Convenient and reliable electric junction block
The utility model relates to electrical fitting, electrical equipment splicing ear, binding post, junction block, can be widely used in being connected or being connected of equipment and lead between lead and lead.
Existing lead is done binding post or the junction block that the circle wiring is used, and the screw of must back-outing is entirely earlier easily lost screw, plain washer, spring washer, and when hand can not directly be taken screw, wiring was difficult for precession screw, inconvenience especially.
Directly insert lead when the purpose of this utility model provides wiring or do the electric junction block that circle all can quick and convenient consistent termination.
The utility model is achieved in that mainly by band spacer screw pair [1] and the lifting compression bonding apparatus of the screw that do not need to back-out is entirely formed; Critical component is a band spacer screw pair [1], band spacer screw pair [1] is made up of four parts, its head partly is a screw [2], screw rod [3] in the terminal connection of screw [2], be coated with pad [5] on the middle screw rod [3], middle screw rod [3] lower end connects screw rod [4] down, following screw rod [4] lower end form is flush end or awl end, screw [2], middle screw rod [3] and following screw rod [4] are on same central axis, middle screw rod [3] is gone up no screw thread, be smooth cylinder, the diameter of middle screw rod [3] is than the diameter of screw [2] or the little 0~10mm of diameter of following screw rod [4], screw [2] and following screw rod [4] have screw thread, perhaps screw [2] has screw thread and the following no screw thread of screw rod [4], perhaps the no screw thread of screw [2] and down screw rod [4] screw thread is arranged, pad [5] can be square washer [6], or spring washer [7], or plain washer [8], or their combination, big 0~the 6mm of diameter of screw rod [3] in the internal diameter ratio of pad [5], and than the diameter of screw [2] or the little 0~10mm of diameter of screw rod [4] down, pad [5] is positioned at middle screw rod [3] and goes up and freely rotate and do not come off; Band spacer screw pair [1] can cooperate with four kinds of preferable lifting compression bonding apparatus, can certainly cooperate with other device, first kind of scheme: in the square shape of square shape cuboid [9] is hollow, the through hole that its upper and lower surface has vertical centre to aim at, following face is a circular hole, the diameter of this circular hole is than the big 0~6mm of diameter of following screw rod [4], upper surface hole is a screwed hole, this screwed hole can with the threads engaged of screw [2], screwed hole is installed with band spacer screw pair [1] on square shape cuboid [9], screw [2] head is on square shape cuboid [9] outside is, pad [5], screw rod [4] was in square shape cuboid [9] the inside under middle screw rod [3] reached, twist screw [2], pad [5] and the following inner surface of square shape cuboid [9] can carry out crimping to lead; Second kind of scheme: in the square shape of square shape cuboid [9] is hollow, the through hole that its upper and lower surface has vertical centre to aim at, the diameter of following circular hole is than the big 0~6mm of diameter of following screw rod [4], the diameter of top circular hole is than the big 0~5mm of diameter of screw [2], circular hole is coated with band spacer screw pair [1] on square shape cuboid [9], screw [2] head is on square shape cuboid [9] outside is, pad [5], screw rod [4] was in square shape cuboid [9] the inside under middle screw rod [3] reached, on screw [2] screw thread, be installed with the screw thread pressing plate [10] that can match with it, screw thread pressing plate [10] is in square shape cuboid [9], or on screw [2], be coated with spring washer [7] again, spring washer [7] is positioned between square shape cuboid [9] top inner surface and the screw thread pressing plate [10], twists screw [2] and can carry out crimping to lead; The third scheme: the circular hole of diameter than the big 0~5mm of diameter of screw [2] arranged on the location-plate [11], this circular hole is coated with band spacer screw pair [1], on screw [2], be coated with spring [13], spring [13] is positioned at screw [2] head and twists between end and the location-plate [11], static contact has screwed hole on [12], this screwed hole can be gone up threads engaged with following screw rod [4], last circular hole of location-plate [11] and static contact [12] upper screwed hole spatially vertical centre are aimed at, and two holes are positioned at the both sides of pad [5], twist screw [2], following screw rod [4] screws in the static contact [12], and pad [5] and static contact [12] carry out crimping to lead; The 4th kind of scheme: the screwed hole that can go up threads engaged with screw [2] is arranged on the location-plate [11], this screwed hole is installed with band spacer screw pair [1], the screwed hole that can go up threads engaged with following screw rod [4] is arranged on the static contact [12], screw thread gone up by screw [2] and following screw rod [4] is gone up screw thread in rotation direction, in full accord on the technology essential factors such as pitch, to guarantee screw [2], middle screw rod [3] reaches the synchronous consistency of screw rod [4] rotation down, location-plate [11] upper screwed hole and static contact [12] upper screwed hole spatially vertical centre are aimed at, and two holes are positioned at the both sides of pad [5], twist screw [2], following screw rod [4] screws in the static contact [12] with speed, and pad [5] and static contact [12] carry out crimping to lead; In each scheme, square shape cuboid [9] or pad [5] or static contact [12] can directly link to each other with other connection, or be connected with brace [14], brace [14] other end is connected on the equipment or other connection place, so just can be switched to the lead in this junction block on the equipment or other connection place; This electric junction block can be connected certainly, or links to each other with equipment, or links to each other with other connection, forms electrical equipment splicing ear, binding post, electrical fitting etc.
The utility model will be further described below in conjunction with accompanying drawing and preferred embodiment:
Fig. 1 is threaded screws and middle screw rod, screw-rod structure figure down
Fig. 2 is threaded screws, following screw rod and middle screw-rod structure figure
Fig. 3 is threaded down screw rod and screw, middle screw-rod structure figure
Fig. 4 simply is with spacer screw auxiliary structure figure
Fig. 5 is the band spacer screw auxiliary structure figure that spring washer is arranged
Fig. 6 is the preferable band spacer screw auxiliary structure figure that last screw thread is arranged
Fig. 7 is the preferable band spacer screw auxiliary structure figure of screw thread up and down that has
Fig. 8 is the band spacer screw auxiliary structure figure of screw thread under preferable the having
Fig. 9 is the simple embodiment front view of first kind of scheme
Figure 10 is the end view of Fig. 9
Figure 11 is that first kind of scheme has spring washer embodiment front view
Figure 12 is first kind of scheme preferred embodiment front view
Figure 13 is the end view of Figure 12
Figure 14 is second kind of scheme preferred embodiment front view
Figure 15 is another embodiment front view of second kind of scheme
Figure 16 is the third scheme preferred embodiment structure chart
Figure 17 is the 4th a kind of scheme preferred embodiment structure chart
Band spacer screw pair [1] screwing [2], middle screw rod [3] have multiple with the version of following screw rod [4], screw [2], middle screw rod [3] and following screw rod [4] are on same central axis, middle screw rod [3] is gone up no screw thread, is smooth cylinder, the diameter of middle screw rod [3] is than the diameter of screw [2] or the little 0~10mm of diameter of following screw rod [4], and Fig. 1 Fig. 2 Fig. 3 is three kinds of preferred construction forms; In Fig. 1, screw [2] has screw thread, and following screw rod [4] is gone up no screw thread, is smooth cylinder that following screw rod [4] lower end form is a flush end; In Fig. 2, screw [2] and following screw rod [4] have screw thread, and two screw threads are in full accord on technology essential factors such as rotation direction, pitch, reach the synchronous consistency of screw rod [4] rotation down to guarantee screw [2], middle screw rod [3], and following screw rod [4] lower end form is held for awl; In Fig. 3, the no screw thread of screw [2], be smooth cylinder, on the following screw rod [4] screw thread is arranged, following screw rod [4] lower end form is the awl end.
The structure of band spacer screw pair [1] has multiple combining form, on the basis of Fig. 1 Fig. 2 Fig. 3, be coated with pad [5] on the middle screw rod [3], pad [5] can be square washer [6] or spring washer [7] or plain washer [8] or their combination, the internal diameter of pad [5] than in screw rod [3] the big 0~6mm of diameter and than the diameter of screw [2] or the little 0~10mm of diameter of screw rod [4] down, pad [5] is positioned at middle screw rod [3] and goes up and freely rotate and do not come off; In Fig. 4, middle screw rod is coated with square washer or plain washer on [3], and screw [2], middle screw rod [3] adopt Fig. 2 form with the version of following screw rod [4], can certainly adopt Fig. 1 Fig. 3 to wait other form; In Fig. 5, be coated with square washer [6] and spring washer [7] on the middle screw rod [3], screw [2], middle screw rod [3] adopt Fig. 1 form with the version of following screw rod [4], can certainly adopt other forms; In Fig. 6 Fig. 7 Fig. 8, in be coated with square washer [6], spring washer [7] and plain washer [8] on the screw rod [3], be different on the version of screw [2], middle screw rod [3] and following screw rod [4], Fig. 6 adopts Fig. 1 form, Fig. 7 adopts Fig. 2 form, and Fig. 8 adopts Fig. 3 form.The assembling of band spacer screw pair [1] adopts the manufacture method that do not come off of securing member one sub-assembly upper gasket better, perhaps method such as locates to weld, rivet, be threaded at middle screw rod [3].
The enforcement of first kind of scheme mainly contains three kinds of assembling forms, see Fig. 9 Figure 10 Figure 11 Figure 12 Figure 13, in the square shape of square shape cuboid [9] is hollow, the through hole that its upper and lower surface has vertical centre to aim at, following face is a circular hole, the diameter of this circular hole is than the big 0~6mm of diameter of following screw rod [4], upper surface hole is a screwed hole, this screwed hole can with the threads engaged of screw [2], screwed hole is installed with band spacer screw pair [1] on square shape cuboid [9], screw [2] head is on square shape cuboid [9] outside is, pad [5], screw rod [4] was at square shape cuboid [9] the inside, screw [2] under middle screw rod [3] reached, middle screw rod [3] adopts Fig. 1 form with the version of following screw rod [4]; In Fig. 9 Figure 10, pad [5] adopts the form of square washer [6], and brace [14] links to each other with square washer [6]; In Figure 11, pad [5] adopts the combining form of square washer [6] and spring washer [7]; In Figure 12 Figure 13, pad [5] adopts the combining form of square washer [6], spring washer [7] and plain washer [8], and brace [14] links to each other with square shape cuboid [9]; Brace [14] other end is connected on the equipment or other connection place, so just can be switched to the lead in this junction block on the equipment or other connection place.
Second kind of scheme implement two kinds of preferable assembling forms, see Figure 14 Figure 15, in the square shape of square shape cuboid [9] is hollow, the through hole that its upper and lower surface has vertical centre to aim at, the diameter of following circular hole is than the big 0~6mm of diameter of following screw rod [4], the diameter of top circular hole is than the big 0~5mm of diameter of screw [2], circular hole is coated with band spacer screw pair [1] on square shape cuboid [9], screw [2] head is on square shape cuboid [9] outside is, pad [5], screw rod [4] was in square shape cuboid [9] the inside under middle screw rod [3] reached, on screw [2] screw thread, be installed with the screw thread pressing plate [10] that can match with it, screw thread pressing plate [10] is in square shape cuboid [9], and following screw rod [4] is gone up no screw thread; Among Figure 14, be coated with square washer [6] and spring washer [7] on the middle screw rod [3], following screw rod [4] lower end adopts the flush end form; Among Figure 15, be coated with spring washer [7] again on screw [2], spring washer [7] is positioned between square shape cuboid [9] top inner surface and the screw thread pressing plate [10], is coated with square washer [6] on the middle screw rod [3], and following screw rod [4] lower end adopts awl end form.
The embodiment of the third scheme sees Figure 16, the circular hole of diameter than the big 0~5mm of diameter of screw [2] arranged on the location-plate [11], this circular hole is coated with band spacer screw pair [1], on screw [2], be coated with spring [13], spring [13] is positioned at screw [2] head and twists between end and the location-plate [11], static contact has screwed hole on [12], this screwed hole can be gone up threads engaged with following screw rod [4], last circular hole of location-plate [11] and static contact [12] upper screwed hole spatially vertical centre are aimed at, and two holes are positioned at the both sides of pad [5], pad [5] adopts the combining form of square washer [6] and spring washer [7], following screw rod [4] lower end adopts awl end form, and brace [14] links to each other with static contact [12].
The embodiment of the 4th kind of scheme sees Figure 17, the screwed hole that can go up threads engaged with screw [2] is arranged on the location-plate [11], this screwed hole is installed with band spacer screw pair [1], the screwed hole that can go up threads engaged with following screw rod [4] is arranged on the static contact [12], screw thread gone up by screw [2] and following screw rod [4] is gone up screw thread in rotation direction, in full accord on the technology essential factors such as pitch, to guarantee screw [2], middle screw rod [3] reaches the synchronous consistency of screw rod [4] rotation down, location-plate [11] upper screwed hole and static contact [12] upper screwed hole spatially vertical centre are aimed at, and two holes are positioned at the both sides of pad [5], pad [5] adopts square washer [6], the combining form of spring washer [7] and plain washer [8], following screw rod [4] lower end adopts awl end form, and static contact [12] directly links to each other with other connection.
Unscrew screw [2], straight lead, round conductor or circular wiring nose, insert the interior space of pad [5] and square shape cuboid [9] or static contact [12], tighten screw [2], can carry out crimping to lead, can not lose screw, square washer, plain washer and spring washer, also needn't directly remove to take screw with hand, wiring fast, conveniently, reliably.