CN207368318U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, it is assembled in the shielding casing of insulating body and the nut being assembled to outside shielding casing, the insulating body, which has, along the longitudinal direction to be run through it to house some terminal channels of corresponding conducting terminal, the electric connector also has the antivibrating ring being assembled in outside the shielding casing, the antivibrating ring includes matrix and some elastic constructions being arranged on matrix, the antivibrating ring is folded between the shielding casing and the nut so that its elasticity abuts the shielding casing and the nut.The utility model electric connector effectively vibrationproof and can have good shielding.

Description

Electric connector

Technical field

A kind of electric connector is the utility model is related to, more particularly to a kind of electric connector that can effectively prevent vibration from coming off.

Background technology

Electric connector is widely used in the fields such as new-energy automobile, industrial equipment, urban rail and rolling stock electric appliance, at present, With the progressively exploitation of automobile, the cylindrical connector on automobile usually has single function of shielding or single vibrationproof The dynamic function that comes off, and vibration proof dropping structure is squash type by force, and this vibration-proof structure is easy to wear, short life, and zero group The processing dimension of part is difficult to control.In addition, when the afterbody outlet angle of connector is 90 degree, the casing of afterbody is usually two pieces The car product of formula is assembled, so causes production unit cost height, packaging efficiency low.

In view of this, it is necessary to existing electric connector is improved, to solve the above problems.

Utility model content

The purpose of this utility model is to provide it is a kind of can effectively vibrationproof and with good shielding electric connector.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, it includes insulating body, consolidates Due to some conducting terminals in the insulating body, it is assembled in the shielding casing of insulating body and is assembled to outside shielding casing Nut, the insulating body, which has, along the longitudinal direction to be run through it to house some terminal channels of corresponding conducting terminal, described Electric connector also has the antivibrating ring being assembled in outside the shielding casing, and the antivibrating ring includes matrix and is arranged on matrix Some elastic constructions, the antivibrating ring is folded between the shielding casing and the nut so that its elasticity abuts the masking Housing and the nut.

As further improvement of the utility model, the elastic construction flexibly supports portion, the support division including some W-shaped along the circumferential direction extension of the antivibrating ring, it has the of the first elastic portion for outwards arching upward and the projection that curves inwardly Two elastic portions.

As further improvement of the utility model, each support division in axial direction on both sides be respectively equipped with one Slit, circumferentially direction extends the slit, and radially runs through described matrix.

As further improvement of the utility model, the elastic construction, which has further included, some outer to be supported shrapnel and interior supports Shrapnel, the support division in axial direction outer support shrapnel and interior support between shrapnel positioned at described.

As further improvement of the utility model, it is described in support the rear end that shrapnel is arranged at described matrix, and rear end For free terminal, it bends inwardly so that its free terminal is connected to the bearing surface of the shielding casing, to prevent antivibrating ring Retreat.

As further improvement of the utility model, the inner wall of the shielding casing faces out concave shape into having at least two Mating groove, it is described it is outer support shrapnel and outwards protrude into the mating groove of front side, first elastic portion outwards protrudes into position In the mating groove of rear side.

As further improvement of the utility model, the antivibrating ring also has to be opened from the front end of matrix is concave backward Mouthful, the locating piece set on rear side of the shielding casing is housed and is positioned in the opening.

As further improvement of the utility model, the electric connector also has the metal being assembled on rear side of shielding casing Casing, the shielding casing have a buckle block of radially outstanding formation, the front end of described sleeve pipe concave shape backward Into a limit hole, the buckle block is housed and is positioned in the limit hole.

As further improvement of the utility model, the metal sleeve includes the front tube mutually fastened and rear pipe, described Front tube and the rear pipe pass through the connecting portion set between it and will be connected with each other, and the front tube is equipped with close to the position of the rear pipe Buckling parts is projected outwardly, top position is managed after described and is equipped with a fastening hole, the rear pipe is rolled over downwards from the rear end of connecting portion It is curved to be extremely vertically arranged with the front tube and the buckling parts is snapped into the fastening hole.

As further improvement of the utility model, the front tube is additionally provided with a pair of of banking stop, institute by the position of front end The both sides that banking stop is arranged at the front tube in transverse direction are stated, and are set towards the project inward of front tube, the banking stop Rear end is connected on the blocking surface set on shielding casing.

The utility model electric connector has the shielding casing being assembled in outside insulating body and is sheathed on the masking at the same time Antivibrating ring outside housing is to realize good function of shielding and vibration proof falling-off effect.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the utility model preferred embodiment electric connector.

Fig. 2 is the three-dimensional assembly diagram after electric connector removes insulation crust shown in Fig. 1.

Fig. 3 is the three-dimensional exploded view of electric connector shown in Fig. 2.

Fig. 4 is the conducting terminal of electric connector shown in Fig. 3 and the part assembling figure after insulating body assembling.

Fig. 5 is the part assembling figure of electric connector shown in Fig. 3.

Fig. 6 is the rearview of the insulating body of electric connector shown in Fig. 3.

Fig. 7 is the further assembling figure of electric connector shown in Fig. 5.

Fig. 8 is the schematic perspective view after electric connector removes metal sleeve shown in Fig. 7.

Fig. 9 is the schematic perspective view of metal sleeve in electric connector shown in Fig. 7.

Figure 10 is the view at another visual angle of electric connector shown in Fig. 2.

Figure 11 is the schematic cross-sectional view along Fig. 8 center lines A-A.

Figure 12 is the schematic perspective view of another preferred embodiment electric connector of the utility model.

Figure 13 is the three-dimensional exploded view after electric connector removes insulation crust shown in Figure 12.

Embodiment

In order to make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the accompanying drawings and it is embodied The utility model is described in detail in example.

It refer to the electric connector 100 that Fig. 1 to Figure 11 show one preferred embodiment of the utility model, the electric connector 100 include insulating body 1, some conducting terminals 2 being fixed in the insulating body 1, the screening for being assembled in the insulating body 1 Cover housing 3.

It refer to shown in Fig. 3 to Fig. 4, Fig. 6 and Figure 11, the insulating body 1 is cylindrical, it includes pair positioned at front side Socket part 11, the mounting portion 12 positioned at rear side and along the longitudinal direction by its perforative some terminal channel 13, the insulating body 1 Also there is a cross-notching 14 of the formation that is recessed backward from its front end face, 14 square crossings of the pair of fluting are in cross, and The cental axial position of the insulating body 1 intersects to form centre gangway, in other words, in 14 self-insulating bodies 1 of the fluting Mandrel radially stretches out and is run through.Meanwhile the pair of fluting is 14 arranged in a crossed manner with insulating body 1 is uniform Ground is divided into four segments, and the fluting 14 does not along the longitudinal direction run through the insulating body 1, therefore four segments exist Front portion is separated from each other setting, is only connected two-by-two in rear end.And one of segment is equipped with it close to the corner of central shaft Notch 15, the notch 15 are connected with the fluting 14 of both sides.

The radially outside projection of the outer surface of the mounting portion 12 is formed with some convex blocks 121, and the convex block 121 The outer surface of the mounting portion 12 is distributed evenly in, in the present embodiment, the outer surface of each segment is equipped with two intervals The convex block 121 set.The insulating body 1 also has some locks extended back from the rear end of the mounting portion 12 Arm 16, the free terminal of each lock catch arm 16 are equipped with the latch portion 161 of a direction projection for facing away from central shaft.

It please join shown in Fig. 3 to Fig. 4, in the present embodiment, the conducting terminal 2 is assembled from back to front in a manner of man-to-man Enter in corresponding terminal channel 13, and holding parts 221 are radially projected outwardly by it and are interfered admittedly with insulating body 1 Hold.Each conducting terminal 2 includes the contact site 21 positioned at front end, the afterbody 23 positioned at rear end and connection contact site 21 and afterbody 23 Pars intermedia 22, in the present embodiment, in a tubular form for docking terminal insertion, the holding parts 221 set the contact site 21 In the pars intermedia 22.

Refer to shown in Fig. 3 to Fig. 5, the shielding casing 3 is made of alloy material, it include the main part 31 of tubulose and Insertion section 32 in the main part 31, the main part 31 are arranged to hollow structure, the insertion section 32 in cross, And its internal face of four ends with the main part 31 is connected, by the inner space of the main part 31 be divided into each other every From four receiving spaces.The insertion section 32 extends beyond forward the front end face 310 of the main part 31, and it is super to extend back Go out the rear end face 312 of the main part 31.

