CN210381429U - Circuit board, connector, electric connecting device and display module - Google Patents
Circuit board, connector, electric connecting device and display module Download PDFInfo
- Publication number
- CN210381429U CN210381429U CN201920699241.8U CN201920699241U CN210381429U CN 210381429 U CN210381429 U CN 210381429U CN 201920699241 U CN201920699241 U CN 201920699241U CN 210381429 U CN210381429 U CN 210381429U
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- board body
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- conductive terminal
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- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a circuit board, a connector, an electric connecting device and a display module, which belong to the technical field of liquid crystal display, the circuit board comprises a circuit board body, one end of the circuit board body is provided with a first conductive terminal, and the end extends outwards and is provided with an extending part, a fracture structure is arranged on the extending part, and the extending part can be broken off from the fracture structure and separated from the circuit board body; the connector comprises a base and a pressing piece, wherein one end of the base is provided with a second conductive terminal, the pressing piece is configured to press the pressing circuit board onto the base when the first conductive terminal abuts against the second conductive terminal, and the extending portion extends out of one side of the base and the pressing piece. Through extension and fracture structure, the length of circuit board body has been increased in other words, the circuit board body of being convenient for snatch, can high efficiency realize the connection of circuit board and connector, avoid causing the damage to the circuit board body for it is possible to design shorter circuit board.
Description
Technical Field
The utility model relates to a liquid crystal display technology field especially relates to a circuit board, connector, electric connecting device and display module assembly.
Background
In current electronic products, signal lines are commonly connected to a printed circuit board for transmitting various signals, and a common signal line is a circuit board having a terminal composed of a plurality of pins at an end thereof. Correspondingly, the printed circuit board is provided with a connector for inserting the circuit board. Because the connector is also provided with terminals formed by a plurality of pins, the terminals can respectively correspond to the pins of the terminals of the circuit board, and the aim of signal transmission can be achieved when the circuit board is inserted into the connector. For example, when the LEDs are used as a backlight source, the current of each string of LEDs is accurately controlled to ensure the uniformity of brightness, so that the circuit board is usually connected to the PCB of the module through the connector, and the connector transmits a signal to the LED light bar to drive the LED light to operate.
At present when assembling circuit board and connector, because the length of circuit board is shorter, inconvenient operator snatchs, the operator is great when snatching the circuit board and pegging graft it in the connector, not only wastes time and energy, damages the circuit board moreover easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board, connector, electric connecting device and display module assembly to the circuit board that exists among the solution prior art is wasted time and energy when pegging graft in the connector, damages the problem of circuit board moreover easily.
As the conception, the utility model adopts the technical proposal that:
a circuit board comprises a circuit board body, wherein one end of the circuit board body is provided with a first conductive terminal, the end of the circuit board body extends outwards to form an extending portion, a breaking structure is arranged on the extending portion, and the extending portion can be broken at the breaking structure and separated from the circuit board body.
Furthermore, the extension part is an adhesive tape, the adhesive tape is adhered to the circuit board body, and a tearing structure which is easy to tear is arranged at a position, right opposite to the end part of the circuit board body, of the adhesive tape.
In order to achieve the above object, the present invention further provides a connector for connecting the circuit board, including the base and the pressing member, one end of the base is provided with the second conductive terminal, the pressing member is configured to work as the first conductive terminal abuts against the second conductive terminal, the circuit board body is pressed to the base, and the extension portion is extended from the base and one side of the pressing member.
Furthermore, the base is provided with two oppositely arranged stop blocks, a positioning groove for the circuit board body is formed between the two stop blocks, and one end of the bottom surface of the positioning groove is provided with the second conductive terminal.
Furthermore, the compressing part comprises a cross beam and two rotating seats respectively connected to two ends of the cross beam, and the two rotating seats are respectively and rotatably connected to the outer sides of the two stop blocks.
Furthermore, the two ends of the beam in the length direction are respectively provided with a groove corresponding to the stop block, and a pressing block which can extend into the positioning groove to press the circuit board body to press is formed between the two grooves.
