CN111946717A - High-tightness nut for power machinery connection - Google Patents
High-tightness nut for power machinery connection Download PDFInfo
- Publication number
- CN111946717A CN111946717A CN202010847155.4A CN202010847155A CN111946717A CN 111946717 A CN111946717 A CN 111946717A CN 202010847155 A CN202010847155 A CN 202010847155A CN 111946717 A CN111946717 A CN 111946717A
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- CN
- China
- Prior art keywords
- grooves
- connecting section
- groove
- nut
- loosening
- 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.)
- Granted
Links
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- F16B37/00—Nuts or like thread-engaging members
-
- 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)
- Connection Of Plates (AREA)
Abstract
The invention discloses a high-tightness nut for power machinery connection, which comprises a nut body, a first connecting section, a second connecting section, a threaded through hole, a first anti-loosening piece, a second through groove and a limiting plate.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to a high-tightness nut for power machinery connection.
[ background of the invention ]
The nut is a common fastener, be used for forming threaded connection with the bolt cooperation, with the work piece fixed, the last nut that uses of power machinery is in dynamic load for a long time, the screw thread between bolt and the nut appears becoming flexible easily, lead to bolted connection to become invalid, and then cause the accident, current treatment mode is for adopting nylon self-locking nut, but the nylon nut is in long-time back of being in service, nylon can age gradually, finally become invalid, the nylon circle that becomes invalid can block and die in bolted connection department, the change maintenance degree of difficulty of nut has been increased, therefore, it is necessary to provide a power machinery connects and uses high fastening nut.
[ summary of the invention ]
The nut is simple in structure and reasonable in design, can overcome adverse effects caused by dynamic loads at the connection position of the power machine, guarantees long-time reliability and stability of bolt connection, has a part replacement function, saves replacement and maintenance cost, and is worthy of popularization.
In order to achieve the purpose, the invention provides a high-tightness nut for power machine connection, which comprises a nut body, a first connecting section, a second connecting section, a threaded through hole, a first anti-loosening piece, a second through groove and a limiting plate, wherein the upper end and the lower end of the nut body are respectively provided with the first connecting section and the second connecting section, the threaded through hole is formed in the nut body and longitudinally penetrates through the nut body, the first connecting section and the second connecting section, the outer side walls of the first connecting section and the second connecting section are respectively provided with a first fastening cover and a second fastening cover, the upper end and the lower end of the threaded through hole are provided with open grooves, the first anti-loosening piece is arranged in each open groove, the center of the threaded through hole is provided with a plurality of first through grooves, the outer sides of the first through grooves are communicated with the outer side wall of the nut body, the second anti-loosening piece is arranged in each first through groove, the nut body is provided with a plurality of second through grooves, the second through grooves longitudinally penetrate through the nut body, the first connecting section and the second connecting section and intersect with the first through grooves, limiting plates are arranged inside the second through grooves, and the inner side walls of the limiting plates abut against the outer side walls of the second anti-loosening pieces.
Preferably, the first connecting section and the second connecting section are designed to be vertically symmetrical with respect to a center line of the nut body, the first connecting section is cylindrical, and the first connecting section is in threaded connection with the first fastening cover.
Preferably, the first fastening cover and the second fastening cover are designed in an up-and-down symmetrical mode, a through hole is formed in the center of the first fastening cover, the size of the through hole is larger than that of the threaded through hole, and anti-skid grains are arranged on the top surface of the first fastening cover.
Preferably, the open slot is an inverted round platform-shaped opening, a plurality of limiting convex strips are arranged on the slot wall of the open slot, and the number of the limiting convex strips is at least 6.
Preferably, the first anti-loosening part is a circular truncated cone-shaped plastic part with a hole in the center, the size of the center hole of the first anti-loosening part is smaller than that of the threaded through hole, and a matching groove corresponding to the limiting convex strip is formed in the side wall of the first anti-loosening part.
Preferably, the number of the first through grooves is at least 6, the outer side notches of the first through grooves are flaring grooves, the size of the flaring grooves is larger than that of the first through grooves, and the intersection positions of the first through grooves and the second through grooves are located in the flaring grooves.
Preferably, the second anti-loosening element is a cylindrical element, a circular truncated cone protrusion is arranged on the outer side wall of the second anti-loosening element, the size of the circular truncated cone protrusion corresponds to that of the flaring groove, and a nylon anti-loosening pad is arranged on the inner side wall of the second anti-loosening element.
Preferably, the number of the second through grooves is at least 6, the second through grooves correspond to the first through grooves one to one, and the second through grooves are rectangular grooves.
The invention has the beneficial effects that: the nut locking device is simple in structure and reasonable in design, the first locking piece, the second locking piece, the threaded through hole, the first anti-loosening piece, the second through groove and the limiting plate are arranged, the first anti-loosening piece and the second anti-loosening piece are utilized to enhance the connection stability and reliability between the nut body and the bolt, the bolt is effectively prevented from loosening under a dynamic load environment, in addition, the first locking piece, the second locking piece, the first fastening cover, the second fastening cover and the limiting plate are arranged, the limiting plate and the second locking piece are supported, the second locking piece can be taken out in a mode of detaching the first fastening cover, the second fastening cover and the limiting plate when the nut is maintained and replaced, and the maintenance cost and the maintenance difficulty of the nut are further reduced.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a high-tightness nut for power machine connection according to the present invention;
FIG. 2 is a plan view of a high-fastening nut for power machine attachment according to the present invention, with a first fastening cover and a first anti-loosening element removed.
In the figure: the anti-loosening nut comprises a nut body 1, a first connecting section 2, a first fastening cover 21, a through hole 211, an anti-skidding thread 212, a second connecting section 3, a second fastening cover 31, a threaded through hole 4, an opening groove 41, a limiting convex strip 411, a first through groove 42, an opening expanding groove 421, a first anti-loosening piece 5, a second anti-loosening piece 6, a circular truncated cone protrusion 61, an anti-loosening pad 62, a second through groove 7 and a limiting plate 8.
[ detailed description ] embodiments
Referring to the attached drawings, the high-tightness nut for power machine connection of the invention comprises a nut body 1, a first connecting section 2, a second connecting section 3, a threaded through hole 4, a first anti-loosening member 5, a second anti-loosening member 6, a second through groove 7 and a limiting plate 8, wherein the upper end and the lower end of the nut body 1 are respectively provided with the first connecting section 2 and the second connecting section 3, the nut body 1 is internally provided with the threaded through hole 4, the threaded through hole 4 longitudinally penetrates through the nut body 1, the first connecting section 2 and the second connecting section 3, the outer side walls of the first connecting section 2 and the second connecting section 3 are respectively provided with a first fastening cover 21 and a second fastening cover 31, the upper end and the lower end of the threaded through hole 4 are provided with an open groove 41, the open groove 41 is internally provided with the first anti-loosening member 5, the center of the threaded through hole 4 is provided with a plurality of first through grooves 42, the outer side of the first through groove 42 is communicated with the outer side wall of the nut, first logical groove 42 is inside to be equipped with second anti-loosening member 6, be equipped with a plurality of second through grooves 7 on the nut body 1, second through grooves 7 vertically run through nut body 1, first linkage segment 2 and second linkage segment 3 and intersect with first logical groove 42, second through grooves 7 is inside to be equipped with limiting plate 8, limiting plate 8's inside wall offsets with the lateral wall of second anti-loosening member 6.
The first connecting section 2 and the second connecting section 3 are designed to be vertically symmetrical about the center line of the nut body 1, the first connecting section 2 is cylindrical, and the first connecting section 2 and the first fastening cover 21 are connected through threads.
The first fastening cover 21 and the second fastening cover 31 are designed to be vertically symmetrical, a through hole 211 is formed in the center of the first fastening cover 21, the size of the through hole 211 is larger than that of the threaded through hole 4, and anti-skid threads 212 are formed in the top surface of the first fastening cover 21.
The opening groove 41 is an inverted circular truncated cone-shaped opening, a plurality of limiting convex strips 411 are arranged on the groove wall of the opening groove 41, and the number of the limiting convex strips 411 is at least 6.
Wherein, first anti-loosening member 5 is the round platform type plastic part of center trompil, first anti-loosening member 5's centre bore size is less than screw thread through-hole 4, be equipped with on the lateral wall of first anti-loosening member 5 with the corresponding positioning groove of spacing sand grip 411.
The number of the first through grooves 42 is at least 6, the outside notches of the first through grooves 42 are flared grooves 421, the size of the flared grooves 421 is larger than that of the first through grooves 42, and the intersection of the first through grooves 42 and the second through grooves 7 is located in the flared grooves 421.
The second anti-loosening element 6 is a cylindrical element, the outer side wall of the second anti-loosening element 6 is provided with a circular truncated cone protrusion 61, the size of the circular truncated cone protrusion 61 corresponds to the flaring groove 421, and the inner side wall of the second anti-loosening element 6 is provided with a locking pad 62 made of nylon.
The number of the second through grooves 7 is at least 6, and the second through grooves 7 correspond to the first through grooves 42 one by one, and the second through grooves 7 are rectangular grooves.
The working process of the invention is as follows:
during the working process of the high-tightness nut for power machine connection, the second anti-loosening element 6 can be firstly installed inside the first through groove 42, then the coordination groove of the first anti-loosening element 5 is aligned with the limiting convex strip 411, the first anti-loosening element 5 is installed inside the open groove 41, the second fastening cover 31 is installed on the second connecting section 3, then the limiting plate 8 is installed inside the second through groove 7, finally the first fastening cover 21 is installed on the first connecting section 2, and the nut body 1 is connected with a bolt.
Compared with the prior art, the invention has simple structure and reasonable design, the first anti-loosening element 5 and the second anti-loosening element 6 are utilized to enhance the connection stability and reliability between the nut body 1 and the bolt by arranging the nut body 1, the first connecting section 2 and the second connecting section 3, the threaded through hole 4, the first anti-loosening element 5, the second anti-loosening element 6, the second through groove 7 and the limiting plate 8, the bolt connection is effectively prevented from loosening under a dynamic load environment, in addition, the arrangement of the first connecting section 2, the second connecting section 3, the first fastening cover 21, the second fastening cover 31 and the limiting plate 8 not only supports the limiting plate 8 and the second anti-loosening element 6, but also can take out the second anti-loosening element 6 by dismounting the first fastening cover 21, the second fastening cover 31 and the limiting plate 8 when the nut is maintained and replaced, and independently replace the damaged second anti-loosening element 6, and further, the maintenance cost and the maintenance difficulty of the nut are reduced.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a power machinery connects uses high fastening nut which characterized in that: the nut comprises a nut body (1), a first connecting section (2), a second connecting section (3), a threaded through hole (4), a first anti-loosening part (5), a second anti-loosening part (6), a second through groove (7) and a limiting plate (8), wherein the first connecting section (2) and the second connecting section (3) are respectively arranged at the upper end and the lower end of the nut body (1), the threaded through hole (4) is arranged inside the nut body (1), the threaded through hole (4) longitudinally penetrates through the nut body (1), the first connecting section (2) and the second connecting section (3), a first fastening cover (21) and a second fastening cover (31) are respectively arranged on the outer side walls of the first connecting section (2) and the second connecting section (3), open grooves (41) are arranged at the upper end and the lower end of the threaded through hole (4), the first anti-loosening part (5) is arranged inside the open grooves (41), and a plurality of first through grooves (42) are arranged at the center of the threaded through hole (4), the outside that first logical groove (42) is linked together with the lateral wall of nut body (1), first logical groove (42) is inside to be equipped with second anti-loosening member (6), it leads to groove (7) to be equipped with a plurality of seconds on nut body (1), the second leads to groove (7) vertically to run through nut body (1), first linkage segment (2) and second linkage segment (3) and intersects with first logical groove (42), the second leads to groove (7) inside to be equipped with limiting plate (8), the inside wall of limiting plate (8) offsets with the lateral wall that second anti-loosening member (6).
2. The high-fastening nut for connecting power machines according to claim 1, wherein: the nut is characterized in that the first connecting section (2) and the second connecting section (3) are designed in an up-down symmetrical mode about the center line of the nut body (1), the first connecting section (2) is cylindrical, and the first connecting section (2) is connected with the first fastening cover (21) through threads.
3. The high-fastening nut for connecting power machines according to claim 1, wherein: first fastening lid (21) and second fastening lid (31) are the longitudinal symmetry design, the center department of first fastening lid (21) is equipped with a through-hole (211), the size of through-hole (211) is greater than screw thread through-hole (4), the top surface of first fastening lid (21) is equipped with anti-skidding line (212).
4. The high-fastening nut for connecting power machines according to claim 1, wherein: the novel groove is characterized in that the open groove (41) is an inverted round platform-shaped opening, a plurality of limiting convex strips (411) are arranged on the groove wall of the open groove (41), and the number of the limiting convex strips (411) is at least 6.
5. The high-fastening nut for power machine connection according to claim 4, wherein: first anti-loosening member (5) are the round platform type plastic part of center trompil, the centre bore size of first anti-loosening member (5) is less than screw thread through-hole (4), be equipped with on the lateral wall of first anti-loosening member (5) with spacing sand grip (411) corresponding coordination groove.
6. The high-fastening nut for connecting power machines according to claim 1, wherein: the number of the first through grooves (42) is at least 6, the outside notches of the first through grooves (42) are flaring grooves (421), the size of the flaring grooves (421) is larger than that of the first through grooves (42), and the intersection positions of the first through grooves (42) and the second through grooves (7) are located in the flaring grooves (421).
7. The high-fastening nut for power machine connection according to claim 6, wherein: the second anti-loosening element (6) is a cylindrical element, the outer side wall of the second anti-loosening element (6) is provided with a circular truncated cone protrusion (61), the size of the circular truncated cone protrusion (61) corresponds to the flaring groove (421), and the inner side wall of the second anti-loosening element (6) is provided with a locking pad (62) made of nylon.
8. The high-fastening nut for connecting power machines according to claim 1, wherein: the number of the second through grooves (7) is at least 6, the second through grooves correspond to the first through grooves (42) one by one, and the second through grooves (7) are rectangular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847155.4A CN111946717B (en) | 2020-08-21 | 2020-08-21 | High-tightness nut for power machinery connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847155.4A CN111946717B (en) | 2020-08-21 | 2020-08-21 | High-tightness nut for power machinery connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111946717A true CN111946717A (en) | 2020-11-17 |
| CN111946717B CN111946717B (en) | 2022-04-01 |
Family
ID=73359223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010847155.4A Active CN111946717B (en) | 2020-08-21 | 2020-08-21 | High-tightness nut for power machinery connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111946717B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818887Y (en) * | 2005-05-31 | 2006-09-20 | 魏民 | Self-locking nut |
| US20100033965A1 (en) * | 2006-05-01 | 2010-02-11 | Casey Marlon R | Nut having a visual indicator |
| US20170343034A1 (en) * | 2014-11-06 | 2017-11-30 | Zollmann Gmbh | Securing element and securing system |
| CN207634484U (en) * | 2017-11-23 | 2018-07-20 | 江苏瑞春标准件有限公司 | A kind of automatic anti-loosing screw nut of buckle limit |
| CN109026962A (en) * | 2018-10-11 | 2018-12-18 | 浙江赛日机电科技有限公司 | Combine stop nut |
| CN109899368A (en) * | 2019-04-17 | 2019-06-18 | 海盐宏茂五金制品有限公司 | A kind of hezagon castle nut with self-locking function |
| CN110573755A (en) * | 2017-03-02 | 2019-12-13 | 埃杜拉洛克有限责任公司 | Locking fastener with deflectable locking member |
| CN110886762A (en) * | 2019-12-23 | 2020-03-17 | 海盐大宁紧固件有限公司 | Combined type locknut assembly |
| CN210318109U (en) * | 2019-07-24 | 2020-04-14 | 海盐华胜紧固件有限公司 | Hexagonal flange face metal lock nut |
| US20200240458A1 (en) * | 2016-10-17 | 2020-07-30 | Philip - Bogrash | Fastener systems for wood with overtightening and loosening prevention |
-
2020
- 2020-08-21 CN CN202010847155.4A patent/CN111946717B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818887Y (en) * | 2005-05-31 | 2006-09-20 | 魏民 | Self-locking nut |
| US20100033965A1 (en) * | 2006-05-01 | 2010-02-11 | Casey Marlon R | Nut having a visual indicator |
| US20170343034A1 (en) * | 2014-11-06 | 2017-11-30 | Zollmann Gmbh | Securing element and securing system |
| US20200240458A1 (en) * | 2016-10-17 | 2020-07-30 | Philip - Bogrash | Fastener systems for wood with overtightening and loosening prevention |
| CN110573755A (en) * | 2017-03-02 | 2019-12-13 | 埃杜拉洛克有限责任公司 | Locking fastener with deflectable locking member |
| CN207634484U (en) * | 2017-11-23 | 2018-07-20 | 江苏瑞春标准件有限公司 | A kind of automatic anti-loosing screw nut of buckle limit |
| CN109026962A (en) * | 2018-10-11 | 2018-12-18 | 浙江赛日机电科技有限公司 | Combine stop nut |
| CN109899368A (en) * | 2019-04-17 | 2019-06-18 | 海盐宏茂五金制品有限公司 | A kind of hezagon castle nut with self-locking function |
| CN210318109U (en) * | 2019-07-24 | 2020-04-14 | 海盐华胜紧固件有限公司 | Hexagonal flange face metal lock nut |
| CN110886762A (en) * | 2019-12-23 | 2020-03-17 | 海盐大宁紧固件有限公司 | Combined type locknut assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111946717B (en) | 2022-04-01 |
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