A EP 00124038A EP 1111720 A1 EP1111720 A1 EP 1111720A1
Authority
EP
European Patent Office
Prior art keywords
terminal according
sliding element
clamping
terminal
spring
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.)
Withdrawn
Application number
EP00124038A
Other languages
German (de)
English (en)
Inventor
Ludger Sorig
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP1111720A1 publication Critical patent/EP1111720A1/fr
Withdrawn legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs

Definitions

  • the invention relates to a screwless terminal according to the preamble of claim 1.
  • Such screwless terminals are used for connection one or more electrical conductors and for further connection of the conductors e.g. with terminal blocks, a PCB terminal block or a connector.
  • a screwless clamp in which a conductor can be fixed to a connecting terminal.
  • a tensioning element is provided for this, which can move the connector into a receiving position around the conductor to be inserted into an opening in the connection terminal.
  • the clamping member is rotated so that an eccentric section on the clamping member the terminal releases and the conductor firmly by the spring force on the Terminal is held.
  • the tensioning element must be released to release the conductor be turned again until the eccentric section engages the terminal and the clamping force of the terminal is overcome.
  • This training the terminal requires an operating tool for both clamping as well as for removing an electrical conductor.
  • the known Terminal a complex construction, since it consists of many individual components is composed.
  • a clamping device is known from the generic DE 38 30 442 C2, a slider next to the insertion opening for an electrical conductor is provided for clamping the conductor. This is between the electrical Head and the slider arranged a leaf spring, which when the Slider is compressed and thus clamps the conductor. To solve the Clamp connection, the slide is pulled out, so that the leaf spring spreads and releases the leader.
  • This clamping device has the advantage that no tools are required to operate the slide, but must to remove the conductor, pull out the slide and then to be pushed back into the housing for connection. With the known Clamping device also has the disadvantage that the leaf spring is expensive in the Housing must be stored and the manufacture of a large number of individual components makes the clamping device complex and expensive.
  • connection terminal easily clamped to the ladder and removed without tools can be. Furthermore, the connection terminal should consist of a few individual components be composed and thus be inexpensive to manufacture.
  • the sliding element is by a Part of the clamping spring can be moved into the starting position.
  • the sliding element is preferably along its longitudinal axis from the starting position slidable into the unlocked position.
  • a driver is provided for actuating the for the conductor connection provided provided spring leg.
  • the sliding element is preferably held captive in the housing, so that it cannot be accidentally lost.
  • the clamping spring a spring leg on the end of the sliding element arranged in the housing is present.
  • the sliding element is fixed in a simple manner reached.
  • the clamping spring can be between the clamping leg and the spring leg a section with reduced Have width at which the sliding element is carried out. This leaves realize the connection terminal with only a minimal width.
  • the sliding element can preferably be locked in the unlocking position. This Allows the user to provide an open nip, for example to insert a fine-stranded conductor into the connection terminal, which through the Otherwise the clamping spring could be damaged.
  • a simple mechanical education the locking provides that the sliding element is a locking device has, which engages in a recess of the housing. The locking device can by rotating a part of the sliding element into the recess engage, in which case the sliding element is formed in two parts. It is also possible to provide a kind of locking or clamping mechanism for locking.
  • the terminal shown in FIGS. 1 to 4 has a clamping spring 1, the is mounted on a contact body 2.
  • the contact body 2 and the clamping spring 1 are housed in a housing 4 made of insulating material, e.g. with a Another housing part 5 made of insulating material can be connected.
  • a sliding element 3 is provided which is displaceable in the housing 4 is stored.
  • the clamping spring 1 has a V-shaped rear section, which consists of a Spring leg 10 and a support leg 11 is formed.
  • the spring leg 10 is movable through a front end of the sliding element 3 to the support leg 11.
  • a bearing surface 12 is formed adjacent to the V-shaped section abuts a part of the contact body 2.
  • the bearing surface 12 is over a arched web 13 connected to a clamping leg 14, at the end of one Clamping edge 15 is formed for locking a conductor.
  • the web 13 has a reduced width compared to the other sections of the clamping spring 1, wherein the sliding element 3 is carried out on the recessed area.
  • the contact body 2 here has, for example, a socket contact 21.
  • Other Contact forms such as connector pins, solder pins, press-in pins are here however also possible.
  • the contact body 2 lies against a side wall 24 the housing 4.
  • a bottom 22 is formed integrally with the side wall 24 serves on the one hand to guide the sliding element 3 and on the other hand on the support surface 12 of the clamping spring 1 is applied.
  • the housing 4 encompasses the contact body 2 and has an upper side 41 upper recess 43 and on its lower side 42 a lower recess 44 on, each with a locking device of the second housing part 5 in engagement can be brought.
  • the sliding element 3 has a head 30 which is provided with a slot 31 is. In a central section, the sliding element 3 is provided with a driver 32, on which a projection 33 is formed. At the front of the Sliding element 3 is formed a rounded front 34, which on the Clamp leg 10 of the clamping spring 1 is applied.
  • the terminal is shown without an electrical conductor.
  • the Sliding element 3 is slidably mounted in the housing 4, but cannot be lost.
  • the housing 4 is provided with a projection 45 on which the driver 32 of the sliding element 3 rests.
  • the curved front 34 of the sliding element 3 is always in contact with the spring leg 10 of the clamping spring 1. This the sliding element 3 is pressed into its starting position, the projection 45 serves as a stop.
  • the housing 4 can also be designed so that two .or find several terminals in it.
  • the terminal shown in Figure 6 has a contact body 2 ', which in its rear area ends in a flat section 2 ".
  • This section can be used for the attachment of connection pins, for example here can be soldered or spotted.
  • an electrical conductor 6 it is inserted into the conductor insertion opening of the housing 4 inserted until the end edge of the conductor 6 on the clamping leg 14 is present. Due to the oblique arrangement of the clamping leg 14 can the conductor 6 can be inserted further into the housing 4 by slight pressure, whereby the clamping leg 14 is pushed down. The sliding element 3 remains by the retention force of the spring leg 10 in the starting position, too if a slight friction occurs between the conductor 6 and the driver 32 should.
  • the sliding element 3 can also be pressed in for the introduction of the conductor 6 be so that the driver 32 and the projection 33 of the clamping leg 14 is compressed and the conductor 6 without resistance in the housing 4 can be introduced. After releasing the sliding element 3 the conductor 6 is automatically clamped to the upper side of the contact body 2 ' and pushed the sliding element 3 back into its starting position.
  • FIG. 7 shows the connecting terminal with the conductor 6 inserted.
  • the top 15 the clamping leg 14 rests against the conductor 6 with a certain spring force.
  • the clamping edge 15 is wedge-like to the contact body 2, so that the conductor 6 cannot be pulled out of the connection terminal.
  • the sliding element 3 pressed into the housing 4.
  • the projection 33 engages the driver 32 to the clamping leg 14 so that the clamping edge 15 of the conductor 6 . is pivoted away.
  • the conductor 6 can then simply be pulled out of the housing 4 be as long as the sliding element 3 is pressed.
  • the sliding element 3 is released so that the clamping leg 10 from the compressed position back to the starting position moves and thus also the sliding element 3 in its starting position shifts.
  • a sliding element 3 ' is included Locking facility provided.
  • the sliding element 3 ' is formed in two parts, the head 30 'being rotatable.
  • the head 30 ' is e.g. a barrel-shaped cone 36 inserted into the pin section and is there by means of clamping forces in the Pin section held.
  • the head 30' is rotated, whereby a Projection 35 on head 30 'is moved into a receptacle in housing 4'.
  • the sliding element 3 ' in the housing 4 ' can not be moved to its starting position.
  • the sliding element 3 ' is preferably in the position with a tensioned clamping spring lockable, at which the terminal point for the conductor 6 is open to make it easier Ensure wire connection. But it is also possible to lock it in the relaxed position (Fig. 9) or an intermediate position.
  • the head 30 ' In order to move the sliding element 3 'inwards in the position shown in FIG. 9, the head 30 'is rotated until it comes to a position in which the projection 35 no longer strikes the housing 4 '. Then the sliding element 3 'are pressed inward so that the clamping leg 14 in the unlocked Move position. It is possible that the sliding element 3 ' is locked in the unlocked position, again with the projection 35 in Can engage with a receptacle of the housing 4 '.
  • the locking of the fastening pin 3 'can instead of the rotatable shown Head 30 ' also take place with a known locking or clamping mechanism. It is also possible to have a type of bayonet connection between the housing 4 ' and to provide the head 30 'of the mounting pin 3'.
  • FIG. 10 shows a further embodiment of a connection terminal in which a clamping spring 101 is provided, which is adjacent to a contact body 102 is arranged.
  • the contact body 102 and the clamping spring 101 are in a housing 104 made of insulating material, which with another housing part 105 is connected from insulating material.
  • the clamping spring 101 has an elastic spring leg 110 and a support leg 111, which are connected to each other via a bend.
  • the feather leg 110 is through a front end of a sliding element 103 to the support leg 111 movable.
  • the clamping spring 101 is at the bottom on a flat support section 112 Part of the contact body 102 supported.
  • the support section 112 is by means of a curved web 113 and a stop 122 of the contact body 102 in Direction of displacement of the sliding element 103 held stationary.
  • Integral with the Clamping spring 101 is formed in the middle of a clamping leg 114, one in one Section 133 formed recess in the sliding element 103 passes through.
  • the Clamp leg 114 clamps a conductor, not shown, against grooves 120 which are formed on the contact body 102.
  • the contact body 102 points to the a curved section 121 opposite the sliding element 103 on.
  • the sliding element 103 is shortened in this embodiment and has a tapered tip 130 for actuating the spring leg 110. In its end protruding from the housing 104 is the sliding element 103 with a . Provide actuation slot 132.
EP00124038A 1999-11-17 2000-11-04 Borne à ressort sans vis Withdrawn EP1111720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29920231U DE29920231U1 (de) 1999-11-17 1999-11-17 Schraubenlose Anschlußklemme
DE29920231U 1999-11-17

Publications (1)

Publication Number Publication Date
EP1111720A1 true EP1111720A1 (fr) 2001-06-27

Family

ID=8081752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124038A Withdrawn EP1111720A1 (fr) 1999-11-17 2000-11-04 Borne à ressort sans vis

Country Status (3)

Country Link
US (1) US6336824B1 (fr)
EP (1) EP1111720A1 (fr)
DE (1) DE29920231U1 (fr)

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DE10114921A1 (de) * 2001-03-26 2002-10-10 Wago Verwaltungs Gmbh Elektr. Federkraftklemme

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JP2004327163A (ja) * 2003-04-23 2004-11-18 Bunhin Chin 電気連接装置の固定座
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114921A1 (de) * 2001-03-26 2002-10-10 Wago Verwaltungs Gmbh Elektr. Federkraftklemme
DE10114921B4 (de) * 2001-03-26 2016-08-18 Wago Verwaltungsgesellschaft Mbh Elektrische. Federkraftklemme

Also Published As

Publication number Publication date
DE29920231U1 (de) 2001-04-05
US6336824B1 (en) 2002-01-08

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