The main part 31 has some containers 311 for the certain depth formation that is recessed backward from its front end face, in this reality Apply in example, each receiving space is connected with a container 311.The main part 31 is adjacent to the position of its front end face 310 Radially outside projection forms a positioning block 313, and the back segment radially projection of the main part 31 is formed with some Bar bulge loop 314, the main part 31 also have the outer circumferential surface radially outstanding formation from least one of bulge loop 314 Buckle block 315, in the present embodiment, a buckle block 315 is respectively equipped with the two of which bulge loop 314 of the main part 31, And two buckle blocks 315 align along the longitudinal direction, and the height of radially projection is identical.

It refer to shown in Fig. 3 to Fig. 5 and Figure 11, the electric connector 100, which also has, to be sheathed on outside the shielding casing 3 Antivibrating ring 4, the antivibrating ring 4 are annular shape, and are made of metal material, it include matrix 41, from the front end of matrix 41 backward Concave opening 42 and some elastic constructions being arranged on matrix 41, in the present embodiment, the elastic construction are described anti- The ring 4 that shakes set it is some it is outer support shrapnel 43, it is some in support shrapnel 44 and flexibly support portion 45, the support division 45 is vertically Direction outer support shrapnel 43 and interior supports between shrapnel 44 positioned at described.

The rear end that shrapnel 44 is arranged at described matrix 41 is supported in described, and rear end is free terminal, it bends inwardly So that its free terminal is connected to the bearing surface 316 of the shielding casing 3, to prevent antivibrating ring 4 from retreating.

In the present embodiment, the support division 45 is simple beam structure, and W-shaped along the circumferential direction extension of antivibrating ring 4, It has two the first elastic portions 451 outwards to arch upward and second elastic portion 452 of the projection that curves inwardly, and is so designed that not Only the elasticity capacity of support division 45 is relatively strong and can increase the elastic service life of support division 45.Each support division 45 is along axis A slit 46 is respectively equipped with to the both sides on direction, circumferentially direction extends the slit 46, and radially will be described anti- The matrix 41 of ring 4 of shaking runs through, so to provide certain bit space that allows when support division 45 is subject to external force suppressing action.

In other embodiments, it is described outer to support shrapnel 43, any one interior supported in shrapnel 44 or support division 45 Or two kinds of combination can be as the elastic construction of antivibrating ring 4.The antivibrating ring 4 is designed to there is some elastic constructions, can be with Reduce difficulty of processing, the service life for reducing structural wear, increasing product.

It refer to shown in Fig. 1 to Fig. 3, Fig. 7 to Fig. 8 and Figure 11, the electric connector 100, which also has, is assembled in the masking Nut 5 outside housing 3 and antivibrating ring 4, in the present embodiment, the nut 5 have positioned at anterior manual operation unit 51 and position In the tool operation portion 52 at rear portion, the manual operation unit 51 has some press sections 511 being arranged alternately and anti-slip part 512, The press section 511 is the sunk structure that arc is set, and the surface of the anti-slip part 512, which is provided with, some in axial direction to be extended Burr, in the present embodiment, the quantity of the press section 511 and anti-slip part 512 is six, so that press section 511 is big It is small to meet ergonomics.

The inner wall in the tool operation portion 52 faces out concave shape into the mating groove 521 for having at least two annulars, two institutes Auxiliary section 521 is stated in axial direction to arrange.The nut 5 also has the fin from inner wall surface thereof radially inside projection 53, the fin 53 is located at the inner side of the manual operation unit 51.The nut 5 can both use the instrumental purposes such as spanner in institute State and tighten or unscrew to realize in tool operation portion 52, directly can also act on the manual operation with hand in no instrument Tighten or unscrew to realize in portion 51, so it is easy to disassemble.

It refer to shown in Fig. 2 to Fig. 3, Fig. 5, Fig. 7 and Fig. 9 to Figure 10, the electric connector 100 is also described with being assembled in Metal sleeve 6 outside 3 rear end of shielding casing, the metal sleeve 6 are single type hollow structure made of metal material punching press, when Cable is welded in the rear end of conducting terminal 2（It is not shown）Afterwards, the metal sleeve 6 can be rapidly by 90 degree of cable bending, and protect Hold the state at 90 degree.

The metal sleeve 6 includes front tube 61 and the rear pipe 62 mutually fastened, and the front tube 61 passes through with the rear pipe 62 The connecting portion 63 set between it will be connected with each other, and the roof of the connecting portion 63 from the front tube 61 extends rearwardly to form.Institute The front end for stating front tube 61 is recessed to form a limit hole 611 backward, and the limit hole 611 is along short transverse by the top of the front tube 61 Wall runs through.

The front tube 61 is equipped with close to the position of the rear pipe 62 and projects outwardly buckling parts 612, and the rear pipe 62 is top Position be equipped with a fastening hole 621.The front tube 61 is additionally provided with a pair of of banking stop 613, the banking stop by the position of front end 613 are arranged at the both sides of the front tube 61 in transverse direction, and are set towards the project inward of front tube 61.

Before 3 rear end of shielding casing is assembled to, the rear pipe 62 is identical with the extending direction of the front tube 61, and equal edge Axial direction extends, and after being assembled to outside the shielding casing 3 and cable, the rear pipe 62 is rolled over downwards from the rear end of connecting portion 63 It is curved to be extremely vertically arranged with the front tube 51 and the buckling parts 612 is snapped into the fastening hole 621, so as to be formed on the whole The metal sleeve 6 of rectangular configuration.The utility model metal sleeve 6 is formed by the way of the conjunction of Integral refractive curved button, Ke Yiyou Effect reduces cost, improves packaging efficiency.

Refer to shown in Fig. 3 to Fig. 5, Fig. 7 and Figure 10, during assembling, the conducting terminal 2 be assembled into from back to front it is described absolutely In the corresponding terminal channel 13 of edge body 1, and held by the holding parts 221 and the interference of insulating body 1.The shielding casing 3 are assembled in the insulating body 1 from back to front, wherein the main part 31 is sheathed on outside the mounting portion 12, and the convex block 121 protrude into corresponding container 311 backward, and the insertion section 32 is forwardly inserted the corresponding fluting in the insulating body 1 In 14, four segments of the front side of insulating body 1 are inserted into the correspondence receiving space of the shielding casing 3 respectively, described The latch portion 161 of lock catch arm 16 slips over the rear end face 312 of the shielding casing 3 backward, and the front end face of the latch portion 161 with 312 phase of rear end face latches, and the insulating body 1 and 3 phase of shielding casing are latched.

The antivibrating ring 4 is assembled in outside the shielding casing 3, and the locating piece 313 of shielding casing 3 houses and is positioned at institute State in the opening 42 of antivibrating ring 4, the interior rear end for supporting shrapnel 44 is connected to the bearing surface 316 of the shielding casing 3.

The nut 5 is assembled in outside the insulating body 1 and shielding casing 3 from front to back, the front end of the shielding casing 3 Face 310 is resisted against forward the rear surface of the fin 53, and the fin 53 inwardly presses on the outer surface of the convex block 121.Institute State it is outer support shrapnel 43 and outwards protrude into the mating groove 521 of front side, the first elastic portion 451 of the support division 45 is outside Protrude into the mating groove 521 of rear side.In this way, the antivibrating ring 4 be folded in the shielding casing 3 and the nut 5 it Between so that its elastic construction elasticity abuts the shielding casing 3 and/or the nut 5.The screening of the utility model electric connector 100 Covering housing 3 has good shield effectiveness, and antivibrating ring 4 effectively can prevent vibration from coming off, and can fixed blind housing 3 and spiral shell Cap 5.

When the metal sleeve 6 is assembled to outside 3 rear end of shielding casing, the buckle block 315 houses and is positioned at the limit To prevent the metal sleeve 6 from rotating in the hole 611 of position, the rear end of the banking stop 613 is connected to the resistance set on shielding casing 3 On block face 317, to prevent metal sleeve 6 to be moved rearwards.

It refer to shown in Fig. 3, Fig. 5 and Figure 10, the electric connector 100, which also has, to be sheathed on outside the insulating body 1 Sealing ring 7, the sealing ring 7 are located at the front side of the fin 53 and are resisted against the front surface of the fin 53, meanwhile, it is described close Seal 7 is folded between the outer surface of the insulating body 1 and the internal face of nut 5, and by both extrude clamp it is close to play Seal the effect of waterproof.

It refer to shown in Fig. 1 and Fig. 2, the electric connector 100, which also has, to be coated on outside the insulation outside the metal sleeve 6 Shell 8, the 8 rectangular configuration of insulation crust.In the present embodiment, the insulation crust 8 is overmolded in the metal sleeve 6 Outside, and by the part shielding casing 3 for being exposed to the front side of metal sleeve 6 wrap up.

It please join shown in Figure 12 to Figure 13, be the electric connector 100' of another preferred embodiment of the utility model, and this is electrically connected Meeting device 100' can dock with the electric connector 100 of the previous preferred embodiment of the utility model.The electric connector 100''s is basic Form and assembled relation is identical with the electric connector 100, it also includes insulating body, conducting terminal 2', is assembled to insulation This external shielding casing 3', the antivibrating ring 4' being sheathed with outside the shielding casing 3', the spiral shell for being arranged at shielding casing 3' front portions Cap 5', metal sleeve 6', sealing ring 7' and insulation crust 8' outside metal sleeve 6' is taken shape in, the difference is that only electrical connection The metal sleeve 6' and insulation crust 8' of device 100' be linear pattern, nut 5' manual operation unit 51' in front of be additionally provided with one Section threaded joints 54'.

Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although with reference to preferred embodiment pair The utility model is described in detail, it will be understood by those of ordinary skill in the art that, can be to the technology of the utility model Scheme technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solutions of the utility model.

Claims (10)

1. a kind of electric connector, its with insulating body, some conducting terminals being fixed in the insulating body, be assembled in absolutely The shielding casing of edge body and the nut being assembled to outside shielding casing, the insulating body have along the longitudinal direction by its run through with House some terminal channels of corresponding conducting terminal, it is characterised in that：The electric connector, which also has, is assembled in the masking shell External antivibrating ring, the antivibrating ring includes matrix and some elastic constructions being arranged on matrix, the antivibrating ring are folded in So that its elasticity abuts the shielding casing and the nut between the shielding casing and the nut.

2. electric connector as claimed in claim 1, it is characterised in that：The elastic construction flexibly supports portion, institute including some It is W-shaped along the circumferential direction extension of the antivibrating ring to state support division, it has the first elastic portion outwards to arch upward and curves inwardly Second elastic portion of projection.

3. electric connector as claimed in claim 2, it is characterised in that：Each support division in axial direction on both sides point Not She You a slit, circumferentially direction extends the slit, and radially runs through described matrix.

4. electric connector as claimed in claim 3, it is characterised in that：The elastic construction has further included and has supported shrapnel outside some And it is interior support shrapnel, the support division in axial direction outer support shrapnel and interior supports between shrapnel positioned at described.

5. electric connector as claimed in claim 4, it is characterised in that：Supported in described after shrapnel is arranged at described matrix End, and rear end is free terminal, it bends inwardly so that its free terminal is connected to the bearing surface of the shielding casing, to prevent Only antivibrating ring retreats.

6. electric connector as claimed in claim 4, it is characterised in that：The inner wall of the shielding casing faces out concave shape into having At least two mating grooves, it is described it is outer support shrapnel and outwards protrude into the mating groove of front side, first elastic portion is outside Protrude into the mating groove of rear side.

7. the electric connector as any one of claim 1 to 6, it is characterised in that：The antivibrating ring also has from matrix Front end concave opening backward, the locating piece set on rear side of the shielding casing houses and is positioned in the opening.

8. the electric connector as any one of claim 1 to 6, it is characterised in that：The electric connector also has assembling Metal sleeve on rear side of to shielding casing, the shielding casing has the buckle block of radially outstanding formation, described The front end of casing is recessed to form a limit hole backward, and the buckle block is housed and is positioned in the limit hole.

9. electric connector as claimed in claim 8, it is characterised in that：The metal sleeve include the front tube that mutually fastens and after Pipe, the front tube and the rear pipe pass through the connecting portion set between it and will be connected with each other, and the front tube is close to the rear pipe Position, which is equipped with, projects outwardly buckling parts, and top position is managed after described and is equipped with a fastening hole, the rear pipe is from after connecting portion End downward bending is extremely vertically arranged with the front tube and the buckling parts is snapped into the fastening hole.

10. electric connector as claimed in claim 9, it is characterised in that：The front tube is additionally provided with a pair by the position of front end Banking stop, the banking stop is arranged at the both sides of the front tube in transverse direction, and is set towards the project inward of front tube, described The rear end of banking stop is connected on the blocking surface set on shielding casing.