CN101567507A - Electric connector with high-impact strength locking component - Google Patents
Electric connector with high-impact strength locking component Download PDFInfo
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- CN101567507A CN101567507A CNA200810095640XA CN200810095640A CN101567507A CN 101567507 A CN101567507 A CN 101567507A CN A200810095640X A CNA200810095640X A CN A200810095640XA CN 200810095640 A CN200810095640 A CN 200810095640A CN 101567507 A CN101567507 A CN 101567507A
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Abstract
The invention provides an electric connector with a high-impact strength locking component, which can resist weather and comprises an environment sealing component and the locking component made of high-impact strength thermoplastic material. The invention also discloses a method for cladding and molding the electric connector in a single step. A locking yoke locks electric connectors; a locking convex part tightly fixes the electric connectors on a mounting plate; the locking convex part is provided with steps so as to maintain the electric connector according to the compression of the environment sealing component; and an insulating mounting post supports a contact point and is long enough to seal and hold electric arcs of any connection mode.
Description
Technical field
The present invention relates to a kind of method and apparatus, this method and apparatus relates to Overmolded (overmolded) and has the electric connector of weatherability (weather-resistant), and electric connector has the locked component of being made by different high strength and flexible material.
Background technology
Plug body and socket can be made by several different methods, comprise dielectric material around lead and contact and Overmolded method.The Overmolded body that is improved as of basic design has added feature.Example is No. the 5th, 401,181, the United States Patent (USP) that has, and the full content of this patent is incorporated into this by it is quoted.This patent is by reference and in being combined in, so that the narration of convection cell seal feature is provided.
In order to improve the integrality of electrical connection, manufacturers begin to add locking assembly.Example is No. the 6th, 379,169, the United States Patent (USP) that has, and this patent is added Overmolded locking part on each connector to.Another example is No. the 6th, 383,003, the United States Patent (USP) that has, and this patent is added Overmolded locking plate on the connector to, is used for being fastened on the mounting panel.
Dielectric material has all only been used in all designs above-mentioned in plug body.In addition, all these designs have utilized one-way ramp and have been attached on the mounting panel.That is, the plate hole edge is positioned on the ramp of leading to groove, and this groove grasps the edge of plate.These connectors are removed the thorny step of needs, promptly compress plug body so that allow the ramp to leave perforate.The process of removing may act on unsuitable moment of torsion or strength on the mounting panel, thereby causes mounting panel flexural deformation or crumple.
Therefore, need provide a kind of manufacture process of simplification, manufacture process has been kept favourable waterproof sealing, combines simultaneously to have locking and the sectional fixture that improves mechanical property.
Summary of the invention
An object of the present invention is to provide a kind of weatherability electric connector with high-impact strength locking component.
Another purpose of the present invention provides a kind of method for simplifying, is used for making making this connector by single Overmolded step.
Another object of the present invention provides the contact that a kind of post is installed, and is used for forming in the compartment of sealing being electrically connected.
These and other correlated characteristic is provided in the waterproof electrical connector assembly, and electric coupler component has public connector and female connectors, and according to public connector to the connection of female connectors and formed the coupling seal jointly.One in the connector comprises locking protuberance (tab), and another connector then comprises locking yoke (yoke), electric contact and Overmolded body.
The locking yoke is made by shock proof thermoplastic, and it comprises the lock arm on interlock (bit) portion with opposed end and the arbitrary end that is integrally formed in bite.Electric contact has formed the terminal of lead.The Overmolded body of dielectric heat plasticity that has comprised a coupling seal part at its near-end is closed bite and electric contact.Lock arm with to a certain degree flexibility and extend to external, thereby arm can be engaged and be disengaged with the locking protuberance on the matching connector.
Bite comprises C shape retainer belt, and the retainer belt configuration also is designed to pass around electric contact, and partly around electric contact.In the process that forms Overmolded body, the relation that retainer belt and electric contact are opened at interval by fixing.Yoke comprises the pivot plate between rod and lock arm.Pivot plate has passed the outer surface of Overmolded body.The anti-ballistic materials that has formed the locking yoke has about 7 at the yield point place according to ASTM D638,500psi is to about 10, the tensile strength of 500psi.Lock arm is the place of putting and be connected to pivot plate therein, lock arm is pivoted leave the bar of protuberance so that provide.The anti-ballistic materials that has formed the locking yoke has 3 to 20 times tensile strength for the dielectric material that forms Overmolded body at the yield point place.Anti-ballistic materials is selected from group: nylon 66 and Merlon, dielectric material then are selected from group: PVC, TPR and TPE.
