CN205141195U - Electric wire switching device monomer reaches by its integral type electric wire switching device who constitutes - Google Patents
Electric wire switching device monomer reaches by its integral type electric wire switching device who constitutes Download PDFInfo
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- CN205141195U CN205141195U CN201520858700.4U CN201520858700U CN205141195U CN 205141195 U CN205141195 U CN 205141195U CN 201520858700 U CN201520858700 U CN 201520858700U CN 205141195 U CN205141195 U CN 205141195U
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Abstract
The utility model provides an electric wire switching device monomer reaches by its integral type electric wire switching device who constitutes, electric wire switching device monomer includes switching device body and two at least extrusion pieces, two at least extrusion pieces are installed switching device is originally internal, be provided with the holding chamber on the switching device body, two at least extrusion pieces are installed the holding intracavity, between holding chamber and the extrusion piece and the extrusion piece be rotatable coupling each other, the one end of switching device body is provided with the plug wire hole that is used for connecting wire, be close in two at least extrusion pieces on the extrusion piece in plug wire hole and/or be provided with the line ball groove that is used for cooperating the plug wire hole on the position of holding intracavity corresponding to the plug wire hole. The utility model provides an electric wire switching device monomer and integral type electric wire switching device, the wiring is simple, and the efficiency of construction is high, connects reliably, and the electrical property is secure, can satisfy the line demand of different diameter cables.
Description
Technical field
The utility model belongs to electrical connection technical field, the many monomers integral type electric wire switching device being specifically related to a kind of electric wire switching device monomer for the wiring hole by being wired to electrical circuitry equipment or electronic product and being made up of it.
Background technology
Existing electrical circuitry equipment or electronic product, when connecting power line, take wiring hole to coordinate the mode of housing pin to set up electrical connection between wire and internal circuit usually.As is illustrated by figs. 11 and 12, the connecting line construction of electrical circuitry equipment or electronic product generally comprises housing wiring hole 10 ＇, housing pin 20 ＇ and binding post 30 ＇, wherein: binding post 30 ＇ is for connecting internal circuit and External cable, housing pin 20 ＇ is for being pressed to binding post 30 ＇ by wire, housing wiring hole 10 ＇ is used for through and holds wire; Described terminals 30 ＇ is provided with for coordinating screwed hole 301 ＇ of housing pin 20 ＇ and terminal connections hole 302 ＇ for grafting cable, the position of described terminal connections hole 302 ＇ and the position of housing wiring hole 10 ＇ just right.
There is following point in above-mentioned connecting line construction:
1, interface should not mate.Owing to needing the wire gauge difference connected, the diameter of wire rod varies, and the syndeton of various electrical circuitry equipment or electronic product trends towards standardization, also be, a certain series products only provides a kind of cable connecting interface usually, to be difficult to adapt on market and the line demand of different size cable in application, practice often to occur the situation that thick cable connects thin wiring hole or Thin cable and connects thick wiring hole---be that wiring efficiency or quality of connection all can be affected; Moreover owing to needing the diameter of the wire rod connected different, the area of its electric connection of setting up or quality of connection also therefore show larger difference---thin wire electrical-contact area is little, and heavy gauge wire electrical connection area is large.
2, when the cable needing to connect is rope-lay strand, due to the effect of housing pin and/or twisting when assembling, hinged stranded conductor is very easy to scatter, and then causes the electrical connection between cable and binding post to lose efficacy.
3, line is hindered.Housing pin directly compresses wire, likely can damage wires, causes Joint failure.
4, easily there is couple corrosion in copper aluminium contact position.The binding post of existing electrical circuitry equipment and electronic product generally adopts metallic copper material.And for the consideration of cost or weight aspect, commercially available cable generally adopts the aluminium material that density is less, electric conductivity is not poor yet.When copper aluminium directly connects, because the current potential of two kinds of metals is different, the conduction power of junction is caused to decline because of there is electrochemical corrosion between copper aluminium possibly.This point is even more serious in wet environment, and copper-aluminium transition place often has obvious visible powdered alumina to occur.
Above-mentioned various problem is single, partly or entirely integrate, and the quality of connection of joint can be caused undesirable, once repeatedly occurred the situation of wiring point heating or even burning apparatus or wire in application.
For solving the problem, technically can improve the connecting line construction of power equipment or electronic product, but, connecting line construction is improved to the external structure that simultaneously can relate to power equipment or electronic product, many-sided variations such as inner connection, cost is higher, cycle is longer, existing application demand can not be adapted to, can not solve put into production use there is connecting line construction as is illustrated by figs. 11 and 12 or there is the power equipment of similar connecting line construction (such as binding post being only provided with screwed hole or more screwed hole) or the practical difficulty of electronic product.
Utility model content
One of task of the present utility model is to provide a kind of electric wire switching device monomer, to solve, above-mentioned interface does not mate, couple corrosion may occur in copper aluminium junction and housing pin direct line ball time easily damage electric wire or cause the scattered problem of stranded conductor, the concrete scheme adopted is:
A kind of electric wire switching device monomer, it is characterized in that: it comprises switching device body and at least two crushing blocks, described switching device body is provided with containing cavity, and described at least two crushing blocks are arranged in described containing cavity; Between described containing cavity and crushing block and crushing blocks be each other and be rotatably connected; One end of described switching device body is provided with the plug wire hole for connecting electric wire, close to the pressuring line groove position corresponding to plug wire hole on the crushing block of plug wire hole and/or in described containing cavity is provided with for coordinating plug wire hole in described at least two crushing blocks; Described crushing block can compress or unclamp the electric wire in plug wire hole and pressuring line groove when rotating; The other end of described switching device body is also provided with the column inserting terminal for being plugged into wiring hole, and the size of described inserting terminal is consistent with the size of the wiring hole treating grafting.
The electric wire switching device monomer that the utility model proposes, extruding force between employing crushing block and switching device body sets up the electrical connection between electric wire and electric wire switching device monomer, the degree of extruding is different, the specification of attachable cable is also different, the various line demands of different-diameter can be taken into account,, there is not the unmatched problem of interface in strong adaptability; During wiring, only need to apply certain pressure to crushing block, such as impact force, clamping force, cover power, nut compressing power etc., make crushing block compress electric wire and hold out against containing cavity to reach the connection that self-locking state can complete electric wire, simple to operate, line efficiency is high.Further, because housing pin discord electric wire directly contacts, coping screw extruding also can not occur and damage electric wire or cause the scattered situation of stranded conductor, connect reliable, electrical property is secure.Moreover, the electric wire switching device monomer that the utility model proposes, the grafting between inserting terminal and wiring hole is adopted to replace the screw between electric wire and wiring hole to crimp, because the goodness of fit between wiring hole and inserting terminal is higher, gap is less, moisture in air, oxygen or impurity etc. are not easy the connecting portion entering inserting terminal and copper binding post, inserting terminal serves certain shielding action to connecting portion, copper aluminium junction is made to be not easy to produce couple corrosion because of the necessary condition lacking generation electrochemical reaction, solve in prior art gap when directly will be wired to copper binding post to a certain extent larger, the problem of potential safety hazard is easily there is because of couple corrosion.
Further, the both sides of containing cavity are concave arc structure, and for coordinating the part of concave arc structure to be convex arc structure on crushing block, convex arc structure is socketed in concave arc structure to be formed and is rotatably connected; Also adopt the female terminal with concave arc structure and the male terminal with convex arc structure to set up between crushing block to be rotatably connected.Preferably, the concave arc structure at containing cavity two ends is C type structure, and the inner surface of C type structure is part-circular periphery face; For coordinating the part of C type structure to be also partial cylindrical surface at least two crushing blocks; Adopt the female terminal with C type structure to set up with the male terminal with partial cylindrical surface between at least two crushing blocks to be rotatably connected.Adopt " C type " concave arc structure to set up with the convex arc structure with partial cylindrical surface to be rotatably connected, manufacture craft is ripe, easily processes, dependable performance.Further, the length of fit of described containing cavity both sides C type structure and convex arc structure with matching is more than 1/2nd circumference; The length of fit of the C type structure between described crushing blocks and convex arc structure with matching is also more than 1/2nd circumference.During work high above the ground, longer length of fit can prevent male terminal from coming off from female terminal, easy to use, and is not easy to lose accessory.
Further, inserting terminal is provided with the screw coordination structure for coordinating housing pin, this screw coordination structure realizes being connected and fixed between inserting terminal and wiring hole for coordinating housing pin.Preferably, this screw coordination structure is rectangular channel, V-type groove or screwed hole.When housing pin screws in square type groove or V-type groove, cell body deforms because being subject to the extruding of screw, and then compresses the wiring hole of power equipment or electronic product, sets up reliable electrical connection; Particularly, when housing pin screws in V-type groove, along with the screw-in of screw, the extruding force that the cell body of V-type groove is subject to is increasing, and the tightness degree connected between inserting terminal and wiring hole is also more and more higher.Use screwed hole as coordination structure, can be set up by screw-threaded coupling power and maintain the connection between inserting terminal and wiring hole.Further, when coordination structure be V-type groove or square type groove time, the plug position of inserting terminal is also provided with bail portion, described bail portion can by with housing pin between mutual stop, prevent inserting terminal to be drawn out of wiring hole.
Further, for convenience of the grafting of inserting terminal to wiring hole, the plug end of inserting terminal is also provided with chamfering structure; For convenience of the assembling between housing pin and screw coordination structure, the seamed edge of screw coordination structure opening part is also provided with chamfering structure.
Further, electric wire switching device monomer comprises the first crushing block and the second crushing block, and the first crushing block is close to plug wire hole, and the second crushing block is near inserting terminal; Be between first crushing block and the second crushing block, between the first crushing block and switching device body, between the second crushing block and switching device body and be rotatably connected.First crushing block is provided with the pressuring line groove for coordinating plug wire hole.Adopt the scheme of two crushing blocks, structure is simple, and cost is low, and line efficiency is high.
Further, electric wire switching device monomer comprises the first crushing block, the second crushing block and the 3rd crushing block; First crushing block is close to plug wire hole, and the second crushing block is close to inserting terminal, and the 3rd crushing block is assemblied between the first and second crushing blocks; Between first crushing block and containing cavity, between the second crushing block and containing cavity, crushing blocks are each other and are rotatably connected; First crushing block is provided with pressuring line groove.
Further, in the scheme of above-mentioned employing two crushing blocks and three crushing blocks, and the crushing block that the first crushing block is adjacent is also provided with the pressuring line groove cooperatively interacted with the plug wire hole on described switching device body and the pressuring line groove on the first crushing block.Particularly, in the scheme of employing two crushing blocks, the second crushing block is also provided with pressuring line groove; In the scheme of employing three crushing blocks, the 3rd crushing block is also provided with pressuring line groove.The crushing block adjacent with the first crushing block arranges pressuring line groove, and can allow to insert longer pressure connection terminal, contact area connects greatly, and bonding strength is secure.
Further, the described length being provided with the crushing block of pressuring line groove is greater than the entire length of the crushing block not being provided with pressuring line groove, this structure allows to arrange longer pressuring line groove to insert longer crimping cable, and add contact area and frictional force, electrical property and mechanical performance all make moderate progress.
Further, the wire casing be arranged in containing cavity penetrates the end face of inserting terminal place end, also be, wire casing in containing cavity extends to the end face of inserting terminal place end from plug wire hole place, and electric wire to be connected can stretch into containing cavity from plug wire hole and stretch out switching device body from inserting terminal place end; This structure can increase the length of electric wire crimp end further, improves quality of connection.
Further, described switching device body is provided with at least two plug wire holes, adapts with each plug wire hole, the crushing block be close with it and/or the corresponding position of containing cavity are also provided with pressuring line groove.The embodiment possessing multiple plug wire hole can adapt to the line demand of different size electric wire or the line demand of the many wires of same specification.Further, the number of plug wire hole is two---because current most commercial ammeter wire only has two kinds of sizes, large line wire diameter is 25-300mm, and little line wire diameter is below 25mm, arranges the connection that two plug wire holes just can adapt to most of ammeter wire, highly versatile.
Further, anti-skidding sawtooth or anti-tooth is provided with on the surface of containing cavity two ends C type structure and/or on the bottom surface of containing cavity; Correspondingly, crushing block and containing cavity contact position are also provided with anti-skidding sawtooth or anti-tooth.Anti-skidding sawtooth or anti-dental structure can play increases junction frictional force, prevents the effect that crushing block unclamps.
Further, the inner surface contacted with the crushing block being provided with pressuring line groove in described containing cavity is provided with at least one protuberance and/or at least one recess, described at least two crushing blocks are provided with corresponding recess and/or protuberance to the place that protuberance and/or recess contact.Protuberance and recess are corresponding between two, when the wire rod be connected is subject to the extruding of protuberance, can stretch in recess, prevent from the one hand damaging electric wire, can increase frictional force and the connecting length of junction on the one hand, improve switching performance.Moreover, protuberance and recess be arranged so that when crushing blocks be under pressure rotate time, the degree that crushing blocks are bending to containing cavity bottom surface can reach self-locking state, ensure that the reliability of crimping.
Further, electric wire switching device monomer disclosed in the utility model, also comprises a locking piece.After crushing block compresses electric wire, this locking piece contributes to the maintenance of impaction state, unclamps electric wire to prevent crushing block because of vibration or other reasons.Particularly, electric wire switching device monomer also comprises one piece of lock screw with nut, described switching device body is provided with screwed hole, the corresponding position of described crushing block is provided with unthreaded hole or screwed hole, lock screw screws in switching device body through after crushing block, by the cooperation with the screwed hole on switching device body, maintain lock-out state with nut compressing crushing block; Or, described electric wire switching device monomer also comprise with described lock screw with the use of nut, lock screw screws in nut again through after crushing block and switching device body, by the cooperation of nut and nut, compresses crushing block and also maintains impaction state; On described switching device body and the corresponding position of crushing block is provided with unthreaded hole.Particularly, electric wire switching device monomer also comprises " ㄈ " shape locking piece, the outside bottom surface of electric wire switching device monomer body or corresponding crushing block is provided with the clamping cell body for coordinating locking piece; After crushing block compresses electric wire, locking piece is connected in the clamping cell body of crushing block and switching device body exterior, can impaction state be kept, prevent Joint failure.By clamping pulling force compress crushing block, prevent crushing block because of vibration or other reasons unclamp electric wire.Particularly, electric wire switching device monomer also comprises housing and lid, and electric wire switching device monomer solid fixes on enclosure interior, and lid is fixedly connected on housing; Lid is provided with the locking projections protruded to crushing block, described locking projections, for compressing crushing block, prevents Joint failure.
Further, described electric wire switching device monomer also comprises protective casing, electric wire switching device monomer solid fixes in protective casing, protective casing is by the both sides shutoff of electric wire switching device monomer, prevent crushing block from skidding off from the both sides of containing cavity, facilitate the management and of accessory, and externally form electromagnetic shielding, improve coefficient of safety.Preferably, this protective casing is also provided with locking projections, described locking projections, for compressing crushing block, prevents Joint failure.
Further, disclosed in the utility model, the material of electric wire switching device monomer is GB Al-Mg-Si-type aluminum alloy, be preferably GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463,6463A or No. 6082 aluminium alloy, the potential safety hazard brought because of couple corrosion when copper aluminium connects can be eliminated or weaken to the use of this series material.
Further, the activation signal delivery unit aforementioned electric wire switching device monomer being also provided with contact condition transducer and being electrically connected with contact condition transducer, described contact condition transducer is used for the working temperature of detection electric wire switching device in real time and sends the data detected to activation signal delivery unit; Described activation signal delivery unit for receiving data and sending by the mode of wireless connections or wired connection the data received to upper position detecting system, then to be assessed to the connection status between electric wire and wiring hole it according to the working temperature of electric wire switching device by upper position detecting system and takes corresponding safety measure.Wherein contact condition transducer is heat sensitive component, and preferred contact condition transducer is the thermistor of contact, thermoswitch or contactless infrared light temperature sensor, ultraviolet light temperature sensor.By the Real-Time Monitoring to temperature, the Real-Time Monitoring of contact condition can be realized.
Another task of the present utility model, also be the electric wire switching device that a kind of many monomers integral type is provided, it is characterized in that, comprise electric wire switching device monomer described at least two above-mentioned arbitrary technical schemes, and for the insulation shell of at least two electric wire switching device monomers described in accommodating, described at least two electric wire switching device monomers are arranged in described insulation shell, and the corresponding position of housing is provided with for through electric wire and the through hole of inserting terminal and the opening for compressing crushing block.Integral structure can disposable connection many electric wires, and line efficiency is high, compact conformation, attractive in appearance; Electric wire switching device monomer shields by housing to external world, and safety is guaranteed.
Further, described at least two electric wire switching device monomers mould technique and insulation shell is integrated by embedding.Product with compact structure, insulation effect is good, and production efficiency is high.
The beneficial effects of the utility model are: 1, adopt the extruding force of crushing block and switching device body to realize the connection of electric wire, degree depending on extruding is different, the diameter of compressible electric wire is also different, is applicable to the wiring of plurality of specifications electric wire, there is not the unmatched problem of interface.2, the grafting between employing inserting terminal and wiring hole replaces the crimping between electric wire and housing pin, avoids and occurs the unmatched situation of interface; In addition, because the combination between inserting terminal and wiring hole is comparatively tight, moisture in air and oxygen are not easy to enter wiring hole, binding site, because lacking the necessary condition of generation electrochemical reaction, couple corrosion is less likely to occur, and can eliminate or weaken the potential safety hazard that copper aluminium connecting portion produces because of couple corrosion to a certain extent.3, electric wire switching device monomer grafting wiring hole is with in the whole process being connected electric wire, the housing pin of power equipment or electronic product not and electric wire generation directly contact, recurrently when avoiding the direct crimped electric wire of housing pin hinder line problem and cause the scattered problem of strand wire.Only need to apply certain pressure when 4, connecting electric wire, make electric wire switching device monomer reach the compression that self-locking state can complete electric wire; During grafting wiring hole, only need inserting terminal to insert wiring hole, then compress with housing pin or only rely on the frictional force between inserting terminal and wiring hole to get final product the connection of finishing equipment, simple to operate, wiring efficiency is high.5, use GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463, the Al-Mg-Si-type aluminum alloy such as 6463A or No. 6082 as the material of electric wire switching device monomer, can weaken or eliminate the potential safety hazard that copper aluminium junction exists because generation couple corrosion.
Below in conjunction with Figure of description and specific embodiment, the technical solution of the utility model is described in detail.
Accompanying drawing explanation
Fig. 1: preferred embodiment 1 stereogram;
Fig. 2: preferred embodiment 1 end view;
Fig. 3: preferred embodiment 1 first crushing block structural representation;
Fig. 4: preferred embodiment 1 inserting terminal sectional view;
Fig. 5: schematic diagram before preferred embodiment 1 line ball;
Fig. 6: schematic diagram after preferred embodiment 1 line ball;
Fig. 7: preferred embodiment two structural representation;
Fig. 8: preferred embodiment three structural representation;
Fig. 9: preferred embodiment four perspective view;
Figure 10: integral type electric wire switching device;
Figure 11: ammeter terminal box schematic diagram;
Binding post sectional view in Figure 12: Figure 11.
Wherein:
1: switching device body; 2: the first crushing blocks; 3: the second crushing blocks; 4: locking piece; 5; Electric wire; 6: housing; 11: containing cavity; 12: plug wire hole; 13: inserting terminal; 14:V type groove; 15: bail portion; 16: clamping cell body; 17:C type structure; 18: the protuberance in containing cavity; 19: the recess in containing cavity; 21: pressuring line groove; 22: the recess on crushing block; 23: the protuberance on crushing block; 51: electric wire nature extended configuration; 52: electric wire crimp state;
10: switching device body; 20: the first crushing blocks; 30: the second crushing blocks; 40: lock screw; 50: the three crushing blocks; 103: inserting terminal; 104:V type groove; 105: bail portion.
100: switching device body; 200: the first crushing blocks; 300: the second crushing blocks; 500: electric wire; 1001: containing cavity; 1002: plug wire hole; 1003: inserting terminal; 1004:V type groove; 1005: bail portion; 1007: the C type structure at containing cavity two ends; 1008: the first protuberances; 1009: the first recesses; 10010: the second protuberances; 10011: the second recesses.
Embodiment
Preferred embodiment one: for the electric wire switching device monomer (two crushing block scheme) of ammeter string holes
Fig. 1-Fig. 6 is the utility model preferred embodiment 1 schematic diagram.Interpreting blueprints 1, Fig. 5 and Fig. 6 be known, and the switching device of electric wire disclosed in the present embodiment monomer comprises switching device body 1, first crushing block 2, second crushing block 3 and " ㄈ " shape locking piece 4.
Switching device body 1 is provided with containing cavity 11, plug wire hole 12 and inserting terminal 13.Inserting terminal 13 is provided with V-type groove 14 and bail portion 15.Wherein: V-type groove 14 realizes fixing between inserting terminal 13 and wiring hole for coordinating the housing pin of power equipment or electronic product, and also namely V-type groove is the screw coordination structure of the present embodiment; Bail portion 15, for the stop by housing pin, prevents inserting terminal 13 to be drawn out of in wiring hole.Interpreting blueprints 6, the inner surface of containing cavity 11 is curved configuration, two ends are C type structure 17, C type structure 17 arc transition is to the bottom surface of containing cavity 11, the bottom of containing cavity 11 is disposed with protuberance 18 and recess 19 from plug wire hole 12 side to inserting terminal 13 side, circular sliding slopes between protuberance 18 and recess 19.The inner surface of containing cavity 11 and inner surface adopt arc transition or circular sliding slopes between each structure, during crimped electric wire, electric wire can not be damaged because of the existence in sharp-pointed portion.
Fig. 3 is the structural representation of the first crushing block 2 in the present embodiment, interpret blueprints 3 known, first crushing block 2 offers for the side contacting containing cavity 11 bottom surface the pressuring line groove 21 that curve I direction extends in Fig. 3, this pressuring line groove 21 holds and compresses electric wire for coordinating the plug wire hole 12 on switching device body 1, to extend the length of pressure connection terminal.The corresponding position of the first crushing block 2, be also provided with containing cavity 11 bottom protuberance 18 and recess 19 recess 22 of working in coordination and protuberance 23.See Fig. 6, protuberance and recess be arranged so that when crushing blocks be under pressure rotate time, the degree that crushing blocks are bending to switching device body 1 bottom surface can reach self-locking state, also namely: described in stretch into after the squeezed briquetting of electric wire in plug wire hole and switching device body compress, compress impetus bottom the impetus 7(between the crushing block of electric wire and electric wire, as shown in the black triangle in the middle of in Fig. 6) two impetus 8 between the crushing block of working in coordination lower than containing cavity both sides C type structure and C type structure and 9(sidepiece impetus, as shown in two black triangles on both sides in Fig. 6) between line, define the self-locking stress that three impetus compress electric wire, ensure that the degree of depth of crimping and the reliability of connection.In addition, protuberance and recess are corresponding between two, when the wire rod be connected is subject to protruding extruding, can stretch in recess, prevent from the one hand damaging electric wire, can increase frictional force and the connecting length of junction on the one hand, improve switching performance.Moreover, not only have structure recess and protuberance being set and working in coordination, electric wire switching device monomer just reaches self-locking state by extruding, as long as bottom stress point is lower than both sides stress point, crushing block is subject to squeezed wire pressuring body and containing cavity bottom surface top power upwards and the downward pressure of containing cavity both sides C type concave arc simultaneously, all by regulating the reclinate degree of crushing block (or being extruding degree) to make stress balance, reach self-locking state.As an improvement of the present embodiment, the pressuring line groove 21 on crushing block 2 can also be arranged on the bottom surface of containing cavity 11, or, be arranged on the bottom surface of crushing block 2 and containing cavity 11 simultaneously.In order to increase crimp strength further, can also by the extension of wire casing that is arranged on containing cavity 11 bottom surface on the end face of inserting terminal place end, during crimped electric wire, treat that crimped electric wire can through whole switching device body, formed and be more firmly mechanically connected and be electrically connected.
Fig. 4 is the sectional view of inserting terminal 13 in the utility model preferred embodiment 1, and interpreting blueprints 4 is known, and inserting terminal is cylindrical structure, cylinder is processed with the slit 14 of shape of cross section close to V-shape, and slit 14 is the screw coordination structure in the present embodiment.When housing pin screws in, housing pin applies pressure to the both sides of slit 14 and bottom land, and the sidewall of V-shape slit deforms to both sides because being squeezed, and then sets up the stable connection between ammeter string holes internal wiring terminal.Further, along with the continuous screw-in of housing pin, be out of shape increasing, connect also more and more tightr.
Interpreting blueprints 1, Fig. 5 and Fig. 6, the first crushing block 2 and the second crushing block 3 are arranged in containing cavity 11, and the first crushing block 2 is near plug wire hole 12, and the second crushing block 3 is near inserting terminal 13.Two terminals of the first crushing block 2 are columniform male terminal; One end of second crushing block 3 is the female terminal with C type structure, and the other end is the male terminal with cylindrical structural.Rely on the female terminal with C type structure to set up with the male terminal with cylindrical structural between first crushing block 2 and the second crushing block 3 to be rotatably connected.For being rotatably connected between the C type structure 17 of the first crushing block 2 and plug wire hole 12 side; Also for being rotatably connected between the C type structure 17 of the second crushing block 3 and inserting terminal 13 side.Wherein: in order to prevent crushing block lose or work high above the ground time from landing in containing cavity, the length of fit of described containing cavity both sides C type structure and cylindrical structural with matching is more than 1/2nd circumference; C type structure between described crushing blocks and the length of fit of cylindrical structural with matching are also more than 1/2nd circumference.
Interpret blueprints 2 known, locking piece 4 is for being arranged on " ㄈ " shape structure of the first crushing block 2 and switching device body 1 outside, and it comprises two crossbeams and a column, and two crossbeams form " ㄈ " shape structure by column; Interpreting blueprints 1, the exterior bottom of switching device body 1 is provided with the clamping cell body 16 for assembling locking piece 4.After crushing block compresses electric wire, locking piece 4 is connected on the clamping cell body 16 of crushing block and switching device body 1 from the sidepiece of switching device body 1, contributes to the fixing of impaction state.Switching device body 1 in the present embodiment is in airflow design, the setting of clamping cell body 16 is the firmness in order to increase clamping between locking piece 4 and switching device body 1, in other specific embodiments, such as in the embodiment taking cuboid-type switching device body, if clamping is enough firm, switching device body also can not arrange clamping cell body 16.
Schematic diagram before the electric wire switching device monomer line ball of Fig. 5 and Fig. 6 involved by the present embodiment and after line ball.Interpreting blueprints 5, when electric wire 5 has just inserted the plug wire hole 12 on switching device body 1 and the pressuring line groove 21 on the first crushing block 2, the first crushing block 2 and the second crushing block 3 in malcompression state, electric wire 5 in Fig. 5 in label be the natural extended configuration shown in 51; After electric wire has connected, the first crushing block 2 and the stressed rear compression electric wire (see figure 6) of the second crushing block 3, at this time electric wire 5 is the twisted state shown in label 52 in Fig. 6.After electric wire is distorted, the contact area between line body and crushing block and switching device body becomes large, thus adds frictional force, extends crimping length, such that the electric wire that is crimped is more difficult to be drawn out of or to loosen.
In addition, the grafting between the wiring hole of conveniently inserting terminal and power equipment or electronic product, the plug end of inserting terminal is also provided with chamfering structure; Cooperation conveniently between the housing pin of power equipment or electronic product and V-type groove, the seamed edge at V-type channel opening place is also processed with chamfering structure.The setting of two place's chamfering structures, all can play handled easily, improves the effect of wiring efficiency.
Moreover adopt V-type groove as the coordination structure of housing pin in the present embodiment, as an improvement of the present embodiment, screw coordination structure can also be designed to be opened in the rectangular channel on inserting terminal 13 or screwed hole.The coordination mechanism of rectangular channel is similar with V-type groove, does not repeat them here.When screwed hole is as screw coordination structure, the power of being spirally connected between itself and housing pin is mainly utilized to realize fixing between inserting terminal and wiring hole.In further embodiments, can also arrange screwed hole at the bottom land of V-type groove or rectangular channel, after the housing pin of power equipment or electronic product touches bottom land, then the screwed hole screwing in bottom land is to strengthen the mechanical performance that connects and electrical property.
In addition, the inserting terminal in the present embodiment is cylindrical structure, in some other embodiment, can also use the inserting terminal of round tube shape structure, and screw coordination structure is the V-type groove, rectangular channel or the screwed hole that are arranged on pipe.
Moreover, adopt GB No. 6063 aluminium alloys as the material of electric wire switching device monomer in the present embodiment, the application of this material, can weaken or suppress the couple corrosion between inserting terminal and power equipment or electronic product binding post to a certain extent, extension device useful life, improve device security performance.In addition, connection between the inserting terminal adopting the wiring hole of aperture and power equipment or electronic product to match due to the present embodiment and wiring hole replaces the direct connection between electric wire to be connected and wiring hole, the tightness connected between wiring hole and inserting terminal is higher, gap is less, moisture in air, oxygen or impurity are not easy the connecting portion entering inserting terminal and copper binding post, inserting terminal serves certain shielding action to connecting portion, copper aluminium junction is made to be not easy to produce couple corrosion because of the necessary condition lacking generation electrochemical reaction, also gap when directly will be wired to copper binding post is solved in prior art to a certain extent larger, the problem of potential safety hazard is easily produced because of couple corrosion.Moreover, due to GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463, Al-Mg-Si-type aluminum alloy and GB No. 6063 aluminium alloys such as 6463A or No. 6082 aluminium alloy have similar proportioning and decay resistance, also can be used as the material of electric wire switching device disclosed in the various embodiment of the utility model, reach the object eliminated or suppress the contact position electrochemical corrosion of copper aluminium.
In addition, experimentally data and construction experience, during the electric wire switching device monomer connection cable using the utility model to provide, in order to ensure mechanical strength and the electrical property at line place, the length of aluminium alloy wires pressure connection terminal should not be less than 10mm, correspondingly, on crushing block and/or containing cavity, the length of pressuring line groove also should be greater than this numerical value.Also namely, on crushing block and/or containing cavity, the length of pressuring line groove should be more than or equal to 10mm.
Preferred embodiment two: for the electric wire switching device monomer (three crushing block schemes) of ammeter string holes
Fig. 7 is the electric wire switching device monomer schematic diagram be made up of three pieces of crushing blocks.Interpret blueprints 7 known, adopt the embodiment of three pieces of crushing blocks to comprise switching device body 10, the first crushing block 20 close to plug wire hole, the second crushing block 30 close to inserting terminal, the 3rd middle crushing block 50 and lock screw 40.Switching device body 10 is provided with the containing cavity for holding three crushing blocks, plug wire hole 102 and the inserting terminal 103 for connecting power equipment or electronic product wiring hole.Inserting terminal 103 is the cylinder with V-type groove 104, and the plug position of inserting terminal 103 is provided with bail portion 105.The two ends of containing cavity are provided with C type structure, and for coordinating the part of containing cavity two ends C type structure to be partial cylinder body structure on the first crushing block 20 and the second crushing block 30, partial cylinder body structure is socketed in the C type structure of containing cavity, and formation is rotatably connected.The two ends of the 3rd crushing block 50 are provided with C type structure, first crushing block 20 and the second crushing block 30 are provided with partial cylinder body structure for coordinating the position of the 3rd crushing block 50, partial cylinder body structure is socketed in the C type structure of the 3rd crushing block, and formation is rotatably connected.First crushing block 20 is provided with structure pressuring line groove as shown in Figure 3.The centre of the 3rd crushing block 50 and switching device body 10 is provided with screwed hole, and after electric wire penetrates, lock screw 40 screws in screwed hole and realizes the compression of electric wire and fix.Be that the first crushing block 20 and the second crushing block 30 are respectively provided with a protuberance and two recesses in containing cavity, corresponding, the first crushing block 20 and the second crushing block 30 are respectively arranged with the protuberance on accommodating cavity and recess structure on form complementary recess and protuberance.
In above preferred embodiment two, the annexation of each parts or structure, matching relationship and function thereof are identical with the corresponding component in preferred embodiment one or structure, do not repeat at this.
It should be noted that, in the embodiment comprising multiple crushing block, as long as meet near between the crushing block of plug wire hole and switching device body, near between the crushing block and switching device body of inserting terminal and crushing blocks connection each other for be similar to described in previous embodiment formed by male (convex arc structure) and female (concave arc structure) socket be rotatably connected, can the technical solution of the utility model be realized, obtain the technique effect of expection.Between crushing blocks, arranging of male and female connector can be identical with previous embodiment, also some distortion can be done, for the present embodiment, the two ends of middle crushing block can be male, also can be female or one end be male, one end is female, as long as the connecting portion of other crushing blocks that can and be attached thereto forms socket rotational structure, the technical solution of the utility model can be realized.
Preferred embodiment three: pressuring line groove extended type electric wire switching device monomer
The structural representation of Fig. 8 electric wire switching device monomer disclosed in the utility model preferred embodiment three.Interpret blueprints 8 known, this pressuring line groove extended type electric wire switching device monomer comprises switching device body 100, first crushing block 200 and the second crushing block 300.Switching device body 100 is provided with containing cavity 1001, plug wire hole 1002, inserting terminal 1003, is opened in the V-type groove 1004 on inserting terminal and is arranged at the bail portion 1005 at inserting terminal plug position.The two ends of described containing cavity 1001 are C type structure 1007, and the bottom of containing cavity 1001 is disposed with the first protuberance 1008, first recess 1009, second protuberance 10010 and the second recess 10011 from plug wire hole 1002 to inserting terminal 1003 direction.Corresponding, the first crushing block 200 is respectively arranged with protuberance bottom structure and containing cavity 1001 or recess forms complementary recess or protuberance.
In above preferred embodiment three, the annexation of each parts or structure, matching relationship and function thereof are identical with the connection between the corresponding component in preferred embodiment one or structure, matching relationship and function, do not repeat at this.
Interpreting blueprints 8, the length of the first crushing block 200 in preferred embodiment three is much larger than the length of the second crushing block 300, and this structural change makes on the first crushing block, arrange longer pressuring line groove becomes possibility.The pressuring line groove lengthened can allow to insert longer electric wire, thus adds the length of electric wire crimp end, adds contact area and crimp force, improves mechanical strength and the electrical property of connection.On the other hand, in order to extend the length of pressuring line groove further, in other some embodiments, also can also be provided with pressuring line groove at the corresponding site place of the second crushing block 300 and/or switching device body 100; Preferably, the length being arranged on the pressuring line groove on switching device body 100 can through whole switching device body, is mechanically connected more reliably to be formed.
Moreover, in order to prevent crushing block lose or work high above the ground time crushing block be removed (in use procedure from the upper opening of switching device body, after crushing block fits into the containing cavity on electric wire switching device body according to matching relationship, use for convenience and improve safety guarantee, guard shield for encapsulating and shielding also can be set, thus do not worry that crushing block skids off from side or loses, specifically see embodiment four), C type structure in being rotatably connected of electric wire switching device monomer disclosed in the present embodiment and the length of fit between the arc convex structure (being specially partial cylinder body structure) of working in coordination with it are more than 1/2nd circumference.
In addition, the outer surface of the switching device body in preferred embodiment 1 and 2 is arc, entirety presents " fusiformis ", preferred embodiment 3 have employed the switching device body of rectangular structure, as long as switching device body comprises containing cavity and can set up the various connection described in previous embodiment and coordination relation, can the technical solution of the utility model be realized, obtain the technique effect of expection.
Preferred embodiment four: with the electric wire switching device monomer of protective casing
Based on preferred embodiment one, disclosed in the utility model, electric wire switching device monomer can also be provided with protective casing.As shown in Figure 9, the electric wire switching device monomer that preferred embodiment four relates to is identical with the ammeter electric wire switching device monomer in embodiment one, and difference is only, embodiment four is also provided with protective casing 6.Interpret blueprints known, the electric wire switching device monomer in embodiment four comprises switching device body 1, first crushing block 2, second crushing block 3 and housing 6; Electric wire switching device monomer solid fixes in housing 6, and corresponding site place housing corresponding to the upper opening of electric wire switching device monomer, plug wire hole and inserting terminal all leaves opening; Inserting terminal stretches out housing 6, and upper opening and the corresponding opening of plug wire hole and electric wire switching device monomer align.Housing 6, by the both sides shutoff of electric wire switching device monomer, externally forms shielding, prevents crushing block from skidding off from the both sides of containing cavity, improves coefficient of safety.Moreover as described in preferred embodiment one, the length of fit of containing cavity both sides C type structure and cylindrical structural with matching is all more than 1/2nd circumference; C type structure between crushing blocks and the length of fit of cylindrical structural with matching are also more than 1/2nd circumference.Crushing block is installed into containing cavity and after containing cavity is installed into housing, crushing blocks can not skid off from the upper opening of containing cavity or side, avoids losing, facilitate taking and manage and work high above the ground or field work of accessory.Preferably, electric wire switching device monomer can also comprise lid, and described cover cap is combined on housing, and lid is provided with the locking projections protruded to the first crushing block and/or the second crushing block, described locking projections, for compressing crushing block, prevents Joint failure.As an improvement of the present embodiment, lid and housing are threaded connection and are fixed together, and the corresponding position of housing and lid is provided with for realizing the pilot hole be threaded; During installation, first locking projections is aimed at crushing block, then tighten the screw, realize the encapsulation of electric wire switching device monomer.Or, first apply external force and make crushing block compress electric wire, then tighten the screw, fixing lid.
Under innovative idea of the present utility model, following distortion, displacement or improvement can also be done:
V-type groove is adopted to realize being fixedly connected with between inserting terminal and ammeter string holes as screw coordination structure in above-mentioned various embodiment, in further embodiments, screwed hole can also be adopted as the coordination structure of housing pin, namely inserting terminal is provided with the screwed hole for coordinating housing pin, after inserting terminal inserts the wiring hole of power equipment or electronic product, screw in housing screw and can realize being fixedly connected with of the two.In another embodiment, square type groove (cross section of cell body is rectangle) also can be adopted as screw coordination structure.Or, screwed hole can also be set on the bottom land of V-type groove or rectangular channel, after housing pin touches bottom land, then screw in screwed hole, improve the mechanical performance connected between inserting terminal and wiring hole and electrical property further.
In further embodiments, the structure of each parts is identical with aforementioned various preferred embodiment with annexation, difference is, the crushing block contacted in the C type mechanism at described electric wire switching device monomer two ends and/or on bottom surface and with C type structure is also provided with anti-skidding sawtooth or anti-dental structure, after crushing block and electric wire switching device body compress electric wire, anti-skidding sawtooth or anti-dental structure contribute to the self-locking (also namely connecting more difficult afterwards unclamping) realizing connection status; Moreover anti-skidding sawtooth or anti-dental structure also contribute to increasing the coefficient of friction between electric wire and switching device, make connection more reliable.
In further embodiments, can also adopt the inserting terminal of circular tube shaped, described screw coordination structure (V-type groove, square type groove or screwed hole) is arranged on the tube wall of pipe.
Moreover embodiment 1 adopts " ㄈ " shape latch-up structure and self-lock force to realize the locking of electric wire crimp state, " ㄈ " shape latch-up structure in the screw locking structure replacement embodiment 1 in embodiment 2 also can be adopted, to realize the locking of crimped status.Concrete scheme can be: 1, switching device body is provided with screwed hole, and the corresponding position of crushing block is provided with screwed hole or unthreaded hole; Lock screw is through after the unthreaded hole on crushing block or screwed hole, then the screwed hole on precession switching device body, compresses corresponding crushing block can complete the connection of electric wire and fix with cap nut.By the fastening electric wire of nut compressing power, and by screw-threaded coupling power fixed press block, unclamp electric wire to prevent crushing block because of vibration or other reasons.Screwed hole can be arranged on the optional position of crushing block and fixed block, is rotatably connected position, to make stress balance near the mid point being preferably arranged on crushing block line or between crushing block.2, the corresponding position of switching device body and crushing block is provided with unthreaded hole, and screw through after the unthreaded hole on switching device body and crushing block, then screws in nut.Realize the connection of electric wire with the thrust of nut and cap nut and fix.Similarly, in embodiment 3, also screwed hole can be set on crushing block and switching device body, and by with realize lock screw or coordinating between screw and matching nut the fixing of crimped status.
In addition, in the embodiment of the various embodiments described above and distortion or improvement, all adopt closely cooperating and adopting the couple corrosion between aluminum alloy material control inserting terminal and ammeter line terminals between inserting terminal and wiring hole, in some other embodiments, can also the gap place of wiring hole after wiring completes or coated with conductive cream or electric power fat on the surface, further closed shield is carried out to copper aluminium connecting portion, improve security performance.Or, can also junction coated with conductive cream between the copper binding post in inserting terminal and wiring hole or electric power fat, a large amount of spaces at contact-making surface place are filled up with fat, reduce the immersion of oxygen, moisture and the impurity in air, make the wire performance that the tie point of conductor keeps good in long-term operation, contact resistance can not raise, and ensures that the long-term safety of circuit is run.Moreover, according to the relevant regulations of " construction of power equipment installing engineering bus device and acceptance criteria ", outdoor or air humidity close to 100% indoor, the connection between copper conductor and aluminum conductor should use copper-aluminum transition terminal, copper to aluminum adapter bar or copper-aluminum transition terminal.In order to improve safety guarantee further, the impact of the structure control couple corrosion similar with general copper aluminium adapter, copper-aluminium transition wire clip or copper aluminium keyset in industry can also be taked.Particularly, be aluminum or aluminum alloy for connecting the material of the wiring hole part of electric wire, material for the inserting terminal place of the copper binding post of grafting wiring hole is metallic copper, adopts plating, the mode of friction welding or casting sets up electrical connection between inserting terminal and wiring hole.Or whole electric wire switching device monomer is aluminum alloy materials, only inserting terminal place is provided with copper coating or is welded with copper tip.
Moreover, in above-mentioned various embodiment, inserting terminal is provided with the screw coordination structure for coordinating with housing pin, in another embodiment, inserting terminal also can not arrange screw coordination structure, but utilize the extruding of the frictional force between inserting terminal and wiring hole and housing pin to realize being connected and fixed between inserting terminal and power equipment or electronic product wiring hole.
In another embodiment, in order to improve the security performance of device, the activation signal delivery unit described electric wire switching device monomer being also provided with contact condition transducer and being electrically connected with contact condition transducer, described contact condition transducer is used for the working temperature of detection electric wire switching device in real time and sends the data detected to activation signal delivery unit; Described activation signal delivery unit for receiving data and sending by the mode of wireless connections or wired connection the data received to upper position detecting system, then to be assessed to the connection status between electric wire and wiring hole it according to the working temperature of electric wire switching device by upper position detecting system and takes corresponding safety measure.Wherein contact condition transducer is heat sensitive component, and preferred contact condition transducer is the thermistor of contact, thermoswitch or contactless infrared light temperature sensor, ultraviolet light temperature sensor.By the Real-Time Monitoring to temperature, the Real-Time Monitoring of contact condition can be realized.
Another aspect of the present utility model, also relate to a kind of electric wire switching device of integral type, as shown in Figure 10, it comprises electric wire switching device monomer disclosed in four preferred embodiments 1, and insulation shell, insulation shell inside is provided with electric wire switching device monomer mounting groove, and described electric wire switching device monomer is arranged in the mounting groove of insulation shell, and the corresponding position of housing is provided with the perforate for passing and hold electric wire and inserting terminal.Further, described electric wire switching device monomer be by embedding molded technique and insulation shell integrated, compact conformation, use safety, can disposable installation many electric wires.
Below with Figure of description, the technical solution of the utility model is elaborated in conjunction with the embodiments; should be noted that; this novel protection range includes, but are not limited to above-described embodiment; figure involved in Figure of description is also the several imbody of this novel intention; described those skilled in the art can also make the specific embodiment possessing other outward appearances or structure on this basis; any do not depart from this new and innovative theory simple deformation or equivalently to replace; all be covered by novel, belong to the protection range that this is novel.
Claims (30)
1. an electric wire switching device monomer, is characterized in that: comprise switching device body (1; 10; 100) and at least two crushing blocks (2,3; 20,30,50; 200,300), described switching device body (1; 10; 100) containing cavity (11 is provided with on; 1001), described at least two crushing blocks (2,3; 20,30,50; 200,300) described containing cavity (11 is arranged on; 1001) in; Described containing cavity (11; 1001) and between crushing block and crushing blocks be each other and be rotatably connected; Described switching device body (1; 10; 100) one end is provided with the plug wire hole (12 for connecting electric wire; 1002), described at least two crushing blocks (2,3; 20,30,50; 200,300) close to plug wire hole (12 in; 1002) crushing block (2; 20; 200) upper and/or described containing cavity (11; 1001) plug wire hole (12 is corresponded in; 1002) position is provided with for coordinating plug wire hole (12; 1002) pressuring line groove (21); Described crushing block can compress or unclamp the electric wire in plug wire hole and pressuring line groove when rotating; The other end of described switching device body is also provided with column inserting terminal (13; 103; 1003), described column inserting terminal (13; 103; 1003) size is consistent with the size of the wiring hole treating wiring.
2. electric wire switching device monomer according to claim 1, is characterized in that: described containing cavity (11; 1001) both sides are concave arc structure, described at least two crushing blocks (2,3; 20,30,50; 200,300) for coordinating the part of concave arc structure to be convex arc structure in, described convex arc structure is socketed in described concave arc structure to be formed and is rotatably connected; Adopt the female terminal with concave arc structure to set up with the male terminal with convex arc structure between described at least two crushing blocks to be rotatably connected.
3. electric wire switching device monomer according to claim 2, is characterized in that: described containing cavity (11; 1001) the concave arc structure between the concave arc structure of both sides and crushing block is C type structure (17; 1007), on described crushing block for coordinating containing cavity (11; 1001) the convex arc structure between the convex arc structure of both sides concave arc structure and crushing block is part cylindrical.
4. electric wire switching device monomer according to claim 3, is characterized in that: described C type structure (17; 1007) length of fit of the partial cylinder body structure of and with it working in coordination is more than 1/2nd circumference.
5. electric wire switching device monomer according to claim 1, is characterized in that: the length l >=10mm of the pressuring line groove on described crushing block and/or in containing cavity.
6. electric wire switching device monomer according to claim 1, it is characterized in that: described switching device body is provided with multiple plug wire hole, adapt with each plug wire hole, the corresponding position of the crushing block be close with it and/or the corresponding position of containing cavity are also provided with the pressuring line groove of respective amount.
7. electric wire switching device monomer according to claim 1, is characterized in that: described inserting terminal (13; 103; 1003) the screw coordination structure for coordinating housing pin to realize being connected and fixed between inserting terminal and wiring hole is provided with on.
8. electric wire switching device monomer according to claim 7, is characterized in that: described inserting terminal is cylindrical structure or round tube shape structure, described screw coordination structure is the V-type groove (14 be opened on inserting terminal; 104; 1004), square type groove or screwed hole.
9. electric wire switching device monomer according to claim 8, is characterized in that: described inserting terminal (13; 103; 1003) plug end is also provided with bail portion (15; 105; 1005).
10. electric wire switching device monomer according to claim 9, is characterized in that: the plug end of described inserting terminal is provided with chamfering structure; The seamed edge of described V-type groove or rectangular channel opening part is also provided with chamfering structure.
11. electric wire switching device monomers according to claim 1, is characterized in that: the surface that described containing cavity contacts with crushing block is provided with anti-skidding sawtooth or anti-tooth; Corresponding therewith, the surface that described crushing block and containing cavity contact also is provided with corresponding anti-skidding sawtooth or anti-tooth.
12. electric wire switching device monomers according to claim 1, is characterized in that: be provided with at least one protuberance (18 in described containing cavity; 1008,10010) and/or at least one recess (19; 1009; 10011), described at least two crushing blocks are provided with corresponding recess (22) and/or protuberance (23) to the place that protuberance and/or recess contact.
13. electric wire switching device monomers any one of claim 1-12 described in claim, is characterized in that: described crushing block has two, are respectively the first crushing block (2; 200) and the second crushing block (3; 300), described first crushing block (2; 200) and the second crushing block (3; 300) between, the first crushing block (2; 200) and between containing cavity (11), the second crushing block (3; 300) and be between containing cavity (11) and be rotatably connected; Described first crushing block (2; 200) be close to plug wire hole (12; 1002) crushing block, the first crushing block (2; 200) be provided with for coordinating plug wire hole (12 on; 1002) pressuring line groove (21).
14. electric wire switching device monomers according to claim 13, is characterized in that: described first crushing block (2; 200) length is greater than the second crushing block (3; 300) length.
15. electric wire switching device monomers according to claim 13, is characterized in that: described second crushing block (3; 300) above and/or in containing cavity (11) also pressuring line groove is provided with.
16. electric wire switching device monomers according to claim 15, is characterized in that: the pressuring line groove arranged in described containing cavity (11) extends to the end face of inserting terminal place end from plug wire hole place.
17. electric wire switching device monomers any one of claim 1-12 described in claim, is characterized in that: described crushing block has three, are respectively the first crushing block (20), the second crushing block (30) and the 3rd crushing block (50); Described first crushing block (20) is close to plug wire hole (102), and the second crushing block (30) is close to inserting terminal (103); Between first crushing block (20) and containing cavity, between the second crushing block (30) and containing cavity, be between crushing blocks and be rotatably connected; (20) are provided with pressuring line groove to first crushing block.
18. electric wire switching device monomers according to claim 17, is characterized in that: the length of described first crushing block (20) is greater than second and the 3rd length of crushing block.
19. electric wire switching device monomers according to claim 17, is characterized in that: described second crushing block (30) is upper and/or the 3rd crushing block (50) is upper and/or be also provided with pressuring line groove in containing cavity.
20. electric wire switching device monomers any one of claim 1-12 described in claim, it is characterized in that: after described crushing block and switching device body compress electric wire, make to compress the line between two impetus (8,9) between crushing block and concave arc structure that impetus (7) between the crushing block of electric wire and electric wire works in coordination lower than containing cavity both sides concave arc structure.
21. electric wire switching device monomers any one of claim 1-12 described in claim, is characterized in that: described electric wire switching device monomer also comprises locking piece, and described locking piece is used for crimped electric wire and/or maintains impaction state.
22. electric wire switching device monomers according to claim 21, is characterized in that: described locking piece is lock screw (40), and described lock screw (40) is with nut; Described switching device body is provided with screwed hole, and the corresponding position of described crushing block is provided with unthreaded hole or screwed hole; Or, described electric wire switching device monomer also comprise with described lock screw (40) with the use of nut, on described switching device body and the corresponding position of crushing block is provided with unthreaded hole.
23. electric wire switching device monomers according to claim 21, is characterized in that: described locking piece is " ㄈ " shape locking piece (4), described switching device body (1) are provided with the clamping cell body (16) for coordinating " ㄈ " shape locking piece (4); After compressing electric wire, locking piece (4) is connected between crushing block and clamping cell body (16), to maintain impaction state from the sidepiece of switching device body.
24. electric wire switching device monomers according to claim 21, it is characterized in that: described electric wire switching device monomer also comprises housing (6) and lid, described electric wire switching device monomer solid fixes in housing (6), and described cover cap is combined on described housing (6); Described housing is provided with plug wire hole open-work, inserting terminal open-work and handle hole; Described inserting terminal (13) stretches out housing through inserting terminal open-work; Described plug wire hole (12) and plug wire hole open-work align; Position and handle hole for operating crushing block on switching device body (1) align; Described locking piece is the locking projections be arranged on lid, and this locking projections covers backward crushing block and protrudes to compress crushing block, prevents Joint failure.
25. electric wire switching device monomers any one of claim 1-12 described in claim, it is characterized in that: described electric wire switching device monomer also comprises housing, described electric wire switching device monomer solid fixes in described housing, described housing is provided with plug wire hole open-work, inserting terminal open-work and handle hole; Described inserting terminal stretches out housing through inserting terminal open-work, and described plug wire hole aligns plug wire hole open-work, and described electric wire switching device monomer body aligns handle hole for the position operating crushing block; Housing, by the both sides shutoff of electric wire switching device monomer, prevents crushing block from skidding off from the both sides of containing cavity.
26. electric wire switching device monomers any one of claim 1-12 described in claim, is characterized in that: the material of described electric wire switching device monomer be GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463,6463A, any one in No. 6082 aluminium alloys.
27. electric wire switching device monomers according to claim arbitrary in claim 1-12, is characterized in that: the position that described electric wire switching device is used for grafting wiring hole is copper material, and the position for crimped electric wire is aluminium material or aluminum alloy material; Be welded together by friction welding (FW) or casting between copper material and aluminium material or aluminum alloy material and form copper-aluminium transition structure.
28. electric wire switching device monomers according to claim arbitrary in claim 1-12, it is characterized in that: the activation signal delivery unit described electric wire switching device monomer being also provided with contact condition transducer and being electrically connected with contact condition transducer, described contact condition transducer is used for the working temperature of detection electric wire switching device monomer in real time and sends the data detected to activation signal delivery unit; Described activation signal delivery unit is for receiving data and sending by the mode of wireless connections or wired connection the data received to upper position detecting system.
29. 1 kinds of integral type electric wire switching devices, it is characterized in that, comprise at least two electric wire switching device monomers any one of claim 1-12 as described in claim, and for the insulation shell of at least two electric wire switching device monomers described in accommodating, described at least two electric wire switching device monomers are arranged in described insulation shell, and the corresponding position of housing is provided with plug wire hole open-work, inserting terminal open-work and handle hole; Described inserting terminal passes insulation shell through inserting terminal open-work; Described plug wire hole and plug wire hole open-work align; Position and handle hole for operating crushing block on described switching device body align.
30. integral type electric wire switching devices according to claim 29, is characterized in that: described at least two electric wire switching device monomers mould technique and insulation shell is integrated by embedding.
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| CN201520858700.4U CN205141195U (en) | 2015-10-29 | 2015-10-29 | Electric wire switching device monomer reaches by its integral type electric wire switching device who constitutes |
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| CN201520858700.4U CN205141195U (en) | 2015-10-29 | 2015-10-29 | Electric wire switching device monomer reaches by its integral type electric wire switching device who constitutes |
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| CN205141195U true CN205141195U (en) | 2016-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305123A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and one-piece wire switching apparatus composed thereof |
| CN107246347A (en) * | 2017-05-27 | 2017-10-13 | 蚌埠泰欣电子科技有限公司 | A kind of vehicular side joint line igniter |
| CN112467406A (en) * | 2020-11-21 | 2021-03-09 | 网源电力科技有限公司 | C-shaped cable clamp |
-
2015
- 2015-10-29 CN CN201520858700.4U patent/CN205141195U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305123A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and one-piece wire switching apparatus composed thereof |
| CN105305123B (en) * | 2015-10-29 | 2018-06-08 | 广州番禺电缆集团有限公司 | A kind of electric wire switching device monomer and the integral type electric wire switching device being made of it |
| CN107246347A (en) * | 2017-05-27 | 2017-10-13 | 蚌埠泰欣电子科技有限公司 | A kind of vehicular side joint line igniter |
| CN112467406A (en) * | 2020-11-21 | 2021-03-09 | 网源电力科技有限公司 | C-shaped cable clamp |
| CN112467406B (en) * | 2020-11-21 | 2022-03-08 | 网源电力科技有限公司 | C-shaped cable clamp |
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