CN1967941A - Shield treatment structure of shielded electric wire - Google Patents
Shield treatment structure of shielded electric wire Download PDFInfo
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- CN1967941A CN1967941A CN 200610136042 CN200610136042A CN1967941A CN 1967941 A CN1967941 A CN 1967941A CN 200610136042 CN200610136042 CN 200610136042 CN 200610136042 A CN200610136042 A CN 200610136042A CN 1967941 A CN1967941 A CN 1967941A
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- 238000003780 insertion Methods 0.000 description 24
- 230000037431 insertion Effects 0.000 description 24
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- 230000005540 biological transmission Effects 0.000 description 2
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Abstract
In a shielding structure of a shielding electric wire in which the shielding electric wire and a ground wire are interposed between two resin members, and a compressive force is caused to act on the resin members and an ultrasonic wave is simultaneously applied to fuse the resin portions, thereby forming a shielded portion, a protruded portion 20 is provided on one of junction faces of the two resin members and a hole 21 including a protrusion inserting portion 21a for inserting the protruded portion 20 and a resin inflow portion 21b provided in an inner position from the protrusion inserting portion 21a and having a smaller width than a width of the protrusion inserting portion 21a is provided on the other junction face, and step faces at both sides on a boundary between the protrusion inserting portion 21a and the resin inflow portion 21b in the hole 21 are formed to be a pair of inclined faces 21c and 21c.
Description
The application submitted on July 12nd, 2004, application number the dividing an application for the patent application of " shielding construction of shielding wire " that be 200410063596.6 denomination of invention.
Technical field
The present invention relates to a kind of shielding construction of shielding wire, it is by forming this shielding wire by means of two resin component ultra-sonic welded shielding wires and ground wire.
Background technology
Utilize the shielding construction of the routine of ultra-sonic welded in unexamined Japanese publication number 2001-6767, to disclose.By using two resin components 50 and 51 to form shielding construction, this resin component 50 and 51 has arcuate channel 50b and 51b and the ultrasonic horn (horn) that forms on public composition surface 50a and 51a, shown in Figure 13 (a) and 13 (b).More specifically, shown in Figure 14-17, ground wire 53 is installed in the upper position of shielding wire 52, shielding wire 52 parts of installation ground wire 53 peripheral and that insert between two resin components 50 and 51 with the heart yearn 52a that covers with litzendraht wire (shield member) 52c are so that provide ultrasonic vibration by ultrasonic horn, compress two resin components 50 and 51 of upper and lower simultaneously.
When applying the excusing from death vibration by ultrasonic horn, resin component 50 and 51, the insulation outer cover 53b of the insulation outer cover 52d of shielding wire 52 and ground wire 53 is melted by the vibrational energy in the using ultrasound ripple, so that the litzendraht wire 52c of the heart yearn 53a of ground wire 53 and shielding wire 52 reaches contact condition.When hyperacoustic application be done and melt partly solidified the time, two resin components 50 and 51 are become integral body, so that shielding wire 52 and ground wire 53 are fit to assembling each other.
Yet in the shielding construction of the shielding wire 52 of routine, two resin components 50 and 51 composition surface 50a and 51a are docked simply toward each other.For this reason, because ultrasonic vibration might cause displacement between two resin components 50 and 51.
For addressing the above problem, on composition surface 50a that can advise respectively and the 51a jut is set, and the hole is set on the another side of composition surface 5a and 51a to locate two resins 50 and 51 in two resin components 50 and 51.In addition, the bottom surface side that can advise this hole is set to the inclined plane and assembles the vibrational energy that causes in this way, makes the end face of jut reach line with the inclined plane and contacts.By this structure, to such an extent as to the top of jut and its adjacent part are promoted to melt the absorption affinity that has strengthened between two resin components 50 and 51.
Yet, in the case, wherein the reaction force that receives from the inclined plane of the end face by jut is unbalanced horizontal direction, can produce a kind of situation, wherein because the vibration in the using ultrasound ripple, this jut is damaged, and the absorption affinity between two resin components 50 and 51 thereby be reduced.If the end face of the jut in the hole and the contact-making surface on inclined plane (line contacts distance) are very little, and direct acting part of vibrational energy is reduced so that the absorption affinity between two resin components 50 and 51 can not be strengthened effectively on it.
Yet, in addition as shown in figure 17, under a kind of state, wherein in carrying out ultra-sonic welded, shielding wire 52 and ground wire 53 are interpolated between two resin components 50 and 51, have only the arcuate channel 50b and the 51b of resin component 50 and 51 to be fit to and shielding wire 52 and ground wire 53 assemblings, and the electric wire peripheral surface 50c and the 51c that are arranged on the peripheral edge are separated from one another.Therefore, the vibrational energy in the using ultrasound ripple only is focused on shielding wire 52 and the ground wire 53, proceeds to up to ultra-sonic welded to make electric wire peripheral surface 50c and 51c be fit to assembling each other.When the vibrational energy overconverged, like this, the insulation internal sleeve 52b of shielding wire 52 also is melted, and maintenance heart yearn 52a that can not be enough and the interval between the litzendraht wire 52c are so that the insulation property of shielding wire 52 are destroyed.Under situation worst, might heart yearn 52a and litzendraht wire 52c meeting short circuit.
And in the shielding construction of the shielding wire 52 of routine, two resin components 50 and 51 composition surface 50a and 51a are docked simply toward each other.For this reason, because ultrasonic vibration might cause displacement between two resin components 50 and 51.
