CN203689639U - Acousto magnetic antitheft label - Google Patents
Acousto magnetic antitheft label Download PDFInfo
- Publication number
- CN203689639U CN203689639U CN201420009616.0U CN201420009616U CN203689639U CN 203689639 U CN203689639 U CN 203689639U CN 201420009616 U CN201420009616 U CN 201420009616U CN 203689639 U CN203689639 U CN 203689639U
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- CN
- China
- Prior art keywords
- box body
- amorphous sheet
- theft label
- magnetic anti
- length direction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000005097 cold rolling Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 241001232787 Epiphragma Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to antitheft labels. An acousto magnetic antitheft label comprises a box body, long strip-shaped amorphous sheets, and an offset sheet, wherein the upper end of the box body is an opening; the amorphous sheets are located inside the box body; and the offset sheet is arranged in the opening end of the box body; the box body comprises a bottom wall and a pair of side walls in the length direction; the inner surface of each of the side walls in the length direction is provided with bumps and the bumps extend from the bottom wall upwards; the amorphous sheets are located between the bumps of the pair of side walls in the length direction; and gaps are reserved between the end parts of the amorphous sheets and the bumps. The first objective of the utility model is to provide the acousto magnetic antitheft label which has a good sensitivity, thereby solving the problem that conventional acousto magnetic antitheft labels are low in sensitivity.
Description
Technical field
The utility model relates to anti-theft tag, relates in particular to a kind of acoustic magnetic anti-theft label.
Background technology
Anti-theft tag, belong to electronic article surveillance (EAS) technology, detect for identifying the detection system at gateway by being placed on supermarket, market or cash register passage place the theft prevention soft tag or the Anti-theft hard tag (reusable) of nail on clothes, shoes and hats that stick on commodity, in the time having the label (soft label not demagnetization or hard label does not take off) of processing without cashier by system, system can be sent warning, to remind staff to note.Acoustic magnetic anti-theft label comes out also the history of more than 20 year, because it possesses anti-metallic shield, super wide monitoring width, the advantage such as zero wrong report almost, is applied in the commodity circulations such as global market, supermarket, storage.Be 2010205877479 in Chinese Patent Application No., Granted publication day be Mays 18 in 2011 day, be called in the patent document of " a kind of acoustic magnetic anti-theft label " and disclose a kind of acoustic magnetic anti-theft label.The acoustic magnetic anti-theft label of two kinds of versions is disclosed in this patent document, a kind of for by box body, cover lid on box body, the bias slice and the resonance plate (claiming again amorphous sheet) that are built in box body form, resonance plate is directly pressed on bias slice.The acoustic magnetic anti-theft label of this kind of direct contact type is because resonance plate contacts with amorphous sheet, therefore vibrating effect is poor, for addressing this problem, the acoustic magnetic anti-theft label of the second structure (being contactless acoustic magnetic anti-theft label) is disclosed in this patent, the acoustic magnetic anti-theft label of the second structure is for to be shelved on amorphous sheet in box body, lid is made into the clamp structure being made up of epiphragma and layers of two-sided, and bias slice is clamped between epiphragma and layers of two-sided.Existing acoustic magnetic anti-theft label all adopts the second version and amorphous sheet to adopt cobalt-based or Ni-based amorphous sheet, bias slice to adopt Ni-based bias slice substantially.
Existing contactless acoustic magnetic anti-theft label has the following disadvantages: poor sensitivity; Magnetic resistance between amorphous sheet and bias slice is large; The oscillator intensity of amorphous sheet is little; Cost of manufacture is high.
Utility model content
First object of the present utility model aims to provide the acoustic magnetic anti-theft label that a kind of sensitivity is good, has solved the low problem of existing acoustic magnetic anti-theft label sensitivity.
Second object of the present utility model is intended to further to provide on the basis of first object a kind of highly sensitive and acoustic magnetic anti-theft label that magnetic resistance is little, solved existing acoustic magnetic anti-theft label and can not have concurrently the problem of the advantage highly sensitive, magnetic resistance is little.
The 3rd object of the present utility model is intended to further provide a kind of acoustic magnetic anti-theft label highly sensitive, advantage that magnetic resistance is little, oscillator intensity is large that has concurrently on the basis of second object, solved existing acoustic magnetic anti-theft label and can not have problem highly sensitive, advantage that magnetic resistance is little and oscillator intensity is large concurrently.
The 4th object of the present utility model is intended to provide on the basis of first object a kind of highly sensitive and acoustic magnetic anti-theft label that cost of manufacture is low, solved the existing acoustic magnetic anti-theft label problem that not only sensitivity is low but also cost of manufacture is high.
Above technical matters solves by following technical proposal: a kind of acoustic magnetic anti-theft label, comprise upper end open box body, be positioned at the strip amorphous sheet of box body and be arranged on the bias slice of box opening end, described box body comprises diapire and a pair of length direction sidewall, the inside surface of described length direction sidewall is provided with projection, described projection starts upwards to extend from described diapire, described amorphous sheet, between the described projection of a pair of length direction sidewall, is provided with gap between the end of amorphous sheet and projection." length direction sidewall " refers to the sidewall on amorphous sheet length direction that is blocked in of box body.Be provided with gap by arranging at a pair of length direction sidewall of box body between the end of projection and amorphous sheet and projection, while making amorphous sheet vibration with between length direction sidewall for small size collides, thereby play the highly sensitive effect of proposing.
As preferably, a described length direction sidewall is at least provided with two described projections, and the described projection on same length direction sidewall distributes along amorphous sheet Width.Can prevent from when amorphous sheet from moving producing deflection, play and further propose highly sensitive effect.
As preferably, described projection is circular.Can make to collide time, be line contact and little to the destruction of amorphous sheet with the contact of amorphous sheet.
As preferably, described box body also comprises a pair of Width sidewall, and the inner side of the upper surface of described Width sidewall is provided with step, and the two ends of described bias slice are shelved on described step, between described bias slice and described amorphous sheet, are only provided with gas blanket." length direction sidewall " refers to the sidewall on amorphous sheet Width that is blocked in of box body.Bias slice can drive the effect of skeleton, even if bias slice discord box body is fixed together, the displacement that when vibration, bias slice produces is also less, the little oscillator intensity that can improve amorphous sheet of displacement of bias slice; Owing to only having gas blanket (existing structure generally adopts solid layer) between amorphous sheet and bias slice, make the magnetic resistance between amorphous sheet and bias slice little.Realize second goal of the invention.
As preferably, described amorphous sheet is the domes that broad ways upwards arches upward.Can prevent that in amorphous sheet vibration processes, edge is inserted in the position between bias slice and step, good reliability, and can also improve vibration sensitivity.
As preferably, described amorphous sheet is the arc domes that broad ways upwards arches upward, and the radius that arches upward of described amorphous sheet is 8 millimeters-12 millimeters.Good reliability, sensitivity is good.
As preferably, described bias slice and described box body are fixed together.When vibration, bias slice can not produce displacement, can further promote the oscillator intensity of amorphous sheet.Realize the 3rd goal of the invention.
As preferably, the mode that described bias slice is connected on described step by wringing fit is fixed together with described box body.Simple and compact for structure, convenient when fixing, can reduce installation cost.
As preferably, the upper end of described box body is provided with flanging, and the openend of described box body is provided with the layers of two-sided that covers described bias slice top, and described layers of two-sided bonds together with the upper surface of described flanging.Can improve the strength of joint of two-sided layer and box body.
As preferably, described amorphous sheet is Fe-based amorphous, and described bias slice is to be greater than the 80 percent cold rolling carbon steel magnetic sheet being made by deflection.Can reduce cost of manufacture, realize the 4th goal of the invention.Not containing heavy metal, environmental protection.Intensity is good, is not easy deformation failure while receiving extruding.
The utlity model has following advantage:
1, be provided with gap by arranging at a pair of length direction sidewall of box body between the end of projection and amorphous sheet and projection, while making amorphous sheet vibration with between length direction sidewall for small size collides, highly sensitive;
2, step fixed bias sheet is set, air layer is only set between bias slice and amorphous sheet, magnetic resistance is little and reduced cost of manufacture;
3, bias slice adopts carbon steel, and in conjunction with being supported on step, makes bias slice can play the effect of skeleton, and resistance to compression is effective;
4, bias slice is fixed on step, can not produce displacement when vibration, can improve the oscillation intensity of amorphous sheet;
5, amorphous sheet is designed to broad ways and upwards arches upward, and good reliability and sensitivity are good.
Brief description of the drawings
Fig. 1 is split view of the present utility model.
Fig. 2 is the cross-sectional schematic of the utility model broad ways while analysing and observe.
Fig. 3 is the cross-sectional schematic of the utility model while analysing and observe along its length.
In figure: box body 1, diapire 11, length direction sidewall 12, Width sidewall 13, cavity 14, projection 15, step 16, flanging 17, the upper surface 18 of box body, amorphous sheet 2, bias slice 3, layers of two-sided 4, the first gap L 1, the second gap L 2, third space L3.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Referring to Fig. 1, a kind of acoustic magnetic anti-theft label, comprises the box body 1, amorphous sheet 2, bias slice 3 and the layers of two-sided 4 that set gradually from bottom to top.
Box body 1 comprises diapire 11, a pair of length direction sidewall 12 and a pair of Width sidewall 13.Diapire 11, length direction sidewall 12 and Width sidewall 13 surround the unlimited cavity in upper end 14.The upper end of cavity 14 forms the opening of box body 1.On the inside surface of each length direction sidewall 12, be respectively provided with two projections 15.Two projections 15 on same length direction sidewall 12 distribute along the Width of amorphous sheet 2.Projection 15 starts upwards to extend from diapire 11.Projection 15 is circular.The radius of projection 15 is 1 millimeter.The inner side of the upper surface 18 of box body is provided with step 16.Step 16 is for annular, step extends completely a pair of length direction sidewall 12 and a pair of Width sidewall 13 simultaneously.
Bias slice 3 is for to be greater than the 80 percent cold rolling carbon steel magnetic sheet being made by deflection.
Layers of two-sided 4 is made for oiliness double faced adhesive tape.
Referring to Fig. 2, the upper end of box body 1 is provided with flanging 17.The radius that arches upward of amorphous sheet 2 is 8 millimeters-12 millimeters.Between the two ends of amorphous sheet 2 Widths and a pair of Width sidewall 13, be provided with and be all provided with the first gap L 1.
The method that the utility model all parts is fitted together is: two amorphous sheets 2 are shelved in cavity 14 in stacked mode.A pair of Width sidewall 13 is positioned at the both sides of the Width of amorphous sheet 2.The two ends of bias slice 3 are shelved in the part that step 16 is positioned at Width sidewall 13.Bias slice 3 is stuck on step 16 by friction tight mode and is fixed together with box body.Between bias slice 3 and amorphous sheet 2, be only provided with gas blanket, also only fill out gassy.The gas that enough becomes this gas blanket is air.Layers of two-sided 4 covers bias slice 3 tops.Layers of two-sided 4 all extends on flanging 17 and by the viscosity of layers of two-sided and bonds together with the upper surface of flanging 17 along the two ends of the Width of bias slice 3.
Referring to Fig. 3, between the two ends of the length direction of bias slice 3 and a pair of length direction sidewall 12, be provided with all the second gap L 2.The length of bias slice 3 is less than the length of amorphous sheet 2.Between the end of amorphous sheet 2 and projection 15, be provided with third space L3.Layers of two-sided 4 all extends on flanging 17 and by the viscosity of layers of two-sided and bonds together with the upper surface of flanging 17 along the two ends of the length direction of bias slice 3.
Claims (10)
1. an acoustic magnetic anti-theft label, comprise upper end open box body, be positioned at the strip amorphous sheet of box body and be arranged on the bias slice of box opening end, it is characterized in that, described box body comprises diapire and a pair of length direction sidewall, the inside surface of described length direction sidewall is provided with projection, described projection starts upwards to extend from described diapire, and described amorphous sheet, between the described projection of a pair of length direction sidewall, is provided with gap between the end of amorphous sheet and projection.
2. acoustic magnetic anti-theft label according to claim 1, is characterized in that, a described length direction sidewall is at least provided with two described projections, and the described projection on same length direction sidewall distributes along amorphous sheet Width.
3. acoustic magnetic anti-theft label according to claim 1 and 2, is characterized in that, described projection is circular.
4. acoustic magnetic anti-theft label according to claim 1 and 2, it is characterized in that, described box body also comprises a pair of Width sidewall, the inner side of the upper surface of described Width sidewall is provided with step, the two ends of described bias slice are shelved on described step, between described bias slice and described amorphous sheet, are only provided with gas blanket.
5. acoustic magnetic anti-theft label according to claim 4, is characterized in that, described amorphous sheet is the domes that broad ways upwards arches upward.
6. acoustic magnetic anti-theft label according to claim 5, is characterized in that, described amorphous sheet is the arc domes that broad ways upwards arches upward, and the radius that arches upward of described amorphous sheet is 8 millimeters-12 millimeters.
7. acoustic magnetic anti-theft label according to claim 4, is characterized in that, described bias slice and described box body are fixed together.
8. acoustic magnetic anti-theft label according to claim 7, is characterized in that, the mode that described bias slice is connected on described step by wringing fit is fixed together with described box body.
9. acoustic magnetic anti-theft label according to claim 1 and 2, it is characterized in that, the upper end of described box body is provided with flanging, and the openend of described box body is provided with the layers of two-sided that covers described bias slice top, and described layers of two-sided bonds together with the upper surface of described flanging.
10. acoustic magnetic anti-theft label according to claim 1 and 2, is characterized in that, described amorphous sheet is Fe-based amorphous, and described bias slice is to be greater than the 80 percent cold rolling carbon steel magnetic sheet being made by deflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009616.0U CN203689639U (en) | 2014-01-08 | 2014-01-08 | Acousto magnetic antitheft label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009616.0U CN203689639U (en) | 2014-01-08 | 2014-01-08 | Acousto magnetic antitheft label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203689639U true CN203689639U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009616.0U Expired - Lifetime CN203689639U (en) | 2014-01-08 | 2014-01-08 | Acousto magnetic antitheft label |
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| Country | Link |
|---|---|
| CN (1) | CN203689639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544356A (en) * | 2019-09-20 | 2019-12-06 | 深圳亿东科技股份有限公司 | Anti-theft label |
-
2014
- 2014-01-08 CN CN201420009616.0U patent/CN203689639U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544356A (en) * | 2019-09-20 | 2019-12-06 | 深圳亿东科技股份有限公司 | Anti-theft label |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |