Plum blossom pan head self-tapping screw assembly

Abstract

The utility model discloses a quincuncial pan head self-tapping screw assembly, which belongs to the technical field of quincuncial screws and comprises a screw body, a screw point is mounted on the outer surface of the screw body, a screw head is mounted at the top end of the screw body, a quincuncial groove is formed in the upper surface of the screw head, circular rods which are annularly arranged are mounted on the outer surface of the screw head, and the quincuncial pan head is mounted on the circular rods. A cross-shaped groove is formed in the inner wall of the plum blossom-shaped groove, through cooperation of the plum blossom-shaped groove, the cross-shaped groove, a round rod and an anti-skid layer, people can conveniently install the nail body in various modes, so that people can more conveniently install the nail body, and due to the arrangement of an anti-corrosion layer and a flange, the equipment has the characteristic of corrosion resistance, and the service life of the equipment is prolonged. The contact area of the screw body and the surface of a connected piece can be increased, so that the self-tapping screw is more stable, and due to the arrangement of the spring, the annular pad and the anti-skid teeth, not only can large rotating force be applied to a worker for buffering, but also the self-tapping screw can be prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model relates to plum blossom screw technical field, specifically a plum blossom head self tapping screw assembly. BACKGROUND

[0002] Plum blossom screw formal name screw or inner plum blossom screw, also called star screw, plum blossom screw in common automobile, motorcycle, bicycle brake system, hard disk, computer system and consumer electronics, according to design, the protrusion deviation of plum head screw is better than that of phillips head screw or straight screw, phillips head screw is designed to let the protrusion deviation of screwdriver, to prevent overtightening, and plum head screw is designed to prevent the protrusion deviation of screwdriver, and the design change is from the wide use of automatic torque control screwdriver used in factory, torque control screwdriver design can provide a predetermined torque stably, instead of reaching a certain torque and relying on tool to slide out screw head, risking damaging the tip of screwdriver, screw head or workpiece.

[0003] But the current screw needs artificial support when installing, and when the screw is under great stress, the plum blossom groove will be damaged, so that people cannot continue to disassemble or tighten it, which seriously affects the installation of plum blossom head self tapping screw, therefore, the technical personnel in the field provides a plum blossom head self tapping screw assembly to solve the problems in the background art. UTILITARIAN CONTENT

[0004] The utility model aims at providing a plum blossom head self tapping screw assembly to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A plum blossom head self tapping screw assembly, comprising a nail body, a nail tip is installed on the outer surface of the nail body, a nail head is installed at the top end of the nail body, a plum blossom groove is formed in the upper surface of the nail head, a plurality of circular rods are arranged in a ring shape on the outer surface of the nail head, and a cross groove is formed in the inner wall of the plum blossom groove.

[0007] As a further scheme of the utility model, an anti-skid layer is installed on the outer surface of each circular rod, and a self tapping thread is formed in the outer surface of the nail body.

[0008] As a further scheme of the utility model, a flange is arranged on the outer surface of the nail body, and an anti-skid tooth is arranged in a ring shape on the bottom surface of the nail head.

[0009] As a further scheme of the utility model, a ring-shaped pad is arranged on the outer surface of the nail body, and the bottom surface of the ring-shaped pad is connected with the flange.

[0010] As a further scheme of the utility model: the outer surface of the nail head is provided with a spring, and the end of the spring away from the nail head is connected with the annular pad.

[0011] As a further scheme of the utility model: the outer surface of the nail head is sprayed with an anticorrosive layer, and the anticorrosive layer is anticorrosive grease.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The plum blossom head self-tapping screw assembly can conveniently install the nail body through various ways, so that the installation of the nail body is more convenient, the anticorrosive layer and the flange can not only make the equipment have the characteristics of corrosion resistance, but also can increase the contact area of the nail body and the surface of the connected piece, so that the self-tapping screw is more stable, the spring, the annular pad and the anti-skid tooth can not only buffer the greater rotating force applied to the worker, but also can prevent the self-tapping screw from loosening. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a three-dimensional structure schematic view of a plum blossom head self-tapping screw assembly;

[0015] Fig. 2 It is a side view of a plum blossom head self-tapping screw assembly;

[0016] Fig. 3 It is a top view of a plum blossom head self-tapping screw assembly;

[0017] Fig. 4 It is a top view of a plum blossom head self-tapping screw assembly.

[0018] In the drawing: 1, nail body; 2, nail tip; 3, nail head; 4, plum blossom groove; 5, round rod; 6, cross groove; 7, anticorrosive layer; 8, self-tapping thread; 9, flange; 10, annular pad; 11, spring; 12, anti-skid tooth; 13, anti-skid layer. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] Please refer to Figs. 1-4 In the utility model embodiment, a kind of plum blossom head self-tapping screw assembly, including nail body 1, nail tip 2 is installed on the outer surface of nail body 1, the top of nail body 1 is installed with nail head 3, the upper surface of nail head 3 is equipped with plum blossom groove 4, circular rod 5 of annular arrangement is installed on the outer surface of nail head 3, the inner wall of plum blossom groove 4 is equipped with cross recess 6, so that people can install self-tapping screw in multiple ways, prevent plum blossom groove 4 from being damaged, self-tapping screw cannot be disassembled, so as to solve the problem that screw is installed in the background art at present, needs to be supported by artificial screw, and when screw force is larger, plum blossom groove will be damaged, so that people cannot continue to disassemble or tighten, seriously affect the installation of plum blossom head self-tapping screw of people.

[0022] The outer surface of each circular rod 5 is installed with anti-skid layer 13, self-tapping thread 8 is opened on the outer surface of nail body 1, flange 9 is sleeved on the outer portion of nail body 1, anti-skid tooth 12 of annular arrangement is installed on the bottom surface of nail head 3, not only can people install self-tapping screw conveniently, but also can increase the contact area of nail body 1 and the surface of connected piece, so that self-tapping screw is more stable.

[0023] The outer part of the nail body 1 is sleeved with an annular pad 10, the bottom surface of the annular pad 10 is connected with the flange 9, the outer surface of the nail head 3 is provided with a spring 11, the end of the spring 11 away from the nail head 3 is connected with the annular pad 10, the outer surface of the nail head 3 is sprayed with an anticorrosive layer 7, the anticorrosive layer 7 is anticorrosive grease, so that the self-tapping screw has the characteristics of corrosion resistance, and the self-tapping screw can be prevented from loosening after long-time use.

[0024] The working principle of the utility model is: firstly, people can align the nail tip 2 with the mounting hole of the connected piece, then can use the plum blossom groove 4, the cross groove 6 or the round rod 5 to rotate the nail head 3, with the rotation of the nail body 1, the self-tapping thread 8 can position the connected piece, the setting of the anticorrosive layer 7 can prevent the outer surface of the nail head 3 from corroding, the setting of the flange 9, the annular pad 10, the spring 11 and the anti-skid tooth 12 can prevent the self-tapping screw from loosening after long-time use.

[0025] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0026] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment contains only one independent technical scheme, the description mode of the specification is only for the sake of clarity, the skilled person should consider the specification as a whole, and the technical scheme in each embodiment can also be combined appropriately to form other embodiments that the skilled person can understand. Thus, no matter from which point of view, the embodiment should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

Claims

1. A box head self-tapping screw assembly comprising a shank (1), characterized in that, The outer surface of the nail body (1) is provided with a nail tip (2), the top end of the nail body (1) is provided with a nail head (3), the upper surface of the nail head (3) is provided with a plum blossom groove (4), the outer surface of the nail head (3) is provided with circular rods (5) arranged in a ring, and the inner wall of the plum blossom groove (4) is provided with a cross groove (6).

2. A box pan head self tapping screw assembly according to claim 1 wherein, The outer surface of each circular rod (5) is provided with an anti-skid layer (13), and the outer surface of the nail body (1) is provided with a self-tapping thread (8).

3. A box pan head self tapping screw assembly according to claim 1 wherein, The outer surface of the nail body (1) is provided with a flange (9), and the bottom surface of the nail head (3) is provided with anti-skid teeth (12) arranged in a ring.

4. The box pan head self tapping screw assembly of claim 1 wherein, The outer surface of the nail body (1) is provided with a ring-shaped pad (10), and the bottom surface of the ring-shaped pad (10) is connected with the flange (9).

5. The box pan head self tapping screw assembly of claim 1 wherein, The outer surface of the nail head (3) is provided with a spring (11), and the end, away from the nail head (3), of the spring (11) is connected with the ring-shaped pad (10).

6. A box pan head self tapping screw assembly according to claim 1 wherein, The outer surface of the nail head (3) is sprayed with an anti-corrosion layer (7), and the anti-corrosion layer (7) is anti-corrosion grease.

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