CN215673094U - High-strength bolt - Google Patents
High-strength bolt Download PDFInfo
- Publication number
- CN215673094U CN215673094U CN202121924245.5U CN202121924245U CN215673094U CN 215673094 U CN215673094 U CN 215673094U CN 202121924245 U CN202121924245 U CN 202121924245U CN 215673094 U CN215673094 U CN 215673094U
- Authority
- CN
- China
- Prior art keywords
- bolt
- diameter
- bolt head
- screw thread
- stiff end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The utility model discloses a high-strength bolt which is integrated, and comprises a bolt head and a bolt body, wherein a fastening check ring is arranged between the bolt head and the bolt body, a thread fixed end is arranged at the tail part of the bolt body, threads are arranged on the surface of the thread fixed end, the thread fixed end is composed of a basic layer and a surface layer, the basic layer is made of alloy cast iron, the surface layer is a chromium-based ceramic composite coating, the bolt head is in a regular hexagon shape, the diameter of the bolt body is smaller than that of the bolt head, the diameter of the bolt head is smaller than that of the fastening check ring, and the diameter of the thread fixed end is the same as that of the bolt body.
Description
Technical Field
The utility model relates to bolt design, in particular to a high-strength bolt.
Background
The existing automobile bolt is low in strength, easy to damage and short in service life, and more seriously causes production accidents, crisis finance and human safety.
Disclosure of Invention
The utility model aims to provide a high-strength bolt.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme:
the utility model provides a high strength bolt is one-piece type, includes bolt head and the shank of bolt, be equipped with the fastening retaining ring between bolt head and the shank of bolt, the afterbody of the shank of bolt is equipped with the screw thread stiff end, the surface of screw thread stiff end is equipped with the screw thread, the screw thread stiff end comprises basic unit and superficial layer, the basic unit is alloy cast iron, and the superficial layer is chromium base ceramic composite coating, the bolt head is regular hexagon, the diameter of the shank of bolt is less than the diameter of bolt head, the diameter of bolt head is less than the diameter of fastening retaining ring, the diameter of screw thread stiff end is the same with the diameter of the shank of bolt.
The utility model has the beneficial effects that: the thread fixing end of the utility model is composed of a basic layer and a surface layer, wherein the basic layer is alloy cast iron, and the surface layer is a chromium-based ceramic composite coating, so that the thread fixing end has high strength, is not easy to damage and has long service life.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1-bolt head, 2-bolt body, 3-fastening retainer ring, 4-thread fixing end, 5-thread, 6-basic layer and 7-surface layer.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.
The utility model provides a high strength bolt is one-piece type, includes bolt head 1 and the shank of bolt 2, be equipped with fastening retaining ring 3 between bolt head 1 and the shank of bolt 2, the afterbody of the shank of bolt 2 is equipped with screw thread stiff end 4, the surface of screw thread stiff end 4 is equipped with screw thread 5, screw thread stiff end 4 comprises basic unit 6 and superficial layer 7, basic unit 6 is alloy cast iron, and superficial layer 7 is chromium base ceramic composite coating, bolt head 1 is regular hexagon, the diameter of the shank of bolt 2 is less than the diameter of bolt head 1, the diameter of bolt head 1 is less than the diameter of fastening retaining ring 3, the diameter of screw thread stiff end 4 is the same with the diameter of the shank of bolt 2.
Embodiments of the utility model: the thread fixing end 4 is composed of a basic layer 6 and a surface layer 7, the basic layer 6 is made of alloy cast iron, the surface layer 7 is a chromium-based ceramic composite coating, and the thread fixing end is high in strength, not easy to damage and long in service life.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a high strength bolt, its characterized in that is one-piece type, includes bolt head and the body of bolt, be equipped with the fastening retaining ring between bolt head and the body of bolt, the afterbody of the body of bolt is equipped with the screw thread stiff end, the surface of screw thread stiff end is equipped with the screw thread, the screw thread stiff end comprises basic unit and superficial layer, the basic unit is alloy cast iron, and the superficial layer is chromium base ceramic composite coating, the bolt head is regular hexagon, the diameter of the body of bolt is less than the diameter of bolt head, the diameter of bolt head is less than the diameter of fastening retaining ring, the diameter of screw thread stiff end is the same with the diameter of the body of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121924245.5U CN215673094U (en) | 2021-08-19 | 2021-08-19 | High-strength bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121924245.5U CN215673094U (en) | 2021-08-19 | 2021-08-19 | High-strength bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673094U true CN215673094U (en) | 2022-01-28 |
Family
ID=79952980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121924245.5U Active CN215673094U (en) | 2021-08-19 | 2021-08-19 | High-strength bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673094U (en) |
-
2021
- 2021-08-19 CN CN202121924245.5U patent/CN215673094U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215673094U (en) | High-strength bolt | |
| CN204371918U (en) | High wearable kinematic link | |
| CN202461729U (en) | Extrusion screw tap | |
| CN204716710U (en) | One turns over riveting self-locking nut | |
| CN110905903A (en) | Check bolt assembly | |
| CN201580208U (en) | Lightweight wheel spoke for automobile | |
| CN214742679U (en) | Bolt gasket and split type bolt | |
| CN205036706U (en) | Combined material is with integrative of embedded multi -functional type of screw thread | |
| CN213981593U (en) | Titanium alloy dodecagonal anti-loose weight-reducing flange bolt | |
| CN111306162A (en) | Automobile locking screw | |
| CN201455185U (en) | Split sprue spreader | |
| CN203516375U (en) | Self-tapping anti-disengaging bolt | |
| CN217355168U (en) | Three-combination reinforced anti-loosening screw with anti-loosening glue | |
| CN204851922U (en) | Boats and ships engine tie -rod | |
| CN208495417U (en) | A kind of GH4169 alloy fastener cold-extrusion shaping mold | |
| CN209523985U (en) | A kind of transverse direction with composite buffering material is locked stop nut | |
| CN220890720U (en) | Automobile bolt with strong fatigue resistance | |
| CN212106558U (en) | Tire bolt | |
| CN214617463U (en) | High-strength and impact-toughness steel forging | |
| CN212643283U (en) | Non-loose bolt assembly | |
| CN219262915U (en) | Connecting rod bolt with excellent weather resistance | |
| CN216742393U (en) | Bolt for automobile chassis | |
| CN109356921A (en) | A kind of special fixing bolt | |
| CN217107773U (en) | High-performance ball stud | |
| CN219549323U (en) | High-strength hexagonal antirust bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |