Anti-theft device for showcase

Abstract

The utility model discloses an anti-theft device for a showcase, which comprises a base placed on the ground. The glass cover is arranged at the top of the base in a sliding mode, an opening is formed in the top of the base, the diameter of the opening in the top of the base is larger than that of the glass cover, a threaded rod is fixed to the bottom of the glass cover, the bottom of the threaded rod extends into the base, and the bottom of the threaded rod is in spiral connection with the interior of the inner rotating rod; and the bottom of the inner rotating rod rotates in the base through a bearing, the bottom of the inner rotating rod is connected with the output end of a motor, and the motor at the bottom of the inner rotating rod is controlled through remote control. The anti-theft device for the showcase is provided with the threaded rod, the output end of the motor is remotely controlled to rotate to drive the inner rotating rod to rotate, then the inner rotating rod rotates to drive the glass cover to move through the threaded rod, and then the glass cover can be stored in the base, so that the anti-theft device is inconvenient to steal by a thief.

Description

Technical Field

[0001] The utility model relates to the technical field of display cabinet anti-theft, in particular to an anti-theft device for a display cabinet. Background Art

[0002] When some valuable items are displayed to the public, in order to avoid damage caused by direct contact by tourists, the items will be placed in display cabinets so that tourists can only watch them, thus providing good protection for the items;

[0003] Reference publication number CN217907075U discloses a commercial display cabinet crossbeam with an anti-theft function. The anti-theft device can wrap the display cabinet, making it safer at night when the display cabinet is not open for business, and preventing the items in the display cabinet from being stolen. The anti-theft effect is enhanced by setting a camera, and the camera is driven to rotate by a motor, so that the shooting range is more comprehensive. A first locking ring is fixedly installed at one end of the box cover, and a second locking ring is fixedly installed at the top of the box body, so the anti-theft effect is better. However, the following problems still exist:

[0004] In actual use of the above device, although the purpose of locking and anti-theft is achieved by interlocking the first locking ring and the second locking ring, since the lock is exposed, it is easy for a thief to cut it with pliers, and the effect of filming the thief with a camera after the thief is disguised is not good, thereby reducing the anti-theft effect.

[0005] Therefore, we have proposed an anti-theft device for display cabinets that can well solve the above problems. Utility Model Content

[0006] The utility model aims to provide an anti-theft device for a display cabinet, so as to solve the problems in the current market raised by the above-mentioned background technology that the lock is exposed, which is convenient for thieves to cut it with pliers, and the effect of filming the thief through a camera after the thief is disguised is not good, thereby reducing the anti-theft effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-theft device for a display cabinet, comprising a base, the base being placed on the ground;

[0008] Also includes:

[0009] The glass cover slides on the top of the base, the top of the base is provided with an opening, and the opening diameter of the top of the base is larger than the diameter of the glass cover, and a threaded rod is fixed to the bottom of the glass cover, the bottom of the threaded rod extends into the interior of the base, and the bottom of the threaded rod forms a spiral connection with the interior of the inner rotating rod.

[0010] Preferably, the bottom of the inner rotating rod rotates inside the base through a bearing, and the bottom of the inner rotating rod is connected to the output end of the motor, and the motor at the bottom of the inner rotating rod is controlled by remote control.

[0011] Through the above structural arrangement, the inner rotation rod can be rotated.

[0012] Preferably, a pull rope is connected to the side of the glass cover, and the outer end of the pull rope extends into the interior of the base, and the bottom of the pull rope is attached to the top of the pulley, and the outer end of the pulley is fixed to the inner wall of the base.

[0013] Through the above structural arrangement, the resistance of the pull rope when moving can be reduced.

[0014] Preferably, the outer end of the pull rope is wound around a winding roller, and the middle key of the winding roller is connected to the front end of the rotating rod.

[0015] Through the above-mentioned structural arrangement, the movement of the pull rope can drive the rotating rod to rotate.

[0016] Preferably, both ends of the rotating rod rotate inside the base through bearings, and a vortex spring is embedded in the front end of the rotating rod, and the front end of the vortex spring is connected to the inside of the base, and the rear end of the vortex spring is connected to the front end of the winding roller.

