CN205944594U - Waterproof connector of high pressure - Google Patents

Abstract

The utility model discloses a waterproof connector of high pressure relates to the electric elements field, and this connector includes the plug subassembly, the plug subassembly is through middle coupling assembling connection socket subassembly, the plug subassembly includes the plug body, the socket subassembly includes socket shell, and middle coupling assembling is including connecting the shell and connecting waterproof inner shell, sets up firstly to the fourth sealing washer on connecting waterproof inner shell, connects that the shell is sealed to be cup jointed socket shell with connect waterproof inner shell, three waterproof sealing circle has still been set up in plug subassembly and the socket subassembly. The utility model discloses form three -dimensional waterproof system, to having carried out the omnidirectional protection in every position that intakes easily, make the sealing performance of connector improved by a wide margin, bear the inside mechanical properties that still can guarantee the connector under the high water pressure condition, electric property can normal use, improved waterproof grade greatly, the assembly simply swiftly.

Description

A kind of high pressure water-proof connector

Technical field

The utility model is related to electrical equipment field, especially relates to a kind of water-proof connector.

Background technology

In new-energy automobile field, connector is primarily used to realize electrical connection and signal transmission, watertight connector It is commonly used in enging cabin and other needs the position of waterproof.Recently as the fast development of new-energy automobile, particularly The development of oil-electric vehicle, the waterproof requirement more and more higher to connector.Traditional product is due to sealing waterproof effect Difference and assemble complicated, because the vehicle failure problem that connector leads to emerges in an endless stream, can not meet new-energy automobile to severe The requirement of environment.

Utility model content

The utility model is to overcome above-mentioned situation not enough, it is desirable to provide a kind of water-proof connector of high leakproofness.

A kind of high pressure water-proof connector, including plug-assembly, described plug-assembly connects socket by intermediate connecting component Assembly, described plug-assembly includes plug body, and described jack assemblies include jack housing, and described intermediate connecting component is included even Connect shell and connect waterproof inner shell, outside the left end of described connection waterproof inner shell, be provided with the first annular arc accommodating the first sealing ring Connected in star and the second annular cambered groove accommodating the second sealing ring, are provided with receiving the outside the right-hand member of described connection waterproof inner shell 3rd annular cambered groove of three sealing rings and the fourth annular arc groove accommodating the 4th sealing ring；Described connection waterproof inner shell By the first sealing ring and the second sealing ring closely against the internal chamber wall in described jack housing, described connection waterproof inner shell passes through 3rd sealing ring and the 4th sealing ring are closely against the internal chamber wall in described plug body；Described first to fourth sealing ring and institute State connect waterproof inner shell center line walk consistent upwards；Described connected with outer casing sealing is socketed described jack housing and described company Connect waterproof inner shell.Described jack assemblies include socket sheath, and described socket sheath is socketed with inside and outside socket and jack housing respectively, Socket place is respectively equipped with the 5th sealing ring and the 6th sealing ring；Described plug body abuts cable by wave shape sealing ring.

Further, the described first to the 6th sealing ring is O-ring seals.

Further, described intermediate connecting component also includes insulating part, is provided with the first card outside the upper left of described insulating part Button, described first buckle closely abuts the first step on the internal cavities wall of described connection waterproof inner shell；Described insulating part Right outer circumference surface is provided with the second buckle that vertical cross-section is right-angled trapezium, and the hypotenuse of described right-angled trapezium is located at the left side, and described the Two buckles closely abut the second step on the internal cavities wall of described connection waterproof inner shell；The right lower quadrant of described insulating part is provided with Vertical cross-section is the 3rd buckle at right angle, and described 3rd buckle is semi-circular shape, and described 3rd buckle closely abuts described connection The 3rd step on the internal cavities wall of waterproof inner shell；Described insulating part is provided with the internal cavities accommodating terminal and cable, described Terminal inserts insulating part described in the insertion to the left of left through hole and the tight internal cavities wall abutting described insulating part；Described insulating part The lower circumferential wall of internal cavities is provided with the 4th step of semi-circular shape, and described 4th step closely abuts on described terminal the Four buckles, for right-angled trapezium and this trapezoidal hypotenuse is located at the left side to the vertical cross-section of described 4th buckle；Described insulating part is bullet Property part；The right side of described insulating part is provided with horizontal side channel.

Further, the quantity of described horizontal side channel is six and is circumferentially uniformly distributed.

Further, it is equipped with the snap ring contraction that vertical cross-section is square outside the right-hand member of described connection waterproof inner shell recessed Groove, it is square snap ring expansion groove that the left side internal cavities shell wall of described plug body is provided with vertical cross-section, described snap ring Shrink groove and described snap ring expansion groove up/down perforation and accommodate snap ring, described snap ring is the annulus being provided with one section of annular indentation Body, the vertical cross-section of described snap ring is square, and on described plug body, the position along described snap ring is equipped with more than three Snap ring takes out groove.

Further, described snap ring takes out groove and is three and is circumferentially uniformly distributed.

Further, also include retainer ring presses instrument, described retainer ring presses instrument includes support, and described support is provided with and institute State snap ring and take out the tool throughbore that groove connects, described tool throughbore is built-in with the radial direction being adapted with described snap ring taking-up groove and squeezes Pressure head, described radial compression head is connected to support by compression spring and is suspended in the radial outside of described snap ring.

The utility model passes through to arrange first to fourth sealing ring on connecting waterproof inner shell or wave shape sealing ring is real Now connect the dual-seal annexation of waterproof inner shell and described jack housing and plug body, socket is sealed by connected with outer casing Described jack housing and the triple seal of described connection waterproof inner shell, and it is also provided with three in plug-assembly and jack assemblies Waterproof grommet, forms three-dimensional water-proof system, has carried out omnibearing protection to the position of each easy water inlet, made connector Sealing property is largely increased, and substantially increases classification of waterproof, still ensures that inside connector under bearing high water pressures Mechanical performance, electric property can normally use.Engage waterproof inner shell and plug body by arranging snap ring, improve waterproof further Performance and quick and easy for installation.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or recognized by practice of the present utility model.

Brief description

Fig. 1 is that jack assemblies in the utility model, intermediate connecting component and plug-assembly plug together the structure after putting in place and show It is intended to；

Fig. 2 is the perspective view of insulating part of the present utility model；

Fig. 3 is the cross section structure schematic diagram after insulating part of the present utility model and terminal combination；

Fig. 4 is the perspective view after the utility model intermediate connecting component separates with plug；

Fig. 5 is the partial enlarged drawing at A in Fig. 1；

Fig. 6 is the annexation schematic diagram of retainer ring presses instrument in the utility model；

Fig. 7 is the partial section in B-B face in Fig. 6.

Description of reference numerals：

1st, intermediate connecting component；11st, connected with outer casing；13rd, connect waterproof inner shell；13a, first step；13b, second step； 13c, the 3rd step；13e, snap ring shrink groove；15th, insulating part；15a, the first buckle；15b, the second buckle；15c, the 3rd card Button；15d, the 4th step；15e, horizontal side channel；3rd, plug-assembly；31st, plug body；31a, snap ring take out groove；31e, snap ring expand Open groove；35th, cable；37th, terminal；37d, the 4th buckle；

5th, snap ring；7th, jack assemblies；71st, jack housing；

8th, retainer ring presses instrument；81st, radial compression head；83rd, compression spring；85th, support；

91st, the first sealing ring；92nd, the second sealing ring；93rd, accommodate the 3rd sealing ring；94th, fourth annular arc groove；95、 5th sealing ring；96th, the 6th sealing ring；97th, wave shape sealing ring.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining the utility model, and it is not intended that to the utility model Restriction.

Refer to Fig. 1, a kind of high pressure water-proof connector, including plug-assembly 3, described plug-assembly 3 is connected by centre Assembly 1 connects jack assemblies 7, and described plug-assembly 3 includes plug body 31, and described jack assemblies 7 include jack housing 71, in Between coupling assembly 1 include connected with outer casing 11 and connect waterproof inner shell 13, be provided with appearance outside the described left end connecting waterproof inner shell 13 Receive the first sealing ring 91 the first annular cambered groove and accommodate the second sealing ring 92 the second annular cambered groove, described connection It is provided with the 3rd annular cambered groove accommodating the 3rd sealing ring 93 outside the right-hand member of waterproof inner shell 13 and accommodate the 4th sealing ring Fourth annular arc groove 94.Described connection waterproof inner shell 13 pass through the first sealing ring 91 and the second sealing ring 92 closely against The internal chamber wall of described jack housing 71, that is, form right side dual-seal annexation.Described connection waterproof inner shell 13 passes through the 3rd Sealing ring 93 and the 4th sealing ring 94 closely against the internal chamber wall in described plug body 31, that is, form left side dual-seal and connect Relation.The center line of described first to fourth sealing ring and described connection waterproof inner shell 13 walk consistent upwards.Described connection Shell 11 sealing is socketed described jack housing 71 and described connection waterproof inner shell 13, that is, form triple seal annexation.Institute State jack assemblies 7 and include socket sheath 75, described socket sheath 75 is socketed with inside and outside socket 73 and jack housing 72 respectively, socket Place is respectively equipped with the 5th sealing ring 95 and the 6th sealing ring 96, and described plug body 31 abuts cable by wave shape sealing ring 97 35.Realize connecting waterproof inner shell by first to fourth sealing ring or wave shape sealing ring are arranged on connection waterproof inner shell 13 13 is with the dual-seal annexation of described jack housing 11 and plug body 71 and described by connected with outer casing 11 sealing socket Jack housing 71 and the described formation triple seal connecting waterproof inner shell 13, and also set up in plug-assembly 3 and jack assemblies 7 Three waterproof grommets, form three-dimensional water-proof system, have carried out omnibearing protection, the company of making to the position of each easy water inlet The sealing property connecing device is largely increased, and substantially increases classification of waterproof, still ensures that connection under bearing high water pressures Device internal mechanical performance, electric property can normally use.

Further, the described first to the 6th sealing ring be O-ring seals, O-ring seals low cost good water-proof effect and Easy for installation.

When connector rocks, such as connector internal structure does not closely consolidate, and will form negative pressure, when produced by negative pressure Power has exceeded the frictional force of sealing ring, may result in into water, so that this connector loses waterproof effect.Spy is directed to drawbacks described above Make improvement, refer to Fig. 1 to Fig. 3, be also provided with a kind of self-locking insulating part 15 of elastic component.The upper left of described insulating part 15 Outside is provided with the first buckle 15a, and described first buckle 15a closely abuts on the internal cavities wall of described connection waterproof inner shell 13 First step 13a, forms the screens of left upper end local.It is right-angled trapezium that the right outer circumference surface of described insulating part 15 is provided with vertical cross-section The second buckle 15b, the hypotenuse of described right-angled trapezium is located at the left side, and described second buckle 15b closely abuts described connection waterproof Second step 13b on the internal cavities wall of inner casing 13, forms right-hand member screens.Trapezoidal hypotenuse be designed as facilitating clamp, clamp When, the second step 13b positioned at the left side raised by trapezoidal hypotenuse easily cross second buckle 15b enter right side clamp static Position, rest position as shown in Figure 1.The right lower quadrant of described insulating part 15 is provided with the 3rd buckle 15c that vertical cross-section is right angle, described 3rd buckle 15c is semi-circular shape, and described 3rd buckle 15c closely abuts on the internal cavities wall of described connection waterproof inner shell 13 The 3rd step 13c, form lower middle part positioning.The right side of described insulating part 15 is provided with horizontal side channel 15e, and this side channel insertion is insulated Part right-hand member housing, during clamp, when second step 13b gradually passes through trapezoidal hypotenuse, pressure effect can make the right-hand member of insulating part 15 Radial contraction is the second buckle 15b radial contraction, and the width compression of horizontal side channel 15e diminishes, and buckle can be made more easily to cross Second buckle 15b enters right side clamp rest position, and the second buckle 15b is because the plastics rebound effect of insulating part 15 is radially simultaneously Expansion return, horizontal side channel 15 replys initial width.In sum, the first to the 3rd buckle and the first to the 3rd step make insulation The outside of part is fixed and positions.Described insulating part 15 is provided with the internal cavities accommodating terminal 37 and cable 35, described cable 35 pass through the right side cavity that described terminal 37 is fixed in crimping shaping.Described terminal 37 is inserted described in left through hole 15f insertion to the left Insulating part 15 and the tight internal cavities wall abutting described insulating part 15.In the lower circumferential wall of the internal cavities of described insulating part 15 It is provided with the 4th step 15d of semi-circular shape and the groove of semi-circular shape, described 4th step 15d closely abuts on described terminal 37 The 4th buckle 37d, the vertical cross-section of described 4th buckle 37d is right-angled trapezium and abutted with the groove perfection of semi-circular shape, This trapezoidal hypotenuse is located at the left side.For right-angled trapezium and this trapezoidal hypotenuse is located at the right side to the vertical cross-section of described 4th step 15d Side.The hypotenuse design of the right-angled trapezium of the 4th step 15d is convenient also for clamp, makes the 4th buckle 37d of terminal 37 light From the right more to the left side, the position that the common positioning of internal cavities wall of the 4th step and insulating part 15 secures terminal 37 is closed System, meanwhile, terminal 37 fixation is crimped with cable 35 and is fixed on plug-assembly 3.In sum, the inside and outside of insulating part 15 all obtains To fixing and positioning it is achieved that connector internal structure closely consolidate and clamp is convenient and swift, further increase water proofing property.

Further, as shown in figure 3, the quantity of described horizontal side channel 15e is 6 and is circumferentially uniformly distributed, can be by card Radial pressure during dress is effectively dispersed on 6 side channels.

Further, as shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the described outer side ring of right-hand member connecting waterproof inner shell 13 sets Vertical cross-section is had to be that square snap ring shrinks groove 13e, the left side internal cavities shell wall of described plug body 31 is provided with vertically Section is square snap ring expansion groove 31e, and snap ring shrinks groove 13e and snap ring expansion groove 31e up/down perforation and accommodates card Ring 5, described snap ring 5 is the torus (as shown in Figure 7) being provided with one section of annular indentation, and the vertical cross-section of described snap ring 5 is side Shape.Described snap ring 5 is Elastic Circular ring body, has certain radial contraction ability, because there is annular indentation, when outside snap ring 5 When being uniformly subject to the radial load towards the torus center of circle week, torus diameter diminishes contraction, and annular indentation diminishes, when radial load disappears During mistake, torus diameter becomes large circle breach and becomes big, and torus restores.When described snap ring 5 shrinks, snap ring 5 and snap ring shrink recessed Groove 13e profile is identical and tight abutting, and described connection waterproof inner shell 13 and plug body 31 can depart from left and right, you can in the middle of realizing Coupling assembly 1 is rapidly separated with plug-assembly 3.When described snap ring 5 is the work rest position shown in Fig. 5 when restoring, described card The half of ring 5 closely abuts the left and right sides that snap ring shrinks groove 13e, and second half closely abuts snap ring expansion groove 31e left and right sides, Described connection waterproof inner shell 13 and plug body 31 are combined closely fixation by snap ring 5, that is, realize intermediate connecting component and plug The fixation of assembly.The design that section is square allows snap ring more to fit closely with groove.Snap ring in sum and groove topography Identical and section be square define tight abutting relation, sealing is higher, and classification of waterproof more preferably and removes and installs conveniently.Described On plug body 31, the position along described snap ring 5 is equipped with several snap rings taking-up groove 31a, as shown in Figure 4.As Fig. 6 and Fig. 7 Shown, this connector also includes retainer ring presses instrument 8, and described retainer ring presses instrument 8 includes support 85, described retainer ring presses instrument 8 are provided with the tool throughbore connecting with described snap ring taking-up groove 31a, and described tool throughbore is built-in with and described snap ring takes out groove The radial compression 81 that 31a is adapted, described radial compression 81 is connected to support 85 by compression spring 83 and is suspended in institute State the radial outside of snap ring 5.During work, compress radial compression 81 with finger, compression spring 83 is compressed, described snap ring 5 is then Extruding by radial compression 81 is shunk in groove 13e thus being contracted to snap ring completely.In real work, snap ring takes out groove The quantity of 31a crosses at most water inlet risk to be increased, and as a preferred scheme, described snap ring takes out groove 3 and is preferably three and edge Even circumferential is distributed, and uniformly runs through plug body 31, and radial compression 81 is also three.During extruding, described snap ring 5 can be subject to footpath The power being 120 degree to the angular separation of extrusion head 81 is shunk in groove 13e thus being contracted to snap ring completely.Exert oneself for 3 points, hand is grasped Make simple and efficient, risk control of simultaneously intaking is to minimum.

In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify description, rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be It is mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning in the utility model for the above-mentioned term.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered Row combines and combines.

Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model Interior above-described embodiment can be changed, change, replacing and modification.

Claims (7)

1. it is characterised in that including plug-assembly, described plug-assembly passes through intermediate connecting component to a kind of high pressure water-proof connector It is connected with jack assemblies, described plug-assembly includes plug body, described jack assemblies include jack housing, described centre connects Connected components include connected with outer casing and connect waterproof inner shell, are provided with receiving the first sealing ring outside the left end of described connection waterproof inner shell The first annular cambered groove and accommodate the second sealing ring the second annular cambered groove, outside the right-hand member of described connection waterproof inner shell The fourth annular arc groove that side is provided with the 3rd annular cambered groove accommodating the 3rd sealing ring and accommodates the 4th sealing ring；Described Connect waterproof inner shell and pass through the first sealing ring and the second sealing ring closely against the internal chamber wall in described jack housing, described connection Waterproof inner shell passes through the 3rd sealing ring and the 4th sealing ring closely against the internal chamber wall in described plug body；Described first to The center line of four sealing rings and described connection waterproof inner shell walk consistent upwards；Described connected with outer casing sealing is socketed described socket Shell and described connection waterproof inner shell, described jack assemblies include socket sheath, described socket sheath respectively with socket and socket Shell inner-outer sleeve connects, and socket place is respectively equipped with the 5th sealing ring and the 6th sealing ring；Described plug body is sealed by waveform Circle abuts cable.

2. high pressure water-proof connector according to claim 1 is it is characterised in that the described first to the 6th sealing ring is O shape Sealing ring.

3. high pressure water-proof connector according to claim 1 is it is characterised in that described intermediate connecting component also includes insulating Part, is provided with the first buckle outside the upper left of described insulating part, described first buckle closely abuts the interior of described connection waterproof inner shell First step on portion's cavity wall；The right outer circumference surface of described insulating part is provided with the second buckle that vertical cross-section is right-angled trapezium, The hypotenuse of described right-angled trapezium is located at the left side, and described second buckle closely abuts on the internal cavities wall of described connection waterproof inner shell Second step；The right lower quadrant of described insulating part is provided with the 3rd buckle that vertical cross-section is right angle, and described 3rd buckle is semicircle Annular, described 3rd buckle closely abuts the 3rd step on the internal cavities wall of described connection waterproof inner shell；Described insulating part It is provided with the internal cavities accommodating terminal and cable, described terminal is inserted insulating part described in the insertion to the left of left through hole and closely abutted institute State the internal cavities wall of insulating part；The lower circumferential wall of the internal cavities of described insulating part is provided with the 4th step of semi-circular shape, Described 4th step closely abuts the 4th buckle on described terminal, the vertical cross-section of described 4th buckle be right-angled trapezium and This trapezoidal hypotenuse is located at the left side；Described insulating part is elastic component；The right side of described insulating part is provided with horizontal side channel.

4. high pressure water-proof connector according to claim 3 it is characterised in that described horizontal side channel quantity be six and Circumferentially it is uniformly distributed.

5. the high pressure water-proof connector according to claim 1 or 3 is it is characterised in that the right-hand member of described connection waterproof inner shell It is that square snap ring shrinks groove that outside is equipped with vertical cross-section, and the left side internal cavities shell wall of described plug body is provided with vertical Straightforward face is square snap ring expansion groove, and described snap ring shrinks groove and described snap ring expansion groove up/down perforation and accommodates card Ring, described snap ring is the torus being provided with one section of annular indentation, and the vertical cross-section of described snap ring is square, on described plug body Position along described snap ring is equipped with the snap ring taking-up groove of more than three.

6. high pressure water-proof connector according to claim 5 is it is characterised in that it is three and edge circle that described snap ring takes out groove Week is uniformly distributed.

7. high pressure water-proof connector according to claim 5 is it is characterised in that also include retainer ring presses instrument, described card Ring compression tool includes support, and described support is provided with and takes out the tool throughbore that groove connects, described tool throughbore with described snap ring It is built-in with and takes out, with described snap ring, the radial compression head that groove is adapted, described radial compression head is connected to support by compression spring And it is suspended in the radial outside of described snap ring.