CN1650477A

CN1650477A - Field-attachable connector with sliding contacts

Info

Publication number: CN1650477A
Application number: CNA038095815A
Authority: CN
Inventors: 里尔卡多·科米尼
Original assignee: Woodhead Industries LLC
Current assignee: Woodhead Industries LLC
Priority date: 2002-03-01
Filing date: 2003-02-26
Publication date: 2005-08-03
Anticipated expiration: 2023-02-26
Also published as: EP1488479A2; CN100349326C; AU2003230574A1; EP1488479A4; WO2003075407A3; AU2003230574A8; WO2003075407A2; WO2003075407B1

Abstract

A connector includes a contact retainer (18) which is used for fixing a plurality of contact assemblies (22, 23 and 24) as described.

Description

On-the-spot attachable connector with sliding contact

Related application

The application's case is advocated the U.S. Provisional Application case No.60/360 of application on March 1st, 2002, the preferential right of 977 " the on-the-spot attachable connectors with sliding contact ".

Technical field

The present invention relates to be used for the electric connector of the type of manufacturing automation system.Particularly, the present invention relates to improvement, for example this connector is adjusted, provide electrical connection simultaneously to operate described solenoid to be installed on the solenoid body to a din connector.When manufacturing automation system, be extensive use of this connector now.They observe the standard of international endorsement, so that affiliated technical field technical staff understands easily.

Background technology

The prior-art devices that is suitable for (that is, being connected to the position of solenoid or other motor machine actuator at needs) at the scene and sets up necessary electrical connection implements reliable, but sets up trouble of the technology that is electrically connected.For example, need hold-down screw to be used in combination with porose connector block.These connectors need the end of described all leads to peel off, and these peel tip are positioned in the relevant connector block.Leaning on described all leads then and tightening with hold-down screw, firmly making described all leads and fixedly contact element engagement, wherein said all fixedly contact elements are adjustable to realize electric coupling with the contact element of described solenoid or other actuator.

Summary of the invention

The present invention has improved the functional and reliability of existing connector design, and can promote many connecting wires in the cable are received on-the-spot a connector or substituted on-the-spot existing a connector.

Especially, consider describedly, the present invention provides a metal tape with closed structure for each contact of described connector, and it is received in the contact fixture of described connector slidably.Each band all has a central opening, and wherein said band is to be made of metal conductively and preferably, and described central opening can elongate with the shape of rectangle, to receive the peel tip of a lead therein.Described lead is placed between a described band and the knife contact, wherein said band is slidably with respect to described contact fixture, and described knife contact is fixed on the described contact fixture and be adjustable to be couple to described solenoidal one relevant contact element.In each band, all receive a threaded screw is arranged.When rotating described screw, the peel tip that promptly forces described band and to be received in the lead in the center socket of described band is meshed described, and the free end of described screw is fixed described contact in position.Force described lead to be meshed, so just set up electrical connection with described contact.Therefore, be fixed on regard to peel tip in the opening of relevant band, between described band and described contact every lead; And between the described lead that described contact is fixed on described tip of screw and contacts.

A significant advantage of this configuration is, moment of torsion for the basically identical on described hold-down screw, having obtained one between the electric contact of described connector and described lead-in conductor engages reliably and repeatably, when described tip of screw and described lead directly mesh, be to be difficult to realize this reliable contact.Believe at the scene under the situation of assembling this advantage particular importance and convenient that will seem.

In conjunction with alterations, from the detailed description of the following embodiment that sets forth, further features more of the present invention and advantage will be apparent for affiliated technical field technical staff, and wherein the same reference numbers in different views is represented similar part.

Description of drawings

Fig. 1 is the perspective view that a scene with three contact sub-assemblies constructed according to the invention can connect connector, and part is wherein represented with exploded relationship;

Figure 1A is the perspective upper view that the described scene of Fig. 1 can connect a contact fixture of connector, has wherein set forth described all leads are prepared and the process that is assembled to its relevant contact sub-assembly;

Fig. 2 one can connect the vertical view of connector in conjunction with the present invention and scene with four contact sub-assemblies;

Fig. 3 is a vertical cross-section diagram along the sight line 3-3 of Fig. 2 intercepting;

Fig. 4 is the upward view of the described connector of a Fig. 2;

Fig. 5 is a vertical cross-section diagram along the sight line 5-5 of Fig. 2 intercepting; And

Fig. 6 is a vertical cross-section diagram along the sight line 6-6 of Fig. 3 intercepting, and has showed the element of described connector with the relation of decomposition.

Embodiment

Fig. 1 and Figure 1A have illustrated that one has three scenes that contact sub-assembly and can connect connector in conjunction with of the present invention, and Fig. 2-6 has illustrated described connectors with four contact sub-assemblies.Some of them assembly and some structures are general for the embodiment with three or four or more a plurality of contacts, represent the element that these are general at its available same reference number in identical or closely similar place, this is understandable for affiliated technical field technical staff.

At first forward Fig. 1 to, will carry out best explain briefly the primary clustering and the element of described connector so that be more readily understood ensuing detailed description, and place it in described complete connector on the whole hereinafter.

The shell 42 of one routine receives a cable (seeing 10 among Figure 1A) by a cable inlet 47.The peel tip of lead in the described cable is assembled into

contact sub-assembly

22,23 and 24, and wherein each includes a contact 28.Described all contact sub-assemblies are received in the socket (as 62 indications of contact sub-assembly 22), and wherein said socket-shaped is formed in the top of a contact fixture 18.One contact retainer 26 is positioned on the described contact fixture and described all contact sub-assemblies is fastened in its associated socket.In described second embodiment, will disclose a kind of alternative retainer.If necessary, a printed circuit board (PCB) 14 is positioned on the described retainer 26.Place described all lead-in conductors so that its hole that is fit in passing described printed circuit board (PCB) 14 and contacting retainer 26.As below describing, the top of described all contacts 28 can be connected to described printed circuit board (PCB).

When extracting cable out, just described contact fixture, contact sub-assembly, contact retainer and printed circuit board (PCB) can be placed in the described shell then by the cable inlet 47 of described shell.Tighten a clamp nut 49, so that described cable is fixed and is sealed in the described shell.One pad 87 is assembled to the bottom of described insert, and, if use a pad retainer 92, described pad retainer 92 is assembled on the described contact fixture 18.By described retainer screw 46 described connector is fixed on the described solenoidal shell then, this is understandable for affiliated technical field technical staff.

Forward Figure 1A now to, reference number 10 generally is meant a cable, and it comprises the three eradication edge leads that refer to respectively by 11,12 and 13.Each insulation far-end of described all lead 11-13 is all peeled off, and to expose a part of conductor, just shown in the 11A of lead 11, this can understand for affiliated technical field technical staff.The far-end of peeling off and form every lead 11-13 protrudes to contact fixture to one of 18 indications downwards.In described figure, contact fixture 18 all separates with its associated enclosure and its solenoid body of desiring to be assembled to, also will do below further to disclose, and be known still for affiliated technical field technical staff.

Contact fixture 18 is applicable to three leads and uses as described in shown in Figure 1A, such as the armoury wire of 11-13 indication.Yet generally speaking, such connector (comprising in conjunction with those sub-assemblies of the present invention) can hold three or four leads and circuit.In Fig. 2-6, just represented the embodiment of one or four leads of the present invention, hereinafter also will be further described.

Described contact fixture 18 can be a molded insulating material, and it is shaped as a cube usually, and has four independent sides, such as the side of 19 and 20 indications among Figure 1A.In Figure 1A, generally represent and contact sub-assembly with 22,23 and 24.In these two embodiment, each among described all contact sub-assembly 22-24 all is similar on 26S Proteasome Structure and Function, makes only one of them need be described in further detail and get final product for complete understanding the present invention.

In Figure 1A, a described part with described wall 20 is excised to be illustrated more clearly in the structure of described contact sub-assembly 22.Described contact sub-assembly 22 comprises that one has enclosed construction (or solid construction) and in order to make lead have the screw 29 of screw thread by conductive strips 27, one knife contacts (or Connection Element) 28 and with a central opening 31.

Describe each element in these elements in more detail below in conjunction with the embodiment of Fig. 2-6, but at first need the description of summarizing, to help understanding operation of the present invention.

In the illustrated embodiment, describedly be with 27 can make, and it have the external dimensions of essentially rectangular on a horizontal plane, so the wall of four connections of arranging by rectangle just is provided and has determined described center socket or opening 31 with metal.Describedly be with 27 to be received in a socket or the recess slidably and to fix with retainer 26, wherein said socket or recess are formed in the described contact fixture 18 (sees 62 among Fig. 1).The top 65 of one hard contact 28 is received in in 27 the opening 31 and extend on the retainer 26.Allow describedly to slide with 27 sockets along described contact fixture, wherein said band just is received in the described socket.The mode of tightening with screw thread is received in described screw 29 with described described in the screwed hole in 27 the thicker abuts with wall 30, makes it enter in the opening 31 and is meshed with described knife contact 28.Described contact 28 is driven in or otherwise be fixed in the described contact fixture 18.Describedly be with 27 can in described recess socket or socket 62, slide, describedly just described band can be received in described socket or the recess when being with 27 when described screw 29 is screwed into.One block 25 is fixed on the described contact fixture 18 limiting its motion, and prevents that described screw 29 breaks away from fully.

The stripped distal end of described lead 13 is fit to the described opening 31 of described contact zones 27, wherein said opening is between described top with 27 wall far away 25 and fixing described knife contact 28, make when described screw 29 is screwed into described when being with in 27, describedly move and be meshed towards described lead, force described lead to be meshed and apply a pressure on described lead with described contact 28 with described lead with 27 wall 25.This just forces described contact 28 to realize being electrically connected with the peel tip of described conductor 13, is electrically connected to set up between described lead and described knife contact 28.The type of action of

other contact sub-assembly

23,24 is identical with described contact sub-assembly 22, and such as description its each all have identical structure.

Forward to now shown in Fig. 2-6 as described in embodiment, it has showed one in conjunction with connector of the present invention, its have four the contact sub-assemblies to hold one or four leader cable (not shown)s.Therefore, the described connector of Fig. 2-6 comprises respectively by what 32,33,34 and 35 four of representing separated and contacts sub-assembly, its be disposed at shown in Fig. 2-4 one roughly on the side of square contact fixture 43.Described all contact sub-assembly 32-35 can be similar each other and can be with aforesaid described to contact sub-assembly similar, make only need describe one of them and get final product in order to understand the present invention.It is described to hold four supporting knife contacts that use usually on solenoid to adjust described all contact sub-assembly 32-35, described all contact sub-assemblies are included in three c-shaped in cross section knife contacts, and through adjusting to be received in described in the corresponding groove 38-40 that represents in the bottom of described connector (see figure 4).Two grooves among described all groove 38-40 are used for data wire, and the 3rd is power line.In the bottom of described connector a straight trough 41 is arranged also, it is through adjusting to receive knife-edge grounding connector always, and this is affiliated

Technical field is known.

With reference now to Fig. 3,, the described contact fixture 43 of described four contact connectors has been determined a lower chamber 44, and with catch-holder member 9, wherein said chamber opening is towards the bottom of described connector.With 42 representatives in Fig. 3, one has roughly, and the shell of square horizontal cross-section receives the top that is positioned at described contact fixture 43.Described shell 42 comprises four sidewalls and a roof, and its center is porose receiving a conduit 45, and described conduit is to be used for receiving a retainer screw 46, and described screw can be fastened to described connector on the described solenoidal main body, and it is conventional.Described shell 42 also comprises a cylindrical cable inlet 47, it extends to the side (see figure 1) of shell and have an internal thread opening (representing with 48) in Fig. 1 and Fig. 3 (similar to cable 10 to receive described connector cable extremely to be assembled, but have four leads in the present embodiment, and also not shown in Fig. 3 for brevity) described.One clamp nut, 49 (see figure 1)s are positioned on the described cable and are received in by screw thread in the described cable inlet 47 of shell 42.One annular flexible gasket 50 and packing ring 51 can be received in the opening 48, be used for when described clamp nut 49 is tightened, with described cable seal and be fastened on the described connector shell, this is also known by the people in affiliated technical field.

Forward Fig. 6 now to, can see described all assemblies of the described connector that is in the exploded relationship, observe and describedly have described cable 10 to extend into the connector on plane of this page described.Described shell 42 is the elements that separate with the described fixture 43 that contacts.One contact retainer 52 is received on the top of described contact fixture 43, and describedly comprises that four are hung door bolt 53, and its center from each lateral parts begins to extend downwards and enter the chamber 44 of described contact fixture.Described all suspensions door bolt 53 has barb as can be seen at 54 places, to catch in the bottom of the center of described contact fixture pedestal 55, is used for described retainer 52 is fastened on the described contact fixture.Front portion in Fig. 6 or inside can see that one of them hangs door bolt 53.The top of described retainer 52 comprises a smooth outer part 59, it has determined the hole such as 60 indications, be used for routing to each connector in the described contact fixture 43, and when being fixed on described all contact sub-assemblies in the corresponding socket 62, allow described all contacts to extend to described printed circuit board (PCB).Number according to the contact sub-assembly is required, and described contact fixture 43 can be determined a plurality of sockets 62.

Forward described contact sub-assembly and relative socket 62 then to, each contact sub-assembly includes a knife contact 28 (having four among the embodiment shown in Fig. 2-6), its have smooth central engagement part 64, one upwardly extending protuberances 65 (described its shown in Figure 1A from as described in core 64 form branch to both sides) and the

leg

66,67 of two

suspensions.Leg

66,67 comprises near it than lower part and be positioned at the relative contact area or the

liner

69,70 of the below of an enlarged openings 71.Described all

contact portions

69,70 are separated to receive the blade of a supporting Connection Element, described supporting blade upwards is installed in the described enlarged slot 71, and

leg

66,67 provides a contact force on described all

liners

69,70, to set up required electrical connection and electrical connection.

Described opening between described all

liners

69,70, and described enlarged openings 71 and a described groove 74 that contacts in the fixture 43 aim at, in order to receiving a contact element of described mating connector, it is corresponding with among the groove structure 38-41 one among above-mentioned Fig. 4.

The top of described socket 62 is extended, to determine a peripheral shoulder or flange 76 (Fig. 6).When being placed in described contact 28 in the described socket 62, a pair of outward extending protuberance 77 on the described contact 28 is on described all opposed side edge of described shoulder 76.Described contact retainer 52 carries out described all contact sub-assemblies suitable fastening.When allowing described band on the axis direction of described screw 29, to move or sliding, the enlarged on the top of described socket 62 can be carried out adjusted size and describedly be with 27 to receive.Described conductive strips 27 are received on the central part 64 of described contact 28, and around described central part 64.As will be explained, when allowing described band, described with 27 tops that are in the protuberance 77 of described contact 28, described contact is fastened on vertically suitable position to side slip.Load onto barb for the top (as in 78,79 position) of the

leg

66,67 of described contact 28, described contact element is fixed on low, narrower slightly part as socket 62 as described in 80 representatives among Fig. 6.Like this, just described contact has been fixed on the described contact fixture, but describedly may and in its socket, be parallel to axially moving of described screw 29 with respect to its associated contact 28 with 27.

Forward Fig. 2 now to, as indicated earlier, described shape with 27 is generally rectangle, be received in described socket 62 by in last, the enlarged, and be directed to there so that it can being displaced sideways by last, central engagement part 64 with respect to described contact 28.As mentioned above, describedly be with 27 thicklyer at one end 30 places, and have a tapping hole, the mode of its available screw thread receives described screw 29.The far-end of described screw 29 or drive end are positioned at the position of mate 64 of described center, the expansion of contiguous described contact 28.Block shown among Fig. 2 82 (similar with aforesaid block 25) is fastened on contacting in the fixture of each connector, to limit its motion and to prevent the disengaging of described screw 29.When described screw 29 is screwed into describedly when being with in 27 by screw thread, described part 64 has just formed a mating surface of the end of described screw 29.Preferably as shown in Figure 2, as mentioned above, an opening 85 has been determined in the described inside with 27 on the opposite side of described contact 28, to receive the described peel tip (see figure 5) of an aforesaid wherein lead.The described protuberance 65 of described contact 28 extends on the described lid 59, and pass a conventional printed circuit board (PCB) 87, if desired, described printed circuit board (PCB) can be in the top of described retainer, and below described shell 42 upper surfaces, this knows in the affiliated technical field institute that behaves.

On the bottom of described contact fixture 43, receive an outer spacer 87.The bottom insert of described contact fixture 18 comprises an outer otch 88, and it receives a tongue 90 that extends internally of described pad 87.Described pad 87 being fastened on the described contact fixture 18 of described shell 42 than lower part.Described pad 87 is adjustable to be on the described solenoidal shell and to it and seals, can described connector be fixed on the described solenoid by described screw 46 (Fig. 1), wherein said screw extends through described pedestal 55, and enter a corresponding internal thread opening in the described solenoid cover, this affiliated technical field behave know.One pad retainer 92 has one and extends upward part 93, can adjust with in the described chamber 44 that closely is received in described insert 43 its size, during described connector is installed described pad 87 being positioned over the appropriate location, this knows in the affiliated technical field institute that behaves.

For summing up advantage of the present invention, as required, described contact fixture 43 can be adjusted into two, three or four contact sub-assemblies.Each contact sub-assembly comprises a contact element, and described its has a core, and described core can be used as the mesh regional of a screw, and wherein said screw is received in the band around the top of described contact.Described band is determined an opening, to receive the described peel tip of a lead.When the described peel tip with described lead is placed in the opening of described band, just tighten the screw in the described band, to force the engagement of described lead and described contact.Like this, described lead conductor just is clipped between the described contact and described band of described connector; And can set up quickly and easily one closely, fastening and be electrically connected reliably.This does not need special instrument or any professional technique, just can help in the shortest time at the scene the replacement to connector.

After leads that all are needed are connected to described contact fixture and described all related connectors, described contact fixture 43, pad 87 and retainer 92 (if you are using) are assemblied in the described shell 42, and the cylindrical cable inlet part 47 at described shell 42 is pulled outwardly described cable then; And described clamp nut 49 is screwed in the described connector shell, forming a sealing by sealing gasket 50, wherein said sealing gasket launches and forms a sealing between the outer surface of the inwall of described opening 48 and feeder cable.

When continuing to put into practice principle of the present invention, although disclosed embodiment set forth in the present invention in detail, the person of ordinary skill in the field still can revise and disclose certain structure, and the element that the element of being set forth is replaced with equivalence; Therefore desire includes all described all modifications and replacement in the spirit and scope of accessory claim.

Claims

(according to the modification of the 19th of treaty)

1, a kind ofly be adjustable to be connected to an electric connector with cable of complex root lead, it comprises:

One shell, it comprises that one is used for receiving the inlet of described cable;

One contact fixture is used so that each root in the described lead can both be received in the described shell movably, and is comprised a groove;

One connector, it is installed in each groove, and to be connected to an associated conductors in the described lead, each connector comprises:

One conductive strips, it has determined an opening, adjusts described size and can receive the relative part with first and second of an associated conductors, described first has relatively partly determined an internal thread hole;

One screw member is received in it in described internal thread hole of described band; And

One contact element, it is adjusted to be connected to a supporting connector, and be received near the described opening of the related band the described screw member, wherein said contact element is a general planar hardware, it has the first and second suspension legs placed apart, to electrically contact the connecting element of relation reception one mating connector;

Whereby, in the described centre bore that a lead is placed on the described second portion that is in described band and the described band between the described contact element, and when tightening described screw member, described screw member offsets with regard to the lead that forces described contact element and described insertion, to set up electric continuity between a related contact element of lead of described cable and described connector.

2, connector according to claim 1, described first and second legs that separate in the wherein said contact element have the facing edge, and each edge all possesses a liner, is used for meshing and set up electric continuity with a connector element of a mating connector.

3, connector according to claim 1, wherein said contact element further comprises a core, it is adjustable to engage by the tip of an associated threads member, a fixation pressure is applied to described conductor part it is offseted with the described second relative part of described band to force.

4, connector according to claim 3, the described core of wherein said contact element comprises a barb part, is used for relative wall engagement with a groove of described contact fixture, so that described contact element is fastened in the described contact fixture.

5, connector according to claim 3, wherein the described core of a contact element further comprises outward extending first and second protuberances, it is adjustable to mesh with the described shoulder that contacts an associated recesses of fixture when it inserts core, described contact element is placed in the described contact fixture, described connector further comprises a retainer, it has covered the top of described protuberance, is offset out from described groove to prevent described contact element.

6, connector according to claim 1, wherein said band are straight lines substantially, and it has four walls, has determined described opening, and wherein its described relative part is a wall.

7, connector according to claim 6, wherein said contact element further comprises a protuberance, and it extends upward on its association band;

Described connector further comprises a printed circuit board (PCB), and it receives the protuberance of described contact element with the relation that electrically contacts.

8, connector according to claim 1, it further comprises a fastener, is used for described shell is fastened on the main body of supporting described mating connector with the described fixture that contacts.

9, connector according to claim 8, wherein said contact fixture comprise a vertical part, and it is adjustable to receive described fixer device and determines that one has the pedestal of a base;

Described connector comprises that further one has the retainer of barb, and the described base that its barb is adjustable to extend downwardly into described contact fixture and is fixed to described pedestal is to be fastened to described band in the described contact fixture.

