CN212003889U - Inner hexagonal and outer hexagonal screw - Google Patents
Inner hexagonal and outer hexagonal screw Download PDFInfo
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- CN212003889U CN212003889U CN201921642797.XU CN201921642797U CN212003889U CN 212003889 U CN212003889 U CN 212003889U CN 201921642797 U CN201921642797 U CN 201921642797U CN 212003889 U CN212003889 U CN 212003889U
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- hexagon
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Abstract
The utility model discloses an outer hexagonal screw of hexagon socket, including screw rod and nut two parts. The method is characterized in that: the screw and the nut are connected into a whole, and the axes of the screw and the nut are superposed; the screw is a cylinder, and a section of thread is arranged on the screw along the outer surface of the cylinder from the end far away from the nut, or the thread is arranged along the whole length of the cylinder of the screw; the shape of the nut body is a regular hexagon which is the outer hexagonal part of the nut; the plane of the end of the screw cap, which is far away from the screw rod, is provided with an inner hexagonal pit; six surfaces of an inner hexagonal pit of a nut of the inner hexagonal outer hexagonal screw are respectively parallel to six surfaces of an outer hexagonal of the nut, and the center of the inner hexagonal pit is coincident with the center axis of the screw while the inner hexagonal pit and the outer hexagonal pit are concentric. The utility model discloses the moment that its allen and outer hexagon obtained when making the screw used is close, has produced the screw inside and outside can use the spanner simultaneously, from this and lead to increaseing moment one time, from this and lead to the wear rate of screw to reduce 50% unexpected effect.
Description
Technical Field
The utility model belongs to the technical field of machine tool, especially, relate to an outer hexagonal screw of hexagon socket head cap.
Background
The socket head cap screw and the hexagon head cap screw are widely applied to the mechanical industry, are used for connecting and fastening mechanical structures, and are screwed or disassembled by a socket head cap wrench or an outer hexagon wrench during use. Socket head cap screw and hexagon head bolt are often dismantling, collide with under the damage, the rust and corrosion circumstances etc. and they are used for spanner complex socket head cap and outer hexagonal edges and corners and surface often damage, cause to twist spanner slippage when revolving to make screw/bolt difficult to twist off, damage equipment for taking off screw/bolt even, cause great influence to equipment use and maintenance and normal production, need increase the reliability of screw/bolt this moment. When the personnel are installed and dismantled the equipment, the instrument of hand-carrying (including pneumatic or electric tool) often is not applicable to some kind of screw and bolt, makes work efficiency reduce, and personnel intensity of labour increases, and the screw/bolt on the equipment should increase the suitability to the instrument as far as possible this moment.
Although the design of the screw in the prior art has the records of outer hexagon + inner straight line or outer hexagon + inner cross, the inner wrench and the outer wrench cannot be used simultaneously due to the fact that the difference of the inner torque and the outer torque of the screw is great: specifically, the torque obtained by the six outer hexagonal surfaces of the screw in the prior art is far greater than the torque obtained by the inner straight surface or the inner cross surface of the screw, and when the outer hexagonal surface is worn and cannot be pulled by a wrench, a user can delve if an inner straight tool or an inner cross tool is used for performing remedial pulling. Because the torque of the straight tool or the cross tool is far smaller than that of the outer hexagonal tool. Therefore, the outer hexagon of the screw in the prior art cannot be repaired once the spanner slips due to abrasion.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provide an outer hexagonal screw of hexagon socket, aim at can be applicable to simultaneously hexagon socket wrench and outer hexagonal wrench and corresponding automatic instrument, perhaps can twist the screw down through outer hexagonal wrench when hexagon slippage including, perhaps twist the screw down through hexagon socket wrench when hexagon slippage outside.
The utility model adopts the following technical scheme for solving the technical problem.
A hexagon socket outer hexagon screw is shown in figures 1 and 2 and comprises a screw rod (1) and a screw cap (2). The method is characterized in that: the screw (1) and the screw cap (2) are connected into a whole, and the axes of the screw and the screw cap are superposed; the screw (1) is a cylinder, and a section of thread is arranged on the screw (1) from the end far away from the nut (2) along the outer surface of the cylinder or the thread is arranged along the whole length of the cylinder of the screw (1); the shape of the main body of the nut (2) is a regular hexagon which is the outer hexagon (201) part of the nut (2); an inner hexagonal concave pit (202) is arranged on the plane of the end of the screw cap (2) far away from the screw rod (1); six surfaces of an inner hexagonal pit (202) of a nut (2) of the inner hexagonal outer hexagonal screw are respectively parallel to six surfaces of an outer hexagonal nut (201), and the inner hexagon and the outer hexagon are concentric while the center of the inner hexagon and the outer hexagon coincides with the central axis of the screw.
The outer hexagonal nut (2) of the inner hexagonal bolt is in a regular hexagonal shape, the height k of the regular hexagonal shape is executed according to the inner hexagonal socket head bolt (GB/T70.1) with corresponding specification (same nominal size), and other size structures of the regular hexagonal shape are executed according to the outer hexagonal size structure of the nut of the international hexagonal head bolt with corresponding specification, so that the outer hexagonal nut (2) is suitable for a common outer hexagonal wrench and a corresponding pneumatic or electric tool.
The end plane of the nut (2) far away from the screw (1) is provided with an inner hexagonal pit (202), the structural size of the inner hexagonal pit (202) is the same as that of a national standard inner hexagonal socket head screw with corresponding specification, so that the inner hexagonal pit at the end of the nut (2) is suitable for a common inner hexagonal wrench and a corresponding pneumatic or electric tool.
The nut (2) of the inner hexagonal outer hexagonal screw has an inner hexagonal structure and an outer hexagonal structure simultaneously, is suitable for an inner hexagonal wrench and an outer hexagonal wrench simultaneously, and is also suitable for pneumatic or electric tools of the inner hexagonal structure and the outer hexagonal structure simultaneously.
The structure of the inner hexagonal outer hexagonal screw is similar to the combination of a common inner hexagonal cylindrical head screw (GB/T70.1) and a hexagon head bolt (containing a plurality of international series hexagon head bolts);
preferably, the height of the inner hexagonal outer hexagonal screw cap (2) is the same as that of an inner hexagonal cylindrical head screw (GB/T70.1) with a corresponding specification;
preferably, the material and the heat treatment mode of the hexagon socket head cap outer hexagon screw are executed according to the material and the heat treatment mode of the hexagon socket head cap screw with the corresponding specification;
preferably, the performance grade of the hexagon socket outer hexagon screw is executed according to the performance grade of a hexagon socket cap screw with a corresponding specification;
preferably, the surface treatment requirement of the hexagon socket outer hexagon screw is executed according to the surface treatment requirement of the hexagon socket cylindrical head screw with the corresponding specification.
Preferably, the series of nominal sizes of the hexagon socket head cap screw is selected and executed by referring to the specifications of both the hexagon socket head cap screw (GB/T70.1) and the national standard hexagon head bolt.
The utility model has the advantages of
1. The utility model discloses an outer hexagonal screw of hexagon socket, because inside and outside moment is close can produce following effect: when the surface of a nut inner hexagonal concave pit of the inner hexagonal outer hexagonal screw is damaged to cause the inner hexagonal wrench to slip, the screw can be screwed off by using the outer hexagonal wrench;
when the outer hexagonal corner of the nut of the inner hexagonal outer hexagonal screw is damaged to cause the outer hexagonal wrench to slip off, the screw can be screwed off by using the inner hexagonal wrench handle.
This outer hexagonal screw of hexagon socket can be applicable to hexagon socket spanner and outer hexagonal spanner simultaneously, also is applicable to the pneumatic or electric tool of hexagon socket and outer hexagon simultaneously, and the instrument suitability is strong, and the instrument type of carrying during reducible equipment fixing and maintenance.
The inner hexagon and outer hexagon screw is suitable for the inner hexagon and the outer hexagon wrench and the pneumatic or electric tool thereof, and the screwing fastening torque of the inner hexagon and the outer hexagon wrench or the pneumatic and electric tool thereof is close to that of the inner hexagon and the outer hexagon wrench.
Sometimes, the screw/bolt is difficult to be unscrewed due to corrosion of the thread or impurities in the thread, and if the torque is increased for screwing, the screwing force position of the screw/bolt is easy to slip and damage. In this case, for the hexagon socket head cap outer hexagon screw of this design, because the space that occupies when using with hexagon socket head cap spanner and outer hexagon spanner is not criss-cross, so can use simultaneously with hexagon socket head cap spanner and outer hexagon spanner and increase the moment of screwing and pull down screw/bolt.
2. The utility model discloses a change screw nut's shape and position, specifically for change the in-line of screw terminal surface or cross into hexagon, and make the plane parallel on hexagon socket cap and outer hexagon six edges respectively, and keep coaxial concentric with hexagon socket cap and outer hexagon, make its hexagon socket cap when the screw is used and the moment that outer hexagon obtained close, produced the screw inside and outside can use the spanner simultaneously, from this and lead to increasing moment one time, from this and lead to the wear rate of screw to reduce the unexpected effect of 50%.
Drawings
Fig. 1 is a schematic view of an inner hexagonal and outer hexagonal screw according to the present invention;
fig. 2 is a schematic structural view of an inner hexagonal and outer hexagonal screw of the present invention;
reference numerals: 1. the screw is 2, the nut is 201, the outer hexagon of the nut is 202, and the inner hexagon of the nut is concave;
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments.
The design principle of the utility model
1. Design principle that moment is similar: because the inner hexagon and the outer hexagon are coaxial and concentric, and the planes corresponding to the six edges of the inner hexagon and the outer hexagon are parallel to each other, when the screw is used, the torque received by the inner hexagon and the outer hexagon is similar, and the inner hexagon and the outer hexagon occupy different spaces and do not cross, so that the inner hexagon wrench and the outer hexagon wrench can be used simultaneously to increase the screwing torque to disassemble the screw/bolt.
2. Compared with the prior art, the method has prominent substantive characteristics. The outer hexagon of the prior art screw cannot be repaired once the wrench slips due to abrasion. And the utility model discloses the inside and outside moment of screw is close, and when outer hexagonal was worn and torn the slippage, interior hexagonal still can use the spanner to produce similar effect. And because the moments of the inner hexagon and the outer hexagon are close, the inner wrench and the outer wrench can be used simultaneously, so that the wear rate of the screw is reduced by 50%.
Based on the above principle, the utility model designs an outer hexagonal screw of hexagon socket.
A hexagon socket outer hexagon screw is shown in figures 1 and 2 and comprises a screw rod (1) and a screw cap (2). The method is characterized in that: the screw (1) and the screw cap (2) are connected into a whole, and the axes of the screw and the screw cap are superposed; the screw (1) is a cylinder, and a section of thread is arranged on the screw (1) from the end far away from the nut (2) along the outer surface of the cylinder or the thread is arranged along the whole length of the cylinder of the screw (1); the shape of the main body of the nut (2) is a regular hexagon which is the outer hexagon (201) part of the nut (2); an inner hexagonal concave pit (202) is arranged on the plane of the end of the screw cap (2) far away from the screw rod (1); six surfaces of an inner hexagonal pit (202) of a nut (2) of the inner hexagonal outer hexagonal screw are respectively parallel to six surfaces of an outer hexagonal nut (201), and the inner hexagon and the outer hexagon are concentric while the center of the inner hexagon and the outer hexagon coincides with the central axis of the screw.
The outer hexagonal nut (2) of the inner hexagonal bolt is in a regular hexagonal shape, the height k of the regular hexagonal shape is executed according to the inner hexagonal socket head bolt (GB/T70.1) with corresponding specification (same nominal size), and other size structures of the regular hexagonal shape are executed according to the outer hexagonal size structure of the nut of the international hexagonal head bolt with corresponding specification, so that the outer hexagonal nut (2) is suitable for a common outer hexagonal wrench and a corresponding pneumatic or electric tool.
The end plane of the nut (2) far away from the screw (1) is provided with an inner hexagonal pit (202), the structural size of the inner hexagonal pit (202) is the same as that of a national standard inner hexagonal socket head screw with corresponding specification, so that the inner hexagonal pit at the end of the nut (2) is suitable for a common inner hexagonal wrench and a corresponding pneumatic or electric tool.
The nut (2) of the inner hexagonal outer hexagonal screw has an inner hexagonal structure and an outer hexagonal structure simultaneously, is suitable for an inner hexagonal wrench and an outer hexagonal wrench simultaneously, and is also suitable for pneumatic or electric tools of the inner hexagonal structure and the outer hexagonal structure simultaneously.
The structure of the inner hexagonal outer hexagonal screw is similar to the combination of a common inner hexagonal cylindrical head screw (GB/T70.1) and a hexagon head bolt (containing a plurality of international series hexagon head bolts);
preferably, the height of the inner hexagonal outer hexagonal screw cap (2) is the same as that of an inner hexagonal cylindrical head screw (GB/T70.1) with a corresponding specification;
preferably, the material and the heat treatment mode of the hexagon socket head cap outer hexagon screw are executed according to the material and the heat treatment mode of the hexagon socket head cap screw with the corresponding specification;
preferably, the performance grade of the hexagon socket outer hexagon screw is executed according to the performance grade of a hexagon socket cap screw with a corresponding specification;
preferably, the surface treatment requirement of the hexagon socket outer hexagon screw is executed according to the surface treatment requirement of the hexagon socket cylindrical head screw with the corresponding specification.
Preferably, the series of nominal sizes of the hexagon socket head cap screw is selected and executed by referring to the specifications of both the hexagon socket head cap screw (GB/T70.1) and the national standard hexagon head bolt.
Examples
The utility model discloses a hexagonal screw outside hexagon socket can be used for the connection between the mechanical structure, is applicable to hexagon socket spanner and outer hexagonal spanner simultaneously, also is applicable to the pneumatic or electric tool of hexagon socket and outer hexagon simultaneously. The main process for realizing the functions is as follows:
referring to fig. 1 and 2, the structure of the hexagon socket head outer hexagon screw is similar to the combination of a common hexagon socket head cap screw (GB/T70.1) and a hexagon head bolt (including a plurality of international series of hexagon head bolts), and the hexagon socket head outer hexagon screw mainly comprises a nut and a screw which are connected into a whole.
The screw part of the hexagon socket outer hexagon screw is provided with threads (nominal diameter d), and the structure, the size and the like of the screw part are required to be executed according to the relevant standards of a hexagon head screw in the national standard. Because the related national standards of the hexagon head bolt are more in types, the corresponding screw rod part of the hexagon socket outer hexagon screw is more in structural types.
The main body of the nut part of the inner hexagonal outer hexagonal screw is in a regular hexagon shape, the height k of the regular hexagon is executed according to the inner hexagonal socket head screw (GB/T70.1) with corresponding specification (same nominal size), and other structures of the regular hexagon (such as s1 and e1) are executed according to the international hexagon head screw; the end of the nut part is provided with an inner hexagonal concave pit, and the structural size (such as s2, e2 and t) of the inner hexagonal concave pit is the same as that of a national standard inner hexagonal socket head screw with a corresponding specification.
The main body of the inner hexagonal outer hexagonal screw nut part is in a regular hexagon shape, and the regular hexagon is suitable for an outer hexagonal wrench and an outer hexagonal pneumatic or electric tool.
The end of the nut part of the inner hexagonal outer hexagonal screw is provided with an inner hexagonal concave pit which is suitable for an inner hexagonal wrench and an inner hexagonal pneumatic or electric tool.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered in the protection scope of the present invention.
Claims (2)
1. The utility model provides an outer hexagonal screw of hexagon socket, includes screw rod (1) and nut (2) two parts, its characterized in that: the screw (1) and the screw cap (2) are connected into a whole, and the axes of the screw and the screw cap are superposed; the screw (1) is a cylinder, and a section of thread is arranged on the screw (1) from the end far away from the nut (2) along the outer surface of the cylinder or the thread is arranged along the whole length of the cylinder of the screw (1); the shape of the main body of the nut (2) is a regular hexagon which is the outer hexagon (201) part of the nut (2); an inner hexagonal concave pit (202) is arranged on the plane of the end of the screw cap (2) far away from the screw rod (1); six surfaces of an inner hexagonal pit (202) of a nut (2) of the inner hexagonal outer hexagonal screw are respectively parallel to six surfaces of an outer hexagonal nut (201), and the center of the inner hexagonal pit and the outer hexagonal pit are concentric while the center of the inner hexagonal pit and the outer hexagonal pit coincide with the central axis of the screw;
the nut body of the hexagon socket outer hexagon screw is in a regular hexagon shape, the height k of the regular hexagon is executed according to a hexagon socket head cap screw corresponding to the GB/T70.1 specification, and other dimensional structures of the regular hexagon are executed according to a hexagon outer hexagon dimensional structure of a national standard hexagon head cap screw corresponding to the specification;
the end plane of the nut (2) far away from the screw (1) is provided with an inner hexagonal pit (202), and the structural size of the inner hexagonal pit (202) is the same as that of a national standard inner hexagonal socket head screw with a corresponding specification.
2. The hexagonal socket head screw of claim 1, wherein: the regular hexagon of the main body appearance of the nut (2) is suitable for a common external hexagonal wrench and a corresponding pneumatic or electric tool; the hexagonal concave pit in the end of the nut (2) is suitable for a common hexagonal socket wrench and a corresponding pneumatic or electric tool; the nut (2) of the inner hexagonal outer hexagonal screw has an inner hexagonal structure and an outer hexagonal structure simultaneously, is suitable for an inner hexagonal wrench and an outer hexagonal wrench simultaneously, and is also suitable for pneumatic or electric tools of the inner hexagonal structure and the outer hexagonal structure simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921642797.XU CN212003889U (en) | 2019-09-29 | 2019-09-29 | Inner hexagonal and outer hexagonal screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921642797.XU CN212003889U (en) | 2019-09-29 | 2019-09-29 | Inner hexagonal and outer hexagonal screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003889U true CN212003889U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921642797.XU Active CN212003889U (en) | 2019-09-29 | 2019-09-29 | Inner hexagonal and outer hexagonal screw |
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| CN (1) | CN212003889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513381A (en) * | 2019-09-29 | 2019-11-29 | 中国原子能科学研究院 | A kind of outer six side's screws of interior hexagonal |
| RU208617U1 (en) * | 2021-05-11 | 2021-12-28 | Публичное акционерное общество «Северсталь» (ПАО «Северсталь») | Rail fastening screw |
-
2019
- 2019-09-29 CN CN201921642797.XU patent/CN212003889U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513381A (en) * | 2019-09-29 | 2019-11-29 | 中国原子能科学研究院 | A kind of outer six side's screws of interior hexagonal |
| RU208617U1 (en) * | 2021-05-11 | 2021-12-28 | Публичное акционерное общество «Северсталь» (ПАО «Северсталь») | Rail fastening screw |
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