A plastic seal with an integrated lock cylinder

Abstract

The utility model discloses a plastic seal with integrated lock cylinder, including lock body subassembly, lock cylinder and lock cylinder cover plate, wherein, the lock cylinder is plastic lock cylinder and is set apart with lock body subassembly, the lock body subassembly includes lock body and lock bar, be equipped with lock cylinder cavity on the lock body and be close to lock bar department, the plastic lock cylinder and lock cylinder cover plate integrated injection moulding and locate in lock cylinder cavity, the middle of lock cylinder cover plate sets up the lock bar and goes out hole, be equipped with a plurality of pair of lock bar exert radial force spring arm on lock cylinder cover plate, and the opening end of each spring arm is equipped with at least one lock tooth, be equipped with a plurality of locking grooves on the lock bar, the lock tooth on all spring arms and the locking groove on the lock bar are clamped and form one or more locking under the locking state. The plastic seal with integrated lock cylinder provided by the utility model solves the security and recycling compatibility problem through split type lock cylinder structure and radial elastic force system, greatly promotes the locking ability, and reduces the cost.

Description

Technical Field

[0001] This utility model relates to a plastic seal, and more particularly to a plastic seal with an integrated lock core. Background Technology

[0002] The plastic seal is made of ABS or PP, and the lock body uses a limiting structure, relying on the inherent elasticity of the plastic to lock in place. Plastic seals are mainly used in containers, trucks, vans, and other similar devices to seal packages and prevent theft. Existing plastic seals generally consist of a lock body and a lock cylinder. One side of the lock body is a marking surface, which can be customized with laser engraving, markings, codes, barcodes, colors, and other information. The lock body is roughly round or square, and contains a lock cylinder with a cover plate to secure it. Existing plastic seals mainly suffer from three types of technical defects:

[0003] 1. One-piece plastic seal

[0004] Although it is easy to recycle, it relies on the elastic locking of the locking teeth, which does not adequately shield the locking part; therefore, it is prone to elastic failure and can be illegally unlocked or forcibly damaged, resulting in insufficient security.

[0005] 2. Metal lock cylinder composite seal

[0006] Due to differences in materials, manual disassembly and separation are required, resulting in low recycling efficiency. This greatly hinders the effective recycling and reuse of plastic and metal parts, reducing overall environmental benefits.

[0007] 3. Traditional split plastic lock cylinder

[0008] The use of an axial or angled elastic structure for the locking rod results in physical limitations in locking and anti-pry capabilities, leading to insufficient safety performance. Utility Model Content

[0009] The technical problem to be solved by this utility model is to provide a plastic seal with an integrated lock cylinder, which can solve the problems of security and recycling compatibility, greatly improve locking ability, and reduce cost.

[0010] The technical solution adopted by this utility model to solve the above-mentioned technical problems is to provide a plastic seal with an integrated lock cylinder, including a lock body assembly and a lock cylinder. The lock cylinder is a plastic lock cylinder and is separately set from the lock body assembly. The lock body assembly includes a lock body and a lock rod. The lock body has a lock cylinder cavity near the lock rod. The plastic lock cylinder is located in the lock cylinder cavity. The plastic lock cylinder includes a lock cylinder cover plate. The lock cylinder cover plate has a lock rod through hole in the middle. The lock cylinder cover plate has a plurality of elastic arms that apply radial force to the lock rod. Each elastic arm has at least one locking tooth at its open end. The lock rod has a plurality of locking grooves. All the locking teeth on the elastic arms and the locking grooves on the lock rod engage with each other in the locked state to form one or more locking mechanisms.

[0011] Furthermore, two elastic arms are formed on the lock cylinder cover, and a trapezoidal cavity is formed in the middle of the two elastic arms.

[0012] Furthermore, the elastic arm is L-shaped, and after extending along the direction of the locking rod insertion and bending inward, it applies a radial locking force to the two locking teeth at its open end.

[0013] Furthermore, a guide inclined surface is formed on the locking teeth of the elastic arm away from the locking rod through hole.

[0014] Furthermore, one end of the locking rod is connected to the lock body, and the other end of the locking rod is the lock head. Several locking grooves are provided on the end of the locking rod near the lock head.

[0015] Furthermore, a positioning and shielding protrusion is provided at the end of the locking rod.

[0016] Furthermore, the lock body, lock rod, lock cylinder cavity, and lock head are integrally injection molded.

[0017] Furthermore, the lock cylinder cavity is located on one side of the lock body, and the other side of the lock body is the marking surface, which is provided with a lock rod insertion hole.

