CN202840053U - Onboard electric connector and housing thereof - Google Patents
Onboard electric connector and housing thereof Download PDFInfo
- Publication number
- CN202840053U CN202840053U CN 201220354207 CN201220354207U CN202840053U CN 202840053 U CN202840053 U CN 202840053U CN 201220354207 CN201220354207 CN 201220354207 CN 201220354207 U CN201220354207 U CN 201220354207U CN 202840053 U CN202840053 U CN 202840053U
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- housing
- accepting groove
- base portion
- contact
- rear end
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Abstract
The utility model relates to the electric connector field, especially to an onboard electric connector base body housing. The onboard electric connector comprises a metal housing; the front end of the housing is used as a plug-in terminal and the rear end of the housing is provided with at least one grounded pin that is overhanged backward and is used for being connected with a corresponding printed board. Because the front end of the housing of the onboard electric connector is used as the plug-in terminal and the rear end of the housing is provided with the grounded pin that is overhanged backward, when being used, the connector can be inserted into the corresponding printed board directly by the grounded pin. Because the grounding is realized by the printed board and the mode of cooperation of the pin and the printed circuit is employed, the grounding is reliable. Besides, the grounded pin that is the accessory at the rear of the housing is used as the grounded element, so that no cost and no weight of the onboard electric connector are increased and the appearance is almost not changed. Therefore, the grounding performance of the onboard electric connector is optimized on the premise that the cost is almost not increased, thereby improving the market competitiveness of the connector.
Description
Technical field
The utility model relates to electric connector field, especially a kind of plate live connector matrix housing.
Background technology
In the present electric connector, the earthing mode of housing mainly contains two kinds, i.e. wire ground connection and annex ground connection.Wire ground connection refers to wire corresponding to metal shell welding at electric connector, by wire electric connector housing is connected with the earth, this kind mode affects the outward appearance of electric connector on the one hand, on the other hand owing to being with soft wire and electric connector welding, therefore welding procedure is complicated, welding quality is difficult to guarantee and solder joint easily comes off, and tends to occur the problem of earthing failure.The annex earthing mode refers to increase the tail annex at the afterbody of electric connector housing, and this kind earthing mode has very large change with respect to wire and housing welding manner, no-welding-spot, and contact is reliable.But, this kind earthing mode requires cable that electric connector connects must be with screen, be grounded by screen, in addition, increase annex and will increase the electric connector total length, the increase so that electric connector takes up room, product parts increases, production cycle increases, and has finally improved the manufacturing cost of electric connector, has caused the decline of the market competitiveness of electric connector.
In addition, in the present electric connector, most contact fixedly is assembled together by base portion and insulator, and the fixed form of described base portion and insulator mainly contains two kinds, is respectively press-fit approach and injection molding packaging mode.With regard to press-fit approach, it mainly is to offer stepped hole at insulator, base portion at contact arranges to the shoulder of contact radial outer periphery projection, during assembling, one end of the shoulder of base portion is by the step surface block on the hole wall of described stepped hole, the other end is fixed by the insulation board that other establishes, the fixed part of this kind mode has two, be insulator and insulation board, assembly technology is complicated, and insulator and insulation board all need the Mould Machining by special use, this has directly caused the increasing of assembly process of electric connector, the growth of production cycle and the increase of manufacturing cost, in addition, in order to prevent the rotation of contact in insulator, toward contact the special structure of only revolving need to be set between contact and insulator, this has also increased the complexity of the assembly technology of electric connector to a certain extent.The injection molding packaging mode be by corresponding mould with the direct injection molding packaging of insulator on contact, in order to prevent that contact from can not become curved in packed process, the diameter that requires generally speaking contact is large and the material property of contact had certain requirement, in addition, the fixing contact of this kind mode can't reuse in different products, and above-mentioned a series of reason has also caused adopting the increase of cost of the electric connector of injection molding packaging mode fixed contact therefor.
Plate live connector is comparatively common a kind of in the electric connector, it generally is to be assemblied in the printed board to use, owing to being subject to the obstruction of printed board, the afterbody of plate live connector can't fitting attachments, still is adopt the wire earthing mode in the majority in the present plate live connector.Therefore the ground connection performance of present plate live connector often can't be satisfactory.
Summary of the invention
The purpose of this utility model is to provide a kind of plate live connector, to optimize the ground connection performance of plate live connector.
Simultaneously, the purpose of this utility model also is to provide the electric connector housing of above-mentioned plate live connector.
In order to address the above problem, plate live connector of the present utility model is by the following technical solutions: plate live connector, the housing that comprises metal, described housing be take front end as inserted terminal, and that the rear end of housing is provided with is that at least one overhangs backward, be used for the grounding pin that connects with corresponding printed board.
The outside wall surface of described housing is provided with accepting groove, and described accepting groove runs through the rear end face of housing backward, and the front end of grounding pin is provided with the fixture block that is inlaid in the corresponding accepting groove, and described fixture block is received to press solidly by the cell wall of corresponding accepting groove and fixed in the accepting groove.
Described housing forms Gu Bi along circumferentially having dug respectively isolation channel in the both sides of accepting groove between the respective side of isolation channel and accepting groove.
Be laid with on the rear end face of described housing for the pin that is inserted into backward in the corresponding printed board.
Fixedly be equipped with insulator and contact in the described housing, insulator has installing hole, contact has the base portion that is inserted into the corresponding installing hole before backward, the axis that extends before and after base portion has, the base portion of contact is provided with the elasticity hangnail, the elasticity hangnail tilts to overhang to the radial outer periphery of base portion from front to back gradually, the hole wall of installing hole is provided with corresponding with the elasticity hangnail, the guide groove that extend front and back, the elasticity hangnail cooperates with corresponding guide groove and stops corresponding contact to rotate in installing hole, the rear end of the bottom land of guide groove is provided with the gear platform, the contact that this gear platform and the rear end cooperation block of corresponding elasticity hangnail are corresponding moves backward with respect to insulator, the hole wall front portion of installing hole is provided with the rearward step surface of face, and the front end of this step surface block base portion moves forward with respect to insulator.
The outside wall surface of described base portion is provided with finger key, described finger key is stuck in the corresponding guide groove and with the elasticity hangnail and together stops corresponding contact to rotate in installing hole, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
Electric connector housing of the present utility model is by the following technical solutions: electric connector housing, this housing are metal shell and take front end as inserted terminal, and that the rear end of housing is provided with is that at least one overhangs backward, be used for the grounding pin that connects with corresponding printed board.
The outside wall surface of this housing is provided with accepting groove, and described accepting groove runs through the rear end face of housing backward, and the front end of grounding pin is provided with the fixture block that is inlaid in the corresponding accepting groove, and described fixture block is received to press solidly by the cell wall of corresponding accepting groove and fixed in the accepting groove.
This housing forms Gu Bi along circumferentially having dug respectively isolation channel in the both sides of accepting groove between the respective side of isolation channel and accepting groove.
Be laid with on the rear end face of described housing for the pin that is inserted into backward in the corresponding printed board.
Because plate live connector of the present utility model is provided with the grounding pin that overhangs backward take front end as inserted terminal and in the rear end, therefore, can directly insert in the corresponding printed board by described grounding pin in use, come ground connection by printed board, owing to being the mode that adopts pin to cooperate with printed board, therefore ground connection is reliable, moreover, earthing member only is grounding pin, be an associate member at housing rear portion, therefore can increase hardly the cost of plate live connector, volume and outward appearance this shows, the utility model has been optimized the ground connection performance of plate live connector under the prerequisite that increases hardly cost, improved the competitiveness of product in market.
Further, because the metal shell of electric connector generally is machining and forms, therefore adopt that accepting groove cooperates with fixture block, the mode of cell wall receipts pressure is grounded the secure fit between pin and the housing, namely so that housing and grounding pin can process respectively, reduced the difficulty of processing to housing, and the secure fit that adopts the mode of receiving pressure to be grounded between pin and the housing is also very convenient, fast when operation; Housing arrange described isolation channel and so that form between isolation channel and the accepting groove described Gu Bi can be conveniently to the receipts press operation of the cell wall of accepting groove, improve the efficiency of assembling to grounding pin; Pin on the housing rear end face can be used for and corresponding printed board location and secure fit, the elasticity hangnail cooperates with corresponding guide groove on the one hand and stops corresponding contact to rotate in installing hole, cooperate contact corresponding to block mobile backward with respect to insulator with the gear platform that the bottom land rear end of guide groove arranges on the other hand, the hole wall front portion of installing hole is provided with the rearward step surface of face, the front end of this step surface block base portion moves forward with respect to insulator, as seen the parts that are used for fixed contact therefor only have one of insulator, thereby reduced the quantity of the fixed part of contact with respect to prior art, and can reduce accordingly the mould of making corresponding component, save the time of making the corresponding component cost, and then reduced the production cost of electric connector; In addition, described elasticity hangnail plays simultaneously spline and prevents the effect that contact is deviate from from the insulator rear end, thereby can establish in addition more special spline parts, manufacturing process and structure that this has also simplified electric connector have from another point of view further reduced the manufacturing cost of electric connector; Described finger key can together stop contact to rotate in corresponding installing hole with the cooperation of elasticity hangnail; on the one hand so that the spline power that the front and back end of base portion is subject to is balanced; also can share the stressed of elasticity hangnail on the other hand; play the effect of protection elasticity hangnail; interfere between the base portion of corresponding contact inserts in the process of installing hole bottom land with corresponding guide groove so that the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail can prevent finger key, avoid the appearance of the problem that plug-in mounting is obstructed.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of plate live connector of the present utility model;
Fig. 2 is the schematic diagram that cooperates of insulator and contact among Fig. 1;
Fig. 3 is the structural representation of the housing among Fig. 1;
Fig. 4 is the structural representation of the insulator among Fig. 2;
Fig. 5 is the structural representation of the contact among Fig. 2;
Fig. 6 is the use view of the embodiment 1 of plate live connector of the present utility model;
Fig. 7 is the structural representation of the embodiment 1 of electric connector housing of the present utility model.
