EP3369137A1 - Device for holding and placing in electrical contact for conductors - Google Patents
Device for holding and placing in electrical contact for conductorsInfo
- Publication number
- EP3369137A1 EP3369137A1 EP15785125.4A EP15785125A EP3369137A1 EP 3369137 A1 EP3369137 A1 EP 3369137A1 EP 15785125 A EP15785125 A EP 15785125A EP 3369137 A1 EP3369137 A1 EP 3369137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding
- retaining
- electrical
- retaining element
- electrically contacting
- 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
- 239000004020 conductor Substances 0.000 title claims abstract description 82
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000035882 stress Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
-
- 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
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
-
- 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
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
- H01R9/2616—End clamping members
-
- 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
- H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring
Definitions
- the present invention relates to a holding device in position and electrical contact for at least two electrical conductors.
- a terminal block may comprise a conductive strip against which the two conductors are held in position.
- the conductors can be held in position in contact with the conductive strip by using a conductor retaining element such as a leaf spring.
- the conductors are thus arranged at a distance and each is held in position against the bar.
- each conductor can be set in and removed independently of the terminal block.
- the length of the bar in the longitudinal direction imposes the longitudinal dimension of the terminal block which can not be reduced in order to save space. Under these conditions, it appears difficult to reduce the size of such terminal blocks.
- the present invention aims to solve all or some of the disadvantages mentioned above.
- the present invention relates to a device for holding in position and making electrical contact for a connection terminal of an electrical apparatus arranged to maintain in position and to put at least two electrical conductors in electrical contact and arranged to cooperate with a insulating body and / or a connecting strip of said electrical apparatus, the device comprising:
- a first retaining element having a first cooperating portion arranged for, in a retaining position, cooperating with a first electrical conductor extending in a direction longitudinal by imposing a first transverse stress on said first electrical conductor
- a second retaining element having a second cooperation portion arranged for, in a retaining position, cooperating with a second electrical conductor extending in the longitudinal direction by imposing a second transverse stress on said second electrical conductor
- a clamping location defined at least partially in the holding position by the first cooperating portion and the second cooperating portion.
- the clamping location is intended to bring the first conductor and the second conductor into electrical contact.
- This arrangement therefore makes it possible to design a compact terminal block, two conductors that can be arranged close to each other and not to two remote locations.
- the device for holding in position and bringing it into electrical contact comprises a connecting element of the first retaining element and the second retaining element, the connecting element comprising a first cooperating flexible connection portion. with the first retaining element and / or a second flexible connecting portion cooperating with the second retaining element.
- This arrangement allows the mobility of the first retaining element and the second retaining element with respect to the connecting element.
- the first retainer and the second retainer are also independently movable.
- the first retaining element and / or the second retaining element are arranged for, in the retracted position, the insertion of the first electrical conductor and / or the second electrical conductor into the clamping location.
- the first retaining element and the second retaining element are arranged to cooperate with the connecting element so as to be subjected to a stress approaching the retaining position.
- the first retainer and the second retainer will then take the retaining position when the user will no longer impose stress.
- the connecting element comprises a first support portion and / or a second support portion, respectively adjacent to the first flexible connection portion and / or the second flexible connection portion, each support portions being arranged to cooperate with the insulating body and / or a connecting bar of the electrical apparatus.
- the support portions are arranged to cooperate with the insulating body so that a user can move a retaining member to the retracted position by imposing a constraint on this retaining member.
- the corresponding bearing portion then cooperates with the insulating body and the retaining element moves relative to the connecting element.
- the first retaining element, the first flexible connecting portion and the first bearing portion constitute a first leaf spring, and / or wherein the second retaining element, the second connecting portion flexible and the second support portion constitutes a second leaf spring.
- each retaining element corresponds to a clamping blade, each bearing portion to a support plate and each flexible connection portion to a bend.
- the holding device in position and electrical contact is thus as a double leaf spring, that is to say as a device having two independent leaf springs, said device being arranged for holding the electrical conductors.
- the connecting element comprises a central connecting portion adjoining the first bearing portion and the second bearing portion.
- the central connecting portion is thus to be considered as a part to which each leaf spring is connected.
- the central connecting portion has a bend shape.
- the central link portion is flexible.
- This arrangement provides the position holding and electrical contacting device with a certain flexibility which is advantageous for independently manipulating the first retaining element or the second retaining element.
- the first retaining element, the second retaining element and the connecting element are in one piece.
- the first connecting portion and / or the second connecting portion each have an elbow shape.
- the first bearing portion and / or the second bearing portion each have a substantially rectilinear shape.
- the first support portion and the second support portion extend divergently from the central connecting portion.
- the first retainer and the second retainer extend convergently toward the clamping location.
- the position holding and electrical contacting device is symmetrical with respect to a first plane separating the section of the retaining elements and the connecting element in two.
- the first cooperation portion and / or the second cooperation portion has a concave reception location of a portion of the corresponding electrical conductor extending in the longitudinal direction in the retaining position.
- the concave reception location thus makes it possible to center the corresponding driver.
- the goal is to conduct a driver guidance, this which allows an optimal electrical contact of the first electrical conductor and the second electrical conductor.
- the first cooperation portion and / or the second cooperation portion correspond to a projection of the corresponding retaining element, forming a transverse edge extending transversely to the longitudinal direction in the retaining position.
- the projection corresponds to a partial cut in the corresponding retaining element and an offset of said partial cut relative to the corresponding retaining element.
- This arrangement also makes it possible to obtain good cohesion between the projection and the remainder of the retaining element since the projection and the remainder of the retaining element are in one piece.
- At least one retaining element has a displacement portion arranged to cooperate with a displacement element imposing a stress in the longitudinal direction or a direction oblique with respect to the longitudinal direction, said stress imposed by the moving tool for moving said retainer member out of the clamping location.
- This arrangement thus makes it possible to connect and remove a conductor from the clamping location easily by requesting the corresponding displacement portion.
- the displacement portion of the retaining element is adjacent to the cooperation portion of said retaining element.
- the displacement portion extends transversely to the longitudinal direction.
- the device for holding in position and making electrical contact has a location for a conductive intermediate piece arranged to cooperate with the first electrical conductor and the second electrical conductor in the retaining position.
- the two conductors can thus be brought into electrical contact by indirect cooperation by arranging the conductive intermediate part between the two conductors.
- the position holding and electrical contacting device has a fixing location for the conductive intermediate piece.
- the attachment location is provided in the central connecting portion.
- the device for holding in position and putting in electrical contact comprises a conductive intermediate piece, in particular the conductive intermediate piece has two contact locations, each being arranged to be in contact with the corresponding electrical conductor, the contact locations being provided on two opposite external surfaces of the conductive intermediate piece extending in the direction of extension of the conductive intermediate piece.
- This arrangement makes it possible to limit the thickness of the conductive intermediate piece, the thickness being to be considered transversely to the direction of extension of the conductive intermediate piece.
- the current flow section is defined according to the extension plane of the conductive intermediate piece is also advantageous. While having a small thickness, the same section of current flow flowing between the two electrical conductors can be preserved.
- two electrical conductors are brought into electrical contact via a bar having a current flow section transverse to the main direction of extension of said bar.
- reducing the thickness that is to say the dimension transverse to the direction of extension of the bar has the effect of reducing the flow section of the current.
- the position holding and electrical contacting device comprises a plurality of first retaining elements and corresponding second retaining elements.
- the present invention also relates to a position-holding and electrical contact assembly comprising a link bar and at least one device for holding in position and bringing it into electrical contact as described above, the conductive intermediate part of said device corresponding to a portion of the connecting bar or an insert on said connecting bar.
- the connecting strip is for example a connecting strip of an electrical apparatus of the terminal block type
- the connecting bar and the device are arranged to cooperate so that the connecting element of the device is fixed relative to the connecting bar.
- Figures 1 and 2 are perspective views of a holding device in position and electrical contact for two conductors.
- Figure 3 is a perspective view of said device and two conductors in a retaining position.
- Figure 4 is a perspective view of said device in the retaining position comprising a conductive intermediate piece disposed between the two conductors.
- Figures 6 to 8 are perspective views of a position holding device and electrical contacting for a plurality of pairs of conductors.
- Figure 9 is a perspective view of a holding assembly in position and electrical contacting comprising a connecting bar and a holding device in position and electrical contact.
- Figure 10 is an exploded view of the elements of Figure 9.
- Figures 1 1 to 13 are perspective and front views of a terminal block comprising a holding assembly in position and electrical contact.
- Figure 14 is a perspective view of a device for holding in position and electrical contact corresponding to the terminal block of Figures 1 1 to 13.
- Figure 15 is a perspective view of a connecting bar corresponding to the block of junction of Figures 1 1 to 13.
- Figures 16 to 21 are perspective or front views of variants of the device in the retaining position.
- the device for holding in position and bringing it into electrical contact 5 comprises a first retaining element 9a, a second retaining element 9b and a connecting element 11.
- the connecting element 1 1 comprises a first flexible portion 13a and a second flexible portion 13b, each adjoining and secured respectively to the first retaining member 9a and the second retaining member 9b.
- the transverse stress 17a, 17b is imposed by the retaining element 9a, 9b on the corresponding electrical conductor 7a, 7b.
- the first retaining element 9a has a first cooperation portion 19a with the first electrical conductor 7a, the first cooperation portion 19a having a first concave receiving location 21a extending in the longitudinal direction 15 in position. restraint.
- the second retaining member 9b includes a second cooperating portion 19b having a second concave receiving location 21b.
- Each flexible connection portion 13a, 13b is arranged to subject, in the absence of external stress, the retaining element 9a, 9b corresponding to a constraint for arranging it in the retaining position.
- a displacement of a retaining element 9a, 9b towards a retracted position can be realized to allow insertion of the corresponding electrical conductor 7a, 7b into the terminal block 2.
- the device for holding in position and bringing it into electrical contact 5 has a clamping location 23.
- the clamping location 23 is defined at least partially by the first cooperating portion 19a and the second cooperating portion 19b.
- the two electrical conductors 7a, 7b in electrical contact are included in the clamping location 23.
- the device 5 has, in the retaining position, a location 25 for a conductive intermediate piece 27 which is in contact with the first electrical conductor 7a and the second electrical conductor 7b.
- the device for holding in position and bringing it into electrical contact 5 may have an attachment location 29 for the conductive intermediate piece 27 formed in the connecting element 11.
- the conductive intermediate piece 27 can be held in position by another internal element of the terminal block 2.
- the conductive intermediate piece 27 is to be considered as included in the device for holding in position and bringing it into electrical contact 5.
- the conductive intermediate piece has a first contact location 28a and a second contact location 28b respectively arranged to be in contact with each other. with the first electrical conductor 7a and the second electrical conductor 7b.
- the contact locations 28a, 28b are formed in opposite external surfaces 30a, 30b extending in an extension direction 32 of the conductive intermediate piece 27.
- the conductive intermediate piece 27 may thus have a small thickness relative to the dimension of the opposite external surfaces 30a, 30b.
- the connecting element 11 comprises a first support portion 31a, a second support portion 31b and a central connecting portion 33 which is adjacent to the first support portion 31b. bearing portion 31a and second bearing portion 31b.
- the first retaining element 9a, the first flexible connecting portion 13a and the first bearing portion 31a constitute a first leaf spring 37a. It is the same for the second retaining element 9b, the second flexible connecting portion 13b and the second bearing portion 31b which constitute a second leaf spring 37b.
- each retaining element 9a, 9b corresponds to a clamping blade 39a, 39b, each flexible connecting portion 13a, 13b to a bend 41a, 41b and each bearing portion 31a, 31b to a plate of support 43a, 43b.
- the device for holding in position and for making electrical contact 5 is symmetrical in a first plane 45 which separates in two the section of leaf springs 37a, 37b and in a second plane 47 which defines the symmetry between the first retaining element 9a and the second retaining element 9b.
- first plane 45 which separates in two the section of leaf springs 37a, 37b and in a second plane 47 which defines the symmetry between the first retaining element 9a and the second retaining element 9b.
- the symmetry between the first retaining member 9a and the second retaining member 9b is defined with respect to a central point 47 '. This central symmetry also allows a balanced distribution of forces in the retaining position.
- FIGS. 6 to 8 show a variant according to which the device for holding in position and for making electrical contact 5 comprises several pairs of first and second retaining elements 9a, 9b arranged in an alignment direction 49.
- the central connecting portion 33 extends in the alignment direction 49 and is connected to each retaining element 9a, 9b.
- the electrical conductors 7a, 7b can be in electrical contact together as shown in FIG. 8 by arranging a common conductive intermediate piece 27 or else connected in pairs as in FIG. 7.
- the electrical apparatus 1 is a junction block 2.
- Each device for holding in position and for making electrical contact 5 allows the connection of two electrical conductors 7a, 7b to a connecting bar 51 of the terminal block 2.
- each electrical conductor 7a, 7b is independently connectable because in the holding position, each electrical conductor 7a, 7b is held in position against the connecting bar 51 by the corresponding retaining element 9a, 9b which is movable independently.
- the connecting bar 51 comprises a central portion 51a and two side portions 51b. Each lateral portion 51b is a conductive intermediate piece 27 as described above.
- Each lateral portion 51b therefore has two contact locations 28a, 28b with the corresponding electrical conductors 7a, 7b and the device 5 has an attachment location 29 which is either a rib 29a as in FIGS. 9 and 10 or a notch 29b as in FIGS. 1 to 14.
- each retaining element 9a, 9b has a projection of material or projection 53a, 53b which corresponds to the cooperation portion 19a, 19b.
- This projection 53a, 53b is transverse to the longitudinal direction 15 in the retaining position and forms a transverse edge of the retaining portion 9a, 9b.
- the projection 53a, 53b corresponds to a partial cutout 55a, 55b in the retaining element 9a, 9b and an offset of said partial cutout 55a, 55b with respect to the corresponding retaining element 9a, 9b.
- the retaining element 9a, 9b further comprises a displacement portion 57a, 57b arranged to cooperate with a displacement element 59 such as a screwdriver inserted in a channel 61a, 61b corresponding to the terminal block 2.
- a displacement element 59 such as a screwdriver inserted in a channel 61a, 61b corresponding to the terminal block 2.
- the displacement element 59 imposes on the retaining element 9a, 9b a stress in the longitudinal direction 15 or a direction oblique with respect to the longitudinal direction 15. This constraint has the effect of displacing the retainer 9a, 9b out of the clamping location 23 for insertion or removal of the corresponding conductor 7a, 7b.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2015/074851 WO2017071737A1 (en) | 2015-10-27 | 2015-10-27 | Device for holding and placing in electrical contact for conductors |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3369137A1 true EP3369137A1 (en) | 2018-09-05 |
EP3369137B1 EP3369137B1 (en) | 2022-08-03 |
Family
ID=54356337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15785125.4A Active EP3369137B1 (en) | 2015-10-27 | 2015-10-27 | Holding and electrical contact assembly for connecting a junction strip and a plurality of holding and electrical contact devices for conductors |
Country Status (4)
Country | Link |
---|---|
US (1) | US10374332B2 (en) |
EP (1) | EP3369137B1 (en) |
CN (1) | CN108475855B (en) |
WO (1) | WO2017071737A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021108627A1 (en) | 2021-04-07 | 2022-10-13 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Connection clamp for connecting at least two electrical conductors |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2580431A1 (en) * | 1985-04-16 | 1986-10-17 | Waco Verwaltungs Gmbh | TERMINAL FOR CONNECTING ELECTRICAL CONDUCTORS |
EP1675219A2 (en) * | 2004-12-27 | 2006-06-28 | Siemens Aktiengesellschaft | Connecting terminal |
DE102012109082A1 (en) * | 2012-08-21 | 2014-02-27 | Jiangmen Krealux Electrical Appliances Co., Ltd. | wire connection |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2759848C1 (en) * | 1977-08-20 | 1982-12-16 | Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg | Screwless connection terminal |
DE10232256B4 (en) * | 2002-07-17 | 2009-07-16 | Phoenix Contact Gmbh & Co. Kg | Clamping spring device for a spring-loaded terminal |
JP4289230B2 (en) * | 2004-06-25 | 2009-07-01 | パナソニック電工株式会社 | Fast connection terminal device |
DE102006005260A1 (en) | 2006-02-02 | 2007-08-16 | Phoenix Contact Gmbh & Co. Kg | Electrical connection terminal |
DE102007017593B4 (en) | 2006-04-28 | 2011-07-21 | WAGO Verwaltungsgesellschaft mbH, 32423 | Electrical connection and connection terminal |
FR2965117B1 (en) * | 2010-09-21 | 2012-09-28 | Legrand France | DEVICE FOR THE AUTOMATIC ELECTRICAL CONNECTION OF TWO ELECTRIC CONDUCTORS |
DE102011115637B4 (en) * | 2011-06-21 | 2014-03-27 | Phoenix Contact Gmbh & Co. Kg | Electrical connection terminal |
CN202259804U (en) * | 2011-09-22 | 2012-05-30 | 菲尼克斯亚太电气(南京)有限公司 | Butterfly spring connector |
-
2015
- 2015-10-27 EP EP15785125.4A patent/EP3369137B1/en active Active
- 2015-10-27 WO PCT/EP2015/074851 patent/WO2017071737A1/en active Application Filing
- 2015-10-27 CN CN201580084163.5A patent/CN108475855B/en active Active
- 2015-10-27 US US15/771,729 patent/US10374332B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2580431A1 (en) * | 1985-04-16 | 1986-10-17 | Waco Verwaltungs Gmbh | TERMINAL FOR CONNECTING ELECTRICAL CONDUCTORS |
EP1675219A2 (en) * | 2004-12-27 | 2006-06-28 | Siemens Aktiengesellschaft | Connecting terminal |
DE102012109082A1 (en) * | 2012-08-21 | 2014-02-27 | Jiangmen Krealux Electrical Appliances Co., Ltd. | wire connection |
Non-Patent Citations (1)
Title |
---|
See also references of WO2017071737A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2017071737A1 (en) | 2017-05-04 |
CN108475855B (en) | 2020-09-25 |
EP3369137B1 (en) | 2022-08-03 |
US10374332B2 (en) | 2019-08-06 |
CN108475855A (en) | 2018-08-31 |
US20180316101A1 (en) | 2018-11-01 |
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