CN2102403U - Anti-loose bolt member - Google Patents
Anti-loose bolt member Download PDFInfo
- Publication number
- CN2102403U CN2102403U CN 91223756 CN91223756U CN2102403U CN 2102403 U CN2102403 U CN 2102403U CN 91223756 CN91223756 CN 91223756 CN 91223756 U CN91223756 U CN 91223756U CN 2102403 U CN2102403 U CN 2102403U
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- bolt
- packing ring
- nut
- circumferential
- sour jujube
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Abstract
The utility model relates to an anti-looseness bolt member which comprises a nut, a screw bolt and a washer, wherein, the bottom surface of the nut is provided with a plurality of circumferential thorn-shaped notches which are uniformly distributed along the circumference. At least one radial groove which is extended along the axial direction is arranged on the screw thread section of the screw bolt. The inner edge of a middle hole of the washer is provided with at least one radical bulge which is embedded with the grooves on the screw bolt. Besides, at least one circumferential ratchet pawl-shaped upwarp part which can be engaged with the thorn-shaped notches on the nut is arranged on the washer. The anti-looseness bolt member has the advantages of convenient use and reliable looseness resistance, and is suitable for the anti-looseness connection of various important workpieces, such as the fixed installation of wheels, furniture, etc.
Description
The utility model relates to bolt (nail) assembly, particularly chek bolt (nail) assembly.
Bolt (nail) assembly purposes is very wide, but in the occasion that has than strong motion, but exists the possibility that gets loose.Therefore, usually adopt double nut or elastic washer locking, on some important parts, then on nuts and bolt, slot respectively and hole, squeeze into cotter pin then and fix.But adopt double nut and elastic washer locking still reliable inadequately, then structure and manufacturing process are too complicated to adopt cotter pin, use inconvenience.
The purpose of this utility model provide a kind of can be locking reliably, and simple in structure, chek bolt easy to use (nail) assembly.
Technical solution of the present utility model is:
A kind of subassembly of lock bolt, comprise: nut, bolt, packing ring, wherein, described nut bottom surface is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, and the thread section of described bolt is provided with at least one radial groove that extends vertically, the mesopore inner edge of described packing ring be provided with at least one can with the radial protrusion of the above groove tabling of bolt, and upwarp portion also being provided with at least one circumferential ratchet shape that can be meshed on the packing ring with the sour jujube shape recess on the nut.
According to same design of the present utility model, can also design following other several chek bolts (nail) assemblies.
A kind of subassembly of lock bolt, comprise: nut, bolt, packing ring, wherein, described nut bottom surface is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, the thread section of described bolt is provided with a radial groove that extends vertically, described packing ring is the ring-type of not sealing, and the one end has the radially inner kink in the groove that can embed on the described bolt, and its other end has circumferential ratchet shape and upwarps portion.Or
A kind of subassembly of lock bolt, comprise: bolt, packing ring, wherein, the head lower end surface of described bolt is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, the outer rim of described packing ring is provided with at least one kink vertically downward, also is provided with at least one circumferential ratchet shape that can be meshed with the sour jujube shape recess on the bolt head on this packing ring and upwarps portion.Or
A kind of backing-up screw assembly comprises: screw, wherein, the head lower end surface of described screw is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference.And
A kind of subassembly of lock bolt comprises: nut, bolt, wherein, be provided with a cavity on described nut mesopore inwall, this cavity internal fixation has an elasticity spinal plate, and the thread section of described bolt is provided with at least one radially sour jujube connected in star that extends vertically that can be meshed with described spinal plate.
Adopt bolt of the present utility model (nail) when assembly is fastening, be meshed by the circumferential ratchet shape portion of upwarping on the circumferential sour jujube shape recess on nut or the bolt head and the packing ring, and packing ring itself is circumferentially located with bolt or fixation again; Perhaps directly embed for example timber of fixture by the circumferential sour jujube shape recess on the screw head; Perhaps be meshed with sour jujube connected in star on the bolt, thereby nut or bolt (nail) can only be advanced, can not move back, reach firmly locking purpose, and it is very convenient to operate by the spinal plate on the nut.
Below in conjunction with accompanying drawing, describe most preferred embodiment of the present utility model in detail, to further specify other purposes of the present utility model, feature and advantage.Wherein,
Fig. 1 is the perspective exploded view of first kind of subassembly of lock bolt of the present utility model;
Fig. 2 is a bolt assembly mounting structure schematic side view shown in Figure 1;
Fig. 3 A is equipped with a kind of mounting structure schematic perspective view of dismantling the bolt assembly of packing ring;
Fig. 3 B is the schematic perspective view of bolt assembly shown in expression dismounting Fig. 3 A;
Fig. 4 A is the schematic perspective view of mounting structure that the bolt assembly of another kind of dismounting packing ring is housed;
Fig. 4 B is the schematic perspective view of bolt assembly shown in expression dismounting Fig. 4 A;
Fig. 5 A is the perspective exploded view of second kind of subassembly of lock bolt of the present utility model;
Fig. 5 B is the mounting structure schematic top plan view of bolt assembly shown in the presentation graphs 5A;
Fig. 6 A is the part mounting structure schematic perspective view of the third subassembly of lock bolt of the present utility model;
Fig. 6 B is the schematic side view of the mounting structure of the bolt assembly shown in the presentation graphs 6A;
Fig. 7 A is the schematic perspective view of the nut of the 4th kind of subassembly of lock bolt of the present utility model;
Fig. 7 B is the schematic side view with the bolt of nut adapted shown in Fig. 7 A;
Fig. 7 C is the schematic representation of looking closely of the bolt shown in Fig. 7 B.
Fig. 8 A is the side-looking decomposing schematic representation of the 5th kind of subassembly of lock bolt of the present utility model;
Fig. 8 B is the schematic perspective view of the packing ring of bolt assembly shown in Fig. 8 A;
Fig. 9 A is that the side of a kind of backing-up screw assembly of the present utility model is shown decomposing schematic representation;
Fig. 9 B is the schematic top plan view of the packing ring of screw assembly shown in Fig. 9 A.
Referring to Fig. 1 and 2, a kind of subassembly of lock bolt of the present utility model comprises nut 1, bolt 2 and packing ring 3, wherein, on the bottom surface of nut 1, be provided with a plurality of circumferential sour jujube shape recesses 101 that are uniformly distributed along the circumference, the thread section of bolt 2 is provided with one or more radial grooves 201 that extend vertically, the mesopore inner edge of packing ring 3 be provided with one or more can with the radial protrusion 301 of groove 201 tablings on the bolt 2, also be provided with one or morely on the packing ring 3, for example two circumferential ratchet shapes that can be meshed with the sour jujube shape recess 101 on the nut 1 upwarp portion 302.When this bolt assembly is installed, groove 201 on projection 301 stud bolts 2 on the packing ring 3, make packing ring 3 circumferentially fixing, when nut 1 was screwed into, the sour jujube shape recess 101 of its bottom surface upwarped portion 302 with the ratchet shape on the packing ring 3 and is meshed, thereby can only advance, can not move back, behind the nut screwing clamping, just can not withdraw from again, reach locking purpose, see Fig. 2.
For the ease of unclamping nut again, the outer side surface of sour jujube shape recess 101 is communicated with the outer side surface of nut, and make the ratchet shape on the packing ring 3 upwarp the external diameter of portion 302 greater than nut 1 external diameter, for example, can be set as external diameter by external diameter, and make ratchet shape upwarp the outer rim place that portion 302 radially extends to packing ring 3, like this packing ring 3 greater than nut 1, be convenient to upwarp that to unscrew spiral shell after portion 302 flattens again flat 1, see Fig. 2 by the ratchet shape that will be exposed to nut 1 outside.
Upwarping portion 302 for the ease of the ratchet shape that will expose flattens, this bolt assembly can also comprise that one is used to be installed in the bigger dismounting packing ring 4 of external diameter of packing ring 3 belows, see Fig. 3 A, 4A, and be provided with the portion that upwarps 302 quantity of packing ring 3 in the outer rim of this packing ring 4 equate, the corresponding kink vertically upward 401 in position, among Fig. 3 A, the 4A, upwarp portion 302 and kink 401 and be one, and further be provided with radially inner horizontal kink 402(Fig. 3 A in the upper end of this kink 401) or on this kink 401, add through hole 403(Fig. 4 A).Like this, in the time of need unclamping nut 1 again, only need horizontal kink 402 of the flat end insertion of screwdriver set or other little rod T1 and ratchet shape are upwarped between the portion 302, see Fig. 3 B, and rotate rod T1 along the direction of arrow F1, flatten so that will upwarp portion 302, turn nut 1 along arrow F2 direction simultaneously, just can unclamp nut 1 again; Or with the through hole 403 on the end insertion kink 401 of a little rod T2, see Fig. 4 B, and pull little rod T2 along arrow F3 direction, make its end will upwarp portion 302 and flatten, along the direction rotating nut 1 of arrow F4, can unclamp nut 1 again too simultaneously.
The bolt assembly that has is installed the back and is wished forever not unclamp, then can adopt the form shown in Fig. 5 A and 5B, wherein, the external diameter that circumferential ratchet shape is upwarped portion 302 is set as less than nut 1 external diameter, this generally can be by making the external diameter of packing ring 3 than little realization of external diameter of nut 1, and after nut 1 was tightened, the outside of nut 1 was not exposed by the portion that upwarps 302 on the packing ring 3 like this, therefore also just it can not be flattened, so nut 1 just for good and all has been fastened on the bolt 2.
Fig. 6 A and 6B represented another kind of can forever fastening bolt assembly, packing ring 5 wherein is a ring-type of not sealing, and the one end has radially inner kink 501, is used for the groove 201 on the stud bolt 2, make its circumferential location, its the other end has circumferential ratchet shape and upwarps portion 502, is used for matching with recess 101 on the nut 1, after tightening, packing ring 5 does not expose nut 1 outside, also just be difficult to the portion that upwarps on it 502 is flattened,, be fastened on for a long time on the bolt 2 so nut 1 just forever.In order to make nut 1 that more steady and chip shield 5 is installed, can be outside packing ring 5 large washer 6 of suit again, shown in Fig. 6 A, 6B.
The utility model also provides another can forever fastening bolt assembly, sees Fig. 7 A, 7B and 7C, and it comprises a nut 7 and a bolt 8, wherein, establishes a cavity 701 on the mesopore inwall of nut 7, cavity 701 internal fixation one elasticity spinal plate 9.Bolt 8 is provided with one to three radially sour jujube connected in star 801 that extends vertically that can be meshed with spinal plate 9, and like this, when nut 7 was tightened with bolt 8, spinal plate 9 matched with groove 801, makes the nut 7 can only be tight, can not pine, reach fastening purpose forever.
The means of fixation of spinal plate 9 and cavity 701 can be varied, and as spot welding, riveted joint has shown among Fig. 7 A that spinal plate 9 is fixed in the cavity 701 by its end 901 and a depression 702 tablings at the bottom of cavity 701 chambeies.
The utility model also provides and has directly twisted chek bolt and the screw assembly that is connected on the fixture.
Referring to Fig. 8 A, 8B, a kind of subassembly of lock bolt that is connected on the fixture 10,11 of directly twisting, comprise: bolt 12 and packing ring 13, the head lower end surface of this bolt 12 is provided with a plurality of circumferential sour jujube shape recesses 121 that are uniformly distributed along the circumference, the outer rim of packing ring 13 is provided with one or more kinks 131 vertically downward, also is provided with one or more circumferential ratchet shapes that can be meshed with all recesses 121 on the bolt head on this packing ring 13 and upwarps portion 132.During installation, earlier the screw of top fixture 10 other establish one can with the hole 110 of kink 137 tablings on the packing ring 13, packing ring 13 is placed on this screw place, and makes its kink 131 embedded holes 110, thereby packing ring 13 is circumferentially located, again bolt 12 is screwed into screw, when tightening, all sour jujube shape recesses 121 on the bolt head are meshed with the portion that upwarps 132 on the packing ring, can only be tight, can not be loose, reach locking purpose.Also can be as described in the embodiment of front, the external diameter of packing ring 13 is set as the head outer diameter that is greater than or less than bolt 12, thereby obtains detachable and non-dismountable two kinds of bolt assemblies.
Referring to Fig. 9 A and 9B, of the present utility modelly a kind ofly can directly be screwed into for example backing-up screw assembly of timber, plastics etc. of soft material, it comprises a screw 14, one packing ring 15, the head lower end surface of screw 14 is provided with a plurality of circumferential sour jujube shape recesses 141 that are uniformly distributed along the circumference, the structure of packing ring 15 is identical with Fig. 8 B's, and packing ring 15 outsides among Fig. 9 A, the 9B have two kinks 151 vertically downward.Correspondingly, two holes with kink 151 tablings also should be set, so that packing ring 15 is circumferentially located on the object that is fixed.The using method of this kind screw assembly is also similar with the bolt assembly shown in Fig. 8 A, the 8B.Because fixation is soft material, therefore, if do not use packing ring 15, when bolt 14 was directly tightened, the body surface that also can link closely of all sour jujube shape recesses 141 on it played certain locking effect.
According to design of the present utility model, those skilled in the art it is also contemplated that out the embodiment that some are new, but all can not exceed design scope of the present utility model.
Among above-mentioned each figure, identical label is represented identical position or structure.
Chek bolt of the present utility model (nail) assembly is interim or permanent fastening occasion applicable to various need, wheel for example, the locking connection of important parts, the fixed installation of furniture etc.
Claims (11)
1, a kind of subassembly of lock bolt, comprise: nut, bolt, packing ring, it is characterized in that described nut bottom surface is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, the thread section of described bolt is provided with at least one radial groove that extends vertically, the mesopore inner edge of described packing ring be provided with at least one can with the radial protrusion of the above groove tabling of bolt, and upwarp portion also being provided with at least one circumferential ratchet shape that can be meshed on the packing ring with the sour jujube shape recess on the nut.
2, bolt assembly as claimed in claim 1 is characterized in that, the outer side surface of described sour jujube shape recess communicates with the outer side surface of nut, and described ratchet shape upwarps the external diameter of portion greater than described nut external diameter.
3, bolt assembly as claimed in claim 2, it is characterized in that, comprise that also one is used to be installed in the bigger dismounting packing ring of external diameter of described packing ring below, the outer rim of this packing ring is provided with and upwarps with described ratchet shape that portion's quantity equates, the corresponding kink vertically upward in position, also is provided with a through hole on this vertical kink or its upper end also further has a radially inner horizontal kink.
4, bolt assembly as claimed in claim 1 is characterized in that, described circumferential ratchet shape upwarps the external diameter of the external diameter of portion less than described circumferential sour jujube shape recess.
5, a kind of subassembly of lock bolt, comprise: nut, bolt, packing ring is characterized in that, described nut bottom surface is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, the thread section of described bolt is provided with a radial groove that extends vertically, described packing ring is the ring-type of not sealing, and the one end has the radially inner kink in the groove that can embed on the described bolt, and its other end has circumferential ratchet shape and upwarps portion.
6, a kind of subassembly of lock bolt, comprise: bolt, packing ring, it is characterized in that, the head lower end surface of described bolt is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference, the outer rim of described packing ring is provided with at least one kink vertically downward, also is provided with at least one circumferential ratchet shape that can be meshed with the sour jujube shape recess on the bolt head on this packing ring and upwarps portion.
7, a kind of backing-up screw assembly comprises: screw is characterized in that the head lower end surface of described screw is provided with a plurality of circumferential sour jujube shape recesses that are uniformly distributed along the circumference.
8, screw assembly as claimed in claim 7, it is characterized in that, also comprise a packing ring, the outer rim of this packing ring is provided with at least one kink vertically downward, and also is provided with at least one circumferential ratchet shape that can be meshed with the sour jujube shape recess on the described screw head on this packing ring and upwarps portion.
9, a kind of subassembly of lock bolt, comprise: nut, bolt, it is characterized in that, on described nut mesopore inwall, be provided with a cavity, this cavity internal fixation has an elasticity spinal plate, and the thread section of described bolt is provided with at least one radially sour jujube connected in star that extends vertically that can be meshed with described spinal plate.
10, subassembly of lock bolt as claimed in claim 9 is characterized in that, the depression tabling of spinal plate at the bottom of by its end and described cavity chamber is fixed in this cavity.
11, subassembly of lock bolt as claimed in claim 10 is characterized in that, described cavity and spinal plate are positioned at the place, bottom surface of nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91223756 CN2102403U (en) | 1991-08-19 | 1991-08-19 | Anti-loose bolt member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91223756 CN2102403U (en) | 1991-08-19 | 1991-08-19 | Anti-loose bolt member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2102403U true CN2102403U (en) | 1992-04-22 |
Family
ID=4930359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91223756 Withdrawn CN2102403U (en) | 1991-08-19 | 1991-08-19 | Anti-loose bolt member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2102403U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302768B6 (en) * | 2008-11-25 | 2011-10-26 | CVUT v Praze, Fakulta strojní | Bolted connection securing system |
| CN102305233A (en) * | 2011-09-29 | 2012-01-04 | 国家标准件产品质量监督检验中心 | Locknut shim insert combination external member |
| CN102628473A (en) * | 2012-04-26 | 2012-08-08 | 许松林 | Anti-loosing threaded fastener |
| CN102808839A (en) * | 2011-06-01 | 2012-12-05 | 株式会社岛野 | Apparatus to assist mounting a bicycle component |
| WO2013020298A1 (en) * | 2011-08-11 | 2013-02-14 | Li Guoqing | Threaded connection device |
| CN102996606A (en) * | 2012-12-07 | 2013-03-27 | 宁波金鼎紧固件有限公司 | Nut component used in marine oil pipeline engineering |
| CN103016498A (en) * | 2012-12-03 | 2013-04-03 | 佟学武 | Method for preventing nuts from being loosened and falling off by buckling left-handed nut and right-handed nut into a whole |
| RU2486378C2 (en) * | 2008-12-09 | 2013-06-27 | Санг Чеол ЛИ | Self-locking bolt-nut set |
| CN103573784A (en) * | 2012-07-19 | 2014-02-12 | 盛仁科 | Novel locknut |
| WO2015165262A1 (en) * | 2014-04-28 | 2015-11-05 | 江苏振东港口机械制造有限公司 | Anti-retreating bolt |
| CN105257670A (en) * | 2015-11-19 | 2016-01-20 | 国网黑龙江省电力有限公司检修公司 | Nondetachable anti-theft bolt device and anti-theft method |
| CN105526231A (en) * | 2016-02-01 | 2016-04-27 | 陈卫江 | Shock-proof slope 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 |
| CN108019414A (en) * | 2017-11-30 | 2018-05-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of anti-loose fastener |
| CN108916198A (en) * | 2018-07-06 | 2018-11-30 | 江西洪都航空工业集团有限责任公司 | A kind of threaded anti-loosing structure |
| CN109707720A (en) * | 2018-12-26 | 2019-05-03 | 黄万强 | A kind of anti-loosening locked assembly |
| CN111425510A (en) * | 2020-04-23 | 2020-07-17 | 林义 | Locking and positioning structure |
| CN111891342A (en) * | 2020-09-10 | 2020-11-06 | 四川跃纳科技有限公司 | Anti-loosening undercarriage of small unmanned aerial vehicle |
-
1991
- 1991-08-19 CN CN 91223756 patent/CN2102403U/en not_active Withdrawn
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302768B6 (en) * | 2008-11-25 | 2011-10-26 | CVUT v Praze, Fakulta strojní | Bolted connection securing system |
| RU2486378C2 (en) * | 2008-12-09 | 2013-06-27 | Санг Чеол ЛИ | Self-locking bolt-nut set |
| CN102808839A (en) * | 2011-06-01 | 2012-12-05 | 株式会社岛野 | Apparatus to assist mounting a bicycle component |
| US9447812B2 (en) | 2011-06-01 | 2016-09-20 | Shimano, Inc. | Apparatus to assist mounting a bicycle component |
| TWI454622B (en) * | 2011-06-01 | 2014-10-01 | Shimano Kk | Apparatus to assist mounting a bicycle component |
| CN102808839B (en) * | 2011-06-01 | 2015-05-20 | 株式会社岛野 | Apparatus to assist mounting a bicycle component |
| CN103052815B (en) * | 2011-08-11 | 2015-08-05 | 励国庆 | A kind of screw connection |
| WO2013020298A1 (en) * | 2011-08-11 | 2013-02-14 | Li Guoqing | Threaded connection device |
| CN103052815A (en) * | 2011-08-11 | 2013-04-17 | 励国庆 | Threaded connection device |
| CN102305233A (en) * | 2011-09-29 | 2012-01-04 | 国家标准件产品质量监督检验中心 | Locknut shim insert combination external member |
| CN102628473A (en) * | 2012-04-26 | 2012-08-08 | 许松林 | Anti-loosing threaded fastener |
| CN103573784A (en) * | 2012-07-19 | 2014-02-12 | 盛仁科 | Novel locknut |
| CN103016498A (en) * | 2012-12-03 | 2013-04-03 | 佟学武 | Method for preventing nuts from being loosened and falling off by buckling left-handed nut and right-handed nut into a whole |
| CN102996606A (en) * | 2012-12-07 | 2013-03-27 | 宁波金鼎紧固件有限公司 | Nut component used in marine oil pipeline engineering |
| WO2015165262A1 (en) * | 2014-04-28 | 2015-11-05 | 江苏振东港口机械制造有限公司 | Anti-retreating bolt |
| CN105257670A (en) * | 2015-11-19 | 2016-01-20 | 国网黑龙江省电力有限公司检修公司 | Nondetachable anti-theft bolt device and anti-theft method |
| CN105526231A (en) * | 2016-02-01 | 2016-04-27 | 陈卫江 | Shock-proof slope 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 |
| CN108019414A (en) * | 2017-11-30 | 2018-05-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of anti-loose fastener |
| CN108916198A (en) * | 2018-07-06 | 2018-11-30 | 江西洪都航空工业集团有限责任公司 | A kind of threaded anti-loosing structure |
| CN109707720A (en) * | 2018-12-26 | 2019-05-03 | 黄万强 | A kind of anti-loosening locked assembly |
| CN111425510A (en) * | 2020-04-23 | 2020-07-17 | 林义 | Locking and positioning structure |
| CN111425510B (en) * | 2020-04-23 | 2021-09-14 | 林义 | Locking and positioning structure |
| CN111891342A (en) * | 2020-09-10 | 2020-11-06 | 四川跃纳科技有限公司 | Anti-loosening undercarriage of small unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |