CN221257388U - Square head step screw - Google Patents

Abstract

The utility model discloses a square head step screw, which relates to the technical field of square head screws and comprises round screw heads and screw bodies, wherein the screw bodies are fixedly arranged at the lower end parts of the round screw heads, fixing mechanisms which are convenient for the screw bodies to use and position are arranged on the round screw heads, each fixing mechanism comprises a square connecting piece, a positioning rod and a sucker, the upper end parts of the square connecting pieces are penetrated and provided with fixing grooves, the round screw heads are fixedly arranged on the inner side walls of the fixing grooves, and the two positioning rods are fixedly arranged at the end parts of the two sides of the square connecting pieces. According to the utility model, the plurality of raised rubber blocks are arranged below the fixing pad, so that the friction force between the fixing pad and the horizontal plane is enhanced by the rubber blocks, the round screw head is limited and fixed in an auxiliary manner, and the screw body is further fixed by matching with the sucking disc, so that the stability of the screw body in use is ensured.

Description

Square head step screw

Technical Field

The utility model relates to the technical field of square head screws, in particular to a square head step screw.

Background

A square head stepped screw is a screw commonly used for fixation. The head of the device has four planes, the shape of which is similar to a square, and can provide better gripping force and fixing force. The square-head step screw is usually made of stainless steel or galvanized steel, has good corrosion resistance and strength, and is commonly used for fixing workpieces in the production of new energy automobiles.

However, in the implementation process of the technical scheme, at least the following technical problems are found: in the use of the existing screw, after the new energy automobile uses the screw to install the component, the new energy automobile can lead to screw live wire loosening for a long time due to the shaking and vibration of the automobile body in running, and the stability of the new energy automobile on workpiece fixation is affected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a square-head step screw, which solves the technical problems that when the existing screw body is used, after a new energy automobile is assembled by using the screw body, the new energy automobile is driven, the screw body is loosened due to shaking and vibration of the automobile body for a long time, and the stability of the screw body to workpiece fixation is affected.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a square head step screw, includes circular spiral shell head and screw body, screw body fixed mounting is at the lower tip of circular spiral shell head, be equipped with the fixed establishment that the screw body of being convenient for uses the location on the circular spiral shell head, fixed establishment includes square connecting piece, locating lever and sucking disc, the fixed slot has been seted up in the upper end penetration of square connecting piece, circular spiral shell head fixed mounting is at the inside wall of fixed slot, the quantity of locating lever is two, two locating levers are all fixed mounting at the both sides tip of square connecting piece, the cross draw-in groove has been seted up to the upper end of circular spiral shell head, the lower tip fixed mounting of square connecting piece has the fixed bolster, the lower tip fixed mounting of fixed bolster has two at least rubber pieces, every the rubber piece is the equidistance and arranges, two the both sides tip of locating lever is fixed mounting has the side lever, two the equal fixed mounting of side lever is at the side tip of square connecting piece,

Preferably: the number of the sucking discs is four.

Preferably: the sucking discs are two groups, and each group of driving sucking discs are fixedly arranged at the lower end part of the positioning rod.

(III) beneficial effects

1. This device has set up the sucking disc through the below at the locating lever, after tightly at screw hole with the screw body spiral shell, its sucking disc can adsorb with the horizontal plane, and is spacing to the square connecting piece, and then carries out spacingly to circular spiral shell head, avoids it to receive the phenomenon that vibrations probably sent out the life silk.

2. This device has set up a plurality of bellied rubber blocks through the below at the fixed bolster, and the rubber block has strengthened the frictional force of fixed bolster and horizontal plane, and it is spacing fixed to assist carrying out the spacing to circular spiral shell head, and the cooperation sucking disc carries out further fixation to the screw body, guarantees the stability when the screw body uses.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a block diagram of a round screw head of the present utility model;

FIG. 2 is a block diagram of the screw body of the present utility model;

FIG. 3 is a block diagram of a locating lever of the present utility model;

FIG. 4 is a block diagram of the rubber block of the present utility model.

Legend description: 1. a round screw head; 11. a screw body; 12. a cross clamping groove; 2. square connecting pieces; 21. a fixing pad; 22. a rubber block; 23. a fixing groove; 3. a positioning rod; 31. a side bar; 32. and a sucking disc.

Detailed Description

According to the square-head step screw, the technical problem that the stability of the screw body 11 to workpiece fixation is affected due to loosening and vibration of a vehicle body for a long time possibly caused by shaking and vibration of the vehicle body when a new energy vehicle is driven after the screw body 11 is used for assembly installation in the existing screw body 11 is effectively solved, and the sucker 32 is arranged below the positioning rod 3, so that after the screw body 11 is screwed in a threaded hole, the sucker 32 can be adsorbed on a horizontal plane, the square connecting piece 2 is limited, and further the round screw head 1 is limited, and the phenomenon that the screw body is possibly subjected to vibration is avoided.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the technical scheme in the embodiment of the application is to effectively solve the technical problem that in the use of the existing screw body 11, after the new energy automobile is assembled by using the screw body 11, the screw body 11 is loosened due to the shaking and vibration of the automobile body for a long time in the running process of the new energy automobile, so as to influence the stability of the screw body 11 to the workpiece fixation, and the general thought is as follows: the utility model provides a square head step screw, including circular screw head 1 and screw body 11, screw body 11 fixed mounting is at the lower tip of circular screw head 1, be equipped with the fixed establishment that is convenient for screw body 11 to use the location on the circular screw head 1, fixed establishment includes square connecting piece 2, locating lever 3 and sucking disc 32, fixed slot 23 has been seted up in the upper end penetration of square connecting piece 2, circular screw head 1 fixed mounting is at the inside wall of fixed slot 23, when using screw body 11, the user can use the cross screwdriver to aim at cross draw-in groove 12 department on the circular screw head 1, aim at the screw hole with screw body 11, rotate the screwdriver and drive circular screw head 1 through cross draw-in groove 12 and rotate, circular screw head 1 rotates and drives screw body 11 and rotate into the screw inslot;

The number of the positioning rods 3 is two, the two positioning rods 3 are fixedly arranged at the two side end parts of the square connecting piece 2, the upper end part of the round screw head 1 is provided with a cross clamping groove 12, the lower end part of the square connecting piece 2 is fixedly provided with a fixed pad 21, the lower end part of the fixed pad 21 is fixedly provided with at least two rubber blocks 22, each rubber block 22 is equidistantly arranged, the round screw head 1 can drive the square connecting piece 2 to move downwards when moving downwards, the square connecting piece 2 moves downwards to drive the positioning rods 3 and the side rods 31 to move downwards, and when screwing the screw body 11 in a thread groove, the square connecting piece 2 drives the fixed pad 21 to be tightly attached to a horizontal plane at the moment, and a plurality of protruding rubber blocks 22 are arranged on the fixed pad 21, so that the friction force between the fixed pad 21 and the horizontal plane is increased;

The both sides tip of two locating lever 3 is all fixed mounting has side lever 31, the equal fixed mounting of two side levers 31 is at the side tip of square connecting piece 2, the quantity of sucking disc 32 is four, sucking disc 32 is every two sets of, every group drives the equal fixed mounting of sucking disc 32 and is at the lower tip of locating lever 3, when square connecting piece 2 drives locating lever 3 downwardly moving, locating lever 3 can drive sucking disc 32 downwardly moving and horizontal plane and adsorb mutually to this further carries out spacingly to square connecting piece 2, avoids the new energy automobile to shake the screw body 11 live wire problem that leads to when driving probably to appear rocking.

According to the square-head step screw, the sucker 32 is arranged below the positioning rod 3, after the screw body 11 is screwed into the threaded hole, the sucker 32 can be adsorbed with a horizontal plane, the square connecting piece 2 is limited, the round screw head 1 is further limited, and the phenomenon that life wires possibly occur due to vibration is avoided.

Working principle:

When a user uses the screw body 11, the cross screwdriver can be used for aligning the cross clamping groove 12 on the round screw head 1, the screw body 11 is aligned with the threaded hole, the rotary screwdriver drives the round screw head 1 to rotate through the cross clamping groove 12, the round screw head 1 rotates to drive the screw body 11 to rotate and enter the threaded groove, the round screw head 1 moves downwards to drive the square connecting piece 2 to move downwards, the square connecting piece 2 moves downwards to drive the positioning rod 3 and the side rod 31 to move downwards, when the screw body 11 is screwed tightly in the threaded groove, at this time, the square connecting piece 2 drives the fixing pad 21 to be tightly attached to the horizontal plane, a plurality of protruding rubber blocks 22 are arranged on the fixing pad 21, the friction force between the fixing pad 21 and the horizontal plane is increased, and when the square connecting piece 2 drives the positioning rod 3 to move downwards, the positioning rod 3 drives the sucking disc 32 to be adsorbed with the horizontal plane, thereby further limiting the square connecting piece 2, the problem of the screw body 11 caused by shaking can occur when a new energy automobile runs, in the existing automobile body 11 is used, the new energy source is installed in the automobile body 11 to be tightly and the screw body is subjected to shaking motion by installing the new energy source assembly, the new energy source assembly can be adsorbed by the sucking disc 32 in the threaded hole is further, the fixing device is arranged in the threaded hole through the threaded groove, the fixing pad 32, the fixing device can be further is fixed by the fixing device is arranged in the round screw body through the fixing pad 32, and the fixing device is further influenced by the vibration device, and the vibration device is stable when the driving device is stable in the moving down can be moved by the moving down and the moving down moved in the driving device is stable moving front and can be moved in front and moved under the driving front and moved, the rubber block 22 enhances the friction force between the fixing pad 21 and the horizontal plane, assists in limiting and fixing the round screw head 1, and is matched with the sucker 32 to further fix the screw body 11, so that the stability of the screw body 11 in use is ensured.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (6)

1. The square-head step screw comprises a round screw head (1) and a screw body (11), wherein the screw body (11) is fixedly arranged at the lower end part of the round screw head (1), and is characterized in that a fixing mechanism which is convenient for the screw body (11) to use and position is arranged on the round screw head (1);

the fixing mechanism comprises a square connecting piece (2), a positioning rod (3) and a sucker (32), wherein a fixing groove (23) is formed in the upper end portion of the square connecting piece (2) in a penetrating mode;

wherein, the round screw head (1) is fixedly arranged on the inner side wall of the fixed groove (23);

The number of the positioning rods (3) is two, and the two positioning rods (3) are fixedly arranged at two side ends of the square connecting piece (2).

2. A square head stepped screw according to claim 1, wherein: the upper end part of the round screw head (1) is provided with a cross clamping groove (12);

Wherein, fixed pad (21) is fixed to the lower tip of square connecting piece (2).

3. A square head stepped screw according to claim 2, wherein: at least two rubber blocks (22) are fixedly arranged at the lower end part of the fixed pad (21);

Wherein each rubber block (22) is equidistantly arranged.

4. A square head stepped screw according to claim 3, wherein: side rods (31) are fixedly arranged at the end parts of two sides of the two positioning rods (3);

Wherein, both side rods (31) are fixedly arranged at the side ends of the square connecting piece (2).

5. A square head stepped screw according to claim 4, wherein: the number of the sucking discs (32) is four.

6. A square head stepped screw according to claim 5, wherein: the sucking discs (32) are arranged in groups of every two;

Wherein, each group of driving sucking discs (32) is fixedly arranged at the lower end part of the positioning rod (3).