CN219981144U - Soft and hard combined board and electronic product - Google Patents

Abstract

The utility model provides a soft and hard combined board and an electronic product, wherein the soft and hard combined board comprises a hard board part and a soft board part, a soft board flat cable of the soft board part is connected between the hard board part and the soft board connecting part, a first positioning hole for positioning connection with a second part to be connected is arranged on the soft board connecting part, a connecting hole for electric connection with the first part to be connected and a positioning notch for positioning connection with the first part to be connected are arranged on the hard board part, and a contact piece on the soft board connecting part is used for electric connection with the second part to be connected and is electrically connected with the hard board part through the soft board flat cable. Through the structure, the soft and hard combined plate can be electrically connected with the first to-be-connected piece and the second to-be-connected piece through the connecting holes and the contact piece, wherein the hard plate part is in positioning connection with the first to-be-connected piece through the positioning notch, and the soft plate part is in positioning connection with the second to-be-connected piece through the first positioning hole, so that the soft and hard combined plate can be conveniently positioned on the first to-be-connected piece and the second to-be-connected piece, the installation time is saved, and the production efficiency is improved.

Description

Soft and hard combined board and electronic product

Technical Field

The utility model relates to the technical field of electronic circuit boards, in particular to a rigid-flex board and an electronic product.

Background

With the birth and development of a PCB (Printed Circuit Board, a printed circuit board) and an FPC (Flexible Printed Circuit, a flexible circuit board), a new product of a soft and hard combined board is induced.

With the development of electronic products toward high integration, light weight and miniaturization, a flexible Printed Circuit Board (PCB) and Flexible Printed Circuit (FPC) characteristics are widely applied. Therefore, designing a flexible-rigid board that occupies a small space and can be conveniently mounted has become one of the important research directions for those skilled in the art.

Disclosure of Invention

In view of the above problems, the present utility model provides a rigid-flex board and an electronic product, where the rigid-flex board is convenient to install and position, and can save installation time, thereby being beneficial to improving production efficiency.

In a first aspect, some embodiments of the present utility model provide a rigid-flex board for connecting a first to-be-connected member and a second to-be-connected member, where the rigid-flex board includes a rigid board portion and a flexible board portion, the rigid board portion is provided with a connection hole and a positioning notch, the connection hole is used for electrically connecting with the first to-be-connected member, and the positioning notch is used for positioning connection with the first to-be-connected member; the soft board comprises a soft board connecting part and a soft board flat cable, one end of the soft board flat cable is connected to the hard board, the other end of the soft board flat cable is connected to the soft board connecting part, the soft board connecting part is provided with a first positioning hole and a contact piece, the contact piece is electrically connected with the hard board through the soft board flat cable, the contact piece is electrically connected with a second to-be-connected piece, and the first positioning hole is used for being positioned and connected with the second to-be-connected piece.

According to the soft and hard combined board provided by the embodiment of the utility model, the soft board part further comprises a positioning part, the positioning part is connected with the soft board flat cable, the positioning part protrudes out of the soft board flat cable, and the positioning part is used for being connected with an external device to support the soft board flat cable.

According to the soft and hard combined plate provided by the specific embodiment of the utility model, the side surface of the soft plate connecting part is provided with the first bonding layer, the first bonding layer is arranged on the periphery of the first positioning hole, and the first bonding layer is used for bonding the second to-be-connected piece.

According to the soft and hard combined plate provided by the embodiment of the utility model, at least two first positioning holes are formed, at least two first positioning holes are arranged on the soft plate connecting part at intervals, and a plurality of contact pieces are arranged between at least two first positioning holes at intervals.

According to the soft and hard combined board provided by the embodiment of the utility model, the number of the connecting holes is equal to that of the pins of the first to-be-connected piece, the connecting holes are connected with the pins of the first to-be-connected piece in a one-to-one correspondence manner, the contact pieces are divided into the first contact pieces and the second contact pieces, the number of the first contact pieces is equal to that of the connecting holes, the first contact pieces are connected with the connecting holes in a one-to-one correspondence manner through the soft board flat cables, and the second contact pieces are used for connecting the ground wires.

According to the soft and hard combined board provided by the specific embodiment of the utility model, the side surface of the soft board flat cable is provided with the second bonding layer, and the second bonding layer is used for bonding to an external device.

According to the rigid-flex board provided by the embodiment of the utility model, the rigid board part comprises the first side edge and the second side edge which are arranged at intervals, the first side edge and the second side edge are respectively provided with the positioning notches, and the number of the positioning notches on the first side edge is unequal to the number of the positioning notches on the second side edge.

In a second aspect, some embodiments of the present utility model provide an electronic product, where the electronic product includes a rigid-flex board, a signal connector and a circuit board provided in any one of the above technical solutions, the signal connector is provided with a positioning post, the positioning post is inserted in a positioning notch on a rigid board portion of the rigid-flex board in a matching manner, and the signal connector is electrically connected with a connection hole of the rigid board portion; the circuit board is provided with a second positioning hole, the first positioning hole and the second positioning hole on the soft board connecting part of the soft and hard combined board are opposite to each other for positioning, the soft board connecting part is connected to the circuit board, and the soft board connecting part is electrically connected with the circuit board through the contact piece.

According to the electronic product provided by the specific embodiment of the utility model, the electronic product further comprises a shell body provided with a containing cavity, the signal connector is connected to the shell body, the line end of the signal connector is positioned outside the containing cavity, the board end of the signal connector is positioned inside the containing cavity, the circuit board and the soft and hard combination board are arranged in the containing cavity, and the soft and hard combination board is adhered to the inner wall of the containing cavity.

According to the electronic product provided by the embodiment of the utility model, the first positioning ribs and the second positioning ribs are arranged on the inner wall of the accommodating cavity at intervals, and the positioning part of the rigid-flex board is arranged between the first positioning ribs and the second positioning ribs.

The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:

the utility model provides a soft and hard combined plate for electrically connecting a first to-be-connected piece and a second to-be-connected piece, which comprises a hard plate part and a soft plate part, wherein a soft plate flat cable of the soft plate part is connected between the hard plate part and the soft plate connecting part, a first positioning hole for positioning connection with the second to-be-connected piece is arranged on the soft plate connecting part, a connecting hole for electrically connecting with the first to-be-connected piece and a positioning notch for positioning connection with the first to-be-connected piece are arranged on the hard plate part, and a contact piece on the soft plate connecting part is used for electrically connecting with the second to-be-connected piece and is electrically connected with the hard plate part through the soft plate flat cable. Through the structure, the soft and hard combined plate can be electrically connected with the first to-be-connected piece and the second to-be-connected piece through the connecting holes and the contact piece, wherein the hard plate part is in positioning connection with the first to-be-connected piece through the positioning notch, and the soft plate part is in positioning connection with the second to-be-connected piece through the first positioning hole, so that the soft and hard combined plate can be conveniently positioned on the first to-be-connected piece and the second to-be-connected piece, the installation time is saved, and the production efficiency is improved.

The utility model also provides an electronic product, which comprises the soft and hard combined plate, the signal connector and the circuit board, wherein the signal connector is electrically connected with the connecting hole of the hard plate part, the positioning column of the signal connector is matched and inserted into the positioning notch of the hard plate part of the soft and hard combined plate, the second positioning hole of the circuit board is opposite to the first positioning hole on the soft plate connecting part of the soft and hard combined plate, and the soft plate connecting part is electrically connected with the circuit board through the contact piece. Because the electronic product comprises the soft and hard combined board provided by the technical scheme, the electronic product can save the installation time and has higher production efficiency.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a top view of a rigid-flex board according to some embodiments of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is a schematic diagram of a rigid-flex board according to some embodiments of the present utility model;

FIG. 5 is a bottom view of a rigid-flex board according to some embodiments of the present utility model;

FIG. 6 is a schematic diagram illustrating connection between a rigid-flex circuit board and a housing and a signal connector according to some embodiments of the present utility model;

fig. 7 is a schematic structural diagram of a signal connector according to some embodiments of the present utility model;

FIG. 8 is a schematic diagram illustrating connection between a rigid-flex circuit board and a signal connector according to some embodiments of the present utility model;

FIG. 9 is a top view of a rigid-flex circuit board, a housing and a signal connector after connection according to some embodiments of the present utility model;

FIG. 10 is a cross-sectional view taken at D-D of FIG. 9;

fig. 11 is an enlarged view at C in fig. 10.