Embodiment
The embodiment 1 of plate live connector of the present utility model, shown in Fig. 1-6, the housing 11 that comprises metal, housing 11 is take front end as inserted terminal, its rear end is provided with grounding pin 12, specifically, the outside wall surface of the rear end of housing 11 is provided with accepting groove, the rear end of accepting groove extends back and runs through the rear end face of the corresponding position of housing 11, the front end of grounding pin 12 is provided with fixture block, fixture block be embedded in the accepting groove on the housing 11 and by the cell wall of accepting groove receive press solidly fixed, for the receipts press operation of convenience to the cell wall of accepting groove, the edge circumferentially also is provided with respectively isolation channel 11-1 in the both sides of accepting groove on the outside wall surface of housing 11, consist of a lonely wall 11-2 between the sides adjacent of isolation channel 11-1 and accepting groove, can be by pushing away when receiving the cell wall of pressing accepting groove, pound corresponding Gu Bi and operate, the rear end of housing also is provided with pin 11-3 in addition, pin 11-3 extends to the rear end of housing, and it is used for realizing the location between housing and the corresponding printed board 13 and fixes; Grounding pin 12 is used for corresponding printed board 13 connections and by printed board ground connection; Fixedly be equipped with insulator 14 in the housing 11, insulator 14 is provided with the penetrating installing hole 14-1 in front and back, be equipped with contact 15 among the installing hole 14-1, this contact 15 is the hole contact, comprise a base portion, base portion is tubular and has the axis that extends along fore-and-aft direction (plug direction), its front portion has the jack 15-1 that inserts for adaptive contact pin, the outer peripheral face of base portion is provided with elasticity hangnail 16, in the present embodiment, elasticity hangnail 16 is the integral type structure with the base portion of corresponding contact, its rear end is positioned on the base portion of contact, front end extends and forms the structure that overhangs to radially (direction vertical with fore-and-aft direction) of the base portion at its place is peripheral from front to back gradually, also be provided with finger key 17 on the outer wall of the base portion of contact 15, finger key 17 in the present embodiment adopts integral structure with the base portion of contact, because contact 15 generally is by one time punching molded adding man-hour, therefore elasticity hangnail 16 and finger key 17 all are made as the moulding process that one can be simplified contact with the base portion of corresponding contact 15, increase is to the production efficiency of contact, thereby further reduce the manufacturing cost of electric connector, the rear end of finger key 17 is positioned on the base portion of corresponding contact, its front end before backward gradually the base portion radial outer periphery to the contact of correspondence extend, it is to be noted, finger key on the same contact and elasticity hangnail are positioned at the same side of contact and the distance that finger key is extended to the base portion radial outer periphery less than the elasticity hangnail to the distance of base portion radial outer periphery extension, in the present embodiment, the rear end of contact 15 also is provided with pin 18; Offer the guide groove 19 that extends along fore-and-aft direction on the hole wall of the installing hole of insulator 14, in the present embodiment, this guide groove 19 is the groove on the fore-and-aft direction, in addition, the rear portion of the bottom land of guide groove 19 is provided with gear platform 20, in the present embodiment, the height of gear platform 20 is lower than the degree of depth of guide groove 19, the gear edge of turning in the front end of each installing hole is provided with; In contact 15 installing hole that is inserted into correspondence from back to front, in the process of inserting, finger key at first cooperate with guide groove guiding and and the bottom land of guide groove on the gear platform between do not interfere, it is the gear platform that finger key is crossed the guide groove bottom land, when elasticity hangnail process gear platform, at first under the compressing of gear platform, draw and cross the gear platform in to the direction near the contact at its place, cross the leading flank that the elasticity hangnail of gear behind the platform resets and open and withstand the gear platform by the rear end under the elastic reaction of self, thereby so that the gear platform stops contact mobile backward in the installing hole of correspondence, meanwhile, the base portion of the front end of the base portion that covers contact and block contact forward the movement in installing hole that turns edge in the installing hole front end, thus realized the axial restraint of contact; In addition, the projecting end of elasticity hangnail and finger key lays respectively in the guide groove and with the guide groove cooperation and prevent that the base portion of contact from rotating in corresponding installing hole.
