CN201284783Y - Anti-loosening self-locking bolt and anti-loosening self-locking nut - Google Patents
Anti-loosening self-locking bolt and anti-loosening self-locking nut Download PDFInfo
- Publication number
- CN201284783Y CN201284783Y CNU2008202207694U CN200820220769U CN201284783Y CN 201284783 Y CN201284783 Y CN 201284783Y CN U2008202207694 U CNU2008202207694 U CN U2008202207694U CN 200820220769 U CN200820220769 U CN 200820220769U CN 201284783 Y CN201284783 Y CN 201284783Y
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- bolt
- locking
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Abstract
The utility model relates to a fastening connector, in particular to a novel anti-loose self-locking bolt and an anti-loose self-locking nut. The anti-loose self-locking bolt and the anti-loose self-locking nut include a bolt body and a nut body. A groove is arranged on the lower end surface of the prism catch platform of the bolt body or on the side of the end surface of the nut body in contact with the tightened attachment. A stretch spring and a steel ball are arranged in the groove. After the steel ball is located, the steel ball may extend a length of approximately one third of the diameter of the steel ball from the lower end surface of the prism catch platform of the bolt body or the lower end surface of the nut body. The utility model has the advantages of ingenious conception, unique and simple structure, safe tightening connection and safe use, which can be used in the connection of industrial pipes and mechanical equipment, overcome shocks and vibrations generated during motion of mechanical equipment, achieve good tightening effect, improve the safety performance of mechanical equipment and ensure the safety of industrial and agricultural production.
Description
One, technical field:
The utility model relates to a kind of fastening connection piece, particularly relates to a kind of novel anti-loosening self-locking screw and a kind of anti-loosening self-locking nut.
Two, background technique:
Its many employing bolts that are fastenedly connected that are connected such as speed changer and chassis etc. of respectively forming between mechanism, parts and the machinery body of present various machinery are connected, and various transmission pipeline adopts bolt, nut connection by the connection of adpting flange more.Traditional bolt, nut Placement are along with the kinetic oscillating action of logistics in mechanical motion or the pipeline, the merit silk of the relative apparatus body of bolt meeting produces loosening, can produce loosening between the nuts and bolt relatively, of long duration even can cause nut or bolt falling, and then produce serious potential safety hazard.In order to prevent the loosening of fastening connection pieces such as bolt, nut, people used spring pad and various anti-loosening device to satisfy the needs that various machinery are fastenedly connected afterwards.But because still there is the defective of anti-impact force difference and anti-vibration scarce capacity in actual use in above-mentioned measure, loosening problem still takes place to connect in machinery easily that adopt bolt, nut to be fastenedly connected in running, so that link loses they self function, causes device damage or can not normally move.
Along with the progress of society's science and technology, industrial and agricultural production mechanization, automaticity rapidly improve, and the Security of machinery is had higher requirement.For the purpose of safety, more require the attachment security, reliable between machinery, the component, otherwise the loss that working people's the security of the lives and property and country, the economy of collective are caused will be huge, also be unfavorable for harmony, the stable development of society.Therefore, be necessary to design a kind of fixed connecting piece reliable, safe in utilization that connects.
Three, model utility content:
The utility model is in conjunction with reality of work, various locking pads are compared, at the prior art deficiency, a kind of anti-loosening self-locking screw and self-locking nut are proposed, can overcome various impacts and vibration that machinery produces in movement process, well reach machinery connect fastening safe, use relieved purpose.
The technological scheme that the utility model adopted:
A kind of anti-loosening self-locking screw, contain bolt body, prismatic Ka Tai lower end surface at described bolt body is provided with a groove, is provided with one and holds out against a spring and a steel ball in described groove, the distance of the approximate diameter of the steel ball 1/3rd in prismatic Ka Tai lower end surface of the outstanding bolt body in back, described steel ball location.
Described anti-loosening self-locking screw, described groove are cylindrical body or cone cavity, wherein hold out against the suitable pressure of maintenance between spring and the steel ball, and the steel ball outside is provided with the annular solid locating piece, and described annular solid locating piece is connected with groove open-mouth end coupling.
Described anti-loosening self-locking screw, described bolt are square toes, hexagon head or hexagon flange bolt.
A kind of anti-loosening self-locking nut, contain nut body, the end face side that contacts with fastening attachment in the precession direction of described nut body is provided with a groove, in described groove, be provided with one and hold out against a spring and a steel ball, the distance of the approximate diameter of the steel ball 1/3rd in outstanding bolt body lower end surface, back, described steel ball location.
Described anti-loosening self-locking nut, described groove are cylindrical body or cone cavity, wherein hold out against the suitable pressure of maintenance between spring and the steel ball, and the steel ball outside is provided with the annular solid locating piece, and described annular solid locating piece is connected with groove open-mouth end coupling.
Described anti-loosening self-locking nut, described nut are square toes, hexagon head or hexagon nut with flange.
Useful good effect of the present utility model:
1, anti-loosening self-locking screw of the utility model and nut are skillfully constructed, and structure uniqueness, simple can play being fastenedly connected effect preferably, helps improving the machinery Safety performance.
2, the anti-loosening self-locking screw of the utility model is applicable to different Environmental Conditions respectively with nut, can be widely used in being connected of industrial pipeline connection and machinery, helps ensureing industrial and agricultural production safety.
Four, description of drawings:
Fig. 1: the anti-loosening self-locking screw structural representation of the utility model
Fig. 2: the anti-loosening self-locking nut structural representation of the utility model
Five, embodiment:
Embodiment one: referring to Fig. 1, present embodiment is anti-loosening self-locking screw.The anti-loosening self-locking screw of the utility model, contain bolt body 1, prism card platform 6 lower end surfaces at described bolt body 1 are provided with a groove 5, in described groove 5, be provided with one and hold out against a spring 4 and a steel ball 2, steel ball 2 outsides are provided with annular solid locating piece 3, and annular solid locating piece 3 is connected with groove 5 open-mouth ends coupling.Groove 5 can be cylindrical body or cone cavity, wherein holds out against the suitable pressure of maintenance between spring 4 and the steel ball 2, makes the distance of the approximate diameter of the steel ball 1/3rd in prism card platform 6 lower end surfaces of the outstanding bolt body 1 in steel ball back, 2 location.
The anti-loosening self-locking screw of the utility model can be square toes, hexagon head or hexagon flange bolt.
Embodiment two: referring to Fig. 2, present embodiment is anti-loosening self-locking nut, and number in the figure is identical with the identical representative meaning of embodiment one, does not repeat.The anti-loosening self-locking nut of the utility model, contain nut body 7, the end face side that contacts with fastening attachment in the precession direction of described nut body 7 is provided with a groove 5, in described groove 5, be provided with one and hold out against a spring 4 and a steel ball 2, the distance of the approximate diameter of the steel ball 1/3rd in outstanding bolt body 7 lower end surfaces, back, described steel ball 2 location.
Groove 5 can be cylindrical body or cone cavity, wherein holds out against the suitable pressure of maintenance between spring and the steel ball, and steel ball 2 outsides are provided with annular solid locating piece 3, and annular solid locating piece 3 is connected with groove 5 open-mouth ends coupling.
The anti-loosening self-locking nut of the utility model can be square toes, hexagon head or hexagon nut with flange.
Anti-loosening self-locking screw of the utility model and nut, has certain pressure between steel ball and the spring, when self-locking screw and nut use fastened after, the eccentricity pressure that taper or circular groove inner chamber medi-spring and steel ball produce is with bolt or nut auto lock, the impact force that machinery produces in running is dissolved by spring and steel ball, along with continuing of impact force, can grind a pit in the fastening attachment steel ball corresponding part of bolt or nut behind the certain hour, can reach the purpose that bolt or nut can't be become flexible, also can on the circumference of corresponding bolt on the fastening attachment or nut self-locking steel ball position, pit be set in advance.
Claims (6)
1, a kind of anti-loosening self-locking screw, contain bolt body, it is characterized in that: the prismatic Ka Tai lower end surface at described bolt body is provided with a groove, in described groove, be provided with one and hold out against a spring and a steel ball, the distance of the approximate diameter of the steel ball 1/3rd in prismatic Ka Tai lower end surface of the outstanding bolt body in back, described steel ball location.
2, anti-loosening self-locking screw according to claim 1, it is characterized in that: described groove is cylindrical body or cone cavity, wherein hold out against the suitable pressure of maintenance between spring and the steel ball, the steel ball outside is provided with the annular solid locating piece, and described annular solid locating piece is connected with groove open-mouth end coupling.
3, anti-loosening self-locking screw according to claim 1 and 2 is characterized in that: described bolt is square toes, hexagon head or hexagon flange bolt.
4, a kind of anti-loosening self-locking nut, contain nut body, it is characterized in that: the end face side that contacts with fastening attachment in the precession direction of described nut body is provided with a groove, in described groove, be provided with one and hold out against a spring and a steel ball, the distance of the approximate diameter of the steel ball 1/3rd in outstanding bolt body lower end surface, back, described steel ball location.
5, anti-loosening self-locking nut according to claim 4, it is characterized in that: described groove is cylindrical body or cone cavity, wherein hold out against the suitable pressure of maintenance between spring and the steel ball, the steel ball outside is provided with the annular solid locating piece, and described annular solid locating piece is connected with groove open-mouth end coupling.
6, according to claim 4 or 5 described anti-loosening self-locking nuts, it is characterized in that: described nut is square toes, hexagon head or hexagon nut with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202207694U CN201284783Y (en) | 2008-11-07 | 2008-11-07 | Anti-loosening self-locking bolt and anti-loosening self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202207694U CN201284783Y (en) | 2008-11-07 | 2008-11-07 | Anti-loosening self-locking bolt and anti-loosening self-locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284783Y true CN201284783Y (en) | 2009-08-05 |
Family
ID=40949768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202207694U Expired - Fee Related CN201284783Y (en) | 2008-11-07 | 2008-11-07 | Anti-loosening self-locking bolt and anti-loosening self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284783Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275081A (en) * | 2010-06-08 | 2011-12-14 | 朱华丰 | T-shaped nut block |
| CN106438650A (en) * | 2016-11-03 | 2017-02-22 | 贺湘钧 | Bolt set with anti-loosening function |
| CN109192599A (en) * | 2018-10-11 | 2019-01-11 | 河南长征电气有限公司 | A kind of high-pressure vacuum breaker being easily installed |
| CN110145523A (en) * | 2019-06-10 | 2019-08-20 | 自然资源部第二海洋研究所 | A kind of oceanographic buoy intumescent Anti-loose bolt sleeve |
| CN110645247A (en) * | 2014-01-30 | 2020-01-03 | 啦唛喽股份公司 | Connecting device and method for connecting two components |
| CN112692814A (en) * | 2021-01-20 | 2021-04-23 | 浙江树人学院（浙江树人大学） | Mechanical automation robot arm |
| CN114151433A (en) * | 2021-12-31 | 2022-03-08 | 宝钢钢构有限公司 | Double-nut self-locking check bolt |
| CN116576184A (en) * | 2023-07-13 | 2023-08-11 | 福建省华盖机械制造有限公司 | High-strength locknut assembly and production device thereof |
-
2008
- 2008-11-07 CN CNU2008202207694U patent/CN201284783Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275081A (en) * | 2010-06-08 | 2011-12-14 | 朱华丰 | T-shaped nut block |
| CN110645247A (en) * | 2014-01-30 | 2020-01-03 | 啦唛喽股份公司 | Connecting device and method for connecting two components |
| CN106438650A (en) * | 2016-11-03 | 2017-02-22 | 贺湘钧 | Bolt set with anti-loosening function |
| CN109192599A (en) * | 2018-10-11 | 2019-01-11 | 河南长征电气有限公司 | A kind of high-pressure vacuum breaker being easily installed |
| CN110145523A (en) * | 2019-06-10 | 2019-08-20 | 自然资源部第二海洋研究所 | A kind of oceanographic buoy intumescent Anti-loose bolt sleeve |
| CN112692814A (en) * | 2021-01-20 | 2021-04-23 | 浙江树人学院（浙江树人大学） | Mechanical automation robot arm |
| CN112692814B (en) * | 2021-01-20 | 2022-07-19 | 浙江树人学院（浙江树人大学） | Mechanical automation robot arm |
| CN114151433A (en) * | 2021-12-31 | 2022-03-08 | 宝钢钢构有限公司 | Double-nut self-locking check bolt |
| CN116576184A (en) * | 2023-07-13 | 2023-08-11 | 福建省华盖机械制造有限公司 | High-strength locknut assembly and production device thereof |
| CN116576184B (en) * | 2023-07-13 | 2023-10-20 | 福建省华盖机械制造有限公司 | High-strength locknut assembly and production device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20111107 |