Each connector comprises in complementary extension that is shaped or the cavity, and two connectors all have lateral surfaces, and this coupling seal is formed on the lateral surfaces.Retainer belt axially aligns with lateral surfaces.Retainer belt axially aligns with seal.Lock arm radially is being joined together with this lateral surfaces positions aligning with the locking protuberance.
In order to be installed on the mounting panel, need a connector with shoulder and protuberance, connector is suitable for flexibly compressing, so that pass panel hole, extends then so that the panel between extracting shoulder and the protuberance.We provide flexible arm, and it carries protuberance, and outwards protuberance are biased in the panel contact configuration.Connector after the installation is provided with the raceway groove that is positioned at the flexible arm below, and wherein flexible arm is suitable for being pressed in the raceway groove, so that in order to remove connector panel hole is unclamped.For arm is installed, need a kind of attachment component, it has and the integrated extracting piece of flexible arm.Grasping piece releasably is fastened to attachment component on the connector.Two connectors are all made by the dielectric heat plastic material.A connector is Overmolded, so that comprise crimping, crimping is used for engaging with plate hermetically around the shoulder extension.Protuberance comprises step-like profile, is used to increase the pressure of crimping with respect to plate, so that the seal of the O shape lopps type that crimping has been formed satisfy the IP65 standard.Crimping comprises the antelabium of convergent, and the height of the antelabium of convergent is approximately 0.01 inch, and the antelabium of convergent extends away from shoulder on the protuberance direction.Attachment component is made by the shock-resistant thermoplastic material, and the shock-resistant thermoplastic material has about 7 according to the ASTMD638 standard at the yield point place, and 500psi is to about 10, the tensile strength of 500psi.The locking yoke is made by identical anti-ballistic materials with attachment component.Grasp piece and comprise window, connector then comprises the engagement lugs that is positioned at its far-end, is used to be locked in the window of this extracting piece.
In comprising the embodiment of curved portions, have the cylinder integrally formed with Overmolded body, be used to support electric contact.The length of cylinder is greater than the length of electric contact.Cylinder has uniform cross-section shape and regional section, and this section is longer than this electric contact.Cylinder comprises the matrix section with circular cone shape.A connector has sleeve and female contact, and it is shaped accordingly and it was sized to before they enter the electric arc scope and the contact is sealed.
Description of drawings
Consider the exemplary embodiment that will describe in detail in conjunction with the accompanying drawings now, the advantage of invention, characteristic and many further features will become more obvious.In the accompanying drawings, similar label member like the representation class in whole accompanying drawing.
Fig. 1 is an exploded view, has showed that will lock yoke and electric contact before plug body is Overmolded is placed into state in the mould.
Fig. 2 is a flow chart, has outline according to an embodiment of invention and is used to make the method step of electric connector.
Fig. 3 A and Fig. 3 B have showed the Overmolded plug body of the socket that has among first embodiment.
Fig. 4 A has showed second embodiment of socket.
Fig. 4 B has showed the 3rd embodiment of socket.
Fig. 5 is the amplification sectional view of the socket part among Fig. 4 B, has showed seal bead.
Fig. 6 A and Fig. 6 B are successive views, have showed the state that between socket flange and mounting panel the seal bead among Fig. 5 is compressed.
Fig. 7 A is a perspective view, has showed another embodiment of the Overmolded plug body with mating socket.
Fig. 7 B is the sectional view of the connector among Fig. 7 A.
Embodiment
The present invention will be attached in the Overmolded plug body by the locked component that the engineering resin of selecting is made, and be used to improve performance.By designing locked component subtly, can produce by single Overmolded step and have the weatherability electric connector that improves function.
Many electric connectors all are known, and such as plug and connector that miniature hydrotherapy is used, it is used for the evaporative cooling occasion.Our previous design provides the coupling seal to limit moisture and has penetrated the electric contact zone.Yet, electric connector need be removed or replaces equipping frequent renewal or safeguarding.To have dielectric property and be used to form plug body and the material of socket is selected.The mechanical property of material comprises that superior flexible fatigue resistance makes that material is desirable for sealing.In addition, electric connector typically locks mutually and is latched on the mounting panel.Yet, Overmolded process and be used to form plug body and resilient slightly material usually is unsuitable for forming thin and soft locking or disposition of latch arm.
Can use the standard of plug body and socket interchangeably.Generally speaking, the device of being discussed in the literary composition comprises that coupling is right.Half of coupling centering is characterised in that projecting block.For conforming cause, we are called " male " or " plug " with this.Second half of coupling centering is characterised in that the groove that is used to receive piece.For conforming cause, we are called " female " or " socket " with this groove.Piece and groove jointly are configured as along forward surface, periphery and lateral surfaces and contact with each other.A lateral surfaces is characterised in that crimping or groove.Another lateral surfaces comprises corresponding groove or crimping.The coupling of crimping in groove provides a kind of waterproof seal that is used for electric contact, and electric contact axially passes through forward surface.Can carry public contact or female contact on plug or the socket, perhaps carry both simultaneously.
Referring now to Fig. 1 and Fig. 2 and describe an embodiment of the method that is used to make plug body.Fig. 1 has showed mold halves, such as following static molds half one 40.Cavity 40a will receive the Overmolded material of fusion, and define the shape of the Overmolded part after the curing.
A plurality of support feature are used in the process of Overmolded material injection element being retained in the ad-hoc location near cavity 40a.Lead support portion 44 is along the lead axis and fixing has many conductors 14, and then there is contact separator 18 separator support portion 48 along lead axis fixing.Stress of conductor release portion (strain relief) centers on the many conductors 14 in the upper left corner of cavity 40a and forms.Showed several to fin 40b.Cavity 40a can comprise two right fins and two left fins, then is provided with the several to fin of complementation in another mold halves.Be equipped with the public holder element 18a that is used for public contact 16a on the contact separator 18 and be used for female holder element 18b of female contact 16b.Can be provided with a holder element on each contact.The contact is attached on the stripped end of stranded conductor 14a and 14b by curl body 26a and 26b.Shank 18c can extend to the mould outside, and in this position, shank 18c can or remain in the suitable anchor clamps by operator's fixing.Can provide scotch or other aligning apparatus, so that can repeatedly contact separator 18 is positioned to align with the inwall of cavity 40a.The spacing of holder element has been determined the configuration in the Overmolded body of contact after curing.For socket, in each position, be provided with relative contact on the holder element of mirror image, thereby make on the plug each contact will with the coupling contact alignment on the socket.
A pair of yoke strutting piece 42a and 42b form near cavity 40a radially outwardly from the lead axis.Locking yoke 12 has T shape portion, and T shape portion will be positioned the outside of Overmolded body.The top of T shape portion has constituted lock arm 12c, and the root of T shape portion has then constituted pivot plate 12b.Pivot plate 12b will partly be encapsulated in Overmolded body, and be positioned partially at the outside of cladding forming body.The outside of pivot plate 12b and lock arm 12c are assembled among yoke strutting piece 42a and the 42b.Because supporting construction is occupied by its corresponding elements fully, they have formed the seal that is used for the Overmolded material of fusion is included in cavity 40a.
Referring now to the flow chart among Fig. 2 the method that is used to form electric connector is according to an embodiment of the invention described.In step 112, provide shock resistance and soft locking yoke 12.Such as, the locking yoke can be by forming Merlon or nylon 66 injection mouldings.In step 114, yoke strutting piece 42a and 42b are set on mould.
In step 116, electric contact is provided, and in step 118, then provides contact separator 18.In step 120, yoke and contact separator are loaded in the mould.Fig. 1 has showed the yoke that has along the retainer belt 12a of bottom.In this direction, yoke at first will be loaded in the mould, and lead 14, its contact and separator 18 extend above retainer belt 12a and pass through this band 12a then.If at first load lead 14, yoke 12 can be turned over turnback so, thereby band 12a is extended above lead and pass through lead.
In step 122, removable top mold halves clamps downwards, thereby thoroughly defines molding cavity then.The top mold halves will be included in each side with shown in bottom die half category like mould.Because support openings 42,44 and 48 is occupied by a plurality of members, cavity 40a is rendered as its closed volume shape.Then in step 124, be expelled in the cavity from the molten resin in source 50.Source 50 can be the bucket and helicitic texture or similar device after the heating, is used to cause thermoplastic to change into and is higher than the molten condition of its glass transformation temperature.Can be equipped with hot flow path 50a or valve or other control device on the mould, be used to regulate volume or the flow rate that resin enters cavity body of mould.After the stage in several seconds, after about 1 to 2 minute, in the step 126, removable top mold halves is opened and Overmolded connector is removed at most.
