CN111706600A

CN111706600A - Oil-containing thread and fastener

Info

Publication number: CN111706600A
Application number: CN202010558330.8A
Authority: CN
Inventors: 侯杰烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-09-25

Abstract

The invention discloses an oil-containing thread and a fastener, relates to the manufacture of the oil-containing thread and the fastener of a porous structure main body, and is a novel innovation that the oil-containing thread and the fastener of the porous structure main body replace the traditional oil-free thread and the fastener of a non-porous structure main body. Different kinds of oil products, such as antirust oil, conductive oil, lubricating oil, fastening oil, drilling and tapping oil and the like, are absorbed through the porous structure infiltration, so that different requirements of the thread application field, such as antirust conduction, antirust lubrication, anti-loosening fastening, cooling wear resistance and the like, are realized. At present, the invention has epoch-making significance and profound influence on the manufacturing industry in terms of stable use, service life increase and cost saving.

Description

Oil-containing thread and fastener

Technical Field

The present invention relates to a screw and a fastener, and more particularly, to an oil-impregnated screw and a fastener, a screw product having a porous oil-impregnated bearing structure as a main body thereof, and a method for producing the same.

Background

The conventional bolt and nut body is an oilless piece and is a non-porous oilless steel piece, and the traditional bolt and nut body rusts in the natural environment. After fasteners on mechanical equipment rust, the fasteners cannot be detached, so that the actual maintenance is troublesome. The fastener that is used on the conductive apparatus rusts, can not dismantle, leads to the maintenance difficult problem to be one of them, and in the electric power operation, because of the oxidation intermediate layer that rusts and produce causes resistance increase when circular telegram, leads to the local overheat of equipment to take place the burning, and this kind of accident is the nuisance free thing, and the prevention is similar overheated just the big thing that power supply system electric power was patrolled and examined. The mechanical equipment is also provided with a thread which is a condition with higher requirements on rust-proof lubrication, the transmission thread is required to be constantly lubricated by supplying oil, and in order to move between transmission pairs, the transmission pairs need to be lubricated. The transmission nut body used at present is an oil-free part, the transmission pair body is a non-porous bearing structure body, and grease is continuously supplied only through an external oil supply system to ensure that lubrication meets the requirement. The conventional threaded screw transmission nut generally comprises a sliding screw, a rolling screw and a static pressure screw, namely the nut is provided with a nut body which is a bearing structure body, a through hole is formed in the center of the nut body, and a threaded transmission groove is formed in the through hole, so that grease lubrication is required to be ensured to meet the use requirement.

At present, threads and fasteners are used as an indispensable basic part in national production, and represent huge effects in various aspects. In order to better prevent the nut bolt from rusting, the lubrication of the screw transmission is increased, the application field is widened, the limitation and the defect are overcome, the service life is prolonged, and the manufacturing cost is low. The invention provides a brand new oil-containing thread and a fastener, which is very accurate in requirement. It is important to use innovations to torque threads and fastener disadvantages.

Disclosure of Invention

In order to overcome the defects of the conventional threads and fasteners and maintain the consistent excellent characteristics and design and use habits of the conventional threads and fasteners, the invention provides a novel oil-containing thread and fastener, which comprises a thread and a fastener body, wherein the thread and the fastener body are porous oil-containing bearing structures and are a manufacturing scheme that the thread and the fastener body are oil-containing pieces. By utilizing the porous characteristic or affinity characteristic with lubricating oil of the main body material, the lubricating oil is made to infiltrate into the main body of the thread finished product before the thread and the fastener are installed and used, and the lubricating oil can not be added or not added for a long time during the working period of the main body, and the thread finished product is generally called as an oil-containing thread and fastener. The porous oil-containing thread finished product is a sintered body manufactured by a powder metallurgy method, pores can not be seen by naked eyes, the technology is mature, the cost of the manufactured finished product is low, and the manufacturing is convenient, so that the porous oil-containing thread finished product can be quickly and widely applied, and becomes an indispensable basic part for the development of various modern industrial products. The invention relates to an oil-containing thread and a fastener of a porous structure body, which are a second excellent type of oil-containing thread finished product following the traditional oil-free finished product. Different kinds of oils, such as antirust oil, conductive oil, lubricating oil, fastening oil, drilling and tapping oil and the like, are absorbed by the porous structure in an infiltration manner, so that the application of different requirements in the thread application field, such as antirust conduction, antirust lubrication, anti-loosening fastening, cooling wear resistance and the like, is realized. The new proposal of the invention is immediately developed and evolved from oil-free finished products to oil-containing finished products, so that the system types of the threads and the fasteners are more complete and the threads and the fasteners are more perfectly applied to various aspects of national production. At present, oil-containing thread finished products are used preferentially in various working condition scenes in terms of stable use, service life increase and cost saving. The invention has epoch-making significance and profound influence on manufacturing industry, and the developed countries of main industry in the world pay attention to the research and development of basic key technology, and China is a big country and surely establishes the action of the big country.

In order to achieve the purpose of the invention, the technical scheme of the invention is as follows:

the body of the oil-containing thread and fastener is a porous oil-containing load-bearing structure. The production method and the lubrication principle of the oil-containing thread and the fastener have the following contents:

the oil-containing thread and fastener, namely the porous oil-containing thread product, are produced by using metal powder as main raw material, and the oil-containing thread product is a sintered body produced by powder metallurgy, is porous in nature, and has the technical advantages of freely adjusting the number, size, shape, distribution and the like of pores in the production process. The main body of the oil-containing nut is divided into copper base, iron base, copper-iron base and the like.

The lubricating principle is that the oil-containing thread product is in non-running state, and the lubricating oil is filled in the pores, so that during running, the thread rotates to generate heat due to friction, and the pores of the main structure body are reduced due to thermal expansion, so that the lubricating oil overflows and enters the assembly gap. When the rotation is stopped, the parts are cooled, the pores are recovered, and the lubricating oil is sucked back to the pores. The vibration absorber has the characteristics of low cost, vibration absorption, low noise, no need of adding lubricating oil and the like in a longer working time, and is particularly suitable for a working environment which is not easy to lubricate or is not allowed to be polluted by oil. Porosity is an important parameter for oil-containing threaded articles. The oil-containing thread finished product working under high speed and light load requires a large oil content and is suitable for high porosity; the oil-containing thread finished product which works at low speed and large load has high required strength and low porosity.

The invention comprises important invention points 1: the thread product main body of the thread and the fastener is made of oil-containing porous material, and the thread product main body made of the traditional oil-free and non-porous material is replaced.

The invention comprises important invention points 2: the oil-containing thread and fastener are made up by using porous material to make oil-containing main body, using metal powder as main raw material and making the finished product of oil-containing thread be sintered body made up by using powder metallurgical method, and its original property is porous.

The present invention includes important invention points 3: before the screw thread and the fastener are installed and used, the external oil glue is used for infiltrating the main body of the screw thread finished product so that the oil glue is absorbed in the pores. The mechanical transmission thread finished product is characterized in that the main body is soaked by mechanical transmission lubricating oil to cause oil to be stored in the hole, the fastening piece thread finished product is soaked by fastening glue to cause glue to be stored in the hole, and the conductive piece thread finished product is soaked by conductive oil to cause the oil to be stored in the hole.

The invention comprises important invention points 4: the oil-containing nut body is arranged in the oil-containing thread and the fastener, the spiral transmission groove and the contact part of the matched screw rod or bolt are matched in a matching mode, the nut body can be provided with an oil storage hole cavity, the nut body slowly absorbs oil in the hole cavity, and the lubricating oil loss in the using process can be made up. The oil-containing nut is axially overlapped and combined to increase the length, so that the bearing capacity of the nut can be improved. The inner circle of a central through hole of the nut body of the oil-containing nut is provided with a spiral transmission groove mode, and the outer circle of the nut body of the oil-containing nut is provided with a spiral transmission groove mode. The oil-impregnated nut is a nut body made of a porous material, which can be used to make a sliding screw, a rolling screw, and a static pressure screw.

The present invention includes important points of invention 5: the oil-containing bolt body is provided with a spiral transmission groove and a contact part of a matched nut, and the oil-containing bolt body is made of porous materials.

The present invention includes important invention points 6: the oil-retaining thread and the fastener have an oil-retaining gasket body, and the oil-retaining gasket is made of porous material.

The present invention includes important points 7: the oil-containing thread and the fastener are provided with an oil-containing thread lead screw body, the oil-containing thread lead screw body is provided with a spiral transmission groove and matched contact parts of nuts, and the oil-containing thread lead screw is made of porous materials to form a thread lead screw main body.

The invention is realized according to the principle and the method in the manufacturing aspect of the oil-containing thread and the fastener, and the original purpose of the oil-containing thread and the fastener is realized, and the purpose that the pores of the desired thread finished product are full of the required additive is realized.

Compared with the prior art, the invention has the following beneficial effects:

1) the novel thread and fastener-oil-containing thread finished product is a new thread and fastener-oil-containing thread finished product after the traditional thread and fastener without oil and holes are developed, so that the existing production technology is more reasonably matched and exerted, and the novel thread and fastener-oil-containing thread finished product is more practical and efficient.

2) The oil-containing thread and fastener are made by new technology of century and powder metallurgy method, and have simple structure, high production efficiency, high precision, long service life, no obstacle and wide application.

3) At present, the application of the oil-containing nut screw lead can widely improve the precision of the conductive thread of the feeding and indexing mechanism of the metal cutting machine tool and keep the precision for a long time, so that the manufacturing precision of national industrial products can be improved subsequently. Through the application of the bolt and the nut containing the fastening glue, the long-term fastening and looseness prevention are all the same. Through the assembly of the bolt and the nut of the electric conductive piece containing the conductive oil, the long-term conductive rust prevention is ensured.

Drawings

The invention has 13 figures in total. Wherein:

FIG. 1 is a schematic illustration, which means a body defined as a conventional nonporous structure, which is oil-free.

FIG. 2 is a schematic view of the present invention, which is defined as the porous structure body of the present invention and is an oil-containing material.

Fig. 3 is a standard view of the body of the non-porous structure of a hexagonal nut in a conventional finished product of threads.

Fig. 4 is a standard view of a hexagon nut in the porous oil-containing thread product of the invention.

FIG. 5 is a standard view of a hexagonal nut with an end-face oil-storing cavity in the oil-containing threaded product with a porous structure according to the present invention.

FIG. 6 is a standard view of a hexagonal nut with a side oil-containing cavity in the finished product of the oil-containing porous structure of the present invention.

Fig. 7 is a standard view of a body of a conventional threaded article in the form of a hex bolt imperforate structure.

FIG. 8 is a standard view of a hexagon bolt in the porous oil-containing threaded product of the present invention.

Figure 9 is a standard view of a body of a non-porous structure of a pointed screw in a conventional thread making article.

FIG. 10 is a standard view of a pointed screw in a porous oily thread-made product of the invention.

Fig. 11 is a standard view of a spacer imperforate structural body in a conventional fastener.

Fig. 12 is a standard view of an oil impregnated washer in the porous structure oil impregnated fastener of the present invention.

FIG. 13 is a schematic view of a combination of a screw nut and a nut in an oil-containing transmission thread.

[ description of main element symbols ]

[ present invention ]

1 nut body 11 internal thread 12 through-hole 2 oil storage cavity

3 external thread 32 bolt head 33 bolt of bolt body 31

4-pointed-end screw body 41, pointed-end external thread 42, screw head 43 and pointed-end column

5 gasket body 51 gasket through hole

6-thread transmission lead screw and 7-thread transmission superposition nut

The code number B \ C \ D \ F \ H \ J is an enlarged detailed view of the section of the porous structure

[ Prior Art ]

10 nut body 101 internal thread 102 through hole

30 bolt body 301 external thread 302 bolt head 303 bolt

40-pointed thread nail body 4011 pointed external thread 402 nail head 403 pointed column

50 gasket body 501 gasket through hole

The code number A \ E \ G \ I is an enlarged detailed view of the section of the nonporous structure

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, several embodiments accompanied with figures 1 and 2 are provided as illustrations and enlarged respectively in cross-sectional views, so as to distinguish between two different main structures, and the following description is given in further detail with reference to the accompanying figures and embodiments, without limiting the scope of the present invention.

Referring to fig. 4, in a preferred embodiment of the present invention, the hexagon nut includes a nut body 1, an internal thread 11, and a through hole 12, the nut body 1 is a porous bearing structure and has a through hole 12 in the center, and the through hole 12 is provided with the internal thread 11 of a spiral transmission groove for screwing the external thread 31 of the outer circle of the stud 33 of the bolt body 3. The main part immersion oil chooses for use according to actual use condition: the finished product of the mechanical transmission thread service condition is characterized in that the main body is soaked by mechanical transmission lubricating oil to cause oil to be stored in the hole, the finished product of the fastener thread service condition is soaked by fastening oil glue to cause glue to be stored in the hole, and the finished product of the conductive thread service condition is characterized in that the main body is soaked by conductive oil to cause oil to be stored in the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 5, in a preferred embodiment of the present invention, the end face cavity nut includes a nut body 1, an internal thread 11, a through hole 12, and an oil storage cavity 2, the nut body 1 is a porous bearing structure and has a through hole 12 in the center, the through hole 12 is internally provided with the internal thread 11 of a spiral transmission groove for screwing an external thread 31 of an outer circle of a stud 33 of the bolt body 3, the oil storage cavity 2 is provided on the end face of the nut body 1, and the cavity is covered by a gasket body 5 after storing oil. The main part immersion oil chooses for use according to actual use condition: the finished product of the first mechanical transmission thread is characterized in that mechanical transmission lubricating oil is used for infiltrating the main body to absorb oil and store the oil in the hole, the finished product of the second fastener thread is infiltrated by fastening oil glue to cause the glue to be stored in the hole, and the finished product of the third conductive member thread is infiltrated by conductive oil to cause the oil to be stored in the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 6, in a preferred embodiment of the present invention, the side cavity nut includes a nut body 1, an internal thread 11, a through hole 12, and an oil storage cavity 2, the nut body 1 is a porous bearing structure and has a through hole 12 in the center, the through hole 12 is internally provided with the internal thread 11 of a spiral transmission groove for screwing the external thread 31 of the outer circle of the stud 33 of the bolt body 3, the oil storage cavity 2 is provided on the side of the nut body 1, and the cavity is covered by a machine housing after storing oil. The main part immersion oil chooses for use according to actual use condition: the finished product of the first mechanical transmission thread is characterized in that mechanical transmission lubricating oil is used for infiltrating the main body to absorb oil and store the oil in the hole, the finished product of the second fastener thread is infiltrated by fastening oil glue to cause the glue to be stored in the hole, and the finished product of the third conductive member thread is infiltrated by conductive oil to cause the oil to be stored in the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 8, in a preferred embodiment of the present invention, the hexagon bolt includes a bolt body 3, an external thread 31, a bolt head 32, and a bolt 33, the bolt body 3 is a porous load-bearing structure, the bolt head 32 and the bolt 33 are integrally constructed, and the external thread 31 of a spiral transmission groove is disposed on the outer circumference of the bolt 33 for screwing up the internal thread 11 of the through hole 12 of the nut body 1. The main part immersion oil chooses for use according to actual use condition: the finished product of the first mechanical transmission thread is characterized in that mechanical transmission lubricating oil is used for infiltrating the main body to absorb oil and store the oil in the hole, the finished product of the second fastener thread is infiltrated by fastening oil glue to cause the glue to be stored in the hole, and the finished product of the third conductive member thread is infiltrated by conductive oil to cause the oil to be stored in the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 10, in a preferred embodiment of the present invention, the pointed screw comprises a pointed screw body 4, a pointed external thread 41, a screw head 42, and a pointed column 43, wherein the pointed screw body 4 is a porous load-bearing structure, the screw head 42 and the pointed column 43 are integrally constructed, and the pointed external thread 41 of a spiral transmission groove is disposed on the outer circumference of the pointed column 43 for self-tapping into any installation material. The main part immersion oil chooses for use according to actual use condition: the finished product of the first conductive thread is characterized in that the mechanical drill is used for tapping cooling lubricating oil to infiltrate the main body to absorb oil and store the oil into the hole, the finished product of the second conductive thread is used for infiltrating the main body with fastening oil glue to cause the glue to be stored into the hole, and the finished product of the third conductive thread is used for infiltrating the main body with conductive oil to cause the oil to be stored into the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 12, in a preferred embodiment of the present invention, the gasket includes a gasket body 5 and a gasket through hole 51, the gasket body 5 is a porous bearing structure and has a gasket through hole 51 at the center for the bolt 33 of the bolt body 3 to pass through, and then assembled and fastened with the nut body 1. The main part immersion oil chooses for use according to actual use condition: the gasket product of the first cover part which is frequently disassembled for maintenance is characterized in that a mechanical anti-rust oil is used for wetting the main body to absorb oil and store the oil into the hole, the finished product of the gasket of the second fastener is used for wetting the main body with a fastening glue to store the glue into the hole, and the finished product of the gasket of the third conductive piece is used for wetting the main body with a conductive oil to store the oil into the hole. Under different requirements, the effects of rust prevention, electric conduction, rust prevention, lubrication, looseness prevention, wear resistance in cooling and the like are respectively embodied.

Referring to fig. 13, a preferred embodiment of the present invention belongs to the field of transmission threads, and is a kit combining a threaded transmission screw 6 and a threaded transmission nut 7, wherein the threaded transmission screw 6 and the threaded transmission nut 7 are porous bearing structures, the threaded transmission nut 7 is formed by overlapping and combining two or more single nuts, and the nut is axially overlapped and combined, and the combined design improves the bearing capacity of the nut, and the finished product of the mechanical transmission thread is soaked in mechanical transmission lubricating oil to absorb oil and store the oil in pores, so that the effects of rust prevention, lubrication, cooling, wear resistance, etc. are realized in application.

The above description is only for the seven embodiments of the present invention, but the scope of the present invention is not limited thereto, and all persons skilled in the art should be able to cover the technical solutions of the present invention and the equivalent alternatives or modifications thereof within the technical scope of the present invention.

Claims

1. Oil-containing screw thread and fastener, including screw thread and fastener body, screw thread and fastener be nonporous load-bearing structure body, characterized by: the oil-containing thread and the fastener are porous oil-containing bearing structure bodies.

One category of the oil-containing threads and fasteners is a hexagon nut which comprises a nut body 1, internal threads 11 and a through hole 12, wherein the nut body 1 is a porous bearing structure body, the center of the nut body is provided with the through hole 12, and the through hole 12 is internally provided with the internal threads 11 of a spiral transmission groove so as to screw in external threads 31 on the excircle of a stud 33 of a bolt body 3.

One class of oil-containing threads and fasteners is an end face hole cavity nut which comprises a nut body 1, internal threads 11, a through hole 12 and an oil storage hole cavity 2, wherein the nut body 1 is a porous bearing structure body, the center of the nut body is provided with the through hole 12, the through hole 12 is internally provided with the internal threads 11 of a spiral transmission groove for screwing in external threads 31 on the outer circle of a bolt column 33 of a bolt body 3, the end face of the nut body 1 is provided with the oil storage hole cavity 2, and the hole cavity is sealed and covered by a gasket body 5 after oil storage.

One class of oil-containing threads and fasteners is that a side hole cavity nut comprises a nut body 1, internal threads 11, a through hole 12 and an oil storage hole cavity 2, wherein the nut body 1 is a porous bearing structure body, the center of the nut body is provided with the through hole 12, the through hole 12 is internally provided with the internal threads 11 of a spiral transmission groove for screwing in external threads 31 on the excircle of a stud 33 of a bolt body 3, the side surface of the nut body 1 is provided with the oil storage hole cavity 2, and the hole cavity is sealed and covered by a machine shell after oil storage.

One category of the oil-retaining thread and the fastener is a hexagon bolt which comprises a bolt body 3, an external thread 31, a bolt head 32 and a bolt column 33, wherein the bolt body 3 is a porous bearing structure body, the bolt head 32 and the bolt column 33 are integrally constructed, and the external thread 31 of a spiral transmission groove is arranged on the excircle of the bolt column 33 so as to be screwed on the internal thread 11 of the through hole 12 of the nut body 1.

One category of the oil-containing thread and the fastener is a pointed thread nail which comprises a pointed thread nail body 4, a pointed external thread 41, a nail head 42 and a pointed column 43, wherein the pointed thread nail body 4 is a porous bearing structure body, the nail head 42 and the pointed column 43 are integrally constructed, and the outer circle of the pointed column 43 is provided with the pointed external thread 41 of a spiral transmission groove so as to be used for self-tapping to enter any installation material.

One class of oil-retaining threads and fasteners is that the gasket comprises a gasket body 5 and a gasket through hole 51, wherein the gasket body 5 is a porous bearing structure body, the center of the gasket body is provided with the gasket through hole 51, and the bolt 33 of the bolt body 3 penetrates through the gasket through hole and then is assembled and fastened with the nut body 1.

One class of oil-containing threads and fasteners belongs to the field of transmission threads, a thread transmission lead screw 6 and a thread transmission superposed nut 7 are combined into a complete set, the thread transmission lead screw 6 and the thread transmission superposed nut 7 are porous bearing structural bodies, the thread transmission superposed nut 7 is formed by superposing and combining two or more than two single nuts, the nut is axially superposed and combined, the bearing capacity of the nut is improved through combined design, a finished product of the mechanical transmission threads is soaked in a main structure by mechanical transmission lubricating oil to absorb oil and store the oil in pores, and the functions of rust prevention, lubrication, cooling and wear resistance are realized in application.

The oil-containing thread and fastener body is a porous oil-containing bearing structure body, and is a sintered body prepared by a powder metallurgy method by using metal powder as a main raw material. Various oil products containing the back, such as antirust oil, conductive oil, lubricating oil, fastening oil, drilling and tapping oil and the like are respectively soaked and absorbed through the porous structure, so that the applications of antirust conduction, antirust lubrication, looseness prevention fastening, cooling and wear resistance and the like in different requirements of the thread application field are realized.