CN205452611U - Electric wire switching device monomer reaches by its integrated form electric wire switching device who constitutes - Google Patents

Abstract

The utility model provides an electric wire switching device monomer reaches by its integrated form electric wire switching device who constitutes, electric wire switching device monomer is personally experienced sth. Part of the body and is used for realizing first and second clamping unit that press from both sides fastening between the lines body, its characterized in that including the first and second clamp lines that are used for the crimping electric wire: first and/or second is provided with the wire casing on pressing from both sides the line body, is provided with anti -skidding structure in at least one wire casing, first or second presss from both sides and is provided with plug terminals on the line body, and plug terminals is last to be provided with the screw that is used for cooperating the housing pin structure of coordinating. Integrated form electric wire switching device includes two at least electric wire switching device monomers and is used for encapsulating the free insulating housing of electric wire switching device. When adopting this novel electric wire switching device monomer that provides or integrated form electric wire switching device for power equipment or electronic product line, only need insert plug terminals the wiring hole and meet cable clamp and to realize quick connection in the metallic channel, easy operation, the line is efficient, and the electrical property is secure.

Description

A kind of electric wire switching device monomer and the integrated form electric wire switching device being made up of it

Technical field

This utility model belongs to electrical connection technical field, the electric wire switching device monomer being specifically related to a kind of wiring hole for connecting the line to electrical circuitry equipment or electronic product and the integrated form electric wire switching device being made up of it.

Background technology

Existing electrical circuitry equipment or electronic product, when connecting electric lines of force, are usually taken the electrical connection that wiring hole coordinates the mode of housing pin to set up between wire and internal circuit.As shown in Figure 8 and Figure 9, 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 used for connecting internal circuit and External cable, housing pin 20 ＇ is used for through for wire is pressed to binding post 30 ＇, housing wiring hole 10 ＇ and accommodates wire；Being provided with on described terminals 30 ＇ for coordinating screwed hole 301 ＇ of housing pin 20 ＇ and for terminal connections hole 302 ＇ of grafting cable, the position of described terminal connections hole 302 ＇ and the position of housing wiring hole 10 ＇ are the most right.

There is following point in above-mentioned connecting line construction:

1, interface should not mate.Owing to needing the wire gauge connected different, the diameter of wire rod varies, and the attachment structure of various electrical circuitry equipment or electronic product trends towards standardization, namely, a certain series products generally provides only a kind of cable and connects interface, with the line demand of different size cable in application on very difficult adaptation market, practice often occurs thick cable connects thin wiring hole or the situation either wiring efficiency of the Thin cable thick wiring hole of connection or quality of connection all can be affected；Furthermore, owing to needing the diameter difference of the wire rod connected, it is little that the area of its electric connection set up or quality of connection the most therefore show larger difference thin wire electrical-contact area, and heavy gauge wire electrical connection area is big.

2, when need connect cable be rope-lay strand time, due to housing screw effect and/or assembling time twisting, 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, it is possible to meeting damage wires, causes Joint failure.

4, copper aluminum contact position is susceptible to couple corrosion.The binding post of existing electrical circuitry equipment and electronic product typically uses metallic copper material.And for the consideration in terms of cost or weight, commercially available cable typically uses the aluminium material that density is less, electric conductivity is the poorest.When copper aluminum is directly connected to, owing to the current potential of two kinds of metals is different, it is likely that the conduction power of junction can be caused to decline because there is electrochemical corrosion between copper aluminum.This point is even more serious in wet environment, is often evident that powdered alumina occurs at copper-aluminium transition.

Above-mentioned various problem is single, partly or entirely integrate, and the quality of connection that can cause joint is undesirable, the most repeatedly occurs that wiring point generates heat even burning apparatus or the situation of wire in application.

For solving the problems referred to above, technically the connecting line construction of power equipment or electronic product can be improved, but, connecting line construction is improved the external structure that simultaneously can relate to power equipment or electronic product, many variations such as internal connection, relatively costly, cycle is longer, do not adapt to existing application demand, can not solve to have put into production use has connecting line construction as shown in Figure 8 and Figure 9 or has power equipment or the practical difficulty of electronic product of similar connecting line construction (being only provided with a screwed hole or more screwed hole on such as binding post).

Utility model content

The purpose of this utility model is to provide a kind of electric wire switching device, to solve above-mentioned interface and do not mate, at wiring it may happen that electrochemical corrosion and directly easily scatter with produced stranded conductor during housing pin line ball and easily hinder the problem of line, the technical scheme used is:

A kind of electric wire switching device monomer, it includes the first clamp body, the second clamp body and secure component, is provided with the wire casing for accommodating electric wire in described first clamp body and the second clamp body at least one clamp body；The corresponding position of described first clamp body and the second clamp body is provided with for coordinating secure component to connect the first clamp body and the pilot hole of the second clamp body, it is characterized in that: be provided with the column inserting terminal for grafting wiring hole on one of them the clamp body in described first clamp body or the second clamp body, the size of described column inserting terminal is consistent with the size of the wiring hole treating grafting.

This utility model uses the connection connected between the cable and the wiring hole that replace all size between inserting terminal and the wiring hole that size and dimension is consistent with wiring hole, solves cable diameter and the unmatched problem of wiring hole；The mode using the wire casing clamping connection wire on two clamp bodies substitutes directly by the method for screw crimping lead wire, solves and hinders line problem and problem that rope-lay strand easily scatters.When to use the electric wire switching device of this novel offer be power equipment or electronic product line, can realize quickly connecting in having only to inserting terminal insert wiring hole and cable clamp is connected on metallic channel, simple to operate, line efficiency is high, and junction electrical property is secure.Furthermore, the electric wire switching device monomer that the utility model proposes, owing to connecting between inserting terminal and wiring hole that the wiring hole using aperture and power equipment or electronic product is consistent replaces being directly connected between electric wire to be connected and wiring hole, the goodness of fit between wiring hole and inserting terminal is higher, gap is less, moisture in air, oxygen or impurity are not easily accessed inserting terminal and the connecting portion of copper binding post, inserting terminal serves certain shielding action to connecting portion, make copper aluminum junction because lacking and occurring the essential condition of electrochemical reaction to be not easy to produce couple corrosion, solve gap when directly will be wired to copper binding post in prior art to a certain extent bigger, the problem easily producing potential safety hazard because of couple corrosion.

Further, being provided with anti-skid structure in the wire casing of preceding solution at least one wire casing, this anti-skid structure is possible to prevent clamping connection electric wire in wire casing to loosen, and improves electrical connection effect.Anti-skid structure is preferably: 1, in wire casing, at least one wire casing is waveform wire casing, and the crest of waveform wire casing and trough constitute anti-skid structure；2, being provided with screw thread in wire casing at least one wire casing, screw thread constitutes anti-skid structure；3, two clamp bodies are provided with wire casing；It is provided with protuberance and/or recess in wire casing on first clamp body, corresponding, being provided with in wire casing on second clamp body and constitute complementary recess and/or protuberance with the protuberance in the first clamp body and/or recess structure, protuberance and recess that structural relation is complementary constitute aforementioned anti-skid structure；4, the inner surface of at least one wire casing is rough.Aforementioned various anti-skid structure all can play contact area and frictional force at increase wiring, prevents the effect that the wire being crimped loosens or is drawn out of.

Further, inserting terminal being provided with screw coordination structure, this screw coordination structure is preferably screwed hole, V-groove or rectangular channel.Screw coordination structure realizes fixing between inserting terminal and power equipment or the wiring hole of electronic product for coordinating the housing pin of power equipment or electronic product.It is provided with the inserting terminal of screw coordination structure, connection can be made more firm, be not easy after connection to loosen.Further, when screw coordination structure is V-groove or square type groove, being additionally provided with bail portion near the connection-peg of inserting terminal, this bail portion, for blocking the housing pin of precession screw coordination structure, prevents the inserting terminal injecting wiring hole to be drawn out of.Further, the plug end of inserting terminal is additionally provided with chamfering structure, the setting of chamfering structure, can facilitate the grafting between inserting terminal and wiring hole, improves line efficiency.Another improves, and the seamed edge of V-groove or rectangular channel opening part is also equipped with chamfering structure, to facilitate the assembling between the housing pin of power equipment or electronic product and V-groove or rectangular channel.

Further, secure component includes screw and nut, and described screw is provided with cap nut；Pilot hole on first clamp body and the second clamp body is unthreaded hole；Unthreaded hole on screw, two clamp bodies of nut screw connection realizes the assembling between two clamp bodies.Or, secure component is screw, and described screw includes cap nut；In described first clamp body and the second clamp body, the pilot hole at least one clamp body is screwed hole.Or, secure component is self tapping screw, uses self tapping screw as secure component, it is convenient to omit the screwed hole on two clamp bodies and/or unthreaded hole, during assembling, self tapping screw gets out pilot hole.

Further, the aperture of wire casing, slightly larger than the aperture of electric wire to be crimped, constitutes interference fit between wire body and wire casing.

Further, being additionally provided with contact condition sensor and the activation signal delivery unit being electrically connected with contact condition sensor on aforementioned electric wire switching device, described contact condition sensor for the real-time operating temperature detecting electric wire switching device and sends the data detected to activation signal delivery unit；Described activation signal delivery unit data after receiving data and processing send upper position detecting system by the way of wireless connections or wired connection to, then are estimated the connection status between its with electric wire and wiring hole according to the operating temperature of electric wire switching device by upper position detecting system and take corresponding safety measure.Wherein contact condition sensor is heat sensitive component, and preferably contact condition sensor is the critesistor 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.

Further, the material of electric wire switching device monomer disclosed by the invention is GB Al-Mg-Si-type aluminum alloy, being preferably GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463,6463A or No. 6082 aluminium alloys, the use of this series material can eliminate or weaken the potential safety hazard brought when copper aluminum connects because of couple corrosion.

Another aspect of the present utility model, further relate to a kind of integrated form electric wire switching device, it is characterized in that: include insulation shell and insulation lid, being provided with the first clamp body described in any of the above-described technical scheme of at least two on described insulation shell and for housing the storage tank of described first clamp body, the first clamp body of described at least two is arranged in described storage tank；Being provided with the second clamp body corresponding with the first clamp body in insulation shell on described insulation lid and for housing the storage tank of described second clamp body, described second clamp body is arranged in the storage tank on described insulation lid；On described insulation shell or insulation lid, the place corresponding with inserting terminal offers the place corresponding with the wire casing on the first clamp body and the second clamp body on inserting terminal open-work, described insulation shell or insulation lid and offers wire casing open-work；Described inserting terminal stretches out insulation shell through inserting terminal open-work, and the wire casing on described first clamp body and the second clamp body aligns with wire casing open-work.

Further, above-mentioned integrated form electric wire switching device, its first clamp body and insulation shell are that to mould technique integrated by embedding；Second clamp body and insulation shell are also that to mould technique integrated by embedding.

Integrated electric wire switching device, compact conformation, connecting portion takes up room little, and line is convenient, it is not easy to lose accessory.

Grafting between inserting terminal and wiring hole that the aperture having the technical effect that the wiring hole using aperture chi and power equipment or electronic product of the present utility model is consistent, replace being directly connected between electric wire to be crimped and wiring hole, owing to housing pin discord electric wire directly contacts, there is not the unmatched problem of interface, the stranded conductor caused by the direct crimped electric wire of housing pin also will not be occurred easily to scatter or the problem of easy damage wires；Further, little due to the gap between inserting terminal and wiring hole, it is not easy to enter air, moisture or impurity, the electric wire switching device of this novel proposition, it is also possible to weakening or suppress the recurrent electrochemical corrosion in copper aluminum junction, security performance is good.Using the wire casing being provided with anti-skid structure to connect electric wire, the coefficient of friction between electric wire and wire casing is high, and the electric wire being crimped is not easy to loosen, and the electrical property of junction is guaranteed.It addition, use aluminum alloy materials as the material of switching device, weakening or inhibit the contact resistance caused because there is electrochemical corrosion copper aluminum junction to a certain extent and increase, use the probability of middle heating or burning apparatus, safety coefficient is high.Furthermore, the electric wire switching device of integral type, can be disposably multiple wiring hole lines, and wiring efficiency is high, and compact conformation, waterproof insulation, security performance is good.

Below in conjunction with Figure of description and specific embodiment, the technical scheme that this is novel is described in detail.

Accompanying drawing explanation

Fig. 1: preferred embodiment 1 structural representation；

First clamp body structural representation in Fig. 2: preferred embodiment 1；

Second clamp body structural representation in Fig. 3: preferred embodiment 2；

The schematic cross-section figure of inserting terminal in Fig. 4: preferred embodiment 1；

Fig. 5: preferred embodiment 2 structural representation；

First clamp body structural representation in Fig. 6: preferred embodiment 2；

Fig. 7: the second clamp body structural representation in preferred embodiment；

Fig. 8: ammeter rosette schematic diagram；

Fig. 9: Fig. 8 middle connecting terminal structural representation.

Wherein: 1-the first clamp body；2-the second clamp body；3-screw；11-inserting terminal；12-V type groove；13-first wave shape wave wire casing；103-straight hole wire casing；14-screwed hole；105-annular projection；16-bail portion；17-the second chamfering structure；18-the first chamfering structure；23-the second waveform wire casing；203-small-bore wire casing；24-unthreaded hole；205-cell body；206-line ball portion.

Detailed description of the invention

The utility model proposes a kind of for for the electric wire switching device monomer of power equipment or electronic product line and the integrated form electric wire switching device that is made up of it, described electric wire switching device monomer includes the first clamp body, the second clamp body and secure component, wherein: the first clamp body and the second clamp body are provided with wire casing at least one clamp body, at least one wire casing, are provided with anti-skid structure；The corresponding position of the first clamp body and the second clamp body is provided with the pilot hole for coordinating secure component, and this pilot hole is for coordinating secure component to realize the assembling between the first clamp body and the second clamp body；It is provided with the inserting terminal for grafting power equipment or electronic product on first clamp body or the second clamp body, inserting terminal is provided with the screw coordination structure for coordinating housing pin.

Above-mentioned anti-skid structure and screw coordination structure can take in table 1 listed various forms and equivalent thereof or simple deformation structure:

Table 1: the anti-skid structure in wire casing and the screw coordination structure on inserting terminal

In table, four kinds of anti-skid structures can be combined into 12 kinds of concrete schemes with three kinds of screw coordination structures, is the most only introduced the most frequently used combination therein.One of ordinary skill in the art should be able to predict easily, other combinations or the combination formed with its simple deformation or equivalent constructions, it is also possible to realize this novel technical scheme, belong to this novel protection domain.Before introducing embodiment, first the term in table 1 is described.