For addressing the above problem, jut is set and the hole is set on the another side of composition surface 5a and 51a on composition surface 50a that can advise respectively and the 51a to locate two resins 50 and 51 in two resin components 50 and 51.By such structure, two resin components 50 and 51 displacements that can prevent each other, and the end face of jut and the bottom surface portions in hole are melted are to such an extent as to strengthened absorption affinity between two resin components 50 and 51.
When the electric wire adjacent surface of the arcuate channel 50b of resin component 50 and 51 and 51b is not suitable for and shielding wire 52 and ground wire 53 assemblings, and when having only jut to be set up to be assembled to the bottom surface in hole, under this state, wherein shielding wire 52 and ground wire 53 are inserted between resin component 50 and 51, yet, vibrational energy in the using ultrasound ripple is only assembled on jut, causes producing a kind of situation, and wherein jut is destroyed.Therefore, reduced absorption affinity between two resin components 50 and 51.As a result, reduced the electric wire self-supplying capacity.
Summary of the invention
Therefore, the present invention addresses these problems and the purpose that has is, the shielding construction of shielding wire is provided, it can prevent from that jut in the using ultrasound ripple is destroyed and can increase on it directly to act on a part by the jut vibrational energy, and can strengthen two absorption affinities between the resin component.
Another purpose provides a kind of shielding construction of shielding wire, and it can prevent the defective that transition convergence vibrational energy causes in the using ultrasound ripple on shielding wire or jut, thereby improves the insulation property of shielding wire, and, strengthen the electric wire self-supplying capacity.
For realizing purpose of the present invention, the invention provides a kind of shielding construction of shielding wire, comprising: the shielding wire that obtains by the periphery that covers heart yearn with shield member; Ground wire; Two resin components, be inserted with shielding wire and ground wire betwixt, each resin component that comprises the composition surface comprises the electric wire adjacent surface, shielding wire and ground wire adjacency on it, and the electric wire peripheral surface is round the electric wire adjacent surface, and the hole that on one of them of resin component, jut is set and on another resin component, is provided for inserting jut, and wherein two electric wire adjacent surfaces are adapted to fit in shielding conductor and ground wire, part between the bottom surface in jut and hole is configured to confined state, perhaps the part between the bottom surface in the part between two electric wire peripheral surfaces and jut and hole is configured to confined state, wherein under this state, shielding wire and ground wire are inserted between two resin components.
First aspect of the present invention is directly at the shielding construction of shielding wire, wherein the shielding wire and the ground wire that will obtain by the periphery that covers heart yearn with shield member is inserted between two resin components, and cause that pressure acts on two resin components, the using ultrasound ripple comes the molten resin part simultaneously, form the contact portion of the heart yearn of the shield member of shielding wire and ground wire whereby, wherein on one of them of the composition surface of two resin components, jut is set and the hole of containing the projection insertion section is set on another composition surface, be used to insert jut, with the resin inflow portion that interior location, is provided with from the projection insertion section, it has the width smaller less than the projection insertion section, and the step surface on the both sides at edge forms the inclined plane between the resin inflow portion in the two ends on the both sides of the end face of jut or projection insertion section and the hole.
In the shielding construction of shielding wire, in the online contact, the step surface adjacency in the end face of jut and the hole of symmetric position, and be laterally uniformly through the reaction force that jut receives from step surface.Therefore, can prevent that when applying ultrasonic wave jut is destroyed, and, increased the end face of jut and the contact area of hole medium dip face, cause increase in this part, vibrational energy directly acts on by jut on it.
Second aspect of the present invention is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein forms the inclined plane on the step surface sidepiece on border between the resin inflow portion in projection insertion section and hole.
In the shielding construction of shielding wire, it can obtain first aspect identical functions with the present invention.
The 3rd aspect of the present invention be directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein forms a pair of step surface with position toward each other on border between projection insertion section and the resin inflow portion, and the face that is set to tilt.
In the shielding construction of shielding wire, it can obtain first aspect identical functions with the present invention.
The 4th aspect of the present invention is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein between projection insertion section and resin inflow portion, place the formation step surface outside border whole, and all step surfaces that form are the faces that tilts.
In the shielding construction of shielding wire, except the function of first aspect of the present invention, disperseed the reaction force that receives from the inclined plane through the end face of jut more equably, and, further increased the end face of jut and the contact area of hole medium dip face.
The 5th aspect of the present invention directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein forms the inclined plane on the end face sidepiece of jut.
In the shielding construction of shielding wire, except the function of first aspect of the present invention, the inclined plane of the end face by jut, jut can insert in the hole smoothly, even two resin components are each other by slight displacement.
Directly at the shielding construction of the shielding wire of the 5th aspect according to the present invention, wherein the end face of jut has the respect to one another a pair of end that forms with the inclined plane in the 6th aspect of the present invention.
In the shielding construction of shielding wire, it can obtain the 5th aspect identical functions with the present invention.
Directly at the shielding construction of the shielding wire of the 5th aspect according to the present invention, wherein the end face of jut has all ends respect to one another that form the inclined plane in the 7th aspect of the present invention.
In the shielding construction of shielding wire, except the function of the 5th aspect of the present invention, disperseed the reaction force that receives from the inclined plane through the end face of jut more equably, and, the end face of jut and the contact area on the inclined plane in the hole further increased.
The 8th aspect of the present invention is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein each resin component is being provided with jut through on first diagonal of virtual center, and be in equidistant position of going up away from virtual center, be provided with the hole with process virtual center second diagonal, it is in equidistant position of going up away from virtual center.
In the shielding construction of shielding wire, except the function of of the present invention first to the 7th aspect, it can use components identical to two resin components.
