CN205744802U - A kind of high-strength fastening bolt - Google Patents
A kind of high-strength fastening bolt Download PDFInfo
- Publication number
- CN205744802U CN205744802U CN201620413581.6U CN201620413581U CN205744802U CN 205744802 U CN205744802 U CN 205744802U CN 201620413581 U CN201620413581 U CN 201620413581U CN 205744802 U CN205744802 U CN 205744802U
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- CN
- China
- Prior art keywords
- bolt
- section
- segment
- rod
- strengthening segment
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- 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
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Abstract
The utility model discloses a kind of high-strength fastening bolt, including bolt head and shank of bolt, shank of bolt includes the interconnective body of rod and thread segment, spacing section it is provided with between the body of rod and thread segment, First Transition section it is provided with between thread segment and spacing section, the second changeover portion it is provided with between the body of rod and bolt head, thread segment is provided with guide section away from one end of the body of rod, the end face of described bolt head is provided with reinforcement projection, strengthen projection and be provided with the groove extending in bolt head, described groove includes bottom portion of groove and recessed side portions, recessed side portions is provided with several locating pieces, a locating slot is formed between adjacent positioned block, bottom portion of groove is coniform.The utility model proposes a kind of easy for installation, prevent screw thread from excessively rotating, structural strength is big and the high-strength fastening bolt of length in service life.
Description
Technical field
This utility model relates to a kind of bolt, particularly to a kind of high-strength fastening bolt.
Background technology
Bolt is belonging to machine components, the threaded securing member of cylinder of adapted nut.By bolt head and shank of bolt (with an externally threaded cylinder) class securing member dimerous, needing and nut screw connection, for being fastenedly connected two parts with through hole, this type of attachment claims bolt to connect.As nut is screwed off from bolt, the two part can be made again separately, therefore bolt connection is belonging to removably connect.
Bolt in the market, it is when installing with nut, the most usually occurs that bolt drops out from nut mouth limit, thus it is cumbersome to cause bolt to be installed, the speed that impact is installed.
It is not provided with positioning section between the traditional body of rod on bolt and thread segment, causes the thread segment can excessive spiral so that not firm fixing with bolt of nut, be not sufficiently stable so that bolt is fixing.
Bonding strength between the most traditional shank of bolt and bolt head is poor, so that the service life of bolt is short.The structural strength of shank of bolt is low so that the ability of bolt support is more weak.
Utility model content
The purpose of this utility model is not enough for overcoming present in background technology, and the purpose of this utility model is to propose a kind of easy for installation, prevents screw thread from excessively rotating, and structural strength is big and the high-strength fastening bolt of length in service life.
For reaching above-mentioned purpose, this utility model following scheme of employing:
A kind of high-strength fastening bolt, including bolt head and shank of bolt, shank of bolt includes the interconnective body of rod and thread segment, spacing section it is provided with between the body of rod and thread segment, First Transition section it is provided with between thread segment and spacing section, the second changeover portion it is provided with between the body of rod and bolt head, thread segment is provided with guide section away from one end of the body of rod, the end face of described bolt head is provided with reinforcement projection, strengthen projection and be provided with the groove extending in bolt head, described groove includes bottom portion of groove and recessed side portions, recessed side portions is provided with several locating pieces, a locating slot is formed between adjacent positioned block, bottom portion of groove is coniform.
By using technique scheme, in order to prevent the screw thread of thread segment from excessively rotating, by being provided with spacing section between the body of rod and thread segment, this spacing section of screw thread being possible to prevent thread segment excessively rotates with nut.In order to increase the structural strength of bolt, by being provided with First Transition section between thread segment and spacing section, the second changeover portion it is provided with between the body of rod and bolt head, this First Transition section can reduce the stress between thread segment and spacing section, thus increasing the bonding strength between thread segment and spacing section, this second changeover portion can reduce the stress between the body of rod and bolt head, increases the bonding strength between the body of rod and bolt head, thus increase the bulk strength of bolt, increase the service life of bolt.The installation of bolt for convenience, is provided with guide section by thread segment away from one end of the body of rod, and this guide section can facilitate penetrating of bolt, thus facilitates the installation of bolt.In order to further facilitate the installation of bolt, it is provided with reinforcement projection by the end face of bolt head, this reinforcement projection can increase the intensity of bolt head, strengthen projection and be provided with the groove extending in bolt head, described groove includes bottom portion of groove and recessed side portions, recessed side portions is provided with several locating pieces, a locating slot is formed between adjacent positioned block, bottom portion of groove is coniform, the locating slot of this groove may be used for being fixed bolt, prevent bolt from rotating when nut rotates, thus facilitate the installation of bolt to fix.
