The utility model content
The purpose of the utility model is to provide a kind of conductivity more stable, fixing more firm cable straight joint.
An aspect according to the utility model provides a kind of terminal box, terminal box terminal box body; First electric-conductor and second electric-conductor, terminal box body comprise bearing structure, line chamber, incoming line, line outlet, and bearing structure and line chamber lay respectively at the both sides of terminal box body; Incoming line and line outlet are arranged on the box wall of a side opposite with the opening direction of bearing structure; Bearing structure comprises the plate face towards inlet wire loading plate in the opposite direction and outlet loading plate, and first electric-conductor, one end is located in the line chamber, and the other end is located on the inlet wire loading plate; Second electric-conductor, one end is located in the line chamber, and the other end is located on the outlet loading plate.
In some embodiments, the line chamber is not provided with on two lateral box walls of incoming line and line outlet and is respectively equipped with depressed part.The user can better grasp terminal box through depressed part when grasping terminal box, avoid because the terminal box smooth surface causes terminal box accidental when grasping.
In some embodiments, the upper end, surface in first electric-conductor, one side is provided with clamping structure on the line chamber.The edge clamping of the chuck of clamping structure through leading portion and slide rheostat, make be connected between terminal box and the slide rheostat tightr, difficult drop-off.
In some embodiments, the terminal box body comprises terminal box the first half and terminal box the latter half, and terminal box the first half and terminal box the latter half are L-shaped, and terminal box the first half is connected through rivet with terminal box the latter half." L " shape structure makes inlet wire loading plate and outlet loading plate be oppositely arranged, and has saved this body and function of terminal box material, and rivet connects combination first latching structure makes terminal box the first half be connected more firm with terminal box the latter half with second latching structure.
In some embodiments, the line chamber is not provided with on two lateral box walls of incoming line and line outlet and is respectively equipped with first latching structure, and the box wall between incoming line and the line outlet is provided with second latching structure.Through latching structure terminal box the first half and terminal box the latter half are blocked, made connection more closely with firm, and be convenient to dismounting.
In some embodiments; Plug link on first electric-conductor and second electric-conductor comprises: fixed part, and elastomeric element and conductive contact, elastomeric element is a conducting strip near an end of middle interconnecting piece; Conducting strip is arranged at the fixed part top; Elastomeric element comprises a plurality of spring parts away from an end of middle interconnecting piece, and spring part evenly forms a plurality of arch bridges, and the side that fixed part is not set at arch bridge is provided with two conductive contacts.Electric-conductor is the attached cable line preferably, in the process that binding clip moves, guarantees electric conductivity, has prolonged useful life
Description of drawings
Fig. 1 is the terminal box decomposing schematic representation of the utility model one execution mode;
Fig. 2 is the terminal box sketch map of the utility model one execution mode;
Fig. 3 is the left view of the terminal box of the utility model one execution mode;
Fig. 4 is the right view of the terminal box of the utility model one execution mode;
Fig. 5 is the front view of the terminal box of the utility model one execution mode;
Fig. 6 is the rearview of the terminal box of the utility model one execution mode;
Fig. 7 is terminal box the latter half structural representation of the utility model one execution mode;
Fig. 8 is terminal box the latter half vertical view of the utility model one execution mode;
Fig. 9 is terminal box the latter half upward view of the utility model one execution mode;
Figure 10 is terminal box the first half upward view of the utility model one execution mode;
Figure 11 is terminal box the first half vertical view of the utility model one execution mode;
Figure 12 is the terminal box clamping structure sketch map of the utility model one execution mode;
Figure 13 is the electric-conductor sketch map of the terminal box of the utility model one execution mode;
Figure 14 is that the A of Figure 13 is to sketch map;
Figure 15 is the user mode sketch map of the terminal box of the utility model one execution mode.
Embodiment
Below in conjunction with description of drawings the utility model is done further detailed explanation.
Fig. 1-14 has schematically shown the terminal box according to a kind of execution mode of the utility model.As shown in the figure, terminal box comprises terminal box body 100, first electric-conductor 201 and second electric-conductor 203.
Terminal box body 100 is square, and terminal box body 100 comprises bearing structure 101, line chamber 103, incoming line 105, line outlet 107 and clamping structure 109.Bearing structure 101 is positioned at terminal box body 100 latter halfs, and line chamber 103 is positioned at the first half of terminal box body 100, and the box wall of a side relative with bearing structure 101 is provided with incoming line opposite with bearing structure 101 opening directions 105 and line outlet 107.Bearing structure 101 comprises inlet wire loading plate 111 and outlet loading plate 113, and inlet wire loading plate 111 is measure-alike with outlet loading plate 113, and inlet wire loading plate 111 flushes with outlet loading plate 113 in the horizontal direction.Inlet wire loading plate 111 and outlet loading plate 113 surface depressions, and inlet wire loading plate 111 and outlet loading plate 113 plate faces are towards in the opposite direction.First electric-conductor, 201 1 ends are located in the line chamber 103; The other end is located on the inlet wire loading plate 111; Second electric-conductor, 203 1 ends are located in the line chamber 103, and the other end is located on the outlet loading plate 113. and the side surface upper end in first electric-conductor 201 on the line chamber 103 is provided with clamping structure 109.Online chamber 103 is not provided with on two lateral box walls of incoming line 105 and line outlet 107 and is respectively equipped with first latching structure 115,117, and the box wall between incoming line 105 and the line outlet 107 is provided with second latching structure 119.
Shown in Fig. 7-9, terminal box body 100 is made up of terminal box the first half 301 and terminal box the latter half 401.Wherein terminal box the latter half 401 is " L " shape, comprises first recess 403, inlet wire loading plate 111, inlet wire chamber lower cover 405 and wire cavity lower cover 407.Inlet wire loading plate 111 is offered first recess 403 away from an end of incoming line 105.Be respectively arranged with lower recess breach 409,411 on inlet wire chamber lower cover 405 and wire cavity lower cover 407 outside terminal box walls, the terminal box wall is inboard to be respectively arranged with riveted joint inlet 413,415 with two lower recess breach, 409,411 relative positions.Inlet wire loading plate 111 both sides are respectively equipped with first insulation barrier, 417,419, the first insulation barriers 417,419 and are provided with inlet wire chamber locating piece 421,423 away from first recess, 403 1 end both sides.Inlet wire chamber lower cover 405 antethecas and first recess, 403 opposite positions are provided with inlet wire lower half circle nock 425.Inlet wire chamber lower cover 405 inner surfaces are provided with the first lower half circle arc fluting 427 that is complementary with inlet wire lower half circle nock 425.Wire cavity lower cover 407 is provided with the outlet lower half circle nock 429 corresponding with inlet wire lower half circle nock 425, and wire cavity lower cover 407 inner surfaces are provided with and the outlet lower half circle nock 429 corresponding second lower half circle arc flutings 431.Be respectively equipped with the first kayser latch closure 435,433 on terminal box the latter half 401 left and right sides box walls, be provided with the second kayser latch closure 437 between inlet wire lower half circle nock 425 and the outlet lower half circle nock 429.
Shown in Figure 10-11, terminal box the first half 301 is " L " shape, comprises second recess 303, outlet loading plate 113, wire cavity loam cake 305 and inlet wire chamber loam cake 307.Outlet loading plate 113 depression indentation, there are provided with opening direction second recess 303 opposite with line outlet 107 opening directions.Be respectively arranged with on wire cavity loam cake 305 and inlet wire chamber loam cake 307 lateral walls with lower recess breach 409,411 corresponding go up depression breach 311,309.Box wall inboard is provided with and the riveted holes post 315,313 of riveting corresponding, the consistent size in inlet 413,415 positions.The outlet loading plate left and right sides is provided with second insulation barrier, 317,319, the second insulation barriers 317,319 and is provided with wire cavity locating piece 321,323 away from second recess, 303 openings, one end both sides.Wire cavity loam cake 305 sidewalls are provided with the outlet upper semi-circle nock 325 corresponding with outlet lower half circle nock 429 positions, that openings of sizes is complementary.Wire cavity loam cake 305 inner surfaces are provided with the second upper semi-circle arc fluting 327 that is complementary with the second lower half circle arc fluting 431.Inlet wire chamber loam cake 307 is provided with the inlet wire upper semi-circle nock 329 that is complementary with inlet wire lower half circle nock 425 openings of sizes, and inlet wire chamber loam cake 307 also is provided with and the first lower half circle arc fluting, the 427 corresponding first upper semi-circle arc flutings 331.Be respectively equipped with the first kayser piece 335,333 on terminal box the first half 301 left and right sides box walls, be provided with the second kayser piece 337 between inlet wire upper semi-circle nock 329 and the outlet upper semi-circle nock 325.
Shown in figure 12, clamping structure 109 is fixed on the outer surface of terminal box the first half 301 through bracing frame 125.Clamping structure 109 is divided into chuck end 127 and folder tail end 129.Chuck end 127 is a clamp clip 131, clamp clip 131 intermediate recess, and the edge is provided with chuck 133 in the middle of clamp clip 131 lower surfaces.
Like Figure 13, shown in 14, first electric-conductor 201 is identical with second electric-conductor, 203 structures, and electric-conductor comprises plug link 205, cable connection folder 207 and middle interconnecting piece 209.Plug link 205 and cable connection press from both sides 207 and are connected through middle interconnecting piece 209.Cable connection folder 207 is a U-shaped conductive clip, and during use, cable is put into the U-shaped mouth, with instrument the U-shaped mouth is tightened up into hollow cylindrical again, and then cable is clamped in the conductive clip.
The bilateral symmetry of U-shaped conductive clip and middle interconnecting piece 207 junctions is provided with and inlet wire chamber locating piece 421,423 and wire cavity locating piece 321,323 corresponding draw-in grooves 227,229; Draw-in groove 227,229 is used for electric-conductor is fixed on inlet wire locating piece 421,423 or outlet locating piece 321,323, does not become flexible.
Plug link 205 comprises: fixed part 211, elastomeric element 213 and conductive contact 223,225.Fixed part 211 is provided with two first riveted holes 231,233.Elastomeric element 213 is a conducting strip 217 near an end of middle interconnecting piece 209.Conducting strip 217 is provided with two, size corresponding to second riveted holes 235,237 corresponding with first riveted holes, 231,233 aperture positions, and conducting strip 217 is arranged at fixed part 211 tops.Elastomeric element 213 comprises some spring parts 219 away from an end of middle interconnecting piece 209, and spring part 219 evenly forms a plurality of arch bridges 221, and spring part 219 is connected with slide rheostat, and a plurality of arch bridges 221 have increased the contact area of spring part 219.One end of each arch bridge 221 is arranged on the fixed part 211, and the other end is arranged on the conducting strip 217.Conducting strip 217 prominent two conductive contacts 223,225 of establishing.Conductive contact 223,225 conduction itself is also protected spring part 219 simultaneously, and the spring part 219 of damaging when avoiding plugging has improved the conductivity of cable, has prolonged the useful life of conductive member simultaneously.
During use, the draw-in groove 227,229 on first electric-conductor 201 snaps in the inlet wire chamber locating piece 421,423 of inlet wire loading plate 111, and first electric-conductor 201 is flat on inlet wire loading plate 111 sunk surfaces.The wire cavity locating piece 321,323 of outlet loading plate 113 snaps in the draw-in groove 239,241 on second electric-conductor 203, and second electric-conductor 203 is flat on outlet loading plate 113 sunk surfaces.Cable gets into terminal box the latter half 401 from inlet wire lower half circle nock 425; Successively through after the cable connection folder on cable connection folder 207, second electric-conductor 203 on the first lower half circle arc fluting 427, first electric-conductor 201, the second lower half circle arc fluting 431, the outlet lower half circle nock 429, derive terminal box the latter half 401 according to order.
After putting into cable, electric-conductor U-shaped mouth is tightened up into hollow cylindrical, the terminal box the first half 301 that is placed with second electric-conductor 203 is covered on the terminal box the latter half 401 that is placed with first electric-conductor 201 with instrument.Padlock is on the first kayser piece 333,335 respectively because of external force extruding back for the first kayser latch closure 433,435, and the second kayser latch closure 437 pushes the back padlock on the second kayser piece 337 because of external force.Tighten after successively passing riveted joint inlet 413,415 and riveted holes post 315,313 with rivet again, lower recess breach 409,411 is spliced into depressed part 123,121 with last depression breach 311,309 respectively, and person easy to use grasps terminal box body 100.Inlet wire lower half circle nock 425 is spliced into incoming line 105 with inlet wire upper semi-circle nock 329; Outlet lower half circle nock 429 is spliced into line outlet with outlet upper semi-circle nock 325; The first lower half circle arc fluting 427 docks with the first upper semi-circle arc fluting 331, and the second lower half circle arc fluting 431 docks with the second upper semi-circle arc fluting 327.
Shown in figure 15; The contact of the cable connection folder conductor on the terminal box of present embodiment contacts with this illustrated conductive plate and in slideway, slides; Thereby adjusting resistance sizes; Certainly the slide rheostat of being illustrated is one to be used for example, and the concrete scope of application of this terminal box not only is confined to this slide rheostat.
Obviously; The terminal box of the utility model has spring portion and fully contacts with the conductive plate of guide tracked slide rheostat through being arranged on spring leaf on the cable connection folder conductor; And can in this slide rheostat, move flexibly and regulate resistance, yet the utility model is not only to be applicable to the guide tracked slide rheostat shown in the accompanying drawing 15; As long as perhaps can know conspicuous improvement with this sketch map likeness in form, all fall among the protection range of the utility model from the principle of this sketch map.