CN112032167A - High-strength wear-resistant hexagonal head bolt - Google Patents

High-strength wear-resistant hexagonal head bolt Download PDF

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Publication number
CN112032167A
CN112032167A CN202010338416.XA CN202010338416A CN112032167A CN 112032167 A CN112032167 A CN 112032167A CN 202010338416 A CN202010338416 A CN 202010338416A CN 112032167 A CN112032167 A CN 112032167A
Authority
CN
China
Prior art keywords
bolt
bolt head
head
strength wear
groove
Prior art date
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.)
Pending
Application number
CN202010338416.XA
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Chinese (zh)
Inventor
吴朗勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Huaqiang Stainless Steel Co ltd
Original Assignee
Yangzhou Huaqiang Stainless Steel Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Huaqiang Stainless Steel Co ltd filed Critical Yangzhou Huaqiang Stainless Steel Co ltd
Priority to CN202010338416.XA priority Critical patent/CN112032167A/en
Publication of CN112032167A publication Critical patent/CN112032167A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0038—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/004—Sealing; Insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/008—Corrosion preventing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The invention discloses a high-strength wear-resistant hexagonal head bolt in the technical field of fasteners, which comprises a bolt head, wherein a screw is arranged at the bottom of the bolt head, threads are arranged at the bottom of the outer surface of the screw, a clamping piece is arranged at the bottom of the screw, a step surface is arranged between the bolt head and the screw, a hexagonal groove matched with the bolt head is formed in the upper surface of the bolt head, a cross groove is formed in the middle of the inner cavity of the hexagonal groove, a protection sheet covers the outer surface of the bolt head, the top of the protection sheet covers the upper surfaces of the hexagonal groove and the cross groove, the wear resistance of the bolt head can be greatly improved by arranging the protection sheet on the bolt head, and the bolt head is protected from being rusted due.

Description

High-strength wear-resistant hexagonal head bolt
Technical Field
The invention relates to the technical field of fasteners, in particular to a high-strength wear-resistant hexagonal head bolt.
Background
The hexagon bolt is a common connecting fastener and is indispensable in industrial production and assembly production. However, the hexagonal bolt in the prior art can often be unscrewed due to rusting and corrosion caused by serious abrasion or external environment and the like, and can only be tightened and loosened by using a wrench, so that the use tool is single.
Disclosure of Invention
The invention aims to provide a high-strength wear-resistant hexagon head bolt, which aims to solve the problems that the hexagon bolt in the prior art cannot be unscrewed due to rusting and corrosion caused by serious abrasion or external environment and the like, can be tightened and loosened only by a wrench and has a single tool.
Preferably, to achieve the above object, the present invention provides the following technical solutions: the utility model provides a wear-resisting type hexagon head bolt of high strength, includes the bolt head, bolt head bottom is provided with the screw rod, screw rod surface bottom is provided with the screw thread, the screw rod bottom is provided with joint spare, be provided with the step face between bolt head and the screw rod, the hexagon recess with bolt head assorted is seted up to the bolt head upper surface, hexagon recess inner chamber middle part is provided with the cross recess, the bolt head surface covers has the screening glass, the screening glass top covers the upper surface at hexagon recess and cross recess.
Preferably, an annular groove is formed in the bottom of the inner wall of the hexagonal groove, and the middle section of the protection sheet is partially filled in the annular groove.
Preferably, the top of the cross groove is provided with a positioning step.
Preferably, the outer wall of the bolt head is provided with an arc-shaped surface.
Preferably, the protective sheet is a flexible aluminum sheet.
Preferably, the bottom of the protective sheet covers the lower surface of the step surface.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the bolt head is provided with the protection sheet, so that the wear resistance of the bolt head can be greatly improved, and the bolt head is protected from being oxidized, corroded and rusted and cannot be unscrewed;
according to the invention, the hexagonal groove and the cross groove are formed in the top of the bolt head, so that the bolt can be unscrewed when the bolt head is seriously worn;
the protective sheet is clamped between the connected body and the bolt head when the connecting device is connected, so that the protective sheet is prevented from falling off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention.
In the figure: 1. a bolt head; 2. a screw; 3. a thread; 4. a clamping piece; 5. a step surface; 6. an arc surface 7 and a hexagonal groove; 8. a cross groove; 9. positioning a step; 10. an annular groove; 11. and (4) protecting the sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-strength wear-resistant hexagonal head bolt comprises a bolt head 1, wherein a screw rod 2 is arranged at the bottom of the bolt head 1, threads 3 are arranged at the bottom of the outer surface of the screw rod 2, a clamping piece 4 is arranged at the bottom of the screw rod 2, a step surface 5 is arranged between the bolt head 1 and the screw rod 2, a hexagonal groove 7 matched with the bolt head 1 is formed in the upper surface of the bolt head 1, when the bolt head 1 is seriously worn, the high-strength wear-resistant hexagonal head bolt can be unscrewed from the top of the bolt head 1 through the hexagonal groove 7, a cross groove 8 is arranged in the middle of the inner cavity of the hexagonal groove 7, when no proper hexagonal tool or the inner hexagonal groove 7 is also seriously worn, the high-strength wear-resistant hexagonal head bolt can be unscrewed through a cross screwdriver, a protection sheet 11 is covered on the outer surface of the bolt head 1, the bolt head 1 can, the hexagonal groove 7 and the cross groove 8 can be effectively protected from being oxidized and corroded.
Referring to fig. 3, an annular groove 10 is formed at the bottom of the inner wall of the hexagonal groove 7, the middle section of the protection sheet 11 is partially filled in the annular groove 10, the top of the protection sheet 11 is clamped, the protection sheet 11 is prevented from falling off, and is attached to the bottom of the inner cavity of the hexagonal groove 7, so that the protection sheet 11 is prevented from being punctured by external factors due to an overlarge gap between the protection sheet 11 and the hexagonal groove 7 and losing protection capability, a cross mark (not shown) matched with the cross groove 8 can be carved on the part of the protection sheet 11 on the upper surface of the cross groove 8, and a worker can conveniently find the position of the cross groove 8 quickly, so that the protection sheet 11 can be clamped by the annular groove 10 and cannot fall off even if the protection sheet 11 is worn and worn;
referring to fig. 1-2, the top of the cross-shaped groove 8 is provided with a positioning step 9, which is convenient for a worker to quickly find the position of the cross-shaped groove 8 under the condition that the worker cannot see clearly;
referring to fig. 1, the outer wall of the bolt head 1 is provided with an arc-shaped surface 6, so that the edge angle of the bolt head 1 is increased, and the bolt head is prevented from being worn by the outside and being circular and cannot be unscrewed;
referring to fig. 3, the protection sheet 11 is a flexible aluminum sheet, has high wear resistance and low hardness, and can be punctured by a worker with the aid of a tool;
referring to fig. 3, the bottom of the protection sheet 11 covers the lower surface of the step surface 5, and when the connector is connected, the protection sheet 11 is clamped between the connected body and the bolt head 1, so as to prevent the protection sheet 11 from falling off.
The working principle is as follows: when the bolt head is used, the middle of the protection sheet 11 needs to be clamped in the annular groove 10, the periphery of the protection sheet 11 is wrapped on the whole bolt head 1, the bottom of the protection sheet 11 is bent on the lower surface of the step surface 5, when the connected body is fastened, the protection sheet 11 can be clamped by the bolt head 1 and the connected body, the wear resistance of the bolt head 1 is improved, when the bolt head 1 is seriously worn, a worker can unscrew the bolt head through the hexagonal groove 7, and if no proper auxiliary tool is arranged at the body of the worker or the hexagonal groove 7 is also seriously worn, the bolt head can be unscrewed by aligning the cross screwdriver to the cross groove 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wear-resisting type hexagon head bolt of high strength, includes bolt head (1), its characterized in that: the bolt head (1) bottom is provided with screw rod (2), screw rod (2) surface bottom is provided with screw thread (3), screw rod (2) bottom is provided with joint spare (4), be provided with step face (5) between bolt head (1) and screw rod (2), bolt head (1) upper surface seted up with bolt head (1) assorted hexagonal recess (7), hexagonal recess (7) inner chamber middle part is provided with cross slot (8), bolt head (1) surface covers has screening glass (11), screening glass (11) top covers the upper surface at hexagonal recess (7) and cross slot (8).
2. A high strength wear resistant hex head bolt as claimed in claim 1 wherein: annular groove (10) have been seted up to hexagonal recess (7) inner wall bottom, screening glass (11) middle section part is filled in annular groove (10).
3. A high strength wear resistant hex head bolt as claimed in claim 1 wherein: and a positioning step (9) is arranged at the top of the cross groove (8).
4. A high strength wear resistant hex head bolt as claimed in claim 1 wherein: the outer wall of the bolt head (1) is provided with an arc-shaped surface (6).
5. A high strength wear resistant hex head bolt as claimed in claim 1 wherein: the protective sheet (11) is a flexible aluminum sheet.
6. A high strength wear resistant hex head bolt as claimed in claim 1 wherein: the bottom of the protective sheet (11) covers the lower surface of the step surface (5).
CN202010338416.XA 2020-04-26 2020-04-26 High-strength wear-resistant hexagonal head bolt Pending CN112032167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010338416.XA CN112032167A (en) 2020-04-26 2020-04-26 High-strength wear-resistant hexagonal head bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010338416.XA CN112032167A (en) 2020-04-26 2020-04-26 High-strength wear-resistant hexagonal head bolt

Publications (1)

Publication Number Publication Date
CN112032167A true CN112032167A (en) 2020-12-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010338416.XA Pending CN112032167A (en) 2020-04-26 2020-04-26 High-strength wear-resistant hexagonal head bolt

Country Status (1)

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CN (1) CN112032167A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727887A (en) * 2020-12-29 2021-04-30 刘涛 Fastening bolt

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE708876A (en) * 1966-10-31 1968-05-16
CN1250849A (en) * 1998-10-08 2000-04-19 郭晓峰 Anti-unlocking screw and its dedicated spanner
CN2463594Y (en) * 2001-01-18 2001-12-05 鋐昇实业有限公司 Thread-cutting screw
CN203051390U (en) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 Sealing and anticorrosion bolt
CN204344616U (en) * 2014-12-08 2015-05-20 温州市鑫泰紧固件有限公司 A kind of Novel hexagonal head nut
CN105952754A (en) * 2016-06-23 2016-09-21 海盐瑞利紧固件有限公司 Lock bolt convenient to disassemble
CN205715184U (en) * 2016-04-06 2016-11-23 四川丹甫环境科技有限公司 A kind of compressor round end plate-like bolt
CN207975105U (en) * 2018-01-31 2018-10-16 浙江群展精密紧固件股份有限公司 A kind of high abrasion hexagon-headed bolt for automobile
CN208236854U (en) * 2018-04-28 2018-12-14 厦门新沪厦五金工贸有限公司 A kind of packet header screw

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE708876A (en) * 1966-10-31 1968-05-16
GB1183538A (en) * 1966-10-31 1970-03-11 Deutsch Fastener Corp Improvements relating to fasteners
CN1250849A (en) * 1998-10-08 2000-04-19 郭晓峰 Anti-unlocking screw and its dedicated spanner
CN2463594Y (en) * 2001-01-18 2001-12-05 鋐昇实业有限公司 Thread-cutting screw
CN203051390U (en) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 Sealing and anticorrosion bolt
CN204344616U (en) * 2014-12-08 2015-05-20 温州市鑫泰紧固件有限公司 A kind of Novel hexagonal head nut
CN205715184U (en) * 2016-04-06 2016-11-23 四川丹甫环境科技有限公司 A kind of compressor round end plate-like bolt
CN105952754A (en) * 2016-06-23 2016-09-21 海盐瑞利紧固件有限公司 Lock bolt convenient to disassemble
CN207975105U (en) * 2018-01-31 2018-10-16 浙江群展精密紧固件股份有限公司 A kind of high abrasion hexagon-headed bolt for automobile
CN208236854U (en) * 2018-04-28 2018-12-14 厦门新沪厦五金工贸有限公司 A kind of packet header screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727887A (en) * 2020-12-29 2021-04-30 刘涛 Fastening bolt

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PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201204

RJ01 Rejection of invention patent application after publication