This utility model is further arranged to: described guide section includes the first guide section, supporting section and the second guide section being sequentially connected with, first guide section and the second guide section are the most round table-like, and second bottom surface and the thread segment of guide section fixing be connected, one end of supporting section is fixing with the bottom surface of the first guide section to be connected, and the upper bottom surface of the other end and the second guide section is fixing to be connected.
By using technique scheme, by arranging the first guide section that guide section includes being sequentially connected with, supporting section and the second guide section, first guide section and the second guide section are the most round table-like, and second bottom surface and the thread segment of guide section fixing be connected, one end of supporting section is fixing with the bottom surface of the first guide section to be connected, the upper bottom surface of the other end and the second guide section is fixing to be connected, first guide section facilitates the penetrating to nut of supporting section, and supporting section can make bolt penetrate to nut to be difficult to skid off, second guide section can facilitate thread segment to penetrate to nut, thread segment is engaged with nut, thus facilitate the fixed installation of bolt.
This utility model is further arranged to: described First Transition section includes fixing, with spacing section, the first strengthening segment being connected and fixing the second strengthening segment being connected with thread segment, described first strengthening segment and the second strengthening segment are respectively arcwall face, and this second strengthening segment, the diameter of the first strengthening segment are incremented by successively.
By using technique scheme, in order to increase the intensity of bolt further, include fixing, with spacing section, the first strengthening segment being connected and fixing the second strengthening segment being connected with thread segment by arranging First Transition section, described first strengthening segment and the second strengthening segment are respectively arcwall face, and this second strengthening segment, the diameter of the first strengthening segment is incremented by successively, second strengthening segment of arcwall face can reduce the connection stress with thread segment, first strengthening segment of arcwall face can reduce the bonding strength between spacing section, increase the bonding strength between spacing section and thread segment, thus increase the structural strength of bolt, increase the service life of bolt.
This utility model is further arranged to: described second changeover portion includes that fix the 3rd strengthening segment being connected with bolt head fix the 4th strengthening segment being connected and as the linkage section between the 3rd strengthening segment, the 4th strengthening segment with the body of rod, described 3rd strengthening segment, the 4th strengthening segment and linkage section are respectively arcwall face, and the diameter of the 4th strengthening segment, linkage section and the 3rd strengthening segment is incremented by successively.
nullBy using technique scheme，In order to increase the intensity of bolt further，Include fixing the 3rd strengthening segment being connected with bolt head by arranging the second changeover portion、The 4th strengthening segment being connected is fixed and as the 3rd strengthening segment with the body of rod、Linkage section between 4th strengthening segment，Described 3rd strengthening segment、4th strengthening segment and linkage section are respectively arcwall face，4th strengthening segment、The diameter of linkage section and the 3rd strengthening segment is incremented by successively，3rd strengthening segment of this arcwall face same can reduce the connection stress with bolt head，4th strengthening segment of this arcwall face can reduce the connection stress with the body of rod，3rd strengthening segment and the 4th strengthening segment are effectively connected by the linkage section of arcwall face，Thus reduce the stress between bolt head and the body of rod further，Increase the bonding strength between bolt head and the body of rod，Thus increase the structural strength of bolt，Increase the service life of bolt.
This utility model is further arranged to: the diameter of described thread segment and the diameter ratio of the body of rod are 0.5-0.75.
By using technique scheme, in order to increase the structural strength of the body of rod, it is 0.5-0.75 by the diameter ratio of the diameter of the section of being threaded Yu the body of rod, this direct ratio is the biggest, the structural strength of the body of rod is the biggest, if this ratio is the biggest, the then bearing capacity of the inadequate support rod body of thread segment bonding strength comparatively speaking, so limiting the diameter of thread segment and the diameter ratio of the body of rod as 0.5-0.75, the structural strength making the body of rod on the premise of ensureing the bonding strength of thread segment in this direct ratio range is best, and bearing capacity is maximum.
This utility model is further arranged to: described spacing section is provided with reinforcement cambered surface, and the radian of this reinforcement cambered surface is 60 degree of-90 degree.
By using technique scheme, it is provided with reinforcement cambered surface by spacing section, this reinforcement cambered surface increases the structural strength of bolt, prevent bolt from colliding with and produce damage, being 60 degree of-90 degree by arranging the radian of this reinforcement cambered surface, this radian is the least or too big, and it is the most poor that it puts the ability of colliding with, so the radian limiting this reinforcement cambered surface is spent as 60 degree-90, best in the structural strength of this arc range inner bolt.
This utility model is further arranged to: described locating piece be shaped as arc-shaped, the quantity of locating piece is six.
By using technique scheme, by arranging the arc-shaped that is shaped as of locating piece, the good positioning effect of the locating piece of arc-shaped, and it is not easy to damage so that its service life is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-strength fastening bolt of this utility model.
Fig. 2 is the structural representation of bolt head in this utility model.
Fig. 3 is the schematic enlarged-scale view of A in Fig. 1.
Fig. 4 is the schematic enlarged-scale view of B in Fig. 1.
Reference in figure: bolt head 1, shank of bolt 2, the body of rod 21, thread segment 22, spacing section 3, First Transition section 4, the second changeover portion 5, guide section 6, strengthen projection 11, groove 7, bottom portion of groove 71, recessed side portions 72, locating piece 721, locating slot 722, the first guide section 61, supporting section 62, second guide section 63, the first strengthening segment 41, the second strengthening segment 42, the 3rd strengthening segment 51, linkage section 52, the 4th strengthening segment 53, strengthen cambered surface 31.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Referring to figs. 1 to Fig. 4, a kind of high-strength fastening bolt, including bolt head 1 and shank of bolt 2, shank of bolt 2 includes the interconnective body of rod 21 and thread segment 22, spacing section 3 it is provided with between the body of rod 21 and thread segment 22, First Transition section 4 it is provided with between thread segment 22 and spacing section 3, the second changeover portion 5 it is provided with between the body of rod 21 and bolt head 1, thread segment 22 is provided with guide section 6 away from one end of the body of rod 21, the end face of described bolt head 1 is provided with reinforcement projection 11, strengthen projection 11 and be provided with the groove 7 extended in bolt head 1, described groove 7 includes bottom portion of groove 71 and recessed side portions 72, recessed side portions 72 is provided with several locating pieces 721, a locating slot 722 is formed between adjacent positioned block 721, bottom portion of groove 71 is coniform.
By using technique scheme, in order to prevent the screw thread of thread segment 22 from excessively rotating, by being provided with spacing section 3 between the body of rod 21 and thread segment 22, this spacing section 3 screw thread being possible to prevent thread segment 22 excessively rotates with nut.In order to increase the structural strength of bolt, by being provided with First Transition section 4 between thread segment 22 and spacing section 3, the second changeover portion 5 it is provided with between the body of rod 21 and bolt head 1, this First Transition section 4 can reduce the stress between thread segment 22 and spacing section 3, thus increase the bonding strength between thread segment 22 and spacing section 3, this second changeover portion 5 can reduce the stress between the body of rod 21 and bolt head 1, increase the bonding strength between the body of rod 21 and bolt head 1, thus increase the bulk strength of bolt, increase the service life of bolt.The installation of bolt for convenience, is provided with guide section 6 by thread segment 22 away from one end of the body of rod 21, and this guide section 6 can facilitate penetrating of bolt, thus facilitates the installation of bolt.In order to further facilitate the installation of bolt, it is provided with reinforcement projection 11 by the end face of bolt head 1, this reinforcement projection 11 can increase the intensity of bolt head 1, strengthen projection 11 and be provided with the groove 7 extended in bolt head 1, described groove 7 includes bottom portion of groove 71 and recessed side portions 72, recessed side portions 72 is provided with several locating pieces 721, a locating slot 722 is formed between adjacent positioned block 721, bottom portion of groove 71 is coniform, the locating slot 722 of this groove 7 may be used for being fixed bolt, prevent bolt from rotating when nut rotates, thus facilitate the installation of bolt to fix.
This utility model is further arranged to: described guide section 6 includes the first guide section 61, supporting section 62 and the second guide section 63 being sequentially connected with, first guide section 61 and the second guide section 63 are the most round table-like, and second bottom surface and the thread segment 22 of guide section 63 fixing be connected, one end of supporting section 62 is fixing with the bottom surface of the first guide section 61 to be connected, and the upper bottom surface of the other end and the second guide section 63 is fixing to be connected.
By using technique scheme, by arranging the first guide section 61 that guide section 6 includes being sequentially connected with, supporting section 62 and the second guide section 63, first guide section 61 and the second guide section 63 are the most round table-like, and second bottom surface and the thread segment 22 of guide section 63 fixing be connected, one end of supporting section 62 is fixing with the bottom surface of the first guide section 61 to be connected, the upper bottom surface of the other end and the second guide section 63 is fixing to be connected, first guide section 61 facilitates the penetrating to nut of supporting section 62, and supporting section 62 can make bolt penetrate to nut to be difficult to skid off, second guide section 63 can facilitate thread segment 22 to penetrate to nut, thread segment 22 is engaged with nut, thus facilitate the fixed installation of bolt.
This utility model is further arranged to: described First Transition section 4 includes and spacing section 3 fixing the first strengthening segment 41 being connected and second strengthening segment 42 that be connected fixing with thread segment 22, described first strengthening segment 41 and the second strengthening segment 42 are respectively arcwall face, and the diameter of this second strengthening segment the 42, first strengthening segment 41 is incremented by successively.
By using technique scheme, in order to increase the intensity of bolt further, include and spacing section 3 fixing the first strengthening segment 41 being connected and second strengthening segment 42 that be connected fixing with thread segment 22 by arranging First Transition section 4, described first strengthening segment 41 and the second strengthening segment 42 are respectively arcwall face, and this second strengthening segment 42, the diameter of the first strengthening segment 41 is incremented by successively, second strengthening segment 42 of arcwall face can reduce the connection stress with thread segment 22, first strengthening segment 41 of arcwall face can reduce the bonding strength between spacing section 3, increase the bonding strength between spacing section 3 and thread segment 22, thus increase the structural strength of bolt, increase the service life of bolt.
This utility model is further arranged to: described second changeover portion 5 includes threeth strengthening segment 51 that be connected fixing with bolt head 1 fourth strengthening segment 53 that be connected fixing with the body of rod 21 and as the linkage section 52 between the 3rd strengthening segment the 51, the 4th strengthening segment 53, described 3rd strengthening segment the 51, the 4th strengthening segment 53 and linkage section 52 are respectively arcwall face, and the diameter of the 4th strengthening segment 53, linkage section 52 and the 3rd strengthening segment 51 is incremented by successively.
nullBy using technique scheme，In order to increase the intensity of bolt further，Threeth strengthening segment 51 that be connected fixing with bolt head 1 is included by arranging the second changeover portion 5、The 4th strengthening segment 53 being connected is fixed and as the 3rd strengthening segment 51 with the body of rod 21、Linkage section 52 between 4th strengthening segment 53，Described 3rd strengthening segment 51、4th strengthening segment 53 and linkage section 52 are respectively arcwall face，4th strengthening segment 53、The diameter of linkage section 52 and the 3rd strengthening segment 51 is incremented by successively，3rd strengthening segment 51 of this arcwall face same can reduce the connection stress with bolt head 1，4th strengthening segment 53 of this arcwall face can reduce the connection stress with the body of rod 21，3rd strengthening segment 51 and the 4th strengthening segment 53 are effectively connected by the linkage section 52 of arcwall face，Thus reduce the stress between bolt head 1 and the body of rod 21 further，Increase the bonding strength between bolt head 1 and the body of rod 21，Thus increase the structural strength of bolt，Increase the service life of bolt.
This utility model is further arranged to: the diameter of described thread segment 22 and the diameter ratio of the body of rod 21 are 0.5-0.75.
By using technique scheme, in order to increase the structural strength of the body of rod 21, it is 0.5-0.75 by the diameter ratio of the diameter of the section of being threaded 22 Yu the body of rod 21, this direct ratio is the biggest, the structural strength of the body of rod 21 is the biggest, if this ratio is the biggest, the then bearing capacity of the inadequate support rod body of thread segment 22 bonding strength comparatively speaking 21, so limiting the diameter of thread segment 22 and the diameter ratio of the body of rod 21 as 0.5-0.75, the structural strength making the body of rod 21 on the premise of ensureing the bonding strength of thread segment 22 in this direct ratio range is best, and bearing capacity is maximum.
This utility model is further arranged to: described spacing section 3 is provided with reinforcement cambered surface 31, and the radian of this reinforcement cambered surface 31 is 60 degree of-90 degree.
By using technique scheme, it is provided with reinforcement cambered surface 31 by spacing section 3, this reinforcement cambered surface 31 increases the structural strength of bolt, prevent bolt from colliding with and produce damage, being 60 degree of-90 degree by arranging the radian of this reinforcement cambered surface 31, this radian is the least or too big, and it is the most poor that it puts the ability of colliding with, so the radian limiting this reinforcement cambered surface 31 is spent as 60 degree-90, best in the structural strength of this arc range inner bolt.
This utility model is further arranged to: described locating piece 721 be shaped as arc-shaped, the quantity of locating piece 721 is six.
By using technique scheme, by arranging the arc-shaped that is shaped as of locating piece 721, the good positioning effect of the locating piece 721 of arc-shaped, and it is not easy to damage so that its service life is long.
The foregoing is only preferred embodiment of the present utility model, not with the present embodiment for limiting, all any amendment, equivalent or improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (7)
1. a high-strength fastening bolt, including bolt head and shank of bolt, it is characterized in that: shank of bolt includes the interconnective body of rod and thread segment, spacing section it is provided with between the body of rod and thread segment, First Transition section it is provided with between thread segment and spacing section, the second changeover portion it is provided with between the body of rod and bolt head, thread segment is provided with guide section away from one end of the body of rod, the end face of described bolt head is provided with reinforcement projection, strengthen projection and be provided with the groove extending in bolt head, described groove includes bottom portion of groove and recessed side portions, recessed side portions is provided with several locating pieces, a locating slot is formed between adjacent positioned block, bottom portion of groove is coniform.
A kind of high-strength fastening bolt the most according to claim 1, it is characterized in that: described guide section includes the first guide section, supporting section and the second guide section being sequentially connected with, first guide section and the second guide section are the most round table-like, and second bottom surface and the thread segment of guide section fixing be connected, one end of supporting section is fixing with the bottom surface of the first guide section to be connected, and the upper bottom surface of the other end and the second guide section is fixing to be connected.
A kind of high-strength fastening bolt the most according to claim 2, it is characterized in that: described First Transition section includes fixing, with spacing section, the first strengthening segment being connected and fixing the second strengthening segment being connected with thread segment, described first strengthening segment and the second strengthening segment are respectively arcwall face, and this second strengthening segment, the diameter of the first strengthening segment are incremented by successively.
A kind of high-strength fastening bolt the most according to claim 3, it is characterized in that: described second changeover portion includes that fix the 3rd strengthening segment being connected with bolt head fix the 4th strengthening segment being connected and as the linkage section between the 3rd strengthening segment, the 4th strengthening segment with the body of rod, described 3rd strengthening segment, the 4th strengthening segment and linkage section are respectively arcwall face, and the diameter of the 4th strengthening segment, linkage section and the 3rd strengthening segment is incremented by successively.
A kind of high-strength fastening bolt the most according to claim 4, it is characterised in that: the diameter of described thread segment and the diameter ratio of the body of rod are 0.5-0.75.
A kind of high-strength fastening bolt the most according to claim 5, it is characterised in that: described spacing section is provided with reinforcement cambered surface, and the radian of this reinforcement cambered surface is 60 degree of-90 degree.
A kind of high-strength fastening bolt the most according to claim 6, it is characterised in that: described locating piece be shaped as arc-shaped, the quantity of locating piece is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413581.6U CN205744802U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413581.6U CN205744802U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744802U true CN205744802U (en) | 2016-11-30 |
Family
ID=57371407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413581.6U Expired - Fee Related CN205744802U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939646A (en) * | 2017-07-11 | 2018-04-20 | 浙江巨霸焊接设备制造有限公司 | A kind of crankshaft installed structure of oilless air compressor |
| CN108775319A (en) * | 2018-07-09 | 2018-11-09 | 周民华 | A kind of light rail fixing bolt |
| CN114060385A (en) * | 2020-08-07 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Assembly component and fastener |
-
2016
- 2016-05-09 CN CN201620413581.6U patent/CN205744802U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939646A (en) * | 2017-07-11 | 2018-04-20 | 浙江巨霸焊接设备制造有限公司 | A kind of crankshaft installed structure of oilless air compressor |
| CN108775319A (en) * | 2018-07-09 | 2018-11-09 | 周民华 | A kind of light rail fixing bolt |
| CN108775319B (en) * | 2018-07-09 | 2024-01-16 | 周民华 | Light rail fixing bolt |
| CN114060385A (en) * | 2020-08-07 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Assembly component and fastener |
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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: 20161130 Termination date: 20190509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |