CN102709733B - Terminal retention structure for electric connector - Google Patents
Terminal retention structure for electric connector Download PDFInfo
- Publication number
- CN102709733B CN102709733B CN201210200178.1A CN201210200178A CN102709733B CN 102709733 B CN102709733 B CN 102709733B CN 201210200178 A CN201210200178 A CN 201210200178A CN 102709733 B CN102709733 B CN 102709733B
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- Prior art keywords
- terminal
- tongue piece
- electric connector
- lug
- button hook
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a terminal retention structure for an electric connector. The terminal retention structure is arranged in at least one terminal slot axially formed in the electric connector; the terminal retention structure comprises an elastic tongue piece obliquely extended from the inner wall of the terminal slot, a buckling hook protrudes the radial surface of the movable end of the tongue piece, a lug protrudes at least one lateral surface of the tongue piece in the vertical direction of the buckling hook, and a blocking tenon opposite to the rear part of each lug protrudes the inner wall of the terminal slot; and when the tongue piece is subjected to an axial external force, the tongue piece is backwards elastically deformed, and each lug of the buckling hook shifts backwards and presses against the blocking tenon on the rear part, so that the external force borne by the tongue piece is dispersed to the blocking tenon, and the tongue piece is difficult to break.
Description
Technical field
The present invention is relevant a kind of electric connector, and espespecially a kind of terminal for electric connector keeps structure.
Background technology
By electric connector, in electric equipment products, have finding, its main application is the conduction of power supply or signal more, and therefore, electric connector has been widely used for the connection of information products, and is indispensable member.
In fact, the utilization of electric connector is not only aforementioned electric equipment products, and it is also widely used in the Circuits System of locomotive, the connection of usining as circuit.Therefore, this electric connector and complementary connector are axially relative offers at least one terminal groove, and each terminal groove is for male and female terminal intercalation location.So when electric connector docks with complementary connector, the latch of each male terminal can be plugged in the slot of female terminal, to form stably contact and electrical connection.
As shown in Figure 1, it is the profile of prior art electric connector, this electric connector 1 is axially offered at least one terminal groove 11, each terminal groove 11 inwalls are provided with a terminal and keep structure 12, this terminal keeps structure 12 to comprise an elastic tongue piece 121 from the oblique extension of this terminal groove 11 inwall, these tongue piece 121 movable end radial surfaces project a button hook 122, and this button hook 122 forms a recess 123 with tongue piece 121 adjacent surfaces.And terminal 2, for example, after exposed metal/bare metal end 31 combinations of female terminal and conductor wire 3, in these female terminal 2 insertion end pilot trench 11, this female terminal 2 is moved forward along tongue piece 121, until button hook 122 is snapped in the default button hole of this female terminal 2 21, this female terminal 2 can be set firmly and is positioned in terminal groove 11 that electric connector 1 offered, and the slot of female terminal 2 22 is positioned to the front openings of this terminal groove 11.
Aforementioned terminal keeps the significant shortcoming of structure to be, when connector and complementary connector (known technology is illustrated) plug, the latch of complementary connector male terminal is pegged graft or departs from the slot 21 of female terminal 2, these tongue piece 121 roots are subject under the effect of axial thrust and pulling force in terminal groove 11 inwall connecting portions, easily cause the fracture of tongue piece 121, make connector shell form the collapse state that cannot use.
In addition, as want when the interior dismounting terminal 2 of terminal groove 11, be that sheet instrument is inserted by terminal groove 11 front openings, and be connected to the recess 123 of tongue piece 121 front ends; Then, with instrument, radially provoke this tongue piece 121, its button hook 122 is departed from after the button hole 21 of terminal 2, terminal 2 can be extracted out by terminal groove 11 rear openings.But such dismounting start is also that tongue piece 121 roots are imposed to axial thrust in terminal groove 11 inwall connecting portions, easily causes the fracture of tongue piece 121, the collapse state that connector shell is formed cannot use, and need those skilled in the art's improvement.
Summary of the invention
Main purpose of the present invention is to provide a kind of terminal maintaining body for electric connector, it is to be located in the terminal groove of electric connector that this terminal keeps structure, and this terminal keeps structure be provided with butt mechanism relative to terminal groove inside, the excessive deformation that can avoid terminal to keep structure produced by axial force, and disperse this external force Zhi Gai butt mechanism, make this terminal keep the elastic tongue piece of structure to there is good confining force, and the advantage of easy fracture not.
For reaching aforementioned object, the technological means that the present invention takes is to provide a kind of terminal for electric connector and keeps structure, it is to be located at electric connector axially to offer at least one terminal groove, this terminal keeps structure to comprise an elastic tongue piece from the oblique extension of terminal groove inwall, this tongue piece movable end radial surface projects a button hook, and this tongue piece vertically projects a lug at least one side in button hook, and corresponding each lug rear of this terminal groove inwall projects a gear tenon; When tongue piece is subject to axial force, this tongue piece i.e. strain backward, makes to move and be connected to separately after each lug of this button hook the gear tenon at rear, uses the external force that this tongue piece is born and is dispersed to gear tenon.
For further disclosing the present invention's concrete technology contents, first refer to diagram, wherein, Fig. 1 is the profile of known electric connector, Fig. 2 is the profile of electric connector of the present invention, Fig. 3 is that terminal maintaining body of the present invention is located at the interior stereogram of terminal groove, and Fig. 4 is the lug of terminal maintaining body of the present invention and the profile of the gear tenon relative position in terminal groove.
Beneficial effect of the present invention: its effect gaining is, this is located at the interior butt mechanism that keeps structure to be oppositely arranged with terminal of terminal groove of electric connector, for example the button hook of elastic tongue piece movable end vertically projects lug at least one side, and terminal groove inwall projects gear tenon in each lug rear; When tongue piece suffers axial force, this tongue piece i.e. strain backward, make to move and be connected to separately after each lug of button hook the gear tenon at rear, thereby the external force that this tongue piece is born is dispersed to the connecting portion of gear tenon and this tongue piece root and terminal groove inwall, therefore, the excessive deformation that can avoid elastic tongue piece produced by axial force, makes not easy fracture of tongue piece, and increase the confining force that this terminal keeps structure and terminal, can be rated as a ware large innovative design not seen before.
Accompanying drawing explanation
Fig. 1 is the profile of prior art electric connector.
Fig. 2 is the profile of electric connector of the present invention.
Fig. 3 is that terminal maintaining body of the present invention is located at the stereogram in terminal groove.
Fig. 4 is the profile of the lug of terminal maintaining body of the present invention and the gear tenon relative position in terminal groove.
[primary clustering symbol description]
Electric connector 1 terminal groove 11
Gear tenon 111 adjacent surfaces 112
Terminal keeps structure 12 tongue pieces 121
Button hook 122 recess 123
Lug 124 adjacent surfaces 125
Terminal 2 button holes 21
Slot 22
Conductor wire 3 exposed metal/bare metal ends 31
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand, the described content of embodiment is only for the present invention is described, and should also can not limit the present invention described in detail in claims.
As shown in Figure 2, substantially, electric connector of the present invention is identical with the most of structure of known electric connector, at this, to mention mode, is incorporated to the present invention.Therefore, electric connector 1 of the present invention is axially offered at least one terminal groove 11, and each terminal groove 101 inwalls are provided with a terminal and keep structure 12, this terminal keeps structure 12 to comprise an elastic tongue piece 121 from the oblique extension of this terminal groove 11 inwall, these tongue piece 121 movable end radial surfaces project a button hook 122, and this button hook 122 forms a recess 123 with tongue piece 121 adjacent surfaces.
As shown in Figures 3 and 4, this terminal maintenance structure 12 is different from prior art with terminal groove 11 and is characterised in that, this terminal keeps structure 12 be provided with a butt mechanism relative to terminal groove 11 inside, the embodiment of this butt mechanism is: this tongue piece 121 vertically projects a lug 124 in button hook 122 at least one side, be preferably at this button hook 122 and vertically to two sides, project a pair of lug 124, and these corresponding each lug 124 rears of terminal groove 11 inwalls project a gear tenon 111.Therefore, when tongue piece 121 is subject to axial force, for example, when male terminal inserts female terminal or is connected to the recess 123 of tongue piece 121 movable ends and radially provokes with instrument, to impel tongue piece 121 resilient movement distortion backward, so that after each lug 124 is also synchronous, move, and be connected to the gear tenon 111 of homonymy, like this, the external force that this tongue piece 121 bears, by being dispersed to the positions such as connecting portion of gear tenon 111 and this tongue piece 121 roots and terminal groove 11 inwalls, makes not easy fracture of this tongue piece 121.Meanwhile,, while making this tongue piece 121 bear external force, can there is not deflection and move, and have advantages of the deformation direction of correction in the design by lug 124 butt gear tenons 111.
Further, two of the gear tenon 111 of the adjacent setting of each lug 124 and rear relative adjacent surfaces 125,112 are adopted the inclined plane design that supplementary angle coordinates each other.Like this when tongue piece 121 is stressed, each lug 124 is that the gear tenon 111 along the adjacent setting in rear carries out resilient radial and moves.
As shown in Figure 2, it is to show terminal, such as but not limited to female terminal, with the profile after the terminal groove combination of electric connector.After exposed metal/bare metal end 31 combinations of this female terminal 2 and conductor wire 3, in these female terminal 2 insertion end pilot trench 11, this female terminal 2 is moved forward along tongue piece 121, until button hook 122 is snapped in the default button hole of this female terminal 2 21, this female terminal 2 can be fixed and is positioned in the terminal groove 11 that electric connector 1 offers, and the slot of female terminal 2 22 is positioned to the front openings of this terminal groove 11.
