CN114069303A - Electric connector and manufacturing method thereof - Google Patents
Electric connector and manufacturing method thereof Download PDFInfo
- Publication number
- CN114069303A CN114069303A CN202111216260.9A CN202111216260A CN114069303A CN 114069303 A CN114069303 A CN 114069303A CN 202111216260 A CN202111216260 A CN 202111216260A CN 114069303 A CN114069303 A CN 114069303A
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- China
- Prior art keywords
- contact arm
- groove
- limiting
- accommodating groove
- conductive terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
Abstract
The invention discloses an electric connector and a manufacturing method thereof, wherein the electric connector comprises a body, a supporting platform and a positioning part, wherein the body is provided with an accommodating groove, limiting grooves on the left side and the right side of the accommodating groove and a limiting part on the top of the limiting groove; the conductive terminal is arranged in the accommodating groove from top to bottom and is provided with an upper contact arm, a lower contact arm and a connecting part for connecting the upper contact arm and the lower contact arm; the left side and the right side of the upper contact arm are provided with convex parts, the conductive terminal is provided with a slotted hole penetrating through the upper contact arm, the slotted hole and the convex parts are arranged in parallel from left to right, the convex parts are correspondingly accommodated in the limiting grooves and positioned below the corresponding limiting parts, the width of the upper contact arm at the convex parts along the left-right direction is greater than the distance between the two limiting parts, and the slotted hole provides yielding space for the compression of the upper contact arm at the convex parts so that the convex parts can downwards cross over the limiting parts in the process that the conductive terminal is downwards inserted into the accommodating groove; the lower contact arm is arranged above the supporting table and limited by the supporting table.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector and a method for manufacturing the same, and more particularly, to a low profile electrical connector and a method for manufacturing the same.
[ background of the invention ]
The conductive terminals of a conventional lga (land Grid array) connector mainly include a fixing portion and an elastic arm connected to the fixing portion, the elastic arm extends beyond the connector body and is used for contacting with a mating component of the connector, the fixing portion is accommodated in the connector body, and the conductive terminals are fixed to the connector body. In order to achieve a good fixing effect, the fixing portion must occupy a large height relative to the whole conductive terminal, so as to set up a sufficient structure for fixing on the fixing portion, which limits the miniaturization of the conductive terminal, and the connector cannot be further thinned, that is, if the height of the conductive terminal is further reduced, the fixing effect of the general conductive terminal is reduced, and since the elastic arm exceeds the connector body to contact the butt-joint element, and the elastic arm is movable, the general elastic arm cannot help the conductive terminal to be fixed on the connector body.
Chinese patent application CN201911235616.6 discloses an electric connector to above-mentioned problem, wherein through the lug restriction down the elastic arm upwards displacement between the elastic arm about being located, the tray table restriction down that is located the elastic arm below down plays the elastic arm downwards displacement, promptly through the lug with the tray table is cliied play the arm down and fix whole conductive terminal, nevertheless so sets up, the lug also can restrict elastic deformation after the elastic arm contacts the second butt joint piece down, leads to the elastic force that the elastic arm produced down, acted on the second butt joint piece is not enough, influences the contact effect.
Therefore, there is a need for an improved electrical connector and method of making the same that overcomes the above-mentioned problems.
[ summary of the invention ]
Aiming at the problems in the prior art, the invention provides an electric connector, which increases the effective elastic arm of a conductive terminal and reduces the occupation ratio of the whole height of the conductive terminal by changing the position of a limit structure; the invention also provides a manufacturing method of the electric connector.
In order to achieve the purpose, the invention adopts the following technical means:
an electrical connector, comprising: the body is of an integrated structure and is provided with an accommodating groove, the accommodating groove vertically penetrates through the body and is sealed on the periphery in the horizontal direction, the groove walls of the body on the left side and the right side of the accommodating groove are respectively provided with a blocking part, a limiting groove and a limiting part formed at the top of each limiting groove, the blocking parts on the same side of the accommodating groove are positioned in front of the corresponding limiting grooves, and the bottom of the body corresponding to the accommodating groove is provided with a supporting platform; the conductive terminal is accommodated in the accommodating groove and provided with an upper contact arm, a lower contact arm and a connecting part, the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm, the upper contact arm protrudes upwards out of the accommodating groove, the lower contact arm protrudes downwards out of the accommodating groove, two bulges are arranged on the left side and the right side of the upper contact arm, each bulge is correspondingly accommodated in one limiting groove and located below the corresponding limiting part and limited by the limiting part, the lower contact arm is placed above the supporting platform and limited by the supporting platform, two stopping parts are arranged on the left side and the right side of the lower contact arm, and the stopping parts are located behind the stopping parts and limited by the stopping parts in the front-back direction.
The electrical connector of claim 1, wherein: the body is provided with an opening which is formed by downwards concave from the upper surface of the supporting platform, and the opening is used for accommodating the connecting part in the process that the conductive terminal is assembled on the body.
Furthermore, the body is provided with an opening which vertically penetrates through the supporting platform, and the opening is communicated with the two limiting grooves on the left side and the right side of the accommodating groove.
Further, the conductive terminal has a slot located between the two protrusions, and the slot penetrates through the upper contact arm.
Furthermore, the blocking part on the same side of the containing groove is positioned in front of the corresponding limiting groove, and the blocking part and the limiting groove are arranged at intervals in the front-back direction.
Further, the distance between the front end of the lower contact arm and the groove wall of the front side of the accommodating groove is larger than the distance between the blocking part and the corresponding blocking part.
Furthermore, the upper ends of the left side and the right side of the accommodating groove are respectively provided with a guide inclined plane, one part of the guide inclined plane is formed on the limiting part, and the other part of the guide inclined plane is downwards connected with the blocking part.
Further, the protrusion is formed to protrude outward horizontally in the left-right direction.
An electrical connector, comprising: the body is provided with an accommodating groove which vertically penetrates through the body, a limiting groove and a limiting part are formed on the top of the limiting groove on the groove wall of one of the left side and the right side of the accommodating groove, and a supporting platform is arranged at the bottom of the body corresponding to the accommodating groove; the conductive terminal is assembled into the accommodating groove in a top-down mode and is provided with an upper contact arm, a lower contact arm and a connecting part, and the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm; the upper contact arm protrudes out of the accommodating groove upwards, one of the left side and the right side of the upper contact arm is provided with a protruding part, the conductive terminal is provided with a slotted part penetrating through the upper contact arm, the slotted part and the protruding part are arranged in parallel left and right, the protruding part is correspondingly accommodated in the limiting groove and is positioned below the corresponding limiting part, the width of the upper contact arm at the protruding part along the left and right direction is greater than the distance between the limiting part and the groove wall at the other of the left side and the right side of the accommodating groove along the left and right direction, and the slotted part provides a yielding space for the upper contact arm to compress at the protruding part so that the protruding part passes over the limiting part downwards in the process that the conductive terminal is inserted into the accommodating groove downwards; the lower contact arm is placed above the tray table and is limited by the tray table, and the lower contact arm protrudes downwards to form the accommodating groove.
Furthermore, the body is provided with an opening which is formed by downwards concave from the upper surface of the supporting platform and is used for accommodating the connecting part in the process of assembling the conductive terminal on the body.
Furthermore, a blocking part is arranged on the groove wall of one of the left side and the right side of the accommodating groove of the body, the blocking part is positioned in front of the limiting groove, the lower contact arm is provided with a blocking part, and the blocking part is positioned behind the blocking part and is limited by the blocking part in the front-back direction.
Further, the distance between the front end of the lower contact arm and the groove wall on the front side of the containing groove is larger than the distance between the blocking part and the corresponding blocking part.
Furthermore, the upper surface of the rear end of the support table is arc-shaped, and the connecting part is arc-shaped, so that the conductive terminals can be matched with each other in the assembling process.
Further, a guiding part is arranged on the rear side of the protruding part, and the protruding part is guided to downwards cross the limiting part in the process that the rear end of the connecting part is inserted into the accommodating groove in a downward mode.
A manufacturing method of an electric connector comprises the steps of providing a body, wherein the body is provided with an accommodating groove which penetrates through the body from top to bottom, a limiting groove and a limiting part are formed in the top of the limiting groove on the groove wall of one of the left side and the right side of the accommodating groove of the body, and a supporting platform is arranged at the bottom of the body corresponding to the accommodating groove; providing a conductive terminal, wherein the conductive terminal is provided with an upper contact arm, a lower contact arm and a connecting part, the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm, and a protruding part is convexly arranged on one of the left side and the right side of the upper contact arm; inserting the conductive terminal into the accommodating groove downwards, enabling the rear end of the connecting part to enter the accommodating groove in a downward mode, enabling the bulge part to pass over the limiting part downwards and be accommodated in the limiting groove, and limiting by the limiting part; the conductive terminal is rotated forwards, the protruding portion is located in the limiting groove, the lower contact arm is placed above the supporting platform and limited by the supporting platform, the upper contact arm protrudes out of the accommodating groove, and the lower contact arm protrudes out of the accommodating groove downwards.
Furthermore, the body is provided with an opening which is formed by downwards concave setting from the upper surface of the supporting platform, and the connecting part enters the opening in the process of downwards inserting the conductive terminal into the accommodating groove.
Further, after the connecting portion enters the opening, the connecting portion is close to the front end of the opening, and the protruding portion is close to the rear end of the limiting groove.
Furthermore, the conductive terminal is provided with a slot, the slot vertically penetrates through the upper contact arm and is arranged in parallel with the projection part from left to right, the left width of the upper contact arm at the projection part is larger than the distance between the limiting part and the groove wall at the other side of the left side wall and the right side wall of the accommodating groove, the projection part is abutted against the limiting part in the process that the projection part crosses the limiting part, so that the upper contact arm deforms and compresses towards the slot, the upper contact arm recovers after crossing the limiting part, and the projection part enters the limiting groove.
Further, a material belt is provided, the material belt is integrally connected to the upper contact arm and is far away from the other end of the connecting portion, the conductive terminal is located below the material belt, the lower contact arm is located in front of the upper contact arm, the conductive terminal is inserted into the accommodating groove downwards, and then the material belt rotates forwards to remove the material belt after the rotation is completed.
Further, the body is provided with a blocking part in front of the limiting groove, the blocking part is positioned in the accommodating groove and is arranged at a front-back interval with the limiting groove, the blocking part and the lower contact arm are provided with a blocking part, and in the process of forward rotating the conductive terminal, the blocking part rotates from the rear upper part of the blocking part to the rear of the blocking part from top to bottom and then moves downwards at the rear of the blocking part.
Compared with the prior art, the invention has the following beneficial effects: through being located go up the contact arm top spacing portion blocks go up the contact arm the bulge prevents conductive terminal upwards withdraws from the accepting groove is located contact arm below the saddle prevents conductive terminal withdraws from downwards the accepting groove need not go up the contact arm with set up the restriction between the contact arm down the fixed knot structure that upper and lower contact arm warp passes through simultaneously upper and lower contact arm will be whole conductive terminal location is in the accepting groove, then need not to pass through connecting portion are fixed conductive terminal makes the height of connecting portion accounts for than reducing, is favorable to conductive terminal with the electric connector is miniaturized, just connecting portion are in elastic deformation also can take place for the in-process that conductive terminal warp, increase conductive terminal's elasticity.
[ description of the drawings ]
Fig. 1 is a perspective view of an electrical connector of the present invention;
FIG. 2 is a partial top view of FIG. 1;
FIG. 3 is a partial cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a perspective view taken along line A-A of FIG. 2;
fig. 5 is a perspective view of the conductive terminal of fig. 1;
fig. 6 is a schematic view of the conductive terminal with the carrier tape before being inserted into the body;
fig. 7 is a schematic view showing the protrusion crossing the position-limiting portion during the process of inserting the conductive terminal with the carrier tape into the body;
fig. 8 is a schematic view of the conductive terminal with the carrier tape in fig. 7 after the protrusion portion crosses the limiting portion;
fig. 9 is another schematic view of the conductive terminal before the conductive terminal rotates after the protruding portion of fig. 7 passes over the limiting portion;
fig. 10 is a schematic view of the conductive terminal before and after forward rotation.
The reference numbers illustrate:
the main body 1 of the electrical connector 100 is provided with a receiving groove 11
Inclined surface 121 of the groove wall 11a stopper 12
Supporting platform 15 of limiting part 14 of limiting groove 13
Material belt 200
[ detailed description ] embodiments
For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.
As shown in fig. 1 to 10, the electrical connector 100 of the present invention includes a body 1 and a plurality of conductive terminals 2.
As shown in fig. 1, the main body 1 is an integral structure that cannot be disassembled, and the main body 1 is made of an insulating material by injection molding.
As shown in fig. 1, 4 and 6, the body 1 has a plurality of receiving grooves 11 for receiving a plurality of conductive terminals 2. The plurality of the accommodating grooves 11 are arranged in a plurality of rows in the front-back direction, are arranged in a plurality of rows in the left-right direction, are aligned in the left-right direction of the accommodating grooves 11 in the same row, and are aligned in the front-back direction of the accommodating grooves 11 in the same row. Each of the receiving slots 11 vertically penetrates the body 1 and is closed at the periphery in the horizontal direction.
As shown in fig. 2 and 6, the groove walls 11a of the main body 1 on the left and right sides of the accommodating groove 11 are respectively provided with a blocking portion 12, a limiting groove 13 and a limiting portion 14 formed at the top of each limiting groove 13. In other embodiments, the body 1 may be provided with the blocking portion 12, the limiting groove 13 and the limiting portion 14 only on one groove wall 11a of the left and right sides of the accommodating groove 11, and the blocking portion 12 and the limiting groove 13 may be provided on groove walls 11a of the left and right sides of the accommodating groove 11 on different sides, or may be provided on groove walls 11a on the same side.
As shown in fig. 2 and 6, the blocking portion 12 protrudes from the left groove wall 11a or the right groove wall 11a of the accommodating groove 11, the upper end of the blocking portion 12 has an inclined surface 121, the inclined surface 121 extends from top to bottom toward the other groove wall 11a on the left and right sides of the accommodating groove 11, the bottom of the inclined surface 121 is lower than the center line of the body 1 in the vertical direction, and in this embodiment, the top end of the inclined surface 121 starts from the groove wall 11a of the accommodating groove 11.
As shown in fig. 2 and 6, the limit groove 13 is recessed relative to the groove wall 11a corresponding to the receiving groove 11, such that the limit portion 14 is formed at the top of the limit groove 13, that is, the limit portion 14 is flush with the groove wall 11a of the receiving groove 11, and in this embodiment, the limit groove 13 extends downward to the bottom of the receiving groove 11. The blocking portion 12 on the same side of the accommodating groove 11 is located in front of the corresponding limiting groove 13, and the two are spaced apart from each other by a certain distance in the front-rear direction.
As shown in fig. 3, 4 and 6, the body 1 is further provided with a supporting platform 15 corresponding to the bottom of each receiving slot 11, the body 1 is provided with an opening 16 formed by downwardly recessing from the upper surface of the supporting platform 15, the opening 16 is communicated with the two limiting portions 14 at the left and right sides of the receiving slot 11, in this embodiment, the opening 16 penetrates the supporting platform 15 up and down. The upper surface of the rear portion of the tray table 15 is arc-shaped, that is, the upper surface of the portion of the tray table 15 behind the opening 16 is arc-shaped, the tray table 15 is connected with the rear side groove wall 11a of the accommodating groove 11 through an arc surface, the front portion of the tray table 15 is not connected with the front side groove wall 11a of the accommodating groove 11, and the accommodating groove 11 extends to the bottom of the body 1 between the front portion of the tray table 15 and the front side groove wall 11 a.
As shown in fig. 2 and 5, the left and right sides of the receiving groove 11 are respectively provided with a guiding inclined surface 17 at the upper end thereof, a portion of the guiding inclined surface 17 is formed on the stopper portion 14, and another portion is connected to the blocking portion 12 downward, that is, the guiding inclined surface 17 is connected to the inclined surface 121 downward.
As shown in fig. 2 to 5, the conductive terminals 2 are received in the receiving slots 11. Conductive terminal 2 is the sheet metal stamping forming, each conductive terminal 2 has one and goes up contact arm 21, contact arm 22 and connecting portion 23 down, connecting portion 23 is the arc and connects go up the rear end of contact arm 21 with the rear end of contact arm 22 down. The upper contact arm 21 and the lower contact arm 22 are located between the two limiting grooves 13.
As shown in fig. 2 to 5, two protrusions 211 are disposed on the left and right sides of the upper contact arm 21, each protrusion 211 horizontally protrudes outward along the left-right direction to be received in the corresponding limiting groove 13 and is lower than the limiting portion 14, in this embodiment, the two protrusions 211 on the left and right sides of the upper contact arm 21 are aligned left and right, but in other embodiments, the two protrusions may be disposed offset left and right.
As shown in fig. 3 and 5, the upper contact arm 21 has an upper contact portion 212 at a front end thereof, the upper contact portion 212 is bent upward relative to a rear end of the upper contact arm 21 and protrudes upward out of the receiving slot 11, the upper contact portion 212 is used to electrically connect a chip module (not shown), and the upper contact portion 212 is disposed farther from the connecting portion 23 than the protruding portion 211.
As shown in fig. 5 and 8, a guiding portion 211a is disposed at a rear side of the protruding portion 211, in this embodiment, the guiding portion 211a is arc-shaped, and in other embodiments, the guiding portion can be other shapes, such as an inclined plane. The width of the upper contact arm 21 in the left-right direction at the projection 211 is larger than the distance between the two stoppers 14 in the left-right direction. In another embodiment, the accommodating groove 11 is provided with the stopper portion 14 on only one side wall 11a thereof, and the upper contact arm 21 is provided with the protrusion portion 211 on only one side thereof, and at this time, the width of the upper contact arm 21 in the left-right direction at the protrusion portion 211 is larger than the distance between the stopper portion 14 and the other side wall 11a of the left and right side walls of the accommodating groove 11 in the left-right direction.
As shown in fig. 2 to 5, two stopping portions 221 are disposed on the left and right sides of the lower contact arm 22, the stopping portions 221 are located behind the stopping portions 12 and in front of the limiting groove 13, the left and right width of the lower contact arm 22 at the stopping portions 221 is greater than the distance between the two stopping portions 12, and the stopping portions 12 limit the forward displacement of the stopping portions 221. In this embodiment, the stop portions 221 are step surfaces formed on the edge of the lower contact arm 22, and two stop portions 221 on the lower contact arm 22 are arranged in a left-right alignment manner, but in other embodiments, the two stop portions 221 may also be arranged in a left-right offset manner, and the stop portions 221 may also be structures that the lower contact arm 22 protrudes outward in the left-right direction.
As shown in fig. 2 to 5, the lower contact arm 22 is provided with a lower contact arm 22 at a front end thereof, the lower contact portion 222 is bent downward relative to the rear end of the lower contact arm 22, and protrudes downward out of the accommodating slot 11 between the front side slot wall 11a of the accommodating slot 11 and the supporting platform 15, the lower contact portion 222 is used for electrically connecting a circuit board (not shown), and the lower contact portion 222 is disposed farther from the connecting portion 23 than the stopping portion 221.
As shown in fig. 2 to 3, a distance between the front end of the upper contact arm 21 and the front side slot wall 11a of the receiving slot 11 is greater than a distance between the stopper 12 and the corresponding stopper 221, and a distance between the front end of the lower contact arm 22 and the front side slot wall 11a of the receiving slot 11 is greater than a distance between the stopper 12 and the corresponding stopper 221.
As shown in fig. 2 and 5, the conductive terminal 2 further has a slot 24 penetrating through the plate thickness direction, the slot 24 extends along the length direction of the conductive terminal 2 and penetrates through the upper contact arm 21, the connecting portion 23 and the lower contact arm 22, so that the portion of the conductive terminal 2 where the slot 24 is distributed can be compressed in the left-right direction, the slot 24 extends through between the two protrusions 211 and is juxtaposed with the two protrusions 211 in the left-right direction, and the slot 24 does not extend to the upper contact portion 212 and the lower contact portion 222 but extends along the conductive terminal 2 between the upper contact portion 212 and the lower contact portion 222.
Fig. 6 to 10 show a method for manufacturing the electrical connector 100 according to the foregoing embodiment.
As shown in fig. 6, the body 1 and the plurality of conductive terminals 2 are first provided, the body 1 may be formed by injection molding of an insulating material, and the conductive terminals 2 may be formed by stamping and cutting a metal plate. A material belt 200 is further provided, the material belt 200 is integrally connected to the other end of the upper contact arm 21 away from the connecting portion 23, i.e. the front end of the upper contact portion 212, and the material belt 200 may be formed integrally with the conductive terminal 2 by stamping and cutting a metal plate. An assembling device (not shown) assembles the conductive terminals 2 to the body 1 by operating the carrier tape 200.
As shown in fig. 6, the conductive terminal 2 is positioned below the tape 200 and the lower contact arm 22 is positioned in front of the upper contact arm 21, and then the conductive terminal 2 is inserted into the receiving slot 11 with the rear end of the connecting portion 23 facing downward.
As shown in fig. 7 and 8, the connecting portion 23 is guided by the guiding slope 17, and after the connecting portion 23 enters the receiving groove 11, it further enters the opening 16, and the protrusion 211 passes over the stopper portion 14. In the process that the protrusion 211 passes over the stopper 14, the guide portion 211a of the protrusion 211 abuts against the guide slope 17 at the stopper 14 to deform and compress the upper contact arm 21 toward the open groove 24, the width of the protrusion 211 is reduced to pass over the stopper 14 and enter the corresponding stopper groove 13, the upper contact arm 21 is restored after passing over the stopper 14, the protrusion 211 is stopped by the stopper 14, and the protrusion 211 is prevented from being separated upward from the stopper groove 13.
As shown in fig. 8 to 10, after the protrusion 211 enters the limiting groove 13, the connecting portion 23 is still located in the opening 16, and the connecting portion 23 is close to the front end of the opening 16, the protrusion 211 is close to the rear end of the limiting groove 13, when the strip 200 is operated to rotate the conductive terminal 2 forward, the connecting portion 23 is separated from the opening 16 by a gap between the connecting portion 23 and the rear end of the opening 16, and then cooperates with the upper surface of the rear end of the arc-shaped tray 15, so that the conductive terminal 2 can continue to rotate forward until the lower contact arm 22 is placed above the tray 15, and the lower contact portion 222 at the front end of the lower contact arm 22 protrudes downward out of the receiving groove 11 (as shown in fig. 3). During the rotation, the stopper 221 rotates from the upper rear side of the stopper 12 to the rear side of the stopper 12 from the top to the bottom, and then moves downward behind the stopper 12 until the lower contact arm 22 is placed on the pallet 15 and the protrusion 211 remains in the stopper groove 13.
In other embodiments, only one protrusion 211 may be disposed on the upper contact arm 21, and correspondingly, only one limiting groove 13 and one limiting portion 14 may be disposed on the body 1, and the protrusion 211, the limiting groove 13, and the limiting portion 14 are located on the same side with respect to the open slot 24. Similarly, only one of the stopper portion 221 and the stopper portion 12 may be provided. And the positions of the blocking part 12 and the blocking part 221 may be disposed behind the limiting groove 13. In addition, the upper contact portion 212 and the lower contact portion 222 may be provided at positions other than the front ends of the upper contact arm 21 and the lower contact arm 22, and protrude out of the receiving groove 11, for example, the middle portion of the lower contact arm 22 may be formed as the lower contact portion 222 and protrude downward out of the receiving groove 11, and two pallets 15 may be provided such that the front end of the lower contact arm 22 is placed on the front pallet 15 and the rear end of the lower contact arm 22 is placed on the rear pallet 15.
In summary, the electrical connector 100 and the manufacturing method thereof of the present invention have the following advantages:
(1) through being located the spacing portion 14 blocks above the upper contact arm 21 the bulge 211 of the upper contact arm 21 prevents the conductive terminal 2 from upwards withdrawing from the receiving groove 11, is located the saddle 15 below the lower contact arm 22 prevents the conductive terminal 2 from downwards withdrawing from the receiving groove 11, without setting a fixing structure (such as a bump in the background art) for limiting the deformation of the upper and lower contact arms 22 between the upper contact arm 21 and the lower contact arm 22, and at the same time, the entire conductive terminal 2 is positioned in the receiving groove 11 through the upper contact arm 21 and the lower contact arm 22, without fixing the conductive terminal 2 through the connecting portion 23, so that the height ratio of the connecting portion 23 is reduced, which is beneficial to the miniaturization of the conductive terminal 2 and the electrical connector 100, and the connecting portion 23 can also elastically deform in the process of the deformation of the conductive terminal 2, the elasticity of the conductive terminal 2 is increased.
(2) The distance between the front end of the lower contact arm 22 and the front groove wall 11a of the accommodating groove 11 is greater than the distance between the stopper 12 and the corresponding stopper 221, so that the lower contact arm 22 is prevented from touching the front groove wall 11a of the accommodating groove 11 during forward rotation in assembly.
(3) Two of the receiving grooves, the limiting grooves 13 are located on the left and right sides of the upper contact arm 21 and on the left and right sides of the lower contact arm 22, that is, the limiting grooves 13 extend downward from the upper contact arm 21 to the lower contact arm 22, so as to prevent the bottom of the limiting grooves 13 from limiting the downward movement of the protruding portion 211 to affect the upper contact arm 21 to contact the chip module.
(4) The stopping portion 12 stops the stopping portion 221 to limit the conductive terminal 2 from moving forward, and the rear wall 11a of the receiving slot 11 stops the connecting portion 23 to limit the conductive terminal 2 from moving backward.
(5) The opening 16 receives the connecting portion 23 during the process of inserting the conductive terminal 2 into the receiving slot 11, and plays a role in positioning during the inserting process and the subsequent rotating process.
(6) When the body 1 is adapted to the application scene of low height/thickness and the height/thickness of the body is reduced, the strength of the body 1 is inevitably reduced relatively, the conductive terminal 2 and the body 1 are assembled through the elastic deformation of the conductive terminal, and the body 1 is prevented from being damaged or the body 1 is disassembled in the assembling process, so that the overall strength of the body 1 is further reduced.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the equivalent contents of the present specification and drawings are included in the scope of the present invention.
Claims (20)
1. An electrical connector, comprising
The body is of an integrated structure and is provided with an accommodating groove, the accommodating groove vertically penetrates through the body and is sealed on the periphery in the horizontal direction, the groove walls of the body on the left side and the right side of the accommodating groove are respectively provided with a blocking part, a limiting groove and a limiting part formed at the top of each limiting groove, the blocking parts on the same side of the accommodating groove are positioned in front of the corresponding limiting grooves, and the bottom of the body corresponding to the accommodating groove is provided with a supporting platform;
the conductive terminal is accommodated in the accommodating groove and provided with an upper contact arm, a lower contact arm and a connecting part, the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm, the upper contact arm protrudes upwards out of the accommodating groove, the lower contact arm protrudes downwards out of the accommodating groove, two bulges are arranged on the left side and the right side of the upper contact arm, each bulge is correspondingly accommodated in one limiting groove and located below the corresponding limiting part and limited by the limiting part, the lower contact arm is placed above the supporting platform and limited by the supporting platform, two stopping parts are arranged on the left side and the right side of the lower contact arm, and the stopping parts are located behind the stopping parts and limited by the stopping parts in the front-back direction.
2. The electrical connector of claim 1, wherein: the body is provided with an opening which is formed by downwards concave from the upper surface of the supporting platform, and the opening is used for accommodating the connecting part in the process that the conductive terminal is assembled on the body.
3. The electrical connector of claim 1, wherein: the body is provided with an opening which vertically penetrates through the supporting platform, and the opening is communicated with the two limiting grooves on the left side and the right side of the accommodating groove.
4. The electrical connector of claim 1, wherein: the conductive terminal is provided with a slot positioned between the two convex parts, and the slot penetrates through the upper contact arm.
5. The electrical connector of claim 1, wherein: the blocking part on the same side of the containing groove is positioned in front of the corresponding limiting groove, and the containing groove and the limiting groove are arranged at intervals in the front-back direction.
6. The electrical connector of claim 5, wherein: the distance between the front end of the lower contact arm and the groove wall on the front side of the containing groove is larger than the distance between the blocking part and the corresponding blocking part.
7. The electrical connector of claim 1, wherein: the upper ends of the left side and the right side of the containing groove are respectively provided with a guide inclined plane, one part of the guide inclined plane is formed on the limiting part, and the other part of the guide inclined plane is downwards connected with the blocking part.
8. The electrical connector of claim 1, wherein: the convex part is formed by horizontally and outwards protruding along the left and right direction.
9. An electrical connector, comprising
The body is provided with an accommodating groove which vertically penetrates through the body, a limiting groove and a limiting part are formed on the top of the limiting groove on the groove wall of one of the left side and the right side of the accommodating groove, and a supporting platform is arranged at the bottom of the body corresponding to the accommodating groove;
the conductive terminal is assembled into the accommodating groove in a top-down mode and is provided with an upper contact arm, a lower contact arm and a connecting part, and the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm;
the upper contact arm protrudes out of the accommodating groove upwards, one of the left side and the right side of the upper contact arm is provided with a protruding part, the conductive terminal is provided with a slotted part penetrating through the upper contact arm, the slotted part and the protruding part are arranged in parallel left and right, the protruding part is correspondingly accommodated in the limiting groove and is positioned below the corresponding limiting part, the width of the upper contact arm at the protruding part along the left and right direction is greater than the distance between the limiting part and the groove wall at the other of the left side and the right side of the accommodating groove along the left and right direction, and the slotted part provides a yielding space for the upper contact arm to compress at the protruding part so that the protruding part passes over the limiting part downwards in the process that the conductive terminal is inserted into the accommodating groove downwards;
the lower contact arm is placed above the tray table and is limited by the tray table, and the lower contact arm protrudes downwards to form the accommodating groove.
10. The electrical connector of claim 9, wherein: the body is provided with an opening which is formed by downwards concave from the upper surface of the supporting platform and is used for accommodating the connecting part in the process that the conductive terminal is assembled on the body.
11. The electrical connector of claim 9, wherein: the body is provided with a blocking part on the groove wall of one of the left side and the right side of the containing groove, the blocking part is positioned in front of the limiting groove, the lower contact arm is provided with a blocking part, and the blocking part is positioned behind the blocking part and is limited by the blocking part in the front-back direction.
12. The electrical connector of claim 11, wherein: the distance between the front end of the lower contact arm and the groove wall on the front side of the containing groove is larger than the distance between the blocking part and the corresponding blocking part.
13. The electrical connector of claim 9, wherein: the upper surface of the rear end of the tray is arc-shaped, and the connecting part is arc-shaped, so that the conductive terminals can be matched with each other in the assembling process.
14. The electrical connector of claim 9, wherein: the rear side of the protruding part is provided with a guiding part, and the protruding part is guided to downwards cross the limiting part in the process that the rear end of the connecting part is inserted into the accommodating groove in a downward mode.
15. A method for manufacturing an electrical connector is characterized in that,
providing a body, wherein the body is provided with an accommodating groove which penetrates through the body from top to bottom, a limiting groove and a limiting part are formed on the top of the limiting groove on the groove wall of one of the left side and the right side of the accommodating groove of the body, and a supporting platform is arranged at the bottom of the body corresponding to the accommodating groove;
providing a conductive terminal, wherein the conductive terminal is provided with an upper contact arm, a lower contact arm and a connecting part, the connecting part is connected with the rear end of the upper contact arm and the rear end of the lower contact arm, and a protruding part is convexly arranged on one of the left side and the right side of the upper contact arm;
inserting the conductive terminal into the accommodating groove downwards, enabling the rear end of the connecting part to enter the accommodating groove in a downward mode, enabling the bulge part to pass over the limiting part downwards and be accommodated in the limiting groove, and limiting by the limiting part;
the conductive terminal is rotated forwards, the protruding portion is located in the limiting groove, the lower contact arm is placed above the supporting platform and limited by the supporting platform, the upper contact arm protrudes out of the accommodating groove, and the lower contact arm protrudes out of the accommodating groove downwards.
16. The method of manufacturing an electrical connector of claim 15, wherein: the body is provided with an opening which is formed by downwards concave setting from the upper surface of the supporting platform, and the connecting part enters the opening in the process of downwards inserting the conductive terminal into the accommodating groove.
17. The method of manufacturing an electrical connector of claim 16, wherein: after the connecting part enters the opening, the connecting part is close to the front end of the opening, and the protruding part is close to the rear end of the limiting groove.
18. The method of manufacturing an electrical connector of claim 15, wherein: the conductive terminal is provided with a slotted groove, the slotted groove vertically penetrates through the upper contact arm and is arranged in parallel with the convex part left and right, the left and right width of the upper contact arm at the convex part is larger than the distance between the limiting part and the groove wall at the other side of the left side wall and the right side wall of the accommodating groove, the convex part is abutted against the limiting part and enables the upper contact arm to deform and compress towards the slotted groove in the process that the convex part crosses the limiting part, the upper contact arm recovers after crossing the limiting part, and the convex part enters the limiting groove.
19. The method of manufacturing an electrical connector of claim 15, wherein: providing a material belt, wherein the material belt is integrally connected with the upper contact arm and is far away from the other end of the connecting part, so that the conductive terminal is positioned below the material belt, the lower contact arm is positioned in front of the upper contact arm, then the conductive terminal is downwards inserted into the accommodating groove, and then the material belt rotates forwards to remove the material belt after rotation is completed.
20. The method of manufacturing an electrical connector of claim 15, wherein: the body is provided with a blocking part in front of the limiting groove, the blocking part is positioned in the accommodating groove and is arranged at a front-back interval of the limiting groove, the blocking part and the lower contact arm are provided with a blocking part, and in the process of forward rotating the conductive terminal, the blocking part rotates from the top rear of the blocking part to the rear of the blocking part from top to bottom and then moves downwards behind the blocking part.
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| CN202111216260.9A CN114069303B (en) | 2021-10-19 | 2021-10-19 | Electric connector and manufacturing method thereof |
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| CN202111216260.9A CN114069303B (en) | 2021-10-19 | 2021-10-19 | Electric connector and manufacturing method thereof |
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| CN114069303B CN114069303B (en) | 2023-09-22 |
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| Publication number | Publication date |
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| CN114069303B (en) | 2023-09-22 |
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