CN220913720U - Commodity anti-theft sensor with telescopic wire function - Google Patents

Abstract

The utility model provides a commodity anti-theft sensor with a telescopic wire function, which comprises a base, a wire winder and a first cable, wherein the base is configured to be operably installed on a supporting surface; the merchandise theft prevention sensor is configured to be capable of emitting a security signal when the first cable is cut. The coil winder is designed to be flat, the simple design of the commodity anti-theft device provides possibility, and the coil winder with a small structure can accommodate a thick cable, so that the commodity anti-theft device can supply power to commodities or an anti-theft device and can transmit signals, and the anti-theft device with the small structure is integrated with the anti-theft device.

Description

Commodity anti-theft sensor with telescopic wire function

Technical Field

The utility model relates to the field of commodity theft prevention, in particular to a commodity burglar alarm with a line concentration device.

Background

The electronic products are displayed in a sales place or a temporary sales promotion place in a display mode, so that consumers or potential consumers can try out the electronic products to improve the product experience, the electronic products become a common sales mode of electronic product sales, and most electronic product manufacturers and sellers adopt the mode.

The commodity anti-theft display device has the advantages that good experience can be brought to consumers, a space for value-added service is provided for merchants, the commodity anti-theft display device is a very popular sales mode, the risk of displaying sales is very high, the consumer experience and direct contact can cause depreciation and damage to commodities, and an lawbreaker can be ridden by the consumers, so that the displayed commodities are required to be protected, and accordingly the commodity anti-theft device is produced.

The prior art commodity anti-theft devices not only provide anti-theft protection for electronic products, such as alarms, but also sometimes supply power to the commodities, most commodity anti-theft devices are provided with cables for anti-theft devices or supplying power to the commodities, and in the presence of the cables, line concentration devices are usually configured for keeping a tabletop clean and protecting the cables, but the existing line concentration devices are usually large in size, such as column-shaped anti-theft devices are required for providing installation space of a line concentration device, but are not popular in the market under the current requirements of pursuing the attractiveness of the tabletop. If the hub is small, there is no way to accommodate the thicker cable that can supply power. In addition, the reel usually needs to be vertically arranged, so that the wire outlet direction of the cable is basically consistent with the wire outlet direction of the reel when the cable is pulled out of the reel, and the wire outlet of the cable is smooth, but the vertically arranged reel necessarily has a certain height, and the visual effect occupied on the supporting surface is large.

It is therefore desirable to design a merchandise surveillance device that accommodates a retractable cord device and is small in size.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a commodity anti-theft sensor with a telescopic wire function, which can overcome the problems in the background technology.

For this purpose, the utility model provides the following technical scheme:

An anti-theft commodity sensor with a telescopic wire function comprises a base, a winder and a first cable,

The base is configured to be operably mounted to a support surface,

The reel is arranged in the base and is arranged horizontally with the supporting surface, one end of the first cable is fixed to the reel, the other end of the first cable is operably connected with the commodity, the first cable is configured to be capable of transmitting power to the commodity and detecting the commodity connection state, and the first cable is further configured to be capable of being stretched or wound to the reel along with the picking up or putting back of the commodity;

the merchandise theft prevention sensor is configured to be capable of emitting a security signal when the first cable is sheared.

Further, a guiding structure is included, the guiding structure including a guiding shaft and a guiding wheel, the guiding structure being configured to be able to change a routing direction of the first cable.

Further, the first cable includes at least two cores electrically isolated from each other.

Further, the base includes a mounting member, and the reel is configured to be detachably coupled with the mounting member.

Further, the winder includes a spring configured to be able to drive the winder to rotate by its elastic force.

Further, the first cable includes a charging head configured to operatively connect to the merchandise charging interface.

Further, the base includes a support coupling for supporting the charging head and/or the commodity.

Further, the base includes an adhesive configured for adhesive attachment to a support surface.

Further, a second cable is included, the second cable being configured to be electrically connectable with the first cable.

Further, a connector is included that is configured to connect to the second cable and for connecting the sensor to the alarm.

The beneficial effects of the utility model are as follows: the utility model provides a commodity anti-theft device with a flat type winder structure, wherein the winder is designed to be flat, the simple design of the commodity anti-theft device provides possibility, and the winder with a small structure can accommodate a thick cable, so that the commodity anti-theft device can supply power to commodities or an anti-theft device and can transmit signals, and the charging and prevention integration of the anti-theft device with the small structure is realized. In addition, the utility model also relates to a wire structure which is used for guiding and changing the stretching direction of the pulled-out cable, so that the problem of unsmooth cable stretching caused by flat laying of the reel is avoided.

Drawings

Fig. 1 is an overall configuration diagram of embodiment 1 of the present utility model.

Fig. 2 is an exploded view of embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram of the combination of example 1 of the present utility model and a commodity.

Fig. 4 is a schematic view of the bottom structure of embodiment 1 of the present utility model.

Fig. 5 is an application scenario diagram of embodiment 1 of the present utility model.

Fig. 6 is an exploded view of the main structure of embodiment 2 of the present utility model.

Fig. 7 is another exploded view of embodiment 2 of the present utility model.

Fig. 8 is a partial structural view of the first cable and the conductive slip ring in embodiment 2 of the present utility model.

Fig. 9 is an open state diagram of the upper cover in embodiment 2 of the present utility model.

Fig. 10 is a schematic diagram of the combination of example 2 of the present utility model and a commodity.

Reference numerals in the drawings: the device comprises a rotary table 1, a shell 2, a first cable 3, a wire spool 4, a spring 5, a conductive slip ring 6, a movable sleeve 7, a charging head 8, a guide structure 9, a first combination part 10, a base 11, a second combination part 12, a second cable 13, a winding groove 14, a core wire 15, a spring barrel 16, a spring barrel cover plate 17, a wiring groove 18, a guide wheel 19, a connecting clamping groove 20, a convex ring 90, a base 100, a commodity 100, a rib 101, a plug-in port 102, a connector 131, a winder 200, a supporting surface 300, a commodity 400, a guide rotating shaft 500, a guide wheel 600, a mounting member 700, a support combination part 800, an adhesive 900 and an alarm 901.

Detailed Description

The following detailed description of the utility model is provided in connection with the accompanying drawings, and it should be noted that the examples are merely illustrative of the utility model and should not be construed as limiting the utility model.

First, some technical terms of the present utility model will be described.

Safety signal

The security signal is also a relatively well known concept in the field of commodity theft prevention, when the commodity is in a non-security state, certain components in the commodity theft prevention system send out the security signal, the security signal can be an induction signal or an electrical signal or a digital signal, the signal can be triggered by various modes/events in the prior art, for example, the event can be a physical connection disconnection or a circuit disconnection, the triggering mode can be the sensing component sensing, the induction signal is transmitted to corresponding equipment, the corresponding equipment can send out the security signal according to the most basic logic judgment (yes/no) after receiving the induction signal, in the field of commodity theft prevention, the common triggering mode can be disconnection, disconnection of charging connection, disconnection from a certain installed component or damage in a certain set mode, the generation of the security signal can be triggered, and the generation of the security signal is conventional in the field.

Cable with improved heat dissipation

The cable is a concept of connection and/or transmission, in some cases, the cable may be a purely mechanical connection, two objects are connected, in some cases, power transmission (strong electricity) may be provided in the cable, a power connection is established for two sides of the cable connection, one side may provide electric energy to the other side, or both sides may have electric power mutual transmission, in some cases, data transmission (including weak electricity) may be provided in the cable, both sides of the cable connection may provide electric energy or data signals for the other side, or both sides may have electric power and data signals for mutual transmission, in some cases, a power transmission line in the cable may be used as an inductive loop, i.e. a judging factor for detecting whether the cable is on or off, for example, when there is electric power transmission in the cable, the inductive loop may be considered to be clear, and in a normal connection state, in this case, if the cable connection is a commodity and an anti-theft host, in some cases, the cable may be considered to be in a safe state, or when there is an inductive loop, in a state, and in some cases, the cable may also be considered to be in a state of being in a good state, and in a state, the cable may be considered to be in a good state, if the inductive loop may be in a part, and in a good state, and a good state, may be considered in a good state, if the inductive loop may be in a part, and a good state, in a good state, may be in a good state, and a good state, may be in a good state, may be connected. In fact, the function of the conductive cable with signal function by conducting the circuit is also a common technical means in the field of theft prevention, the utility model does not relate to the improvement of the structure and function of the cable itself, and the utility model only provides some application occasions of the cable for commodity theft prevention.

In the prior art of commodity theft prevention, some cables special for theft prevention, namely cables capable of transmitting theft prevention signals or safety signals, are usually provided with a data wire special for transmitting signals, usually a weak current wire, besides two wires used for forming a conductive loop, and the signals and the conductive loop can be independent.

Connector with a plurality of connectors

In the present utility model, the connector is used for connecting merchandise or other devices, and the connector may be provided with a charging function, for example, in the form of a charging interface, or may be connected in a pure structure, or may be connected to a cable, or may be in a separate form, or may be part of an induction circuit on the sensor when the connector is connected to the cable.

Sensor for detecting a position of a body

The sensor is usually used for sensing a certain signal or sensing a certain state, and the sensor is special for commodity theft prevention, can be a sensing circuit, can be a device with a sensing element or can be an element with a sensing function integrated on a connector, and has the function of sensing a signal and judging whether the displayed commodity is in a safe state or not through the signal. The sensor is a widely used prior art, the sensor may be a sensor with sensing function, the sensor may be a device with structure, the device can sense or transmit some signals, such as the above-mentioned safety signal, the sensor may be a device with specific structure, and the sensor may have the function of sending out a safety signal or an alarm signal. The term anti-theft sensor in the sense of the present utility model is understood to mean an anti-theft structure for goods comprising a sensor element.

Example 1

Reference is made to fig. 1-5.

An article anti-theft sensor with a telescopic wire function comprises a base 100, a winder 200 and a first cable 3, wherein the base 100 is configured to be operably mounted on a supporting surface 300, and the winder 200 is arranged in the base 100 and is arranged on the supporting surface 300 in a flat manner as shown in fig. 4. One end of the first cable 3 is fixed to the reel 200, and the other end is operatively connected to a charging interface of the commodity 400 through the charging head 8, in this embodiment, the commodity 400 is exemplified by a mobile phone, so that when the first cable 3 is energized, the first cable 3 can transmit electric power to the commodity 400, and at the same time, the charging loop can be used as an alarm circuit for detecting the connection state of the charging head 8 and the commodity, and the commodity anti-theft sensor can send a safety signal when the first cable 3 is sheared and/or the charging head 8 is illegally disconnected. It should be noted here that the above-mentioned alarm working principle of the sensor is a conventional technical means in the field of commodity theft prevention, and the utility model does not improve this, and what the utility model is to protect is a specific structure of the sensor including the reel.

The first cable 3 can be stretched as the article 400 is picked up, or can be wound back into the reel 200 as the article 400 is put back.

The commodity anti-theft sensor further comprises a guide structure 9, the guide structure comprises a guide rotating shaft 500 and guide wheels 600, as shown in fig. 1-2, the guide structure 9 is at least partially exposed out of the base 100, the guide rotating shaft 500 is parallel to the supporting surface 300, the guide wheels 600 are arranged at two ends of the guide rotating shaft 500 in pairs, when the first cable 3 stretches out of the base 100, the first cable 3 stretches out from the lower side of the guide rotating shaft 500 and is limited by the two guide wheels 600, so that the first cable 3 wound in the parallel direction on the flat reel 200 can be changed into a vertical or nearly vertical wiring direction when stretching and retracting, the user can conveniently stretch the cable, and the retraction of the guide cable is facilitated.

Preferably, the base 100 includes a mounting member 700, and as shown in fig. 2, the mounting member 700 may be a limit structure such as a mounting groove provided in the base 100, and the reel 200 is configured to be detachably coupled with the mounting member 700, for example, to be snapped into the mounting groove.

Preferably, a spring may be provided in the reel 200, and the spring is configured to be capable of driving the reel 200 to rotate by its elastic force, to wind up when the first cable 3 is pulled out, and to rotate to wind when the commodity is put back.

Preferably, as shown in fig. 1, 3 and 5, the base 100 includes a support coupling portion 800, and the support coupling portion 800 is used to support the charging head 8 and/or the commodity 400.

Preferably, as shown in fig. 4, the bottom of the base 100 may be provided with an adhesive 900 configured for adhesively securing the entire anti-theft sensor to the support surface 300.

Preferably, the anti-theft sensor for commodities further comprises a second cable 13, the second cable 13 is configured to be electrically connected with the first cable 3, specifically, the first cable 3 and the second cable 13 can be electrically connected in the turntable, the two can be directly connected or can be switched through other electric elements, the electric connection between the cables can adopt the scheme in the prior art, the second cable 13 is fixed and usually does not need to be stretched, and if the second cable 13 can also be stretched in some cases, the second cable 13 can share a cable box with the first cable 3 or use the cable box alone.

Preferably, a connector 131 may be provided at an end of the second cable 13 for connecting the commodity anti-theft sensor to the alarm device 901, sending a security signal to the alarm device 901, or receiving electricity through the alarm device; in some other ways, the second cable 13 may also be directly connected to an external power source through the connector 131.

Example 2

Reference is made to fig. 6-10.

The present embodiment provides a structure of a specific reel 200 that can be used in the present utility model, in which the reel 200 includes a turntable 1 and a housing 2, the first cable 3 can be wound on the turntable 1, the turntable 1 includes a wire spool 4, a spring 5, a conductive slip ring 6, and a movable sleeve 7, the conductive slip ring 6 is disposed at a central position of the wire spool 4 and configured to conduct a circuit; due to the conductive slip ring 6, the rotation of the wire spool 4 does not affect the on-off of the circuit.

The inner end of the spring 5 is fixed on the turntable 1, and the other end is fixedly connected with a movable sleeve 7 which is configured to drive the wire spool to rotate when the first cable is retracted; the spring 5 is mainly used for providing driving force for rotation of the wire spool when the first cable 3 is retracted, the wire spool 4 rotates along with the first cable when the first cable is pulled out, the spring 5 is tensioned to store force, the spring 5 is released when the first cable 3 is retracted, and meanwhile the force is released to drive the wire spool 4 to rotate, so that the retracted first cable 3 is collected on the wire spool 4.

One end of the first cable 3 is fixedly connected to the inside of the spool 4 and is electrically connected with the conductive slip ring 6, and the other end is operatively connected with the commodity 400 through the charging head 8.

The movable sleeve 7 is configured to be rotatable within the space defined by the turntable 1, specifically, a central portion of the turntable 1 is provided with a collar 90 (which may also be a through groove) for defining the movable sleeve 7, and the rotation may be a relative rotation, for example, when the turntable rotates, the movable sleeve 7 is not moved, so that the movable sleeve 7 may serve as a rotation axis of the turntable 1, and when the housing 2 is covered, the entire structure is limited in the longitudinal direction, and the movable sleeve 7 can only rotate within the range of the collar 9 and cannot escape from the range defined by the turntable 1.

The movable sleeve 7 is provided with a space in the center, the conductive slip ring 6 can be placed in the space, the upper end of the conductive slip ring 6 can be connected with the second cable 13, and the second cable 13 can be used for connecting with other devices such as an external power supply or an anti-theft host computer and is used for connecting with the first cable 3.

The movable sleeve 7 is further provided with a first coupling portion 10, and the first coupling portion 10 may include ribs 101 provided on an inner wall of the movable sleeve 7 as shown in fig. 8, for coupling with the housing 2.

The housing 2 is provided with a second coupling part 12, the second coupling part 12 may be configured as a plug-in port 102 as shown in fig. 8, and is configured to be operatively coupled with the first coupling part 10 of the movable sleeve 8, that is, when the housing 2 is covered, the first coupling part 10 and the second coupling part 12 are sleeved with each other, and the rotation of the movable sleeve 8 is limited, so that the turntable 1 can be limited at a relatively determined position in the housing 2 by the movable sleeve 7, and the housing 2 is further provided with a base 11 for limiting the turntable 1, the base 11 has a shape capable of accommodating the turntable 1, the housing 2 can be directly covered on the turntable 1 and mounted on a supporting surface, and the whole telescopic wire device can be mounted, by which the turntable 1 can be connected to the housing 2, and after the mounting is completed, if the maintenance or replacement is required, the telescopic wire device is not required to be removed from the tabletop, and only the housing 2 is required to be opened.

Preferably, when the turntable 1 and the housing 2 are mounted, the housing 2 can form a space defining the first cable 3 with the spool 4 for accommodating the first cable 3. And in particular, the spool 4 comprises a winding slot 14, the first cable 3 being configured to be able to be wound partially or totally inside said winding slot 14.

Preferably, the diameter of the first cable 3 may be set to D, the slot width of the wire slot 14 may be set to D, and the size range D <2*d of the slot width D of the wire slot 14 is limited, so that the first cable 3 may be wound in the wire slot 14 in a single row, thereby realizing that the whole telescopic wire device has the minimum thickness.

Preferably, as shown in fig. 7, the first cable 3 includes at least two core wires 15 electrically isolated from each other, the core wires 15 are configured to transmit electric power to the commodity and/or detect the connection state of the commodity, the core wires 15 may be used to form the alarm circuit described in this embodiment, the core wires 15 are respectively connected to the appropriate positions of the conductive slip rings 6, the conductive slip rings 6 mainly play a role of uninterrupted power in the rotating state, the small conductive slip rings mentioned in the prior art can meet the requirements of the present utility model, and the present utility model does not improve the structure and the function of the conductive slip rings themselves.

Preferably, the outer surface of the spool 4 is provided with a barrel 16, the barrel 16 being adapted to define the extension and retraction of the barrel therein. Preferably, a spring barrel cover 17 is also arranged on the wire spool 4 and used for limiting the spring 4 to avoid the spring from being ejected. As shown in fig. 6, the outer wall of the movable sleeve 7 is provided with a connecting clamping groove 20 of the spring 5, the inner end of the spring 5 can be clamped in the connecting clamping groove 20, the outer end of the spring 5 is limited in the spring chamber 16, when the first cable 3 is drawn out, the rotary table 1 rotates, the spring chamber 16 rotates along with the wire spool 4, the spring 5 is wound up, when the commodity 100 is put back, the first cable 3 is retracted, the spring 5 is released, the wire spool 4 is driven to rotate, and therefore the first cable 3 is wound back onto the wire spool 4 while being retracted.

Preferably, a wiring groove 18 may be disposed in the housing 2 and configured to accommodate the expansion and contraction of the second cable 13, and the first cable may also be disposed as an expansion and contraction entrance of the first cable.

For other implementations of this example, reference may be made to example 1.

Claims (10)

1. An article surveillance sensor with flex line functionality, comprising:

a base, a reel, a first cable,

The base is configured to be operably mounted to a support surface,

The wire winder is arranged in the base and is horizontally arranged with the supporting surface, one end of the first cable is fixed to the wire winder, the other end of the first cable is operatively connected with a commodity through the charging head, the first cable is configured to be capable of transmitting power to the commodity and detecting the commodity connection state, the first cable is capable of transmitting power to the commodity, meanwhile, a charging loop for transmitting power to the commodity is used as an alarm circuit for detecting the connection state of the charging head and the commodity, and the first cable is further configured to be capable of being stretched or wound to the wire winder along with the picking up or putting back of the commodity;

the base includes a mounting member, the mounting member being a mounting slot provided in the base, the reel being configured to be detachably coupled to the mounting member;

the merchandise theft prevention sensor is configured to be capable of emitting a security signal when the first cable is sheared.

2. The merchandise theft sensor with flex cable function of claim 1, comprising a guide structure comprising a guide shaft and a guide wheel, the guide structure configured to change a routing direction of the first cable.

3. The merchandise anti-theft sensor with flex cable function of claim 1 wherein the first cable comprises at least two core wires electrically isolated from each other.

4. The merchandise theft sensor with flex cable function of claim 1, wherein the base comprises a mounting member and the reel is configured to be removably coupled to the mounting member.

5. The merchandise anti-theft sensor with a function of telescoping wire according to claim 1, wherein the wire winder comprises a spring configured to be capable of driving the wire winder to rotate by its elastic force.

6. The merchandise theft prevention sensor with flex cable function of claim 1, wherein the first cable comprises a charging head configured to operably connect to the merchandise charging interface.

7. The merchandise anti-theft sensor with a flex cable function of claim 6, wherein the base comprises a support coupling location for supporting the charging head and/or the merchandise.

8. The merchandise anti-theft sensor with flex cable function of claim 1, wherein the base comprises an adhesive configured for adhesively securing to a support surface.

9. The merchandise theft sensor with flex cable function of claim 1, comprising a second cable configured to be electrically connectable to the first cable.

10. The merchandise anti-theft sensor with flex cable function of claim 9, comprising a connector configured to connect to a second cable and for connecting the sensor to an alarm.