EP0853353A2 - Utité de ressort de contact realisant une fonction de commutation - Google Patents

Utité de ressort de contact realisant une fonction de commutation Download PDF

Info

Publication number: EP0853353A2
Authority: EP; European Patent Office
Prior art keywords: contact; spring unit; frame; contact spring; unit according
Prior art date: 1997-01-11
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

Application number

EP98100094A

Other languages

German (de)

English (en)

Other versions

EP0853353B1 (fr

EP0853353A3 (fr

Inventor

Hans Peter Kunz

Stefan Markfort

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.)

Eaton Controls GmbH and Co KG

Original Assignee

Eaton Controls 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.)

1997-01-11

Filing date

1998-01-07

Publication date

1998-07-15

1998-01-07 Application filed by Eaton Controls GmbH and Co KG filed Critical Eaton Controls GmbH and Co KG

1998-07-15 Publication of EP0853353A2 publication Critical patent/EP0853353A2/fr

1998-12-02 Publication of EP0853353A3 publication Critical patent/EP0853353A3/fr

2000-04-26 Application granted granted Critical

2000-04-26 Publication of EP0853353B1 publication Critical patent/EP0853353B1/fr

2018-01-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
- H01H1/28—Assembly of three or more contact-supporting spring blades
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation

Definitions

the invention relates to a contact spring unit for electrical Switching functions with a metallic contact board, which a base part with at least one piece with this trained contact arm, and an electrical non-conductive frame part in which the base part of the contact board is firmly accepted.
Such one Switch contact element essentially consists of a contact board, whose base part is overmolded with plastic is. Corresponding openings in the base part of the Allow contact board and in the surrounding frame part an attachment of the switch contact element on a any component. At the base part of the contact board are a or several contact arms projecting therefrom provided with the base part of the contact board are integrally formed. The contact arms thus protrude freely and unprotected from the base part the contact board.
switch contact elements get in as bulk material a container, the contact arms of the many mixed up hook the lying switch contact elements together. This causes the contact arms to bend, causing these usually have to be reworked manually or are unusable.
the contact arms are divided into pairs of tongues, which are separated by a gap, so that the danger of Hooking and bending of the contact tongues or contact arms is still enlarged. This makes even more switching contact elements unusable for further assembly.
the contact tongues or contact arms are in front subjecting their assembly or overmolding to a bending process, for a good contact surface with the corresponding counter element to provide. These bends too on the contact tongues or contact arms contribute significantly to this in that the switch contact elements hook together or are no longer usable.
the object is achieved in that at least one of the long sides and the front end of the contact arm of at least one integrally formed with the frame part Frame leg is surrounded, with the front end the contact arm is releasably lockable in the frame leg.
each contact arm is at least along one of its long sides and its front end through the Frame leg in connection with the associated frame part protected, which prevents the contact arm from contacting the contact arms of other contact spring units lying loose in a container can engage.
a variety of contact spring units can be used as Bulk goods are handled, the contact arms up to their Remain protected so that they can function as Contact spring or loop spring can meet. Because the contact spring units can no longer hook up with each other, these are used fully automatically during assembly.
the contact board can be a Plurality, for example 2, 3, 4, 5, etc., of trained Have contact arms, all through the on the frame part trained frame legs are protected. Furthermore can also have multiple contact boards in a single frame part be accommodated to realize multiple circuits to be able to and to achieve schematic advantages.
the front end of the Contact arm locking portion of the frame leg with a groove receiving the front end of the contact arm.
This groove has an extremely shallow depth, so that just received the front end of the contact arm in it becomes. So it is when the contact arm is required for assembly becomes, very simply, this by exercising a light Release pressure from the groove and its locking in the frame leg repeal. Nevertheless, the groove ensures that the respective contact arm in the bearing state of the contact spring unit as bulk goods not automatically from the lock solves.
the respective long side of the contact arm by forming a Gap surrounded by the frame leg.
