CN202997163U

CN202997163U - Electric connector

Info

Publication number: CN202997163U
Application number: CN 201220603060
Authority: CN
Inventors: 王永福
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2012-11-15
Filing date: 2012-11-15
Publication date: 2013-06-12
Anticipated expiration: 2022-11-15

Abstract

The present utility model discloses an electric connector. The electric connector comprises a body, a slot is recessed backward on the front end face of the body, a first terminal accommodating groove group and a second terminal accommodating groove group are arranged forward on the rear end face of the body, the rear end face is provided with a first positioning part which is arranged between the first accommodating groove group and the second accommodating groove group; a plurality of terminals respectively arranged in the first accommodating groove group and the second accommodating groove group; a metal shell body, a shielding body which is provided with a rear plate, a part of the rear plate, which is corresponding to the first positioning part, is provided with a second positioning part, and a welding pin is arranged below a part of the second positioning part, which is free of terminals. By adopting the above structure, welding parts of the terminals can be successfully prevented from influencing the welding pins, the metal shell body and a circuit board can be well welded and fixed, and the body, the metal shell body and the circuit board can be well fixed.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, espespecially a kind of electric connector with metal shell.

A kind of bayonet connector that uses in the market, in order to dock electronic cards to a circuit board, it comprises a body, described body is the lengthwise shape, and the front end face of described body is provided with a slot, plants for described electronic cards, described body is provided with a plurality of accepting grooves, described accepting groove is offered from back to front, and a plurality of terminals are installed in respectively in described body, one housing, cover described body, the left and right side of described housing is respectively to downward-extension one leg, in order to be soldered to a circuit board.

High speed development along with electric connector, transmission requirement to data is also more and more higher, the number of the golden finger on electronic cards will increase, corresponding slot also will increase in the length of longitudinally, the length of corresponding described housing also will increase, and during use, need described housing is fixed in described body, again leg is soldered to described circuit board, to realize fixing between described housing and described body, described circuit board.

At described bayonet connector in use, because described housing and described body, described circuit board lack fixing at described rear end face place, and described body is longer at its longitudinally, mid portion lacks fixed structure, described housing easily separates with described body, cause described housing to be upturned, the use of the described bayonet connector of impact.

For the problems referred to above, a kind of novel electric connector of necessary invention is to address the above problem.

Summary of the invention

The purpose of this utility model is to provide a kind of electric connector with fixed structure.

In order to achieve the above object, the following technical scheme of electric connector employing of the present utility model:

A kind of electric connector is characterized in that, comprising:

One body, the front end face of described body is arranged with a slot backward, the rear end face of described body is offered forward a first terminal accepting groove group and one second terminal containing slot group, and described rear end face is provided with one first location division, and row is located between described the first accepting groove group and described the second accepting groove group;

A plurality of terminals are installed in respectively described the first terminal accepting groove group and described the second terminal containing slot group;

One metal shell covers described body, and it has a rear plate, and described rear plate corresponding described the first place, location division is provided with one second location division, and the lower side No of described the second location division has the position of described terminal to be provided with a welding foot.

Further, described the first location division is a projection, described the second location division is a groove, described the second location division is a shell fragment, a plurality of terminals are located at respectively described the first accepting groove group and described the second accepting groove group, and each described terminal has a weld part and stretches out described rear end face, and a fool proof section is extended forward in described the first location division, and described fool proof section enters described slot, described welding foot be positioned at described the second location division under.

A kind of electric connector in order to dock electronic cards to a circuit board, is characterized in that, comprising:

One body, described body has a rear end face, and described rear end face is located in one first location division;

A plurality of terminals are located at described body, and a plurality of described terminal board is located at described the first both sides, location division;

One metal shell coats described body, and it has a rear plate, and described rear plate corresponding described the first place, location division is provided with one second location division, and the below of described the second location division is provided with a welding foot, in order to be soldered to described circuit board.

Further, described welding foot be positioned at described the second location division under, described the first location division is a projection, described the second location division is a groove, described the first location division is a draw-in groove, described the second location division is a shell fragment, the front end face of described body has a slot, plant for described electronic cards, each described terminal has a contact site and is revealed in described slot, described contact site bends backward and extends a weld part and protrude described rear end face, is provided with a fool proof section in described slot, and described the first location division is from the formation that extends back of described fool proof section.

the first accepting groove group described in the utility model, described the first location division, described the second accepting groove group row is located at described rear end face, and described the first position point is between the first accepting groove group and described the second accepting groove group, described terminal is installed in respectively described the first accepting groove group and described the second accepting groove group, corresponding described the first place, location division of described metal shell is provided with one second location division, and the below of described the second location division is provided with a welding foot, can successfully avoid described terminal to the impact of described welding foot, realize the good welds between metal shell and described circuit board and fix, realize described body, metal shell, and good the fixing between described circuit board.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector and circuit board;

Fig. 2 is another visual angle three-dimensional exploded view of the utility model electric connector and circuit board;

Fig. 3 is the three-dimensional combination figure of the utility model electric connector and circuit board;

Fig. 4 is the rearview of the utility model electric connector and circuit board;

Fig. 5 is the combination rearview of the utility model electric connector and circuit board.

The drawing reference numeral of embodiment:

Electric connector 100	Body 1	Front end face 11
			Slot 111	Fool proof section 112	Side 14
Rear end face 12	Accepting groove 13	Fixed part 141
			The first accepting groove group 131	The second accepting groove group 132	The first location division (projection) 121
Terminal 2	Contact site 21	Weld part 22
			Metal shell 3	Mainboard 31	Rear plate 32
Welding foot 322	The second location division (groove) 321	Side plate 33
			Pin 331	Card division 332	?
Circuit board 5	Weld pad 51	Hole 52

[embodiment]

, to Fig. 5 this creation is described further below in conjunction with accompanying drawing 1.

Please refer to Fig. 1 and Fig. 2, the utility model is a kind of electric connector 100, and in order to dock an electronic cards (not shown) to a circuit board 5, described electric connector 100 comprises a body 1, a plurality of terminals 2 and a metal shell 3.

please refer to Fig. 1, Fig. 2 and Fig. 3, described body 1 roughly is rectangle, the rear end face 12 that it has a front end face 11 and is oppositely arranged with described front end face 11, be arranged with backward a slot 111 from described front end face 11, insert for described electronic cards, be provided with a fool proof section 112 in described slot 111, the mistake that prevents described electronic cards is inserted, described rear end face 12 is provided with one first location division 121, described in the present embodiment, the first location division 121 describes as an example of projection 121 example, described projection 121 is oppositely arranged with described fool proof section 112, and see it from fore-and-aft direction, described projection 121 is roughly coplanar with described fool proof section 112, certainly, described projection 121 also can arrange separately, and described projection 121 shifts to install at fore-and-aft direction with described fool proof section 112, a plurality of accepting grooves 13, offer forward from described rear end face 12 respectively, and a plurality of described accepting grooves 13 are distributed in the both sides of described projection 121, be provided with a described projection 121 between at least two adjacent described accepting grooves 13.in other words, one first accepting groove group 131, one second accepting groove group 132, all offer forward from described rear end face 12, and described projection 121 is between described the first accepting groove group 131 and described the second accepting groove group 132, be that their threes distribute along being a row on the longitudinally of described body 1 at described rear end face 12, with respect in the past offer forward the situation of a plurality of accepting grooves 13 from described rear end face 12, the design also can be described as in the position of the several described accepting groove 13 of described rear end face 12 described accepting groove 13 no longer is set, but be provided with a described projection 121 in the position of these described accepting grooves 13, can effectively vacate the position of described projection 121, more than one of the quantity of certain described projection 121, it can be two, three, a plurality of etc., all be located at described rear end face 12, and along the left and right directions setting, the two sides 14 of described body 1 separately are provided with a fixed part 141.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a plurality of described terminals 2, be installed in respectively described accepting groove 13, each described terminal 2 has a weld part that extends back 22, described weld part 22 bends forward and extends a contact site 21, in order to contact described electronic cards, terminal described in the present embodiment 2 is (SMT) of surface soldered type, and certain described terminal 2 also can be pin type (DIP).

please refer to Fig. 1, Fig. 2 and Fig. 3, described metal shell 3 has a mainboard 31, described mainboard 31 is tabular, the described mainboard 31 rear plate 32 that extends back, the corresponding described rear end face 12 of described rear plate 32, described rear plate 32 is in order to cover described terminal 2, described rear plate 32 has one second location division 321, described in the present embodiment, the second location division 321 is take described groove 321 as the example explanation, the corresponding described projection 121 of described groove 321, and described groove 321 is positioned at the top of described rear plate 32 lower limbs, the below of described groove 321 is provided with a welding foot 322, described welding foot 322 extends to form downwards from the lower limb of described rear plate 32, in order to be soldered to described circuit board 5, in other embodiments, described the first location division 121 is a draw-in groove (not shown), described the second location division 321 is a shell fragment (not shown), described draw-in groove and described shell fragment cooperatively interact fixing.

Please refer to Fig. 2, Fig. 3 and Fig. 4, see from back to front it, described welding foot 322 be positioned at described groove 321 under, described mainboard 31 is the side plate 33 of both sides extension to the left and right respectively, described side plate 33 is provided with a card division 332, the corresponding described fixed part 141 in described card division 332, certain described side plate 33 also can be extended to form to both sides by described rear plate 32, mode by spot welding welds together described mainboard 31 with described side plate 33 again, the below of described side plate 33 separately is provided with a pin 331, in order to weld with described circuit board 5.

Please refer to Fig. 1, Fig. 2 and Fig. 3, described circuit board 5 is tabular, it has a weld pad 51 and a hole 52, and described weld pad 51 rows are located at the both sides of described hole 52, the corresponding described weld part 22 of described weld pad 51 arranges, the corresponding described welding foot 322 of described hole 52 arranges, and the both sides of described circuit board 5 separately are provided with described hole 52, with the described pin 331 of correspondence.

