CN111585071A - A kind of interface unit - Google Patents
A kind of interface unit Download PDFInfo
- Publication number
- CN111585071A CN111585071A CN202010464272.2A CN202010464272A CN111585071A CN 111585071 A CN111585071 A CN 111585071A CN 202010464272 A CN202010464272 A CN 202010464272A CN 111585071 A CN111585071 A CN 111585071A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pressing plate
- metal base
- metal
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/62—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
Landscapes
- Combinations Of Printed Boards (AREA)
Abstract
The connector comprises a metal base and a metal pressing plate, wherein the connector is used for connecting two circuit boards; the two circuit boards are at least partially overlapped and arranged between the metal pressing plate and the metal base, the overlapped parts of the two circuit boards are provided with welding pads with the number and the size matched with each other, and the welding pads on the two circuit boards are in one-to-one corresponding contact; the metal pressing plate and the metal base can be connected in a clamping mode through the buckle structure, the metal pressing plate is provided with a protruding structure facing the metal base, and after the metal pressing plate is connected with the metal base in a clamping mode, the protruding structure extrudes a welding disc of the overlapped portion of the two circuit boards, so that the two circuit boards are connected and conducted. The connector can realize no-welding conduction of the circuit board and is easy to operate.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a connector which is used for solving the problem of connection between circuit boards.
Background
The mainstream mobile electronic products in the market are represented by notebook computers, tablet computers, mobile phones, smart watches and smart wearable products, are developed in the light, small and portable directions, are convenient to use and transport on the one hand, and can enlarge the application range of electronic products.
The most important internal core of electronic products is a hard circuit board (PCB), which is a main carrier of control and processing chips such as CPUs, memories and the like. The hard circuit board is connected with external equipment through a patch cord to form complete electronic equipment. The external equipment can be an LCD, a loudspeaker, an LED lamp, a microphone, a sensor, a key, a camera, a USB socket, an SIM card seat and the like; the patch cord is mostly flexible printed circuit board (FPC), and flexible printed circuit board has certain elasticity and ductility, and thickness is thin, and the flexible angle is big, is the main connection carrier among the mobile device. Flexible circuit boards, which may also serve as carriers for chips, are less stable than rigid circuit boards, and generally have only simple devices and circuits placed on the flexible circuit board.
The connection mode of the flexible circuit board and the hard circuit board or the external equipment comprises the following modes:
1. connected by a connector. This connection requires soldering the connector to the circuit board by SMT process, which is currently the most common connection, as shown in fig. 1, where one end of the connector 0 is soldered to the rigid circuit board (PCB)01 and the other end is soldered to the flexible circuit board (FPC) 02. The other end of the flexible circuit board 02 is connected with an external device 03. In the connection mode, the connector needs to be welded on a circuit board, and the connector has a certain volume and is limited in mobile equipment with high space utilization rate; meanwhile, the flexible circuit board assembly also needs a certain operable space, a flexible circuit board with enough length needs to be designed, and the production cost is high.
2. The connection is made by manual welding. This connection requires the addition of manual welding stations on the production line. The defects are that the consistency of manual welding is poor, the danger is high, meanwhile, the pollution is caused to the production line environment, and the manual welding station is banned in most factories and only appears in a maintenance workshop.
3. And connecting through a hot-press welding process. The process needs professional equipment to be matched with a special process to implement, but the process is not mature yet, so that the process is not wide enough in applicability and is only used in some high-precision industries such as LCD panel factories and the like at present.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, the present invention is directed to a method for simplifying the connection between circuit boards.
In order to solve the technical problem, the invention provides a connector, which comprises a metal base and a metal pressing plate, wherein the connector is used for connecting two circuit boards;
the two circuit boards are at least partially overlapped and arranged between the metal pressing plate and the metal base, the overlapped parts of the two circuit boards are provided with welding pads with the number and the size matched with each other, and the welding pads on the two circuit boards are in one-to-one corresponding contact;
the metal pressing plate and the metal base can be connected in a clamping mode through the buckle structure, the metal pressing plate is provided with a protruding structure facing the metal base, and after the metal pressing plate is connected with the metal base in a clamping mode, the protruding structure extrudes a welding disc of the overlapped portion of the two circuit boards, so that the two circuit boards are conducted.
Further, the arrangement area of the metal bump structure is overlapped with the arrangement area of the bonding pad on each circuit board.
Furthermore, the both ends of metal base set up the spacing groove respectively and detain the position, the both ends of metal pressing plate have set up respectively with spacing groove matching spacing bolt and with detain position complex screens, metal pressing plate and metal base insert spacing groove, screens and detain position block fixed connection through spacing bolt.
Furthermore, the two circuit boards, the metal base and the metal pressing plate are all provided with positioning structures, and the positioning structures are used for positioning the assembly positions of the circuit boards, the metal base and the metal pressing plate.
Furthermore, the positioning structure is a positioning hole or an alignment line.
Furthermore, the circuit board is provided with a back adhesive for bonding and fixing between the circuit board and the base.
Furthermore, the circuit board directly contacted with the metal base is a flexible circuit board or a hard circuit board, and the circuit board directly contacted with the metal pressing plate is a flexible circuit board.
Furthermore, the buckling position of the metal base extends towards the direction of clamping and pressing to form a limiting part.
Furthermore, the metal pressing plate and the metal base are made of stainless steel sheets, and the stainless steel sheets have elasticity.
Further, the thickness of the stainless steel sheet is between 0.1 and 0.2 mm.
Compared with the prior art, the connector that this application provided possesses following beneficial effect:
(1) the connector that this application provided uses metal base and metal pressing plate, places two circuit boards that will connect and presses and switch on between metal base and metal pressing plate, need not adopt welding process (no welding equipment, no welding device), easy operation, no high temperature operation risk protects the environment when protecting operating personnel health.
(2) The connector that this application provided can be used for being connected between stereoplasm circuit board (PCB) and flexible circuit board (FPC) and switch on, also can be used to be connected between flexible circuit board (FPC) and the flexible circuit board (FPC) and switch on, and in addition, the connector that this application provided can require the adjustment appearance according to the design of circuit, and the suitability is high.
(3) The connector that this application provided adopts the stainless steel sheet preparation to form, and its thickness is less than the thickness of traditional connector, can improve electronic product's space utilization.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: a connection method for connecting a hard circuit board (PCB) and an external device through a flexible circuit board in the prior art;
FIG. 2: the connector provided by the embodiment of the application is a schematic structural diagram;
FIG. 3: the structure schematic diagram of the circuit board in one embodiment of the application;
FIG. 4: FIG. 2 is a schematic view of the assembly of a metal base and a circuit board;
FIG. 5: FIG. 3 is a schematic view of the assembly of the metal base and two circuit boards;
FIG. 6: FIG. 2 is a schematic view of the connector assembled with two circuit boards;
FIG. 7: FIG. 2 is a schematic view of the connector shown assembled with two circuit boards;
reference numerals: the circuit board comprises a metal base 1, a clamping position 11, a limiting groove 12, a limiting part 13, a metal pressing plate 2, a buckling position 21, a limiting bolt 22, a protruding structure 23, a first circuit board 3, a second circuit board 4, a bonding pad 5, a positioning hole 6, an alignment line 7 and a back adhesive 8;
the same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
In order to make the present disclosure more complete and complete, reference is made to the accompanying drawings, in which like references indicate similar or analogous elements, and to the various embodiments of the invention described below. However, it will be understood by those of ordinary skill in the art that the examples provided below are not intended to limit the scope of the present invention. In addition, the drawings are only for illustrative purposes and are not drawn to scale.
In one embodiment of the present application, a connector is provided, as shown in fig. 2, for connecting two circuit boards; the connector comprises a metal base 1 and a metal pressing plate 2, wherein at least parts of the two circuit boards are overlapped and arranged between the metal pressing plate 2 and the metal base 1, the overlapped parts of the two circuit boards are provided with welding pads 5 with the number and the size matched with each other, and the welding pads 5 on the two circuit boards are in one-to-one corresponding contact;
one end of metal pressing plate 2 sets up screens 11 (public buckle structure), and the other end sets up spacing bolt 22, metal base 1's one end sets up detains position 21 (female buckle structure), and the other end sets up spacing groove 12, metal pressing plate 2 and metal base 1 insert screens 11 on spacing groove 12, the metal pressing plate 2 and detain position 21 on the metal base 1 through spacing bolt 22 and can block, consequently metal pressing plate 2 and 1 accessible buckle structure block of metal base are connected. In addition, the metal pressing plate 2 is provided with a protruding structure 23 facing the metal base 1, the protruding structure 23 is a pressing and conducting structure, and a metal structure which can ensure that the bonding pads 5 oppositely arranged on the two circuit boards are extruded and conducted can be ensured. After the metal pressing plate 2 is clamped and connected with the metal base 1, the protruding structure 23 extrudes the bonding pad of the overlapping part of the two circuit boards, so that the two circuit boards are conducted.
The connector provided by the application does not need to adopt a welding process when connecting two circuit boards, is simple and convenient to operate, saves labor cost, and is more environment-friendly.
In some embodiments of the present application, the arrangement region of the bump structure 23 coincides with the arrangement region of the pad 5 on each circuit board. In the assembling process of the circuit board and the connector, the metal base 1 and the metal pressing plate of the connector can be ensured to be pressed and conducted when being pressed, and the convex structures 23 can smoothly press and conduct the welding discs 5 on the two circuit boards, so that the two circuit boards are communicated.
In some embodiments of the present application, the two circuit boards, the metal base 1 and the metal pressing plate 2 are all provided with positioning structures, and the positioning structures are used for positioning the assembling positions of the circuit boards, the metal base 1 and the metal pressing plate 2. The positioning structure can be a positioning hole 6 or a counterpoint 7.
In some embodiments of the present application, the circuit board is provided with a back adhesive 8 for bonding and fixing between the circuit board and the metal base 1. After the circuit board and the metal base 1 are aligned through the positioning structure, the circuit board and the metal base are fixed through bonding of the back adhesive 8.
In some embodiments of the present application, the circuit board in direct contact with the metal base 1 is a flexible circuit board or a rigid circuit board, and the circuit board in direct contact with the metal pressing plate 2 is a flexible circuit board. Therefore, the connection structure provided by the application not only can be used for connection conduction between the flexible circuit board and the hard circuit board, but also can be used for connection conduction between the flexible circuit board and the flexible circuit board.
In an embodiment of the present application, the buckling position 21 of the metal base 1 extends in a direction of pressing down the blocking position 11 to form a limiting portion 13, which can ensure that the metal pressing plate and the metal base 1 are not loosened after being clamped.
In some embodiments of the present application, the metal pressing plate 2 and the metal base 1 are made of a stainless steel sheet having elasticity, and the stainless steel sheet may be SUS301, SUS304, or the like. The thickness of the stainless steel sheet is between 0.1 and 0.2 mm. In an embodiment of the application, the thickness of the stainless steel sheet is 0.15mm, and a connector manufactured by using the stainless steel sheet with the thickness has strong pressure resistance and does not occupy too much space of an electronic product in use.
Fig. 3-4 show a schematic diagram of a circuit board structure and a schematic diagram of a connection between the circuit board and the metal base 1 according to an embodiment. In this embodiment, the circuit board is provided with a pad 5, a positioning structure and a back adhesive 8 region. For convenience of description, a circuit board placed on the metal base 1 and connected in direct contact with the metal base 1 is referred to as a first circuit board 3, a surface provided with the pads 5 is referred to as a front surface of the first circuit board 3, and a surface of the first circuit board 3 in direct contact with the metal base 1 is referred to as a back surface of the first circuit board 3. The back adhesive 8 is arranged in the contact area of the reverse side of the first circuit board 3 and the metal base 1. Both the metal base 1 and the first circuit board 3 are provided with a positioning hole 6 and an alignment line 7, and after the metal base 1 and the first circuit board 3 are aligned through the positioning hole 6 and the alignment line 7, the first circuit board 3 and the metal base 1 are fixed through a back adhesive 8.
Fig. 5 shows a schematic diagram of the connection between two circuit boards and the metal base 1 in one embodiment. For convenience of description, a circuit board directly connected to the metal chassis 1 is referred to as a first circuit board 3, and a circuit board directly connected in contact with the first circuit board 3 is referred to as a second circuit board 4. The side provided with the pads 5 is referred to as the front side of the second circuit board 4. After the first circuit board 3 is fixed with the metal base 1, the front surface of the first circuit board 3 faces upwards, and a back adhesive 8 is arranged in the contact area between the front surface of the first circuit board 3 and the second circuit board 4. The front surface of the second circuit board 4 faces the front surface of the first circuit board 3, the positioning holes 6 of the first circuit board 3 and the second circuit board 4 are aligned, the welding pads 5 on the first circuit board 3 and the second circuit board 4 correspond to each other, and the second circuit board 4 is fixed on the first circuit board 3.
Fig. 6 shows a schematic diagram of the connection of two circuit boards and the connection structure in one embodiment. Fig. 7 shows the connector and the circuit board after the assembly. The first circuit board 3 is fixed with the metal base 1, and after the second circuit board 4 is fixed with the first circuit board 3, the reverse side of the second circuit board 4 faces upwards. The convex structure 23 on the metal pressing plate faces the second circuit board 4, the metal pressing plate 2 is placed above the second circuit board 4, the locating hole 6 on the metal pressing plate corresponds to the locating hole 6 on the second circuit board 4, the limiting bolt 22 of the metal pressing plate 2 is inserted into the limiting groove 12 of the metal base 1, the clamping position 11 of the metal pressing plate is clamped with the buckling position 21 of the metal base 1, and finally the first circuit board 3 and the second circuit board 4 are conducted through the connector.
In the traditional design, the conduction between the circuit boards needs to use a welding process, the welding process needs labor cost, and the circuit board is not environment-friendly. The connector provided by the application realizes the conduction between the circuit boards, avoids using a welding process, is easy to operate and can save labor cost. In addition, the metal base 1 and the metal pressing plate 2 of the connector are detachably connected, so that the connector can be repeatedly disassembled and used, and the rejection rate is low.
In one embodiment of the present application, the number of the pads 5 on the circuit board is provided with a plurality, the number of the protruding structures 23 on the metal pressing plate 2 is also provided with a plurality, and the number of the protruding structures 23 is equal to or more than the number of the pads 5, so that the protruding structures 23 can sufficiently act on the pads 5 when the metal pressing plate 2 is engaged with the metal base 1. The protruding structure 23 is made of metal.
The above embodiments are merely to illustrate the technical solutions of the present application and not to limit the present invention, and the present invention is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention, and the scope of the appended claims should be accorded the full scope of the present invention.
Claims (10)
1. The connector is characterized by comprising a metal base and a metal pressing plate, wherein the connector is used for connecting two circuit boards;
the two circuit boards are at least partially overlapped and arranged between the metal pressing plate and the metal base, the overlapped parts of the two circuit boards are provided with welding pads with the number and the size matched with each other, and the welding pads on the two circuit boards are in one-to-one corresponding contact;
the metal pressing plate and the metal base can be connected in a clamping mode through the buckle structure, the metal pressing plate is provided with a protruding structure facing the metal base, and after the metal pressing plate is connected with the metal base in a clamping mode, the protruding structure extrudes a welding disc of the overlapped portion of the two circuit boards, so that the two circuit boards are conducted.
2. The connector of claim 1, wherein the land areas of the raised structures coincide with the land areas of each circuit board.
3. The connector of claim 1, wherein the metal base is provided at two ends thereof with a limiting groove and a fastening position, the metal pressing plate is provided at two ends thereof with a limiting bolt matching with the limiting groove and a fastening position matching with the fastening position, and the metal pressing plate and the metal base are fixedly connected by inserting the limiting bolt into the limiting groove and fastening the fastening position.
4. The connector of claim 1, wherein the two circuit boards, the metal base and the metal pressing plate are provided with positioning structures, and the positioning structures are used for positioning the assembling positions of the circuit boards, the metal base and the metal pressing plate.
5. The connector of claim 1, wherein the positioning structure is a positioning hole or a counterpoint.
6. The connector of claim 1, wherein the circuit board is provided with a back adhesive for bonding and fixing the circuit board and the metal base.
7. The connector according to claim 1, wherein the circuit board in direct contact with the metal base is a flexible circuit board or a rigid circuit board, and the circuit board in direct contact with the metal pressing plate is a flexible circuit board.
8. The connector of claim 1, wherein the latching portion of the metal base extends in a direction in which the latch is depressed to form a position-limiting portion.
9. The connector of claim 1, wherein the metal pressing plate and the metal base are made of stainless steel sheet material, and the stainless steel sheet material has elasticity.
10. The connector of claim 9, wherein the stainless steel sheet has a thickness of between 0.1-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464272.2A CN111585071A (en) | 2020-05-27 | 2020-05-27 | A kind of interface unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464272.2A CN111585071A (en) | 2020-05-27 | 2020-05-27 | A kind of interface unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111585071A true CN111585071A (en) | 2020-08-25 |
Family
ID=72127122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010464272.2A Pending CN111585071A (en) | 2020-05-27 | 2020-05-27 | A kind of interface unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111585071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284768A (en) * | 2021-12-13 | 2022-04-05 | 深圳市瑞科慧联科技有限公司 | Connector and printed circuit board assembly |
-
2020
- 2020-05-27 CN CN202010464272.2A patent/CN111585071A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284768A (en) * | 2021-12-13 | 2022-04-05 | 深圳市瑞科慧联科技有限公司 | Connector and printed circuit board assembly |
| CN114284768B (en) * | 2021-12-13 | 2024-01-19 | 深圳市瑞科慧联科技有限公司 | Connector and printed circuit board assembly |
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