CN108847539B

CN108847539B - Electric connector

Info

Publication number: CN108847539B
Application number: CN201810480798.2A
Authority: CN
Inventors: 黄常伟
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2018-05-18
Filing date: 2018-05-18
Publication date: 2019-11-26
Anticipated expiration: 2038-05-18
Also published as: CN108847539A

Abstract

The invention discloses a kind of electric connectors, to be electrically conducted a chip module to a circuit board characterized by comprising an insulating body is set on circuit board, has an at least container；An at least terminal is set to container and is electrically connected with circuit board, there is terminal a base portion to be fixed on container, extend one to the side of container from base portion and compresses arm, one first elastic arm is upwardly extended towards the other side of container and connects the abutment arms that the first elastic arm extends downwardly, first elastic arm is revealed in insulating body to connect chip module, before chip module installation, abutment arms abut container at its first position, chip module installation front and back, abutment arms abut container in its second place.The present invention abuts container before and after chip module installation by using abutment arms, to prevent terminal over-deflection in the horizontal direction, the conductive sheet on terminal and chip module is avoided to misplace, and guarantees the good in electrical contact of terminal and chip module.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, espespecially a kind of terminal is electrically connected more stable be electrically connected with chip module Device.

Background technique

A kind of electric connector that industry is commonly used is for electrically connecting to a chip module a to circuit board, the electric connector With an insulating body and multiple conductive terminals, insulating body is equipped with the corresponding multiple conductive terminals of accommodating of multiple containers.This is led The basic structure of electric terminal are as follows: conductive terminal has a base portion, bends to the right from the lower horizontal of the base portion and extends to form one Arm is compressed, the end that arm is compressed described in, which is bent downward, extends to form a weld part, prolongs from the upper right bending of the base portion It stretches to form one first elastic arm and form a contact portion to connect the chip module, certainly in the end of first elastic arm The contact portion straight down just bending extend to form one second elastic arm and from the end of second elastic arm to the left lower section The third elastic arm extended to form to bending, when the chip module pushes the conductive terminal, the third elastic arm Arm is compressed described in abutting.

However, when the chip module is not mounted to the electric connector, second elastic arm and the third bullet Property arm is not all abutted with the container, and therefore, only there is fixing effect in base portion side to the conductive terminal to the container, therefore And fixing effect is poor, and when the chip module is installed to the electric connector, second elastic arm and the third bullet Property arm is not also all abutted with the container, therefore, the conductive terminal can freely be moved horizontally in the container and Not by the cell wall of the container stop and the container only side provides the terminal upward positive force, and the other side It can not provide, so, when the chip module is installed to the electric connector, the contact portion of the conductive terminal and the core Unstable and the conductive terminal contact portion may if abutting when receiving external impacts between the conductive sheet in piece module There is a phenomenon where on the chip module conductive sheet dislocation, not can guarantee conductive terminal can on the chip module Conductive sheet accurately docks, to influence electric connector and the stable electric connection of chip module.

Therefore, it is necessary to a kind of electric connector of improvement be designed, to overcome the above problem.

Summary of the invention

For background technique problem encountered, the present invention is by using by the second elastic arm of conductive terminal and third bullet Property arm chip module installation before and after is abutted respectively with container, and it is an object of the present invention to provide a kind of conductive terminal hold it is more stable and Conductive terminal and chip module are electrically connected more stable electric connector.

To achieve the above object, the present invention uses following technological means:

A kind of electric connector, to be electrically conducted a chip module to a circuit board characterized by comprising

One insulating body is set on the circuit board, has an at least container；

An at least terminal is set to the container and is electrically connected with the circuit board, and there is the terminal base portion to fix In the container, extends one from the base portion to the side of the container and compress arm, then towards the another of the container Side upwardly extends the abutment arms that one first elastic arm and connection first elastic arm extend downwardly, and first elastic arm is aobvious The insulating body is exposed to connect the chip module, the abutment arms include one second elastic arm and from second bullet Property arm downwards and to it is described compress arm extend a third elastic arm, when the chip module installation before, the abutment arms are in it The container is abutted at first position, after the chip module installation, described in the abutment arms are abutted in its second place Container, the third elastic arm, which supports, described compresses arm.

