Electric connector and its assemble method
Technical field
A kind of a kind of the present invention relates to electric connector and its assemble method, more particularly to electrical connection being installed on circuit board
Device and its assemble method.
Background technology
With the fast development of electronic technology, electric connector is widely used in electronic product, to hand over external equipment
Change information, data etc..Electric connector generally comprises insulating body and some terminals being contained in the insulating body.In order to full
The high requirement of sufficient electronic product steady signal transmission, efficiency of transmission, now needs structural stability and the docking for ensureing electric connector
Stability is stronger.
However, existing electric connector not only assembles complexity, takes time and effort, while dustproof and waterproof effect is poor, so that
More dust or water is not easy to clean after falling in electric connector, and then causes damaged electrical connector rate to rise;In addition, existing be electrically connected
The terminal part for connecing device is exposed in air, and the danger peace problem for touching conduction so as to have foreign matter occurs.
In view of this, it is necessary to which existing electric connector is improved, to solve the above problems.
Content of the invention
It is an object of the invention to provide a kind of electric connector, the electric connector is not only easy to assembly, dustproof and waterproof effect
Preferably, while security is higher.
For achieving the above object, the invention provides a kind of electric connector, including:
Insulating body, the mounting surface for being formed with interface on the insulating body and being oppositely arranged with the interface, if
Dry terminal containing slot is through to the mounting surface from the interface;
Some terminals, are correspondingly contained in some terminal containing slots;The terminal includes that being contained in the terminal receives
The connecting portion of contact site, weld part and the connection contact site and the weld part in tank, the contact site is at least
One side is convexly equipped with for the terminal clamping is limited in the hangnail in the terminal containing slot, and
Electric connector also includes that the first plastic parts with some terminal ejection formations, first plastic parts are projected into
On connecting portion, the terminal and first plastic parts are assembled in the insulating body and by hangnail from mounting surface side to type
After being positioned on insulating body, between the front end face and the insulating body of first plastic parts, gap is formed with;Wherein, institute
Stating electric connector is also included with the insulating body, some terminals and the first plastic parts ejection formation filling up the of the gap
Two plastic parts.
As a further improvement on the present invention, some terminals are divided at least two groups, and every group of terminal is along the insulation
The substantially L-shaped arrangement of the thickness direction of body.
As a further improvement on the present invention, the terminal includes the contact site being contained in the terminal containing slot, hangs down
The straight weld part arranged in the contact site and the connecting portion of the connection contact site and the weld part, first plastic cement
Part ejection formation is on the connecting portion and the weld part.
As a further improvement on the present invention, an at least side of the contact site is convexly equipped with hangnail, the terminal accommodating
The projection in order to the spacing hangnail of clamping is convexly equipped with an at least madial wall of groove.
As a further improvement on the present invention, dash forward from the mounting surface of the insulating body along the insertion opposite direction of the terminal
Stretching has some projections, and each projection is respectively positioned between the two neighboring terminal containing slot, and the projection be arranged at described convex
On block.
As a further improvement on the present invention, have for housing docking connection from the interface towards mounting surface depression
The host cavity of device, the host cavity are connected with the terminal containing slot, for the terminal protrude into the host cavity and with
Butt connector is docked.
As a further improvement on the present invention, an at least madial wall of the host cavity is arranged with case the electric connector
The fool proof groove mispluged with butt connector, the fool proof groove are square or semicircle.
As a further improvement on the present invention, on the interface, depression has some grooves, and some grooves are from described
Interface is through to the mounting surface and is located at the side of the host cavity.
The present invention also aims to a kind of assemble method of electric connector is provided, the assemble method letter of the electric connector
Single, easy to operate and security is higher.
For achieving the above object, the invention provides a kind of assemble method of electric connector, which comprises the following steps:
An insulating body is provided, the installation for interface being formed with the insulating body and being oppositely arranged with the interface
Face, is provided with some terminal containing slots for being through to the mounting surface from the interface in the insulating body;
Some terminals are provided, some terminals are correspondingly contained in some terminal containing slots;The terminal includes receiving
The connecting portion of the contact site, weld part and the connection contact site and the weld part that are dissolved in the terminal containing slot, institute
At least side for stating contact site is convexly equipped with for the terminal clamping is limited in the hangnail in the terminal containing slot;
One first plastic parts is provided, first plastic parts is first and some terminal ejection formations, first plastic parts
Ejection formation is assembled in the insulating body from mounting surface side on connecting portion, then by the terminal and first plastic parts
And be positioned on insulating body by hangnail;
One second plastic parts is provided, after first plastic parts is completed with insulating body, second plastic parts is again
With the insulating body, some terminals and the first plastic parts ejection formation filling up the insulating body with first plastic parts
Gap between front end face.
As a further improvement on the present invention, some terminals are divided at least two groups, and every group of terminal is along the insulation
The substantially L-shaped arrangement of the thickness direction of body, and every group of terminal the first plastic parts ejection formation described with respectively.
The invention has the beneficial effects as follows:The electric connector of the present invention is provided by with terminal ejection formation and is assembled in absolutely
The first plastic parts on edge body and the second plastic parts with insulating body, terminal and the first plastic parts ejection formation, so as to
Second plastic parts can fill up the gap being formed between first plastic parts and the insulating body, so not only assemble
Preferably, while also not having the danger peace problem generation that foreign matter touches conduction, security is higher for convenient, dustproof and waterproof effect.
Description of the drawings
Fig. 1 is the stereogram of electric connector of the present invention.
Fig. 2 is another view stereo figure of electric connector shown in Fig. 1.
Fig. 3 is the exploded view of electric connector shown in Fig. 2.
Fig. 4 is the stereogram of insulating body shown in Fig. 3.
Fig. 5 is another view stereo figure of insulating body shown in Fig. 4.
Fig. 6 is the first plastic parts shown in Fig. 3 and the stereogram after terminal ejection formation.
Fig. 7 is the stereogram of terminal shown in Fig. 6.
Fig. 8 be the first plastic parts shown in Fig. 6 with terminal ejection formation after and be assembled in the stereogram on insulating body.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Refer to shown in Fig. 1 to Fig. 3, the electric connector 100 of the present invention is in order to being welded to circuit board(Not shown)On, and with
Corresponding butt connector(Not shown)Cooperation is connect relatively.The electric connector 100 include insulating body 10, be contained in described absolutely
Some terminals 20 and 20 ejection formation of some terminals in edge body 10 and be assembled on the insulating body 10 first
Plastic parts 30 and with the insulating body 10, the second plastic parts 40 of 30 ejection formation of some terminals 20 and the first plastic parts.
Refer to shown in Fig. 4 and Fig. 5, on the insulating body 10, be formed with interface 11 and relative with the interface 11
The mounting surface 12 of setting.Some terminal containing slots 13 are through to the mounting surface 12 from the interface 11, described for housing
Some terminals 20.The insulating body 10 includes the diapire 102 that roof 101 and the roof 101 be oppositely arranged and connection institute
Left side wall 103, right side wall 104 and the assembly wall 105 of roof 101 and diapire 102 is stated, the mounting surface 12 is located at the assembly wall
On 105, and arrange through the assembly wall 105 before and after some terminal containing slots 13.
Raised 14 are convexly equipped with an at least madial wall of the terminal containing slot 13.From the assembly wall 105 along the end
The outside projection of insertion opposite direction of son 20 has some projections 15, and each projection 15 is respectively positioned on the two neighboring terminal containing slot 13
Between, adjacent two butts 20 is spaced apart, and described raised 14 are arranged on the projection 15.From the assembly wall 105
There are locating piece 19, the locating piece 19 to arrange near the diapire 102 along the also outside projection of the insertion opposite direction of the terminal 20,
And the middle position depression of the locating piece 19 has a U-shaped groove 191.
The host cavity 16 for housing butt connector, institute is formed with from the interface 11 towards the depression of the mounting surface 12
State host cavity 16 to be connected with the terminal containing slot 13, for the terminal 20 protrude into the host cavity 16 and with succession
Connect device docking.The host cavity 16 is common by the roof 101, diapire 102, left side wall 103, right side wall 104 and assembly wall 105
Enclose and set to be formed, and the host cavity 16 is opened on the interface 11.In present embodiment, the roof 101 and diapire 102 it
Between be additionally provided with three spaced walls 106 so that the host cavity 16 is divided into four.
An at least madial wall of each host cavity 16(Including roof 101, diapire 102, left side wall 103, right side wall
104 and spaced walls 106)It is concavely provided with case the fool proof groove 17 that misplugs with butt connector of the electric connector 100, described
Fool proof groove 17 is square or semicircle.In present embodiment, the left side wall 103, right side wall 104, spaced walls 106 and diapire
102 have been respectively formed on the fool proof groove 17, and the fool proof groove 17 is square setting.
The insulating body 10 also includes the protuberance 18 from the projection upwards of the roof 101, the also shape of the interface 11
On protuberance 18 described in Cheng Yu.Offer some grooves 181 on the protuberance 18, and some grooves 181 are from described right
Junction 11 is through to the mounting surface 12 and is located at the side of the host cavity 16.The close described roof 101 of the groove 181
Stage portion 182 is formed with the madial wall of side, is mutually clasped in order to the electric connector 100 and butt connector, from
And can ensure that the electric connector 100 is stably docked with butt connector.Certainly, the groove 181 is also designed to only be open
In the interface 11, or 181 structure of the groove is not designed also dependent on being actually needed.
Refer to Fig. 6 to Fig. 8 and combine shown in Fig. 1 and Fig. 2, some terminals 20 are correspondingly contained in some terminals
In accepting groove 13.20 points of some terminals are eight groups, contain two groups of terminals 20 in each described host cavity 16.Per group of end
Son 20 is along the substantially L-shaped arrangement of thickness direction of the insulating body 10, and every group of terminal 20 respectively described with first
30 ejection formation of plastic parts.The terminal 20 includes the contact site 21 being contained in the terminal containing slot 13, perpendicular to described
Weld part 23 and the connecting portion 22 of the connection contact site 21 and the weld part 23 that contact site 21 is arranged.Present embodiment
In, every group of terminal 20 includes four butts, and the contact site 21 of four butt 20 is along the short transverse of the insulating body 10
Order is arranged, and the weld part 23 of four butt 20 is arranged along the grafting direction order of the electric connector 100.
An at least side convex of the contact site 21 is provided with hangnail 211, so as to be contained in institute in the contact site 21
When stating in terminal containing slot 13, can be spacing with raised 14 clamping by the hangnail 211, the terminal 20 is stable in
In the terminal containing slot 13.The projection 15 be located at upper and lower two butts 20 between, on the one hand in order to 211 phase of the hangnail
Clamping coordinates, and stability is preferable;On the other hand in order to upper and lower two butts 20 to be spaced apart, it is ensured that between upper and lower two butts 20
Noiseless.The contact site 21 is gone back portion projects and enters the host cavity 16, in order to dock with butt connector.
The shape of each terminal 20 is substantially L-shaped, and near 10 diapire of the insulating body in every group of terminal 20
The physical dimension of the connecting portion 22 of 102 terminals 20 that places is less, so that corresponding turning between contact site 21 and weld part 23
Angle is substantially in 90 degree, and the structure of the connecting portion 22 of the other three terminal 20 that places away from 10 diapire of the insulating body 102
Size gradually increases, so that corresponding corner between contact site 21 and weld part 23 assumes oblique angle or R angles, such design can
Transmission path, and then reduce loss is reduced in electric current or signal transmission.The locating piece 19 is located near the insulating body
Below the contact site 21 of the terminal 20 that 10 diapire 102 is placed, and the U-shaped groove 191 is located between two groups of terminals 20.
First plastic parts, 30 ejection formation on the contact site 21, the connecting portion 22 and the weld part 23,
And by 22 whole claddings of the connecting portion.First plastic parts 30 with 20 ejection formation of the terminal and is assembled in the insulation
After body 10, between first plastic parts 30 and the insulating body 10, gap 50 is formed with.Second plastic parts 40 is penetrated
Go out to take shape between the insulating body 10 and first plastic parts 30 to fill up the gap 50, in present embodiment, institute
State the second plastic parts 40 also to fill up the U-shaped groove 191.
Assembly clearance not only can be completely filled out by second plastic parts 40, strengthen dustproof and waterproof effect, while also
The fixing power between the insulating body 10 and the terminal 20 can be increased, it is ensured that the docking of electric connector of the present invention 100 is steady
Qualitative, in addition, first plastic parts 30 and the second plastic parts 40 cause part contact portion 21 and the part weld part of terminal 20
Remainder outside 23 is all wrapped by, and enters the danger peace problem without there is foreign matter to touch conduction, and security is higher.
The assemble method of electric connector of the present invention 100 is mainly included the following steps that:
One insulating body 10 is provided, in the insulating body 10, is provided with some terminal containing slots 13;
Some terminals 20 are provided, some terminals 20 are correspondingly contained in some terminal containing slots 13;
One first plastic parts 30 is provided, first plastic parts 30 first and 20 ejection formation of some terminals, then with described
Insulating body 10 is assembled;
One second plastic parts 40 is provided, after first plastic parts 30 and insulating body 10 are completed, second modeling
Glue part 40 is again with the insulating body 10, some terminals 20 and 30 ejection formation of the first plastic parts filling up the insulating body 10
With the gap 50 between first plastic parts 30.
In sum, electric connector 100 of the invention is provided by first plastic parts 30 and second plastic cement
Part 40, so as to assembly clearance 50 not only can be completely filled out by second plastic parts 40, strengthens dustproof and waterproof effect, while
The fixing power between the insulating body 10 and the terminal 20 can also be increased, it is ensured that the docking of electric connector of the present invention 100
Stability, in addition, first plastic parts 30 and the second plastic parts 40 cause the part contact portion 21 and part of terminal 20 to weld
Remainder outside portion 23 is all wrapped by, and enters the danger peace problem without there is foreign matter to touch conduction, and security is higher.This
The assemble method of invention electric connector 100 is simple, easy to operate and security is higher.
Above example is only unrestricted in order to technical scheme to be described, although with reference to preferred embodiment to this
Bright be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent, without deviating from the spirit and scope of technical solution of the present invention.