Recess and protuberance: be separately positioned on the first clamp body and the corresponding position of the second clamp body, on such as first clamp body, protuberance is set, on second clamp body, recess is set, during crimping lead wire, because of the extruding by protuberance, the recess in the second clamp body stretches wire, and be distorted deformation, increases contact area and frictional resistance, make line more firm, it is not easy to extract out or rock.The deformation that can do is, the first clamp body arranges recess, and the second clamp body arranges protuberance；Or, each clamp body is provided with protuberance and recess, protuberance and recess on two clamp blocks constitute complementation.

V-groove or square type groove: be opened on inserting terminal, the cross section of cell body is V-shaped or rectangle.

Screw thread: be threaded on the inner surface of wire casing, increases the coefficient of friction between electric wire and wire casing inner surface, reaches to increase frictional force, improves the purpose connecting effect.

Rough: wire casing inner surface is processed as rough, increase the coefficient of friction between electric wire and wire casing inner surface, reach to increase frictional force, improve the purpose connecting effect.

Waveform wire casing: the inner surface of wire casing is wavy shaped configuration, the crest of waveform wire casing and trough constitute the convex-concave portion in wire casing, so as to increasing frictional force, improve and connect effect.

Embodiment one: for the electric wire switching device monomer of ammeter line

Embodiment one uses waveform wire casing as anti-skid structure, uses V-groove 12 as screw coordination structure, the first clamp body 1 and the second clamp body 2 are provided with wire casing, and the material of electric wire switching device is No. 6063 aluminium alloys of GB.

Fig. 1-Fig. 4 show the electric wire switching device monomer involved by this utility model preferred embodiment 1, Fig. 1 is overall structure figure, Fig. 2 is the structural representation of the first clamp body 1, and Fig. 3 is the structural representation of the second clamp body 2, and Fig. 4 is the schematic cross-section of inserting terminal 11.

Interpreting blueprints 1 understands, and the ammeter electric wire switching device monomer disclosed in embodiment one includes the first clamp body the 1, second clamp body 2 and screw 3, and described screw 3 is the secure component in the present embodiment.

Interpreting blueprints 2 understands, V-groove 12, first wave shape wave wire casing 13 and the screwed hole 14 the first clamp body 1 is provided with inserting terminal 11, being opened on inserting terminal 11.Wherein first wave shape wave wire casing 13 constitutes the anti-skid structure in the present embodiment, and V-groove 12 is the screw coordination structure in the present embodiment.Inserting terminal 11 is for being plugged into the wiring hole of power equipment or electronic product, V-groove 12 is for coordinating screw 3 to realize the locking between inserting terminal 11 and wiring hole, first wave shape wave wire casing 13 is for accommodating and secure wires, and screwed hole 14 is for coordinating secure component 3 to realize being fastenedly connected between the first clamp body 1 and the second clamp body 2.

Fig. 3 is the structural representation of the second clamp body 2, as seen from the figure, the second clamp body 2 is provided with the second waveform wire casing 23 and unthreaded hole 24.Unthreaded hole 24 is the pilot hole of the second clamp body 2, and the second waveform wire casing 23 is anti-skid structure.

Illustrate, the present embodiment uses the screw 3 with nut as secure component.When connecting the first clamp body 1 and the second clamp body 2, first with screw 3 through the unthreaded hole 24 on the second clamp body 2, screw in the screwed hole 14 on the first clamp body 1 the most again, along with gradually tightening of screw 3, the extruding force from two clamp bodies suffered by electric wire in wire casing is increasing, until being pressed in wire casing.A deformation as the present embodiment, pilot hole on first clamp body 1 and the second clamp body 2 can also be all unthreaded hole, after screw passes the unthreaded hole on two clamp bodies, then screws in and the matching used nut of screw, tighten the screw, until two clamp bodies are compressed by screw and nut.Or, the first clamp body 1 and the second clamp body 2 can also be not provided with pilot hole, use self tapping screw as secure component, during assembling, self tapping screw get out the pilot hole on two clamp bodies.

Fig. 4 is the cross sectional representation of inserting terminal 11, and as seen from the figure, inserting terminal 11 is cylindrical-shaped structure, and it offers the groove that cross sectional shape is V-type.When the screw 3 of power equipment or electronic product screws in V-groove 12, along with deepening continuously of screw 3, extruding force suffered by V-groove 12 both sides and the pressure identical with screw 3 precession direction suffered by inserting terminal 11 the most constantly increase, so that inserting terminal 11 has compressed the wiring hole of ammeter, establish firm electrical connection.

It addition, see Fig. 1 and Fig. 2, the present embodiment is additionally provided with the second chamfering structure 17, to facilitate the assembling between the screw 3 of power equipment or electronic product and V-groove 12 or rectangular channel on the crest line of V-groove 12 opening part.Furthermore, the plug end of inserting terminal 11 is provided with the first chamfering structure 18, the setting of this chamfering structure, can facilitate the grafting between inserting terminal 11 and wiring hole, improves line efficiency.

Interpreting blueprints 1-and Fig. 3, the first clamp body 1 and the second clamp body 2 are respectively arranged with first wave shape wave wire casing 13 and the second waveform wire casing 23, and after two clamp bodies have assembled, two waveform wire casings enclose the wiring hole for accommodating electric wire to be connected.During crimping lead wire, along with constantly tightening of screw 3, the fitting surface of two clamp bodies gradually overlaps, and the extruding force from crest and trough that electric wire is subject in wiring hole is increasing, and then the deformation that is distorted, and is pressed on firmly in waveform wiring hole.After line ball completes, owing to wire there occurs torsional deformation, contact area is big, and good electrical property, frictional resistance is big, it is not easy to extracts out or rocks.

Interpreting blueprints 2, V-groove 12 does not penetrate the end face of plug end along the length of inserting terminal 11 axis, it is also formed with bail portion 16 at the plug position of inserting terminal 11, namely the plug end of inserting terminal 11 is provided with bail portion 16, the effect in described bail portion 16 be by and screw 3 between mutual stop, the inserting terminal 11 preventing grafting from entering wiring hole is drawn out of or loosens.

As deformation or the improvement of the present embodiment, the first clamp body 1 and the second clamp body 2 can only be provided with a wire casing, in wire casing, be provided with anti-skid structure；As another deformation or the improvement of the present embodiment, two wire casings can also just arrange anti-skid structure in only one of which wire casing.Further, the concrete form of anti-skid structure can be various structures listed in table 1 or its possible combination, such as wire casing can be straight hole wire casings, and the anti-skid structure in wire casing can also be rough, any one or its possible combination in screw thread, convex-concave structure.It addition, in first wave shape wave wire casing 13 in the present embodiment, it is also possible to it is processed into rough or processes screw thread, strengthening the frictional force between wire casing and electric wire further.

Furthermore, the screw coordination structure on inserting terminal 11 can also use rectangular channel listed in table 1 or screwed hole.The coordination mechanism of rectangular channel is similar with V-groove 12, does not repeats them here.When screwed hole is as screw coordination structure, realize fixing between inserting terminal 11 and wiring hole mainly by the power of being spirally connected between itself and screw.In further embodiments, it is also possible to the bottom land at V-groove 12 or rectangular channel is threaded hole, after the screw of power equipment or electronic product contacts bottom land, then the screwed hole of bottom land is screwed in add mechanical performance and the electrical property of strong ties.

The material of the electric wire switching device in the present embodiment is No. 6063 aluminium alloys of GB, the use of this material can partially remove or suppress the couple corrosion in inserting terminal 11 and power equipment or electronic product wiring hole between copper binding post, in the service life of extension device, improve safety coefficient.Additionally, owing to connecting between inserting terminal 11 and wiring hole that the present embodiment uses the wiring hole of aperture and power equipment or electronic product to match replaces being directly connected between electric wire to be connected and wiring hole, the compactness connected between wiring hole and inserting terminal 11 is higher, gap is less, moisture in air, oxygen or impurity are not easily accessed inserting terminal 11 and the connecting portion of copper binding post, inserting terminal 11 serves certain shielding action to connecting portion, make copper aluminum junction because lacking and occurring the essential condition of electrochemical reaction to be not easy to produce couple corrosion, solve gap when directly will be wired to copper binding post in prior art the most to a certain extent bigger, the problem easily producing potential safety hazard because of couple corrosion.Furthermore, owing to No. 6063 aluminium alloys of Al-Mg-Si-type aluminum alloy and GB such as GB 6060,6061,6063,6063A, 6101,6101A, 6101B, 6106,6463,6463A or No. 6082 aluminium alloys have similar proportioning and electric property, it is also used as the material of the electric wire switching device disclosed in various embodiments of the invention, reaches to eliminate or the purpose of suppression copper aluminum contact position electrochemical corrosion.

Embodiment two: for the electric wire switching device monomer of ammeter line

Embodiment two uses convex-concave portion as anti-skid structure, uses V-shaped groove as screw coordination structure, the first clamp body 1 is provided with straight hole wire casing 103, the second clamp body 2 is provided with line ball portion 206, line ball portion 206 is provided with small-bore wire casing 203；The material of electric wire switching device is No. 6063 aluminium alloys of GB.

Fig. 5-Fig. 7 is structure and the annexation schematic diagram of each parts in this utility model preferred embodiment 2；Fig. 5 is overall structure figure, and Fig. 6 is the first clamp body 1 structural representation, and Fig. 7 is the second clamp body 2 structural representation.

As shown in Figure 5, the electric wire switching device in the present embodiment includes the first clamp body the 1, second clamp body 2 and screw 3, and screw 3 is the secure component in the present embodiment.

It will be appreciated from fig. 6 that be provided with inserting terminal 11 on the first clamp body 1, the cross sectional shape of V-groove 12(V type groove 12 that is opened on inserting terminal 11 as shown in Figure 4), straight hole wire casing 103, screwed hole 14, the annular projection 105 being arranged in wire casing and be arranged on the bail portion 16 at inserting terminal 11 plug position.

Interpreting blueprints 7 understands, and the second clamp body 2 is provided with line ball portion 206, unthreaded hole 24 and the cell body 205 being arranged in line ball portion 206, and cell body 205 is the recess in the present embodiment.Described line ball portion 206 realizes being fastenedly connected two clamp bodies between with crimping cable, described unthreaded hole 24 for coordinating the screwed hole 14 on the first clamp body 1 and screw 3 for coordinating the straight hole wire casing 103 on the first clamp body 1.Described cell body 205 realizes the extruding to cable to increase contact area and frictional force for coordinating the annular projection 105 on the first clamp body 1.

Illustrating, the secure component in the present embodiment is the screw 3 with nut, during two clamp bodies of assembling, first by screw 3 through the unthreaded hole 24 on the second clamp body 2, screws in the screwed hole 14 on the first clamp body 1 the most again；Gradually tighten, until screw 3 cap compresses the second clamp body 2, between two clamp bodies, set up close contact.A deformation as the present embodiment, pilot hole on first clamp body 1 and the second clamp body 2 can also be all unthreaded hole, after screw passes the unthreaded hole on two clamp bodies, then screws in and the matching used nut of screw, tighten the screw, until two clamp bodies are compressed by nut and nut.Or, the first clamp body 1 and the second clamp body 2 can also be not provided with pilot hole, but directly use self tapping screw as secure component, during assembling, self tapping screw get out the pilot hole on two clamp bodies.

In embodiment 2, the shape of inserting terminal 11 is as shown in Figure 4, and interpreting blueprints understands, and the cross section of V-groove 12 is V-shaped.When the screw 3 of power equipment or electronic product screws in V-groove 12, screw 3 can produce certain pressure to the sidewall of cell body, and under the effect of this pressure, inserting terminal 11, to wiring hole generation crimp, finally sets up firm connection.And, being continuously increased of screw-in depth along with screw 3, extruding force between screw 3 and V-groove 12 sidewall is the most increasing, and V-groove 12 docks the deformation extent of string holes inwall and is also gradually increased, until setting up firm connection between inserting terminal 11 and wiring hole inwall and binding post.

Interpreting blueprints 5, Fig. 5 is the schematic diagram during electric wire crimp, when being power equipment or electronic product line when using the Wire adapter disclosed in embodiment two, first wire to be connected is put into the straight hole wire casing 103 on the first clamp body 1, then the second clamp body 2 is covered on the first clamp body 1, note when covering making the screwed hole 14 on the first clamp body 1 and unthreaded hole 24 dead in line on the second clamp body 2.Then the screw 3 using dimension screws in screwed hole 14 through unthreaded hole 24.Along with the screw-in of screw 3, the fitting surface of two clamp bodies moves closer to, and wire stretches to cell body 205 because of the extruding by annular projection 105, and then the deformation that is distorted, and is pressed between straight hole wire casing 103 and line ball portion 206.After line ball completes, owing to wire is twisted deformation, contact area is big, and good electrical property, frictional resistance is big, it is not easy to extracts out or rocks.

It addition, as shown in Figure 7, in line ball portion 206, the end for trolley wire is additionally provided with small-bore wire casing 203, and, the aperture of this small-bore wire casing 203 is less than the aperture of the straight hole wire casing 103 on the first clamp body 1.After electric wire is placed into straight hole wire casing 103, if the diameter of electric wire is less than the aperture of straight hole wire casing 103, being fixed of electric wire can be realized by the extruding between the small-bore wire casing 203 in line ball portion of line ball portion 206 and straight hole wire casing 103.

As deformation or the improvement of the present embodiment, the first clamp body 1 and the second clamp body 2 can only be provided with a wire casing, in wire casing, be provided with anti-skid structure；As another deformation or the improvement of the present embodiment, two wire casings can also just arrange anti-skid structure in only one of which wire casing.And, in the present embodiment and its various schemes improved, the concrete form of anti-skid structure can be various structures listed in table 1 or its possible combination, such as wire casing can be waveform wire casing, can also be straight hole wire casing, the anti-skid structure in straight hole wire casing can be rough, any one or its possible combination in screw thread, convex-concave structure.It addition, in straight hole wire casing 103 in the present embodiment and small-bore wire casing 203, it is also possible to it is processed into rough or processes screw thread, strengthening the frictional force between wire casing and electric wire further.Further, the quantity of the annular projection 105 in the present embodiment and cell body 205 can also have the change in quantity or size according to the difference of the specification of electric wire switching device.Furthermore, can also both be provided with protuberance in the straight hole wire casing 103 on the first clamp body 1, be provided with again recess, and another clamp body then be provided with structure and constitutes complementary counter structure with the convex-concave portion in orientation and the first clamp body 1.During line ball, wire body is caused extruding by the convex-concave portion on two clamp bodies simultaneously, and the degreeof tortuosity of cable increases further, and skidproof effect is more preferable.

Furthermore, the screw coordination structure on inserting terminal 11 can also use rectangular channel listed in table 1 or screwed hole.The coordination mechanism of rectangular channel is similar with V-groove 12, does not repeats them here.When screwed hole 14 is as screw coordination structure, realize fixing between inserting terminal 11 and wiring hole mainly by the power of being spirally connected between itself and screw 3.In further embodiments, it is also possible to the bottom land at V-groove 12 or rectangular channel is threaded hole, after the screw of power equipment or electronic product contacts bottom land, then the screwed hole of bottom land is screwed in add mechanical performance and the electrical property of strong ties.

Furthermore, see Fig. 6, in the present embodiment, the plug end of inserting terminal 11 is additionally provided with the first chamfering structure 18, to facilitate the connection between inserting terminal 11 and power equipment or electronic product wiring hole.It addition, be provided with the second chamfering structure 17 on inserting terminal 11 on the seamed edge of V-groove 12 opening part, to facilitate the cooperation between screw 3 and V-groove 12, improve wiring efficiency.

Copper aluminum connection between inserting terminal 11 and power equipment or electronic product can be played a protective role by aluminum alloy material, weakens or suppresses Cu and Al combination portion to produce contact resistance change because of couple corrosion greatly, joint portion fever phenomenon.

Protection domain of the present utility model also includes following deformation, replaces or improve:

In other embodiment, it is possible to use as snap part or rope class secure component realize the assembling between clamp body.On the outer surface of two clamp bodies, such as it is respectively provided with rope groove, after wire stretches into metallic channel, applies coupling mechanism force with rope in rope groove location and can realize the compression of two clamp bodies.

In the embodiment of above-mentioned various embodiment and deformation thereof, the cooperation face between two clamp bodies is plane, in another embodiment, curved surface can also be processed in cooperation face, the cooperation curved surface of two clamp bodies constitutes complementation, matches mutually, aligning when facilitating two clamp bodies to assemble.

Furthermore, in above-mentioned various embodiment, the screw coordination structure for coordinating it is provided with screw 3 on inserting terminal 11, in another embodiment, screw coordination structure can also be not provided with on inserting terminal 11, but utilize the extruding of the frictional force between inserting terminal 11 and wiring hole and screw 3 to realize the connection between inserting terminal 11 and power equipment or electronic product wiring hole.

Additionally, the electric wire switching device that the utility model proposes, owing to connecting between inserting terminal 11 and wiring hole that the wiring hole using aperture and power equipment or electronic product is consistent replaces being directly connected between electric wire to be connected and wiring hole, the goodness of fit between wiring hole and inserting terminal 11 is higher, gap is less, moisture in air, oxygen or impurity are not easily accessed inserting terminal 11 and the connecting portion of copper binding post, inserting terminal 11 serves certain shielding action to connecting portion, make copper aluminum junction because lacking and occurring the essential condition of electrochemical reaction to be not easy to produce couple corrosion phenomenon, solve gap when directly will be wired to copper binding post in prior art the most to a certain extent bigger, the problem easily producing potential safety hazard because of couple corrosion.In further embodiments, it is also possible to coat conductive paste or electric power fat at the gap of the wiring hole after wiring completes or on surface, further copper aluminum connecting portion is carried out closed shield, improve security performance.

Furthermore, in the embodiment of above-mentioned various embodiments and deformation or improvement, all use aluminum alloy materials as the material of electric wire switching device, can eliminate or weaken the impact of couple corrosion to a certain extent.According to the relevant regulations of " power equipment installing engineering bus device construction and acceptance criteria ", in the outdoor or air humidity indoor close to 100%, 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 similar structure control couple corrosion of copper aluminum conversion terminal, copper-aluminium transition wire clip or the copper aluminum keyset general with in industry can be taked.Specifically, it is aluminum or aluminum alloy for connecting the material of the wiring hole part of electric wire, material at the inserting terminal 11 of the copper binding post of grafting wiring hole is metallic copper, uses the mode of plating, friction welding (FW) or casting to set up electrical connection between inserting terminal 11 and wiring hole.Or, whole electric wire switching device is aluminum alloy materials, is only provided with copper coating at inserting terminal 11 or is welded with copper tip.Further, conductive paste or electric power fat can also be coated in junction between the copper binding post in inserting terminal 11 and wiring hole, the a large amount of spaces at contact surface are filled up with fat, the immersion of oxygen, moisture and impurity in minimizing air, the junction point making conductor keeps good wire performance in long-term operation, contact resistance will not raise, and ensures that the long-term safety of circuit is run.

In another embodiment, in order to improve the security performance of device, being additionally provided with contact condition sensor and the activation signal delivery unit being electrically connected with contact condition sensor on described electric wire switching device monomer, described contact condition sensor for the real-time operating temperature detecting electric wire switching device and sends the data detected to activation signal delivery unit；Described activation signal delivery unit data after processing the data received and processing send upper position detecting system by the way of wireless connections or wired connection to, then are estimated the connection status between its with electric wire and wiring hole according to the operating temperature of electric wire switching device by upper position detecting system and take corresponding safety measure.Wherein contact condition sensor is heat sensitive component, and preferably contact condition sensor is the critesistor 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.

Claims (18)

1. an electric wire switching device monomer, it is characterised in that: include the first clamp body, the second clamp body and secure component, described first clamp body and the second clamp body are provided with the wire casing for accommodating electric wire at least one clamp body；The corresponding position of described first clamp body and the second clamp body is provided with for coordinating secure component to connect the first clamp body and the pilot hole of the second clamp body, the cooperation that described secure component can pass through between pilot hole compresses two clamp bodies, being provided with column inserting terminal on one of them clamp body in described first clamp body or the second clamp body, described inserting terminal is used for grafting power equipment or the wiring hole of electronic product.

Electric wire switching device monomer the most according to claim 1, it is characterised in that: the size of described inserting terminal is consistent with the size of the wiring hole treating grafting.

Electric wire switching device monomer the most according to claim 1, it is characterised in that: being provided with anti-skid structure in described wire casing at least one wire casing, described anti-skid structure is possible to prevent clamping connection electric wire in wire casing to loosen.

Electric wire switching device monomer the most according to claim 1, it is characterized in that: be provided with screw coordination structure on described inserting terminal, described screw coordination structure is fixed for the connection coordinating the housing pin of power equipment or electronic product to realize between inserting terminal and power equipment or the wiring hole of electronic product.

Electric wire switching device monomer the most according to claim 4, it is characterised in that: described screw coordination structure is V-groove or screwed hole.

Electric wire switching device monomer the most according to claim 5, it is characterised in that: when described screw coordination structure is V-groove, the plug end of described inserting terminal is additionally provided with bail portion.

7. according to the electric wire switching device monomer described in claim any one of claim 1-6, it is characterised in that: described secure component includes screw and nut, and described screw is with cap nut；Pilot hole on described first clamp body and the second clamp body is unthreaded hole；Unthreaded hole on described screw, two clamp bodies of nut screw connection realizes the assembling between two clamp bodies.

8. according to the electric wire switching device monomer described in claim any one of claim 1-6, it is characterised in that: described secure component is screw, and described screw includes cap nut；In described first clamp body and the second clamp body, the pilot hole at least one clamp body is screwed hole.

9. according to the electric wire switching device monomer described in any claim in claim 1-6, it is characterised in that: the aperture of described wire casing is slightly less than the aperture of electric wire to be connected.

10. according to the electric wire switching device monomer described in any claim in claim 1-6, it is characterised 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.

11. according to described electric wire switching device monomer arbitrary in claim 5 or 6, it is characterised in that: the plug end of described inserting terminal is provided with the first chamfering structure；It is provided with the second chamfering structure on the seamed edge of described V-groove opening part.

12. according to described electric wire switching device monomer arbitrary in claim 1-6, it is characterised in that: described electric wire switching device is copper material for the position of grafting wiring hole, is aluminium material for the position of crimped electric wire；It is welded together composition copper-aluminium transition structure by friction welding (FW) or casting between copper material and aluminium material.

13. according to described electric wire switching device monomer arbitrary in claim 1-6, it is characterized in that: be additionally provided with contact condition sensor and the activation signal delivery unit being electrically connected with contact condition sensor on described electric wire switching device, described contact condition sensor for the real-time operating temperature detecting electric wire switching device and sends the data detected to activation signal delivery unit；Described activation signal delivery unit is for receiving data and the data received sending to by the way of wireless connections or wired connection upper position detecting system.

14. according to described electric wire switching device monomer arbitrary in claim 1-6, it is characterised in that: being provided with wire casing on described first clamp body and the second clamp body, described pilot hole is arranged on the both sides of described wire casing；Pilot hole on described first clamp body is screwed hole, and the pilot hole on the second clamp body is unthreaded hole；Described secure component is screw.

15. according to described electric wire switching device monomer arbitrary in claim 1-6, it is characterized in that: on described first clamp body, be provided with wire casing, it is provided with line ball portion on second clamp body, described line ball portion is for causing extruding to the electric wire being contained in wire casing, to coordinate the wire casing on the first clamp body to fix electric wire；Described pilot hole is arranged on the two ends of wire casing, and the pilot hole on described first clamp body is screwed hole, and the pilot hole on described second clamp body is unthreaded hole；Described secure component is screw.

16. electric wire switching device monomers according to claim 15, it is characterised in that: being also equipped with wire casing in described line ball portion, the aperture of the wire casing in described line ball portion is less than the aperture of wire casing on described first clamp body.

17. 1 kinds of integrated form electric wire switching devices, it is characterized in that: include insulation shell and insulation lid, be provided with on described insulation shell the first clamp body as described at least two claim any one of claim 1-6 and as described in accommodating the storage tank of the first clamp body, described at least two the first clamp body is arranged in described storage tank；Being provided with the second clamp body corresponding with the first clamp body in insulation shell on described insulation lid and for housing the storage tank of described second clamp body, described second clamp body is arranged in the storage tank on described insulation lid；On described insulation shell or insulation lid, the place corresponding with inserting terminal offers the place corresponding with the wire casing on the first clamp body and the second clamp body on inserting terminal open-work, described insulation shell or insulation lid and offers wire casing open-work；Described inserting terminal stretches out insulation shell through inserting terminal open-work, and the wire casing on described first clamp body and the second clamp body aligns with wire casing open-work.

18. integrated form electric wire switching devices according to claim 17, it is characterised in that: described first clamp body and insulation shell are that to mould technique integrated by embedding；Described second clamp body and insulation shell are that to mould technique integrated by embedding.