CN205744808U - A kind of high-strength bolt - Google Patents
A kind of high-strength bolt Download PDFInfo
- Publication number
- CN205744808U CN205744808U CN201620413001.3U CN201620413001U CN205744808U CN 205744808 U CN205744808 U CN 205744808U CN 201620413001 U CN201620413001 U CN 201620413001U CN 205744808 U CN205744808 U CN 205744808U
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- China
- Prior art keywords
- rod
- bolt
- thread segment
- segment
- diameter
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of high-strength bolt, including interconnective bolt head and shank of bolt, described shank of bolt includes the interconnective body of rod and thread segment, the diameter of the body of rod is more than the diameter of thread segment, positioning section it is provided with between the body of rod and thread segment, the two ends of positioning section are fixed with thread segment, the body of rod respectively and are connected, described positioning section is incremented by successively from thread segment end to the diameter of body of rod end, thread segment is provided with guide section away from one end of the body of rod, the described body of rod is provided with fixes the reinforced sheet being connected with bolt head, and the diameter of this reinforced sheet is more than the diameter of the body of rod.The utility model proposes one prevents screw thread from excessively rotating, and structural strength is big and the high-strength 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 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.
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 one to prevent screw thread from excessively rotating, and structural strength is big and the high-strength bolt of length in service life.
For reaching above-mentioned purpose, this utility model following scheme of employing:
A kind of high-strength bolt, including interconnective bolt head and shank of bolt, described shank of bolt includes the interconnective body of rod and thread segment, the diameter of the body of rod is more than the diameter of thread segment, positioning section it is provided with between the body of rod and thread segment, the two ends of positioning section are fixed with thread segment, the body of rod respectively and are connected, described positioning section is incremented by successively from thread segment end to the diameter of body of rod end, thread segment is provided with guide section away from one end of the body of rod, the described body of rod is provided with fixes the reinforced sheet being connected with bolt head, and the diameter of this reinforced sheet is more than the diameter of the body of rod.
By using technique scheme, including the interconnective body of rod and thread segment by arranging shank of bolt, thread segment is for by the fixing connection of bolts and nuts, and the body of rod supports, for playing actor, the effect connected.By arranging the diameter diameter more than thread segment of the body of rod, the support strength of the body of rod can be increased.By being provided with positioning section between the body of rod and thread segment, the two ends of this positioning section are fixed with thread segment, the body of rod respectively and are connected, described positioning section is incremented by successively from thread segment end to the diameter of body of rod end, formed one round table-like, the thread segment of bolt not only can be positioned by this round table-like positioning section, prevents thread segment degree of being threaded through；And after thread segment and nut screwing clamping, this positioning section can be fixing with nut laminating, thus increases the fixing intensity 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 increase the intensity of bolt, being provided with by the described body of rod and fix the reinforced sheet being connected with bolt head, the diameter of this reinforced sheet is more than the diameter of the body of rod, and this reinforced sheet can increase the bonding strength between shank of bolt and nut, thus increase the service life of bolt.
This utility model is further arranged to: be provided with changeover portion between the described body of rod and reinforced sheet, this changeover portion includes that fix the first strengthening segment being connected with reinforced sheet fix the second strengthening segment being connected and as the linkage section between the first strengthening segment, the second strengthening segment with the body of rod, described first strengthening segment, the second strengthening segment and linkage section are respectively arcwall face, the diameter of this second strengthening segment, linkage section and the first strengthening segment increases successively, and the radian of the second strengthening segment, linkage section and the first strengthening segment is incremented by successively.
By using technique scheme, in order to increase the intensity of bolt further, by being provided with changeover portion between the body of rod and reinforced sheet, this changeover portion can reduce the stress between the body of rod and reinforced sheet, thus increase the intensity of bolt, include fixing the first strengthening segment being connected with reinforced sheet by arranging changeover portion, the second strengthening segment being connected is fixed and as the first strengthening segment with the body of rod, linkage section between second strengthening segment, described first strengthening segment, second strengthening segment and linkage section are respectively arcwall face, this second strengthening segment, the diameter of linkage section and the first strengthening segment increases successively, second strengthening segment of arcwall face can reduce the connection stress of the body of rod, first strengthening segment can increase the bonding strength between reinforced sheet, reduce the connection stress with reinforced sheet, thus increase the structural strength of bolt；First strengthening segment and the second strengthening segment are effectively connected by the linkage section of this arcwall face, thus reduce the stress between the body of rod and reinforced sheet further, increase the bonding strength between the body of rod and reinforced sheet, thus increase the structural strength of bolt, increase the service life of bolt.
This utility model is further arranged to: described positioning section is 10-20 degree relative to the angle of inclination of the body of rod.
By using technique scheme, it is 10-20 degree by positioning section relative to the angle of inclination of the body of rod, it is if this angle of inclination is the least, then poor to the limit effect of bolt, if this angle of inclination is the biggest, then positioning section can not be fitted with nut, cannot being used for further bolt being fixed, so limiting the positioning section angle of inclination relative to the body of rod as 10-20 degree, can thread segment be carried out spacing in this range of tilt angles, prevent screw thread transition from rotating, and make the fixing intensity of bolt optimal.
This utility model is further arranged to: being shaped as of described guide section is round table-like, and the bottom surface of guide section is fixing with thread segment to be connected.
By using technique scheme, being shaped as round table-like by arrange guide section, the bottom surface of guide section and thread segment are fixed and are connected, and round table-like guide section can ensure that under the structural strength of guide section, and the guidance capability making bolt front end is best.
This utility model is further arranged to: the length of the described body of rod and the lenth ratio of thread segment are 2-3.
By using technique scheme, this body of rod is used for supporting role thing, thread segment is used for supporting fixing bolt, and in order to increase the structural strength of bolt, the lenth ratio of length Yu thread segment by arranging the body of rod is 2-3, this lenth ratio is the biggest, the action length of the supporting role thing of bolt is the biggest, but if this lenth ratio is too big, then easily causes bolt fracture, so limiting the length of the body of rod with the lenth ratio of thread segment as 2-3, within the range the support strength maximum of bolt.
This utility model is further arranged to: described bolt head includes that head end, head end are provided with multiple chamfering, and chamfering is segmental arc with the junction of head end, and each segmental arc of the plurality of chamfering is on the circumference of same circle.
By using technique scheme, in order to increase comfortableness when bolt head tights a bolt, head end is included by arranging bolt head, head end is provided with multiple chamfering, chamfering is segmental arc with the junction of head end, and each segmental arc of the plurality of chamfering is on the circumference of same circle, and each segmental arc surrounds a circle, not only add the structural strength of chamfering, and make staff's more comfort and convenient when handling.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-strength bolt of this utility model.
Fig. 2 is the schematic enlarged-scale view in Fig. 1 at P.
Fig. 3 is the structural representation of bolt head in this practicality.
Reference in figure: bolt head 1, shank of bolt 2, the body of rod 21, thread segment 22, positioning section 3, guide section 4, reinforced sheet 5, changeover portion 6, the first strengthening segment 61, the second strengthening segment 62, linkage section 63, head end 11, chamfering 7, segmental arc 71.
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. 3, a kind of high-strength bolt, including interconnective bolt head 1 and shank of bolt 2, described shank of bolt 2 includes the interconnective body of rod 21 and thread segment 22, the diameter of the body of rod 21 is more than the diameter of thread segment 22, positioning section 3 it is provided with between the body of rod 21 and thread segment 22, the two ends of positioning section 3 respectively with thread segment 22, the body of rod 21 is fixing to be connected, described positioning section 3 is incremented by successively from thread segment 22 end to the diameter of the body of rod 21 end, thread segment 22 is provided with guide section 4 away from one end of the body of rod 21, the described body of rod 21 is provided with the reinforced sheet 5 that be connected fixing with bolt head 1, the diameter of this reinforced sheet 5 is more than the diameter of the body of rod 21.
