CN214367176U - Inner hexagonal flower-shaped cylindrical head screw - Google Patents
Inner hexagonal flower-shaped cylindrical head screw Download PDFInfo
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- CN214367176U CN214367176U CN202120577706.XU CN202120577706U CN214367176U CN 214367176 U CN214367176 U CN 214367176U CN 202120577706 U CN202120577706 U CN 202120577706U CN 214367176 U CN214367176 U CN 214367176U
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Abstract
The utility model belongs to the technical field of mechanical adapting unit, especially, hexagon socket head cap screw, including the screw body, the screw body includes nut, double-screw bolt and pointed end, and the fixed surface of nut has anti-skidding groove, and the hexagon socket head cap flower shape groove has been seted up to one side that the double-screw bolt was kept away from to the nut, and the inner wall in interior hexagon flower shape groove is the arc, and the cushion has been placed to the medial surface in interior hexagon flower shape groove. The utility model discloses a set up anti-skidding groove, can increase the friction between nut outward appearance and the operator finger, make things convenient for the operator to twist the screw hole on the work piece fast with the screw body, save time, through setting up the cushion, prevent the dust in the air, during hexagonal flower groove in impurity entering, avoid interior hexagonal flower groove to be blockked up and send when the screw body is pulled down to needs, the spanner can not stretch into in hexagonal flower groove completely, the problem that the operator continues to twist and moves and can make interior hexagonal flower groove smooth silk has been solved, avoid the screw body to damage and can't take off with the spanner.
Description
Technical Field
The utility model relates to a mechanical connecting part technical field specifically is hexagon socket head cap screw.
Background
The screw is a tool for fastening the parts of an object step by utilizing the physical and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The socket head cap screw is commonly used on machinery and mainly has the advantages of convenience in fastening and dismounting, difficulty in sliding angles and the like. The inner hexagonal wrench is generally turned by 90 degrees, one end of the turn is long and the other end is short, when a screw is screwed by the short side, the long side can be held by a hand, so that much labor is saved, and the screw can be fastened better. The long one end has branch button head (hexagonal cylinder is similar to spheroid) and crew cut, and very convenient dismantlement in the screw hole is inserted that the button head can be very convenient, and outer hexagonal manufacturing cost will be more than interior hexagonal lower, and its advantage still has the screw head to be thinner than interior hexagonal, and some places are not that interior hexagonal can replace. In addition, the inner hexagonal screw adopted by the machine with low cost, low power strength and low precision requirement is much less than the outer hexagonal screw. One of the concerns with socket head cap screws is that they do not slip as much as possible during use, which would otherwise make it difficult to remove the screw later.
There are the following problems:
1. when the screw is loosened or tightened, an operator often uses hands to quickly screw the screw into or out of the threaded hole to save time, and the surface of the nut of the current socket head cap screw is smooth, so that the operator can easily slide the hands, and the operator can spend more time when continuously screwing the screw by using a wrench.
2. Dust, impurity in the air get into in the hexagonal flower groove back, can block up hexagonal flower shape groove in, lead to when needs pull down the screw, the spanner can not get into hexagonal flower shape groove in completely, if the operator continues to twist and move then can make hexagonal flower shape groove smooth silk in for the screw body is difficult to reuse the spanner and takes off.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an interior hexagonal flower shape cylindric head screw has solved the relatively smooth problem that makes dust, the easy internal blockage hexagonal flower groove of impurity in operator's the easy hand slip and the air in the surface of nut.
In order to achieve the above object, the utility model provides a following technical scheme: hexagonal socket head cap screw in, including the screw body, the screw body includes nut, double-screw bolt and pointed end, the external fixation of nut has the anti-skidding groove, hexagonal flower groove in the nut was seted up to one side that the double-screw bolt was kept away from to the nut, the inner wall in hexagonal flower groove is the arc, the cushion has been placed to the medial surface in hexagonal flower groove, there is sunken downwards along the axis of screw body in the bottom in hexagonal flower groove, the external fixation of double-screw bolt has the external screw thread, the pointed end is cylindricly, the circular slot has been seted up to the junction of double-screw bolt and nut, and the plain washer has been placed to the surface in circular slot.
As an optimal technical scheme of the utility model, the surface of screw body is done the zinc-plating and is handled, the material of screw body is 35CrMo alloy quenched and tempered steel.
As the utility model discloses a preferred technical scheme, one side that the nut was kept away from to the cushion is fixed with the cover plate, the through-hole has been seted up to the medial surface of cover plate.
As an optimized technical scheme of the utility model, the material of flat gasket is 304 stainless steel, flat gasket is the slice.
As an optimal technical scheme of the utility model, the cushion is fluororubber with the material of cover plate, the chamfer processing is all done with the double-screw bolt to the nut.
Compared with the prior art, the utility model provides an interior hexagonal flower shape cylindric head screw possesses following beneficial effect:
1. this hexagonal socket head cap screw in, through setting up anti-skidding groove, can increase the friction between nut outward appearance and the operator finger, make things convenient for the operator to twist the screw hole on the work piece with the screw body fast, save time.
2. This hexagonal socket head cap screw in, through setting up the cushion, prevent that dust, impurity in the air from getting into hexagonal flower shape groove in, avoid hexagonal flower shape groove in blockking up and send when the screw body is pulled down to needs, the spanner can not stretch into hexagonal flower shape groove in completely, has solved the operator and has continued to twist and move the problem that can make hexagonal flower shape groove smooth silk, avoids the screw body to damage and can't take off with the spanner.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of the cover plate of the present invention;
fig. 4 is a top view of the present invention.
In the figure: 1. a screw body; 2. a nut; 3. a stud; 4. a tip; 5. an inner hexagonal flower-shaped groove; 6. cushion blocks; 7. recessing; 8. an external thread; 9. a circular groove; 10. a flat gasket; 11. a cover sheet; 12. a through hole; 13. and 4, antiskid scribing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: interior hexagonal flower shape cap screw, including screw body 1, screw body 1 includes nut 2, double-screw bolt 3 and most advanced 4, the external fixed surface of nut 2 has anti-skidding groove 13, hexagonal flower groove 5 in having seted up in one side that double-screw bolt 3 was kept away from to nut 2, the inner wall of interior hexagonal flower groove 5 is the arc, cushion 6 has been placed to the medial surface of interior hexagonal flower groove 5, there is sunken 7 bottom along screw body 1's axis downwards in interior hexagonal flower groove 5, the external fixed surface of double-screw bolt 3 has external screw thread 8, most advanced 4 is cylindricly, circular slot 9 has been seted up with the junction of nut 2 to double-screw bolt 3, plain washer 10 has been placed to the surface of circular slot 9.
In the embodiment, the anti-skid scribed line 13 increases the friction between the outer surface of the nut 2 and the fingers of an operator, so that the operator can conveniently and quickly screw the screw body 1 into the threaded hole on the workpiece, the time can be saved, when the screw body 1 is tightened or loosened, the inner hexagonal flower-shaped groove 5 enables the screw body 1 to be stressed more greatly, and simultaneously, a wrench is not easy to slip out when loosened, so that the screw body 1 is convenient to be screwed, and the inner wall is the arc-shaped inner hexagonal flower-shaped groove 5, so that the screw body 1 is not easy to be damaged by sliding threads when being screwed by a wrench, the shape of the cushion block 6 is matched with the inner wall of the inner hexagonal flower-shaped groove 5, so that the cover plate 11 and the cushion block 6 are not easy to naturally fall off when being installed in the inner hexagonal flower-shaped groove 5, dust and impurities in the air can be prevented from entering the inner hexagonal flower-shaped groove 5, and the wrench cannot completely extend into the inner hexagonal flower-shaped groove 5 when the screw body 1 needs to be dismounted, if the operator continues to twist and then leads to the smooth silk of hexagon socket head flower shape groove 5 easily, leads to screw body 1 to damage and can't take off with the spanner, and circle groove 9 is used for blocking flat gasket 10, and flat gasket 10 accessible external screw thread 8 is twisted to circle groove 9 department, and when carrying out fastening part with screw body 1, flat gasket 10 and part surface contact, the pressure of dispersion nut 2 bottom surface to the part surface prevents that screw body 1 from scotching the part surface.
Specifically, the outer surface of the screw body 1 is galvanized, and the screw body 1 is made of 35CrMo alloy quenched and tempered steel.
In the embodiment, the galvanization prevents the screw body 1 from being corroded, and the screw body 1 made of the 35CrMo alloy quenched and tempered steel can bear higher impact and bending torsion, so that the screw body 1 can be used for important structural members working under high load.
Specifically, a cover plate 11 is fixed on one side of the cushion block 6 away from the screw cap 2, and a through hole 12 is formed in the inner side surface of the cover plate 11.
In this embodiment, the cover plate 11 covers the top surface of the nut 2 to prevent the surface of the nut 2 from being damaged, and the through hole 12 is convenient for an operator to grasp the cover plate 11 to pull the spacer 6 out of the hexagon socket 5.
Specifically, the material of the flat gasket 10 is 304 stainless steel, and the flat gasket 10 is in a sheet shape.
In this embodiment, 304 stainless steel can be high temperature resistant, has that the processability is good, and toughness is high, characteristics that corrosion resistance is good, and the flat gasket 10 who is made by 304 stainless steel's life is longer, and the flat gasket 10 that is the slice can be twisted into external screw thread 8 and reach circular slot 9 department.
Specifically, the cushion block 6 and the cover plate 11 are made of fluororubber, and the screw cap 2 and the stud 3 are chamfered.
In this embodiment, the fluororubber has high chemical stability, is not easily corroded, and the cushion block 6 and the cover plate 11 made of the fluororubber have long service lives.
The utility model discloses a theory of operation and use flow: during the use, twist flat gasket 10 in circular slot 9 department through external screw thread 8, with the screw hole on the work piece of most advanced 4 alignment, then hold anti-skidding groove 13 on the nut 2, anti-skidding groove 13 can increase the friction between nut 2 outward appearance and the operator's finger, make things convenient for the operator to twist screw body 1 in the screw hole on the work piece fast, save time, then screw body 1 with the spanner that corresponds with interior hexagonal flower shape groove 5 appearance, then put cushion 6 in interior hexagonal flower shape groove 5, prevent that dust in the air, impurity from getting into interior hexagonal flower shape groove 5, when avoiding interior hexagonal flower shape groove 5 to be blockked up and leading to dismantling screw body 1, the spanner can not stretch into interior hexagonal flower shape groove 5 completely, in order to avoid the operator to continue to twist and make interior hexagonal flower shape groove 5 smooth silk, make screw body 1 damage and can's take off with the spanner.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Hexagonal socket flower cylindric head screw includes screw body (1), its characterized in that: screw body (1) includes nut (2), double-screw bolt (3) and most advanced (4), the external fixed surface of nut (2) has anti-skidding groove (13), hexagonal flower groove (5) in having seted up in one side that double-screw bolt (3) were kept away from in nut (2), the inner wall of interior hexagonal flower groove (5) is the arc, cushion (6) have been placed to the medial surface of interior hexagonal flower groove (5), the axis of bottom edge screw body (1) of interior hexagonal flower groove (5) has sunken (7) downwards, the external fixed surface of double-screw bolt (3) has external screw thread (8), most advanced (4) are cylindricly, circular slot (9) have been seted up with the junction of nut (2) to double-screw bolt (3), and flat gasket (10) have been placed to the surface of circular slot (9).
2. The socket head cap screw according to claim 1, wherein: the outer surface of the screw body (1) is galvanized, and the screw body (1) is made of 35CrMo alloy quenched and tempered steel.
3. The socket head cap screw according to claim 1, wherein: one side of the cushion block (6) far away from the screw cap (2) is fixed with a cover plate (11), and the inner side surface of the cover plate (11) is provided with a through hole (12).
4. The socket head cap screw according to claim 1, wherein: the flat gasket (10) is made of 304 stainless steel, and the flat gasket (10) is in a sheet shape.
5. The socket head cap screw according to claim 1, wherein: the cushion block (6) and the cover plate (11) are made of fluororubber, and the screw cap (2) and the stud (3) are subjected to chamfering treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577706.XU CN214367176U (en) | 2021-03-22 | 2021-03-22 | Inner hexagonal flower-shaped cylindrical head screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577706.XU CN214367176U (en) | 2021-03-22 | 2021-03-22 | Inner hexagonal flower-shaped cylindrical head screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367176U true CN214367176U (en) | 2021-10-08 |
Family
ID=77973329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120577706.XU Active CN214367176U (en) | 2021-03-22 | 2021-03-22 | Inner hexagonal flower-shaped cylindrical head screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214367176U (en) |
-
2021
- 2021-03-22 CN CN202120577706.XU patent/CN214367176U/en active Active
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