Anti-theft device for protection box

Abstract

The utility model belongs to the technical field of anti-theft devices, and particularly relates to a protection box anti-theft device. Comprising an upper clamping hook, a sliding block, an elastic lower clamping hook and a lock catch structure, wherein the upper clamping hook is fixed on the cover body; the sliding block is movably arranged on the box body and is provided with a first position and a second position; the elastic lower clamping hook is elastically arranged on the sliding block and is used for being hooked with the upper clamping hook; when the sliding block is located at the first position, the elastic lower clamping hook and the upper clamping hook are preliminarily locked, and when the sliding block is locked at the second position through the lock catch structure, the elastic lower clamping hook and the upper clamping hook are completely locked. According to the utility model, the elastic lower clamping hook and the elastic upper clamping hook on the sliding block are initially locked when the sliding block is located at the first position, at the moment, the cover body and the box body are virtually locked, the cover body can be opened again, and the elastic lower clamping hook and the elastic upper clamping hook on the sliding block are completely locked when the sliding block is located at the second position; therefore, the cover body and the box body are completely locked so as to be prevented from being stolen.

Description

Technical Field

[0001] This utility model belongs to the field of anti-theft device technology, specifically relating to an anti-theft device for a protective box. Background Technology

[0002] To prevent theft, valuables in supermarkets and shopping malls are usually placed in protective boxes with protective tags. A detection system that works with these tags is installed at the supermarket entrance. When customers are selecting items, they are asked to remove them from the protective boxes for inspection. This requires opening the boxes. To prevent internal theft, the protective tags are usually opened by a designated person at a different location. When the salesperson returns to the customer with the opened protective box, the hinged lid often relocks midway, or after the salesperson removes the item. When the customer no longer needs the item, it cannot be put back into the protective box and must be unlocked again, making the process cumbersome. Utility Model Content

[0003] The technical problem to be solved by this utility model is: in order to solve the problem that the anti-theft device of the protective box in the prior art locks directly when the cover of the protective box is placed on the box body, which makes it cumbersome to unlock it again when opening it. Therefore, an anti-theft device for the protective box is provided.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a protective box anti-theft device, the protective box including a box body and a cover covering the box body, wherein the box body and the cover are hinged on one side and the anti-theft device is provided on the other side. The anti-theft device includes an upper hook fixed on the cover, a slider movably disposed on the box body and having a first position and a second position, an elastic lower hook elastically disposed on the slider and used to hook with the upper hook, and a locking structure for limiting the slider to the second position. When the slider is in the first position, the elastic lower hook and the upper hook are initially locked. When the locking structure locks the slider in the second position, the elastic lower hook and the upper hook are completely locked.

[0005] Furthermore, the slider has a sliding cavity for the elastic lower hook to slide in, and a first elastic element is installed in the sliding cavity. One end of the first elastic element abuts against the elastic lower hook, and the other end abuts against the bottom of the sliding cavity.

[0006] Furthermore, the outer surface of the box has a locking box for mounting the slider, the locking box including a box body and a box cover that are snapped together.

[0007] Furthermore, the slider protrudes to form a positioning part, and the inner wall of the box is formed with a positioning groove that cooperates with the positioning part to initially limit the slider to a first position.

[0008] Furthermore, the locking structure includes a through groove on the slider, a locking groove on the housing, a lock cylinder for sequentially passing through the through groove and the locking groove when they are aligned to lock the slider in a second position, and a second elastic member for applying pressure to the lock cylinder.

[0009] Furthermore, the locking structure also includes a lock cover fixed to the slider, the lock cover having an installation cavity for installing the lock cylinder, and one end of the second elastic member abutting against the lock cylinder, and the other end abutting against the bottom of the installation cavity.

[0010] Furthermore, the side of the through groove opposite to the lock groove expands to form an insertion hole for inserting the lock cover, and the lock cover protrudes in the middle to form a limiting part, and an embedding cavity is formed between the slider and the box cover for embedding the limiting part.

[0011] Furthermore, the slider is also equipped with a fixed lower hook, and there are two upper hooks, which are respectively connected to the elastic lower hook and the fixed lower hook.

[0012] Furthermore, an alarm mechanism is provided at the hinge point of the box and the cover.

[0013] Furthermore, the alarm mechanism includes a contact switch mounted on the housing and a pressing part protruding from the cover for pressing the contact switch to generate a signal.

[0014] The beneficial effects of this utility model are: This utility model utilizes the elastic lower hook and upper hook on the slider to initially lock when the slider is in the first position. At this time, the cover and the box are only partially locked, and the cover can be opened again. When the slider is in the second position, the elastic lower hook and upper hook are fully locked to completely lock the cover and the box to prevent theft.

[0015] Other features and advantages of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0018] Figure 2 This is the front view of this utility model;

[0019] Figure 3 yes Figure 2 A cross-sectional view along the AA direction;

[0020] Figure 4 yes Figure 3 A magnified view of part B in the middle section;

[0021] Figure 5 This is a schematic diagram of the slider of this utility model in the first position;

[0022] Figure 6 This is a schematic diagram of the slider of this utility model in the second position;

[0023] Figure 7 This is an exploded view of this utility model;

[0024] Figure 8 This is a schematic diagram of the lock cap structure;

[0025] In the picture:

[0026] 1. Box body; 101. Locking groove;

[0027] 2. Cover; 201. Pressing part;

[0028] 3. Install the hook;

[0029] 4. Slider; 401. Through slot; 402. Insertion hole; 403. Sliding cavity; 404. Positioning part; 405. Slot;

[0030] 5. Flexible lower hook;

[0031] 6. Housing; 601. Positioning groove;

[0032] 7. Box lid;

[0033] 8. Locking cover; 801. Limiting part; 802. Locking strip;

[0034] 9. First elastic element;

[0035] 10. Secure the lower latch;

[0036] 11. Second elastic element;

[0037] 12. Contact switch;

[0038] 13. Lock cylinder. Detailed Implementation

[0039] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention. Therefore, they only show the components, orientations, and references (e.g., up, down, left, right, etc.) relevant to the present invention and are intended only to aid in the description of the features in the drawings. Therefore, the following specific embodiments are not intended to be restrictive, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

[0040] like Figures 1-4As shown, a protective box anti-theft device is provided. The protective box includes a box body 1 and a cover 2 covering the box body 1. The box body 1 and the cover 2 are hinged on one side, and the anti-theft device is provided on the other side. The anti-theft device includes an upper hook 3 fixed on the cover 2, a slider 4 movably disposed on the box body 1 and having a first position and a second position, an elastic lower hook 5 elastically disposed on the slider 4 and used to hook with the upper hook 3, and a locking structure used to limit the slider 4 to the second position.

[0041] like Figure 5 As shown, when the slider 4 is in the first position, the elastic lower hook 5 and upper hook 3 are initially locked, thereby initially locking the box 1 and the cover 2. This is a "false lock". Under a certain external force, the slider 4 can move left and right, allowing the elastic lower hook 5 and upper hook 3 to disengage, at which point the cover 2 can be opened; Figure 6 As shown, when the slider 4 moves to the second position and the locking structure locks the slider 4 in the second position, the elastic lower hook 5 and the upper hook 3 are completely locked. At this time, the box body 1 and the cover body 2 are locked to prevent theft.

[0042] In some examples, the slider 4 forms a sliding cavity 403 for the sliding of the elastic lower hook 5. The sliding cavity 403 can guide the movement of the elastic lower hook 5, and the sliding cavity 403 has an opening for the elastic lower hook 5 to extend out and engage with the upper hook 3. A first elastic element 9 is installed in the sliding cavity 403. One end of the first elastic element 9 abuts against the elastic lower hook 5, and the other end abuts against the bottom of the sliding cavity 403. The first elastic element 9 can be a spring, which is used to push the elastic lower hook 5 to the upper hook 3 so that the two are hooked together.

