CN205715169U - A kind of novel bolt - Google Patents
A kind of novel bolt Download PDFInfo
- Publication number
- CN205715169U CN205715169U CN201620416771.3U CN201620416771U CN205715169U CN 205715169 U CN205715169 U CN 205715169U CN 201620416771 U CN201620416771 U CN 201620416771U CN 205715169 U CN205715169 U CN 205715169U
- Authority
- CN
- China
- Prior art keywords
- boss
- rib
- bolt
- screw rod
- annular groove
- 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.)
- Expired - Fee Related
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
nullThe utility model discloses a kind of novel bolt，Aim to provide a kind of structural strength high，Anti-loosening，The novel bolt that load capacity is strong，Its drip irrigation device is that bolt body includes bolt head and screw rod，Described bolt head includes the first bottom surface，First bottom surface is provided with the first annular groove，The groove inwall of the first annular groove includes the first rib、Connecting portion and the second rib，Connecting portion is placed between the first rib and the second rib，First rib、Connecting portion and the second rib are all in arc-shaped，Described first bottom surface is 0.5mm to the distance of the first annular groove bottom land，Described screw rod is provided with the first boss and the second boss，First terrace it is formed with between first boss and screw rod，Second step face it is formed with between first boss and the second boss，This utility model is applicable to connector technical field.
Description
Technical field
This utility model relates to a kind of connector technical field, more specifically, it relates to a kind of novel bolt.
Background technology
Bolt is also called head screw, a holding screw, is a kind of screw specializing in fixed member relative to position.
During use, holding screw is screwed in the screw of parts to be fixed, be pressed on the surface of another parts with the end of screw, even if previous parts are fixed on rear parts.Fluting and interior hexagonal holding screw do not allow the parts exposed for ailhead, and square toes holding screw is applicable on the parts that ailhead allows to expose.The thrust of screw is minimum with slotted screw, and square head screw is maximum, and soket head cap screw is placed in the middle.
At present, the bolt on market, it includes bolt body.Although low cost, join domain is wide, but structural strength is low, and the most loosening and negative load ability is poor is all the problem that presently, there are.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of structural strength high, anti-loosening, the novel bolt that load capacity is strong.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of novel bolt，Including bolt body，Described bolt body includes bolt head and screw rod，Described bolt head includes the first bottom surface，First bottom surface is provided with the first annular groove，The groove inwall of the first annular groove includes the first rib、Connecting portion and the second rib，Connecting portion is placed between the first rib and the second rib，First rib、Connecting portion and the second rib are all in arc-shaped，Described first bottom surface is 0.5mm to the distance of the first annular groove bottom land，Described screw rod is provided with the first boss and the second boss，First terrace it is formed with between first boss and screw rod，Second step face it is formed with between first boss and the second boss，The area of First terrace is more than the area in second step face，Connection reinforcement block it is additionally provided with between second boss and bolt head，The 3rd boss it is additionally provided with on the side of connection reinforcement block，The cross section triangular shape of the 3rd boss，Connection reinforcement block and the 3rd boss one connect the fastening part that Formation cross-section is rounding mesa-shaped.
nullBy using technique scheme，Bolt body includes bolt head and screw rod，Bolt head includes the first bottom surface，First bottom surface is provided with the first annular groove，The groove inwall of the first annular groove includes the first rib、Connecting portion and the second rib，Connecting portion is placed between the first rib and the second rib，First rib、Connecting portion and the second rib are all in arc-shaped，The distance of the first bottom surface to the first annular groove bottom land is 0.5mm，Find in our study，Pretension can improve the reliability that bolt connects、Anti-loose ability and the fatigue strength of bolt，Strengthen the compactness and rigidity connected，In fact，Substantial amounts of test and use empirical evidence: the higher pretightning force reliability to connecting is all useful with the connected life-span，Connection to there being seal request especially is the most necessary，But too high pretightning force，If controlling improper or accidentally transshipping，The most often can cause the inefficacy connected，Therefore，The pretightning force accurately determining bolt is very important，Therefore to improve the pretightning force of bolt body，It is contact surface in the first bottom surface of bolt head and connector，The first annular groove that first bottom surface is provided with，The groove inwall of the first annular groove includes the first rib、Connecting portion and the second rib，Connecting portion is placed between the first rib and the second rib，First rib、Connecting portion and the second rib are all in arc-shaped，The distance of the first bottom surface to the first annular groove bottom land is 0.5mm，By above-mentioned setting，Change material by the shape increasing or changing annular groove and coefficient is affected for pretightning force，Increase pretightning force size，In order to make pretightning force be unlikely to too high，It is optimal when being 0.5mm by the distance controlling of the first bottom surface to the first annular groove bottom land，Screw rod is provided with the first boss and the second boss，First terrace it is formed with between first boss and screw rod，Second step face it is formed with between first boss and the second boss，The area of First terrace is more than the area in second step face，Connection reinforcement block it is additionally provided with between second boss and bolt head，The 3rd boss it is additionally provided with on the side of connection reinforcement block，The cross section triangular shape of the 3rd boss，Connection reinforcement block and the 3rd boss one connect the fastening part that Formation cross-section is rounding mesa-shaped，In order to increase the intensity of screw rod，And bear the increase in the density of load，Screw rod is provided with the first boss and the second boss，First terrace it is formed with between first boss and screw rod，Second step face it is formed with between first boss and the second boss，The area of First terrace is more than the area in second step face，Because the area of First terrace is more than the area in second step face，During load is conducted，The ability consumed when we have found that the conduction that the step surface of different sizes carries out is different，And it is better，In order to increase the bonding strength between bolt head and screw rod，Connection reinforcement block it is additionally provided with between second boss and bolt head，The 3rd boss it is additionally provided with on the side of connection reinforcement block，The cross section triangular shape of the 3rd boss，Connection reinforcement block and the 3rd boss one connect the fastening part that Formation cross-section is rounding mesa-shaped，And by the connection reinforcement block increased，And the 3rd boss that lateral cross section is triangle it is provided with in its side，Further increase structural strength，It is simultaneously connected with boss and the 3rd boss one connects the fastening part that Formation cross-section is rounding mesa-shaped，Also make have, during installing, the effect gradually fastened.
This utility model is further arranged to: described screw rod includes connecting end, and the end end connecting end is provided with the conducting part for conducting load, and described conducting part is rounding mesa-shaped.
nullBy using technique scheme，Screw rod includes connecting end，The end end connecting end is provided with the conducting part for conducting load，Conducting part is rounding mesa-shaped，Conducting part includes the first side and the second side，90 degree of angles are formed between first side and the second side，Research according to us finds，The different end ends that connects is applicable to the working environment of different load，Such as cylindrical end end is applicable to the working environment of top load，And tapering point bolt is applicable on the parts that intensity is less，But by finding when in use，The bolt of cylindrical end is after installing connection，Since it is desired that the load born is bigger，It is susceptible to loosen，Bolt for tapered end is less because of the load that can bear，And because the impact of tapered end shape，Easily cause the damage for connector surface，Therefore after by above-mentioned research，It is provided with the conducting part for conducting load on the end of end by connecting at screw rod，Conducting part is rounding mesa-shaped，The load capacity of bolt body can not only be increased，And it is less likely to occur to loosen，And the protection for connecting hole，Conducting part includes the first side and the second side，90 degree of angles are formed between first side and the second side，Further the angle between the first side and second side of conducting part being arranged on 90 degree is for optimal effect.
This utility model is further arranged to: be provided with the first anti-skidding lines between described bolt head and fastening part.
By using technique scheme, between bolt head and fastening part, it is provided with the first anti-skidding lines, by being provided with the first anti-skidding lines between bolt head and fastening part, facilitates and the convenience connected is installed, and add work efficiency.
This utility model is further arranged to: described screw rod is provided with for installing the anti-skidding lines of anti-skidding second.
By using technique scheme, screw rod is provided with for installing the anti-skidding lines of anti-skidding second, by being provided with on screw rod for installing the anti-skidding lines of anti-skidding second, facilitates and installs the convenience connected, and add work efficiency.
Accompanying drawing explanation
Fig. 1 be a kind of novel bolt embodiment of this utility model face structural representation.
Fig. 2 is that Fig. 1-A of a kind of novel bolt embodiment of this utility model locates structure enlarged diagram.
Reference in figure, 1-bolt head, 10-the first annular groove, 101-the first rib, 102-connecting portion, 103-the second rib, 2-screw rod, 20-the first boss, 21-the second boss, 201-First terrace, 210-second step face, 22-connection reinforcement block, 220-the 3rd boss, 23-connects end, 24-conducting part, the anti-skidding lines of 25-first, the anti-skidding lines of 26-second.
Detailed description of the invention
It is described further referring to figs. 1 through Fig. 2 novel bolt embodiment a kind of to this utility model.
nullA kind of novel bolt，Including bolt body，Bolt body includes bolt head 1 and screw rod 2，Bolt head 1 includes the first bottom surface，First bottom surface is provided with the first annular groove 10，The groove inwall of the first annular groove 10 includes the first rib 101、Connecting portion 102 and the second rib 103，Connecting portion 102 is placed between the first rib 101 and the second rib 103，First rib 101、Connecting portion 102 and the second rib 103 are all in arc-shaped，First bottom surface is 0.5mm to the distance of the first annular groove 10 bottom land，Find in our study，Pretension can improve the reliability that bolt connects、Anti-loose ability and the fatigue strength of bolt，Strengthen the compactness and rigidity connected，In fact，Substantial amounts of test and use empirical evidence: the higher pretightning force reliability to connecting is all useful with the connected life-span，Connection to there being seal request especially is the most necessary，But too high pretightning force，If controlling improper or accidentally transshipping，The most often can cause the inefficacy connected，Therefore，The pretightning force accurately determining bolt is very important，Therefore to improve the pretightning force of bolt body，It is contact surface in the first bottom surface of bolt head 1 and connector，The first annular groove 10 that first bottom surface is provided with，The groove inwall of the first annular groove 10 includes the first rib 101、Connecting portion 102 and the second rib 103，Connecting portion 102 is placed between the first rib 101 and the second rib 103，First rib 101、Connecting portion 102 and the second rib 103 are all in arc-shaped，First bottom surface is 0.5mm to the distance of the first annular groove 10 bottom land，By above-mentioned setting，Change material by the shape increasing or changing annular groove and coefficient is affected for pretightning force，Increase pretightning force size，In order to make pretightning force be unlikely to too high，It is optimal when being 0.5mm by the distance controlling of the first bottom surface to the first annular groove 10 bottom land，Screw rod 2 is provided with the first boss 20 and the second boss 21，It is formed with First terrace 201 between first boss 20 and screw rod 2，It is formed with second step face 210 between first boss 20 and the second boss 21，The area of First terrace 201 is more than the area in second step face 210，It is additionally provided with connection reinforcement block 22 between second boss 21 and bolt head 1，The 3rd boss 220 it is additionally provided with on the side of connection reinforcement block 22，The cross section triangular shape of the 3rd boss 220，Connection reinforcement block 22 and the 3rd boss 220 one connect the fastening part that Formation cross-section is rounding mesa-shaped，In order to increase the intensity of screw rod 2，And bear the increase in the density of load，Screw rod 2 is provided with the first boss 20 and the second boss 21，It is formed with First terrace 201 between first boss 20 and screw rod 2，It is formed with second step face 210 between first boss 20 and the second boss 21，The area of First terrace 201 is more than the area in second step face 210，Because the area of First terrace 201 is more than the area in second step face 210，During load is conducted，The ability consumed when we have found that the conduction that the step surface of different sizes carries out is different，And it is better，In order to increase the bonding strength between bolt head 1 and screw rod 2，It is additionally provided with connection reinforcement block 22 between second boss 21 and bolt head 1，The 3rd boss 220 it is additionally provided with on the side of connection reinforcement block 22，The cross section triangular shape of the 3rd boss 220，Connection reinforcement block 22 and the 3rd boss 220 one connect the fastening part that Formation cross-section is rounding mesa-shaped，And by the connection reinforcement block 22 increased，And the 3rd boss 220 that lateral cross section is triangle it is provided with in its side，Further increase structural strength，It is simultaneously connected with boss 22 and the 3rd boss 220 one connects the fastening part that Formation cross-section is rounding mesa-shaped，Also make have, during installing, the effect gradually fastened.
nullThis utility model is further arranged to，Screw rod 2 includes connecting end 23，The end end connecting end 23 is provided with the conducting part 24 for conducting load，Conducting part 24 is in rounding mesa-shaped，Research according to us finds，Different end 23 ends that connects is applicable to the working environment of different load，Such as cylindrical end end is applicable to the working environment of top load，And tapering point bolt is applicable on the parts that intensity is less，But by finding when in use，The bolt of cylindrical end is after installing connection，Since it is desired that the load born is bigger，It is susceptible to loosen，Bolt for tapered end is less because of the load that can bear，And because the impact of tapered end shape，Easily cause the damage for connector surface，Therefore after by above-mentioned research，By connecting the conducting part 24 being provided with on the end of end 23 for conducting load at screw rod 2，Conducting part 24 is in rounding mesa-shaped，The load capacity of bolt body can not only be increased，And it is less likely to occur to loosen，And the protection for connecting hole.
