CN102356516B - Cage cable clamp - Google Patents

Cage cable clamp Download PDF

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Publication number
CN102356516B
CN102356516B CN200980153565.0A CN200980153565A CN102356516B CN 102356516 B CN102356516 B CN 102356516B CN 200980153565 A CN200980153565 A CN 200980153565A CN 102356516 B CN102356516 B CN 102356516B
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CN
China
Prior art keywords
cage
frame part
supporting leg
contact pin
terminal according
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CN200980153565.0A
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Chinese (zh)
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CN102356516A (en
Inventor
W·齐邦格
P·比勒
R·彼得汉斯
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Landis and Gyr AG
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Landis and Gyr AG
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Publication of CN102356516A publication Critical patent/CN102356516A/en
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    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Cable Accessories (AREA)
  • Centrifugal Separators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Installation Of Bus-Bars (AREA)
  • Patch Boards (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

The invention relates to a cage terminal having a U-profile shaped cage (23) comprising a first and a second leg (11a, b) and a bar (12) connecting said two legs (11a, b) on one side, wherein said legs (11a, b) each comprise a leg window (13a, b) flush with each other. The bar (12) has a threaded bore (26) for receiving a screw (27), by means of which at least one conductor (14a, b) inserted through the two leg windows (13a, b) can be securely clamped.

