Hexagonal cylindrical head combined screw capable of being quickly assembled

Abstract

The utility model discloses a hexagonal fillister head combination screw capable of being quickly assembled, which relates to the technical field of combination screws and comprises a screw body and a screw head which are integrally formed, the screw body is sequentially sleeved with an elastic gasket and a flat gasket, the elastic gasket and the flat gasket are both connected with sheets capable of falling off, and an inner groove is formed in the top of the screw head. A screw sleeve used for wrapping the screw head is arranged outside the screw head, and a protruding block which is the same as the inner groove in shape and size is arranged in the screw sleeve. The beneficial effects are that the elastic pad and the flat pad are respectively connected with the bonding sheet and the sleeving sheet to form an integral assembly, the assembly is kept in a combined state before assembly, scattering is avoided, rapid installation by workers is facilitated, the sheet is provided with an easy-to-break interface, and ending work can be completed by slightly pulling down the sheet by the workers after installation is completed; in the whole assembling process, installation is easy, operation is convenient, and working efficiency is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of combination screw technology, and in particular to a hexagonal cylindrical head combination screw that can be quickly assembled. Background Technology

[0002] Combination screws are composite fasteners that fasten a screw and a washer together. They are usually composed of a screw body, a spring washer or a flat washer, and the heads are mostly of common types such as cross-head, slotted, and hexagonal heads. The materials include stainless steel and carbon steel, and the surface can be treated with galvanizing, nickel plating or other treatments to enhance corrosion resistance. They are widely used in electronic equipment, machinery, furniture manufacturing, construction engineering and other fields, and are commonly used components for reliable connection in industrial production and daily maintenance.

[0003] In existing technologies, the assembly process of combination screws has many inconveniences. For example, components such as spring washers and flat washers are easily scattered during assembly and need to be installed separately, which increases assembly time and difficulty, especially in automated assembly lines or rapid assembly scenarios, resulting in low efficiency. The screw head has a simple structure and can usually only be used with one type of disassembly and assembly tool, which has poor versatility and limits the application scenarios. The screw head is exposed for a long time and is subject to corrosion from the external environment, which leads to rust or damage and shortens the service life of the screw. Utility Model Content

[0004] The purpose of this section is to provide a quick-assembly hexagonal cylindrical head combination screw that can improve the assembly efficiency of combination screws.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a quick-assembly hexagonal cylindrical head combination screw, including an integrally formed screw body and screw head, wherein the screw body is sequentially fitted with spring washers and flat washers, and each spring washer and flat washer is connected with a removable thin sheet, the top of the screw head has an inner groove, and the outside of the screw head is provided with a screw sleeve for wrapping the screw head, and the inside of the screw sleeve is provided with a protrusion with the same shape and size as the inner groove.

[0006] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, the thin sheet connected to the spring washer is an adhesive thin sheet, the thin sheet connected to the flat washer is a sleeve thin sheet, the outer wall of the flat washer is provided with an annular groove, and the sleeve thin sheet is sleeved in the annular groove.

[0007] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, wherein: the adhesive sheet has a serrated easy-tear line at one end near the spring washer, and when the adhesive sheet is subjected to a certain external force, the adhesive sheet breaks along the serrated easy-tear line.

[0008] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, wherein: one end of the sleeve plate fitted in the annular groove is made of rubber, and when the sleeve plate is subjected to a certain external force, the rubber collar located in the annular groove breaks off.

[0009] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, the adhesive sheet and the sleeve sheet are integrally formed and can be bent.

[0010] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, wherein: the screw body is connected to a nut, and the side wall of the nut is provided with uniformly arranged vertical lines.

[0011] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, the screw sleeve is made of rubber and the top of the screw sleeve is arc-shaped.

[0012] As a preferred embodiment of the quick-assembly hexagonal cylindrical head combination screw of this utility model, the inner groove is an internal hexagonal groove, a Torx groove, a slotted groove, or a combination of Torx and slotted grooves.

