CN213511601U

CN213511601U - Cross machine thread screw

Info

Publication number: CN213511601U
Application number: CN202022141102.9U
Authority: CN
Inventors: 杨志刚
Original assignee: Huizhou Suming Hardware Screw Co ltd
Current assignee: Huizhou Suming Hardware Screw Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-22
Anticipated expiration: 2030-09-26

Abstract

The utility model discloses a cross machine tooth screw, including installation lid, one-level connecting block, second grade connecting block, one-level machine tooth double-screw bolt and second grade machine tooth double-screw bolt, the inside central point of installation lid puts fixed mounting has the inner panel, be equipped with a plurality of evenly distributed's antiskid tooth on the installation lid outer wall, the installation is covered upper surface and lower surface central point and is put threaded hole, be equipped with the internal thread on the threaded hole inner wall, the upper end threaded hole is equipped with the one-level connecting block, the lower extreme threaded hole is equipped with the second grade connecting block, all be equipped with the external screw thread on one-level connecting block and the second grade connecting block outer wall, one-level connecting block and second grade: this kind of structural design's machine tooth screw, the bolt of two kinds of different diameters of its body portability to can be applicable to the hole in different apertures and use, have better performance, application range is extensive.

Description

Cross machine thread screw

Technical Field

The utility model relates to a screw technical field specifically is a cross machine tooth screw.

Background

The screw is a tool for fastening machine parts of a device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object, is an indispensable industrial necessity in daily life, has an important function as long as the earth has industry, is a common invention in production and life of people for hundreds of years, is the first invention of human beings according to the application field, but the existing machine tooth screw has a fixed general structure diameter and cannot carry bolts with various diameters when in use, so that the connection work of through holes with different apertures cannot be completed, and has certain use limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cross machine tooth screw to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cross machine tooth screw, is including installation lid, one-level connecting block, second grade connecting block, one-level machine tooth double-screw bolt and second grade machine tooth double-screw bolt, the inside central point of installation lid puts fixed mounting has the inner panel, be equipped with a plurality of evenly distributed's antiskid tooth on the installation lid outer wall, the installation is covered upper surface and lower surface central point and is put threaded hole, be equipped with the internal thread on the threaded hole inner wall, the upper end threaded hole is equipped with the one-level connecting block, the lower extreme threaded hole is equipped with the second grade connecting block, all be equipped with the external screw thread on one-level connecting block and the second grade connecting block outer wall.

Preferably, the first-level connecting block and the second-level connecting block are respectively provided with a second-level threaded hole and a third-level threaded hole on the outer surface of the end far away from the mounting cover, the second-level threaded holes are internally connected with first-level threaded columns, and the third-level threaded holes are internally connected with second-level threaded columns.

Preferably, the top end of the first-stage threaded column is fixedly provided with a first-stage machine thread stud, and the first-stage threaded column and the first-stage machine thread stud are designed into an integrated structure.

Preferably, a second-level machine thread stud is fixedly mounted at the top end of the second-level threaded column, the second-level threaded column and the second-level machine thread stud are in an integrally formed structural design, and the diameter of the second-level machine thread stud is smaller than that of the first-level machine thread stud.

Preferably, the mounting cover is internally provided with a stuffing box, and the centers of the upper and lower outer surfaces of the inner plate are provided with cross-shaped sinking grooves.

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

1. cover through the installation and be equipped with anti-skidding tooth, can carry out preliminary manual tightening work through the anti-skidding tooth that sets up, the installation effectiveness is improved, the installation lid through the setting can be similar to the nut and use, thereby guarantee the normal use of this machine tooth screw, when this machine tooth screw is applicable to great through-hole, can manual anticlockwise rotation second grade machine tooth double-screw bolt, thereby it is rotatory to make second grade machine tooth double-screw bolt drive second grade screw post, thereby make second grade screw post deviate from in the second grade connecting block, thereby accomplish the dismantlement, simultaneously at rotatory second grade connecting block, thereby accomplish the dismantlement work of second grade connecting block, the cross heavy groove that the inner panel lower extreme set up this moment exposes, install in the through-hole at the one-level machine tooth double-screw bolt with this screw, connect the screwdriver through the cross heavy groove and carry out clockwise tightening, thereby reach.

2. When this machine tooth screw is adapted to less through-hole, the same reason, manual anticlockwise rotation one-level machine tooth double-screw bolt, thereby it is rotatory to make one-level machine tooth double-screw bolt drive one-level screw post, thereby it deviates from in the one-level connecting block to make one-level screw post, thereby accomplish the dismantlement work of one-level machine tooth double-screw bolt, after the dismantlement is accomplished, rotatory one-level connecting block, thereby it deviates from the installation and covers the upper end to make one-level connecting block, accomplish the dismantlement work, the cross heavy groove that the inner panel upper end set up exposes this moment, install second grade machine tooth double-screw bolt screw thread in the through-hole, connect the screwdriver through the cross heavy groove and carry out clockwise tightening, thereby reach the effect of connection fastening, to sum up, this kind of structural design's machine tooth screw, the bolt of two kinds of different diameters of its body portability.

Drawings

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

FIG. 2 is an enlarged schematic view of the area A of the present invention;

fig. 3 is a schematic view of the upper surface structure of the mounting cover of the present invention.

In the figure: 1. installing a cover; 2. an inner plate; 3. anti-slip teeth; 4. a cross sink groove; 5. an internal thread; 6. a first-stage connecting block; 7. an external thread; 8. a first-stage threaded post; 9. a first-level machine thread stud; 10. a secondary connecting block; 11. a secondary threaded post; 12. a second-level machine thread stud; 13. a stuffing box; 14. a threaded bore.

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, the present invention provides a technical solution: the utility model provides a cross machine tooth screw, including installation lid 1, one-level connecting block 6, second grade connecting block 10, one-level machine tooth double-screw bolt 9 and second grade machine tooth double-

screw bolt

12, 1 inside central point of installation lid puts fixed mounting has inner panel 2, be equipped with a plurality of evenly distributed's antiskid tooth 3 on the installation lid 1 outer wall, can carry out preliminary manual tightening work through the antiskid tooth 3 that sets up, the installation efficiency is improved, 1 upper surface and lower surface central point put the set up screw hole 14 in the installation lid, be equipped with internal thread 5 on the 14 inner walls of screw hole 14, be equipped with one-level connecting block 6 in the screw hole 14 of upper end, be equipped with second grade connecting block 10 in the screw hole 14 of lower extreme, all be equipped with external screw thread 7 on one-level connecting block 6 and.

In this embodiment, the one-level connecting block 6 and the second grade connecting block 10 are far away from the outer surface of one end of the mounting cover 1 and are respectively provided with a second grade threaded hole 14 and a third grade threaded hole 14, the internal thread 5 of the second grade threaded hole 14 is connected with a first grade threaded column 8, and the internal thread 5 of the third grade threaded hole 14 is connected with a second grade threaded column 11.

In this embodiment, the top end of the primary threaded column 8 is fixedly provided with a primary machine threaded stud 9, and the primary threaded column 8 and the primary machine threaded stud 9 are designed as an integrated structure.

In this embodiment, the top end of the secondary threaded column 11 is fixedly provided with the secondary machine-tooth stud 12, the secondary threaded column 11 and the secondary machine-tooth stud 12 are designed into an integrally formed structure, and the diameter of the secondary machine-tooth stud 12 is smaller than that of the primary machine-tooth stud 9, so that the machine-tooth screw is provided with studs with two diameters, and the application range is widened.

In this embodiment, the inside stuffing box 13 that is equipped with of installation lid 1, can fill materials such as alloy steel or stainless steel through the stuffing box 13 that sets up to improve this installation lid 1's structural strength, outer surface central point puts all to be equipped with the heavy groove 4 of cross about inner panel 2, but through the heavy groove 4 of cross that sets up connect outside cross screwdriver, thereby conveniently screw up fixedly.

When in use, the installation cover 1 is provided with the anti-skid teeth 3, the initial manual tightening work can be carried out through the arranged anti-skid teeth 3, the installation efficiency is improved, the installation cover 1 can be used similar to a nut, thereby ensuring the normal use of the machine screw, when the machine screw is suitable for a larger through hole, the machine screw can manually rotate the secondary machine screw stud 12 anticlockwise, thereby leading the secondary machine screw stud 12 to drive the secondary screw stud 11 to rotate, leading the secondary screw stud 11 to be separated from the secondary connecting block 10, thereby completing the disassembly, and simultaneously rotating the secondary connecting block 10, thereby completing the disassembly work of the secondary connecting block 10, at the moment, the cross sink groove 4 arranged at the lower end of the inner plate 2 is exposed, the primary machine screw stud 9 of the screw is installed in the through hole, the screw driver is connected through the cross sink groove 4 for clockwise tightening, thereby achieving the connection and fastening effects, when this machine tooth screw is adapted to less through-hole, on the same hand, manual anticlockwise rotation one-level machine tooth double-screw bolt 9, thereby it is rotatory to make one-level machine tooth double-screw bolt 9 drive one-level screw post 8, thereby make one-level screw post 8 deviate from in the one-level connecting block 6, thereby accomplish the dismantlement work of one-level machine tooth double-screw bolt 9, after the dismantlement is accomplished, rotatory one-level connecting block 6, thereby make one-level connecting block 6 deviate from 1 upper end of installation lid, accomplish the dismantlement work, the sunken groove 4 of cross that the 2 upper ends of inner panel set up this moment exposes, install the 12 screw threads of second grade machine tooth double-screw bolt in the through the sunken groove 4 connection screwdriver of cross and carry out clockwise screwing.

Further, it should be noted that when the machine thread screw is produced, each machine thread screw can be provided with a plurality of mounting covers 1, so that after a certain machine thread stud is detached, another mounting cover 1 can be connected, thereby improving the service performance, reducing the material waste and the idle bolt, and improving the utilization rate.

To sum up, this kind of structural design's machine tooth screw, the bolt of two kinds of different diameters of its body portability to can be applicable to the hole in different apertures and use, have better performance, application range is extensive, simple structure, and is rationally distributed, is fit for using widely.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A cross machine thread screw is characterized by comprising an installation cover (1), a primary connecting block (6), a secondary connecting block (10), a primary machine thread stud (9) and a secondary machine thread stud (12), an inner plate (2) is fixedly arranged at the center position in the mounting cover (1), a plurality of anti-skid teeth (3) which are uniformly distributed are arranged on the outer wall of the mounting cover (1), the center positions of the upper surface and the lower surface of the mounting cover (1) are provided with threaded holes (14), an internal thread (5) is arranged on the inner wall of the threaded hole (14), a first-stage connecting block (6) is arranged in the threaded hole (14) at the upper end, a second-stage connecting block (10) is arranged in the threaded hole (14) at the lower end, the outer walls of the first-stage connecting block (6) and the second-stage connecting block (10) are both provided with external threads (7), the first-stage connecting block (6) and the second-stage connecting block (10) are in threaded connection with the mounting cover (1) through external threads (7).

2. The cross machine thread screw of claim 1, wherein: one-level connecting block (6) and second grade connecting block (10) keep away from and have seted up second grade screw hole (14) and tertiary screw hole (14) respectively on installation lid (1) one end surface, second grade screw hole (14) internal thread (5) are connected with one-level screw thread post (8), and tertiary screw hole (14) internal thread (5) are connected with second grade screw thread post (11).

3. The cross machine thread screw of claim 2, wherein: one-level screw thread post (8) top fixed mounting has one-level machine tooth double-screw bolt (9), one-level screw thread post (8) and one-level machine tooth double-screw bolt (9) are the design of integrated into one piece formula structure.

4. The cross machine thread screw of claim 2, wherein: the two-stage threaded stud is characterized in that a two-stage machine thread stud (12) is fixedly mounted at the top end of the two-stage threaded column (11), the two-stage threaded column (11) and the two-stage machine thread stud (12) are designed into an integrated structure, and the diameter of the two-stage machine thread stud (12) is smaller than that of the one-stage machine thread stud (9).

5. The cross machine thread screw of claim 1, wherein: the mounting cover (1) is internally provided with a stuffing box (13), and the center positions of the upper and lower outer surfaces of the inner plate (2) are provided with cross-shaped sinking grooves (4).