CN213638367U

CN213638367U - Circuit board assembly

Info

Publication number: CN213638367U
Application number: CN202022366514.2U
Authority: CN
Inventors: 吴柯琦; 陈文卓; 程高飞
Original assignee: Hangzhou Changchuan Technology Co Ltd
Current assignee: Hangzhou Changchuan Technology Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-06
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a positioning accuracy technical field especially relates to a circuit board assembly. The utility model provides a pair of circuit board assembly, including first base plate, second base plate, first circuit board, second circuit board, third circuit board and setting element, the setting element is located between first base plate and the second base plate, and the both ends of setting element are connected first base plate and second base plate respectively to make the position relatively fixed setting between first base plate and the second base plate. Compared with the prior art, the utility model has the advantages of: through setting up the setting element to make the position relatively fixed setting between first base plate and the second base plate, namely make position and distance between first circuit board and the second circuit board fixed, thereby make the third circuit board can accurate dock with first circuit board, second circuit board, not only peg graft conveniently, and avoided the produced position error of machine tooling in-process, improved positioning accuracy.

Description

Circuit board assembly

Technical Field

The utility model relates to a circuit board installation technical field especially relates to a circuit board assembly.

Background

The circuit board is an important part in the electronic industry, and a plurality of circuit boards are usually positioned when being mutually plugged so as to be convenient to plug. To above-mentioned problem, can be equipped with the uide pin on the current circuit board connector, guarantee the butt joint precision through the uide pin, nevertheless the uide pin guide effect on some connectors is unsatisfactory, the stitch appears crooked when leading to the circuit board to connect the socket joint each other, cracked condition even, and the butt joint effect is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, to above-mentioned technical problem, the utility model provides a butt joint is effectual, the circuit board subassembly of being convenient for the circuit board to peg graft mutually.

In order to solve the technical problem, the utility model provides a following technical scheme:

a circuit board assembly comprises a first substrate, a second substrate, a first circuit board, a second circuit board and a third circuit board, wherein the first circuit board is mounted on the first substrate, the second circuit board is mounted on the second substrate, and the third circuit board can be inserted into the first circuit board and the second circuit board; the circuit board assembly further comprises a positioning piece, the positioning piece is arranged between the first substrate and the second substrate, two ends of the positioning piece are respectively connected with the first substrate and the second substrate, and the positions between the first substrate and the second substrate are relatively fixedly arranged.

It can be understood that this application is through setting up the setting element, thereby make first base plate with position relatively fixed setting between the second base plate, namely make first circuit board with position and distance between the second circuit board are fixed, thereby make the third circuit board can be accurate with first circuit board the butt joint of second circuit board, not only peg graft conveniently, and avoided the machine to process produced position error in-process, improved positioning accuracy.

In one embodiment, the number of the positioning elements includes at least three, and the at least three positioning elements are arranged between the first substrate and the second substrate in a polygonal array manner with sides corresponding to the number of the positioning elements.

It can be understood that, by using the positioning members arranged in a polygonal shape, the consistency of the relative positions between the first substrate and the second substrate can be better, and the positioning accuracy between the first substrate and the second substrate can be further improved.

In one embodiment, the positioning element includes a positioning plate and two connecting portions, the two connecting portions are respectively disposed on two sides of the positioning plate and respectively connected to the first substrate and the second substrate, and the first substrate and the second substrate are respectively attached to two sides of the positioning plate.

It can be understood that the relative position between the first substrate and the second substrate can be ensured through the positioning disk and the connecting part, which is not only convenient, but also simple in structure of the positioning piece.

In one embodiment, the positioning plate has at least two positioning holes, and the at least two positioning holes are respectively matched with the locking member, so that the first substrate and the second substrate are respectively connected with the positioning plate.

So set up, can be convenient for the setting element with first base plate, the installation and the dismantlement between the second base plate.

In one embodiment, the positioning plate is integrally formed with the connecting portion.

So set up, can be convenient for the whole processing of setting element.

In one embodiment, at least one end of the connecting part, which is far away from the positioning disc, is provided with a guide part.

It can be understood that, the arrangement of the guide portion can facilitate the connection between the positioning member and the first substrate and/or the second substrate, so as to achieve a quick connection therebetween.

In one embodiment, the circuit board assembly further includes a guide member mounted to the second base plate, and the third circuit board is movable along the guide member to be plugged onto the first circuit board and the second circuit board.

According to the arrangement, when the third circuit board moves up and down along the guide piece, the guide piece controls the moving position error of the third circuit board, so that the third circuit board can be accurately inserted into the first circuit board and the second circuit board, and the direct butt joint precision of the third circuit board and the first circuit board and the second circuit board is further improved.

In one embodiment, the first circuit board is detachably mounted to the first substrate by screws, and the second circuit board is detachably mounted to the second substrate by screws.

In one embodiment, the first circuit board and the second circuit board are respectively provided with a first female interface and a second female interface, and the third circuit board is provided with a first male connector and a second male connector which can be respectively plugged with the first female interface and the second female interface.

In one embodiment, the second substrate is provided with a yielding hole corresponding to the first female interface on the first circuit board, and the first male connector on the third circuit board can extend into the yielding hole and be connected with the corresponding first female interface.

Compared with the prior art, the utility model provides a circuit board subassembly is through setting up the setting element, thereby make first base plate with position relatively fixed between the second base plate sets up, even makes first circuit board with position and distance between the second circuit board are fixed, thereby make the third circuit board can be accurate with first circuit board the butt joint of second circuit board not only peg graft conveniently, and avoided the produced position error of machine tooling in-process, improved positioning accuracy.

Drawings

Fig. 1 is a schematic structural diagram of the circuit board assembly provided by the present invention with unconnected interfaces;

fig. 2 is a schematic structural diagram of the interface connection of the circuit board assembly provided by the present invention;

fig. 3 is a schematic structural view of a positioning member provided by the present invention;

fig. 4 is a schematic view of a cross-sectional structure of the positioning member provided by the present invention.

The symbols in the drawings represent the following meanings:

100. a circuit board assembly; 10. a first substrate; 11. a first circuit board; 111. a first female interface; 20. a second substrate; 21. a second circuit board; 211. a second female interface; 22. a hole of abdication; 30. a third circuit board; 31. a first male connector; 32. a second male connector; 40. a positioning member; 41. positioning a plate; 411. positioning holes; 42. a connecting portion; 421. a guide portion; 50. a guide member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present invention provides a circuit board assembly 100, wherein the circuit board assembly 100 is applied to an electronic component, and is used as a support for the electronic component and a carrier for electrical connection of the electronic component.

Specifically, the circuit board assembly 100 includes a first substrate 10, a second substrate 20, a first circuit board 11, a second circuit board 21, a third circuit board 30 and a positioning member 40, wherein the first circuit board 11 is mounted on the first substrate 10, the second circuit board 21 is mounted on the second substrate 20, and the third circuit board 30 can be plugged on the first circuit board 11 and the second circuit board 21; the positioning element 40 is disposed between the first substrate 10 and the second substrate 20, and two ends of the positioning element 40 are respectively connected to the first substrate 10 and the second substrate 20, so that the positions of the first substrate 10 and the second substrate 20 are relatively fixed.

It should be noted that, in the process of plugging the circuit boards into each other, the conventional circuit boards are guided by the male interface and the female interface arranged on the circuit boards themselves, but due to errors in processing and mounting of the circuit boards, a relative error between the first circuit board 11 and the second circuit board 21 is too large, so that the interface on the third circuit board 30 cannot be smoothly connected with the interfaces on the first circuit board 11 and the second circuit board 21. In the embodiment, the positioning element 40 is arranged, so that the position between the first substrate 10 and the second substrate 20 is relatively fixed, that is, the position and the distance between the first circuit board 11 and the second circuit board 21 are fixed, so that the third circuit board 30 can be accurately butted with the first circuit board 11 and the second circuit board 21, the plugging is convenient, the position error generated in the machining process is avoided, and the positioning accuracy is improved.

Preferably, the first substrate 10 and the second substrate 20 are both square plate-shaped structures, the first substrate 10 and the second substrate 20 are both corresponding plane plates, and the first circuit board 11 and the second circuit board 21 are both detachably mounted on the first substrate 10 and the second substrate 20 by screws, that is, the parallel relationship between the first circuit board 11 and the first substrate 10 and the parallel relationship between the second circuit board 21 and the second substrate 20 are ensured by the screws.

Alternatively, the threaded member may be a screw, bolt, or the like.

Further, the first circuit board 11 and the second circuit board 21 are respectively provided with a first female interface 111 and a second female interface 211, and the third circuit board 30 is provided with a first male connector 31 and a second male connector 32 which can be respectively plugged with the first female interface 111 and the second female interface 211, so that the third circuit board 30 is electrically connected with the first circuit board 11 and the second circuit board 21 through the matching of the first female interface 111 and the first male connector 31 and the matching of the second female interface 211 and the second male connector 32. It is understood that the positions of the female interface and the male interface on each circuit board can be interchanged, and are not described herein again.

Preferably, a plurality of jacks are arranged in the first female connector 111 and the second female connector 211, and a plurality of pins are arranged in the first male connector 31 and the second male connector 32; the number of the jacks is the same as that of the pins, so that the pins and the jacks correspond to each other one by one, and therefore the pins and the jacks are matched in an inserting mode.

Furthermore, the second substrate 20 is provided with a yielding hole 22 corresponding to the first female interface 111 on the first circuit board 11, and the first male connector 31 on the third circuit board 30 can extend into the yielding hole 22 and is connected to the corresponding first female interface 111.

Furthermore, the number of the third circuit boards 30 is multiple, the first circuit board 11 and the second circuit board 21 are provided with a plurality of female interfaces, the third circuit board 30 is provided with a plurality of male interfaces, and the multiple third circuit boards 30 are connected with the first circuit board 11 and the second circuit board 21 through the male interfaces in an inserting mode.

As shown in fig. 1, the number of the positioning members 40 at least includes three, that is, the number of the positioning members 40 may be four, five, six or even more, and is not limited herein; at least three positioning members 40 are arranged between the first substrate 10 and the second substrate 20 in a polygonal array manner corresponding to the number of the side positioning members 40, so that the positioning accuracy is further improved, and the consistency of the relative positions between the first substrate 10 and the second substrate 20 is ensured.

It should be explained that the at least three positioning elements 40 are arranged in a polygonal array corresponding to the number of side positioning elements 40 in the following manner: if the number of the positioning members 40 is three, three positioning members 40 are arranged in a trilateral manner, if the number of the positioning members 40 is four, four positioning members are arranged in a quadrangular array, and if the number of the positioning members 40 is five, five positioning members are arranged in a pentagonal array. For reference, the other arrangement of the number positioning elements 40 will not be described herein.

Further, the positioning member 40 includes a positioning plate 41 and two connecting portions 42, the two connecting portions 42 are respectively disposed at two sides of the positioning plate 41 and respectively connect the first substrate 10 and the second substrate 20, and the first substrate 10 and the second substrate 20 respectively abut against two sides of the positioning plate 41. It can be understood that the relative position between the first substrate and the second substrate can be ensured by the positioning plate 41 and the connecting portion 42, which is not only convenient but also simple in structure of the positioning member 40; meanwhile, the distance between the first substrate 10 and the second substrate 20 is determined by the thickness of the positioning plate 41, so that when the positioning member 40 is machined, the distance between the first substrate 10 and the second substrate 20 can be controlled by adjusting the thickness of the positioning plate 41, different applicable distances can be adjusted according to different situations, and the adaptability is better.

Furthermore, at least two positioning holes 411 are formed in the positioning plate 41, and the at least two positioning holes 411 are respectively matched with the locking member, so that the first substrate 10 and the second substrate 20 are respectively connected with the positioning plate 41. Here, the locking member is a screw, or the like.

Further, the positioning plate 41 is integrally formed with the connecting portion 42 to facilitate integral processing of the positioning member 40.

Specifically, one end of the at least one connecting portion 42 away from the positioning plate 41 is provided with a guiding portion 421, and the guiding portion 421 has a guiding function, so that the positioning member 40 can be quickly and accurately connected to the first substrate 10 and/or the second substrate 20.

As shown in fig. 1, the circuit board assembly 100 further includes a guide 50, the guide 50 is vertically mounted on the second substrate 20, and the third circuit board 30 can move along the guide 50 to be plugged onto the first circuit board 11 and the second circuit board 21. It can be understood that, when the third circuit board 30 moves up and down along the guide 50, the guide 50 controls the position error of the third circuit board 30, so that the third circuit board 30 can be precisely plugged onto the first circuit board 11 and the second circuit board 21.

It should be noted that two guide members 50 may be disposed on the second substrate 20, the two guide members 50 are symmetrically disposed on the second substrate 20, and two sides of the third circuit board 30 are respectively in sliding fit with the guide members 50, so as to improve the stability of the movement of the third circuit board 30, and further improve the accuracy of the plugging.

Further, the guide members 50 may be a plurality of sets, each set of guide members 50 includes the guide members 50, and the plurality of sets of guide members are respectively provided to correspond to the plurality of third circuit boards 30, thereby achieving the guidance of the plurality of third circuit boards 30.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A circuit board assembly comprises a first substrate (10), a second substrate (20), a first circuit board (11), a second circuit board (21) and a third circuit board (30), wherein the first circuit board (11) is installed on the first substrate (10), the second circuit board (21) is installed on the second substrate (20), and the third circuit board (30) can be inserted on the first circuit board (11) and the second circuit board (21);

the circuit board assembly is characterized by further comprising a positioning piece (40), wherein the positioning piece (40) is arranged between the first substrate (10) and the second substrate (20), two ends of the positioning piece (40) are respectively connected with the first substrate (10) and the second substrate (20), and the position between the first substrate (10) and the second substrate (20) is relatively fixed.

2. The circuit board assembly according to claim 1, wherein the number of the positioning members (40) comprises at least three, and the at least three positioning members (40) are arranged between the first substrate (10) and the second substrate (20) in a polygonal array having sides corresponding to the number of the positioning members (40).

3. The circuit board assembly according to claim 1 or 2, wherein the positioning member (40) comprises a positioning plate (41) and two connecting portions (42), the two connecting portions (42) are respectively disposed on two sides of the positioning plate (41) and respectively connect the first substrate (10) and the second substrate (20), and the first substrate (10) and the second substrate (20) respectively abut against two sides of the positioning plate (41).

4. The circuit board assembly according to claim 3, wherein the positioning plate (41) has at least two positioning holes (411), and the at least two positioning holes (411) are respectively engaged with the locking member to connect the first substrate (10) and the second substrate (20) with the positioning plate (41).

5. A circuit board assembly according to claim 3, characterised in that the positioning plate (41) is integrally formed with the connecting portion (42).

6. A circuit board assembly according to claim 3, characterised in that at least one of the connecting portions (42) has a guide portion (421) at an end remote from the positioning plate (41).

7. A circuit board assembly according to claim 3, further comprising a guide (50), said guide (50) being mounted to said second base plate (20), said third circuit board (30) being movable along said guide (50) for plugging onto said first circuit board (11) and said second circuit board (21).

8. A circuit board assembly according to claim 1, wherein the first circuit board (11) is detachably mounted to the first base plate (10) by screws, and the second circuit board (21) is detachably mounted to the second base plate (20) by screws.

9. The circuit board assembly according to claim 1, wherein the first circuit board (11) and the second circuit board (21) are respectively provided with a first female interface (111) and a second female interface (211), and the third circuit board (30) is provided with a first male connector (31) and a second male connector (32) which can be respectively plugged with the first female interface (111) and the second female interface (211).

10. The circuit board assembly according to claim 9, wherein the second substrate (20) is formed with a recess hole (22) corresponding to the first female interface (111) on the first circuit board (11), and the first male connector (31) on the third circuit board (30) can extend into the recess hole (22) and is connected to the corresponding first female interface (111).