[0013] The beneficial effects of this utility model are:

[0014] 1. By connecting the spring pad and flat pad to the adhesive sheet and the sleeve sheet respectively, a whole component is formed, which keeps it in the combined state before assembly, avoids it from falling apart, and facilitates quick installation by workers. The sheet has a fragile interface, and after installation, the worker can simply pull off the sheet to complete the finishing work. The entire assembly process is simple to install and easy to operate, which significantly improves work efficiency.

[0015] 2. Various types of internal grooves are set on the top of the screw head, such as hexagonal grooves, Torx grooves, and slotted grooves, to make it compatible with various screwdrivers, meet the needs of different usage scenarios, reduce the frequency of tool replacement, and improve ease of use. The screw insert is made of rubber, which wraps around the screw head to protect it from rust or damage, isolates it from external environmental corrosion, reduces the risk of rust and damage, and improves the durability of the screw. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort or labor. Wherein:

[0017] Figure 1 and Figure 2This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the screw head and screw sleeve of this utility model;

[0019] Figure 4 This is a schematic diagram showing the folded state of the spring pad and flat pad of this utility model;

[0020] Figure 5 This is a schematic diagram of the flat state of the spring pad and flat pad of this utility model.

[0021] Figure 6 This is an enlarged structural schematic diagram of the elastic pad and adhesive sheet of this utility model;

[0022] Figure 7 This is an enlarged structural diagram of the flat gasket and the connecting sheet of this utility model.

[0023] Reference numerals in the attached diagram: 1. Screw body; 2. Screw head; 3. Screw sleeve; 4. Spring washer; 5. Flat washer; 6. Adhesive sheet; 7. Sleeve sheet; 8. Inner groove; 9. Protrusion; 10. Ring groove; 11. Nut; 12. Vertical groove. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more easily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. The term "embodiment" as used herein refers to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. Example

[0026] Reference Figures 1-7 This embodiment provides a quick-assembly hexagonal cylindrical head combination screw, specifically including an integrally formed screw body 1 and screw head 2. The screw body 1 is sequentially fitted with spring washers 4 and flat washers 5. Both spring washers 4 and flat washers 5 are connected to thin sheets that can be detached. The top of the screw head 2 has an inner groove 8. The outside of the screw head 2 is provided with a screw sleeve 3 for wrapping the screw head 2. The inside of the screw sleeve 3 is provided with a protrusion 9 that is the same shape and size as the inner groove 8.

[0027] The thin sheet connected to the spring pad 4 is an adhesive sheet 6, and the thin sheet connected to the flat pad 5 is a sleeve sheet 7. The outer wall of the flat pad 5 has an annular groove 10, and the sleeve sheet 7 is sleeved in the annular groove 10.

[0028] The adhesive sheet 6 has a serrated tear line at one end near the elastic pad 4. When the adhesive sheet 6 is subjected to a certain external force, the adhesive sheet 6 breaks along the serrated tear line.

[0029] The end of the sleeved sheet 7 that is fitted inside the annular groove 10 is made of rubber. When the sleeved sheet 7 is subjected to a certain external force, the rubber collar located in the annular groove 10 breaks off.

[0030] The adhesive sheet 6 and the sleeve sheet 7 are integrally formed and can be bent.

[0031] The screw body 1 is connected to a nut 11, and the side wall of the nut 11 is provided with evenly arranged vertical lines 12.

[0032] The threaded sleeve 3 is made of rubber, and the top of the threaded sleeve 3 is arc-shaped.

[0033] The inner groove 8 is an internal hexagonal groove, a plum blossom groove, a straight groove, or a combination of plum blossom and straight groove.

[0034] The thin sheet is made of wear-resistant and flexible plastic or metal sheet, which ensures that it is not easy to break during assembly and is easy to remove. The production cost of the thin sheet is low, the technical effect is significant, and the economic benefits are improved.

