CN110131284B - High-strength anti-loose anti-theft bolt - Google Patents
High-strength anti-loose anti-theft bolt Download PDFInfo
- Publication number
- CN110131284B CN110131284B CN201910494691.8A CN201910494691A CN110131284B CN 110131284 B CN110131284 B CN 110131284B CN 201910494691 A CN201910494691 A CN 201910494691A CN 110131284 B CN110131284 B CN 110131284B
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- CN
- China
- Prior art keywords
- annular
- fixing
- theft
- grooves
- nut
- 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.)
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
The invention discloses a high-strength anti-loosening anti-theft bolt which comprises a bolt main body, a sleeve body, a positioning groove, a positioning body, a first nut body, a second nut body, an annular step, an annular body, a connecting body, a plurality of fixing nails, a plurality of fixing grooves, a plurality of fixing bodies, an annular skirt, an anti-theft sleeve, a plurality of fixing claws and a retainer ring.
Description
[ field of technology ]
The invention relates to the technical field of fasteners, in particular to the technical field of high-strength anti-loose anti-theft bolts.
[ background Art ]
Bolts made of high strength steel or requiring a large preload may be referred to as high strength bolts. The conventional high-strength bolt generally comprises a head and a screw rod connected below the head, and the bolt with the structure has simple structure but does not have the anti-loose and anti-theft effects.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a high-strength anti-loose anti-theft bolt which has an anti-loose anti-theft effect and is convenient to use.
In order to achieve the above purpose, the invention provides a high-strength anti-loosening anti-theft bolt, which comprises a bolt main body, a sleeve body, a positioning groove, a positioning body, a first nut body, a second nut body, an annular step, an annular body, a connecting body, a plurality of fixing nails, a plurality of fixing grooves, a plurality of fixing bodies, an annular skirt, an anti-theft sleeve, a plurality of fixing claws and a retainer ring, wherein the first nut body in threaded connection is sleeved on the screw rod of the bolt main body, the first nut body is abutted against the rear end of the sleeve body, the positioning body is arranged on the inner wall of the sleeve body, the positioning groove matched with the positioning body is arranged on the screw rod of the bolt main body, the annular skirt is arranged on the circumferential surface of the first nut body, the annular skirt is provided with uniformly distributed fixing grooves, the rear end of the sleeve body is provided with the annular step, the annular step is embedded at the front end of the annular step, the connecting body is positioned between the second nut body and the annular step, the rear end of the connecting body is provided with the corresponding annular connecting claws which can be inserted into the annular body, the annular connecting claws are correspondingly arranged at the rear end of the annular body and the annular skirt body and the annular body, the annular skirt is correspondingly provided with the fixing claws which are correspondingly arranged at the front end of the annular skirt and the annular body, and the annular body is correspondingly provided with the fixing claws which are correspondingly arranged at the front end of the annular skirt.
Preferably, the inner walls of the fixing bodies are respectively provided with an elastic anti-falling body, and the peripheral surfaces of the annular steps are provided with annular grooves matched with the elastic anti-falling bodies.
Preferably, the elastic anti-falling body comprises a connecting part fixedly inlaid on the fixing body, and the lower end of the connecting part is integrally provided with an obliquely arranged anti-falling part.
Preferably, the front end of the annular step is provided with embedded grooves matched with the annular body, the outer circumferential surface of the annular body is provided with uniformly distributed grooves, and the side walls of the embedded grooves corresponding to the outer circumferential surface of the annular body are provided with protrusions which are in one-to-one correspondence and matched with the grooves.
Preferably, the ring body is made of nylon material.
Preferably, a positioning protrusion is arranged on the outer side surface of one of the fixing bodies, and a positioning chute matched with the positioning protrusion is arranged on the inner wall of the anti-theft sleeve.
Preferably, the cross section of the anti-theft sleeve is circular.
