CN107768870A

CN107768870A - Electric connector

Info

Publication number: CN107768870A
Application number: CN201710956498.2A
Authority: CN
Inventors: 蔡友华; 朱德祥
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2017-10-16
Filing date: 2017-10-16
Publication date: 2018-03-06
Anticipated expiration: 2037-10-16
Also published as: CN107768870B

Abstract

The invention discloses a kind of electric connector, including：One insulating body, a receiving space is arranged with downwards；One casting die, the receiving space is slidably contained in, the casting die has a slot and two the first side walls positioned at the slot opposite sides, and the first side wall has multiple accepting grooves, the accepting groove connects with the slot, and the first side wall has an at least pressure section；There is a fixed part to be fixed on the insulating body for multiple terminals, the terminal, and the fixed part extends to form an elastic arm, and the elastic arm has a contact site, and the contact site is contained in the accepting groove；Wherein, the pressure section is located at the outside of the elastic arm, the slot is located at the inner side of the elastic arm, when the abutment element is contained in the slot, when promoting the casting die to move down, the pressure section makes the elastic arm be driven the contact site mobile to the abutment element by the power for pointing to inner side from outside and be contacted with abutment element, establish and be electrically connected with.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, refers in particular to a kind of electric connector for improving electric connection mode.

Background technology

A kind of existing electric connector commonly used, including an insulating body, multiple terminals, wherein a sliding block, terminal have one Contact site and an extension, extension are extended by contact site and formed, and sliding block is contained in insulating body and has a slot and be located at The guiding block of slot opposite sides, the outside of guiding block have one it is vertical compress face and an inclined-plane, the face of compressing compresses extension, Inclined-plane is compressing more than face and intersected with compressing face, more than inclined-plane allows bit space for one, when electronic card insertion slot pushes sliding block Move down, extension opposing slider moves up, when extension cross inclined-plane and compress face intersection after, extension no longer by To the spacing of the face that compresses, terminal resilience under natural resiliency effect, enter along inclined-plane and allow bit space, drive contact site close and connect Electric shock subcard, it is electrically connected with so as to establish.

However, after contact site and electronic card are completed to be electrically connected with, extension convexedly stretches in circuit, is not involved in being electrically connected with, Form redundancy, performance issue be easily caused in frequency applications, moreover, terminal only relies on the elasticity of itself, resilience close to electronic card, It is easily caused the problem of terminal is with electronic card loose contact.

Therefore, it is necessary to a kind of new electric connector is designed, to overcome above mentioned problem.

The content of the invention

The creation purpose of the present invention is to provide a kind of electric connector for improving electric connection mode.

In order to achieve the above object, the present invention adopts the following technical scheme that：

A kind of electric connector, with an abutment element grafting, it is characterised in that including：One insulating body, a collecting is arranged with downwards Space；One casting die, is slidably contained in the receiving space, and the casting die has a slot and positioned at the slot opposite sides Two the first side walls, the first side wall has multiple accepting grooves, and the accepting groove connects with the slot, the first side wall With an at least pressure section；There is a fixed part to be fixed on the insulating body for multiple terminals, the terminal, and the fixed part prolongs Stretch to form an elastic arm, the elastic arm has a contact site, and the contact site is contained in the accepting groove；Wherein, the pressure section Positioned at the outside of the elastic arm, the slot is located at the inner side of the elastic arm, when the abutment element is contained in the slot, pushes away When the dynamic casting die moves down, the pressure section makes the elastic arm be driven the contact by the power for pointing to inner side from outside Portion is mobile to the abutment element and is contacted with abutment element, establishes and is electrically connected with.

Further, the contact site is in the free terminal of the elastic arm.

Further, the contact site is a plane.

Further, the abutment element is an electronic card, and the electronic card has multiple conducting strips, the conducting strip and institute The lower edge for stating contact site fitting and the conducting strip is limited within scope in the outer rim of the contact site.

Further, the casting die has a roof, and the pressure section is protruded out downwards by the roof and formed.

Further, the pressure section is contained in the accepting groove and the corresponding pressure section of each accepting groove.

Further, the pressure section is flexible.

Further, the pressure section compresses the free terminal of the elastic arm.

Further, the receiving space is enclosed to set and formed by the multiple second sidewalls and a bottom wall of the insulating body, and institute Stating has multiple boss in receiving space, the boss connects the second sidewall and the bottom wall.

Further, the outside of the first side wall has multiple clamping parts, has multiple grooves on the inside of the second sidewall, The clamping part is clasped with the groove.

Further, the second sidewall upper limb has multiple slots to make way, and the slot to make way corresponds to the clamping part, with toilet State casting die and enter the receiving space.

Further, the electric connector is provided with least two elastomers.

Further, the pressure section is protruded outward by the first side wall and formed.

Further, the elastomer is clamped by the pressure section and the boss, when the process that the casting die moves down In, the elastomer is deformed upon by the pressure section and boss extruding, the elastomer compress the terminal make it is described Contact site is close and contacts the abutment element.

Further, the elastomer compresses the position of the terminal between the contact site and the fixed part.

Further, the elastomer is immobilizated in the first side wall and is contained in the accepting groove.

Further, the elastomer compresses the elastic arm in the casting die folding process.

Further, the material of the elastomer is silica gel.

Compared with prior art, the invention has the advantages that：The contact site is in the freely end of the terminal End, after the terminal and abutment element completion electric connection, no redundance convexedly stretches in circuit, improves high frequency Can, stub effects are such as avoided, secondly, the terminal is supported by external force, it is ensured that the terminal is consolidated with the abutment element and connect Touch, avoid contact with the problem of bad.

【Brief description of the drawings】

Fig. 1 is the three-dimensional exploded view of electric connector of the present invention；

Fig. 2 is the stereogram of electric connector of the present invention；

Fig. 3 is the stereogram that electric connector of the present invention inserts abutment element；

Fig. 4 is the sectional view of A-A along the first embodiment of electric connector of the present invention, and wherein terminal is not in contact with abutment element；

Fig. 5 is the sectional view of A-A along the first embodiment of electric connector of the present invention, wherein termination contact abutment element；

Fig. 6 is the sectional view of A-A along the second embodiment of electric connector of the present invention, and wherein terminal is not in contact with abutment element；

Fig. 7 is the sectional view of A-A along the second embodiment of electric connector of the present invention, wherein termination contact abutment element；

Fig. 8 is the sectional view of A-A along the 3rd embodiment of electric connector of the present invention, and wherein terminal is not in contact with abutment element；

Fig. 9 is the sectional view of A-A along the 3rd embodiment of electric connector of the present invention, wherein termination contact abutment element；

Figure 10 is the sectional view of A-A along the fourth embodiment of electric connector of the present invention.

The drawing reference numeral explanation of embodiment：

Casting die 10	Slot 11	The first side wall 12
			Accepting groove 121	Clamping part 122	Pressure section 123
Compress face 1231	Top 124
			Insulating body 20	Receiving space 21	Bottom wall 22
Holding slot 221	Second sidewall 23	Groove 231
			Spacing terrace 2311	Slot to make way 232	Boss 24
Terminal 30	Fixed part 31	Elastic arm 32
			Contact site 321	Compression zone 322	Elastomer 40
Abutment element 5	Conducting strip 51	Circuit board 6

【Embodiment】

For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with the drawings and specific embodiments The invention will be further described.

Fig. 1 to Fig. 3 is referred to, electric connector of the invention is mountable on circuit board 6 so that an abutment element 5 is inserted, It includes the insulating body 20 of a lengthwise, is contained in a casting die 10 of the insulating body 20 and is fixed on the insulating body Multiple terminals 30.

Fig. 1 to Fig. 5 is referred to, in the first embodiment, the insulating body 20 has a receiving space 21, a bottom wall 22 With two second sidewalls 23.The receiving space 21 is enclosed to set by the bottom wall 22 and the second sidewall 23 to be formed.The bottom wall 22 With multiple holding slots 221, the inner side of the second sidewall 23 has multiple grooves 231, one end connection institute of the groove 231 Holding slot 221 is stated, its other end forms a spacing terrace 2311 with the second sidewall 23.The second sidewall has multiple allow Position groove 232, the slot to make way 232 are located at the groove more than 231 and form an opening, and institute in the upper limb of second sidewall 23 The lower end for stating slot to make way 232 is an inclined-plane.The insulating body 20 also has multiple boss 24, and the boss 24 is contained in described Receiving space 21 and the connection bottom wall 22 and the second sidewall 23；

Referring to Fig. 1, Fig. 4 and Fig. 5, the casting die 10, is slidably contained in the receiving space 20.The casting die 10 is arranged with One slot 11, to house the abutment element 5, the opposite sides of the slot 11 has two the first side walls 12, and described first Side wall 12 is provided with multiple accepting grooves 121, and the accepting groove 121 connects the slot 11 and the receiving space 21.

Refer to Fig. 4 and Fig. 5, the outside of the first side wall 12 has multiple clamping parts 122, under the clamping part 122 It is an inclined-plane to coordinate with the slot to make way 232 to hold, so that the casting die 10 can smoothly be contained in institute in an assembling process State insulating body 20；The upper end of clamping part 122 be a plane to coordinate with the spacing terrace 2311, to prevent the pressure Part 10 departs from after completing to assemble from the receiving space 21.

Fig. 4 and Fig. 5 are referred to, the first side wall 12 has multiple pressure sections 123, and the pressure section 123 is by described One side wall 12 protrudes out to be formed and between the accepting groove 121 and the second sidewall 23, and the pressure section 123 has one to support Pressure surface 1231, the handing-over plane for compressing face 1231 between the pressure section 123 and accepting groove 121, and described compress Face 1231 is obliquely installed；

Fig. 4 and Fig. 5 are referred to, the multiple terminal 30 forms two-terminal group, and there is the terminal 30 fixed part 31 to be fixed on The holding slot 221, the extension of fixed part 31 form an elastic arm 32, and the free terminal of the elastic arm 32 has a contact site 321, the contact site 321 is a plane, is contained in the accepting groove 121, to contact and establish with the abutment element 5 It is electrically connected with, a compression zone 322 is defined between the contact site 321 and the fixed part 31, the compression zone 322 is in arc-shaped And compressed by the face 1231 that compresses；

Fig. 4 and Fig. 5 are referred to, wherein, the pressure section 123 is located at the outside of the elastic arm 32, and the slot 11 is positioned at described The inner side of elastic arm 32.The abutment element 5 can be an electronic card, and its opposite sides has multiple conducting strips 51 respectively.It is described Abutment element 5 is downwardly into after the slot 11, and the bottom of the abutment element 5 presses the bottom of the slot 11, is promoted The casting die 10 moves down, and the pressure section 123 moves down with the casting die 10, and is supported along the face 1231 that compresses The compression zone 322 is pressed, the compression zone 322 is by the external force that the inner side of elastic arm 32 is pointed to from the outside of elastic arm 32, band The dynamic contact site 321 is close from initial position to the abutment element 5 and is connect into the slot 11 with the conducting strip 51 Touch, so as to establish the electric connection between the abutment element 5 and the electric connector, and after foundation electric connection, conducting strip Outer rim of 51 lower edge without departing from contact site 321.

Fig. 4 and Fig. 5 are referred to, because the compression zone 322 is in arc-shaped, the face 1231 that compresses is obliquely installed, therefore During the abutment element 5 inserts the electric connector, it can be put down between the compression zone 322 and the pressure section 123 Coordinate slidingly, so that the electric connector has good insertion feel.Simultaneously as the contact site 321 be plane and Positioned at the end of the terminal 30, the contact site 321 is set fully to be bonded the conducting strip 51, and led without unnecessary Body is convexedly stretched in from the terminal 30 in established electrical connection path, so as to avoid Stub effects, improves the electrical connection The high frequency performance of device.

When the abutment element 5 exits the electric connector, the abutment element 5 moves up, and no longer compresses described Casting die 10, now elastic force caused by the elastic arm 32 be more than the pressure section 123 applied compress power, the elastic arm 32 promotes The casting die 10 recovers initial position, and spacing terrace 2311 described afterwards compresses the clamping part 122, prevents that the casting die 10 is de- From the receiving space 21.

Fig. 6 and Fig. 7 are referred to, in a second embodiment, the first side wall 12 is located at the portion of the accepting groove more than 121 Point define one top 124, the pressure section 123 is protruded out downwards by the top 124 and formed, the pressure section 123 only with it is described Top 124 connects, and is contained in the accepting groove 121.The lower end of pressure section 123 has a kerf and formation one is oblique Face 1231 is compressed, when the abutment element 5 promotes the casting die 10 to move down, the pressure section 123 compresses along described Face 1231 directly compresses the free terminal of the elastic arm 32, i.e., in the present embodiment, the compression zone 322 is located at the elastic arm 32 Free terminal, the elastic arm 32 connect by the external force that the inner side of elastic arm 32 is pointed to from the outside of the elastic arm 32 due to described Contact portion 321 also is located at the free terminal of the elastic arm 32, so the contact site 321 is from initial position to the abutment element 5 Move and enter the slot 11, contact the conducting strip 51, so as to establish between the abutment element 5 and the electric connector Electric connection.

Fig. 6 and Fig. 7 are referred to, the pressure section 123 also has certain elasticity, in the pressure section 123 and the end Son 30 mutually compress during, the pressure section 123 can feed back to the terminal 30 it is bigger compress power, it is ensured that it is described to connect Contact portion 321 can firmly touch the conducting strip 51, so as to establish reliable electric connection.Establish after being electrically connected with, lead Outer rim of the lower edge of electric piece 51 without departing from contact site 321.

Fig. 8 and Fig. 9 are referred to, in the third embodiment, with first embodiment similarly, the pressure section 123 is located at institute State between accepting groove 121 and the second sidewall 23, the pressure section 123 has one to compress face 1231, the compression zone 322 Between the contact site 321 and the fixed part 31.It is with first embodiment difference, the face 1231 that compresses is located at The lower end of pressure section 123 and vertical with the first side wall 12, the compression zone 322 are in straight tabular, and the casting die 10 Do not contacted with the terminal 30.

Fig. 8 and Fig. 9 are referred to, the electric connector also has two elastomers 40, and the elastomer 40 is by the pressure section 123 and the boss 24 be held among the receiving space 21, and against the second sidewall 23.When the abutment element 5 When promoting the casting die 10 to move down, the pressure section 123 compresses downwards the elastomer 40, and bullet occurs for the elastomer 40 Property deformation, protrudes into the accepting groove 121, and pushes the compression zone 322, makes the compression zone 322 by from the elastic arm The external force of the inner side of elastic arm 32 is pointed in 32 outsides, drives the contact site 321 close to the abutment element from initial position And enter the slot, and the conducting strip 51 is contacted, it is electrical between the abutment element 5 and the electric connector so as to establish Connection.Establish after being electrically connected with, the outer rim of the lower edge of conducting strip 51 without departing from contact site 321.

Fig. 8 and Fig. 9 are referred to, when the abutment element 5 exits the electric connector, the abutment element 5 is to moving up It is dynamic, the casting die 10 is no longer compressed, now elastic force caused by the elastic arm 32 passes through the elastomer more than the pressure section 123 40 applied compress power, the elastic arm 32 extrudes the elastomer 40, supported described in the 40 upward pushing tow of elastomer laterally Splenium 123, after 40 stress balance of elastomer, the elastic arm 32 and the casting die 10 recover initial position, described afterwards Spacing terrace 2311 compresses the clamping part 122, prevents the casting die 10 from departing from the receiving space 21.

Refer to Fig. 8 and Fig. 9, the elastomer 40 is the cylinder of the homogeneous of a lengthwise, and its material is silica gel, can be with For rubber or other can occur needed for elastically-deformable material.

Referring to Fig. 10, in the fourth embodiment, the elastomer 40 is a spherical, is immobilizated in the pressure section 123 And be contained in the accepting groove 121, when the abutment element 5 promotes the casting die 10 to move down, the pressure section 123 The elastomer 40 is driven to move down, the elastomer 40 compresses the elastic arm 32, makes the elastic arm 32 by from the bullet The external force of the inner side of elastic arm 32 is pointed in the outside of arm 32, is moved from initial position to the abutment element 5, the contact site 321 Contacted into the slot 11 and with the conducting strip 51, so as to establish between the abutment element 5 and the electric connector It is electrically connected with.The elastomer 40 is set to avoid the pressure section 123 between the pressure section 123 and the terminal 30 Rubbed between the terminal 30, improve the insertion feel of the electric connector while reducing and wearing.In addition, pass through The elastomer 40 compresses the terminal 30, can make the terminal 30 by more on the whole pressure, it is ensured that the energy of contact site 32 It is enough firmly to touch the conducting strip 51, so as to establish reliable electric connection.Establish after being electrically connected with, under conducting strip 51 Outer rim of the edge without departing from contact site 321.

The shape of the elastomer 40 and fixed position should not be limited only to the scope mentioned by above-described embodiment, moreover, The position that compresses between the elastomer 40 and the elastic arm 32 can be positioned at the free terminal of the elastic arm 32 or positioned at institute State between contact site 321 and the fixed part 31, specifically compress shape and fixed position of the position depending on the elastomer 40.

In summary, electric connector of the present invention has the advantages that：

（1）The contact site 321 is located at the free terminal of the terminal 30 and is a plane, abundant in the contact site 321 Contact the abutment element 5 and do not have unnecessary electric conductor while establishing electric connection and convexedly stretch in the connection that is electrically connected established Road, so as to avoid stub effects, improve the high frequency performance of electric connector；

（2）It is described right that the contact site 321 is only just shifted to after the abutment element 5 compresses the casting die 10 from initial position Connect element 5, before this, the contact site 321 does not interfere the abutment element 5, so as to reduce the abutment element 5 with it is described Abrasion between contact site 321；

（3）Elastic reaction be present between the terminal 30 and the casting die 10, the elastic reaction by elasticity the terminal 30 or The pressure section 123 or the elastomer 40 of elasticity produce, and the terminal 30 is compressed power by sufficiently large, it is ensured that Connection is consolidated between the contact site 321 and the abutment element 5, at the same time, elastic reaction can also be the electrical connection Device provides good insertion feel.

Detailed description above is only the explanation of the preferred embodiments of the invention, non-therefore the limitation present invention the scope of the claims, So all, with this creation specification and diagramatic content institute, equivalence techniques changes for it, is both contained in the scope of the claims of this creation It is interior.

Claims

A kind of 1. electric connector, with an abutment element grafting, it is characterised in that including：

One insulating body, a receiving space is arranged with downwards；

One casting die, is slidably contained in the receiving space, and the casting die has a slot and positioned at the slot opposite sides Two the first side walls, the first side wall has multiple accepting grooves, and the accepting groove connects with the slot, the first side wall With an at least pressure section；

There is a fixed part to be fixed on the insulating body for multiple terminals, the terminal, and the fixed part extends to form an elastic arm, The elastic arm has a contact site, and the contact site is contained in the accepting groove；

Wherein, the pressure section is located at the outside of the elastic arm, and the slot is located at the inner side of the elastic arm, when the docking member Part is contained in the slot, and when promoting the casting die to move down, the pressure section makes the elastic arm by being pointed to from outside The power of side, drive the contact site mobile to the abutment element and contacted with abutment element, establish and be electrically connected with.
2. electric connector as claimed in claim 1, it is characterised in that：The contact site is in the free terminal of the elastic arm.
3. electric connector as claimed in claim 2, it is characterised in that：The contact site is a plane.
4. electric connector as claimed in claim 3, it is characterised in that：The abutment element is an electronic card, the electronic card With multiple conducting strips, the conducting strip be bonded with the contact site and the lower edge of the conducting strip the contact site outer rim Within limited scope.
5. electric connector as claimed in claim 1, it is characterised in that：The casting die has a roof, and the pressure section is by institute Roof is stated to protrude out to be formed downwards.
6. electric connector as claimed in claim 5, it is characterised in that：The pressure section is contained in the accepting groove and each institute State the corresponding pressure section of accepting groove.
7. electric connector as claimed in claim 6, it is characterised in that：The pressure section is flexible.
8. electric connector as claimed in claim 7, it is characterised in that：The pressure section compresses the free terminal of the elastic arm.
9. electric connector as claimed in claim 1, it is characterised in that：The receiving space is by multiple the of the insulating body Two side walls and a bottom wall, which enclose to set, to be formed, and has multiple boss in the receiving space, and the boss connects the second sidewall With the bottom wall.
10. electric connector as claimed in claim 9, it is characterised in that：The outside of the first side wall has multiple clamping parts, There are multiple grooves on the inside of the second sidewall, the clamping part is clasped with the groove.
11. electric connector as claimed in claim 10, it is characterised in that：The second sidewall upper limb has multiple slots to make way, The slot to make way corresponds to the clamping part, so that the casting die enters the receiving space.
12. electric connector as claimed in claim 9, it is characterised in that：The electric connector is provided with least two elastomers.
13. electric connector as claimed in claim 12, it is characterised in that：The pressure section is protruded outward by the first side wall Formed.
14. electric connector as claimed in claim 13, it is characterised in that：The elastomer is by the pressure section and the boss Clamping, during the casting die moves down, the elastomer is deformed upon by the pressure section and boss extruding, The elastomer, which compresses the terminal, to be made the contact site close and contacts the abutment element.
15. electric connector as claimed in claim 14, it is characterised in that：The elastomer compresses the position of the terminal in institute State between contact site and the fixed part.
16. electric connector as claimed in claim 12, it is characterised in that：The elastomer is immobilizated in the first side wall and receipts It is dissolved in the accepting groove.
17. electric connector as claimed in claim 16, it is characterised in that：The elastomer supports in the casting die folding process Press the elastic arm.
18. electric connector as claimed in claim 17, it is characterised in that：The material of the elastomer is silica gel.