CN102315551A - electrical connector - Google Patents

Abstract

The invention provides an electric connector, which comprises an upper cover component, wherein more than one convex piece is arranged on two opposite sides, and an upper cover clamping piece is arranged on at least one of the two sides; and a shell member, in which several wire-containing channels are set, every wire-containing channel is correspondent to the grid hole of a grid member and through hole of a sealing gasket respectively for every wire to pass through and contain, in which two opposite sides of said shell member are equipped with a guide groove from upper end edge of said side surface, said guide groove is matched with thickness of said shell member and exposed, and extended forward after extended obliquely downward forward, and in which the inner surface of said shell member is equipped with a shell fastener at correspondent position correspondent to said upper cover fastener, and the projection of said upper cover member can be moved forward to tail end along said guide groove so as to make said upper cover fastener and said shell fastener mutually fastened.

Description

Electric connector

Technical field

The present invention relates to a kind of automobile-used electric connector.

Background technology

In the field of automobile-used electric connector; Because car travels in various weather and the road environment; The structure that must make automobile-used connector is certain waterproof, shock-absorbing, dustproof; Avoiding the transmission of environmental interference electricity, signal, or aqueous vapor, vibrations cause the electric connector fault, break away from each other, thereby cause danger.

Please with reference to Fig. 4; Fig. 4 is the three-dimensional exploded view of the electric connector 400 of prior art; Comprise an insulation shell 41; The hollow space of this insulation shell 41 has slope grid 412 partly in order to ccontaining cable (not shown), packing ring 411, upper limb, and is provided with guide rail 413 in these insulation shell 41 subtend both sides; With a movable loam cake 42, in order to seal this insulation shell 41.When this movable loam cake 42 of combination and this insulation shell 41, this movable loam cake 42 is guided forward by this guide rail 413, and therefore this movable loam cake 42 presses setting packing ring 411 thereunder with the partly extruding downwards of slope of this grid 412 thereby push grid 412.In this insulation shell 41, form groove,, avoid it in insulation shell 41, to slide with location grid 412.At last, movable loam cake 42 is incorporated into the location sealing this insulation shell 41, and avoids grid 412 to slide.Like this then can positively make this packing ring 411 reach the function of sealing.

The shortcoming of this kind structure is because insulation shell 41 and movable loam cake 42 need the structure of various protrusions, depression respectively; Therefore the die sinking process is difficult for; And guide rail 413 is located at inside configuration assembling contraposition and is difficult for, the accurate sealed electrical connector 400 really of necessary contraposition, and last naked eyes are difficult to judge whether electric connector has assembled success; Might be judged to be the assembling completion with not assembling fixing electric connector 400 fully, perhaps the successful electric connector of assembling 400 is judged to be unassembled completion.On the other hand, when electric connector 400 was given a shock, movable loam cake 42 might be along guide rail 413 reverse slide, and then break away from insulation shell 41, and is like this then cause electric connector 400 can't reach the function of waterproof, shock-absorbing.

Summary of the invention

Target of the present invention is to provide a kind of die sinking manufacturing and assembling easily and the electric connector that can whether accomplish with the perusal assembling process.In addition, accomplish after the assembling, electric connector can't be separated into individual part, can guarantee waterproof, the incabloc function of electric connector.

Electric connector according to one embodiment of the invention comprises a cap member, and the subtend dual side-edge of this cap member has more than one projection piece, and wherein at least one side of this dual side-edge has a loam cake fastener; With a housing member; Be provided with most lead holding channels in this housing member, each lead channels corresponds respectively to the checkerwork cell of a grid members and the through hole of gasket seal, passes for each lead; The upper end genesis of the subtend two side faces of this housing member is provided with guide channel; This guide channel is matched with the thickness of this housing member and exposes, and should forwards extend after the extension of guiding geosynclinal synclinorium inferoanterior again, and the inner surface of this housing member is provided with a housing fastener corresponding to the position of this loam cake fastener.When this projection piece receives the guiding of this guide channel and to prelocalization, and this loam cake fastener is with after this housing fastener engages each other, the sealing pad is squeezed and water-tight between this majority lead holding channel and this grid members.

In one embodiment of this invention, this loam cake fastener is a protrusion, and this housing fastener is recessed, and both can engage each other.

In one embodiment of this invention, this housing member slides when moving forward to the location then to oblique inferoanterior along this guide channel, this grid members is extruded and downwards, and then presses down the sealing pad.

In one embodiment of this invention, the upper limb of this grid members is a level.

In one embodiment of this invention, this grid members has in order to locate the groove of this cap member.

In one embodiment of this invention; This electric connector also comprises the solid component that takes the shape of the letter U; In this cap member with after this housing member engages each other; Two ends that should solid component are separately fixed at the subtend two side faces that is provided with guide channel of this housing member, with engaging of this cap member of further reinforcing and this housing member.

Description of drawings

Fig. 1 is the three-dimensional exploded view of an embodiment of electric connector of the present invention.

Fig. 2 is the end view of an embodiment of electric connector of the present invention.

Fig. 3 is the side cutaway view of an embodiment of electric connector of the present invention.

Fig. 4 is the three-dimensional exploded view of the electric connector of prior art.

The main element symbol description:

100: electric connector 11: housing member

111: guide channel 112: the housing fastener

113: lead holding channel 12: cap member

121: projection piece 122: the loam cake fastener

123: keeper 13: grid members

131: groove 14: gasket seal

15: Gu component 400: electric connector

41: insulation shell 42: movable loam cake

411: packing ring 412: grid

413: guide rail

Embodiment

Please with reference to Fig. 1, Fig. 1 is the three-dimensional exploded view of an embodiment of electric connector of the present invention.Electric connector 100 comprises a cap member 12; The subtend dual side-edge of this cap member 12 has more than one projection piece 121, and wherein at least one side of this dual side-edge has a loam cake fastener 122 (being that two sides all have loam cake fastener 122 in the present embodiment); With a housing member 11, be provided with most lead holding channels 113 in this housing member 11, each lead holding channel 113 corresponds respectively to the checkerwork cell of a grid members 13 and the through hole of gasket seal 14, passes for each lead (not shown).The upper end genesis of the subtend two side faces of this housing member 11 is provided with guide channel 111; This guide channel 111 is matched with the thickness of this housing member 11 and exposes; And this guide channel 111 horizontal-extending forwards again after oblique inferoanterior extends, the inner surface of this housing member 11 is provided with a housing fastener 112 corresponding to the position of this loam cake fastener 122.

The assembling process of electric connector 100 is for placing the gasket seal 14 that size conforms to this housing member 11 earlier in this housing member 11; Then on sealing pad 14, place grid members 13; Make most lead holding channels 113 correspond respectively to the through hole of gasket seal 14 and the checkerwork cell of grid member 13, and lead is passed.Then earlier the projection piece 121 of cap member 12 is aimed at the guide channel 111 of housing member 11, projection piece 121 is embedded in the guide channel 111, and can move to oblique inferoanterior, be moved horizontally to the end location of guide channel 111 then forward along guide channel 111.When projection piece 121 moved to the end of guide channel 111, the loam cake fastener 122 of cap member 12 also was sticked in the housing fastener 112 of housing member 11.In this embodiment, loam cake fastener 122 is a projection piece, and housing fastener 112 is recessed, so that engaging each other.After the engaging, cap member 12 can't be slided with housing member 11 each other, and cap member 12 can't break away from housing member 11 in this way.The upper limb of grid members 13 is a level, when projection piece 121 when this guide channel 111 advances, the lower edge of cap member 12 is along the upper limb of grid members 13 forward.And the upper limb of grid members 13 can be and have groove 131, and the position of groove 131 is corresponding to the position of the keeper 123 of cap member 12.When projection piece 121 moves to guide channel 111 terminal, make the keeper 123 of cap member 12 lower edges embed the grooves 131 that are positioned at grid members 13 upper limbs just.Therefore, the groove 131 of grid members 13 can be in order to location cap member 12, and cap member 12 can not slided in housing member 11.This projection piece 121 receives the guiding of this guide channel 111 and is positioned to the end of this guide channel 111 to oblique inferoanterior; And this loam cake fastener 122 is with after this housing fastener 112 engages each other, and sealing pad 14 is squeezed between this majority lead holding channel and this grid members and produces the effect of water-tight.Further; Tight in order to ensure housing member 11 with engaging of cap member 12, the solid component 15 that takes the shape of the letter U is set, after this cap member 12 is sticked in the location each other with this housing member 11; That is; After projection piece 121 is arranged to the end of guide channel 111, the two ends of this solid component 15 are individually fixed in the subtend two side faces that is provided with guide channel 111 of this housing member 11, like this then can further reinforce engaging of this cap member 12 and this housing member 11.

Because guide channel 111 exposes to housing member 11, then the user can find out easily whether projection piece 121 has the end that moves to guide channel 111 really.Again because the position correspondence that cooperatively interacts; Loam cake fastener 122 and housing fastener 112 engage when projection piece 121 moves to guide channel 111 terminal automatically; And keeper 123 also embeds groove 131 automatically; Then the user just can learn whether electric connector 100 assembles completion as long as observe the end whether projection piece 121 moves to guide channel 111.In addition; Electric connector 100 according to the present invention is not with the horizontal direction embedding of sliding each other at assembling process; But be sticked in cap member 12 with oblique guide channel 111 guide protrusion parts 121 and mating recesses 131; Loam cake fastener 122 is sticked in housing fastener 112, and then no matter car meets with the vibrations of jolting of which direction, all is difficult for making the cap member 12 and housing member 11 disengagements of electric connector 100.

With reference to Fig. 2, Fig. 2 is the end view of an embodiment of electric connector 100 of the present invention, the end view after electric connector 100 assemblings of its displayed map 1 are accomplished.Can find out with the naked eye that from Fig. 2 projection piece 121 has moved to the end of guide channel 111, can know that then electric connector 100 assembled completion.When electric connector 100 received level (about or front and back) vibrations, then loam cake fastener 122 and housing fastener 112 can prevent that electric connector 100 from throwing off.When electric connector received vertically (up and down) vibrations, except loam cake fastener 122 and housing fastener 112 can prevent that electric connector 100 from throwing off, guide channel 111 also can be done spacing to projection piece 121, and shock-proof effect is also arranged.Gu the setting of component 15 can further strengthen engaging between cap member 12 and the housing member 11.In addition, the movable loam cake 42 with a side opening of contrast prior art according to being complete closed around the cap member 12 of electric connector 100 of the present invention, has better water proofing property.

With reference to Fig. 3, Fig. 3 is the side cutaway view of an embodiment of electric connector 100 of the present invention, the side cutaway view after electric connector 100 assemblings of its displayed map 1 are accomplished.Can find out that from Fig. 3 simple in structure according to the cap member 12 of electric connector 100 of the present invention and housing member 11 do not need a plurality of complicated groove and outstanding guide rail like the electric connector of prior art, so the cost of die sinking is lower, and assembling is simple.

Claims (7)

1. An electrical connector, characterized in that it comprises: An upper cover member having more than one protrusion on two opposite sides, and an upper cover engaging member on at least one of the two sides; and A shell member with a plurality of wire accommodating channels inside, and each wire accommodating channel corresponds to the grid hole of a grid member and the through hole of a sealing gasket, and is used for passing and accommodating each wire. Wherein, the two opposite sides of the housing member are provided with a guide groove from the upper end edge of the side, and the guide groove is matched with the thickness of the housing member to be exposed, and to the housing member After extending obliquely forward, it extends forward, and wherein the inner surface of the housing member is provided with a housing engaging member at a corresponding position corresponding to the upper cover engaging member, Wherein, when the protrusion of the upper cover member is combined to the end of the guide groove and the upper cover engaging member and the housing engaging member are engaged with each other, the sealing gasket will The plurality of wire accommodating passages and the grid member are squeezed and sealed. 2. The electrical connector according to claim 1, wherein at least two protrusions are provided on two sides of the upper cover member. 3 . The electrical connector according to claim 1 , wherein the engaging part of the upper cover is a protruding part, and the engaging part of the housing is a recessed part. 4 . 4. The electrical connector according to claim 1, wherein when the upper cover member is combined with the housing member, the grille member will be pressed downward, and the gasket will be pressed slice down. 5. The electrical connector according to claim 1, wherein the upper edge of the grid member is horizontal. 6. The electrical connector according to claim 1, wherein the upper edge of the grid member has a groove for positioning the upper cover member. 7. The electrical connector according to claim 1, further comprising a U-shaped fastener, after the upper cover member and the housing member are engaged with each other, the fastener The two ends of the two ends are respectively fixed on the two opposite sides of the housing member provided with the guide grooves, so as to strengthen the engagement between the upper cover member and the housing member.

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