Self-locking nylon cable tie

Abstract

The utility model relates to the technical field of fasteners, in particular to a self-locking nylon cable tie which comprises a cable tie body, clamping grooves are evenly formed in one side of the cable tie body, a lock head is fixedly connected to one end of the cable tie body, a locking assembly is arranged on the inner side of the lock head, and the locking assembly comprises a gear arranged in the lock head. A rotating shaft is fixedly connected to the middle of the gear, the upper end and the lower end of the rotating shaft are rotationally connected with the inner walls of the upper side and the lower side of the lock head correspondingly, a screw penetrates through one side of the lock head, the end, extending out of the lock head, of the screw is fixedly connected with a rotating holding block, and the end, away from the rotating holding block, of the screw is rotationally connected with a moving plate; guide blocks are fixedly connected to the two ends of the movable plate, guide rods penetrate through the middles of the two guide blocks, and a limiting rod is rotationally connected to the middle of the side, away from the screw, of the movable plate, so that the tightness of the ribbon can be adjusted at will, and the ribbon can be detached for repeated use.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a self-locking nylon cable tie. Background Art

[0002] A cable tie refers to a strap used for bundling things. It can be divided into nylon cable ties, stainless steel cable ties, and plastic-sprayed stainless steel cable ties according to the material. Nylon cable ties have the characteristics of fast bundling and convenient use, so they are widely used in electronic and electrical factories, wire processing factories, wire and cable factories, toy factories, handicraft factories, horticulture, connectors, hardware, household daily use, fresh food supermarkets, stationery and department stores, etc.;

[0003] The utility model with the patent application publication number CN 213229804 U discloses a new type of anti-loosening nylon cable tie. By setting a V-shaped spring piece at the bottom of the fixing block, the elastic force of the V-shaped spring piece is used to press the belt body against the inner wall of the fixing cavity, and at the same time, it is ensured that the first tooth and the second tooth are completely engaged. The structure is reasonable and the anti-retreat effect is good;

[0004] However, the above cable tie cannot be loosened after being fixed. When the items bundled by the nylon cable tie need to be loosened, the nylon cable tie must be cut off. On the one hand, the cut nylon cable tie cannot be reused, resulting in waste of resources and cost consumption. On the other hand, it is not convenient to adjust the tightness of the cable tie again, and the practical effect is poor. Content of the Utility Model

[0005] The purpose of the utility model is to provide a self-locking nylon cable tie to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A self-locking nylon cable tie includes a cable tie body. A plurality of card slots are evenly formed on one side of the cable tie body. One end of the cable tie body is fixedly connected with a lock head, and a locking assembly is arranged inside the lock head;

[0008] The locking assembly includes a gear arranged inside the lock head. The middle of the gear is fixedly connected with a rotating shaft. The upper and lower ends of the rotating shaft are respectively rotationally connected with the inner walls of the upper and lower sides of the lock head. One side of the lock head penetrates through a screw rod. The end of the screw rod extending outside the lock head is fixedly connected with a rotating grip. The end of the screw rod far away from the rotating grip is rotationally connected with a moving plate. Both ends of the moving plate are fixedly connected with guide blocks. Guide rods penetrate through the middle parts of the two guide blocks. The middle part of the side of the moving plate far away from the screw rod is rotationally connected with a limiting rod. A telescopic spring is fixedly connected to the middle part of one side. The other end of the telescopic spring is fixedly connected with the surface of the moving plate. A blocking rod is arranged on the side of the limiting rod far away from the telescopic spring.

[0009] As a preferred solution of the utility model, the surfaces of the two guiding rods are respectively slidably connected to the inner walls of the two guiding blocks, and one ends of the two guiding rods are fixedly connected to the inner wall of one side of the locking head penetrating screw.

[0010] As a preferred solution of the utility model, the end of the limiting rod away from the moving plate is meshed with the surface of the gear, and the limiting rod is arc-shaped.

[0011] As a preferred solution of the utility model, one end of the blocking rod is fixedly connected to the surface of the moving plate, and the other end of the blocking rod is in contact with the surface of the limiting rod.

[0012] As a preferred solution of the utility model, the end of the cable tie body away from the locking head penetrates the locking head, and the card slot is clamped and connected to the surface of the gear.

[0013] As a preferred solution of the utility model, both sides of the cable tie body are provided with ethylene propylene rubber layers, and flame retardant coatings are sprayed on one sides of the two ethylene propylene rubber layers away from the cable tie body.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. In the utility model, by arranging a telescopic spring at one end of the limiting rod and a blocking rod at the other end, the limiting rod can only rotate in one direction, restricting the rotation of the gear, so that the gear can lock the cable tie body.

[0016] 2. In the utility model, by rotating the screw rod, the moving plate can drive the limiting rod to move, the gear loses the restriction and can rotate reversely, and the cable tie body can be withdrawn from the locking head, and the cable tie body can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the utility model;

[0018] Figure 2 is a schematic top view sectional structure diagram of the locking head of the utility model;

[0019] Figure 3 is an enlarged structural diagram of part A of the utility model;

[0020] Figure 4 is a schematic sectional structure diagram of the cable tie body of the utility model.

[0021] In the figure: 1. Tie strap body; 2. Card slot; 3. Lock head; 4. Locking assembly; 401. Gear; 402. Rotating shaft; 403. Screw; 404. Rotating grip block; 405. Moving plate; 406. Guide block; 407. Guide rod; 408. Limit rod; 409. Telescopic spring; 410. Blocking rod; 5. EPDM layer; 6. Flame retardant coating. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] For the embodiments, please refer to Figure 1 、 Figure 2 、 Figure 3 The present invention provides a technical solution:

[0027] A self-locking nylon cable tie, comprising a cable tie body 1, a plurality of card slots 2 are evenly arranged on one side of the cable tie body 1, one end of the cable tie body 1 is fixedly connected with a lock head 3, a locking component 4 is arranged inside the lock head 3, the locking component 4 includes a gear 401 arranged inside the lock head 3, a rotating shaft 402 is fixedly connected to the middle of the gear 401, the upper and lower ends of the rotating shaft 402 are respectively rotationally connected to the inner walls of the upper and lower sides of the lock head 3, a screw rod 403 penetrates through one side of the lock head 3, one end of the screw rod 403 extending outside the lock head 3 is fixedly connected with a rotating grip 404, one end of the screw rod 403 away from the rotating grip 404 is rotationally connected to a moving plate 405, guide blocks 406 are fixedly connected to both ends of the moving plate 405, guide rods 407 penetrate through the middle of the two guide blocks 406, a limiting rod 408 is rotationally connected to the middle of the side of the moving plate 405 away from the screw rod 403, a telescopic spring 409 is fixedly connected to the middle of one side, the other end of the telescopic spring 409 is fixedly connected to the surface of the moving plate 405, a blocking rod 410 is arranged on the side of the limiting rod 408 away from the telescopic spring 409.

[0028] As Figure 2 , Figure 3 shown, the surfaces of the two guide rods 407 are respectively slidably connected to the inner walls of the two guide blocks 406, one ends of the two guide rods 407 are fixedly connected to the inner wall of the side of the lock head 3 where the screw rod 403 penetrates, the end of the limiting rod 408 away from the moving plate 405 is meshed with the surface of the gear 401, the limiting rod 408 is arc-shaped, one end of the blocking rod 410 is fixedly connected to the surface of the moving plate 405, the other end of the blocking rod 410 is in contact with the surface of the limiting rod 408, the end of the cable tie body 1 away from the lock head 3 penetrates through the lock head 3, and the card slot 2 is snap-connected to the surface of the gear 401.

[0029] As Figure 4 shown, ethylene propylene rubber layers 5 are arranged on both sides of the cable tie body 1, and flame retardant coatings 6 are sprayed on the sides of the two ethylene propylene rubber layers 5 away from the cable tie body 1.