By using technique scheme, including the interconnective body of rod 21 and thread segment 22 by arranging shank of bolt 2, thread segment 22 is for by the fixing connection of bolts and nuts, and the body of rod 21 supports, for playing actor, the effect connected.By arranging the diameter diameter more than thread segment 22 of the body of rod 21, the support strength of the body of rod 21 can be increased.By being provided with positioning section 3 between the body of rod 21 and thread segment 22, the two ends of this positioning section 3 are fixed be connected with thread segment 22, the bodies of rod 21 respectively, described positioning section 3 is incremented by successively from thread segment 22 end to the diameter of the body of rod 21 end, formed one round table-like, the thread segment 22 of bolt not only can be positioned by this round table-like positioning section 3, prevents thread segment 22 degree of being threaded through；And after thread segment 22 and nut screwing clamping, this positioning section 3 can be fixing with nut laminating, thus increases the fixing intensity of bolt.The installation of bolt for convenience, is provided with guide section 4 by thread segment 22 away from one end of the body of rod 21, and this guide section 4 can facilitate penetrating of bolt, thus facilitates the installation of bolt.In order to increase the intensity of bolt, it is provided with the reinforced sheet 5 that be connected fixing with bolt head 1 by the described body of rod 21, the diameter of this reinforced sheet 5 is more than the diameter of the body of rod 21, and this reinforced sheet 5 can increase the bonding strength between shank of bolt 2 and nut, thus increase the service life of bolt.
This utility model is further arranged to: be provided with changeover portion 6 between the described body of rod 21 and reinforced sheet 5, this changeover portion 6 includes first strengthening segment 61 that be connected fixing with reinforced sheet 5 second strengthening segment 62 that be connected fixing with the body of rod 21 and as the linkage section 63 between first strengthening segment the 61, second strengthening segment 62, described first strengthening segment the 61, second strengthening segment 62 and linkage section 63 are respectively arcwall face, the diameter of this second strengthening segment 62, linkage section 63 and the first strengthening segment 61 increases successively, and the radian of the second strengthening segment 62, linkage section 63 and the first strengthening segment 61 is incremented by successively.
nullBy using technique scheme，In order to increase the intensity of bolt further，By being provided with changeover portion 6 between the body of rod 21 and reinforced sheet 5，This changeover portion 6 can reduce the stress between the body of rod 21 and reinforced sheet 5，Thus increase the intensity of bolt，First strengthening segment 61 that be connected fixing with reinforced sheet 5 is included by arranging changeover portion 6、The second strengthening segment 62 being connected is fixed and as the first strengthening segment 61 with the body of rod 21、Linkage section 63 between second strengthening segment 62，Described first strengthening segment 61、Second strengthening segment 62 and linkage section 63 are respectively arcwall face，This second strengthening segment 62、The diameter of linkage section 63 and the first strengthening segment 61 increases successively，Second strengthening segment 62 of arcwall face can reduce the connection stress of the body of rod 21，First strengthening segment 61 can increase the bonding strength between reinforced sheet 5，Reduce the connection stress with reinforced sheet 5，Thus increase the structural strength of bolt；First strengthening segment 61 and the second strengthening segment 62 are effectively connected by the linkage section 63 of this arcwall face, thus reduce the stress between the body of rod 21 and reinforced sheet 5 further, increase the bonding strength between the body of rod 21 and reinforced sheet 5, thus increase the structural strength of bolt, increase the service life of bolt.
This utility model is further arranged to: described positioning section 3 is 10-20 degree relative to the angle of inclination of the body of rod 21.
By using technique scheme, it is 10-20 degree by positioning section 3 relative to the angle of inclination of the body of rod 21, if this angle of inclination is the least, then poor to the limit effect of bolt, if this angle of inclination is the biggest, then positioning section 3 can not be fitted with nut, cannot be used for further bolt being fixed, so limiting the positioning section 3 angle of inclination relative to the body of rod 21 as 10-20 degree, can thread segment 22 be carried out spacing in this range of tilt angles, prevent screw thread transition from rotating, and make the fixing intensity of bolt optimal.
This utility model is further arranged to: being shaped as of described guide section 4 is round table-like, and the bottom surface of guide section 4 is fixing with thread segment 22 to be connected.
By using technique scheme, being shaped as round table-like by arrange guide section 4, the bottom surface of guide section 4 and thread segment 22 is fixed and is connected, and round table-like guide section 4 can ensure that under the structural strength of guide section 4, the guidance capability making bolt front end is best.
This utility model is further arranged to: the length of the described body of rod 21 and the lenth ratio of thread segment 22 are 2-3.
By using technique scheme, this body of rod 21 is for supporting role thing, thread segment 22 is used for supporting fixing bolt, and in order to increase the structural strength of bolt, the lenth ratio of length Yu thread segment 22 by arranging the body of rod 21 is 2-3, this lenth ratio is the biggest, the action length of the supporting role thing of bolt is the biggest, but if this lenth ratio is too big, then easily causes bolt fracture, so limiting the length of the body of rod 21 with the lenth ratio of thread segment 22 as 2-3, within the range the support strength maximum of bolt.
This utility model is further arranged to: described bolt head 1 includes that head end 11, head end 11 are provided with multiple chamfering 7, and chamfering 7 is segmental arc 71 with the junction of head end 11, and each segmental arc 71 of the plurality of chamfering 7 is on the circumference of same circle.
By using technique scheme, in order to increase comfortableness when bolt head 1 tights a bolt, head end 11 is included by arranging bolt head 1, head end 11 is provided with multiple chamfering 7, chamfering 7 is segmental arc 71 with the junction of head end 11, and each segmental arc 71 of the plurality of chamfering 7 is on the circumference of same circle, and each segmental arc 71 surrounds a circle, not only add the structural strength of chamfering 7, and make staff's more comfort and convenient when handling.
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 (6)
1. a high-strength bolt, including interconnective bolt head and shank of bolt, it is characterized in that: described shank of bolt includes the interconnective body of rod and thread segment, the diameter of the body of rod is more than the diameter of thread segment, positioning section it is provided with between the body of rod and thread segment, the two ends of positioning section are fixed with thread segment, the body of rod respectively and are connected, described positioning section is incremented by successively from thread segment end to the diameter of body of rod end, thread segment is provided with guide section away from one end of the body of rod, the described body of rod is provided with fixes the reinforced sheet being connected with bolt head, and the diameter of this reinforced sheet is more than the diameter of the body of rod.
A kind of high-strength bolt the most according to claim 1, it is characterized in that: between the described body of rod and reinforced sheet, be provided with changeover portion, this changeover portion includes that fix the first strengthening segment being connected with reinforced sheet fix the second strengthening segment being connected and as the linkage section between the first strengthening segment, the second strengthening segment with the body of rod, described first strengthening segment, the second strengthening segment and linkage section are respectively arcwall face, and the diameter of this second strengthening segment, linkage section and the first strengthening segment increases successively.
A kind of high-strength bolt the most according to claim 2, it is characterised in that: described positioning section is 10-20 degree relative to the angle of inclination of the body of rod.
A kind of high-strength bolt the most according to claim 3, it is characterised in that: being shaped as of described guide section is round table-like, and the bottom surface of guide section is fixing with thread segment to be connected.
A kind of high-strength bolt the most according to claim 4, it is characterised in that: the length of the described body of rod and the lenth ratio of thread segment are 2-3.
A kind of high-strength bolt the most according to claim 5, it is characterized in that: described bolt head includes head end, head end is provided with multiple chamfering, and chamfering is segmental arc with the junction of head end, and each segmental arc of the plurality of chamfering is on the circumference of same circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413001.3U CN205744808U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413001.3U CN205744808U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744808U true CN205744808U (en) | 2016-11-30 |
Family
ID=57369998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413001.3U Expired - Fee Related CN205744808U (en) | 2016-05-09 | 2016-05-09 | A kind of high-strength bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084182A (en) * | 2017-06-16 | 2017-08-22 | 航天精工股份有限公司 | A kind of high intensity regulating bolt |
-
2016
- 2016-05-09 CN CN201620413001.3U patent/CN205744808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084182A (en) * | 2017-06-16 | 2017-08-22 | 航天精工股份有限公司 | A kind of high intensity regulating bolt |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190509 |