CN218634388U - Magnetic head guide structure - Google Patents
Magnetic head guide structure Download PDFInfo
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- CN218634388U CN218634388U CN202222581958.7U CN202222581958U CN218634388U CN 218634388 U CN218634388 U CN 218634388U CN 202222581958 U CN202222581958 U CN 202222581958U CN 218634388 U CN218634388 U CN 218634388U
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- guide
- positioning cavity
- magnetic head
- welding part
- guide groove
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Abstract
The utility model relates to the technical field of circuit boards, and discloses a magnetic head guide structure which comprises a flexible circuit board, a guide block and a magnetic head piece; the flexible circuit board comprises a welding part and a gold finger part extending outwards from the welding part; the magnetic head piece is provided with a positioning cavity for positioning and arranging the welding part, and one side of the positioning cavity is provided with an opening for the golden finger part to extend outwards from the positioning cavity; the guide block is fixed at the opening, the guide block is provided with a guide groove for the golden finger part to be arranged, and the plane of the guide groove is parallel to the plane of the positioning cavity; the welding part is positioned in the positioning cavity, and one end of the golden finger part close to the welding part is positioned and arranged in the guide groove. The utility model discloses technical scheme aims at improving the assembly stability of flexible line way board and magnetic head.
Description
Technical Field
The utility model relates to a circuit board technical field, in particular to magnetic head guide structure.
Background
After the existing magnetic head semi-finished product is finished, the magnetic head semi-finished product is assembled with a flexible circuit board and welded to be manufactured into a magnetic head finished product; in the actual production process, the flexible circuit board can have some deflection and tilting adverse conditions after being welded, the adverse condition of the assembly state of the flexible circuit board is not beneficial to the subsequent assembly of the magnetic head in a card reader or a card swiping device, and the flexible circuit board is deflected and tilted, namely, the position of the metal finger end of the flexible circuit board is staggered relative to the magnetic head body, so that after the metal finger of the flexible circuit board is inserted into the mainboard connector, namely, the position of the magnetic head body is staggered relative to the mainboard connector, the flexible circuit board can be twisted between the magnetic head body and the mainboard connector, and the card swiping performance of the magnetic head and the service life of the flexible circuit board can be affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic head guide structure aims at improving the assembly stability of flexible line way board and magnetic head.
In order to achieve the above object, the present invention provides a magnetic head guiding structure, which includes a flexible circuit board, a guiding block, and a magnetic head piece; the flexible circuit board comprises a welding part and a gold finger part extending outwards from the welding part;
the magnetic head piece is provided with a positioning cavity for positioning and arranging the welding part, and one side of the positioning cavity is provided with an opening for the golden finger part to extend outwards from the positioning cavity; the guide block is fixed at the opening, a guide groove for the golden finger part to be arranged is formed in the guide block, and the plane of the guide groove is parallel to the plane of the positioning cavity;
the welding part is positioned in the positioning cavity, and one end, close to the welding part, of the golden finger part is positioned and arranged in the guide groove.
In some embodiments of the invention, the positioning cavity comprises an abutting sidewall; when the welding part is arranged in the positioning cavity, the abutting side wall abuts against the peripheral side of the welding part.
In some embodiments of the invention, the guide slot comprises a guide sidewall; when the golden finger part is arranged in the guide groove, the guide side wall is abutted to the side edge of the golden finger part.
In some embodiments of the invention, the length of the guide groove is 4-5 times the thickness of the abutment sidewall.
In some embodiments of the present invention, the magnetic head device includes a housing and a pin portion, the housing covers the pin portion and is formed with an opening in the side thereof, the positioning cavity is formed with the opening, the inner wall of the housing abuts against the welding portion, and the guide block is fixed to the housing.
In some embodiments of the present invention, two sides of the guiding block are provided with engaging grooves, and two sides of the opening of the housing are provided with engaging walls for engaging and connecting the engaging grooves; the fitting groove is connected with the fitting wall in a fitting manner.
In some embodiments of the present invention, the guide groove is provided with an adhesive for adhering the gold finger portion, and the adhesive area covers more than three-fourths of the plane area of the guide groove.
The technical scheme of the utility model realizes the installation and positioning of the welding part through the positioning cavity, avoids the dislocation of the welding part during welding alignment, and realizes the extension of the golden finger part from the positioning cavity through the opening, thereby being convenient for the electric connection with external equipment; the guide groove is fixed at the opening, so that the golden finger part close to one end of the welding part can be positioned and arranged in the guide groove, the golden finger part extending out of the guide groove is prevented from being positioned in the vertical direction under the influence of gravity or other shaking, and the golden finger part is supported in the vertical direction through the guide groove; the positioning cavity and the guide block are used for positioning and supporting the flexible circuit board, so that the assembly stability of the flexible circuit board during installation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of the magnetic head guide structure of the present invention;
FIG. 2 is a schematic structural diagram of a magnetic head guiding structure according to the present invention;
FIG. 3 is a second schematic structural diagram of the head guide structure of the present invention.
The reference numbers illustrate:
100. a flexible circuit board; 110. welding the part; 120. a gold finger portion; 200. a guide block; 210. a guide groove; 211. a guide side wall; 220. a fitting groove; 300. a head piece; 310. a positioning cavity; 311. abutting the side wall; 320. an opening; 330. a housing; 340. a stitch portion;
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides a magnetic head guiding structure, which comprises a flexible circuit board 100, a guiding block 200 and a magnetic head piece 300; the flexible circuit board 100 includes a soldering portion 110 and a gold finger portion 120 extending outward from the soldering portion 110; the soldering portion 110 is fixedly soldered to the pin of the magnetic head 300, and the gold finger portion 120 is electrically connected to an external device, so that electrical signal transmission with the magnetic head 300 is realized.
Referring to fig. 1-3, the magnetic head 300 has a positioning cavity 310 for positioning the soldering portion 110, and an opening 320 for the gold finger portion 120 to extend from the positioning cavity 310 is formed at one side of the positioning cavity 310; the guide block 200 is fixed in the opening 320, the guide block 200 is provided with a guide groove 210 for the golden finger part 120 to be arranged, and the plane of the guide groove 210 is parallel to the plane of the positioning cavity 310; the welding part 110 is positioned in the positioning cavity 310, and the gold finger part 120 is positioned in the guide groove 210 near one end of the welding part 110.
Based on the magnetic head guiding structure with the technical characteristics, the installation and positioning of the welding part 110 are realized through the positioning cavity 310, the dislocation of the welding part 110 during welding alignment is avoided, and the gold finger part 120 is extended out from the positioning cavity 310 through the opening 320, so that the gold finger part is conveniently electrically connected with external equipment; the guide groove 210 is fixed at the opening 320, so that the golden finger part 120 close to one end of the welding part 110 can be positioned and arranged in the guide groove 210, the golden finger part 120 extending out of the guide groove can be prevented from being positioned in the vertical direction under the influence of gravity or other shaking, and the golden finger part 120 can be supported in the vertical direction through the guide groove 210; the positioning cavity 310 and the guide block 200 can be used for positioning and supporting the flexible circuit board 100, so that the assembly stability of the flexible circuit board 100 during installation is improved.
Further, the positioning cavity 310 includes an abutment sidewall 311; when the welding part 110 is arranged in the positioning cavity 310, the abutting side wall 311 abuts against the peripheral side of the welding part 110; the abutting side wall 311 limits and abuts the circumferential side of the welding part 110, so that displacement generated in the positioning cavity 310 during welding and positioning of the welding part 110 is avoided, and the mounting stability of the flexible circuit board 100 in the positioning cavity 310 is further improved.
Specifically, the guide groove 210 includes a guide sidewall 211; when the gold finger portion 120 is disposed in the guiding groove 210, the guiding sidewall 211 abuts against the side of the gold finger portion 120; the two sides of the golden finger part 120 are further limited and abutted through the guide side wall 211, the movement of the two sides of the golden finger part 120 in the horizontal direction is limited, the positioning effect of the abutting side wall 311 on the welding part 110 is combined, the horizontal positioning of the whole flexible circuit board 100 on the magnetic head piece 300 is further improved, and the mounting stability is ensured.
In this embodiment, the length of the guide slot 210 is 4-5 times the thickness of the abutting side wall 311, so as to ensure that the guide slot 210 supports the gold finger part 120 in the vertical direction and prevent the guide slot 210 from being too long to affect the flexible movement of the flexible circuit board 100 when the magnetic head mechanism is used.
The magnetic head 300 includes a housing 330 and a pin 340, the housing 330 covers the pin 340 and is opened to form a positioning cavity 310 and an opening 320, the inner sidewall of the housing 330 abuts against the soldering portion 110, and the guiding block 200 is fixed to the housing 330; the positioning of the flexible wiring board 100 is achieved by the covering of the housing 330.
Further, two sides of the guide block 200 are provided with fitting grooves 220, and two sides of the opening 320 of the housing 330 are provided with fitting walls for fitting and connecting the fitting grooves 220; the fitting groove 220 is fitted and connected to the fitting wall. The fitting groove 220 is used to fit and fix the guide block 200 to the housing 330, and to fix the guide block to the positioning cavity 310.
In this embodiment, the guiding slot 210 is provided with an adhesive for adhering the gold finger part 120, and the area of the adhesive covers more than three fourths of the plane area of the guiding slot 210; the guide groove 210 and the flexible circuit board 100 can be bonded and fixed, and the flexible circuit board 100 is prevented from tilting in the guide groove 210.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A magnetic head guide structure is characterized by comprising a flexible circuit board, a guide block and a magnetic head piece; the flexible circuit board comprises a welding part and a gold finger part extending outwards from the welding part;
the magnetic head piece is provided with a positioning cavity for positioning and arranging the welding part, and one side of the positioning cavity is provided with an opening for the golden finger part to extend outwards from the positioning cavity; the guide block is fixed at the opening, a guide groove for the golden finger part to be arranged is formed in the guide block, and the plane of the guide groove is parallel to the plane of the positioning cavity;
the welding part is positioned in the positioning cavity, and one end, close to the welding part, of the golden finger part is positioned and arranged in the guide groove.
2. The head guide structure as claimed in claim 1, wherein said positioning cavity comprises an abutting sidewall; when the welding part is arranged in the positioning cavity, the abutting side wall abuts against the peripheral side of the welding part.
3. The head guide structure as claimed in claim 1, wherein said guide groove includes a guide sidewall; when the golden finger part is arranged in the guide groove, the guide side wall is abutted to the side edge of the golden finger part.
4. The head guide structure as claimed in claim 2, wherein the length of said guide groove is 4 to 5 times the thickness of said abutment sidewall.
5. The head guide structure according to claim 1, wherein the head element includes a case and a pin portion, the case covers a peripheral side of the pin portion and is open to form the positioning cavity and the opening, an inner sidewall of the case abuts against the welding portion, and the guide block is fixed to the case.
6. The head guide structure according to claim 5, wherein fitting grooves are formed on both sides of the guide block, and fitting walls for fitting the fitting grooves are formed on both sides of the opening of the case; the fitting groove is connected with the fitting wall in a fitting manner.
7. The head guide structure of claim 1 wherein said guide grooves are provided with adhesive for adhering said gold finger portions, said adhesive having an area covering more than three quarters of the area of the plane of said guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581958.7U CN218634388U (en) | 2022-09-27 | 2022-09-27 | Magnetic head guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581958.7U CN218634388U (en) | 2022-09-27 | 2022-09-27 | Magnetic head guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218634388U true CN218634388U (en) | 2023-03-14 |
Family
ID=85468778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222581958.7U Active CN218634388U (en) | 2022-09-27 | 2022-09-27 | Magnetic head guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218634388U (en) |
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2022
- 2022-09-27 CN CN202222581958.7U patent/CN218634388U/en active Active
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