CN220137229U

CN220137229U - Electronic connector

Info

Publication number: CN220137229U
Application number: CN202321749076.5U
Authority: CN
Inventors: 黄光敏; 肖慧敏; 吴丽
Original assignee: Kunlun Weisi Microelectronics Zhuhai Co ltd
Current assignee: Kunlun Weisi Microelectronics Zhuhai Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-12-05
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses an electronic connector, comprising: the PCB comprises a PCB base plate, a fixing piece, a plurality of conductors and two elastic pieces. The fixing piece is arranged on the PCB bottom plate, a clamping groove is formed in the fixing piece and is used for inserting a product to be tested, a second limiting groove and a plurality of first limiting grooves are formed in the left side wall and the right side wall of the clamping groove, and the length directions of the first limiting grooves and the second limiting grooves are mutually perpendicular; the conductor is L-shaped, the vertical section of the conductor is arranged in the first limit groove, the horizontal section of the conductor is electrically connected with the circuit of the PCB bottom plate, and the conductor is used for transmitting signals; the elastic piece is arranged in the second limiting groove, the elastic piece is abutted with the vertical sections of all conductors on the same side, and the elastic piece is used for rebounding the conductors so that the vertical sections are abutted with the contacts of the product to be detected. The electronic connector is simple in structure, stable in contact, not prone to breaking, and improves the stability of testing.

Description

Electronic connector

Technical Field

The present utility model relates to the field of electronic testing and electronic communication, and in particular, to an electronic connector.

Background

In the prior art, in the electrical signal test, the conducting contact surface of an electronic connector is in a vertical relation with the device mounting surface, and the pressing movement direction of a test seat is parallel to the contact surface. The existing conductor structure is mainly an I-shaped through conductor in a parallel direction, such as a POGO-Pin probe. This type of conductor is difficult to apply for signal conduction in the vertical direction and the use of through conductors has the following disadvantages: the test structure needs a more complex action steering mechanism, the space requirement is large, the design and manufacture period is long, the maintenance is difficult, and the cost is high; the contact stability of the head of the conductor and the contact of the object to be tested is poor, and the phenomenon of open circuit is easy to occur, so that the test is unstable; the stability of the contact resistor cannot be well ensured due to the complexity of the mechanism, and the maximum and minimum ranges of the resistance are large, so that the testing yield is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electronic connector which can improve the stability of the contact resistance and avoid the phenomenon of disconnection.

An electronic connector according to some embodiments of the utility model includes: the PCB comprises a PCB base plate, a fixing piece, a plurality of conductors and two elastic pieces. The fixing piece is arranged on the PCB bottom plate, a clamping groove is formed in the fixing piece and used for inserting a product to be tested, a second limiting groove and a plurality of first limiting grooves are formed in the left side wall and the right side wall of the clamping groove, and the length directions of the first limiting grooves and the second limiting grooves are perpendicular to each other; the conductor is L-shaped, a vertical section of the conductor is arranged in the first limit groove, a horizontal section of the conductor is electrically connected with a circuit of the PCB bottom plate, and the conductor is used for transmitting signals; the elastic piece is arranged in the second limiting groove, the elastic piece is abutted to the vertical sections of all the conductors on the same side, and the elastic piece is used for rebounding the conductors so that the vertical sections are abutted to the contacts of the product to be detected.

Has at least the following beneficial effects: the conductor is installed in the first spacing groove of mounting, and the conductor is L shape, and signal conduction structure demand on all vertical direction of adaptation that can be better is installed in the mounting and conductor butt for the conductor contact point provides resilience and increases contact elasticity for contact conductivity is more stable. The electronic connector is simple in structure, stable in contact, not prone to breaking, and improves the stability of testing.

According to some embodiments of the utility model, the circuit board further comprises a signal extractor arranged on the PCB base plate, wherein the signal extractor is electrically connected with the circuit of the PCB base plate.

According to some embodiments of the utility model, the PCB further comprises a cover plate connected to the fixing member, and the cover plate is connected to the PCB chassis via a first connecting member.

According to some embodiments of the utility model, the fixing member comprises a first fixing block, a second fixing block and a centering block, wherein the first fixing block, the second fixing block and the centering block are connected with the cover plate, the first limiting groove is formed in two opposite side surfaces of the first fixing block and the second fixing block, the centering block is located between the first fixing block and the second fixing block, and the clamping groove is formed by the first fixing block, the second fixing block and the centering block.

According to some embodiments of the utility model, a first through hole is formed in the cover plate, two positioning clamping grooves are formed in the lower surface of the cover plate, the first through hole is communicated with the two positioning clamping grooves, the first fixing block and the second fixing block are partially penetrating through the first through hole, and the first fixing block and the second fixing block are respectively abutted to the bottoms of the two positioning clamping grooves.

According to some embodiments of the utility model, the notch side wall of the clamping groove is provided with a chamfer.

According to some embodiments of the utility model, the upper end of the vertical segment corresponding to the chamfer is parallel to the plane of the chamfer.

According to some embodiments of the utility model, the upper end of the vertical section is further provided with a bump, the bump is located outside the first limit groove, and the bump is abutted with the contact of the product to be tested.

According to some embodiments of the utility model, the connection of the vertical section of the conductor and the horizontal section of the conductor is convex forming an arc.

According to some embodiments of the utility model, the elastic member is an elastic silicone rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an electrical connector according to some embodiments of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 2;

FIG. 3 is an exploded view of an electronic connector according to some embodiments of the present utility model;

FIG. 4 is an exploded view of a fastener according to some embodiments of the present utility model;

FIG. 5 is a schematic view of a cover plate according to some embodiments of the utility model;

fig. 6 is a schematic structural diagram of a conductor according to some embodiments of the utility model.

Reference numerals: the PCB base plate 100, the fixing piece 200, the first fixing block 210, the second fixing block 220, the first limit groove 230, the centering block 240, the second limit groove 250, the conductor 300, the elastic piece 400, the cover plate 500, the first through hole 510, the positioning clamping groove 520 and the signal extractor 600.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, an electronic connector in some embodiments of the present utility model includes: the PCB base plate 100, the fixing member 200, the plurality of conductors 300, and the two elastic members 400. The fixing piece 200 is arranged on the PCB base plate 100, a clamping groove is formed in the fixing piece 200 and is used for inserting a product to be tested, a second limiting groove 250 and a plurality of first limiting grooves 230 are formed in the left side wall and the right side wall of the clamping groove, and the length directions of the first limiting grooves 230 and the second limiting grooves 250 are perpendicular to each other; the conductor 300 is L-shaped, a vertical section of the conductor 300 is arranged in the first limit groove 230, a horizontal section of the conductor 300 is electrically connected with a circuit of the PCB base plate 100, and the conductor 300 is used for transmitting signals; the elastic piece 400 is disposed in the second limiting groove 250, the elastic piece 400 is abutted with the vertical sections of all the conductors 300 on the same side, and the elastic piece 400 is used for rebounding the conductors 300 so that the vertical sections are abutted with the contacts of the product to be tested.

Specifically, the conductor 300 is installed in the first limiting groove 230 of the fixing member 200, and the conductor 300 is L-shaped, so that the requirement of the signal conducting structure in all vertical directions can be better met, and the elastic member 400 installed in the fixing member 200 abuts against the conductor 300 to provide a restoring elastic force and increase a contact elastic force for the contact point of the conductor 300, so that the contact conductivity is more stable. The electronic connector is simple in structure, stable in contact, not prone to breaking, and improves the stability of testing.

Referring to fig. 1, in some embodiments of the present utility model, a signal extractor 600 is further included on the PCB substrate 100, and the signal extractor 600 is electrically connected to the circuit of the PCB substrate 100.

Specifically, the product to be tested is inserted into the card slot, the contact of the product to be tested is electrically connected with the conductor 300 arranged on the fixed block, and the horizontal section of the conductor 300 is electrically connected with the circuit on the PCB substrate 100, so that the signal of the product to be tested is transmitted to the signal extractor 600, and the signal detection is realized.

The signal extractor 600 is connected to the pad of the PCB substrate 100 by soldering, which is a soldering method in which a low-melting metal solder is melted by heating and then penetrates into and fills the gap at the connection point of the metal members.

In some embodiments of the present utility model, a cover plate 500 is further included, the cover plate 500 is connected to the fixing member 200, and the cover plate 500 is connected to the PCB substrate 100 through a first connection member.

Referring to fig. 3, specifically, the positioning device further includes a plurality of first positioning members, a plurality of first positioning holes are further formed in the PCB substrate 100, a plurality of second positioning holes are formed in the cover plate 500, and the first positioning members penetrate through the first positioning holes and the second positioning holes to position the cover plate 500 and the PCB substrate 100. The first connecting piece is provided with a plurality of first mounting holes, the PCB bottom plate 100 is provided with a plurality of second mounting holes, the cover plate 500 is provided with a plurality of second mounting holes, and the first connecting piece penetrates through the first mounting holes and the second mounting holes, so that the cover plate 500 and the PCB bottom plate 100 are fixedly connected.

Referring to fig. 4, in some embodiments of the present utility model, the fixing member 200 includes a first fixing block 210, a second fixing block 220, and a centering block 240, each of which is connected to the cover plate 500, first limiting grooves 230 are provided on opposite sides of the first fixing block 210 and the second fixing block 220, the centering block 240 is located between the first fixing block 210 and the second fixing block 220, and the first fixing block 210, the second fixing block 220, and the centering block 240 form a clamping groove.

The concrete illustration further includes a plurality of second positioning members, the second positioning members penetrate through the centering block 240, and two ends of the second positioning members are respectively connected with the first fixing block 210 and the second fixing block 220, the exposed lengths of two ends of the second positioning members are consistent, and the second positioning members realize positioning connection of the first fixing block 210, the second fixing block 220 and the centering block 240; the first fixing block 210, the second fixing block 220 and the centering block 240 are fixedly connected through the second connecting piece after being positioned through the positioning piece.

It should be noted that, the first locating piece and the second locating piece are locating pins, the first connecting piece is a straight thread nut, and the second connecting piece is a flat nut. The second connecting piece fixes the first fixing block 210, the second fixing block 220 and the centering block 240 together to form the fixing piece 200, and a clamping groove is formed when the first fixing block 210, the second fixing block 220 and the centering block 240 are fixed, and is used for connecting a product to be tested and can guide and position the product to be tested to insert into an accurate position. After the second connecting piece fixes the first fixing block 210, the second fixing block 220 and the centering block 240, the conductor 300 is also fixed in the first limiting groove 230, so that the product to be tested is in stable contact with the contact point on the conductor 300.

Referring to fig. 5, in some embodiments of the present utility model, a first through hole 510 is formed on the cover 500, two positioning slots 520 are formed on the lower surface of the cover 500, the first through hole 510 is communicated with the two positioning slots 520, the first fixing block 210 and the second fixing block 220 are partially inserted into the first through hole 510, a shoulder is formed on the first fixing block 210 and the second fixing block 220, and the upper surfaces of the shoulders of the first fixing block 210 and the second fixing block 220 respectively abut against the bottoms of the two positioning slots 520.

Specifically, after the first fixing block 210, the second fixing block 220 and the centering block 240 form the fixing piece 200, the fixing piece 200 is mounted on the cover plate 500, wherein the first fixing block 210 and the second fixing block 220 partially penetrate through the first through hole 510 of the cover plate 500, and the first fixing block 210 and the second fixing block 220 partially respectively abut against the bottoms of the two positioning clamping grooves 520 of the cover plate 500. The PCB substrate 100 and the cover plate 500 are screw-locked together such that the wiring on the PCB substrate 100 is stably contacted with the contact point of the conductor 300 provided in the first limit groove 230 of the fixing member 200.

Referring to fig. 1, in some embodiments of the utility model, the slot side walls of the card slot are provided with chamfers.

In some embodiments of the utility model, the upper end of the vertical segment corresponding to the chamfer is parallel to the plane of the chamfer.

Specifically stated, the chamfer on the notch side wall of the clamping groove plays a role in guiding, so that the accurate position of the product to be detected is conveniently positioned, and the product to be detected is prevented from being damaged by scratch.

Referring to fig. 6, in some embodiments of the present utility model, the upper end of the vertical section is further provided with a bump, the bump is located outside the first limit groove 230, and the bump abuts against a contact of a product to be tested. Specifically, the bump design can improve the stability of contact between products to be tested.

Referring to fig. 6, in some embodiments of the present utility model, the connection of the vertical section of the conductor 300 and the horizontal section of the conductor 300 is protruded to form an arc shape.

Specifically, the connection part of the vertical section and the horizontal section protrudes to form an arc shape, so that the resilience force is increased, the contact stability of the contact is improved, and when a product to be tested is inserted into the clamping groove downwards, as the upper end part of the vertical section is provided with a bump, the bump is pressed downwards by downward pressure, the vertical section is pressed downwards, the horizontal section is in stable contact with the bonding pad of the PCB bottom plate 100, and the conductor 300 is stably connected with the circuit of the PCB bottom plate 100. Further, the connection of the vertical and horizontal sections is protruded to form an arc shape, which improves the durability of the conductor 300.

In some embodiments of the present utility model, the elastic member 400 is an elastic silicone rod.

Specifically, the elastic member 400 provides a restoring elastic force to the contact point on the conductor 300 and increases the contact elastic force, so that the contact conductivity is more stable.

Referring to fig. 3, when the elastic member 400 is installed, a plurality of conductors 300 are installed in the first limiting groove 230 of the first fixing block 210 and the first limiting groove 230 of the second fixing block 220, respectively, so that the conductors 300 are abutted against the elastic member 400, and the conductors 300 are fixed in the second limiting groove 250; the second positioning piece is arranged on the centering block 240 in a penetrating way, two ends of the second positioning piece are used for connecting the first fixing block 210 and the second fixing block 220, and after positioning, the first fixing block 210, the second fixing block 220 and the centering block 240 are fixedly connected by using the second connecting piece to form the fixing piece 200; mounting the fixing member 200 on the cover plate 500; positioning the cover plate 500 and the PCB bottom plate 100 by using a first positioning piece, after positioning, fixedly connecting the cover plate 500 and the PCB bottom plate 100 by using a first connecting piece, and fixing the fixing piece 200 on the PCB bottom plate 100 by using the cover plate 500; the signal extractor 600 is soldered to the PCB substrate 100 such that the contacts of the signal extractor 600 are electrically connected to the traces on the PCB substrate 100.

After the installation is completed, a product to be tested is inserted into the clamping groove of the fixing piece 200, the contact on the product to be tested is electrically connected with the conductor 300, and as the horizontal section of the conductor 300 is connected with the circuit of the PCB base plate 100, signals of the product to be tested are transmitted to the signal extractor 600 through the conductor 300 and the circuit of the PCB base plate 100, and the signal extractor 600 is connected with test equipment through the circuit to perform test operation.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. An electronic connector, comprising:

a PCB chassis (100);

the fixing piece (200), the fixing piece (200) is arranged on the PCB bottom plate (100), a clamping groove is formed in the fixing piece (200) and used for inserting a product to be tested, a second limiting groove (250) and a plurality of first limiting grooves (230) are formed in the left side wall and the right side wall of the clamping groove, and the length directions of the first limiting grooves (230) and the second limiting grooves (250) are mutually perpendicular;

the conductors (300) are L-shaped, vertical sections of the conductors (300) are arranged in the first limit grooves (230), horizontal sections of the conductors (300) are electrically connected with the circuit of the PCB base plate (100), and the conductors (300) are used for transmitting signals;

the two elastic pieces (400) are arranged in the second limiting groove (250), the elastic pieces (400) are abutted to the vertical sections of all the conductors (300) on the same side, and the elastic pieces (400) are used for rebounding the conductors (300) so that the vertical sections are abutted to the contacts of the product to be tested.

2. The electronic connector of claim 1, further comprising a signal extractor (600) disposed on the PCB substrate (100), the signal extractor (600) being electrically connected to the traces of the PCB substrate (100).

3. The electronic connector of claim 2, further comprising a cover plate (500), the cover plate (500) being connected to the fixture (200), the cover plate (500) being connected to the PCB substrate (100) by a first connection.

4. An electronic connector according to claim 3, wherein the fixing member (200) comprises a first fixing block (210), a second fixing block (220) and a centering block (240) which are all connected with the cover plate (500), the first limiting grooves (230) are provided on opposite sides of the first fixing block (210) and the second fixing block (220), the centering block (240) is located between the first fixing block (210) and the second fixing block (220), and the first fixing block (210), the second fixing block (220) and the centering block (240) form the clamping grooves.

5. The electronic connector according to claim 4, wherein a first through hole (510) is formed in the cover plate (500), two positioning clamping grooves (520) are formed in the lower surface of the cover plate (500), the first through hole (510) is communicated with the two positioning clamping grooves (520), the first fixing block (210) and the second fixing block (220) are partially arranged through the first through hole (510), and the first fixing block (210) and the second fixing block (220) are respectively abutted to groove bottoms of the two positioning clamping grooves (520).

6. The electronic connector of claim 4, wherein the slot side walls of the slot are provided with chamfers.

7. The electronic connector of claim 6, wherein an upper end of the vertical segment corresponding to the chamfer is parallel to a plane in which the chamfer lies.

8. The electronic connector according to claim 7, wherein the upper end of the vertical section is further provided with a bump, the bump is located outside the first limit groove (230), and the bump abuts against a contact of the product to be tested.

9. The electronic connector according to claim 8, wherein a junction of a vertical section of the conductor (300) and a horizontal section of the conductor (300) is projected to form an arc shape.

10. The electronic connector according to claim 1, wherein the elastic member (400) is an elastic silicone rod.