CN214578195U

CN214578195U - Screw with good tensile strength

Info

Publication number: CN214578195U
Application number: CN202120738684.0U
Authority: CN
Inventors: 黄玉铭
Original assignee: Guangdong Zhongmeng Industrial Co ltd
Current assignee: Guangdong Zhongmeng Industrial Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-02
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a screw that tensile strength is good, including the screw body, the screw body includes button head, hat band, fixed station, ladder pole, screw rod and pin fin, the post groove has been seted up at the button head middle part, and the inside sliding connection of post groove has the replacement post. The utility model discloses a screw body adopts the material to be SCM435-1, and screw body aftertreatment uses the various zinc of plating, it is high to realize hardness, tensile strength is big with yield strength, destroy characteristics such as torsion numerical value height, there is the locating piece through the equal fixed mounting in replacement post both sides, and the inside plum blossom groove that is provided with of replacement post, and plum blossom tank bottom end is doped with magnetic material, the replacement post, the locating piece constitutes the block with the post groove and is connected, can be through the installation replacement post before the fixed screw, make the screwdriver can screw the screw, the screwdriver adsorbs afterwards takes out the replacement post, the screw body is difficult to be dismantled, and can change the plum blossom head of smooth silk through changing the replacement post.

Description

Screw with good tensile strength

Technical Field

The utility model relates to a screw that tensile strength is good belongs to industry accessory technical field.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general term of a fastener, and the screw is an indispensable industrial necessity in daily life in a daily oral language: 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; the screw is used by large and small screws in combination, has an important task in industry, and has an important function all the time as long as the industry exists on the earth, so that the screw is a common invention in production and life of people for thousands of years, and is the first invention of human beings according to the application field.

The existing screw is convenient to mount and dismount, and in the face of some parts with high value, lawless persons can dismount the screw to steal the parts, so that the screw is good in fixing effect and poor in anti-theft performance, and the screw with good tensile strength is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a screw that tensile strength is good, the utility model discloses satisfying the screw stretch-proofing, preventing under the prerequisite such as torsional failure, can effectively prevent lawless persons to dismantle the screw in order to steal the spare part, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a screw that tensile strength is good, includes the screw body, the screw body includes button head, cap edge, fixed station, ladder pole, screw rod and pin fin, the post groove has been seted up at the button head middle part, and post inslot portion sliding connection has the replacement post.

Furthermore, locating blocks are fixedly mounted on two sides of the replacement column, an inner plum blossom groove is formed in the replacement column, and a magnetic material is doped at the bottom end of the inner plum blossom groove.

Further, the replacement column, the positioning block and the column groove form a clamping connection.

Furthermore, the round head, the hat brim, the fixed platform, the step rod, the screw rod and the nail head are integrally formed.

Further, the two sides of the fixed table are both formed with flat surfaces through cutting, and the middle part of the stepped rod is provided with a ring groove.

Further, the screw body is made of SCM435-1, and the screw body is subjected to post-treatment by using electroplated color zinc.

The utility model discloses a technological effect and advantage:

1. the screw body adopts the material SCM435-1, and the screw body is processed by plating color zinc, the round head, the cap edge, the fixed platform, the step rod, the screw rod and the pin head are integrally formed, so that the characteristics of high hardness, high tensile strength and yield strength, high breaking torque value and the like can be realized;

2. the utility model discloses an equal fixed mounting in replacement post both sides has the locating piece, and the inside plum blossom groove in being provided with of replacement post to plum blossom tank bottom end has doped magnetic material, and replacement post, locating piece constitute the block with the post groove and are connected, can make the screwdriver screw through the installation replacement post before the setscrew, and the screwdriver adsorbs afterwards and takes out the replacement post, and the screw body is difficult for being dismantled, and can change the plum blossom head of smooth silk through changing the replacement post.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an enlarged view of fig. 2 a according to the present invention;

fig. 5 is a schematic view of the connection structure of the replacement pillar and the pillar groove of the present invention.

Reference numbers in the figures: 1. a screw body; 101. a column groove; 2. a round head; 3. a hat brim; 4. a fixed table; 401. leveling the surface; 5. a step bar; 501. a ring groove; 6. a screw; 7. a nail head; 8. replacing the column; 801. positioning blocks; 802. the inner plum blossom groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-5, a screw with good tensile strength comprises a screw body 1, the screw body 1 comprises a round head 2, a cap edge 3, a fixed platform 4, a stepped rod 5, a screw rod 6 and a screw head 7, the round head 2, the cap edge 3, the fixed platform 4, the stepped rod 5, the screw rod 6 and the screw head 7 are integrally formed, the screw body 1 is made of SCM435-1, the screw body 1 is plated with color zinc after post-treatment, the hardness can reach CLASS 8.8, the minimum tensile strength reaches 800Mpa, the minimum yield strength is 640Mpa, the damage torque is not lower than 4Kgf/mm, the color zinc is plated to prevent the screw body 1 from being rusted, flat surfaces 401 are formed on both sides of the fixed platform 4 by cutting, a ring groove 501 is formed in the middle of the stepped rod 5, a column groove 101 is formed in the middle of the round head 2, a replacement column 8 is slidably connected in the column groove 101, positioning blocks 801 are fixedly installed on both sides of the replacement column 8, replacement post 8 passes through locating piece 801 to be installed inside post groove 101 and with post groove 101 block, and replacement post 8 is inside to be provided with interior plum blossom groove 802, and interior plum blossom groove 802 bottom is doped with magnetic material, replacement post 8, locating piece 801 constitutes the block with post groove 101 and is connected, through installation replacement post 8 before the fixed screw body 1, make the screwdriver can twist interior plum blossom groove 802 of commentaries on classics, thereby screw body 1, the screwdriver takes out replacement post 8 through magnetic adsorption afterwards, only post groove 101 is left at screw body 1 middle part, make screw body 1 difficult quilt dismantle, and when the plum blossom head had the smooth silk condition to appear, can solve through changing replacement post 8, need not to change screw body 1.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: the round head 2, the hat brim 3, the fixed platform 4, the step rod 5, the screw rod 6 and the nail head 7 are integrally formed, after being cut by a lather, the two sides of the fixed platform 4 are flattened to form a flat surface 401 and dig a ring groove 501, the surface of the screw rod 6 is provided with threads, when in use, the replacing column 8 is arranged in the column groove 101 through the positioning block 801 and is clamped with the column groove 101, the replacing column 8 is arranged before the screw body 1 is fixed, so that the screwdriver can screw the inner quincuncial groove 802, thereby screwing the screw body 1, then taking out the replacement column 8 by the screwdriver through magnetic adsorption, only leaving the column groove 101 in the middle of the screw body 1, ensuring that the screw body 1 is not easy to be disassembled, and when the plum blossom head has the condition of sliding thread, can solve through changing replacement post 8, need not to change screw body 1, the utility model discloses satisfying the screw stretch-proofing, preventing under the prerequisite such as torsional force destruction, can effectively preventing lawless persons to dismantle the screw in order to steal the spare part.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a screw that tensile strength is good, includes screw body (1), its characterized in that: the screw body (1) comprises a round head (2), a cap edge (3), a fixing platform (4), a stepped rod (5), a screw rod (6) and a nail head (7), a column groove (101) is formed in the middle of the round head (2), and a replacement column (8) is slidably connected to the inside of the column groove (101).

2. The screw with good tensile strength according to claim 1, wherein: locating blocks (801) are fixedly mounted on two sides of the replacement column (8), an inner quincuncial groove (802) is formed in the replacement column (8), and magnetic materials are doped at the bottom end of the inner quincuncial groove (802).

3. A screw having good tensile strength according to claim 2, wherein: the replacement column (8) and the positioning block (801) are connected with the column groove (101) in a clamping manner.

4. The screw with good tensile strength according to claim 1, wherein: the round head (2), the hat edge (3), the fixed platform (4), the step rod (5), the screw rod (6) and the nail head (7) are integrally formed.

5. The screw with good tensile strength according to claim 1, wherein: fixed station (4) both sides all are formed with planishing face (401) through the cutting, annular (501) have been seted up in stair pole (5) middle part.

6. The screw with good tensile strength according to claim 1, wherein: the screw body (1) is made of SCM435-1, and the screw body (1) is subjected to post-treatment by electroplating with color zinc.