CN207474708U - The connecting structure for electrical equipment of cable - Google Patents
The connecting structure for electrical equipment of cable Download PDFInfo
- Publication number
- CN207474708U CN207474708U CN201590001081.5U CN201590001081U CN207474708U CN 207474708 U CN207474708 U CN 207474708U CN 201590001081 U CN201590001081 U CN 201590001081U CN 207474708 U CN207474708 U CN 207474708U
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- CN
- China
- Prior art keywords
- cable
- prefabricated portion
- prefabricated
- overmolded
- connecting structure
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5845—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the strain relief being achieved by molding parts around cable and connections
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- Connector Housings Or Holding Contact Members (AREA)
- Processing Of Terminals (AREA)
Abstract
The utility model discloses a kind of overmolded connecting structure for electrical equipment of the high quality for cable, particularly but the connecting structure for electrical equipment on the cable of modified outer surface is not exclusively related to.Also disclose a kind of method for manufacturing this connecting structure for electrical equipment.
Description
Technical field
The utility model is related to the connecting structure for electrical equipment of cable, are particularly but not exclusively related to modified outer surface
Cable connecting structure for electrical equipment.The utility model further relates to the manufacturing method of this connecting structure for electrical equipment.
Background technology
Standard cable is outer by one or more fixed electric wire of institute with what is be made of plastics.This standard cable has solid
Some fragility.In order to solve this problem, an additional sheath package cable is usually provided.Sheath increases intensity and resistance to
Long property.Sheath provides an additional protective layer outside cable by, and cable can be just may wear to after sheath abrasion.This
Outside, sheath can be provided with a variety of materials, texture, color so that it is with pleasant aesthetic feeling.
Sheath helps to solve other cable problems given below.
The electric wire of cable includes the conductive material in inner core.These conductive materials have the function of the shape of cable leading
And influence.In normal use, electric wire crimps and leads to cable bend to final undesired and mixed and disorderly shape.Cable can be with
It is forced to change to another shape.However, it is difficult to cable is restored to the original state.
By using such as sheath made of leather, additional resistance can be realized on cable.In the electric wire of cable
Conductive material cannot overcome the resistance of sheath.Therefore, sheath contributes to the undesired bending of reduction/elimination cable.It changes
Sentence is talked about, and sheath provides more soft effect, balances the power of conductive material, has obtained without entanglement cable.Therefore, sheath can
To help to reduce the entanglement of cable whithin a period of time.
In numerous applications, cable and connector are overmolded to form single component.The overmolded offer of cable
Stress release, this is critically important to the electrically and mechanically integrality and overall performance of CA cable assembly.In addition, this cladding
Molding stress release also provides good moisture resistance to be wired to the position of connector.
The method for manufacturing this overmolded stress release is as follows.Cable end piece is wired on connector.It will be electric
It places in a mold the end for being connected to connector of cable.The material with insulating properties such as PVC of melting are by injection die cavity.One
The material cooling and curing of denier melting, just form an overmolded terminal in cable end piece.Can be that plug or socket carry
For this overmolded connecting structure for electrical equipment.
This overmolded cable that can be highly suitable for smooth and uniform outer surface.
However, if cable has the as described above intensity for increasing cable and durability or the sheath for improving aesthetics,
It is then very difficult to carry out end connection overmolded.Since sheath has suture surface, braiding surface, structured surface, pearl
Sub or certain other uneven surfaces, sheath can form uneven or inconsistent outer surface outside cable.
Main difficulty is that accurate connection is formed between die cavity and cable outer surface.Overmolded material tends to pass through
It is popped up from mold in gap between uneven cable outer surface and die cavity.This causes low between cable and overmolded material
The sealing of quality.In addition, cable is unlimitedly flowed through cable and damaged by the material of heat fusing.
If the sheath of cable by be not easy to be attached to the material in overmolded portion such as leather, PU leather, fabric, metal,
The materials such as glass, timber or stone are made, then are further difficult to tipping connection.
When sheath is made of the material of such as leather, also there are another difficulties.During overmolded, it is overmolding to
The temperature of moulding mixture is usually more than 200 DEG C.The temperature can overflow to melt or burn by the gap between mold and sheath
Positioned at the sheath material of mold exterior.
In addition, when with very big power, overmolded plastics are injected into overmolded die cavity, if this heat fusing
Plastics are overflowed from the gap between mold, and sheath is easy for becoming security risk.
In addition, the pressure of overmolded mould inside can cause the cable of loose fit to be discharged from mold cavity, so as to make packet
Moulding material is covered to overflow outside die cavity.
Invention content
The utility model wishes that the cable for modified outer surface provides the overmolded electrical connection of high quality
Structure.
It is also desirable that have the cable of leather, PU leathers, fabric, metal, glass, sheath made of timber or stone to provide
The overmolded connecting structure for electrical equipment of such a high quality.
It is also desirable that the overmolded connecting structure for electrical equipment of this high quality is provided for small-sized and large-sized cable.
It is also expected to the cable with uneven outer surface provides a kind of method of overmolded connecting structure for electrical equipment, make
The material that must be melted is during overmolded by limitation so as to not overflowed from mold.
It is further desirable that provide a kind of method of overmolded connecting structure for electrical equipment on cable so that cable
The heat damages of material/processing will not be overmolded.
In view of the above situation, the first aspect of the utility model provides the electricity for being applicable to modified outer surface
The connecting structure for electrical equipment of cable, the connection structure include：
Prefabricated portion, firmly around the end of cable so that the electric wire in the end of the cable may be connected to electricity
Gas portion and
Wherein described prefabricated portion overmolded material of limitation melting during overmolded flows through prefabricated portion, the packet
It covers molding and forms insulation division, the insulation division is attached to being extended to electrically from prefabricated portion for prefabricated portion, electrical part and cable/wire
The part in portion.
Advantageously, prefabricated portion contributes to the material melted is prevented to cross prefabricated portion to flow to exposed cable.Positioned at prefabricated
Cable except portion is terminated to the heat and pressure of the overmolded material of melting.Therefore, overmolded material pair is reduced
The thermal damage of cable, and improve attachment quality of the overmolded portion to cable.
Prefabricated portion can include main body, the lug boss extended from main body, and lug boss is for increasing prefabricated portion and overmolded
Adhesive strength between the insulation division of formation.Preferably, the lug boss is the pedestal of " I " shape, and the pedestal of " I " shape is formed in pre-
In the main body in portion processed.When seeing in the plan view, lug boss can be arranged on the either side of cable.Prefabricated portion can have than packet
Cover the higher fusing point of forming part so that prefabricated portion will not melt during overmolded.
Overmolded material surrounds lug boss in the gap provided by lug boss is cured to, and from multiple sides.Cause
This, strengthens the engagement in prefabricated portion and overmolded portion.This improves end junction stress release abilities.
Prefabricated portion can have hole, and cable is inserted into the hole.Preferably, the shape and size in hole are selected as Adapter Cable
Shape and size.Preferably, the cross-sectional shape in hole is circle, polygon, ellipse or with arcuate section and straight
The combination of line part.Therefore, the connection of the utility model can be adapted for the cable of various sizes and shape.It is for example, larger straight
The hole of diameter can be suitble to the cable with larger cylindrical cross section.The size and shape in prefabricated portion can also be selected, to adapt to
Various sheath materials, including leather, double-layer leather such as PU leather, metal, fabric, glass, timber, stone etc..
Connecting structure for electrical equipment can be wrapped in the housing of overmolded insulation division.Housing can be by including metal
Any material is made.
Prefabricated portion can include the film that can be pierced through by cable.Film can be flexible so that film by cable after being pierced through
It is wrapped on cable.
Electrical part can be connector plug.
Connecting structure for electrical equipment can be provided to connect cables to softdog, connect cables to equipment, by cable connection
To terminating plug or socket, by two or more root cable connections to on-line encryption dog.Connecting structure for electrical equipment can be adapted for raising
Sound device, charging cable, earplug, the cable for extending cable, LAN, HDMI etc..
The present invention also provides the cables of the connecting structure for electrical equipment according to the first aspect with the utility model.
Cable can have sheath.Sheath is made of suture material, a beading, structured material or braided material.Sheath can
To be plastics, leather, PU leather, fabric, metal, glass, timber or stone.Sheath can it is glued, be arranged, suture, weaving, handing over
It knits, be sewn to cable.
The second aspect of the utility model is provided a method in the formation of the cable of modified outer surface electricity
Gas connection structure, the described method comprises the following steps：
(a) by prefabricated portion firmly around the end of cable,
(b) end of the cable is wired to electrical part,
(c) overmolded insulation division so that insulation division be attached to prefabricated portion, electrical part and cable/wire from prefabricated
Portion extends to the part of electrical part, wherein the overmolded material of prefabricated portion limitation melting flow through during overmolded it is prefabricated
Portion.
The step of this method can include covering overmolded portion with housing.Housing can be by rigidity or flexible material system
Into.Housing can be made of metal.It overmolded portion can be relative to prefabricated portion's indent so that metal shell is shelved on prefabricated portion
On.
Step (a) can include inserting the cable into prefabricated portion.Preferably, prefabricated portion includes the film that can be pierced through by cable, makes
Film is obtained to be coated on cable.
Step (a) can include the cable being inserted into prefabricated portion of further pulling back, so that film is made to generate folding on cable
Winding.
The third aspect of the utility model provides a kind of electrical for being formed on the cable of modified outer surface
The prefabricated portion of connection structure, wherein prefabricated portion is arranged for the end firmly around cable so that the electricity of the end
The electric wire of cable may be connected to electrical part, and
Wherein described prefabricated portion is arranged for flowing through in the overmolded material of the overmolded melting of limitation in the process pre-
Portion processed, the overmolded formation insulation division, the insulation division be attached to prefabricated portion, electrical part and cable/wire from prefabricated
Portion extends to the part of electrical part.
