CN213776022U

CN213776022U - Fastening type composite groove screw

Info

Publication number: CN213776022U
Application number: CN202022528306.8U
Authority: CN
Inventors: 李志君
Original assignee: Shenzhen Jinlijia Hardware Precision Technology Co Ltd
Current assignee: Shenzhen Jinlijia Hardware Precision Technology Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-23
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a compound groove screw of fastening type, including the screw end, one side fixed mounting of screw end has the lead screw, and compound groove has been seted up on the surface of screw end, and the outside of lead screw is provided with the screw thread, and the one end of lead screw is provided with the tip, and one side that the screw end is close to the lead screw is provided with fastening device. The utility model discloses a set up fastening device in one side of screw end near the lead screw, gasket and spring can strengthen the compact type when screw end is installed, join in marriage the setting with gasket surface evenly distributed's sand grip, frictional force between increase gasket and the object, thereby strengthen the fastening nature of screw installation, through being regular hexagon with the screw end setting, make the screw be applicable to the spanner, the cooperation setting of first recess and second recess makes the screw be applicable to the screwdriver of different models, thereby strengthen the application range of screw, the practicality of screw has been promoted.

Description

Fastening type composite groove screw

Technical Field

The utility model relates to a screw field specifically is a compound groove screw of fastening type.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles, and the like are used with screws of different sizes. The screw has an important task in industry, and as long as there is industry on earth, the function of the screw is always important. The screw is a common invention in production and life of people for thousands of years, and is the first invention of human according to the application field. The screw is mainly used for connecting two workpieces together and has the fastening function.

Most of the existing screws are single in structure, and the situation that the screws slide easily occurs in the using process, so that the installation tightness is low, and the practicability is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the composite trough screw of a fastening type.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound groove screw of fastening type, includes the screw end, one side fixed mounting of screw end has the lead screw, compound groove has been seted up on the surface of screw end, the outside of lead screw is provided with the screw thread, the one end of lead screw is provided with the tip, one side that the screw end is close to the lead screw is provided with fastening device.

Preferably, the screw end is arranged in a regular hexagon shape, and the composite groove comprises a first groove and a second groove.

Preferably, the first groove and the second groove are arranged in a cross shape, and the length of the first groove is greater than that of the second groove.

Preferably, the fastening mechanism comprises a gasket, one side of the gasket is provided with a convex strip, and the other side of the gasket is fixedly provided with a spring.

Preferably, the number of the convex strips is multiple and is uniformly distributed on the surface of the gasket.

Preferably, the through-hole has been seted up to the inside of gasket, the diameter of through-hole is greater than the diameter of screw rod, and the outside of screw rod is located to the gasket cover.

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

1. the utility model discloses a set up fastening device in one side of screw end near the lead screw, the tight type when gasket and spring can strengthen the screw end installation is joined in marriage the setting with gasket surface evenly distributed's sand grip, increases the frictional force between gasket and the object to strengthen the fastening nature of screw installation.

2. The utility model discloses a be regular hexagon with the screw end setting, make the screw be applicable to the spanner, the cooperation setting of first recess and second recess makes the screw be applicable to the screwdriver of different models to the application range of reinforcing screw has promoted the practicality of screw.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the gasket of the present invention.

In the figure: 1 screw end, 2 turnbuckles, 3 compound grooves, 31 first recess, 32 second recess, 4 screw threads, 5 cusps, 6 gaskets, 7 sand grip, 8 springs, 9 through-holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a fastening type composite groove screw includes a screw end 1, the screw end 1 is disposed in a regular hexagon shape, the screw is adapted to a wrench by disposing the screw end 1 in a regular hexagon shape, a screw shaft 2 is fixedly installed at one side of the screw end 1, a composite groove 3 is disposed on a surface of the screw end 1, the composite groove 3 includes a first groove 31 and a second groove 32, the first groove 31 and the second groove 32 are disposed in a cross shape, the length of the first groove 31 is greater than that of the second groove 32, the first groove 31 and the second groove 32 are cooperatively disposed, so that the screw is adapted to screwdrivers of different models, thereby enhancing a use range of the screw, improving a practicability of the screw, a thread 4 is disposed at an outer side of the screw shaft 2, a tip 5 is disposed at one end of the screw shaft 2, the tip 5 makes the screw more easily enter an object to be fixed, one side of the screw end 1 close to the screw rod 2 is provided with a fastening mechanism.

Please refer to fig. 1 and 3, the fastening mechanism includes a gasket 6, one side of the gasket 6 is provided with a convex strip 7, the number of the convex strips 7 is multiple, and evenly distributed on the surface of the gasket 6, the other side of the gasket 5 is fixedly provided with a spring 8, a through hole 9 is provided inside the gasket 5, the diameter of the through hole 9 is larger than the diameter of the screw rod 2, and the gasket 6 is sleeved on the outer side of the screw rod 2, one side of the screw end 1 close to the screw rod 2 is provided with the fastening mechanism, the gasket 5 and the spring 8 can enhance the tightness of the screw end 1 during installation, the convex strips 7 evenly distributed on the surface of the gasket 6 are matched, the friction force between the gasket 5 and the object is increased, and the tightness of the screw installation is enhanced.

The working principle is as follows: this compound groove screw of fastening type is when using, and the tight type when screw end 1 is installed can be strengthened to the gasket 5 and the spring 8 of the one side that is close to the lead screw 2 of screw end 1, and the sand grip 7 of 6 surperficial evenly distributed of gasket can increase the frictional force between gasket 5 and the object, strengthens the fastening nature of screw installation, and regular hexagon's screw end 1 makes the screw be applicable to the spanner, and first recess 31 and second recess 32 are applicable to the screwdriver of different models.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound groove screw of fastening type, includes screw end (1), one side fixed mounting of screw end (1) has screw pole (2), compound groove (3) have been seted up on the surface of screw end (1), the outside of screw pole (2) is provided with screw thread (4), the one end of screw pole (2) is provided with tip (5), its characterized in that: and a fastening mechanism is arranged on one side of the screw end (1) close to the screw rod (2).

2. A fastening type composite groove screw according to claim 1, wherein: the screw end (1) is arranged in a regular hexagon shape, and the composite groove (3) comprises a first groove (31) and a second groove (32).

3. A fastening type composite groove screw according to claim 2, wherein: the first groove (31) and the second groove (32) are arranged in a cross shape, and the length of the first groove (31) is larger than that of the second groove (32).

4. A fastening type composite groove screw according to claim 1, wherein: the fastening mechanism comprises a gasket (6), one side of the gasket (6) is provided with a convex strip (7), and the other side of the gasket (6) is fixedly provided with a spring (8).

5. The fastening type composite groove screw according to claim 4, wherein: the quantity of sand grip (7) is a plurality of, and evenly distributed in the surface of gasket (6).

6. The fastening type composite groove screw according to claim 4, wherein: through-hole (9) have been seted up to the inside of gasket (6), the diameter of through-hole (9) is greater than the diameter of lead screw (2), and the outside of lead screw (2) is located to gasket (6) cover.