Please refer to Fig. 1, Fig. 2 and Fig. 5, during assembling, first described terminal 2 is installed in described accepting groove 13, make described weld part 22 protrude out described rear end face 12, described contact site 21 is revealed in described slot 111, sees from back to front it, and a side of described projection 121 is equiped with a plurality of described terminals 2, the opposite side of described projection 121 also is equiped with a plurality of described terminals 2, and certain described terminal 2 also can be one-body molded with described body 1.

please refer to Fig. 3, Fig. 4 and Fig. 5 install described metal shell 3 and coordinate with described bodies 1 from top to bottom again, when described metal shell 3 moves downward, at first described welding foot 322 contacts with described projection 121, because described projection 121 protrudes described rear end face 12, described projection 121 will be supported described welding foot 322, described welding foot 322 is expanded outwardly, when continuing to move downward, described projection 121 enters described groove 321, described projection 121 and described groove 321 are fastened, described card division 332 also fastens mutually with described fixed part 141, and then make between described metal shell 3 and described body 1 can stably fastening, the described metal shell 3 also described terminal 2 of maskable is subjected to the interference of outer signals, again described electric connector 100 is placed on described circuit board 5 at last, make the corresponding described weld pad 51 of described weld part 22, described welding foot 322 inserts in the described hole 52 of described circuit board 5, described pin 331 inserts in the described hole 52 of described circuit board 5 both sides, because described terminal 2 lays respectively at described projection 121 both sides, and there is certain spacing in described projection 121 in the horizontal direction with described terminal 2, can effectively prevent described welding foot 322 and described weld part 22 with described circuit board 5 welding the time because creeping of tin cream is electrically connected.

In sum, this creation has following beneficial effect:

1. described rear end face 12 and the left and right described two sides 14 of the described metal shell 3 of the utility model electric connector 100 and described body 1 all can be fastened, make and reach stable fastening between described metal shell 3 and described body 1, particularly along on described body 1 longitudinally, effectively prevent upwards warpage of described metal shell 3.

2. the described rear end face 12 of the utility model electric connector 100 is arranged successively and is provided with described the first accepting groove group 131, described projection 121, described the second accepting groove group 132, the described terminal 2 of installing in described accepting groove 13, described projection 121 the position of successfully having avoided described terminal 2 is set, particularly described projection 121, described welding foot 322, described groove 321 coplanar setting on fore-and-aft direction, also avoid the restriction of the position of 2 pairs of described projections 121 of described terminal, rationally utilized the usage space on described circuit board 5.

3. the described metal shell 3 of the utility model electric connector 100 covers described terminal 2, can prevent effectively that described terminal 2 is subjected to the interference of outer signals, described welding foot 322 be located at described groove 321 under, described terminal 2 is distributed in respectively the both sides of described projection 121, make the described weld pad 51 on described circuit board 5 obtain rational distribution with described hole 52, can effectively prevent described welding foot 322, described weld part 22 with described circuit board 5 welding the time because creeping of tin cream is electrically connected.

Above detailed description only is the explanation of the preferred embodiment of this creation, and is non-so limit to the scope of the claims of this creation, so all this creation of utilization specifications and diagramatic content institute equivalence techniques for it change, and all are contained in the scope of the claims of this creation.

Claims

1. an electric connector, is characterized in that, comprising:

2. electric connector as claimed in claim 1, it is characterized in that: described the first location division is a projection, described the second location division is a groove.

3. electric connector as claimed in claim 1, it is characterized in that: described the first location division is a draw-in groove, described the second location division is a shell fragment.

4. electric connector as claimed in claim 1, it is characterized in that: a plurality of terminals are located at respectively in described the first accepting groove group and described the second accepting groove group, and each described terminal has a weld part and stretches out described rear end face.

5. electric connector as claimed in claim 1 is characterized in that: a fool proof section is extended forward in described the first location division, and described fool proof section enters described slot.

6. electric connector as claimed in claim 1 is characterized in that: described welding foot be positioned at described the second location division under.

7. an electric connector, in order to dock electronic cards to a circuit board, is characterized in that, comprising:

8. electric connector as claimed in claim 7 is characterized in that: described welding foot be positioned at described the second location division under.

9. electric connector as claimed in claim 7, it is characterized in that: described the first location division is a projection, described the second location division is a groove.

10. electric connector as claimed in claim 7, it is characterized in that: described the first location division is a draw-in groove, described the second location division is a shell fragment.

11. electric connector as claimed in claim 7, it is characterized in that: the front end face of described body has a slot, plant for described electronic cards, each described terminal has a contact site and is revealed in described slot, and described contact site bends backward and extends a described rear end face of weld part protrusion.

12. electric connector as claimed in claim 11 is characterized in that: be provided with a fool proof section in described slot, described the first location division is from the formation that extends back of described fool proof section.