10, connector according to claim 1, wherein said cable inlet comprises the parts that are used for the described inlet of described cable seal.

11, connector according to claim 10, wherein said seal member comprise that external screw thread coupling nut and is adjustable to be received in the sealing gasket on the cable;

Described coupling nut is received by the mode of described cable inlet with screw thread, forms sealing relationship to force described sealing gasket and described cable.

12, connector according to claim 1, it comprises four independently conductive strips, it is arranging about the mode of described contact fixture quadrature, and each conductive strips all is adjustable to receive by a bottom surface of described contact fixture the contact element separately of a mating connector.

13, connector according to claim 12, wherein said contact fixture is determined a lower center cavity, described connector further comprises a pad retainer, and it comprises an outer rim, is used for a bottom of described shell is sealed to the main body of a fastening described mating connector;

Described pad retainer comprises an extension, and it is adjustable to receive and removably be fastened in the described chamber of described contact fixture.

Claims

1, a kind of through adjusting in order to be connected to an electric connector with cable of complex root lead, it comprises:

One contact fixture is used so that each root in described all leads can both be received in the described shell movably, and is comprised a socket;

One connector, it is installed in each socket, and to be connected to an associated conductors in described all leads, each connector comprises:

One conductive strips, it determines that a size addressed described first and second opening of part relatively through adjusting to receive an associated tracks, described first has relatively partly determined an internal thread hole;

One contact, it is through adjusting being connected to a supporting connector, and is received near the described opening of the related band the described screw member;

Whereby, in the described centre bore of the described band between described second wall that a lead is placed on described band and the described contact, and when tightening described screw member, described screw member just forces the lead of described contact near described insertion, is electrically connected to set up between a relevant contact element of a lead of described cable and described connector.

2, connector according to claim 1, wherein said contact are the hardwares of a general planar, and it has the first and second suspension legs that separate, in order to receive a connector element to electrically contact relation from a mating connector.

3, connector according to claim 2, described first and second legs that separate in the wherein said contact element have the facing edge, each described edge all possesses a liner, is used for meshing and set up the described relation that electrically contacts with a contact of a mating connector.

4, connector according to claim 2, wherein said contact further comprises a core, it is adjustable to mesh by the far-end of an associated threads member, is used for described forcing and a bed knife is applied to described lead it is offseted with the described second relative part of described band.

5, connector according to claim 4, the described core of wherein said contact comprises a barb part, is used for relative wall engagement with a socket of described contact fixture, is fastened in the described contact fixture with described contact.

6, device according to claim 4, wherein the described core of a contact further comprises outward extending first and second protuberances, be adjustable to when it inserts core, mesh with the described shoulder that contacts an associated socket of fixture, described contact is placed in the described contact fixture, described retainer has covered the top of described protuberance, is offset out from described socket to prevent described contact.

7, connector according to claim 2, wherein said band are straight lines substantially, and it has four walls determining described opening, described and wherein its described relative part be wall.

8, connector according to claim 7, wherein said contact element further comprises a protuberance, and it extends upward on its association band;

Described connector further comprises a printed circuit board (PCB), and it receives the protuberance of each described contact with the relation that electrically contacts.

9, device according to claim 1, it further comprises a securing member, is used for described contact shell is fastened on the main body of supporting described mating connector with the described fixture that contacts.

10, device according to claim 9, wherein said contact fixture comprise a vertical part, and it is adjustable to receive described securing member and determines that one has the pedestal of a base;

Described device comprises that further one has the retainer of barb, and the described base that it is adjustable to extend downwardly into described contact fixture and is fastened to described pedestal is to be fastened to described band in the described contact fixture.

11, connector according to claim 1, wherein said cable inlet comprise and being used for the parts of described cable seal to described inlet.

12, device according to claim 11, wherein said containment member comprise that external screw thread coupling nut and is adjustable to the sealing gasket that receives through a cable;

13, connector according to claim 1, it is characterized in that described plural contacts comprises four independently connectors, it is arranging about the mode of described contact fixture quadrature, and each all is adjustable to receive by a bottom surface of described contact fixture the contact element of a mating connector.

14, device according to claim 13, wherein said contact fixture is determined a lower center cavity, described device further comprises a pad retainer, and it comprises an outer rim, is used for a bottom of described shell is sealed to the main body of a fastening described mating connector;

The retainer of described parts comprises an extension, and it is adjustable to receive and removably be fastened in the described chamber of described contact fixture.