Anti-slipping screw

Abstract

The utility model relates to the technical field of screws, and discloses an anti-thread-slipping screw which comprises a screw rod and a screw head integrally formed at the bottom end of the screw rod, the screw head is provided with a cross groove, and the anti-thread-slipping screw further comprises a conical tip and a triangular thorn. The conical tip is integrally formed at the top end of the screw, and the triangular thorns are arranged on the two sides of the conical tip respectively. An anti-loosening assembly; the anti-loosening assembly is arranged in the screw rod, when the whole screw is driven into a wall, the anti-loosening assembly is pushed out, and the whole screw can be reinforced. Compared with the prior art, the anti-loosening nut has the advantages that the contact area of the nut and the surface of a connecting piece is increased, when the triangular thorns can be directly inserted into the connecting piece, thread slipping can be effectively prevented, labor is saved in installation, the two reinforcing pins can be pushed out in the transverse direction to be inserted into the connecting piece, the torsion resisting force is increased, and the anti-loosening performance is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technical field, specifically point to a kind of anti-slip screw. BACKGROUND

[0002] Screw slip refers to the phenomenon that screw is slid up due to the reasons such as large resistance, large friction in the process of tightening, at this time, the tightening force of screw is reduced, cannot play the role of stable connection, resulting in problems such as loosening, falling off when using.

[0003] The traditional screw is mostly sawtooth thread in preventing slip, but in the installation process, larger torque is needed to tighten screw in place, which increases the complexity and time cost of installation, and because of the different use scenarios of screw, especially in vibration environment, the friction between screw and connecting piece gradually decreases, eventually causing screw loosening. UTILITY MODEL CONTENT

[0004] I. Technical problem to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical difficulties, provide an anti-slip screw, which is convenient to install, and increases the resistance to torsion, significantly improves the anti-loosening performance.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme: an anti-slip screw, comprising a screw rod, a screw head integrally formed with the bottom end of the screw rod, a cross slot provided on the screw head, and further comprising:

[0008] A conical tip and a triangular spike; the conical tip is integrally formed with the top end of the screw rod, and a plurality of triangular spikes are respectively arranged on both sides of the conical tip.

[0009] A loosening prevention assembly; the loosening prevention assembly is arranged in the screw rod, and when the whole screw is driven into the wall, the loosening prevention assembly is pushed out to reinforce the whole.

[0010] As an improvement, the loosening prevention assembly comprises a cavity and a fixed plate; the cavity is directly arranged in the screw rod, the fixed plate is arranged in the cavity, and the fixed plate is fixedly connected with the screw rod around; the loosening prevention assembly further comprises a moving rod and a convex push block; the moving rod is inserted on the fixed plate, and the convex push block is fixedly arranged at one end of the moving rod extending into the cavity; the loosening prevention assembly further comprises a reinforcing nail and a film; both sides of the screw rod are provided with through holes, the film is directly arranged in the through hole and seals the through hole, both sides of the top end of the cavity are provided with moving blocks slidably connected and matched with the convex push block, and the reinforcing nails are respectively arranged on one side of the moving blocks and extend into the through holes.

[0011] As improvement, the top end of the moving block is provided with a T-shaped sliding block, and the inner wall of the cavity is provided with a T-shaped sliding groove matched with the T-shaped sliding block.

[0012] As improvement, the end of the moving rod away from the convex push block is provided with a push plate.

[0013] As improvement, the surface of the screw rod is coated with a coating material with anti-skid property.

[0014] Three, beneficial effects

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1. The multiple triangular thorns on the two sides of the conical tip not only increase the contact area between the nut and the surface of the connecting piece, but also can effectively prevent the wire from slipping when the triangular thorn is directly inserted into the connecting piece.

[0017] 2. The cavity, the fixed plate, the moving rod, the push plate, the convex push plate, the moving block, the reinforcing nail, the through hole and the film can push out two reinforcing nails in the transverse direction and insert them into the connecting piece, thereby increasing the resistance to torsion and significantly improving the anti-loose performance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a three-dimensional schematic view of the anti-slip wire screw of the utility model Figure 1 .

[0019] Figure 2 is a three-dimensional schematic view of the anti-slip wire screw of the utility model Figure 2 .

[0020] Figure 3 is a sectional view of the anti-slip wire screw of the utility model.

[0021] Figure 4 is a three-dimensional schematic view of the anti-slip wire screw of the utility model Figure 3 A part detail enlargement.

[0022] As shown in the figure: 1, screw rod; 2, screw head; 3, conical tip; 4, cavity; 5, fixed plate; 6, moving rod; 7, push plate; 8, convex push block; 9, moving block; 10, reinforcing nail; 11, film; 12, cross slot; 13, triangular thorn. DETAILED DESCRIPTION

[0023] In the description of the utility model, need understanding is, the term "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation is based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the restriction of the utility model. In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0024] The utility model will be further described in detail below in combination with the drawings.

[0025] In combination with the drawings Figure 1 and the drawings Figure 2 A kind of anti-slip screw, including screw rod 1, screw head 2 integrally formed with the bottom end of the screw rod 1, the cross slot 12 is equipped on the screw head 2, the surface of the screw rod 1 is coated with coating material with anti-slip characteristics, can drive screw into connecting piece by the cross slot 12 and be screwed, and the surface of the screw rod 1 is coated with coating material with anti-slip characteristics, can increase the friction between screw and connecting piece to a certain extent.

[0026] In combination with the drawings Figure 1 and the drawings Figure 2 Conical tip 3 and triangle thorn 13;Conical tip 3 integrally formed with the top end of the screw rod 1, multiple triangle thorns 13 are respectively arranged in the two sides of conical tip 3, utilize multiple triangle thorns 13 not only increase the contact area of nut and connecting piece surface, and triangle thorn 13 can be directly inserted into connecting piece, can effectively prevent silk.

[0027] In combination with the drawings Figure 3 and the drawings Figure 4, the anti-loose assembly is arranged in the screw rod 1, when the whole screw is screwed into the wall, the anti-loose assembly is pushed out, the whole can be reinforced, the anti-loose assembly comprises a cavity 4 and a fixed plate 5, the cavity 4 is directly arranged in the screw rod 1, the fixed plate 5 is arranged in the cavity 4, and the fixed plate 5 is fixedly connected with the screw rod 1 around; the anti-loose assembly further comprises a moving rod 6 and a convex push block 8; the moving rod 6 is inserted on the fixed plate 5, and the convex push block 8 is fixedly arranged at one end of the moving rod 6 extending into the cavity 4; and a push plate 7 is arranged at the end of the moving rod 6 away from the convex push block 8; the push plate 7 can drive the moving rod 6 and the convex push block 8 to move, so that the reinforcing nail 10 can be pushed out. The anti-loose assembly further comprises a reinforcing nail 10 and a film 11; both sides of the screw rod 1 are provided with through holes, the film 11 is directly arranged in the through hole and seals the through hole, both sides of the top end of the cavity 4 are provided with moving blocks 9 in sliding connection and matched with the convex push block 8, and the reinforcing nails 10 are arranged at one side of the moving blocks 9 and extend into the through holes; the top end of the moving block 9 is provided with a T-shaped sliding block, and a T-shaped sliding groove matched with the T-shaped sliding block is arranged on the inner wall of the cavity 4; under the cooperation of the T-shaped sliding block and the T-shaped sliding groove, the moving block 9 moves stably to both sides, the reinforcing nail 10 continuously extends to both sides, directly pierces the film 11, continuously extends outward and penetrates into the connecting piece, can be locked and fixed in the transverse direction, increases the resistance to torsion, and significantly improves the anti-loose performance.

[0028] In the specific implementation of the utility model:

[0029] Firstly, the cross groove 12 can drive the screw to be screwed into the connecting piece, and the surface of the screw rod 1 is coated with a coating material with anti-skid properties, so that the friction between the screw and the connecting piece can be increased to a certain extent.

[0030] Furthermore, as the screw rod 1 continuously enters the connecting piece, the plurality of triangular thorns 13 not only increases the contact area between the nut and the surface of the connecting piece, but also can effectively prevent the screw from slipping when the triangular thorn 13 directly inserts into the connecting piece.

[0031] Meanwhile, when the screw rod 1 completely enters the connecting piece, the push plate 7 is pushed, the moving rod 6 and the convex push block 8 move, the moving blocks 9 on both sides are pushed, the T-shaped sliding block slides in the T-shaped sliding groove, the moving block moves stably to both sides, the reinforcing nail 10 continuously extends to both sides, directly pierces the film 11, continuously extends outward and penetrates into the connecting piece, can be locked and fixed in the transverse direction, increases the resistance to torsion, and significantly improves the anti-loose performance.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0033] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. An anti-slip screw, comprising a screw rod (1), a screw head (2) integrally formed with the bottom end of the screw rod (1), wherein the screw head (2) is provided with a cross groove (12), characterized in that, Also includes: Conical tip (3) and triangular spikes (13); the conical tip (3) is integrally formed with the top of the screw (1), and multiple triangular spikes (13) are respectively disposed on both sides of the conical tip (3); Anti-loosening component; The anti-loosening component is installed inside the screw (1). When the overall screw is driven into the connector, the anti-loosening component is pushed out, which can strengthen the whole.

2. The anti-slip screw according to claim 1, characterized in that: The anti-loosening component includes a cavity (4) and a fixing plate (5); the cavity (4) is directly set inside the screw (1), the fixing plate (5) is set inside the cavity (4), and the fixing plate (5) is fixedly connected to the screw (1) on all four sides; The anti-loosening assembly also includes a movable rod (6) and a convex push block (8); the movable rod (6) is inserted into the fixed plate (5), and the convex push block (8) is fixedly disposed at one end of the movable rod (6) extending into the cavity (4); The anti-loosening component also includes a reinforcing nail (10) and a membrane (11); both sides of the screw (1) are provided with through holes, the membrane (11) is directly placed in the through holes and seals the through holes, and both sides of the top of the cavity (4) are provided with sliding blocks (9) that are used in conjunction with the convex push block (8), and the reinforcing nail (10) is respectively placed on one side of the moving block (9) and extends into the through hole.

3. The anti-slip screw according to claim 2, characterized in that: The top of each movable block (9) is provided with a T-shaped slider, and the inner wall of the cavity (4) is provided with a T-shaped groove for use with the T-shaped slider.

4. The anti-slip screw according to claim 2, characterized in that: The end of the moving rod (6) away from the convex push block (8) is provided with a push plate (7).

5. The anti-slip screw according to claim 1, characterized in that: The surface of the screw (1) is coated with a coating material with anti-slip properties.

Images