About material, Overmolded body forms by being suitable for injecting Overmolded thermoplastic resin material.Resin can be processed in injection (mo(u)lding) machine under from 300 to 480 degrees Fahrenheits.Generally speaking, material will have weathering characteristics, comprise the repellence to ultraviolet ray, ozone, flexibility and fluid.Material will be so-called dielectric material, because this material will contact with electric contact nearly.Suitably the dielectric constant of material will be above 2 units, such as between 2 to 3 units.Dielectric strength will be above 18KV/mm, and can be for such as 19 to 20KV/mm.These materials that satisfy these requirements have low relatively drawing and stretch intensity, and according to ASTM D412 standard and between 1000 to 2500psi.Material will have high relatively serviceability temperature, and between 250 to 300 degrees Fahrenheits.
Suitable resin kind can comprise PVC, thermoplastic elastomer (TPR) and thermoplastic elastomer (TPE) (TPE).Such as, can use tensile strength as 2350psi and indicate the PVC of V2-8, perhaps can use tensile strength as 1900psi and indicate the PVC of V2-9.For the TPR example, can use
101-80 or 201-80, both dielectric constants all are 2.3, and both dielectric strengths all are 19.6KV/mm (500v/mil), and both tensile strength the most mostly is 1640psi, both treatment temperatures all are the 351-450 degrees Fahrenheit, and both maximum serviceability temperatures all are 275 degrees Fahrenheits.For the TPE example, can use
G975, its maximum tensile strength are 1940psi, and treatment temperature is the 340-376 degrees Fahrenheit, and its maximum serviceability temperature is 264 degrees Fahrenheits.
Locked component is formed by the thermoplastic resin material that is suitable for injection moulding or is suitable for other thermoforming technology.Resin can be processed in injection (mo(u)lding) machine under the temperature of from 500 to 620 degrees Fahrenheits.Generally speaking, material will have weathering characteristics, comprise the repellence to ultraviolet ray, ozone, flexibility and fluid.Material will be so-called high impact material.Suitably the dielectric constant of material will be above 2 units, such as between 2.8 to 3.8 units.Dielectric strength will be above 350V/mil, and can be for such as 375 to 450V/mil.These materials that satisfy these requirements have high relatively drawing and stretch intensity, and according to ASTM D638 standard and between 7000 to 12000psi.Material will have high relatively serviceability temperature, and between the temperature of 200 to 275 degrees Fahrenheits.
Suitable resin kind can comprise Merlon and nylon 6/6.Such as, can use indicating of GE company
940 Merlon, its dielectric constant are 3, and its dielectric strength is 425V/mil, and its tensile strength at the yield point place is 9000psi, and the tensile strength at the breakaway poing place is 8100psi.For nylon 6/6 example, can use FrianylA63V0 nylon, its tensile strength is 11600psi to the maximum, and its maximum serviceability temperature all is 257 degrees Fahrenheits.Also can use another kind of nylon, promptly
Type 6/6, its maximum tensile strength are 11500psi, and its dielectric constant is 3.6, and its short-term dielectric strength is 400V/mil, and maximum serviceability temperature is 210 degrees Fahrenheits in its air.
Overmolded material has superior flexible fatigue resistance and high elongation (300 to 550%) at the breakaway poing place, thereby makes them durable and have some elasticity, thereby protects electrical connection in it not to be subjected to the influence of element, vibration and other vibrations.Yet, the locked component material that only has 5% low elongation and high impact at the breakaway poing place for keep with connector mutually locking to get up and be installed on the mounting panel be desirable.Because lock arm is embedded in the Overmolded body, this combination of materials has produced synergy.The connector body can be around the locking yoke that embeds and crooked and extend, and locking yoke self is not stretched or otherwise locking yoke self is impacted.The Embedded Division of locking yoke is called bite.Lock arm and Overmolded body all have similar high operating temperature.
The method according to this invention is summarized as follows:
Moulding is carried out thermoplastic shaping or injection moulding forms the locking yoke by the high impact material that tensile strength is surpassed 7000psi;
Yoke strutting piece in the mould is provided;
Electric contact is arranged on the end of single lead;
The separator clip is attached on the electric contact;
Locking yoke and the contact with separator are loaded in the mould;
By maximum elongation being surpassed 400% the Overmolded connector body that forms of dielectric material; And
The connector body that will have the locking yoke of embedding removes in mould, thereby a kind of connector is provided, and the maximum serviceability temperature of its all sites surpasses 200 degrees Fahrenheits.According to the combination of material, the locking yoke has the tensile strength for 5 to 10 times of Overmolded materials.
Among product introduction according to the present invention first embodiment in Fig. 3 A and Fig. 3 B.Public connector 60 after the completion is shown as at near-end has public coupling extension 60a, then has the 60c of Stress Release portion at far-end.The part of moisture seal part circumferentially centers on the lateral surfaces of extension and extends.Such as, accompanying drawing has shown the moisture seal part groove 60b that is formed on the public coupling extension 60a.Female contact 16b or curling body 26a stay in the public coupling extension 60a, and lead 14a and 14b then extend back on axial direction A substantially, and lead 14a and 14b can gather when go out at 14 places in many conductors at them.
Lock arm 12C is parallel to axial direction A and extends.Fig. 3 A has showed the arm that passes extension 60a a little.The end of lock arm and locking pin 70d can be complementally tapered, thereby lock arm is opened in connection procedure.In case window 12d passes the back of pin 70d, lock arm its original parallel position that rebounds then, thereby with connector mutually locking get up.Lock arm and connector body separate, thereby its rear portion can be pushed mutually, thereby the front portion is opened pivotally, and allow window 12d to unblank from locking pin 70d.
Shown in the right-hand side of Fig. 3 A, Overmolded female connectors 70 comprises female coupling cavity 70a, and female coupling cavity 70a carries the other parts of moisture seal part along its lateral surfaces, is moisture seal part crimping 70b in this example.Flange 70e around and define cavity.Ramp protuberance (tab) 70f is positioned at the rear portion of flange and is spaced from preset distance.Shown in Fig. 3 B, connector 70 is installed on the mounting panel 100, and plate is clipped between flange 70e and the ramp protuberance 70f therefrom.
Shown in Fig. 4 A and Fig. 4 B, a kind of improvement according to the present invention provides thin flexible arm 80, is used for engaging with mounting panel.Connector 170 has narrow body 74, and narrow body 74 has the engagement lugs 74a that is used to receive extracting piece 82.Fig. 4 A has showed the engagement lugs 74a that is used for notch 80a, and Fig. 4 B has showed the edge flanging 74b that is used for edge notch 80b.Grasping piece 82 can be one-body molded with flexible arm 80, such as by with the material identical materials injection moulding that has formed the locking yoke.Raceway groove 72 is along the edge of two connectors.Though arm 80 is at outside direction bias voltage, they can be pressed in the raceway groove 72, so that pass installation panel, and then easily connector are removed.
The end of arm 80 is provided with step-like profile 80c.As shown in Figure 5, seal bead 70g is positioned at the edge in opposite directions of flange 70e such as the triangular-shaped profile that extends back from flange.Seal bead can have 0.005 to 0.015 inch height.In one embodiment, height of flange is 0.010 inch.Fig. 6 A has showed the connector 170 that is installed on the mounting panel 100, and the step of profile 80c distal-most end provides confining force.Attached when getting on when the connector of coupling, in the direction on the right side, producing connector coupling power 90.Shown in Fig. 6 B, thereby cause the compression of seal bead 70g.When plate passed second step of profile 80c, one or two in the flexible arm outwards was bound to the final position shown in Fig. 6 B.The compression of crimping 70g has formed the seal that centers on the whole periphery of flange 70e and meet the O shape lopps type of IP65 standard.
The further application of high impact lock arm in the connector group is showed among Fig. 7 A and Fig. 7 B.From the left side of accompanying drawing, the Overmolded body of locking yoke 212 and insulated conductor is surrounded in public connector 260 expressions.Public coupling extension 260 is provided with moisture seal part groove 260b.As mentioned above, retainer belt 212a and end 212ai can axially align with the lateral surfaces of extension 260a or the bottom of groove 260b.When connecting, the lateral surfaces of cavity 270a also will be alignd with crimping 270b.Window 212d can radially align with groove 260b.When connecting, window also will radially also will align with crimping 270b.For certain application comprises indoor application, it will be possible saving crimping and groove but still be combined with following structure.
Though other embodiment (such as Fig. 3 A) has the contact 16a that extends from public extension 60a, the embodiment among Fig. 7 A provides insulated column, and contact 216a is installed on it.Cylinder with section 262 and 264 can be used as the inner portion of Overmolded body and forms.Those those of ordinary skill in the art are understood that and can revise cavity 40a, so that in the groove of sleeve-like is included in.Contact 216a can be retained in the far-end of groove, so that in single step cylinder is coated shaping, as shown in Figure 2.As mentioned above, identical materials can be used for Overmolded body and high-intensity locking yoke.In a complementary configured, female connectors 270 provides female contact 216b, and female contact 216b is arranged to more the center towards connector 270.Attention: the contact position near cavity 70a among the embedding location of contact 216b and Fig. 3 A forms contrast.
On geometry, cylinder has conventional linear form, and its length is greater than the length of exposure of the contact after installing.An example of conventionally form will be consistent cross sectional shape and zone, and it is to extend greater than the certain-length of contact length.Though can visualize square, rectangle or other polygonal cross-section zone within the scope of the present invention, only show circular cross-sectional area.Cylinder segment 262 is showed among Fig. 7 B, and it is configured to be contained in the cylindrical sleeves 272 of respective shapes.The base portion of cylinder has the truncated cone section 264 that is contained in the truncated cone sleeve 274.Truncated cone section 264 provides extra support for cylinder.Truncated cone sleeve 274 provides wideer opening for cylinder segment 262, and when connector contacts with each other, a plurality of cylinders is directed to suitably axially aligns.
As mentioned above, shown in Fig. 7 B, contact 216a is shorter than cylindrical sleeves 272.Correspondingly, cylinder segment 262 must be before public contact 216a contacts female contact 216b and coupling ground engages with cylindrical sleeves 272.By extending cylinder segment, before engage contacts, can obtain to insert greatly.This buries contact configurations and have specific application in the power supply disconnection.When connecting and disconnect electric wire, might produce electric arc between the electric contact that separates.When being exposed to electric arc, individual or instrument can conduct electricity.So that form enough sealings of insulation, any electric arc is in the limited generation harmlessly in the sleeve volume of sealing by cylinder segment being inserted in the sleeve.
Such as for 220-240 volt or the higher commercial lighting circuit, need to determine the maximal clearance for given application, electric arc can produce because of the cause of given contact (216a, 216b) configuration in this gap.Increase safe clearance, specify the length of cylinder segment 274 to be at least the summation that maximal clearance length adds safe clearance above amount then above the length of contact 216a.Certainly, the error between the connector component of coupling can influence and when just calculate enough sealings of insulation.In the embodiment of reality, length is that 0.25 inch contact 216a is installed on the cylinder with cylinder segment 262, and the length of cylinder segment 262 is greater than 0.30 inch, such as being 0.31 inch.Cylinder segment and cylindrical groove all can have 0.2 inch processing diameter, and cylinder segment and/or sleeve contraction slightly along with the cooling of Overmolded material, thereby allow to closely cooperate.Cylinder segment should be assembled closely, and when at first entering the electric arc scope with convenient contact, component axial ground aligns and frictionally engages, and promotes connector under compression force opposite to each other.
In identical practical embodiments, the length of truncated cone section 264 is in 0.10 to 0.15 inch scope, such as 0.125 inch.At its narrower top, section 264 has the diameter identical with cylinder segment 264, promptly 0.2 inch.Cone angle can be between 10 to 20 degree, such as being 15 degree.The diameter of the base portion that meets at section 264 and public coupling extension 260a can be between 0.25 to 0.28 inch, such as being 0.267 inch.Truncated cone sleeve 274 can be formed by the rapidoprint with same size.
Claims (36)
1. waterproof electrical connector assembly with public connector and female connectors, the formation collaboratively under described public connector and situation that described female connectors is connected of coupling seal, one in the wherein said connector comprises the locking protuberance, and another connector then comprises:
By the locking yoke that shock proof thermoplastic is made, it has the bite that has opposed end and is integrally formed in lock arm on arbitrary end of described bite;
Form the electric contact of lead terminal; And
The Overmolded body of dielectric heat plasticity, it comprises the part of the described coupling seal that is positioned at its near-end, and described bite and described electric contact are closed, described thus lock arm with to a certain degree flexibility and extend to described external, thereby described arm can be engaged and be disengaged with the described locking protuberance on the described matching connector.
2. assembly as claimed in claim 1 is characterized in that, described bite comprises C shape retainer belt, and described retainer belt configuration also is designed to pass around described electric contact, and partly around described electric contact.
3. assembly as claimed in claim 2 is characterized in that, in the process that forms described Overmolded body, and the relation that described retainer belt and described electric contact are opened at interval by fixing.
4. assembly as claimed in claim 3 is characterized in that, described yoke comprises the pivot plate between described bite and described lock arm, and wherein said pivot plate passes the outer surface of described Overmolded body.
5. assembly as claimed in claim 4 is characterized in that, the described shock-resistant thermoplastic material that forms described locking yoke has 7 according to ASTM D638 at the yield point place, 000psi to 12, the tensile strength of 000psi.
6. assembly as claimed in claim 5 is characterized in that, the described lock arm place of putting therein is connected to described pivot plate, leaves the bar of described protuberance so that be provided for making described lock arm to pivot.
7. assembly as claimed in claim 1 is characterized in that, the shock-resistant thermoplastic material that forms described locking yoke has 3 to 20 times tensile strength for the dielectric heat plastic material that forms described Overmolded body at the yield point place.
8. assembly as claimed in claim 7 is characterized in that, described shock-resistant thermoplastic material is selected from nylon 66, Merlon, and described dielectric heat plastic material then is selected from PVC, TPR, TPE.
9. assembly as claimed in claim 8 is characterized in that, described connector respectively comprises in complementary extension that is shaped or the cavity, and two described connectors all have lateral surfaces, and described coupling seal is formed on the lateral surfaces.
10. assembly as claimed in claim 9 is characterized in that, described bite is axially alignd with described lateral surfaces.
11. assembly as claimed in claim 9 is characterized in that, described bite is axially alignd with described seal.
12. assembly as claimed in claim 11 is characterized in that, described lock arm and described locking protuberance radially are being joined together with described lateral surfaces positions aligning.
13. assembly as claimed in claim 1 is characterized in that, further comprises:
A connector, it comprises shoulder and ramp protuberance, described ramp protuberance is suitable for elastic compression and is used to pass that panel hole extends then so that grasp described panel between described shoulder and described protuberance.
14. assembly as claimed in claim 1 is characterized in that, also comprises:
A described connector comprises shoulder, at least one step and flexible arm, and described flexible arm carries described step, and outwards described step is biased in the panel contact configuration.
15. assembly as claimed in claim 14, it is characterized in that, a described connector is provided with the raceway groove that is positioned at described flexible arm below, and wherein said flexible arm is suitable for being pressed in the described raceway groove, so that in order to remove a described connector described panel hole is unclamped.
16. assembly as claimed in claim 15 is characterized in that, comprises attachment component, described attachment component has and the integrated extracting piece of described flexible arm, and wherein said extracting piece releasably is fastened to described attachment component on the described connector.
17. assembly as claimed in claim 16 is characterized in that, described connector is made by the dielectric heat plastic material, and comprises another part of described waterproof seal.
18. assembly as claimed in claim 14 is characterized in that, described connector is Overmolded by the dielectric heat plastic material, so that comprise crimping, described crimping extends around described shoulder, is used for engaging with described plate hermetically.
19. assembly as claimed in claim 18 is characterized in that, described flexible arm plummer scalariform profile is used to increase the pressure of described crimping with respect to described plate, thus the seal of the O shape lopps type that described crimping is formed satisfy the IP65 standard.
20. assembly as claimed in claim 19 is characterized in that, described crimping comprises the antelabium of convergent, and the height of the antelabium of described convergent is 0.01 inch, and the antelabium of described convergent extends away from described shoulder on described protuberance direction.
21. assembly as claimed in claim 17 is characterized in that, a described connector is made by identical dielectric heat plastic material with another connector.
22. assembly as claimed in claim 17 is characterized in that, described attachment component is made by the shock-resistant thermoplastic material, and described shock-resistant thermoplastic material has 7 at the yield point place according to the ASTMD638 standard, 000psi to 12, the tensile strength of 000psi.
23. assembly as claimed in claim 22 is characterized in that, described locking yoke is made by identical shock-resistant thermoplastic material with described attachment component.
24. assembly as claimed in claim 22 is characterized in that, described extracting piece comprises window, and a described connector then comprises the engagement lugs that is positioned at its far-end, is used to be locked in the described window of described extracting piece.
25. assembly as claimed in claim 1 is characterized in that, comprises and the integrally formed cylinder of described Overmolded body, and has free end, is used to support described electric contact.
26. assembly as claimed in claim 25 is characterized in that, the length of described cylinder is greater than the length of described electric contact.
27. assembly as claimed in claim 26 is characterized in that, described cylinder has the section in uniform cross-section shape and zone, and described section is longer than described electric contact.
28. assembly as claimed in claim 27 is characterized in that, described cylinder comprises the matrix section with circular cone shape.
29. assembly as claimed in claim 26 is characterized in that, a described connector has sleeve and female contact, and it is shaped accordingly and it is sized to and holds described cylinder and described electric contact.
30. assembly as claimed in claim 29 is characterized in that, described cylinder occupies described sleeve openings, so that before they enter the electric arc scope and described contact is sealed.
31. a manufacturing has the method for the waterproof electrical connector assembly of public connector and female connectors, the formation collaboratively under described public connector and situation that described female connectors is connected of coupling seal, and described method comprises step:
A connector with locking protuberance is provided; And
Provide another connector by following steps:
The locking of being made by shock proof thermoplastic yoke is provided;
The mould that has the yoke strutting piece is provided;
On the end of individual conductors, provide electric contact;
To contact separator is attached on the described electric contact;
The part of locking yoke and the described electric contact that has a described contact separator are loaded in the described mould;
In described mould, use the Overmolded described connection body of dielectric heat plastic material;
Described connection body is removed with lock arm from described mould, so that another connector to be provided.
32. method as claimed in claim 31 is characterized in that, described shock-resistant thermoplastic material has 7 at the yield point place according to ASTM D638 standard, 000psi to 12, the tensile strength of 000psi.
33. method as claimed in claim 31 is characterized in that, described shock-resistant thermoplastic material has 3 to 20 times tensile strength for the dielectric heat plastic material at the yield point place.
34. method as claimed in claim 33 is characterized in that, described shock-resistant thermoplastic material is selected from nylon 66, Merlon, and described dielectric heat plastic material then is selected from PVC, TPR, TPE.
35. method as claimed in claim 31, it is characterized in that, the part of locking yoke and the described electric contact that has a described contact separator are loaded into step in the described mould comprise at first described locking yoke is loaded in the described mould, described then lead, described electric contact and the described separator that contacts are above the retainer belt of described locking yoke and cross over the retainer belt of described locking yoke and extend.
36. method as claimed in claim 31, it is characterized in that, the part of locking yoke and the described electric contact that has a described contact separator are loaded into step in the described mould comprise at first described lead is loaded in the described mould, then described locking yoke is turned over turnback and make the retainer belt of described locking yoke above described lead and cross over described lead and extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810095640XA CN101567507A (en) | 2008-04-25 | 2008-04-25 | Electric connector with high-impact strength locking component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810095640XA CN101567507A (en) | 2008-04-25 | 2008-04-25 | Electric connector with high-impact strength locking component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101567507A true CN101567507A (en) | 2009-10-28 |
Family
ID=41283543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810095640XA Pending CN101567507A (en) | 2008-04-25 | 2008-04-25 | Electric connector with high-impact strength locking component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101567507A (en) |
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| CN102496798A (en) * | 2011-12-15 | 2012-06-13 | 刘立文 | Waterproof and anti-explosion plug |
| CN103858290A (en) * | 2011-10-04 | 2014-06-11 | 泰科电子（Amp)意大利公司 | Connector housing |
| CN104092050A (en) * | 2014-07-31 | 2014-10-08 | 谭金江 | LED (light-emitting diode) lamp connector |
| CN104185929A (en) * | 2014-05-21 | 2014-12-03 | 美禄电子(深圳)有限公司 | Crystal Head and making method thereof |
| CN106233398A (en) * | 2014-04-24 | 2016-12-14 | 西部数据技术公司 | The communication cable with positioning indicator for electronic equipment |
| CN109891684A (en) * | 2016-10-26 | 2019-06-14 | 心脏器械股份有限公司 | Connector with groove with platform bridges portion |
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| CN103858290A (en) * | 2011-10-04 | 2014-06-11 | 泰科电子（Amp)意大利公司 | Connector housing |
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| CN104092050A (en) * | 2014-07-31 | 2014-10-08 | 谭金江 | LED (light-emitting diode) lamp connector |
| CN109891684A (en) * | 2016-10-26 | 2019-06-14 | 心脏器械股份有限公司 | Connector with groove with platform bridges portion |
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Application publication date: 20091028 |