Further, the end of first elastic arm is equipped with a contact portion, and the contact portion is equipped with a fluting and described opens Slot part runs through the abutment arms.

Further, the arm that compresses upwardly extends to be formed from the base portion towards the side of the container, when the chip When module pushes the terminal, the third elastic arm is mobile and supports and described compresses arm.

Further, the container is equipped with one first cell wall being oppositely arranged and one second cell wall and connection described first Cell wall and second cell wall and the third cell wall and one the 4th cell wall being oppositely arranged, the first cell wall projection form a limit Position platform, described compress are equipped with a limiting section between arm and first elastic arm, the limiting section and limiting stand cooperation are anti- Only the terminal moves down.

Further, one first abutting part, Yu Suoshu second are equipped between second elastic arm and the third elastic arm The top of elastic arm forms one second abutting part, and when the chip module is not mounted to the electric connector, described first is supported Socket part abuts second cell wall, and when the chip module is installed to the electric connector, second abutting part abuts institute State the second cell wall.

Further, all there are two abutments before and after chip module installation for first abutting part and second abutting part Abut second cell wall.

Further, chip module installation front and back, first abutting part and second abutting part are all with described the Two cell walls abut, and the position that first abutting part abuts second cell wall abuts second slot with second abutting part The position of wall is located at same level.

Further, the third cell wall and the 4th cell wall distinguish one recess walls of the recessed formation in part, the recess walls Second cell wall is connected, the width of second cell wall is greater than first cell wall.

Further, part first elastic arm and second elastic arm and part the third elastic arm are set to institute It states recess walls and second cell wall encloses in the space set.

Further, it from one groove of the recessed formation in the lower section of the recess walls, upwardly extends to be formed from the two sides of the base portion One stop section, the stop section are contained in the groove, and terminal described in block moves up.

Further, the end of the third elastic arm forms a third abutting part, when the chip module is not mounted to institute When stating electric connector, the third abutting part is close to the base portion, when the chip module is installed to the electric connector, institute It states and compresses arm described in third abutting part abutting, and the third abutting part and the abutment for compressing arm are relative to the base portion Closer to the limiting section.

Further, it is formed down a weld part from the base portion, the weld part has two clamping parts to clamp a weldering Material, the solder is closer to second cell wall.

Compared with prior art, the invention has the following advantages:

The present invention forms described first with the junction of the third elastic arm by using second elastic arm and abuts Point, when the chip module is not mounted to the electric connector, first abutment abuts second cell wall, and institute The top for the limiting stand that limiting section is located on first cell wall is stated, the base portion is placed in described in the recess walls Groove is held so set, the container then has the terminal there are three position jointly, thus fixing effect is more excellent, when When the chip module is installed to the electric connector, the top of second elastic arm is formed described in one second abutting part abuts Second cell wall prevents terminal over-deflection in the horizontal direction, therefore avoids on the terminal and the chip module Conductive sheet dislocation, to ensure that good in electrical contact between the terminal and the chip module.

[Detailed description of the invention]

Fig. 1 is the perspective exploded sectional view of electric connector of the present invention；

Fig. 2 is the stereoscopic schematic diagram of terminal structure；

Fig. 3 is terminal accommodating inverted stereoscopic schematic diagram when insulating body；

Fig. 4 is the part plan top view of Fig. 3；

Fig. 5 is cross-sectional view when chip module is not mounted to electric connector；

Fig. 6 is cross-sectional view when chip module is installed to electric connector；

Fig. 7 is the contrast schematic diagram before terminal is pressurized and after being pressurized.

The drawing reference numeral of specific embodiment illustrates:

Electric connector 100	Chip module 200	Circuit board 300
			Insulating body 1	Upper surface 11	Lower surface 12
Receiving area 13	Container 14	First cell wall 141
			Second cell wall 142	Third cell wall 143	4th cell wall 144
Limiting stand 1411	Recess walls 145	Groove 1451
			Convex block 146	Inclined-plane 147	Terminal 2
Base portion 21	Stop section 22	Weld part 23
			Clamping part 231	Solder 3	Compress arm 24
Limiting section 25	First elastic arm 26	Contact portion 27
			Abutment arms A	Second elastic arm 28	Third elastic arm 29
Fluting 271	First abutting part 281	Second abutting part 272
			Third abutting part 291

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation The invention will be further described for mode.

It as shown in Figures 1 to 7, is the first embodiment of electric connector of the present invention, electric connector 100 of the invention is to electricity Property connection one chip module, 200 to one circuit board 300, the electric connector 100 include an insulating body 1 and be set to the insulation Multiple terminals 2 of ontology 1.

Shown in as shown in Figure 1, Figure 3 and Figure 4, definition X-axis is front-rear direction, and Y-axis is left and right directions, and Z axis is up and down direction, described Insulating body 1 is equipped with a upper surface 11 and a lower surface 12, from downward one receiving area 13 of recessed formation in the upper surface 11, institute It states receiving area 13 and is equipped with multiple containers 14 through the upper surface 11 and the lower surface 12, multiple containers 14 It is in the longitudinal direction in multiple rows of setting, the adjacent two rows container 14 is in shift to install.Each container 14 has one One third cell wall of the first cell wall 141, one second cell wall 142 and connection first cell wall 141 and second cell wall 142 143 and one the 4th cell wall 144, first cell wall 141 be oppositely arranged with second cell wall 142 or so, the third cell wall 143 be oppositely arranged before and after the 4th cell wall 144.Each container 14 has from the 141 projection shape of the first cell wall At a limiting stand 1411, the limiting stand 1411 and the third cell wall 143 and the 4th cell wall 144 are adjacent, the third Cell wall 143 and the 4th cell wall 144 distinguish one recess walls 145 of the recessed formation in part, and the recess walls 145 connect described second Cell wall 142, therefore the width of second cell wall 142 is greater than first cell wall 141, it is recessed from the lower section of the recess walls 145 If forming a groove 1451, the groove 1451 runs through the lower section of the container 14.

As shown in Figure 3 and Figure 4, the plane of the left side plane of the groove 1451 and first cell wall 141 is located at same Perpendicular and the width of the groove 1451 in the lateral direction are greater than the width of the limiting stand 1411, the insulating body 1 forms a convex block from downward one receiving area 13 of recessed formation in the lower surface 12, the bottom projection of each container 14 146, the bottom surface of the convex block 146 is flush with the lower surface 12, and the convex block 146 connects two receipts in the up-down direction Tank 14, the width of the convex block 146 in above-below direction are equal to the distance between adjacent described recess walls 145 in up and down direction, The convex block 146 left side plane with second cell wall 142 is on same perpendicular and the convex block 146 is on right side Plane and first cell wall 141 are on same perpendicular.

The bottom of each container 14 is designed with two inclined-planes 147 and is respectively arranged on the third cell wall 143 and described the Four cell walls 144 and the inclined-plane 147 are separately connected second cell wall 142 and the groove 1451 in the lateral direction.

As shown in Figure 1 and Figure 2, multiple terminals 2 are correspondingly arranged in multiple containers 14, and each terminal 2 has There is a base portion 21, the base portion 21 is placed in the groove 1451, upwardly extends to form a block from the two sides of the base portion 21 Portion 22, the stop section 22 are located at the lower section of 1451 coboundary of groove, move up to terminal 2 described in block, from the base Portion 21 is formed down a weld part 23, and the weld part 23 has two clamping parts extended to form towards second cell wall 142 231 to clamp a solder 3, and the solder 3 relative to the first cell wall 141 closer to second cell wall 142.

From the base portion 21 to upper left, inclination bending extends to form one and compresses arm 24, compresses arm 24 described in and is bent up Folding extends to form a limiting section 25, and the limiting section 25 is located at the top of the limiting stand 1411 to prevent under the terminal 2 It moves, from the limiting section 25 to upper right, bending extends to form one first elastic arm 26 and in the end of first elastic arm 26 End forms a contact portion 27 to connect the chip module 200 to the circuit board 300, and the contact portion 27 is relative to described First cell wall 141 is closer to second cell wall 142 and is placed in the recess walls 145, is turned under from the contact portion 27 Folding extends to form an abutment arms A, the abutment arms include one second elastic arm 28 and from second elastic arm 28 downwards and to The third elastic arm 29 for compressing the extension of arm 24, second elastic arm 28 and part the third elastic arm 29 are contained in The recess walls 145 are equipped with a fluting 271 from the contact portion 27, and the fluting 271 is from the contact portion 27 through described the Two elastic arms 28 and the third elastic arm 29 is extended partially into, be arranged such, it is possible to increase the contact portion 27 and described second The positive force of elastic arm 28 ensure that the good electric connection between chip module 200 to increase elastic force.

As shown in Figure 5 and Figure 6, the junction of the second elastic arm of Yu Suoshu 28 and the third elastic arm 29 forms one first Abutting part 281, when the chip module 200 is not mounted to the electric connector 100, first abutting part 281 abuts institute The second cell wall 142 is stated, when the chip module 200 installation to the electric connector 100, first abutting part 281 then takes off From the abutting with second cell wall 142.One second abutting part 272 is formed in the lower right side of the contact portion 27, when the core When piece module 200 is not mounted to the electric connector 100, second abutting part 272 is revealed in 14 top of container, when When the installation of chip module 200 to the electric connector 100, second abutting part 272 abuts second cell wall 142, And first abutting part 281 abuts the position of second cell wall 142 and abuts second slot with second abutting part 272 The position of wall 142 is located at same level (referring to Fig. 7), and first abutting part 281 and second abutting part 272 are in institute Stating the installation of chip module 200 front and back, all there are two abutments with second cell wall 142.In the end of the third elastic arm 29 It is bent to form a third abutting part 291, when the chip module 200 is not mounted to the electric connector 100, the third is supported Socket part 291 is located at the top of the stop section 22, during the chip module 200 is installed to the electric connector 100, The third abutting part 291 compresses the right end of arm 24 described in first contacting, and slides on arm 24 to upper left in described compress later Until installation is to the electric connector 100 completely for the chip module 200, the third abutting part 291 is compressed with described at this time The abutment of arm 24 is located at the left side at the midpoint for compressing arm 24 and relative to second cell wall 142 closer to described first Cell wall 141, so set, second cell wall 142 can the offset of the second abutting part 272 in the longitudinal direction described in block, It avoids the contact portion 27 to misplace with the conductive sheet on the chip module 200, to ensure that good electric connection.

In conclusion electric connector 100 of the invention have it is following the utility model has the advantages that

(1) junction of second elastic arm 28 and the third elastic arm 29 forms first abutting part 281, when When the chip module 200 is not mounted to the electric connector 100, first abutting part 281 abuts second cell wall 142, and the limiting section 25 is located at the top of the limiting stand 1411 on first cell wall 141, and the base portion 21 holds The groove 1451 being placed in the recess walls 145, so set, the container then has the terminal 2, there are three positions Common fixing is set, thus fixing effect is more excellent.

(2) when the chip module 200 is not mounted to the electric connector 100, first abutting part 281 abuts institute The second cell wall 142 is stated, therefore, second cell wall 142 can provide upward positive force to the terminal 2, when the chip When module 200 pushes the terminal 2, so that the contact between the contact portion 27 and the chip module 200 is relatively reliable.

(3) lower right of the contact portion 27 is equipped with second abutting part 272, when the chip module 200 is installed extremely When the electric connector 100, second abutting part 272 abuts second cell wall 142, so set, due to by described The block of second cell wall 142 acts on, and can prevent the terminal 2 over-deflection in the horizontal direction, therefore avoid the terminal 2 It misplaces with the conductive sheet on the chip module 200, to ensure that good between the terminal 2 and the chip module 200 It is good in electrical contact.

(4) when the chip module 200 pushes the terminal 2, the third abutting part 291, which abuts, described compresses arm 24, since the arm 24 that compresses is to be obliquely installed, in background technique compress arm it is horizontally disposed compared with, the third abuts Portion 291 and the positive force compressed between arm 24 are bigger, can guarantee steady contact between the two, to ensure that described The binary channel of terminal 2 works normally, and reduces the self-induction of the terminal 2, improves high frequency performance.

(5) junction is equipped with the fluting 271, and the fluting 271 is through second elastic arm 28 and part is prolonged The third elastic arm 29 is extended to, so set, reducing the width of the contact portion 27, is increasing the contact portion 27 just Xiang Li, so that 27 elastic force of contact portion is improved, so that the contact portion 27 and the contact of the chip module 200 are more steady It is fixed, it ensure that good in electrical contact between the terminal 2 and the chip module 200.

Be described in detail above be only the preferred embodiments of the invention explanation, non-therefore limitation the scope of the patents of the invention, So all equivalence techniques with carried out by this creation specification and diagramatic content change, it is both contained in the scope of the patents of the invention It is interior.

Claims

1. a kind of electric connector, to be electrically conducted a chip module to a circuit board characterized by comprising

One insulating body is set on the circuit board, has an at least container；

An at least terminal is set to the container and is electrically connected with the circuit board, and there is the terminal base portion to be fixed on institute Container is stated, extends one from the base portion to the side of the container and compresses arm, then towards the another lateral of the container The upper abutment arms for extending one first elastic arm and connection first elastic arm and extending downwardly, first elastic arm are revealed in For the insulating body to connect the chip module, the abutment arms include one second elastic arm and from second elastic arm Downwards and to it is described compress arm extend a third elastic arm, when the chip module installation before, the abutment arms in its first The container is abutted at position, after the chip module installation, the abutment arms abut the receiving in its second place Slot, the third elastic arm, which supports, described compresses arm.

2. electric connector as described in claim 1, it is characterised in that: the end of first elastic arm is equipped with a contact portion, The contact portion is equipped with a fluting and the slotted section runs through the abutment arms.

3. electric connector as described in claim 1, it is characterised in that: the arm that compresses is from the base portion towards the container Side upwardly extends to be formed, and when the chip module pushes the terminal, the third elastic arm is mobile and supports described support Pressure arm.

4. electric connector as described in claim 1, it is characterised in that: the container is equipped with one first cell wall being oppositely arranged With one second cell wall and connection first cell wall and second cell wall and the third cell wall being oppositely arranged and one the 4th Cell wall, the first cell wall projection form a limiting stand, and described compress is equipped with a limiting section between arm and first elastic arm, The limiting section prevents the terminal from moving down with limiting stand cooperation.

5. electric connector as claimed in claim 4, it is characterised in that: between second elastic arm and the third elastic arm Equipped with one first abutting part, the top of the second elastic arm of Yu Suoshu forms one second abutting part, when the chip module is not installed When to the electric connector, first abutting part abuts second cell wall, installs when the chip module to described and is electrically connected When connecing device, second abutting part abuts second cell wall.

6. electric connector as claimed in claim 5, it is characterised in that: first abutting part and second abutting part are in core All there are two abutments to abut second cell wall for piece module installation front and back.

7. electric connector as claimed in claim 5, it is characterised in that: chip module installation front and back, described first abuts Portion is all abutted with second cell wall with second abutting part, first abutting part abut the position of second cell wall with The position that second abutting part abuts second cell wall is located at same level.

8. electric connector as claimed in claim 5, it is characterised in that: the third cell wall and the 4th cell wall distinguish part One recess walls of recessed formation, the recess walls connect second cell wall, and the width of second cell wall is greater than first slot Wall.

9. electric connector as claimed in claim 8, it is characterised in that: part first elastic arm and second elastic arm And the part third elastic arm is set to the recess walls and second cell wall encloses in the space set.

10. electric connector as claimed in claim 9, it is characterised in that: from one groove of the recessed formation in the lower section of the recess walls, It upwardly extends to form a stop section from the two sides of the base portion, the stop section is contained in the groove, on terminal described in block It moves.

11. electric connector as claimed in claim 5, it is characterised in that: the end of the third elastic arm forms a third and supports Socket part, when the chip module is not mounted to the electric connector, the third abutting part is close to the base portion, when the core When piece module is installed to the electric connector, the third abutting part abut described in compress arm, and the third abutting part and institute It states and compresses the abutment of arm relative to the base portion closer to the limiting section.

12. electric connector as claimed in claim 4, it is characterised in that: be formed down a weld part, the weldering from the base portion Socket part has two clamping parts to clamp a solder, and the solder is closer to second cell wall.