CN203312531U

CN203312531U - Electric connector

Info

Publication number: CN203312531U
Application number: CN2013203396270U
Authority: CN
Inventors: 詹青融; 游达智
Original assignee: Proconn Technology Co Ltd
Current assignee: Proconn Technology Co Ltd
Priority date: 2013-06-13
Filing date: 2013-06-13
Publication date: 2013-11-27
Anticipated expiration: 2023-06-13

Abstract

The utility model discloses an electric connector with a positioning stuck point structure. The electric connector comprises an insulation body, a plurality of terminals, a fixation block and a sealing body. The fixation block is fastened with the plurality of terminals, and the fixation block is clamped at one side of the insulation body so as to make part of the plurality of terminals extend into the insulation body. The sealing body is formed on the surface of the electric connector after glue injection moulding of a mould and an electric connector semi-finished product. The sealing body wraps the fixation block and part of the insulation body so as to seal gaps among the insulation body, the fixation block and the plurality of terminals. Lateral margin of the insulation body extends to form a pair of snap rings so as to provide positioning stuck points during secondary glue injection. Through the snap ring structure of the electric connector, accurate positioning of the semi-finished product is realized during the glue injection moulding, and excellent sealing and waterproof effects are achieved.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly relates to a kind of electric connector of water proof and dust proof.

Background technology

A kind of connector that can water proof and dust proof, its sealing is primary emphasis, in order to seal all gaps, common method comprises and pastes water resistance gasket or adopt secondary injection gum forming processing procedure, wherein best with secondary injection gum forming effect, the step of secondary injection gum forming is, first the part of connector is combined into to semi-finished product, afterwards semi-finished product are inserted in mould, carry out the injecting glue moulding, make sizing material fill up the gap of inter-module, namely obtain the connector finished product of water proof and dust proof, the method can reach the classification of waterproof that IP65 is even higher, make connector can be applicable to various environment.

When the secondary injection gum forming, the covering property of its feeding is key factor, by the life-span that directly affects the yield of connector and use in the future, therefore, when injecting glue, it should be noted that feeding flows to, and whether semi-finished product be placed in shaping position accurately, wherein the flow direction of feeding just determines when Design of Dies, and the moulding position is namely all may produce error when installing each time.

Therefore, in order to improve the covering property of secondary injecting glue, be necessary to improve the precision-fit between connector semi-finished product and mould.

Summary of the invention

The utility model purpose is exactly for described the deficiencies in the prior art, and a kind of electric connector with locator card point apparatus is provided.

Electric connector of the present utility model comprises: an insulating body is a framework, is provided with an after-frame face, and a plurality of spaced dividing plates are set in framework, and dividing plate and framework form a plurality of terminal grooves, and at least one snap ring is set on framework; A plurality of terminals, be contained in respectively in terminal groove; One fixing piece, a plurality of terminals of fixing, and be arranged at insulating body after-frame face; And a seal, with injecting glue forming covered fixing piece and insulating body.

Wherein, described terminal is provided with a horizontally extending holding parts, on this holding parts, is formed with a plurality of cuts that run through, and these holding parts both sides are the vertical clamp that protrudes respectively, this holding parts one end extends a welding ends, and the relative other end is provided with by the vertically extending a pair of flexure strip in these holding parts both sides.

Wherein, described dividing plate protrudes a trip in the after-frame face place of this insulating body, on described fixing piece, forms fluting that should trip.

Wherein, described framework is provided with a front frame face with respect to this after-frame face, and described dividing plate protrudes a fixture block in this front frame face place.

Wherein, the outer surface of described insulating body is provided with a plurality of ribs of longitudinal extension and horizontal expansion, on the surface of described fixing piece, forms a plurality of grooves.

Wherein, the inner surface of described fixture block and framework connects the fixture block place and forms interior chamfering, and chamfering in another is set on described snap ring.

Wherein, described dividing plate protrudes a trip in the after-frame face place of this insulating body, on described fixing piece, is formed with fluting that should trip.

The utility model electric connector can locate semi-finished product when the injecting glue moulding by Snap ring structure accurately, and to reach excellent sealing effectiveness, snap ring also can be as the locking point of electric connector with the product of assembling.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

The accompanying drawing explanation

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the insulating body stereogram of electric connector shown in Figure 1.

Fig. 3 is the stereogram of the fixing piece of electric connector shown in Figure 1.

Fig. 4 is half-finished combination schematic diagram of electric connector shown in Figure 1.

Fig. 5 is the perspective view of electric connector shown in Figure 1.

Wherein, description of reference numerals is as follows:

Embodiment

For describing technology contents of the present utility model, structural feature, the purpose of reaching and effect in detail, below hereby exemplify embodiment and coordinate accompanying drawing to be explained in detail.

Refer to Fig. 1, a kind of electric connector 1 of the utility model comprises, an insulating body 10, a plurality of terminal 20, a fixing piece 30 and a seal 40.Wherein fixing piece 30 fixes a plurality of terminals 20, and fixing piece 30 is sticked in a side of insulating body 10, a plurality of terminal 20 parts are inserted in insulating body 10, form the semi-finished product of electric connector 1, seal 40 is via after mould and the moulding of electric connector semi-finished product injecting glue, forming, described seal 40 coats the part of fixing pieces 30 and insulating body 10, so as to the gap of 20 of sealed insulation body 10, fixing piece 30 and a plurality of terminals.

See also Fig. 2, insulating body 10 is a upper plate body 100, one lower body 101, left plate body 102 and right panel body 103 framework formed that coats, framework roughly is the rectangle of a horizontal expansion, and form two relative front frame faces 104 and after-frame faces 105, a plurality of longitudinal extensions and spaced dividing plate 11 are set in framework, dividing plate 11 is vertically connected between upper plate body 100 and lower body 101, and extend to after-frame face 105 and then insulating body 10 inner area are divided into to a plurality of terminal groove 12 by front frame face 104, dividing plate 11 protrudes one in front frame face 104 places and roughly is trapezoidal fixture block 110, fixture block 110 is wider than dividing plate 11, the opening at terminal groove 12 former frame face 104 places is dwindled, in order to coordinate the terminal width (not shown) of butt connector, upper plate body 100 forms interior chamfering 13 with lower body 101 in being connected fixture block 110 places, so as to docking terminal, import terminal groove 12, the boss 14 and the architrave place of front frame face 104 stretches out, at least one snap ring 141 is set on boss 14, snap ring 141 has an opening, its opening is preferably circle, also can select triangle, the geometries such as rectangle are as the opening pattern, chamfering 142 in another is set on this opening, described at least one snap ring 14 also can be arranged on framework, snap ring 14 is the location stuck points while inserting in mould as semi-finished product, and dividing plate 11 protrudes a trip 111 in after-frame face 105 places backward, insulating body 10 upper, under, left,

right panel body

100, 101, 102, the rib 15 that has longitudinal extension and horizontal expansion on 103, what make that seal 40 can be firm when gum forming is incorporated into insulating body 10.

Refer to Fig. 1, a plurality of terminals 20 are to be stamped to form by iron plate, has a horizontally extending holding parts 21, on holding parts 21, have a plurality of cuts that run through 22, and a pair of clamp 23 protruded downward vertically in holding parts 21 both sides, holding parts 21 1 ends extend a welding ends 24, and the relative other end is provided with contact jaw 25, in the present embodiment, contact jaw 25 is a pair of flexure strip 250, flexure strip 250 extends forward again after extend downward vertically holding parts 21 both sides, symmetrical and the doubling that curves inwardly of two flexure strip 250 front ends two, so as to providing the docking terminal to have larger resilient clamp ability.

Refer to Fig. 1 and Fig. 3, fixing piece 30 is rectangular plate body roughly, has one first plane 31, the fluting 310 of corresponding trip 111 is set on the first plane 31, and the flat perforation 311 of corresponding end pilot trench 12, and a plurality of grooves 312, groove 312 can extend between fluting 310 or on lateral margin with various shapes, so as to the contact area that seal 40 is larger is provided, fixing piece 30 is in order to a plurality of terminals 20 of fixing, and be arranged on insulating body 10 after-frame faces 105, the part of a plurality of terminals 20 is contained in respectively in terminal groove 12, fixing piece 30 can be that embedded moulding forms with the combination of a plurality of terminals 20, also a plurality of terminals 20 can be inserted in the perforation 311 of fixing piece 30 of moulding in advance.

