CN210670715U - Flexible circuit board with protective structure - Google Patents
Flexible circuit board with protective structure Download PDFInfo
- Publication number
- CN210670715U CN210670715U CN201921048013.0U CN201921048013U CN210670715U CN 210670715 U CN210670715 U CN 210670715U CN 201921048013 U CN201921048013 U CN 201921048013U CN 210670715 U CN210670715 U CN 210670715U
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- Prior art keywords
- circuit board
- board body
- base plate
- layer
- protective
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- 230000001681 protective effect Effects 0.000 title claims abstract description 34
- 210000002489 tectorial membrane Anatomy 0.000 claims abstract description 8
- 239000012634 fragment Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 39
- 239000000758 substrate Substances 0.000 description 16
- 239000007888 film coating Substances 0.000 description 5
- 238000009501 film coating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000370 laser capture micro-dissection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a flexible circuit board with protective structure, including circuit board body, protection component and concatenation subassembly, the upper surface of circuit board body is provided with the wiring layer, and for pasting between wiring layer and the circuit board body, the inboard of circuit board body is including PI base plate layer, first base plate film, copper-clad plate, second base plate film and PI tectorial membrane layer, the upper and lower both sides on PI base plate layer all are fixed with first base plate film, and the outside of first base plate film installs the copper-clad plate, the outside of copper-clad plate bonds and has second base plate film, and the outside of second base plate film is fixed with PI tectorial membrane layer, protection component installs in the four corners department of circuit board body, concatenation unit mount is in the left and right sides of circuit board body. This flexible circuit board with protective structure is provided with the effect that protective assembly can play the protection, and the protecting crust is convenient for carry out the elasticity protection to the upper and lower both sides face of circuit board body four corners department under buffer spring's elastic action.
Description
Technical Field
The utility model relates to a flexible circuit board technical field specifically is a flexible circuit board with protective structure.
Background
The flexible printed circuit board is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent performance. The flexible printed circuit board or FPC for short has the characteristics of high wiring density, light weight and thin thickness. The method is mainly used for a plurality of products such as mobile phones, notebook computers, PDAs, digital cameras, LCMs and the like.
The conventional flexible circuit board is simple in general structure, does not have a corresponding protection structure, is easy to damage in the using process, and is not convenient for splicing two adjacent circuit boards.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible circuit board with protective structure to the current flexible circuit board general structure who proposes in solving above-mentioned background is comparatively simple, does not have corresponding protective structure, damages easily at the in-process that uses, and the problem of the concatenation of two adjacent circuit boards of not being convenient for.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible circuit board with protective structure, includes circuit board body, protection component and concatenation subassembly, the upper surface of circuit board body is provided with wiring layer, and for pasting between wiring layer and the circuit board body, the inboard on circuit board body is including PI base plate layer, first base plate film, copper-clad plate, second base plate film and PI tectorial membrane layer, the upper and lower both sides on PI base plate layer all are fixed with first base plate film, and the outside of first base plate film installs the copper-clad plate, the outside of copper-clad plate bonds and has second base plate film, and the outside of second base plate film is fixed with PI tectorial membrane layer, protection component installs in the four corners department of circuit board body, concatenation unit mount is in the left and right sides of circuit board body.
Preferably, the protection assembly comprises a protection shell, a buffer spring and a rubber layer, the buffer spring is welded on the inner side of the protection shell, and the rubber layer is fixed on the inner side of the buffer spring.
Preferably, the symmetric center between the protective shells coincides with the symmetric center of the circuit board body, and the buffer springs on the inner sides of the protective shells are symmetrically and uniformly distributed on the two side faces of the circuit board body.
Preferably, the inner side surface of the rubber layer is attached to the outer side surface of the circuit board body, and the rubber layer is glued to the circuit board body.
Preferably, the splicing assembly comprises a clamping elastic sheet, an expansion spring and a clamping groove, the clamping elastic sheet is fixed on one side of the circuit board body, the expansion spring is welded between the clamping elastic sheets, and the clamping groove is installed on the other side of the circuit board body.
Preferably, the elastic clamping sheets are symmetrical with respect to the transverse center line of the extension spring, and the elastic clamping sheets form an elastic structure through the extension spring.
Compared with the prior art, the beneficial effects of the utility model are that: the flexible circuit board with the protection structure is provided with the protection assembly which can play a role in protection, the protection shell can uniformly protect the outer side of the circuit board body, and the protection shell can be used for elastically protecting the upper side surface and the lower side surface of the four corners of the circuit board body under the elastic action of the buffer spring, so that the circuit board body is prevented from being collided or broken, and the buffer spring can be prevented from wearing the circuit board body due to the arrangement of the rubber layer;
the copper-clad plate of the circuit board body is very thin and is not enough to independently support the second substrate film and the PI film coating layer, and the PI substrate layer of the circuit board body can play a role in strengthening and thickening, so that the circuit board body is more stable in structure and not easy to break, and the PI film coating layer has the characteristics of high temperature resistance, wear resistance, insulation and the like, so that the service life of the circuit board body is prolonged conveniently;
the concatenation subassembly set up the concatenation of two circuit board bodies of being convenient for fixed, thereby the card plays the effect that elasticity is pressurized with the card shell fragment of expanding spring setting to both sides between two sets of card shell fragments about expanding spring's horizontal central line symmetry between the card shell fragment, thereby the card shell fragment can block the inside of draw-in groove and laminate in the inner wall of draw-in groove under expanding spring's elastic action for mosaic structure more adds closely, and difficult pine takes off.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
fig. 5 is the schematic diagram of the sectional structure of the circuit board body of the present invention.
In the figure: 1. a circuit board body; 101. a PI substrate layer; 102. a first substrate film; 103. copper-clad plate; 104. a second substrate film; 105. a PI film coating layer; 2. a guard assembly; 201. a protective shell; 202. a buffer spring; 203. a rubber layer; 3. a wiring layer; 4. splicing the components; 401. a card spring sheet; 402. a tension spring; 403. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a flexible circuit board with a protection structure comprises a circuit board body 1, a PI substrate layer 101, a first substrate film 102, a copper-clad plate 103, a second substrate film 104, a PI film-coated layer 105, a protection component 2, a protection shell 201, a buffer spring 202, a rubber layer 203, a wiring layer 3, a splicing component 4, a card spring piece 401, a telescopic spring 402 and a card slot 403, wherein the wiring layer 3 is arranged on the upper surface of the circuit board body 1, the wiring layer 3 is adhered to the circuit board body 1, the inner side of the circuit board body 1 comprises a PI substrate layer 101, a first substrate film 102, a copper-clad plate 103, a second substrate film 104 and a PI film coating layer 105, the first substrate film 102 is fixed on both the upper side and the lower side of the PI substrate layer 101, a copper-clad plate 103 is mounted on the outer side of the first substrate film 102, a second substrate film 104 is bonded on the outer side of the copper-clad plate 103, and a PI film coating layer 105 is fixed on the outer side of the second substrate film 104;
the protective component 2 is arranged at four corners of the circuit board body 1, the protective component 2 comprises a protective shell 201, a buffer spring 202 and a rubber layer 203, the buffer spring 202 is welded at the inner side of the protective shell 201, the rubber layer 203 is fixed at the inner side of the buffer spring 202, the symmetric center between the protective shells 201 is superposed with the symmetric center of the circuit board body 1, the buffer springs 202 at the inner side of the protective shells 201 are symmetrically and uniformly distributed at two side surfaces of the circuit board body 1, the symmetric center between the protective shells 201 is superposed with the symmetric center of the circuit board body 1 so as to be convenient for the protective shells 201 to uniformly protect the outer side of the circuit board body 1, the buffer springs 202 are symmetrically and uniformly distributed at two side surfaces of the circuit board body 1 so as to ensure that the protective shells 201 elastically protect the upper and lower side surfaces of the four corners of the circuit board body 1 under the elastic action of the buffer spring 202, the rubber layer 203 is glued with the circuit board body 1, the inner side surface of the rubber layer 203 is glued with the outer side surface of the circuit board body 1, so that the rubber layer 203 can be arranged to prevent the buffer spring 202 from wearing the circuit board body 1, and the rubber layer 203 and the circuit board body 1 are glued, so that the protective component 2 and the circuit board body 1 are glued;
the splicing assembly 4 is arranged at the left side and the right side of the circuit board body 1, the splicing assembly 4 comprises a card spring plate 401, an extension spring 402 and a card slot 403, the card spring plate 401 is fixed at one side of the circuit board body 1, and an extension spring 402 is welded between the elastic clamping sheets 401, a clamping groove 403 is installed at the other side of the circuit board body 1, the elastic clamping sheets 401 are symmetrical with respect to the transverse center line of the extension spring 402, and card shell fragment 401 constitutes elastic construction through expanding spring 402, thereby card shell fragment 401 of both sides is played the effect of elasticity pressurization with expanding spring 402 setting between two sets of card shell fragments 401 to the symmetrical effect of horizontal central line about expanding spring 402 between the card shell fragment 401, card shell fragment 401 constitutes elastic construction through expanding spring 402 and makes card shell fragment 401 can block the inside of draw-in groove 403 and laminate in the inner wall of draw-in groove 403 under the elastic action of expanding spring 402, realize that the concatenation of two circuit board bodies 1 is fixed.
The working principle is as follows: for the flexible circuit board with the protection structure, firstly, the wiring layers 3 on the upper side and the lower side of the circuit board body 1 can be pasted and wired, and the protection components 2 are arranged at the four corners of the circuit board body 1, so that the protection shell 201 can uniformly protect the outer side of the circuit board body 1, and the protection shell 201 can elastically protect the upper side and the lower side of the four corners of the circuit board body 1 under the elastic action of the buffer spring 202, thereby preventing the circuit board body 1 from being collided or broken, wherein the arrangement of the rubber layer 203 can prevent the buffer spring 202 from wearing the circuit board body 1,
and can also with the card shell fragment 401 joint of a circuit board body 1 one side to the draw-in groove 403 of another circuit board body 1 opposite side in the in-process of using, make card shell fragment 401 can block the inside of draw-in groove 403 and laminate in the inner wall of draw-in groove 403 under the elastic action of expanding spring 402, realize that the concatenation of two circuit board bodies 1 is fixed, because the copper-clad plate 103 of circuit board body 1 is very thin when using, be not enough to support second base plate film 104 and PI tectorial membrane layer 105 alone, the PI base plate layer 101 of circuit board body 1 can play the effect of reinforcing and thickening this moment, and PI tectorial membrane layer 105 has high temperature resistant, characteristics such as stand wear and tear and insulation, just so accomplish whole flexible circuit board's that has protective structure use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a flexible circuit board with protective structure, includes circuit board body (1), protection component (2) and concatenation subassembly (4), its characterized in that: the upper surface of circuit board body (1) is provided with wiring layer (3), and is pasting between wiring layer (3) and circuit board body (1), the inboard of circuit board body (1) is including PI base plate layer (101), first base plate film (102), copper-clad plate (103), second base plate film (104) and PI tectorial membrane layer (105), the upper and lower both sides on PI base plate layer (101) all are fixed with first base plate film (102), and the outside of first base plate film (102) installs copper-clad plate (103), the outside of copper-clad plate (103) bonds and has second base plate film (104), and the outside of second base plate film (104) is fixed with PI tectorial membrane layer (105), protection component (2) are installed in the four corners department of circuit board body (1), concatenation component (4) are installed in the left and right sides of circuit board body (1).
2. The flexible circuit board with a protective structure according to claim 1, wherein: the protective component (2) comprises a protective shell (201), a buffer spring (202) and a rubber layer (203), wherein the buffer spring (202) is welded on the inner side of the protective shell (201), and the rubber layer (203) is fixed on the inner side of the buffer spring (202).
3. The flexible circuit board with a protective structure according to claim 2, wherein: the symmetric center between the protective shells (201) coincides with the symmetric center of the circuit board body (1), and the buffer springs (202) on the inner side of the protective shells (201) are symmetrically and uniformly distributed on two side faces of the circuit board body (1).
4. The flexible circuit board with a protective structure according to claim 2, wherein: the inner side surface of the rubber layer (203) is attached to the outer side surface of the circuit board body (1), and the rubber layer (203) is glued with the circuit board body (1).
5. The flexible circuit board with a protective structure according to claim 1, wherein: splicing assembly (4) is including card shell fragment (401), expanding spring (402) and draw-in groove (403), card shell fragment (401) are fixed in one side of circuit board body (1), and the welding has expanding spring (402) between card shell fragment (401), draw-in groove (403) are installed to the opposite side of circuit board body (1).
6. The flexible circuit board with a protective structure according to claim 5, wherein: the clamping spring pieces (401) are symmetrical with respect to the transverse center line of the extension spring (402), and the clamping spring pieces (401) form an elastic structure through the extension spring (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048013.0U CN210670715U (en) | 2019-07-05 | 2019-07-05 | Flexible circuit board with protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048013.0U CN210670715U (en) | 2019-07-05 | 2019-07-05 | Flexible circuit board with protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210670715U true CN210670715U (en) | 2020-06-02 |
Family
ID=70813113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921048013.0U Active CN210670715U (en) | 2019-07-05 | 2019-07-05 | Flexible circuit board with protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210670715U (en) |
-
2019
- 2019-07-05 CN CN201921048013.0U patent/CN210670715U/en active Active
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