CN101577373B - Electrical terminal for connecting at least one electric conductor - Google Patents
Electrical terminal for connecting at least one electric conductor Download PDFInfo
- Publication number
- CN101577373B CN101577373B CN2009101381264A CN200910138126A CN101577373B CN 101577373 B CN101577373 B CN 101577373B CN 2009101381264 A CN2009101381264 A CN 2009101381264A CN 200910138126 A CN200910138126 A CN 200910138126A CN 101577373 B CN101577373 B CN 101577373B
- Authority
- CN
- China
- Prior art keywords
- plate
- screw
- terminal
- dish
- tightly
- 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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Images
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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/44—Clamping areas on both sides of screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Multi-Conductor Connections (AREA)
Abstract
A terminal for electrically connecting at least one electrical conductors (5, 6) includes a locking screw(3); a plate (20), which is provided with an opening for passing through a rod (11) of screw (3) and a support surface (22) for a counter-support surface (13) on the head of the screw (3); and a clamping plate (4) with a screwed hole, which can be matched with a threaded rod (11) of the screw (3) in nut modus. The rotary of the screw (3) controls the clamping plate (4) to close to the plate (20), so that at least one conductor (5,6) is constricted between the clamping plate (4) and the plate (20). The support surface (22) is flat or totally flat, while the counter-support surface (13) expands from the threaded rod (11), so that the screw (3) and the clamping plate (4) inclines relative to the plate (20) when the conductor (5,6) is constricted.
Description
Technical field
The present invention relates generally to and is suitable for drawing the terminal for electrical appliances that connects at least one electric conductor.
Background technology
Recognized a kind ofly be used to drawing the electrical equipment terminal that connects at least one electric conductor from document DE 40 33 074, this terminal comprises:
-have a lock-screw of threaded rod and head;
-plate dish, it has opening that the bar that makes described screw passes through and around the breasting surface of described opening, abutment surface can be propped up by cooperation around described threaded rod of described breasting surface and described screw head;
-have a screwed hole tightly hold plate, this is tightly held plate and can coordinate with the threaded rod of described screw in the mode of nut; And
-stop and guide member, it keeps the described plate of tightly holding to maintain static and guide this tightly to hold the plate slip, due to described stop and guide member, the rotation of described lock-screw control described tightly hold the relatively described plate dish of plate near or away from, in order to described described at least one conductor of tightly holding between plate and described plate dish is tightened or is unclamped.
Being shaped as of the opening that the plate dish has is microscler, the length of opening makes: between plate dish and screw thereby the gap that exists and tightly hold plate and stop and guide member between the gap that exists, make screw and tightly hold plate and tilt with respect to the plate dish, thereby two conductors that are positioned at the different-diameter of described each side of screw can tightly be held.
Summary of the invention
Target of the present invention is a kind of like this manufacturing and uses all terminal simply and easily.
For this reason, the present invention proposes to be suitable for connecting the electrical equipment terminal of at least one electric conductor, and this terminal comprises:
-have a lock-screw of threaded rod and head;
-plate dish, this plate dish have opening that the threaded rod that makes described lock-screw passes through and around the breasting surface of described opening, being coordinated around described threaded rod abutment surface is adapted to support pattern of described breasting surface and described lock-screw head;
-have a screwed hole tightly hold plate, this is tightly held plate and can coordinate with the threaded rod of described lock-screw in the mode of nut; And
-stop and guide member, it keeps the described plate of tightly holding do not rotate and guide this tightly to hold the plate slip, due to described stop and guide member, the rotation of described lock-screw control described tightly hold the relatively described plate dish of plate near or away from, in order to described tightly holding between plate and described plate dish, described at least one conductor is tightened or is unclamped, the gap that exists between described plate dish and described lock-screw, and the described gap that exists between plate and described stop and guide member of tightly holding, described lock-screw and the described plate of tightly holding are tilted with respect to described plate dish, thereby two different-diameters, the conductor that is positioned at described each side of lock-screw can be tightened,
It is characterized in that, the described breasting surface of described plate dish is smooth or overall smooth, and described head to abutment surface expansion from described threaded rod.