Prefabricated portion can have the aperture of the outer diameter less than cable.
Prefabricated portion can include main body, the one or more lug bosses extended from the main body in prefabricated portion, lug boss be used for
The engagement in overmolded portion.It is further preferred that prefabricated portion includes extending out with the direction in contrast to protrusion from main body
Component, the component is for extending the hole.
Prefabricated portion can have fusing point more higher than overmolded portion.
Prefabricated portion can include the film in covering hole, cable puncture/tear that film can be pushed into.
The film of puncture/tear can contribute to any gap between hermetically-sealed cable and hole.It preferably, can be by opposite
In prefabricated portion's removal cable make puncture/tear film fold wrap back on cable, so as to further help in hermetically-sealed cable and
Any gap between hole.
Film can be integrally formed with prefabricated portion.
The another aspect of the utility model provides a kind of cable with the outer quilts of PVC, which has sheath.
Description of the drawings
The utility model is specifically described below with reference to attached drawing and engaging example, the advantages of the utility model and realization
Mode will be more obvious, and content is only used for the explanation to the utility model wherein shown in attached drawing, without forming to this reality
With it is novel in all senses on limitation, in the accompanying drawings：
Figure 1A to 1D shows one section of cable of modified outer surface.Particularly, Figure 1A is respectively illustrated to 1D and is had
Suture the cable of sheath, beading sheath, structuring sheath and braided sheath.
Fig. 2A to 2E shows the group of the connecting structure for electrical equipment for cable of one embodiment according to the present utility model
The step of dress, wherein：
Fig. 2A shows the end of cable；
Fig. 2 B show that the end of cable is inserted into prefabricated portion；
What Fig. 2 C showed the shown cable of Fig. 2 B is wired to connector；
Fig. 2 D show the embodiment and overmolded obtained insulation division in Fig. 2 C, insulation division be attached to prefabricated portion,
The part that connector is extended to from prefabricated portion of connector and cable/wire.
Fig. 2 E show the embodiment of Fig. 2 D and the housing in the overmolded portion of covering.This is completely to can be used for plug
End connects.
Fig. 3 A and 3B respectively illustrate the connecting structure for electrical equipment for cable of one embodiment according to the present utility model
Prefabricated portion front view and sectional view.
Fig. 4 A to 4D respectively illustrate the connecting structure for electrical equipment for cable of four embodiments according to the present utility model
Prefabricated portion end-view.Particularly, Fig. 4 A to 4D show that prefabricated portion with hole, and the cross section in hole is larger respectively
The combination of round, smaller circle, pentagon and arch and straight line.
Fig. 5 A, 5B and 5C respectively illustrate the electrical connection knot for cable of second embodiment according to the present utility model
Vertical view, front view and the sectional view in the prefabricated portion of structure.
Fig. 6 A, 6B, 6C and 6D show second embodiment according to the present utility model, and cable is assembled before overmolded
With the progressive stages in prefabricated portion.
Fig. 7 shows showing for two cables applied to the modified outer surface of the technical solution of the utility model connection
It is intended to.
Fig. 8 shows that the technical solution of the utility model is applied to connect cables to the schematic diagram of " softdog ".
Fig. 9, which is shown, is applied to the technical solution of the utility model by two cable connections to same " softdog "
Schematic diagram.
Figure 10 shows the schematic diagram for being applied to connect cables to equipment of the technical solution of the utility model.In Fig. 8
In, illustrate only the partial view of equipment.The equipment can be any electrically or electronically equipment.
Specific embodiment
Cable 10, which has, is maintained at outer one or more insulated electric conductor 12 by 14 of plastics.It is outer by 14 that covering can be provided
Sheath 16 for functional purposes, such as obtain certain strength, flexibility or the rigidity of cable, wearability or provide can with for
The outer surface of the accessory engagement of installation etc..In addition, sheath 16 can be arranged for decorative purpose, attractive vision
Appearance is color coded cable 10.Sheath 16 be usually closely installed at it is outer by 14 so that cable is as single portion
Part.
Some cables 10 have it is smooth with consistent outer surface, and other cables 10 it is modified, it is non-uniform or with
The inconsistent outer surface of other modes.The example of the cable 10 of modified outer surface is shown in Figure 1A to 1D.
In figure 1A, sheath 16.1 is made of suture material.The suture of sheath 16.1 from it is outer by 14 protrusion so as to lead
Send a telegraph 10 modified outer surface of cable.16.1 material of sheath can be leather, fabric or some other flexible materials.
In fig. ib, sheath 16.2 has a multiple beading.Each beading have independent crooked outer surface, so as to cause electricity
10 modified outer surface of cable.Beading sheath 16.2 can be made of the combination of suitable plastics, metal or plastics and metal.
In fig. 1 c, sheath 16.3 is made of the structured material with multiple radial corrugations.Therefore, the appearance of cable 10
Face is due to ripple and uneven.Structuring sheath 16.3 can be by the plastics of such as PVC or the made of metal of such as aluminium or galvanized steel
Into.
In Fig. 1 D, sheath 16.4 is braided material.Braided material includes multiply material, is woven in together to provide
Flexible shroud 16.4.Braided sheath 16.4 can be made of metal or plastics.
Sheath 16.1,16.2,16.3,16.4 can be made of the plastics of any form or type.
As described in the background section, it is difficult to the electricity shown in the cable (such as Figure 1A to 1D) of modified outer surface
Cable and/or with being not easy to be attached to the cladding material such as leather of overmolded material, fabric, timber, stone or metal etc
Cable provide high quality it is overmolded.
With reference to figure 2A to 2E, in one embodiment, the utility model provides a kind of prefabricated portion 20, it is overmolded it
The preceding non-uniform outer surface for reliably surrounding cable 10, flows through exposed cable 10 to limit overmolded material 40.It is prefabricated
Portion 20 is made of the material with fusing point more higher than the material in overmolded portion 40 so that preformed material is in overmolded process
In will not melt.Prefabricated portion 20 can be injection molding plastic article.
The end of cable 10 is inserted into from the hole 24 in prefabricated portion 10.Prefabricated portion 20 is located near the end of cable 12.Prefabricated portion
Size and shape around the hole 24 of the sheath 16 of cable send a telegraph the tight fit between cable 10 and prefabricated portion 20, make 10 He of cable
Very close to each other or minimum clearance between the hole 24 in prefabricated portion 20.Cooperation between the hole 24 in prefabricated portion 20 and cable 10 is being overmolding to
The material injection that melting is limited during type is more than prefabricated portion 20.
The electric wire 12 of cable 10 protrudes prefabricated portion 20.After it located prefabricated portion 20, electric wire 12 is connected to connector 30
To avoid the joint looseness before overmolded process between electric wire 12 and connector 30.Connector 30 is more than prefabricated portion 20
Hole 24.Electric wire 12 can be connected to connector 30 by simple Mechanical Contact, welding or any other known mode or connect
Meet the PCB of device 30.
The electric wire 12 of cable 10 is connected to after connector 30, and the cable 10 and connector 30 with prefabricated portion 20 are placed
In injection-molded mold (not shown).Prefabricated portion 20 and connector 30 are with the rigid material for determining shape and uniform outer surface
Material.The edge of mold can generate determining barrier and sealing with prefabricated portion 20 and the outer surface of connector 30, any to prevent
Overmolded material is overflowed from the fringe region of mold.It is importantly, close between the prefabricated portion 20 of cable 10 and sheath 16
Cooperation limits overmolded material and is spilt on cable 10 from prefabricated portion 20.Moulding material this minimize hot melt is unlimited
System ground flows through the chance of the damage of cable 10 caused by cable 10, because the moulding material of hot melt flows through the possible damage electricity of cable 10
Cable 10.
Once the end of cable 10 is appropriately held in mold, the material of melting is just injected to form overmolded portion
40.Overmolded portion 40 extends between prefabricated portion 20 and connector 30.The prefabricated portion 20 of overmolded 40 covering cable 10 of portion
Electric wire 12 and covering electric wire 12 and the region of 30 junction of connector between connector 30.Overmolded portion 40 has
Insulation performance provides safety to the user so that the electric current spread out of from any particular wire 12 is isolated.
Prefabricated portion 20 includes main body 22, two lug bosses 26 extended from main body 22.Overmolded portion 40 surrounds lug boss
26 curings, to strengthen the engagement between prefabricated portion 20 and overmolded portion 40.Similarly, connector 30 has hole 32, cladding
Forming part 40 cures on it, to strengthen the engagement between connector 30 and overmolded portion 40.
Alternatively, prefabricated portion 20 can be provided with recess portion to be engaged with overmolded portion 40.
Alternatively, connector 30 can be provided with lug boss to be engaged with overmolded portion 40.
Overmolded portion 40 is connected to prefabricated portion 20 and causes prefabricated portion 20 and the side of the one side of overmolded portion adjoining
Edge is exposed to except overmolded portion 40.In a preferred embodiment, all outer edges of the side in prefabricated portion 20 are all exposed to
Except overmolded portion 40.Metal shell 50 slips over overmolded portion 40 and sets aside to being exposed for the side in prefabricated portion 20
Outer edge.
Controlling metal shell 50 and overmolded portion 40 or lug boss 26, (top surface of lug boss 26 can expose, below meeting
Illustrate) size to form interference fit in metal shell 50 and overmolded portion 40 or lug boss 26.Metal shell as a result,
50 are firmly held in the overmolded portion 40 of 10 end of cable.
It should be appreciated that the housing 50 in the cured overmolded portion 40 of covering is optional.
The connecting structure for electrical equipment 100 is that the electric wire 12 for the cable 10 for being connected to connector 30 provides stress release.
It is the plug for applying technical solutions of the utility model shown in Fig. 2 E.However, the application of the utility model is unlimited
In plug.It can be used for socket.
With reference to figure 3A and 3B, prefabricated portion 20 has main body 22.Main body 22 has first side 22.1 and second side 22.2.
First side 22.1 in the assembled state is towards electrical part 30.Second side in the assembled state faces to tie from electrical connection
The cable 10 that structure 100 extends out.Second side 22.2 is away from each other with first side 22.1.Prefabricated portion 20 is included from main body 22
Two lug bosses 26 that first side 22.1 extends.In the assembled state, lug boss 26 is located at the cable for being connected to electrical part 30
10 end.Prefabricated portion 20 includes the component 28 to extend out from the second side 22.2 of main body 22.In assembled state, component
The cable 10 that 28 directions extend out from connecting structure for electrical equipment 100.Prefabricated portion 20 is included across the hole 24 of component 28 and main body 22.
Hole 24 is located at the center in prefabricated portion 20.
Main body 22 is flat rectangular-shaped piece.First side 22.1 is flat surface, to be carried during overmolded
For the sealing engagement at the edge with mold.In the present embodiment, the shape in the second face 22.2 and structure with it is overmolded during
Prefabricated portion 20 and mold between sealing it is unrelated.
The component 28 extended from ontology 22 is provided to provide enough length for hole 24, it is appropriate that hole 24 needs in use
Ground clamps cable 10.This additional length is particularly suitable for small connecting structure for electrical equipment.
Lug boss 26 is " I " shape and is located at the arbitrary side in hole 24.Each " I " shape lug boss 26 include rib, two
The pedestal being connected with rib.Each " I " shape lug boss 26 has certain thickness.Each the pedestal of " I " shape lug boss 26 with it is prefabricated
The first side 22.1 of the main body 22 in portion 20 connects.Two " I " shape lug bosses 26 are parallel to each other so that two " I " shape lug bosses
26 four upper surfaces form the first plane 26.1, and four bottom faces of two " I " shape lug bosses 26 form the second plane 26.2.
In use, the first plane 26.1, the second plane 26.2 can be respectively rested on two opposite surfaces of mold.This cloth
It puts and makes it easy to position prefabricated portion 20 in a mold, vice versa.It is also contributed between mold and first side 22.1
Good sealing/engaged/disengaged is provided, because the angle of the first plane 22.1 between plane 26.1 and 26.2 is known.
In the present embodiment, the angle between plane 26.1 and plane is 90 °, and the angle between plane 26.2 and plane is 90 °.From
And improve the efficiency of overmolded processing.
With reference to figure 4A and 4B, the cross section in the hole 24 in the prefabricated portion 20 seen in these figures is circular.Hole 24 is vertical
There is straight profile upwards, i.e. the cross section in hole 24 does not change in a longitudinal direction.The hole 24.1 in the prefabricated portion 20 in Fig. 4 A has
There is diameter D1.The hole 24.2 in the prefabricated portion 20 of Fig. 4 B has diameter D2.D1 is more than D2.Therefore, there is the prefabricated portion 20 of diameter D2
During the larger cable being difficult in adapt to, the prefabricated portion 20 with diameter D1 may be selected.Similarly, for cannot be firmly held in
The prefabricated portion 20 with diameter D2 may be selected in smaller cable in prefabricated portion 20 with diameter D1.
Due to the flexibility of cable material, the bore dia D1 or D2 in prefabricated portion 20 can accommodate a certain range of cable 10.Therefore,
The end (to a certain extent) of larger cable 10 can also be extruded in the smaller hole in prefabricated portion 20.
For example, the prefabricated portion 20 with round hole 24.1 or 24.2 is suitable for the cable 10 with braided sheath 16.4.Directly
The hole 24.1 of diameter 3mm can accommodate the cable 10 of the sheath 16.4 with braiding of a diameter of 3.5mm to 5mm, this is because electric
Flexibility and its of cable 10 can be extruded in hole 24.1.
If the outer diameter of cable 10 is less than 3.5mm, smaller hole 24.2 is needed to provide enough tight fits, with limit
Overmolded material is made to flow out from gap/loose fit between cable 10 and hole.
With reference to figure 4C, the hole 24.3 in prefabricated portion 20 has pentagonal cross-section.Prefabricated portion 20 with pentagon hole 24.3
Suitable for accommodating the cable of the pentagonal cross-section with the size for being equal or slightly larger than hole 24.3.
With reference to figure 4D, the hole 24.4 in prefabricated portion 20 is part-elliptical and part is flat.Particularly, hole 24.4 is transversal
Face has the arcuate section for being connected to straight/flat.The cross-sectional profiles in hole 24.4 are suitable for suture sheath 16.1
Cable 10, such as shown in Figure 1A.In use, when the end of this cable 110 is inserted into hole 24.4, sutured portion folds
In hole 24.4 to provide tight fit between cable 10 and hole 24.4, which limit the materials melted during overmolded
It is sprayed from prefabricated portion 20.
In addition, hole 24 can have along the profile other than the outline of straight line on the length direction of cable.In other words, it is horizontal
Section can on the longitudinal direction in hole modified profile.For example, hole 24 can have the inner wheel of bending in a longitudinal direction
Exterior feature is to match the profile of the beading sheath 16.2 shown in Figure 1B.Once a beading for sheath 16.2 are squeezed into hole 24, a beading
Its original-shape or approximate original-shape will be changed with the profile of mating hole 24.
With reference to figure 5A to 5C, in the second embodiment of the utility model, prefabricated portion 20 includes film 29.In addition to this, in advance
Portion 20 processed is structurally similar to the prefabricated portion 20 of above-described embodiment.
Film 29 covers the hole 24 at the first side 22.1 in prefabricated portion 20.Film 29 is from the first side of the main body 22 in prefabricated portion 20
It protrudes in face 22.1.The protrusion direction of film 29 is identical with 26 protrusion direction of lug boss, is located at towards the side of electrical part 30.
The thickness of film 29 is about 0.08mm.Film 29 has pliability.
Film 29 is made of the material identical with prefabricated portion 20.For example, film 29 and prefabricated portion 20 can be made of PVC.Film 29
Single component is manufactured into prefabricated portion 20.
In alternative embodiments, film 29 can be made of the material different from the material in prefabricated portion 20.This film 29 will be logical
It crosses known mode and is joined to prefabricated portion 20.
In another alternate embodiment, prefabricated portion 20 can include multiple films 29 along hole 24.This structure will increase prefabricated
The gap-closing ability in portion 20.
In another alternate embodiment, film 29 can be located at the second side 22.2 in prefabricated portion 20.
With reference to figure 6A to 6D, the method for showing the prefabricated portion 20 that cable 10 is assembled into second embodiment.
Initially, prefabricated portion 20 is located at the front of cable 10, and cable 10 has the electric wire 12 of exposure.The core of electric wire 12 can also
Exposure.In this stage, the end of 22.2 geared cable 10 of the second face in prefabricated portion 20.
Then, as shown in Figure 6B, cable 10 is inserted into along direction 19 in the hole 24 in prefabricated portion 20.When the electricity of the exposure of cable 10
When line 12 encounters film 29, cable 10 is forced to pierce through, and/tear/destroys film 29.
Then, the end of cable 10 is further moved in prefabricated portion 20, until cable 10 sheath 16 a part from
It protrudes in the hole 24 in prefabricated portion 20.At this stage, external jacket 16 is prefabricated portion 20 and surrounds.
Film 29 surrounds the sheath 16 of cable 10.This contributes between closing between the sheath 16 of cable 10 and prefabricated portion 20
Gap.Therefore, film 29 provides first order barrier.
Then, as shown in Figure 6 D, cable 10 19 is pulled back in opposite direction.Cable is pulled back down to some parts of sheath 16
Still the degree extended from the first side 22.1 of the main body 22 in prefabricated portion 20.Cable 10 relative to prefabricated portion 20 this fortune
It is dynamic to lead to 29 folded turnover of film and rolled around sheath 16, in order to provide the additional encryption in the gap between sheath 16 and prefabricated portion 20
Envelope.This is the second level barrier provided by membrana perforata 29.
The film of folding helps to increase the intensity of the sealing between cable 10 and prefabricated portion.Therefore, film 29 helps to limit
The overmolded material 40 of overmolded material 40 or remnants overflow during overmolded more than prefabricated portion 20.
As shown in Figure 6 D, once assembling prefabricated portion 20 and cable 10, shape shown in subsequent referenceable Fig. 2 C, Fig. 2 D and Fig. 2 E
Electric wire 12 is connected to electrical part 30 by the step of into connecting structure for electrical equipment 100, and progress is overmolded, and is covered with housing 50
Cured overmolded portion 40.It should be appreciated that housing 50 is optional.
With reference to figure 7 to Figure 10, the various other applications of the utility model are disclosed.
Fig. 7 discloses a kind of application, and wherein the utility model is used to connect two cables 10 of modified outer surface.
Each of two cables 10 have the outer surface of different variations.Particularly, a cable 10 has the sheath of suture
16.1, another cable 10 has the sheath 16.4 of braiding.Prefabricated portion 20 is mounted on the end of each cable 10.Two cables
Electric wire be directly connected to or connected by PCB.Then, PVC claddings are formed between two prefabricated portions 20 of covering wire-bonds
Forming part 40.The electric wire of two piece cables 10 of the connecting structure for electrical equipment 100 to connect provides stress release.
The utility model can also be applied to the cable 10 of modified outer surface being connected to consistent appearance
The cable 10 in face.
The utility model can also be applied to the cable 10 of modified outer surface is connected to two or more roots can
It can be with or without the cable 10 of the outer surface of variation.
The utility model can also be applied to two or more cables with consistent outer surface of connection.
Fig. 8 discloses a kind of application, and wherein the utility model is used to the cable 10 of modified outer surface being connected to
Softdog.Softdog is a kind of compact electric apparatus.
Fig. 9 discloses a kind of application, and wherein the utility model is used to connect two modified outer surfaces of softdog
Cable 10.
Figure 10 discloses a kind of application, wherein being connected to the cable 10 of modified outer surface using the utility model
More than the electrical equipment of softdog.
The other related applications of some of the utility model include providing earphone and/or earphone jack being connected to properly
This connecting structure for electrical equipment of cable.
The other application of the utility model is included in such as HDMI cables, USB cable, Micro USB cables, mini
The connection that the end of the data cable of USB cable, Ethernet cable, fiber optic cables, coaxial cable etc. provides.
In alternative embodiments, prefabricated portion is made of two parts, this two parts is secured together before overmolded
To provide tight fit between cable and prefabricated portion.Fastener can also be overmolded to prevent from exposing, to coat
The close connection between prefabricated portion and cable is kept after molding.
In the accompanying drawings and the description, the exemplary embodiments of the utility model are had been disclosed for, and specific despite the use of
Term, but they are only used in a generic and descriptive sense rather than for purposes of limitation, the scope of the utility model is
It is illustrated in following claims.
Reference number table：
Claims (35)
1. a kind of connecting structure for electrical equipment of cable for modified outer surface, the connection structure include：
Prefabricated portion, firmly around cable, close to the end of cable so that the electric wire in the end of the cable can connect
To electrical part and
Wherein described prefabricated portion overmolded material of limitation melting during overmolded crosses prefabricated portion, described to be overmolding to
Type forms overmolded portion, and the overmolded portion is attached to prefabricated portion, electrical part, cable/wire are extended to from prefabricated portion
The part of electrical part；
Wherein described prefabricated portion includes main body and the lug boss to extend out from the main body, and the lug boss is described for increasing
Adhesive strength between prefabricated portion and the overmolded portion.
2. connecting structure for electrical equipment according to claim 1, wherein the lug boss is the lug boss of " I " shape, " I " shape
Lug boss include rib and two pedestals being connected with rib, one of them described pedestal is located in the main body in the prefabricated portion.
3. connecting structure for electrical equipment according to claim 1, wherein the main body has first side and and first side
The second side being away from each other, the first side is towards the electrical part, and the second side from connecting structure for electrical equipment in face of prolonging
The cable stretched；The lug boss is extended in the first side.
4. connecting structure for electrical equipment according to claim 3, wherein the prefabricated portion includes what is extended out from second side
Component, the cable that the component direction extends out from connecting structure for electrical equipment.
5. connecting structure for electrical equipment according to claim 1, wherein the prefabricated portion has the hole being inserted into for the cable.
6. connecting structure for electrical equipment according to claim 5, wherein, the shape and size in the hole are selected as described in adaptation
The shape and size of cable.
7. connecting structure for electrical equipment according to claim 6, wherein the cross-sectional shape in the hole be circle, it is polygon, ellipse
Combined shaped round or with arcuate section and straight line portion.
8. connecting structure for electrical equipment according to claim 1, wherein the prefabricated portion has than overmolded portion's higher
Fusing point.
9. connecting structure for electrical equipment according to claim 1, wherein the prefabricated portion is provided with recess portion to be overmolding to described
Type portion engages.
10. connecting structure for electrical equipment according to claim 1, the housing including covering the overmolded portion.
11. connecting structure for electrical equipment according to claim 10, wherein the prefabricated portion and the side of overmolded portion adjoining
The outer edge in face is exposed to except overmolded portion, the housing slip over overmolded portion set aside to prefabricated portion the side it is sudden and violent
The outer edge exposed.
12. connecting structure for electrical equipment according to claim 1, wherein the prefabricated portion includes the cable that can be pushed into thorn
The film worn.
13. connecting structure for electrical equipment according to claim 12, wherein the film is flexible so that the film is described
Cable coats on the cables after piercing through.
14. connecting structure for electrical equipment according to claim 1, wherein the electrical part is connector plug.
15. connecting structure for electrical equipment according to claim 1 is used to connect cables to softdog, connect cables to
Equipment, the connection connected cables between terminating plug or socket, two or more cables connect two or multi-cable
It is connected to on-line encryption dog.
16. according to the cable with connecting structure for electrical equipment described in any one of claim 1-15 claims.
17. cable according to claim 16, wherein the cable has sheath.
18. cable according to claim 17, wherein the sheath is by suture material, a beading, structured material or braiding
Material is made.
19. the cable according to claim 17 or 18, wherein the sheath is by plastics, leather, PU leather, fabric, metal, glass
Glass, timber or stone material are made.
20. it is a kind of for forming the prefabricated portion of connecting structure for electrical equipment on the cable of modified outer surface,
Wherein described prefabricated portion is arranged for the end firmly around cable so that the electric wire of the end of the cable
Electrical part is may be connected to, and
The overmolded material that wherein described prefabricated portion is arranged for the limitation melting during overmolded flows through prefabricated portion,
The overmolded formation is attached to the part that electrical part is extended to from prefabricated portion of prefabricated portion, electrical part and cable/wire
Overmolded portion；
Wherein described prefabricated portion includes main body and the lug boss to extend out from the main body, and the lug boss is described for increasing
Adhesive strength between prefabricated portion and the overmolded portion.
21. prefabricated portion according to claim 20, wherein the prefabricated portion has the hole less than the outside diameter of cable.
22. prefabricated portion according to claim 21, wherein the prefabricated portion includes one extended out from the main body
Or multiple lug bosses, the lug boss are used to engage with the overmolded portion.
23. prefabricated portion according to claim 22, including prolonging from the main body along the direction opposite with the lug boss
The component stretched, the component are used to extend the hole.
24. the prefabricated portion according to any one of claim 20 to 23 claim, wherein the prefabricated portion has than institute
State the higher fusing point in overmolded portion.
25. prefabricated portion according to claim 22, the film including covering the hole, the film can be pushed over the electricity in the hole
Cable puncture/tear.
26. prefabricated portion according to claim 25, wherein the film of the puncture/tear helps to seal the cable and institute
State the gap between hole.
27. prefabricated portion according to claim 25, wherein the main body includes first side and opposite with first side
From second side, the lug boss extended in the first side, and the film covers the hole at the first side.
28. prefabricated portion according to claim 27, wherein the protrusion direction of the film and the protrusion direction of the lug boss
It is identical.
29. prefabricated portion according to claim 25, wherein the main body includes first side and opposite with first side
From second side, the lug boss extended in the first side, and the film covers the hole at the second side.
30. prefabricated portion according to claim 26, wherein the film of the puncture/tear can be by relative to described prefabricated
Portion moves and overturns folding on the cables on the cables, and the cable and the hole are sealed to further help in
Between any gap.
31. the prefabricated portion according to any one of claim 25 to 30 claim, wherein the film and the prefabricated portion
It is integrally formed.
32. a kind of cable with the outer quilts of PVC, the cable have sheath；The cable end has as in claim 1 to 15
Connecting structure for electrical equipment described in any one claim.
33. cable according to claim 32, wherein the sheath by leather, PU leather, fabric, metal, glass, timber or
Stone material is made.
34. the cable according to claim 32 or 33, wherein, the sheath by suture material, a beading, structured material or
Braided material is made.
35. the cable according to claim 32 or 33, wherein the cable is for loud speaker, charging cable, earplug, extension
Cable, LAN or HDMI.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2015/056280 WO2017029538A1 (en) | 2015-08-18 | 2015-08-18 | Electrical connection for a cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474708U true CN207474708U (en) | 2018-06-08 |
Family
ID=58051344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590001081.5U Expired - Fee Related CN207474708U (en) | 2015-08-18 | 2015-08-18 | The connecting structure for electrical equipment of cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207474708U (en) |
| WO (1) | WO2017029538A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11745434B2 (en) * | 2021-06-24 | 2023-09-05 | Webasto Charging Systems, Inc. | Hotmelt for sealing electric vehicle supply equipment (EVSE) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6482036B1 (en) * | 2002-06-13 | 2002-11-19 | Blaine L. Broussard | Waterproof electrical connector |
| CN101174495A (en) * | 2007-09-14 | 2008-05-07 | 上海新海腾电缆有限公司 | Armored data cable |
| US7828573B2 (en) * | 2008-10-28 | 2010-11-09 | S&N Pump Company | Subsea electrical connector and method |
| US8257103B2 (en) * | 2009-12-01 | 2012-09-04 | Schlumberger Technology Corporation | Submersible pothead system for use in a well application |
| CN103904459B (en) * | 2012-12-28 | 2016-07-13 | 林玉好 | Wire and cable connector and assemble method thereof |
| CN103904442A (en) * | 2014-03-08 | 2014-07-02 | 东莞讯滔电子有限公司 | Cable connector assembly |
-
2015
- 2015-08-18 WO PCT/IB2015/056280 patent/WO2017029538A1/en active Application Filing
- 2015-08-18 CN CN201590001081.5U patent/CN207474708U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017029538A1 (en) | 2017-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20190818 |