Reference numerals in the specific embodiments are as follows:

1. a hard plate portion; 11. a connection hole; 12. positioning the notch; 13. a first side; 14. a second side; 2. a soft board portion; 21. a flexible board connecting portion; 211. a first positioning hole; 212. a contact; 213. a first adhesive layer; 214. a second adhesive layer; 22. flexible board flat cable; 23. a positioning part; 10. a signal connector; 101. positioning columns; 102. a screw; 20. a circuit board; 30. a housing; 301. a cavity; 302. a first positioning rib; 303. and the second positioning ribs.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present utility model belong.

In the description of the embodiments of the present utility model, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

With the development of electronic products toward high integration, light weight and miniaturization, a flexible printed circuit board and a printed circuit board combined flexible printed circuit board are widely used in the electronic products. Besides the advantages of flexible space layout, the soft and hard combined board has the characteristics of high reliability, high precision, low impedance loss, complete signal transmission quality, durability and the like. Therefore, a rigid-flex board is often used for connection of the low voltage signal connector and the circuit board.

However, when the rigid-flex board in the prior art is installed in an electronic product, the installation time is long, which is unfavorable for improving the production efficiency. In order to enable the soft and hard combined plate to be installed and positioned conveniently, the applicant has conducted intensive studies, through arranging a positioning notch on the hard plate portion of the soft and hard combined plate, the hard plate portion is positioned and connected with a first to-be-connected piece, and through arranging a first positioning hole on the soft plate connecting portion, the soft plate portion is positioned and connected with a second to-be-connected piece, so that the soft and hard combined plate can be positioned on the first to-be-connected piece and the second to-be-connected piece conveniently, the installation time is saved, and the production efficiency is improved.

The technical scheme of the soft and hard combined board and the electronic product provided by the specific embodiment of the utility model is further described below.

Some embodiments of the present utility model provide a rigid-flex board for connecting a first to-be-connected member and a second to-be-connected member, as shown in fig. 1, the rigid-flex board includes a rigid board portion 1 and a flexible board portion 2; as shown in fig. 2, the hard board portion 1 is provided with a connecting hole 11 and a positioning notch 12, the connecting hole 11 is used for being electrically connected with a first to-be-connected piece, and the positioning notch 12 is used for being in positioning connection with the first to-be-connected piece; the flexible board part 2 comprises a flexible board connecting part 21 and a flexible board flat cable 22, wherein one end of the flexible board flat cable 22 is connected with the hard board part 1, and the other end is connected with the flexible board connecting part 21; as shown in fig. 3, the flexible board connecting portion 21 is provided with a first positioning hole 211 and a contact piece 212, the contact piece 212 is used for being electrically connected with the second to-be-connected piece and is electrically connected with the hard board portion 1 through the flexible board flat cable 22, and the first positioning hole 211 is used for being in positioning connection with the second to-be-connected piece.

The rigid board portion 1 may be a portion of the rigid-flex board having a fixed form and being incapable of being bent. The connection hole 11 may be a hole structure formed on the hard plate portion 1, and may be a through hole structure, and the connection hole 11 is used for electrically connecting with the first to-be-connected member. In some embodiments, the connection hole 11 may be used to plug the pin of the first to-be-connected component, that is, the pin of the first to-be-connected component is plugged into the connection hole 11 of the hard board portion 1, so as to realize the electrical connection between the first to-be-connected component and the hard board portion 1 in the soft and hard board combination board. In some embodiments, after the pin of the first to-be-connected member is plugged into the connection hole 11, the pin and the connection hole 11 are welded, and the welding can melt the materials of the pin and the connection hole 11 into a whole, so that the electrical connection between the pin and the connection hole 11 is firm and reliable. In some embodiments, the welding manner of the pin of the first to-be-connected piece and the connection hole 11 may be robot welding or selective wave soldering, which is beneficial to improving the welding quality of the pin and the connection hole 11.

