Self-drilling head screw with pull ring

Abstract

The self-drilling head screw with the pull ring comprises a screw body, a threaded groove is formed in an inner cavity of the screw body, a threaded column is connected to the surface of the threaded groove in a threaded mode, a pull ring body is fixedly connected to one side of the threaded column, and limiting blocks are fixedly connected to the two ends of the right side of the screw body. And a limiting pin is inserted into an inner cavity of the limiting block. Through the threaded groove, the threaded column can rotate in the inner cavity of the threaded groove, when the threads on the surface of the threaded groove and the threads on the surface of the threaded column are in threaded connection, the threaded column can move when rotating, for example, the threaded column moves towards the inner side when rotating forwards, and otherwise, the threaded column moves towards the outer side when rotating backwards. The pull ring body can be conveniently driven to move by reversely moving the threaded column to the outer side, the using length of the pull ring body can be effectively adjusted, and therefore the using efficiency of the pull ring body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ring pull screw, specifically, relates to self-drilling head part with ring pull screw. BACKGROUND

[0002] Ring pull screw is a kind of screw type commonly used in life and production.It is widely used, has multiple functions and characteristics, and has high strength, and the strength of some is 20 times that of general screw, and can bear 2.5 times high-strength overload use;

[0003] The existing ring pull screw is usually used to fix color steel plate when setting up simple outdoor display stand, and some decorative articles or fixed wires can be pulled by the ring, but in actual use, the following problems exist, such as the length of the ring cannot be effectively adjusted, leading to the position of the wire being not correct when fixing the wire, forcibly fixing, the tension of the cable is affected, the wire is rubbed on the surface of the ring, thereby damaging the wire and causing trouble to the staff, therefore, the self-drilling head part with ring pull screw is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide self-drilling head part with ring pull screw, which achieves the function of adjustment.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme, self-drilling head part with ring pull screw, including screw body, the inner cavity of screw body is provided with thread groove, the surface of thread groove is connected with threaded column in screw thread, one side of threaded column is fixedly connected with ring body.

[0008] As a preferred scheme, the both ends of screw body right side are fixedly connected with limiting block, the inner cavity of limiting block is inserted with limiting pin.

[0009] Through the above technical scheme, the threaded column is fixed by limiting block and limiting pin, so that self-rotation of the threaded column is avoided during screwing the screw body, thereby improving the stability of the threaded column in use.

[0010] As a preferred scheme, the surface of threaded column is provided with insertion hole, and the surface of limiting pin is inserted into the inner cavity of insertion hole.

[0011] Through the above technical scheme, the limiting pin is inserted through the insertion hole.

[0012] As a preferred scheme, the surface of the limiting block is provided with a through hole, and the surface of the limiting pin is inserted into the inner wall of the through hole.

[0013] Through the above technical scheme, the stability of the insertion of the limiting pin is improved through the through hole.

[0014] As a preferred scheme, one side of the limiting pin is threadedly connected with a nut, and one side of the nut is attached to the surface of the limiting block.

[0015] Through the above technical scheme, the limiting pin is fixed through the nut, so that the limiting pin is prevented from falling off during the static process.

[0016] As a preferred scheme, the surface of the screw body is coated with a rust-resistant coating, and the diameter and radius of the rust-resistant coating are consistent with the diameter and radius of the screw body.

[0017] Through the above technical scheme, the screw body is protected against rust through the rust-resistant coating, so that the screw body is prevented from rusting for a long time when used outdoors and when encountering rain, thereby prolonging the service life of the screw body.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the self-drilling head with a pull ring screw has the following beneficial effects.

[0020] 1. The threaded groove can make the threaded column rotate in the inner cavity, and when the threads on the surface of the threaded groove and the threads on the surface of the threaded column are in threaded connection, the threaded column can move when it rotates, such as moving inward when the threaded column rotates forward, and moving outward when the threaded column reverses, which can drive the pull ring body to move, effectively adjust the length of the pull ring body, and improve the use efficiency of the pull ring body.

[0021] 2. The limiting block and the limiting pin can fix the threaded column, prevent the threaded column from rotating during the rotation of the screw body, improve the stability of the threaded column, fix the limiting pin through the nut, prevent the limiting pin from falling off during the static process, and protect the screw body against rust through the rust-resistant coating, so that the screw body is prevented from rusting for a long time when used outdoors and when encountering rain, thereby prolonging the service life of the screw body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model structural schematic drawing is provided.

[0023] Figure 2 It is the screw body structure sectional view of the utility model;

[0024] Figure 3 It is the thread column structure sectional view of the utility model;

[0025] Figure 4 It is the schematic diagram of the screw body structure of the utility model.

[0026] In the drawing: 1, screw body; 2, limiting block; 3, limiting pin; 4, pull ring body; 5, nut; 6, thread groove; 7, insertion hole; 8, corrosion-resistant coating; 9, threaded column. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model

[0028] Embodiment 1;

[0029] Please refer to Figures 1-3 The utility model discloses: self-drilling head with pull ring screw, including screw body 1, the inner cavity of screw body 1 is provided with thread groove 6, the surface of thread groove 6 is threadedly connected with threaded column 9, one side of threaded column 9 is fixedly connected with pull ring body 4.

[0030] Through the above technical scheme, through thread groove 6, threaded column 9 can rotate in its inner cavity, because the thread on the surface of thread groove 6 and the thread on the surface of threaded column 9 are in threaded connection, when threaded column 9 rotates, it can move, for example, when threaded column 9 rotates forward, it moves inward, and vice versa, when threaded column 9 reverses, it moves outward, through the outward movement of threaded column 9 by reversing, it is convenient to drive pull ring body 4 to move, can effectively adjust the length of pull ring body 4 in use, thereby improving the use efficiency of pull ring body 4.

[0031] Embodiment 2;

[0032] As Figure 4 Indicated, the surface of screw body 1 is coated with corrosion-resistant coating 8, the diameter and radius of corrosion-resistant coating 8 are consistent with the diameter and radius of screw body 1.

[0033] Through the above technical scheme, through corrosion-resistant coating 8, it is convenient to carry out corrosion-resistant protection to screw body 1, avoid screw body 1 long time in outdoor use, when encountering rain, long time makes itself rust, thereby improving the service life of screw body 1.

[0034] Embodiment 3;

[0035] As Figures 1-3 shown, the two ends of the screw body 1 right side are fixedly connected with the limiting blocks 2, the inner cavities of the limiting blocks 2 are inserted with the limiting pins 3, the surface of the threaded column 9 is provided with the insertion hole 7, the surface of the limiting pin 3 is inserted into the inner cavity of the insertion hole 7, the surface of the limiting block 2 is provided with the through hole, the surface of the limiting pin 3 is inserted into the inner wall of the through hole, the side of the limiting pin 3 is threadedly connected with the nut 5, and the side of the nut 5 is attached to the surface of the limiting block 2.

[0036] Through the above technical scheme, the limiting blocks 2 and the limiting pins 3 are used to limit and fix the threaded column 9, so that the threaded column 9 is prevented from rotating in the process of rotating the screw body 1, and the stability of the threaded column 9 is improved. The nut 5 is used to limit and fix the limiting pin 3, so that the limiting pin 3 is prevented from falling off in the process of being static.

[0037] The working principle of the utility model is: firstly, when the length of the pull ring body 4 needs to be adjusted, the user twists the nut 5 off the surface of the limiting pin 3 by using a wrench, then the limiting pin 3 is pulled out of the inner cavities of the limiting block 2 and the insertion hole 7, at this time, the limiting pressure of the threaded column 9 is eliminated, then the user holds the pull ring body 4 and reverses it, the threaded column 9 is driven to move in the inner cavity of the threaded groove 6 through the pull ring body 4, because the threads on the surface of the threaded groove 6 and the threads on the surface of the threaded column 9 are in threaded connection, when the threaded column 9 rotates, it can move, for example, when the threaded column 9 rotates forward, it moves inward, and vice versa, when the threaded column 9 reverses, it moves outward, the threaded column 9 reverses and moves outward, which drives the pull ring body 4 to move, so that the length of the pull ring body 4 can be effectively adjusted, and the use efficiency of the pull ring body 4 is improved. The rust-resistant coating 8 is coated on the surface of the screw body 1, which can protect the screw body 1 from rusting, and prevent the screw body 1 from rusting when it is used outdoors for a long time and encounters rain, thereby prolonging the service life of the screw body 1.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A self-drilling head with a ringed screw comprising a screw body (1), characterized in that: The inner cavity of the screw body (1) is provided with a thread groove (6), the surface of the thread groove (6) is threadedly connected with a threaded column (9), and one side of the threaded column (9) is fixedly connected with a pull ring body (4).

2. The self-drilling head screw with pull ring according to claim 1, characterized in that: The right side of the screw body (1) is fixedly connected with a limiting block (2) at both ends, and the inner cavity of the limiting block (2) is inserted with a limiting pin (3).

3. The self-drilling head screw with pull ring according to claim 2, characterized in that: The surface of the threaded column (9) is provided with a bushing (7), and the surface of the limiting pin (3) is inserted into the inner cavity of the bushing (7).

4. The self-drilling head screw with pull ring according to claim 2, characterized in that: The surface of the limiting block (2) is provided with a through hole, and the surface of the limiting pin (3) is inserted into the inner wall of the through hole.

5. The self-drilling head screw with pull ring according to claim 2, characterized in that: One side of the limiting pin (3) is threadedly connected with a nut (5), and one side of the nut (5) is attached to the surface of the limiting block (2).

6. The self-drilling head screw with pull ring according to claim 1, characterized in that: The surface of the screw body (1) is coated with a corrosion-resistant coating (8), and the diameter and radius of the corrosion-resistant coating (8) are consistent with the diameter and radius of the screw body (1).

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