This utility model is further arranged to, and is provided with the first anti-skidding lines 25 between bolt head 1 and fastening part, by being provided with the first anti-skidding lines 25 between bolt head 1 and fastening part, facilitates and installs the convenience connected, and add work efficiency.
This utility model is further arranged to, and screw rod 2 is provided with for installing the anti-skidding lines of anti-skidding second 26, by being provided with on screw rod 2 for installing the anti-skidding lines of anti-skidding second 26, facilitates and installs the convenience connected, and add work efficiency.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, those skilled in the art carries out common variations and alternatives in the range of technical solutions of the utility model and should be included in protection domain of the present utility model.
Claims (4)
- null1. a novel bolt，Including bolt body，It is characterized in that: described bolt body includes bolt head and screw rod，Described bolt head includes the first bottom surface，First bottom surface is provided with the first annular groove，The groove inwall of the first annular groove includes the first rib、Connecting portion and the second rib，Connecting portion is placed between the first rib and the second rib，First rib、Connecting portion and the second rib are all in arc-shaped，Described first bottom surface is 0.5mm to the distance of the first annular groove bottom land，Described screw rod is provided with the first boss and the second boss，First terrace it is formed with between first boss and screw rod，Second step face it is formed with between first boss and the second boss，The area of First terrace is more than the area in second step face，Connection reinforcement block it is additionally provided with between second boss and bolt head，The 3rd boss it is additionally provided with on the side of connection reinforcement block，The cross section triangular shape of the 3rd boss，Connection reinforcement block and the 3rd boss one connect the fastening part that Formation cross-section is rounding mesa-shaped.
- The novel bolt of one the most according to claim 1, is characterized in that: described screw rod includes connecting end, and the end end connecting end is provided with the conducting part for conducting load, and described conducting part is rounding mesa-shaped.
- The novel bolt of one the most according to claim 1, is characterized in that: be provided with the first anti-skidding lines between described bolt head and fastening part.
- The novel bolt of one the most according to claim 1, is characterized in that: described screw rod is provided with for installing the anti-skidding lines of anti-skidding second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416771.3U CN205715169U (en) | 2016-05-09 | 2016-05-09 | A kind of novel bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416771.3U CN205715169U (en) | 2016-05-09 | 2016-05-09 | A kind of novel bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205715169U true CN205715169U (en) | 2016-11-23 |
Family
ID=57304101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620416771.3U Expired - Fee Related CN205715169U (en) | 2016-05-09 | 2016-05-09 | A kind of novel bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205715169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320730A (en) * | 2022-08-23 | 2022-11-11 | 奇瑞汽车股份有限公司 | Section bar threaded sleeve connection structure |
-
2016
- 2016-05-09 CN CN201620416771.3U patent/CN205715169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320730A (en) * | 2022-08-23 | 2022-11-11 | 奇瑞汽车股份有限公司 | Section bar threaded sleeve connection structure |
| CN115320730B (en) * | 2022-08-23 | 2024-03-26 | 奇瑞汽车股份有限公司 | Profile threaded sleeve connecting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3147157U (en) | Driver bit | |
| TWI518255B (en) | To prevent loosening of the screw assembly | |
| CN205715169U (en) | A kind of novel bolt | |
| CN204450467U (en) | There is the reliable hand-operated tools connected | |
| CN209908934U (en) | Two-in-one conjoined fast-assembling outer cover for furniture | |
| CN210637353U (en) | Bolt vibration-proof connecting structure | |
| CN204899348U (en) | Manual parking stall of T type lock | |
| CN204041694U (en) | A kind of wheel nut assembly | |
| CN211423122U (en) | Screw with limiting groove | |
| CN205744803U (en) | A kind of high intensity riveted joint bolt | |
| CN205715194U (en) | A kind of novel high-strength nut | |
| CN203730523U (en) | Self-locking wood screw | |
| CN202811778U (en) | Clamp type anti-shock and anti-loose nut | |
| CN205744791U (en) | A kind of pressure bolt | |
| CN207864381U (en) | Hex welding nut | |
| CN102297191B (en) | Anti-slip screw | |
| US20090229426A1 (en) | Open-end wrench | |
| CN209737454U (en) | adjustable valve wrench | |
| CN214617412U (en) | Hexagonal screw with anti-skid teeth | |
| CN220268178U (en) | Anti-loosening check screw | |
| CN211314813U (en) | Bolt fastening connection structure | |
| CN203348766U (en) | Pipe joint for automobile | |
| CN206072073U (en) | A kind of holding screw | |
| CN201301852Y (en) | Rivet | |
| CN204692290U (en) | A kind of high-performance hexagon weld nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |