CN113685420A - Locking nut - Google Patents
Locking nut Download PDFInfo
- Publication number
- CN113685420A CN113685420A CN202110978940.8A CN202110978940A CN113685420A CN 113685420 A CN113685420 A CN 113685420A CN 202110978940 A CN202110978940 A CN 202110978940A CN 113685420 A CN113685420 A CN 113685420A
- Authority
- CN
- China
- Prior art keywords
- arc
- hexagonal
- hexagonal pipe
- pipe
- internal thread
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000004323 axial length Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011148 porous material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 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
- 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
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- 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
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
本发明公开了一种锁紧螺母，包括第一六角管、第二六角管、第一内螺纹、滑槽、通孔、第三六角管、圆环、第一直杆、限位针、第一弧形板、第二弧形板、第二内螺纹、弹簧，所述第二六角管的上端面设有同轴的第一六角管，第二六角管的下端面设有同轴的第三六角管，第一六角管的下端面与第三六角管的上端面平行对称，第二六角管的内径小于第一六角管、第三六角管的内径，第二六角管的内管壁上设有第一内螺纹，第二六角管的上设有轴向设置的若干个滑槽、若干个通孔，滑槽轴向贯穿第二六角管的上下端面，滑槽设在第二六角管内壁上。本发明通过将第一六角管内部固定有一个密封圈，能够增强螺母的密封性。
The invention discloses a locking nut, comprising a first hexagonal tube, a second hexagonal tube, a first internal thread, a chute, a through hole, a third hexagonal tube, a circular ring, a first straight rod, a limit Needle, first arc-shaped plate, second arc-shaped plate, second internal thread, spring, the upper end surface of the second hexagonal tube is provided with a coaxial first hexagonal tube, and the lower end surface of the second hexagonal tube is provided There is a coaxial third hexagonal tube, the lower end surface of the first hexagonal tube is parallel to the upper end surface of the third hexagonal tube, and the inner diameter of the second hexagonal tube is smaller than that of the first hexagonal tube and the third hexagonal tube. The inner diameter of the second hexagonal tube is provided with a first internal thread, and the second hexagonal tube is provided with a number of axially arranged slide grooves and a number of through holes, and the slide groove axially penetrates the second hexagonal tube. On the upper and lower end faces of the hexagonal pipe, the chute is arranged on the inner wall of the second hexagonal pipe. In the present invention, the sealing performance of the nut can be enhanced by fixing a sealing ring inside the first hexagonal tube.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of locknuts.
[ background of the invention ]
The nut is a part for tightly connecting mechanical equipment and is widely applied in industry and life, the nut is one of important connecting pieces of an engine, the engine can continuously vibrate during operation, the conventional nut is easy to shake loose after being installed and is not beneficial to connection among various parts of the engine, and the engine has larger potential safety hazard after the connecting nut between the parts loosens, so that a locking nut is necessary to be provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a locking nut which is firm to mount, difficult to loosen and good in limiting function.
In order to achieve the above purpose, the invention provides a lock nut, which comprises a first hexagonal pipe, a second hexagonal pipe, a first internal thread, a sliding groove, a through hole, a third hexagonal pipe, a circular ring, a first straight rod, a limit needle, a first arc-shaped plate, a second internal thread and a spring, wherein the upper end surface of the second hexagonal pipe is provided with the coaxial first hexagonal pipe, the lower end surface of the second hexagonal pipe is provided with the coaxial third hexagonal pipe, the lower end surface of the first hexagonal pipe and the upper end surface of the third hexagonal pipe are in parallel symmetry, the inner diameter of the second hexagonal pipe is smaller than that of the first hexagonal pipe and the third hexagonal pipe, the inner pipe wall of the second hexagonal pipe is provided with the first internal thread, the second hexagonal pipe is provided with a plurality of sliding grooves and a plurality of through holes which are axially arranged, the sliding grooves axially penetrate through the upper end surface and the lower end surface of the second hexagonal pipe, the sliding grooves are arranged on the inner wall of the second hexagonal pipe, the through hole is arranged on the second hexagonal pipe at the inner side of the first hexagonal pipe, the third hexagonal pipe is internally provided with a coaxial ring, the upper end face of the ring is provided with a plurality of first straight rods axially arranged, the first straight rods penetrate through the through holes, limiting needles are arranged on the upper end faces of the first straight rods, a plurality of first arc plates axially arranged are arranged on the upper end faces of the ring, coaxial second arc plates are arranged on the upper end faces of the first arc plates, the second arc plates are arranged inside the sliding grooves, second internal threads matched with the first internal threads are arranged on the second arc plates, and a plurality of springs are arranged between the upper end faces of the ring and the lower end faces of the second hexagonal pipe.
Preferably, a sealing ring is arranged in the first hexagonal tube, the limiting needle penetrates into the sealing ring, the lower end face of the limiting needle is coaxially connected with the upper end face of the first straight rod, and the outer diameter of the lower end face of the limiting needle is larger than that of the through hole.
Preferably, the first straight rods correspond to the through holes one by one, and the second arc-shaped plates correspond to the sliding grooves one by one.
Preferably, the radial depth of the sliding groove is greater than the radial length from the root to the crest of the first internal thread, the radial depth of the uppermost end of the sliding groove is slightly smaller than the radial depth of the lowermost end of the sliding groove, and the radial depth from the uppermost end of the sliding groove to the lowermost end of the sliding groove increases progressively.
Preferably, the inner diameter of the circular ring is slightly larger than the major diameter of the first internal thread, the cross sections of the first arc-shaped plate and the second arc-shaped plate are both arc-shaped and the arc-shaped plate and the circular ring are coaxial, the inner arc-shaped wall of the first arc-shaped plate is coplanar with the inner wall of the circular ring, the outer arc-shaped wall of the first arc-shaped plate is coplanar with the outer arc-shaped wall of the second arc-shaped plate, and the inner wall of the second arc-shaped plate is provided with a second internal thread matched with the first internal thread.
Preferably, the axial length of the second arc-shaped plate and the axial length of the second hexagonal pipe are the same.
Preferably, the spring is in a compressed state.
Preferably, the axial length from the lower end face of the limiting needle to the lower end face of the circular ring is slightly greater than the sum of the axial lengths of the second hexagonal tube and the third hexagonal tube, and the axial length from the uppermost end of the limiting needle to the lower end face of the circular ring is smaller than the sum of the axial lengths of the first hexagonal tube, the second hexagonal tube and the third hexagonal tube.
Preferably, when the lower end face of the limiting needle contacts with the upper end face of the second hexagonal tube, the second internal thread is matched with the first internal thread.
The invention has the beneficial effects that: the sealing ring is fixed in the first hexagonal tube, so that the sealing performance of the nut can be enhanced, the nut is provided with a plurality of sliding grooves, a plurality of through holes and an internal threaded hole, water vapor and the like are easily gathered due to a large number of pores, the water vapor and the like are easily gathered but not scattered, so that the nut is easily rusted, and the sealing ring can prevent the water vapor from entering the pores of the nut, so that the nut is not easily rusted; when the lower end face of the circular ring is ejected out of the lower end face of the third hexagonal tube by the spring, the second internal threads are matched with the first internal threads, and then the nut is screwed until the lower end face of the circular ring is ejected into the third hexagonal tube, and the second internal threads and the first internal threads exert axially opposite acting forces on the screw rod, so that the nut is firmly installed and is not easy to loosen; the radial depth from the uppermost end of the sliding groove to the lowermost end of the sliding groove is increased progressively, after the lower end face of the circular ring is jacked into the third hexagonal pipe, the plurality of second internal threads can radially clamp the screw rod, so that the nut is firmly installed and is not easy to loosen; the spring is in a compressed state, so that the second internal thread and the first internal thread can be automatically matched before the nut is used each time; the axial length of spacing needle top to terminal surface under the ring is less than the axial length sum of first hexagonal pipe, second hexagonal pipe, third hexagonal pipe, prevents that the nut from installing back spacing needle and stretching out from first hexagonal pipe up end, and spacing needle stretches out from first hexagonal pipe up end and can influence the installation of forms such as two nuts, nut and other fastener collocation.
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 front view of a lock nut of the present invention.
[ detailed description ] embodiments
Referring to fig. 1, a lock nut includes a first hexagonal tube 1, a second hexagonal tube 2, a first internal thread 20, a sliding groove 21, a through hole 22, a third hexagonal tube 3, a circular ring 41, a first straight rod 42, a limit pin 421, a first arc-shaped plate 43, a second arc-shaped plate 44, a second internal thread 441, and a spring 45, wherein the upper end surface of the second hexagonal tube 2 is provided with the first hexagonal tube 1 coaxially, the lower end surface of the second hexagonal tube 2 is provided with the third hexagonal tube 3 coaxially, the lower end surface of the first hexagonal tube 1 is parallel and symmetrical to the upper end surface of the third hexagonal tube 3, the inner diameter of the second hexagonal tube 2 is smaller than the inner diameters of the first and third hexagonal tubes 1, 3, the inner tube wall of the second hexagonal tube 2 is provided with the first internal thread 20, the second hexagonal tube 2 is provided with a plurality of sliding grooves 21 and a plurality of through holes 22 axially arranged, and the sliding groove 21 axially penetrates through the upper and lower end surfaces of the second hexagonal tube 2, the chute 21 is arranged on the inner wall of the second hexagonal tube 2, the through hole 22 is arranged on the second hexagonal tube 2 at the inner side of the first hexagonal tube 1, the third hexagonal tube 3 is internally provided with a coaxial ring 41, the upper end surface of the ring 41 is provided with a plurality of first straight rods 42 which are axially arranged, the first straight rods 42 penetrate through the through hole 22, the upper end surface of each first straight rod 42 is provided with a limit needle 421, the upper end surface of the ring 41 is provided with a plurality of first arc-shaped plates 43 which are axially arranged, the upper end surface of each first arc-shaped plate 43 is provided with a coaxial second arc-shaped plate 44, the second arc-shaped plates 44 are arranged inside the chute 21, the second arc-shaped plates 44 are provided with second internal threads 441 which are matched with the first internal threads 20, a plurality of springs 45 are arranged between the upper end surface of the ring 41 and the lower end surface of the second hexagonal tube 2, the first hexagonal tube 1 is internally provided with a seal ring 11, the limit needle 421 penetrates into the seal ring 11, and the lower end surface of the limit needle 421 is coaxially connected with the upper end surface of the first straight rod 42, the outer diameter of the lower end face of the limit needle 421 is larger than the outer diameter of the through hole 22, the first straight rod 42 corresponds to the through hole 22 one by one, the second arc-shaped plate 44 corresponds to the chute 21 one by one, the radial depth of the chute 21 is larger than the radial length from the tooth bottom to the tooth top of the first internal thread 20, the radial depth of the uppermost end of the chute 21 is slightly smaller than the radial depth of the lowermost end of the chute 21, the radial depth of the uppermost end of the chute 21 is increased progressively from the lowermost end of the chute 21 to the circular ring 41, the inner diameter of the circular ring 41 is slightly larger than the major diameter of the first internal thread 20, the cross sections of the first arc-shaped plate 43 and the second arc-shaped plate 44 are both arc-shaped and coaxial with the circular ring 41, the inner arc-shaped wall of the first arc-shaped plate 43 is coplanar with the inner wall of the circular ring 41, the outer arc-shaped wall of the first arc-shaped plate 43 is coplanar with the outer arc-shaped wall of the second arc-shaped plate 44, the inner wall of the second arc-shaped plate 44 is provided with the second internal thread 441 adapted to the first internal thread 20, the axial length of the second arc-shaped plate 44, The axial lengths of the second hexagonal tubes 2 are the same, the spring 45 is in a compressed state, the axial length from the lower end face of the limit needle 421 to the lower end face of the circular ring 41 is slightly greater than the sum of the axial lengths of the second hexagonal tube 2 and the third hexagonal tube 3, the axial length from the uppermost end of the limit needle 421 to the lower end face of the circular ring 41 is smaller than the sum of the axial lengths of the first hexagonal tube 1, the second hexagonal tube 2 and the third hexagonal tube 3, and the second internal thread 441 is matched with the first internal thread 20 when the lower end face of the limit needle 421 contacts with the upper end face of the second hexagonal tube 2.
The working process of the invention is as follows:
in the working process of the locking nut, before the locking nut is installed, the lower end face of a limiting needle 421 is ensured to be in contact with the upper end face of a second hexagonal pipe 2, a second internal thread 441 is matched with a first internal thread 20, then the nut is screwed until the lower end face of a circular ring 41 is jacked into a third hexagonal pipe 3 by an installation face, a circular hole at the lower end of the circular ring 41 is a screw inlet end, and a corresponding sealing washer is sleeved on the screw below the circular ring 41 when the nut is installed.
According to the invention, the sealing ring 11 is fixed in the first hexagonal tube 1, so that the sealing property of the nut can be enhanced, the nut is provided with the plurality of sliding grooves 21, the plurality of through holes 22 and the internal threaded hole, a large number of pores enable water vapor and the like to be easily accumulated, the water vapor and the like are not scattered and easily cause the nut to rust, and the sealing ring 11 can prevent the water vapor from entering the pores of the nut, so that the nut is not easy to rust; when the spring 45 ejects the lower end face of the ring 41 from the lower end face of the third hexagonal tube 3, the second internal thread 441 is matched with the first internal thread 20, and then the nut is screwed until the lower end face of the ring 41 is ejected into the third hexagonal tube 3, and the second internal thread 441 and the first internal thread 20 apply axially opposite acting force on the screw rod, so that the nut is firmly installed and is not easy to loosen; the radial depth from the uppermost end of the sliding groove 21 to the lowermost end of the sliding groove 21 is increased progressively, so that after the lower end face of the circular ring 41 is jacked into the third hexagonal pipe 3, the plurality of second internal threads 441 can radially clamp the screw rod, the nut is firmly installed and is not easy to loosen, the first internal threads 20 are jacked upwards by the threads of the screw rod, the second internal threads 441 are jacked downwards by the threads of the screw rod, and the nut simultaneously bears two acting forces which are opposite in axial direction, so that the position of the nut is limited, and the first internal threads and the second internal threads 441 are matched to enable the nut to have a good limiting function; the spring 45 is in a compressed state, so that the second internal thread 441 can be automatically matched with the first internal thread 20 before the nut is used each time; the axial length of spacing needle 421 the top to terminal surface is less than the axial length sum of first hexagonal pipe 1, second hexagonal pipe 2, third hexagonal pipe 3 under the ring 41, prevents that the nut from installing back spacing needle 421 and stretching out from first hexagonal pipe 1 up end, and spacing needle 421 stretches out from first hexagonal pipe 1 up end can influence the installation of forms such as two nuts, nut and other fastener collocation.
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 (9)
1. A lock nut is characterized in that: the novel hexagonal pipe comprises a first hexagonal pipe (1), a second hexagonal pipe (2), a first internal thread (20), sliding grooves (21), a through hole (22), a third hexagonal pipe (3), a circular ring (41), a first straight rod (42), a limiting needle (421), a first arc-shaped plate (43), a second arc-shaped plate (44), a second internal thread (441) and a spring (45), wherein the upper end face of the second hexagonal pipe (2) is provided with the first coaxial hexagonal pipe (1), the lower end face of the second hexagonal pipe (2) is provided with the third coaxial hexagonal pipe (3), the lower end face of the first hexagonal pipe (1) is in parallel symmetry with the upper end face of the third hexagonal pipe (3), the internal diameter of the second hexagonal pipe (2) is smaller than the internal diameters of the first hexagonal pipe (1) and the third hexagonal pipe (3), the first internal thread (20) is arranged on the inner pipe wall of the second hexagonal pipe (2), and the second hexagonal pipe (2) is provided with a plurality of sliding grooves (21) which are axially arranged, The plurality of through holes (22), the sliding groove (21) axially penetrates through the upper end surface and the lower end surface of the second hexagonal pipe (2), the sliding groove (21) is arranged on the inner wall of the second hexagonal pipe (2), the through holes (22) are arranged on the second hexagonal pipe (2) on the inner side of the first hexagonal pipe (1), a coaxial ring (41) is arranged inside the third hexagonal pipe (3), a plurality of first straight rods (42) are axially arranged on the upper end surface of the ring (41), the first straight rods (42) penetrate through the through holes (22), limiting pins (421) are arranged on the upper end surface of the first straight rods (42), a plurality of first arc-shaped plates (43) are axially arranged on the upper end surface of the ring (41), a coaxial second arc-shaped plate (44) is arranged on the upper end surface of the first arc-shaped plates (43), the second arc-shaped plate (44) is arranged inside the sliding groove (21), and second internal threads (441) adapted to the first internal threads (20) are arranged on the second arc-shaped plates (44), a plurality of springs (45) are arranged between the upper end surface of the circular ring (41) and the lower end surface of the second hexagonal pipe (2).
2. The lock nut as claimed in claim 1, wherein: a sealing ring (11) is arranged inside the first hexagonal tube (1), a limiting needle (421) penetrates into the sealing ring (11), the lower end face of the limiting needle (421) is coaxially connected with the upper end face of the first straight rod (42), and the outer diameter of the lower end face of the limiting needle (421) is larger than that of the through hole (22).
3. The lock nut as claimed in claim 1, wherein: the first straight rods (42) correspond to the through holes (22) one by one, and the second arc-shaped plates (44) correspond to the sliding grooves (21) one by one.
4. The lock nut as claimed in claim 1, wherein: the radial depth of spout (21) is greater than the radial length of first internal thread (20) root to crest, spout (21) topmost radial depth slightly is less than spout (21) bottommost radial depth, and spout (21) topmost is to spout (21) bottommost radial depth increase progressively.
5. The lock nut as claimed in claim 1, wherein: the inner diameter of the circular ring (41) is slightly larger than the major diameter of the first internal thread (20), the sections of the first arc-shaped plate (43) and the second arc-shaped plate (44) are arc-shaped, the arc-shaped section is coaxial with the circular ring (41), the inner arc-shaped wall of the first arc-shaped plate (43) is coplanar with the inner wall of the circular ring (41), the outer arc-shaped wall of the first arc-shaped plate (43) is coplanar with the outer arc-shaped wall of the second arc-shaped plate (44), and the inner wall of the second arc-shaped plate (44) is provided with a second internal thread (441) matched with the first internal thread (20).
6. The lock nut as claimed in claim 1, wherein: the axial length of the second arc-shaped plate (44) and the axial length of the second hexagonal pipe (2) are the same.
7. The lock nut as claimed in claim 1, wherein: the spring (45) is in a compressed state.
8. The lock nut as claimed in claim 1, wherein: the axial length from the lower end face of the limiting needle (421) to the lower end face of the circular ring (41) is slightly larger than the sum of the axial lengths of the second hexagonal tube (2) and the third hexagonal tube (3), and the axial length from the uppermost end of the limiting needle (421) to the lower end face of the circular ring (41) is smaller than the sum of the axial lengths of the first hexagonal tube (1), the second hexagonal tube (2) and the third hexagonal tube (3).
9. The lock nut as claimed in claim 1, wherein: when the lower end surface of the limiting needle (421) contacts the upper end surface of the second hexagonal tube (2), the second internal thread (441) is matched with the first internal thread (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978940.8A CN113685420B (en) | 2021-08-25 | 2021-08-25 | Locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978940.8A CN113685420B (en) | 2021-08-25 | 2021-08-25 | Locking nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113685420A true CN113685420A (en) | 2021-11-23 |
| CN113685420B CN113685420B (en) | 2022-12-27 |
Family
ID=78582158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978940.8A Active CN113685420B (en) | 2021-08-25 | 2021-08-25 | Locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685420B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325009A (en) * | 2022-08-12 | 2022-11-11 | 嘉兴圣龙五金科技股份有限公司 | Check bolt structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317163A (en) * | 1927-02-09 | 1929-08-15 | Audoin D Halloy | Improvements in and relating to lock nuts |
| JP2014081062A (en) * | 2012-10-12 | 2014-05-08 | Tsugunaga Tada | Lock bolt and nut |
| CN209324845U (en) * | 2018-12-20 | 2019-08-30 | 浙江安盛汽车零部件有限公司 | A kind of split type fastening nut |
| CN209494824U (en) * | 2018-12-27 | 2019-10-15 | 上海群力紧固件制造有限公司 | A kind of sealing nut |
| CN210318128U (en) * | 2019-07-24 | 2020-04-14 | 海盐华胜紧固件有限公司 | High-strength anti-loose and anti-drop hexagon nut |
| CN111637139A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Locking nut with deformable teeth |
| CN213039630U (en) * | 2020-08-21 | 2021-04-23 | 嘉兴海缙五金科技股份有限公司 | A high-strength self-tightening nut for wheels |
| CN213298552U (en) * | 2020-09-29 | 2021-05-28 | 浙江坤亿佳机械制造有限公司 | Improved nut |
-
2021
- 2021-08-25 CN CN202110978940.8A patent/CN113685420B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317163A (en) * | 1927-02-09 | 1929-08-15 | Audoin D Halloy | Improvements in and relating to lock nuts |
| JP2014081062A (en) * | 2012-10-12 | 2014-05-08 | Tsugunaga Tada | Lock bolt and nut |
| CN209324845U (en) * | 2018-12-20 | 2019-08-30 | 浙江安盛汽车零部件有限公司 | A kind of split type fastening nut |
| CN209494824U (en) * | 2018-12-27 | 2019-10-15 | 上海群力紧固件制造有限公司 | A kind of sealing nut |
| CN210318128U (en) * | 2019-07-24 | 2020-04-14 | 海盐华胜紧固件有限公司 | High-strength anti-loose and anti-drop hexagon nut |
| CN111637139A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Locking nut with deformable teeth |
| CN213039630U (en) * | 2020-08-21 | 2021-04-23 | 嘉兴海缙五金科技股份有限公司 | A high-strength self-tightening nut for wheels |
| CN213298552U (en) * | 2020-09-29 | 2021-05-28 | 浙江坤亿佳机械制造有限公司 | Improved nut |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325009A (en) * | 2022-08-12 | 2022-11-11 | 嘉兴圣龙五金科技股份有限公司 | Check bolt structure |
| CN115325009B (en) * | 2022-08-12 | 2024-06-21 | 嘉兴圣龙五金科技股份有限公司 | Lock bolt structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113685420B (en) | 2022-12-27 |
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