Food bag protection clamp

Abstract

The utility model relates to a commodity anti-theft device, and aims to provide a food bag protection clamp which has the characteristics of convenience in use and good anti-theft effect. According to the technical scheme, the food bag protection clamp is characterized by comprising a main clamp body, a movable part, a rotating part, a lock cylinder structure and a coil, wherein a clamp opening is formed between the movable part and the main clamp body to fix a food bag; the rotating part is used for extruding the movable part to close the clamp opening;

Description

Technical Field

[0001] The utility model relates to an anti-theft device for commodities, in particular to a food bag protection clip. Background Art

[0002] At present, the anti-theft labels widely used in retail places such as shopping malls and supermarkets can be used to protect various types of commodities from theft and avoid property losses of operators. These anti-theft labels are usually in the form of cover structures, mesh bag structures, nail cap structures or padlock structures, and are suitable for protecting products such as beverages, clothing, luggage, milk powder, etc. with a certain volume. However, for common snack products in supermarkets, since their outer packaging is not only thin but also smooth on the surface and lacks reliable installation parts, it is difficult to install existing anti-theft labels, so there is a lack of effective protection means to prevent product theft, which needs to be further solved. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the above background art and provide a food bag protection clip, which should have the characteristics of convenient use and good anti-theft effect.

[0004] The technical solution of the utility model is as follows:

[0005] A food bag protection clip, characterized in that: it includes a main clip body, a movable part that forms a clip opening with the main clip body to fix the food bag, a rotating part for squeezing the movable part to close the clip opening, a lock core structure for locking the rotating part to keep the clip opening closed, and a coil.

[0006] The rotating part is rotatably positioned on the main clip body through a connecting shaft; a cam for squeezing the movable part is provided on the rotating part.

[0007] A lock port is provided on the main clip body; a lock hook is provided on the rotating part; the lock core structure can catch the lock hook inserted into the lock port.

[0008] A torsion spring for pushing the lock hook out of the lock port is provided on the connecting shaft.

[0009] A chute is provided on the movable part, and a pull rod passing through the chute is provided on the rotating part.

[0010] The movable part is slidably positioned on the main clip body through a guiding structure.

[0011] The lock core structure includes a spring, a stud and a lock cap.

[0012] A support platform is provided on the main clip body; the clip opening is formed between the support platform and the movable part; metal abrasive plates are provided on the clamping surfaces of the support platform and the movable part.

[0013] A hanging hole is provided on the main clip body.

[0014] The main clamp body is provided with an RFID tag.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model is used to protect thin, light and smooth food bag products. When the rotating part is pressed, the clamping opening will tightly bite the food bag and enter the locked state, and a special unlocking tool is required to open it. It has the characteristics of convenient use, reliable operation, long service life and good anti-theft effect, effectively solving the defect that the existing anti-theft tags cannot be installed on food bags, meeting the anti-theft protection requirements of such products, and ensuring product safety. Description of the Drawings

[0017] Figure 1 It is a three-dimensional structural schematic diagram (locked state) of the utility model.

[0018] Figure 2 It is a three-dimensional structural schematic diagram (unlocked state) of the utility model.

[0019] Figure 3 It is a front view structural schematic diagram of the utility model.

[0020] Figure 4 It is a top view structural schematic diagram of the utility model.

[0021] Figure 5 It is a bottom view structural schematic diagram of the utility model.

[0022] Figure 6 It is a three-dimensional structural schematic diagram of the main clamp body of the utility model.

[0023] Figure 7 It is one of the three-dimensional structural schematic diagrams of the rotating part of the utility model.

[0024] Figure 8 It is the second three-dimensional structural schematic diagram of the rotating part of the utility model.

[0025] Figure 9 It is a three-dimensional structural schematic diagram of the moving part of the utility model.

[0026] Figure 10 It is a schematic diagram of the connection relationship between the rotating part and the moving part of the utility model.

[0027] Figure 11 It is an exploded view of the utility model.

[0028] Figure 12 It is Figure 4 The sectional structural schematic diagram in the A-A direction in

[0029] Figure 13 It is Figure 4 The sectional structural schematic diagram in the B-B direction in

[0030] Reference Signs:

[0031] Main clamp body 1, locking port 1-1, supporting platform 1-2, hanging hole 1-3, locking groove 1-4, guiding hole 1-5, top surface 1-6, fitting groove 1-7, movable part 2, sliding groove 2-1, baffle 2-2, positioning hole 2-3, bottom surface 2-4, rotating part 3, cam 3-1, locking hook 3-2, pull rod 3-3, through hole 3-4, fixing hole 3-5, coil 4, connecting shaft 5, torsion spring 6, spring 7, stud 8, stud clamping part 8-1, lock cap 9, metal frosting plate 10, label 11, bottom cover 12, guiding post 13, double-sided adhesive tape 14, clamping opening C, engaging part D. Detailed Implementation Manner

[0032] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] As Figure 1 shown, a food bag protection clip includes a main clamp body 1, a movable part 2, a rotating part 3, a lock core structure, a coil 4, and an RFID label 11.

[0034] The lock core structure, the coil, and the RFID label are all arranged in the main clamp body. The movable part is slidably positioned on the main clamp body, and a clamping opening C is formed between the main clamp body and the movable part for clamping a food bag. The rotating part is rotatably positioned on the main clamp body, and the rotating part is used to drive the movable part to move so that the clamping opening is closed. The lock core structure is used to lock the rotating part so that the clamping opening remains in a closed state. The coil is 8.2m or 58k.

[0035] The main clamp body is provided with a locking port 1-1, a supporting platform 1-2, a hanging hole 1-3, and a locking groove 1-4. As Figure 12 shown, the supporting platform is arranged at the right end of the main clamp body, the movable part is located above the supporting platform, and the clamping opening is formed between the supporting platform and the movable part. The main clamp body is further provided with a fitting groove 1-7 and a bottom cover 12. The coil and the RFID label are installed in the fitting groove, and the bottom cover closes the fitting groove.

[0036] The rotating part is rotatably positioned on the main clamp body through a connecting shaft 5. The rotating part is provided with a cam 3-1, a locking hook 3-2, and a through hole 3-4.

[0037] The rotating part is a lever structure (one end of the locking hook is the power arm, one end of the cam is the resistance arm, and the power arm is greater than the resistance arm). The cam is located at the rotation center of the rotating part, and the locking hook is far from the rotation center of the rotating part. When locking, the locking hook can apply a strong lever force and pre-tightening force to the cam to squeeze the movable part, so as to tightly clamp the food bag.

[0038] The cam is used to squeeze the movable part to close the clamping mouth, and the rotation axis of the cam is the axis of the connecting shaft. When the rotating part rotates, the cam rotates synchronously. The cam applies a thrust to the movable part through the change of the curved surface, causing the movable part to approach the main clamp body. As Figure 8 shown, the rotating part is provided with 4 cams arranged in parallel.

[0039] The locking hook is arranged at the distal end of the rotating part ( Figure 12 the left end of), when the locking hook is inserted into the locking opening, the lock core structure catches the locking hook to complete locking. At this time, the rotating part is closely attached to the surface of the main clamp body, and the through hole is just vertically aligned with the hanging hole (to avoid blocking the hanging hole).

[0040] The rotating part has a certain elasticity. When the clamping mouth clamps products of different thicknesses, the bending of the rotating part ensures that the locking hook is inserted into the locking opening and caught by the lock core structure to complete locking.

[0041] The lock core structure includes a spring 7, a stud 8, and a lock cap 9. As Figure 12 shown, the stud can slide horizontally along the lock groove. The lock cap is installed at the left end of the main clamp body. The spring is located between the lock cap and the stud. The right end of the lock groove communicates with the locking opening. The stud extends into the locking opening under the push of the spring. The stud is provided with an inclined surface that cooperates with the locking hook, and the locking hook is provided with a fixing hole 3-5. A stud catch 8-1 is also provided between the spring and the stud.

[0042] As Figure 12 shown, rotate the rotating part counterclockwise to lock. The locking hook is inserted into the locking opening. The locking hook first pushes the stud away through the inclined surface (the stud moves horizontally to the left). When the locking hook is inserted in place, the stud rebounds (the stud moves horizontally to the right) and extends into the fixing hole to catch the locking hook to complete locking. A matching step surface is also provided between the stud and the fixing hole. When locking, the two step surfaces bite each other (the biting part D is as Figure 12 shown), so the locking hook also catches the stud to prevent the stud from retracting into the lock groove and avoid accidental unlocking caused by the loosening of the stud due to external force knocking.

[0043] A torsion spring 6 is provided on the connecting shaft. The connecting shaft passes through the spiral part of the torsion spring, and the two ends of the torsion spring respectively abut against the main clamp body and the rotating part. When unlocking, the rotating part automatically pops out of the locking opening under the push of the torsion spring.

[0044] The movable part is slidably positioned on the main clamp body through a guiding structure. As Figure 12 shown, the movable part is vertically slidably positioned on the main clamp body. The guiding structure includes a guiding hole 1-5 provided on the main clamp body and a guiding column 13 fixed to the movable part. The guiding column is slidably positioned in the guiding hole. The movable part is provided with a positioning hole 2-3 for installing the guiding column.

[0045] To ensure that the clamping mouth can also be automatically opened when unlocking, the movable part is provided with a sliding groove 2-1, and the rotating part is provided with a pull rod 3-3. As Figure 12 shown, when unlocking, the rotating part rotates clockwise, causing the pull rod to move upward. The pull rod drives the movable part to move upward through the sliding groove, so the clamping mouth is automatically opened.

[0046] As Figure 8 , Figure 9 , Figure 10 shown, the pull rod is vertically fixed between the two middle cams. The middle part of the movable part is provided with a baffle 2-2. The baffle extends between the two cams. The sliding groove is made on the baffle, and the pull rod vertically passes through the sliding groove.

[0047] The bottom surface 2-4 of the movable part is the upper clamping surface of the clamping mouth. The top surface 1-6 of the support table is the lower clamping surface of the clamping mouth. The clamping surfaces of the support table and the movable part are both provided with metal frosting plates 10. The metal frosting plates are both adhesively fixed to the two clamping surfaces through double-sided tapes 14. The metal frosting plates are made by an etching process.

[0048] The working principle of the present utility model is as follows:

[0049] 1. Locking

[0050] Put the food bag into the clamping mouth, press the rotating part counterclockwise ( Figure 12 in the counterclockwise direction), so that the locking hook is inserted into the locking opening to complete the locking. The cam of the rotating part squeezes the movable part to tightly clamp the food bag with the clamping mouth, and the protection clip and the food bag are integrated;

[0051] 2. Unlocking

[0052] Bring the magnetic unlocking device close to the lock core structure, press the rotating part by hand to separate the two stepped surfaces at the engaging part, and the column head automatically disengages from the locking opening under the magnetic force. After releasing the hand, the torsion spring drives the rotating part to rotate clockwise ( Figure 12 in the clockwise direction), the locking hook automatically pops out of the locking opening, and the rotating part drives the movable part to move through the pull rod and the sliding groove, and the clamping mouth is automatically opened, and the protection clip and the food bag are separated;

[0053] 3. Anti-theft protection

[0054] If the present utility model is forcibly removed, the food bag will be torn; if the present utility model is not removed and the commodity is carried through the commodity exit, the antenna at the exit position will trigger an alarm to remind the staff to pay attention.

[0055] The advantages of the present utility model are as follows:

[0056] 1. The clamping mouth is equipped with a metal frosting plate. The small convex points formed by the etching process of the metal frosting plate will provide greater friction and can better fix the product;

[0057] 2. The oval-shaped hanging hole of the main clamp body can be hung on the supermarket shelf hook, meeting the product display requirements and facilitating customers' selection;

[0058] 3. The anti-knock design of the lock core structure improves the anti-theft performance;

[0059] 4. The column head and the rotating part are made of plastic parts, reducing the friction and wear during locking and unlocking, and extending the service life of the protective clamp;

[0060] 5. When unlocking, the built-in torsion spring will make the rotating part bounce open automatically, facilitating users' use;

[0061] 6. An RFID tag is placed inside, facilitating customers to count goods and saving labor costs.

[0062] The preferred embodiments of the present utility model are shown in the accompanying drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

Claims

1. Food bag protection clip, characterized by: The invention comprises a main clamp body (1), a movable part (2) forming a clamping opening with the main clamp body to clamp the food bag, a rotating part (3) used for pressing the movable part to close the clamping opening, a lock core structure used for locking the rotating part to keep the clamping opening closed, and a coil (4).

2. The food bag protection clip according to claim 1, characterized in that: The rotating member is rotatably positioned on the main clamp body via a connecting shaft (5); a cam (3-1) for pressing the movable member is provided on the rotating member.

3. The food bag protection clip according to claim 2, characterized in that: The main clamp body is provided with a lock opening (1-1); the rotating member is provided with a lock hook (3-2); and the lock core structure can clamp the lock hook inserted into the lock opening.

4. The food bag protection clip according to claim 3, characterized in that: The connecting shaft is provided with a torsion spring (6) which can push the lock hook to disengage from the lock port.

5. The food bag protection clip according to claim 2 or 4, characterized in that: The movable part is provided with a slide groove (2-1), and the rotating part is provided with a pull rod (3-3) passing through the slide groove.

6. The food bag protection clip according to claim 5, characterized in that: The movable member is slidably positioned on the main clamping body through a guide structure.

7. The food bag protection clip according to claim 6, characterized in that: The lock core structure comprises a spring (7), a column head (8) and a lock cap (9).

8. The food bag protection clip according to claim 2, 4 or 7, characterized in that: A support platform (1-2) is provided on the main clamp body; the clamping opening is formed between the support platform and the movable part; and metal frosted plates (10) are provided on the clamping surfaces of the support platform and the movable part.

9. The food bag protection clip according to claim 8, characterized in that: The main clamp body is provided with a hanging hole (1-3).

10. The food bag protection clip according to claim 9, characterized in that: The main clamp body is provided with an RFID tag (11).

Images