CN104637222A - Anti-theft hard tag and manufacturing process thereof - Google Patents
Anti-theft hard tag and manufacturing process thereof Download PDFInfo
- Publication number
- CN104637222A CN104637222A CN201510027804.5A CN201510027804A CN104637222A CN 104637222 A CN104637222 A CN 104637222A CN 201510027804 A CN201510027804 A CN 201510027804A CN 104637222 A CN104637222 A CN 104637222A
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- China
- Prior art keywords
- plastic casing
- steel
- steel bowl
- bowl
- blank
- Prior art date
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2434—Tag housing and attachment details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an anti-theft hard tag. The anti-theft hard tag comprises an upper plastic shell, a lower plastic shell, a steel bowl, an inserting needle, steel balls, a three-eye steel column and an induction coil, wherein the upper plastic shell and the lower plastic shell are fixedly connected; the middle part of the lower plastic shell is provided with the steel bowl; the inserting needle penetrates through the lower plastic shell and the bottom of the steel bowl; the upper part of the steel bowl is connected with the upper plastic shell; the three-eye steel column is arranged in the cavity of the steel bowl; the induction coil is positioned in a closed gap between the upper plastic shell and the lower plastic shell; the bottom of the three-eye steel column is provided with the steel balls; a gap among the steel balls is a clamping station for the inserting needle to pass; the steel balls are close to the inner wall of the steel bowl; the upper part of the three-eye steel column is connected with the lower end of a return spring; the upper end of the return spring is connected with the upper plastic shell; the wall thickness of the side wall of the steel bowl is increased from top to bottom in sequence. The invention also discloses a manufacturing process of the anti-theft hard tag. According to the anti-theft hard tag and the manufacturing process, the structure is simplified, and the anti-theft performance and the reliability are improved.
Description
Technical field
The present invention relates to a kind of Anti-theft hard tag and manufacture craft thereof.
Background technology
Existing Anti-theft hard tag, with reference to Fig. 1, comprise plastic casing, lower plastic casing, steel bowl, contact pin, steel ball, inductive coil (sends the signal of certain frequency, at EXIT, place is provided with detector, if detect that signal can be reported to the police), back-moving spring and mould cap, described upper plastic casing and lower plastic casing high-frequency welding, the middle part of described lower plastic casing is by placing described steel bowl, described contact pin is through described lower plastic casing and steel bowl bottom, the top of described steel bowl and describedly mould cap clamping, describedly mould shell on cap and described plastics and offset and be connected, the inner chamber of described steel bowl places three-hole steel column, described inductive coil is placed in the space of upper and lower plastic casing, the bottom of described three-hole steel column arranges steel ball, clamping station for passing for described contact pin between each steel ball, described steel ball abuts against the inwall of described steel bowl, the bottom portion of groove of placement spring of described three-hole steel column is connected with the lower end of back-moving spring, the upper end of described back-moving spring is connected with described cap of moulding.
Duty: the contact pin being connected with commodity inserts in hard label, and now due to the effect of back-moving spring elastic force, three-hole steel column is positioned at the bottom of steel bowl, now, the gap smaller of clamping station, contact pin can not be pulled out, and is in anti-theft state; Released state: (supermarket is generally be placed in till by strong magnetic magnetic block to be placed on upper plastic casing place, turn out during unblock, upper plastic casing contacts strong magnetic below), now, owing to being subject to magneticaction, magnetic force is greater than the elastic force of spring, three-hole steel column is together with steel ball up plastic casing motion, and now, the gap of clamping station becomes large, contact pin can be extracted, and commodity take off smoothly;
Using steel band as raw material, described steel bowl is produced in stretching step by step, punching, trimming blanking, and the wall thickness of sidewall is thinner than the thickness of steel band, and wall is close to uniform thickness, when contact pin insert state, if the contact pin connecting antitheft commodity pulls down by someone, according to force analysis, steel ball can extrude the sidewall of described steel bowl, in this existing structure, with reference to Fig. 2, the sidewall of steel bowl is easily squeezed generation salient point, to causing the theftproof performance of whole hard label to decline.
Summary of the invention
In order to overcome the deficiency that complex structure, theftproof performance are poor, reliability is poor of existing Anti-theft hard tag, the invention provides a kind of Anti-theft hard tag and the manufacture craft thereof that simplify structure, lifting theftproof performance and reliability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Anti-theft hard tag, comprise plastic casing, lower plastic casing, steel bowl, contact pin, steel ball, three-hole steel column and inductive coil, described upper plastic casing is fixedly connected with lower plastic casing, described steel bowl is placed at the middle part of described lower plastic casing, described contact pin is through described lower plastic casing and steel bowl bottom, the top of described steel bowl is connected with upper plastic casing, the inner chamber of described steel bowl places three-hole steel column, in the dead air space of described inductive coil on described between plastic casing and lower plastic casing, the bottom of described three-hole steel column arranges steel ball, gap between each steel ball is the clamping station passed for described contact pin, described steel ball abuts against the inwall of described steel bowl, the top of described three-hole steel column is connected with the lower end of back-moving spring, the upper end of described back-moving spring is connected with described upper plastic casing, the wall thickness of the sidewall of described steel bowl is thickening successively from top to bottom.
Further, the taper shape that the inwall of described steel bowl is big up and small down, the outer wall of described steel bowl is right cylinder.
Further again, the middle part of described lower plastic casing is provided with the groove put into for described steel bowl, and the upper end of described steel bowl is higher than the upper end of described groove and formed and get out of a predicament or an embarrassing situation;
Arch is presented at the middle part of described upper plastic casing, and the both sides of the arcuate inner walls of described upper plastic casing are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.
A kind of manufacture craft of Anti-theft hard tag, first upper plastic casing, lower plastic casing, steel bowl, contact pin, steel ball, three-hole steel column and inductive coil is made, obtained described Anti-theft hard tag after assembling, the making of described steel bowl adopts cold headers processing, comprises the steps:
(1) with technique wire rod for raw material, cut off according to the size of steel bowl to be produced, obtain cut off blank;
(2) shaping is carried out to described cut-out blank, obtain shaping blank;
(3) first time stretching is carried out to described shaping blank;
(4) carry out second time again to stretch, obtain stretching blank, described stretching blank is bowl-shape, and the wall thickness of sidewall is thickening successively from top to bottom;
(5) punching is carried out to the bowl bottom of stretching blank, obtain the jack for contact pin grafting, obtained described steel bowl.
Further, in described step (4), the taper shape that the inwall of described stretching blank is big up and small down, the outer wall of described stretching blank is right cylinder.
The middle part of described lower plastic casing is provided with the groove put into for described steel bowl, and the upper end of described steel bowl is higher than the upper end of described groove and formed and get out of a predicament or an embarrassing situation.
Arch is presented at the middle part of described upper plastic casing, and the both sides of the arcuate inner walls of described upper plastic casing are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.
Beneficial effect of the present invention is mainly manifested in: simplify structure, promote theftproof performance and reliability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing Anti-theft hard tag.
Fig. 2 is that existing steel bowl is squeezed and produces the schematic diagram of salient point.
Fig. 3 is the schematic diagram of Anti-theft hard tag.
Fig. 4 is the structural drawing of steel bowl.
Fig. 5 is the schematic diagram of the cold heading technique of steel bowl, wherein.A () cuts off blank; B () is shaping blank; C () is the schematic diagram after stretching first time; (d) stretching blank for obtaining after second time stretching; The schematic diagram of e steel bowl that () is punching aftershaping.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
With reference to Fig. 3 and Fig. 4, a kind of Anti-theft hard tag, comprise plastic casing 1, lower plastic casing 2, steel bowl 3, contact pin 4, steel ball 5, three-hole steel column 6 and inductive coil, described upper plastic casing 1 is fixedly connected with lower plastic casing 2 (can adopt high-frequency welding), the middle part of described lower plastic casing 2 is by placing described steel bowl 3, described contact pin 4 is through bottom described lower plastic casing 2 and steel bowl 3, the top of described steel bowl 3 is connected with upper plastic casing 1, the inner chamber of described steel bowl 3 places three-hole steel column 6, in the dead air space of described inductive coil on described between plastic casing and lower plastic casing, the bottom of described three-hole steel column 6 arranges steel ball 5, gap between each steel ball is the clamping station passed for described contact pin, described steel ball 5 abuts against the inwall of described steel bowl 3, the top of described three-hole steel column 6 is connected with the lower end of back-moving spring 7, the upper end of described back-moving spring 7 is connected with described upper plastic casing 1, the wall thickness of the sidewall of described steel bowl 3 is thickening successively from top to bottom.
Further, the taper shape that the inwall of described steel bowl 3 is big up and small down, the outer wall of described steel bowl is right cylinder.
Further again, the middle part of described lower plastic casing 2 is provided with the groove 8 put into for described steel bowl, and the upper end of described steel bowl 3 is higher than the upper end of described groove 8 and formed and get out of a predicament or an embarrassing situation.
Arch is presented at the middle part of described upper plastic casing 1, and the both sides of the arcuate inner walls of described upper plastic casing 1 are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.Wherein first step surface props up steel bowl, and second step face is that upper plastic casing and lower plastic casing are fitted high-frequency welding, and such steel bowl is fixed at upper plastic casing and lower plastic casing inner position, relative to existing product, has deducted and has moulded this accessory of cap.
The upper end of described three-hole steel column is provided with groove, the lower end of described spring is fixed on described bottom portion of groove, the upper end of described spring is stretched out described groove and is connected with described upper plastic casing, and the bottom of described groove is provided with through hole, and described inside grooves is inserted through described through hole in the upper end of described contact pin.
The mode of high-frequency welding is adopted to fix between described upper plastic casing 1 and lower plastic casing 2.
The bottom of described contact pin 4 is connected with antitheft commodity.The steel bowl of the present embodiment adopts cold headers processing, with technique wire rod for raw material, through multiple tracks extrusion forming punching, prepares steel bowl.
In the present embodiment, duty: the contact pin being connected with commodity inserts in hard label, and now due to the effect of back-moving spring 7 elastic force, three-hole steel column 6 is positioned at the bottom of steel bowl, now, and the gap smaller of clamping station, contact pin can not be pulled out, and is in anti-theft state; Released state: (supermarket is generally be placed in till by strong magnetic magnetic block to be placed on upper plastic casing place, turn out during unblock, upper plastic casing contacts strong magnetic below), now, owing to being subject to magneticaction, magnetic force is greater than the elastic force of spring, three-hole steel column is together with steel ball up plastic casing motion, and now, the gap of clamping station becomes large, contact pin can be extracted, and commodity take off smoothly.
Because the sidewall of described steel bowl is thickening successively from top to bottom, when contact pin insert state, even if there is people to be pulled down by the contact pin connecting antitheft commodity, according to force analysis, steel ball can extrude the sidewall of described steel bowl, because sidewall is thickening, not yielding, therefore, improve theftproof performance and serviceable life.
Embodiment 2
With reference to Fig. 3 ~ Fig. 5, a kind of manufacture craft of Anti-theft hard tag, first upper plastic casing 1, lower plastic casing 2, steel bowl 3, contact pin 4, steel ball 5, three-hole steel column 6 and inductive coil is made, obtained described Anti-theft hard tag after assembling, the making of described steel bowl 5 adopts cold headers processing, comprises the steps:
(1) with technique wire rod for raw material, cut off according to the size of steel bowl to be produced, obtain cut off blank, with reference to Fig. 5 (a);
(2) shaping is carried out to described cut-out blank, obtain shaping blank, with reference to Fig. 5 (b);
(3) first time stretching is carried out to described shaping blank, with reference to Fig. 5 (c);
(4) carry out second time again to stretch, obtain stretching blank, described stretching blank is bowl-shape, and the wall thickness of sidewall is thickening successively from top to bottom, with reference to Fig. 5 (d);
(5) carry out punching to the bowl bottom of stretching blank, obtain the jack for contact pin grafting, obtained described steel bowl, with reference to Fig. 5 (e).
Further, in described step (4), the taper shape that the inwall of described stretching blank is big up and small down, the outer wall of described stretching blank is right cylinder.
The middle part of described lower plastic casing 2 is provided with the groove 8 put into for described steel bowl, and the upper end of described steel bowl 3 is higher than the upper end of described groove 8 and formed and get out of a predicament or an embarrassing situation;
Arch is presented at the middle part of described upper plastic casing 1, and the both sides of the arcuate inner walls of described upper plastic casing 1 are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.Wherein first step surface props up steel bowl, and second step face is that upper plastic casing and lower plastic casing are fitted high-frequency welding, and such steel bowl is fixed at upper plastic casing and lower plastic casing inner position, relative to existing product, has deducted and has moulded this accessory of cap.
The upper end of described three-hole steel column is provided with groove, the lower end of described spring is fixed on described bottom portion of groove, the upper end of described spring is stretched out described groove and is connected with described upper plastic casing, and the bottom of described groove is provided with through hole, and described inside grooves is inserted through described through hole in the upper end of described contact pin.
The mode of high-frequency welding is adopted to fix between described upper plastic casing 1 and lower plastic casing 2.
The bottom of described contact pin 4 is connected with antitheft commodity.The steel bowl of the present embodiment adopts cold headers processing, with technique wire rod for raw material, through multiple tracks extrusion forming punching, prepares steel bowl.
Claims (8)
1. an Anti-theft hard tag, comprise plastic casing, lower plastic casing, steel bowl, contact pin, steel ball, three-hole steel column and inductive coil, described upper plastic casing is fixedly connected with lower plastic casing, described steel bowl is placed at the middle part of described lower plastic casing, described contact pin is through described lower plastic casing and steel bowl bottom, the top of described steel bowl is connected with upper plastic casing, the inner chamber of described steel bowl places three-hole steel column, in the dead air space of described inductive coil on described between plastic casing and lower plastic casing, the bottom of described three-hole steel column arranges steel ball, gap between each steel ball is the clamping station passed for described contact pin, described steel ball abuts against the inwall of described steel bowl, the top of described three-hole steel column is connected with the lower end of back-moving spring, the upper end of described back-moving spring is connected with described upper plastic casing, it is characterized in that: the wall thickness of the sidewall of described steel bowl is thickening successively from top to bottom.
2. Anti-theft hard tag as claimed in claim 1, is characterized in that: the taper shape that the inwall of described steel bowl is big up and small down, and the outer wall of described steel bowl is right cylinder.
3. Anti-theft hard tag as claimed in claim 1 or 2, is characterized in that: the middle part of described lower plastic casing is provided with the groove put into for described steel bowl, and the upper end of described steel bowl is higher than the upper end of described groove and formed and get out of a predicament or an embarrassing situation.
4. Anti-theft hard tag as claimed in claim 3, it is characterized in that: arch is presented at the middle part of described upper plastic casing, the both sides of the arcuate inner walls of described upper plastic casing are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.
5. the manufacture craft of an Anti-theft hard tag as claimed in claim 1, first upper plastic casing, lower plastic casing, steel bowl, contact pin, steel ball, three-hole steel column and inductive coil is made, obtained described Anti-theft hard tag after assembling, it is characterized in that: the making of described steel bowl adopts cold headers processing, comprises the steps:
(1) with technique wire rod for raw material, cut off according to the size of steel bowl to be produced, obtain cut off blank;
(2) shaping is carried out to described cut-out blank, obtain shaping blank;
(3) first time stretching is carried out to described shaping blank;
(4) carry out second time again to stretch, obtain stretching blank, described stretching blank is bowl-shape, and the wall thickness of sidewall is thickening successively from top to bottom;
(5) punching is carried out to the bowl bottom of stretching blank, obtain the jack for contact pin grafting, obtained described steel bowl.
6. manufacture craft as claimed in claim 5, is characterized in that: in described step (4), the taper shape that the inwall of described stretching blank is big up and small down, and the outer wall of described stretching blank is right cylinder.
7. the manufacture craft as described in claim 5 or 6, is characterized in that: the middle part of described lower plastic casing is provided with the groove put into for described steel bowl, and the upper end of described steel bowl is higher than the upper end of described groove and formed and get out of a predicament or an embarrassing situation.
8. manufacture craft as claimed in claim 7, it is characterized in that: arch is presented at the middle part of described upper plastic casing, the both sides of the arcuate inner walls of described upper plastic casing are provided with inverted topping bar, described in top bar and to fit with getting out of a predicament or an embarrassing situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027804.5A CN104637222A (en) | 2015-01-16 | 2015-01-16 | Anti-theft hard tag and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027804.5A CN104637222A (en) | 2015-01-16 | 2015-01-16 | Anti-theft hard tag and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104637222A true CN104637222A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027804.5A Pending CN104637222A (en) | 2015-01-16 | 2015-01-16 | Anti-theft hard tag and manufacturing process thereof |
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| Country | Link |
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| CN (1) | CN104637222A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239093A (en) * | 2016-08-23 | 2016-12-21 | 金军勇 | Supermarket anti-theft hard tag product line |
| CN108708635A (en) * | 2018-04-26 | 2018-10-26 | 武义县力华五金机械厂 | Antitheft EAS hard tag component |
| CN110363948A (en) * | 2019-08-22 | 2019-10-22 | 江苏傲讯达电子科技有限公司 | A kind of anti-theft magnetic snap device |
| CN111493483A (en) * | 2020-06-02 | 2020-08-07 | 浙江超宇电子有限公司 | Intelligent equipment storage bag |
| CN113638656A (en) * | 2021-07-23 | 2021-11-12 | 思创医惠科技股份有限公司 | Rotary unlocking EAS (electronic article surveillance) tag and using method thereof |
| CN114699296A (en) * | 2022-03-15 | 2022-07-05 | 河南翔宇医疗设备股份有限公司 | Multifunctional traditional Chinese medicine treatment equipment and treatment method |
| CN114842605A (en) * | 2022-04-13 | 2022-08-02 | 宁波讯强电子科技有限公司 | Preparation method of acoustic-magnetic anti-theft soft label and acoustic-magnetic anti-theft soft label |
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| CN2758878Y (en) * | 2004-12-17 | 2006-02-15 | 庄晓东 | Anti-theft label for glasses frame |
| CN200947228Y (en) * | 2006-09-11 | 2007-09-12 | 赵沛字 | Novel burglar-proof label |
| CN201084237Y (en) * | 2007-08-30 | 2008-07-09 | 杭州美思特电子科技有限公司 | An anti-theft label for emporia |
| CN201122319Y (en) * | 2007-08-12 | 2008-09-24 | 杭州美思特电子科技有限公司 | Non-reversible anti-theft label |
| CN204375098U (en) * | 2015-01-16 | 2015-06-03 | 金军勇 | Anti-theft hard tag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2758878Y (en) * | 2004-12-17 | 2006-02-15 | 庄晓东 | Anti-theft label for glasses frame |
| CN200947228Y (en) * | 2006-09-11 | 2007-09-12 | 赵沛字 | Novel burglar-proof label |
| CN201122319Y (en) * | 2007-08-12 | 2008-09-24 | 杭州美思特电子科技有限公司 | Non-reversible anti-theft label |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239093A (en) * | 2016-08-23 | 2016-12-21 | 金军勇 | Supermarket anti-theft hard tag product line |
| CN108708635A (en) * | 2018-04-26 | 2018-10-26 | 武义县力华五金机械厂 | Antitheft EAS hard tag component |
| CN108708635B (en) * | 2018-04-26 | 2024-04-09 | 武义县力华五金机械厂 | Anti-theft EAS hard tag assembly |
| CN110363948A (en) * | 2019-08-22 | 2019-10-22 | 江苏傲讯达电子科技有限公司 | A kind of anti-theft magnetic snap device |
| CN110363948B (en) * | 2019-08-22 | 2024-05-17 | 江苏傲讯达电子科技有限公司 | Antitheft magnetic buckle device |
| CN111493483A (en) * | 2020-06-02 | 2020-08-07 | 浙江超宇电子有限公司 | Intelligent equipment storage bag |
| CN113638656A (en) * | 2021-07-23 | 2021-11-12 | 思创医惠科技股份有限公司 | Rotary unlocking EAS (electronic article surveillance) tag and using method thereof |
| CN114699296A (en) * | 2022-03-15 | 2022-07-05 | 河南翔宇医疗设备股份有限公司 | Multifunctional traditional Chinese medicine treatment equipment and treatment method |
| CN114842605A (en) * | 2022-04-13 | 2022-08-02 | 宁波讯强电子科技有限公司 | Preparation method of acoustic-magnetic anti-theft soft label and acoustic-magnetic anti-theft soft label |
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Application publication date: 20150520 |