CN213270659U

CN213270659U - Spring structure type cross large flat head machine screw

Info

Publication number: CN213270659U
Application number: CN202022171878.5U
Authority: CN
Inventors: 张跃
Original assignee: Suzhou Zhongyuecheng Precision Machinery Co ltd
Current assignee: Suzhou Zhongyuecheng Precision Machinery Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-25
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a big flat head of spring structure type cross machine screw, concretely relates to screw technical field, including nail body and end, the top of nail body is provided with the end, the inside top of end is provided with the mounting structure of being convenient for, the outside of nail body and end is provided with wear-resisting structure respectively, the outside top of nail body is provided with the compact structure, the compact structure includes compression spring. The utility model discloses a be provided with the wearing layer, wear-resistant coating, carbamate paint and diamond coating, nail body and end use the back for a long time, the outside of nail body and end rusts easily, the inside diamond coating of wearing layer can be protected nail body and end, it is difficult to back out to prevent that nail body and end from rustting, the inside wear-resistant coating of wearing layer and carbamate paint can reduce nail body and end external wear, it can not use seriously to prevent nail body and end external wear, carbamate paint and wear-resistant coating can increase the life of nail body.

Description

Spring structure type cross large flat head machine screw

Technical Field

The utility model relates to the technical field of screws, specifically a big flat head machine screw of spring structure type cross.

Background

The screw is usually installed and fixed to some objects through rotation and friction, the screw is one of the most fastened objects, the screw can be divided into various types, the cross large flat-head machine screw is widely used, and some problems of the existing cross large flat-head machine screw are not solved.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional cross large flat head machine screw has small stress area, insufficient compression strength and low practicability;

(2) the traditional cross large flat head machine is inconvenient to install, too slow in installation process, time-consuming, labor-consuming and low in working efficiency;

(3) the surface of the screw of the traditional cross large flat head machine is easy to wear and rust, and the service life of the screw is easy to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big flat head machine screw of spring structure type cross to propose the not strong problem of practicality in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cross large flat head machine screw with a spring structure comprises a screw body and an end head, wherein the end head is arranged at the top end of the screw body, a structure convenient to mount is arranged at the top end inside the end head, wear-resistant structures are respectively arranged outside the screw body and the end head, and a compression structure is arranged at the top end outside the screw body;

the compression structure comprises a compression spring, the compression spring is arranged on the top end outside the nail body, the bottom end and the top end of the compression spring are respectively and fixedly connected with a first connecting block and a second connecting block, and reinforcing ribs are arranged inside the nail body.

Preferably, the reinforcing ribs are arranged in a plurality of groups, and the reinforcing ribs are arranged in the nail body at equal intervals.

Preferably, the installation structure of being convenient for comprises standing groove, magnet, pull rod, installation piece and mounting groove, the mounting groove sets up the central point department of putting on the end top, the outside of mounting groove is provided with the installation piece, the standing groove sets up the inside of end, the inside of standing groove is provided with magnet, the one end of magnet is provided with the pull rod.

Preferably, the inside of the mounting groove is cross-shaped, and the shape of the mounting block is pentagonal.

Preferably, wear-resisting structure comprises wearing layer, wear-resisting coating, carbamate paint and diamond coating, the wearing layer sets up the outside at nail body and end respectively, the inside bottom of wearing layer is provided with diamond coating, the inside top of wearing layer is provided with wear-resisting coating, be provided with carbamate paint between wear-resisting coating and the diamond coating.

Preferably, the wear resistant coating and the diamond coating are equal in thickness.

Compared with the prior art, the beneficial effects of the utility model are that: the spring structure type cross large flat head machine screw not only realizes the increase of the compression strength of the screw and the convenient installation, but also realizes the surface wear resistance of the screw;

(1) the reinforcing rib, the first connecting block, the compression spring and the second connecting block are arranged, the first connecting block and the second connecting block are arranged at the top end outside the nail body, the contact surface between the nail body and an object can be increased by the first connecting block and the second connecting block, so that the contact surface between the nail body and the object is widened, the stress intensity is improved, the compression spring between the first connecting block and the second connecting block can provide certain pre-pressing force for the first connecting block and the second connecting block, the effect of compression and looseness prevention is achieved, and the reinforcing rib inside the nail body can increase the hardness of the nail body to prevent the nail body from being bent;

(2) the magnet in the placing groove can adsorb a screwdriver in the mounting groove during mounting, the magnet can prevent the screwdriver from sliding when the screwdriver is screwed in the mounting groove, when the screwdriver is short in the mounting field, a wrench can be placed outside the mounting block, the wrench is screwed to mount the nail body, the pull rod can be pulled after mounting is completed, the magnet is taken out from the inside of the placing groove through the pull rod, the magnet can be reused, and cost is reduced;

(3) through being provided with the wearing layer, wear-resistant coating, carbamate paint and diamond coating, nail body and end use the back for a long time, the outside of nail body and end rusts easily, the diamond coating of wearing layer inside can protect nail body and end, it is difficult to back out to prevent that nail body and end from rustting, wear-resistant coating and carbamate paint inside the wearing layer can reduce nail body and end external wear, it is seriously unable to use to prevent nail body and end external wear, carbamate paint and wear-resistant coating can increase the life of nail body.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the end of the present invention;

FIG. 3 is a side view of the wear-resistant structure of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a nail body; 2. reinforcing ribs; 3. a first connection block; 4. a compression spring; 5. a tip; 6. the structure is convenient to mount; 601. a placement groove; 602. a magnet; 603. a pull rod; 604. mounting blocks; 605. mounting grooves; 7. a second connecting block; 8. a wear resistant structure; 801. a wear layer; 802. wear-resistant paint; 803. a urethane paint; 804. and (4) coating diamond.

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.

Example 1: referring to fig. 1-4, a cross large flat head machine screw with a spring structure comprises a screw body 1 and an end 5, wherein the end 5 is arranged at the top end of the screw body 1, a structure 6 convenient to mount is arranged at the top end inside the end 5, wear-resistant structures 8 are respectively arranged outside the screw body 1 and the end 5, and a compression structure is arranged at the top end outside the screw body 1;

referring to fig. 1-4, the spring structure type cross large flat head machine screw further comprises a pressing structure, the pressing structure comprises a pressing spring 4, the pressing spring 4 is arranged at the top end of the outer portion of the screw body 1, the bottom end and the top end of the pressing spring 4 are respectively and fixedly connected with a first connecting block 3 and a second connecting block 7, and a reinforcing rib 2 is arranged inside the screw body 1;

the reinforcing ribs 2 are arranged in a plurality of groups, and the reinforcing ribs 2 are arranged in the nail body 1 at equal intervals;

specifically, as shown in fig. 1, first connecting block 3 and second connecting block 7 set up on the outside top of nail body 1, first connecting block 3 and second connecting block 7 can increase the contact surface with the object, make the contact surface of nail body 1 and object widen, thereby improve the stress intensity, pressure spring 4 between first connecting block 3 and the second connecting block 7 can provide certain pre-compaction force for first connecting block 3 and second connecting block 7, reach and compress tightly locking effect, nail body 1 inside strengthening rib 2 can increase the hardness that nail body 1 prevents nail body 1 and bend.

Example 2: the mounting structure 6 is composed of a placing groove 601, a magnet 602, a pull rod 603, a mounting block 604 and a mounting groove 605, wherein the mounting groove 605 is arranged at the center position of the top end of the end head 5, the mounting block 604 is arranged outside the mounting groove 605, the placing groove 601 is arranged inside the end head 5, the magnet 602 is arranged inside the placing groove 601, and the pull rod 603 is arranged at one end of the magnet 602;

the inside of the mounting groove 605 is cross-shaped, and the shape of the mounting block 604 is pentagonal;

specifically, as shown in fig. 1, 2 and 4, in the magnet 602 inside the placement groove 601, the magnet 602 can adsorb a screwdriver inside the installation groove 605 during installation, the magnet 602 can prevent the screwdriver from sliding when the screwdriver is screwed inside the installation groove 605, when the screwdriver is not available in the installation site, a wrench can be placed outside the installation block 604, the wrench is screwed to install the nail body 1, the pull rod 603 can be pulled after installation is completed, the magnet 602 can be taken out of the placement groove 601 through the pull rod 603, and the magnet 602 can be reused, so that the cost is reduced.

Example 3: the wear-resistant structure 8 is composed of a wear-resistant layer 801, a wear-resistant coating 802, a urethane paint 803 and a diamond coating 804, the wear-resistant layer 801 is respectively arranged outside the nail body 1 and the end 5, the diamond coating 804 is arranged at the bottom end inside the wear-resistant layer 801, the wear-resistant coating 802 is arranged at the top end inside the wear-resistant layer 801, and the urethane paint 803 is arranged between the wear-resistant coating 802 and the diamond coating 804;

the thicknesses of the wear-resistant coating 802 and the diamond coating 804 are equal;

specifically, as shown in fig. 1 and 2, after the nail body 1 and the end 5 are used for a long time, the exterior of the nail body 1 and the end 5 are easy to rust, the diamond coating 804 inside the wear-resistant layer 801 can protect the nail body 1 and the end 5, the nail body 1 and the end 5 are prevented from rusting and being difficult to screw out, the wear-resistant paint 802 and the urethane paint 803 inside the wear-resistant layer 801 can reduce the external wear of the nail body 1 and the end 5, the nail body 1 and the end 5 are prevented from being seriously worn and cannot be used, and the urethane paint 803 and the wear-resistant paint 802 can prolong the service life of the nail body 1.

The working principle is as follows: the utility model discloses when using, at first, first connecting block 3 and second connecting block 7 set up on the top of nail body 1 outside, first connecting block 3 and second connecting block 7 can increase the contact surface with the object, make the contact surface of nail body 1 and object widen, thereby improve the stress intensity, pressure spring 4 between first connecting block 3 and the second connecting block 7 can provide certain packing force in advance for first connecting block 3 and second connecting block 7, reach and compress tightly locking effect, the hardness that 1 inside strengthening rib 2 of nail body can increase nail body 1 prevents nail body 1 and bends.

Then, the magnet 602 in the placing groove 601 can adsorb a screwdriver in the installing groove 605 during installation, the magnet 602 can prevent the screwdriver from sliding when the screwdriver is screwed in the installing groove 605, when the screwdriver is not used in the installing site, a wrench can be placed outside the installing block 604, the wrench is screwed to install the nail body 1, the pull rod 603 can be pulled after installation is completed, the magnet 602 can be taken out from the placing groove 601 through the pull rod 603, and the magnet 602 can be reused, so that the cost is reduced.

Finally, after the nail body 1 and the end 5 are used for a long time, the outside of the nail body 1 and the end 5 is easy to rust, the diamond coating 804 in the wear-resistant layer 801 can protect the nail body 1 and the end 5, the nail body 1 and the end 5 are prevented from rusting and are difficult to screw out, the wear-resistant coating 802 and the urethane paint 803 in the wear-resistant layer 801 can reduce the external wear of the nail body 1 and the end 5, the nail body 1 and the end 5 are prevented from being seriously worn and cannot be used, and the urethane paint 803 and the wear-resistant coating 802 can prolong the service life of the nail body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a big flat head machine screw of spring structure type cross, includes nail body (1) and end (5), its characterized in that: an end head (5) is arranged at the top end of the nail body (1), a structure (6) convenient to mount is arranged at the top end inside the end head (5), wear-resistant structures (8) are respectively arranged outside the nail body (1) and the end head (5), and a compression structure is arranged at the top end outside the nail body (1);

the utility model discloses a nail structure, including nail body (1), hold-down structure includes pressure spring (4), pressure spring (4) set up on the outside top of nail body (1), the bottom and the top of pressure spring (4) are first connecting block (3) of fixedly connected with and second connecting block (7) respectively, the inside of nail body (1) is provided with strengthening rib (2).

2. The spring structure type cross large flat head machine screw according to claim 1, characterized in that: the reinforcing ribs (2) are arranged in a plurality of groups, and the reinforcing ribs (2) are arranged in the nail body (1) at equal intervals.

3. The spring structure type cross large flat head machine screw according to claim 1, characterized in that: the convenient installation structure (6) is composed of a placing groove (601), a magnet (602), a pull rod (603), an installation block (604) and an installation groove (605), wherein the installation groove (605) is arranged at the center of the top end of the end head (5), the installation block (604) is arranged outside the installation groove (605), the placing groove (601) is arranged inside the end head (5), the magnet (602) is arranged inside the placing groove (601), and the pull rod (603) is arranged at one end of the magnet (602).

4. The cross large flat head machine screw with the spring structure as claimed in claim 3, characterized in that: the inside of the mounting groove (605) is cross-shaped, and the shape of the mounting block (604) is pentagonal.

5. The spring structure type cross large flat head machine screw according to claim 1, characterized in that: wear-resisting structure (8) comprise wearing layer (801), wear-resisting coating (802), carbamate paint (803) and diamond coating (804), wearing layer (801) sets up the outside at nail body (1) and end (5) respectively, the inside bottom of wearing layer (801) is provided with diamond coating (804), the inside top of wearing layer (801) is provided with wear-resisting coating (802), be provided with carbamate paint (803) between wear-resisting coating (802) and diamond coating (804).

6. The spring structure type cross large flat head machine screw according to claim 5, characterized in that: the wear-resistant coating (802) and the diamond coating (804) are equal in thickness.