Furthermore, the stop block is provided with a first limiting part on one side departing from the positioning groove, a second limiting part is arranged on one side of each rotating seat facing the other rotating seat, and the first limiting part and the second limiting part are matched to enable the pressing block to press or loosen the circuit board body.
Furthermore, first locating part includes the dog deviate from the card limit that one side of constant head tank is established to the evagination, second locating part is the arc arch, the card limit with the arc is protruding to cooperate so that the compact heap compresses tightly or relaxs the circuit board body.
In order to achieve the above object, the present invention also provides an electrical connection device, including the circuit board and the connector.
In order to achieve the above object, the utility model also provides a display module assembly, including the aforesaid electric connection device.
The utility model has the advantages that:
the utility model provides a circuit board through set up extension and fracture structure on the circuit board body, has increased the length of circuit board body, the snatching of the circuit board body of being convenient for, and the extension can be demolishd the circuit board body after installing on the connector, when guaranteeing the installation effectiveness, does not increase the structure of circuit board body for design shorter circuit board becomes possible.
The utility model provides a connector, first conductive terminal that can high efficiency make the circuit board body pegs graft in second conductive terminal to fix through compressing tightly the piece, shortened the installation time of circuit board body, reduced the number of times that the circuit board was installed repeatedly, avoid causing the damage to the circuit board body.
The utility model provides an electric connecting device has above-mentioned circuit board and connector, can realize the connection of high efficiency's realization circuit board and connector.
The utility model provides a display module assembly has above-mentioned electric connection device, can improve installation effectiveness and installation quality, improves display module assembly's yield.
Drawings
Fig. 1 is a first schematic structural diagram of an electrical connection device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of an electrical connection device according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circuit board according to a first embodiment of the present invention;
fig. 4 is a first schematic structural diagram of a connector according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a connector according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a circuit board according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electrical connection device according to a second embodiment of the present invention.
In the figure:
1. a power supply circuit board; 11. a circuit board body; 12. an extension portion; 120. a fracture structure;
2. a connector; 201. a second conductive terminal; 202. a socket; 203. positioning a groove; 21. a base; 211. a rear stop block; 2111. a first limit piece; 212. a front stop block; 213. a connecting plate; 22. a compression member; 221. a cross beam; 2211. a compression block; 2212. a groove; 222. a rotating seat; 2221. a second limiting member.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
Example one
This embodiment provides a display module assembly, this display module assembly includes backlight unit, display screen, center and PCB board isotructure, backlight unit is used for providing the backlight and evenly lighting to the display screen for the display screen, and the center is used for connecting fixed backlight unit and provides the support to the display screen, and the display screen passes through flexible circuit board and connects in the PCB board to it fixes through wheat draw membrane or frame etc. in order to realize the fixed to whole display module assembly.
The backlight module comprises a back plate and an optical assembly, wherein the back plate comprises a back plate bottom plate and four back plate side plates perpendicularly surrounding the four sides of the back plate bottom plate, the optical assembly comprises a reflecting plate, a light guide plate and an optical diaphragm group which are sequentially stacked on the back plate bottom plate from bottom to top, one side of the light guide plate is further provided with a backlight source, the backlight source comprises an LED light bar, the LED light bar comprises a power supply circuit board 1 and an LED lamp arranged on the power supply circuit board 1, and the power supply circuit board 1 is connected to a PCB (not shown in the figure) through an.
Fig. 1 is a first schematic structural diagram of an electrical connection device provided in this embodiment; fig. 2 is a schematic structural diagram of the electrical connection device provided in this embodiment. As shown in fig. 1 and fig. 2, the present embodiment provides an electrical connection device, which includes a circuit board and a connector 2, wherein the circuit board includes a circuit board body 11, the circuit board body 11 is an extension of the power supply circuit board 1 and is used for electrically connecting the power supply circuit board 1 and the connector 2, in the present embodiment, the power supply circuit board 1 may be a flexible circuit board, and is integrally formed with the circuit board having the first conductive terminal during a processing process. The connector 2 is disposed on the PCB, and can electrically connect the circuit board body 11 and the PCB.
Fig. 3 is a schematic structural diagram of the circuit board provided in this embodiment. Specifically, as shown in fig. 3, the circuit board body 11 is a rectangular structure, one side of one end of the circuit board body 11, which is away from the power supply circuit board 1, is provided with a plurality of first conductive terminals, the plurality of first conductive terminals are arranged at intervals, the end is provided with an extending portion 12 extending outwards, in this embodiment, the extending portion 12 is a structure made of the same material as the circuit board body 11, and the extending portion 12 and the circuit board body 11 are integrally formed. The connection portion of the extending portion 12 and the circuit board body 11 is provided with a breaking structure 120 along the width direction of the circuit board body 11, and the extending portion 12 can be broken from the breaking structure 120 and separated from the circuit board body 11.
Fig. 4 is a first schematic structural diagram of the connector provided in this embodiment; fig. 5 is a first schematic structural diagram of the connector provided in this embodiment. As shown in fig. 4 and 5, the connector 2 includes a base 21 and a pressing member 22, one end of the base 21 is provided with a plurality of second conductive terminals 201, the plurality of second conductive terminals 201 are also provided at intervals, a slot is formed between two adjacent second conductive terminals 201, each first conductive terminal can be inserted into the corresponding slot and abuts against the second conductive terminal 201, the pressing member 22 can press the circuit board body 11 onto the base 21 when the first conductive terminal is inserted into the slot, and at this time, the extending portion 12 extends out from one side of the base 21 and the pressing member 22. Specifically, as shown in fig. 4 and 5, two stoppers are oppositely disposed on the base 21, a positioning groove 203 is formed between the two stoppers for the circuit board body 11 to pass through, and the second conductive terminal 201 is disposed at one end of the bottom surface of the positioning groove 203. The stop blocks comprise a front stop block 212 and a rear stop block 211 which are connected, the two front stop blocks 212 of the two stop blocks are arranged oppositely, the two rear stop blocks 211 are arranged oppositely, in the thickness direction of the base 21, the height of the front stop block 212 is larger than that of the rear stop block 211, and the front stop block 212 is smoothly connected with the rear stop block 211. In addition, a connection plate 213 is connected between the two front stoppers 212, the connection plate 213 and the positioning groove 203 form a socket 202, and the circuit board body 11 is inserted through the socket 202, so that each first conductive terminal is inserted into the corresponding slot.
The pressing member 22 includes a cross beam 221 and two rotating seats 222 vertically connected to two ends of the cross beam 221, and the two rotating seats 222 are rotatably connected to outer sides of the two front stoppers 212, in this embodiment, each rotating seat 222 is vertically connected to the cross beam 221, so that the whole connector 2 is compact in structure and convenient to process, and in other embodiments, each rotating seat 222 may also have a certain included angle with the cross beam 221. The cross beam 221 is parallel to the base 21, two ends of the length direction of the cross beam are respectively provided with a groove 2212 matched with the corresponding rear stop block 211, one side wall of each groove 2212 is a side face of the rotating seat 222, the width of each groove 2212 is slightly larger than that of the corresponding rear stop block 211, a pressing block 2211 capable of extending into the positioning groove 203 to press the circuit board body 11 is formed between the two grooves 2212, namely, when the pressing piece 22 presses the circuit board body 11, the pressing block 2211 is positioned in the positioning groove 203 and abuts against the circuit board body 11, and part of the structure of the rear stop block 211 is positioned in the groove 2212. The groove 2212 is matched with the rear stop block 211, so that when the pressing piece 22 presses the circuit board body 11, the upper surface of the cross beam 221 is flush with the upper surface of the front stop block 212, the size of the connector 2 is reduced, and the occupied area of the connector 2 is reduced.
In addition, in order to ensure that the pressing member 22 can press the circuit board body 11, each rotating base 222 is provided with a second limiting member 2221 on a side facing the other rotating base 222, the rear stopper 211 is provided with a first limiting member 2111 protruding outwards on a side away from the positioning slot 203, and the second limiting member 2221 can cooperate with the first limiting member 2111 to press or loosen the pressing block 2211 on the circuit board body 11. Specifically, in the present embodiment, the second limiting member 2221 is an arc-shaped protrusion, the first limiting member 2111 is a clamping edge, and preferably, an end surface of the clamping edge 2111 on a side away from the rear stopper 211 is an arc-shaped surface. When the circuit board body 11 needs to be installed, when the pressing member 22 rotates downward, the arc-shaped protrusion 2221 can move to the lower side of the clamping edge 2111 beyond the arc-shaped surface only by applying a slight force, and meanwhile, the pressing block 2211 extends into the positioning groove 203 to press the circuit board body 11 tightly. When the circuit board body 11 needs to be disassembled, the pressing member 22 is rotated upward, and similarly, the arc-shaped projection 2221 can move over the arc-shaped surface to the upper side of the clamping edge 2111 by applying a slight force, and meanwhile, the pressing block 2211 is withdrawn from the positioning slot 203.
Certainly, the structure of the first limiting member 2111 and the second limiting member 2221 is not limited to this in this embodiment, the first limiting member 2111 may also be an arc-shaped boss, and the second limiting member 2221 is a buckle, and the buckle and the arc-shaped boss are matched to enable the pressing block 2211 to press or release the circuit board body 11.
To sum up, through set up extension 12 and fracture structure 120 on circuit board body 11, the length of circuit board body 11 has been increased in other words, be convenient for snatching of circuit board body 11, can high efficiency make circuit board body 11's first conductive terminal peg graft in second conductive terminal 201 to fix through compressing tightly piece 22, shortened circuit board body 11's installation time, reduced circuit board body 11 and installed the number of times repeatedly, avoid causing the damage to circuit board body 11. The extension portion 12 can be removed after the circuit board body 11 is mounted on the connector 2, so that the mounting efficiency is ensured, and the structure of the circuit board body 11 is not additionally increased, so that a shorter circuit board can be designed, and the miniaturization design of the electric connection device is facilitated.
The mounting and dismounting process of the electrical connection device will be described in detail below.
The installation process comprises the following steps:
one end of the circuit board body 11, which is provided with the first conductive terminals, passes through the insertion opening 202 and slides along the positioning groove 203 until each first conductive terminal is inserted into the corresponding slot, as shown in fig. 1. Then, the pressing member 22 is rotated downward, and when the arc-shaped projection 2221 contacts the end surface of the card edge 2111, the arc-shaped projection 2221 is moved to the position below the card edge 2111 by a slight force, and in the process, the pressing block 2211 extends into the positioning slot 203 to press the circuit board body 11 tightly, as shown in fig. 2. Finally the extension 12 is removed from the breaking structure 120.
The disassembling process comprises the following steps:
the pressing member 22 is rotated upward, and when the arc-shaped projection 2221 contacts the end surface of the clamping edge 2111, the arc-shaped projection 2221 is moved to the position above the clamping edge 2111 by a slight force, and the pressing block 2211 is withdrawn from the positioning slot 203 until the pressing member 22 returns to the original position. And then the circuit board body 11 is pushed out in the opposite direction.
The display module assembly that this embodiment provided through adopting foretell electric connection device, can improve installation effectiveness and installation quality, improves display module assembly's yield.
Example two
Fig. 6 is a schematic structural diagram of the circuit board provided in this embodiment; fig. 7 is a schematic structural diagram of the electrical connection device provided in this embodiment. The electrical connection device provided in this embodiment is substantially the same as the electrical connection device in the first embodiment, except that: as shown in fig. 6 and 7, the extending portion 12 in this embodiment is a tape, the tape is adhered to the circuit board body 11, and the tape and the first conductive terminal are respectively located on two opposite sides of the circuit board body 11. The position of the tape opposite to the end of the circuit board body 11 has the breaking structure 120, in this embodiment, the breaking structure 120 is a plurality of small holes arranged along the width direction of the tape. Of course, in other embodiments, the tearing structure may also be a tear line, an indentation, or the like extending in the width direction of the tape. Correspondingly, because the adhesive tape is adhered to the circuit board body 11, the thickness of the circuit board body 11 is increased, when the circuit board body 11 is located in the positioning groove 203, if the upper surface of the circuit board body 11 is flush with the upper surface of the rear stopper 211, only one groove 2212 is arranged on the cross beam 221 of the connector 2, and when the pressing piece 22 presses the circuit board body 11, the bottom surface of the groove 2212 is pressed against the upper surface of the adhesive tape adhered to the circuit board body 11; if the upper surface of the circuit board body 11 is still lower than the upper surface of the rear stopper 211, the beam 221 of the connector 2 has the same structure as the beam 221 in the first embodiment, and the description thereof is not repeated.
The display module assembly that this embodiment provided through adopting foretell electric connection device, can improve installation effectiveness and installation quality, improves display module assembly's yield.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The circuit board comprises a circuit board body (11), and is characterized in that one end of the circuit board body (11) is provided with a first conductive terminal, the end extends outwards to form an extension portion (12), a breaking structure (120) is arranged on the extension portion (12), and the extension portion (12) can be broken off from the breaking structure (120) and separated from the circuit board body (11).
2. The circuit board according to claim 1, wherein the extension portion (12) is an adhesive tape, the adhesive tape is adhered to the circuit board body (11), and the breaking structure (120) is provided at a position opposite to the end of the circuit board body (11).
3. Connector for connecting a circuit board according to any one of claims 1-2, comprising a base (21) and a hold-down (22), the base (21) being provided at one end with a second conductive terminal (201), the hold-down (22) being configured to hold down the circuit board body (11) onto the base (21) when the first conductive terminal abuts against the second conductive terminal (201), the extension (12) protruding from one side of the base (21) and the hold-down (22).
4. The connector according to claim 3, wherein the base (21) is provided with two oppositely arranged stoppers, a positioning groove (203) for the circuit board body (11) to pass through is formed between the two stoppers, and the bottom surface of the positioning groove (203) is provided with the second conductive terminal (201).
5. The connector according to claim 4, wherein the pressing member (22) comprises a cross member (221) and two rotating seats (222) respectively connected to both ends of the cross member (221), and the two rotating seats (222) are respectively rotatably connected to the outer sides of the two stoppers.
6. The connector according to claim 5, wherein the cross member (221) is provided with a groove (2212) at each end in the length direction thereof for engaging with the corresponding stopper, and a pressing block (2211) capable of extending into the positioning groove (203) to press the circuit board body (11) is formed between the two grooves (2212).
7. The connector according to claim 6, wherein the stopper is provided with a first stopper (2111) at a side away from the positioning slot (203), and a second stopper (2221) is provided at a side of each of the rotating seats (222) facing the other rotating seat (222), and the first stopper (2111) and the second stopper (2221) cooperate to press or release the pressing block (2211) on the circuit board body (11).
8. The connector according to claim 7, wherein the first retaining member (2111) includes a retaining edge protruding outward from a side of the stopper facing away from the positioning slot (203), and the second retaining member (2221) includes an arc-shaped protrusion, and the retaining edge and the arc-shaped protrusion cooperate to allow the pressing block (2211) to press or release the circuit board body (11).
9. An electrical connection device comprising a circuit board according to claim 1 and a connector according to any one of claims 3 to 8.
10. A display module comprising the electrical connection device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699241.8U CN210381429U (en) | 2019-05-16 | 2019-05-16 | Circuit board, connector, electric connecting device and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699241.8U CN210381429U (en) | 2019-05-16 | 2019-05-16 | Circuit board, connector, electric connecting device and display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210381429U true CN210381429U (en) | 2020-04-21 |
Family
ID=70260335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920699241.8U Active CN210381429U (en) | 2019-05-16 | 2019-05-16 | Circuit board, connector, electric connecting device and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210381429U (en) |
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2019
- 2019-05-16 CN CN201920699241.8U patent/CN210381429U/en active Active
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