CN110578744A - Ratchet type anti-loosening bolt connecting structure - Google Patents
Ratchet type anti-loosening bolt connecting structure Download PDFInfo
- Publication number
- CN110578744A CN110578744A CN201910814423.XA CN201910814423A CN110578744A CN 110578744 A CN110578744 A CN 110578744A CN 201910814423 A CN201910814423 A CN 201910814423A CN 110578744 A CN110578744 A CN 110578744A
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- China
- Prior art keywords
- nut
- bolt
- ratchet
- gasket
- washer
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- Pending
Links
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a ratchet type anti-loosening bolt connecting structure which comprises a washer, a nut and a bolt; wherein: the bolt penetrates through the washer and the nut; the washer is arranged between the nut and the bolt and used for fixing the mutual positions of the nut and the bolt. The invention provides a ratchet type anti-loosening bolt connecting structure, wherein uniformly distributed ratchets are arranged on the contact surface of a washer and a nut, when the nut clockwise performs feeding motion, the inclination angle of the ratchets on the contact surface of the washer and the nut is small, two components can relatively move to realize tight connection, when the nut anticlockwise performs withdrawing motion, the inclination angle of the ratchets on the contact surface of the two components is large, and the two components cannot relatively move, so that the purposes of self locking and loosening prevention are achieved, and the dynamic balance effect is good; the ratchet type anti-loosening bolt connecting structure is improved on the basis of the existing bolt and nut, is convenient to process, mature in technology and low in process cost; the device is detachable and can be repeatedly used.
Description
Technical Field
The invention relates to the technical field of bolt connection, in particular to a ratchet type anti-loosening bolt connection structure.
Background
The bolt connection is a connection technology which is most widely applied in actual engineering production, can provide reliable clamping force for equipment, and is convenient to disassemble and maintain. The operational environment of bolted connection structure is generally relatively poor, and the influence of external factors such as vibration, impact, temperature difference change often receives in the time, leads to the decline of bolt clamp force, further makes to produce relative motion, threaded connection inefficacy between the screw thread, has influenced mechanical equipment's normal use, especially in important bolted connection position, and the bolt is not hard up has brought very big potential safety hazard for production safety. In order to solve the problem of bolt loosening, technicians conduct a series of loosening prevention technical researches such as friction loosening prevention, mechanical loosening prevention, destructive loosening prevention and the like, but at present, the measures still have the defects of complex processing technology, high cost, insufficient structure, insufficient loosening prevention effect, poor dynamic balance effect and the like.
Disclosure of Invention
The invention provides a ratchet type anti-loosening bolt connecting structure, which aims to solve the problems of complex processing technology, high cost, insufficient anti-loosening effect and poor dynamic balance effect of the existing bolt anti-loosening.
In order to realize the purpose, the technical scheme is as follows:
A ratchet type anti-loosening bolt connecting structure comprises a washer, a nut and a bolt; wherein: the washer is arranged between the nut and the bolt and used for fixing the position relation of the nut and the bolt.
Among the above-mentioned scheme, a ratchet formula anti-loosening bolted connection structure, including packing ring, nut and bolt, simple structure, it is with low costs, the packing ring can the mutual position of fixed nut and bolt, prevents that bolted connection structure is not hard up.
Preferably, the gasket is provided with a gasket ratchet; the gasket ratchet is arranged on one side of the gasket and used for being matched with the nut to be clamped.
The washer ratchet is used for cooperating the nut among the above-mentioned scheme, prevents that the nut is not hard up.
Preferably, the gasket ratchets are ratchet-shaped grooves which are uniformly distributed from the center of a circle to the outside and have triangular sections.
In the scheme, the gasket ratchets are the ratchet-shaped grooves which are uniformly distributed from the inside to the outside of the circle center of the gasket and have triangular sections, and the continuity of the connection pretightening force is improved by the uniformly distributed gasket ratchets.
Preferably, the gasket is provided with a limiting block; the limiting block is arranged on the inner ring of the washer and used for being matched with the bolt to be clamped.
In the scheme, the limiting block is arranged on the inner ring of the gasket and is used for being matched with the bolt to prevent the gasket from moving left and right.
Preferably, one side of the nut is provided with a nut ratchet, and the nut ratchet is matched with the gasket ratchet for clamping.
In the above scheme, when the nut is in clockwise feeding motion, the inclination angle of the contact surface of the gasket ratchet and the nut ratchet is small, the two components can move relatively to realize tight connection, when the nut is in anticlockwise withdrawing motion, the inclination angle of the contact surface is increased, and the two components cannot move relatively to achieve the purpose of self-locking and anti-loosening.
Preferably, the bolt is provided with the slot in vertical direction, the slot with the stopper is mutually supported and is carried out the joint.
In the above scheme, the limiting block is arranged on the inner ring of the gasket, the bolt is provided with the groove in the vertical direction, and the limiting block and the groove are matched with each other to prevent the gasket from moving left and right.
In the scheme, the bolt is provided with the groove and the limiting block capable of accommodating the gasket, and the gasket is fixed in such a way that the gasket cannot rotate left and right; the contact surfaces of the washer and the nut are provided with ratchet structures which have the same size and can be mutually matched, the ratchet structures are similar to crown wheels of the bevel gear on the axial side, and the normal section of the ratchet structures is similar to gear teeth of the ratchet; the gasket ratchets are ratchet-shaped grooves which are uniformly distributed from the inside to the outside of the circle center and have triangular sections, and the continuity of the connection pretightening force is improved due to the uniformly distributed gasket ratchets; in the aspect of mutual motion control, when the nut performs clockwise feeding motion, the inclination angle of the contact surface of the washer and the nut is small, the two components can perform relative motion to realize tight connection, and when the nut performs counterclockwise withdrawing motion, the inclination angle of the contact surface of the two components is large, the two components cannot perform relative motion, so that the purposes of self locking and looseness prevention are achieved.
compared with the prior art, the invention has the beneficial effects that:
The invention provides a ratchet type anti-loosening bolt connecting structure, when a nut performs clockwise feeding motion, the inclination angle of the contact surface of a gasket and the nut is small, two components can perform relative motion to realize tight connection, when performing anticlockwise withdrawing motion, the inclination angle of the contact surface of the two components is large, and the two components cannot perform relative motion, so that the purposes of self locking and loosening prevention are achieved, and the dynamic balance effect is good; the ratchet type anti-loosening bolt connecting structure is improved on the basis of the existing bolt and nut, is convenient to process, mature in technology and low in process cost; the device is detachable and can be repeatedly used.
Drawings
FIG. 1 is an overall structural view of the invention;
FIG. 2 is a view showing the construction of a gasket according to the present invention;
FIG. 3 is a view showing a structure of a bolt according to the present invention;
Description of the reference numerals
1. A gasket; 2. a nut; 3. a bolt; 11. a washer ratchet; 12. a limiting block; 21. a nut ratchet; 31. and (4) a groove.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the invention is further illustrated below with reference to the figures and examples.
Example 1
As shown in fig. 1, 2 and 3, a ratchet type anti-loosening bolt coupling structure includes a washer 1, a nut 2 and a bolt 3; wherein: the washer 1 is disposed between the nut 2 and the bolt 3, and is used for fixing the positional relationship between the nut 2 and the bolt 3.
Among the above-mentioned scheme, a ratchet formula anti-loosening bolted connection structure, including packing ring 1, nut 2 and bolt 3, simple structure, it is with low costs, packing ring 1 can the mutual position of fixed nut 2 and bolt 3, prevents that bolted connection structure is not hard up.
Preferably, the gasket 1 is provided with a gasket ratchet 11; the gasket ratchet 11 is arranged on one side of the gasket and is used for being matched with the nut 2 to be clamped.
In the scheme, the washer ratchet 1 is used for being matched with the nut 2 to prevent the nut 2 from loosening.
Preferably, the washer ratchets 11 are ratchet-shaped grooves which are uniformly distributed from the center of a circle to the outside and have triangular sections.
In the scheme, the gasket ratchets 11 are ratchet-shaped grooves which are uniformly distributed from the circle center of the gasket 1 from inside to outside and have triangular sections, and the continuity of the connection pretightening force is improved by the uniformly distributed gasket ratchets 11.
Preferably, the gasket 1 is provided with a limit block 12; the limiting block 12 is arranged on the inner ring of the gasket 1 and used for being matched with the bolt 3 to be clamped.
in the scheme, the limiting block 12 is arranged on the inner ring of the gasket 1 and is used for being matched with the bolt 3 to prevent the gasket 1 from moving left and right.
Preferably, a nut ratchet 21 is arranged on one side of the nut 2, and the nut ratchet 21 and the washer ratchet 11 are matched with each other to be clamped.
In the above scheme, when the nut 2 performs a feeding motion clockwise, the inclination angle of the contact surface between the washer ratchet 11 and the nut ratchet 21 is small, the two components can perform a relative motion to realize tight connection, and when the nut 2 performs a withdrawing motion counterclockwise, the inclination angle of the contact surface is increased, and the two components cannot perform a relative motion, so that the purpose of self-locking and anti-loosening is achieved.
Preferably, the bolt 3 is provided with a groove 31 in the vertical direction, and the groove 31 and the limiting block 12 are matched with each other to be clamped.
In the above scheme, the limiting block 12 is arranged on the inner ring of the gasket 1, the bolt 3 is provided with the groove 31 in the vertical direction, and the limiting block 12 is matched with the groove 31 to prevent the gasket 1 from moving left and right.
Example 2
as shown in fig. 2 and 3, the bolt 3 is provided with a groove 31 capable of accommodating a limit block of the gasket 1, and the gasket 1 is fixed in such a way that the gasket 1 cannot rotate left and right; the contact surfaces of the washer 1 and the nut 2 are provided with ratchet structures which have the same size and can be mutually matched, the ratchet structures are similar to crown wheels of conical gears on the axial side, and the normal section of the ratchet structures is similar to gear teeth of a ratchet wheel; the gasket ratchets 11 are ratchet-shaped grooves which are uniformly distributed from the circle center of the gasket 1 from inside to outside and have triangular sections, and the continuity of connection pretightening force is improved by the uniformly distributed gasket ratchets 11; in the aspect of mutual motion control, when the nut 2 performs clockwise feeding motion, the inclination angle of the contact surface of the washer 1 and the nut 2 is small, the two components can perform relative motion to realize tight connection, and when performing anticlockwise withdrawing motion, the inclination angle of the contact surface of the two components is large, the two components cannot perform relative motion, so that the purposes of self-locking and anti-loosening are achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a ratchet formula anti-loosening bolt connection structure which characterized in that: comprises a washer (1), a nut (2) and a bolt (3); wherein the washer (1) is arranged between the nut (2) and the bolt (3) and is used for fixing the position relation of the nut (2) and the bolt (3).
2. the ratchet type anti-loosening bolt connecting structure according to claim 1, wherein: the gasket (1) is provided with a gasket ratchet (11); the gasket ratchet (11) is arranged on one side of the gasket (1) and is used for being matched with the nut (2) to be clamped.
3. The ratchet type anti-loosening bolt connecting structure according to claim 2, wherein: the gasket ratchets (11) are uniformly distributed and are ratchet-shaped grooves with triangular sections.
4. The ratchet type anti-loosening bolt connecting structure according to claim 2, wherein: a limiting block (12) is arranged on the gasket (1); the limiting block (12) is arranged on the inner ring of the gasket (1) and used for being matched with the bolt (3) to be clamped.
5. the ratchet type anti-loosening bolt connecting structure according to claim 3, wherein: and a nut ratchet (21) is arranged on one side of the nut (2), and the nut ratchet (21) and the gasket ratchet (11) are matched with each other to be clamped.
6. The ratchet type anti-loosening bolt connecting structure according to claim 4, wherein: bolt (3) are provided with slot (31) in vertical direction, slot (31) with stopper (12) mutually support and carry out the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814423.XA CN110578744A (en) | 2019-08-30 | 2019-08-30 | Ratchet type anti-loosening bolt connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814423.XA CN110578744A (en) | 2019-08-30 | 2019-08-30 | Ratchet type anti-loosening bolt connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110578744A true CN110578744A (en) | 2019-12-17 |
Family
ID=68812262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910814423.XA Pending CN110578744A (en) | 2019-08-30 | 2019-08-30 | Ratchet type anti-loosening bolt connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110578744A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901635A (en) * | 2021-02-05 | 2021-06-04 | 海盐天士精密五金科技有限公司 | Locking assembly with anti-loosening function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661583U (en) * | 2010-03-31 | 2010-12-01 | 青岛科技大学 | Thread connection anti-looseness device |
| CN204199120U (en) * | 2014-10-31 | 2015-03-11 | 申书达 | Anti-loose anti-theft sleeper bolt assembly |
| US20160160904A1 (en) * | 2014-12-09 | 2016-06-09 | Samson Co., Ltd. | Anti-loosening bolt assembly |
| CN211009527U (en) * | 2019-08-30 | 2020-07-14 | 广东电网有限责任公司 | Ratchet type anti-loosening bolt connecting structure |
-
2019
- 2019-08-30 CN CN201910814423.XA patent/CN110578744A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661583U (en) * | 2010-03-31 | 2010-12-01 | 青岛科技大学 | Thread connection anti-looseness device |
| CN204199120U (en) * | 2014-10-31 | 2015-03-11 | 申书达 | Anti-loose anti-theft sleeper bolt assembly |
| US20160160904A1 (en) * | 2014-12-09 | 2016-06-09 | Samson Co., Ltd. | Anti-loosening bolt assembly |
| CN211009527U (en) * | 2019-08-30 | 2020-07-14 | 广东电网有限责任公司 | Ratchet type anti-loosening bolt connecting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901635A (en) * | 2021-02-05 | 2021-06-04 | 海盐天士精密五金科技有限公司 | Locking assembly with anti-loosening function |
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