CN1699769A - Bolt and method for fastening and loosening the same - Google Patents
Bolt and method for fastening and loosening the same Download PDFInfo
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- CN1699769A CN1699769A CN 200410042542 CN200410042542A CN1699769A CN 1699769 A CN1699769 A CN 1699769A CN 200410042542 CN200410042542 CN 200410042542 CN 200410042542 A CN200410042542 A CN 200410042542A CN 1699769 A CN1699769 A CN 1699769A
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Abstract
The invention provides a fastening and loosening method for preventing releasing the nut and bolt. Below the bolt body that made of pure metal bar formed a screw part; on the top of the bolt installed a half ball by welding, on the top of the half ball provided a polygonal head; on the upper part of the bolt body having a polygonal opening hole; and in the side of the half ball provided a connection hole which has a diameter that larger than the polygonal hole and the connection hole connects with the polygonal hole. Rotating the polygonal head with tools to tightening bolt and the object can be fixed on the structure. After tightening, chopping the half ball along the right upper surface with tools and cutting with tools from the top of the chopping section on the half ball to expose the connection hole and the polygonal holes connected with it; the tools that jog with the polygonal hole can loosening the bolt.
Description
Technical field
The present invention relates to fastened thing can be anchored on the bolt on the structure of building etc. and the locking method and the relaxation method of this bolt, in particular, the present invention relates to prevent that the suspicious people beyond the user from waiting the bolt of the fastening situation of removing fastened thing and the locking method and the relaxation method of this bolt.
Background technique
In the past, be installed on structure at the fastened thing with iron lattice grid window etc., such as the occasion at the window place of building, the general bolts of fastening usefulness that adopt carry out fastening more.With regard to this bolt, described as patent documentation 1, people know following type, take off fastened thing in order to prevent that suspicious people from waiting, by bolt and tightening nut, should fastened thing fastening, in addition, on this tightening nut, locking nut is installed, is provided for making the strick precaution cover of this locking nut idle running.
Patent documentation 1: the open communique of Japanese 2000-039012 application for a patent for invention
Above-mentioned bolt covers above-mentioned locking nut by above-mentioned cover, still, because above-mentioned tightening nut covers by above-mentioned cover, thus can the throw and the above-mentioned tightening nut of spanner etc. is chimeric, make its rotation.Yet, if by this throw, make this tightening nut rotation, follow the rotation of this tightening nut, above-mentioned locking nut rotates jointly.Therefore, have following problem, that is, suspicious people adopts lax above-mentioned bolt such as spanner, from the window of above-mentioned building, takes off the fastened thing of above-mentioned iron lattice grid window etc., trespasses in this building.
Therefore, produce the technical task that should solve, the objective of the invention is to solve this problem in order to prevent user people in addition from unlawfully removing the fastening situation of fastened thing really.
Summary of the invention
The present invention proposes to achieve these goals, the present invention relates to a kind of bolt, this bolt is used for fastened thing is anchored on structure, this bolt comprises bolt body, this bolt body is formed by pure metallic rod, and following quadrate part in this bolt body, form the screw section, it is characterized in that top end, by the mode of welding etc. in bolt body, be fixed with hemisphere, on hemispheroidal end face, be fixed with polygonal head, in the upper portion of above-mentioned bolt body, offer the polygonal hole of above-mentioned end face opening, in addition, at above-mentioned hemispheroidal inner side surface, offer intercommunicating pore, the diameter of this intercommunicating pore is greater than above-mentioned polygonal hole, and this intercommunicating pore is communicated with above-mentioned polygonal hole.
According to this scheme, in the occasion that above-mentioned fastened thing is anchored on the said structure thing, the instrument by spanner etc. rotates above-mentioned polygonal head, and thus, fastening above-mentioned bolt is anchored on above-mentioned fastened thing on the said structure thing.
In addition, wait the fastening occasion can't remove above-mentioned fastened thing, adopt parting tool suspicious people, along above-mentioned hemispheroidal directly over face, cut off, above-mentioned polygonal head and this hemisphere are separated.Like this, on above-mentioned fastened thing, above-mentioned hemispheroidal top end, promptly horizontal plane exposes, and under the non-existent state of above-mentioned polygonal head, keeps the fastening of above-mentioned fastened thing.In this hold mode, the above-mentioned intercommunicating pore that is arranged on the above-mentioned hemisphere does not expose at above-mentioned hemispheroidal section.
The described invention of the 2nd scheme provides following bolt, wherein, between above-mentioned hemisphere and above-mentioned polygonal head, forms joint.
According to this scheme,, joint is set by between hemisphere and above-mentioned polygonal head, thus, when from the above-mentioned polygonal head of this hemisphere cut-out, owing to form the space of the length that is equivalent to above-mentioned joint, so adopt this space, carry out this cut-out operation easily.
The described invention of the 3rd scheme provides following bolt, and wherein, the tip portion in above-mentioned bolt body is provided with lip part, and the recess chimeric with this lip part is formed at above-mentioned hemispheroidal bottom surface.
According to this scheme, because the tip portion in above-mentioned bolt body is provided with lip part, in above-mentioned hemispheroidal bottom surface, form and the chimeric recess of this lip part, so in that above-mentioned lip part and recess is chimeric, under the state that keeps, above-mentioned hemisphere by the welding etc. means of fixation, be fixed on the above-mentioned bolt body.
The described invention of the 4th scheme provides a kind of locking method of bolt, wherein the locking method of this bolt adopts the described bolt of the 1st scheme, fastened thing is anchored on the structure, then, between hemisphere and polygonal head, and along this hemispheroidal directly over face, remove above-mentioned polygonal head, above-mentioned intercommunicating pore does not expose at this hemispheroidal section, under this state, keeps the fastening of above-mentioned fastened thing.
According to this scheme, after above-mentioned fastened thing is fastening, from above-mentioned hemisphere, separate and get rid of above-mentioned polygonal head, on above-mentioned fastened thing, this hemispheroidal top end, be that horizontal plane exposes, in this occasion, above-mentioned intercommunicating pore does not expose at hemispheroidal section.Therefore, throw is contacted with this hemisphere, rotate this throw, even in this case, this instrument still dallies on this hemispheroidal curved surface.
The described invention of the 5th scheme provides a kind of relaxation method of bolt, wherein the locking method of this bolt adopts the described bolt of the 1st scheme, fastened thing is anchored on the structure, then, between hemisphere and polygonal head, and along this hemispheroidal directly over face cut off, intercommunicating pore does not expose at this hemispheroidal section, under this state, keep the fastening of above-mentioned fastened thing, in this tightening state, cut from the top of this hemispheroidal section, intercommunicating pore that is opened on this hemispheroidal inner side surface and the polygonal hole of the bolt body side that is communicated with this intercommunicating pore are exposed, then, by the instrument chimeric with this polygonal hole, lax above-mentioned bolt is removed the fastening of above-mentioned fastened thing.
According to this scheme, face cuts off directly over hemispheroidal, above-mentioned intercommunicating pore is exposed, the state that this fastened thing is fastening, remove above-mentioned fastening, at this moment, top from above-mentioned hemispheroidal section, instrument by lapping machine etc. cuts, and thus, the above-mentioned intercommunicating pore that is communicated with the polygonal hole of above-mentioned bolt body side exposes in above-mentioned hemispheroidal cutting face.Therefore, from this intercommunicating pore, insert instrument with the chimeric spanner of this polygonal hole etc. in chimeric mode, lax above-mentioned bolt thus, can be removed the fastening of above-mentioned fastened thing, takes off above-mentioned fastened thing from the said structure thing.
For the described invention of the 1st scheme, when being anchored on above-mentioned fastened thing on the said structure thing, can be by the instrument of spanner etc., the polygonal head on the above-mentioned hemisphere is fixed in rotation, easy fastening above-mentioned bolt, and above-mentioned fastened thing is anchored on the said structure thing.
In addition, after above-mentioned fastened thing is fastening, between above-mentioned hemisphere and polygonal head, and along above-mentioned hemispheroidal directly over face cut off, thus, remove above-mentioned polygonal head.Therefore, can be under the state that above-mentioned intercommunicating pore does not expose, to keep the fastening of above-mentioned fastened thing on the above-mentioned hemispheroidal section.In addition, because by above-mentioned hemisphere, hidden above-mentioned polygonal hole, the above-mentioned bolt so the personnel beyond the user can not relax is removed the fastening of above-mentioned fastened thing.
For the described invention of the 2nd scheme, because between hemisphere and polygonal head, space with the length that is equivalent to above-mentioned joint, so not only have the effect of the described invention of the 1st scheme, and instrument is being inserted under the state in this space, along above-mentioned hemispheroidal directly over the cut-out operation carried out of face implement apace easily.
For the described invention of the 3rd scheme, owing to can be to be arranged at the above-mentioned recess of above-mentioned hemispheroidal bottom surface, keep being arranged in chimeric mode under the state of lip part of tip portion of above-mentioned bolt body, by the welding etc. means of fixation, above-mentioned hemisphere is fixed on the above-mentioned bolt body, so not only have the effect of the 1st or the 2nd described invention of scheme, and can be easily and carry out the fixed operation of above-mentioned welding etc. accurately.
For the described invention of the 4th scheme, because under the state of fastening above-mentioned fastened thing, hemispheroidal section exposes on above-mentioned fastened thing, do not expose with the intercommunicating pore of being offered on the above-mentioned hemisphere that above-mentioned polygonal hole on being arranged at bolt body is communicated with, so not only have the effect of the described invention of the 1st scheme, even wait the above-mentioned hemisphere of contact and under the situation of rotary manipulation throw suspicious people, because this instrument dallies on above-mentioned hemispheroidal curved surface, so the above-mentioned bolt that can not relax.Like this, can't be from the said structure thing of building etc., take off the above-mentioned fastened thing of iron lattice grid window etc., therefore, can prevent from that suspicious people from waiting to invade building etc.
For the described invention of the 5th scheme, in order to take off above-mentioned fastened thing from the said structure thing, must be from the top of above-mentioned hemispheroidal section, pass through parting tool, cut, but, wait the employing cutting tool suspicious people, to the occasion that above-mentioned hemispheroidal section cuts,, can find this cutting behavior because people on every side hears the noise that is produced when this cutting at once, so not only have the effect of the described invention of the 1st scheme, and, suspicious people is waited have to abandon above-mentioned hemispheroidal section is cut, prevent that suspicious people etc. from taking off above-mentioned fastened thing.
Description of drawings
Fig. 1 is the plan view of the bolt of expression one embodiment of the present of invention;
Fig. 2 is the plan view of partly cut-away of the major component of the bolt of representing one embodiment of the present of invention with is olation;
Fig. 3 is the plan view of the partly cut-away of the major component of the bolt of expression one embodiment of the present of invention;
Fig. 4 is the plan view of the polygonal hole of the bolt body of expression one embodiment of the present of invention;
Fig. 5 is the expression also plan view of the partly cut-away of the major component of an embodiment bolt of the present invention;
Fig. 6 is expression one embodiment of the present of invention, the plan view of the tightening state when cutting off polygonal head;
Fig. 7 is the hemispheroidal top of expression cutting Fig. 6 state, and the plan view of the state that exposes of this hemispheroidal intercommunicating pore;
Fig. 8 is the hemispheroidal end face from the state of Fig. 7, inserts throw, the plan view of the state of lax bolt.
Embodiment
The present invention realizes that by following mode this mode is: on the top end of bolt body, by the welding etc. mode, be fixed with hemisphere, and, on this hemispheroidal end face, be fixed with polygonal head, and,, the polygonal hole of end face opening is set in the upper portion of bolt body, at above-mentioned hemispheroidal inner side surface, intercommunicating pore is set, and the diameter of this intercommunicating pore is greater than above-mentioned polygonal hole, and this intercommunicating pore is communicated with this polygonal hole.
Embodiment
Below by Fig. 1～Fig. 8, one embodiment of the present of invention are described.In the drawings, label 1 expression is used for the structure 2 at the window of wooden dwelling house etc., the bolt of the fastened thing 3 of fastening iron lattice grid window etc., and this bolt 1 comprises the bolt body 4 that is formed by pure metallic rod.In the tip portion of this bolt body 4, be provided with circular lip part 5, with the following quadrate part of these lip part 5 opposite examples, offer screw section 6.
In the upper portion of above-mentioned bolt body 4, offer polygonal hole 7, this polygonal hole 7 forms according to the mode along the longitudinal extension of above-mentioned bolt body 4.In addition, the top of this polygonal hole 7 is opened on the top end of above-mentioned bolt body 1 as shown in Figure 2, and the throw 8 of polygonal spanner etc. is embedded in this polygonal hole 7 in mode removably.
As shown in Figure 3, hemisphere 9 is the upper portion that one is fixed on above-mentioned bolt body 4 by the mode of welding etc., and this hemisphere 9 covers the opening portion of above-mentioned polygonal hole 7.In addition, bottom surface in the above-mentioned hemisphere 9 12 is formed by tabular surface, and the part beyond this bottom surface 12 is and is seen as circular curved surface from the plane.Thus, even contact with this hemisphere 9 at the throw with spanner etc., under the situation that this throw 9 is rotated, this throw is still realized idle running on the curved surface of above-mentioned hemisphere 9.
Neutral position in the bottom surface 12 of above-mentioned hemisphere 9 is provided with circular recess 10, and the embedding mode is fixed on the lip part 5 on the tip portion that is located at above-mentioned bolt body 4 beyond this recess 10.In addition, at the intermediate portion of this recess 10, form the intercommunicating pore 11 be communicated with this recess 10, this intercommunicating pore 11 is communicated with polygonal hole 7 in being opened in above-mentioned bolt body 4.In addition, the diameter of this intercommunicating pore 11 is a bit larger tham this polygonal hole 7, and above-mentioned throw 8 is nested in the above-mentioned intercommunicating pore 11 in the mode that can insert disengagement.
In addition, the diameter of above-mentioned intercommunicating pore 11 is greater than the polygonal hole 7 that is opened in the above-mentioned bolt body 4, still, also can replace this intercommunicating pore 11, in above-mentioned bolt body 4, offer polygonal hole 7, or do not offer this polygonal hole 7, and in above-mentioned hemisphere 9, form polygonal hole 7a.
Fig. 5 represents according to the above-mentioned intercommunicating pore 11 of replacement, and formation polygonal hole 7a, the structure example that the chimeric mode of above-mentioned throw 8 and above-mentioned polygonal hole 7a forms.In this occasion, best, also the thickness of the lip part 5 of bolt body 4 can be set according to the degree bigger slightly than the structure example of Fig. 2, the basic and essentially identical polygonal hole 7 of this thickness of its degree of depth is opened in the intermediate portion of the above-mentioned lip part 5 of the tip portion that is arranged on above-mentioned bolt body 4.
Constitute shown in Figure 5 if resemble, then after fastened thing 3 is fastening, such as, the user is in order operation such as to keep in repair, and face 13 cuts off directly over the above-mentioned hemisphere 9, removes above-mentioned polygonal head 14, thus, the polygonal hole 7b of the polygonal hole 7a of above-mentioned hemisphere 9 inboards and the bolt body 4 that is communicated with it exposes, and from above-mentioned polygonal hole 7a, inserts above-mentioned throw 8, lax above-mentioned bolt 1, but at this moment, above-mentioned throw 8 is chimeric with above-mentioned polygonal hole 7a and above-mentioned polygonal hole 7b, the telescoping part of this throw 8 is elongated, thus, the chimeric status of this throw 8 is stable, the rotary manipulation raising of this throw 8.
The mode that the external diameter of above-mentioned hemisphere 9 increases according to the bottom direction of following above-mentioned hemisphere 9 forms, the bottom surface 12 of this hemisphere 9 is when above-mentioned fastened thing 3 is fastening, cooperate with the lip part 5 of the tip portion that is arranged at bolt body 4, push above-mentioned fastened thing 3.
In addition, at the top of above-mentioned hemisphere 9, by joint 15, be integral and be fixed with metal polygonal head 14, this polygonal head 14 is chimeric polygon-shaped of the instrument of spanner etc.In addition, between this joint 15 and hemisphere 9, face 13 cuts off by parting tool behind fastening above-mentioned fastened thing 3 directly over this hemisphere 9.
Adopting above-mentioned bolt 1, when being anchored on above-mentioned fastened thing 3 on the said structure thing 2, the instrument by spanner etc. rotates above-mentioned polygonal head 14, thus, above-mentioned fastened thing 3 can be anchored on the said structure thing 2.Like this, above-mentioned fastened thing 3 presses on the said structure thing 2 in the mode of fitting tightly by the bottom surface 12 of above-mentioned hemisphere 9 and the lip part 5 of bolt body 4, under this state, above-mentioned fastened thing 3 is anchored on this structure 2.
Should be fastened thing 3 fastening after, for according to not waiting the mode of will this fastened thing 3 pulling down to keep this fastened thing 3 by suspicious people from said structure thing 2, face 13 directly over the above-mentioned hemisphere 9, cut off by parting tool, thus, from this hemisphere 9, separate and get rid of above-mentioned polygonal head 14.Like this, on above-mentioned fastened thing 3, residual above-mentioned hemisphere 9, and the section of this hemisphere 9 exposes, and still, under this state, on the section of this hemisphere 9, the above-mentioned intercommunicating pore 11 that is communicated with above-mentioned polygonal hole 7 does not expose.
Here, when suspicious people waits instrument by spanner etc., when rotating above-mentioned hemisphere 9,,, above-mentioned bolt body 4 can't be relaxed so this hemisphere 9 does not rotate because this instrument dallies on the curved surface of this hemisphere 9.Like this, because suspicious people waits the above-mentioned fastened thing 3 of the iron lattice grid window on the said structure thing 2 can't take off the window that is anchored on dwelling house etc. etc. etc., so its inside of the structure 2 of house-breaking etc. unlawfully.
As shown in Figure 6, from keeping the fastening state of above-mentioned fastened thing 3, the user plans the occasion take off above-mentioned fastened thing 3 as required, top from the section 16 of above-mentioned hemisphere 9, cutting tool by lapping machine etc. cuts, thus, make the intercommunicating pore 11 in the inner side surface that is arranged at this hemisphere 9, and the polygonal hole 7 of the bolt body 4 that is communicated with this intercommunicating pore 11 is exposed.
Therefore, from above-mentioned intercommunicating pore 11, the throw 8 of insertion polygonal spanner etc., itself and above-mentioned polygonal hole 7 is chimeric, then, and as shown in Figure 7, by above-mentioned throw 8, lax above-mentioned bolt 1.Like this, can remove the fastening of this fastened thing 3, take off above-mentioned fastened thing 3 from said structure thing 2.
In addition, when the releasing operation of carrying out above-mentioned fastened thing 3, the user can be placed on the general widely used instrument of lapping machine, spanner etc. on hand, under the situation that does not adopt special special tool, removes operation simply.
At this, when top, when cutting, around the bigger cutting sound that produces when this cutting will propagate into by lapping machine etc. from the section 16 of above-mentioned hemisphere 9.Therefore, wait the occasion of the behavior of unlawfully cutting suspicious people, people on every side hears this cutting sound, thus, can find the behavior of suspicious people's etc. illegal cutting at once.
In addition, only otherwise break away from spirit of the present invention, the present invention can realize various changes, certainly, the present invention includes the content of this change.
Claims (5)
1. bolt, this bolt is used for fastened thing is anchored on structure, this bolt comprises bolt body, this bolt body is formed by pure metallic rod, and the following quadrate part in this bolt body forms the screw section, it is characterized in that the top end in bolt body, by the mode of welding etc., be fixed with hemisphere, on this hemispheroidal end face, be fixed with polygonal head, in the upper portion of above-mentioned bolt body, offer the polygonal hole of above-mentioned end face opening, in addition, at above-mentioned hemispheroidal inner side surface, offer intercommunicating pore, the diameter of this intercommunicating pore is greater than above-mentioned polygonal hole, and this intercommunicating pore is communicated with above-mentioned polygonal hole.
2. bolt according to claim 1 is characterized in that forming joint between above-mentioned hemisphere and above-mentioned polygonal head.
3. bolt according to claim 1 and 2 is characterized in that in the tip portion of above-mentioned bolt body lip part being set, and the recess chimeric with this lip part is formed at above-mentioned hemispheroidal bottom surface.
4. the locking method of a bolt, the locking method that it is characterized in that this bolt adopts the described bolt of claim 1, fastened thing is anchored on the structure, then, between hemisphere and polygonal head, and along this hemispheroidal directly over face, remove above-mentioned polygonal head, above-mentioned intercommunicating pore does not expose at this hemispheroidal section, under this state, keeps the fastening of above-mentioned fastened thing.
5. the relaxation method of a bolt, the locking method that it is characterized in that this bolt adopts the described bolt of claim 1, fastened thing is anchored on the structure, then, between hemisphere and polygonal head, and along this hemispheroidal directly over face, cut off, intercommunicating pore does not expose at this hemispheroidal section, under this state, keeps the fastening of above-mentioned fastened thing, under this tightening state, from the top of this hemispheroidal section, cut, intercommunicating pore that is opened on this hemispheroidal inner side surface and the polygonal hole of the bolt body side that is communicated with this intercommunicating pore are exposed, then, by the instrument chimeric with this polygonal hole, lax above-mentioned bolt is removed the fastening of above-mentioned fastened thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100425421A CN100432454C (en) | 2004-05-21 | 2004-05-21 | Bolt and method for fastening and loosening the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100425421A CN100432454C (en) | 2004-05-21 | 2004-05-21 | Bolt and method for fastening and loosening the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1699769A true CN1699769A (en) | 2005-11-23 |
| CN100432454C CN100432454C (en) | 2008-11-12 |
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ID=35475974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100425421A Expired - Fee Related CN100432454C (en) | 2004-05-21 | 2004-05-21 | Bolt and method for fastening and loosening the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432454C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102971496A (en) * | 2010-09-24 | 2013-03-13 | 三菱重工业株式会社 | Weld bead cutting device and method for extracting radial pin from steam turbine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252271Y (en) * | 1996-05-31 | 1997-04-16 | 长沙国防科大银河计算机厂 | Anti-theft bolt for number plate on vehicle |
| DE19644507C2 (en) * | 1996-10-25 | 1999-05-27 | Sfs Ind Holding Ag | Screw and use of a screw for fastening profiles to a substructure |
| JP2000039012A (en) * | 1998-07-23 | 2000-02-08 | Sanko Kk | Play preventing apparatus for bolt nut |
| CN2384019Y (en) * | 1999-06-09 | 2000-06-21 | 康智 | Bolt capable of preventing being detached by theft |
| CN2384021Y (en) * | 1999-08-06 | 2000-06-21 | 康智 | Adjustable bolt capable of preventing being detached by theft |
-
2004
- 2004-05-21 CN CNB2004100425421A patent/CN100432454C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102971496A (en) * | 2010-09-24 | 2013-03-13 | 三菱重工业株式会社 | Weld bead cutting device and method for extracting radial pin from steam turbine |
| CN102971496B (en) * | 2010-09-24 | 2015-04-01 | 三菱重工业株式会社 | Weld bead cutting device and method for extracting radial pin from steam turbine |
| US9126272B2 (en) | 2010-09-24 | 2015-09-08 | Mitsubishi Hitachi Power Systems, Ltd. | Weld bead cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100432454C (en) | 2008-11-12 |
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Owner name: JAPAN INDY ASIA SALES CO., LTD. Free format text: FORMER OWNER: CORPORATION TECNAMTECK Effective date: 20081031 |
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Effective date of registration: 20081031 Address after: Tokyo, Japan Patentee after: Japan India Sales Corporation Address before: Tokyo, Japan Patentee before: Tegunar Matego Co., Ltd. |
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Granted publication date: 20081112 |