[0030] Working process of the utility model: When in use, the cable tie body 1 is wound around the outside of the object to be tied, and the end of the cable tie body 1 away from the lock head 3 is inserted into the inside of the lock head 3. The cable tie body 1 drives the gear 401 to rotate. While the gear 401 rotates, the teeth on the surface push the limit rod 408 to squeeze the telescopic spring 409, causing the limit rod 408 to rotate to one side. When the cable tie body 1 is tightened on the surface of the object, stop pulling the cable tie body 1. The teeth on the surface of the gear 401 are engaged in the corresponding card slot 2. A blocking rod 410 is provided on the side of the limit rod 408 away from the telescopic spring 409. The blocking rod 410 can prevent the limit rod 408 from rotating to the other side, thereby avoiding the reverse rotation of the gear 401, being able to lock the cable tie body 1 and prevent the cable tie body 1 from loosening. When it is necessary to remove the cable tie body 1, the screw rod 403 can be rotated. The screw rod 403 moves outward, driving the moving plate 405 and the limit rod 408 to move together. The limit rod 408 cancels the restriction on the gear 401, and the gear 401 can rotate in reverse, enabling the cable tie body 1 to withdraw from the inside of the lock head 3, facilitating the disassembly of the cable tie body 1, and the cable tie body 1 after disassembly can be reused. The provided ethylene propylene rubber layer 5 plays a role in corrosion resistance, aging resistance, and temperature resistance. The flame retardant coating 6 has a good flame retardant effect, improving the service life of the cable tie body 1.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A self-locking nylon cable tie, comprising a cable tie body (1), characterized in that: One side of the cable tie body (1) is evenly provided with slots (2); one end of the cable tie body (1) is fixedly connected with a lock head (3); and a locking assembly (4) is provided on the inner side of the lock head (3); The locking assembly (4) comprises a gear (401) arranged inside the lock head (3); a rotating shaft (402) is fixedly connected to the middle of the gear (401); upper and lower ends of the rotating shaft (402) are rotatably connected to the upper and lower inner walls of the lock head (3) respectively; a screw rod (403) passes through one side of the lock head (3); one end of the screw rod (403) extending to the outside of the lock head (3) is fixedly connected to a rotating grip block (404); and one end of the screw rod (403) away from the rotating grip block (404) is rotatably connected to a moving plate (405). Both ends of the movable plate (405) are fixedly connected to guide blocks (406), and guide rods (407) are passed through the middle of the two guide blocks (406). The middle of one side of the movable plate (405) away from the screw rod (403) is rotatably connected to a limiting rod (408), and the middle of the one side is fixedly connected to a telescopic spring (409), and the other end of the telescopic spring (409) is fixedly connected to the surface of the movable plate (405), and a blocking rod (410) is provided on the side of the limiting rod (408) away from the telescopic spring (409).

2. A self-locking nylon cable tie according to claim 1, characterized in that: The surfaces of the two guide rods (407) are respectively slidably connected to the inner walls of the two guide blocks (406), and one end of the two guide rods (407) is fixedly connected to the inner wall of one side of the locking head (3) penetrating the screw rod (403).

3. A self-locking nylon cable tie according to claim 1, characterized in that: One end of the limiting rod (408) away from the moving plate (405) is meshedly connected with the surface of the gear (401), and the limiting rod (408) is arranged in an arc shape.

4. A self-locking nylon cable tie according to claim 1, characterized in that: One end of the blocking rod (410) is fixedly connected to the surface of the moving plate (405), and the other end of the blocking rod (410) is in contact with the surface of the limiting rod (408).

5. A self-locking nylon cable tie according to claim 1, characterized in that: One end of the cable tie body (1) away from the lock head (3) passes through the lock head (3), and the clamping groove (2) is clamped and connected to the surface of the gear (401).

6. A self-locking nylon cable tie according to claim 1, characterized in that: Both sides of the cable tie body (1) are provided with EPDM rubber layers (5), and the sides of the two EPDM rubber layers (5) away from the cable tie body (1) are sprayed with a flame retardant coating (6).

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