CN1770554A

CN1770554A - Device with a connecting block

Info

Publication number: CN1770554A
Application number: CNA2005101249900A
Authority: CN
Inventors: 让-皮埃尔·利帕里
Original assignee: Legrand SA; Legrand SNC
Current assignee: Legrand SA; Legrand SNC
Priority date: 2004-09-27
Filing date: 2005-09-27
Publication date: 2006-05-10
Anticipated expiration: 2025-09-27
Also published as: FR2875944B1; EP1641079B1; ES2320150T3; DE602005011910D1; CN100505423C; FR2875944A1; PL1641079T3; ATE418803T1; EP1641079A1

Abstract

The equipment has a connection device (1), the connection device comprises two guide in holes (6, 7) for cable; two elastic pieces positioned on opposite side of the guide in hole (6, 7); and two pushers (4, 5) near each other, which separately have a pad (12) for controlling the elastic pieces. The pad has an L shaped groove (14), and the other pad (12) has a J shaped groove (14), such that when both pads are at rest position, the both grooves (14) form a U shaped cavity, parallel branches of the cavity receive a tool (50) for setting respective pushers, in depression position.

Description

Instrument with a jockey

Technical field

[01] the present invention relates generally to electric apparatus such as circuit breaker or switch, described electric apparatus has a cable connecting arrangement.

Background technology

[02] well-known, now there have been some described instruments that are equipped with a jockey, described jockey comprises two cable entrance holes and two flexure strips---relative with one of entrance hole respectively.

[03] each flexure strip is used for cable is remained against a contact site of a conductor element, and described conductor element is connected to the other parts of instrument.

[04] position of flexure strip, and especially can with the position of the contacted flexure strip knuckle of cable, changed by the adjacent paw (poussoir) of pressing.Respectively comprise an arm by paw, described arm is portion place at one end, has a control button on first side, and have a fingers on second side relative with described first side, and described fingers is pressed over wherein on the flexure strip.

[05] respectively controls button and have a rectangle die cavity, be used on resting position, holding an instrument, so that make it exclusive be in depressing position by paw.Respectively all independently carry out described by depressing of paw by paw.

[06] described instrument allows to connect two cables, and can disconnect wherein a cable and make another still keep connection; And, can connect another cable and can not influence the situation of article one cable in case wherein a cable is connected.

Summary of the invention

[07] the object of the present invention is to provide a kind of electric apparatus of described type, it is all paws of press of start simultaneously not only, and its manufacturing and use all very simple and make things convenient for.

[08] for this reason, the present invention proposes a kind of electric apparatus with two cables with jockey, and described jockey comprises:

[09]-be used for two entrance holes of described cable;

[10]-two flexure strip, each flexure strip is positioned at the opposite of one of described entrance hole, each flexure strip has one and keeps knuckle, and described knuckle remains against described one corresponding cable on the contact site of one conductor element, and described conductor element is connected with the other parts of described instrument;

[11]-two the adjacent paw of pressing, respectively be suitable for controlling respectively the position of the corresponding knuckle in described two knuckles by paw, and respectively has an arm by paw, described arm has a control button in a first end place first side, and having a fingers in second side relative with first side, described fingers abuts on the described one corresponding flexure strip; It is movable between a depressing position and a resting position respectively to press paw, and on described depressing position, described knuckle leaves described contact site, and on described resting position, described knuckle is near described contact site;

It is characterized in that [12] one of described button has a groove, described groove has at least one L shaped portion; And another button in the described button has a groove, described groove has at least one J-shaped portion, thereby when described each button all is in resting position, the common die cavity that forms of described two grooves, described die cavity has at least one U-shaped portion, and parallel minute groove of each of described die cavity is used for holding an instrument on resting position, exclusively is in depressing position by paw to order about it, and horizontal minute groove of described die cavity is used to hold an instrument, is in depressing position to order about described two simultaneously by paw.

[13] therefore, can use same instrument to come start described two by one of paw, perhaps paw is pressed in start two simultaneously.

