CN201191673Y - Cable connector - Google Patents
Cable connector Download PDFInfo
- Publication number
- CN201191673Y CN201191673Y CNU2008200035496U CN200820003549U CN201191673Y CN 201191673 Y CN201191673 Y CN 201191673Y CN U2008200035496 U CNU2008200035496 U CN U2008200035496U CN 200820003549 U CN200820003549 U CN 200820003549U CN 201191673 Y CN201191673 Y CN 201191673Y
- Authority
- CN
- China
- Prior art keywords
- insulator
- cable connector
- wire
- groove
- afterbody
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A cable connector comprises a first insulating body, two conductive terminals which are held in the first insulating body, a cable and a second insulating body, wherein each conductive terminal comprises a butt joint end which is extended forwards out of the first insulating body and a welding ends which is extended backwards out of the first insulating body, the second insulating body can hold the front end of the cable, the welding ends of the two conductive terminals and a part of the first insulating body inside, wherein the outer periphery of the first insulating body is provided with a slot whose front portion is wider and back portion is narrower, and the second insulating body is coated and formed on the outer periphery of the first insulating body, and the inner periphery of the second insulating body is provided with a lug which has same size and shape with the slot, and the lug and the slot can mutually match to prevent the second insulating body separating backwards from the first insulating body. The cable connector not only is beneficial for the miniaturization of the overall dimension, and but also increases the combination force between the two insulating bodies of the cable connector, and increases pull resistance strength.
Description
Technical field
The utility model relates to a kind of wire and cable connector, relates in particular to a kind of adhesion that can strengthen between two insulators, and helps the wire and cable connector of miniaturization.
Background technology
Along with the miniaturization of electric equipment, the development trend of multifunction, requirement to wire and cable connector grows with each passing day, its not only need to guarantee between the conducting terminal of cable heart yearn and wire and cable connector be connected reliable and stable, to guarantee signal reliablely and stablely transmission for a long time, and require the more miniaturization of size of wire and cable connector itself, so that be applied to the electric equipment of various miniaturization better.
For being connected between the conducting terminal that satisfies cable heart yearn and wire and cable connector reliable and stable to guarantee signal reliablely and stablely transmission for a long time, Chinese patent ZL02288020.8 discloses a kind of wire and cable connector, and this wire and cable connector mainly comprises: one first insulator, be contained in cable that a plurality of conducting terminals in this first insulator, anterior and a described conducting terminal are electrically connected and second insulator that is coated on this first insulator rear portion and cable front portion.End edge place in roof, diapire and the opposing sidewalls of first insulator all outwards convexes with block, thereby second insulator is formed with protuberance by covered type moldings formed therefrom (overmold) at its first end inner edge, this protuberance is stopped by the block of this first insulator, can avoid second insulator to break away from first insulator backward.Above-mentioned wire and cable connector is to utilize the bulge-structure that is made of block and protuberance to realize when the adhesion that strengthens between first insulator and second insulator, and obvious this bulge-structure can cause the thickness of this wire and cable connector to increase.
In addition, Chinese patent ZL01222349.2 discloses a kind of perpendicular type wire and cable connector, and the rear end of first insulator of this perpendicular type wire and cable connector convexes with an extension block, and the surface of this extension block also is provided with a plurality of grooves that increase contact area.Therefore, after the heart yearn with conducting terminal and cable welds, implemented covered type moldings formed therefrom (over mold) and when forming second insulator, the inside of this second insulator can correspondingly form the projection (figure does not show) that fills up this extension block, to increase the adhesion between first insulator and second insulator, avoid excessive or frequently plug the phenomenon that gets loose that causes because of being applied to plug strength on second insulator.Obviously, this wire and cable connector is to utilize bulge-structures such as the extension block of band groove and projection to realize when the adhesion that strengthens between first insulator and second insulator, the volume of setting up meeting increase second insulator of this bulge-structure, especially on the linear pattern wire and cable connector, set up the volume that this bulge-structure more can enlarge markedly wire and cable connector, be unfavorable for microminiaturization.
Take a broad view of above-mentioned two kinds of wire and cable connectors, because wire and cable connector is when the plug operation, contact engaging and separating force puts on second insulator more, and only depend on the surface combination power between two composition surfaces to combine between second insulator of covered type moldings formed therefrom and first insulator, so because the adhesion between first insulator and second insulator is not enough, cause the pad between cable and conducting terminal to get loose often because of frequent plug.Therefore, the adhesion between two insulators of line feeder cable connector is to realize the key point of signal stabilization reliable transmission.Yet, though the wire and cable connector in above-mentioned two Chinese patents can both be realized the reliable and stable transmission of signal by the adhesion between two insulators of line feeder cable connector, but all need simultaneously on first insulator of wire and cable connector and second insulator, bulge-structure to be set, thereby increased the physical dimension of wire and cable connector, do not met the active demand of industry the wire and cable connector miniaturization.Furthermore, particularly for miniature linear pattern connector, because extremely limited length of miniature linear pattern connector itself and height, thereby this bulge-structure that is arranged on two insulators of micro connector certainly will be with not only narrow but also short, be difficult to really to strengthen effectively the adhesion between two insulators of micro connector, improve anti-pulling intensity.
Summary of the invention
The purpose of this utility model is to provide a kind of wire and cable connector, and this wire and cable connector not only helps the miniaturization of overall dimension, and the adhesion between can two insulators of splicing thread cable connector, improves anti-pulling intensity.
For achieving the above object, the utility model provides a kind of wire and cable connector, comprising: one first insulator; A plurality of conducting terminals, it is contained in this first insulator, and each conducting terminal comprises a butt end of stretching out this first insulator forward and a welding ends that stretches out this first insulator backward; One cable, the welding ends of its front end and described a plurality of conducting terminals is electrically connected; And one second insulator, in the welding ends of its front end with this cable, described a plurality of conducting terminals and at least a portion of this first insulator are coated on; The outer peripheral face of this first insulator is provided with a front wide and rear narrow groove, this second insulator is overmolded onto on the outer peripheral face of this first insulator, on the inner peripheral surface of this second insulator to should groove shaped Cheng Youyi shape size and the on all four projection of this groove, described projection matches with described groove to prevent that this second insulator breaks away from this first insulator backward.
Compared with prior art, wire and cable connector of the present utility model has following useful technique effect:
1) projection of corresponding formation matches on the front wide and rear narrow groove on this first insulator outer peripheral face and this second insulator inner peripheral surface, can strengthen the bond strength between two insulators, thereby further guarantee the firm and reliable connection between cable and the conducting terminal, guarantee that signal transmits reliably.
2) design of front wide and rear narrow groove can make full use of the thickness of first insulator itself and the length on fore-and-aft direction in the utility model, thereby the adhesion that not only can help further strengthening between two insulators improves anti-pulling intensity, and more helps the whole microminiaturized of wire and cable connector.
Description of drawings
Fig. 1 is the stereogram of hearing aids that adopts the wire and cable connector of the utility model preferred embodiment;
Fig. 2 is the wire and cable connector of hearing aids use shown in Figure 1 and the three-dimensional exploded view of amplifier housing;
Fig. 3 is the stereogram of the utility model preferred embodiment wire and cable connector;
Fig. 4 is the three-dimensional exploded view of the utility model preferred embodiment wire and cable connector;
Fig. 5 is the first visual angle three-dimensional exploded view of the utility model preferred embodiment wire and cable connector, wherein omits cable and sealing ring;
Fig. 6 is the second visual angle three-dimensional exploded view of the utility model preferred embodiment wire and cable connector, wherein omits cable and sealing ring;
Fig. 7 is the 3rd a visual angle three-dimensional exploded view of the utility model preferred embodiment wire and cable connector, wherein omits cable and sealing ring;
Fig. 8 is the side-looking exploded view of the utility model preferred embodiment wire and cable connector;
Fig. 9 is the top exploded view of the utility model preferred embodiment wire and cable connector;
Figure 10 is the flat assembly drawing of the utility model preferred embodiment wire and cable connector;
Figure 11 is the cutaway view along A-A line shown in Figure 10.
