CN217718683U - Magnetic head with working gap locking clamp spring - Google Patents
Magnetic head with working gap locking clamp spring Download PDFInfo
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- CN217718683U CN217718683U CN202221590492.0U CN202221590492U CN217718683U CN 217718683 U CN217718683 U CN 217718683U CN 202221590492 U CN202221590492 U CN 202221590492U CN 217718683 U CN217718683 U CN 217718683U
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Abstract
The utility model provides a magnetic head with work gap locking jump ring, including the magnetic head body, the magnetic head shell, the magnetic head body includes first magnetic shell and second magnetic shell, the magnetic head is the multi-track magnetic head, the first magnetic sheet of multi-track has on the first magnetic shell, the multi-track second magnetic sheet relative with first magnetic sheet has on the second magnetic shell, the first magnetic sheet of multi-track and multi-track second magnetic sheet insert respectively in this internal skeleton groove of magnetic head, and all be equipped with a clearance piece between every first magnetic sheet rather than the corresponding second magnetic sheet, form a plurality of work gaps, the magnetic head still includes a jump ring, the jump ring sets up in the first magnetic sheet of at least one track, the head region of second magnetic sheet, be used for making first magnetic sheet, the clearance piece is closely laminated to the second magnetic sheet. The utility model discloses make about the magnetic sheet can closely laminate the clearance piece, reduce unusual work gap, can solve the magnetic head assembly back because there is the low bad problem of inductance that great work gap caused in the magnetic sheet head.
Description
Technical Field
The utility model relates to an electronic product technical field, concretely relates to magnetic head with work gap locking jump ring.
Background
The shell fragment is used for pressing from both sides tight fixed magnetic sheet assembly body about in magnetic head inner structure to with shell interference fit, let about magnetic sheet assembly body card can not drop in the shell, and make about realize ground connection between magnetic sheet assembly body and the shell and switch on.
FIG. 1 is a schematic view of the internal assembly of a conventional magnetic head, in which a magnetic sheet and a magnetic shell are assembled to form a left half-shell and a right half-shell, pins are assembled with a frame and wound to form a coil; the bottoms of the magnetic sheets of the left half shell and the right half shell are inserted into the framework groove, the bottoms of the magnetic sheets of the left half shell and the right half shell are directly contacted, a gap sheet needs to be arranged between the heads of the magnetic sheets, and the left magnetic sheet and the right magnetic sheet need to clamp the gap sheet. The half-shell assembly itself has no fixed locking structure, and therefore requires a spring plate to clamp and fix. The spring plate is placed into the half shell assembly body, the bent edge of the spring plate can clamp the bottoms of the left magnetic shell and the right magnetic shell, the half shell assembly body is clamped, the bottoms of the magnetic sheets touch each other, and the head of the magnetic sheet is tightly attached to the gap sheet to clamp the gap sheet; the semi-finished parts clamped by the elastic sheet are pressed into the shell, bosses on the left side and the right side of the elastic sheet touch the inner side face of the shell, so that the semi-finished parts can be tightly clamped in the shell and cannot loosen and fall off, and meanwhile, the magnetic sheet magnetic shell and the shell are switched on to meet the requirement of grounding.
However, in actual assembly, the elastic sheet is often assembled with the inner wall of the housing too tightly, so that the head of the magnetic sheet of the left and right half-shells cannot be attached to the gap sheet. As shown in fig. 2, if the size of the elastic sheet is bigger than normal, the magnetic shell is higher than normal, when the width of the inner wall of the shell is smaller than normal, the elastic sheet can be bent to increase the extrusion force of the magnetic sheet and the magnetic shell, and meanwhile, the bending edge of the elastic sheet is closer to the bottom position of the magnetic sheet, so the extrusion force received by the bottom of the magnetic sheet is the largest, the bottom of the magnetic sheet is too tightly attached to the left and right, the head of the magnetic sheet cannot be tightly attached to the gap sheet, the phenomenon of 'seesaw' occurs, a larger working gap is generated between the magnetic sheets, more occurs in the position of the magnetic sheet of the two rails, because the boss of the elastic sheet is arranged at the middle position, the position of the boss just corresponds to the position of the two rails of the magnetic head, and the extrusion influence received by the magnetic sheet of the two rails is the largest. As shown in FIG. 3, FIG. 3 is a perspective view of the magnetic head assembly, showing the protrusion of the spring plate in the middle of the assembly, corresponding to the two magnetic pieces of the magnetic head. The large working gap between the left and right magnetic sheets will result in low inductance of the magnetic head and affect the read-write performance of the magnetic head.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of magnetic head with work gap locking jump ring, it has mainly solved the magnetic sheet head that appears sometimes in the magnetic head assembling process can't paste tight clearance piece, have the problem in great work gap.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a magnetic head with a working gap locking jump ring, comprising: the magnetic head comprises a magnetic head body and a magnetic head shell extending along the circumferential direction of the magnetic head body, wherein the magnetic head body comprises a first magnetic shell and a second magnetic shell, the magnetic head is a multi-track magnetic head, a multi-track first magnetic sheet is arranged on the first magnetic shell, a multi-track second magnetic sheet opposite to the first magnetic sheet is arranged on the second magnetic shell, the multi-track first magnetic sheet and the multi-track second magnetic sheet are respectively inserted into a framework groove in the magnetic head body, and a gap sheet is arranged between each first magnetic sheet and the corresponding second magnetic sheet to form a plurality of working gaps; the magnetic head further comprises a clamp spring, and the clamp spring is arranged on the head area of the first magnetic sheet and the head area of the second magnetic sheet of at least one rail and used for enabling the first magnetic sheet and the second magnetic sheet to be tightly attached to the gap sheet.
A further scheme is, at an at least rail be provided with a jump ring pilot hole in first magnetic sheet and the second magnetic sheet respectively, at least one rail is assembled into respectively to the both ends of jump ring in the jump ring pilot hole of first magnetic sheet and second magnetic sheet, the both ends of jump ring butt respectively and the extrusion the jump ring pilot hole inner wall of first magnetic sheet and second magnetic sheet, in order to lock first magnetic sheet, second magnetic sheet and gap piece make first magnetic sheet, second magnetic sheet closely laminate the gap piece.
In a further scheme, a clamp spring assembly hole is formed in each of the first magnetic sheet of the second rail and the second magnetic sheet of the second rail.
In a further scheme, a clamp spring assembly hole is formed in each of the first magnetic sheet of the first rail or the third rail and the second magnetic sheet of the second rail.
A further scheme is, at the two rails the side plane of first magnetic sheet head is equipped with first jump ring pilot hole the side plane of second magnetic sheet head of two rails is equipped with second jump ring pilot hole, the one end of jump ring assembles into in the first jump ring pilot hole for the butt extrudees first jump ring pilot hole inner wall, the other end of jump ring assembles into in the second jump ring pilot hole, be used for the butt and extrude second jump ring pilot hole inner wall.
In a further scheme, the clamp spring is of an inner splayed U-shaped structure, and the cross section of the clamp spring is circular.
According to a further scheme, the clamp spring is of a semi-surrounding frame type structure with a rectangular cross section, and two ends of the clamp spring are bent inwards and then bent outwards to extend.
The first magnetic sheet, the second magnetic sheet and the gap sheet are locked through an inner bending structure, so that the first magnetic sheet and the second magnetic sheet are tightly attached to the gap sheet.
The first magnetic sheet, the second magnetic sheet and the gap sheet are locked through an inner bending structure, so that the first magnetic sheet and the second magnetic sheet are tightly attached to the gap sheet.
In a further aspect, the clamp spring is positioned in a window groove of the head case.
Therefore, the utility model provides a take magnetic head of work gap locking jump ring, on current magnetic head structure basis, can't paste tight clearance piece, the problem that has great work gap to the magnetic sheet head that appears sometimes in the magnetic head assembling process, the magnetic sheet head region increases the locking jump ring about the magnetic track, and magnetic sheet head separation about the locking jump ring locking is controlled to magnetic sheet head about preventing for the magnetic sheet can closely laminate the clearance piece about, reduces unusual work gap.
Therefore, the utility model provides a locking jump ring assembly is simple, can manual assembly, also can be through the automatic equipment assembly, need not to carry out great change to magnetic head inner structure, alright with the bad problem that the inductance that causes because there is great work gap in the magnetic sheet head after solving the magnetic head assembly is low.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the internal assembly of a prior art magnetic head.
FIG. 2 is a schematic diagram of an abnormal assembly of a magnetic head of the prior art.
FIG. 3 is a schematic view of the assembly of a magnetic head of the prior art
Fig. 4 is the schematic view of the cross-sectional assembly of the first embodiment of the magnetic head with the working gap locking clamp spring of the present invention.
Fig. 5 is an exploded perspective view of the assembly of the first embodiment of the magnetic head with a work gap locking clamp spring.
Fig. 6 is a schematic diagram of an embodiment of a magnetic head with a work gap locking clamp spring according to the present invention, wherein the clamp spring is assembled on a magnetic sheet.
Fig. 7 is a top view sectional view of an embodiment of a magnetic head with a work gap locking clamp spring of the present invention assembled on a magnetic sheet.
Fig. 8 is an exploded perspective view of the assembly of the clamp spring in the second embodiment of the magnetic head with the working gap locking clamp spring of the present invention.
Fig. 9 is a schematic diagram of a magnetic head with a work gap locking clamp spring according to a second embodiment of the present invention, in which the clamp spring is assembled on a magnetic sheet.
Fig. 10 is a schematic view showing the cross-sectional assembly of the second embodiment of the magnetic head with the working gap locking clamp spring of the present invention.
Fig. 11 is a top sectional view of a second embodiment of the magnetic head with a work gap locking clamp spring of the present invention, the clamp spring being assembled on a magnetic sheet.
Fig. 12 is an exploded perspective view of the assembly of the first embodiment of the magnetic head with a work gap locking clamp spring according to the clamp spring extension scheme.
Fig. 13 is a schematic diagram of an embodiment of a magnetic head with a work gap locking clamp spring according to the present invention, assembled on a magnetic sheet according to a clamp spring expansion scheme.
Fig. 14 is an exploded perspective view of the assembly of the second embodiment of the magnetic head with a work gap locking clamp spring according to the clamp spring extension scheme.
Fig. 15 is a schematic diagram of a second embodiment of a magnetic head with a work gap locking clamp spring according to the present invention, assembled on a magnetic sheet according to a clamp spring expansion scheme.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Magnetic head embodiment I with working gap locking clamp spring
Referring to fig. 4 to 7, the utility model relates to a magnetic head with work gap locking jump ring, include: the magnetic head comprises a magnetic head body and a magnetic head shell extending along the circumferential direction of the magnetic head body, wherein the magnetic head body comprises a first magnetic shell 10 and a second magnetic shell 11, the magnetic head is a multi-track magnetic head, a multi-track first magnetic sheet 12 is arranged on the first magnetic shell 10, a multi-track second magnetic sheet 121 opposite to the first magnetic sheet 12 is arranged on the second magnetic shell 11, the multi-track first magnetic sheet 12 and the multi-track second magnetic sheet 121 are respectively inserted into framework grooves in the magnetic head body, and a gap sheet 13 is arranged between each first magnetic sheet 12 and the corresponding second magnetic sheet 121 to form a plurality of working gaps.
The magnetic head shell is used as an outer frame protective shell, and parts such as the magnetic shell, the magnetic sheet, the framework, the elastic sheet and the like are arranged in the magnetic head shell and then are encapsulated and fixed.
In this embodiment, the magnetic head further includes a clamp spring 14, wherein the clamp spring 14 is disposed on the head regions of the first and second magnetic pieces 12 and 121 for tightly attaching the first and second magnetic pieces 12 and 121 to the gap piece 13.
In this embodiment, a circlip assembling hole 15 is respectively arranged in the first magnetic sheet 12 of the at least one rail and the second magnetic sheet 121, two ends of the circlip 14 are respectively assembled into the circlip assembling holes 15 of the first magnetic sheet 12 of the at least one rail and the second magnetic sheet 121, two ends of the circlip 14 are respectively abutted against and extrude the inner walls of the circlip assembling holes 15 of the first magnetic sheet 12 and the second magnetic sheet 121, so as to lock the first magnetic sheet 12, the second magnetic sheet 121 and the gap sheet 13, and thus the first magnetic sheet 12 and the second magnetic sheet 121 are tightly attached to the gap sheet 13.
A clamp spring assembly hole 15 is respectively formed in the first magnetic piece 12 of the second rail and the second magnetic piece 121 of the second rail.
Be equipped with first jump ring pilot hole 15 at the side plane of the first magnetic sheet 12 head of two rails, be equipped with second jump ring pilot hole 15 at the side plane of the second magnetic sheet 121 head of two rails, during the first jump ring pilot hole 15 of the one end assembly of jump ring 14 for the butt extrudees first jump ring pilot hole 15 inner wall, during the other end assembly of jump ring 14 second jump ring pilot hole 15, is used for the butt and extrudes second jump ring pilot hole 15 inner wall. It can be seen that the snap spring assembly holes 15 are formed in the side planes of the heads of the left magnetic sheet and the right magnetic sheet of the magnetic head two-rail, two feet of the snap spring 14 are assembled into the snap spring assembly holes 15 of the left magnetic sheet and the right magnetic sheet, the snap spring 14 touches and extrudes the inner walls of the assembly holes, the left magnetic sheet and the right magnetic sheet are locked, the heads of the left magnetic sheet and the right magnetic sheet are prevented from being separated, the left magnetic sheet and the right magnetic sheet are enabled to be tightly attached to the gap sheet 13, and the working gap of the magnetic sheet is locked.
Wherein, jump ring 14 is interior eight characters U type structure, and its cross section is circular. It can be seen that, when the clamp spring 14 is assembled, the locking force of the clamp spring 14 on the magnetic sheet is gradually increased along with the deepening of the two feet of the clamp spring into the holes.
As shown in fig. 5, fig. 5 is an assembly explosion diagram of the clamp spring 14 of the present embodiment, the clamp spring 14 is an inner splayed U-shaped structure, the cross section is circular, the first magnetic shell 10 of the magnetic head body is a left magnetic shell, the second magnetic shell 11 is a right magnetic shell, the first magnetic sheet 12 of the magnetic head is a left magnetic sheet, the second magnetic sheet 121 is a right magnetic sheet, the left magnetic sheet of the magnetic head is assembled on the left magnetic shell to form a left half shell, the right magnetic sheet is assembled on the right magnetic shell to form a right half shell, the left half shell and the right half shell are attached and clamped by the elastic sheet 100, the gap sheet 13 is clamped by the left magnetic sheet head and the right magnetic sheet head in the half shell, and the three tracks of the magnetic head are respectively formed by the left magnetic sheet and the right magnetic sheet of the three groups.
The clamp spring assembly holes 15 are respectively arranged in the middles of the head side planes of the left and right magnetic sheets of the two rails, and the clamp spring assembly holes 15 only occupy a small part of the area of the plane of the magnetic sheets, so that the magnetic flux of the magnetic sheets is not influenced. Two feet of the clamp spring 14 are inserted into clamp spring assembly holes 15 of the magnetic sheets, as shown in fig. 6, due to the inner splayed structure of the clamp spring 14, the two feet of the clamp spring 14 clamp the inner walls of the holes, and along with the deepening of the holes of the two feet of the clamp spring 14, the locking force of the clamp spring 14 on the magnetic sheets is gradually increased, so that the heads of the left magnetic sheet and the right magnetic sheet are tightly attached, the gap sheets 13 are tightly attached, the head of the left magnetic sheet and the head of the right magnetic sheet are prevented from being loosened, and a large working gap is prevented from being generated.
Particularly, since the boss of the resilient piece 100 is mainly located in the middle of the resilient piece 100, the force applied by the assembly pressing force between the boss and the housing to the two rail magnetic pieces is greater than that applied to the first rail magnetic piece and the third rail magnetic piece, and therefore the possibility of the two rail magnetic pieces generating an abnormal working gap is high, and in the case of considering the cost, the embodiment preferably adopts a scheme of arranging the snap spring 14 on the two rail magnetic pieces.
As shown in fig. 7, fig. 7 is a sectional view of the head of the magnetic head, two legs of the clamp spring 14 are tightly attached to the inner wall of the clamp spring mounting hole 15 of the disk, so that the left and right disks can be tightly locked and tightly attached to the spacer 13, and the clamp spring 14 does not fall off because the disks and the clamp spring 14 are tightly locked. In addition, the clamp spring 14 is located in the window groove 16 of the head shell, so that assembly conflict with the head shell can be avoided, and structural change of the shell can be avoided.
In this embodiment, a snap spring mounting hole 15 may be formed in each of the first magnet piece 12 of the first rail or the third rail and the second magnet piece 121 of the second rail, the snap spring mounting hole 15 may be formed in the head portion of the first and third magnet pieces, and the snap spring 14 may be mounted in the area of the first and third magnet pieces. In the embodiment, the side planes of the heads of the first and third magnetic sheets of the magnetic head can be provided with the clamp spring assembly holes 15, 3 clamp springs 14 are added, and the 3 clamp springs 14 are respectively inserted into the clamp spring assembly holes 15 of the first and third magnetic sheets, so that each magnetic sheet of the magnetic head is tightly attached to the gap sheet 13, the heads of the left and right magnetic sheets are prevented from loosening, and a larger working gap is avoided. As shown in fig. 12 and 13, fig. 12 shows an exploded view of the assembly of 3 snap springs 14, and fig. 13 shows a schematic view of the 3 snap springs 14 assembled in the magnet sheet snap spring assembly holes 15 and then fixing the magnet sheet.
Therefore, the utility model provides a locking jump ring assembly is simple, can manual assembly, also can be through the automatic equipment assembly, need not to carry out great change to magnetic head inner structure, alright with the bad problem that the inductance that causes because there is great work gap in the magnetic sheet head after solving the magnetic head assembly is low.
Magnetic head embodiment two with work gap locking jump ring
As shown in fig. 8 to 11, a magnetic head with a working gap locking jump ring comprises: the magnetic head comprises a magnetic head body and a magnetic head shell extending along the circumferential direction of the magnetic head body, wherein the magnetic head body comprises a first magnetic shell 20 and a second magnetic shell 21, the magnetic head is a multi-track magnetic head, a multi-track first magnetic sheet 22 is arranged on the first magnetic shell 20, a multi-track second magnetic sheet 221 opposite to the first magnetic sheet 22 is arranged on the second magnetic shell 21, the multi-track first magnetic sheet 22 and the multi-track second magnetic sheet 221 are respectively inserted into a framework groove in the magnetic head body, and a gap sheet 23 is arranged between each first magnetic sheet 22 and the corresponding second magnetic sheet 221 to form a plurality of working gaps.
In this embodiment, the magnetic head further includes a clamp spring 24, the clamp spring 24 is disposed on the head regions of the first and second magnetic pieces 22 and 221 of at least one rail, for tightly attaching the first and second magnetic pieces 22 and 221 to the gap piece 23.
In this embodiment, the clamp spring 24 is a semi-enclosed frame structure with a rectangular cross section, and two ends of the clamp spring are bent inward and then bent outward.
The two ends of the clamp spring 24 are respectively abutted against the outer sides of the heads of the first magnetic sheet 22 of the second rail and the second magnetic sheet 221 of the second rail, and are used for locking the first magnetic sheet 22, the second magnetic sheet 221 and the gap sheet 23 through the inner bending structure, so that the first magnetic sheet 22 and the second magnetic sheet 221 are tightly attached to the gap sheet 23. It can be seen that the clamp spring 24 of this embodiment may also be a semi-enclosed frame structure, the cross section of which is rectangular, and both sides of which are bent inward and then bent outward. The clamp spring 24 locks the positions of the two sides of the heads of the left and right magnetic sheets of the two rails, is positioned above the shoulders of the magnetic sheets, and locks the left and right magnetic sheets and the gap sheet 23 through the structure of bending in the clamp spring so as to lock the working gaps of the magnetic sheets.
The two ends of the clamp spring 24 are respectively abutted to the outer sides of the heads of the first magnetic sheet 22 of the first rail or the third rail and the second magnetic sheet 221 of the first rail or the third rail, and the clamp spring is used for locking the first magnetic sheet 22, the second magnetic sheet 221 and the gap sheet 23 through the inward bending structure of the clamp spring so that the first magnetic sheet 22 and the second magnetic sheet 221 are tightly attached to the gap sheet 23. Therefore, the clamp springs 24 can be additionally arranged at the two sides of the heads of the first-rail magnetic sheet and the third-rail magnetic sheet.
The assembly position of the clamp spring 24 is located in the window groove 26 of the head case, which does not interfere with the assembly of the head case.
In this embodiment, the first magnetic shell 20 of the magnetic head body is a left magnetic shell, the second magnetic shell 21 is a right magnetic shell, the first magnetic sheet 22 of the magnetic head is a left magnetic sheet, the second magnetic sheet 221 is a right magnetic sheet, the left magnetic sheet of the magnetic head is assembled on the left magnetic shell to form a left half shell, the right magnetic sheet is assembled on the right magnetic shell to form a right half shell, the left half shell and the right half shell are attached to each other and are clamped by the elastic sheet 200, the gap sheet 23 is clamped by the left magnetic sheet head and the right magnetic sheet head in the half shell, and the three tracks of the magnetic head are respectively formed by the left magnetic sheet and the right magnetic sheet in three groups.
Specifically, the embodiment may also select an assembly structure using the snap spring 24, as shown in fig. 8, fig. 8 shows an assembly explosion diagram of the snap spring 24, the snap spring 24 is a semi-surrounding frame structure, the cross section is rectangular, and the middle of the two sides of the snap spring is bent inward and then bent outward and extended.
Furthermore, the clamp spring 24 is clamped from the positions on the two sides of the heads of the left and right magnetic sheets of the two rails, and the left and right magnetic sheets and the gap sheet 23 are locked through the structure bent in the clamp spring, so that the purpose of locking the working gap of the magnetic sheets is achieved.
Furthermore, after the clamp spring 24 is assembled, the clamp spring is positioned above the shoulder part of the magnetic sheet to lock the left magnetic sheet and the right magnetic sheet, so that a large working gap is prevented from being generated between the left magnetic sheet and the right magnetic sheet and the gap sheet 23, and meanwhile, the clamp spring 24 cannot fall off due to the fact that the magnetic sheets and the clamp spring 24 are in a tight locking state. As shown in fig. 11, fig. 11 is a top view of the assembly of the snap spring 24, and the snap spring 24 is located in the window groove of the head case, so that the assembly conflict with the head case does not occur, and the case can be prevented from being structurally changed.
In particular, in this embodiment, it is preferable to provide the snap spring 24 on the two rail magnet pieces in consideration of the cost.
Furthermore, 3 clamp springs 24 can be additionally arranged on three track magnetic sheets of the magnetic head, the clamp springs 24 are clamped from the positions on two sides of the head parts of the left magnetic sheet, the right magnetic sheet and the gap sheet 23 of the first magnetic sheet, the second magnetic sheet and the third magnetic sheet of the magnetic head and fall above the shoulder part of the magnetic head, and the left magnetic sheet, the right magnetic sheet and the gap sheet 23 are locked through the structure that the clamp springs 24 are bent inwards, so that the purpose of locking the working gap of the magnetic sheets is achieved, as shown in fig. 14 and 15. In practical application, according to the assembly gap condition of three track magnetic sheets, can select to increase jump ring 24 structure on corresponding track magnetic sheet.
To sum up, the clamp spring 24 of the embodiment has a simple structure, is easy to assemble, can be manually operated, and can also be assembled through automatic equipment, so that the problem of poor inductance caused by the fact that the working gap is larger because the magnetic sheet head, particularly the head of the two-rail magnetic sheet is not tightly attached to the gap sheet 23, can be reduced.
The embodiment also provides a card reader and a card swiping device which are applied to the magnetic head.
Therefore, the utility model provides a take magnetic head of work gap locking jump ring on current magnetic head structure basis, can't paste tight clearance piece, have the problem in great work gap to the magnetic sheet head that appears sometimes in the magnetic head assembling process, magnetic sheet head region increases the locking jump ring about the magnetic track, and magnetic sheet head separation about locking jump ring locking prevents for control the magnetic sheet can closely laminate the clearance piece, reduces the work gap.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a magnetic head with work gap locking jump ring, includes the magnetic head body, follows the magnetic head shell that magnetic head body circumference extends, the magnetic head body includes first magnetism shell and second magnetism shell, its characterized in that:
the magnetic head is a multi-track magnetic head, a first multi-track magnetic sheet is arranged on the first magnetic shell, a second multi-track magnetic sheet opposite to the first magnetic sheet is arranged on the second magnetic shell, the first multi-track magnetic sheet and the second multi-track magnetic sheet are respectively inserted into a framework groove in the magnetic head body, and a gap sheet is arranged between each first magnetic sheet and the corresponding second magnetic sheet to form a plurality of working gaps;
the magnetic head further comprises a clamp spring, and the clamp spring is arranged on the head area of the first magnetic sheet and the head area of the second magnetic sheet of at least one rail and used for enabling the first magnetic sheet and the second magnetic sheet to be tightly attached to the gap sheet.
2. The magnetic head of claim 1, wherein:
at least one rail be provided with a jump ring pilot hole in first magnetic sheet and the second magnetic sheet respectively, at least one rail is assembled into respectively to the both ends of jump ring in the jump ring pilot hole of first magnetic sheet and second magnetic sheet, the both ends of jump ring butt respectively and the extrusion the jump ring pilot hole inner wall of first magnetic sheet and second magnetic sheet, in order to lock first magnetic sheet, second magnetic sheet and gap piece make first magnetic sheet, second magnetic sheet closely laminate the gap piece.
3. A magnetic head as claimed in claim 2, characterized in that:
and a clamp spring assembly hole is respectively arranged in the first magnetic sheet of the second rail and the second magnetic sheet of the second rail.
4. A magnetic head as claimed in claim 2, characterized in that:
and a clamp spring assembly hole is respectively arranged in the first magnetic sheet of the first rail or the third rail and the second magnetic sheet of the second rail.
5. A magnetic head as claimed in claim 3, characterized in that:
in two rails the side plane of first magnetic sheet head is equipped with first jump ring pilot hole the side plane of second magnetic sheet head of two rails is equipped with second jump ring pilot hole, the one end of jump ring is assembled into in the first jump ring pilot hole for the butt extrudees first jump ring pilot hole inner wall, the other end of jump ring is assembled into in the second jump ring pilot hole, be used for the butt and extrude second jump ring pilot hole inner wall.
6. The head of claim 5, wherein:
the clamp spring is of an inner splayed U-shaped structure, and the cross section of the clamp spring is circular.
7. The magnetic head of claim 1, wherein:
the clamp spring is of a semi-surrounding frame type structure with a rectangular cross section, and two ends of the clamp spring are bent inwards and then bent outwards to extend.
8. The head of claim 7, wherein:
the two ends of the clamp spring are respectively abutted to the positions of the two rails, namely the first magnetic sheet and the second rail, on the outer side of the head of the second magnetic sheet, and the clamp spring is used for locking the first magnetic sheet, the second magnetic sheet and the gap sheet through the inwards bent structure, so that the first magnetic sheet and the second magnetic sheet are tightly attached to the gap sheet.
9. The head of claim 7, wherein:
the clamp spring is connected with the first magnetic sheet and the second magnetic sheet through the bent structure, and the two ends of the clamp spring are respectively abutted against the outer sides of the heads of the first magnetic sheet and the second magnetic sheet, and the first magnetic sheet, the second magnetic sheet and the gap sheet are locked through the bent structure, so that the first magnetic sheet and the second magnetic sheet are tightly attached to the gap sheet.
10. A magnetic head as claimed in any one of claims 1 to 9, characterized in that:
the clamp spring is positioned in the window groove of the magnetic head shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590492.0U CN217718683U (en) | 2022-06-23 | 2022-06-23 | Magnetic head with working gap locking clamp spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590492.0U CN217718683U (en) | 2022-06-23 | 2022-06-23 | Magnetic head with working gap locking clamp spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217718683U true CN217718683U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221590492.0U Active CN217718683U (en) | 2022-06-23 | 2022-06-23 | Magnetic head with working gap locking clamp spring |
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| CN (1) | CN217718683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030844A (en) * | 2023-03-27 | 2023-04-28 | 太阳神(珠海)电子有限公司 | Manufacturing method of novel SMT magnetic head and magnetic head thereof |
-
2022
- 2022-06-23 CN CN202221590492.0U patent/CN217718683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030844A (en) * | 2023-03-27 | 2023-04-28 | 太阳神(珠海)电子有限公司 | Manufacturing method of novel SMT magnetic head and magnetic head thereof |
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