WO2023036483A1 - Klemmkörper und verbindungsklemme für einen elektrischen leiter - Google Patents
Klemmkörper und verbindungsklemme für einen elektrischen leiter Download PDFInfo
- Publication number
- WO2023036483A1 WO2023036483A1 PCT/EP2022/067637 EP2022067637W WO2023036483A1 WO 2023036483 A1 WO2023036483 A1 WO 2023036483A1 EP 2022067637 W EP2022067637 W EP 2022067637W WO 2023036483 A1 WO2023036483 A1 WO 2023036483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spring arm
- conductor
- plug
- section
- clamping body
- Prior art date
Links
- 239000004020 conductor Substances 0.000 title claims description 46
- 238000005452 bending Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009413 insulation 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
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
Definitions
- the invention relates to a clamping body with an opening for an insertion part, which is formed from a one-piece stamped sheet metal part by bending processes.
- the invention relates to a connecting clamp for an electrical conductor as a plug-in part having the clamp body mentioned above.
- the field of the invention relates to the use of clamps for electrically contacting conductors with the clamp, it being advantageous if the conductor is detachably connected to the clamp.
- US Pat. No. 6,428,343 B1 shows a connection terminal with spring arms, in which a tool must also be used to release a conductor.
- the object of the invention to provide a clamp body or. to provide a connection terminal in which a tool-free detachment of the conductor from the connection terminal is made possible and a secure hold is provided when the conductor is plugged in.
- the object is achieved in that the stamped sheet metal part has a central section on which a spring arm section on a first side and a pressing on a second side surface section and starting from the middle section the spring arm section is designed as a first spring arm and as a second spring arm, the spring arms are arranged in a V-shape on the middle section and each spring arm has a first part and a subsequent second part with a free end , the respective first part is bent up almost vertically and the respective subsequent second part is again bent downwards in such a way that the respective free end faces the pressing surface section, which is also bent up almost vertically from the middle section, with the respective after Second
- the clamping body preferably consists of a resilient metal sheet with a low electrical resistance. This sheet is cut or punched out and bent so that a funnel-shaped structure is created, into which either a rigid conductor or a flexible conductor with a wire sleeve can be inserted.
- the conductor can, for example, be inserted into the funnel in an axial direction, where it is pressed against a pressing surface by two spring elements in this embodiment.
- This spring force creates an electrical contact between the conductor and the clamp body or the contact surface made .
- sharp-edged ends of the free ends of the respective second parts of the spring arms dig into a surface of the conductor and thereby prevent the conductor from falling out of the clamping body.
- the guide surfaces serve to ensure that the plug-in part lies parallel to the guide surfaces by means of a pivoting movement of the plug-in part and exerts a force opposing the spring forces, as a result of which the plug-in part can be pulled out of the opening without tools.
- the respective free ends have sharp-edged cutting edges for improved contact ability.
- the invention relates to a connecting terminal for an electrical conductor as an insertion part, having a clamping body according to one of the aforementioned claims, having an insulating chamber in which the clamping body is arranged, with a cover being arranged on the insulating chamber over the opening and the cover has a recess with a peripheral line, starting from the peripheral line, a first web tapering towards a center point of the recess and a tapering second web being arranged in a V-shape such that when the inserted conductor pivots, the first The web and the second web are spread apart by the conductor and when the conductor is no longer located between the webs, they snap back and hold the conductor in a tilted position achieved by the pivoting movement to make it easier to pull them out.
- first web and the second web virtually clasp the inserted conductor and are easily spread apart by the pivoting movement and when the conductor is passed through the webs until they snap back, a locking system is formed by the first web and the second web. The conductor can now be pulled out easily in this position.
- the drawing shows an exemplary embodiment of the invention. It shows :
- FIG. 2 shows the clamping body from FIG. 1 in a side view
- FIG. 4 shows a connecting terminal with an insulation chamber and a cover and inserted plug-in part in the form of a wire sleeve
- FIG. 5 shows the cover from FIG. 4 in a detailed illustration to illustrate an opening in the cover, which helps a user to handle the clamp correctly
- FIG. 6 shows the terminal body with an inserted wire sleeve as a conductor
- FIG. 7 shows the clamping body as a perspective representation of a development.
- FIG. 1 shows a clamping body 3 with an opening 5 for an insertion part 6 (see FIG. 6).
- the clamping body 3 is formed from a one-piece stamped sheet metal part 4 by bending processes. To explain the bending processes in order to achieve the end result of the clamping body 3, FIG 7 used .
- FIG. 7 shows the development of the clamping body 3 in a perspective view.
- FIG. 7 is considered first for a more detailed explanation of the formation of the clamping body 3 as a result of the bending processes.
- 7 shows a stamped sheet metal part 4 which has a central section 10 on which a spring section 13 is arranged on a first side 11 and a pressing surface section 14 is arranged on a second side 12 .
- the spring arm section 13 is divided into a first part 13a and a second part 13b with a free end 15 .
- the spring arm section 13 is configured as a first spring arm 21 and a second spring arm 22, which are arranged in a v-shape on the middle section 10 and each spring arm 21, 22 is divided into a first part 13a and a subsequent second part 13b with j each has a free end 15 divided.
- a pressing surface section 14 is arranged on the second side 12 of the middle section 10 .
- a first bending line 41', a second bending line 42', a third bending line 43' are provided in the stamped sheet metal part 4, according to FIG. and a fourth bending line 44 ′.
- the clamping body 3 is formed in that the first part 13a is bent up almost vertically and the subsequent second part 13b is bent down again in such a way that the free end 15 is opposite the pressing surface section 14, which is also bent up almost vertically by the central section 10.
- the middle section 10 is arranged opposite the opening 5 .
- the downwardly bent second part 13 b provides a guide surface 16 in the opening 5 for the plug-in part 6 to be inserted in a plug-in direction 7 .
- an embodiment with a first spring arm 21 and a second spring arm 22 is shown.
- the clamping body according to the invention can also be realized by just one spring arm 21, 22, which is not described here in the exemplary embodiment by a drawing, but is definitely disclosed on the basis of the explanation and claim 1.
- the downwardly bent second part 13b of a spring arm forms a guide surface for the plug-in part 6 to be inserted, with the first part 13a having a spring force F in direction of the pressing surface section 14, as a result of which an insertion part 6 inserted via the guide surface 16 is fixed and the guide surface also serves to ensure that the insertion part 6 is moved parallel to the guide surface 16 by means of a pivoting movement 17 (see FIG. 4 and FIG. 6) of the insertion part 6.
- the conductor 2 can now be moved out of the clamping area of the clamping body 3 by a simple pivoting movement and can be pulled out of the terminal housing without resistance.
- the clamp body 3 is designed with a first spring arm 21 and a second spring arm 22 which are arranged in a V-shape on the middle section 10 at an angular distance of approximately 120°.
- the first part 13a is bent up almost vertically and the respective adjoining second part 13b is bent down again in such a way that the respective free end 15 is opposite the pressing surface section 14, which is also bent up almost vertically by the central section 10.
- the respective downwardly bent second parts 13b in the opening 5 form the first and the second guide surface 16a, 16b for the plug-in part 6 to be inserted.
- the respective first part 13a of the respective first spring arm 21 or of the second spring arm 22 in each case exerts a spring force F1 in the direction of the pressing surface section 14 .
- the guide surfaces 16a, 16b serve to ensure that the plug-in part 6 lies parallel to the guide surfaces 16a, 16b by means of a pivoting movement 17 of the plug-in part 6, and that a force FG opposing the spring forces Fl is exerted by the pivoting movement each of the first parts 13a of the first spring arm 21 or of the second spring arm 22, as a result of which the plug-in part can be pulled out of the opening 5 without tools.
- FIG. 2 shows the clamping body 3 from FIG. 1 in a side view in three-dimensional perspective.
- a dashed-dot auxiliary line drawn in is intended to prevent the spring arm sections 13 and 13 from bending up almost vertically. of the first spring arm 21 and the second spring arm 22 illustrate.
- the spring arm section 13 arranged on the middle section 10 is bent up almost vertically at the first bending line 41' (see FIG. 7), the almost vertical bending up definitely including an overbending over an angle of 90°.
- the second part 13b adjoining the first part 13a is in turn bent downwards at the second bending line 42' (see FIG. 7) in such a way that the free end 15 the pressing surface section 14 , which is also bent up almost vertically from the middle section 10 .
- FIG. 3 shows a plan view of the clamping body 3.
- FIG. 3 shows the pressing surface section 14 again, which is divided into a first pressing surface section 14a and a second pressing surface section 14b.
- the first pressing surface section 14a is additionally bent at its ends into a trough shape in such a way that a conductor 2 inserted later cannot slip laterally.
- the second pressing surface section 14b is bent in the opposite direction to a trough in order to ensure additional stability, in particular with regard to an insulating chamber 30 around the clamping body 3 that is used later.
- FIG. 3 also shows a design variant of the clamping body 3, which refers to the fact that the second part 13b of the first spring arm 21 is designed to be shorter than the second part of the second spring arm 22 and as a result the respective free ends 15 also Central section 10 is positioned almost vertically opposite the pressing surface section 14 that is bent up almost vertically at different points S 1 , S 2 .
- the second part 13b of the first spring arm 21 is accordingly at a first point S 1 and the second part 13b of the second spring arm 22 is at a second point S2.
- the first point S 1 is arranged higher in relation to the conductor 2 to be clamped than the second point S 2 .
- the FIG 4 shows a connecting terminal 1 for an electrical conductor 2 or. an insert 6 .
- the connection clamp 1 has a clamp body 3 according to FIGS.
- the clamp body 3 is surrounded by an I solierhunt 30, wherein the opening 5 of the clamp body 3, a lid 31 on the ⁇ f Isolating chamber 30 is arranged and the cover 31 has a recess 32 with a peripheral line 35 (see FIG. 5).
- the cover 31 with its incorporated recess 32 in the form of a slotted guide serves to ensure that during a pivoting movement 17 of the plug-in part 6, once the spring forces Fl have been overcome by the counterforce FG of the plug-in part 6, the plug-in part 6 is held by a first web 33 and a second Web 34 slides through and is then held by the webs 33 and 34 in the inclined position 37 .
- FIG. 5 is intended once again to clarify the pivoting process described with FIG.
- the cover 31 is shown with the recess 32 which has the peripheral line 35 .
- a first tapered web 33 and a tapered second web 34 are arranged in a V-shape in the direction of a center point 36 of the recess 32 such that when there is a pivoting movement 17 of the inserted conductor 2, the first web 33 and the second
- the web 34 can be spread apart by the conductor 2 and when the conductor 2 is no longer located between the webs 33 , 34 , these snap back and hold the conductor 2 in an inclined position 37 achieved by the pivoting movement so that it can be pulled out more easily.
- a blocking system is formed for the conductor 2 , once it has been moved through the two webs 33 , 34 it can no longer go back.
- FIG. 6 once again illustrates the conductor 2 inserted in the clamping body 3, which exerts a force through a pivoting movement 17 on the respective second parts 13b of the respective spring arms 21, 22 and thus enables later pulling out.
- a pivot point of the conductor 2 is therefore located at the lower end of the first pressing surface section 14a.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280061224.6A CN117957720A (zh) | 2021-09-09 | 2022-06-28 | 用于电导体的夹紧体和连接端子 |
EP22741697.1A EP4371189A1 (de) | 2021-09-09 | 2022-06-28 | Klemmkörper und verbindungsklemme für einen elektrischen leiter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21195746.9A EP4148912A1 (de) | 2021-09-09 | 2021-09-09 | Klemmkörper und verbindungsklemme für einen elektrischen leiter |
EP21195746.9 | 2021-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023036483A1 true WO2023036483A1 (de) | 2023-03-16 |
Family
ID=77710515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/067637 WO2023036483A1 (de) | 2021-09-09 | 2022-06-28 | Klemmkörper und verbindungsklemme für einen elektrischen leiter |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP4148912A1 (de) |
CN (1) | CN117957720A (de) |
WO (1) | WO2023036483A1 (de) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2900673A1 (de) | 1979-01-10 | 1980-07-17 | Grote & Hartmann | Werkzeugloses verbindersystem |
DE29914482U1 (de) * | 1999-08-23 | 2001-01-11 | Weidmueller Interface | Geräteanschlußklemme |
US6428343B1 (en) | 2001-03-16 | 2002-08-06 | Tyco Electronics Corporation | Electrical connector for power conductors |
US20110207372A1 (en) | 2010-02-22 | 2011-08-25 | Ideal Industries, Inc. | Electrical Connector With Push-In Termination |
EP3118938A2 (de) | 2015-07-17 | 2017-01-18 | Wago Verwaltungsgesellschaft mbH | Steckverbinder |
US9735515B2 (en) | 2015-02-17 | 2017-08-15 | Switchlab Inc. | Elastic-clip junction box structure |
CN110492256A (zh) * | 2018-03-12 | 2019-11-22 | 刘林周 | 一种灯座插芯 |
-
2021
- 2021-09-09 EP EP21195746.9A patent/EP4148912A1/de not_active Withdrawn
-
2022
- 2022-06-28 CN CN202280061224.6A patent/CN117957720A/zh active Pending
- 2022-06-28 WO PCT/EP2022/067637 patent/WO2023036483A1/de active Application Filing
- 2022-06-28 EP EP22741697.1A patent/EP4371189A1/de active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2900673A1 (de) | 1979-01-10 | 1980-07-17 | Grote & Hartmann | Werkzeugloses verbindersystem |
DE29914482U1 (de) * | 1999-08-23 | 2001-01-11 | Weidmueller Interface | Geräteanschlußklemme |
US6428343B1 (en) | 2001-03-16 | 2002-08-06 | Tyco Electronics Corporation | Electrical connector for power conductors |
US20110207372A1 (en) | 2010-02-22 | 2011-08-25 | Ideal Industries, Inc. | Electrical Connector With Push-In Termination |
US9735515B2 (en) | 2015-02-17 | 2017-08-15 | Switchlab Inc. | Elastic-clip junction box structure |
EP3118938A2 (de) | 2015-07-17 | 2017-01-18 | Wago Verwaltungsgesellschaft mbH | Steckverbinder |
CN110492256A (zh) * | 2018-03-12 | 2019-11-22 | 刘林周 | 一种灯座插芯 |
Also Published As
Publication number | Publication date |
---|---|
CN117957720A (zh) | 2024-04-30 |
EP4371189A1 (de) | 2024-05-22 |
EP4148912A1 (de) | 2023-03-15 |
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