CN103133478A

CN103133478A - Bolt component

Info

Publication number: CN103133478A
Application number: CN2011103858877A
Authority: CN
Inventors: 陆建平
Original assignee: SUZHOU INDUSTRIAL PARK XIECHENG PRECISION HARDWARE Co Ltd
Current assignee: SUZHOU INDUSTRIAL PARK XIECHENG PRECISION HARDWARE Co Ltd
Priority date: 2011-11-28
Filing date: 2011-11-28
Publication date: 2013-06-05

Abstract

The invention relates to a bolt component which comprises a bolt and a nut. The bolt comprises a head portion and a screw rod which is formed by downward extending from the bottom face of the head portion, the screw rod comprises a polish rod segment and a thread segment, the polish rod segment is formed by downward extending from the head portion, the thread segment is formed by downward extending from the polish rod segment, the length of the thread segment is shorter than that of the polish rod segment, more than one first magnetic material is arranged on the bottom face of the head portion, the first magnetic material is arranged on the periphery of the screw rod, and the nut comprises more than one second magnetic material. Polarity of the second magnetic material is opposite to that of the first magnetic material, an inner thread is arranged on the inner surface of the nut, the inner thread is matched with the thread segment, and the diameter of the inner thread is no less than the diameter of the polish rod segment. The polish rod segment and the magnetic design are adopted by the bolt so as to enable connection to be rapid and not to be easy to separate, and simultaneously the nut can be guaranteed not to be easy to lose due to existing of the thread segment.

Description

Bolt assembly

Technical field

The present invention relates to a kind of bolt assembly.

Background technique

In recent years, along with the develop rapidly of China's economy, people's living standard also improves gradually, and the toy industry body is developed rapidly, has presented development in pluralism.the assembled type toy is as the toy of a kind of intelligence and practical ability type, especially obtain youngsters and children and the head of a family's welcome, the way of general assembled type toy is with bolt assembly, each several part to be locked, be combined into an integral body, but so, a toy just needs the very many bolt assemblies of dress, some toy even will fill the bolt assembly of 40 left and right, and the bolt assembly of commonly using at present is the thread type connection, namely be threaded with nut by screw rod, often need teenager and children that enough patience and time are arranged when assembling, and this usually can make teenager and children because overlong time is lost patience.a kind of threadless bolt assembly that utilizes magnetic design is also arranged in the market, but because this kind assembly connects bolt by magnetic fully with nut, when external force is crossed when strong, easily make bolt and nut break away from, tend to like this make the loss of bolt assembly, particularly as child when playing the block toy of those automobile types, this kind toy is except assembling enjoyment, teenager and children can not remove assembly unit again immediately after being assembled into model, and this moment, during model after they are playing assembling, unstability due to the magnetic connection, often can make it lose component.

Summary of the invention

The object of the present invention is to provide a kind of quick and difficult bolt assembly of losing part that connects.

for realizing aforementioned purpose, the present invention adopts following technological scheme: a kind of bolt assembly, comprise a bolt and nut, described bolt comprises head and the screw rod that extends to form from described head bottom surface downwards, described screw rod comprises the polished rod section that extends to form from head downwards, extend to form and be shorter in length than the thread section of polished rod section downwards from described polished rod section, described head bottom surface has more than one the first Magnetic Materials, described the first Magnetic Materials is arranged at the screw rod periphery, described nut comprise more than one and with opposite polarity the second Magnetic Materials of described the first Magnetic Materials, described nut internal surface is provided with and coordinates with described thread section and its internal diameter is not less than the internal thread of polished rod section diameter.

As a further improvement on the present invention, described screw rod is made by non-ferroic material.

As a further improvement on the present invention, described head is made by non-ferroic material.

As a further improvement on the present invention, described head bottom surface surrounds the first magnetic rings by two opposite polarity the first Magnetic Materials, and described nut surrounds the second magnetic rings by two opposite polarity the second Magnetic Materials.

As a further improvement on the present invention, described thread section length is 1/3 of polished rod section.

As a further improvement on the present invention, described the second Magnetic Materials is positioned at an end face of described nut.

The present invention adopts the polished rod section to be connected connection quick and not easily separated with magnetic design, simultaneously again due to the existence of thread section, can guarantee that nut is difficult for losing.

Description of drawings

Fig. 1 is the structural drawing of bolt assembly in the specific embodiment of the invention.

Fig. 2 is screw-rod structure figure in the specific embodiment of the invention.

Fig. 3 is nut structure figure in the specific embodiment of the invention.

Fig. 4 is the process flow diagram of bolt assembly preparation process in this present invention embodiment.

Embodiment

See also Fig. 1～3, a kind of bolt assembly, comprise a bolt 1 and nut 2, bolt 1 comprises head 11 and the screw rod 12 that extends to form from head 11 bottom surfaces downwards, this head 11 and screw rod 12 can be made by non-ferroic material, certainly can also make for ferroic material, but for activity after nut 2 is installed is freer, its optimum efficiency is to adopt non-ferroic material.

