CN207909143U - Magnetic card reader and its magnetic card magnetic head - Google Patents
Magnetic card reader and its magnetic card magnetic head Download PDFInfo
- Publication number
- CN207909143U CN207909143U CN201820180312.9U CN201820180312U CN207909143U CN 207909143 U CN207909143 U CN 207909143U CN 201820180312 U CN201820180312 U CN 201820180312U CN 207909143 U CN207909143 U CN 207909143U
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- Prior art keywords
- magnetic
- clamp spring
- clamper
- magnetic core
- protrusion
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- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Magnetic Heads (AREA)
Abstract
This application provides a kind of magnetic card reader and its magnetic card magnetic heads, the magnetic card magnetic head includes shielding case and the head stack that is sleeved in shielding case, the head stack includes a group or more of magnetic core group, clamper and clamp spring, the magnetic core group is fixed in the slot of clamper formation, is clamped two clampers of opposite installation using clamp spring；The clamp spring is dissymmetrical structure, wherein the length of clamp spring first end protrusion is more than the length of clamp spring second end protrusion；Clamp spring first end protrusion is directly contacted with shielding case；Clamp spring second end protrusion is directed at the screw hole of shielding case, is contacted with the screw for being screwed into screw hole.Application scheme can not only firmly block left and right clamper by the means that above-mentioned clamp spring both sides are all tight fits, and because without movable space in shielding case, can largely enhancing structure stability.
Description
Technical field
This application involves magnetic recording equipment technical fields, particularly, are related to a kind of magnetic card reader and its magnetic card magnetic head.
Background technology
Magnetic card magnetic head is the critical component of magnetic card machine, and it information record between system magnetic card and take out most important turn that it, which undertakes,
The effect of changing.Currently, magnetic card magnetic head has application in all trades and professions：Card phone, the access magnetic card of banking system, attendance checking system,
Gatekeeper system, fuel loading system, coded lock, subway automatic ticket-selling system etc..
The schematic cross-sectional view of existing magnetic card magnetic head is shown with reference to Fig. 5, including：Several magnetic core groups 12, clamper 11,
Line packet 13, spacer shims 14, shielding case 15, connecting terminal 16.The assemble method of existing magnetic card magnetic head is：Discrete piece magnetic core builds up several
Magnetic core group 12 is fixed in the slot of the formation of clamper 11, and line packet 13 and spacer shims 14 are respectively assembled at the upper and lower of clamper 11
Portion forms the head stack of class transformer device structure, is then entangled by shielding case 15, and screw passes through the screw hole of the side of shielding case
17 fixed functions, remaining space is filled using resin in shielding case 15, and exposed connecting terminal 16 is drawn on line packet 13.
Wherein, if as a whole by the component in shielding case 15（I.e. as a component of magnetic card magnetic head, this Shen
It please middle abbreviation head stack）, assembling process is：Magnetic core group 12 is packed into clamper 11 and is compressed；By left and right clamper 11
Relatively, line packet 13 is sleeved on clamper leg, and spacer shims 14 are put among two clampers 11, then uses clamp spring 18 that two are clamped
Device 11 is clamped, and so that above-mentioned each component is combined, the head stack after combination is as shown in Figure 6.
Existing magnetic card magnetic head generally uses conductivity water to connect magnetic core and clamper, then connects clamper and shielding with clamp spring
Shell, therefore head stack shakes in shielding case, can influence the information collection performance of product to a certain extent.
Invention content
The application provides a kind of magnetic card reader and its magnetic card magnetic head, can solve that existing head stack stability is bad to ask
Topic.
A kind of magnetic card magnetic head provided by the present application, including shielding case and the head stack that is sleeved in shielding case, it is described
Head stack includes a group or more of magnetic core group, clamper and clamp spring, and the magnetic core group is fixed on clamper formation
In slot, two clampers of opposite installation are clamped using clamp spring；Magnetic core group bottom end is provided with magnetic core protrusion；The clamping
Device bottom end position corresponding with magnetic core protrusion is provided with through-hole, and the magnetic core protrusion passes through the bottom of through-hole protrusion clamper
Face；The clamp spring is dissymmetrical structure, wherein：The length of clamp spring first end protrusion is more than clamp spring second end protrusion
Length；Clamp spring first end protrusion is directly contacted with shielding case；Clamp spring second end protrusion is directed at the screw hole of shielding case,
It is contacted with the screw for being screwed into screw hole.
Preferably, magnetic core group bottom end is provided with magnetic core protrusion；Clamper bottom end position corresponding with magnetic core protrusion
It installs and is equipped with through-hole, the magnetic core protrusion passes through the bottom surface of through-hole protrusion clamper；The clamp spring is connected to magnetic core protrusion
Prominent position.
Preferably, the clamper is an integral molding structure with magnetic core group.
Preferably, each magnetic core group is made of multiple magnetic core discrete piece by being laser welded.
Preferably, the magnetic core group Ci Zuichu be arranged it is fluted, the clamper corresponding position be provided with it is described
The clamping protrusion of groove shapes cooperation, the clamping protrusion are integrally formed with the clamper.
A kind of magnetic card reader provided by the present application includes above-mentioned magnetic card magnetic head.
Compared with prior art, the application has the following advantages：
Since clamp spring is asymmetrical in shape in application scheme, the clamp spring protrusion of one end is shorter, corresponding shielding case
Screw hole site after screw is screwed into, directly withstands on clamp spring protrusion, clamp spring is enable directly to be grounded by screw；And it is another
The clamp spring protrusion of one end is relatively long, can directly be contacted with shielding case after assembling, clamp spring both sides are all tight fits, can not only
Firmly block left and right clamper, and because without movable space in shielding case, it can largely enhancing structure
Stability.
In addition, the length due to reducing clamp spring one end protrusion, additionally it is possible to the thickness for further decreasing clamper, from
And magnetic card magnetic head the space occupied is effectively reduced, the development with various electronic technology is preferably adapted to, magnetic head usually requires to increase
Add some other functional units to improve the demand of comprehensive Card Reader ability, solves existing magnetic head because can not be caused by reduce thickness
The problem that can not be applicable in of the occasion in many narrow spaces.
Description of the drawings
Fig. 1 is the sectional view of one embodiment of the application magnetic card magnetic head；
Fig. 2 is the front view of the head stack part of magnetic card magnetic head shown in FIG. 1；
Fig. 3 is the stereogram of the clamper and magnetic core group part of head stack shown in Fig. 2；
Fig. 4 is the sectional view of the clamper and magnetic core group part of head stack shown in Fig. 2；
Fig. 5 is the sectional view of existing magnetic card magnetic head；
Fig. 6 is the stereogram of existing head stack.
Specific implementation mode
In order to make the above objects, features, and advantages of the present application more apparent, below in conjunction with the accompanying drawings and it is specific real
Applying mode, the present application will be further described in detail.
In the description of the present application, it is to be understood that the instructions such as term " centre ", "top", "bottom", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as the limitation to the application.Term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include one or more this feature.In the description of the present application, the meaning of " multiple "
It is two or more, unless otherwise specifically defined.
In addition unless specifically defined or limited otherwise, the terms such as term " installation ", " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood as the case may be in this application
Concrete meaning.
In this application unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Referring to Fig.1 ~ 4, show that the application magnetic card magnetic head and its clamper and the structure of one embodiment of magnetic core group part show
It is intended to, the present embodiment magnetic card magnetic head includes shielding case 15 and the head stack that is sleeved in shielding case 15, the head stack
Including a group or more of magnetic core groups 12（Fig. 3 shows three groups, but is not the limitation to the application, art technology
Personnel can increase the quantity for reducing magnetic core group as needed）, clamper 11 and clamp spring.Wherein：
Magnetic core group 12 is fixed in the slot of the formation of clamper 11, is blocked two clampers 11 of opposite installation using clamp spring 18
It connects；
Clamp spring 18 is dissymmetrical structure, and the length of clamp spring first end protrusion 181 is more than clamp spring second end protrusion
182 length；Clamp spring first end protrusion 181 is directly contacted with shielding case 15；The alignment screen of clamp spring second end protrusion 182
The screw hole for covering shell is contacted with the screw 171 for being screwed into screw hole.
For the above embodiments of the present application due to using asymmetric clip spring structure, the clamp spring protrusion of one end is shorter, right
The screw hole site for answering shielding case after screw is screwed into, directly withstands on clamp spring protrusion, keeps clamp spring direct by screw
Ground connection；And the clamp spring protrusion of the other end is relatively long, can directly be contacted with shielding case after assembling, clamp spring both sides are all close-fittings
It closes, can not only firmly block left and right clamper, and can largely increase because without movable space in shielding case
The stability of strong structure.
In another preferred embodiment, to further improve ground connection performance, the product caused by imperfect earth is avoided not
Magnetic core protrusion 122 can be arranged in 12 bottom end of magnetic core group, in 122 pairs of the bottom end of clamper 11 and magnetic core protrusion in qualified problem
The position setting through-hole 112 answered, makes the protrusion of the magnetic core after installation 122 protrude the bottom surface of clamper 11.As shown in Figure 3.And it will card
Spring 18 is connected to the prominent position of magnetic core protrusion 122, and dual fail-safe is provided for ground connection.
The application not only enables magnetic core be directly connected with shielding case by clamp spring by above-mentioned means, has better
It is grounded performance, the probability for largely avoiding imperfect earth from occurring；The protrusion of magnetic core protrusion can also increase clamper
With the fitness of magnetic core, the thickness of clamper can be further decreased in the case where ensureing that magnetic core will not fall off from clamper,
To further decrease magnetic card magnetic head the space occupied.
In a further embodiment, to further increase the degree of automation of product preparation, magnetic core group 12 may be used will be more
A magnetic core discrete piece is by way of being laser welded.
To further increase the fitness of clamper 11 and magnetic core group 12, and it can ensure the clamping function of clamper
Under the premise of further decrease the thickness of clamper 11, clamper 11 may be used and the mode of magnetic core group integrated injection molding is real
It is existing.For example, can be placed in magnetic core group 12 in clamper mold cavity as inserts, it is molded to clamper mold cavity, it is cooling
Clamper and the integrally formed component of magnetic core group are formed afterwards.
To further increase the bond strength of clamper 11 and magnetic core group 12, can also be arranged at the magnetic mouth 121 of magnetic core
Groove 123（As shown in Figure 4）, and in the clamping protrusion 113 of the setting of the corresponding position of clamper 11 and the cooperation of 123 shape of groove.
When it is implemented, clamping protrusion 113 can be with 11 integrated injection molding of clamper.
The application also provide it is a kind of include above-mentioned magnetic card magnetic head magnetic card reader.
It should be noted that above-described embodiment is preferred embodiment, involved component not necessarily the application institute
It is necessary.Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
Specific examples are used herein to illustrate the principle and implementation manner of the present application, and above example is said
It is bright to be merely used to help understand the present processes and its core concept；Meanwhile for those of ordinary skill in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as the limitation to the application.
Claims (6)
1. a kind of magnetic card magnetic head, including shielding case and the head stack that is sleeved in shielding case, the head stack includes one
Magnetic core group, clamper and the clamp spring of group or one group or more, the magnetic core group are fixed in the slot of clamper formation, utilize clamp spring will
Two clampers clamping of opposite installation；It is characterized in that, the clamp spring is dissymmetrical structure, wherein：
The length of clamp spring first end protrusion is more than the length of clamp spring second end protrusion；
Clamp spring first end protrusion is in direct contact with shielding case；
Clamp spring second end protrusion is directed at the screw hole of shielding case, is contacted with the screw for being screwed into screw hole.
2. magnetic card magnetic head according to claim 1, which is characterized in that magnetic core group bottom end is provided with magnetic core protrusion；Institute
It states clamper bottom end position corresponding with magnetic core protrusion and is provided with through-hole, the magnetic core protrusion passes through the through-hole to protrude clamper
Bottom surface；The clamp spring is connected to the prominent position of magnetic core protrusion.
3. magnetic card magnetic head according to claim 1 or 2, which is characterized in that the clamper is integrally formed with magnetic core group
Structure.
4. magnetic card magnetic head according to claim 3, which is characterized in that each magnetic core group is by by being laser welded
Multiple magnetic core discrete piece compositions.
5. magnetic card magnetic head according to claim 3, which is characterized in that fluted, institute is arranged in Ci Zuichu in the magnetic core group
It states clamper and is provided with the clamping protrusion coordinated with the groove shapes, the clamping protrusion and the clamper in corresponding position
It is integrally formed.
6. a kind of magnetic card reader, which is characterized in that include any magnetic card magnetic head of claim 1 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180312.9U CN207909143U (en) | 2018-02-02 | 2018-02-02 | Magnetic card reader and its magnetic card magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180312.9U CN207909143U (en) | 2018-02-02 | 2018-02-02 | Magnetic card reader and its magnetic card magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909143U true CN207909143U (en) | 2018-09-25 |
Family
ID=63562746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180312.9U Withdrawn - After Issue CN207909143U (en) | 2018-02-02 | 2018-02-02 | Magnetic card reader and its magnetic card magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241811A (en) * | 2018-02-02 | 2018-07-03 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
-
2018
- 2018-02-02 CN CN201820180312.9U patent/CN207909143U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241811A (en) * | 2018-02-02 | 2018-07-03 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
| CN108241811B (en) * | 2018-02-02 | 2024-05-14 | 北京泰和磁记录制品有限公司 | Magnetic card reader and magnetic card magnetic head thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180925 Effective date of abandoning: 20240514 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180925 Effective date of abandoning: 20240514 |