CN210985004U

CN210985004U - Connecting assembly of circuit board and connector and electronic equipment

Info

Publication number: CN210985004U
Application number: CN201921581805.4U
Authority: CN
Inventors: 李宝良; 兰昱旻; 陈诗和
Original assignee: Measurement Specialties China Ltd
Current assignee: Measurement Specialties China Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-10
Anticipated expiration: 2029-09-20

Abstract

The utility model provides a coupling assembling and electronic equipment of circuit board and connector, the coupling assembling of circuit board and connector is including the rigid-flexible board that is used for realizing electric connection between circuit board and the connector, rigid-flexible board includes rigid-flexible board and flexbile plate, be provided with a plurality of first electricity connecting portion that are used for electric connection connector binding post on the rigid-flexible board, the flexbile plate has the second link, be provided with a plurality of second electricity connecting portion that are used for with circuit board electric connection on the second link, be provided with a plurality of connecting wires that are used for realizing electric connection between each first electricity connecting portion and each second electricity connecting portion respectively on the flexbile plate. Through having the rigid-flex board that is used for realizing connector and circuit board electric connection that sets up, avoided artifical letter sorting and welding connecting wire to reduce the error rate of connecting, improved production efficiency.

Description

Connecting assembly of circuit board and connector and electronic equipment

Technical Field

The utility model relates to a technical field of circuit board especially provides a coupling assembling and electronic equipment of circuit board and connector.

Background

Existing electronic devices typically include a housing, a circuit board disposed within the housing, and a connector disposed at an end of the housing. Wherein, the connector still need be with the power cord on the connector and the circuit board electric connection in the shell when the tip of shell is installed, often weld respectively at a plurality of port departments of this connector the connecting wire, and with the fixed connecting wire of sealed mode of gluing, weld respectively many connecting wires to the wiring end port with electronic equipment inner circuit board through artificial mode after that, and in order to guarantee to weld the connecting wire to the port department that corresponds, often need distinguish the colour of connecting wire during the welding, the welding degree of difficulty is high, the risk of operation mistake is high, thereby lead to the disability rate of product high, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling assembling of circuit board and connector aims at solving among the prior art technical problem that electronic equipment wiring error rate is high and production efficiency is low when the equipment.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a circuit connection structure, including the soft or hard board that is used for realizing the electric connection between circuit board and the connector, the soft or hard board includes hard board and connects the flexbile plate of hard board, be provided with a plurality of first electric connection portions that are used for electric connection the binding post of connector on the hard board, the flexbile plate has the second link, be provided with a plurality of second electric connection portions that are used for with circuit board electric connection on the second link, each first electric connection portion respectively with each second electric connection portion one-to-one sets up, be provided with a plurality of connecting wires that are used for realizing respectively electric connection between each first electric connection portion and each second electric connection portion on the flexbile plate.

Further, each of the first electrical connection portions is a first connection hole covered with a conductive layer for electrically connecting with the connection terminal of the connector.

Furthermore, each second electrical connection portion is a second connection hole covered with a conductive layer for electrically connecting with the interface end of the circuit board.

Further, each second electrical connection portion is a conductive strip disposed on the flexible board for electrically connecting with the interface end of the circuit board.

Furthermore, a first welding disc is arranged on the hard plate corresponding to each first electric connection part, a second welding disc is arranged on the flexible plate corresponding to each second electric connection part, and each first welding disc is electrically connected with each second welding disc through the corresponding connecting wire.

Further, the hard plate is a printed circuit board, and the first electric connection parts are symmetrically distributed around the center of the hard plate.

Further, a plurality of the second electrical connection portions are symmetrically distributed at the second connection end of the rigid-flex board.

Furthermore, positioning holes are respectively formed in two sides of the flexible board and are arranged to correspond to the positioning columns on the circuit board.

Further, the outer surface of the rigid-flexible board is covered with a reinforcing layer for increasing the compressive strength of the rigid-flexible board.

The adapter comprises a shell and a pin, the second electric connection part extends into the shell and is electrically connected with one end of the pin extending into the shell, and the other end of the pin extends out of the shell and is electrically connected with the circuit board.

Further, the rigid-flex board has an axial center line; the first electric connection parts and the second electric connection parts are symmetrically arranged around the axial center line respectively, so that the front or the back of the soft and hard combined board can be electrically connected with the circuit board and the connector respectively.

Further, the circuit board and the connector are also included; the circuit board is electrically connected with the second electric connection part; the connector includes the wiring terminal, the wiring terminal with first electric connection portion is connected electrically.

Another object of the present invention is to provide an electronic device, which includes a circuit board, a connector, and the connecting assembly of the circuit board and the connector as described above; the circuit board is electrically connected with the second electric connection part; the connector includes a connection terminal electrically connected to the first electrical connection portion.

Further, the device also comprises a shell; the circuit board and the connecting component of the circuit board and the connector are arranged in the shell; the connector is fixed on the shell.

The utility model has the advantages that: compared with the prior art, the utility model discloses a circuit board and coupling assembling of connector through being provided with the rigid-flex board that is used for realizing connector and circuit board electric connection, has avoided artifical letter sorting and welding connection line, reduces the complexity of connecting to reduce the error rate of connection, improved production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a rigid-flex board provided in an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a connection between a rigid-flex board and an adapter according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rigid-flex board according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection assembly of a circuit board and a connector according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of an electronic device according to an embodiment of the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-an electronic device;

1-connecting component of circuit board and connector; 11-a circuit board; 12-a connector; 13-rigid-flex boards; 14-hard plate; 15-a second connection end; 16-a flexible plate; 17-positioning holes; 18-a first electrical connection; 19-a second electrical connection;

2-an adapter; 21-a housing; 22-pin.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 4, a connection assembly of a circuit board and a connector according to the present invention will now be described. The connecting assembly 1 of the circuit board and the connector comprises a circuit board 11, a connector 12 and a rigid-flex board 13, wherein the rigid-flex board 13 can realize the electrical connection between the circuit board 11 and the connector 12. Specifically, the rigid-flex board 13 includes a rigid board 14 and a flexible board 16, the rigid board 14 is provided with a plurality of first electrical connection portions 18, correspondingly, the flexible board 16 has a second connection end 15, the second connection end 15 is provided with second electrical connection portions 19 corresponding to the first electrical connection portions 18 one by one, so that a plurality of electrical connection portions are provided to realize independent transmission of different signals, the flexible board 16 is further provided with a plurality of connection lines (not shown), and two ends of each connection line are respectively connected to each first electrical connection portion 18 and the corresponding second electrical connection portion 19, so as to realize electrical connection between the first electrical connection portion 18 and the second electrical connection portion 19; the first electrical connection portion 18 can be electrically connected to the connection terminal of the connector 12, and the second electrical connection portion 19 can be used to electrically connect to the circuit board 11, so that the signal of the connector 12 is transmitted to the circuit board 11 through the first electrical connection portion 18 and the second electrical connection portion 19 or the signal of the circuit board 11 is output to an external device through the second electrical connection portion 19 and the first electrical connection portion 18. By the structure, the connector 12 is connected with the circuit board 11 through the rigid-flex board 13, manual sorting and welding of connecting wires are avoided, the connecting complexity is reduced, the connecting error rate is reduced, and the production efficiency is improved. In addition, the rigid-flex board 13 can be formed by splicing a rigid board with a circular disc structure in cross section and two long-strip-shaped flexible boards, the rigid-flex board 13 is provided with an axial center line, and the first electric connection parts 18 and the second electric connection parts 19 are respectively distributed in a mirror image mode about the axial center line of the rigid-flex board 13, so that the front side or the back side of the rigid-flex board 13 can be respectively and electrically connected with the circuit board 11 and the connector 12, the problem of connection signal errors is avoided, and the purpose of preventing errors is achieved.

Further, referring to fig. 1 and fig. 4 together, as an embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the hard board 14 is a printed circuit board, and the flexible board 16 is a flexible panel. So, through making hard board 14 be printed circuit board, wherein this printed circuit board's rigidity is good, has guaranteed the hardness of rigid-flex board 13 with connector 12 binding post to be convenient for rigid-flex board 13 and connector 12 electric connection connect, and use flexbile board 16 processing preparation flexbile board 16, make it have good flexibility, like this, can buckle flexbile board 16 according to actual need, with the occupation space that reduces flexbile board 16, thereby so that the coupling assembling 1 miniaturization setting of circuit board and connector.

Further, please refer to fig. 1 and fig. 3 together, as an embodiment of the circuit connection structure provided by the present invention, the hard board 14 is a printed circuit board, and the plurality of first electrical connection portions 18 are distributed symmetrically with respect to the center of the hard board 14, wherein most of the connection terminals of the connector 11 are disc structures, and the hard board 14 can be circular in cross section, so as to facilitate the layout of the first electrical connection portions 18, and simultaneously make the shape of the hard board 14 and the mutual adaptation of the connection terminals of the connector 12, so as to facilitate the electrical connection of the first connection portions and the connector 12. Optionally, each first electrical connection portion 18 is a first connection hole covered with a conductive layer, wherein the connection terminal of the connector 12 is composed of a plurality of guide pins, so that when the guide pins are inserted into the corresponding first connection holes, the electrical connection between the connector 12 and the rigid-flex board 13 can be realized.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, each second electrical connection portion 19 is a second wiring hole covered with a conductive layer inside, so that the second electrical connection portion 19 is directly attached to the interface of the interface end of the circuit board 11.

Further, referring to fig. 3, as another embodiment of the connection assembly of the circuit board and the connector provided by the present invention, each second electrical connection portion 19 may also be a conductive strip disposed on the flexible board 16, the conductive strip is in a strip shape, and the conductive cross-sectional area of the strip-shaped conductive strip is large, so as to facilitate welding to the interface end of the circuit board 11. In addition, the conductive strips are planar so as to be directly formed on the circuit board 11.

Further, please refer to fig. 1, as the utility model provides a circuit board and a concrete implementation of coupling assembling of connector, the position that corresponds each first electric connection 18 on the hardboard 14 is equipped with first welding dish (not shown), the position that each second electric connection 19 is corresponded to by flexbile plate 16 is equipped with second welding dish (not shown), each first welding dish is continuous through connecting wire and corresponding second welding dish, like this, be equipped with fixed pad respectively through the both ends at soft or hard combination board 13, two wiring ends and connector 12 and circuit board 11 of soft or hard combination board 13 are connected reliably when guaranteeing to weld, in order to avoid the connection segment atress of soft or hard combination board 13 to appear breaking, improve the solderability of this soft or hard combination board 13.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the plurality of second electrical connection portions 19 are symmetrically distributed at the second connection end 15 of the rigid-flex board 13, wherein the second connection end 15 is a strip-shaped plate, and the plurality of second electrical connection portions 19 are symmetrically distributed about the axial center line of the second connection end 15. Specifically, the plurality of second electrical connection portions 19 are divided into two rows, and the two rows of second electrical connection portions 19 are arranged side by side along the width direction of the second connection terminal 15, so that the utilization efficiency of the second connection terminal 15 is improved as compared with the case where the plurality of second electrical connection portions 19 are arranged in line, so that the second connection terminal 15 can be arranged in a compact size. Optionally, the gap between any two adjacent second electrical connection portions 19 is 0.5mm, so as to prevent interference between the two second electrical connection portions 19, and in particular, prevent a short circuit phenomenon of the two second electrical connection portions 19, thereby improving product quality, and being more reliable in use and more stable in performance.

Further, please refer to fig. 1 and fig. 2, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the two sides of the flexible board 16 are respectively provided with positioning holes 17, correspondingly, the positions of the circuit board 11 corresponding to the positioning holes 17 are provided with positioning pillars (not shown), wherein the positioning holes 17 and the positioning pillars are two, and the two positioning holes 17 are symmetrically distributed on the second connecting end 15, so that when each positioning hole 17 is matched with the corresponding positioning pillar, the rigid-flex board 13 is fixed relative to the circuit board 11, so as to conveniently weld the second electrical connection portion 19 at the interface end of the circuit board 11.

Further, referring to fig. 2 and 3 together, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the outer surface of the rigid-flex board 13 is covered with a reinforcing layer (not shown), and the reinforcing layer can be made of epoxy resin, so as to increase the flexibility and the compression strength of the rigid-flex board 13, and prolong the service life of the rigid-flex board 13. Optionally, an arc-shaped chamfer (not shown) is provided at the edge of the flexible board, i.e. the edge of the rigid-flex board 13 is made into an arc-shaped surface, so as to reduce burrs and improve the aesthetic property of the rigid-flex board 13.

Further, referring to fig. 1, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the hard plate 14 and the flexible plate 16 are integrally formed, so that the stress concentration at the contact position of the hard plate 145 and the flexible plate 16 is reduced, so as to prolong the service life of the rigid-flex board 13. Optionally, a steel reinforcing operation may be performed on the joint of the hard plate 14 and the flexible plate 16 to increase the joint strength of the rigid-flex board 13.

Further, referring to fig. 1 to 3 together, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the connection assembly 1 of the circuit board and the connector further includes an adaptor 2, so that the connection between the second electrical connection portion 19 of the rigid-flex board 13 and the circuit board 11 is realized. Specifically, the adaptor 2 includes a housing 21 and pins 22, wherein one end of the pin 22 extends into the housing 21 to electrically connect with the second electrical connection portion 19 extending into the housing 21, and the other end of the pin 22 extends out of the housing 21 for electrically connecting with the circuit board, so as to avoid manually soldering the rigid-flexible board 13 to the circuit board 11, thereby improving the assembly efficiency of the electronic device 100.

Further, referring to fig. 2 and fig. 3 together, as a specific embodiment of the connection assembly of the circuit board and the connector of the present invention, the housing 21 and the pins 22 are integrally injection molded. By adopting the molding mode, the pins 22 are in injection molding with the shell 21, so that the pins 22 are tightly contacted with the shell 21, the pins 22 are fastened on the shell 21, the reliability of the adapter 2 is improved, the assembly process of the pins 22 is simplified, and the production efficiency is improved. Alternatively, a handle (not shown) is provided on a side of the housing 21 near the end of the second electrical connection portion 19, and an outer end face of the handle is an arc-shaped face, so that the connector 12 can be easily mounted and dismounted.

Further, referring to fig. 2 and fig. 3, as a specific embodiment of the connection assembly of the circuit board and the connector provided by the present invention, the connection assembly 1 of the circuit board and the connector further includes a circuit board 11 and a connector 12; the circuit board 11 is electrically connected to the second electrical connection portion 19; the connector 11 includes a connection terminal electrically connected to the first electrical connection portion 18 such that a signal of the connector 12 is transmitted to the circuit board 11 through the first and second

electrical connection portions

18 and 19 or a signal of the circuit board 11 is output to an external device through the second and first

electrical connection portions

19 and 18.

The utility model provides a pair of electronic equipment, this electronic equipment 100 include circuit board 11, connector 12 and as above the coupling assembling 1 of circuit board and connector, this electronic equipment 100 can be aviation connector, pressure sensor, gravity sensor etc.. Specifically, the connecting assembly 1 of the circuit board and the connector comprises a rigid-flex board 13, and a circuit board 11 is electrically connected with a second electric connecting part 19; the connector 12 comprises a wiring terminal which is electrically connected with the first electric connection part 18, the wiring terminal of the connector 12 is connected with the interface end of the circuit board 11 by using the rigid-flex board 13, manual sorting and welding of the connection line are avoided, the complexity of connection is reduced, the error rate of connection is reduced, and the production efficiency is improved.

Further, please refer to fig. 2 and fig. 4 together, as a specific embodiment of the electronic device provided in the present invention, the rigid-flex board 13 has an axial center line, and the plurality of first terminals 18 and the plurality of second electrical connection portions 19 are symmetrically disposed about the axial center line of the rigid-flex board 13, so that both sides of the rigid-flex board 13 can be connected to the circuit board 11 and the connector 12, and the problem of signal connection error does not occur, thereby achieving the purpose of error prevention.

Further, please refer to fig. 4 and fig. 5 together, as a specific embodiment of the electronic device provided by the present invention, the electronic device further includes a housing, and the housing is a square seat structure; the circuit board 11 and the connecting assembly 1 of the circuit board and the connector are arranged in the shell, and the connector 12 is fixed on the shell, so that the circuit board 11, the connector 12 and the rigid-flex board 13 are protected.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The connecting assembly of the circuit board and the connector is characterized by comprising a rigid-flexible board used for realizing the electric connection between the circuit board and the connector, wherein the rigid-flexible board comprises a rigid board and a flexible board connected with the rigid board, the rigid board is provided with a plurality of first electric connection parts used for electrically connecting with a wiring terminal of the connector, the flexible board is provided with a second connecting end, the second connecting end is provided with a plurality of second electric connection parts used for electrically connecting with the circuit board, each first electric connection part is respectively arranged in one-to-one correspondence with each second electric connection part, and the flexible board is provided with a plurality of connecting wires used for respectively realizing the electric connection between each first electric connection part and each second electric connection part.

2. The connecting assembly of claim 1, wherein each of the first electrical connecting portions is a first connecting hole covered with a conductive layer for electrical connection with the connecting terminal of the connector.

3. The connecting assembly of claim 1, wherein each second electrical connection portion is a second connection hole covered with a conductive layer for electrically connecting with the interface end of the circuit board.

4. The connecting assembly of claim 1, wherein each second electrical connection portion is a conductive strip disposed on the flexible board for electrically connecting with the interface end of the circuit board.

5. The connecting assembly of claim 1, wherein a first soldering land is disposed on the rigid board corresponding to each of the first electrical connecting portions, a second soldering land is disposed on the flexible board corresponding to each of the second electrical connecting portions, and each of the first soldering lands and each of the second soldering lands are electrically connected by a corresponding one of the connecting wires.

6. The connecting module for a circuit board and a connector according to claim 1, wherein said rigid board is a printed circuit board, and a plurality of said first electrical connecting portions are symmetrically distributed about a center of said rigid board.

7. The connecting assembly of circuit board and connector according to claim 6, wherein a plurality of said second electrical connecting portions are symmetrically distributed at said second connecting end of said rigid-flex board.

8. The assembly of claim 1, wherein the flexible board has positioning holes on both sides thereof, the positioning holes being disposed to correspond to the positioning posts on the circuit board.

9. The connecting assembly of a circuit board and a connector according to claim 1, wherein the outer surface of the rigid-flex board is covered with a reinforcing layer for increasing the compressive strength of the rigid-flex board.

10. The connecting assembly of claim 1, further comprising an adapter for electrically connecting the second electrical connection portion to the circuit board, wherein the adapter includes a housing and a pin, the second electrical connection portion extends into the housing and is electrically connected to one end of the pin extending into the housing, and the other end of the pin extends out of the housing and is electrically connected to the circuit board.

11. The connection assembly of a circuit board and a connector according to any one of claims 1 to 10, wherein the rigid-flex board has an axial centerline; the first electric connection parts and the second electric connection parts are symmetrically arranged around the axial center line respectively, so that the front or the back of the soft and hard combined board can be electrically connected with the circuit board and the connector respectively.

12. A circuit board to connector connection assembly according to any one of claims 1 to 10, further comprising the circuit board and the connector; the circuit board is electrically connected with the second electric connection part; the connector includes the wiring terminal, the wiring terminal with first electric connection portion is connected electrically.

13. An electronic device comprising a circuit board, a connector, and a connection assembly of the circuit board and the connector according to any one of claims 1 to 12; the circuit board is electrically connected with the second electric connection part; the connector includes a connection terminal electrically connected to the first electrical connection portion.

14. The electronic device of claim 13, wherein the rigid-flex board has an axial centerline; the first electric connection parts and the second electric connection parts are symmetrically arranged around the axial center line respectively, so that the front or the back of the soft and hard combined board can be electrically connected with the circuit board and the connector respectively.

15. The electronic device of claim 14, further comprising a housing; the circuit board and the connecting component of the circuit board and the connector are arranged in the shell; the connector is fixed on the shell.