CN107452173B - Anti-theft device with heel for alarming by self-sounding when broken wire - Google Patents
Anti-theft device with heel for alarming by self-sounding when broken wire Download PDFInfo
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- CN107452173B CN107452173B CN201710936209.2A CN201710936209A CN107452173B CN 107452173 B CN107452173 B CN 107452173B CN 201710936209 A CN201710936209 A CN 201710936209A CN 107452173 B CN107452173 B CN 107452173B
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- locking
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
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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
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- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention relates to a heel shoe anti-theft device capable of alarming by self-ringing after wire breakage, which comprises an anti-theft shell, an anti-theft steel wire and an upper connecting buckle, wherein the anti-theft shell is fixed on the rear side of a heel part through the anti-theft steel wire and the upper connecting buckle; a steel wire locking mechanism for locking the steel wire is arranged in the anti-theft shell, a battery, a circuit board, a sound alarm and a radio frequency alarm unit are also arranged in the anti-theft shell, the battery supplies power for the circuit board and the sound alarm, two alarm contacts are arranged on the circuit board, a broken line alarm circuit is arranged on the circuit board between the two alarm contacts, and the fixed end of the anti-theft steel wire is connected with one alarm contact; the steel wire locking mechanism comprises a locking block for pressing the anti-theft steel wire, and the locking block is connected with another alarm contact through a wire. The invention utilizes the broken wire alarm circuit to detect the integrity of the anti-theft steel wire, and effectively solves the problem that the anti-theft shell is taken down from the shoe to be stolen only by cutting off the anti-theft steel wire.
Description
Technical Field
The invention relates to the technical field of theft prevention, in particular to a heel-shoe anti-theft device capable of alarming by self-sounding when a wire is broken.
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, the markets and supermarkets need to consider the reduction of labor cost and the improvement of customer experience, and meanwhile, the problem of commodity theft prevention is solved, which is a contradiction problem for the markets and supermarkets in practice. Particularly items of footwear that the consumer is required to try on.
In a market, in order to prevent the shoes for display from being stolen, one shoe is generally displayed, and under the condition, a person who has the purpose of malicious theft and pretends to a consumer cannot steal a pair of shoes, so that the purpose of theft prevention is achieved. In the actual operation process, a consumer can inform a salesperson after selecting a proper shoe, the salesperson inquires the stock according to the tag of the shoe, and then calls a pair of shoes with proper shoe sizes and colors for the customer to try on.
Some trade companies are in order to reduce salesman's work load, improve work efficiency, show a pair of shoes simultaneously and fix an anti-theft device on shoes, the device embeds alarm chip, this anti-theft device passes through the steel wire to be fixed on shoes, must just can open in cabinet body department, if there is the customer to take shoes away from the market without permission, the detection device of trade company exit just detects alarm chip and reports to the police, thereby realize the purpose of theftproof, but this anti-theft device has an drawback and is cut the steel wire in general customer's market, will steal shoes and can not initiate the warning.
Disclosure of Invention
The invention aims to provide a heel-shoe anti-theft device capable of alarming by self-sounding when a wire is broken, which is used for solving the problem of poor anti-theft performance of the existing shoe anti-theft device.
In order to achieve the purpose, the wire breakage alarm circuit is arranged in the anti-theft shell, two ends of the anti-theft steel wire are respectively communicated with the two alarm contacts of the wire breakage alarm circuit, when the anti-theft steel wire is cut, the wire breakage alarm circuit can give an alarm through the sound alarm unit, and the anti-theft effect is better.
