CN203135072U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN203135072U CN203135072U CN 201320099801 CN201320099801U CN203135072U CN 203135072 U CN203135072 U CN 203135072U CN 201320099801 CN201320099801 CN 201320099801 CN 201320099801 U CN201320099801 U CN 201320099801U CN 203135072 U CN203135072 U CN 203135072U
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- Prior art keywords
- insulating base
- electric connector
- terminal
- metal coating
- welding foot
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Abstract
The utility model discloses an electric connector. The electric connector comprises: an insulating seat and a terminal arranged in the insulating seat. The insulating seat comprises: a bottom plate, first, second side walls arranged on the two sides of the bottom plate and a back wall arranged on the back end of the bottom plate, wherein the contact part of the terminal is exposed from a guide groove of the insulating seat, a mounting position is arranged on the front end of the insulating seat, a metal protection shell is fixed in the mounting position, and the metal protection shell, the first side wall and the second side wall enclose to form a jack of the guide groove. The metal protection shell is used as the most strained part in the insulating seat, and even though being used for a long time, the metal protection shell is not damaged or broken due to being strained, thus the service life of the electric connector is greatly prolonged. In addition, when the electric connector is assembled with a circuit board, the metal protection shell is simultaneously welded and fixed with the circuit board, thus the electric connector is stably assembled with the circuit board without additional fixation devices.
Description
Technical field:
The utility model relates to the connector product scope, and it is firm to refer in particular to a kind of assembling, and has that anti-destructiveness is strong, the electric connector of long service life advantage.
Background technology:
Electric connector is a connection bridge, and it is electrically connected and the signal transmission between device and device, assembly and assembly, system and system, is to constitute the necessary base components of holonomic system.
The structure of the electric connector that occurs on the market as shown in Figure 1 at present, this electric connector comprises: an insulating base 4 and be installed on terminal 5 in the insulating base 4, offer a guide groove 41 that is used for inserting backward along insulating base 4 front end faces, these insulating base 4 front end faces form a socket 411, and the contact site 51 of described terminal 5 is revealed in the guide groove 41 of this insulating base 4.
During assembling, see shown in Figure 2ly, this electric connector is installed on the circuit board 6, and described insulating base 4 is placed on the circuit board 6, form one between guide groove 41 and the circuit board and insert embedding space 40 so that with the mating end of electric connector to inserting.
Because insulating base 4 is the plastics integrated injection molding, will consider the degree of depth of thickness and the guide groove 41 of electric connector integral body in addition, so, the thinner thickness of the part between guide groove 41 bottoms and insulating base 4 bottom surfaces.And in to the process of inserting, guide groove 41 bottoms are stress surface, be that part between guide groove 41 bottoms and insulating base 4 bottom surfaces is the part of the force, therefore, after long-time the use, fragile, the easy fracture of part between guide groove 41 bottoms and insulating base 4 bottom surfaces has a strong impact on useful life of whole electric connector.In addition, during owing to electric connector and circuit board 6 assemblings, be to fix by pin portion and circuit board 6 welding of terminal, also need external fixture to fix in use, assembling and use are all inconvenient.
In view of this, the inventor proposes following technical scheme.
The utility model content:
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of assembling firm, and has that anti-destructiveness is strong, the electric connector of long service life advantage.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: this electric connector comprises: an insulating base and be installed on terminal in the insulating base, this insulating base comprises: base plate, be positioned at first and second sidewall of base plate both sides and the rear wall that is positioned at base plate rear end, this base plate, first and second sidewall and rear wall enclose the guide groove that is formed for inserting; The contact site of described terminal is revealed in the guide groove of this insulating base, and described insulating base front end is provided with an installation position, and a metal coating shell is fixedly arranged in this installation position, and this metal coating shell and first, second sidewall enclose the socket that forms described guide groove.
Furthermore, in the technique scheme, the two ends of described metal coating shell are inserted respectively after bending and are extended first and second sidewall in the insulating base; Maintain an equal level with base plate butted part surface and backplate surface in this metal coating shell.
Furthermore, in the technique scheme, described installation position comprises: first embedded hole and second embedded hole that are arranged in the scarce room of insulating base base plate front end and run through first and second sidewall respectively.
