EP0141086A1 - Borne de raccordement pour installation basse tension, en particulier pour interrupteurs - Google Patents
Borne de raccordement pour installation basse tension, en particulier pour interrupteurs Download PDFInfo
- Publication number
- EP0141086A1 EP0141086A1 EP84109585A EP84109585A EP0141086A1 EP 0141086 A1 EP0141086 A1 EP 0141086A1 EP 84109585 A EP84109585 A EP 84109585A EP 84109585 A EP84109585 A EP 84109585A EP 0141086 A1 EP0141086 A1 EP 0141086A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- plastic body
- bore
- terminal according
- conductor
- 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.)
- Granted
Links
Images
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
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
Definitions
- Strength of the nip can be seen from the outside. It can sometimes be forgotten by the operator to tighten the wiring at individual screw connections or to tighten it after transportation, for example. In any case, the processing time for the wiring and thus the wage rate factor is very long. Even with known soldering and plug connections, one has to reckon with long processing times and additional material expenditure.
- the invention relates to a connection terminal for low-voltage systems, in particular switching devices, the electrical conductor to be connected being connected to a contact connecting rail by the pressure of a spring.
- connection techniques used and known in practice one can basically differentiate between screw, solder, plug, solderless and screwless connections.
- the screw connections which are usually provided with self-lifting or self-opening terminals, bring the advantage with äich that the contact forces and the conductor pulling forces are relatively large, provided that the screws are tightened.
- the screw connections have the disadvantage that the contact quality depends on how more or less carefully the operator concerned tightens the screw of the screw connection.
- operating conditions such as vibrations, temperature changes, etc. can have a negative influence without the change in conductive metal parts can come into contact and therefore always requires insulated tools.
- the invention has for its object to provide a terminal that allows both the connection and the release of the conductor without any tools, which can also be delivered with an open terminal point, so that any single, multi or fine wire types can be connected, without splicing off individual conductors of the conductor, and which offers complete protection against contact.
- a plastic body is slidably arranged on the free end of the contact connection rail and has a transverse bore into which a sleeve which is too open after the contact connection rail is slidably inserted and which, on the one hand, is inserted into a extended recess of a bore of the contact terminal rail can be latched and on the other hand rests against a resiliently elastic part of the plastic body, and that a compression spring is provided between the connecting rail and the plastic body in the direction of displacement thereof.
- a cage clamp connection system which has the advantage that the contact quality cannot be influenced by the operator. It is also possible to connect single or multi-wire types of conductors. However, it is also disadvantageous here that the clamping point must first be opened by pressing down the cage tension spring with a screwdriver before the conductor end can be inserted. You also need a tool to loosen the conductor. The idea of delivering this cage tension spring connection system with open clamping points could not be realized in practice.
- connection terminals All of the known connection terminals explained above have in common that they do not offer any protection against contact, that is to say that the operator is always present conductive metal parts can come into contact and therefore always requires insulated tools.
- the invention has for its object to provide a terminal that allows both the connection and the release of the conductor without any tools, which can also be delivered with an open terminal point, so that any single, multi or fine wire types can be connected, without splicing off individual conductors of the conductor, and which offers complete protection against contact.
- a plastic body is slidably arranged on the free end of the contact connection rail and has a transverse bore into which a sleeve which is too open after the contact connection rail is slidably inserted and which, on the one hand, is inserted into a extended recess of a bore of the contact terminal rail can be latched and on the other hand rests against a resiliently elastic part of the plastic body, and that a compression spring is provided between the connecting rail and the plastic body in the direction of displacement thereof.
- Figures 1 and 2 show a side view and a top view of an embodiment of a known switching device 1, which is provided with four contact terminal rails 2 to 4 and 9 in this embodiment.
- This contact terminal rails are arranged in the switching device so that they are held stationary and, for example, wear fixed contact pieces at the inner end, for example with parts not shown working together as a contact system.
- two plastic bodies 10 to 17 are each arranged displaceably, the displacement path being expediently limited by stops.
- Figures 3 to 6 illustrate one of these, plastic body 17 on a greatly enlarged scale.
- the plastic body 17 has a transverse bore 18 in which a sleeve 19 which is too open after the contact connecting rail 9 is slidably inserted, which on the one hand can be snapped into an enlarged recess 21 in a bore 20 of the contact connecting rail 9 and on the other hand on a resiliently elastic part 22 of the plastic body 17 is present.
- a compression spring 23 is provided between the contact connecting rail 9 and the plastic body 17 in the direction of its displacement.
- the sleeve 19 is advantageously formed from an electrically highly conductive metal.
- the compression spring 23 is held in a bore 24 of the plastic body 17 and is supported on the one hand on the front end 25 of the bore 24 and on the other hand on an angled arm 26 of the contact connecting rail 9.
- the bore 20 of the contact connecting rail 9 has a conical widening 27 on the side remote from the sleeve 19.
- the upper part of the plastic body 17 shown in FIG. 3, that is to say the part 28 of the bore 18, which is located between the contact closing rail 9 and the insertion side of the conductor 33 is also flared to the outside to facilitate the insertion of the conductor and to prevent splicing of wires.
- the sleeve 19 is advantageously of essentially cylindrical design and, in the illustration according to FIG.
- the resiliently elastic part 22 of the plastic body 17 is designed as a wall which covers a cavity 37 on the outside, in the illustration according to FIG. 3 on the underside.
- the inner cross-sectional area of the sleeve 19 is advantageously selected to be somewhat larger than the maximum cross-sectional area of the conductor 33.
- connection terminal according to the invention is used in a switching device which has normally closed and normally open contacts, it is advantageous to provide the plastic bodies 10 to 17 with a color code, such as green or red, in order to make a distinction between the associated normally closed or To reach make contacts.
- a color code such as green or red
- the connecting terminal according to the invention can be delivered with an open terminal according to FIG. 3, either prepared in the factory on the low-voltage system in question, for example on a switching device, or as a loose connecting terminal which can subsequently be connected to the relevant contact terminal rail. 3, the upper end of the sleeve 19 is in the enlarged recess 21 of the bore 20, caused by the pressure of the resilient part 22 of the plastic body 17. In this open clamping point, the non-insulated end of the In this embodiment, insert the conductor 33 freely from above. This applies to single-wire conductors as well as multi-strand or fine-stranded conductors.
- the pressure on the conductor 33 displaces the sleeve 19 against the spring force of the resilient part 22 of the plastic body 17 so that the upper end of the sleeve 19 slides out of the enlarged recess 21.
- the compression spring 23 can come into effect and move the plastic body together with the sleeve 19 to the right in the direction of the arrow shown in FIG. 5, so that the left wall part of the sleeve 19 rests against the conductor 33 with a relatively large area.
- the sleeve 19 communicates with the upper end face in a large circumferential part with the contact connecting rail 9 in an electrically conductive manner.
- the conductor 33 is pressed against part of the wall of the bore 22 and thus clamped. The result is a good current transfer and a good tensile retention of the conductor by clamping action.
- Figure 7 illustrates another embodiment in which the same reference numerals as in Figures 3 to 6 have been used for the same or equivalent parts.
- the arrangement of the compression spring 23 with respect to the sleeve 19 is, as it were, reversed from the embodiment of FIGS. 3 to 6.
- the arrangement manner is dependent on the 'each given space conditions.
- the principle of operation is again the same, ie the conductor 33 is clamped in by the action of the compression springs 23 and the plastic body 35 is shifted to the left with the clamping point open compared to the rest position.
- the resiliently elastic part 29 of the plastic body 35 is designed as a freely projecting arm, at the end of which a spherical thickening 30 is provided on the inside lying after the sleeve 19, which in turn is in an adapted recess 31 in the bottom 32 of the sleeve 19 is present.
- the compression spring is placed in a shortened bore 36 in the plastic body, which simplifies the assembly of the compression spring 23.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Slide Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84109585T ATE26044T1 (de) | 1983-09-13 | 1984-08-11 | Anschlussklemme fuer niederspannungsanlage, insbesondere schaltgeraete. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3332914 | 1983-09-13 | ||
DE19833332914 DE3332914A1 (de) | 1983-09-13 | 1983-09-13 | Anschlussklemme fuer niederspannungsanlagen, insbesondere schaltgeraete |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0141086A1 true EP0141086A1 (fr) | 1985-05-15 |
EP0141086B1 EP0141086B1 (fr) | 1987-03-18 |
Family
ID=6208883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84109585A Expired EP0141086B1 (fr) | 1983-09-13 | 1984-08-11 | Borne de raccordement pour installation basse tension, en particulier pour interrupteurs |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0141086B1 (fr) |
AT (1) | ATE26044T1 (fr) |
DE (1) | DE3332914A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2696584A1 (fr) * | 1992-10-05 | 1994-04-08 | Merlin Gerin | Borne de raccordement pour appareillage électrique de puissance. |
CN108336521A (zh) * | 2018-04-11 | 2018-07-27 | 范长东 | 一种架空输电线应急用线夹子 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015106271A1 (de) * | 2015-04-23 | 2016-10-27 | Wago Verwaltungsgesellschaft Mbh | Klemmverbinder |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT294220B (de) * | 1969-08-21 | 1971-11-10 | Goerz Electro Gmbh | Schnellspannklemme |
CH578265A5 (fr) * | 1975-03-17 | 1976-07-30 | Woertz Fa | |
FR2425738A1 (fr) * | 1978-05-11 | 1979-12-07 | Rolhion Daniel | Dispositif de connexion electrique pour ambiance vibrante |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2279235A1 (fr) * | 1974-05-15 | 1976-02-13 | Telemecanique Electrique | Organe de raccordement de l'extremite d'un conducteur a une broche |
-
1983
- 1983-09-13 DE DE19833332914 patent/DE3332914A1/de active Granted
-
1984
- 1984-08-11 AT AT84109585T patent/ATE26044T1/de not_active IP Right Cessation
- 1984-08-11 EP EP84109585A patent/EP0141086B1/fr not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT294220B (de) * | 1969-08-21 | 1971-11-10 | Goerz Electro Gmbh | Schnellspannklemme |
CH578265A5 (fr) * | 1975-03-17 | 1976-07-30 | Woertz Fa | |
FR2425738A1 (fr) * | 1978-05-11 | 1979-12-07 | Rolhion Daniel | Dispositif de connexion electrique pour ambiance vibrante |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2696584A1 (fr) * | 1992-10-05 | 1994-04-08 | Merlin Gerin | Borne de raccordement pour appareillage électrique de puissance. |
EP0592336A1 (fr) * | 1992-10-05 | 1994-04-13 | Schneider Electric Sa | Borne de raccordement pour appareillage électrique de puissance |
CN108336521A (zh) * | 2018-04-11 | 2018-07-27 | 范长东 | 一种架空输电线应急用线夹子 |
Also Published As
Publication number | Publication date |
---|---|
ATE26044T1 (de) | 1987-04-15 |
EP0141086B1 (fr) | 1987-03-18 |
DE3332914C2 (fr) | 1987-02-26 |
DE3332914A1 (de) | 1985-04-04 |
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