Therefore, when connector 1 of the present invention docks with complementary connector (prior art is illustrated), the latch of this complementary connector male terminal is in inserting slot 21 processes of female terminal 2, this tongue piece 121 is subject to the effect of the axial moving force of terminal 2, and strain backward, now, after the lug 124 of these button hook 122 both sides, move and be connected to separately the gear tenon 111 at rear, thereby the external force that this tongue piece 121 is born is dispersed to three positions such as connecting portion of two gear tenons 111 and this tongue piece 121 roots and terminal groove 11 inwalls.So, via aforesaid enforcement, unlikely causing outside the easy fracture of tongue piece 121 roots, and increase the snapping power (confining force) that this terminal keeps structure 12 and terminal 2.
As want when the interior dismounting terminal 2 of terminal groove 11, first sheet instrument is inserted by terminal groove 11 front openings, and be connected to the recess 123 of tongue piece 121 front ends, make this tongue piece 121 be subject to the axial thrust of instrument, and strain backward, now, after the lug 124 of these button hook 122 both sides, move and be connected to separately the gear tenon 111 at rear, thereby the axial force that this tongue piece 121 is born is dispersed to three positions such as connecting portion of two gear tenons 111 and this tongue piece 121 roots and terminal groove 11 inwalls.Then, with tool, radially provoke this tongue piece 121, its button hook 122 is departed from after the button hole 21 of terminal 2, can successfully terminal 2 be extracted out by terminal groove 11 rear openings.
Disclosed person, is a kind of of preferred embodiment, the change of part or modification and come from the present invention's technological thought and be easy to by haveing the knack of the people of this skill the person of knowing by inference such as, all de-the present invention's patent right category not.
Claims (3)
1. the terminal for electric connector keeps structure, it is to be located at electric connector axially to offer at least one terminal groove, this terminal keeps structure to comprise an elastic tongue piece from the oblique extension of terminal groove inwall, this tongue piece movable end radial surface projects a button hook, and this tongue piece vertically projects a lug at least one side in button hook, and the corresponding lug of this terminal groove inwall rear projects a gear tenon;
When tongue piece is subject to axial force, this tongue piece i.e. strain backward, makes to move and be connected to separately after each lug of this button hook the gear tenon at rear;
This tongue piece vertically projects a pair of lug in button hook to two sides, this terminal groove inwall is to should projecting a pair of gear tenon to lug rear;
Two relative adjacent surfaces of the gear tenon of the adjacent setting in each lug and rear are to be the inclined plane at supplementary angle each other.
2. the terminal for electric connector according to claim 1 keeps structure, it is characterized in that, this button hook and tongue piece adjacent end face form a recess.
3. the electric connector that comprises the maintenance of the terminal for electric connector described in any one structure in claim 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200178.1A CN102709733B (en) | 2012-06-15 | 2012-06-15 | Terminal retention structure for electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200178.1A CN102709733B (en) | 2012-06-15 | 2012-06-15 | Terminal retention structure for electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102709733A CN102709733A (en) | 2012-10-03 |
| CN102709733B true CN102709733B (en) | 2014-08-27 |
Family
ID=46902359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210200178.1A Active CN102709733B (en) | 2012-06-15 | 2012-06-15 | Terminal retention structure for electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102709733B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10193259B1 (en) * | 2017-12-22 | 2019-01-29 | Te Connectivity Corporation | Receptacle connector housing with hold-down ribs |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150705A (en) * | 1995-08-08 | 1997-05-28 | 住友电装株式会社 | Short circuit connector and retainer |
| US5645452A (en) * | 1994-06-17 | 1997-07-08 | Yazaki Corporation | Connector housing |
| CN1164135A (en) * | 1996-04-26 | 1997-11-05 | 住友电装株式会社 | Connector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005216810A (en) * | 2004-02-02 | 2005-08-11 | Sumitomo Wiring Syst Ltd | Connector |
| JP4564395B2 (en) * | 2005-04-11 | 2010-10-20 | 三菱電線工業株式会社 | Sealing member for connection terminal |
| JP2006344538A (en) * | 2005-06-10 | 2006-12-21 | Tyco Electronics Amp Kk | Electric connector |
-
2012
- 2012-06-15 CN CN201210200178.1A patent/CN102709733B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645452A (en) * | 1994-06-17 | 1997-07-08 | Yazaki Corporation | Connector housing |
| CN1150705A (en) * | 1995-08-08 | 1997-05-28 | 住友电装株式会社 | Short circuit connector and retainer |
| CN1164135A (en) * | 1996-04-26 | 1997-11-05 | 住友电装株式会社 | Connector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-294417A 2006.10.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102709733A (en) | 2012-10-03 |
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