As mentioned above, according to a first aspect of the invention, on one of them of the composition surface of two resin components, jut is set and the hole of containing the projection insertion section is set on another composition surface, be used to insert jut, with resin inflow portion is set interior location from the projection insertion section, it has the width smaller less than the projection insertion section, and the step surface on the both sides at edge forms the inclined plane between the resin inflow portion in the two ends on the both sides of the end face of jut or projection insertion section and the hole.Therefore, in the online contact, the step surface adjacency in the end face of jut and the hole of symmetric position, and be laterally uniformly through the reaction force that jut receives from step surface.Therefore, can prevent that when applying ultrasonic wave jut is destroyed, and it can increase the end face of jut and the contact area of hole medium dip face, thereby increase vibrational energy by the direct acting part of jut.Therefore, can strengthen two absorption affinities between the resin component.
According to a second aspect of the invention, on the step surface sidepiece on border between projection insertion section and the resin inflow portion in the hole, form the inclined plane.Therefore, it can obtain and the identical advantage in first aspect of the present invention.
According to a third aspect of the present invention, the face that on border between projection insertion section and the resin inflow portion, forms a pair of step surface and be set to tilt with position toward each other.Therefore, it can obtain those advantages identical with first aspect of the present invention.
According to a fourth aspect of the present invention, between projection insertion section and resin inflow portion, place the formation step surface outside border whole, and all step surfaces that form are the faces that tilts.Therefore, disperseed the reaction force that receives from the inclined plane through the end face of jut more equably, and, the end face of jut and the contact area of hole medium dip face further increased.Thereby, can further strengthen two absorption affinities between the resin component.
According to a fifth aspect of the present invention, on the end face sidepiece of jut, form the inclined plane.Therefore, though two resins each other by slight displacement, the inclined plane of the end face by jut, this jut can insert in the hole smoothly.Therefore, it can strengthen the operability of two adjacency between the resin component.
According to a sixth aspect of the invention, the end face of jut has the respect to one another a pair of end that forms with the inclined plane.Therefore, it can obtain those the identical advantages with the 5th aspect of the present invention.
According to a seventh aspect of the present invention, the end face of jut has all ends respect to one another that form with the inclined plane.Therefore, except function according to a fifth aspect of the present invention, it has disperseed the reaction force that receives from the inclined plane through the end face of jut more equably, and, further increased the end face of jut and the contact area of hole medium dip face.Therefore, it can further strengthen two absorption affinities between the resin component.
According to an eighth aspect of the present invention, each resin component is being provided with jut through on first diagonal of virtual center, and be in equidistant position of going up away from virtual center, on second diagonal hole is set with the process virtual center, it is in equidistant position of going up away from virtual center.Therefore, it can use components identical to two resin components.
The 9th aspect of the present invention is directly at the shielding construction of shielding wire, wherein the shielding wire and the ground wire that will obtain by the periphery that covers heart yearn with shield member is inserted between two resin components, and cause that pressure acts on two resin components, the using ultrasound ripple comes the molten resin part simultaneously, form the contact portion of the heart yearn of the shield member of shielding wire and ground wire whereby, wherein the composition surface of each resin component is provided with the electric wire adjacent surface, shielding wire and ground wire adjacency on it, and the electric wire peripheral surface is round the electric wire adjacent surface, and the hole that on one of them of resin component, jut is set and on another resin component, is provided for inserting jut, and two electric wire adjacent surfaces are adapted to fit in shielding conductor and ground wire, part between the part between two electric wire peripheral surfaces and the bottom surface in jut and hole one of them is configured to a kind of confined state at least, under this state, wherein shielding wire and ground wire are inserted between two resin components.
In the shielding construction of shielding wire, when beginning using ultrasound ripple, from what use, vibrational energy acts directly on electric wire adjacent surface and other the part.Therefore, it can prevent that the caused damage insulation property of vibrational energy are assembled in the transition of using ultrasound ripple on shielding wire.And the destruction of the caused jut of vibrational energy was assembled in transition when it can prevent on jut using ultrasound ripple.
The of the present invention ten aspect is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein the part between the bottom surface in the part between two electric wire peripheral surfaces and jut and hole is configured to a kind of confined state, under this state, wherein shielding wire and ground wire are inserted between two resin components.
In the shielding construction of shielding wire, when beginning using ultrasound ripple, in the beginning of using, vibrational energy directly acts on the bottom surface in electric wire adjacent surface, electric wire peripheral surface and jut and hole, and therefore is dispersed.Therefore, vibrational energy just on the electric wire adjacent surface is being not on the bottom in jut and hole yet.
The 11 aspect of the present invention is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein the part between two electric wire peripheral surfaces is configured to confined state, and the part between the bottom surface in jut and hole is configured under a kind of released state, under this state, wherein shielding wire and ground wire are inserted between two resin components.
In the shielding construction of shielding wire, when beginning using ultrasound ripple, in the beginning of using, vibrational energy directly acts on electric wire adjacent surface and the electric wire peripheral surface, thereby is dispersed.When the resin fusing is carried out, make the bottom surface in jut and hole be fit to assembling each other, same, vibrational energy directly acts on the bottom surface in jut and hole, thereby begins molten resin in that part.Therefore, vibrational energy just is not focused on the bottom that yet just is not focused at jut and hole on the electric wire adjacent surface.
The 12 aspect of the present invention is directly at the shielding construction of the shielding wire of first aspect according to the present invention, wherein the part between two electric wire peripheral surfaces is configured to released state, and the part between the bottom surface in jut and hole is configured to a kind of confined state, under this confined state, wherein shielding wire and ground wire are inserted between two resins.