In other embodiment of plate live connector of the present utility model, grounding pin described in above-described embodiment 1 can also adopt the modes such as welding, interference plug-in mounting to be connected with housing or be made as one with housing, because grounding pin and housing are hard material, therefore even adopt the form of welding also to be easy to guarantee bond strength between the two, the problem of the not prison welding in the time of traditional welding lead can not occurring.
The embodiment 1 of electric connector housing of the present utility model, identical with the structure of the embodiment 1 of plate live connector of the present utility model as shown in Figure 7, it will not go into details herein.
Claims (10)
1. plate live connector comprises that the housing of metal, described housing is characterized in that take front end as inserted terminal, and that the rear end of housing is provided with is that at least one overhangs backward, be used for the grounding pin that connects with corresponding printed board.
2. plate live connector according to claim 1, it is characterized in that, the outside wall surface of described housing is provided with accepting groove, described accepting groove runs through the rear end face of housing backward, the front end of grounding pin is provided with the fixture block that is inlaid in the corresponding accepting groove, and described fixture block is received to press solidly by the cell wall of corresponding accepting groove and fixed in the accepting groove.
3. plate live connector according to claim 2 is characterized in that, described housing forms Gu Bi along circumferentially having dug respectively isolation channel in the both sides of accepting groove between the respective side of isolation channel and accepting groove.
4. plate live connector according to claim 1 is characterized in that, is laid with on the rear end face of described housing for the pin that is inserted into backward in the corresponding printed board.
5. each described plate live connector according to claim 1-4, it is characterized in that, fixedly be equipped with insulator and contact in the described housing, insulator has installing hole, contact has the base portion that is inserted into the corresponding installing hole before backward, the axis that extends before and after base portion has, the base portion of contact is provided with the elasticity hangnail, the elasticity hangnail tilts to overhang to the radial outer periphery of base portion from front to back gradually, the hole wall of installing hole is provided with corresponding with the elasticity hangnail, the guide groove that extend front and back, the elasticity hangnail cooperates with corresponding guide groove and stops corresponding contact to rotate in installing hole, the rear end of the bottom land of guide groove is provided with the gear platform, the contact that this gear platform and the rear end cooperation block of corresponding elasticity hangnail are corresponding moves backward with respect to insulator, the hole wall front portion of installing hole is provided with the rearward step surface of face, and the front end of this step surface block base portion moves forward with respect to insulator.
6. plate live connector according to claim 5, it is characterized in that, the outside wall surface of described base portion is provided with finger key, described finger key is stuck in the corresponding guide groove and with the elasticity hangnail and together stops corresponding contact to rotate in installing hole, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
7. electric connector housing, this housing are metal shell and take front end as inserted terminal, it is characterized in that, that the rear end of housing is provided with is that at least one overhangs backward, be used for the grounding pin that connects with corresponding printed board.
8. electric connector housing according to claim 7, it is characterized in that, the outside wall surface of this housing is provided with accepting groove, described accepting groove runs through the rear end face of housing backward, the front end of grounding pin is provided with the fixture block that is inlaid in the corresponding accepting groove, and described fixture block is received to press solidly by the cell wall of corresponding accepting groove and fixed in the accepting groove.
9. electric connector housing according to claim 8 is characterized in that, this housing forms Gu Bi along circumferentially having dug respectively isolation channel in the both sides of accepting groove between the respective side of isolation channel and accepting groove.
10. each described electric connector housing is characterized in that according to claim 7-9, is laid with on the rear end face of described housing for the pin that is inserted into backward in the corresponding printed board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354207 CN202840053U (en) | 2012-07-20 | 2012-07-20 | Onboard electric connector and housing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354207 CN202840053U (en) | 2012-07-20 | 2012-07-20 | Onboard electric connector and housing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840053U true CN202840053U (en) | 2013-03-27 |
Family
ID=47951676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220354207 Expired - Fee Related CN202840053U (en) | 2012-07-20 | 2012-07-20 | Onboard electric connector and housing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025648A (en) * | 2016-04-29 | 2016-10-12 | 中航光电科技股份有限公司 | Mineral insulation cable wiring structure and wiring method thereof |
| CN114122842A (en) * | 2021-11-26 | 2022-03-01 | 江西晶科光伏材料有限公司 | Prevent rotatory photovoltaic connector |
-
2012
- 2012-07-20 CN CN 201220354207 patent/CN202840053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025648A (en) * | 2016-04-29 | 2016-10-12 | 中航光电科技股份有限公司 | Mineral insulation cable wiring structure and wiring method thereof |
| CN114122842A (en) * | 2021-11-26 | 2022-03-01 | 江西晶科光伏材料有限公司 | Prevent rotatory photovoltaic connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130720 |