CN202678620U - Connector device - Google Patents
Connector device Download PDFInfo
- Publication number
- CN202678620U CN202678620U CN 201220313489 CN201220313489U CN202678620U CN 202678620 U CN202678620 U CN 202678620U CN 201220313489 CN201220313489 CN 201220313489 CN 201220313489 U CN201220313489 U CN 201220313489U CN 202678620 U CN202678620 U CN 202678620U
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- Prior art keywords
- internal mold
- electrical connector
- perforation
- wire harness
- mold
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- Expired - Lifetime
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Abstract
The utility model relates to a connector device. The connector device comprises a connector and a wiring harness connected with the connector. The connector device also comprises a first internal model and a second internal model which clads the first internal model. The first internal model comprises a first wiring harness channel and a first punching hole, wherein the wiring harness passes through the first wiring harness channel and the first punching hole traverses the first wiring harness channel. The second internal model comprises a cylinder which fills in the first punching hole and a second punching hole which passes through the cylinder along a longitudinal direction.
Description
Technical field
The utility model relates to electric connector, more particularly, relates to a kind of water-proof connector device.
Background technology
Along with the water proof and dust proof requirement that the electronic equipments such as communication apparatus improve day by day, the external interface of equipment requires to guarantee structural reliability, requires to satisfy simultaneously high-grade water proof and dust proof requirement.The water proof and dust proof performance of a lot of electrical connectors in the correlation technique all is short of to some extent.
The utility model content
The technical problems to be solved in the utility model is, for the deficiency in the correlation technique, provides a kind of improved electrical connector.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of electrical connector, comprise connector and the wire harness that links to each other with this connector; This electrical connector also comprises the first internal mold and coats the second internal mold of this first internal mold; The first perforation that this first internal mold comprises the First Line beam passage that places for described wire harness and crosses this First Line beam passage, described the second internal mold comprise the second perforation that is filled in the cylinder in described the first perforation and longitudinally runs through this cylinder.
In electrical connector described in the utility model, described the first internal mold comprise the first front, with first back side of this first vis-a-vis and with this first positive and side that first back side is in a certain angle, the entrance and exit of described First Line beam passage lays respectively on described first positive and described the first side.
In electrical connector described in the utility model, described the first perforation is through to described first back side by described the first front, the slit between at least part of wire in the described wire harness and described the first internal mold and described the first perforation conducting.
In electrical connector described in the utility model, described the second internal mold comprise the second front of paralleling with described the first front, with second back side of this second vis-a-vis and the second side that this second front is linked to each other with second back side; Described the second perforation is through to described second back side by described the second front.
In electrical connector described in the utility model, the rectangular shape of described First Line beam passage, described the second side is provided with the second wire harness passage corresponding with the outlet of described First Line beam passage.
In electrical connector described in the utility model, described the second internal mold comprises mating surface; Described electrical connector comprises the external mold that coats described the second internal mold, described external mold and described the second internal mold in abutting connection with the position in slit away from described mating surface; Described external mold is provided with the harness cover corresponding with described the second wire harness passage.
In electrical connector described in the utility model, described the first internal mold and/or described the second internal mold adopt the plastic cement integrated injection molding.
In electrical connector described in the utility model, described the second internal mold comprises mating annular face, and described mating surface middle part is provided with bulge-structure; Described electrical connector also comprises the annular collision mat that matches with described bulge-structure.
In electrical connector described in the utility model, described wire harness links to each other with the terminal of described connector, and the junction between described terminal and the described wire harness is provided with watertight composition.
In electrical connector described in the utility model, this electrical connector also comprises external mold and locked instrument; Described external mold coats described the second internal mold, and offers three perforation corresponding with described the second perforation; Described locked instrument comprises and is arranged in the locking lever in described the second perforation and the 3rd perforation and is placed in silicagel pad and O-ring seals on this locking lever; Described silicagel pad is between the outer surface of the head of described locking lever and described external mold, and described O-ring seals is sheathed on described locking lever middle part.
The beneficial effects of the utility model are: compare with correlation technique, the utility model adopts two internal schema structures, can prevent effectively that sealing bundle along the line enters in the second perforation, has promoted the water resistance of whole electrical connector.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the cross-sectional view of the electrical connector in the correlation technique;
Fig. 2 is the cross-sectional view of the electrical connector among some embodiment of the utility model;
Fig. 3 is the three-dimensional exploded view of electrical connector shown in Figure 2.
Embodiment
Below in conjunction with specific embodiment and Figure of description the utility model is described in further details.
Fig. 1 shows a kind of electrical connector 1a in the correlation technique, this electrical connector 1a is right angle outlet water proof type D-SUB connector, as shown in the figure, this electrical connector 1a comprises the internal mold 30a of connector 10a, the wire harness 20a that links to each other with connector 10a, coating connector 10a and wire harness 20a, anti-two the hold-down screw 50a that draw external mold 40a and be used for locking and connecting apparatus 1a of waterproof of coating internal mold 30a.Internal mold 30a and external mold 40a all adopt injection mo(u)lding.Be formed with the wire harness passage 31a at a right angle among the internal mold 30a, with wire harness 20a from side direction guide out; The two ends of internal mold 30a respectively are provided with the screw hole 33a of a up/down perforation, are placed through wherein respectively for above-mentioned two screw 50a.In these two screw 50a, there is a screw 50a to cross screw hole 33a.
Above-mentioned electrical connector 1a possesses certain water proof and dust proof ability, yet, showing (for example, the electrical connector 1a that assembles being immersed in the regular hour in 1 meter dark water) through test, there is many hidden danger of leaking in it, and these hidden danger of leaking mainly comprise:
(1) the mating surface 41a of electrical connector 1a produces the drainage shown in the arrow A among Fig. 3, be water can be in the slit between the mating surface 41a of electrical connector 1a and the panel along the direction of arrow A by outside towards the space infiltration that plugs and sockets cooperates, easily electrical connector 1a is caused damage;
(2) gap between hold-down screw 50a and the screw hole 33a produces the drainage shown in the arrow B among Fig. 3, and namely water can be along the slit between hold-down screw 50a and the screw hole 33a, and from top to bottom infiltration is until arrive the space that plugs and sockets cooperates;
(3) produce the drainage shown in the arrow C among Fig. 3, namely, water can be along the slit between the harness cover 43a of wire harness 20a and external mold 40a, permeate gradually along wire harness 20a from right to left, until junction between the terminal of wire harness 20a and connector 10a, this junction generally is the exposed metal/bare metal state, runs into water and is easy to damage.
(4) because the screw hole 33a on right side shown in Figure 3 crosses the wire harness passage 31a of internal mold 30a, internal mold 30 is in injection molding process, wire harness 20a is when the beer internal mold, because the impulse force of melt plastic cement, wire harness 20a can be flushed on the hole wall of screw hole 33a at hold-down screw 50a place, shown in the arrow D of Fig. 3, water can be penetrated among the screw hole 33a along the slit between the harness cover 43a of wire harness 20a and external mold 40a, and the hole wall from screw hole 33a progressively is penetrated into downwards the space of plugs and sockets cooperation again.
(5) the external mold 40a of electrical connector 1a shown in Figure 3 coats internal mold 30a fully, the mating surface 41a in abutting connection with slit 45a and electrical connector 1a of internal mold 30a and external mold 40a is adjoining, and towards the space that plugs and sockets cooperates, water can be according to the infiltration water of direction shown in the arrow E among Fig. 3, be that water is introduced into the gap between external mold 40a and the internal mold 30a, again toward dirty, arrive internal mold 30a and external mold 40a in abutting connection with slit 45a place, be penetrated into again in the space of plugs and sockets cooperation.
Fig. 2 and Fig. 3 show the electrical connector 1 among some embodiment of the utility model, this electrical connector 1 can be right angle outlet water proof type D-sub electrical connector, it can be installed on such as on the panels 2 to the stricter electronic equipment of space requirement such as vehicle mounted communication equipment, and cooperate with the internal connector (not shown) that is fixed in this electronic equipment internal, realize the transmission of signal.This electrical connector 1 can be eliminated whole hidden danger of leaking that described electrical connector 1a exists, it comprises connector 10, the wire harness 20 that links to each other with connector 10, coat the first internal mold 30 of wire harness 20, coat the first internal mold 30 and connector 10 the second internal mold 40, coat the external mold 50 of the second internal mold 40, locked instrument 60 and the members such as annular collision mat 70 between electrical connector 1 and panel 2 of this electrical connector 1 that is used for locking.
Be appreciated that ground, in certain embodiments, if when leaking defective according to the part among the design above-mentioned electrical connector 1a of need elimination, electrical connector 1 also can include only the partial component in the above-mentioned member, therefore, electrical connector 1 is not limited to right angle outlet water proof type D-sub electrical connector.
Again as shown in the figure, connector 10 can comprise body 11, plug 13 and flange 15 in certain embodiments, and it is rectangular-shaped that body 11 can be, it comprise positive 110 and with the positive 110 relative back sides 112.Plug 13 setting is positioned on this front 110, and wire harness 20 is connected on this back side 112 and is connected with the terminal 17 of connector 10, and 15 of flanges are arranged at the sidepiece of body 11 near positive 110 places, think that the grafting of plug 13 provides better support.The two ends of flange 15 offer respectively a perforation 150, use for locked instrument 60 to place.Be appreciated that ground, the body of connector 10 is not limited to cuboidal configuration, and it can change as required accordingly, for example, is cylinder.
It is rectangular-shaped that the first internal mold 30 can be in certain embodiments, it can adopt the plastic cement integrated injection molding, and can comprise wire harness passage 31, perforation 33, with positive 110 fronts that parallel 35, the back side 37 relative with this front 35 and with the perpendicular side 39 in front 35 and the back side 37.Be appreciated that ground, the first internal mold 30 also is not limited to and is rectangular-shaped, and cylindrical shape or other shapes such as round table-like are also passable, correspondingly, side 39 also is not limited to front 35 and the back side 37 perpendicular, gets final product as long as possess certain angle (for example, the angles of 50 ~ 100 degree).Be appreciated that ground, the first internal mold 30 also is not limited to and adopts the plastic cement integrated injection molding again, and other materials that are fit to, suitable processing technology are also passable.
In certain embodiments, entrance 310 and the outlet 312 of wire harness passage 31 lay respectively on the front 35 and side 39 of the first internal mold 30, and rectangular shape, so that this electrical connector 1 can be realized the right angle outlet preferably.Be appreciated that ground, wire harness passage 31 is not limited to rectangular-shaped, in certain embodiments, is bending, arc is that linearity is also passable, as long as exist a perforation need to cross wire harness passage 31, and need to not allow the wire of wire harness 20 and slit between the first internal mold 30 be communicated with this perforation to get final product.
In certain embodiments, can be formed with two perforation 33 on the first internal mold 30, each perforation 33 all is cylindric, and is through to the back side 37 from the front 35 of the first internal mold 30.These two perforation 33 lay respectively at the first internal mold 30 near the place, two ends, and wire harness passage 43 is crossed in one of them perforation 33, so, then the first internal mold 30 is in the process of injection mo(u)lding, wire harness 20 is when the beer internal mold, because the impulse force of melt plastic cement, the part or all of wire in the wire harness 20 may be flushed on the hole wall of perforation 33, in the time of on being flushed to perforation 33 hole wall, so that the slit between this part or all of wire and the first internal mold 30 33 is communicated with boring a hole.In addition, the quantity of perforation 33 is not limited to two, and according to quantity or other concrete needs of locked instrument 60, it also can be one or more.Be appreciated that ground, the first internal mold 30 is not limited to and adopts the plastic cement integrated injection molding again, and other materials that are fit to, suitable processing technology are also passable.
It is rectangular-shaped that the second internal mold 40 also can be in certain embodiments, and envelope the body 11 of whole the first internal mold 30 and connector 10, and triplicity is integral.The second internal mold 40 also can adopt the plastic cement integrated injection molding, it comprise cylinder 41, perforation 43, with positive 110 fronts that parallel 45, the back side 47 relative with positive 45 and the side 49 that is connected front 45 and the back side 47.Cylinder 41 positive 45 and the back side 47 between, and be filled in the perforation 33 of the first internal mold 30.The perforation 43 of the second internal mold 40 longitudinally runs through cylinder 41 first from positive 45, extend to the back side 47 again; Perforation 43 can be cylindric, is to use for locked instrument 60 to be placed through wherein.Side 49 is provided with the wire harness passage 490 corresponding with the outlet 312 of wire harness passage 31, so that wire harness 20 can be drawn from the side 49 of the second internal mold 40.Side 49 also is provided with some roads annular groove 492, is in order to cooperate with external mold 50, to promote the tightness of the second internal mold 40 and external mold 50 combinations.Be appreciated that ground, the second internal mold 40 also is not limited to and adopts the plastic cement integrated injection molding, and other materials that are fit to, suitable processing technology are also passable.
By above-mentioned record as can be known, because the second internal mold 40 runs through cylinder 41 for the perforation 43 that locked instrument 60 places in the perforation 33 corresponding zones of the first internal mold 30, the perforation 43 with wire harness 20 between be not communicated with, therefore, the water of coming in via wire harness 20 infiltration enters at most the slit between the outside wall surface of the internal face of perforation 33 and cylinder 41, and can not be penetrated in the perforation 43, thereby eliminated the hidden danger of leaking shown in the arrow D in the correlation technique shown in Figure 3, improved the waterproof effect of electrical connector 1.Be appreciated that ground, the second internal mold 40 also is not limited to and is rectangular-shaped, and other shapes such as cylindric or round platform are also passable.
In certain embodiments, the height of external mold 50 can be less than the height of the second internal mold 40, so that external mold 50 parts coat the second internal mold 40, between external mold 50 and the second internal mold 40 in abutting connection with slit 51(as shown in Figure 2) away from the mating surface 450 of the second internal mold 40, the water that gap inner penetration between external mold 50 and the second internal mold 40 is come in, can be to the path movement shown in the arrow E in the correlation technique shown in Figure 3, in the plug 13 that can't enter into electrical connector 1 and the space that socket cooperates.
In certain embodiments, the second internal mold 40 also can comprise a mating surface 450, these mating surface 450 rectangular ring-types, and around connector 10.The middle part of mating surface 450 is provided with a bulge-structure 452, this bulge-structure 452 also ringwise, it is used for cooperating with collision mat 70, with the purpose of realization waterproof.When electrical connector 1 (for example assembles, electrical connector 1 cooperates with communication apparatus panel 2 interior fixing internal connector devices, and when locked instrument 60 has locked) when good, locked instrument 60 can produce a pressure to external mold 50, this pressure orders about bulge-structure 452 and is pressed on the collision mat 70, with sealing between mating surface 450 and the panel 2, water can not enter into the plugs and sockets adapted space via the gap between mating surface 450 and the panel 2 from the outside, reaches the purpose of malleation waterproof.Collision mat 70 can be silicagel pad in certain embodiments.So, can eliminate the hidden danger of leaking shown in the arrow A in the correlation technique shown in Figure 3.
Locked instrument 60 can be two in certain embodiments, and lay respectively at the two opposite sides of connector 10, be used for whole electrical connector 1 power is locked to panel 2 equably, correspondingly, the locked instrument (for example, lock screw etc.) that matches with locked instrument 60 can be installed on the panel 2.Be appreciated that ground, the quantity of locked instrument 60 is not limited to two, and as required, its quantity can be less than or greater than two.
In certain embodiments, locked instrument 60 can comprise be arranged in perforation 43 and bore a hole in 53 locking lever 61 and be placed in silicagel pad 63 on the locking lever 61, locking lever 61 comprises a head 610 and the spiro union portion 612 relative with head 610, silicagel pad 63 can rely on screw lock power to realize the malleation waterproof between the outer surface of the head 610 of locking lever 61 and external mold 50.In addition, locked instrument 60 also comprises the O-ring seals 65 that is sheathed on locking lever 61 middle parts, with further lifting water resistance.When assembling, this O-ring seals 65 is between the internal face of the outside wall surface of locking lever 61 and the second perforation 43.Offer annular slot 614 on the outside wall surface at locking lever 61 middle parts, be arranged at wherein for O-ring seals 65.Locked instrument 60 is by duplicate protection, can prevent that sealing is penetrated into plug and space that socket cooperates by the upper end of locking lever 61 to the lower end, eliminated the hidden danger of leaking shown in the arrow B in the correlation technique shown in Figure 3.
In certain embodiments, also can be before 30 moulding of the first internal mold, tie point between the terminal 17 of wire harness 20 and connector 10 arranges watertight composition (not shown), for example, smear one deck marine glue etc., get up with the whole cappings of metal part that will expose between the two, so, when water is penetrated into tie point between the terminal 17 of wire harness 20 and connector 10 along wire harness 20, can not produce harm to connector 10, therefore, can eliminate the hidden danger of leaking shown in the arrow C in the correlation technique shown in Figure 3.
The above only is preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in several improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. an electrical connector comprises connector and the wire harness that links to each other with this connector, it is characterized in that, this electrical connector also comprises the first internal mold and coats the second internal mold of this first internal mold; The first perforation that this first internal mold comprises the First Line beam passage that places for described wire harness and crosses this First Line beam passage, described the second internal mold comprise the second perforation that is filled in the cylinder in described the first perforation and longitudinally runs through this cylinder.
2. electrical connector according to claim 1, it is characterized in that, described the first internal mold comprise the first front, with first back side of this first vis-a-vis and with this first positive and side that first back side is in a certain angle, the entrance and exit of described First Line beam passage lays respectively on described first positive and described the first side.
3. electrical connector according to claim 2 is characterized in that, described the first perforation is through to described first back side by described the first front, the slit between at least part of wire in the described wire harness and described the first internal mold and described the first perforation conducting.
4. electrical connector according to claim 3 is characterized in that, described the second internal mold comprise the second front of paralleling with described the first front, with second back side of this second vis-a-vis and the second side that this second front is linked to each other with second back side; Described the second perforation is through to described second back side by described the second front.
5. electrical connector according to claim 4 is characterized in that, the rectangular shape of described First Line beam passage, and described the second side is provided with the second wire harness passage corresponding with the outlet of described First Line beam passage.
6. each described electrical connector is characterized in that according to claim 1-5, and described the second internal mold comprises mating surface; Described electrical connector comprises the external mold that coats described the second internal mold, described external mold and described the second internal mold in abutting connection with the position in slit away from described mating surface; Described external mold is provided with the harness cover corresponding with described the second wire harness passage.
7. each described electrical connector is characterized in that according to claim 1-5, and described the first internal mold and/or described the second internal mold adopt the plastic cement integrated injection molding.
8. each described electrical connector is characterized in that according to claim 1-5, and described the second internal mold comprises mating annular face, and described mating surface middle part is provided with bulge-structure; Described electrical connector also comprises the annular collision mat that matches with described bulge-structure.
9. each described electrical connector is characterized in that according to claim 1-5, and described wire harness links to each other with the terminal of described connector, and the junction between described terminal and the described wire harness is provided with watertight composition.
10. each described electrical connector is characterized in that according to claim 1-5, and this electrical connector also comprises external mold and locked instrument; Described external mold coats described the second internal mold, and offers three perforation corresponding with described the second perforation; Described locked instrument comprises and is arranged in the locking lever in described the second perforation and the 3rd perforation and is placed in silicagel pad and O-ring seals on this locking lever; Described silicagel pad is between the outer surface of the head of described locking lever and described external mold, and described O-ring seals is sheathed on described locking lever middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313489 CN202678620U (en) | 2012-06-29 | 2012-06-29 | Connector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313489 CN202678620U (en) | 2012-06-29 | 2012-06-29 | Connector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678620U true CN202678620U (en) | 2013-01-16 |
Family
ID=47499497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313489 Expired - Lifetime CN202678620U (en) | 2012-06-29 | 2012-06-29 | Connector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647178A (en) * | 2013-12-06 | 2014-03-19 | 四川永贵科技有限公司 | Plug of electric connector with high watertightness |
| CN108173063A (en) * | 2018-02-09 | 2018-06-15 | 东莞市扬志精密五金有限公司 | A kind of needle stand waterproof male and female head |
-
2012
- 2012-06-29 CN CN 201220313489 patent/CN202678620U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647178A (en) * | 2013-12-06 | 2014-03-19 | 四川永贵科技有限公司 | Plug of electric connector with high watertightness |
| CN108173063A (en) * | 2018-02-09 | 2018-06-15 | 东莞市扬志精密五金有限公司 | A kind of needle stand waterproof male and female head |
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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: 20130116 |