CN212554750U - Tool for in-mold injection molding of flexible circuit board and device with tool - Google Patents
Tool for in-mold injection molding of flexible circuit board and device with tool Download PDFInfo
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- CN212554750U CN212554750U CN202022965835.4U CN202022965835U CN212554750U CN 212554750 U CN212554750 U CN 212554750U CN 202022965835 U CN202022965835 U CN 202022965835U CN 212554750 U CN212554750 U CN 212554750U
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- circuit board
- flexible circuit
- tool
- main body
- groove
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Abstract
The application discloses a device that is used for mould plastics flexible circuit board's instrument of moulding plastics in mould and has this instrument. The flexible circuit board comprises a strip-shaped main body and an electric connection part located at the first end of the main body, wherein the main body is provided with a plurality of main body through holes arranged along the length direction of the main body, and the electric connection part is provided with a plurality of connection contacts. The tool includes a securing tab, a support slot and a support cover. The stationary blade is used for with one side adhesive fixation of main part, the stationary blade is the strip that extends along the length direction of main part, the stationary blade have with each main part perforation one-to-one a plurality of reference columns of wearing to establish, each reference column is equallyd divide and is had fixed perforation respectively. The supporting groove is used for accommodating the electric connection part and is matched and attached with the electric connection part, and the supporting groove is provided with a plurality of connecting through holes which are arranged in one-to-one correspondence with the connecting contacts. The supporting cover is used for covering the opening of the supporting groove and is matched and attached with the electric connection part, so that the electric connection part is clamped and fixed. The technical scheme of this application makes the flexible circuit board be located injection moulding product's intermediate position.
Description
Technical Field
The application relates to the field of wearable equipment, in particular to a tool for in-mold injection molding of a flexible circuit board and a device with the tool.
Background
Along with removing wearing equipment's rapid development, many trades have special requirements to wearing equipment's watchband, for example the watchband requires to have detection circuitry, and detection switch just needs to go to the watchband inside to mould plastics in the watchband FPC mould.
SUMMERY OF THE UTILITY MODEL
The application provides a device that is used for mould plastics flexible circuit board's instrument and has this instrument in mould can make flexible circuit board be located the intermediate position of the injection moulding product who obtains, avoids the dome switch to receive the high temperature high pressure influence appear warping, lead to not having the problem of feeling, realizes being connected with outside dial plate.
In a first aspect, embodiments of the present application provide a tool for in-mold molding a flexible circuit board. The flexible circuit board comprises a strip-shaped main body and an electric connection part located at the first end of the main body, wherein the main body is provided with a plurality of main body through holes arranged along the length direction of the main body, and the electric connection part is provided with a plurality of connection contacts. The tool includes a securing tab, a support slot and a support cover. The stationary blade is used for with one side adhesive fixation of main part, the stationary blade is the strip that extends along the length direction of main part, the stationary blade have with each main part perforation one-to-one a plurality of reference columns of wearing to establish, each reference column is equallyd divide and is had fixed perforation respectively. The supporting groove is used for accommodating the electric connection part and is matched and attached with the electric connection part, and the supporting groove is provided with a plurality of connecting through holes which are arranged in one-to-one correspondence with the connecting contacts. The supporting cover is used for covering the opening of the supporting groove and is matched and attached with the electric connection part, so that the electric connection part is clamped and fixed.
In some of these embodiments, the flexible circuit board further includes a dome switch located at the second end of the body. The tool further comprises a key cap which is attached to the outer portion of the snap dome switch.
In some of these embodiments, the support slot has at least one mounting aperture for connection with an external device.
In some of these embodiments, the support slot has at least one securing protrusion.
In some of these embodiments, the key cap has a positioning groove.
In some of these embodiments, the support cover is connected to the support slot via screws that surround the opening of the support slot.
In a second aspect, embodiments of the present application provide an apparatus for in-mold molding a flexible circuit board, comprising a mold and a tool of any of the above embodiments. The mold has a cavity and a slide. The tool is positioned in the cavity, the fixing piece is abutted against the wall surface of the cavity, the peripheral surfaces of two ends of each fixing through hole are respectively attached to the wall surface of the cavity and the wall surface of the sliding block, the supporting grooves are fixed to the wall surface of the cavity, and the peripheral surfaces of the connecting through holes are attached to the wall surface of the cavity.
In some embodiments, the outer periphery of each mounting hole is attached to the wall of the cavity.
In some embodiments, the wall surface of the cavity has at least one fixing groove corresponding to the fixing protrusion. The fixing protrusion is inserted into the fixing groove.
In some embodiments, the wall surface of the slider has a positioning protrusion corresponding to the positioning groove. The positioning protrusion is inserted into the positioning groove.
According to an embodiment of the application, a tool for in-mold injection molding of a flexible circuit board is provided, the flexible circuit board comprises a strip-shaped main body and an electric connection part located at a first end of the main body, the main body is provided with a plurality of main body through holes arranged along the length direction of the main body, and the electric connection part is provided with a plurality of connection contacts. The tool includes a securing tab, a support slot and a support cover. The stationary blade is used for with one side adhesive fixation of main part, the stationary blade is the strip that extends along the length direction of main part, the stationary blade has a plurality of fixed perforation that set up with each main part perforation one-to-one. The supporting groove is used for accommodating the electric connection part and is matched and attached with the electric connection part, and the supporting groove is provided with a plurality of connecting through holes which are arranged in one-to-one correspondence with the connecting contacts. The supporting cover is used for covering the opening of the supporting groove and is matched and attached with the electric connection part, so that the electric connection part is clamped and fixed. The stationary blade in the instrument of this application, support groove and support lid have realized support and location to the flexible circuit board, will arrange the instrument of being connected with the flexible circuit board in the mould back of moulding plastics, and the flexible circuit board is located the intermediate position of the injection moulding product who obtains. The utility model provides a protection to metal dome switch is realized to the button cap in the instrument of this application, has avoided metal dome switch to receive high temperature high pressure to influence the problem that appears warping, lead to not feeling. The support groove in the tool of the present application can be connected with an external dial.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a connection structure between a tool and a flexible printed circuit board according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of the tool and the flexible circuit board according to the embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a watch band in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1-2, embodiments of the present application provide a tool 1 for in-molding a flexible circuit board 2. The tool 1 is suitable for a flexible circuit board 2 and comprises a strip-shaped main body 20 and an electric connection part 21 positioned at a first end of the main body 20, wherein the main body 20 is provided with a plurality of main body through holes 200 arranged along the length direction of the main body, and the electric connection part 21 is provided with a plurality of connection contacts 210. The flexible circuit board 2 may further include a dome switch 22 at a second end of the main body 20.
The tool 1 includes a fixing piece 10, a support groove 11, and a support cover 12. The fixing sheet 10 is used for being fixed with one side of the main body 20 in an adhesive mode, the fixing sheet 10 is in a strip shape extending along the length direction of the main body 20, the fixing sheet 10 is provided with a plurality of positioning columns 101 which are arranged in a penetrating mode and correspond to the main body through holes 200 in a one-to-one mode, and the positioning columns 100 are respectively provided with fixing through holes 100.
The supporting groove 11 is used for accommodating the electrical connection portion 21 and matching and attaching with the electrical connection portion 21, and the supporting groove 11 has a plurality of connection through holes 110 which are arranged in one-to-one correspondence with the connection contacts 210. The support groove 11 may have a mounting penetration hole 111 for connection with an external device. The number of the mounting penetration holes may be plural. The mounting hole 111 is for a screw to pass through. The screw may be self-tapping. The support groove 11 may have at least one fixing protrusion 112. The inner circumferential wall of each mounting hole 111 may be threaded, respectively.
The supporting cover 12 is used for covering the opening of the supporting groove 11 and matching and attaching with the electric connection part 21, so that the electric connection part 21 is clamped and fixed. The support cover 12 may be coupled with the support groove 11 via screws surrounding the opening of the support groove 11. The support cover 12 and the support groove 11 may be made of the same high strength engineering plastic, for example PC +10 GF.
The tool 1 may further comprise a key cap 13, the key cap 13 being adapted to fit over the exterior of the dome switch 22. The key cap 13 may have a positioning groove 130. The key cap 13 and the fixing piece 10 may be made of the same elastic body.
The embodiment of the application also provides a device for in-molding the flexible circuit board 2, which comprises a mold and the tool 1 in any one of the above embodiments. The mold has a cavity and a slide. The tool 1 is positioned in the cavity, the fixing piece 10 is abutted against the wall surface of the cavity, the peripheral surfaces of the two ends of each fixing through hole 100 are respectively attached to the wall surface of the cavity and the wall surface of the slider, the supporting groove 11 is fixed to the wall surface of the cavity, and the peripheral surfaces of the connecting through holes 110 are attached to the wall surface of the cavity. The outer peripheral surface of each mounting hole 111 is attached to the wall surface of the cavity.
The wall surface of the cavity may have at least one fixing groove provided in one-to-one correspondence with the fixing protrusion 112. The fixing protrusion 112 is inserted into the fixing groove. The wall surface of the slider may have a positioning protrusion provided corresponding to the positioning groove 130. The positioning protrusion is inserted into the positioning groove 130.
The watch band obtained with the device of the present application is referred to in fig. 3. The process for manufacturing the watch band may comprise the following steps: and assembling the flexible circuit board with the fixing sheet, the support groove and the support cover to obtain an assembly body. And assembling the assembly body with the cavity. The button cap and the sliding block are assembled, and after the die is assembled, the button cap is attached to the flexible circuit board, so that the flexible circuit board is located at a preset position in the watchband, the dome switch in the watchband is protected, and the watchband can be electrically and mechanically connected with other structures.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A tool for in-mold injection molding of a flexible circuit board, the flexible circuit board comprising a strip-shaped main body and an electrical connection portion at a first end of the main body, the main body having a plurality of main body perforations arranged along a length direction thereof, the electrical connection portion having a plurality of connection contacts; characterized in that said tool comprises:
the fixing piece is in a strip shape extending along the length direction of the main body and is provided with a plurality of positioning columns which are penetrated and arranged in a one-to-one correspondence manner with the through holes of the main body, and the positioning columns are respectively provided with fixing through holes;
the supporting groove is used for accommodating the electric connection part and is matched and attached with the electric connection part, and the supporting groove is provided with a plurality of connecting through holes which are arranged in one-to-one correspondence with the connecting contacts;
and the supporting cover is used for covering the opening of the supporting groove and matching and attaching with the electric connection part, so that the electric connection part is clamped and fixed.
2. The tool for in-mold molding a flexible circuit board according to claim 1,
the flexible circuit board further comprises a dome switch positioned at the second end of the main body;
the tool further comprises a key cap, and the key cap is attached to the outer portion of the snap dome switch.
3. The tool for in-mold molding a flexible circuit board according to claim 1,
the support groove has at least one mounting penetration hole for connection with an external device.
4. The tool for in-mold molding a flexible circuit board according to claim 1,
the support groove has at least one fixing protrusion.
5. The tool for in-mold molding a flexible circuit board according to claim 2,
the key cap is provided with a positioning groove.
6. The tool for in-mold molding a flexible circuit board according to claim 1,
the support cover is connected with the support groove by a screw surrounding the opening of the support groove.
7. An apparatus for in-mold molding a flexible circuit board, comprising:
a mold having a cavity and a slide;
the tool for in-mold injection molding of the flexible circuit board according to any one of claims 1 to 6, wherein a fixing piece is located in the cavity and abuts against the wall surface of the cavity, the outer circumferential surfaces of both ends of each fixing through hole are respectively attached to the wall surface of the cavity and the wall surface of the slider, a supporting groove is fixed to the wall surface of the cavity, and the outer circumferential surfaces of each connecting through hole are attached to the wall surface of the cavity.
8. The apparatus for in-mold molding a flexible circuit board according to claim 7,
the peripheral surface of each mounting through hole of the supporting groove is attached to the wall surface of the cavity.
9. The apparatus for in-mold molding a flexible circuit board according to claim 7,
the wall surface of the cavity is provided with at least one fixing groove which is arranged in one-to-one correspondence with the fixing protrusion;
the fixing protrusion is inserted into the fixing groove.
10. The apparatus for in-mold molding a flexible circuit board according to claim 7,
the wall surface of the sliding block is provided with a positioning bulge which is arranged corresponding to the positioning groove;
the positioning protrusion is inserted into the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965835.4U CN212554750U (en) | 2020-12-10 | 2020-12-10 | Tool for in-mold injection molding of flexible circuit board and device with tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965835.4U CN212554750U (en) | 2020-12-10 | 2020-12-10 | Tool for in-mold injection molding of flexible circuit board and device with tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212554750U true CN212554750U (en) | 2021-02-19 |
Family
ID=74622499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022965835.4U Active CN212554750U (en) | 2020-12-10 | 2020-12-10 | Tool for in-mold injection molding of flexible circuit board and device with tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212554750U (en) |
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2020
- 2020-12-10 CN CN202022965835.4U patent/CN212554750U/en active Active
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