[14] according to following characteristics---described feature makes manufacturing and use aspect all very simple and convenient:

[15]-jockey comprises a main body, described two press paw with respect to described main body with the rotating manner activity, describedly respectively comprise erecting device by paw, described erecting device has complementary post shapes, with described two by the mutual matched together of paw and be assembled on the main body; And may also comprise:

[16]-described erecting device be positioned at described arm with described first end opposite second end on; And/or

[17]-jockey comprises that one is provided with the main body of described entrance hole, described each fingers comprises a surface, on described depressing position, described surface is facing to one of described entrance hole, described surface is provided with a recess, described recess aligns with described entrance hole on depressing position, the other parts projection on described surface; And may also comprise:

[18]-the described recess of described two fingers is adjacent one another are; And/or

[19]-jockey comprises a main body, described main body comprise be used for described respectively by one first guide vane end stop and one second guide vane end stop of paw, when being placed in depressing position and resting position respectively by paw, described guide vane end stop is represented the stroke end of described button, accordingly promptly, one first end of described button only leans against on described first guide vane end stop, and the second end opposite with first end of described button only leans against on described second guide vane end stop; And/or

[20]-and describedly respectively comprise elasticity reset device by paw, be used to make describedly be returned to described resting position from described depressing position by paw; And may also comprise:

[21]-jockey comprises a main body, and described elasticity reset device comprises a rod member, described rod member is positioned on the second end of described arm---and relative with described first end and on described first side, the free end of described rod member abuts on the wall of described main body, when described by paw when a described position is transformed into described another location, described rod member is suitable for flexibly being out of shape.

Description of drawings

[22] by below in conjunction with accompanying drawing, to the description that the preferred embodiment of enumerating with non-limiting way carries out, can manifest the features and advantages of the present invention.In the accompanying drawing:

[23] Fig. 1 is the fragmentary, perspective view that has been equipped with the electric apparatus of jockey of the present invention, and described jockey comprises two pairs by paw; One wall of jockey main body main body has been removed, and seen two are on its resting position by paw;

[24] Fig. 2 is a schematic diagram of instrument shown in Figure 1, and two are in depressing position by one of paw;

[25] Fig. 3 is the perspective view by paw that is positioned at the left side in the jockey of Fig. 1;

[26] Fig. 4 is the perspective view by paw that is positioned at the right;

[27] Fig. 5 is similar to Fig. 4, show one be on the resting position, be equipped with elasticity reset device by paw;

[28] Fig. 6 is the partial schematic diagram along another perspective view of the jockey of Fig. 1, and a press tool is placed in wherein in the groove by paw;

[29] Fig. 7 is similar to Fig. 6, and described press tool is placed in two by in the total groove of the groove of paw;

[30] Fig. 8 is the partial sectional view according to instrument of the present invention, and that is seen is on its resting position by paw;

[31] Fig. 9 is similar to Fig. 8, describedly is in depressing position by paw, and a cable injects in the entrance hole;

[32] Figure 10 and Figure 11 are similar to Fig. 8 and Fig. 9, describedly are provided with resetting means shown in Figure 5 by paw;

[33] Figure 12 is similar to Figure 11, describedly is returned on the resting position by paw.

Embodiment

[34] cable connecting arrangement 1 of instrument 2 comprises two adjacent body 3 that are parallelepiped basically.Described instrument 2 is circuit breakers, only its jockey is described here.

[35] now describe a main body 3, the main body 3 that described plastic material is made has two cable entrance holes 6,7.On described main body 3, each

entrance hole

6,7 top respectively is equipped with one by

paw

4,5.

[36] equally also be plastic material make respectively comprise an arm 10 by paw (Fig. 3,4), described arm at one end portion's 11 places, one side have one control button 12, opposite side has a fingers 13.Button 12 extends on arm 10 protrudingly.The button 12 that is essentially parallelepiped has a upper surface, and described upper surface parallels with the surface---button 12 begins from described surface to extend---of arm 10 and separates with it.

[37] button 12 by paw 4 comprises that one is opened in the L shaped groove 14 on its upper surface; Button 12 by paw 5 comprises a J-shaped groove 14 that is opened on its upper surface.

[38] L shaped groove and the J-shaped groove long groove that divides separately longitudinally extends, and its short groove that divides laterally extends.Groove 14 or rather, is its short end of dividing groove---described end is relative with the long junction of groove of dividing with the described short groove that divides, and leads on one first side of button 12.The knuckle of groove 14 is rounded.

[39] in general, described first side of button 12 be in the same plane by a side 15 of paw 4,5.Similarly, all have one second side 16 by

paw

4,5, described second side 16 is relative with first side 15.When being placed in the jockey by

paw

4,5, two sides 15 contact each other.

[40] bottom of groove 14 tilts, and the short the darkest knuckle that divides groove is near end 11, and the long the darkest knuckle of groove that divides is near side 16.

[41] when two are installed in the main body 3 by

paw

4,5 abreast, two grooves 14 are communicated with and form a U die cavity 17 jointly.Horizontal minute groove of U-shaped die cavity 17 formed by the two short grooves that divide of L shaped and J-shaped groove 14, and is positioned near 11 places, end.Three branch grooves of U-shaped die cavity 17 are measure-alike basically.

[42] button 12 extends out with respect to arm 10 in the end of the end of arm 10 11 those sides.Button 12 in described end 11 with and the horizontal knuckle of that side of upper surface rounded.

[43] fingers 13 extends at the opposite side of arm 10, is crescent with arm 10 and button 12 with wide described fingers 13, so that the second end 19 (relative with end 11) of the free end 18 slightly close arms 10 of described fingers 13.

[44] fingers 13 has a positive front surface 20 and a rear surface 21, and they are slightly microprotrusion and depression respectively, and the part by

side

15,16 is connected with each other.Positive front surface 20 has a recess 21 (Fig. 5), and described recess extends to arm 10 from free end 18 beginnings always.But described recess 21 is not to extend on the whole width of fingers 13, but the distance piece 22 of leaving (d é crochement) extends along side 16 parts of fingers 13.

[45] when two were installed in the main body 3 by

paw

4,5 abreast, two recesses 21 were adjacent one another are.

[46] also has a triangle recess that leads on the side 15 by

paw

4,5.

[47], have by

paw

4,5 matched together and be assembled into erecting device in the main body 3 each other by the end 19 of

paw

4,5 referring to Fig. 3 and Fig. 4.Described erecting device allows to press paw and rotates independently of one another with respect to main body 3.It is movable between a resting position and a depressing position to press

paw

4,5.

[48] be rendered as the form of a hollow cylinder 23 by the end 19 of the arm 10 of paw 4, described hollow cylinder leads on the

side

15, and 16 those sides have a bottom in the side.

[49] end 19 by the arm 10 of paw 5 has a solid column piece 24 on side 15, and described column piece is suitable for injecting in the cavity of cylinder 23; And on side 16, having a solid column piece 25, its diameter is identical with the external diameter of cylinder 23.

[50] end 19 of side 16 has a recess around

column piece

23,25.

[51] main body 3 has the cylindrical hole (not shown) that is used for holding

column piece

23,25.

[52] in main body 3,

entrance hole

6,7 is positioned near fingers 13 positions by paw 4,5.They lead on the surface of main body 3, and its cross section is along with reducing away from described surface.Two

entrance holes

6,7 are adjacent one another are.

Entrance hole

6,7 is rounded at the described lip-deep knuckle of main body 3, so that the insertion of cable.

[53] main body also comprises the two stroke end guide

vane end stops

26,27 by paw that are used for respectively by

paw

4,5.

[54] guide vane end stop 26 is positioned at the top of an

entrance hole

6,7, and when placing depressed position by paw, the cocked bead of button 12 just only leans against on the described guide vane end stop.

[55] guide vane end stop 27 is positioned at the top on another surface of main body 3, when placing resting position by paw, can only lean against on the described guide vane end stop by the corresponding part of the connecting portion between

paw

4,5 and arm 10 and the button 12 (in end 19 sides).

[56] two flexure strips 30 have been installed in the main body 3.Each flexure strip 30 all is a shoestring of being made by electric conducting material.Each elastomer 30 all takes the shape of the letter U, and its first sheet 31 has a short convex shoulder 32 at its free end place.

[57] each flexure strip 30 all is fixed on the main body 3, so that its second sheet 33 is flexible, and can be near first sheet 31 under the pressure effect of fingers 13 or cable.

[58] prop up sheet 33 and have a knuckle 34, and a narrow portion is arranged, its width reduces gradually towards described knuckle 34.

[59] main body 3 also has

conductor element

35,36 in the both sides of flexure strip 30.First element 35 contacts with the convex shoulder 32 of flexure strip 30.

[60] second elements 36 have a surface facing to flexure strip 30, and described surface forms the bearing of cable.

When [61] static, a sheet 33 element 36 that reclining is so that entrance hole is closed.

[62] existing description is used to connect and throw off the operation of cable by paw.

[63] want stube cable, promptly realize and being electrically connected of

conductor element

35,36, on button 12, apply a pressure, describedly promptly leave its resting position and rotate by paw by paw 4,5.So the free end 18 of fingers 13 is pressed against propping up on the sheet 33 (Fig. 2 and Fig. 9) of flexure strip 30.Prop up sheet 33 and rely on a sheet 31, thereby open a passage for cable 40.Cable 40 is inserted, then the pressure of release action on button 12.Prop up sheet 33 and slightly leave a sheet 31, and knuckle 34 can be resisted against on the cable 40.State under still keeping being pressed by

paw

4,5.

[64] to disconnect the connection of cable 40, on button 12, apply a pressure by paw 4,5.The free end 18 of fingers 13 abuts on the sheet 33 of flexure strip 30 again.Knuckle 34 separates with cable 40, so that can extract cable out from hole 6,7.In case extracted cable out, flexure strip 30 just is returned to its resting position, shifts to its resting position thereby drive by paw.

[65] have under the situation of enough rigidity at cable 40, by coming stube cable in the described cable inserting hole 6,7.Under the pressure effect of cable, a sheet 33 is near a sheet 31, so that open passage for described cable 40.This forces flexure strip 30 to be in a closed position, makes described flexure strip abut on the cable 40 by its knuckle 34.Cable 40 is close on the surface of element 36.Knuckle 34 is locked in cable and is connected on the position.It is identical with foregoing situation to disconnect connection.

[66]

press paw

4,5 for start, use a kind of instrument 50 that has flat 51.Have a square-section in its end for flat 51, the undersized in described cross section is in the size of 17 3 fens grooves of U-shaped die cavity.

[67] for start press paw 4 not starts adjacent press paw 5, flat 51 of instrument 50 is arranged to the long of L shaped groove 14 and divides in the groove.

[68] for drive press paw 5 not starts adjacent press paw 4, flat 51 is arranged to the growing in minute groove of J-shaped groove 14.

[69] last, for

paw

4,5 is pressed in while start two, then flat 51 is arranged in the horizontal minute groove that U-shaped die cavity 17 extends on two buttons 12.

[70] now describe one and implement modification, wherein, also have a rod member 60 (Fig. 5,10,11,12), be used to make by paw and can get back to its resting position by

paw

4,5.

[71] have a rod member 60 by

paw

4,5 at 19 places, end of its arm 10, described rod member with respect to arm 10 and with the opposition side of fingers 13 bearing of trends on laterally extend.

[72] described rod member 60 ends at a columnar head 61 on itself and arm 10 opposed free ends.

[73] in main body 3, when being on the resting position by paw (Figure 10), columnar head 61 abuts on the inner surface of main body 3.Rod member 60 also is on the resting position self.

[74] when on button 12, applying a pressure, rotate, to be in depressing position (Figure 11) by paw.Rod member 60 elastic bendings, columnar head 61 remain with the surface of main body 3 and contact.

[75] after being applied to pressure on the button 12 and being disengaged, rod member 60 is got back to its resting position, also returns to its resting position thereby drive by paw.

[76] two main bodys 3 are similar.They stagger to each other, so that the entrance hole of described each main body 3 does not align.

[77] implement modification according to one, jockey comprises the main body that quantity is different, perhaps will have some notches and tooth portion by paw erecting device equipped mutually and that be assembled on the main body, can form swivel bearing in the rotational travel by paw.

[78] implement modification according to another, main body comprises two adjacent flexure strips that are the ∑ form.Each flexure strip has sheet that has an aperture, and a conductor element passes described aperture and extends.Pressing on the resting position of paw, conductor element contacts with an edge in aperture.When depressing position, conductor element leaves the edge in described aperture, and a cable is from inserting between described edge and the conductor element or extracting out.As previously mentioned, respectively have the button of a L shaped groove or J-shaped groove respectively by paw outfit one, when all being in resting position with described each button of box lunch, described two grooves form a U-shaped die cavity.

[79] implement modification according to another again, each groove is adapted to T shape, and they are provided with (being mutually mirror image) each other symmetrically, so that the die cavity that extends on two buttons is H shape, its central authorities divide groove laterally to extend.

[80] implement modification according to another again, each groove has a weak point that divides the opposite side of groove to extend in length and divides groove, so that each groove is T-shaped, its level divides groove to be positioned at 11 places, end of close arm.

[81] according to other embodiment, described electric apparatus is a circuit breaker, also can be a terminal connections plate.

[82] shown in the present invention is not limited to and described embodiment, but all enforcement modification have been comprised.

Claims

1. electric apparatus, it has a jockey (1) that connects two cables (40) usefulness, and described jockey comprises:

-be used for two entrance holes (6,7) of described cable (40);

-two flexure strips (30), described each flexure strip is positioned at described entrance hole (6,7) one of opposite, have one separately and keep knuckle (34), described knuckle is suitable for a described respective cable (40) is remained against a conductor element (35,36) on the contact site, described conductor element is connected with the other parts of described instrument;

-two adjacent paws (4 of pressing, 5), the described position that is suitable for controlling respectively the corresponding knuckle in described two knuckles (34) by paw, and has an arm (10), described arm is located first side at a first end (11) and is had a control button (12), and having a fingers (13) in second side relative with first side, described fingers abuts on the described one corresponding knuckle (34); It is movable between a depressing position and a resting position respectively to press paw (4,5), and on described depressing position, described knuckle (34) leaves described contact site, and on described resting position, described knuckle (34) is near described contact site;

It is characterized in that one of described button (12) has a groove (14), described groove has at least one L shaped portion; And another button (12) in the described button has a groove (14), described groove has at least one J-shaped portion, thereby when described each button (12) when all being in resting position, described two grooves (14) form a die cavity (17) jointly, described die cavity has at least one U-shaped portion, parallel minute groove of each of described die cavity is used for holding an instrument (50) on resting position, exclusive to order about it by paw (4,5) be in depressing position, and horizontal minute groove of described die cavity is used to hold an instrument (50), be in depressing position to order about described two simultaneously by paw (4,5).

2. instrument as claimed in claim 1, it is characterized in that, described jockey (1) comprises a main body (3), described two press paw (4,5) with respect to described main body with the rotating manner activity, the described paw (4 of respectively pressing, 5) comprise erecting device (23,24,25), described erecting device has complementary post shapes, with described two by the mutual matched together of paw and be assembled on the described main body (3).

3. instrument as claimed in claim 2 is characterized in that, described erecting device (23,24,25) is positioned on one and the described first end opposite second end (19) of described arm (10).

4. as each described instrument of above-mentioned claim, it is characterized in that described jockey (1) comprises that one is provided with the main body (3) of described entrance hole (6,7), described each fingers (13) comprises a surface (20), on described depressing position, described surface is facing to one of described entrance hole (6,7), described surface (20) is provided with a recess (21), described recess (21) aligns the other parts projection on described surface with described entrance hole (6,7) on depressing position.

5. instrument as claimed in claim 4 is characterized in that, the described recess (21) of described two fingers (13) is adjacent one another are.

6. as each described instrument of above-mentioned claim, it is characterized in that, described jockey (1) comprises a main body (3), described main body comprise be used for described respectively by paw (4,5) one first guide vane end stop and one second guide vane end stop, when the described paw (4 of pressing, when 5) being placed in depressing position and resting position respectively, described guide vane end stop is represented the stroke end of described button (12), accordingly promptly, one first end of described button (12) only leans against on described first guide vane end stop, and a second end opposite with described first end of described button (12) only leans against on described second guide vane end stop.

7. as each described instrument of above-mentioned claim, it is characterized in that the described paw (4,5) of respectively pressing comprises elasticity reset device (60), be used to make describedly be returned on the described resting position from described depressing position by paw (4,5).

8. instrument as claimed in claim 7, it is characterized in that, described jockey (1) comprises a main body (3), and described elasticity reset device comprises a rod member (60), described rod member is positioned on the second end (19) of described arm (10)---and relative with described first end and on described first side, the free end (61) of described rod member (60) abuts on the wall of described main body (3), when the described paw (4 of pressing, 5) when a described position is transformed into described another location, described rod member (60) is suitable for flexibly being out of shape.