[0035] Spring pad 4 and flat pad 5 can be used individually or together. When used individually, the thin sheet makes it easy for workers to handle and prevents the pad from being lost due to its small size. When used together, the connection between the adhesive sheet 6 and the sleeve sheet 7 is integrally molded. When assembling, the worker folds the sheet in half from the middle so that the spring pad 4 and flat pad 5 fit together and their centers are almost aligned. Then, the whole assembly is inserted into the screw, which is convenient, quick, and improves work efficiency.

[0036] The various types of grooves 8 are suitable for different usage scenarios. The hexagonal groove is suitable for high torque applications, the Torx groove serves to prevent slippage, the slotted groove is suitable for simple tools, and the combination groove has multiple advantages to meet the needs of different users.

[0037] The rubber insert 3 can prevent the screw head 2 from rusting and also plays a certain role in cushioning, reducing bumps in complex working conditions and protecting the product surface from damage. The arc design at the top of the insert 3 enhances the overall aesthetics.

[0038] The vertical grooves 12 on the side wall of nut 11 are used to increase friction. In simple installation scenarios, nut 11 can be manually tightened or loosened to quickly complete the disassembly and assembly work.

[0039] Importantly, although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible without substantially departing from the subject matter described in this application, such as changes in the size, structure, shape, and proportion of various elements, as well as variations in temperature, pressure, installation arrangement, material use, color, orientation, etc.; for example, an element shown as integrally formed may be composed of multiple parts or elements, and the position of the elements may be inverted or otherwise altered; therefore, all such modifications should be included within the scope of this invention, and other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of this invention.

Claims

1. A quick-assembly hexagonal cylindrical head combination screw, characterized in that, It includes an integrally formed screw body (1) and screw head (2). The screw body (1) is fitted with a spring washer (4) and a flat washer (5) in sequence. The spring washer (4) and the flat washer (5) are connected with thin sheets that can be detached. The top of the screw head (2) is provided with an inner groove (8). The outside of the screw head (2) is provided with a screw sleeve (3) for wrapping the screw head (2). The inside of the screw sleeve (3) is provided with a protrusion (9) with the same shape and size as the inner groove (8).

2. The quick-assembly hexagonal cylindrical head combination screw as described in claim 1, characterized in that, The sheet connected to the elastic pad (4) is an adhesive sheet (6), and the sheet connected to the flat pad (5) is a sleeve sheet (7). The outer wall of the flat pad (5) is provided with an annular groove (10), and the sleeve sheet (7) is sleeved in the annular groove (10).

3. The quick-assembly hexagonal cylindrical head combination screw as described in claim 2, characterized in that, The adhesive sheet (6) has a serrated tear line at one end near the elastic pad (4). When the adhesive sheet (6) is subjected to a certain external force, the adhesive sheet (6) breaks along the serrated tear line.

4. The quick-assembly hexagonal cylindrical head combination screw as described in claim 2, characterized in that, The end of the sleeve (7) that is fitted into the annular groove (10) is made of rubber. When the sleeve (7) is subjected to a certain external force, the rubber collar in the annular groove (10) breaks off.

5. The quick-assembly hexagonal cylindrical head combination screw as described in claim 2, characterized in that, The adhesive sheet (6) and the sleeve sheet (7) are integrally formed and can be bent.

6. The quick-assembly hexagonal cylindrical head combination screw as described in claim 1, characterized in that, The screw body (1) is connected to a nut (11), and the side wall of the nut (11) is provided with evenly arranged vertical lines (12).

7. The quick-assembly hexagonal cylindrical head combination screw as described in claim 1, characterized in that, The threaded sleeve (3) is made of rubber, and the top of the threaded sleeve (3) is arc-shaped.

8. The quick-assembly hexagonal cylindrical head combination screw as described in claim 1, characterized in that, The inner groove (8) is an inner hexagonal groove, a plum blossom groove, a straight groove, or a combination of plum blossom and straight groove.

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