The configuration of simply widening to abutment surface due to screw, and the breasting surface of plate dish is smooth or substantially smooth, thereby utilize screw and the tilt capability of tightly holding the relative plate dish of plate, can make terminal according to the invention be used in various structures, during comprising terminal compactness especially.
It will be appreciated that, in this case, be difficult to the elongated hole that even may not use file DE 40 33 074 to describe.
Also will see the not special difficulty of the manufacturing of the terminal screw that wherein abutment surface is begun to expand from threaded rod according to the invention; And the use of terminal according to the invention is simple and convenient, waits to draw the in place and lock-screw of the conductor that connects because only need make.
According to making and using and all implement especially simply and easily feature:
-described abutment surface is truncated cone shape;
-described the plate of tightly holding is faced on the surface of described plate dish at it, has the concavo-convex body of maintenance that keeps described at least one conductor;
The concavo-convex body of-described maintenance belongs to the group that is formed by groove, rib, hole thorax, tooth and undulations; And/or
-described terminal comprises that in addition two are positioned at that described plate dish is each side, rectangular plate, thereby described plate dish and two described plates are U shape body, and the described plate of tightly holding is arranged in the space that is limited by two plates and described plate dish.
The present invention also proposes an electrical equipment, it is characterized in that this electrical equipment comprises at least one terminal as above.
Especially but non-exclusively, when electrical equipment formed a current plug, advantageously described terminal comprised be used to drawing and connects drawing of described at least one conductor and connect part and can admit the joining part that is inserted into plug.
Description of drawings
By the explanation of reference accompanying drawing to the following preferred embodiment of the present invention that provides as non-limiting example, continue to describe the present invention now.Accompanying drawing is as follows:
-Fig. 1 is the perspective view of terminal according to the invention;
-Fig. 2 is the elevation view of Fig. 1 terminal;
-Fig. 3 is the fixing elevation view of the screw of the terminal of Fig. 1;
-Fig. 4 is the profile of Fig. 3 screw of the planar interception that represents along the IV-IV in Fig. 3;
-Fig. 5 is the schematic diagram that has by the plug of two terminals of the present invention; With
-Fig. 6 is the elevation view that meets the terminal of the second execution mode.
Embodiment
Fig. 1 and 2 represents the terminal 1 that electrical equipment is used.This terminal comprises main body 2, lock-screw 3, tightly holds plate 4.
Terminal 1 is applicable to draw and connects at least one electric conductor.In an example shown, terminal 1 is connected with two electric conductors 5,6.
Electric conductor 5,6 has different diameters, and the diameter of conductor 5 is greater than the diameter of conductor 6.Here the diameter of conductor 5 is the twice of the diameter of conductor 6 substantially.
Lock-screw 3 has head 10 and threaded rod 11.
Head 10 has a surface in the side back to threaded rod 11, and this surface has the driver part 12 that drives screw turns by screwdriver.Here driver part 12 is two and is criss-cross groove.This surface of screw head is known in the art, just is not described in detail here.
The surface that is positioned at threaded rod 11 sides of screw head begins to widen greatly from threaded rod 11.This surface forms abutment surface 13, and abutment surface is truncated cone shape here, and its minor diameter is positioned at bar 11 root places, thus the main shaft of bar 11 and to the angle between abutment surface 13 greater than 90 °.
Main body 2 has to draw and connects part 15 and joining part 16.Draw and connect part 15 and comprise a smooth and rectangular plate 20.This plate dish 20 is connected with joining part 16 by two plates 21, two plates 21 be also rectangle and they be arranged to make these two plates 21 and plate dish 20 formation U shape bodies.
Plate dish 20 has be used to the circular open that bar 11 is passed through., bar 11 in place when screw 3 pass plate dish 20 with opening the time, bar 11 is relative with plate 21, and head 10 is against the smooth breasting surface 22 in plate dish 20 opening surroundings.
Draw and connect part 15 and comprise in addition and tightly hold plate 4.This is tightly held plate 4 and is rectangle and smooth.Size and the plate dish 20 of tightly holding plate 4 are basic identical, but thickness is greater than the thickness of plate dish 20.Tightly hold plate 4 and have a screwed hole, tightly hold plate and coordinate with threaded rod 11 by the mode of this screwed hole with nut.
During mounting terminal 1, tightly hold plate 4 and head 10 and be positioned at plate dish 20 each sides.To tightly hold plate 4 is arranged to: one of the edge breasting of tightly holding plate plate dish 20 relatively and is horizontal, and the plate 21 of contiguous this plate dish, thereby this plate 21 forms and keeps tightly holding the fixed stop component of plate 4, when screw 3 rotated, described stop component can make tightly to be held plate 4 and can not rotate.This plate 21 also plays the effect that the guide member that plate 4 slides is tightly held in guiding because screw 3 rotations can be driven tightly hold plate 4 plate dish 20 relative to rotation direction near or leave.
Joining part 16 has in a known way two and connects pawl 25, and these two connect pawl except the end sections of mutually dispersing, restrain toward each other towards their free end.These connect pawl 25 can admit the plug that is inserted between pawl 25.Plate dish 20, plate 21 and pawl 25 are formed by electric conducting material.
Two electric conductors 5,6 connect and draw are described now.
Before appearance connect electric conductor 5,6, screw 3 was located on plate dish 20, made the bar 11 of screw pass the opening of plate dish 20, and made and tightly hold plate 4 and remain on bar 11 in the mode of leaving plate dish 20.At this initial position, the relative plate dish 20 of bar 11 is laterally orientation, and tightly holds plate 4 and be parallel to plate dish 20 ground orientations.
Make two conductors 5,6 end at plate dish 20 and tightly hold between plate 4, and making conductor 5 be positioned at a side of bar 11, and making conductor 6 be positioned at the opposite side of bar 11.To connect in order implementing to draw, to drive screw 3 by screwdriver.
Due to the positioned opposite of tightly holding between plate 4 and plate 21, the rotation of screw 3 makes tightly holds plate 4 near plate dish 20.Should be near carrying out along relative horizontal direction of plate dish, equal conductor 5, namely have diameter of the conductor of thick diameter until tightly hold distance between plate 4 and plate dish 20.
Tightly holding the part that plate 4 contacts with conductor 5 can not be again near plate dish 20 from this moment.
Continue to drive screw 3 and rotates in the same direction, the axis of screw 3 will be with respect to tilting with the horizontal direction of 20 one-tenths, plate dish, and screw extremely once was on this horizontal direction at this moment always.In fact, tightly hold plate 4 and stopped in the advancing of plate dish 20 at it in the part of conductor 6 one sides of minor diameter, this part will continue close.Due to the part that is positioned at conductor 5 one sides of tightly holding plate 4 can not be again near plate dish 20, thereby tightly hold plate 4 will be around carrying out limited pivoting action corresponding to conductor 5 and the axis of tightly holding contact wire between plate 4 surfaces.By screw 3, also more particularly by the surface 14 of screw 3, make this pivoting action become possibility, this surperficial truncated cone allows such pivotable.Being located at opening in plate dish 20 has in installing with screw 3 and is enough to allow bar 11 to carry out the gap of described pivoting action.Tightly hold plate 4 and keep horizontal with 11 one-tenth, bar, and parallel with head 10.
Opening in head 10 and plate dish 20, certainly also have plate 21, can not consist of obstruction and tightly hold plate 4 pivotables, and the obstacle that may hinder the electric conductor 5,6 of two different-diameters to tighten.
Fig. 5 schematically represents current socket 30, and socket 30 is with two jacks 31 for the connection plunger of admitting not shown electrical equipment.This socket 30 is provided with two terminals, and each pawl 25 of described terminal is admitted a wherein above-mentioned plunger.
Fig. 6 represents that wherein common part keeps identical reference number and adds 100 with reference to the modification of the execution mode of Fig. 1-5 description.
According to a modification of this execution mode, the surface of tightly holding plate has the parts that other can increase constraint, as rib, groove, hole thorax etc.
Certainly, shown terminal can only be admitted single electric conductor.Its operation, particularly conductor are at the plate dish and tightly hold tight bundle between plate, implement in the mode of the tight Shu Xiangtong that describes with the conductor that has a different-diameter with reference to two.In fact, tightly holding plate will be near the plate dish, until the distance between these two parts equals to be positioned at the diameter of the conductor of bar one side of lock-screw or opposite side.Then carry out pivotable, until tightly hold farthest pivotable of plate, for example until when tightly holding plate and contacting with the plate dish.
According to a modification of illustrated embodiment, breasting surface as 22 is not strictly smooth, but smooth generally, for example with concavo-convex body, for example 3 or 103 unclamps to avoid screw; And/or screw to abutment surface have from shown in the different shape of truncated cone shape, spherical in shape or more sensu lato protuberance shape for example.
Execution mode unshowned according to other, electrical equipment according to the invention are for example switch, the circuit breakers beyond socket, or any electrical equipment that draws the terminal that connects one or more electric conductors that is provided with.
The invention is not restricted to above described and illustrated execution mode, but include any enforcement modification.
Claims (8)
1. the terminal used of electrical equipment, described terminal are suitable for drawing and connect at least one electric conductor (5,6; 105,106), this terminal comprises:
-lock-screw (3; 103), it has threaded rod (11; 111) and head (10; 110);
-plate dish (20; 120), this plate dish has and makes described lock-screw (3; 103) threaded rod (11; 111) opening that passes through and around the breasting of described opening surface (22), described breasting surface (22) and described lock-screw (3; 103) head (10; 110) around described threaded rod (11; Abutment surface (13) can be coordinated with support pattern 111);
-have a screwed hole tightly hold plate (4; 104), this tightly hold plate can be with mode and the described lock-screw (3 of nut; 103) threaded rod (11; 111) coordinate; And
-stop and guide member (21), it keeps the described plate (4 of tightly holding; 104) do not rotate and guide this tightly to hold the plate slip, due to described stop and guide member, described lock-screw (3; 103) the described plate (4 of tightly holding is controlled in rotation; 104) relatively described plate dish (20; 120) near or away from so that at the described plate (4 of tightly holding; 104) with described plate dish (20; 120) make described at least one electric conductor (5,6 between; 105,106) tighten or unclamp, described plate dish (20; 120) with described lock-screw (3; 103) gap and the described plate (4 of tightly holding that exist between; 104) gap that exists and between described stop and guide member (21) can make described lock-screw (3; 103) and the described plate (4 of tightly holding; 104) with respect to described plate dish (20; 102) tilt, thus two different-diameters, be positioned at described lock-screw (3; 103) electric conductor of both sides (5,6; 105,106) can be tightened;
It is characterized in that described plate dish (20; 120) described breasting surface (22) is smooth or overall smooth, and described head (10; 110) to abutment surface (13) from described threaded rod (11; 111) play expansion.
2. terminal as claimed in claim 1, is characterized in that, described abutment surface (13) is truncated cone shape.
3. terminal as claimed in claim 1 or 2, is characterized in that, the described plate (104) of tightly holding is faced on the surface of described plate dish (120) at it, has the concavo-convex body of maintenance (135) that keeps described at least one electric conductor (105,106).
4. terminal as claimed in claim 3, is characterized in that, the concavo-convex body of described maintenance (135) belongs to the group that is formed by groove, rib, hole thorax, tooth and undulations.
5. terminal as claimed in claim 1 or 2, it is characterized in that, described terminal comprises in addition and is positioned at that described plate dish (120) is both sides, rectangular two plates (136), thereby described plate dish (120) and described two plates (136) are U shape body, and the described plate (104) of tightly holding is arranged in the space that is limited by described two plates (136) and described plate dish (120).
6. electrical equipment, is characterized in that, described electrical equipment comprises at least one terminal as described in any one in claim 1 to 5 (1,101).
7. electrical equipment as claimed in claim 6, is characterized in that, described terminal (1; 101) comprise drawing and connect drawing of described at least one electric conductor and connect part (15) and can admit the joining part (16) that is inserted into plug.
8. electrical equipment as claimed in claim 7, is characterized in that, this electrical equipment forms current socket (30).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0852979 | 2008-05-05 | ||
| FR0852979A FR2930846B1 (en) | 2008-05-05 | 2008-05-05 | TERMINAL FOR ELECTRICAL APPARATUS, SUITABLE FOR CONNECTING AT LEAST ONE ELECTRICAL CONDUCTOR |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101577373A CN101577373A (en) | 2009-11-11 |
| CN101577373B true CN101577373B (en) | 2013-11-06 |
Family
ID=39960978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101381264A Expired - Fee Related CN101577373B (en) | 2008-05-05 | 2009-05-05 | Electrical terminal for connecting at least one electric conductor |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN101577373B (en) |
| BR (1) | BRPI0901685A2 (en) |
| CL (1) | CL2009001068A1 (en) |
| CO (1) | CO6220150A1 (en) |
| FR (1) | FR2930846B1 (en) |
| MX (1) | MX2009004736A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2490298A1 (en) * | 2011-02-21 | 2012-08-22 | Gerdes OHG | Connection device for connecting at least one electric line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024328B1 (en) * | 1979-08-16 | 1983-12-21 | Siemens Aktiengesellschaft | Terminal clamp for electrical apparatuses |
| DE4033074A1 (en) * | 1989-11-06 | 1991-05-08 | Hermsdorf Keramik Veb | Pressure block for releasable electric clamp terminal - has bore for clamping screw provided by elongate slot perpendicular to inserted conductors |
| DE19746240A1 (en) * | 1997-10-20 | 1999-04-22 | Abb Patent Gmbh | Contact clamp for electrical fitting such as switch and press button |
| US6082942A (en) * | 1993-11-22 | 2000-07-04 | Swick; E. Grant | Electrical connection terminal assembly and tilt washer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3191140A (en) * | 1963-06-05 | 1965-06-22 | Eaton Mfg Co | Electrical conductor terminal clamp |
| US5934949A (en) * | 1998-03-30 | 1999-08-10 | Square D Company | Electrical terminal assembly with self-retaining clamp plate and method of using same |
-
2008
- 2008-05-05 FR FR0852979A patent/FR2930846B1/en not_active Expired - Fee Related
-
2009
- 2009-05-04 CL CL2009001068A patent/CL2009001068A1/en unknown
- 2009-05-04 CO CO09044654A patent/CO6220150A1/en active IP Right Grant
- 2009-05-05 BR BRPI0901685-6A patent/BRPI0901685A2/en not_active IP Right Cessation
- 2009-05-05 CN CN2009101381264A patent/CN101577373B/en not_active Expired - Fee Related
- 2009-05-06 MX MX2009004736A patent/MX2009004736A/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024328B1 (en) * | 1979-08-16 | 1983-12-21 | Siemens Aktiengesellschaft | Terminal clamp for electrical apparatuses |
| DE4033074A1 (en) * | 1989-11-06 | 1991-05-08 | Hermsdorf Keramik Veb | Pressure block for releasable electric clamp terminal - has bore for clamping screw provided by elongate slot perpendicular to inserted conductors |
| US6082942A (en) * | 1993-11-22 | 2000-07-04 | Swick; E. Grant | Electrical connection terminal assembly and tilt washer |
| DE19746240A1 (en) * | 1997-10-20 | 1999-04-22 | Abb Patent Gmbh | Contact clamp for electrical fitting such as switch and press button |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2009004736A (en) | 2009-11-26 |
| BRPI0901685A2 (en) | 2011-01-25 |
| CO6220150A1 (en) | 2010-11-19 |
| FR2930846B1 (en) | 2010-06-04 |
| CL2009001068A1 (en) | 2010-08-20 |
| CN101577373A (en) | 2009-11-11 |
| FR2930846A1 (en) | 2009-11-06 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |