CN1125502C - Connecting clamp - Google Patents
Connecting clamp Download PDFInfo
- Publication number
- CN1125502C CN1125502C CN99806869A CN99806869A CN1125502C CN 1125502 C CN1125502 C CN 1125502C CN 99806869 A CN99806869 A CN 99806869A CN 99806869 A CN99806869 A CN 99806869A CN 1125502 C CN1125502 C CN 1125502C
- Authority
- CN
- China
- Prior art keywords
- contact
- clamping element
- lead
- binding clip
- described binding
- 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.)
- Expired - Fee Related
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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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
-
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/42—Clamping area to one side of screw only
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Clamps And Clips (AREA)
Abstract
In order to clamp several conductors (18, 19) of various diameters (d1,d2) closely together in a reliable manner and to connect them using a connecting terminal (1) comprising both a clamping part (3) that is movably fixed by means of a clamping screw (4) and provided with a cutting element (12) in addition to comprising a contact part (2) that is also provided with a cutting element (16,17), at least the clamping area (8) of said contact part (2) is configured on a slant, running perpendicular to the direction (11) in which the conductors (18,19) are introduced.
Description
Technical field
The present invention relates to a kind of binding clip, be used for that some do not remove the lead of insulated hull by means of the clamping element contacting.
Background technology
By DE-AS 2229835 known these type of binding clips.It is connected electric lead by means of pinching screw with instrument.For this reason, lead inserts between the clamping element (clamp clip) and contact of binding clip, and by means of pinching screw clamping element is moved towards contact, thereby does not remove insulated hull ground contacting lead.In this process, be located on the clamping element and contact on the insulating barrier of cutting element incision lead, until with lead heart yearn contacting.Therefore, in fixing cord, realize lead and contact current lead-through by this binding clip.
Known binding clip only is given for the contacting of a lead, can use the different lead of cross section here.For this reason, clamping element promotes from contact more or less by means of pinching screw.If answer the different lead of many cross sections of contacting, then must adopt an independent binding clip to each root lead.
Though by the known a kind of separated time binding clip that is used for electric lead of GB 2217530A (DE 3,808 794 A1), wherein except that a undercut cut-clamp-lead of contacting, can also second lead of contacting.But second lead must be removed insulated hull for contacting, because its clamping and contacting carry out by means of pinching screw itself.By contrast, in a kind of binding clip known, can realize the cutting-contacting of two leads of different-diameter by WO 95/14864 A1.For this reason, a tabular clamping element is fixed on the pinching screw in such a way swingably, and promptly the opposite side at pinching screw can cut respectively-clamp-lead of contacting.In this case, the adaptive of different conductor diameter produced to tilt to realize with clamping motion by means of the clamping element that is not guided with having supporting.
Summary of the invention
The technical problem to be solved in the present invention provides the binding clip of the described type of a kind of preface, by the present invention can be in the size of binding clip as far as possible little in, clamp position two right leads of any cross section of contacting at least reliably at one.
Above-mentioned technical problem solves by a kind of like this binding clip, this binding clip is used for that some do not remove the lead of insulated hull by means of a clamping element contacting, the clamped screw of this clamping element is fixing movably, and be bearing on the lead on the contact and at the opposite side of pinching screw at a side bearing of pinching screw, wherein, clamping element and contact have some cutting elements in pinch zones, according to the present invention, direction of insertion along lead, pinching screw is positioned at after the pinch zones, and is supporting arrangement after pinching screw; And, by contact transverse to the direction of insertion of lead obliquely configuration constitute the pinch zones of a wedge shape.
In addition, preferably also clamping element is designed to appropriate smaller gradient configuration obliquely.The inclination angle of clamping element is about 25 ° in this case, and the inclination angle of contact preferably is about 30 °.Therefore can realize dual or multiple contacting, two of this moments or many parallel side by side and the lead that varying cross-section is arranged by contacting and clamping reliably simultaneously, can not occur in and clamp the position and cut off the wherein situation of a lead when closed.
The contact that is formed by the contact sheet shaping also is the contact element of switching device worthily simultaneously, wherein only is to connect or the pinch zones inclined configuration.Can only accomplish this point to the lead that removes insulated hull up to now with two cross sections for example for the lead that does not remove insulated hull of 2.5mm2 is clamped in the width of same pinch zones or buried region and contacting thus.Its result means the remarkable space of having saved.
By contact can be shaped the worthily cutting teeth that is used for contacting (and thereby be used for electric current is transferred to contact from lead) of two row's differing heights.The differing heights of cutting teeth guarantees both can be with little cross section, for example 0.5mm
2, also can be with bigger cross section, for example 2.5mm
2, contacting reliably one by one or in combination.
For reliably preventing to cut off the lead that cross section to be connected may be different, the side that contact faces pinch zones at pinching screw worthily is useful on the rib or the side-strut of clamping element.When adopting contact sheet as contact, rib or side-strut preferably from then on contact sheet be shaped out.In addition, for identical purpose, cutting teeth is designed to not have continuously to extend along the width of contact, but be interrupted.Along the direction of insertion of one or every lead,, be to stamp out lead from contact to insert the inclined-plane worthily in the front of contact cutting element.
Clamping element is by means of the be directed downwards motion of pinching screw towards contact.Therefore the lead that has inserted in the binding clip in advance is pressed in the cutting teeth, and insulating barrier is cut open and electrically contacts with contact formation in this case.For this reason, pinching screw passes a through hole in clamping element, and the diameter of through hole is chosen as, and when pinching screw tightened and unclamp, clamping element can also thereby along the lead axis direction move along the lead direction of insertion.Preferably annular projection set on the pinching screw and in the clamping element through hole area corresponding punching press projection, can when opening binding clip, promote clamping element automatically.Therefore can simply and reliably throw off contact and connect, just clamping element upwards can be removed from contact as long as correspondingly rotate pinching screw.
By special appropriate design, the cutting element of clamping element is mounted to can be around an axis swing along the extension of lead direction of insertion.The cutting element of clamping element itself also is made up of the blade of two differing heights.Therefore guarantee not only have little cross section but also the equal contacting reliably of lead that bigger cross section is arranged.In order to guarantee on the one hand lead contacting and fixing reliably reliably in binding clip in this case, and prevent wherein lead of cut-out on the other hand reliably, the blade of clamping element is arranged with respect to the cutting teeth of contact with staggering.In addition, the cutting element rotatably support of clamping element can make it special and match with the shape of contact inclined configuration rightly and match with the different-diameter of clamped lead.In addition, in the contact backstop of pinching screw, also additionally prevent to cut off any clamped lead back to the set sensing contact direction of pinch zones one side.
The advantage that adopts the present invention to obtain mainly is, in the binding clip that comprises clamping element and contact that available screw screws, constitute a kind of pinch zones of approximate wedge shape by contact, can in this zone, clamp reliably and many different-diameters of contacting lead arranged side by side mutually by means of inclined configuration.Therefore the mode with simple and saving space can realize dual or multiple contacting by single binding clip.In this case can be by a pinching screw, make cross section scope that at least two its lead hearts are designed to solid, filament or multiply silk from the electric lead of 0.5mm2 to 2.5mm2 at least, with the thickness of wire insulation and insulating material irrespectively, in the single clamping position of minimum dimension is arranged, do not go the situation lower contact of insulated hull to connect.When clamping the position closure, prevent to cut off one or every lead reliably.
Description of drawings
Further specify embodiments of the present invention by accompanying drawing below, in the accompanying drawing:
Fig. 1 is the perspective view that is used for the binding clip of multiple conducting wires at switching device contact element place;
Fig. 2 is the front view of binding clip shown in Figure 1;
Fig. 3 for cut open along line of cut III-III among Fig. 2 the sectional arrangement drawing of binding clip;
Fig. 4 is the perspective view of binding clip that has the lead of the different-diameter that two velamens sandwich; And
Fig. 5 for cut open along line of cut V-V among Fig. 4 the sectional arrangement drawing of binding clip.
In correspondence with each other parts adopt identical Reference numeral in all accompanying drawings.
Embodiment
The binding clip of representing in Fig. 1 to Fig. 31 comprises that one in form is located at the clamping element that is designed to clamp clip or top board 3 and a pinching screw 4 above it movably for the fixed contact therefor 2 of contact sheet and one.The nail bar of pinching screw 4 partly passes through hole or the port 5 in the clamping element 3, and the end of thread is spun in the screwed hole 6 of contact 2 (Fig. 3).
Clamping element 3 is designed to L shaped, and by means of it as the supporting arm 7 at pinching screw 4 in the fulcrum 9 of a side bearing on contact 2 of pinch zones 8.Clamping element 3 is designed in pinch zones 8 by inclined angle alpha (Fig. 2) configuration obliquely.In this pinch zones 8, near the free end 10 of clamping element 3, establish a cutting element 12, it has two along tandem blade 12a of lead direction of insertion 11 (referring to Fig. 1 and Fig. 4) and 12b.Cutting element 12 can be parallel to the axis 13 that the lead axis extends ' be contained in rotationally on the clamping element 3 around one by a bearing pin 13.In addition, cutting element 12 and bearing pin 13 are configured as a part worthily, for example as sintered part, thereby are designed to monomer or integral type.Along that blade 12b of direction of insertion 11 the bigger height h (referring to Fig. 3) of blade 12a than is in front arranged here, in the back.
The side that contact 2 faces pinch zones 8 at pinching screw 4 has one to be shaped out and the direction of pointing to clamping element 3 is used for the backstop 14 of clamping element 3 from contact sheet.In addition, contact 2 has a stamped bumps 15 of extending at least near pinch zones 8 whole width transverse to direction of insertion 11, and it is as the insertion servicing unit of one or every lead.In addition, contact 2 is provided with a cutting element of being made up of two row's cutting teeths 16,17 in pinch zones 8.Here, cutting teeth 16,17 is staggeredly arranged with respect to blade 12a, the 12b of clamping element 2 cutting elements 12.The front row of contact 2 cutting elements comprises two cutting teeths 16, and then row has three cutting teeths 17 (Fig. 1).The height of cutting teeth 17 that is positioned at the back along direction of insertion 11 is again greater than in front cutting teeth 16.Be shaped on the insertion inclined-plane on the cutting teeth 16 in front, the inclined-plane of reverse extension is then arranged on the cutting teeth 17 of back.
By contact 2 being in tilted layout in pinch zones 8 especially, allow for example have different-diameter d with two in simple especially mode
1And d
2Lead 18 and 19 be contained in side by side in the pinch zones 8, and contacting ground clamps there, as shown in Figure 4.Here, straight line d
1The cross section of lead 18 for example be 2.5mm
2, and diameter d
2The cross section of lead 19 for example be 0.5mm
2Fig. 5 has represented the clamped condition of lead 18,19 in the vertical section of lead 18.In this case, one or two cutting teeth 17 of the blade 12b of clamping element 3 and contact 2 penetrates the lead heart 21 of insulating barrier 20 until lead 18,19 fully at least.Therefore, when fixing the clamped lead 18,19 that each root do not remove insulated hull reliably, for the current lead-through between every lead 18,19 and contact 2 forms reliable contacting.
In order to clamp and contacting, for example by dextrorotation pinching screw 4, binding clip 1 is placed in the position shown in the Figure 4 and 5 from the position shown in Fig. 1 to 3.Clamping element 3 is bearing on the fulcrum 9 of contact 2 by its supporting arm 7, and is bearing on the other hand on the lead 18,19 on the one hand in this case, and movable blade 12a, 12b cut the insulating barrier 20 of wearing lead 18,19.Meanwhile, the cutting teeth 16,17 of contact 2 penetrates insulation equally and leads 20 and be pressed on the lead heart 21 of every lead 18,19.
Backstop 14 prevents that reliably lead 18,19 is cut off.In addition also the cutting teeth in a row 16,17 of blade 12a, 12b by clamping element 3 and contact 2 is arranged with staggering and is guaranteed this point.This layout also guarantees lead 18,19 is fixed in the binding clip 1 reliably with staggering.In addition, blade 12a, 12b or cutting teeth 16,17 different height h, h ' assurances have all contactings reliably of lead 18,19 little and that have big cross section.
By cutting element 12 rotatably supports of clamping element 2, allow not only with adaptive transverse to the contact 2 of direction of insertion 11 diagonally extendings in pinch zones 8 in particularly advantageous mode, and diameter d that can be different with the lead 18,19 of clamping arranged side by side
1, d
2Match.In order to clamp reliably and for contacting reliably, pinching screw 4 is tightened for penetrating insulating barrier 20 required given moments of torsion with one worthily.
The inside span width of through hole 5 is determined its size in such a way with respect to the nail bar thickness of pinching screw 4, that is, might keep clamping element 3 to move along direction of insertion 11 at least when pinching screw 4 is tightened and when unclamping.Be engaged with in through hole 4 zones one of the annular projection on the shank of screw 22 and clamping element 3 work correspondence dash part projection 23, can when pinching screw 4 unclamps, promote clamping element 3 automatically.In this case, for example when pinching screw 4 was left-handed, clamping element 3 moved upward, and connected thereby simply and reliably reach the contact of disengagement in pinch zones 8.
The shell that only schematically illustrates among Fig. 1 is the part of switching device.Shell is designed to worthily and can clamps contact 2 with simple and time saving mode.Meanwhile, has minor diameter d
2Lead 18 and thereby cross section≤0.5mm
2Lead 19 and have than major diameter and cross section 〉=2.5mm
2Lead 18 also all should be in each position contacting reliably.In Fig. 1,3,4 and 5, can see the switch contact 25 of contact 2.
Claims (14)
1. binding clip, be used for that some do not remove the lead (18 of insulated hull by means of a clamping element (3) contacting, 19), the clamped screw of clamping element (3) (4) is fixing movably, and go up and be bearing in lead (18 at contact (2) at the opposite side of pinching screw (4) at a side bearing of pinching screw (4), 19) on, wherein, clamping element (3) and contact (2) have some cutting elements (12 in pinch zones (8), 16,17), it is characterized in that: along lead (18,19) direction of insertion (11), pinching screw (4) is positioned at pinch zones (8) afterwards, and is supporting arrangement (7) afterwards at pinching screw (4); And, by contact (2) transverse to the direction of insertion (11) of lead (18) obliquely configuration constitute the pinch zones (8) of a wedge shape.
2. according to the described binding clip of claim 1, it is characterized in that: clamping element (3) is designed in pinch zones (8) and the equidirectional configuration obliquely of contact (2).
3. according to the described binding clip of claim 2, it is characterized in that: the inclination angle (α) of clamping element (3) is less than the inclination angle (β) of contact (2).
4. according to claim 2 or 3 described binding clips, it is characterized in that: the inclination angle (α) of clamping element (3) is between α=20 ° and α=30 °.
5. according to claim 2 or 3 described binding clips, it is characterized in that: the inclination angle (β) of contact (2) is between β=30 ° and β=40 °.
6. according to each described binding clip in the claim 1 to 3, it is characterized in that: the cutting element of contact (2) in pinch zones (8) comprises two along lead (18,19) direction of insertion (11) front and back cutting teeth (16,17) in a row.
7. according to the described binding clip of claim 6, it is characterized in that: have the bigger height (h ') of cutting teeth (16) than in front along the cutting teeth (17) of direction of insertion (11) in the back.
8. according to each described binding clip in the claim 1 to 3, it is characterized in that: contact (2) has a backstop (14) that is used for clamping element (3) in the side that pinching screw (4) faces pinch zones (8).
9. according to the described binding clip of claim 6, it is characterized in that: contact (2) has stamped bumps (15) as inserting servicing unit along direction of insertion (11) in that cutting teeth (16,17) is preceding.
10. according to each described binding clip in the claim 1 to 3, it is characterized in that: passing on the nail bar of the pinching screw (4) that the through hole (5) in the clamping element (3) inserts has annular projection (22), and it meshes so that promote clamping element (3) automatically with punching press projection (23) in the through hole (5).
11. according to each described binding clip in the claim 1 to 3, it is characterized in that: the cutting element (12) of clamping element (3) can be around axis (13 ') swing along lead (18,19) direction of insertion (11) extension.
12. according to each described binding clip in the claim 1 to 3, it is characterized in that: the cutting element (12) of clamping element (3) has the blade (12a, 12b) of two differing heights (h).
13. according to the described binding clip of claim 12, it is characterized in that: the blade of clamping element (3) (12a, 12b) is staggeredly arranged with respect to the cutting teeth in a row (16,17) of contact (2) direction of insertion (11) along lead (18,19).
14. according to each described binding clip in the claim 1 to 3, it is characterized in that: clamping element (3) has the supporting arm (7) of a sensing contact (2) back to a side of pinch zones (8) at pinching screw (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19825565.9 | 1998-06-08 | ||
| DE19825565 | 1998-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1303531A CN1303531A (en) | 2001-07-11 |
| CN1125502C true CN1125502C (en) | 2003-10-22 |
Family
ID=7870290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99806869A Expired - Fee Related CN1125502C (en) | 1998-06-08 | 1999-05-31 | Connecting clamp |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1086513B1 (en) |
| JP (1) | JP4343437B2 (en) |
| CN (1) | CN1125502C (en) |
| DE (1) | DE59906602D1 (en) |
| WO (1) | WO1999065114A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320848B (en) * | 2008-03-28 | 2010-10-06 | 时珺 | Anti-loosing wire connector capable of viewing |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003075407A2 (en) * | 2002-03-01 | 2003-09-12 | Woodhead Industries, Inc. | Field-attachable connector with sliding contacts |
| JP4551197B2 (en) * | 2004-11-26 | 2010-09-22 | ホーチキ株式会社 | Power connection terminal |
| JP5022433B2 (en) * | 2009-12-21 | 2012-09-12 | ホーチキ株式会社 | Power connection terminal |
| EP2456022A1 (en) * | 2010-11-23 | 2012-05-23 | Saia-Burgess Controls AG | Electrical device |
| EP2456010A1 (en) | 2010-11-23 | 2012-05-23 | Saia-Burgess Controls AG | Network component comprising an electrical device |
| DE102015222851A1 (en) * | 2015-11-19 | 2017-05-24 | Siemens Aktiengesellschaft | Electrical connection element for a cable end |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2229835C3 (en) * | 1972-06-19 | 1975-12-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Terminal for connecting an electrical conductor |
| GB2210734A (en) * | 1987-09-17 | 1989-06-14 | Bicc Plc | Terminating insulated conductors |
| DE3808794A1 (en) * | 1988-03-16 | 1989-09-28 | Preformed Line Products Great | BRANCH TERMINAL FOR ELECTRICAL LADDERS |
| US5470183A (en) * | 1993-11-22 | 1995-11-28 | Swick; E. Grant | Electrical connection terminal assembly and tilt washer |
-
1999
- 1999-05-31 CN CN99806869A patent/CN1125502C/en not_active Expired - Fee Related
- 1999-05-31 JP JP2000554027A patent/JP4343437B2/en not_active Expired - Fee Related
- 1999-05-31 EP EP99936370A patent/EP1086513B1/en not_active Expired - Lifetime
- 1999-05-31 DE DE59906602T patent/DE59906602D1/en not_active Expired - Fee Related
- 1999-05-31 WO PCT/DE1999/001602 patent/WO1999065114A2/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320848B (en) * | 2008-03-28 | 2010-10-06 | 时珺 | Anti-loosing wire connector capable of viewing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999065114A2 (en) | 1999-12-16 |
| DE59906602D1 (en) | 2003-09-18 |
| EP1086513A1 (en) | 2001-03-28 |
| CN1303531A (en) | 2001-07-11 |
| WO1999065114A3 (en) | 2000-03-16 |
| JP2002518799A (en) | 2002-06-25 |
| EP1086513B1 (en) | 2003-08-13 |
| JP4343437B2 (en) | 2009-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031022 Termination date: 20100531 |