Described screw rod 12 comprises the polished rod section 121 that extends to form from head 11, the thread section 122 that extends to form and be shorter in length than polished rod section 121 from polished rod section 121 downwards downwards, the main purpose of this thread section 122 is to prevent to break away from screw rod 12 after nut 2 from installing, and in order to save installation time, therefore this thread section 122 is more short better, in this accompanying drawing, thread section 122 length are 1/3 of polished rod section 121.described head 11 bottom surfaces have the first magnetic rings that is comprised of two opposite polarity the first Magnetic Materials 13, this first magnetic rings is located in screw rod 12 peripheries, nut 2 comprises by opposite (the N utmost point of two polarity, the S utmost point) the second magnetic rings that the second Magnetic Materials 21 forms, this second magnetic rings is positioned at an end face of nut 2, after nut 2 is mounted on bolt 1, both are and are oppositely arranged, and due to both with opposite (the N utmost point of two polarity, the S utmost point) the first Magnetic Materials 13 and the second Magnetic Materials 21 (this first Magnetic Materials 13 and the second Magnetic Materials 21 are permanent magnet), all have a N utmost point and a S utmost point, when same sex polarity is staggered when putting, according to the magnetic pole principle that there is a natural attraction between the sexes, nut 2 attracts each other with head 11, be fixed in connected element between the two, when both same sex polarity are relative, principle according to the magnetic pole two like magnetic poles repel each other, nut 2 separates with head 11.

Be provided with at nut 2 internal surfaces and coordinate with thread section 122 and its internal diameter is not less than the internal thread 22 of polished rod section 121 diameters, during installation, nut 2 is at the beginning by being connected with thread section 122, then rotate into polished rod section 121, and illustrated that due to above-mentioned the internal diameter of thread section 122 is not less than polished rod section 121 diameters, therefore nut 2 can be done freely on polished rod section 121 and slide up and down, and due to the existence of thread section 122, both repel each other when separating when nut 2 and head 11, and nut 2 can not be run out of screw rod 12 due to stopping of 122 sections of thread sections.

See also Fig. 4, for preparing preparation process's flow chart of above-mentioned bolt assembly, this preparation process comprises the steps:

S1: make the head and the polished rod that is connected in the head bottom surface of bolt, this head and screw rod can be made by non-ferroic material, certainly can also be ferroic material, but for activity after the nut installation is freer, its best preferably adopts non-ferroic material;

S2: in polished rod bottom cutted thread section, described thread section length is less than the polished rod section;

S3: form more than one the first Magnetic Materials in the head bottom surface, described Magnetic Materials is arranged at the screw rod periphery;

S4: make the nut that internal surface has internal thread, the internal diameter of described internal thread is not less than polished rod section diameter;

S5: described nut form more than one and with opposite polarity the second Magnetic Materials of described the first Magnetic Materials;

In above-mentioned steps S3 and S4, the first Magnetic Materials and the second Magnetic Materials are embedded in respectively in head and nut.

Although be the example purpose, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that do not break away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.

Claims

1. bolt assembly, comprise a bolt (1) and nut (2), described bolt (1) comprises head (11) and the screw rod (12) that extends to form from described head (11) bottom surface downwards, it is characterized in that: described screw rod (12) comprises the polished rod section (121) that extends to form from head (11) downwards, extend to form and be shorter in length than the thread section (122) of polished rod section (121) downwards from described polished rod section (121), described head (11) bottom surface has more than one the first Magnetic Materials (13), described the first Magnetic Materials (13) is arranged at screw rod (12) periphery, described nut (2) comprise more than one and with opposite polarity the second Magnetic Materials of described the first Magnetic Materials (13) (21), described nut (2) internal surface is provided with and coordinates with described thread section (122) and its internal diameter is not less than the internal thread (22) of polished rod section (121) diameter.

2. bolt assembly according to claim 1, it is characterized in that: described screw rod (12) is made by non-ferroic material.

3. bolt assembly according to claim 1 and 2, it is characterized in that: described head (11) is made by non-ferroic material.

4. bolt assembly according to claim 1, it is characterized in that: described head (11) bottom surface surrounds the first magnetic rings by two opposite polarity the first Magnetic Materials (13), and described nut (2) surrounds the second magnetic rings by two opposite polarity the second Magnetic Materials (21).

5. bolt assembly according to claim 1, it is characterized in that: described thread section (122) length is 1/3 of polished rod section (121).

6. bolt assembly according to claim 1, it is characterized in that: described the second Magnetic Materials (21) is positioned at an end face of described nut (2).

7. bolt assembly according to claim 1, it is characterized in that: described the first Magnetic Materials 13 and the second Magnetic Materials 21 are permanent magnet.