CN219906592U

CN219906592U - A flexible line device for commodity theftproof

Info

Publication number: CN219906592U
Application number: CN202321234506.XU
Authority: CN
Inventors: 忻宏
Original assignee: Hangzhou Langhong Zhilian Technology Co ltd
Current assignee: Hangzhou Langhong Zhilian Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-27
Anticipated expiration: 2033-05-22

Abstract

The utility model provides a telescopic wire device for commodity burglary prevention, which comprises a driving wheel, a wire spool and a cable; one end of the cable is fixed to the wire spool, and the other end is operably connected with the commodity; the driving wheel comprises a spring and a first transmission gear, and can drive the first transmission gear to rotate through the spring; the wire spool includes a second transmission gear that can be driven to rotate by the driving wheel to wind the cable to the wire spool. In the utility model, the wire reel and the driving wheel are arranged side by side, are relatively independent and are driven by the driving gear, the thickness of the telescopic wire device can be effectively reduced while the cable accommodating space is lifted, the design space of the wire box is lifted although the surface area of the wire box is increased, and the flat wire box is easier to reduce the visual existence sense on a larger display plane and meets the design requirement of commodity burglary prevention.

Description

A flexible line device for commodity theftproof

Technical Field

The utility model relates to a commodity anti-theft device, in particular to a pull-out box for the commodity anti-theft device.

Background

The display and sales of the commodities can bring good experience to consumers, provide space for value-added services for merchants, and are a very popular sales mode, but the novel sales mode of display and sales brings corresponding risks to consumers while being open to the consumers, for example, the experience and direct contact of the consumers can cause depreciation and damage to the commodities, and in addition, the display and sales mode also can provide a machine for lawbreakers, so that the displayed commodities need to be protected, and accordingly, the commodity anti-theft device is generated.

The commodity anti-theft devices in the prior art not only provide anti-theft protection for electronic products, such as alarms, but also supply power for commodities in some cases, most commodity anti-theft devices are provided with cables for anti-theft or commodity power supply, and for the purpose of table top neatness and cable protection, many anti-theft devices are provided with line concentration devices, namely pull boxes which are commonly known. In the prior art, most of pull boxes are arranged in a vertical direction in order to conform to the extending and contracting direction of a cable, and winding of the cable is also facilitated, a certain space is required for installing the pull boxes, and the occupied space of the commodity anti-theft device is necessarily increased, for example, chinese patent CN217322894U discloses a commodity safety device with a winding mechanism, wherein the pull boxes are hidden in a columnar burglar alarm, but the columnar burglar alarm has no good application prospect in the display and sales industry with higher and higher requirements on the appearance, and for example, chinese patent CN216836625U discloses a commodity safety device with a winding mechanism, which adopts a scroll spring as a driving mode, the volume of the pull boxes can be reduced, but the concentric design of the scroll spring and the winding disc can reduce the depth of a wire groove of the winding disc, so that the cable capacity is reduced; and stacking the spiral spring, circuit board and wire spool together necessarily results in a highly significant pull-out box. In addition, in the prior art, there is a scheme of installing the cable box under the desktop, but the scheme is difficult to solve the problem of inconvenient disassembly and assembly.

Therefore, it is desirable to design a cable box solution that further optimizes the form of the cable box while ensuring the cable capacity.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model provides the telescopic wire device for commodity burglary prevention, which can effectively reduce the height of a pull wire box and ensure the cable capacity.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a telescopic wire device for commodity burglary prevention comprises a driving wheel, a wire spool and a cable;

one end of the cable is fixed to the wire spool, and the other end is operably connected with the commodity;

the drive wheel includes a wind spring and a first drive gear, the drive wheel configured to be rotatable by the wind spring;

the wire spool includes a second transmission gear configured to be capable of being driven to rotate by the driving wheel to wind the wire cable to the wire spool;

the first transmission gear and the second transmission gear are arranged side by side in the horizontal direction and can be engaged with each other to perform the transmission, and correspondingly, the driving wheel and the spool are also arranged side by side.

The retractable cord apparatus is configured to emit a security signal when the cable is broken, including but not limited to, a cable being cut, an artificial malicious disconnection, an artificial unintentional disconnection, etc., in which case the merchandise connected to the retractable cord apparatus is in a disconnected state, i.e., at a high risk of theft, and an alarm needs to be emitted.

Further, the spool includes an electrically conductive slip ring configured to be electrically connected to the cable for maintaining electrical conduction when rotated.

Further, the telescopic wire device further comprises an alarm, the alarm can adopt an alarm device such as a built-in buzzer and the like, electricity can be taken through the telescopic wire device, and the alarm device is used for taking electricity.

Further, the alarm is configured to be electrically connected to the conductive slip ring and configured to sound an alarm when the cable is broken. The alarm can respond to the safety signal or directly receive the on-off signal of the circuit to alarm.

Further, the cable includes at least two core wires electrically isolated from each other, the core wires configured for transmitting power to the commodity and/or detecting a commodity connection status.

Further, the drive wheel includes a barrel configured to define a contraction range of the barrel.

Further, the motor vehicle comprises a shell, wherein the driving wheel and the wire spool are arranged in the shell.

Further, the spring is configured to be fixable at one end to the housing.

Further, the cable includes a connector configured to be connectable to a commodity. The connector is configured to be able to supply power to the article while the article is connected, and in some cases the connector may also form an alarm loop by connecting the article, and a security signal is sent when the connector and article are disconnected.

Further, a guide wheel is included, the guide wheel being configured to be able to change the telescoping direction of the cable.

The beneficial effects of the utility model are as follows:

(1) In the utility model, the wire reel and the driving wheel are arranged side by side, are relatively independent and are driven by the driving gear, the thickness of the telescopic wire device can be effectively reduced while the cable accommodating space is lifted, the design space of the wire box is lifted although the surface area of the wire box is increased, and the flat wire box is easier to reduce the visual existence sense on a larger display plane and meets the design requirement of commodity burglary prevention. Therefore, the utility model is particularly suitable for the scenes with strict requirements on the height of the cable box.

(2) The utility model adopts gear transmission, which not only can ensure the response speed of the driving wheel and the wire spool, but also can ensure the transmission precision.

(3) According to the utility model, through the arrangement of the guide wheels, the problem that the cable of the transversely arranged wire spool is inconsistent in stretching direction and winding direction, and the cable is easy to stretch and jam or take off when retracting is solved.

Drawings

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

Fig. 2 is a schematic view of the present utility model in an open state.

Fig. 3 is a schematic structural view of the spool and the driving wheel of the present utility model.

Fig. 4 is an application scenario diagram of the present utility model.

Reference numerals in the drawings: the wire winding device comprises a driving wheel 1, a wire winding disc 2, a wire cable 3, a connector 4, a core wire 5, a spring 6, a first transmission gear 7, a shell 8, a sound transmission hole 9, a second transmission gear 10, a conductive slip ring 11, a rotating shaft 12, a spring barrel 13, a spring 14, a guide wheel 15, a wire cable outlet 16, an external wire 17, an upper cover 18, a lower cover 19, a spring barrel cover 20, a fixed shaft 21, a commodity 100 and a display surface 200.

Description of the embodiments

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.

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.

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 and data connection at the same time, one side may provide electric energy to the other side or transmit data signals, or both sides may have electric power and data signals, 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, and in a state, the cable may be considered to be in a good state, if there is a part of the inductive loop, and in a good state, and may be considered to be in a good state, if the inductive loop may be in a state, and a part of the cable may be considered in a good state. 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.

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.

In the field of commodity theft prevention, an alarm is also a common type of theft prevention device, and is mainly used for performing alarm operation according to a security signal sent by a sensor/cable, etc., and a typical example of an alarm device is an alarm for sending an alarm prompt tone to prompt staff in a sales site, where a commodity may be in a safe or unsafe state. Generally, such an alarm function of an alarm device may be referred to as an alarm signal, such as an alarm alert tone, and sometimes also an optical signal, referred to as an audible and visual alarm, and the utility model may be regarded as an alarm of the utility model without modification of the alarm itself, an alarm signal, or an alarm-enabled device.

Examples

Reference is made to fig. 1-4.

The utility model provides a flexible line device for commodity theftproof, includes casing 8, is equipped with drive wheel 1 and wire reel 2 in the casing 8, and casing 8 includes upper cover 18 and lower cover 19, upper cover 18 and lower cover 19 lid are closed and are placed drive wheel 1 and wire reel 2 in it. The telescopic wire device further comprises a cable 3, one end of the cable 3 is operatively connected to the commodity 100 through a connector 4, in this embodiment, the commodity 100 is exemplified by a bluetooth speaker, as shown in fig. 1 and 4, the connector 4 is connected to a charging interface of the bluetooth speaker, the cable 3 comprises at least two core wires 5 electrically isolated from each other, when the cable 3 is powered on, a charging circuit of the bluetooth speaker can be formed, meanwhile, the charging circuit can also form an anti-theft alarm circuit of the bluetooth speaker, so that an alarm circuit is formed by a power supply circuit, that is, when the connector 4 is pulled out or the cable 3 is sheared off by unauthorized, and a safety signal is triggered when the power supply circuit is disconnected by unauthorized.

The utility model discloses a charging and preventing integrated alarm circuit and a principle thereof, which are conventional technical means in the field of commodity theft prevention, and the utility model does not improve the charging and preventing integrated alarm circuit. In addition, in the utility model, the cable 3 can only play a role of theft prevention and does not need to supply power, and at the moment, the connector 4 can adopt a mode of combining a back paste and a contact switch and does not need to be connected to a charging interface of the Bluetooth sound box. The back patch is also a common technology in the commodity anti-theft field, and more disclosure is available in the existing patent literature, and the utility model is not repeated here.

Preferably, the telescopic wire device further comprises an alarm, the alarm can adopt an alarm device such as a built-in buzzer, electricity is taken through a circuit board built in the telescopic wire device, or the external alarm device can be connected through an external cable 17 of the telescopic wire device, and when the telescopic wire device sends out a safety signal, the external alarm device is connected through the external cable 17 to alarm. When the alarm device is a built-in buzzer, the casing 8 of the telescopic wire device can be provided with a sound transmission hole 9 for amplifying sound.

As shown in fig. 2 and 3, the driving wheel 1 comprises a spring 6 and a first transmission gear 7, and the driving wheel 1 can drive the first transmission gear 7 to rotate through the spring 6; the wire spool 2 comprises a second transmission gear 10, preferably, the longitudinal section of the wire spool 2 is in an I shape, and the second transmission gear 10 can be directly arranged as a lower chassis of the wire spool 2; the first transmission gear 7 and the second transmission gear 10 are arranged side by side in the horizontal direction and can be engaged with each other, so that when the power spring 6 drives the first transmission gear 7 to rotate, the second transmission gear 10 can be driven to rotate by the driving wheel 1 through engagement with the first transmission gear 7, and the cable 3 is wound around the spool 1. In this structure, the driving wheel 1 and the wire reel 2 are arranged side by side, and the entire retractable wire device may be arranged on the display surface 200 in a flat shape as shown in fig. 4, so that the retractable wire device does not visually add redundancy to the display surface 200, and also functions to support the commodity 100.

Preferably, the central position of the wire spool 2 is provided with a conductive slip ring 11, the conductive slip ring 11 is sleeved on the rotating shaft 12 of the wire spool 2, and the two core wires 5 of the cable 3 can be respectively connected with the conductive slip ring 11 in an electric connection manner, and the other end of the conductive slip ring 11 can be used for connecting an external connection cable 17 to take electricity and the like. It should be noted here that, regarding the conductive slip ring 11, the conductive slip ring with smaller volume disclosed in the prior art can meet the requirements of the present utility model, and the present utility model does not improve the structure and function of the conductive slip ring itself. The conductive slip ring 11 also functions in the present utility model to keep the cable and/or turntable energized while rotating.

Preferably, as shown in fig. 2, said driving wheel 1 comprises a barrel 13, barrel 13 for housing a barrel 14, said driving wheel 1 further comprises a barrel cover 20, barrel cover 20 and barrel 13 together defining barrel 14 therein, and barrel 14 can only retract within the barrel 13. The center part of the spring barrel 13 is provided with a fixed shaft 21, the inner end of the spring 14 is clamped on the outer surface of the fixed shaft 21, the outer end of the spring 14 is freely arranged in the spring barrel 13, the first transmission gear 7 is sleeved on the fixed shaft 21 and can drive the fixed shaft 21 to rotate (integrally fixed with the fixed shaft 21 or connected through a pin shaft), when the commodity 100 is picked up, the cable 3 is pulled out, the winding disc 2 is driven to rotate, meanwhile, the rotating shaft 12 of the winding disc also drives the second transmission gear 10 to synchronously rotate, the second transmission gear 10 drives the first transmission gear 7 to rotate through meshing with the first transmission gear 7, the fixed shaft 21 rotates along with the second transmission gear 10, and conversely, when the commodity 100 is put back, the cable 3 is released, the spring 14 rebounds to release the accumulated force, the fixed shaft 21 rotates to drive the first transmission gear 7 to rotate through meshing, the first transmission gear 7 drives the rotating shaft 12 and the winding disc 2 to rotate, and the cable 3 is wound back onto the winding disc.

Preferably, the telescopic wire device further comprises a guide wheel 15, wherein the guide wheel 15 is arranged at the wire outlet 16 of the shell 8, as shown in fig. 3, the rotating shaft of the guide wheel 15 is parallel to the base of the shell 8, or the guide wheel 15 is a small rotating shaft, the guide wheel 15 is transversely arranged at the wire outlet 16 (can be arranged inside the shell 8 at the wire outlet 16 and hidden in the position shown in fig. 1 and 4), so that when the wire 3 is pulled out, the telescopic direction of the wire is changed from the horizontal direction to the vertical direction in the wire spool 2, and meanwhile, the guide wheel 15 presses the wire entering the shell 8 at the position below the shell 8 and is almost parallel to the wire spool 2, so that the wire of the wire spool 2 can not be wound or unwound due to the position of the wire when the wire 3 is retracted.

Claims

1. A retractable cord apparatus for use in the theft prevention of merchandise, comprising:

the wire spool comprises a driving wheel, a wire spool and a cable;

the retractable cord apparatus is configured to emit a safety signal when the cable is broken.

2. The retractable cord apparatus for theft protection for goods as in claim 1, wherein said spool comprises an electrically conductive slip ring configured for electrical connection with said cable for maintaining electrical conduction when rotated.

3. A retractable cord apparatus for use in the theft prevention of merchandise as recited in claim 2, comprising an alarm.

4. A retractable cord apparatus for theft protection for goods as in claim 3, wherein said alarm is configured to be electrically connected to said conductive slip ring and configured to sound an alarm when said cable is broken.

5. A retractable cord apparatus for theft protection for goods as in claim 1, wherein said cable comprises at least two cords electrically isolated from each other.

6. A telescopic wire device for the theft protection of goods according to claim 1, characterized in that the driving wheel comprises a barrel configured for defining the contraction range of the barrel.

7. The retractable cord apparatus for theft protection for goods as in claim 1, comprising a housing, said drive wheel, spool being disposed within said housing.

8. A retractable cord apparatus for theft protection for goods as in claim 7, wherein said spring is configured to be fixable at one end to the housing.

9. The retractable cord apparatus for theft protection for goods of claim 1, wherein said cable comprises a connector configured to be connectable to a good.

10. A retractable cord apparatus for theft protection for goods as in claim 1, comprising a guide wheel configured to change the direction of retraction of said cable.