In the shielding construction of shielding wire, when beginning using ultrasound ripple, in the beginning of using, vibrational energy directly acts on the bottom surface in electric wire adjacent surface and jut and hole, and thereby is dispersed.When carrying out the fusing of resin, make the bottom surface in jut and hole be fit to assembling each other, same, vibrational energy directly acts on the electric wire peripheral surface, thereby begins molten resin in that part.Therefore, vibrational energy just is not focused on the bottom that yet just is not focused at jut and hole on the electric wire adjacent surface.
As mentioned above, according to a ninth aspect of the present invention, two electric wire adjacent surfaces are adapted to fit in shielding conductor and ground wire, and the part between the part between two electric wire peripheral surfaces and the bottom surface in jut and hole one of them is configured to a kind of confined state at least, under this confined state, wherein shielding wire and ground wire are inserted between two resin components.When beginning using ultrasound ripple, from what use, vibrational energy acts directly on electric wire adjacent surface and other the part.Therefore, it can prevent that the caused damage insulation property of vibrational energy are assembled in the transition of using ultrasound ripple on shielding wire.Thereby, can strengthen the insulation property of shielding wire.And it can prevent the destruction of the caused jut of using ultrasound ripple transition convergence vibrational energy on jut.Thereby it can increase by two absorption affinities between the resin component.As a result, it can strengthen the self-supplying capacity of electric wire.
According to a tenth aspect of the present invention, the part between the part between two electric wire peripheral surfaces and the bottom surface in jut and hole is configured to a kind of confined state, and under this state, wherein shielding wire and ground wire are inserted between two resins.When beginning using ultrasound ripple, from what use, vibrational energy directly acts on the bottom surface in electric wire adjacent surface, electric wire peripheral surface and jut and hole, and therefore is dispersed.Therefore, vibrational energy just on the electric wire adjacent surface is being not on the bottom in jut and hole yet.Like this, it can strengthen the insulation property of shielding wire and the self-supplying capacity of raising electric wire.
According to an eleventh aspect of the present invention, part between two electric wire peripheral surfaces is configured to assembled condition, and the part between the bottom surface in jut and hole is configured to a kind of released state, and under this released state, wherein shielding wire and ground wire are inserted between two resin components.When beginning using ultrasound ripple, in the beginning of using, vibrational energy directly acts on electric wire adjacent surface and the electric wire peripheral surface, and thereby is dispersed.Make the bottom surface in jut and hole be fit to assembling each other when carrying out molten resin, same, vibrational energy directly acts on the bottom surface in jut and hole, thereby begins molten resin in that part.Therefore, vibrational energy not only assemble be on the electric wire adjacent surface also just on the bottom in jut and hole.Like this, it can strengthen the insulation property of shielding wire and the self-supplying capacity of raising electric wire.
According to a twelfth aspect of the present invention, part between two electric wire peripheral surfaces is configured to released state, and the part between the bottom surface in jut and hole is configured to a kind of confined state, and under this assembling, wherein shielding wire and ground wire are inserted between two resin components.When beginning using ultrasound ripple, in the beginning of using, vibrational energy directly acts on the bottom surface in electric wire adjacent surface and jut and hole, and thereby is dispersed.When carrying out molten resin, make the bottom surface in jut and hole be fit to assembling each other, same, vibrational energy directly acts on the electric wire peripheral surface, thereby begins molten resin in that part.Therefore, vibrational energy just is not focused on the bottom surface that yet just is not focused at jut and hole on the electric wire adjacent surface.Like this, it can strengthen the insulation property of shielding wire and the self-supplying capacity of raising electric wire.
Description of drawings
Fig. 1 is a decomposition diagram, is used to explain the screen method according to first embodiment of the invention;
Fig. 2 is a plane graph, shows the resin component according to first embodiment of the invention;
Fig. 3 is a perspective view, shows jut and hole according to first embodiment of the invention;
Fig. 4 is a cutaway view, shows a kind of state according to first embodiment of the invention, and wherein jut abuts against on the inclined-plane in the hole;
Fig. 5 is a cutaway view, shows the ultra-sonic welded part according to first embodiment of the invention;
Fig. 6 is a perspective view, shows the resin component according to first embodiment of the invention;
Fig. 7 is a cutaway view, shows that wherein shielding wire and ground wire are inserted between two resin components according to a kind of state in the using ultrasound ripple of first embodiment of the invention;
Fig. 8 is a perspective view, shows jut and hole according to second embodiment of the invention;
Fig. 9 is a perspective view, shows jut and hole according to third embodiment of the invention;
Figure 10 is a cutaway view, shows a kind of state according to third embodiment of the invention, and wherein the inclined plane of jut abuts against on the horizontal plane in the hole;
Figure 11 is a cutaway view, shows that wherein shielding wire and ground wire are inserted between two resin components according to a kind of state in the using ultrasound ripple of fourth embodiment of the invention;
Figure 12 is a cutaway view, shows that wherein shielding wire and ground wire are inserted between two resin components according to a kind of state in the using ultrasound ripple of fifth embodiment of the invention;
Figure 13 (a) is a perspective view, shows the resin component that is provided with in upper position of prior art;
Figure 13 (b) is a perspective view, shows the resin component that is provided with in lower position of prior art;
Figure 14 is a perspective view, shows the ultra-sonic welded part according to prior art;
Figure 15 is the cutaway view along the A-A line of Figure 14 according to prior art;
Figure 16 is the cutaway view along the B-B line of Figure 14 according to prior art;
Figure 17 is a cutaway view, has shown that according to a kind of state in the using ultrasound ripple of prior art, wherein shielding wire and ground wire are inserted between two resins.
Embodiment
Describe embodiments of the invention in detail below with reference to accompanying drawing.
As shown in Figure 1, constitute shielding wire 1 by following part: by two heart yearn 1a of twisting and 1a, the insulation internal sleeve 1b and the 1b of the periphery that covers heart yearn 1a and 1a respectively that forms by resin, as shield member, be used to cover the litzendraht wire 1c of the periphery of insulation internal sleeve 1b and 1b, with the insulation outer cover 1d that is formed by resin material, it covers the periphery of litzendraht wire 1c.
Constitute ground wire 2 through heart yearn 2a and insulation outer cover 2b, the outside 2b that covers of this insulation is formed by resin material, and covers the periphery of heart yearn 2a.
Shown in Fig. 1-7, a pair of resin component 3 and 3 is components identical, and composition surface 3a and 3a be set up and have electric wire adjacent surface 16, shielding wire 1 and ground wire 2 adjacency respectively on it.This electric wire adjacent surface 16 is made up of the tunnel-shaped arch surface 16a and the arch surface 16b of semicircle, and the tunnel-shaped arch surface 16a of semicircle is used for the shielding wire with the rectilinear direction extension, and arch surface 16b is used for extending to orthogonal direction the ground wire of the arch surface 16a that is used for shielding wire.Form electric wire peripheral surface 17 round the middle body of electric wire adjacent surface 16, and form resin through the whole circumference of the outer peripheral side of electric wire peripheral surface 17 and flow into concave surface portion 18.Flowing into resin from the resin of the fusing of electric wire adjacent surface 16 and electric wire peripheral surface 17 flows in the concave surface portion 18.Therefore, prevented that the resin that melts from flowing out the resin component of upper and lower to 3 and 3.
And, as shown in Figure 2, jut 20 that on first diagonal L 1, is provided with and 20 virtual center O through each composition surface 3a and 3a, and be in position respectively on equidistant away from virtual center O.On second diagonal L 2, hole 21 and 21 are set, through virtual center O and be in position respectively on equidistant away from virtual center O.More particularly, when the common composition surface 3a of resin component 3 and 3 and 3a docked toward each other, resin component 3 and 3 jut 20 were respectively inserted in the hole 21 on the opposing party's sidepiece, and therefore are assembled.
Shown in Fig. 3 and 4, each jut 20 of formation has rectangular cross section.This jut 20 is inserted in each hole 21, and is made of rectangular protrusions insertion section 21a, and the resin inflow 21b of portion is set from the interior location of projection insertion section, and has the width less than projection insertion section 21a.On the border between projection insertion section 21a and the resin inflow 21b of portion, form a pair of step surface, and be set on inclined plane 21c and the 21c with position respect to one another. Inclined plane 21c and 21c form in this way, and promptly inner internal direction with insertion is tilted to down.
On flowing into the diagonal of outside of concave surface portion 18, resin forms outside end face 19 respectively with four positions.On one of them, jut 20 is set on each external margin face 19 cornerwise, and on another diagonal, hole 21 is set on each external margin face 19.More specifically, when the common composition surface 3a of resin component 3 and 3 and 3a docked toward each other, resin component 3 and two juts of 3 were inserted in respectively in the hole 21 and therefore and are assembled.
As shown in Figure 7,21 bottom surface 21a forms resin flow channel 22 in inside from the hole.The resin of fusing flow into resin flow channel 22 from jut 20.Therefore, prevented that the resin of fusing from flowing out the upper and lower of resin component 3 and 3.The bottom surface 21a in hole 21 forms the inclined plane, and the end face 20a of jut 20 abuts against on the 21a of bottom surface with the line contact.
And, when the using ultrasound ripple, finish setting in this way, two electric wire adjacent surfaces enter the confined state (part in the position that is fit to shielding wire 1 and ground wire 2, wherein Fig. 7 is not provided with ground wire), and the part between the bottom surface 21a in the part between two electric wire peripheral surfaces 17 and 17 and the end face 20a of jut 20 and hole 21 enters confined state shown in Figure 7, and wherein shielding wire 1 and electric wire 2 are inserted between resin component 3 and 3.
As shown in Figure 6, constitute ultrasonic horn 4 by lower support pedestal 5 and ultrasonic horn body 6, and ultrasonic horn body 6 just is arranged on the lower support pedestal 5 and be used for producing ultrasonic vibration.Movably separate with vertical direction lower support base 5 and ultrasonic horn body 6 are set.Resin component 3 is set to the surface of lower support base 5, resin component 3 is set like this keeps making progress with composition surface 3a upset.Resin component 3 be set to ultrasonic horn body 6 below.The resin component 3 of She Dinging is held downward with composition surface 3a upset like this.
The mould 7 that is used for shielding processing has opening portion 8, is used to install the resin with the vertical direction infiltration, and with a left side and right position a pair of electric wire is set inserts passage 9 and 9 on the outside of the opening portion 8 that is used to install resin.Electric wire is set on the position of (P/2) at interval in half of the lay length of twist P of heart yearn 1a and 1a and inserts passage 9 and 9, and, be set up and have such width only allowing in the insertion position, wherein the heart yearn 1a of two twistings and 1a are by the arrangement of parallel longitudinal.Lay length of twist P among the embodiment is about 30mm.The inlet that electric wire inserts passage 9 and 9 forms taper seat 9a and 9a, has the width that reduces gradually on the direction that electric wire inserts.
And the mould 7 that is used for shielding processing has been equipped with the benchmark concave part 11 of the external position of ground wire insertion path 10 and opening 8, is used to install resin, and inserts passage 9 and 9 so that the difference line connects electric wire on orthogonal direction.Inserting ground wire 2 that path 10 is inserted into by ground wire almost is set at electric wire and inserts in the middle position between the passage 9 and 9.
Below, description is utilized the screen method of the mould 7 of shielding processing.
As shown in Figure 1, upper and lower resin 3 and 3 be set at respectively the following of ultrasonic horn body 6 and lower support pedestal 5 above.And the electric wire that shielding wire 1 is inserted into the mould 7 that is used for shielding processing inserts passage 9 and 9.Just in time shielding wire 1 is inserted into electric wire and inserts passage 9 and 9, the wherein heart yearn 1a of the twisting vertical setting parallel with 1a in the position.
Then, the ground wire that ground wire 2 is inserted into the mould 7 that is used for shielding processing inserts path 10, nestles up the position of benchmark concave part 11 until the top of ground wire 2 wherein.Therefore, ground wire 2 almost completely contacts with the end face of shielding wire 1, and with a kind of like this state, be that right-angled intersection shielding wire 1 is set up.
Subsequently, pull back the size that ground wire 2 is scheduled in such a way, promptly do not give prominence to the top of ground wire 2 from the upper and lower of resin component 3 and 3, and, lower support base 5 and ultrasonic horn body 6 are moved to the upper and lower respectively, cause upper and lower resin component 3 and 3 butt joint toward each other on common composition surface 3a and 3a and 3a whereby.Therefore, upper and lower resin component 3 and 3 is put into shielding wire 1 and ground wire 2 between them, so that shielding wire 1 is fit to be assemblied in arch surface 16a and the 16a that is used for shielding wire, and ground wire 2 is fit to be assemblied in arch surface 16b and the 16b that is used for ground wire.And resin component 3 and 3 jut 20 are inserted in the hole 21, so that resin component 3 and 3 is positioned.As shown in Figure 4, make edge on the end face both sides of jut 20 abut against on the inclined plane 21c and 21c in the hole 21.
When between ultrasonic horn body 6 and lower support base 5, causing that pressure vibrates with using ultrasound, then the insulation outer cover 2b of the insulation outer cover 1d of shielding wire 1 and ground wire 2 is melted and distributes the heat of generation by vibrational energy, to such an extent as to the litzendraht wire 1c of the heart yearn 2a of ground wire 2 and shielding wire 1 enters contact condition.And, the contact portion of the insulation outer cover 1d of each contact portion of resin component 3 and 3 composition surface 3a and 3a, the arch surface 16a of shielding wire that is used for resin component 3 and 3 and 16b and shielding wire 1 and be used for the arch surface 16b of ground wire of resin component 3 and 3 and the contact portion of the insulation outer cover of 16b and ground wire 2 is melted by the heat that vibrational energy produces, and the part that melts finishing the using ultrasound ripple after is cured.Therefore, the resin component 3 and 3 of upper and lower, shielding wire 1 and ground wire 2 are by (referring to Fig. 5) fixed to one another.
Below, will transmission and the inclined plane 21c in the hole 21 between jut 20 and resin component 3 and 3 and the fusing of the resin among the 21c of vibrational energy be described.As shown in Figure 4, the edge on the both sides of the end face 20a of jut 20 contacts with line with 21c with inclined plane 21c and is adjacent to each other.Therefore, this adjacent part is when acting on the path of transmitting vibrational energy so that jut 20 receives reaction force from inclined plane 21c and 21c.End face 20c by jut 20 is laterally uniformly from the reaction force that inclined plane 21c and 21c receive.Therefore, when the using ultrasound ripple, can prevent reliably that jut 20 is destroyed.And inclined plane 21c in the end face 20a of jut 20 and the hole 21 and the contact zone of 21c (line contacts distance) is greater than the contact zone of prior art.Therefore, can increase a part, directly act on vibrational energy by jut 20 on it.Thereby, can strengthen the absorption affinity between resin component 3 and 3.And the resin flow that melts in the hole 21 is gone into the resin inflow 21b of portion and can not flowed out.Therefore, can prevent reliably that the insulation outer cover 1d of shielding wire 1 and ground wire 2 and the resin that 2b is melted from partly destroying.
And, the jut 20 that each resin component is provided with on first diagonal L 1 and 20 is through virtual center O, and respectively in equidistant position away from virtual center O, and the hole 21 that is provided with on second diagonal L 2 and 21 is through virtual center O, and is in the position away from virtual center O on equidistant respectively.Therefore, components identical can be taken as resin component 3 and 3.
Below, will the details of transmission vibrational energy in the using ultrasound ripple be described.
Under shielding wire 1 and ground wire 2 are inserted into state between the resin component of upper and lower, two electric wire adjacent surfaces 16 and 16 are suitable for being assembled to shielding wire 1 and ground wire 2, and, part between the bottom surface 21a in the part between two electric wire peripheral surfaces 17 and 17 and the end face 20a of jut 20 and hole 21 is configured to the state that is suitable for assembling, as shown in Figure 3.Therefore, when beginning using ultrasound ripple, vibrational energy act directly on electric wire adjacent surface 16 and 16, the electric wire peripheral surface 17 and 17 and act on the end face 20a of jut 20 and the bottom surface 21a in hole 21 on, and therefore just disperseed from the beginning of using.In other words, vibrational energy is not only to be focused on electric wire adjacent surface 16 and 16.Therefore, the insulation internal sleeve 1b of shielding wire 1 is not melted, to such an extent as to the interval between heart yearn 1a and 1a and the litzendraht wire 1c can effectively be kept.And vibrational energy is not only to be focused on the bottom surface 21a in the end face 20a of jut 20 and hole 21.Therefore, prevented that jut 20 is destroyed, and increased the absorption affinity between the upper and lower resin component 3 and 3.Like this, can improve the insulation property and the enhancing electric wire self-supplying capacity of shielding wire 1.
