CN215293187U

CN215293187U - Stainless steel bolt that good difficult droing of stability

Info

Publication number: CN215293187U
Application number: CN202121760193.2U
Authority: CN
Inventors: 李普
Original assignee: Qingdao Xuanlin Boyuan Machinery Co ltd
Current assignee: Qingdao Xuanlin Boyuan Machinery Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-24
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a good stainless steel bolt who is difficult for droing of stability, including the bolt head, the bottom fixedly connected with double-screw bolt of bolt head, the through hole has been seted up on the surface of bolt head, the inner chamber fixedly connected with spiral shell piece of through hole, the inner chamber threaded connection of spiral shell piece has the extrusion bolt, elastic metal piece has been placed to the bottom of through hole inner chamber, the extrusion head has been placed at elastic metal piece's top. The utility model discloses a bolt head, from lock plate, through hole, double-screw bolt, thread, outer protective coating, first galvanizing coat, extrusion bolt, extrusion head, elastic metal piece, stopper, spiral shell piece, hexagonal recess, reach Crow wearing layer and second galvanizing coat, solved the stainless steel bolt on the current market and do not possess the function that stability is good to be difficult for droing, in complicated service environment, the easy shake takes place the pine to take off, be unfavorable for the fastening operation of work piece or equipment, be unfavorable for the problem that the long-time use of user.

Description

Stainless steel bolt that good difficult droing of stability

Technical Field

The utility model relates to a stainless steel bolt technical field specifically is a stainless steel bolt that stability is good is difficult for droing.

Background

Bolt: a cylindrical threaded fastener matched with a nut is a fastener consisting of a head and a screw, and needs to be matched with the nut to be used for tightly connecting two parts with through holes.

In the machining industry, bolts are the most basic fastening standard parts and play an indispensable role in the machining production, the bolts are different in use positions in the machining process and different in use environments, and have larger differences.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel bolt that stability is good is difficult for droing possesses the good difficult advantage that drops of stability, has solved the stainless steel bolt on the current market and has not possessed the good difficult function that drops of stability, and in the service environment of complicacy, easy shake takes place the pine to take off, is unfavorable for the fastening operation of work piece or equipment, is unfavorable for the problem that the user used for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stainless steel bolt that stability is good and is difficult for droing, includes the bolt head, the bottom fixedly connected with double-screw bolt of bolt head, the through hole has been seted up on the surface of bolt head, the inner chamber fixedly connected with spiral shell piece of through hole, the inner chamber threaded connection of spiral shell piece has the extrusion bolt, elastic metal piece has been placed to the bottom of through hole inner chamber, the extrusion head has been placed at elastic metal piece's top, the surface of double-screw bolt just is located the bottom fixedly connected with self-locking disc of bolt head, the equal fixedly connected with outer protective coating in surface of bolt head, self-locking disc and double-screw bolt, the first layer of inner chamber fixedly connected with of through hole.

Preferably, both sides of the extrusion head are fixedly connected with limiting blocks, and grooves matched with the extrusion head for use are formed in the surface of the elastic metal sheet.

Preferably, the outer protective coating comprises a Dacromet wear-resistant layer and a second zinc coating layer, and the first zinc coating layer and the second zinc coating layer are made of the same material.

Preferably, the surface of the stud is provided with threads, and thread glue is coated on the surfaces of the threads.

Preferably, the top of the extrusion bolt is provided with a hexagonal groove, and the distance between opposite sides of the hexagonal groove is 6 mm.

Preferably, the bottom of the self-locking disc is provided with anti-skid grains, and the thickness of the self-locking disc is 1 mm.

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

1. the utility model discloses a bolt head, from the locking plate, the through hole, the double-screw bolt, the thread, outer protective coating, first galvanizing coat, the extrusion bolt, the extrusion head, the elastic metal piece, the stopper, the spiral shell piece, the hexagonal recess, reach Crohn wearing layer and second galvanizing coat, can make the bolt reach the function that stability is good to be difficult for droing, the stainless steel bolt who has solved on the current market does not possess the function that stability is good to be difficult for droing, in complicated service environment, easy shake takes place the pine to take off, be unfavorable for the fastening operation of work piece or equipment, be unfavorable for the problem that the user used for a long time.

2. Through the arrangement of the groove, the elastic metal sheet can be more conveniently extruded by the extrusion head to deform, the pressure is conveniently transmitted to the inner cavity of the stud, the stud is slightly mechanically deformed, and the fastening extrusion effect between the stud and the nut is improved;

by using the Dacromet wear-resistant layer, the surface abnormal wear of the bolt in the use and fastening process can be effectively avoided, the surface protective coating of the bolt is worn and the protective effect of the bolt is influenced, the service life of the bolt is influenced by the corrosion of the bolt, and the use stability and the fastening effect of the bolt are indirectly influenced;

by coating the thread glue, the thread glue can be solidified after the bolt is fastened, and the thread glue is used for bonding the screw teeth and the nut, so that the fastening effect of the bolt is ensured, and the phenomenon of falling off of the bolt is avoided;

the hexagonal groove is formed, so that a user can rotate the extrusion bolt more conveniently, and the operation and the use of the user are facilitated;

the self-locking effect of the self-locking disc can be better by arranging the anti-skid grains, the friction force at the bottom of the self-locking disc is increased, and the fastening stability of the bolt is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a top view of the extrusion bolt of the present invention;

fig. 4 is a schematic structural view of the outer protective coating of the present invention.

In the figure: 1. a bolt head; 2. a self-locking disc; 3. a through hole; 4. a stud; 5. screw teeth; 6. an outer protective coating; 7. a first zinc plating layer; 8. extruding the bolt; 9. an extrusion head; 10. a resilient metal sheet; 11. a limiting block; 12. a screw block; 13. a hexagonal groove; 14. a Dacromet abrasion resistant layer; 15. and a second zinc coating.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 in specific cases to those skilled in the art.

The utility model discloses a bolt head 1, from locking plate 2, through hole 3, double-screw bolt 4, thread 5, outer protective coating 6, first galvanizing coat 7, extrusion bolt 8, extrusion head 9, elastic metal piece 10, stopper 11, spiral shell piece 12, hexagonal recess 13, reach the part that 14 and the 15 parts of second galvanizing coat are general standard or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

Referring to fig. 1-4, a stainless steel bolt with good stability and difficult falling comprises a bolt head 1, wherein a stud 4 is fixedly connected to the bottom of the bolt head 1, a through hole 3 is formed in the surface of the bolt head 1, a screw block 12 is fixedly connected to the inner cavity of the through hole 3, an extrusion bolt 8 is in threaded connection with the inner cavity of the screw block 12, an elastic metal sheet 10 is placed at the bottom of the inner cavity of the through hole 3, an extrusion head 9 is placed at the top of the elastic metal sheet 10, a self-locking disc 2 is fixedly connected to the surface of the stud 4 and located at the bottom of the bolt head 1, an outer protective coating 6 is fixedly connected to the surfaces of the bolt head 1, the self-locking disc 2 and the stud 4, and a first galvanized coating 7 is fixedly connected to the inner cavity of the through hole 3.

In this embodiment, it is concrete, the equal fixedly connected with stopper 11 in both sides of extrusion head 9, the recess that uses with the cooperation of extrusion head 9 is seted up on the surface of elastic metal piece 10, through seting up of recess, can make things convenient for extrusion head 9 to extrude elastic metal piece 10 more and make its deformation, and the pressure transmission of being convenient for makes double-screw bolt 4 produce slight mechanical deformation to the inner chamber of double-screw bolt 4, promotes the fastening extrusion effect between its and the nut.

In this embodiment, specifically, the outer protective coating 6 includes the dacromet wear layer 14 and the second zinc coating 15, and the first zinc coating 7 is the same with the 15 materials of second zinc coating, and through the use of the dacromet wear layer 14, can effectively avoid bolt surface abnormal wear in the use fastening process, cause bolt surface protective coating to be worn out, influence its protective effect, cause bolt corrosion to influence its life, indirectly influence its stability in use and fastening effect.

In this embodiment, specifically, the screw thread 5 has been seted up on the surface of double-screw bolt 4, and the thread glue has been scribbled on the surface of screw thread 5, and through the use of scribbling of thread glue, can be after the bolt-up, the screw thread gelatinization is solid, bonds between screw thread 5 and the nut, has ensured the fastening effect of bolt, avoids its phenomenon that drops to appear.

In this embodiment, specifically, hexagonal groove 13 has been seted up at the top of extrusion bolt 8, and hexagonal groove 13's opposite side distance is 6mm, through seting up of hexagonal groove 13, can more person of facilitating the use rotate the operation, person of facilitating the use's operation to extrusion bolt 8.

In this embodiment, concrete, the anti-skidding line has been seted up from the bottom of lock dish 2, and the thickness of lock dish 2 is 1mm, and through the use of seting up of anti-skidding line, can make the auto-lock effect of lock dish 2 better, increased the frictional force of 2 bottoms of lock dish, ensured the fastening stability of bolt.

When in use, a user takes the bolt to be in threaded connection with the nut or the reserved threaded hole, the bolt head 1 is pulled by the taking tool to complete fastening, the user inserts the taking tool into the inner cavity of the hexagonal groove 13 to rotate so as to complete screwing of the extrusion bolt 8, the extrusion head 9 is extruded by the extrusion bolt 8 to extrude the elastic metal sheet 10 to expand and deform, the elastic metal sheet 10 can be more conveniently extruded by the extrusion head 9 to deform by opening the groove, the pressure is conveniently transmitted to the inner cavity of the stud 4, the stud 4 generates slight mechanical deformation, the fastening and extrusion effects between the stud and the nut are improved, and the abnormal surface abrasion of the bolt in the use and fastening process can be effectively avoided by using the Dacromet wear-resistant layer 14, so that the protective coating on the surface of the bolt is abraded, the protective effect of the bolt is influenced, the corrosion of the bolt is caused, and the service life of the bolt is influenced, the use stability and the fastening effect of the self-locking disc 2 are indirectly influenced, the thread is solidified by the coating of the thread glue after the bolt is fastened, the thread is adhered to the screw teeth 5 and the nut, the fastening effect of the bolt is ensured, the falling phenomenon of the bolt is avoided, the extrusion bolt 8 can be more conveniently rotated by a user by arranging the hexagonal groove 13, the operation and the use of the user are convenient, the self-locking effect of the self-locking disc 2 can be better by arranging the anti-slip pattern, the friction force at the bottom of the self-locking disc 2 is increased, the fastening stability of the bolt is ensured, the bolt can achieve the function of good stability and difficult falling through the matching of the structures, the problem that the stainless steel bolt in the existing market does not have the function of good stability and difficult falling is solved, the bolt is easy to shake and loosen in a complex use environment and is not beneficial to the fastening operation of workpieces or equipment is solved, is not beneficial to the long-time use of the user and is suitable for popularization and use.

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. The utility model provides a good stainless steel bolt who is difficult for droing of stability, includes bolt head (1), its characterized in that: the utility model discloses a bolt head, including bolt head (1), bottom fixedly connected with double-screw bolt (4), through hole (3) have been seted up on the surface of bolt head (1), the inner chamber fixedly connected with spiral shell piece (12) of through hole (3), the inner chamber threaded connection of spiral shell piece (12) has extrusion bolt (8), elastic metal piece (10) are placed to the bottom of through hole (3) inner chamber, extrusion head (9) have been placed at the top of elastic metal piece (10), the surface of double-screw bolt (4) just is located the bottom fixedly connected with self-locking disc (2) of bolt head (1), the equal fixedly connected with in surface of bolt head (1), self-locking disc (2) and double-screw bolt (4) protects coating (6) outward, the first galvanizing coat (7) of inner chamber fixedly connected with of through hole (3).

2. The stainless steel bolt with good stability and difficult shedding according to claim 1, is characterized in that: the equal fixedly connected with stopper (11) in both sides of extrusion head (9), the recess that uses with extrusion head (9) cooperation is seted up on the surface of elastic metal piece (10).

3. The stainless steel bolt with good stability and difficult shedding according to claim 1, is characterized in that: the outer protective coating (6) comprises a Dacromet wear-resistant layer (14) and a second zinc coating (15), and the first zinc coating (7) and the second zinc coating (15) are made of the same material.

4. The stainless steel bolt with good stability and difficult shedding according to claim 1, is characterized in that: the surface of the stud (4) is provided with a thread (5), and thread glue is coated on the surface of the thread (5).

5. The stainless steel bolt with good stability and difficult shedding according to claim 1, is characterized in that: hexagonal groove (13) have been seted up at the top of extrusion bolt (8), the opposite side distance of hexagonal groove (13) is 6 mm.

6. The stainless steel bolt with good stability and difficult shedding according to claim 2, is characterized in that: the bottom of the self-locking disc (2) is provided with anti-skid grains, and the thickness of the self-locking disc (2) is 1 mm.