CN206468667U - A kind of bidirectional helical Anti-looseness bolt device - Google Patents
A kind of bidirectional helical Anti-looseness bolt device Download PDFInfo
- Publication number
- CN206468667U CN206468667U CN201720090207.1U CN201720090207U CN206468667U CN 206468667 U CN206468667 U CN 206468667U CN 201720090207 U CN201720090207 U CN 201720090207U CN 206468667 U CN206468667 U CN 206468667U
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- Prior art keywords
- handed thread
- nut
- flange seat
- bidirectional helical
- thread section
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Abstract
The utility model discloses a kind of bidirectional helical Anti-looseness bolt device, including bidirectional helical bolt, right-handed thread nut, left-hand nut and split pin, bidirectional helical bolt includes head and threaded shank, the threaded shank of bidirectional helical bolt includes coaxial right-handed thread section and left-handed thread section, left-handed thread section is located at the one end of right-handed thread section away from head, and left-handed thread section diameter is less than right-handed thread section diameter, the threaded shank of bidirectional helical bolt passes through the fixing hole on flange seat one and flange seat two, right-handed thread nut is threadedly coupled with the right-handed thread section of threaded shank, left-hand nut is threadedly coupled with the left-handed thread section of threaded shank, on right-handed thread nut and left-hand nut cotter-pin hold is matched provided with nut, split pin is penetrated in cotter-pin hold.The equipment breakdown for loosening and triggering occurs for the conventional bolt device that the utility model can efficiently solve the fixing equipment caused by vibration equipment, is conducive to improving the security of vibratory equipment in use.
Description
Technical field
The utility model is related to a kind of bidirectional helical Anti-looseness bolt device.
Background technology
Thread connection is connecting mode the most frequently used at present.One of advantage of the more other connections of thread connection is that its is removable
Unload, it is easy-maintaining, but this is also its weakness simultaneously, particularly running at high speed, vibrates strong train, automobile, aircraft and smooth
Gram wait in heavy mechanical equipment, because the loosening of thread connection, release and fatigue fracture etc. and caused by overturn, fatal crass it is pernicious
Event is innumerable.With machinery at a high speed, precise treatment develop, commercial scale is to extensive, automation development and aviation
Development of space technology etc., the locking problem of threaded fastener connection also becomes more and more prominent.Generally, fastener resists
The life-span that vibration pine turns is more much lower than the fatigue life of other materials and structure, i.e., fastener before fatigue fracture just
Occur in that pine turns failure.Therefore, the locking problem to thread connection is constantly thought deeply, and is always the class that people endeavour research
Topic.
The content of the invention
Goal of the invention：The utility model mainly aims at this above-mentioned technical problem of solution, and proposition is a kind of two-way
Screw thread lockbolt device.
To achieve these goals, the utility model employs following technical scheme：A kind of bidirectional helical check bolt
Device, for realizing the flange seat one of equipment and being relatively fixed for flange seat two, flange seat one and flange seat two are provided with fixation
Hole, the bolt device includes bidirectional helical bolt, right-handed thread nut, left-hand nut and split pin, bidirectional helical bolt
Including head and threaded shank, the head diameter of bidirectional helical bolt is more than the fixation bore dia of flange seat one and flange seat two, double
Include coaxial right-handed thread section and left-handed thread section to the threaded shank of screw bolt, right-handed thread segment length is more than flange seat one
With the gross thickness of flange seat two, left-handed thread section is located at the one end of right-handed thread section away from head, and left-handed thread section diameter
Less than right-handed thread section diameter, the threaded shank of bidirectional helical bolt is passed through on flange seat one and flange seat two by the side of flange seat one
Fixing hole, the head of bidirectional helical bolt is adjacent to the right-handed thread section screw thread of flange seat one, right-handed thread nut and threaded shank
Connect and be adjacent to flange seat two, left-hand nut is threadedly coupled with the left-handed thread section of threaded shank and is adjacent to right-handed thread spiral shell
Mother, is axially respectively equipped with the relative nut pairing split pin in position on right-handed thread nut and left-hand nut along threaded shank
Hole, split pin is penetrated in the cotter-pin hold on right-handed thread nut and left-hand nut.
Further, nut pairing cotter-pin hold it is along the circumferential direction uniform several.
Beneficial effect：The utility model can efficiently solve the conventional of caused by equipment is constantly vibrated fixing equipment
The equipment breakdown for loosening and triggering occurs for bolt device, thus is conducive to improving the security of vibratory equipment in use.
Brief description of the drawings
Fig. 1 is the mounting structure figure of the utility model bidirectional helical Anti-looseness bolt device；
Fig. 2 is the structural representation of the bidirectional helical bolt of the utility model bidirectional helical Anti-looseness bolt device；
Fig. 3 matches cotter-pin hold cloth for the left-hand nut top nut of the utility model bidirectional helical Anti-looseness bolt device
Put schematic diagram；
In figure：1- bidirectional helical bolts, 1-1- heads, 1-2- right-handed thread sections, 1-3- left-handed thread sections, 2- flange seats
One, 3- flange seat two, 4- right-handed thread nuts, 5- left-hand nuts, 6- split pins, 7- nuts pairing cotter-pin hold, 8- is solid
Determine hole.
Embodiment：
The utility model is done below in conjunction with the accompanying drawings and further explained.
As shown in figure 1, a kind of bidirectional helical Anti-looseness bolt device of the present utility model, the flange seat one for realizing equipment
2 and flange seat 23 be relatively fixed, flange seat 1 and flange seat 23 are provided with fixing hole 8, and the bolt device includes two-way spiral shell
Line bolt 1, right-handed thread nut 4, left-hand nut 5 and split pin 6, bidirectional helical bolt 1 include head 1-1 and screw rod
Portion, the head 1-1 diameters of bidirectional helical bolt 1 are more than the diameter of fixing hole 8 of flange seat 1 and flange seat 23, bidirectional helical spiral shell
The threaded shank of bolt 1 includes coaxial right-handed thread section 1-2 and left-handed thread section 1-3, and right-handed thread section 1-2 length is more than flange seat
One 2 and the gross thickness of flange seat 23, left-handed thread section 1-3 are located at the one end of right-handed thread section 1-2 away from head 1-1, and left
Revolve thread segment 1-3 diameters and be less than right-handed thread section 1-2 diameters, the threaded shank of bidirectional helical bolt 1 is passed through by the side of flange seat 1
Fixing hole 8 on flange seat 1 and flange seat 23, the head 1-1 of bidirectional helical bolt 1 is adjacent to flange seat 1, right-handed thread
Nut 4 is threadedly coupled with the right-handed thread section 1-2 of threaded shank and is adjacent to flange seat 23, left-hand nut 5 and a left side for threaded shank
Rotation thread segment 1-3 is threadedly coupled and is adjacent to right-handed thread nut 4, while left-hand nut 5 is screwed, can give dextrorotation
4 one left-handed torques of screw nut, to prevent bidirectional helical bolt 1 from rotating, in right-handed thread nut 4 and left hand thread spiral shell
The relative nut pairing cotter-pin hold 7 in position is axially respectively equipped with mother 5 along threaded shank, it is preferred that as shown in Fig. 2 the spiral shell
Mother's pairing cotter-pin hold 7 it is along the circumferential direction uniform several, the cotter-pin hold 7 in the present embodiment is six, by six split pins 6
Penetrate correspondingly in the cotter-pin hold 7 on right-handed thread nut 4 and left-hand nut 5.
After the utility model bolt device is installed, method is clamped by the right-handed thread section 1-2 and head 1-1 of threaded shank
Blue seat 1 and flange seat 23, are relatively fixed both, and right-handed thread nut 4 and left-hand nut 5 are by split pin 6 by shape
Into a mutual lock body, most realize that any loosening will not occur for bidirectional helical Anti-looseness bolt device at last.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (2)
1. a kind of bidirectional helical Anti-looseness bolt device, for realize equipment flange seat one (2) and flange seat two (3) it is relatively solid
Fixed, flange seat one (2) and flange seat two (3) are provided with fixing hole (8), it is characterised in that：The bolt device includes bidirectional helical
Bolt (1), right-handed thread nut (4), left-hand nut (5) and split pin (6), bidirectional helical bolt (1) include head (1-
1) and threaded shank, head (1-1) diameter of bidirectional helical bolt (1) is more than the fixing hole of flange seat one (2) and flange seat two (3)
(8) diameter, the threaded shank of bidirectional helical bolt (1) includes coaxial right-handed thread section (1-2) and left-handed thread section (1-3), right
The gross thickness that thread segment (1-2) length is more than flange seat one (2) and flange seat two (3) is revolved, left-handed thread section (1-3) is located at dextrorotation
The one end of thread segment (1-2) away from head (1-1), and left-handed thread section (1-3) diameter is less than right-handed thread section (1-2) directly
Footpath, the threaded shank of bidirectional helical bolt (1) passes through consolidating on flange seat one (2) and flange seat two (3) by flange seat one (2) side
Determine hole (8), the head (1-1) of bidirectional helical bolt (1) is adjacent to flange seat one (2), right-handed thread nut (4) and the right side of threaded shank
Rotation thread segment (1-2) is threadedly coupled and is adjacent to flange seat two (3), left-hand nut (5) and the left-handed thread section (1- of threaded shank
3) it is threadedly coupled and is adjacent to right-handed thread nut (4), along threaded shank on right-handed thread nut (4) and left-hand nut (5)
The relative nut pairing cotter-pin hold (7) in position is axially respectively equipped with, split pin (6) penetrates right-handed thread nut (4) and left-handed
In cotter-pin hold (7) on screw nut (5).
2. a kind of bidirectional helical Anti-looseness bolt device according to claim 1, it is characterised in that：The nut pairing opening
Pin-and-hole (7) it is along the circumferential direction uniform several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090207.1U CN206468667U (en) | 2017-01-24 | 2017-01-24 | A kind of bidirectional helical Anti-looseness bolt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090207.1U CN206468667U (en) | 2017-01-24 | 2017-01-24 | A kind of bidirectional helical Anti-looseness bolt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468667U true CN206468667U (en) | 2017-09-05 |
Family
ID=59704451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090207.1U Active CN206468667U (en) | 2017-01-24 | 2017-01-24 | A kind of bidirectional helical Anti-looseness bolt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468667U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061091A (en) * | 2017-12-08 | 2018-05-22 | 徐祝彬 | A kind of screw retention locking method and never becoming loose bolt |
| CN108119511A (en) * | 2018-02-19 | 2018-06-05 | 何长青 | A kind of double nut reverse thread anti-loosing fixing device |
| CN110459117A (en) * | 2019-08-16 | 2019-11-15 | 西南石油大学 | A kind of liftable compact process control experimental teaching unit |
| WO2020083273A1 (en) * | 2018-10-23 | 2020-04-30 | 卢玉珊 | Anti-loosening, easy-open/close threaded fixing assembly and connecting structure |
| CN111550488A (en) * | 2019-02-10 | 2020-08-18 | 徐立新 | Anti-loosening bolt |
| CN112555350A (en) * | 2020-11-03 | 2021-03-26 | 无锡市满诚链传动制造有限公司 | Durable type chain convenient to maintain |
| CN112943779A (en) * | 2021-02-04 | 2021-06-11 | 大连理工大学 | Fastening method of anti-vibration fastening bolt |
| CN112953368A (en) * | 2021-02-01 | 2021-06-11 | 中国电建集团贵州电力设计研究院有限公司 | Mountain region photovoltaic fixed adjustable support suitable for manual operation |
| CN112983939A (en) * | 2021-02-01 | 2021-06-18 | 中国电建集团贵州电力设计研究院有限公司 | Locking device of mountain region photovoltaic fixed adjustable support suitable for manual operation |
| CN116105639A (en) * | 2023-04-07 | 2023-05-12 | 中国二十二冶集团有限公司 | Multifunctional device for equipment centering test run |
-
2017
- 2017-01-24 CN CN201720090207.1U patent/CN206468667U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061091A (en) * | 2017-12-08 | 2018-05-22 | 徐祝彬 | A kind of screw retention locking method and never becoming loose bolt |
| CN108119511A (en) * | 2018-02-19 | 2018-06-05 | 何长青 | A kind of double nut reverse thread anti-loosing fixing device |
| WO2020083273A1 (en) * | 2018-10-23 | 2020-04-30 | 卢玉珊 | Anti-loosening, easy-open/close threaded fixing assembly and connecting structure |
| CN111550488A (en) * | 2019-02-10 | 2020-08-18 | 徐立新 | Anti-loosening bolt |
| CN110459117A (en) * | 2019-08-16 | 2019-11-15 | 西南石油大学 | A kind of liftable compact process control experimental teaching unit |
| CN112555350A (en) * | 2020-11-03 | 2021-03-26 | 无锡市满诚链传动制造有限公司 | Durable type chain convenient to maintain |
| CN112953368A (en) * | 2021-02-01 | 2021-06-11 | 中国电建集团贵州电力设计研究院有限公司 | Mountain region photovoltaic fixed adjustable support suitable for manual operation |
| CN112983939A (en) * | 2021-02-01 | 2021-06-18 | 中国电建集团贵州电力设计研究院有限公司 | Locking device of mountain region photovoltaic fixed adjustable support suitable for manual operation |
| CN112943779A (en) * | 2021-02-04 | 2021-06-11 | 大连理工大学 | Fastening method of anti-vibration fastening bolt |
| CN116105639A (en) * | 2023-04-07 | 2023-05-12 | 中国二十二冶集团有限公司 | Multifunctional device for equipment centering test run |
| CN116105639B (en) * | 2023-04-07 | 2023-06-23 | 中国二十二冶集团有限公司 | Multifunctional device for equipment centering test run |
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