CN204419812U - A kind of Triangle ID bolt and mold and punching head thereof - Google Patents
A kind of Triangle ID bolt and mold and punching head thereof Download PDFInfo
- Publication number
- CN204419812U CN204419812U CN201520057757.4U CN201520057757U CN204419812U CN 204419812 U CN204419812 U CN 204419812U CN 201520057757 U CN201520057757 U CN 201520057757U CN 204419812 U CN204419812 U CN 204419812U
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- triangle
- section
- bolt
- triangular groove
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Abstract
The utility model discloses a kind of Triangle ID bolt; It comprises head, head is provided with triangular groove, the sideline, cross section of triangular groove comprises: equally distributed three outwardly the first arc sections of the circumference along head, be provided with between two adjacent the first arc sections to projecting inward transition circle segmental arc, three the first arc sections and three transition circle segmental arcs together constitute the sideline, cross section of triangular groove; The sideline, cross section of triangular groove is arc section, makes surface of contact be arch, better stressed, adds the surface of contact with spanner simultaneously, avoids skidding, improve intensity and the working life of product.In addition, the invention also discloses a kind of mold and punching head processing Triangle ID bolt, the cross section of mold and punching head is identical with the cross section of triangular groove, and the Triangle ID bolt of its processing can avoid skidding, improves intensity and the working life of product.
Description
Technical field
The utility model relates to fastening piece and machining tool technical field thereof, particularly relates to a kind of Triangle ID bolt and mold and punching head thereof.
Background technique
Fastening piece is mainly used in being fastenedly connected, and its application at mechanical field is very extensive.Conventional fastening piece has bolt, stud, screw, nut etc.Bolt is that be divided into according to the shape of head: hexagon head, round end, square spigot, countersunk head etc., wherein snap bolt is mainly hexagon socket head cap screw by head and screw rod fastening piece dimerous, also has hexagonal wabbler bolt in flower shape in addition.But the head of hexagon socket head cap screw is interior hexagonal groove, and the height of its wedge angle is less, easily weares and teares, and cause the phenomenon of skidding, working life is shorter; It is fillet that wabbler bolt changes wedge angle, but its fillet height does not significantly improve, and still there is the phenomenon of skidding, its intensity and the life-span shorter.
Model utility content
First object of the present utility model is to provide a kind of Triangle ID bolt, its head is provided with triangular groove, and the sideline, cross section of triangular groove is arc section, surface of contact is made to be arch, better stressed, add the surface of contact with spanner simultaneously, avoid skidding, improve intensity and the working life of product.
Second object of the present utility model is to provide a kind of mold and punching head processing Triangle ID bolt, and its cross section is identical with the cross section of triangular groove, can process triangular groove, surface of contact is made to be arch, better stressed, add the surface of contact of Triangle ID bolt and spanner simultaneously, avoid skidding.
For reaching first object, the utility model by the following technical solutions:
A kind of Triangle ID bolt, comprise head, head is provided with triangular groove, the sideline, cross section of triangular groove comprises: equally distributed three outwardly the first arc sections of the circumference along head, be provided with between two adjacent the first arc sections to projecting inward transition circle segmental arc, three the first arc sections and three transition circle segmental arcs together constitute the sideline, cross section of triangular groove.
Wherein, be provided with auxiliary common tangent between two adjacent the first arc sections, the inscribe diameter of a circle of three auxiliary common tangents is set to A, and the span of A is 0.1 ~ 10mm.
Wherein, the inscribe diameter of a circle of three transition circle segmental arcs is set to B, B=0.9 × A.
Wherein, the circumscribed diameter of three the first arc sections is set to C, C=1.5 × A.
Wherein, the radius of the first arc section is set to E, E=0.25 × A.
Wherein, the radius of transition circle segmental arc is set to F, F=1.9 × A.
Wherein, when the value of A is more than or equal to 2.5mm, the middle part of triangular groove is provided with for antitheft newel.
Wherein, newel is cylindrical body, and the diameter of newel is set to D, D=0.4 × A.
For reaching second object, the utility model by the following technical solutions:
Process a mold and punching head for Triangle ID bolt, the cross section of mold and punching head is identical with the cross section of triangular groove.
Wherein, the height of mold and punching head is set to Q, and the span of Q is 0.01 ~ 100mm.
The beneficial effects of the utility model: a kind of Triangle ID bolt, comprise head, head is provided with triangular groove, the sideline, cross section of triangular groove comprises: equally distributed three outwardly the first arc sections of the circumference along head, be provided with between two adjacent the first arc sections to projecting inward transition circle segmental arc, three the first arc sections and three transition circle segmental arcs together constitute the sideline, cross section of triangular groove; The sideline, cross section of triangular groove is arc section, makes surface of contact be arch, better stressed, adds the surface of contact with spanner simultaneously, avoids skidding, improve intensity and the working life of product.
Process a mold and punching head for Triangle ID bolt, the cross section of mold and punching head is identical with the cross section of triangular groove, can process triangular groove, makes surface of contact be arch, better stressed, adds the surface of contact of Triangle ID bolt and spanner simultaneously, avoids skidding.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the hex slot of the hexagon socket head cap screw of prior art.
Fig. 2 is the schematic cross-section of the triangular groove of Triangle ID bolt of the present utility model.
Fig. 3 is the sectional dimension mark schematic diagram of the triangular groove of Triangle ID bolt of the present utility model.
Fig. 4 is the plan view of mold and punching head of the present utility model.
Fig. 5 is the plan view of mold and punching head of the present utility model.
Reference character is as follows:
1-first arc section; 2-transition circle segmental arc; 3-newel; 10-assists common tangent; 20-assists the incircle of common tangent; The incircle of 30-transition circle segmental arc; The circumcircle of 40-first arc section
Embodiment
The technical solution of the utility model is further illustrated by specific embodiment below in conjunction with Fig. 1 to Fig. 5.
A kind of Triangle ID bolt, comprise head, head is provided with triangular groove, the sideline, cross section of triangular groove comprises: equally distributed three outwardly the first arc sections 1 of the circumference along head, the sideline, cross section together constituting triangular groove to projecting inward transition circle segmental arc 2, three the first arc sections 1 and three transition circle segmental arcs 2 is provided with between two adjacent the first arc sections 1.The sideline, cross section of triangular groove is arc section, makes surface of contact be arch, better stressed, adds the surface of contact with spanner simultaneously, avoids skidding, improve intensity and the working life of product.
As shown in Figures 2 and 3, the diameter being provided with the incircle 20 of auxiliary common tangent 10, three auxiliary common tangents 10 between two adjacent the first arc sections 1 is set to A;
The diameter of the incircle 30 of three transition circle segmental arcs 2 is set to B, B=0.9 × A;
The diameter of the circumcircle 40 of three the first arc sections 1 is set to C, C=1.5 × A;
The radius of the first arc section 1 is set to E, E=0.25 × A;
The radius of transition circle segmental arc 2 is set to F, F=1.9 × A.
In the utility model, the span of the diameter A of the incircle 20 of three auxiliary common tangents 10 is 0.1 ~ 10mm, and the value of such as A can be 0.1mm, 1.0mm, 2.0mm, 5.0mm, 10mm etc.Triangle ID bolt of the present utility model also can be arranged as required for antitheft newel 3; Preferably, when the value of A is more than or equal to 2.5mm, the middle part of triangular groove is provided with for antitheft newel 3; Further preferably, newel 3 is cylindrical body, and the diameter of newel 3 is set to D, D=0.4 × A.
Embodiment 1
A＝0.1mm；B＝0.09mm；C＝0.15mm；D＝0mm；E＝0.025mm；F＝0.19mm
Embodiment 2
A＝1.0mm；B＝0.9mm；C＝1.5mm；D＝0mm；E＝0.25mm；F＝1.9mm
Embodiment 3
A＝1.5mm；B＝1.35mm；C＝2.25mm；D＝0mm；E＝0.375mm；F＝2.85mm
Embodiment 4
A＝2.0mm；B＝1.8mm；C＝3.0mm；D＝0mm；E＝0.5mm；F＝3.8mm
Embodiment 5
A＝5.0mm；B＝4.5mm；C＝7.5mm；D＝2.0mm；E＝1.25mm；F＝9.5mm
Embodiment 6
A＝10mm；B＝9mm；C＝15mm；D＝4.0mm；E＝2.5mm；F＝19mm
For the bolt of 1.5mm, the contrast hexagon socket head cap screw of prior art and the height of projection of Triangle ID bolt of the present utility model.
As shown in Figure 1, the head of the hexagon socket head cap screw of prior art is provided with orthohexagonal groove, orthohexagonal external diameter of a circle is 1.5mm, orthohexagonal inscribe diameter of a circle is 1.3mm, its semidiameter is 0.1mm, and the height of protruding wedge angle is less, easily weares and teares, cause the phenomenon of skidding, working life is shorter.
As shown in Figure 2, the head of Triangle ID bolt of the present utility model is provided with triangular groove, and the sideline, cross section of triangular groove is made up of to projecting inward transition circle segmental arc 2 three outwardly the first arc sections 1 and three, is arch with the surface of contact of spanner, better stressed; From embodiment 2, the diameter C=1.5mm of the circumcircle 40 of three the first arc sections 1, the diameter B=0.9mm of the incircle 30 of three transition circle segmental arcs 2, its semidiameter is 0.3mm, the height of protruding circular arc is comparatively large, effectively can avoid wearing and tearing, improve working life.
It can thus be appreciated that the bolt of same size, adopts Triangle ID bolt of the present utility model effectively can improve the height of protruding surface of contact, to avoid wearing and tearing, improves working life.
Process a mold and punching head for Triangle ID bolt of the present utility model, the cross section of mold and punching head is identical with the cross section of triangular groove, as shown in Figure 5.The height of mold and punching head is set to Q, as shown in Figure 4.The span of Q is 0.01 ~ 100mm; Preferably, Q=(0.1 ~ 10) × A, such as Q=0.1 × A, Q=1 × A, Q=2 × A, Q=5 × A, Q=10 × A etc., in other embodiments, according to concrete product, can arrange the height of mold and punching head.
Triangle ID bolt of the present utility model have employed triangular groove, structural stability, and surface of contact is comparatively large, better stressed, decreases wearing and tearing, improves intensity and the working life of product, be particularly useful for the electronic product that diameter is less than 2mm.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a Triangle ID bolt, comprise head, it is characterized in that, described head is provided with triangular groove, the sideline, cross section of described triangular groove comprises: equally distributed three outwardly the first arc sections (1) of the circumference along described head, be provided with between adjacent two described first arc sections (1) to projecting inward transition circle segmental arc (2), three described first arc sections (1) and three described transition circle segmental arcs (2) together constitute the sideline, cross section of described triangular groove.
2. Triangle ID bolt according to claim 1, it is characterized in that, auxiliary common tangent (10) is provided with between adjacent two described first arc sections (1), the diameter of the incircle (20) of three described auxiliary common tangents (10) is set to A, and the span of A is 0.1 ~ 10mm.
3. Triangle ID bolt according to claim 2, is characterized in that, the diameter of the incircle (30) of three described transition circle segmental arcs (2) is set to B, described B=0.9 × A.
4. Triangle ID bolt according to claim 2, is characterized in that, the diameter of the circumcircle (40) of three described first arc sections (1) is set to C, described C=1.5 × A.
5. Triangle ID bolt according to claim 2, is characterized in that, the radius of described first arc section (1) is set to E, described E=0.25 × A.
6. Triangle ID bolt according to claim 2, is characterized in that, the radius of described transition circle segmental arc (2) is set to F, described F=1.9 × A.
7. Triangle ID bolt according to claim 2, is characterized in that, when the value of described A is more than or equal to 2.5mm, the middle part of described triangular groove is provided with for antitheft newel (3).
8. Triangle ID bolt according to claim 7, is characterized in that, described newel (3) is cylindrical body, and the diameter of described newel (3) is set to D, described D=0.4 × A.
9. a mold and punching head for the Triangle ID bolt of processing as described in any one of claim 1 to 6, it is characterized in that, the cross section of described mold and punching head is identical with the cross section of described triangular groove.
10. mold and punching head according to claim 9, is characterized in that, the height of described mold and punching head is set to Q, and the span of Q is 0.01 ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057757.4U CN204419812U (en) | 2015-01-28 | 2015-01-28 | A kind of Triangle ID bolt and mold and punching head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057757.4U CN204419812U (en) | 2015-01-28 | 2015-01-28 | A kind of Triangle ID bolt and mold and punching head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419812U true CN204419812U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520057757.4U Expired - Fee Related CN204419812U (en) | 2015-01-28 | 2015-01-28 | A kind of Triangle ID bolt and mold and punching head thereof |
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|---|---|
| CN (1) | CN204419812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632844A (en) * | 2015-01-28 | 2015-05-20 | 昆山精冲五金制品有限公司 | Inner triangular bolt and die punch thereof |
-
2015
- 2015-01-28 CN CN201520057757.4U patent/CN204419812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632844A (en) * | 2015-01-28 | 2015-05-20 | 昆山精冲五金制品有限公司 | Inner triangular bolt and die punch thereof |
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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: 20150624 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |