CN207909142U - Magnetic card reader and its magnetic card magnetic head - Google Patents
Magnetic card reader and its magnetic card magnetic head Download PDFInfo
- Publication number
- CN207909142U CN207909142U CN201820180300.6U CN201820180300U CN207909142U CN 207909142 U CN207909142 U CN 207909142U CN 201820180300 U CN201820180300 U CN 201820180300U CN 207909142 U CN207909142 U CN 207909142U
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- magnetic core
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- clamper
- protrusion
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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；Magnetic core group bottom end is provided with magnetic core protrusion；Clamper bottom end position corresponding with magnetic core protrusion is provided with straight slot；The height of the magnetic core protrusion is greater than or equal to the height of straight slot, and the magnetic core protrusion after installation is made to protrude clamper bottom surface or magnetic core protrusion bottom surface and clamper bottom surface in the same plane；The clamp spring is connected to the position of magnetic core protrusion.Application scheme makes product have preferably ground connection performance, the probability for largely avoiding imperfect earth from occurring by the above-mentioned means for enabling magnetic core to be directly connected with shielding case by clamp spring.
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. 4, 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 jackscrew passes through the top wire 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 5.
But existing magnetic card magnetic head generally uses conductivity water to connect magnetic core and clamper, then connects clamper and screen with clamp spring
Shell is covered, multiple spot is needed to be connected, complex procedures, the relatively high problem of product fraction defective.
Invention content
A kind of magnetic card reader of the application offer and its magnetic card magnetic head, can solve the conduction mode of existing magnetic core and shielding case
The relatively high problem of caused product fraction defective.
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 straight slot, and the height of the magnetic core protrusion is greater than or equal to the height of straight slot,
The magnetic core protrusion after installation is set to protrude clamper bottom surface or magnetic core protrusion bottom surface and clamper bottom surface in the same plane；The card
Spring is connected to the position of magnetic core protrusion.
Preferably, the clamper is integrally formed 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：
The application is raised by the magnetic core that through-hole can be passed through to protrude clamper bottom surface in the setting of magnetic core bottom, after making assembling
Magnetic core can be directly connected with shielding case by clamp spring, contact is close, and ground connection performance is good, can largely avoid being grounded
It is relatively high to efficiently solve product fraction defective caused by the conduction mode of existing magnetic core and shielding case for the probability of bad appearance
Problem.
Meanwhile the protrusion of magnetic core protrusion can increase the fitness of clamper and magnetic core, ensure that magnetic core will not be from
Clamper can also further decrease the thickness of clamper in the case of falling off, to effectively reduce the sky of magnetic card magnetic head occupancy
Between, the development with various electronic technology is preferably adapted to, magnetic head usually requires to increase some other functional units to carry
The demand of the comprehensive Card Reader ability of height solves existing magnetic head because can not can not in the occasion of many narrow spaces caused by reduce thickness
Applicable problem.
In addition, the application can effectively reduce magnetic head the space occupied increases other functional groups to vacate the space of bigger
While part, the utilization of material can also be reduced, saves cost.
Description of the drawings
Fig. 1 is the stereogram of one embodiment of clamper and magnetic core group part of the application magnetic card magnetic head；
Fig. 2 is the right view of the clamper and magnetic core group part of magnetic card magnetic head shown in FIG. 1；
Fig. 3 is the sectional view of the clamper and magnetic core group part of magnetic card magnetic head shown in FIG. 1；
Fig. 4 is the sectional view of existing magnetic card magnetic head；
Fig. 5 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.In the description of the present application, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
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 ~ 3, 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 and the head stack that is sleeved in shielding case, and the head stack includes
Magnetic core group 12 more than one group or one group of group（Three groups are shown in the figure, but is not the limitation to the application, people in the art
Member 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
It connects；
12 bottom end of magnetic core group is provided with magnetic core protrusion 122；The bottom end of clamper 11 and the raised 122 corresponding positions of magnetic core
It is provided with straight slot 112；Wherein, the height of magnetic core protrusion 122 is greater than or equal to the height of straight slot 112（I.e. clamper corresponds to straight slot
The thickness at position）, the protrusion of the magnetic core after installation 122 is made to protrude bottom surface or magnetic core protrusion bottom surface and the clamper bottom surface of clamper 11
In the same plane；Clamp spring is connected to the position of magnetic core protrusion 122.
The present embodiment not only enables magnetic core be directly connected with shielding case by clamp spring by above-mentioned means, has more preferable
Ground connection performance, largely avoid imperfect earth occur probability；The protrusion of magnetic core protrusion can also increase clamping
The fitness of device and magnetic core can further decrease the thickness of clamper in the case where ensureing that magnetic core will not fall off from clamper
（Reduce the size of product width direction shown in Fig. 4）, effectively reduce magnetic card magnetic head the space occupied.
In another 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 3）, 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 (5)
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,
Magnetic core group bottom end is provided with magnetic core protrusion；
Clamper bottom end position corresponding with magnetic core protrusion is provided with straight slot；
The height of the magnetic core protrusion be greater than or equal to straight slot height, make the magnetic core protrusion after installation protrude clamper bottom surface or
Magnetic core protrusion bottom surface and clamper bottom surface are in the same plane；
The clamp spring is connected to the position of magnetic core protrusion.
2. magnetic card magnetic head according to claim 1, which is characterized in that the clamper is integrally formed with magnetic core group.
3. magnetic card magnetic head according to claim 1 or 2, which is characterized in that each magnetic core group by by laser welding one
The multiple magnetic core discrete piece composition risen.
4. magnetic card magnetic head according to claim 2, 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.
5. a kind of magnetic card reader, which is characterized in that include any magnetic card magnetic head of claim 1 ~ 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180300.6U CN207909142U (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 |
|---|---|---|---|
| CN201820180300.6U CN207909142U (en) | 2018-02-02 | 2018-02-02 | Magnetic card reader and its magnetic card magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909142U true CN207909142U (en) | 2018-09-25 |
Family
ID=63561984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180300.6U Active CN207909142U (en) | 2018-02-02 | 2018-02-02 | Magnetic card reader and its magnetic card magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108638A (en) * | 2018-02-02 | 2018-06-01 | 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 CN201820180300.6U patent/CN207909142U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108638A (en) * | 2018-02-02 | 2018-06-01 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
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