The invention has the beneficial effects that: according to the invention, the sleeve body is prevented from rotating through the cooperation of the positioning body and the positioning groove, the annular step is arranged on the peripheral surface of the rear end of the sleeve body, the annular body is embedded in the front end of the annular step, the connecting body and the second nut body in threaded connection are sleeved on the sleeve body, the connecting body is positioned between the second nut body and the annular step, the rear end of the connecting body is provided with the fixing nail which can be inserted into the annular body, the fixing of the connecting body is realized, the peripheral surface of the connecting body is provided with the fixing body positioned in the fixing groove, so that the first nut body is prevented from loosening under the vibration condition, and after the first nut body is screwed, the fixing body can be inserted into the fixing groove no matter the fixing groove is stopped at any angle along with the first nut body; the anti-theft sleeve prevents the fastening tool from disassembling the first nut body, compared with the prior art, the anti-loose anti-theft effect can be achieved, and the anti-theft sleeve is convenient to use.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a high strength anti-loosening and anti-theft bolt of the present invention;
fig. 2 is a partial side view of a high strength anti-theft lockbolt of the present invention.
In the figure: 1-bolt main body, 2-sleeve body, 3-constant head tank, 4-constant head body, 5-first nut body, 6-second nut body, 7-annular step, 8-annular body, 9-connector, 10-staple, 11-fixed slot, 12-fixed body, 13-annular skirt, 14-elastic anti-drop body, 15-annular slot, 16-anti-theft sleeve, 17-fixed jaw, 18-retainer ring, 19-positioning protrusion, 110-positioning chute, 111-accommodation slot, 141-connector, 142-anti-drop portion, 71-embedded slot, 72-protrusion, 81-groove.
[ detailed description ] of the invention
Referring to fig. 1 and 2, the high-strength anti-loosening and anti-theft bolt comprises a bolt main body 1, a sleeve body 2, a positioning groove 3, a positioning body 4, a first nut body 5, a second nut body 6, an annular step 7, an annular body 8, a connecting body 9, a plurality of fixing nails 10, a plurality of fixing grooves 11, a plurality of fixing bodies 12, an annular skirt 13, an anti-theft sleeve 16, a plurality of fixing claws 17 and a retainer ring 18, wherein the first nut body 5 which is in threaded connection with the sleeve body 2 is sleeved on a screw rod of the bolt main body 1, the first nut body 5 is pressed against the rear end of the sleeve body 2, the positioning body 4 is arranged on the inner wall of the sleeve body 2, the positioning groove 3 matched with the positioning body 4 is arranged on the screw rod of the bolt main body 1, an annular skirt 13 is arranged on the circumferential surface of the front end of the first nut body 5, uniformly distributed fixing grooves 11 are arranged on the circumferential surface of the annular skirt 13, the circumference of the rear end of the sleeve body 2 is provided with an annular step 7, the front end of the annular step 7 is inlaid with an annular body 8, the sleeve body 2 is sleeved with a connecting body 9 and a second nut body 6 in threaded connection, the connecting body 9 is positioned between the second nut body 6 and the annular step 7, the rear end of the connecting body 9 is provided with a fixing nail 10 which can be pricked into the annular body 8, the rear end of the connecting body 9 is provided with a fixing body 12 which corresponds to and is matched with the fixing groove 11 one by one, the connecting body 9 and the annular skirt 13 are sleeved with an anti-theft sleeve 16, the rear end of the first nut body 5 is provided with a check ring 18, the front end of the anti-theft sleeve 16 is provided with deformable fixing claws 17 which are uniformly distributed, the front end of the connecting body 9 is provided with accommodating grooves 111 which correspond to the fixing claws 17 one by one and are matched with the fixing claws, the inner wall of the fixing body 12 is provided with an elastic anti-drop body 14, the circumference of the annular step 7 is provided with an annular groove 15 matched with the elastic anti-drop body 14, the elastic anti-drop body 14 comprises a connecting part 141 fixedly inlaid on the fixed body 12, the lower end of the connecting part 141 is integrally provided with an inclined anti-drop part 142, the front end of the annular step 7 is provided with inlaid grooves 71 matched with the annular body 8, the circumference of the annular body 8 is provided with evenly distributed grooves 81, the side walls of the inlaid grooves 71 corresponding to the circumference of the annular body 8 are provided with protrusions 72 which are in one-to-one correspondence with the grooves 81 and are matched with each other, the annular body 8 is made of nylon material, one of the outer side surfaces of the fixed body 12 is provided with positioning protrusions 19, the inner wall of the anti-theft sleeve 16 is provided with positioning sliding grooves 110 matched with the positioning protrusions 19, and the cross section of the anti-theft sleeve 16 is in a circular shape.
The working process of the invention comprises the following steps:
in the working process of the high-strength anti-loosening anti-theft bolt, a screw rod of a bolt main body 1 passes through a fastened part, a sleeve body 2 is sleeved on the screw rod of the bolt main body 1, a first nut body 5 is screwed, a connecting body 9 is rotated to drive a fixing body 12 to adjust the position of the fixing body to correspond to a fixing groove 11, a second nut body 6 is rotated to move backwards, the second nut body 6 drives the connecting body 9 to move backwards, the connecting body 9 drives a fixing nail 10 to be pricked into an annular body 8, the connecting body 9 drives the fixing body 12 to be inserted into the fixing groove 11, the fixing body 12 drives an elastic anti-loosening body 14 to move backwards, an anti-loosening part 142 enters into an annular groove 15, the anti-loosening sleeve 16 is rotated to move forwards at a certain distance from the connecting body 9, the anti-loosening sleeve 16 is sleeved on the connecting body 9 and the annular skirt 13, then a fixing claw 17 is knocked to incline towards the screw rod direction of the bolt main body 1, then the second nut body 6 is fastened, and the inclined fixing claw 17 enters into a containing groove 111 under the compression of the second nut body 6.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (4)
1. A high strength locking theftproof bolt, its characterized in that: including bolt main part (1), cover body (2), constant head tank (3), location body (4), first nut body (5), second nut body (6), cyclic annular step (7), cyclic annular body (8), connector (9), a plurality of staple (10), a plurality of fixed slots (11), a plurality of fixed body (12), cyclic annular shirt rim (13), theftproof cover (16), a plurality of stationary dog (17) and retaining ring (18), the cover is equipped with first nut body (5) of cover body (2) and threaded connection on the screw rod of bolt main part (1), first nut body (5) support and press on the rear end of cover body (2), cover body (2) inner wall is equipped with location body (4), be equipped with on the screw rod of bolt main part (1) with location body (4) matched with constant head tank (3), the front end periphery of first nut body (5) is equipped with cyclic annular shirt rim (13), the periphery of cyclic annular shirt rim (13) is equipped with evenly distributed's fixed slot (11), the rear end periphery of cover body (2) is equipped with cyclic annular step (7), cyclic annular body (7) front end (8) are equipped with on the screw body (6), the connecting body (9) is positioned between the second nut body (6) and the annular step (7), the rear end of the connecting body (9) is provided with fixing nails (10) which can be pricked into the annular body (8), the rear end of the connecting body (9) is provided with fixing bodies (12) which are in one-to-one correspondence with the fixing grooves (11) and are matched with each other, the connecting body (9) and the annular skirt (13) are sleeved with anti-theft sleeves (16), the rear end of the first nut body (5) is provided with check rings (18) of the anti-theft sleeves (16), the front end of the anti-theft sleeves (16) is provided with deformable fixing claws (17) which are uniformly distributed, the front end of the connecting body (9) is provided with containing grooves (111) which are in one-to-one correspondence with the fixing claws (17), the inner wall of the fixing body (12) is provided with elastic anti-drop bodies (14), the circumferential surface of the annular step (7) is provided with annular grooves (15) which are matched with the elastic anti-drop bodies (14), the elastic anti-drop bodies (14) comprise annular grooves (141) which are fixedly embedded on the circumferential surface of the annular step (7), the connecting body (141) is provided with the annular step (141), the annular part (141) is provided with the annular part (141) which is fixedly arranged on the upper surface, the outer peripheral surface of the annular body (8) is provided with evenly distributed grooves (81), and the side walls of the embedded grooves (71) corresponding to the outer peripheral surface of the annular body (8) are provided with protrusions (72) which are in one-to-one correspondence and matched with the grooves (81).
2. The high strength anti-theft bolt of claim 1, wherein: the annular body (8) is made of nylon material.
3. The high strength anti-theft bolt of claim 1, wherein: the outer side surface of one of the fixing bodies (12) is provided with a positioning protrusion (19), and the inner wall of the anti-theft sleeve (16) is provided with a positioning chute (110) matched with the positioning protrusion (19).
4. A high strength lockbolt according to any one of claims 1 to 3, wherein: the cross section of the anti-theft sleeve (16) is in a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494691.8A CN110131284B (en) | 2019-06-10 | 2019-06-10 | High-strength anti-loose anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494691.8A CN110131284B (en) | 2019-06-10 | 2019-06-10 | High-strength anti-loose anti-theft bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131284A CN110131284A (en) | 2019-08-16 |
| CN110131284B true CN110131284B (en) | 2023-12-05 |
Family
ID=67580776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910494691.8A Active CN110131284B (en) | 2019-06-10 | 2019-06-10 | High-strength anti-loose anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671408B (en) * | 2019-10-12 | 2021-08-03 | 嘉兴震辰五金科技股份有限公司 | Slotted flat tail screw assembly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007187215A (en) * | 2006-01-12 | 2007-07-26 | Mitsubishi Heavy Ind Ltd | Looseness preventive member of bolt and nut, safety bolt nut device and installation method |
| JP2009293793A (en) * | 2008-06-09 | 2009-12-17 | Ichiro Yamazaki | Pin mechanism for locking |
| CN101936323A (en) * | 2010-09-17 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Vehicle theftproof nut |
| CN104265749A (en) * | 2014-09-30 | 2015-01-07 | 泉州市锦汽机械配件有限公司 | Anti-loose self-locking nut and production method thereof |
| CN204677573U (en) * | 2015-02-01 | 2015-09-30 | 刘兴丹 | Combination chek bolt |
| CN105257666A (en) * | 2015-09-29 | 2016-01-20 | 玉环胜友工具有限公司 | Self-fastening anti-loose mechanical fastening mechanism |
| CN205423462U (en) * | 2015-09-02 | 2016-08-03 | 中核核电运行管理有限公司 | Locking bolt assembly and bolt tightening instrument and tight instrument that expands |
| CN106246687A (en) * | 2015-08-06 | 2016-12-21 | 杨东佐 | One is fastenedly connected assembly and structure, installation and method for dismounting, crankshaft connecting rod system, track structure, bone attachment means and bone method of attachment |
| CN109296619A (en) * | 2018-12-07 | 2019-02-01 | 浙江盛世瑞金紧固件有限公司 | A kind of loosing and theft preventing bolt easy to use |
| CN210440407U (en) * | 2019-06-10 | 2020-05-01 | 浙江盛世瑞金紧固件有限公司 | High-strength anti-loose anti-theft bolt |
-
2019
- 2019-06-10 CN CN201910494691.8A patent/CN110131284B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007187215A (en) * | 2006-01-12 | 2007-07-26 | Mitsubishi Heavy Ind Ltd | Looseness preventive member of bolt and nut, safety bolt nut device and installation method |
| JP2009293793A (en) * | 2008-06-09 | 2009-12-17 | Ichiro Yamazaki | Pin mechanism for locking |
| CN101936323A (en) * | 2010-09-17 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Vehicle theftproof nut |
| CN104265749A (en) * | 2014-09-30 | 2015-01-07 | 泉州市锦汽机械配件有限公司 | Anti-loose self-locking nut and production method thereof |
| CN204677573U (en) * | 2015-02-01 | 2015-09-30 | 刘兴丹 | Combination chek bolt |
| CN106246687A (en) * | 2015-08-06 | 2016-12-21 | 杨东佐 | One is fastenedly connected assembly and structure, installation and method for dismounting, crankshaft connecting rod system, track structure, bone attachment means and bone method of attachment |
| CN205423462U (en) * | 2015-09-02 | 2016-08-03 | 中核核电运行管理有限公司 | Locking bolt assembly and bolt tightening instrument and tight instrument that expands |
| CN105257666A (en) * | 2015-09-29 | 2016-01-20 | 玉环胜友工具有限公司 | Self-fastening anti-loose mechanical fastening mechanism |
| CN109296619A (en) * | 2018-12-07 | 2019-02-01 | 浙江盛世瑞金紧固件有限公司 | A kind of loosing and theft preventing bolt easy to use |
| CN210440407U (en) * | 2019-06-10 | 2020-05-01 | 浙江盛世瑞金紧固件有限公司 | High-strength anti-loose anti-theft bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131284A (en) | 2019-08-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 314300 no.413, Daifeng Road, Wanghai street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Shengshi Ruijin Fastener Co.,Ltd. Address before: Yuantong Haiyan County Industrial Zone Yuantong street of Jiaxing city of Zhejiang Province in 314300 Applicant before: ZHEJIANG WORLD WIN FASTENER Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |