CN107476680B - Commodity anti-theft device - Google Patents
Commodity anti-theft device Download PDFInfo
- Publication number
- CN107476680B CN107476680B CN201710852693.0A CN201710852693A CN107476680B CN 107476680 B CN107476680 B CN 107476680B CN 201710852693 A CN201710852693 A CN 201710852693A CN 107476680 B CN107476680 B CN 107476680B
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- China
- Prior art keywords
- steel wire
- shell
- theft
- traction
- locking mechanism
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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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
- E05B73/0029—Tags wrapped around the protected product using cables, wires or the like, e.g. with cable retraction for tensioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
- E05B73/0041—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops for essentially round objects, e.g. bottles or racket handles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
- E05B73/0047—Unlocking tools; Decouplers
- E05B73/0052—Unlocking tools; Decouplers of the magnetic type
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- 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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2414—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 characterised by the tag technology used using inductive tags
- G08B13/2417—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 characterised by the tag technology used using inductive tags having a radio frequency identification chip
Abstract
The invention relates to a commodity anti-theft device, which comprises a shell, an anti-theft steel wire, a steel wire locking mechanism, a traction body, a traction return spring and a traction steel wire, wherein the fixed end of the anti-theft steel wire is relatively fixed with the shell, a steel wire inlet and a steel wire outlet are respectively formed in two side walls of the shell, the free end of the anti-theft steel wire penetrates into the shell from the steel wire inlet and extends out from the steel wire outlet, the steel wire locking mechanism is arranged at one side of the steel wire inlet, and the steel wire penetrates through and is locked by the steel wire locking mechanism; the traction body is arranged in the shell in a sliding mode, the traction reset spring is arranged between the traction body and the shell, the two ends of the traction steel wire are respectively connected with the steel wire locking mechanism and the traction body, and the traction body is a magnet or an iron block. The invention utilizes the traction steel wire to connect the telescopic piece and the traction body, the traction body drives the telescopic piece to be far away from the telescopic fixing part through the traction steel wire, and the steel wire fixing bead moves towards the radial outer side, so that the unlocking of the anti-theft steel wire is realized, the unlocking stroke is increased, the anti-theft steel wire can adapt to commodities with different specifications, and the structure is simple.
Description
Technical Field
The invention relates to the technical field of burglary prevention, in particular to a commodity burglary prevention device.
Background
With the rapid development of society and economy, markets and supermarkets are more and more, the scale is larger and larger, the theft prevention of commodities in the markets and supermarkets is an important part of the operation of the markets and supermarkets, and in order to reduce the labor cost and improve the experience of customers, the markets and supermarkets are mostly locked on the commodities by adopting anti-theft tags at present so as to prevent the commodities from being stolen maliciously.
Korean utility model No. 20-0274007 discloses a merchandise anti-theft device, japanese patent laid-open No. 2008-204218 discloses an anti-theft tag, which has the same principle, and is formed by inserting an anti-theft pin or an anti-theft wire into an anti-theft case, arranging a return spring at the lower side of the anti-theft case, arranging a plurality of steel balls circumferentially at the inner side of the anti-theft case, forming a channel for the anti-theft pin or the anti-theft wire to be inserted at the center of the steel balls, pushing the steel balls in the anti-theft case to extrude the anti-theft pin or the anti-theft wire by the return spring, thereby preventing the anti-theft pin or the anti-theft wire from being maliciously pulled out, only forming attraction to the anti-theft case by a magnet at a counter, overcoming the resistance of the return spring, and moving the steel balls radially outward, at this time, the anti-theft pin or the anti-theft steel wire can be taken out of the anti-theft shell, but the technology is based on the premise that the length of the anti-theft pin or the anti-theft steel wire is short, if the length of the anti-theft pin or the anti-theft steel wire is long, after the anti-theft pin or the anti-theft tag penetrates through the anti-theft device or the anti-theft tag, the magnet cannot be smoothly close to the anti-theft shell, and the anti-theft shell cannot be driven, however, some commodities often need the anti-theft pin or the anti-theft steel wire to have long length when being connected with the anti-theft device, or the anti-theft device needs to design the anti-theft pin or the anti-theft steel wire to have long length in order to adapt to various commodities, and the commodity anti-theft device of korean utility model No. 20-0274007 and the anti-theft tag of japanese patent laid open publication No. 2008-204218 cannot meet the requirement that the length of the anti-theft pin or the anti-theft steel wire is long, and the application range is greatly limited.
Disclosure of Invention
The invention aims to provide a commodity anti-theft device, which is used for solving the problems that the existing anti-theft device cannot be unlocked smoothly when an anti-theft steel wire extends out of a locking mechanism, and the application range is limited.
In order to achieve the purpose, the traction steel wire is used for connecting the telescopic piece and the traction body, when the steel wire locking mechanism needs to be unlocked, the unlocking magnet at the position, close to the counter, of the traction body drives the telescopic piece to be far away from the telescopic fixing part through the traction steel wire, the steel wire fixing bead moves towards the radial outer side, then the unlocking of the anti-theft steel wire is achieved, the unlocking stroke is increased, the anti-theft steel wire locking device can adapt to commodities of different specifications, and the anti-theft steel wire locking device is simple in structure.
The commodity anti-theft device comprises a shell, an anti-theft steel wire, a steel wire locking mechanism, a traction body, a traction return spring and a traction steel wire, wherein the fixed end of the anti-theft steel wire is fixed relative to the shell, a steel wire inlet and a steel wire outlet are respectively formed in two side walls of the shell, the free end of the anti-theft steel wire penetrates into the shell from the steel wire inlet and extends out from the steel wire outlet, the steel wire locking mechanism is arranged on one side of the steel wire inlet, and the anti-theft steel wire penetrates through the steel wire locking mechanism and is locked;
the steel wire locking mechanism comprises a telescopic fixing part, steel wire fixing beads, a telescopic piece and a locking reset spring which are sequentially arranged along the direction from a steel wire inlet to a steel wire outlet, the section of an inner cavity of the telescopic fixing part is trapezoidal, and a plurality of steel wire fixing beads are uniformly distributed in the telescopic fixing part;
the traction body is arranged in the shell in a sliding mode, the traction reset spring is arranged between the traction body and the shell, the two ends of the traction steel wire are respectively connected with the telescopic piece and the traction body, and the traction body is a magnet or an iron block.
The outer wall of the shell is provided with an inwards concave arc-shaped fixing part, and the fixed end of the anti-theft steel wire and the steel wire locking mechanism are respectively arranged at two ends of the arc-shaped fixing part. The theftproof steel wire and the arc fixed part combined action realize with being connected of commodity, receive the restriction of arc fixed part certainly, the anti-theft device of this structure is fit for the locking of the less commodity of diameter, wine bottle neck department such as red wine.
The outer wall of the shell is provided with an inwards concave arc-shaped fixing part, the steel wire locking mechanism is arranged at one end of the arc-shaped fixing part, and the shells at the two ends of the arc-shaped fixing part are respectively provided with a steel wire fixing unit for fixing the fixing end. The anti-theft device of this structure can adapt to the commodity of different diameters, when the commodity diameter is less, for example beverage bottles such as red wine, can set up the stiff end of theftproof steel wire at the other end of keeping away from steel wire locking mechanism's arc fixed part, and if the commodity diameter is great, for example milk powder jar, melon seed storage tank, can set up the stiff end of theftproof steel wire and steel wire locking mechanism in the same one end of arc fixed part, simply utilize the theftproof steel wire to realize being connected with commodity, and not with the help of the arc fixed part.
And the inner side of the arc-shaped fixing part is also provided with an antiskid bulge. The anti-theft steel wire is relatively smooth, and the anti-skid protrusions can prevent the anti-theft device from being separated from the commodity maliciously, so that the anti-theft device is more reliably connected with the commodity.
The steel wire locking mechanism is fixed inside the shell, and steel wire locking mechanism still includes a locking drain pan, and flexible fixed part is a flexible set casing, and the one end that flexible set casing internal diameter is big inlays the pressure block to the annular groove that locking drain pan inner wall was seted up, and locking reset spring sets up between locking drain pan and extensible member, and the theftproof steel wire is seted up at locking drain pan middle part and is passed the hole, and the theftproof steel wire is offered on the locking drain pan that the hole one side or both sides were passed and is supplied to draw the steel wire to pass the hole.
The extensible member is cylindric, and the one end opening of extensible member is equipped with the traction steel wire fixed orifices, and the other end is equipped with the end plate, still is equipped with fixed pearl baffle at the inboard middle part of extensible member, and the fixed pearl of steel wire sets up between end plate and fixed pearl baffle, offers a plurality of slotted holes that correspond with the fixed pearl of steel wire on the extensible member lateral wall between end plate and the fixed pearl baffle.
And a steel wire guide channel is arranged in the shell between the steel wire inlet and the steel wire outlet. The steel wire guide channel can ensure that the anti-theft steel wire smoothly passes through the steel wire outlet, and the operation is more convenient.
The shell comprises a left shell, a right shell and a cover body, the left shell and the right shell are symmetrical in structure and are fastened and fixed, and the cover body is fixed at the upper end of the left shell and the upper end of the right shell. The cover body can be utilized to conveniently install an alarm chip and an alarm magnetic bar coil in the shell, and the alarm chip can adopt an RFID alarm chip.
And a plastic sleeve is sleeved on the anti-theft steel wire between the fixed end and the steel wire locking mechanism. The plastic sleeve can play an anti-skid role, the anti-theft steel wire is prevented from being maliciously taken down from a commodity, meanwhile, the plastic sleeve also plays a wear-resistant role, and the service life of the anti-theft steel wire is prolonged.
The fixed end of theftproof steel wire is fixedly connected with a columnar body, the diameter of the columnar body is greater than that of the theftproof steel wire, and the inner side of the shell is provided with a fixed cavity for accommodating the columnar body.
The locking bottom shell is a bell-jar-shaped plastic shell.
The invention has the following advantages:
1. according to the invention, the traction steel wire is used for connecting the telescopic piece and the traction body, when the steel wire locking mechanism needs to be unlocked, the unlocking magnet at the position, close to the counter, of the traction body drives the telescopic piece to be far away from the telescopic fixing part through the traction steel wire, the steel wire fixing bead moves towards the radial outer side, so that the unlocking of the anti-theft steel wire is realized, the unlocking stroke is increased, the anti-theft steel wire locking mechanism can adapt to commodities of different specifications, and the structure is simple.
2. The anti-theft device with the structure can adapt to commodities with different diameters, when the diameters of the commodities are small, such as wine bottles of red wine and the like, the fixed end of the anti-theft steel wire can be arranged at the other end of the arc fixed part far away from the steel wire locking mechanism, and if the diameters of the commodities are large, such as a milk powder tank and a melon seed storage tank, the fixed end of the anti-theft steel wire and the steel wire locking mechanism can be arranged at the same end of the arc fixed part, the anti-theft steel wire is simply used for realizing connection with the commodities instead of the arc fixed part, so that the fixing form is more flexible, and the application range is wider.
3. The steel wire guide channel is arranged in the shell between the steel wire inlet and the steel wire outlet, so that the antitheft steel wire can be smoothly penetrated out from the steel wire outlet, and the operation is more convenient.
4. The cover is equipped with plastic sleeve on the theftproof steel wire between stiff end and the steel wire locking mechanism, can play skid-proof effect, avoids the theftproof steel wire maliciously to be taken off from the commodity, and plastic sleeve still plays wear-resisting effect simultaneously, improves the life of theftproof steel wire.
As a further processed product of the present invention, the article surveillance device may take the following form of surveillance alarm, but it should be noted that this is not a limitation of the present invention:
1. placing the RFID chips separately;
2. an alarm chip is separately arranged in the shell;
3. alarm magnetic bar coils are independently arranged in the shell;
4. an RFID chip and an alarm chip are placed in the shell to realize double-frequency alarm;
5. and an RFID chip and an alarm magnetic bar coil are placed in the shell, so that double alarm is realized.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of the present invention.
Fig. 2 is a sectional view of embodiment 1 of the present invention.
Fig. 3 is a partially enlarged view of a point a in fig. 2.
Fig. 4 is a perspective view of the telescoping member.
Fig. 5 is an exploded view of example 1 of the present invention.
Fig. 6 is a sectional view of embodiment 2 of the present invention.
Fig. 7 is a sectional view of embodiment 3 of the present invention.
Fig. 8 to 10 are schematic structural views of embodiment 4 of the present invention.
Fig. 11 is a schematic structural diagram of embodiment 6 of the present invention.
Fig. 12 is a schematic structural view of embodiment 8 of the present invention.
In the figure: 1-shell 2-anti-theft steel wire 3-arc fixing part 4-anti-skid protrusion 5-column 6-steel wire guide channel 7-traction steel wire 8-traction body 9-traction return spring 10-telescopic fixing shell 11-steel wire fixing bead 12-telescopic piece 13-locking return spring 14-locking bottom shell 15-end plate 16-fixing bead baffle 17-traction steel wire fixing hole 18-left shell 19-right shell 20-cover 21-RFID chip 22-alarm magnetic bar coil 23-plastic sleeve 101-steel wire inlet 102-steel wire outlet 201-fixed end 202-free end.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1-2, the commodity anti-theft device comprises a shell 1, an anti-theft steel wire 2, a steel wire locking mechanism, a traction body 8, a traction return spring 9 and a traction steel wire 7, wherein a fixed end 201 of the anti-theft steel wire 2 is relatively fixed with the shell 1, a steel wire inlet 101 and a steel wire outlet 102 are respectively arranged on two side walls of the shell 1, a free end 202 of the anti-theft steel wire 2 penetrates into the shell 1 from the steel wire inlet 101 and extends out from the steel wire outlet 102, the steel wire locking mechanism is arranged on one side of the steel wire inlet 101, and the anti-theft steel wire 2 penetrates through the steel wire locking mechanism and is locked by the steel wire locking mechanism; the traction body 8 is arranged in the shell 1 in a sliding mode, the traction return spring 9 is arranged between the traction body 8 and the shell 1, the two ends of the traction steel wire 7 are respectively connected with the steel wire locking mechanism and the traction body 8, the traction body 8 is an iron block capable of being attracted by a magnet, and therefore the traction steel wire can be matched with an unlocking magnet of a counter, and the steel wire locking mechanism is driven to unlock through the traction steel wire 7.
In order to ensure that the traction body 8 moves directionally in the housing 1, a guide groove is arranged on the inner side of the housing 1, and the traction body 8 is arranged in the guide groove in a sliding manner. And the outer end part of the traction body 8 is provided with an opening, the traction return spring 9 is arranged in the guide groove, and one end of the traction return spring extends into the inner side of the opening of the traction body 8.
The outer wall of the shell 1 is provided with an inwards concave arc-shaped fixing part 3, and the fixed end 201 of the anti-theft steel wire 2 and the steel wire locking mechanism are respectively arranged at two ends of the arc-shaped fixing part 3. The anti-theft steel wire 2 and the arc-shaped fixing part 3 jointly act to realize clamping with commodities, and are limited by the arc-shaped fixing part 3, and the anti-theft device with the structure is suitable for locking the neck of a commodity with a smaller diameter, such as a wine bottle neck of red wine and the like.
Still be equipped with the antiskid ribbed tile 4 in the inboard of arc fixed part 3, theftproof steel wire 2 is comparatively smooth, and this antiskid ribbed tile 4 can prevent that this anti-theft device from being separated by maliciously from commodity for the anti-theft device is more reliable with being connected of commodity, and the elastic material is preferably adopted to protection ribbed tile 4, and skid resistance is more excellent like this.
The fixed end 201 of the anti-theft steel wire 2 is fixedly connected with a cylindrical body 5, the cylindrical body 5 in the embodiment is cylindrical, the diameter of the cylindrical body 5 is larger than that of the anti-theft steel wire 2, and the inner side of the shell is provided with a fixing cavity for accommodating the cylindrical body 5.
Referring to fig. 3, the steel wire locking mechanism in this embodiment is fixed in the housing 1, specifically, the steel wire locking mechanism includes a telescopic fixing shell 10, steel wire fixing beads 11, a telescopic part 12, a locking return spring 13 and a locking bottom shell 14 which are sequentially arranged along the direction from the steel wire inlet 101 to the steel wire outlet 102, an inner cavity of the telescopic fixing shell 10 is trapezoidal, a plurality of steel wire fixing beads 11 are uniformly distributed in the telescopic fixing shell 10, and the steel wire fixing beads 11 are tightened by using the trapezoidal inner cavity of the telescopic fixing shell 10, so as to clamp the antitheft steel wire 2. The steel wire fixing beads 11 are evenly distributed, and an included angle of 120 degrees is formed between the two steel wire fixing beads 11. The end of the telescopic fixing shell 10 with a large inner diameter is embedded, pressed and clamped into an annular groove formed in the inner wall of the locking bottom shell 14, the locking return spring 13 is arranged between the locking bottom shell 14 and the telescopic piece 12, and the locking bottom shell 14 is a bell-jar-shaped plastic shell. An anti-theft steel wire passing hole is formed in the middle of the locking bottom shell 14, and a traction steel wire passing hole for the traction steel wire 7 to pass through is formed in the locking bottom shell 14 on the two sides of the anti-theft steel wire passing hole.
Referring to fig. 4, the extensible member 12 is cylindrical, one end of the extensible member 12 is open and provided with a traction steel wire fixing hole 17, the other end of the extensible member is provided with an end plate 15, a fixing bead baffle 16 is further arranged in the middle of the inner side of the extensible member 12, a steel wire fixing bead 11 is arranged between the end plate 15 and the fixing bead baffle 16, a plurality of slotted holes corresponding to the steel wire fixing bead 11 are formed in the side wall of the extensible member 12 between the end plate 15 and the fixing bead baffle 16, and the slotted holes can keep the included angle between the steel wire fixing beads 11 stable.
Referring to fig. 5, the housing 1 includes a left casing 18, a right casing 19 and a cover 20, the left casing 18 and the right casing 19 are symmetrical and fastened, and the cover 20 is fixed on the upper ends of the left casing 18 and the right casing 19. The cover body 20 can be used for conveniently installing an alarm chip and an alarm magnetic rod coil 22 in the shell 1, and the alarm chip can adopt an RFID chip 21. After the left shell 18 and the right shell 19 are butted, the cylindrical body 5 is fixed in the fixing cavity, the structure is simple, and the installation is very convenient.
A wire guide passage 6 is provided in the housing 1 between the wire inlet 101 and the wire outlet 102. The steel wire guide channel 6 can ensure that the anti-theft steel wire 2 smoothly passes through the steel wire outlet 102, and the operation is more convenient.
The working principle is as follows: the free end 202 of the anti-theft steel wire 2 sequentially passes through the steel wire locking mechanism from the steel wire inlet 101, the outer shell 1 extends out of the steel wire guide channel 6 and the steel wire outlet 102, wherein when the anti-theft steel wire 2 passes through the steel wire locking mechanism, the steel wire fixing bead 11 can be firstly extruded, the square movement towards the steel wire outlet 102 can be continuously carried out after the resistance of the locking reset spring 13 is overcome, because the locking reset spring 13 pushes the telescopic piece 12 to move towards one side of the telescopic fixing shell 10, the steel wire fixing bead 11 is enabled to compress the anti-theft steel wire 2, and therefore the anti-theft steel wire 2 cannot be pulled out from one side of the steel wire inlet 101 in the opposite direction.
When the anti-theft device needs to be unlocked, the shell 1 at the position of the traction body 8 is close to the unlocking magnet at the counter, the unlocking magnet attracts the traction body 8 to move to one side of the unlocking magnet under the action of the traction return spring 9, then the traction body 8 drives the telescopic piece 12 to directionally move under the resistance of the locking return spring 13 through the traction steel wire 7, the steel wire fixing bead 11 obtains a space moving to the radial outer side at the moment, the anti-theft steel wire 2 can be pulled along the direction from the steel wire outlet 102 to the steel wire inlet 101 at the moment, and the anti-theft device is separated from a commodity.
The merchandise anti-theft device of the present invention can be applied to the following aspects, but is not limited to the application scope of the present invention:
1. the anti-theft protection of the wine bottle buckle;
2. the vacuum cup is protected against theft;
3. the milk powder tank is protected against theft;
4. the cosmetics with neck are protected against theft;
5. other merchandise with a neck that can be clipped on.
Example 2
Referring to fig. 6, the commodity anti-theft device comprises a shell 1, an anti-theft steel wire 2, a steel wire locking mechanism, a traction body 8, a traction return spring 9 and a traction steel wire 7, wherein a fixed end 201 of the anti-theft steel wire 2 is relatively fixed with the shell 1, a steel wire inlet 101 and a steel wire outlet 102 are respectively arranged on two side walls of the shell 1, a free end 202 of the anti-theft steel wire 2 penetrates into the shell 1 from the steel wire inlet 101 and extends out from the steel wire outlet 102, the steel wire locking mechanism is arranged on one side of the steel wire inlet 101, and the steel wire is penetrated through and locked by the steel wire locking mechanism; the traction body 8 is arranged in the shell 1 in a sliding mode, the traction return spring 9 is arranged between the traction body 8 and the shell 1, the two ends of the traction steel wire 7 are respectively connected with the telescopic piece 12 and the steel wire locking mechanism, the traction body 8 is a magnet or an iron block, and therefore the traction body can be matched with an unlocking magnet of a counter, and the steel wire locking mechanism is driven to unlock through the traction steel wire 7. The wire locking mechanism can refer to embodiment 1.
In this embodiment, a plastic sleeve 23 is sleeved on the anti-theft steel wire 2 between the fixed end 201 and the steel wire locking mechanism. The plastic sleeve 23 can play a role in skid resistance, the anti-theft steel wire 2 is prevented from being maliciously taken down from a commodity, meanwhile, the plastic sleeve 23 also plays a role in wear resistance, and the service life of the anti-theft steel wire 2 is prolonged. Specifically, the plastic sleeve 23 may be made of PU material.
Example 3
Referring to fig. 7, an inner concave arc-shaped fixing portion 3 is disposed on the outer wall of the housing 1, the wire locking mechanism is disposed at one end of the arc-shaped fixing portion 3, and the housing 1 at the two ends of the arc-shaped fixing portion 3 is respectively provided with a wire fixing unit for fixing the fixing end 201. The anti-theft device of this structure can adapt to the commodity of different diameters, when the commodity diameter is less, beverage bottles such as red wine, can set up the stiff end 201 of theftproof steel wire 2 at the other end of keeping away from steel wire locking mechanism's arc fixed part 3, and if the commodity diameter is when great, for example milk powder jar, the melon seed storage tank, can set up the stiff end 201 of theftproof steel wire 2 and steel wire locking mechanism in same one end of arc fixed part 3, simply utilize the theftproof steel wire 2 to realize being connected with commodity, and not with the help of arc fixed part 3. The steel wire fixing unit can be a fixing cavity or other fixing structures.
Example 4
Referring to fig. 8, as a subsequent process of the article surveillance device, an RFID chip may be affixed to the upper side of the interior of the housing 1 to implement surveillance alarm.
The housing 1 in this embodiment includes a left housing 18, a right housing 19, and a cover 20, where the left housing 18 and the right housing 19 are symmetrical and fastened, and the cover 20 is fixed at the upper ends of the left housing 18 and the right housing 19. The RFID chip can be very conveniently inside the housing 1 by means of the cover 20.
Referring to fig. 9, as a subsequent process of the article surveillance device, an alarm magnetic rod coil 22 may be installed inside the housing 1 to implement surveillance alarm. The structure of the housing 1 can be referred to embodiment 1.
Referring to fig. 10, as a subsequent process of the article surveillance device, an RFID chip and an alarm bar magnet coil 22 may be installed inside the housing 1 at the same time, so as to implement a dual surveillance alarm. The structure of the housing 1 can be referred to embodiment 1.
Example 5
The traction body 8 can also be a magnet, and can also attract an unlocking magnet on the counter so as to realize unlocking.
Example 6
Referring to fig. 11, the steel wire locking mechanism includes the flexible set casing 10, the steel wire fixed bead 11, the extensible member 12 and the locking reset spring 13 that set gradually along steel wire entry 101 to steel wire export 102 direction, and the inner chamber of flexible set casing 10 is trapezoidal, and a plurality of steel wire fixed bead 11 evenly distributed utilize the trapezoidal inner chamber of flexible set casing 10 to form the tightening up of steel wire fixed bead 11 in flexible set casing 10 to press from both sides tight theftproof steel wire 2. The steel wire fixing beads 11 are evenly distributed, and an included angle of 120 degrees is formed between the two steel wire fixing beads 11. The telescopic fixing shell 10 is fixed relative to the housing 1, and the locking return spring 13 is arranged between the housing 1 and the telescopic piece 12.
Example 7
Steel wire locking mechanism includes the flexible fixed part, the fixed pearl 11 of steel wire, extensible member 12, locking reset spring 13 and the locking drain pan 14 that set gradually along steel wire entry 101 to steel wire export 102 direction, and the inner chamber of flexible fixed part is trapezoidal, and the fixed pearl 11 evenly distributed of a plurality of steel wires is in flexible fixed part, and the trapezoidal inner chamber of utilizing flexible fixed part forms tightening up to the fixed pearl 11 of steel wire to press from both sides tight theftproof steel wire 2. The steel wire fixing beads 11 are uniformly distributed, and an included angle of 120 degrees is formed between the two steel wire fixing beads 11. The end of the telescopic fixing part with the large inner diameter is embedded, pressed and clamped into an annular groove formed in the inner wall of the locking bottom shell 14, the locking return spring 13 is arranged between the locking bottom shell 14 and the telescopic piece 12, and the locking bottom shell 14 is a bell-jar-shaped plastic shell. An anti-theft steel wire passing hole is formed in the middle of the locking bottom shell 14, and a traction steel wire passing hole for the traction steel wire 7 to pass through is formed in the locking bottom shell 14 on the two sides of the anti-theft steel wire passing hole.
The shell 1 comprises a left shell 18, a right shell 19 and a cover body 20, wherein the left shell 18 and the right shell 19 are structurally symmetrical and fastened and fixed, and the cover body 20 is fixed at the upper ends of the left shell 18 and the right shell 19. The telescopic fixing portion in this embodiment is a support wall integrally connected to the left and right cases 18 and 19.
Example 8
Referring to fig. 12, the article surveillance device in this embodiment includes a housing 1, a surveillance steel wire 2, a steel wire locking mechanism, a traction body 8, a traction return spring 9 and a traction steel wire 7, a fixed end 201 of the surveillance steel wire 2 is fixed relative to the housing 1, two side walls of the housing 1 are respectively provided with a steel wire inlet 101 and a steel wire outlet 102, a free end 202 of the surveillance steel wire 2 penetrates into the housing 1 from the steel wire inlet 101 and extends from the steel wire outlet 102, the steel wire locking mechanism is disposed at one side of the steel wire inlet 101, and the surveillance steel wire 2 penetrates and is locked by the steel wire locking mechanism; the traction body 8 is arranged in the shell 1 in a sliding mode, the traction return spring 9 is arranged between the traction body 8 and the shell 1, and the two ends of the traction steel wire 7 are respectively connected with the steel wire locking mechanism and the traction body 8. The steel wire locking mechanism comprises a telescopic fixing shell 10, steel wire fixing beads 11, a telescopic piece 12, a locking reset spring 13 and a locking bottom shell 14 which are sequentially arranged along the direction from a steel wire inlet 101 to a steel wire outlet 102, wherein the inner cavity of the telescopic fixing shell 10 is trapezoidal, a plurality of steel wire fixing beads 11 are uniformly distributed in the telescopic fixing shell 10, and the trapezoidal inner cavity of the telescopic fixing shell 10 is utilized to form tightening of the steel wire fixing beads 11, so that the anti-theft steel wire 2 is clamped. The steel wire fixing beads 11 are evenly distributed, and an included angle of 120 degrees is formed between the two steel wire fixing beads 11. The end of the telescopic fixing shell 10 with a large inner diameter is embedded, pressed and clamped into an annular groove formed in the inner wall of the locking bottom shell 14, and the locking return spring 13 is arranged between the locking bottom shell 14 and the telescopic piece 12. The telescopic fixing case 10 is fixed to the outside of the housing 1.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (8)
1. An article antitheft device, characterized in that: the commodity anti-theft device comprises a shell, an anti-theft steel wire, a steel wire locking mechanism, a traction body, a traction return spring and a traction steel wire, wherein the fixed end of the anti-theft steel wire is relatively fixed with the shell, a steel wire inlet and a steel wire outlet are respectively formed in two side walls of the shell, the free end of the anti-theft steel wire penetrates into the shell from the steel wire inlet and extends out from the steel wire outlet, the steel wire locking mechanism is arranged on one side of the steel wire inlet, and the anti-theft steel wire penetrates through the steel wire locking mechanism and is locked;
the steel wire locking mechanism comprises a telescopic fixing part, steel wire fixing beads, a telescopic piece and a locking reset spring which are sequentially arranged along the direction from a steel wire inlet to a steel wire outlet, the section of an inner cavity of the telescopic fixing part is trapezoidal, and a plurality of steel wire fixing beads are uniformly distributed in the telescopic fixing part;
the traction body is arranged in the shell in a sliding manner, the traction return spring is arranged between the traction body and the shell, two ends of the traction steel wire are respectively connected with the telescopic piece and the traction body, and the traction body is a magnet or an iron block;
the steel wire locking mechanism is fixed inside the shell, the steel wire locking mechanism further comprises a locking bottom shell, the telescopic fixing part is a telescopic fixing shell, one end with a large inner diameter of the telescopic fixing shell is embedded, pressed and clamped into an annular groove formed in the inner wall of the locking bottom shell, the locking reset spring is arranged between the locking bottom shell and the telescopic piece, an anti-theft steel wire through hole is formed in the middle of the locking bottom shell, and a traction steel wire through hole for a traction steel wire to pass through is formed in the locking bottom shell on one side or two sides of the anti-theft steel wire through hole;
the outer wall of the shell is provided with an inwards concave arc-shaped fixing part, and the fixed end of the anti-theft steel wire and the steel wire locking mechanism are respectively arranged at two ends of the arc-shaped fixing part.
2. The article surveillance device according to claim 1, characterized in that: the outer wall of the shell is provided with an inwards concave arc-shaped fixing part, the steel wire locking mechanism is arranged at one end of the arc-shaped fixing part, and the shells at the two ends of the arc-shaped fixing part are respectively provided with a steel wire fixing unit for fixing the fixing end.
3. The article surveillance device according to claim 1 or 2, characterized in that: and the inner side of the arc-shaped fixing part is also provided with an antiskid bulge.
4. The article surveillance device according to claim 1, characterized in that: the extensible member is cylindric, and the one end opening of extensible member is equipped with the traction steel wire fixed orifices, and the other end is equipped with the end plate, still is equipped with fixed pearl baffle at the inboard middle part of extensible member, and the fixed pearl of steel wire sets up between end plate and fixed pearl baffle, offers a plurality of slotted holes that correspond with the fixed pearl of steel wire on the extensible member lateral wall between end plate and the fixed pearl baffle.
5. The article surveillance device according to claim 1, characterized in that: and a steel wire guide channel is arranged in the shell between the steel wire inlet and the steel wire outlet.
6. The article surveillance device according to claim 1, characterized in that: the shell comprises a left shell, a right shell and a cover body, the left shell and the right shell are symmetrical in structure and are fastened and fixed, and the cover body is fixed at the upper end of the left shell and the upper end of the right shell.
7. The article surveillance device according to claim 1, characterized in that: and a plastic sleeve is sleeved on the anti-theft steel wire between the fixed end and the steel wire locking mechanism.
8. The article surveillance device according to claim 1, characterized in that: the stiff end fixedly connected with columnar body of theftproof steel wire, the diameter of columnar body is greater than the diameter of theftproof steel wire, and the inboard of casing is equipped with a fixed cavity that holds the columnar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852693.0A CN107476680B (en) | 2017-09-19 | 2017-09-19 | Commodity anti-theft device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852693.0A CN107476680B (en) | 2017-09-19 | 2017-09-19 | Commodity anti-theft device |
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| Publication Number | Publication Date |
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| CN107476680A CN107476680A (en) | 2017-12-15 |
| CN107476680B true CN107476680B (en) | 2022-11-04 |
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| CN201710852693.0A Active CN107476680B (en) | 2017-09-19 | 2017-09-19 | Commodity anti-theft device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039115B (en) * | 2018-01-04 | 2023-06-23 | 徐州龙安电子科技有限公司 | Clothes label |
| CN109147249A (en) * | 2018-11-14 | 2019-01-04 | 上海曌丰智能科技有限公司 | A kind of anti-theft electronic tag |
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| CN107476680A (en) | 2017-12-15 |
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