The anti-theft device comprises an anti-theft shell, an anti-theft steel wire and an upper connecting buckle, wherein the upper connecting buckle is fixed on the front side of the upper end of the anti-theft shell, the upper connecting buckle is used for connecting a heel of a shoe, the anti-theft steel wire is arranged on the lower part of the anti-theft shell, the anti-theft steel wire is used for binding and connecting the heel, and the anti-theft shell is fixed on the rear side of the heel through the anti-theft steel wire and the upper connecting buckle;
a steel wire locking mechanism for locking the steel wire is arranged in the anti-theft shell, one end of the anti-theft steel wire is a fixed end which is fixed relative to the anti-theft shell, and the other end of the anti-theft steel wire is a free end which penetrates through the steel wire locking mechanism;
the anti-theft device is characterized in that a battery, a circuit board, an acoustic alarm and a radio frequency alarm unit are also arranged in the anti-theft shell, the battery supplies power for the circuit board and the acoustic alarm, two alarm contacts are arranged on the circuit board, a disconnection alarm circuit is arranged on the circuit board between the two alarm contacts, the acoustic alarm is connected with the disconnection alarm circuit, and the fixed end of the anti-theft steel wire is connected with one alarm contact;
the steel wire locking mechanism comprises a locking block for pressing the anti-theft steel wire, the locking block is made of conductive metal, and the locking block is connected with another alarm contact through a lead. The free end of the anti-theft steel wire is sliding, so the free end of the anti-theft steel wire and the alarm contact can not be directly connected by a lead.
The steel wire locking mechanism also comprises a locking reset spring which is arranged at the rear side of the locking block;
the front side of the locking block is provided with a steel wire groove for the anti-theft steel wire to pass through, and the anti-theft steel wire close to the free end is provided with a plurality of conical chamfers;
the material of latch segment is iron. Utilize the toper chamfer of theftproof steel wire to realize the one-way motion of theftproof steel wire under the locking state, the security is better, locking reset spring promotes the latch segment to theftproof steel wire one side removal and finally compresses tightly the theftproof steel wire on the inner wall of theftproof casing, realize the locking of theftproof steel wire, when needs unblock, the unblock magnet that is close to sales counter department with the unblock face that the theftproof casing is corresponding with the latch segment, unblock magnet can attract the latch segment to overcome locking reset spring's resistance and remove to the direction of keeping away from the theftproof steel wire, the theftproof steel wire just can make a round trip to freely slide this moment, the theftproof steel wire just can separate with the heel this moment, then, just can take off the upper of a shoe connector link from having with the upper of a shoe, thereby realize the separation with shoes.
The anti-theft steel wire close to the free end is sleeved with a plurality of conical sleeves, the conical sleeves are connected end to end in the direction to form a conical sleeve, the conical sleeves at the two ends of the conical sleeve are fixedly connected with the anti-theft steel wire, and the conical sleeves are made of conductive metal. The anti-theft steel wire is of a long and thin structure, and the conical chamfer is difficult to process on the anti-theft steel wire, so that the steel wire is difficult to slide in a single direction.
The tapered sleeves at the two ends of the tapered sleeve can be fixedly connected with the anti-theft steel wire in a welding mode, and can also be fixed in a mode of arranging fixing clips at the two ends of the tapered sleeves.
And a plurality of conical grooves matched with the conical chamfers are formed in the inner sides of the locking grooves. Can make the latch segment and theftproof steel wire cooperation more stable.
A guide sleeve is arranged on the inner side of the anti-theft shell, and the locking block is arranged in the guide sleeve in a sliding manner;
the inner side of the guide sleeve is also provided with a guide post fixedly connected with the anti-theft shell, and the locking reset spring is sleeved on the guide post. The guide sleeve enables the locking block to directionally slide in the anti-theft shell, the structure is simpler, and the guide column is used for stably locking the movement of the reset spring, so that the locking block is ensured to move more reliably in the anti-theft shell.
The anti-theft device is characterized in that a steel wire inlet and a steel wire outlet are respectively formed in two sides of the anti-theft shell, a steel wire locking mechanism is arranged between the steel wire inlet and the steel wire outlet, an anti-theft steel wire sequentially penetrates through the steel wire inlet, the steel wire locking mechanism and the steel wire outlet, and a steel wire guide groove is formed in the inner wall of the anti-theft shell between the steel wire inlet and the steel wire outlet. The steel wire guiding groove can enable the anti-theft steel wire to smoothly pass through the steel wire locking mechanism along a preset track and pass out from the steel wire outlet.
Two parallel guide ribs are arranged in the anti-theft shell, the steel wire guide groove is formed between the two guide ribs, and the locking mechanism is arranged on one side of the middle of each guide rib.
Main fixed side wings are arranged on two sides of the lower part of the anti-theft shell, and steel wire through holes for anti-theft steel wires to pass through are formed in the main fixed side wings;
the two sides of the anti-theft shell are also provided with auxiliary fixed side wings which are positioned above the main fixed wings; the invention utilizes the matching of the main fixed flank and the auxiliary fixed flank, thereby realizing the close fitting of the rear side of the shoe, and further improving the reliability of the connection of the anti-theft shell and the shoe;
the main fixed side wing and the auxiliary fixed side wing are both arc-shaped with the outer ends bent towards the front side, and the purpose is to match with the appearance of a shoe, so that the whole anti-theft device is surrounded at the rear side of the shoe.
The anti-theft steel wire is provided with a conical chamfer for preventing the anti-theft steel wire from sliding in the opposite direction, and a plastic sleeve is further sleeved on the anti-theft steel wire between the conical chamfer and the fixed end. The anti-theft steel wire can be tightly connected with the heel only by tensioning, and the anti-theft shell can not be taken down maliciously only by the tensioning, but the tensioning of the anti-theft steel wire can easily cause damage to the heel and influence the sale of shoes.
The upper connecting buckle comprises an inserting part, a transition part and a buckle plate, the buckle plate is connected with the upper end of the inserting part through the arc-shaped transition part, the inserting part is inserted into the upper end of the anti-theft shell, an inserting groove is formed in the inserting part, and an inserting mechanism corresponding to the inserting groove is arranged in the anti-theft shell;
and longitudinal convex ribs are arranged on the front sides of the pinch plate and the transition part. If the anti-theft device is required to be taken down in the state that the anti-theft steel wire is locked, the upper connecting buckle is required to be taken down from the upper, and the buckling plate can be only bent.
The anti-theft shell is characterized in that the inserting mechanism comprises inserting protrusions, guide side plates and positioning plates, the guide side plates are symmetrically arranged on two sides of the inserting protrusions, the positioning plates are fixed on the lower sides of the inserting protrusions, an inserting port is formed in the upper end of the anti-theft shell, the inserting portion is downwards inserted into the anti-theft shell through the inserting port, and the inserting portion is buckled at the inserting protrusions through inserting grooves.
The front side of the anti-theft shell is an arc-shaped surface matched with the rear side of the shoe;
the radio frequency alarm unit can adopt any one of the following forms:
1. placing the RFID chip independently;
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 to realize double alarm.
The invention has the following advantages: the anti-theft shell is fixed to the rear side of the heeled shoe through the upper connecting buckle and the anti-theft steel wire, the integrity of the anti-theft steel wire is detected through the wire breakage alarm circuit, when the anti-theft steel wire is maliciously cut, the wire breakage alarm circuit sends an alarm after detecting that the two detection contacts are disconnected, and the sound alarm gives an alarm, so that the problem that the anti-theft shell is stolen after being cut off by the anti-theft steel wire in the prior art is effectively solved. The anti-theft device with the heeled shoes has double anti-theft functions, the first weight is realized by the steel wire locking mechanism and the wireless radio frequency alarm unit, the anti-theft steel wire is locked by the steel wire locking mechanism after passing through the steel wire locking mechanism, so that the anti-theft shell is fixedly connected with the heeled shoes by utilizing the anti-theft steel wire, when a person illegally takes the shoes fixed with the anti-theft device out of a market, the wireless radio frequency alarm unit is detected by the detection device at the door of the market, and then the detection device at the door of the market gives an alarm to prompt a salesperson to try to steal the goods; the second anti-theft is realized by a broken wire alarm circuit, the broken wire alarm circuit between two alarm contacts is powered under normal conditions, the alarm cannot be generated under the condition that current passes through, when a person tries to cut the anti-theft steel wire by adopting a violent means, once the anti-theft steel wire is cut, the two alarm contacts of the broken wire alarm circuit are disconnected, the current is disconnected, the broken wire alarm circuit gives an alarm, the audible alarm gives an alarm sound, and a salesperson is reminded to try to illegally open the anti-theft steel wire.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 3 is an exploded view of example 1 of the present invention.
Fig. 4 is a schematic view of the connection of the anti-theft device to a shoe with a heel.
FIG. 5 is a schematic view of the upper connector clasp.
Fig. 6 is a partially enlarged view of a portion a in fig. 3.
Fig. 7 is a cross-sectional view of the present invention.
Fig. 8 is a partial enlarged view of fig. 7 at B.
Fig. 9 is a schematic structural view of the locking block.
Fig. 10 is a schematic structural view of the front case.
In the figure: 1-anti-theft shell 2-upper connecting buckle 3-anti-theft steel wire 4-main fixed wing 5-auxiliary fixed wing 6-alarm horn hole 7-magnet unlocking surface 8-plastic sleeve 9-circuit board 10-battery 11-RFID chip 12-locking block 13-positioning plate 14-inserting projection 15-guide side plate 16-limiting groove 17-sound alarm 18-locking reset spring 19-guide sleeve 20-guide post 21-guide rib 22-steel wire guide groove 101-rear shell 102-front shell 103-steel wire fixing groove 104-projection fixing groove 105-steel wire inlet 106-steel wire outlet 201-inserting part 202, inserting groove 203-transition part 204, buckle plate 205-convex rib; 301-free end 302-tapered sleeve 303-fixed end 1201-tapered slot.
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 to 4, the anti-theft device with a heel for alarming by self-alarming when a wire is broken comprises an anti-theft shell 1, an anti-theft steel wire 3 and an upper connecting buckle 2, wherein the upper connecting buckle 2 is fixed on the front side of the upper end of the anti-theft shell 1, the upper connecting buckle 2 is used for connecting the heel of a shoe, the anti-theft steel wire 3 is arranged on the lower portion of the anti-theft shell 1, the anti-theft steel wire 3 is used for binding and connecting the heel, and the anti-theft shell 1 is fixed on the rear side of the heel through the anti-theft steel wire 3 and the upper connecting buckle 2.
A steel wire locking mechanism for locking a steel wire is arranged in the anti-theft shell 1, one end of the anti-theft steel wire 3 is a fixed end 303 fixed relative to the anti-theft shell 1, and the other end of the anti-theft steel wire 3 is a free end 301 penetrating through the steel wire locking mechanism; the anti-theft shell 1 is also internally provided with a battery 10, a circuit board 9, an audible alarm 17 and a radio frequency alarm unit, wherein the battery 10 supplies power for the circuit board 9 and the audible alarm 17, the circuit board 9 is provided with two alarm contacts, the circuit board 9 between the two alarm contacts is provided with a broken line alarm circuit, the audible alarm 17 is connected with the broken line alarm circuit, and the fixed end 303 of the anti-theft steel wire 3 is connected with one alarm contact. An alarm horn hole 6 is formed in the anti-theft shell 1, and when the disconnection alarm circuit is triggered, the sound alarm 17 gives an alarm, and then sound is rapidly diffused through the alarm horn hole 6. The radio frequency alarm unit of the embodiment is an RFID chip 11.
The steel wire locking mechanism comprises a locking block 12 for pressing the anti-theft steel wire 3, the locking block 12 is made of conductive metal, and the locking block 12 is connected with another alarm contact through a lead. The free end 301 of the anti-theft steel wire 3 is sliding, so the free end 301 of the anti-theft steel wire 3 can not be directly connected with the alarm contact by a lead, the invention utilizes the lead to connect the locking block 12 with the alarm contact, and utilizes the locking block 12 to realize electric conduction, the structure is simple, the operation is reliable, when the anti-theft steel wire 3 is in a locking state, the locking block 12 is always pressed on the anti-theft steel wire 3, and the anti-theft steel wire 3 can be ensured to be communicated with the two alarm contacts.
Main fixed side wings 4 are arranged on two sides of the lower part of the anti-theft shell 1, and steel wire through holes for the anti-theft steel wires 3 to pass through are formed in the main fixed side wings 4; the two sides of the anti-theft shell 1 are also provided with auxiliary fixed side wings 5, and the auxiliary fixed side wings 5 are positioned above the main fixed wings; the invention utilizes the matching of the main fixed side wing 4 and the auxiliary fixed side wing 5, thereby realizing the close fit of the rear side of the shoes and further improving the reliability of the connection of the anti-theft shell 1 and the shoes; the main fixed side wing 4 and the auxiliary fixed side wing 5 are both arc-shaped with the outer ends bent towards the front side, and the purpose is to match with the appearance of the shoe, so that the whole anti-theft device is surrounded at the rear side of the shoe. The fixed end 303 of the anti-theft steel wire 3 is fixed in the anti-theft shell 1, the free end 301 passes through the anti-theft shell 1 after passing through the two main fixed side wings 4, and the steel wire locking mechanism in the anti-theft shell 1 locks the anti-theft steel wire 3. The heel is fixed in the space formed between the two main fixed flanks 4, the anti-theft steel wire 3 and the anti-theft shell 1. The other side of the anti-theft shell 1 opposite to the main fixed side wing 4 is provided with a raised magnet unlocking surface 7, when unlocking is needed, the magnet unlocking surface 7 is close to an unlocking magnet at a counter, so that unlocking is realized, and the specific unlocking process and the steel wire locking mechanism are described in detail later.
The plastic sleeve 8 is further sleeved on the anti-theft steel wire 3, the anti-theft steel wire 3 can be tightly connected with the heel only by being tensioned, the anti-theft shell 1 can not be taken down maliciously, but the tensioning of the anti-theft steel wire 3 can easily cause damage to the heel and influence sales of shoes, so that the plastic sleeve 8 is sleeved on the anti-theft steel wire 3, the heel can be prevented from being damaged by the anti-theft steel wire 3, and the anti-skid function can be achieved. The plastic sleeve 8 can be made of PU material.
The anti-theft steel wire 3 close to the free end 301 is provided with the plurality of conical chamfers, the conical chamfers of the anti-theft steel wire 3 are utilized to realize the one-way movement of the anti-theft steel wire 3 in a locking state, and the safety is better. The plastic sleeve 8 is sleeved on the anti-theft steel wire 3 between the fixed end 303 and the tapered chamfer. The tapered chamfer in this embodiment is formed by a tapered sleeve 302 sleeved on the anti-theft steel wire 3. The conical sleeves 302 are connected end to end in the direction to form a conical sleeve 302 pipe, the conical sleeves 302 at two ends of the conical sleeve 302 pipe are fixedly connected with the anti-theft steel wire 3, and the conical sleeves 302 are made of conductive metal. The anti-theft steel wire 3 is of a long and thin structure, and the conical chamfer is difficult to process on the anti-theft steel wire 3, so that the steel wire is difficult to slide in one direction. The tapered sleeves 302 at the two ends of the tapered sleeve 302 can be fixedly connected with the anti-theft steel wire 3 in a welding mode, and can also be fixed in a mode of arranging fixing clips at the two ends of the tapered sleeve 302.
The anti-theft shell 1 is formed by butting a front shell 102 and a rear shell 101, and the front side surface of the front shell 102 is an arc-shaped surface matched with the rear side of a shoe, so that the anti-theft shell 1 can be better connected with the shoe. The main fixing wing 4 and the auxiliary fixing wing 5 are fixed on both sides of the front case 102, and the alarm horn hole 6 and the magnet unlocking face 7 are provided on the rear case 101. The inboard of casing 102 is equipped with the fixed slot of a rectangle in the front, has seted up a through-hole on the corresponding procapsid 102 lateral wall in steel wire fixed slot 103, and the stiff end 303 of theftproof steel wire 3 is equipped with a fixed column that the diameter is greater than 3 body diameters of theftproof steel wire, and the fixed column is fixed in steel wire fixed slot 103, and theftproof steel wire 3 is worn out theftproof casing 1 by above-mentioned through-hole, and fixed knot constructs simply, reliably. The fixed column is welded with an alarm contact through a lead.
Referring to fig. 5, the upper connector link 2 includes an insertion part 201, a transition part 203 and a buckle plate 204, the buckle plate 204 is connected with the upper end of the insertion part 201 through the arc-shaped transition part 203, and the buckle plate 204 and the front side of the transition part 203 are provided with longitudinal ribs 205. If the anti-theft device is required to be taken down in the state that the anti-theft steel wire 3 is locked, the upper connecting buckle 2 needs to be taken down from the upper, and the buckle plate 204 can be bent only, in order to prevent the situation, the convex rib 205 is additionally arranged on the front sides of the buckle plate 204 and the transition part 203, and the convex rib 205 can enable the upper connecting buckle 2 to have better bending resistance and improve the reliability. The inserting part 201 is inserted into the upper end of the anti-theft casing 1, the inserting groove 202 is formed in the inserting part 201, and an inserting mechanism corresponding to the inserting groove 202 is arranged in the anti-theft casing 1.
Referring to fig. 6, the inserting mechanism includes an inserting protrusion 14 and a guiding side plate 15, the guiding side plates 15 are symmetrically disposed on two sides of the inserting protrusion 14, an inserting opening is formed at the upper end of the anti-theft housing 1, an inserting portion 201 is inserted into the anti-theft housing 1 from the inserting opening, and the inserting portion 201 is fastened to the inserting protrusion 14 through an inserting groove 202.
The upper portion of the front shell 102 is provided with a protrusion fixing groove 104, the insertion protrusion 14 is arranged in the protrusion fixing groove 104, and the upper end of the insertion protrusion 14 is fixedly connected with the side wall of the protrusion fixing groove 104, so that the insertion protrusion 14 has good elasticity, when the insertion portion 201 is inserted into the insertion protrusion 14, the insertion protrusion 14 can bend downwards, then the insertion portion 201 continues to push downwards, and finally the insertion protrusion 14 is clamped into the insertion groove 202 to form fixing of the insertion portion 201. Meanwhile, in order to prevent the insertion part 201 from being pushed downwards to cause the separation of the insertion groove 202 and the insertion protrusion 14, a positioning plate 13 is arranged at the lower side of the insertion protrusion 14, and the insertion part 201 is contacted with the positioning plate 13 while the insertion groove 202 is clamped with the insertion protrusion 14, so that the fixing of the upper connecting buckle 2 is completed.
The limiting groove 16 is further formed in the inner side of one end, close to the inserting protrusion 14, of the guide side plate 15, the lower end of the inserting portion 201 is inserted downwards along the limiting groove 16, the purpose of the arrangement is to improve the anti-theft performance, the upper connecting buckle 2 is prevented from being separated from the inserting protrusion 14 after being swung maliciously, the inserting port in the upper end of the anti-theft shell 1 can position the inserting portion 201, the upper connecting buckle 2 can be prevented from swinging to a certain extent, but if the upper connecting buckle 2 is swung maliciously by people, the inserting portion 201 can still be separated from the inserting protrusion 14, therefore, the limiting groove 16 is additionally formed in the guide side plate 15, two sides of the inserting portion 201 are clamped into the limiting groove 16, no matter how the upper connecting buckle 2 is swung, the inserting portion 201 cannot be separated from the inserting protrusion 14, and the anti-theft performance of the anti-theft device is improved.
Referring to fig. 7 to 8, the steel wire locking mechanism further includes a locking return spring 18, the locking return spring 18 is disposed at the rear side of the locking block 12, a steel wire groove for the anti-theft steel wire 3 to pass through is disposed at the front side of the locking block 12, and the locking block 12 is made of iron. Locking reset spring 18 promotes latch segment 12 to remove to theftproof steel wire 3 one side and finally compresses tightly theftproof steel wire 3 on the inner wall of theftproof casing 1, realize the locking of theftproof steel wire 3, when needs unblock, the unblock magnet that is close to sales counter department with the corresponding unblock face of theftproof casing 1 and latch segment 12, unblock magnet can attract latch segment 12 to overcome locking reset spring 18's resistance and remove to the direction of keeping away from theftproof steel wire 3, theftproof steel wire 3 just can make a round trip to freely slide this moment, theftproof steel wire 3 just can be separated with the heel this moment, then, just can take off upper of a shoe connector link 2 from the upper of a shoe with the shoes, thereby realize the separation with the shoes.
The inner side of the rear shell 101 is provided with a guide sleeve 19, the locking block 12 is arranged in the guide sleeve 19 in a sliding manner, the inner side of the guide sleeve 19 is also provided with a guide column 20 integrally connected with the rear shell 101, and the locking reset spring 18 is sleeved on the guide column 20. The guide sleeve 19 enables the locking block 12 to slide in the anti-theft housing 1 in an oriented manner, the structure is simpler, and the guide post 20 is used for stabilizing the movement of the locking return spring 18, so that the movement of the locking block 12 in the anti-theft housing 1 is ensured to be more reliable.
Referring to fig. 9, a plurality of tapered grooves 1201 are formed inside the locking groove to be engaged with the tapered sleeve 302. The locking block 12 can be matched with the anti-theft steel wire 3 more stably, and the anti-theft steel wire 3 can be further prevented from being pulled in the opposite direction.
Referring to fig. 10, a wire inlet 105 and a wire outlet 106 are respectively formed at both sides of the front housing 102, the locking block 12 is disposed between the wire inlet 105 and the wire outlet 106, the antitheft wire 3 sequentially passes through the wire inlet 105, the wire locking mechanism and the wire outlet 106, and a wire guide groove 22 is formed on the inner wall of the front housing 102 between the wire inlet 105 and the wire outlet 106. The anti-theft steel wire 3 can smoothly pass through the steel wire locking mechanism along a preset track by utilizing the steel wire guide groove 22 and pass out from the steel wire outlet 106. Two parallel guide ribs 21 are arranged in the anti-theft shell 1, a steel wire guide groove 22 is formed between the two guide ribs 21, and the locking block 12 is arranged on one side of the middle part of each guide rib.
The installation process comprises the following steps:
1. the heel part of the shoe is wrapped by the arc surface of the anti-theft shell 1;
2. inserting the upper connecting buckle 2 into the inner side of the heel part of the shoe from top to bottom;
3. the anti-theft steel wire 3 bypasses the heel and then passes through the anti-theft shell 1;
4. the anti-theft steel wire 3 is directionally tightened, and the steel wire locking mechanism locks the anti-theft steel wire 3 at the current position, so that the anti-theft device is fixedly connected with the heeled shoes.
Example 2
The wireless radio frequency alarm unit in the embodiment is an alarm chip fixed in the shell. Or the wireless radio frequency alarm unit is an alarm magnetic bar coil fixed in the shell.
Example 3
The radio frequency alarm unit in this embodiment is an RFID chip 11 and an alarm chip fixed in a housing, and implements dual-frequency alarm. Or the wireless radio frequency alarm unit is an RFID chip 11 and an alarm magnetic rod coil which are fixed in the shell, so that double alarm is realized.
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, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a broken string is from calling the police and having with shoes anti-theft device which characterized in that: the anti-theft device comprises an anti-theft shell, an anti-theft steel wire and an upper connecting buckle, wherein the upper connecting buckle is fixed on the front side of the upper end of the anti-theft shell, the upper connecting buckle is used for connecting a heel of a shoe, the anti-theft steel wire is arranged on the lower part of the anti-theft shell, the anti-theft steel wire is used for binding and connecting a heel, and the anti-theft shell is fixed on the rear side of the heel through the anti-theft steel wire and the upper connecting buckle;
a steel wire locking mechanism for locking the steel wire is arranged in the anti-theft shell, one end of the anti-theft steel wire is a fixed end which is fixed relative to the anti-theft shell, and the other end of the anti-theft steel wire is a free end which penetrates through the steel wire locking mechanism;
the anti-theft device is characterized in that a battery, a circuit board, an acoustic alarm and a radio frequency alarm unit are also arranged in the anti-theft shell, the battery supplies power for the circuit board and the acoustic alarm, two alarm contacts are arranged on the circuit board, a disconnection alarm circuit is arranged on the circuit board between the two alarm contacts, the acoustic alarm is connected with the disconnection alarm circuit, and the fixed end of the anti-theft steel wire is connected with one alarm contact;
the steel wire locking mechanism comprises a locking block for tightly pressing the anti-theft steel wire, the locking block is made of conductive metal, and the locking block is connected with another alarm contact through a lead;
a steel wire inlet and a steel wire outlet are respectively formed in two sides of the anti-theft shell, a steel wire locking mechanism is arranged between the steel wire inlet and the steel wire outlet, and an anti-theft steel wire sequentially penetrates through the steel wire inlet, the steel wire locking mechanism and the steel wire outlet; a steel wire guide groove is arranged on the inner wall of the anti-theft shell between the steel wire inlet and the steel wire outlet;
the anti-theft steel wire is provided with a conical chamfer for preventing the anti-theft steel wire from sliding in the opposite direction, and a plastic sleeve is further sleeved on the anti-theft steel wire between the conical chamfer and the fixed end.
2. The heel-shoe antitheft device capable of alarming by self-sounding when a wire is broken according to claim 1, wherein: the steel wire locking mechanism also comprises a locking reset spring which is arranged at the rear side of the locking block;
the front side of the locking block is provided with a steel wire groove for the anti-theft steel wire to pass through, and the anti-theft steel wire close to the free end is provided with a plurality of conical chamfers;
the material of latch segment is iron.
3. The device according to claim 2, wherein the device is characterized in that: and a plurality of tapered grooves matched with the tapered reverse edges are formed in the inner sides of the locking grooves.
4. The heel-shoe antitheft device capable of alarming by self-sounding when a wire is broken according to claim 2, wherein: a guide sleeve is arranged on the inner side of the anti-theft shell, and the locking block is arranged in the guide sleeve in a sliding manner;
the inner side of the guide sleeve is also provided with a guide post fixedly connected with the anti-theft shell, and the locking reset spring is sleeved on the guide post.
5. The heel-shoe antitheft device capable of alarming by self-sounding when a wire is broken according to claim 1, wherein: main fixed side wings are arranged on two sides of the lower part of the anti-theft shell, and steel wire through holes for anti-theft steel wires to pass through are formed in the main fixed side wings;
auxiliary fixed side wings are further arranged on the two sides of the anti-theft shell and located above the main fixed wings;
the main fixed side wing and the auxiliary fixed side wing are both in an arc shape with the outer end bent towards the front side.
6. The heel-shoe antitheft device capable of alarming by self-sounding when a wire is broken according to claim 1, wherein: the upper connecting buckle comprises an inserting part, a transition part and a buckle plate, the buckle plate is connected with the upper end of the inserting part through the arc-shaped transition part, the inserting part is inserted into the upper end of the anti-theft shell, an inserting groove is formed in the inserting part, and an inserting mechanism corresponding to the inserting groove is arranged in the anti-theft shell;
and longitudinal convex ribs are arranged on the front sides of the pinch plate and the transition part.
7. The device according to claim 6, wherein the device is characterized in that: the anti-theft shell is characterized in that the inserting mechanism comprises inserting protrusions, guide side plates and positioning plates, the guide side plates are symmetrically arranged on two sides of the inserting protrusions, the positioning plates are fixed on the lower sides of the inserting protrusions, an inserting port is formed in the upper end of the anti-theft shell, the inserting portion is downwards inserted into the anti-theft shell through the inserting port, and the inserting portion is buckled at the inserting protrusions through inserting grooves.
8. The heel-shoe antitheft device capable of alarming by self-sounding when a wire is broken according to claim 1, wherein: the front side of the anti-theft shell is an arc-shaped surface matched with the rear side of the shoe;
the wireless radio frequency alarm unit is an RFID chip and/or an alarm coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936209.2A CN107452173B (en) | 2017-10-10 | 2017-10-10 | Anti-theft device with heel for alarming by self-sounding when broken wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936209.2A CN107452173B (en) | 2017-10-10 | 2017-10-10 | Anti-theft device with heel for alarming by self-sounding when broken wire |
Publications (2)
| Publication Number | Publication Date |
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| CN107452173A CN107452173A (en) | 2017-12-08 |
| CN107452173B true CN107452173B (en) | 2022-12-27 |
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| CN201710936209.2A Active CN107452173B (en) | 2017-10-10 | 2017-10-10 | Anti-theft device with heel for alarming by self-sounding when broken wire |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039115B (en) * | 2018-01-04 | 2023-06-23 | 徐州龙安电子科技有限公司 | Clothes label |
| CN110838214B (en) * | 2019-11-22 | 2021-12-24 | 徐州龙安电子科技有限公司 | Wire breakage alarm device |
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| CN107452173A (en) | 2017-12-08 |
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