And the resin of the fusing on composition surface 3a respect to one another and the 3a flow into resin and flows in the concave surface portion 18 and can not flow out, and the resin of fusing flow in the resin flow channel 22 and can not flow out in the hole 21.Therefore, can prevent that the insulating coating 1d of shielding wire 1 and ground wire 2 and the resin that 2b can not be melted from partly destroying.
Fig. 8 is a perspective view, has shown jut 20 and hole 21 according to second embodiment.
As shown in Figure 8, second embodiment is different from first embodiment, wherein forms step surface (in other words, two pairs of step surfaces toward each other) on the borderline whole peripheries between projection insertion section 21a and the resin inflow 21b of portion, and is set on the 21c of inclined plane.Because other structure is identical, will omit detailed description.
In a second embodiment, disperseed more equably from the reaction force that inclined plane 21c receives through the end face 20a of jut 20, and the contact-making surface of the inclined plane 21c in the end face 20a that has further increased jut 20 and the hole 21 (line contact apart from).Therefore, can further strengthen two absorption affinities between the resin component.
Fig. 9 and 10 has shown the 3rd embodiment, and Fig. 9 is a perspective view, has shown that jut 20 and hole 21 and Figure 10 are profiles, and the inclined plane 20b that has shown jut 20 abuts against the state on the horizontal plane 21d in the hole 21.
As shown in Figures 9 and 10, in the 3rd embodiment, the end face 20a of jut 20 has a pair of terminal respect to one another, forms inclined plane 20b and 20b.This is to inclined plane 20b and the 20b inclination with such direction, and promptly central side is outstanding downwards gradually towards the top.In addition, form a pair of step surface on the border between the resin inflow 21b of portion in projection insertion section 21a and hole 21, and be set to horizontal plane 21d and 21d.
In the 3rd embodiment, as shown in figure 10, the inclined plane 20b of the end face 20a of jut 20 and 20b contact on the edge of the horizontal plane 21d that abuts against in the hole 21 and 21d with linearity.Therefore, adjacent surface sends the path of vibrational energy so that the inclined plane 20b20b of jut 20 receives reaction force from horizontal plane 21d and 21d as being used to.The mode identical with first embodiment is laterally uniformly from the inclined plane 20b of jut 20 and the reaction force of 20b reception.Therefore, can prevent reliably that when the using ultrasound ripple jut is destroyed.And horizontal plane 21d in the inclined plane 20b of jut 20 and 20b and the hole 21 and the contact zone (line contacts distance) of 21d are greater than the contact-making surface of prior art.Therefore, can increase a part, directly act on vibrational energy by jut 20 on it.Thereby, can strengthen the absorption affinity between resin component 3 and 3.In addition, the resin flow that melts in the hole 21 is gone into the resin inflow 21b of portion and can not flowed out.Therefore, can prevent the destruction of the insulating coating 1d of shielding wire 1 and ground wire and the resin part that 2b is melted reliably.
In the 3rd embodiment, even two displacements each other that resin component is slight, inclined plane 20b and the 20b of the end face 20a by jut 20, jut 20 are smoothly in the patchhole 21.Therefore, can strengthen the operability of the butt joint between the resin component.
Below, will the variation of the 3rd embodiment be described.In this changed, the end face 20a of jut 20 had all terminals respect to one another that form on the inclined plane.And, on the whole peripheral circumferential on border between projection insertion section 21a and the resin inflow 21b of portion, form step surface.All step surfaces form horizontal plane.
In the variation of the 3rd embodiment, the inclined plane that is provided with on the whole peripheral circumferential of the end face of jut abuts against on the edge of the horizontal plane in the hole with the line contact.Therefore, the reaction force that receives through the edge of the horizontal plane of the inclined plane of jut from the hole is disperseed more equably, and the contact zone on the inclined plane in the end face of jut and the hole (line contact apart from) further increased.Therefore, can further strengthen absorption affinity between a pair of resin component.
Figure 11 is a profile, shows that wherein shielding wire 1 and ground wire 2 are inserted between two resin components 3 and 3 according to a kind of state in the using ultrasound of fourth embodiment of the invention.
As shown in figure 11, in a second embodiment, two electric wire adjacent surfaces 16 and 16 are suitable for being assembled to shielding wire 1 and ground wire 2, and the part between two electric wire peripheral surfaces 17 and 17 enters confined state, and the bottom surface 21a in the end face 20a of jut 20 and hole 21 is configured to separation condition in a kind of state, in this state, shielding wire 1 and ground wire 2 are inserted between the resin component of upper and lower when the using ultrasound ripple.Because other structure is basically the same as those in the first embodiment, and therefore, omits its detailed description.
In the 4th embodiment, beginning using ultrasound ripple, in the beginning of using, vibrational energy acts directly on electric wire adjacent surface 16 and the electric wire peripheral surface 17 and is therefore disperseed (distribute).When the resin fusing is carried out, make the end face 20a of jut 20 and the bottom surface 21a in hole 21 match each other, vibrational energy also acts directly on the bottom surface 21a in jut 20 and hole 21, and beginning resin fusing in that part.Therefore, vibrational energy is not just assembled on electric wire adjacent surface 16, is not just assembled on the bottom surface 21a in jut 20 and hole 21 yet.Therefore, can improve the insulation property of shielding wire 1 and the self-supplying capacity of enhancing electric wire.
Figure 12 is a cutaway view, shows that wherein shielding wire and ground wire are inserted between two resin components according to a kind of state in the using ultrasound ripple of fifth embodiment of the invention.
As shown in figure 12, in the 3rd embodiment, two electric wire adjacent surfaces 16 and 16 are suitable for assembling shielding wire 1 and ground wire 2, and the part between the end face 20a of jut 20 and the bottom surface 21a in hole 21 enters assembled condition, and the part between two electric wire peripheral surfaces 17 and 17 is configured to separation condition in a state, in this state, shielding wire 1 and ground wire 2 are inserted between the resin component of upper and lower when the using ultrasound ripple.Because other structure is basically the same as those in the first embodiment, therefore omit its detailed description.
In the 5th embodiment, when beginning using ultrasound ripple, in the beginning of using, vibrational energy acts directly on electric wire adjacent surface 16 and 16 and the bottom surface 21a in jut 20 and hole 21, and is therefore disperseed.When the resin fusing continues, make electric wire peripheral surface 17 and 17 match each other, vibrational energy also acts directly on electric wire peripheral surface 17 and 17, and begins the fusing of resin in that part.As mentioned above, vibrational energy is not just assembled on the electric wire adjacent surface 17 and 17, is not just assembled on the bottom surface 21a in jut 20 and hole 21 yet.Therefore, can improve the insulation property and the enhancing electric wire self-supplying capacity of shielding wire 1.
According to each embodiment, form the shield member of shielding wire 1 by litzendraht wire 1c, and preferably, almost cover the conductive component of Zone Full of the exterior periphery of insulation internal sleeve 1b and 1b, and (for example) can approach and form by conducting metal.
Although specification has provided example, shielding processing is to realize through two heart yearn 1a with twisting and the shielding wire 1 of 1a in an embodiment, but the present invention can be applied to have the shielding wire of a heart yearn 1a equally, perhaps at least three heart yearn 1a perhaps have two not shielding wires of the heart yearn of twisting.
Claims (3)
1. the shielding construction of a shielding wire comprises:
The shielding wire that obtains by the periphery that covers heart yearn with shield member;
Ground wire;
Two resin components, be inserted with shielding wire and ground wire betwixt, each resin component that comprises the composition surface comprises the electric wire adjacent surface, shielding wire and ground wire adjacency on it, and the electric wire peripheral surface is round the electric wire adjacent surface, and the hole that on one of them of resin component, jut is set and on another resin component, is provided for inserting jut, and
Wherein two electric wire adjacent surfaces are adapted to fit in shielding conductor and ground wire, part between the bottom surface in jut and hole is configured to confined state, perhaps the part between the bottom surface in the part between two electric wire peripheral surfaces and jut and hole is configured to confined state, wherein under this state, shielding wire and ground wire are inserted between two resin components.
2. according to the shielding construction of the shielding wire of claim 1, wherein the part between two electric wire peripheral surfaces is configured to confined state, and the part between the bottom surface in jut and hole is configured to a kind of released state, wherein under this state, shielding wire and ground wire are inserted between two resin components.
3. according to the shielding construction of the shielding wire of claim 1, wherein the part between two electric wire peripheral surfaces is configured to released state, and the part between the bottom surface in jut and hole is configured to confined state, wherein under this confined state, shielding wire and ground wire are inserted between two resin components.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003272838A JP3971723B2 (en) | 2003-07-10 | 2003-07-10 | Shield processing structure of shielded wire |
| JP272838/2003 | 2003-07-10 | ||
| JP273333/2003 | 2003-07-11 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100635966A Division CN1324762C (en) | 2003-07-10 | 2004-07-12 | Shielding structure of shielding electric wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1967941A true CN1967941A (en) | 2007-05-23 |
| CN100461531C CN100461531C (en) | 2009-02-11 |
Family
ID=34210271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101360423A Expired - Lifetime CN100461531C (en) | 2003-07-10 | 2004-07-12 | Shield treatment structure of shielded electric wire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3971723B2 (en) |
| CN (1) | CN100461531C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6793388B2 (en) * | 2016-07-12 | 2020-12-02 | 株式会社アルテクス | Joining method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3522974B2 (en) * | 1996-06-04 | 2004-04-26 | 矢崎総業株式会社 | Insulated wire joint structure |
| EP0834956B1 (en) * | 1996-10-01 | 2001-12-19 | Yazaki Corporation | Covered wire connection method and structure |
| JP3394179B2 (en) * | 1998-03-03 | 2003-04-07 | 矢崎総業株式会社 | Insulated wire connection structure |
| JP2001067952A (en) * | 1999-08-24 | 2001-03-16 | Union Machinery Co Ltd | Manufacture of wire harness and wire harness manufactured thereby |
| JP4509370B2 (en) * | 2000-12-26 | 2010-07-21 | ナイルス株式会社 | Sealed bonded structure of resin structure |
-
2003
- 2003-07-10 JP JP2003272838A patent/JP3971723B2/en not_active Expired - Fee Related
-
2004
- 2004-07-12 CN CNB2006101360423A patent/CN100461531C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005032665A (en) | 2005-02-03 |
| JP3971723B2 (en) | 2007-09-05 |
| CN100461531C (en) | 2009-02-11 |
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Granted publication date: 20090211 |