CN1237812A

CN1237812A - Connection device especially used for cable terminal or branching

Info

Publication number: CN1237812A
Application number: CN99106910.2A
Authority: CN
Inventors: 让·克里斯多弗·科利; 克里斯托弗·普鲁托
Original assignee: Legrand SA; Legrand SNC
Current assignee: Legrand SNC; Legrand France SA
Priority date: 1998-05-28
Filing date: 1999-05-28
Publication date: 1999-12-08
Anticipated expiration: 2019-05-28
Also published as: AR018378A1; TR199901025A2; EP0961353A1; CN1257579C; TR199901025A3; DE69923497T2; AU3228399A; FR2779278B1; AU745816B2; HUP9901748A3; FR2779278A1; HU223546B1; DE69923497D1; EP0961353B1; HU9901748D0; ES2237056T3

Abstract

The invention relates to a connecting mechanism which has a tubular pedestal 11 between two opening end, fixing means 13 are mounted at the pedestal peripheral, a patch board 17 is mounted on the pedestal, and the patch board includes at least one patch terminal group 18 each of which has two patch terminal 19A, 19B electrically connected with each other, and the patch terminal has patch part 20 for inserting cable or wire 21A, 21B and controlling part 22 for fastening cable or wire. According to the invention, the patch board associated with the pedestal, user can only operate at least the controlling part 22 of a first patch terminal via a first opening end of the pedestal opening ends 12A, 12B, and can only operate at least the controlling part of a second patch terminal via a second opening end of the pedestal opening ends 12A, 12B. In particular, the invention is adapted for cable lead terminal or branching wire.

Description

Be particularly useful for the jockey of cable exit or separated time

The present invention relates to jockey, this jockey comprises a terminal block on a pedestal made from insulating material, this terminal block itself comprises at least one binding post group, a binding post group has two binding posts that are electrically connected each other, each binding post comprises a wiring part, be used to insert a cable or wire, also comprise a control section, be used for fastening cable or wire.

The invention particularly relates to but be not limited to those and be suitable for being installed in a jockey in the terminal box as arbitrary electrical equipment, for example circuit breaker or socket, this terminal box itself constitutes an embedded terminal box, can be installed in arbitrary supporting member, for example wall or the dividing plate, perhaps direct projection arrangements is on supporting member.

In both cases, the fixture that is suitable for device is installed on this supporting member directly or indirectly inserts pedestal from the outside.

The invention particularly relates to the situation that pedestal is general tubulose, so that arranged that according to its axis and the basic surperficial perpendicular direction of bus the fixture that is used to device is installed on this supporting member is arranged between two openends of this pedestal with the supporting member that will dispose.

Jockey with this pedestal is particularly useful for the structure of cable exit.

As shown in the figure, this cable exit can be connected with a lead-in cable or lead, lead-in cable or lead lead in the corresponding terminal box of an outgoing cable or lead, and outgoing cable or lead are to draw from this terminal box, are used to guarantee the connection of arbitrary electrical equipment.

At present, the terminal block of this jockey often is installed on the pedestal as common connecting plate.

Therefore dangerous, the user may extract terminal block out from pedestal more or less when connecing outgoing cable or lead, can run into lead-in cable or lead because of carelessness, and lead-in cable or lead may have voltage.

In other embodiments, terminal block is configured on the plate, release from device and just can connect outgoing cable or lead, like this, has increased the danger that contacts with lead-in cable or lead because of carelessness.

The present invention relates to a kind of layout, stop the possibility of this contact fully, can avoid above-mentioned defective.

More precisely, the present invention relates to a kind of jockey, this jockey has a pedestal that is general tubulose between two openends, outside at pedestal is furnished with fixture, these fixtures are suitable for making device to be installed on arbitrary supporting member, a terminal block is housed on the pedestal, this terminal block comprises at least one group of two binding posts that are electrically connected each other, each binding post comprises a wiring part, be used to insert a cable or wire, also comprise a control section, be used for fastening cable or wire, it is characterized in that, terminal block links to each other with pedestal, its feature also is, the user can only by first openend in the pedestal upper open end at least in the pair of wire connection terminals control section of first binding post operate, and the user can only by second openend in the described openend at least in the pair of wire connection terminals control section of second binding post operate.

Because this layout, when jockey of the present invention is installed on its supporting member, one of operating personnel's butted line plate upper connecting terminal, the control section of binding post that promptly is positioned at forward open end one side of pedestal are operated, on the contrary, the control section of binding post that to another binding post in these binding posts, promptly is positioned at rear open end one side of pedestal carries out action need and dismantles this pedestal.

For example, if the cable exit, so, first binding post, the binding post that promptly is positioned at forward open end one side of pedestal are used to connect outgoing cable or lead.

For this reason, the user can operate its wiring part and control section by the forward open end of pedestal.

Equally, second binding post, the binding post that promptly is positioned at rear open end one side of pedestal are made and are convenient to connect lead-in cable or lead, the user preferably only second openend by pedestal, be that its rear open end just can partly be operated the control section and the wiring of second binding post.

In any case, arrangement according to the invention, when jockey is installed on its supporting member and is the cable exit, the user can be easily as long as directly the binding post of forward open end one side that connects the required single binding post of cable or wire, promptly is positioned at the pedestal of this jockey is operated, for this reason, needn't dismantle earlier.

Therefore, there are not the lead-in cable that unexpectedly touches the protective device back or the danger of lead, thus very safe.

Obviously, can be to second binding post, the binding post that promptly is positioned at rear open end one side of pedestal operates, and still, dismantle jockey of the present invention in advance, just jockey of the present invention is unloaded down from its supporting member.

In other modification, when jockey of the present invention is used for separated time, also be the same.

In this case, if the user dismantles around the plate of the ornamental element of this pedestal the lid and/or the formation of the pedestal of common this jockey of covering, for example to clear up or repair the sheath of supporting member, so, common this jockey of nonintervention.

In addition, according to an embodiment, two binding posts of each binding post group of the terminal block of jockey of the present invention are electrically connected by a metallic plate each other, and two binding posts all link to each other with metallic plate, and back-to-back extend with respect to this metallic plate.

Like this, each binding post all is convenient to direct openend towards pedestal, so that can operate its control section at least.

The metallic plate that back-to-back has two binding posts is preferably flat, and extends on pedestal medium dip ground.

Therefore, the control section of binding post that is positioned at forward open end one side of pedestal also is a diagonally extending, meets the human body characteristics, is convenient to operate.

In fact, for example when jockey of the present invention is installed on the wall, the control section that is positioned near the binding post the forward open end of pedestal preferably up.

Simultaneously, the wiring of this binding post part when jockey of the present invention belongs to the cable exit, is arranged beneficial especially down like this.

Under all these situations, on the terminal block of supporting jockey of the present invention in each binding post group the metallic plate of two binding posts be in tilted layout, also help and make the apparatus structure compactness, make its volume axially still transversely all reach minimum degree.

With reference to accompanying drawing and non-limiting example, feature of the present invention and superiority will be further understood.

Accompanying drawing is as follows:

Fig. 1 is the top perspective view of jockey of the present invention;

Fig. 2 is the face upwarding stereogram of jockey shown in Figure 1;

Fig. 3 is the axial cutaway view along III among Fig. 1-III line;

Fig. 4 is local longitudinal sectional view;

Fig. 5 is the top perspective view of the included cover cap of jockey of the present invention shown in Figure 1;

Fig. 6 is the face upwarding stereogram of cover cap;

Fig. 7 is the stereogram of a binding post group in the terminal block of jockey of the present invention;

Fig. 8 is mounted in the axial cutaway view of first embodiment of a jockey of the present invention on the supporting member;

Fig. 9 is similar to Fig. 8, and second embodiment of jockey of the present invention is shown.

As shown in the figure, jockey 10 of the present invention comprises a pedestal that is general tubulose 11 made from insulating material in known mode own between two openend 12A, 12B, the deployment scenarios that will describe in detail according to the back, the outside of pedestal 11 has fixture 13, and these fixtures are suitable for making device to be connected on arbitrary supporting member 14.

For example, shown in Fig. 8 and 9, this supporting member 14 is walls, and jockey 10 is embedded in the wall at least partly.

In known mode itself, it is fixing accordingly to adopt another supporting member 15 to carry out with mid way.

This supporting member 15 does not belong to the scope of the invention, only is shown in broken lines in Fig. 1 and 3.

But, in Fig. 8 and 9, illustrate in more detail.

For example, as shown in the figure, dispose a kind of framework, this framework comprises a central opening 16, is used for installing and connecting apparatus 10.

Here, supporting member 15 is not given unnecessary details.

With respect to supporting member 15, one of openend 12A, 12B of pedestal 11 for example openend 12A can be regarded as forward open end, as shown in the figure, and the other end among these openends 12A, the 12B, is that openend 12B can be regarded as rear open end.

Shown in Fig. 3,8 and 9, a terminal block 17 is housed on pedestal 11, terminal block 17 comprises that 18, one binding post groups 18 of at least one binding post group have two binding

post

19A, 19B that are electrically connected each other.

In an illustrated embodiment, terminal block 17 comprises the binding post group 18 of layout parallel to each other, and each binding post group 18 has binding

post

19A, 19B.

For example, as shown in the figure, three binding post groups 18 with binding

post

19A, 19B are arranged side by side.

All binding post groups 18 with binding

post

19A, 19B are mutually the same.

Therefore, below in detail one of them only is described in detail.

According to the deployment scenarios that the back will be described in detail, each comprises a wiring part 20 in known mode own binding

post

19A, 19B, is used to insert cable or wire 21A, a 21B, also comprises a control section 22, is used for fastening cable or wire.

According to the present invention, terminal block 17 links to each other with pedestal 11, the user can only be by pedestal 11 upper

open end

12A, 12B first openend, be forward open end 12A at least first binding post of each binding post group 18

middle connecting terminal

19A, 19B on the butted line plate 17, be that the control section 22 of binding post 19A is operated, and the user can only by second openend among openend 12A, the 12B, be rear open end 12B at least to second binding post of each binding post group 18

middle connecting terminal

19A, 19B, be that the control section 22 of binding post 19B is operated.

Shown in embodiment among the figure, the user preferably can be by the second openend 12A, 12B on the pedestal 11, be that rear open end 12B operates control section 22 and the wiring part 20 thereof of the second binding post 19B.

Therefore, when pedestal 11 was installed on the supporting member 15 and be installed on the supporting member 14 by it, the binding post 19B of user on can not butted line plate 17 from the front operated.

The user at least can butted line plate 17 upper connecting terminal 19A control section 22 operate.

Shown in Fig. 1 to 8, when jockey 10 of the present invention belongs to cable exit 24, because as arranging that the back will be described in detail, therefore, the user also can operate in the face of the wiring part 20 of binding post 19A in the past.

But, as shown in Figure 9, when jockey 10 of the present invention belongs to separated time 24 ', forbid that the wiring part 20 of user's butted line plate 17 upper connecting terminal 19A is operated.

In an illustrated embodiment, the cross section of the pedestal 11 of jockey 10 of the present invention, promptly be basically perpendicular to its axis and bus ground thereof and be positive tetragonal profile.

The binding post group 18 with binding

post

19A, 19B of terminal block 17 is parallel to two surfaces 25 respect to one another of pedestal 11 and is extended.

In an illustrated embodiment, the fixture 13 that is positioned at pedestal 11 outsides is configured on the pedestal 11 on two facing surfaces 26 adjacent with aforementioned surfaces 25.

For example, these fixtures 13 in known mode itself on each surface on 11 two surfaces 26 of pedestal, the supporting shoulder 27 that comprises at least one outside lateral projection on pedestal 11 on the one hand, comprise at least one fastening card 28 on the other hand, fastening card 28 links to each other with pedestal 11, also has a locking slot 29 with supporting shoulder 27 with it abreast at a distance of certain distance.

For example, as shown in the figure, two fastening cards 28 are configured on each surface 26 of pedestal 11, and are parallel to each other, and are parallel to the axis and the bus thereof of pedestal 11.

Simultaneously, in an illustrated embodiment, supporting shoulder 27 strictly is configured in sustained height, and these supporting shoulders 27 all belong to a flange 30, and this flange 30 is arranged near the forward open end 12A of pedestal 11, but slightly micro more in the back.

In an illustrated embodiment, with regard to it with regard to pedestal 11 links to each other, terminal block 17 is arranged between a dividing plate 32 and the housing 33, dividing plate 32 links to each other with pedestal 11, between two

openend

12A, 12B, extending within the pedestal 11, housing 33 is connected on the pedestal 11, all be parallel to 32, one on dividing plate inlet 34 be configured to terminal block 17 on the control section 22 of each

binding post

19A, 19B perpendicular.

Shown in embodiment in the accompanying drawing, dividing plate 32 is preferably in pedestal 11 medium dips and extends.

In other words, dividing plate 32 is 90 ° different angles with the axis and the bus of pedestal 11.

In fact, in an illustrated embodiment, dividing plate 32 extends between the zone 35 of one of

openend

12A, 12B of pedestal 11 and a dividing plate 36, dividing plate 36 vertically, promptly the axis of basic and pedestal 11 and bus are divided into two parts 38,38 ' with the internal capacity of pedestal 11 with paralleling, and have a recess 39, this recess 39 is perpendicular to each corresponding inlet 34.

More precisely, in this embodiment, dividing plate 32 extends to the relative end of dividing plate 36 from the forward open end 12A of pedestal 11, and the zone 35 of the forward open end 12A that is attached thereto is formed by the respective edges on one of surface of being furnished with fixture 13 26 of pedestal 11.

The openend of dividing plate 36 from openend 12A, the 12B of pedestal 11 extends to another openend, is basically parallel to the axis and the bus of pedestal 11, more precisely, is basically parallel to the surface of being furnished with fixture 13 26 of pedestal 11.

Differed in size by dividing plate 36 determined two parts 38,38 ' in the internal capacity of pedestal 11, the part 38 ' that terminal block 17 is housed wants big naturally.

Shown in embodiment in the accompanying drawing, dividing plate 32 preferably connects together with pedestal 11, is molded as same member with it, and is same, and dividing plate 36 and pedestal 11 connect together.

In an illustrated embodiment, comprise openend 12A, 12B one side of dividing plate 32 at pedestal 11 from a zone 35 of its extension, promptly in the forward open end 12A of pedestal 11 side, dividing plate 36 is connected with the zone 41 of this openend 12A by a protuberance 40, this zone 41 is relative with zone 35, is formed by hithermost surperficial 26 edge.

In other words, in an illustrated embodiment, pedestal 11 comprises a protuberance 40 at its forward open end 12A, this protuberance 40 local forward open end 12A that hide.

When jockey 10 of the present invention belonged to a cable exit 24, protuberance 40 preferably had a welding connector 42 as shown in the figure.

In an illustrated embodiment, dividing plate 32 comprises a recess 43, on this recess 43 and the terminal block 17 in each binding post group 18 the wiring part 20 of each

binding post

19A, 19B perpendicular so that this wiring part 20 is operated from rear open end 12B one side of pedestal 11.

Shown in Fig. 1 to 8, when jockey 10 of the present invention belongs to a cable exit 24, cover cap 33 itself comprises a recess 44, this recess 44 perpendicular to one of each binding post group 18 middle connecting terminal 19A, 19B on the terminal block 17, be the corresponding wiring part 20 of binding post 19A, so that this wiring part 20 is operated from forward open end 12A one side of pedestal 11.

Therefore, in this case, according to the deployment scenarios that the back will be described in detail, each binding post 19A of terminal block 17 back-to-back comprises two wiring parts 20.

In an illustrated embodiment, dividing plate 32 forms a socket 45, be used to install one of each binding post group 18 middle connecting terminal 19A, 19B on the terminal block 17, be binding post 19B, and housing 33 forms a socket 46, be used for installing

binding post

19A, 19B another binding post, be binding post 19A.

These

sockets

45,46 back-to-back all outwards are communicated with an inlet 34 in the side.

Shown in embodiment in the accompanying drawing, housing 33 preferably is locked on the pedestal 11.

For example, as shown in the figure, housing 33 comprises a fastening card 48 in the forward open end 12A of pedestal 11 side, be locked on the dividing plate 32 by a perforate 49 with this fastening card 48, side at dividing plate 36 comprises at least one fastening card 50, is locked on the dividing plate 36 by a recess 51 with this fastening card 50.

In an illustrated embodiment, two fastening cards 50 are arranged each other at a certain distance abreast.

In an illustrated embodiment, two

binding post

19A, 19B on the terminal block 17 in each binding post group 18 are electrically connected by a metallic plate 52 each other, and each binding post all is connected with this metallic plate.

Shown in embodiment in the accompanying drawing, two

binding post

19A, 19B preferably back-to-back extend with respect to the metallic plate 52 that is attached thereto.

In an illustrated embodiment, metallic plate 52 is flat.

Because be installed between dividing plate 32 and the housing 33, and because the gradient of dividing plate 32 and housing 33, metallic plate 52 itself extends in pedestal 11 medium dips as dividing plate 32 and housing 33.

In an illustrated embodiment, two

binding post

19A, 19B on the terminal block 17 in each binding post group 18 comprise a tubulose post 53, this tubulose post extends substantially perpendicularly with the metallic plate 52 that two binding posts are attached thereto, and forms a wiring part 20 by at least one end of its axial hole 54.

As mentioned above, when jockey 10 of the present invention belongs to a cable exit 24, tubulose post 53 for one of

binding post

19A, 19B, be binding post 19A, form a wiring part 20 in each end of its axial hole 54.

For example, as shown in the figure, the tubulose post 53 of each

binding post

19A, 19B is inlaid on the metallic plate 452 that is attached thereto.

At last, in an illustrated embodiment, each binding post for two

binding post

19A, 19B in each binding post group 18 on the terminal block 17, control section 22 is formed by a screwed hole 56, axial hole 54 lateral cross of this screwed hole 56 and tubulose post 53 make a lock-screw 57 be fixed therewith.

In other words, in an illustrated embodiment, binding post 19A, the 19B on the terminal block 17 is known screw-type binding post.

As shown in Figure 8, when jockey 10 of the present invention belongs to a cable exit 24, the supporting member 15 that can support jockey 10 of the present invention for example is connected on the embedded terminal box 58, embedded terminal box 58 guarantees that device is installed on the supporting member 14, a lead-in cable or a lead, is that cable or wire 21B leads to embedded terminal box 58.

Obviously, earlier cable or wire 21B is connected on the binding post 19B of terminal block 17, again jockey 10 is connected on its supporting member 15.

In an illustrated embodiment, jockey 10 is installed on the supporting member 15 by simple locking mode.

Cable or wire 21A constitutes an outgoing cable or lead, goes up as long as the user guarantees the binding post 19A that this cable or wire 21A is connected on terminal block 17.

In the time of wiring, the user cannot accidentally be contacted by the cable or wire 21B that forms lead-in cable or lead.

Usually, a lid 60 can be inlaid on the pedestal 11 with strictness configuration pin 61 thereon, and lid 60 has a recess 62, is used for outgoing cable or lead 21A.

Usually, a plate 63 that forms ornamental element can be inlaid on the supporting member 15 around pedestal 11 and lid 60 thereof.

Under the situation of separated time 24 ' shown in Figure 9, deployment scenarios is basic identical with the aforementioned arrangement situation, but, cable or

wire

21A, 21B both are arranged in the embedded terminal box 58, cable or wire 21A for example forms lead-in cable or lead, cable or wire 21B forms outgoing cable or lead, perhaps forms the separated time cable or wire.

Therefore, housing 33 does not dispose the perpendicular recess of wiring part 20 with the binding post 19A of perforate end 12A one side that is arranged in pedestal 11.

Equally, lid 60 does not have recess yet.

Obviously, the invention is not restricted to described and shown in embodiment, but comprise all modification.

Particularly, the fixture of jockey of the present invention can be any fixture.

For example, form the framework that the pedestal make jockey of the present invention is directly installed on the supporting member on it and can make one with this pedestal.

In addition, the metallic plate that connects on the terminal block of jockey of the present invention two binding posts in the binding post group can not be flat, but crooked.

Claims

1. jockey, this jockey is at two openend (12A, has a pedestal (11) that is general tubulose 12B), is furnished with fixture (13) in the outside of this pedestal, these fixtures are suitable for making device to be installed on arbitrary supporting member, a terminal block (17) is housed on described pedestal, this terminal block comprises at least one binding post group (18), each binding post group (18) has two binding post (19A that are electrically connected each other, 19B), these binding posts (19A, 19B) all comprise a wiring part (20), be used to insert a cable or wire (21A, 21B), also comprise a control section (22), be used for fastening described cable or wire, it is characterized in that, terminal block (17) links to each other with pedestal (11), the user can only pass through pedestal (11) upper open end (12A, first openend 12B) at least pair of wire connection terminals (19A, 19B) in the control section (22) of first binding post operate, and the user can only pass through described openend (12A, second openend 12B) at least pair of wire connection terminals (19A, 19B) in the control section (22) of second binding post operate.

2. jockey according to claim 1 is characterized in that, the user can only operate control section (22) and the wiring part (20) thereof of second binding post (19B) by second openend (12B) of pedestal (11).

3. jockey according to claim 1 and 2, it is characterized in that, with regard to it with regard to pedestal (11) links to each other, terminal block (17) is arranged between a dividing plate (32) and the housing (33), dividing plate (32) links to each other with pedestal (11), at two openend (12A, extend 12B), housing (33) is connected on the pedestal (11), all be parallel to dividing plate (32), an inlet (34) is configured to go up each binding post with terminal block (17), and (19A, control section 19B) (22) is perpendicular.

4. jockey according to claim 3 is characterized in that, dividing plate (32) extends on pedestal (11) medium dip ground.

5. jockey according to claim 4, it is characterized in that, dividing plate (32) is at the openend (12A of pedestal (11), 12B) extend between one of a zone (35) and the dividing plate (36), described dividing plate (36) longitudinally is divided into two parts (38 with the internal capacity of pedestal (11), 38 '), and have a recess (39), this recess (39) is perpendicular to each corresponding inlet (34).

6. jockey according to claim 5 is characterized in that, dividing plate (36) is basic parallel with the axis of pedestal (11) (12A, 12B) openend in extends to another openend from the openend of this pedestal.

7. according to claim 5 or 6 described jockeys, it is characterized in that, comprise the openend (12A of dividing plate (32) at pedestal (11) from a zone (35) of its extension, a 12B) side, dividing plate (36) is by a protuberance (40) and this openend (12A, a zone (41) 12B) is connected, and this zone (41) are relative with described zone (35).

8. jockey according to claim 7 is characterized in that, protuberance (40) has a welding connector (42).

9. according to the described jockey of one of claim 5 to 7, it is characterized in that dividing plate (36) connects together with pedestal (11).

10. according to the described jockey of one of claim 3 to 9, it is characterized in that, dividing plate (32) comprises a recess (43), and (19A, wiring part (20) 19B) is perpendicular for each binding post in last each the binding post group (18) of this recess and terminal block (17).

11., it is characterized in that dividing plate (32) connects together with pedestal (11) according to the described jockey of one of claim 3 to 10.

12. according to the described jockey of one of claim 3 to 11, it is characterized in that, cover cap (33) comprises a recess (44), and this recess is gone up each binding post group (18) middle connecting terminal (19A, 19B) one of corresponding wiring part (20) perpendicular to terminal block (17).

13., it is characterized in that housing (33) is locked on the pedestal (11) according to the described jockey of one of claim 3 to 12.

14. according to the described jockey of one of claim 1 to 13, it is characterized in that, (19A 19B) is electrically connected by a metallic plate (52) two binding posts in last each the binding post group (18) of terminal block (17) each other, and these two binding posts all are connected with described metallic plate.

15. jockey according to claim 14 is characterized in that, (19A 19B) back-to-back extends with respect to the metallic plate (52) that they connected two binding posts.

16., it is characterized in that metallic plate (52) is flat according to claim 14 or 15 described jockeys.

17., it is characterized in that metallic plate (52) extends on pedestal (11) medium dip ground according to the described jockey of one of claim 14 to 16.

18. according to claim 3 and 15 described jockeys, it is characterized in that, dividing plate (32) forms a socket (45), be used for installing the binding post (19A that terminal block (17) is gone up each binding post group (18), one of 19B), and housing (33) forms a socket (46), is used to install described binding post (19A, 19B) another binding post in.

19. according to the described jockey of one of claim 15 to 18, it is characterized in that, terminal block (17) is gone up two binding post (19A in each binding post group (18), 19B) all comprise a tubulose post (53), this tubulose post extends substantially perpendicularly with the metallic plate (52) that described two binding posts are attached thereto, and forms a wiring part (20) by at least one end of its axial hole (54).

20. jockey according to claim 19, it is characterized in that, go up two binding post (19A in each binding post group (18) for terminal block (17), each binding post 19B), control section (22) is formed by a screwed hole (56), axial hole (54) lateral cross of this screwed hole and tubulose post (53), and a lock-screw (57) is fixed.

21., it is characterized in that terminal block (17) comprises binding post group (18) in parallel with each other according to the described jockey of one of claim 1 to 20, each binding post group (18) all comprise two binding posts (19A, 19B).

22. according to the described jockey of one of claim 1 to 21, it is characterized in that, be arranged in the outside fixture (13) of pedestal (11) on each surface of two apparent surfaces (26) of this pedestal, comprise that on the one hand at least one goes up the supporting shoulder (27) of lateral projection at this pedestal (11), comprise at least one fastening card (28) on the other hand, this fastening card links to each other with described pedestal (11), and same supporting shoulder (27) has a locking slot (29) at a distance of certain distance ground.