[0017] Through the above-mentioned structural arrangement, the vortex spring can be forced to drive the rotating rod to reverse.

[0018] Preferably, the rear end key of the rotating rod is connected to a gear, and the top of the gear is meshed with a sealing plate, the sealing plate slides at the top inside the base, and the sum of the diameters of the two groups of sealing plates is larger than the diameter of the top opening of the base.

[0019] Through the above structural arrangement, the sealing plate can play a sealing role.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the anti-theft device for the display cabinet can hide and seal the items, the glass cover is driven to move by the movement of the threaded rod, and then the glass cover can be hidden inside the base, so that it is inconvenient for thieves to take it out, and the sealing plate can seal the opening at the top of the base by moving the sealing plate, thereby improving the anti-theft effect. The specific contents are as follows:

[0021] A threaded rod is provided, and the output end of the remote control motor is rotated to drive the inner rotating rod to rotate, and then the inner rotating rod rotates to drive the glass cover to move through the threaded rod, and then the glass cover can be stored inside the base, so as to be inconvenient for thieves to steal;

[0022] A sealing plate is provided, and the movement of the glass cover drives the pull rope to move, so that the pull rope drives the sealing plate to move, so that the sealing plate can seal the opening at the top of the base, thereby improving the anti-theft effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the top-sectional structure of the glass cover of the utility model;

[0026] Figure 4 For this utility model Figure 2 A is a schematic diagram of the enlarged structure;

[0027] Figure 5 It is a schematic diagram of the side section structure of the gear of the utility model.

[0028] In the figure: 1. base; 2. glass cover; 3. threaded rod; 4. inner rotating rod; 5. pull rope; 6. pulley; 7. winding roller; 8. rotating rod; 9. vortex spring; 10. gear; 11. sealing plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 5 The utility model provides a technical solution: an anti-theft device for a display cabinet, comprising a base 1, which is placed on the ground; and also comprising: a glass cover 2, which slides on the top of the base 1, and the top of the base 1 is provided with an opening, and the opening diameter of the top of the base 1 is larger than the diameter of the glass cover 2, and a threaded rod 3 is fixed to the bottom of the glass cover 2, the bottom of the threaded rod 3 extends into the interior of the base 1, and the bottom of the threaded rod 3 and the interior of the inner rotating rod 4 form a spiral connection arrangement, the bottom of the inner rotating rod 4 rotates inside the base 1 through a bearing, and the bottom of the inner rotating rod 4 is connected to the output end of the motor, and the motor at the bottom of the inner rotating rod 4 is controlled by remote control, and a pull rope 5 is connected to the side of the glass cover 2, and the outer end of the pull rope 5 extends into the interior of the base 1, and the bottom of the pull rope 5 is attached to the top of the pulley 6, and the outer end of the pulley 6 is fixed to the inner wall of the base 1;

[0031] refer to Figures 1 to 3 The motor is started by remote control through the remote controller, and then the output end of the motor rotates to drive the inner rotating rod 4 to rotate, so that the inner rotating rod 4 rotates to drive the threaded rod 3 to move, and then the threaded rod 3 moves toward the inside of the inner rotating rod 4, so that the threaded rod 3 moves and drives the glass cover 2 to move, and through the engagement of the glass cover 2 and the base 1, the threaded rod 3 can only drive the glass cover 2 to rise and fall, so that the glass cover 2 can be stored in the base 1, and then the glass cover 2 can drive the items to be stored, so as to prevent thieves from stealing;

[0032] The outer end of the pull rope 5 is wound around the winding roller 7, and the middle part of the winding roller 7 is keyed to the front end of the rotating rod 8. The two ends of the rotating rod 8 rotate inside the base 1 through bearings, and the front end of the rotating rod 8 is embedded with a vortex spring 9, and the front end of the vortex spring 9 is connected to the inside of the base 1, and the rear end of the vortex spring 9 is connected to the front end of the winding roller 7. The rear end of the rotating rod 8 is keyed to a gear 10, and the top of the gear 10 is meshed with a sealing plate 11, which slides on the top of the base 1. The sum of the diameters of the two sets of sealing plates 11 is larger than the diameter of the top opening of the base 1.

[0033] refer to Figure 2 , Figure 4 and Figure 5 When the glass cover 2 moves, it will pull the pull rope 5, so that the pull rope 5 can move on the pulley 6, so that the pull rope 5 moves and drives the winding roller 7 to rotate, so that the winding roller 7 rotates and drives the rotating rod 8 to rotate, and then the rotating rod 8 rotates and drives the vortex spring 9 to compress and accumulate force, and then the rotating rod 8 rotates and drives the gear 10 to rotate, so that the gear 10 rotates and drives the sealing plate 11 to move, and then the sealing plate 11 can seal the opening at the top of the base 1, thereby improving the anti-theft performance, and when the glass cover 2 rises, the sealing plate 11 is driven by the force of the vortex spring 9 to move in the opposite direction, and then the sealing plate 11 can be stored inside the base 1, so that the glass cover 2 is convenient to rise.

[0034] Working principle: When using this kind of anti-theft device for display cabinets, first, refer to Figures 1 to 3 , the motor is remotely controlled to start by the remote controller, so that the inner rotating rod 4 rotates to drive the threaded rod 3 to move, so that the threaded rod 3 moves to drive the glass cover 2 to move, and through the engagement of the glass cover 2 and the base 1, the threaded rod 3 can only drive the glass cover 2 to move up and down, so that the glass cover 2 can be stored inside the base 1, and then the glass cover 2 can drive the items to be stored, so as to prevent thieves from stealing;

[0035] refer to Figure 2 , Figure 4 and Figure 5When the glass cover 2 moves, it will pull the pull rope 5, which in turn enables the pull rope 5 to move on the pulley 6, so that the pull rope 5 moves and drives the winding roller 7 to rotate, so that the winding roller 7 rotates and drives the rotating rod 8 to rotate, and then the rotating rod 8 rotates and drives the gear 10 to rotate, so that the gear 10 rotates and drives the sealing plate 11 to move, thereby improving the anti-theft performance, and when the glass cover 2 rises, the sealing plate 11 is driven by the force of the vortex spring 9 to move in the opposite direction, so that the glass cover 2 is easy to rise.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-theft device for a display cabinet, comprising a base (1), wherein the base (1) is placed on the ground; It is characterized in that Also includes: The glass cover (2) slides on the top of the base (1); the top of the base (1) is provided with an opening, and the diameter of the opening at the top of the base (1) is larger than the diameter of the glass cover (2); a threaded rod (3) is fixed at the bottom of the glass cover (2); the bottom of the threaded rod (3) extends into the interior of the base (1), and the bottom of the threaded rod (3) forms a spiral connection with the interior of the inner rotating rod (4).

2. The anti-theft device for a display cabinet according to claim 1, characterized in that: The bottom of the inner rotating rod (4) rotates inside the base (1) via a bearing, and the bottom of the inner rotating rod (4) is connected to the output end of the motor, and the motor at the bottom of the inner rotating rod (4) is controlled by remote control.

3. The anti-theft device for a display cabinet according to claim 1, characterized in that: A pull rope (5) is connected to the side of the glass cover (2), and the outer end of the pull rope (5) extends into the interior of the base (1), and the bottom of the pull rope (5) fits on the top of the pulley (6), and the outer end of the pulley (6) is fixed to the inner wall of the base (1).

4. The anti-theft device for a display cabinet according to claim 3, characterized in that: The outer end of the pull rope (5) is wound on the winding roller (7), and the middle key of the winding roller (7) is connected to the front end of the rotating rod (8).

5. The anti-theft device for a display cabinet according to claim 4, characterized in that: The two ends of the rotating rod (8) rotate inside the base (1) via bearings, and a vortex spring (9) is embedded in the front end of the rotating rod (8), and the front end of the vortex spring (9) is connected to the inside of the base (1), and the rear end of the vortex spring (9) is connected to the front end of the winding roller (7).

6. The anti-theft device for a display cabinet according to claim 5, characterized in that: The rear end of the rotating rod (8) is keyed to a gear (10), and the top of the gear (10) is meshed with a sealing plate (11), the sealing plate (11) slides on the top of the base (1), and the sum of the diameters of the two sets of sealing plates (11) is greater than the diameter of the top opening of the base (1).

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