Furthermore, in the technique scheme, described first embedded hole and second embedded hole are all L-shaped.
Furthermore, in the technique scheme, described metal coating shell comprises: the main body of docking with the insulating base base plate and first welding foot and second welding foot that extend upward moulding behind main body two lateral bucklings; Described overall shape is corresponding with the scarce room shape of base plate front end; described first welding foot and second welding foot pass first embedded hole, second embedded hole that is positioned on described first and second sidewall respectively from lower to upper; and extended by first and second sidewall upper face; first welding foot, second welding foot form inlay card and cooperate respectively with between first embedded hole, second embedded hole, make the metal coating shell be stably fixed at the installation position of insulating base.
Furthermore, in the technique scheme, the thickness of the main body of metal coating shell is corresponding with the insulating base bottom thickness, makes metal coating shell and insulating base joint form and seamlessly transits.
Furthermore, in the technique scheme, described first welding foot and second welding foot are all L-shaped, and the top of this first welding foot and second welding foot is formed with first screens and the 3rd screens for the location respectively.
Furthermore, in the technique scheme, described insulating base offers the terminal hole of the described guide groove of a plurality of perforations forward by rear wall, and this guide groove rear end is formed with a plurality of terminal grooves that are communicated with terminal hole.
Furthermore, in the technique scheme, the last hole wall of terminal hole is formed with second screens in the described insulating base, and it is protruding to be formed with the card that matches with this second screens on the described terminal, makes terminal firmly be assemblied in the insulating base.
After adopting technique scheme; the utility model has following beneficial effect compared with prior art: because the insulating base front end is equipped with the metal coating shell; and around the periphery of socket; make the metal coating shell as part the most stressed in the insulating base; even long-time the use; the metal coating shell can be not stressed and occur damaging or the phenomenon of fracture yet, improved useful life of the present utility model greatly.In addition, when assembling with circuit board, first welding foot at metal coating shell two ends and second welding foot can be fixing with the circuit board welding simultaneously, make the utility model and circuit board form stable assembling, do not fix and do not need to add fixture, install very convenient.
Description of drawings:
Fig. 1 is the stereogram of existing electric connector;
Fig. 2 be existing electric connector with circuit board assembling schematic diagram;
Fig. 3 is the utility model stereogram;
Fig. 4 is the stereogram at another visual angle of the utility model;
Fig. 5 is the utility model three-dimensional exploded view;
Fig. 6 is the stereogram of insulating base in the utility model;
Fig. 7 is the stereogram of metal coating shell in the utility model;
Fig. 8 be the utility model and circuit board the assembling schematic diagram.
Description of reference numerals:
1 insulating base, 10 guide grooves, 100 sockets 101 are inserted the embedding space
11 installation positions 111 lack room 112 first embedded holes, 113 second embedded holes
12 the first side walls, 13 second sidewalls, 14 terminal holes, 15 terminal grooves
16 base plates, 17 rear walls, 2 terminals, 21 main parts
Protruding 22 contact sites of 211 cards 23 pin portions 3 metal coating shells
31 main bodys, 32 first welding foots, 321 first screens 331 the 3rd screens
33 second welding foots, 4 insulating bases 40 are inserted embedding space 41 guide grooves
411 sockets, 5 terminals, 51 contact sites, 6 circuit boards
7 circuit boards
Embodiment:
Below in conjunction with specific embodiments and the drawings the utility model is further specified.
Shown in Fig. 3,4; a kind of electric connector; it comprises: insulating base 1 and be installed on terminal 2 in the insulating base 1; offer a guide groove 10 that is used for inserting backward along insulating base 1 front end face; this insulating base 1 front end face forms a socket 100; the contact site 22 of described terminal 2 is revealed in the guide groove 10 of this insulating base 1, and this insulating base 1 front end is installed with a metal coating shell 3, and this metal coating shell 3 is surrounded on the periphery of socket 100 in the insulating base 1.
Particularly, described insulating base 1 comprises: base plate 16, be positioned at first and second sidewalls 12,13 and the rear wall 17 of base plate 16 rear ends of base plate both sides, base plate 16, first and second sidewall 12,13 and rear wall 17 enclose and form described guide groove 10.
Described insulating base 1 front end is provided with an installation position 11; this installation position 11 is used for the described metal coating shell 3 of fixed installation; wherein, the face that this metal coating shell 3 docks with guide groove 10 bottoms and guide groove 10 bottoms maintain an equal level, and surround described socket 100 with first and second sidewall 12,13.
In conjunction with shown in Figure 5, described installation position 11 comprises: be arranged in the scarce room 111 of insulating base 1 base plate 16 front ends and run through described insulating base 1 first and second sidewall 12,13 first embedded hole 112 and second embedded hole 113 respectively, wherein, this first embedded hole 112 and second embedded hole 113 is L-shaped.
In conjunction with shown in Figure 6, described insulating base 1 offers the terminal hole 14 of the described guide groove 10 of a plurality of perforations forward by rear wall 17, and these guide groove 10 rear ends are formed with a plurality of terminal grooves 15 that are communicated with terminal hole 14.
Described terminal 2 comprises: main part 21 and the contact site 22 and the pin portion 23 that are formed at main part 21 rear and front ends, these main part 21 upper ends are formed with card protruding 211, make terminal 2 inject to terminal groove 15 along described terminal hole 14, card protruding 211 and the described terminal hole 14 of main part 21 upper ends are chimeric, make terminal 2 firmly be assemblied in the insulating base 1, in case not-go-end 2 retreats.
In conjunction with shown in Figure 7, described metal coating shell 3 comprises: the main body 31 of docking with insulating base 1 base plate 16 and first welding foot 32 and second welding foot 33 that extend upward moulding behind 31 liang of lateral bucklings of main body; Wherein, first welding foot 32 and second welding foot 33 are all L-shaped, and the top of this first welding foot 32 and second welding foot 33 is formed with first screens 321 and the 3rd screens 331 for the location respectively.Described main body 31 moulding are corresponding with scarce room 111 shapes of base plate 16 front ends, and namely main body 31 forms the protuberance 311 that cooperates with it to lacking room 111 directions.Described first welding foot 32 and second welding foot 33 pass first embedded hole 112, second embedded hole 113 that is positioned on described first and second sidewall 12,13 respectively from lower to upper; and first and second sidewall 12,13 upper surfaces extend; first welding foot 32, second welding foot 33 form inlay card and cooperate respectively with between first embedded hole 112, second embedded hole 113, make metal coating shell 3 be stably fixed at the installation position 11 of insulating base.
The thickness of the base plate 16 of the thickness of main body 31 and described insulating base 1 is suitable in the described metal coating shell 3, makes metal coating shell 3 form with insulating base 1 joint and seamlessly transits, and also can not increase the height of electric connector simultaneously.
During assembling, terminal 2 is injected along the terminal hole 14 in the described insulating base 1, lower end until the contact site 22 of terminal 2 is embedded in the terminal groove 15, wherein, the contact site 22 of terminal 2 is revealed in the guide groove 10 of insulating base 1, card protruding 211 and the described terminal hole 14 of these terminal 2 main parts 21 upper ends are chimeric, make terminal 2 firmly be assemblied in the insulating base 1, in case not-go-end 2 retreats.
First and second welding foot 32,33 of main body 31 both sides passes first embedded hole 112 of the first side wall 12 in the described insulating base 1 and second embedded hole 113 of second sidewall 13 respectively from lower to upper in the described metal coating shell 3; and protrude from outside the insulating base 1; wherein; protuberance 311 in the metal coating shell 3 in the main body 31 falls into the scarce room 111 of described insulating base 1, makes metal coating shell 3 assembling backs and described insulating base 1 form stable assembling.
During use; with the utility model and a circuit board 7 assemblings; wherein; the pin portion 23 of terminal 2 is fixing with circuit board 7 welding, and first and second welding foot 32,33 of metal coating shell 3 passes the pad of circuit board 7 respectively, and fixes by scolding tin; make the utility model firmly be installed on the circuit board 7; wherein, form one between the guide groove 10 of insulating base 1 and the described circuit board 7 and insert embedding space 101, so as with mating end of the present utility model to inserting.
Because insulating base 1 front end is equipped with metal coating shell 3; and around the periphery of socket 100, make metal coating shell 3 as the most stressed part in the insulating base 4, even long-time the use; metal coating shell 3 can not damage or rupture yet, and has improved useful life of the present utility model greatly.In addition, with circuit board 7 assemblings the time, the metal coating shell is also fixing with circuit board 7 welding simultaneously, makes the utility model and circuit board 7 form stable assembling, does not fix and do not need to add fixture, and is very convenient to use.
Certainly, the above only is specific embodiment of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (9)
1. electric connector, it comprises: an insulating base and be installed on terminal in the insulating base, this insulating base comprises: base plate, be positioned at first and second sidewall of base plate both sides and the rear wall that is positioned at base plate rear end, this base plate, first and second sidewall and rear wall enclose the guide groove that is formed for inserting; The contact site of described terminal is revealed in the guide groove of this insulating base; it is characterized in that: described insulating base front end is provided with an installation position; one metal coating shell is fixedly arranged in this installation position, and this metal coating shell and first, second sidewall enclose the socket that forms described guide groove.
2. a kind of electric connector according to claim 1 is characterized in that: the two ends of described metal coating shell are inserted respectively after bending and are extended first and second sidewall in the insulating base; Maintain an equal level with base plate butted part surface and backplate surface in this metal coating shell.
3. a kind of electric connector according to claim 1, it is characterized in that: described installation position comprises: first embedded hole and second embedded hole that are arranged in the scarce room of insulating base base plate front end and run through first and second sidewall respectively.
4. a kind of electric connector according to claim 3, it is characterized in that: described first embedded hole and second embedded hole are all L-shaped.
5. a kind of electric connector according to claim 3, it is characterized in that: described metal coating shell comprises: the main body of docking with the insulating base base plate and first welding foot and second welding foot that extend upward moulding behind main body two lateral bucklings; Described overall shape is corresponding with the scarce room shape of base plate front end; described first welding foot and second welding foot pass first embedded hole, second embedded hole that is positioned on described first and second sidewall respectively from lower to upper; and extended by first and second sidewall upper face; first welding foot, second welding foot form inlay card and cooperate respectively with between first embedded hole, second embedded hole, make the metal coating shell be stably fixed at the installation position of insulating base.
6. a kind of electric connector according to claim 5, it is characterized in that: the thickness of the main body of metal coating shell is corresponding with the insulating base bottom thickness, makes metal coating shell and insulating base joint form and seamlessly transits.
7. a kind of electric connector according to claim 5, it is characterized in that: described first welding foot and second welding foot are all L-shaped, and the top of this first welding foot and second welding foot is formed with first screens and the 3rd screens for the location respectively.
8. a kind of electric connector according to claim 1 is characterized in that: described insulating base offers the terminal hole of the described guide groove of a plurality of perforations forward by rear wall, and this guide groove rear end is formed with a plurality of terminal grooves that are communicated with terminal hole.
9. a kind of electric connector according to claim 8, it is characterized in that: the last hole wall of terminal hole is formed with second screens in the described insulating base, and it is protruding to be formed with the card that matches with this second screens on the described terminal, makes terminal firmly be assemblied in the insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099801 CN203135072U (en) | 2013-03-05 | 2013-03-05 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099801 CN203135072U (en) | 2013-03-05 | 2013-03-05 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135072U true CN203135072U (en) | 2013-08-14 |
Family
ID=48943015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320099801 Expired - Fee Related CN203135072U (en) | 2013-03-05 | 2013-03-05 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203135072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525329A (en) * | 2015-11-06 | 2020-08-11 | 住友电装株式会社 | Connector with a locking member |
| CN107785703B (en) * | 2016-08-26 | 2020-10-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector and assembly thereof |
-
2013
- 2013-03-05 CN CN 201320099801 patent/CN203135072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525329A (en) * | 2015-11-06 | 2020-08-11 | 住友电装株式会社 | Connector with a locking member |
| CN111525329B (en) * | 2015-11-06 | 2021-09-03 | 住友电装株式会社 | Connector with a locking member |
| CN107785703B (en) * | 2016-08-26 | 2020-10-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector and assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20210305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |