CN214945604U

CN214945604U - Round head washer hexagonal screw

Info

Publication number: CN214945604U
Application number: CN202120314029.2U
Authority: CN
Inventors: 董林; 刘维杰
Original assignee: Xinge Hardware Industry Kunshan Co ltd
Current assignee: Xinge Hardware Industry Kunshan Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-30
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a button head china department hexagonal screw, including circular coiled hair and screw thread portion, be equipped with the ware type between coiled hair and the screw thread portion, the diameter of ware type is greater than the diameter of screw thread portion and being less than the diameter of coiled hair, the ware type is pressed close to an annular groove has been seted up to coiled hair one side, the cover is equipped with a china department on the recess, the internal diameter of china department is less than the maximum diameter of ware type, just a side of china department can with the stationary plane of coiled hair is hugged closely. The beneficial effects of the utility model are mainly embodied in that: the design is exquisite, and the china department is installed on the dish type, and the china department can not drop, can directly lock female member into, improves the packaging efficiency, reduces the loss of china department, raises the cost.

Description

Round head washer hexagonal screw

Technical Field

The utility model relates to a fastener technical field particularly, especially relates to a bulb china department hexagonal screw.

Background

The fastener is a general name of a kind of mechanical parts used when two or more parts (or components) are fastened and connected into a whole, is widely applied to various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, instruments, chemical engineering, instruments, supplies and the like, and has the characteristics of various types and specifications, various performance purposes and extremely high standardization, serialization and universalization degrees.

The existing hexagonal screw has some problems in use, the screw and the washer need to be assembled together firstly during installation, and then the product is locked into the female part, so that the operation error rate is high, the loss rate of the washer is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a button head china department hexagonal screw.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a button head china department hexagonal screw, includes circular coiled hair and screw thread portion, be equipped with the ware type between coiled hair and the screw thread portion, the diameter of ware type is greater than the diameter of screw thread portion and be less than the diameter of coiled hair, the ware type is pressed close to an annular groove has been seted up to coiled hair one side, the cover is equipped with a china department on the recess, the internal diameter of china department is less than the maximum diameter of ware type, just a side of china department can with the stationary plane of coiled hair is hugged closely.

Preferably, the washer is sleeved with the small-diameter end on the groove and the large-diameter end on the small-diameter end, the small-diameter end and the large-diameter end are integrally formed, and the thickness of the small-diameter end is smaller than that of the large-diameter end.

Preferably, the periphery of the washer close to one side of the pan head is an arc chamfer.

Preferably, the dish-shaped part comprises an outer convex part with a sharp angle and connecting surfaces arranged on two sides of the outer convex part, the connecting surfaces are planes, and the diameter of the connecting surfaces is smaller than that of the outer convex part.

Preferably, all the axial directions of the thread part are provided with threads, and the threads are one of common threads, single-thread threads, double-thread threads, high-low threads and MS bolt threads.

Preferably, the distance between the threads is 1.2-1.8 mm.

Preferably, a slotted hole is formed in one side, far away from the fixing surface, of the pan head, and the slotted hole is one of a cross slotted hole, a straight slotted hole, a triangular slotted hole, a hexagonal slotted hole, a Y-shaped slotted hole, an H-shaped slotted hole, a plum-blossom slotted hole or a square slotted hole.

Preferably, the threaded portion is made of stainless steel materials, and the pan head is made of magnetic materials.

The beneficial effects of the utility model are mainly embodied in that: the design is exquisite, and the china department is installed on the dish type, and the china department can not drop, can directly lock female member into, improves the packaging efficiency, reduces the loss of china department, raises the cost.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: the utility model discloses preferred embodiment's cross-sectional view.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the utility model discloses a button head china department hexagonal screw, including coiled hair 1 and screw portion 2, be equipped with utensil type 3 between coiled hair 1 and the screw portion 2, utensil type 3, coiled

hair

1 and 2 three integrated into one piece of screw portion, this connection structure are prior art, do not do too much to describe here again.

In this preferred embodiment, the capsule 3 includes an outer convex portion 300 having a sharp corner and a connecting surface 301 disposed on two sides of the outer convex portion 300, where the connecting surface 301 is a plane, and a diameter of the connecting surface 301 is smaller than a diameter of the outer convex portion 300. The diameter of dish type 3 is greater than the diameter of screw thread portion 2 and be less than the diameter of coiled hair 1, dish type 3 is pressed close to an annular groove 31 has been seted up to coiled hair 1 one side, the cover is equipped with a china department 32 on the recess 31, the internal diameter of china department 32 is less than the maximum diameter of dish type 3, just a side of china department 32 can with the stationary plane 11 of coiled hair 1 is hugged closely. The embodiment is direct to install the washer on the dish type, and outer convex part 300 can be spacing to the washer, ensures that the washer can not drop, can directly lock the female member into, improves the packaging efficiency, reduces the loss of washer, raise the cost.

In the foregoing, washer 32 includes the cover and establishes minor diameter end 321 on recess 31 overlaps and establishes major diameter end 322 on the minor diameter end 321, minor diameter end 321 and major diameter end 322 integrated into one piece, just the thickness of minor diameter end 321 is less than the thickness of major diameter end 322, and this design can increase the intensity of major diameter end 322. In addition, the periphery of the washer 32 close to the pan head 1 side is an arc chamfer 323, and the design of the arc chamfer 323 can prevent other parts from being scratched, so that the qualification rate is ensured.

In the preferred embodiment, the pan head 1 is made of magnetic materials, a slotted hole 12 is formed in one side, away from the fixing surface 11, of the pan head, the slotted hole 12 is one of a cross slotted hole, a straight slotted hole, a triangular slotted hole, a hexagonal slotted hole, a Y-shaped slotted hole, an H-shaped slotted hole, a plum blossom slotted hole or a square slotted hole, the pan head can be conveniently screwed or loosened by the design, the operation is simple and convenient, the working efficiency is greatly improved, and meanwhile, the screw is provided with a longer threaded part and has a large fastening effect.

All the axial direction of the thread part 2 is provided with threads 21, and the threads 21 adopt one of common threads, single-thread threads, double-thread threads, high-low threads and MS bolt threads. The distance between the threads 21 is 1.2-1.8 mm. In addition, the threaded portion 2 is made of stainless steel. Of course, it can be other intervals or materials to do, all belong to the protection category of the utility model, do not do too much and describe repeatedly.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. Round head china department hexagonal screw, including circular coiled hair (1) and screw thread portion (2), its characterized in that: be equipped with between dish head (1) and screw thread portion (2) dish type (3), the diameter of dish type (3) is greater than the diameter of screw thread portion (2) and be less than the diameter of dish head (1), dish type (3) are pressed close to an annular groove (31) has been seted up to dish head (1) one side, the cover is equipped with a china department (32) on recess (31), the internal diameter of china department (32) is less than the maximum diameter of dish type (3), just a side of china department (32) can with the stationary plane (11) of dish head (1) are hugged closely.

2. The hexagonal round head washer screw according to claim 1, wherein: washer (32) establish including the cover establish small diameter end (321) on recess (31) establish with the cover establish big diameter end (322) on small diameter end (321), small diameter end (321) and big diameter end (322) integrated into one piece, just the thickness of small diameter end (321) is less than the thickness of big diameter end (322).

3. The hexagonal round head washer screw according to claim 1, wherein: the washer (32) is close to the periphery of one side of the pan head (1) and is provided with an arc chamfer (323).

4. The hexagonal round head washer screw according to claim 1, wherein: dish type (3) are in including outer convex part (300) that have the cusp and setting outer convex part (300) both sides connect face (301), it is the plane to connect face (301), the diameter of connecting face (301) is less than the diameter of outer convex part (300).

5. The hexagonal round head washer screw according to claim 1, wherein: all the axial direction of the thread part (2) is provided with threads (21), and the threads (21) adopt one of common threads, single-thread threads, double-thread threads, high-low threads and MS bolt threads.

6. The hexagonal round head washer screw according to claim 5, wherein: the distance between the threads (21) is 1.2-1.8 mm.

7. The hexagonal round head washer screw according to claim 1, wherein: a slotted hole (12) is formed in one side, far away from the fixing surface (11), of the pan head (1), and the slotted hole (12) is one of a cross slotted hole, a straight slotted hole, a triangular slotted hole, a hexagonal slotted hole, a Y-shaped slotted hole, an H-shaped slotted hole, a plum-blossom slotted hole or a square slotted hole.

8. The hexagonal round head washer screw according to claim 1, wherein: the thread part (2) is made of stainless steel materials, and the pan head (1) is made of magnetic materials.