[0018] Compared with the prior art, the present invention has the following advantages: The plastic seal with an integrated lock cylinder provided by the present invention solves the problems of security and recycling compatibility through the split lock cylinder structure and radial elastic system, greatly improving the locking ability and reducing the cost. Attached Figure Description

[0019] Figure 1 This is an exploded structural diagram of the plastic seal with an integrated lock core according to this utility model;

[0020] Figure 2 This is a schematic diagram of the assembled structure of the plastic seal with an integrated lock core according to this utility model;

[0021] Figure 3This is a schematic diagram of the plastic lock cylinder structure of the plastic seal with an integrated lock cylinder according to this utility model.

[0022] The diagram is marked as follows:

[0023] 1. Lock body; 2. Lock cylinder cavity; 3. Positioning and shielding boss; 4. Lock rod; 5. Lock head; 6. Plastic lock cylinder; 7. Lock rod insertion hole; 8. Locking groove; 61. Spring arm; 62. Lock tooth; 63. Lock cylinder cover plate; 64. Lock rod exit hole. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 This is an exploded structural diagram of the plastic seal with an integrated lock core according to this utility model; Figure 2 This is a schematic diagram of the assembled structure of the plastic seal with an integrated lock core according to this utility model; Figure 3 This is a schematic diagram of the plastic lock cylinder structure of the plastic seal with an integrated lock cylinder according to this utility model.

[0026] Please see Figure 1 , Figure 2 and Figure 3 The present invention provides a plastic seal with an integrated lock cylinder, comprising a lock body assembly and a lock cylinder, wherein the lock cylinder is a plastic lock cylinder 6 and is separately disposed from the lock body assembly. The lock body assembly includes a lock body 1 and a lock rod 4. A lock cylinder cavity 2 is provided on the lock body 1 near the lock rod 4. The plastic lock cylinder 6 is disposed in the lock cylinder cavity 2. The plastic lock cylinder 6 includes a lock cylinder cover plate 63. A lock rod through hole 64 is provided in the middle of the lock cylinder cover plate 63. A plurality of elastic arms 61 are provided on the lock cylinder cover plate 63 to apply radial force to the lock rod 4. Each elastic arm 61 has at least one locking tooth 62 at its open end. A plurality of locking grooves 8 are provided on the lock rod 4. The locking teeth 62 on all elastic arms 61 and the locking grooves 8 on the lock rod 4 are engaged in the locked state to form one or more locking mechanisms.

[0027] The plastic seal with an integrated lock cylinder provided by this utility model has an elastic arm 61 that is approximately L-shaped. The elastic arm 61 extends along the insertion direction of the lock rod 4 and bends inward to apply a radial locking force to the two locking teeth 62 at its open end. Through the lever principle, a small deformation is converted into a strong locking force, improving mechanical efficiency by 2.1 times. In a preferred embodiment, the plastic seal with an integrated lock cylinder provided by this utility model has two elastic arms 61 formed on the lock cylinder cover plate 63, with a trapezoidal cavity formed between the two elastic arms 61. The multi-layered locking tooth structure achieves a stepped engagement of the locking groove 8, requiring destruction of each layer to unlock. The multi-lobed split design ensures that damage to a single point does not affect the overall locking function, achieving a redundant safety design.

[0028] As a preferred embodiment, the plastic seal with an integrated lock cylinder provided by this utility model has one end of the locking rod 4 connected to the lock body 1, and the other end of the locking rod 4 being a lock head 5. Several locking grooves 8 are provided on the locking rod 4 near the lock head 5; a positioning and shielding boss 3 is provided at the end of the locking rod 4; in the locked state, the locking teeth 62 on each layer of locking teeth engage with the locking grooves 8 on the locking rod 4. A guide inclined surface is formed on the locking teeth 62 on the elastic arm 61 away from the locking rod through hole 64, so that the lock head 5 can be better inserted and can effectively lock the locking rod 4, achieving a one-way locking function.

[0029] The plastic seal with an integrated lock cylinder provided by this utility model can improve the flexibility and comfort of material selection. Because the lock cylinder is independent and made of plastic, the lock body can be made of softer, more skin-friendly, and environmentally friendly plastic materials, reducing skin contact pressure by 60%. This significantly improves the comfort and environmental performance of the seal during use, without compromising its excellent security performance.

[0030] The plastic seal with an integrated lock cylinder provided by this utility model greatly enhances locking ability and significantly improves security performance. Through the independent, split, multi-layered, multi-lobed lock cylinder design, especially the special elastic engagement mechanism provided by the L-shaped elastic arm, combined with the protection of the anti-pry lock cylinder cover, the security against unauthorized opening of this utility model is significantly improved compared to traditional integrated plastic seals and ordinary plastic lock cylinders. The engagement contact area is increased by 300%, and the shear strength is increased by 100%.

[0031] This utility model's plastic seal is easy to recycle and has excellent environmental benefits: unlike metal lock cylinder seals, both the lock body and lock cylinder of this utility model are made of plastic. During the recycling stage, users or recycling organizations do not need to manually separate the two. This design completely solves the core problems of traditional metal / plastic composite seals, such as difficult separation and low recycling efficiency, increasing recycling efficiency by 80% and significantly improving the overall recycling and reuse rate of plastic components. Preferably, the lock body 1, lock rod 4, lock cylinder cavity 2, and lock head 5 are integrally injection molded, further improving efficiency and reducing assembly work.

[0032] This utility model provides a plastic sealing strip with an integrated lock cylinder. The lock cylinder cavity 2 is located on one side of the lock body 1 and is equipped with a lock head insertion indicator, which clearly indicates the insertion position of the lock head 5, improving the convenience of product use. The other side of the lock body 1 is a marking surface and is equipped with a lock bar insertion hole 7, which can be laser-marked or printed with personalized markings. The plastic lock cylinder 6 and lock cylinder cover plate 63 of this utility model are integrated; they completely cover the internal mechanism of the lock cylinder, blocking the insertion path of illegal tools and significantly improving the ability to prevent illegal unlocking.

[0033] In summary, the plastic seal with an integrated lock cylinder provided by this utility model solves the problems of security and recycling compatibility through a split lock cylinder structure and a radial elastic system. It integrates a multi-layer, multi-lobed lock tooth structure to achieve three-dimensional interlocking, and an L-shaped elastic arm inside the lock cylinder provides radial locking force, breaking through the traditional axial elastic mode. This greatly improves the locking ability and can replace the metal lock cylinder, reducing costs.

[0034] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A plastic seal with an integrated lock cylinder, comprising a lock body assembly and a lock cylinder, characterized in that, The lock cylinder is a plastic lock cylinder (6) and is separately set from the lock body assembly. The lock body assembly includes a lock body (1) and a lock rod (4). The lock body (1) has a lock cylinder cavity (2) near the lock rod (4). The plastic lock cylinder (6) is located in the lock cylinder cavity (2). The plastic lock cylinder (6) includes a lock cylinder cover plate (63). The lock cylinder cover plate (63) has a lock rod through hole (64) in the middle. The lock cylinder cover plate (63) has a plurality of elastic arms (61) that apply radial force to the lock rod (4). Each elastic arm (61) has at least one locking tooth (62) at its open end. The lock rod (4) has a plurality of locking grooves (8). All the locking teeth (62) on the elastic arms (61) and the locking grooves (8) on the lock rod (4) engage with each other in the locked state to form one or more locking mechanisms.

2. The plastic seal with an integrated lock cylinder as described in claim 1, characterized in that, Two elastic arms (61) are formed on the lock cylinder cover plate (63), and a trapezoidal cavity is formed in the middle of the two elastic arms (61).

3. The plastic seal with an integrated lock cylinder as described in claim 1, characterized in that, The elastic arm (61) is L-shaped. The elastic arm (61) extends along the insertion direction of the locking rod (4) and bends inward to apply radial locking force to the two locking teeth (62) at its open end.

4. The plastic seal with an integrated lock cylinder as described in claim 1, characterized in that, A guide inclined surface is formed on the locking teeth (62) of the elastic arm (61) away from the locking rod through hole (64).

5. The plastic seal with an integrated lock cylinder as described in claim 1, characterized in that, One end of the locking rod (4) is connected to the lock body (1), and the other end of the locking rod (4) is the lock head (5). Several locking grooves (8) are provided on the end of the locking rod (4) near the lock head (5).

6. The plastic seal with an integrated lock cylinder as described in claim 5, characterized in that, The locking rod (4) has a positioning shielding boss (3) at its end.

7. The plastic seal with an integrated lock cylinder as described in claim 5, characterized in that, The lock body (1), lock rod (4), lock cylinder cavity (2) and lock head (5) are integrally injection molded.

8. The plastic seal with an integrated lock cylinder as described in claim 1, characterized in that, The lock cylinder cavity (2) is located on one side of the lock body (1), and the other side of the lock body (1) is the marking surface, and is provided with a lock rod insertion hole (7).

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