Description

Cage terminal
Technical field
The present invention relates to electric connection technology field; It relates to a kind of according to the cage terminal of claim 1 preamble.
Background technology
According to the binding post for electric device of the known various different execution modes of prior art.Crucial difference is, fixing in this binding post, namely by means of the mode of spring or bolt attached cable or cable.Binding post is looked at as that binding post of bolt connection and cage terminal collaborative work herein.
According to the known a kind of binding post of DE 693 02 103, wherein, the sealing cage of being made by metallic conductor has approximate rectangular framework, two side direction contact pin and a surface of band bottom, and wherein, described surface is constructed to be provided with the nut of screwed hole.The first clamping area is served as in the bottom of cage.The contact arcuate member with the second clamping area so inserts cage, so that the first and second clamping areas can clamp one or more cable.
FR 253 55 34 discloses a kind of binding post with sealing cage equally, and it comprises bottom, two side tabs and has the upper surface for the screwed hole of bolt.This binding post provides such possibility, in cage inside, cable is fixed between two clamping areas or bus collection line connects between bolt and the 3rd clamping area in cage outside.
EP 336 251 illustrates the terminal-framework with outer clamping surface and the box-type frame with interior clamping area according to known a kind of binding post, and cable can be fixed between them.Terminal-framework and box-type frame encapsulate so each other, so that be also connected to each other twisting these two frameworks while connecing cable.Box-type frame is surrounded by terminal-framework substantially, and is constructed to have the cage of the sealing on bottom, two side direction contact pin and surface.On this this surface, also have for receiving the screwed hole of bolt.Here this bottom is curved, and above-mentioned interior clamping area is served as in its inner side.
EP 59 939 discloses a kind of cage terminal with U-shaped cage, and it comprises the first and second supporting legs and the contact pin that connects these two supporting legs in a side, and wherein, supporting leg has respectively the supporting leg window being in alignment with each other.Between supporting leg, insert nut, this nut utilizes protrusion disposed thereon to support in supporting leg window guiding movement.The bolt engaging with this nut is bearing on pressing plate with its bolt head, and this pressing plate covers two supporting legs of unlimited cage.The clamping area of inserted cable is served as in the inner side of U-shaped cage.
All existing binding posts generally speaking, have the cage of a plurality of parts and/or Self-Closing, and the expense of manufacturing this binding post is corresponding higher.In addition with respect to cable cross-section, with the clamping area of this fixing cable and binding post, there is larger contact-making surface, in the tightening torque situation using predetermined torque as bolt, obtain being thus applied to the extruding force of the corresponding maximum on the clamping area of binding post.Extruding force on this clamping area that is applied to binding post (cable that for example connected rotates) in special external action situation is not enough to stop completely this connection of not tightening to unclamp.The present invention remedies this shortcoming.
Summary of the invention
Task of the present invention thereby be, realize a kind of binding post of cage terminal form, it has avoided the shortcoming of known binding post, and its feature is especially simplified construction, simple and easy installation, a small amount of parts and is connected reliably.
This task solves by the whole characteristics of claim 1.Major part of the present invention is, a kind of cage terminal has U-shaped cage, described cage comprises the first and second supporting legs and the contact pin that connects these two supporting legs in a side, wherein, described supporting leg has respectively the supporting leg window being in alignment with each other, described contact pin has screwed hole for receiving bolt, with this, can clamp reliably the conductor that at least one inserts by two supporting leg windows, compare with aforementioned prior art, described clamping area or a plurality of clamping area between cage terminal and a conductor or a plurality of conductor are much smaller.
A preferable configuration mode of cage terminal of the present invention is characterised in that, the described contact pin that connects described two supporting legs is curved.
This arched geometry of contact pin special rigidity when twisting connecting terminal is not crooked in other words.
A preferable configuration mode according to the present invention, one of them described supporting leg window has substantially rectangular supporting leg mount structure, wherein, the first shorter frame is partly positioned in a side of described contact pin, and the second shorter frame is partly arranged in a side of leg ends, and these two shorter frame parts partly connect by means of two longer frames; These two longer frame parts are substantially rectangular with respect to the first shorter frame part towards contact pin, and these two longer frame parts partly tilt towards the second shorter frame; Advantageously, described longer frame part tilts with described bolt shaft symmetrically towards the second shorter frame part.
These two longer frame parts should be extended with at least 15 ° of angles and maximum 60 ° of angles towards the rake of the second shorter frame part, particularly from virtual line to corresponding leg ends at the extension of corresponding longer frame part, observe; Particularly preferably, the angle ranging from 30 °.
Another favorable structure mode of the present invention stipulates, the material thickness of described U-shaped cage is less than two supporting legs distance to each other.In this case, the placement of conductor on the clamping area of cage is by the seamed edge effects of supporting leg, and especially with respect to the second shorter frame part, this makes conductor anti-rotation especially reliably under the state of tightening with respect to cage terminal.
Particularly cage terminal of the present invention is characterised in that, utilize the cage terminal of standard form of terminal predetermined, fixed standard size reliably to twist to connect cable cross-section at the cable of 2 to 50 square millimeters, and without the terminal sizes of bearing as this geometrical variations.
Another make according to the present invention, the conductor inserting in two supporting leg windows is cable, between this external described cable and described bolt end, bus-bar is set, described bus-bar is realized and being electrically connected to by means of described cable when the cage terminal of tightening.
Another make according to the present invention, described the first shorter frame partly has the first breach and distributes for improvement power; With same background, described cage can have in side the second breach in described contact pin, and/or described longer frame partly has the 3rd breach, and described the 3rd breach has been simplified the insertion of described conductor.
Accompanying drawing explanation
Following basis embodiment by reference to the accompanying drawings further sets forth the present invention.In accompanying drawing:
Fig. 1 goes out to have the cage terminal of the present invention of bolt with three-dimensional icon;
Fig. 2 illustrates the cage terminal of U-shaped profile with end view;
Fig. 3 goes out to have the cable (having stranded single line) that inserted and the cage terminal of bus-bar with three-dimensional icon;
Fig. 4 illustrates the cage terminal of overlooking towards supporting leg window with opposite side view, this supporting leg window has twists the cable connecing and twists the bus collection line connecing;
Fig. 5 illustrates an execution mode of cage terminal of the present invention with stereogram, described cage terminal has for the breach of improvement power distribution and for simplifying other breach that insert the cable that cross section is larger; And
Fig. 6 with end view illustrate have towards supporting leg window, overlook according to the cage terminal of Fig. 5, this supporting leg window has twists the cable connect and twists the bus collection line connecing.
Embodiment
Fig. 1 illustrates cage terminal 10 of the present invention with stereogram, and it has bolt 27 and cage 23.Cage 23 takes the shape of the letter U, and comprises two supporting leg 11a, b, and these two supporting leg 11a, b connect by means of contact pin 12 in a side.Contact pin 12 has the screwed hole 26 for bolt 27, and curved, and this is the structure of special rigidity for the tightening of bolt 27.
Two supporting leg 11a, b all have supporting leg window 13a, b, and they are in alignment with each other.Supporting leg window 13a, b are limited by the supporting leg frame 15 being substantially rectangle, and this supporting leg frame 15 comprises with lower frame portion: the first shorter frame part 16 arranging towards contact pin 12; The second shorter frame part 17 with the first frame part 16 opposed (being positioned in corresponding free leg ends 18); These two shorter frame parts 16,17 are connected to each other by two long frame part 19a, b.Long frame part 19a, b have respectively oblique portion 33 towards leg ends 18.
As below, by as described in other accompanying drawings, inner surface, clamping area 25 and the seamed edge 28 of supporting leg frame 15 is shown, yet they make the unshowned electric conductor herein inserting by supporting leg window 13a, b obtain substantially fixing maintenance.
Fig. 2 illustrates the end view of cage terminal 10, wherein, U-shaped cage 23 is obviously shown and has its curved tabs 12 and supporting leg 11a, b.In this view, the bolt end 24 of bolt 27 is visible equally.Be stressed that, the material thickness 21 of cage 23 is less than the spacing 22 of adjacent legs 11a, b.This dimension scale between material thickness 21 and supporting leg 11a, b spacing is important for guaranteeing that cage terminal 10 of the present invention has reliable function.
Shown in the stereogram of Fig. 3, inserting two electric conductor 14a, the b of supporting leg window 13a, b, namely cable 14a and bus collection line 14b, bus collection line 14b is arranged on cable 14a and herein between sightless bolt end (24, referring to Fig. 2).The effect of the second equally, shorter frame part 17 in conjunction with oblique portion 33, its seamed edge 28 cage terminal twisted connect under state with respect to shown in the prior art clamping effect that obviously can be improved.
At conductor 14a, the b that shown in the opposite side view of the cage terminal of Fig. 4, the bolt end 24 by bolt 27 is fixed to one another, wherein, cable 14a inserts bathtub construction, and this structure consists of the adjacent oblique portion 33 of the second shorter frame part 17 and longer frame part 19a, b.Tiltedly portion 33 has an angle [alpha] with respect to straight line 29, wherein, this straight line 29 be the frame part 19a, the b that grow towards the virtual extension of corresponding leg ends freely 18, tiltedly portion 33 is arranged on two longer frame part 19a, b in the axisymmetric mode of the axis of symmetry 20 about bolt 27 in addition.This angle [alpha] should be between 15 ° to 60 °, and according to the present invention, cage terminal shows that particularly preferred twisting connects characteristic (the more reliable characteristic of what is called), when this angle [alpha] is 30 °.
Above Fig. 5 illustrates with Fig. 6 with the mode of texturing of the described cage terminal 10 showing together with Fig. 1 to Fig. 4.The breach 30,31 and 32 at this cage 23 with function optimization.
Breach 30 and 31 is arranged in contact pin 12, when tighting a bolt, the power that these breach 30 and 31 have improved within cage 23 27 time is distributed (not shown) herein, particularly, semicircle breach 30 is arranged on the Liang Ge corner between the first shorter frame part 16 and adjacent longer frame part 19a, b for this reason.Have same effect, two free seamed edges of contact pin 12 have breach 31.
Other breach 32 are arranged on the inner side of longer frame 1 part 9a, b; It makes the cable 14a with larger cross section be easier to insert supporting leg window 13a, b, and wherein, these breach 32 also provide the extension of the corresponding geometry of supporting leg width of frame.
Generally speaking, the invention provides the easy-to-install binding post of a kind of simple structure, it forms with parts seldom, can twist and connect especially reliably.
Reference numerals list
The cage terminal of 10 strap bolts
11a, b supporting leg
12 contact pin
13a, b supporting leg window
14a conductor, cable
14b conductor, bus collection line
15 supporting leg frames
Near the first shorter frame part 16 contact pin
Near the second shorter frame part 17 leg ends
18 leg ends freely
The frame part that 19a, b are longer
The axis of symmetry of 20 bolts
The material thickness of 21U shape profile
Distance between 22 adjacent legs 11a, b
23 cages
24 bolt ends
25 clamping areas
26 screwed holes
27 bolts
28 seamed edges
29 straight lines
Breach on 3016
The first breach in 30 (the first shorter frame parts) 16
The second breach in 31 (contact pin) 12
The 3rd breach on 32 (longer frame part) 19a, b
The angle of the oblique portion of α

Claims (8)

1. the cage terminal with U-shaped cage (23), described cage comprises the first and second supporting legs (11a, 11b) and the contact pin (12) that connects these two supporting legs (11a, 11b) in a side, wherein, described supporting leg (11a, 11b) has respectively the supporting leg window (13a, 13b) being in alignment with each other, described contact pin (12) has screwed hole (26) for receiving bolt (27), with this, can clamp reliably the conductor (14a, 14b) that at least one inserts by two supporting leg windows (13a, 13b)
One of them described supporting leg window (13a, 13b) there is substantially rectangular supporting leg window frame (15), wherein, the first shorter frame part (16) is positioned in a side of described contact pin (12), and the second shorter frame part (17) is arranged in a side of leg ends (18), and these two shorter frame parts (16, 17) by means of two longer frame part (19a, 19b) connect, and these two longer frame part (19a, 19b) substantially rectangular with respect to the first shorter frame part (16) towards contact pin (12), it is characterized in that, and these two longer frame part (19a, 19b) at supporting leg window (13a, 13b), towards the second shorter frame part (17), there is oblique portion (33),
The material thickness (21) of described U-shaped cage (23) is less than two supporting legs (11a, 11b) distance (22) to each other and is used for utilizing the seamed edge effect between oblique portion (33) and the conductor in the stage of tightening (14a).
2. cage terminal according to claim 1, is characterized in that, the described contact pin (12) that connects described two supporting legs (11a, 11b) is curved.
3. cage terminal according to claim 1 and 2, is characterized in that, described longer frame part (19a, 19b) tilts towards the second shorter frame part (17) axisymmetrically about the axis of symmetry (20) of described bolt (27).
4. cage terminal according to claim 3, it is characterized in that, these two longer frame parts (19a, 19b) tilt with the angle (α) of at least 15 ° and the angle (α) of maximum 60 ° towards the second shorter frame part (17), particularly described angle is the angle between corresponding oblique portion (33) and virtual line (29), and described straight line is regarded as the extension of corresponding longer frame part (19a, 19b) towards respective leg end (18).
5. cage terminal according to claim 4, is characterized in that, described angle (α) is 30 °.
6. cage terminal according to claim 1, it is characterized in that, the conductor (14a, 14b) that inserts two supporting leg windows (13a, 13b) is cable (14a), between described cable (14a) and described bolt end (24), bus collection line (14b) is set, described bus collection line is electrically connected to described cable (14a) twisting while connecing cage terminal.
7. cage terminal according to claim 6, is characterized in that, described cable (14a) is twisted under the state connecing and realized reliably and connecting at cage terminal by means of the seamed edge (28) of described supporting leg window (13a, 13b).
8. cage terminal according to claim 1, it is characterized in that, described the first shorter frame part (16) has the first breach (30) and distributes for improvement power, and/or described cage (23) has the second breach (31) and distributes for improvement power in described contact pin (12) in side, and/or described longer frame part (19a, 19b) has the 3rd breach (32), described the 3rd breach has been simplified the insertion of described conductor (14a, 14b).
CN200980153565.0A 2008-12-30 2009-12-22 Cage cable clamp Active CN102356516B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08022527.9 2008-12-30
EP08022527A EP2204884B1 (en) 2008-12-30 2008-12-30 Cage screw connector
PCT/EP2009/009230 WO2010075996A1 (en) 2008-12-30 2009-12-22 Cage terminal

Publications (2)

Publication Number Publication Date
CN102356516A CN102356516A (en) 2012-02-15
CN102356516B true CN102356516B (en) 2014-03-26

Family

ID=40736005

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980153565.0A Active CN102356516B (en) 2008-12-30 2009-12-22 Cage cable clamp

Country Status (12)

Country Link
EP (1) EP2204884B1 (en)
CN (1) CN102356516B (en)
AT (1) ATE549769T1 (en)
DK (1) DK2204884T3 (en)
ES (1) ES2384281T3 (en)
HR (1) HRP20120497T1 (en)
PL (1) PL2204884T3 (en)
PT (1) PT2204884E (en)
RU (1) RU2480873C2 (en)
SG (1) SG172814A1 (en)
SI (1) SI2204884T1 (en)
WO (1) WO2010075996A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108092011B (en) * 2017-12-12 2023-06-09 无锡优耐特能源科技有限公司 U-shaped fixing piece for copper bar lap joint

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457021A1 (en) * 1979-05-17 1980-12-12 Licentia Gmbh Trapped cage wire termination or connector - is single folded and pressed out metal strip
EP0059939A1 (en) * 1981-03-10 1982-09-15 BROWN, BOVERI & CIE Aktiengesellschaft Terminal for the connection of electrical conductors
DE19716762A1 (en) * 1997-04-12 1998-10-15 Wago Verwaltungs Gmbh Clamp for contact with cable screening
CN2847568Y (en) * 2005-10-28 2006-12-13 惠州爱帝威电工科技有限公司 Connecting terminal
CN201018012Y (en) * 2007-02-01 2008-02-06 吴智远 Conductor terminal base

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125398A (en) * 1964-03-17 Electrical connector for neutral bars
DE333710C (en) * 1921-03-03 Paul Druseidt Clamp
FR2535534A1 (en) 1982-10-27 1984-05-04 Merlin Gerin Connection device, using mechanical clamping, for a cable or for a bar for connection to a contact area of an electrical apparatus.
DE3811023A1 (en) 1988-03-31 1989-10-19 Asea Brown Boveri SCREW TERMINAL
FR2686194B1 (en) 1992-01-13 1994-03-18 Merlin Gerin MULTIPLE CONNECTION TERMINAL FOR MODULAR ELECTRICAL EQUIPMENT.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457021A1 (en) * 1979-05-17 1980-12-12 Licentia Gmbh Trapped cage wire termination or connector - is single folded and pressed out metal strip
EP0059939A1 (en) * 1981-03-10 1982-09-15 BROWN, BOVERI & CIE Aktiengesellschaft Terminal for the connection of electrical conductors
DE19716762A1 (en) * 1997-04-12 1998-10-15 Wago Verwaltungs Gmbh Clamp for contact with cable screening
CN2847568Y (en) * 2005-10-28 2006-12-13 惠州爱帝威电工科技有限公司 Connecting terminal
CN201018012Y (en) * 2007-02-01 2008-02-06 吴智远 Conductor terminal base

Also Published As

Publication number Publication date
HRP20120497T1 (en) 2012-07-31
ATE549769T1 (en) 2012-03-15
DK2204884T3 (en) 2012-07-02
RU2480873C2 (en) 2013-04-27
PT2204884E (en) 2012-06-21
SI2204884T1 (en) 2012-07-31
EP2204884B1 (en) 2012-03-14
SG172814A1 (en) 2011-08-29
ES2384281T3 (en) 2012-07-03
CN102356516A (en) 2012-02-15
EP2204884A1 (en) 2010-07-07
PL2204884T3 (en) 2012-08-31
WO2010075996A1 (en) 2010-07-08
RU2011132145A (en) 2013-02-10

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