In some embodiments, the number of the connecting holes 11 is equal to the number of the pins of the first to-be-connected member, and the connecting holes 11 are connected with the pins of the first to-be-connected member in a one-to-one correspondence, so that the hard plate portion 1 is firmly connected with the first to-be-connected member through the effect of the connecting holes 11 and the pins of the first to-be-connected member.

The positioning notch 12 may be a notch formed on the hard board 1, and may be formed by machining a hole on the hard board 1 to remove material, where the positioning notch 12 is used for positioning connection with a first to-be-connected member. In some embodiments, a positioning column may be disposed on the first to-be-connected member, and the positioning notch 12 is matched with the positioning column, that is, the positioning column is inserted into the positioning notch 12, so that the first to-be-connected member and the hard board portion 1 are positioned mutually.

In some embodiments, the hard board portion 1 includes a first side 13 and a second side 14 disposed at opposite intervals, and positioning notches 12 are disposed on the first side 13 and the second side 14, and the number of positioning notches 12 on the first side 13 is configured to be different from the number of positioning notches 12 on the second side 14.

Through setting up the location breach 12 in the relative interval first side 13 and the second side 14 that set up of hard board portion 1 for the reference column that sets up on the first piece of treating can get into the location breach 12 from the outside of hard board portion 1, and the hard board portion 1 of being convenient for is connected with first piece of treating and is fixed a position, is favorable to improving the efficiency that hard board portion 1 is located first piece of treating.

In some embodiments, by setting the number of the positioning notches 12 provided on the first side 13 to be different from the number of the positioning notches 12 provided on the second side 14 so that the structure of the first side 13 is different from the structure of the second side 14, the hard board 1 is made to be an asymmetric structure in the spacing direction of the first side 13 and the second side 14, and the hard board 1 can be prevented from being misplaced in the spacing direction of the first side 13 and the second side 14. Specifically, the number of the positioning notches 12 provided on the first side 13 may be 2, the number of the positioning notches 12 provided on the second side 14 may be 1, and a person skilled in the art may set the number of the positioning notches 12 provided on the first side 13 and the number of the positioning notches 12 provided on the second side 14 according to actual situations.

The soft board portion 2 may be a portion of the soft and hard combined board that can be arranged to be bent. The flexible board connection part 21 and the flexible board flat cable 22 are part of the structure in the flexible board part 2, wherein the flexible board connection part 21 may be a structural part for connecting the flexible board part 2 with the second member to be connected. As shown in fig. 4, the flexible printed wiring 22 may be a flexible printed wiring for electrical connection, one end of which is connected to the connection hole 11 of the hard plate portion 1 and the other end of which is connected to the flexible printed connection portion 21, so that the flexible printed connection portion 21 can be electrically connected to the first member to be connected through the flexible printed wiring 22 and the connection hole 11 of the hard plate portion 1.

The contact 212 may be a member disposed on the flexible board connection part 21 for electrically connecting with the pin of the second to-be-connected member. The contact 212 is electrically connected with the connection hole 11 of the hard board portion 1 through the flexible board flat cable 22, so that the pin of the second to-be-connected piece can be electrically connected with the pin of the first to-be-connected piece through the contact 212, the flexible board flat cable 22 and the connection hole 11, and the first to-be-connected piece and the second to-be-connected piece are electrically connected.

The first positioning hole 211 may be a hole structure formed on the flexible board connecting portion 21, and may be formed on the flexible board connecting portion 21 by drilling or the like, and the first positioning hole 211 is used for positioning connection with the second to-be-connected member. In some embodiments, a positioning structure may be disposed on the second to-be-connected member, and by matching the positioning structure with the first positioning hole 211, the flexible board connecting portion 21 and the second to-be-connected member are positioned relatively, and then the flexible board connecting portion 21 and the second to-be-connected member are connected by welding, so as to realize positioning connection between the second to-be-connected member and the flexible board connecting portion 21.

In some embodiments, the flexible board 2 further includes a positioning portion 23, where the positioning portion 23 is connected to the flexible board 22, and the positioning portion 23 protrudes from the flexible board 22, and the positioning portion 23 is used to connect with an external device to support the flexible board 22.

The positioning portion 23 may be a portion for positioning connection added to the flexible board portion 2, which can be connected to an external device to support and position the flexible board 22, and fix the flexible board connection portion 21 and the flexible board 22 at a predetermined position.

In some embodiments, the positioning portion 23 is connected to the flexible printed circuit 22, so that the positioning portion 23 can stably support the flexible printed circuit 22 when connected to an external device, and keep the flexible printed circuit 22 in a stable position. Specifically, the flexible board connection part 21 and the positioning part 23 are respectively provided at opposite sides of the flexible board cable 22, so that the flexible board cable 22 and the flexible board connection part 21 can be simultaneously supported and positioned when the positioning part 23 is connected with an external device.

In some embodiments, the positioning portion 23 is disposed on the flexible printed circuit 22 in a protruding manner, so that the positioning portion 23 can be connected with an external device in a plugging manner, which is beneficial to improving the connection convenience between the flexible printed circuit 2 and the external device.

In some embodiments, a first adhesive layer 213 is disposed on a side surface of the flexible board passing portion, the first adhesive layer 213 is disposed on an outer periphery of the first positioning hole 211, and the first adhesive layer 213 is used for adhering to the second to-be-connected piece.

The first bonding layer 213 may be a structural layer disposed on a side surface of the flexible board connecting portion 21, and is made of a bonding material, so that the side surface of the flexible board connecting portion 21 can be bonded to a second to-be-connected member through the first bonding layer 213, and when the flexible board connecting portion 21 is connected to the second to-be-connected member, the side surface of the flexible board connecting portion 21 can be bonded to the second to-be-connected member through the first bonding layer 213 after the positioning structure is matched with the first positioning hole 211, so as to realize pre-positioning of the two to facilitate relative fixation of the two when the subsequent flexible board connecting portion 21 is connected to the second to-be-connected member, thereby facilitating improvement of welding stability.

In some embodiments, the first adhesive layer 213 is disposed on the outer periphery of the first positioning hole 211, so that when the flexible board connecting portion 21 is adhered to the second to-be-connected piece through the first adhesive layer 213, the outer periphery of the first positioning hole 211 has an adhesive force, so that the position of the first positioning hole 211 can be effectively prevented from being dislocated, and the stability of welding is further improved.

In some embodiments, the first positioning holes 211 are at least two, the at least two first positioning holes 211 are disposed at intervals on the flexible board connecting portion 21, and the plurality of contacts 212 are disposed between the at least two first positioning holes 211 at intervals.

By arranging the at least two first positioning holes 211 which are arranged at intervals on the soft board connecting part 21, the soft board connecting part 21 can be accurately positioned when being positioned with the second connecting piece through the first positioning holes 211. In some embodiments, two first positioning holes 211 are disposed at intervals on the flexible board connecting portion 21, and the plurality of contacts 212 are disposed between the two first positioning holes 211 at intervals, so that the plurality of contacts 212 can be stably positioned under the action of the two first positioning holes 211 and the first adhesive layer 213 around them, which is helpful for reducing the risk of dislocation of the positions of the plurality of contacts 212.

In some embodiments, the contacts 212 are divided into first contacts, the number of which is configured to be equal to the number of the connection holes 11, and second contacts, the first contacts being connected to the connection holes 11 in a one-to-one correspondence through the flexible printed circuit 22, the second contacts being used for connecting to the ground.

The first contacts may be contacts 212 for corresponding connection with the inner walls of the connection holes 11, and the number of the first contacts is configured to be equal to the number of the connection holes 11, so that the first contacts can be in one-to-one correspondence with the connection holes 11, and realize one-to-one correspondence connection through the flexible printed circuit 22.

The second contact may be a contact 212 for connection with a ground line, at least one of which is provided, and by connecting the second contact with a ground line disposed outside the rigid-flex circuit, electromagnetic compatibility of the rigid-flex circuit can be improved.

In some embodiments, as shown in fig. 5, a second adhesive layer 214 is provided on a side of the flexible printed circuit 22, and the second adhesive layer 214 is used for adhering to an external device.

The second bonding layer 214 may be a structural layer disposed on a side surface of the flexible printed circuit board flat cable 22, and is made of a bonding material, so that the side surface of the flexible printed circuit board flat cable 22 can be bonded to an external device through the second bonding layer 214, and when the flexible printed circuit board connecting portion 21 and the hard board portion 1 are respectively connected to a second to-be-connected piece and a first to-be-connected piece, the flexible printed circuit board flat cable 22 can be bonded to the external device through the second bonding layer 214, so that shaking of the flexible printed circuit board flat cable 22 can be reduced, use stability of the flexible printed circuit board flat cable 22 can be improved, and occupation of the flexible printed circuit board flat cable 22 to a space can be reduced.

In some embodiments, the second adhesive layer 214 may also be disposed on the positioning portion 23, where the positioning portion 23 is adhered to an external device through the second adhesive layer 214, so that the positioning portion 23 is not easy to be separated when being plugged into the external device, which is beneficial to improving the connection stability of the positioning portion 23 and the external device.

In some embodiments, the soft and hard combined board includes a first side and a second side disposed at opposite intervals, the first adhesive layer 213 is disposed on the first side of the soft board connecting portion 21, and the second adhesive layer 214 is disposed on the second side of the soft board flat cable 22 and the positioning portion 23. It is understood that the first adhesive layer 213 and the second adhesive layer 214 may also be disposed on the first side or the second side, and those skilled in the art may choose according to the actual situation.

Some embodiments of the present utility model provide an electronic product, as shown in fig. 6, which includes a signal connector 10, a circuit board 20, and a rigid-flex board provided by the above technical scheme, as shown in fig. 7, the signal connector 10 is provided with a positioning post 101, the positioning post 101 is matched with a positioning notch 12 inserted in a rigid-flex board portion 1 of the rigid-flex board, and the signal connector 10 is electrically connected with a connection hole 11 of the rigid-flex board portion 1; the circuit board 20 is provided with a second positioning hole, the first positioning hole 211 and the second positioning hole on the soft board connecting part 21 of the soft and hard combined board are opposite to each other, the soft board connecting part 21 is connected to the circuit board 20, and the soft board connecting part 21 is electrically connected with the circuit board 20 through the contact piece 212.

The positioning column 101 may be a member disposed on the signal connector 10 and protruding from the signal connector 10, so that the positioning column 101 can be inserted into the positioning notch 12 on the hard board portion 1 of the hard-and-soft board provided by the above technical scheme. In some embodiments, the connection holes 11 on the hard board portion 1 of the soft and hard board provided by the above technical solution are matched with pins of the signal connector 10, so as to realize electrical connection between the signal connector 10 and the hard board portion 1. Specifically, as shown in fig. 8, after the pins of the signal connector 10 are inserted into the connection holes 11, the pins are welded to the connection holes 11, and the welding can melt the materials of the pins and the inner walls of the connection holes 11 into a whole, so that the electrical connection between the pins and the connection holes 11 is firm and reliable.

The second positioning hole may be a structure that is disposed on the circuit board 20 and used for positioning the soft and hard combined board, and the first positioning hole 211 and the second positioning hole on the soft board connecting portion 21 in the soft and hard combined board provided by the above technical scheme are opposite to each other, so that the circuit board 20 and the soft and hard combined board are mutually positioned. Specifically, the number of the first positioning holes 211 on the flexible board connecting portion 21 is equal to the number of the second positioning holes on the circuit board 20, after the first positioning holes 211 and the second positioning holes are arranged in a one-to-one opposite mode, the first positioning holes 211 and the second positioning holes are pre-positioned by utilizing a positioning structure on a welding tool, and the first bonding layer 213 on the flexible board connecting portion 21 is bonded on the circuit board 20, so that after the first positioning holes and the second positioning holes are stably connected, the circuit board 20 and the flexible board connecting portion 21 are connected through welding, and the contact 212 of the flexible board connecting portion 21 is electrically connected with the circuit board 20. In some embodiments, the soldering of the contact 212 of the flexible board connection part 21 and the circuit board 20 may be one of hot press soldering, robot soldering, and laser soldering, and a person skilled in the art may select a soldering manner according to practical situations.

In some embodiments, as shown in fig. 9 to 10, the electronic product further includes a housing 30 formed with a cavity 301, the signal connector 10 is connected to the housing 30, a wire end of the signal connector 10 is located outside the cavity 301, a board end of the signal connector 10 is located in the cavity 301, the circuit board 20 and the rigid-flex board are both disposed in the cavity 301, and the rigid-flex board is connected to an inner wall of the cavity 301.

The casing 30 may be a casing structure of an electronic product, the inside of which is formed with a cavity 301, and the circuit board 20 and the rigid-flex board are both disposed in the cavity 301, so that the casing 30 can protect devices in the cavity 301 of the electronic product. In some embodiments, the signal connector 10 is connected to the outer side of the housing 30 by the screw 102, and the signal connector 10 is connected to the hard board portion 1 of the rigid-flex board located in the cavity 301 by pins. In some embodiments, the soft and hard combined board provided by the above technical scheme is adhered to the inner wall surface of the accommodating cavity 301 through the second adhesive layer 214 on the side surface thereof, so that the soft and hard combined board is arranged along the inner wall of the accommodating cavity 301, which is favorable for reducing the space occupied by the soft and hard combined board and is convenient for the arrangement of other devices.

Through setting up the line end of signal connector 10 outside holding chamber 301 for signal connector 10 is convenient for be connected with external device through the line end, sets up the board end of signal connector 10 in holding chamber 301, makes signal connector 10 can be connected with the hard board portion 1 of holding the interior soft and hard board of chamber 301 through the board end.

In some embodiments, as shown in fig. 11, a first positioning rib 302 and a second positioning rib 303 are spaced on the inner wall of the cavity 301, and the positioning portion 23 of the rigid-flex board is disposed between the first positioning rib 302 and the second positioning rib 303.

The first positioning rib 302 and the second positioning rib 303 are protruding structures arranged on the inner wall of the accommodating cavity 301, the first positioning rib 302 and the second positioning rib 303 are arranged at intervals, and the positioning portion 23 in the rigid-flex board provided by the technical scheme is inserted between the first positioning rib 302 and the second positioning rib 303, so that the first positioning rib 302 and the second positioning rib 303 can play a role in primarily positioning the soft board connecting portion 21 through positioning the positioning portion 23. In some embodiments, when the positioning portion 23 is inserted between the first positioning rib 302 and the second positioning rib 303, the second adhesive layer 214 on the second side surface of the positioning portion 23 is adhered to the inner wall surface of the cavity 301 between the first positioning rib 302 and the second positioning rib 303, so that the positioning effect of the positioning portion 23 is stabilized. Because the electronic product comprises the soft and hard combined board provided by the technical scheme, the electronic product can save the installation time and has higher production efficiency.

The connection assembly process of the electronic product of the present utility model is further described below.

Firstly, the hard board part 1 of the soft and hard combined board is connected with the signal connector 10 in a welding mode, then the signal connector 10 is connected with the shell 30 through the screw 102, the soft board part 2 is adhered to the inner wall of the containing cavity 301 of the shell 30 through the second adhesive layer 214, the positioning part 23 is inserted between the first positioning rib 302 and the second positioning rib 303 and is adhered to the inner wall of the containing cavity 301, the first positioning hole 211 of the soft board connecting part 21 is aligned with the second positioning hole of the circuit board 20 through a welding tool, then the soft board connecting part 21 is adhered and fixed with the circuit board 20 through the first adhesive layer 213, and then the soft board connecting part 21 is connected with the circuit board 20 through welding. Through this kind of scheme, the installation location of rigid-flex board in electronic product is convenient, can save the installation man-hour, is favorable to improving production efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The utility model provides a rigid-flex board which characterized in that for connect first wait connecting piece and second wait connecting piece, rigid-flex board includes:

the hard plate part is provided with a connecting hole and a positioning notch, the connecting hole is used for being electrically connected with the first to-be-connected piece, and the positioning notch is used for being in positioning connection with the first to-be-connected piece;

the soft board comprises a soft board connecting part and a soft board flat cable, one end of the soft board flat cable is connected to the hard board part, the other end of the soft board flat cable is connected to the soft board connecting part, the soft board connecting part is provided with a first positioning hole and a contact piece, the contact piece is connected with the hard board part through the soft board flat cable, the contact piece is used for being connected with the second to-be-connected piece electrically, and the first positioning hole is used for being connected with the second to-be-connected piece in a positioning way.

2. The flexible-rigid combination board according to claim 1, wherein the flexible board portion further comprises a positioning portion, the positioning portion is connected to the flexible board flat cable, the positioning portion protrudes out of the flexible board flat cable, and the positioning portion is used for being connected with an external device to support the flexible board flat cable.

3. The flexible-rigid combination board according to claim 1, wherein a first adhesive layer is arranged on the side surface of the flexible board connecting portion, the first adhesive layer is arranged on the periphery of the first positioning hole, and the first adhesive layer is used for being adhered to the second to-be-connected piece.

4. The flexible-rigid printed circuit board according to claim 1, wherein at least two first positioning holes are formed, at least two first positioning holes are formed in the flexible printed circuit board connecting portion at intervals, and a plurality of contact pieces are arranged between at least two first positioning holes at intervals.

5. The flexible-rigid printed circuit board according to claim 4, wherein the number of the connecting holes is equal to the number of pins of the first to-be-connected member, the connecting holes are connected with the pins of the first to-be-connected member in a one-to-one correspondence manner, the contacts are divided into a first contact and a second contact, the number of the first contacts is equal to the number of the connecting holes, the first contacts are connected with the connecting holes in a one-to-one correspondence manner through flexible printed circuit board flat cables, and the second contacts are used for connecting a ground wire.

6. The flexible-rigid combination board according to claim 1, wherein a second adhesive layer is arranged on the side surface of the flexible-board flat cable, and the second adhesive layer is used for being adhered to an external device.

7. The board according to claim 1, wherein the hard board portion includes a first side and a second side that are disposed at opposite intervals, the first side and the second side are both provided with the positioning notches, and the number of the positioning notches on the first side is configured to be unequal to the number of the positioning notches on the second side.

8. An electronic product, characterized by comprising the rigid-flex board according to any one of claims 1 to 7;

the signal connector is provided with a positioning column which is matched and inserted into a positioning notch on the hard board part of the soft and hard combined board, and the signal connector is electrically connected with a connecting hole of the hard board part;

the circuit board is provided with a second positioning hole, a first positioning hole on a soft board connecting part of the soft and hard combined board is opposite to the second positioning hole for positioning, the soft board connecting part is connected to the circuit board, and the soft board connecting part is electrically connected with the circuit board through a contact piece.

9. The electronic product of claim 8, further comprising a housing formed with a cavity, wherein the signal connector is connected to the housing, a wire end of the signal connector is located outside the cavity, a board end of the signal connector is located in the cavity, the circuit board and the rigid-flex board are both disposed in the cavity, and the rigid-flex board is connected to an inner wall of the cavity.

10. The electronic product of claim 9, wherein first positioning ribs and second positioning ribs are arranged on the inner wall of the cavity at intervals, and the positioning part of the rigid-flex board is arranged between the first positioning ribs and the second positioning ribs.