the front end of the contact arm Before assembling the contact spring unit, the front end of the contact arm by bending the contact arm out of engagement brought with the frame leg. By attaching a bend in the contact arm inevitably frees it Length (cantilever) is reduced, creating the front end of the contact arm slides out of the groove and thus between the front End of the contact arm and the corresponding frame leg a free gap is formed. In this state the Contact arm from the plane of the area surrounding it Frame legs are bent out. So there is the Contact spring unit in the state in which it is connected to a corresponding Component can be mounted.
This ensures protection of the contact arm on both its long sides at its front end as well.
Another one Embodiment of the invention is that formed on the frame part Frame legs are L-shaped.
formed on the frame part Frame legs can also be T-shaped. This T-shaped frame legs are therefore between two adjacent contact arms of a contact pair of a contact board. This also only makes one long side the contact arm as well as its front end.
the T-shaped frame leg essentially corresponds just a symmetrical arrangement of two L-shaped ones Frame legs. In all of these embodiments of the invention can of course also several contact arms be arranged in the region of a frame leg.
the frame part and the at least one Frame legs made of plastic attached to the base part or around injected the at least one contact arm of the contact board are.
the frame part together with the frame leg be injected onto the contact board, causing sudden the respective contact arms of the contact board are protected and the base part of the contact board is firmly surrounded.
the contact spring unit can be broken off.
the joint can be so weak be designed so that the frame leg during assembly of the Contact spring unit breaks off automatically because of its protective function with the assembly of the contact spring unit is.
the frame part or the frame leg during an assembly process and / or the later use the contact spring unit as a support or guide element be provided in a corresponding component, so that the frame leg relative to the frame part accordingly is rigid.
the frame leg thus fulfills in addition to its protective function, the function of a Installation aid during the installation of the contact spring unit and / or a guide or Laär for the actual function.
each these contact spring units can be broken off the belt or lead frame or is separable. Expediently points to this the band or lead frame separating the contact spring units Weakening joints. Through these measures, one can Range of applications automatic feeding and handling The contact spring units are made, which makes them more economical considerable for their manufacture and processing is improved.
the contact spring unit 1 has one Contact board 2 made of a metallic material.
a basic part 3 of the contact board 2 has two spaced apart Bores 4 to the contact spring unit 1 on one to fix any component, not shown.
On the base part 3 is closed by two spaced apart Contact arms 5 on, which are integrally formed with the base part 3 are.
the contact arms 5 are in their front area split, so that thereby two contact tongues 6 are formed will.
the contact board 2 is frame-like from a frame part 7 and frame legs 8, each made of plastic exist and molded in one piece on the contact board 2 are.
the frame part 7 is fixed to the base part 3 of the Contact board 2 connected, the holes 4 in the base part 3 of the contact board 2 are exposed.
the frame leg 8 which is a unit with the frame part 7 form, protrude from this and surround the contact arms 5 or the contact tongues 6 such that the front ends 9 of the Contact tongues 6 in corresponding grooves corresponding thereto 10 in the frame leg 8 opposite the frame part 7 intervene freely.
the side frame legs 8 each form a gap 11 between itself and the long sides 12 of the Contact arms 5.
the groove 10 in the corresponding frame leg 8 is designed such that the front end 9 of the Contact tongue 6 can be locked releasably. That state the contact spring unit 1 is shown in FIGS. 1 and 2.
FIG. 5 shows a contact spring unit 1 in which a Frame legs 8 T-shaped and arranged on the frame part 7 is.
a Frame legs 8 T-shaped and arranged on the frame part 7 is.
FIG. 6 An alternative embodiment is shown in FIG. 6, in which the Contact spring unit 1 has only one contact arm 5. This is already provided with a bend 16, so that the front end out of engagement with the L-shaped Frame leg 8 is located.
the T-shaped frame leg 8 5 and the L-shaped frame leg 8 according to FIG. 6 can be attached to the frame part 7 in a breakable manner, with between the frame part 7 and the frame leg 8 a weakening joint 13 is formed.
FIG. 7 to 9 schematically each show a band 14, the from a variety of arranged in a row and through a weakening joint 15 separable contact spring units 1 consists.
the frame legs 8 of the contact spring units 1 as in Fig. 5, T-shaped and each surround the inner long side of two neighboring ones Contact arms of a contact board.
8 shows an embodiment 1, but with one contact board several has pairs of contact arms divided into contact tongues.
9 shows a series of contact spring units 1 according to Fig. 6, wherein the L-shaped frame leg of each contact spring unit 1 surrounds a pair of contact arms.

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Coupling Device And Connection With Printed Circuit (AREA)
Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Manufacture Of Switches (AREA)

EP98100094A 1997-01-11 1998-01-07 Utité de ressort de contact realisant une fonction de commutation Expired - Lifetime EP0853353B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19700726		1997-01-11
DE19700726A DE19700726A1 (de)	1997-01-11	1997-01-11	Kontaktfeder-Einheit für elektrische Schaltfunktionen

Publications (3)

Publication Number	Publication Date
EP0853353A2 true EP0853353A2 (fr)	1998-07-15
EP0853353A3 EP0853353A3 (fr)	1998-12-02
EP0853353B1 EP0853353B1 (fr)	2000-04-26

Family

ID=7817158

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98100094A Expired - Lifetime EP0853353B1 (fr)	1997-01-11	1998-01-07	Utité de ressort de contact realisant une fonction de commutation

Country Status (4)

Country	Link
US (1)	US5917398A (fr)
EP (1)	EP0853353B1 (fr)
DE (2)	DE19700726A1 (fr)
ES (1)	ES2146121T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP1588492S (fr) *	2017-02-13	2017-10-16
JP1588491S (fr) *	2017-02-13	2017-10-16
JP1588490S (fr) *	2017-02-13	2017-10-16
CN107470456B (zh) *	2017-09-28	2023-10-13	深圳市长盈精密技术股份有限公司	一种制造簧片料带的方法
USD933616S1 (en) *	2017-11-06	2021-10-19	Tdk Corporation	Vibration element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4006336A (en) *	1975-06-02	1977-02-01	Fred N. Schwend	Normally closed wafer thin switch
EP0346662A2 (fr) *	1988-06-13	1989-12-20	Eaton Corporation	Lame de contact pour interrupteur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2985733A (en) *	1959-02-19	1961-05-23	Bell Telephone Labor Inc	High leakage resistance electromagnetic relay
US3031550A (en) *	1959-10-28	1962-04-24	Clare & Co C P	Switching assembly
US4055888A (en) *	1976-10-04	1977-11-01	Morex, Inc.	Process for making reed switches
AU529316B2 (en) *	1978-08-29	1983-06-02	Sds Relais Ag	Electromagnetic relay
US4573030A (en) *	1983-12-29	1986-02-25	At&T Bell Laboratories	Sealed relay structure

1997
- 1997-01-11 DE DE19700726A patent/DE19700726A1/de not_active Withdrawn
1998
- 1998-01-07 ES ES98100094T patent/ES2146121T3/es not_active Expired - Lifetime
- 1998-01-07 DE DE59800133T patent/DE59800133D1/de not_active Expired - Lifetime
- 1998-01-07 EP EP98100094A patent/EP0853353B1/fr not_active Expired - Lifetime
- 1998-01-07 US US09/003,678 patent/US5917398A/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4006336A (en) *	1975-06-02	1977-02-01	Fred N. Schwend	Normally closed wafer thin switch
EP0346662A2 (fr) *	1988-06-13	1989-12-20	Eaton Corporation	Lame de contact pour interrupteur

Also Published As

Publication number	Publication date
US5917398A (en)	1999-06-29
ES2146121T3 (es)	2000-07-16
DE19700726A1 (de)	1998-07-16
DE59800133D1 (de)	2000-05-31
EP0853353B1 (fr)	2000-04-26
EP0853353A3 (fr)	1998-12-02

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