[0043] In some examples, such as Figure 4 As shown, the box body 1 has a locking box formed on the outside for mounting the slider 4. The slider 4 can slide left and right inside the locking box. The locking box includes a box body 6 and a box cover 7 that are snapped together. The box body 6 and the box cover 7 respectively have a protruding snap-fit ​​part and a recessed snap-fit ​​groove for the snap-fit ​​part to be snapped into. The box body 6 is integrally formed with the box body 1, and the top of the box body 6 is open for the upper hook 3 to enter.

[0044] In some examples, such as Figure 5 and Figure 6As shown, the slider 4 protrudes to form a positioning part 404, and the inner wall of the housing 6 forms a positioning groove 601 that cooperates with the positioning part 404 to initially limit the slider 4 to a first position. The positioning groove 601 has a V-shaped structure, which facilitates its sliding in and out. The inner wall of the housing 6 protrudes to form at least two protrusions, and the positioning groove 601 is formed between the two protrusions. The protrusions also have a V-shaped structure. The positioning groove 601 cooperates with the positioning part 404 to "temporarily" limit the slider 4 to a first position. When a certain external force is applied to the slider 4, the positioning part 404 can disengage from the positioning groove 601. When the positioning part 404 is inserted into the positioning groove 601, it has a locking sensation, which can improve the operator's feel and provide a prompt to the operator. At the same time, the inner wall of the housing 6 protrudes to form a limiting protrusion, which is used to abut against the slider 4 when it reaches the second position to limit it.

[0045] In some examples, such as Figure 4 As shown, the locking structure includes a through groove 401 on the slider 4, a locking groove 101 on the housing 1, a locking cylinder 13 for passing through the through groove 401 and the locking groove 101 in sequence to lock the slider 4 in the second position when they are aligned, and a second elastic member 11 for applying pressure to the locking cylinder 13. When the through groove 401 and the locking groove 101 are misaligned during the sliding process of the slider 4, the slider 4 blocks the opening of the locking groove 101, and the locking cylinder 13 cannot enter the locking groove 101. At this time, the second elastic member 11 is in a compressed state. When the through groove 401 and the locking groove 101 are aligned, they are connected, and the locking cylinder 13 enters the locking groove 101 from the through groove 401 under the elastic force of the second elastic member 11 to lock the slider 4 in the second position.

[0046] In some examples, such as Figure 4 As shown, the locking structure also includes a lock cover 8 fixed to the slider 4. One end of the lock cover 8, away from the slider 4, extends out of the cover 7 to form an operating part. By pushing and pulling the operating part, the lock cover 8 can be moved left and right, thereby moving the slider 4 left and right. The lock cover 8 has an installation cavity for the lock cylinder 13. One end of the second elastic member 11 abuts against the lock cylinder 13, and the other end abuts against the bottom of the installation cavity. Under the elastic force of the second elastic member 11, the lock cylinder 13 can enter the lock groove 101.

[0047] In some examples, such as Figure 4 , Figure 7 and Figure 8 As shown, the through groove 401 expands to form an insertion hole 402 for inserting the lock cover 8 on the side opposite to the lock groove 101. The insertion hole 402 can limit the lock cover 8 left and right, and the lock cover 8 has a limiting part 801 protruding from the middle. An embedding cavity is formed between the slider 4 and the box cover 7 for the limiting part 801 to be embedded. The embedding cavity can limit the lock cover 8 front and back and prevent it from falling out of the lock box. At the same time, a retaining strip 802 protrudes from the limiting part 801, and a retaining groove 405 is formed on the slider 4 for the retaining strip 802 to be inserted.

[0048] In some examples, the slider 4 is also equipped with a fixed lower hook 10, and there are two upper hooks 3. The two upper hooks 3 are respectively hooked to the elastic lower hook 5 and the fixed lower hook 10, so that two hooking points can be formed between the cover 2 and the box 1, thereby improving the locking effect of the anti-theft device.

[0049] In some examples, the hinge point of the box body 1 and the cover body 2 is equipped with an alarm mechanism. When the protective box is stolen and forcibly opened, the alarm mechanism can sound a warning.

[0050] In some examples, the alarm mechanism includes a contact switch 12 mounted on the housing 1 and a pressing part 201 protruding from the cover 2 for pressing the contact switch 12 to generate a signal. When the cover 2 is opened, the pressing part 201 presses down to apply pressure to the contact switch 12, the circuit is turned on, and the buzzer sounds to provide an alarm.

[0051] The above description, based on the preferred embodiments of this utility model, provides inspiration. Those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification but must be determined according to the claims.

Claims

1. A protective box anti-theft device, the protective box comprising a box body (1) and a cover (2) covering the box body (1), wherein the box body (1) and the cover (2) are hinged on one side, and the anti-theft device is provided on the other side, characterized in that: The anti-theft device includes an upper hook (3) fixed on the cover (2), a slider (4) movably disposed on the box (1) and having a first position and a second position, an elastic lower hook (5) elastically disposed on the slider (4) and used to hook with the upper hook (3), and a locking structure for limiting the slider (4) to the second position. When the slider (4) is in the first position, the elastic lower hook (5) and the upper hook (3) are initially locked. When the locking structure locks the slider (4) in the second position, the elastic lower hook (5) and the upper hook (3) are completely locked.

2. The anti-theft device for a protective box according to claim 1, characterized in that: The slider (4) forms a sliding cavity (403) for the elastic lower hook (5) to slide, and a first elastic element (9) is installed in the sliding cavity (403). One end of the first elastic element (9) abuts against the elastic lower hook (5), and the other end abuts against the bottom of the sliding cavity (403).

3. The anti-theft device for a protective box according to claim 1, characterized in that: The box body (1) has a locking box formed on the outside for mounting the slider (4), the locking box including a box body (6) and a box cover (7) that are snapped together.

4. The anti-theft device for a protective box according to claim 3, characterized in that: The slider (4) has a protruding positioning part (404), and the inner wall of the box (6) has a positioning groove (601) that cooperates with the positioning part (404) to initially limit the slider (4) to a first position.

5. The anti-theft device for a protective box according to claim 3, characterized in that: The locking structure includes a through groove (401) on the slider (4), a locking groove (101) on the housing (1), a lock cylinder (13) for locking the slider (4) in a second position by passing through the through groove (401) and the locking groove (101) in turn when they are facing each other, and a second elastic element (11) for applying pressure to the lock cylinder (13).

6. The anti-theft device for a protective box according to claim 5, characterized in that: The latch structure also includes a lock cover (8) fixed to the slider (4). The lock cover (8) has an installation cavity for the lock cylinder (13) to be installed. One end of the second elastic member (11) abuts against the lock cylinder (13), and the other end abuts against the bottom of the installation cavity.

7. The anti-theft device for a protective box according to claim 6, characterized in that: The through groove (401) expands on the side away from the lock groove (101) to form an insertion hole (402) for inserting the lock cover (8), and the lock cover (8) protrudes in the middle to form a limiting part (801). An embedding cavity for the limiting part (801) to be embedded is formed between the slider (4) and the box cover (7).

8. The anti-theft device for a protective box according to claim 1, characterized in that: The slider (4) is also equipped with a fixed lower hook (10), and there are two upper hooks (3). The two upper hooks (3) are respectively hooked to the elastic lower hook (5) and the fixed lower hook (10).

9. The anti-theft device for a protective box according to claim 1, characterized in that: An alarm mechanism is provided at the hinge point of the box (1) and the cover (2).

10. The anti-theft device for a protective box according to claim 9, characterized in that: The alarm mechanism includes a contact switch (12) mounted on the housing (1) and a pressing part (201) protruding from the cover (2) for pressing the contact switch (12) to generate a signal.

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