Refer to Fig. 4, during electric connector 1 combination, at first a plurality of terminals 20 are inserted in mould and are done embedded moulding, produce the fixing piece 30 of a plurality of terminals 20 of fixing, wherein, a plurality of terminals 20 vertical with the first plane 31 and be fixed in the perforation 311 on, fixing piece 30 is formed between contact jaw 25 and welding ends 24, cut 22 and the clamp 23 of holding parts 21 are coated on fixing piece 30 inside, so as to promoting the firm power of terminal 20 and fixing piece 30, wherein welding ends 24 is to protrude from the first plane 31, then, fixing piece 30 is sticked on the after-frame face 105 of insulating body 10, its first plane 31 is exposed, wherein trip 111 and fluting 310 combinations, the contact jaw 25 of a plurality of terminals 20 stretches in a plurality of terminal grooves 12, see through the semi-finished product that described mode forms electric connector 1.

Refer to Fig. 5, then, after semi-finished product are inserted the interior injecting glue moulding of mould, form the seal 40 that coats fixing piece 30 and insulating body 10, during moulding, be arranged on (not shown) on pilot pin reserved in mould by snap ring 141, can access accurate cooperation while making matched moulds, seal 40 after moulding is held on insulating body 10 by rib 15 and groove 312, namely forms electric connector 1 finished product.

The utility model electric connector 1 by snap ring 141 make semi-finished product when the injecting glue moulding can with the mould precision-fit, to reach excellent sealing effectiveness, snap ring 141 also can be as the electric connector 1 locking point with institute's completed knocked down products, or the butt connector snap close is provided.

The foregoing is only preferred embodiment of the present utility model, not thereby namely limit to the scope of the claims of the present utility model, therefore such as use the equivalent structure that the utility model specification and accompanying drawing content are done to change, all in like manner all be contained in scope of the present utility model.

Claims

1. electric connector, it is characterized in that: comprising: an insulating body is a framework, is provided with an after-frame face, and a plurality of spaced dividing plates are set in this framework, described dividing plate and framework form a plurality of terminal grooves, and at least one snap ring is set on this framework; A plurality of terminals, be contained in respectively in described terminal groove; One fixing piece, the described a plurality of terminals of fixing, and be arranged at the after-frame face of this insulating body; And a seal, with injecting glue forming covered this fixing piece and insulating body.

2. electric connector according to claim 1, it is characterized in that: described terminal is provided with a horizontally extending holding parts, on this holding parts, be formed with a plurality of cuts that run through, these holding parts both sides are the vertical clamp that protrudes respectively, this holding parts one end extends a welding ends, and the relative other end is provided with by the vertically extending a pair of flexure strip in these holding parts both sides.

3. electric connector according to claim 2 is characterized in that: described dividing plate protrudes a trip in the after-frame face place of this insulating body, on described fixing piece, forms fluting that should trip.

4. electric connector according to claim 3, it is characterized in that: described framework is provided with a front frame face with respect to this after-frame face, and described dividing plate protrudes a fixture block in this front frame face place.

5. electric connector according to claim 4, it is characterized in that: the outer surface of described insulating body is provided with a plurality of ribs of longitudinal extension and horizontal expansion, on the surface of described fixing piece, forms a plurality of grooves.

6. electric connector according to claim 5 is characterized in that: the inner surface of described fixture block and framework connects the fixture block place and forms interior chamfering, and chamfering in another is set on described snap ring.

7. electric connector according to claim 1, it is characterized in that: described framework is provided with a front frame face with respect to this after-frame face, and described dividing plate protrudes a fixture block in this front frame face place.

8. electric connector according to claim 7 is characterized in that: the inner surface of described fixture block and framework connects the fixture block place and forms interior chamfering, and chamfering in another is set on described snap ring.

9. electric connector according to claim 1 is characterized in that: described dividing plate protrudes a trip in the after-frame face place of this insulating body, on described fixing piece, is formed with fluting that should trip.

10. electric connector according to claim 1, it is characterized in that: the outer surface of described insulating body is provided with a plurality of ribs of longitudinal extension and horizontal expansion, on the surface of described fixing piece, forms a plurality of grooves.