WO2015155092A1 - Ressort à branches - Google Patents

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Publication number
WO2015155092A1
WO2015155092A1 PCT/EP2015/057203 EP2015057203W WO2015155092A1 WO 2015155092 A1 WO2015155092 A1 WO 2015155092A1 EP 2015057203 W EP2015057203 W EP 2015057203W WO 2015155092 A1 WO2015155092 A1 WO 2015155092A1
Authority
WO
WIPO (PCT)
Prior art keywords
leg
spring
bend
radius
distance
Prior art date
Application number
PCT/EP2015/057203
Other languages
German (de)
English (en)
Inventor
Ralph Hoppmann
Original Assignee
Phoenix Contact Gmbh & 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 Phoenix Contact Gmbh & Co. Kg filed Critical Phoenix Contact Gmbh & Co. Kg
Priority to CN201590000423.1U priority Critical patent/CN207705401U/zh
Publication of WO2015155092A1 publication Critical patent/WO2015155092A1/fr

Links

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
    • H01R4/4819—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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring

Definitions

  • the invention relates to a leg spring for placement in a terminal. Furthermore, the invention relates to a terminal with such a leg spring.
  • Leg springs are known in various designs from the prior art. Usually one has
  • Leg spring has a first leg and a second leg
  • one of the legs can be designed as a clamping leg and the other leg as a plant leg.
  • the two thighs are usually over one
  • this spring bow can represent a weak point of the leg spring, since in an overuse of the spring bow, it can lead to breakage of the leg spring in the region of the spring bow.
  • stops can be formed in the terminal block, which restrict the movement of the legs and thus the degree of bending of the spring bow or
  • the invention is therefore based on the object, a leg spring and an electrical terminal for
  • the leg spring according to the invention comprises a first leg, a second leg and a spring arc having a radius Rl, via which the first leg and the second leg are connected to each other, wherein the first leg has a bend having a radius R2 and the second leg have a radius R3 having a bend, wherein the bend of the first leg and the bend of the second leg are formed such that upon actuation of the
  • Leg spring pushes the bend of the first leg on the bend of the second leg.
  • the leg spring is designed so that when the legs collide at their bends, the maximum of the stress load at the radius of the bend
  • Leg spring the spring force of the leg spring compared to conventional leg springs further increased.
  • the radius R2 of the bend of the first leg is equal to the radius R3 of the bend of the second leg, whereby a uniformly distributed load on the legs when colliding the bends of the legs can be achieved.
  • the radius Rl of the spring bow -S the radius R2 of the bend of the first
  • the spring bow thus preferably has a smaller radius than the bends of the legs, whereby in particular a particularly optimized stress distribution in the
  • Leg spring can be achieved as the bends Roll on each other when they work on block, ie when they collide and abut each other.
  • a ratio of 1/5 ⁇ radius Rl / radius R2 -S 1 / 1.5 and / or a ratio of 1/5 -S radius Rl / radius R3 ⁇ 1/1 , 5 is formed.
  • a distance H is preferably formed, whereby a ratio of 1/5 ⁇ radius Rl / distance H ⁇ 1/1 be formed can. If the ratio Rl / H> 1/1, the manufacture of the leg spring can be difficult.
  • a distance A2 is formed and that between the center of the bend of the first leg and a a free end of the first leg and / or that between the middle of the bend of the second leg and a free end of the second leg, a distance A3 is formed, wherein preferably a ratio of 1/2 ⁇ distance A2 / distance A3 ⁇ 1 / 0.5 is provided. If such a ratio of the distance A2 to the distance A3, so can with the
  • the spring force can be further increased, so that with larger conductor cross-sections a higher
  • Leg spring is formed symmetrically.
  • the two legs preferably have the same length and the bends have the same radii and are arranged along the length of the legs at the same height.
  • connection terminal for connecting an electrical conductor, which has a receiving chamber, one in the
  • leg spring the receiving chamber for the leg spring are particularly small in size, since a sufficiently large contact force for a very small-built leg spring
  • Clamps of conductors in particular for clamping conductors with a larger conductor cross-section, can be applied. Due to the particularly small leg spring and the thus particularly small formable receiving chamber, the entire terminal can be particularly small
  • Fig. 2 is a schematic representation of the in Fig. 1st
  • Fig. 3 is a schematic representation of the in Fig. 1st
  • Fig. 4 is a schematic representation of the in Fig. 1st
  • Fig. 5 is a schematic representation of the in Fig. 1st
  • FIG. 7 is a schematic representation of the in Fig. 4
  • Fig. 8 is a schematic representation of the leg spring shown in Fig. 5 arranged in a terminal
  • Fig. 1 shows a leg spring 100, which in a
  • Terminal 200 as shown for example in Fig. 6-8, can be arranged.
  • the leg spring 100 has a first leg 10, a second leg 11 and a spring bow 12, via which the first leg 10 with the second leg 11
  • the two legs 10, 11 are not straight, but they each have a directed in the direction of the other leg bend 13, 14.
  • Fig. 2 shows a leg spring 100 as shown in Fig. 1, but here on the leg spring 100th
  • the spring bow 12 has a radius Rl.
  • the first leg 10 has at its bend 13 a radius R2.
  • Leg 11 has at its bend 14 a radius R3.
  • the legs 10, 11 have above their bends 13, 14, d. H. in the region of the legs 10, 11 between the
  • Leg spring 100 both legs 10, 11 of the spring bow 12 to the center of the bend 13, 14 of the respective
  • the radii R2, R3 of the two bends 13, 14 are of equal size, whereas the radius Rl of the spring bow 12 is smaller than the radius R2 of the bend 13 of the first leg 10 and smaller than that Radius R3 of the bend 14 of the second leg 11.
  • a ratio of the radii of 1/5 ⁇ radius Rl / radius R2 ⁇ 1 / 1.5 and / or a ratio of 1/5 ⁇ radius Rl / radius R3 ⁇ 1 / 1.5 provided.
  • the radius Rl of the spring bow 12 is further tuned with the distance AI, preferably a
  • the radius Rl of the spring bow 12 is matched with the distance H, wherein preferably a ratio of 1/5 -S radius Rl / distance H ⁇ 1/1 is formed. Further, a ratio of 1/2 ⁇ distance A2 / distance A3 ⁇ 1 / 0.5 is preferably formed.
  • Fig. 3 shows the leg spring 100 shown in Fig. 1 and 2 in a first tensioned state, in which case the two legs 10, 11 are moved toward each other, so that the two free ends 16, 17 of the legs 10, 11 a distance LI exhibit.
  • the tensioned state shown in FIG. 1 shows the tensioned state in which case the two legs 10, 11 are moved toward each other, so that the two free ends 16, 17 of the legs 10, 11 a distance LI exhibit.
  • Leg spring 100 are the two legs 10, 11 in
  • FIGS. 6-7 show the leg spring 100 arranged in a connection terminal 200.
  • the terminal 200 has a receiving chamber 19, within which a busbar 20 and a leg spring 100 are received, wherein by means of the leg spring 100 in the
  • FIG. 6 shows the leg spring 100 within the terminal 200 in the first tensioned state shown in Fig. 3. Further, Fig. 7 shows the leg spring 100 within the terminal 200 in the second tensioned state shown in Fig. 4. And Fig. 8 shows the leg spring 100 within the terminal 200 in the third tensioned state shown in Fig. 5.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un ressort à branches (100), destiné à être disposé dans une borne de connexion (200), qui comprend une première branche (10), une seconde branche (11) et un élément incurvé élastique (12) de rayon R1 qui relie la première branche (10) et la seconde branche (11) entre elles, la première branche (10) ayant une courbure (13) de rayon R2 et la seconde branche (11) ayant une courbure (14) de rayon R3, la courbure (13) de la première branche (10) et la courbure (14) de la seconde branche (11) étant conçues de telle sorte que, lorsque le ressort à branches (100) est actionné, la courbure (13) de la première branche (10) vient en butée sur la courbure (14) de la seconde branche (11).
PCT/EP2015/057203 2014-04-08 2015-04-01 Ressort à branches WO2015155092A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201590000423.1U CN207705401U (zh) 2014-04-08 2015-04-01 直插式弹簧和具有该直插式弹簧的接线端子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014105002.9 2014-04-08
DE102014105002.9A DE102014105002A1 (de) 2014-04-08 2014-04-08 Schenkelfeder und Anschlussklemme mit einer derartigen Schenkelfeder

Publications (1)

Publication Number Publication Date
WO2015155092A1 true WO2015155092A1 (fr) 2015-10-15

Family

ID=52814098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/057203 WO2015155092A1 (fr) 2014-04-08 2015-04-01 Ressort à branches

Country Status (3)

Country Link
CN (1) CN207705401U (fr)
DE (1) DE102014105002A1 (fr)
WO (1) WO2015155092A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009158A1 (de) * 2010-02-24 2011-08-25 Phoenix Contact GmbH & Co. KG, 32825 Federkraftklemmanschluss zur elektrischen Steckkontaktierung mit einem elektrischen Leiter
EP2456011A2 (fr) * 2010-11-22 2012-05-23 Wago Verwaltungsgesellschaft mbH Composant de pince électrique
DE102011108828A1 (de) * 2011-07-29 2013-01-31 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussvorrichtung
DE102011055919A1 (de) * 2011-12-01 2013-06-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemme

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503091A1 (de) * 1975-01-25 1976-07-29 Hirschmann Radiotechnik Federklemme zum anschliessen von elektrischen leitern
FR2782848B1 (fr) * 1998-09-02 2002-02-15 Entrelec Sa Dispositif elastique permettant de realiser une connexion electrique dans une borne de raccordement
DE102009059009A1 (de) * 2009-12-17 2011-06-22 Phoenix Contact GmbH & Co. KG, 32825 Elektrische Anschlussklemme
DE102010009804A1 (de) * 2010-03-01 2011-09-01 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102010010260C9 (de) * 2010-03-03 2022-10-20 Wago Verwaltungsgesellschaft Mbh Steckverbinder
DE102011115637B4 (de) * 2011-06-21 2014-03-27 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009158A1 (de) * 2010-02-24 2011-08-25 Phoenix Contact GmbH & Co. KG, 32825 Federkraftklemmanschluss zur elektrischen Steckkontaktierung mit einem elektrischen Leiter
EP2456011A2 (fr) * 2010-11-22 2012-05-23 Wago Verwaltungsgesellschaft mbH Composant de pince électrique
DE102011108828A1 (de) * 2011-07-29 2013-01-31 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussvorrichtung
DE102011055919A1 (de) * 2011-12-01 2013-06-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemme

Also Published As

Publication number Publication date
CN207705401U (zh) 2018-08-07
DE102014105002A1 (de) 2015-10-08

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