Embodiment
Consult the preferred embodiment that accompanying drawing describes wire and cable connector of the present utility model in detail below.In this preferred embodiment, wire and cable connector is to be example with the micro wire cable connector that is used for hearing aids, but the utility model is not limited to this.Technical conceive of the present utility model in fact also can be applied to can help the miniaturization of ordinary lines cable connector equally in the hearing aids non-micro wire cable connector in addition, specifically sees also detailed description hereinafter.In addition, what need explanation in advance is, " preceding " mentioned in the utility model, " back " are to be described as reference with " conducting terminal bearing of trend D ", wherein " conducting terminal bearing of trend D " is meant the direction of pointing to the butt end of conducting terminal from the welding ends of conducting terminal, promptly be from after forward, otherwise then be in the past backward; " outer peripheral face " mentioned in the utility model/" periphery " do not comprise the both ends of the surface perpendicular to conducting terminal bearing of trend D of corresponding component.
Please consult Fig. 1 to Fig. 3 earlier, the wire and cable connector 1 of the utility model preferred embodiment is a kind of miniature linear pattern wire and cable connector that is applied to hearing aids, its other end is provided with an electric connector 2, and this wire and cable connector 1 can be electrically connected with the electronic component (figure does not show) in the amplifier housing 3 that is installed in hearing aids.This wire and cable connector 1 comprises that mainly cable 13, that one first insulator 11, two needle-like conductive terminals 12, that are placed in this first insulator 11 are connected conducting terminal 12 rears is overmolded onto second insulator 14 and a sealing ring 15 at first insulator, 11 rears.
See also Fig. 4, this first insulator 11 comprises a head 111, a holding part 112 and an afterbody 113 that in the past sets gradually backward.The peripheral dimension of the head 111 of this first insulator 11, holding part 112 and afterbody 113 reduces in the past backward successively.
See also Fig. 8 to Fig. 9, this head 111 and this holding part 112 all roughly are the riser shape; This afterbody 113 be by after forward convergent extend into the bulk of certain-length, its front end is less, the rear end is bigger.The end face 1131 outward-dipping gradually backward extensions in the past of this afterbody 113, this end face 1131 is provided with one along fore-and-aft direction extension and front wide and rear narrow inverted trapezoidal groove 1132, this groove 1132 comprises two madial walls 11321 and a diapire 11322, wherein two madial walls 11321 of this inverted trapezoidal groove 1132 are the planes that slope inwardly gradually backward and extend in the past, the diapire 11322 of this groove 1132 is to be parallel to the plane that end face 1131 extends, and this groove 1132 has the consistent degree of depth along fore-and-aft direction.
Each conducting terminal 12 comprises a butt end 121 and a welding ends 122, and wherein stretch out forward outside the head 111 of this first insulator 11 butt end 121, and welding ends 122 stretches out outside the afterbody 113 of this first insulator 11 backward.
See also Fig. 4, the welding ends 122 that the heart yearn 131 and described two conducting terminals 12 of the bare front end of this cable 13 stretch out behind this first insulator 11 welds together, and the rear end of this cable 13 and electric connector 2 (see figure 1)s are electrically connected.
See also Fig. 5 to Fig. 7, this second insulator 14 is overmolded onto the rear of first insulator 11, in the afterbody 113 of the welding ends 122 of the front end of this cable 13, described two conducting terminals 12 and this first insulator 11 is coated on.This second insulator 14 comprises a head 141 and an afterbody 142 that in the past sets gradually backward.
Be formed with corresponding to the inverted trapezoidal groove 1132 of first insulator 11 on the inner peripheral surface of these second insulator, 14 heads 141 that shape size and groove 1132 are on all four to fall trapezoidal projection 1411 (see figure 6)s, this projection 1411 extends on the whole fore-and-aft direction of this head 141 and along consistency of thickness on the fore-and-aft direction.Simultaneously, also on the inner peripheral surface of these second insulator, 14 heads 141, be formed with two deep-slotted chip breakers 1412, and have a boss 1413 between two deep-slotted chip breakers 1412 corresponding to two conducting terminals, 12 places.
The rear end face 1421 of the afterbody 142 of this second insulator 14 is provided with a through hole 1422 and passes for the rear end of cable 13.
The manufacture process of the wire and cable connector of the utility model preferred embodiment is as follows: the mould of 1) conducting terminal 12 being put into injection molding machine, utilize the insulating material of fusion, by injection moulding Overmolded (insertmold) technology, at Overmolded above-mentioned first insulator 11 of the periphery of conducting terminal 12 with groove 1132, the whole outer peripheral face of the head 111 of this first insulator 11 and holding part 112 coated with conductive terminals 12, and the afterbody 113 of this first insulator 11 part of coated with conductive terminal 12 outer peripheral faces (referring to Fig. 6 and Fig. 7) only; And, the center O of two conducting terminals 12 and this groove 1132 lay respectively at the both sides up and down of the horizontal bisector plane XX ' of this wire and cable connector length direction, so that being set on the afterbody 113, a side of groove 1132 has thicker thickness, thereby can under the situation that does not increase by first insulator, 11 integral thickness, make groove 1132 darker, with the adhesion (referring to Fig. 8 and Figure 11) between further raising first insulator 11 and second insulator 14.2) heart yearn 131 with cable 13 bare front end is welded on the welding ends 122 of conducting terminal 12.First insulator 11, conducting terminal 12 and the cable 13 that 3) will connect as one put into another mould of injection molding machine together, utilize the insulating material of fusion, by this second insulator 14 of injection moulding clad forming process moulding, in the afterbody 113 of the welding ends 122 of the front end of this cable 13, described two conducting terminals 12 and this first insulator 11 is coated on.Wherein, the head 141 of this second insulator 14 is overmolded onto afterbody 113 peripheries of this first insulator 11, thereby groove 1132 correspondence on the inner peripheral surface of these second insulator, 14 heads 141 that the insulating material of fusion fills up on first insulator 11 forms the above-mentioned trapezoidal projection 1411 that falls; Two deep-slotted chip breakers 1412 that form on these second insulator, 14 heads, 141 inner peripheral surfaces coat the remainder of two conducting terminals, 12 outer peripheral faces, and the boss 1413 between two deep-slotted chip breakers 1412 fills up two spaces between the conducting terminal 12, thereby firmly conducting terminal 12, can help the slimming of this wire and cable connector 1 again; The peripheral dimension of these first insulator, 11 holding parts 112 is used to press from both sides the storage tank (consulting Figure 10) of establishing a sealing ring 15 less than the peripheral dimension of these second insulator, 14 heads 141 and the peripheral dimension of these first insulator, 11 heads 111 thereby form one in these first insulator, 11 holding parts, 112 peripheries.4) sealing ring 15 is enclosed within the storage tank of holding part 112 peripheries of first insulator 11.
The wire and cable connector of the utility model preferred embodiment, inverted trapezoidal groove 1132 on first insulator 11 matches with the trapezoidal projection 1411 that falls in this second insulator 14, thereby prevents that second insulator 14 breaks away from first insulator 11 backward when pulling out wire and cable connector backward.This front wide and rear narrow groove design that on first insulator, 11 afterbodys 113, is adopted, not only increased the contact area between this first insulator 11 and this second insulator 14, thereby increased adhesion between the two by frictional force, and the shaped design of " front wide and rear narrow " of this groove 1132 makes that also the lateral wall of second insulator, 14 projections 1411 will be subjected to stopping of groove 1132 madial walls 11321 when pulling out wire and cable connector backward, thereby makes second insulator 14 can't break away from first insulator 11 backward.Therefore, the wire and cable connector 1 with such groove design can more effectively strengthen the bond strength between first insulator 11 and second insulator 14.In addition, the front end of these first insulator, 11 afterbodys 113 is less, the rear end is bigger, can prevent that also second insulator 14 that is overmolded onto these afterbody 113 outer peripheral faces breaks away from this first insulator 11 backward, helps further strengthening the adhesion between second insulator 14 and first insulator 11.
On the other hand, owing on first insulator 11, adopted front wide and rear narrow groove design, this design can make full use of first insulator, 11 thickness and the length on fore-and-aft direction own and offer groove 1132, thereby the adhesion that not only can help further strengthening between two insulators improves anti-pulling intensity, and can not cause the increase of first insulator, 11 thickness own and length, more help the whole microminiaturized of wire and cable connector 1, more to be applicable to the micro wire cable connector in the small-sized electric/electronic device of this class of hearing aids.
Obviously, above-mentioned groove design is not only for the miniature linear pattern wire and cable connector that is applied in the hearing aids, but can be widely used in the various wire and cable connectors, the technique effect that equally can realize reducing size yet and strengthen adhesion.Groove 1132 in the present embodiment is to be front wide and rear narrow trapezoidal, is front wide and rear narrow tubaeform but also can be designed as, and promptly two madial walls 11321 of this groove 1132 also can be the curved surfaces (scheming not shown) that slopes inwardly gradually backward and extend in the past; In addition, the quantity of above-mentioned groove 1132/ projection 1411 is not limited in one, also can be a plurality of groove 1132/ projections 1411; The position of groove 1132 also can change design other positions on first insulator, 11 outer peripheral faces into.
Foregoing only is preferred embodiment of the present utility model and the variant that exemplifies; not in order to restriction the utility model; every within spirit of the present utility model and principle; any modification and the improvement that need not creative thinking done all should be included within the protection range of the present utility model.
Claims (10)
1. wire and cable connector comprises:
One first insulator;
A plurality of conducting terminals, it is contained in this first insulator, and each conducting terminal comprises a butt end of stretching out this first insulator forward and a welding ends that stretches out this first insulator backward;
One cable, the welding ends of its front end and described a plurality of conducting terminals is electrically connected; And
One second insulator is in the welding ends of its front end with this cable, described a plurality of conducting terminals and at least a portion of this first insulator are coated on;
It is characterized in that, the outer peripheral face of this first insulator is provided with a front wide and rear narrow groove, this second insulator is overmolded onto on the outer peripheral face of this first insulator, and on the inner peripheral surface of this second insulator to should groove shaped Cheng Youyi shape size and the on all four projection of this groove, described projection matches with described groove to prevent that this second insulator breaks away from this first insulator backward.
2. wire and cable connector as claimed in claim 1 is characterized in that, this groove is a front wide and rear narrow inverted trapezoidal groove, and it comprises two madial walls and a diapire, and wherein said two madial walls are the planes that slope inwardly gradually backward and extend in the past.
3. wire and cable connector as claimed in claim 1 is characterized in that, this groove is a front wide and rear narrow tubaeform groove, and it comprises two madial walls and a diapire, and wherein said two madial walls are the curved surfaces that slope inwardly gradually backward and extend in the past.
4. as each described wire and cable connector in the claim 1 to 3, it is characterized in that, this first insulator comprises a head and an afterbody, and this groove is formed on the outer peripheral face of this afterbody, and this second insulator is overmolded onto on the outer peripheral face of this first insulator afterbody.
5. wire and cable connector as claimed in claim 4 is characterized in that, the center of described a plurality of conducting terminals and this groove lay respectively at the both sides up and down of this wire and cable connector.
6. wire and cable connector as claimed in claim 4 is characterized in that, this second insulator comprises a head and an afterbody that in the past sets gradually backward, and the head of this second insulator is overmolded onto on the afterbody of this first insulator; Also be provided with a holding part between the head of this first insulator and the afterbody, the peripheral dimension of this first insulator holding part is used to press from both sides the storage tank of establishing a sealing ring less than the peripheral dimension of this second insulator head and the peripheral dimension of this first insulator head thereby form one.
7. wire and cable connector as claimed in claim 4 is characterized in that, the front end of this first insulator afterbody is less, and the rear end is bigger, can prevent that second insulator that is overmolded onto this afterbody outer peripheral face breaks away from this first insulator backward.
8. wire and cable connector as claimed in claim 7, it is characterized in that, this wire and cable connector is a linear pattern connector, this groove extends on the surface of the outer peripheral face that is arranged on this afterbody along fore-and-aft direction, the outward-dipping gradually backward extension in the past of this surface, thus the diapire of this groove has the consistent degree of depth with this surface is parallel along fore-and-aft direction.
9. as each described wire and cable connector in the claim 1 to 3, it is characterized in that, this wire and cable connector is a linear pattern connector, this first insulator comprises a head and an afterbody, the front end of this first insulator afterbody is less, the rear end is bigger, and this second insulator is overmolded onto the afterbody of this first insulator.
10. wire and cable connector as claimed in claim 9, it is characterized in that, this groove extends on the surface of the outer peripheral face that is arranged on this afterbody along fore-and-aft direction, the outward-dipping gradually backward extension in the past of this surface, thus the diapire of this groove has the consistent degree of depth with this surface is parallel along fore-and-aft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200035496U CN201191673Y (en) | 2008-03-12 | 2008-03-12 | Cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200035496U CN201191673Y (en) | 2008-03-12 | 2008-03-12 | Cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191673Y true CN201191673Y (en) | 2009-02-04 |
Family
ID=40335832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200035496U Expired - Lifetime CN201191673Y (en) | 2008-03-12 | 2008-03-12 | Cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191673Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456971A (en) * | 2010-10-23 | 2012-05-16 | 富士康(昆山)电脑接插件有限公司 | Cable connector |
-
2008
- 2008-03-12 CN CNU2008200035496U patent/CN201191673Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456971A (en) * | 2010-10-23 | 2012-05-16 | 富士康(昆山)电脑接插件有限公司 | Cable connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5039690B2 (en) | Multi-pole connector | |
| CN104377510B (en) | Micro coaxial cable connector assembly and its assemble method | |
| CN203850558U (en) | Socket connector, plug connector and combination structure thereof | |
| US9502816B2 (en) | Connector terminal | |
| US20130337685A1 (en) | Electrical connector with detect function | |
| CN104092059A (en) | Socket connector, plug connector and combination structure thereof | |
| CN101499573A (en) | Audio plug connector | |
| US7648400B2 (en) | Electrical connector with improved contacts | |
| TWM519842U (en) | Receptacle connector into which plug connector can be inserted with either side facing up or down | |
| CN109149276B (en) | Electrical connector | |
| CN113346290A (en) | Front and back double-sided electric connector | |
| US10177503B2 (en) | Connector assembly having an insulator molded over front and rear shielding shells | |
| CN201191673Y (en) | Cable connector | |
| CN201868651U (en) | Electric connector assembly | |
| CN203690564U (en) | Electric connector | |
| US20110028046A1 (en) | Electrical connector having plural types of contacts | |
| CN110707471A (en) | Waterproof USB socket | |
| CN113471740B (en) | Positive and negative double-sided electric connector containing signal terminal | |
| CN210517115U (en) | Electric connector | |
| US20080293309A1 (en) | Connector with improved contact for transmitting high current | |
| CN201639014U (en) | Plug connector | |
| KR101435662B1 (en) | Improved plug connector for coupling structure of shell and fabricating method thereof | |
| CN202363652U (en) | Electric connector | |
| CN205069900U (en) | Cable connector module | |
| CN201178229Y (en) | Audio plug and connector thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |